/* ==========================================================================
   SimpleCalc Design System v3.0 — Modern Comfort
   "信頼と温かみの両立" — Professional yet warm / Coastal Elegance
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Google Fonts Import
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=DM+Sans:wght@400;500;600&display=swap');

/* --------------------------------------------------------------------------
   2. CSS Design Tokens — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */
:root {
  /* ── Primary Palette ── */
  --color-primary:        #46658C;
  --color-primary-light:  #4A6D8C;

  /* ── Neutral Palette ── */
  --color-neutral-bg:     #B0A0A8;
  --color-neutral-card:   #F2E9E4;

  /* ── Accent (Ocean Sorbet) ── */
  --color-accent:         #D58B5B;
  --color-accent-hover:   #C47A4A;

  /* ── Text ── */
  --color-text-primary:   #2D2D2D;
  --color-text-secondary: #6B6B6B;
  --color-text-inverse:   #FFFFFF;

  /* ── Semantic ── */
  --color-success:        #6A9E72;
  --color-warning:        #E2A84B;
  --color-error:          #C9534F;

  /* ── Background ── */
  --color-bg-page:        #FAF8F5;
  --color-bg-card:        #F2E9E4;
  --color-bg-input:       #FFFFFF;

  /* ── Typography ── */
  --font-sans-jp:         'Noto Sans JP', sans-serif;
  --font-sans-en:         'DM Sans', sans-serif;
  
  --text-xs:              0.75rem;   /* 12px */
  --text-sm:              0.875rem;  /* 14px */
  --text-base:            1rem;      /* 16px */
  --text-lg:              1.125rem;  /* 18px */
  --text-xl:              1.25rem;   /* 20px */
  --text-2xl:             1.5rem;    /* 24px */
  --text-3xl:             1.875rem;  /* 30px */
  --text-4xl:             2.25rem;   /* 36px */

  --font-normal:          400;
  --font-medium:          500;
  --font-bold:            700;

  --leading-tight:        1.3;
  --leading-normal:       1.6;
  --leading-loose:        1.8;

  /* ── Spacing (4px grid) ── */
  --space-1:              0.25rem;  /* 4px */
  --space-2:              0.5rem;   /* 8px */
  --space-3:              0.75rem;  /* 12px */
  --space-4:              1rem;     /* 16px */
  --space-5:              1.25rem;  /* 20px */
  --space-6:              1.5rem;   /* 24px */
  --space-8:              2rem;     /* 32px */
  --space-10:             2.5rem;   /* 40px */
  --space-12:             3rem;     /* 48px */
  --space-16:             4rem;     /* 64px */

  /* ── Border Radius ── */
  --radius-sm:            6px;
  --radius-md:            12px;
  --radius-lg:            20px;
  --radius-xl:            1.5rem;    /* 24px */
  --radius-full:          9999px;

  /* ── Backward Compatibility (Old Inline Styles) ── */
  --sc-primary:           var(--color-primary);
  --sc-primary-light:     rgba(70,101,140,0.1);
  --sc-gray-900:          var(--color-text-primary);
  --sc-gray-600:          var(--color-text-secondary);
  --sc-gray-500:          var(--color-text-secondary);
  --sc-gray-400:          var(--color-text-muted);
  --sc-gray-200:          rgba(70, 101, 140, 0.2);
  --sc-gray-100:          rgba(70, 101, 140, 0.1);

  /* ── Shadows ── */
  --shadow-sm:            0 1px 3px rgba(70, 101, 140, 0.08);
  --shadow-md:            0 4px 16px rgba(70, 101, 140, 0.10);
  --shadow-lg:            0 8px 32px rgba(70, 101, 140, 0.14);
  --shadow-card:          0 2px 12px rgba(70, 101, 140, 0.08), 0 0 0 1px rgba(70, 101, 140, 0.06);

  /* ── Transitions ── */
  --transition-fast:      120ms ease;
  --transition-base:      200ms ease;
  --transition-slow:      350ms ease;

  /* ── Layout ── */
  --mc-max-width:         1200px;
  --mc-gutter:            var(--space-8);
  --mc-gutter-mobile:     var(--space-5);

  /* ── Legacy Aliases (to prevent immediate breakage) ── */
  --mc-primary:           var(--color-primary);
  --mc-accent:            var(--color-accent);
  --mc-text:              var(--color-text-primary);
  --mc-text-sub:          var(--color-text-secondary);
  --mc-neutral-bg:        var(--color-bg-page);
  --mc-neutral-card:      var(--color-bg-card);
  --mc-border-light:      rgba(70,101,140,0.08);
  --mc-radius-sm:         var(--radius-sm);
  --mc-radius-md:         var(--radius-md);
  --mc-radius-lg:         var(--radius-lg);
  --mc-shadow-xs:         var(--shadow-sm);
  --mc-shadow-md:         var(--shadow-md);
  --mc-duration:          200ms;
  --mc-ease:              ease;
}

/* ── Dark Mode (Manual & System) ── */
[data-theme="dark"] {
  --color-primary:        #6A8FB0;
  --color-primary-light:  #7AA0C0;
  --color-accent:         #E09A6A;
  --color-accent-hover:   #D08A5A;
  --color-text-primary:   #EDEAE6;
  --color-text-secondary: #A09890;
  --color-text-inverse:   #1A1A1A;
  --color-bg-page:        #1E1C1A;
  --color-bg-card:        #2A2724;
  --color-bg-input:       #312E2B;
  
  --mc-border-light:      rgba(255,255,255,0.08);
}

@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --color-primary:        #6A8FB0;
    --color-primary-light:  #7AA0C0;
    --color-accent:         #E09A6A;
    --color-accent-hover:   #D08A5A;
    --color-text-primary:   #EDEAE6;
    --color-text-secondary: #A09890;
    --color-text-inverse:   #1A1A1A;
    --color-bg-page:        #1E1C1A;
    --color-bg-card:        #2A2724;
    --color-bg-input:       #312E2B;
    
    --mc-border-light:      rgba(255,255,255,0.08);
  }
}

/* --------------------------------------------------------------------------
   2.5 Layout Resets
   -------------------------------------------------------------------------- */
.main-content {
  width: 100% !important;
  max-width: none !important;
  padding: 0 !important;
  margin: 0 !important;
}
.main-content > h1 {
  padding-left: var(--mc-gutter) !important;
  padding-right: var(--mc-gutter) !important;
}
@media (max-width: 767px) {
  .main-content > h1 {
    padding-left: var(--mc-gutter-mobile) !important;
    padding-right: var(--mc-gutter-mobile) !important;
  }
}

/* --------------------------------------------------------------------------
   3. Base Reset & Body
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  font-family: var(--font-sans-jp);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  max-width: 100%;
}

/* --------------------------------------------------------------------------
   4. Typography
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans-jp);
  color: var(--color-text-primary);
  line-height: var(--leading-tight);
  font-weight: var(--font-bold);
}

p {
  color: var(--mc-text-sub);
  margin-bottom: 0.875rem;
}

p:last-child { margin-bottom: 0; }

a {
  color: var(--mc-primary);
  text-decoration: none;
  transition: color var(--mc-duration) var(--mc-ease);
}

a:hover {
  color: var(--mc-primary-dark);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   5. Skip Link (Accessibility)
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -60px;
  left: 16px;
  padding: 10px 18px;
  background: var(--mc-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--mc-radius-sm);
  z-index: 9999;
  text-decoration: none;
  transition: top 200ms var(--mc-ease);
}
.skip-link:focus { top: 8px; }

/* --------------------------------------------------------------------------
   6. Header / Navbar — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */
.navbar {
  height: 60px !important;
  padding: 0 var(--space-6) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  background: rgba(250, 248, 245, 0.88) !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  border-bottom: 1px solid rgba(70, 101, 140, 0.08) !important;
  position: sticky !important;
  top: 0 !important;
  z-index: 1020 !important;
}

[data-theme="dark"] .navbar,
@media (prefers-color-scheme: dark) { html:not([data-theme="light"]) .navbar } {
  background: rgba(30, 28, 26, 0.88) !important;
  border-bottom: 1px solid var(--mc-border-light) !important;
}

.navbar-container {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  width: 100% !important;
  max-width: var(--mc-max-width) !important;
  margin: 0 auto !important;
  padding: 0 var(--space-6) !important;
}

@media (max-width: 767px) {
  .navbar-container { padding: 0 var(--space-4) !important; }
}

/* Logo */
.navbar-logo {
  font-size: var(--text-xl) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  font-family: var(--font-sans-en) !important;
  letter-spacing: -0.03em !important;
  text-decoration: none !important;
}

/* Header Nav */
.site-header .header-nav {
  display: flex !important;
  align-items: center !important;
  gap: 8px !important;
}

/* ナビタブリンク（UIガイドのタブ型） */
.site-header .header-nav-link {
  font-size: 13.5px !important;
  font-weight: 500 !important;
  color: var(--mc-text-sub) !important;
  text-decoration: none !important;
  padding: 6px 14px !important;
  border-radius: var(--mc-radius-pill) !important;
  transition: all var(--mc-duration) var(--mc-ease) !important;
}

.site-header .header-nav-link:hover,
.site-header .header-nav-link.active {
  background: var(--mc-accent-light) !important;
  color: var(--mc-text) !important;
  text-decoration: none !important;
}

/* Header Search */
.header-search {
  position: relative;
  margin: 0 6px;
}

.header-search-input {
  width: 190px !important;
  height: 36px !important;
  padding: 6px 36px 6px 14px !important;
  border: 1.5px solid var(--mc-border) !important;
  border-radius: var(--mc-radius-pill) !important;
  font-size: 13px !important;
  font-family: var(--mc-font-body) !important;
  background: rgba(255,255,255,0.8) !important;
  cursor: pointer !important;
  transition: all var(--mc-duration) var(--mc-ease) !important;
  color: var(--mc-text-sub) !important;
}

.header-search-input:hover,
.header-search-input:focus {
  border-color: var(--mc-primary) !important;
  background: #fff !important;
  outline: none !important;
  box-shadow: 0 0 0 3px rgba(70,101,188,0.10) !important;
}

.header-search-shortcut {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background: var(--mc-border-light);
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--mc-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
}

/* Lang Switch */
.site-header .lang-switch {
  display: flex !important;
  align-items: center !important;
  gap: 2px !important;
}

.site-header .lang-btn {
  padding: 4px 8px !important;
  font-size: 12.5px !important;
  font-weight: 500 !important;
  color: var(--mc-text-sub) !important;
  text-decoration: none !important;
  border-radius: 4px !important;
  transition: color var(--mc-duration) var(--mc-ease) !important;
}

.site-header .lang-btn.active {
  color: var(--mc-primary) !important;
  font-weight: 700 !important;
}

.site-header .separator {
  color: var(--mc-border) !important;
  font-size: 12px !important;
}

/* Currency Select */
.site-header .currency-switch {
  margin-left: 4px !important;
}

.site-header .currency-select {
  height: 34px !important;
  padding: 4px 8px !important;
  border: 1.5px solid var(--mc-border) !important;
  border-radius: var(--mc-radius-sm) !important;
  font-size: 13px !important;
  background: rgba(255,255,255,0.8) !important;
  color: var(--mc-text) !important;
  cursor: pointer !important;
}

/* Dark mode toggle */
.dark-mode-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1.5px solid var(--mc-border);
  border-radius: var(--mc-radius-sm);
  cursor: pointer;
  font-size: 17px;
  transition: all var(--mc-duration) var(--mc-ease);
  margin-left: 4px;
}

.dark-mode-toggle:hover {
  background: var(--mc-neutral-bg);
  border-color: var(--mc-primary-light);
}

/* Desktop / Mobile visibility */
.desktop-only { display: flex; }
.mobile-only  { display: none; }

/* Hamburger */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.mobile-menu-toggle .hamburger-line {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--mc-text);
  border-radius: 2px;
  transition: transform 200ms var(--mc-ease), opacity 200ms var(--mc-ease);
}

/* Mobile Drawer */
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(249,244,242,0.98);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--mc-border-light);
  box-shadow: var(--mc-shadow-md);
  padding: 20px 24px;
  z-index: 100;
}

.mobile-menu.open { display: block; }

@media (min-width: 768px) {
  .mobile-menu {
    display: none !important;
  }
}

.mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-menu-link {
  font-size: 16px;
  font-weight: 500;
  color: var(--mc-text);
  text-decoration: none;
  padding: 14px 0;
  border-bottom: 1px solid var(--mc-border-light);
  transition: color var(--mc-duration) var(--mc-ease);
}

.mobile-menu-link:hover { color: var(--mc-primary); }

.mobile-lang-switch {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
}

/* --------------------------------------------------------------------------
   7. Hero Section — Modern Comfort
   -------------------------------------------------------------------------- */
.hero-section,
.hero-area {
  position: relative !important;
  background: linear-gradient(160deg, var(--color-bg-page) 0%, #FAF8F5 50%, var(--color-bg-page) 100%) !important;
  text-align: center !important;
  padding-top: 72px !important;
  padding-bottom: 60px !important;
  overflow: hidden !important;
  border-bottom: 1px solid rgba(70, 101, 140, 0.08) !important;
}

[data-theme="dark"] .hero-section,
@media (prefers-color-scheme: dark) { html:not([data-theme="light"]) .hero-section } {
  background: linear-gradient(160deg, var(--color-bg-page) 0%, #22201D 50%, var(--color-bg-page) 100%) !important;
}

/* Hero Blob Animation */
.hero-blob {
  position: absolute !important;
  z-index: 0 !important;
  opacity: 0.4 !important;
  filter: blur(24px) !important;
  animation: blob-float 12s infinite alternate ease-in-out !important;
  pointer-events: none !important;
}
.hero-blob-1 { top: -20% !important; left: -10% !important; width: 500px !important; height: 500px !important; }
.hero-blob-2 { bottom: -20% !important; right: -10% !important; width: 400px !important; height: 400px !important; animation-delay: -6s !important; opacity: 0.2 !important; }
@keyframes blob-float {
  0% { transform: translateY(0) scale(1); }
  100% { transform: translateY(-30px) scale(1.05); }
}

.hero-section h1,
.hero-area h1 {
  position: relative !important;
  z-index: 1 !important;
}

.hero-section .hero-subtitle,
.hero-area .hero-desc {
  position: relative !important;
  z-index: 1 !important;
}

/* Trust Badges */
.trust-badges {
  display: flex !important;
  justify-content: center !important;
  flex-wrap: wrap !important;
  gap: 10px !important;
  margin-top: 28px !important;
  margin-bottom: 36px !important;
  position: relative !important;
  z-index: 1 !important;
}

.trust-badges .badge {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  padding: 8px 18px !important;
  background: rgba(255,255,255,0.82) !important;
  border: 1.5px solid var(--mc-border-light) !important;
  border-radius: var(--mc-radius-pill) !important;
  font-size: 13.5px !important;
  font-weight: 500 !important;
  color: var(--mc-text-sub) !important;
  box-shadow: var(--mc-shadow-xs) !important;
  backdrop-filter: blur(8px) !important;
}

.trust-badges .badge::before {
  content: '✓' !important;
  color: var(--mc-success) !important;
  font-weight: 700 !important;
  font-size: 13px !important;
}

/* Hero CTA */
.hero-cta {
  display: flex !important;
  gap: 14px !important;
  justify-content: center !important;
  flex-wrap: wrap !important;
  position: relative !important;
  z-index: 1 !important;
}

/* --------------------------------------------------------------------------
   8. Section Titles
   -------------------------------------------------------------------------- */
.section-title {
  font-family: var(--mc-font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--mc-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.875rem;
  border-bottom: 2px solid var(--mc-accent-light);
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 52px;
  height: 2px;
  background: var(--mc-accent);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   9. Category Cards
   -------------------------------------------------------------------------- */
.category-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
  gap: 14px !important;
}

.category-card {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start !important;
  gap: 14px !important;
  padding: 20px !important;
  background: var(--color-bg-card) !important;
  border: 1px solid rgba(70, 101, 140, 0.06) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-card) !important;
  text-decoration: none !important;
  color: inherit !important;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base) !important;
  min-height: 100px !important;
}

.category-card:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: rgba(70, 101, 140, 0.20) !important;
  text-decoration: none !important;
}

.category-card .category-icon {
  width: 44px !important;
  height: 44px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  flex-shrink: 0 !important;
  background: rgba(70,101,140,0.06) !important;
  border-radius: var(--radius-md) !important;
}

.category-card .category-icon svg {
  width: 26px !important;
  height: 26px !important;
  color: var(--color-primary) !important;
}

.category-card .category-card-content {
  flex: 1 !important;
  min-width: 0 !important;
}

.category-card h3 {
  font-size: var(--text-base) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  margin: 0 0 4px 0 !important;
  word-break: normal !important;
  overflow-wrap: anywhere !important;
}

.category-card p {
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
  line-height: var(--leading-relaxed) !important;
  word-break: normal !important;
  overflow-wrap: anywhere !important;
}

/* --------------------------------------------------------------------------
   10. Tool Cards
   -------------------------------------------------------------------------- */
.tool-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)) !important;
  gap: 14px !important;
}

.tool-card-link {
  display: flex !important;
  flex-direction: column !important;
  padding: 20px !important;
  background: var(--color-bg-card) !important;
  border: 1px solid rgba(70, 101, 140, 0.06) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-card) !important;
  text-decoration: none !important;
  color: inherit !important;
  min-height: 120px !important;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base) !important;
}

.tool-card-link:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-lg) !important;
  border-color: rgba(70, 101, 140, 0.20) !important;
  text-decoration: none !important;
}

.tool-card-link .tool-card-icon,
.tool-card-link .tool-icon {
  width: 44px !important;
  height: 44px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  font-size: 1.5rem !important;
  margin-bottom: 12px !important;
  background: rgba(70,101,140,0.06) !important;
  border-radius: var(--radius-md) !important;
}

.tool-card-link .tool-card-icon svg {
  width: 24px !important;
  height: 24px !important;
  color: var(--color-primary) !important;
}

.tool-card-link .tool-card-title,
.tool-card-link .tool-name {
  font-size: var(--text-base) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  margin: 0 0 6px 0 !important;
  line-height: 1.4 !important;
  transition: color var(--transition-fast) !important;
  word-break: break-all !important;
  overflow-wrap: anywhere !important;
}

.tool-card-link:hover .tool-card-title,
.tool-card-link:hover .tool-name {
  color: var(--color-primary-light) !important;
}

.tool-card-link .tool-card-desc,
.tool-card-link .tool-desc {
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
  line-height: var(--leading-relaxed) !important;
  word-break: break-all !important;
  overflow-wrap: anywhere !important;
}

.tool-card-link .tool-cta { display: none !important; }

/* --------------------------------------------------------------------------
   11. Buttons — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */

/* Primary Button (Accent / Terracotta) */
.btn-primary,
.btn-primary-large,
.calculate-btn,
.btn-calculate {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 14px 32px !important;
  background: var(--color-accent) !important;
  color: var(--color-text-inverse) !important;
  border: none !important;
  border-radius: var(--radius-full) !important;
  font-family: var(--font-sans-jp) !important;
  font-size: var(--text-base) !important;
  font-weight: var(--font-medium) !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: background var(--transition-base),
              transform var(--transition-base),
              box-shadow var(--transition-base) !important;
}

.btn-primary:hover:not(:disabled),
.btn-primary-large:hover:not(:disabled),
.calculate-btn:hover:not(:disabled),
.btn-calculate:hover:not(:disabled) {
  background: var(--color-accent-hover) !important;
  transform: translateY(-1px) !important;
  box-shadow: var(--shadow-md) !important;
  text-decoration: none !important;
}

.btn-primary:active:not(:disabled),
.btn-primary-large:active:not(:disabled),
.calculate-btn:active:not(:disabled),
.btn-calculate:active:not(:disabled) {
  transform: translateY(0) scale(0.97) !important;
  transition: transform 80ms ease !important;
  box-shadow: var(--shadow-sm) !important;
}

.btn-primary-large {
  padding: 15px 36px !important;
  font-size: var(--text-lg) !important;
}

/* Secondary Button */
.btn-secondary {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 14px 32px !important;
  background: transparent !important;
  color: var(--color-primary) !important;
  border: 1.5px solid var(--color-primary) !important;
  border-radius: var(--radius-full) !important;
  font-size: var(--text-base) !important;
  font-weight: var(--font-medium) !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: background var(--transition-base) !important;
}

.btn-secondary:hover {
  background: rgba(70,101,140,0.06) !important;
  text-decoration: none !important;
}

/* Ghost Button (Text Link) */
.btn-ghost,
.btn-text-action {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 8px !important;
  padding: 8px 16px !important;
  background: transparent !important;
  color: var(--color-primary) !important;
  border: none !important;
  font-size: var(--text-base) !important;
  font-weight: var(--font-medium) !important;
  text-decoration: none !important;
  cursor: pointer !important;
  transition: opacity var(--transition-base) !important;
}

.btn-ghost:hover,
.btn-text-action:hover {
  text-decoration: underline !important;
  opacity: 0.8 !important;
}

/* Copy Button */
.btn-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  margin-top: 12px;
  min-width: 48px;
  min-height: 48px;
}

.btn-copy:hover {
  background: rgba(70,101,140,0.06);
}

.btn-copy.copied {
  background: rgba(106,158,114,0.12);
  color: var(--color-success);
  border-color: var(--color-success);
}

/* --------------------------------------------------------------------------
   12. Cards & Result Block — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */
.card {
  background: var(--color-bg-card) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--space-6) var(--space-8) !important;
  box-shadow: var(--shadow-card) !important;
  border: 1px solid rgba(70, 101, 140, 0.06) !important;
}

.card-interactive {
  transition: transform var(--transition-base), box-shadow var(--transition-base) !important;
}

.card-interactive:hover {
  transform: translateY(-3px) !important;
  box-shadow: var(--shadow-lg) !important;
}

/* Tool Card (Calculator Page Wrapper) */
.tool-card {
  background: var(--color-bg-card) !important;
  border-radius: var(--radius-xl) !important;
  padding: var(--space-8) var(--space-10) !important;
  box-shadow: var(--shadow-lg) !important;
  margin: var(--space-8) 0 !important;
}

@media (max-width: 639px) {
  .tool-card {
    padding: var(--space-6) var(--space-5) !important;
  }
}

.tool-card-title {
  font-size: var(--text-lg) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  margin-bottom: var(--space-6) !important;
  padding-bottom: var(--space-4) !important;
  border-bottom: 1.5px solid rgba(70,101,140,0.10) !important;
}

/* Forms in Tool Card */
.form-group {
  margin-bottom: var(--space-5) !important;
}
.form-group:last-child { margin-bottom: 0 !important; }

.form-group label {
  display: flex !important;
  align-items: center !important;
  gap: var(--space-2) !important;
  font-size: var(--text-sm) !important;
  font-weight: var(--font-medium) !important;
  color: var(--color-text-secondary) !important;
  margin-bottom: var(--space-2) !important;
}

/* Result Block */
.result-block {
  background: linear-gradient(135deg, rgba(70, 101, 140, 0.06) 0%, rgba(213, 139, 91, 0.06) 100%) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--space-6) var(--space-8) !important;
  border-left: 4px solid var(--color-accent) !important;
  margin-top: var(--space-6) !important;
  min-height: 120px !important;
}

.result-label {
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  margin-bottom: var(--space-1) !important;
}

.result-value {
  font-size: var(--text-4xl) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  font-family: var(--font-sans-en) !important;
  letter-spacing: -0.02em !important;
}

.result-sub {
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  margin-top: var(--space-1) !important;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.result-animate {
  animation: fadeInUp 250ms ease forwards;
}

/* --------------------------------------------------------------------------
   13. Form Inputs — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */
input[type="text"],
input[type="number"],
input[type="email"],
select,
textarea,
.input-field {
  width: 100% !important;
  padding: 14px 16px !important;
  background: var(--color-bg-input) !important;
  border: 1.5px solid rgba(70, 101, 140, 0.20) !important;
  border-radius: var(--radius-md) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-sans-jp) !important;
  color: var(--color-text-primary) !important;
  transition: border-color var(--transition-base),
              box-shadow var(--transition-base) !important;
  outline: none !important;
  -webkit-appearance: none;
}

input:focus,
select:focus,
textarea:focus,
.input-field:focus {
  outline: none !important;
  border-color: var(--color-primary) !important;
  box-shadow: 0 0 0 3px rgba(70, 101, 140, 0.12) !important;
}

input::placeholder,
textarea::placeholder,
.input-field::placeholder {
  color: var(--color-text-secondary) !important;
  opacity: 0.6 !important;
}

/* Prefixed Input Field Wrapper */
.input-with-prefix {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
}

.input-with-prefix .input-prefix {
  position: absolute !important;
  left: 16px !important;
  color: var(--color-text-secondary) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-sans-en) !important;
  pointer-events: none !important;
}

.input-with-prefix .input-field,
.input-with-prefix input {
  padding-left: 36px !important;
}

.input-with-suffix {
  position: relative !important;
  display: flex !important;
  align-items: center !important;
}

.input-with-suffix .input-suffix {
  position: absolute !important;
  right: 16px !important;
  color: var(--color-text-secondary) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-sans-en) !important;
  pointer-events: none !important;
}

.input-with-suffix .input-field,
.input-with-suffix input {
  padding-right: 40px !important;
}

/* --------------------------------------------------------------------------
   14. Mobile Bottom Navigation
   -------------------------------------------------------------------------- */
.mobile-nav {
  display: none !important;
  position: fixed !important;
  bottom: 0 !important;
  left: 0 !important;
  right: 0 !important;
  height: 62px !important;
  background: rgba(249,244,242,0.97) !important;
  backdrop-filter: blur(16px) !important;
  border-top: 1px solid var(--mc-border-light) !important;
  z-index: 1000 !important;
  box-shadow: 0 -2px 16px rgba(70,65,60,0.08) !important;
}

.mobile-nav-items {
  display: flex !important;
  align-items: center !important;
  justify-content: space-around !important;
  height: 100% !important;
  padding: 0 16px !important;
}

.mobile-nav-item {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  gap: 3px !important;
  padding: 8px 14px !important;
  text-decoration: none !important;
  color: var(--mc-text-sub) !important;
  font-size: 11px !important;
  font-weight: 500 !important;
  border-radius: var(--mc-radius-sm) !important;
  transition: color var(--mc-duration) var(--mc-ease) !important;
}

.mobile-nav-item.active,
.mobile-nav-item:first-child {
  color: var(--mc-primary) !important;
}

.mobile-nav-item .nav-icon { font-size: 20px !important; }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  background: transparent !important;
  border-top: none !important;
  padding: 0 0 var(--space-8) 0 !important;
}

.site-footer .app-container {
  width: 100%;
  max-width: var(--mc-max-width) !important;
  margin: 0 auto;
  background: var(--color-bg-card) !important;
  border-radius: var(--radius-xl) !important;
  padding: var(--space-8) var(--space-6) var(--space-6) !important;
  box-shadow: var(--shadow-sm) !important;
  border: 1px solid rgba(70, 101, 140, 0.1) !important;
}

.site-footer .note {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-8);
  line-height: var(--leading-relaxed);
}

.site-footer .footer-sections {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (max-width: 1023px) {
  .site-footer .footer-sections { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 767px) {
  .site-footer .footer-sections { grid-template-columns: 1fr; gap: var(--space-6); }
  .site-footer .app-container {
    border-radius: 0;
    padding: var(--space-6) var(--space-4);
    border-left: none;
    border-right: none;
  }
}

.site-footer .footer-nav h3 {
  font-family: var(--font-primary);
  font-size: var(--text-base) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-text-primary) !important;
  margin-bottom: var(--space-4) !important;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-bottom: 2px solid rgba(70, 101, 140, 0.1);
  padding-bottom: var(--space-2);
}

.site-footer .footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer .footer-links li { margin-bottom: var(--space-2); }

.site-footer .footer-links a {
  color: var(--color-text-secondary) !important;
  font-size: var(--text-sm) !important;
  transition: color var(--transition-base) !important;
  text-decoration: none;
  display: inline-block;
}

.site-footer .footer-links a:hover {
  color: var(--color-primary) !important;
  text-decoration: none;
  transform: translateX(4px);
}

.site-footer .footer-disclaimer {
  font-size: 11px;
  color: var(--color-text-secondary);
  text-align: center;
  margin: 0 auto var(--space-4);
  line-height: var(--leading-relaxed);
  max-width: 800px;
  opacity: 0.8;
}

.site-footer .copyright {
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  text-align: center;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(70, 101, 140, 0.1);
}

/* --------------------------------------------------------------------------
   16. Page Layout Helpers — 全コンテナ幅を --mc-max-width で一元管理
   -------------------------------------------------------------------------- */

/* 統一コンテナ: ヘッダー・本文・フッターすべてこの幅 */
.page-container,
.app-container {
  width: 100% !important;
  max-width: var(--max-width, 1200px) !important;
  margin: 0 auto !important;
  padding: 0 var(--space-6, 24px) !important;
}

.section-spacer { margin-bottom: 4rem; }

@media (max-width: 767px) {
  .page-container,
  .app-container {
    padding: 0 var(--space-4, 16px) !important;
  }
  .section-spacer { margin-bottom: 3rem; }
}

/* --------------------------------------------------------------------------
   17. Breadcrumb
   -------------------------------------------------------------------------- */
.breadcrumb {
  padding: 14px 0;
  margin-bottom: 4px;
}

.breadcrumb .breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb .breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--mc-text-muted);
}

.breadcrumb .breadcrumb-item:not(:last-child)::after {
  content: '/';
  margin: 0 6px;
  color: var(--mc-border);
}

.breadcrumb .breadcrumb-item a {
  color: var(--mc-text-muted);
  text-decoration: none;
  transition: color var(--mc-duration) var(--mc-ease);
}

.breadcrumb .breadcrumb-item a:hover {
  color: var(--mc-primary);
  text-decoration: none;
}

.breadcrumb .breadcrumb-item.active { color: var(--mc-text-sub); }

/* --------------------------------------------------------------------------
   18. Search Modal
   -------------------------------------------------------------------------- */
.search-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1050;
}

.search-modal .search-modal-overlay {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(45,45,45,0.45);
  backdrop-filter: blur(6px);
}

.search-modal .search-modal-content {
  position: relative;
  max-width: 680px;
  margin: 5rem auto 0;
  background: var(--mc-neutral-card);
  border-radius: var(--mc-radius-xl);
  box-shadow: var(--mc-shadow-lg);
  overflow: hidden;
  border: 1.5px solid var(--mc-border-light);
}

@media (max-width: 767px) {
  .search-modal .search-modal-content {
    margin: 2rem 16px 0;
    max-width: none;
  }
}

.search-modal .search-modal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--mc-border-light);
}

.search-modal .search-input {
  flex: 1;
  height: 44px;
  padding: 10px 14px;
  border: 1.5px solid var(--mc-border);
  border-radius: var(--mc-radius-md);
  font-size: 1rem;
  font-family: var(--mc-font-body);
  background: var(--mc-neutral-bg);
  color: var(--mc-text);
  transition: border-color var(--mc-duration) var(--mc-ease);
}

.search-modal .search-input:focus {
  outline: none;
  border-color: var(--mc-primary);
  box-shadow: 0 0 0 3px rgba(70,101,188,0.10);
}

.search-modal .search-close-btn {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mc-neutral-bg);
  border: none;
  border-radius: 50%;
  font-size: 1.1rem;
  color: var(--mc-text-sub);
  cursor: pointer;
  transition: all var(--mc-duration) var(--mc-ease);
}

.search-modal .search-close-btn:hover {
  background: var(--mc-border-light);
  color: var(--mc-text);
}

.search-modal .search-results {
  max-height: 480px;
  overflow-y: auto;
  padding: 12px;
}

.search-modal .search-hint {
  text-align: center;
  padding: 2.5rem;
  color: var(--mc-text-muted);
  font-size: 0.9rem;
}

.search-modal .search-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px;
  border-radius: var(--mc-radius-md);
  text-decoration: none;
  color: var(--mc-text);
  transition: background var(--mc-duration) var(--mc-ease);
}

.search-modal .search-result-item:hover { background: var(--mc-neutral-bg); }

.search-modal .search-result-item .search-result-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--mc-radius-sm);
  background: var(--mc-neutral-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.search-modal .search-result-item .search-result-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--mc-text);
}

.search-modal .search-result-item .search-result-desc {
  font-size: 13px;
  color: var(--mc-text-sub);
}

.search-modal .search-result-item .search-result-category {
  font-size: 11px;
  color: var(--mc-primary);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   19. Affiliate Ad Blocks
   -------------------------------------------------------------------------- */
.affiliate-block {
  position: relative;
  margin: 40px 0;
  padding: 0;
}

.affiliate-block-label {
  display: block;
  font-size: 10px;
  color: var(--mc-text-muted);
  text-align: right;
  margin-bottom: 4px;
  letter-spacing: 0.08em;
  font-weight: 500;
}

/* Native card style ad */
.affiliate-native {
  background: var(--mc-neutral-card);
  border: 1.5px solid var(--mc-border-light);
  border-radius: var(--mc-radius-xl);
  padding: 24px 28px;
  box-shadow: var(--mc-shadow-xs);
}

.affiliate-native .affiliate-heading {
  font-size: 12px;
  font-weight: 700;
  color: var(--mc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.affiliate-native .affiliate-heading::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--mc-border-light);
}

.affiliate-card-row {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

/* Banner style ad */
/* ===== アフィリエイト広告コンテナ（グローバル） ===== */
.affiliate-banner {
  margin: 24px 0;
  padding: 16px;
  background: linear-gradient(135deg, #f5f5f5 0%, #fafafa 100%);
  border-left: 5px solid #2196F3;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  contain: layout style paint;
}

.affiliate-banner:hover {
  box-shadow: 0 4px 16px rgba(33, 150, 243, 0.16);
  transform: translateY(-2px);
}

.affiliate-banner[data-impression-tracked="true"] {
  border-left-color: #4CAF50;
}

/* ===== アフィリエイト内部レイアウト ===== */
.affiliate-banner-inner {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

/* ===== PRラベル ===== */
.affiliate-label {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: #FF6B6B;
  background: #FFF3E0;
  padding: 4px 8px;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

/* ===== CTAボタン（WCAG基準対応、最小48×48px） ===== */
.affiliate-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  
  /* タップターゲット最小基準: 48×48dp (768px以下のデバイス) */
  min-width: 48px;
  min-height: 48px;
  padding: 12px 18px;
  
  background: linear-gradient(135deg, #2196F3 0%, #1976D2 100%);
  color: white;
  text-decoration: none;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(33, 150, 243, 0.3);
  
  /* フォーカス時の視認性 */
  outline: 2px solid transparent;
  outline-offset: 2px;
}

/* デスクトップ環境では大きめで視認性確保 */
@media (min-width: 769px) {
  .affiliate-cta {
    min-width: 160px;
    min-height: 44px;
    padding: 14px 24px;
  }
}

.affiliate-cta:hover:not(:disabled) {
  background: linear-gradient(135deg, #1976D2 0%, #1565C0 100%);
  box-shadow: 0 4px 12px rgba(33, 150, 243, 0.45);
  transform: translateY(-1px);
}

.affiliate-cta:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(33, 150, 243, 0.3);
}

.affiliate-cta:focus-visible {
  outline-color: #2196F3;
  outline-offset: 3px;
}

.affiliate-cta:disabled {
  background: #BDBDBD;
  cursor: not-allowed;
  opacity: 0.6;
}

/* ===== CTAアイコン（矢印） ===== */
.affiliate-cta-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  font-weight: bold;
  flex-shrink: 0;
}

/* ===== CTAテキスト ===== */
.affiliate-cta-text {
  display: inline-block;
  flex-grow: 1;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ===== モバイル表示最適化（768px以下） ===== */
@media (max-width: 768px) {
  .affiliate-banner {
    margin: 20px -16px;
    padding: 16px;
    border-radius: 0;
    border-left-width: 6px;
  }
  
  .affiliate-banner-inner {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .affiliate-label {
    order: 1;
    align-self: flex-start;
  }
  
  .affiliate-cta {
    order: 2;
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }
  
  .affiliate-cta-text {
    white-space: normal;
  }
}

/* ===== タブレット表示最適化（769px - 1024px） ===== */
@media (min-width: 769px) and (max-width: 1024px) {
  .affiliate-banner-inner {
    gap: 16px;
  }
  
  .affiliate-cta {
    flex-shrink: 0;
  }
}

/* ===== ダークモード対応 ===== */
@media (prefers-color-scheme: dark) {
  .affiliate-banner {
    background: linear-gradient(135deg, #2a2a2a 0%, #1f1f1f 100%);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  }
  
  .affiliate-banner:hover {
    box-shadow: 0 4px 16px rgba(33, 150, 243, 0.2);
  }
  
  .affiliate-label {
    background: #3a2a00;
    color: #FFB74D;
  }
}

/* ===== 印刷時の調整 ===== */
@media print {
  .affiliate-banner {
    border: 1px dashed #999;
    background: white;
  }
  
  .affiliate-cta {
    color: #2196F3;
    text-decoration: underline;
    background: transparent;
    box-shadow: none;
  }
}

/* ── ショッピング文脈広告 ── */
.affiliate-shopping-context {
  border-left: 3px solid var(--mc-accent);
}

/* ── 旅行文脈広告 ── */
.affiliate-travel-context {
  border-left: 3px solid var(--mc-primary);
}

/* ── ビジネス文脈広告 ── */
.affiliate-business-context {
  border-left: 3px solid var(--mc-primary-2);
}

/* --------------------------------------------------------------------------
   20. SEO / Content Sections
   -------------------------------------------------------------------------- */
.seo-text-block {
  background: var(--mc-neutral-card);
  padding: 32px;
  border-radius: var(--mc-radius-xl);
  border: 1.5px solid var(--mc-border-light);
  box-shadow: var(--mc-shadow-xs);
  margin-bottom: 2rem;
}

.tool-article {
  background: var(--mc-neutral-card);
  padding: 36px 32px;
  border-radius: var(--mc-radius-xl);
  border: 1.5px solid var(--mc-border-light);
  margin: 3rem 0;
  box-shadow: var(--mc-shadow-sm);
}

.tool-article h2 {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--mc-text);
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 2px solid var(--mc-border-light);
}

.tool-article h2:first-of-type { margin-top: 0; }

.tool-article p {
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--mc-text-sub);
  margin-bottom: 1.1rem;
}

.tool-article a {
  color: var(--mc-primary);
  text-decoration: underline;
  text-decoration-color: rgba(70,101,188,0.3);
  text-underline-offset: 3px;
}

.concrete-example {
  margin-top: 28px;
  padding: 20px 24px;
  background: rgba(213,184,139,0.08);
  border-radius: var(--mc-radius-md);
  border-left: 4px solid var(--mc-accent);
}

.tool-disclaimer {
  margin-top: 32px;
  padding: 20px 24px;
  background: var(--mc-neutral-bg);
  border-radius: var(--mc-radius-md);
  border-left: 4px solid var(--mc-primary-light);
}

.tool-faq-section {
  margin-top: var(--space-8);
  padding: var(--space-6);
  background: rgba(70,101,140,0.03);
  border-radius: var(--radius-lg);
}

/* --------------------------------------------------------------------------
   21. FAQ
   -------------------------------------------------------------------------- */
.faq-item {
  border: 1px solid rgba(70, 101, 140, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  overflow: hidden;
  background: var(--color-bg-card);
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.faq-item:hover {
  box-shadow: var(--shadow-sm);
  border-color: rgba(70, 101, 140, 0.3);
}

.faq-item.active { border-color: var(--color-primary); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5);
  background: rgba(70, 101, 140, 0.02);
  cursor: pointer;
  font-weight: var(--font-bold);
  font-size: var(--text-base);
  color: var(--color-text-primary);
  transition: background var(--transition-base);
  user-select: none;
}

.faq-question:hover { background: rgba(70, 101, 140, 0.05); }
.faq-question.active { background: rgba(70,101,188,0.06); color: var(--color-primary); }

.faq-question .icon {
  font-size: 1.25rem;
  color: var(--color-primary);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-question.active .icon { transform: rotate(45deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 300ms var(--ease-out-back);
}

.faq-answer.active { max-height: 800px; }

.faq-content {
  padding: var(--space-4) var(--space-5);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  font-size: var(--text-sm);
  border-top: 1px solid rgba(70, 101, 140, 0.1);
}

/* --------------------------------------------------------------------------
   22. Accessibility
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--mc-primary) !important;
  outline-offset: 2px !important;
}

:focus:not(:focus-visible) { outline: none !important; }

/* --------------------------------------------------------------------------
   23. Badges / Tags — Ocean Sorbet / Modern Comfort
   -------------------------------------------------------------------------- */
.badge {
  display: inline-flex !important;
  align-items: center !important;
  gap: var(--space-1) !important;
  padding: 4px 12px !important;
  border-radius: var(--radius-full) !important;
  font-size: var(--text-xs) !important;
  font-weight: var(--font-medium) !important;
}

.badge-primary { background: rgba(70,101,140,0.10) !important; color: var(--color-primary) !important; }
.badge-accent  { background: rgba(213,139,91,0.12) !important; color: var(--color-accent) !important; }
.badge-success { background: rgba(106,158,114,0.12) !important; color: var(--color-success) !important; }
.badge-ok      { background: rgba(106,158,114,0.12) !important; color: var(--color-success) !important; }
.badge-error   { background: rgba(201,83,79,0.12) !important; color: var(--color-error) !important; }
.badge-warn    { background: rgba(226,168,75,0.12) !important; color: var(--color-warning) !important; }
.badge-new     { background: var(--color-accent) !important; color: var(--color-text-inverse) !important; }

/* --------------------------------------------------------------------------
   23.5 Toasts
   -------------------------------------------------------------------------- */
.toast {
  display: flex !important;
  align-items: center !important;
  gap: var(--space-3) !important;
  background: var(--color-bg-card) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-3) var(--space-5) !important;
  box-shadow: 0 4px 20px rgba(70,101,140,0.12) !important;
  border: 1px solid rgba(70,101,140,0.10) !important;
  font-size: var(--text-sm) !important;
  font-weight: var(--font-medium) !important;
  color: var(--color-text-primary) !important;
}

.toast-icon {
  color: var(--color-success) !important;
  flex-shrink: 0 !important;
}

/* --------------------------------------------------------------------------
   24. Column / Article Styles
   -------------------------------------------------------------------------- */
.column-article {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(70, 101, 140, 0.1);
  padding: var(--space-8);
  line-height: var(--leading-loose);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.column-article h2 {
  font-size: var(--text-lg);
  color: var(--color-primary);
  border-left: 4px solid var(--color-accent);
  padding-left: var(--space-3);
  margin: var(--space-8) 0 var(--space-4);
  font-weight: var(--font-bold);
}

.column-article h2:first-child { margin-top: 0; }

.column-highlight {
  background: rgba(213, 139, 91, 0.06);
  border: 1px solid rgba(213, 139, 91, 0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) 0;
}

.column-formula {
  background: rgba(91,173,143,0.06);
  border-left: 4px solid var(--color-success);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-4) var(--space-5);
  margin: var(--space-4) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: #1E5C3A;
}

.column-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%) !important;
  border-radius: var(--radius-xl) !important;
  padding: var(--space-8) !important;
  text-align: center;
  margin: var(--space-12) 0 0 !important;
}

.column-cta h3 {
  color: var(--color-text-inverse) !important;
  font-size: var(--text-2xl) !important;
  margin-top: 0 !important;
  margin-bottom: var(--space-4) !important;
}

.column-cta p { color: rgba(255,255,255,0.9) !important; font-size: var(--text-base) !important; margin-bottom: var(--space-6) !important; }
.column-cta a {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  background: var(--color-bg-input) !important;
  color: var(--color-primary) !important;
  font-weight: var(--font-bold) !important;
  padding: 16px 32px !important;
  border-radius: var(--radius-full) !important;
  font-size: var(--text-lg) !important;
  text-decoration: none !important;
  transition: transform var(--transition-base), box-shadow var(--transition-base) !important;
  box-shadow: var(--shadow-sm) !important;
}
.column-cta a:hover {
  transform: translateY(-2px) !important;
  box-shadow: var(--shadow-md) !important;
}

.column-meta { display: flex; gap: 14px; font-size: var(--text-sm) !important; color: var(--color-text-secondary) !important; margin-bottom: var(--space-6) !important; flex-wrap: wrap; }
.column-meta .tag { background: rgba(70,101,140,0.1) !important; color: var(--color-primary) !important; padding: 4px 12px !important; border-radius: var(--radius-full) !important; font-weight: var(--font-bold) !important; }
.column-toc { background: var(--color-bg-card); border: 1px solid rgba(70,101,140,0.1); border-radius: var(--radius-md); padding: var(--space-5); margin: 0 0 var(--space-8); }
.column-toc h4 { margin: 0 0 var(--space-3); font-size: var(--text-base); color: var(--color-text-primary); font-weight: var(--font-bold); }
.column-toc ol { padding-left: var(--space-5); margin: 0; font-size: var(--text-sm); }
.column-toc a { color: var(--color-primary); text-decoration: none; font-weight: var(--font-medium); }
.column-breadcrumb { font-size: var(--text-sm); color: var(--color-text-secondary); margin-bottom: var(--space-4); }
.column-breadcrumb a { color: var(--color-primary); }
.column-datebar { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-6); }
.column-footer-note { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-5); }

/* --------------------------------------------------------------------------
   25. Responsive — Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  .desktop-only,
  .site-header .header-nav {
    display: none !important;
  }

  .mobile-only { display: flex !important; }
  .mobile-menu-toggle { display: flex !important; }
  .mobile-nav { display: block !important; }

  body { padding-bottom: 62px !important; }

  .hero-section,
  .hero-area {
    padding-top: 36px !important;
    padding-bottom: 28px !important;
  }

  .header-search { display: none !important; }
  .category-grid { grid-template-columns: 1fr !important; }
  .tool-grid { grid-template-columns: 1fr !important; }

  .site-header .header-container { padding: 0 var(--mc-gutter-sp) !important; }
}

.dark-mode .affiliate-native { background: var(--mc-neutral-card) !important; border-color: var(--mc-border) !important; }



/* --------------------------------------------------------------------------
   27. Utility Classes
   -------------------------------------------------------------------------- */
.text-primary  { color: var(--mc-primary) !important; }
.text-accent   { color: var(--mc-accent) !important; }
.text-muted    { color: var(--mc-text-muted) !important; }
.text-center   { text-align: center !important; }
.hidden        { display: none !important; }
.sr-only       { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }

.label-note,
.micro-copy,
.last-updated { color: var(--mc-text-muted) !important; }

/* CLS防止 */
.hero-section, .hero-area { min-height: 240px !important; }
.category-card { min-height: 100px !important; }
.tool-card-link { min-height: 120px !important; }

/* --------------------------------------------------------------------------
   21. Affiliate Components
   -------------------------------------------------------------------------- */
.ad-lead-text {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-muted, #6B6B6B);
  margin-top: 24px;
  margin-bottom: 8px;
}
.ad-block {
  background: var(--color-bg-card, #F2E9E4);
  border-radius: var(--radius-lg, 20px);
  border: 1px solid var(--color-border, rgba(70, 101, 140, 0.12));
  box-shadow: var(--shadow-card, 0 2px 12px rgba(70, 101, 140, 0.08));
  padding: 16px 20px;
  min-height: 140px; /* 計算後の広告読み込み時CLS防止用 */
  /* 初期状態：非表示（JS制御） */
  display: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.ad-block.is-visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}
.ad-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.ad-pr-badge {
  font-size: 10px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: var(--radius-full, 9999px);
  background: rgba(70, 101, 140, 0.08);
  color: var(--color-muted, #6B6B6B);
  border: 0.5px solid var(--color-border, rgba(70, 101, 140, 0.12));
}
.ad-platform {
  font-size: 11px;
  color: var(--color-muted, #6B6B6B);
}
.ad-body {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 14px;
}
.ad-thumb {
  width: 72px;
  height: 72px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
  background: rgba(70, 101, 140, 0.06);
}
.ad-text { flex: 1; min-width: 0; }
.ad-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text, #2D2D2D);
  margin-bottom: 4px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.ad-desc {
  font-size: 12px;
  color: var(--color-muted, #6B6B6B);
  line-height: 1.5;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ad-cta {
  display: block;
  width: 100%;
  padding: 12px;
  background: var(--color-accent, #D58B5B);
  color: #fff;
  border: none;
  border-radius: var(--radius-full, 9999px);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}
.ad-cta:hover {
  background: #C47A4A;
  transform: translateY(-1px);
}

/* モバイル対応 */
@media (max-width: 480px) {
  .ad-body { flex-direction: column; }
  .ad-thumb { width: 100%; height: 120px; border-radius: 12px; }
}

/* ダークモード */
[data-theme="dark"] .ad-thumb {
  background: rgba(255, 255, 255, 0.06);
  border: 0.5px solid rgba(255, 255, 255, 0.08);
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .ad-thumb {
    background: rgba(255, 255, 255, 0.06);
    border: 0.5px solid rgba(255, 255, 255, 0.08);
  }
}

/* Ad Chip (Sub) */
.ad-chip-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
}
.ad-chip-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  background: var(--color-bg-card, #F2E9E4);
  border: 1.5px solid var(--color-border, rgba(70, 101, 140, 0.12));
  border-radius: var(--radius-full, 9999px);
  font-size: 13px;
  color: var(--color-primary, #46658C);
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.ad-chip-link:hover {
  background: rgba(70, 101, 140, 0.06);
  border-color: var(--color-primary, #46658C);
}
.ad-chip-arrow {
  color: var(--color-accent, #D58B5B);
  margin-left: 2px;
}

/* Ad Inline (Column) */
.ad-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: var(--color-bg-card, #F2E9E4);
  border-radius: var(--radius-lg, 20px);
  border-left: 4px solid var(--color-accent, #D58B5B);
  padding: 14px 18px;
  margin: 24px 0;
  flex-wrap: wrap;
}
.ad-inline-left { flex: 1; min-width: 0; }
.ad-inline-title {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text, #2D2D2D);
  margin: 4px 0 3px;
}
.ad-inline-desc {
  font-size: 12px;
  color: var(--color-muted, #6B6B6B);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ad-inline-cta {
  flex-shrink: 0;
  padding: 10px 20px;
  background: var(--color-accent, #D58B5B);
  color: #fff;
  border-radius: var(--radius-full, 9999px);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.2s;
}
.ad-inline-cta:hover { background: #C47A4A; }

@media (max-width: 480px) {
  .ad-inline { flex-direction: column; align-items: flex-start; }
  .ad-inline-cta { width: 100%; text-align: center; }
}
/* --------------------------------------------------------------------------
   Premium Layout System - サイト全体の統一感向上のための追加スタイル
   -------------------------------------------------------------------------- */

/* コンテンツ幅の制限と中央揃え */
.page-container {
    max-width: 860px;
    margin: 0 auto;
}

/* ツール内のセクション構造 */
.tool-section {
    padding: 32px;
    border-bottom: 1px solid var(--sc-gray-100);
}

.tool-section:last-child {
    border-bottom: none;
}

.tool-section-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--sc-gray-900);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* セクション間の大きな余白 */
.section-spacer {
    margin-bottom: 80px;
}

/* 履歴アイテムの洗練 */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    background: var(--sc-gray-50);
    border: 1px solid var(--sc-gray-200);
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.history-item:hover {
    transform: translateY(-2px);
    background: var(--sc-white);
    box-shadow: var(--sc-shadow-md);
    border-color: var(--sc-primary-light);
}

.history-item-info {
    flex: 1;
}

.history-item-date {
    display: block;
    font-size: 0.75rem;
    color: var(--sc-gray-500);
    margin-bottom: 4px;
}

.history-item-values {
    font-size: 0.95rem;
    font-weight: 600;
}

.history-item-rate {
    font-size: 1.1rem;
    font-weight: 700;
    text-align: right;
    min-width: 80px;
}

.btn-delete-item {
    background: none;
    border: none;
    color: var(--sc-gray-300);
    cursor: pointer;
    padding: 8px;
    font-size: 1.2rem;
    transition: color 0.2s;
    line-height: 1;
}

.btn-delete-item:hover {
    color: var(--sc-error);
}

/* 関連ツール・リンクのカード化 */
.inline-tool-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 24px;
}

.inline-link-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--sc-white);
    border: 1px solid var(--sc-gray-200);
    border-radius: 16px;
    text-decoration: none !important;
    transition: all 0.3s;
    box-shadow: var(--sc-shadow-sm);
}

.inline-link-card:hover {
    border-color: var(--sc-primary);
    background: var(--sc-gray-50);
    transform: translateY(-3px);
    box-shadow: var(--sc-shadow-md);
}

.inline-link-icon {
    font-size: 1.8rem;
}

.inline-link-text {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--sc-primary);
}

/* 控えめなボタンアクション */
.btn-text-action {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sc-gray-600);
    background: var(--sc-gray-100);
    border: none;
    padding: 6px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-text-action:hover {
    background: var(--sc-gray-200);
    color: var(--sc-gray-900);
}

.btn-text-danger:hover {
    background: #fee2e2;
    color: var(--sc-error);
}

/* 補足事項ボックス */
.storage-note-box {
    background-color: var(--sc-gray-50);
    padding: 24px 40px;
    font-size: 0.85rem;
    color: var(--sc-gray-500);
    line-height: 1.7;
    border-top: 1px solid var(--sc-gray-100);
}

@media (max-width: 767px) {
    .tool-section { padding: 32px 20px; }
    .storage-note-box { padding: 24px 20px; }
    .inline-tool-links { grid-template-columns: 1fr; }
}

/* Related Chips */
.chip-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 32px; }
.sc-chip { display: inline-flex; align-items: center; padding: 8px 16px; background: white; border: 1px solid var(--sc-gray-200); border-radius: 99px; color: var(--sc-gray-700); font-size: 0.9rem; text-decoration: none; transition: all 0.2s ease; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }
.sc-chip:hover { border-color: var(--sc-primary); color: var(--sc-primary); box-shadow: 0 4px 8px rgba(70,101,188,0.1); transform: translateY(-1px); }

/* Related Tools Section */
.related-tools {
  margin: var(--space-12) 0 var(--space-8) 0 !important;
  padding: var(--space-8) var(--space-8) !important;
  background: var(--color-bg-card) !important;
  border-radius: var(--radius-xl) !important;
  box-shadow: var(--shadow-md) !important;
  border: 1px solid rgba(70, 101, 140, 0.08) !important;
}

.related-tools-title {
  font-size: var(--text-lg) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  margin-bottom: var(--space-6) !important;
  padding-bottom: var(--space-3) !important;
  border-bottom: 2px solid rgba(70, 101, 140, 0.08) !important;
  display: flex !important;
  align-items: center !important;
  gap: var(--space-2) !important;
}

.related-tools-grid {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)) !important;
  gap: var(--space-4) !important;
}

.related-tool-link {
  display: flex !important;
  flex-direction: column !important;
  padding: var(--space-5) !important;
  background: var(--color-bg-base) !important;
  border: 1px solid rgba(70, 101, 140, 0.08) !important;
  border-radius: var(--radius-lg) !important;
  text-decoration: none !important;
  transition: all var(--transition-base) !important;
}

.related-tool-link:hover {
  border-color: var(--color-primary) !important;
  box-shadow: var(--shadow-md) !important;
  transform: translateY(-2px) !important;
}

.related-tool-name {
  font-size: var(--text-base) !important;
  font-weight: var(--font-semibold) !important;
  color: var(--color-primary) !important;
  margin-bottom: var(--space-1) !important;
}

.related-tool-desc {
  font-size: var(--text-xs) !important;
  color: var(--color-text-secondary) !important;
  line-height: 1.5 !important;
}

@media (max-width: 639px) {
  .related-tools {
    padding: var(--space-6) var(--space-5) !important;
  }
}

/* ==========================================================================
   A/B Test Variant Styles & E-E-A-T Styles
   ========================================================================== */

.ad-block {
  position: relative;
  box-sizing: border-box;
  transition: opacity 0.3s ease;
}

.ad-variant-result-below {
  background-color: var(--color-bg-card) !important;
}

.ad-variant-sidebar-top {
  background: linear-gradient(135deg, rgba(70, 101, 140, 0.05) 0%, rgba(213, 139, 91, 0.05) 100%) !important;
  border-left: 4px solid var(--color-primary) !important;
  padding: var(--space-4) !important;
  border-radius: var(--radius-md) !important;
  margin-bottom: var(--space-6) !important;
}

.ad-variant-result-below-highlight {
  animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
  0% { border-color: #ff6b35 !important; box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.3) !important; }
  50% { box-shadow: 0 0 8px 2px rgba(255, 107, 53, 0.2) !important; }
  100% { border-color: #ff6b35 !important; box-shadow: 0 0 0 0 rgba(255, 107, 53, 0) !important; }
}

.usage-guide {
  margin-top: var(--space-8) !important;
  padding: var(--space-6) !important;
  background-color: var(--color-bg-card) !important;
  border-left: 4px solid var(--color-success, #28a745) !important;
  border-radius: var(--radius-md) !important;
  line-height: 1.7 !important;
  box-shadow: var(--shadow-sm) !important;
}

.usage-guide h3 {
  margin-top: 0 !important;
  font-size: var(--text-lg) !important;
  color: var(--color-text-primary) !important;
  margin-bottom: var(--space-4) !important;
}

.usage-guide h4 {
  margin-top: var(--space-5) !important;
  font-size: var(--text-base) !important;
  color: var(--color-text-primary) !important;
  font-weight: var(--font-semibold) !important;
  margin-bottom: var(--space-2) !important;
}

.usage-guide ul, .usage-guide ol {
  padding-left: var(--space-5) !important;
  margin: var(--space-3) 0 !important;
}

.usage-guide li {
  margin-bottom: var(--space-2) !important;
  color: var(--color-text-secondary) !important;
}

.formula-panel {
  background-color: var(--color-bg-base) !important;
  border: 1px solid var(--mc-border-light, #ede5e3) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-4) !important;
  margin: var(--space-4) 0 !important;
  font-family: 'Courier New', Courier, monospace !important;
  overflow-x: auto !important;
}

.formula-panel code {
  display: block !important;
  font-size: var(--text-base) !important;
  font-weight: var(--font-bold) !important;
  color: var(--color-primary) !important;
  margin-bottom: var(--space-2) !important;
  white-space: nowrap !important;
}

.formula-note {
  font-family: var(--font-sans) !important;
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  margin: 0 !important;
}

/* Details/Summary (Basis Panel) */
.basis-panel {
  margin-top: var(--space-6) !important;
  padding: var(--space-4) !important;
  background-color: #fffbf0 !important;
  border: 1px solid #ffd699 !important;
  border-radius: var(--radius-md) !important;
}

.basis-summary {
  cursor: pointer !important;
  font-weight: var(--font-semibold) !important;
  color: var(--color-primary) !important;
  padding: var(--space-2) 0 !important;
  user-select: none !important;
  outline: none !important;
}

.basis-summary:hover {
  text-decoration: underline !important;
}

.basis-content {
  margin-top: var(--space-3) !important;
  padding-top: var(--space-3) !important;
  border-top: 1px solid #ffd699 !important;
  font-size: var(--text-sm) !important;
  color: var(--color-text-secondary) !important;
  line-height: 1.6 !important;
}

.basis-content ul {
  padding-left: var(--space-5) !important;
  margin: var(--space-3) 0 !important;
}

.basis-content li {
  margin-bottom: var(--space-2) !important;
}

/* Examples Section & Card Styles */
.examples-section {
  margin-top: var(--space-8) !important;
  padding-bottom: var(--space-6) !important;
}

.examples-section h2 {
  font-size: var(--text-xl) !important;
  color: var(--color-text-primary) !important;
  border-bottom: 2px solid var(--color-primary) !important;
  padding-bottom: var(--space-2) !important;
  margin-bottom: var(--space-5) !important;
}

.example-card {
  background-color: var(--color-bg-card) !important;
  border-left: 4px solid var(--color-primary) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-5) !important;
  margin-bottom: var(--space-4) !important;
  box-shadow: var(--shadow-sm) !important;
  transition: box-shadow var(--transition-base) !important;
}

.example-card:hover {
  box-shadow: var(--shadow-md) !important;
}

.example-card h3 {
  margin-top: 0 !important;
  font-size: var(--text-base) !important;
  color: var(--color-primary) !important;
  margin-bottom: var(--space-2) !important;
}

.example-scenario,
.example-solution,
.example-insight {
  margin: var(--space-2) 0 !important;
  font-size: var(--text-sm) !important;
  line-height: 1.6 !important;
  color: var(--color-text-secondary) !important;
}

.example-scenario {
  background-color: var(--color-bg-base) !important;
  padding: var(--space-3) !important;
  border-radius: var(--radius-sm) !important;
}

.example-solution {
  background-color: rgba(40, 167, 69, 0.08) !important;
  padding: var(--space-3) !important;
  border-radius: var(--radius-sm) !important;
  font-weight: var(--font-medium) !important;
  border-left: 3px solid var(--color-success, #28a745) !important;
}

.example-insight {
  font-style: italic !important;
  color: var(--color-text-secondary) !important;
  padding-left: var(--space-2) !important;
}

.examples-link-box {
  margin-top: var(--space-8) !important;
  padding: var(--space-6) !important;
  background: linear-gradient(135deg, rgba(70, 101, 140, 0.08) 0%, rgba(213, 139, 91, 0.08) 100%) !important;
  border-radius: var(--radius-lg) !important;
  text-align: center !important;
  box-shadow: var(--shadow-sm) !important;
}

.examples-link-box h3 {
  margin-top: 0 !important;
  color: var(--color-text-primary) !important;
  font-size: var(--text-base) !important;
}

.back-to-calculator {
  text-align: center !important;
  margin-top: var(--space-8) !important;
  padding: var(--space-4) !important;
}

/* NEW badge highlight */
.tool-card-new {
  position: relative !important;
  border: 2px solid #ff6b35 !important;
  background: linear-gradient(135deg, #fff9e6 0%, #fff5d6 100%) !important;
}

.tool-card-new::after {
  content: 'NEW' !important;
  position: absolute !important;
  top: -8px !important;
  right: 8px !important;
  background-color: #ff6b35 !important;
  color: white !important;
  padding: 2px 8px !important;
  font-size: 10px !important;
  font-weight: 700 !important;
  border-radius: var(--radius-sm) !important;
  box-shadow: 0 2px 4px rgba(0,0,0,0.15) !important;
}

@media (max-width: 768px) {
  .usage-guide {
    padding: var(--space-4) !important;
  }
  
  .formula-panel {
    padding: var(--space-3) !important;
  }
  
  .formula-panel code {
    font-size: var(--text-sm) !important;
  }
  
  .example-card {
    padding: var(--space-4) !important;
  }
  
  .examples-link-box {
    padding: var(--space-4) !important;
  }
}

/* 2カラムレイアウトおよびサイドバー */
.tool-main-layout {
  display: flex !important;
  gap: var(--space-8, 32px) !important;
  align-items: flex-start !important;
  margin-top: var(--space-6, 24px) !important;
}

.tool-left-content {
  flex: 1 !important;
  min-width: 0 !important;
}

.sidebar {
  width: 320px !important;
  flex-shrink: 0 !important;
  position: sticky !important;
  top: 80px !important;
}

.tool-recommendation-widget {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
  border-radius: var(--radius-lg, 12px) !important;
  padding: var(--space-6, 24px) !important;
  color: white !important;
  margin-bottom: var(--space-6, 24px) !important;
  box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4) !important;
  position: relative !important;
  overflow: hidden !important;
}

.tool-recommendation-widget a:hover {
  text-decoration: none !important;
}

/* モバイルレスポンシブ */
@media (max-width: 1024px) {
  .tool-main-layout {
    flex-direction: column !important;
    gap: var(--space-6, 24px) !important;
  }
  
  .sidebar {
    width: 100% !important;
    position: static !important;
  }
}

/* キャッシュバスター必須のため読込元ヘッダーで ?v=timestamp を必ず付与すること */
@keyframes pulseGlow {
  0% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(0, 122, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(0, 122, 255, 0); }
}
.btn-pulse-action {
  animation: pulseGlow 2s infinite !important;
}

/* ==========================================================================
   モバイルファーストビューにおける結果エリアとバナーの統合最適化（LCP/CLS抑制）
   ========================================================================== */
@media (max-width: 767px) {
  .result-and-action-unit {
    margin-top: 12px !important;
    margin-bottom: 12px !important;
    border-radius: 12px !important;
  }
  .result-section.tool-section {
    padding: 16px !important;
  }
  .result-row {
    margin-bottom: 12px !important;
  }
  .result-row.highlight-row {
    padding: 12px !important;
    margin-bottom: 16px !important;
  }
  .result-sub-info {
    gap: 16px !important;
    padding: 12px !important;
    margin-bottom: 16px !important;
  }
  .emotional-banner {
    padding: 16px !important;
  }
  .emotional-banner p {
    margin-bottom: 8px !important;
  }
  .emotional-banner ul {
    margin: 4px 0 !important;
  }
  .ad-block {
    margin: 0 16px 16px 16px !important;
    min-height: 100px !important;
  }
}

/* ==========================================================================
   追加パーツ：モバイル自動強調モーダル & シーン選択 & 印刷用スタイル
   ========================================================================== */

/* ① モバイル自動強調モーダル */
#mobile-auto-modal {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  justify-content: center;
  align-items: flex-end;
  width: 100%;
  height: 100%;
  animation: modalFadeIn 0.3s ease;
}

.mobile-modal-card {
  background: white;
  width: 100%;
  max-width: 500px;
  border-radius: 24px 24px 0 0;
  padding: 24px;
  box-shadow: 0 -10px 25px rgba(0, 0, 0, 0.15);
  text-align: center;
  transform: translateY(100%);
  animation: slideUpModal 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.mobile-modal-card h3 {
  margin: 0 0 8px 0;
  font-size: 18px;
  font-weight: 800;
  color: #1f2937;
}

.mobile-modal-card p {
  margin: 0 0 20px 0;
  font-size: 14px;
  color: #4b5563;
  line-height: 1.6;
}

.modal-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 24px;
  background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
  color: white !important;
  font-weight: 700;
  text-decoration: none;
  border-radius: 12px;
  margin-bottom: 12px;
  font-size: 15px;
  box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.modal-close-btn {
  width: 100%;
  min-height: 48px;
  background: #f3f4f6;
  border: none;
  color: #4b5563;
  font-weight: 600;
  font-size: 14px;
  border-radius: 12px;
  cursor: pointer;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUpModal {
  to { transform: translateY(0); }
}

/* ② シーンカードグリッド & 絞り込みハイライト */
.scene-card {
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1) !important;
}

.scene-card:hover {
  transform: translateY(-4px);
}

.scene-card.active {
  transform: scale(1.02);
}

.scene-highlight {
  border-color: #2563eb !important;
  box-shadow: 0 10px 25px rgba(37, 99, 235, 0.12) !important;
  opacity: 1 !important;
  transform: scale(1.02);
}

.scene-dimmed {
  opacity: 0.35 !important;
  transform: scale(0.98);
  filter: grayscale(40%);
}

/* ③ 印刷用（A4最適化、不要部品排除） */
@media print {
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt !important;
  }

  /* 非表示にする要素 */
  .site-header, 
  .site-footer, 
  .mobile-nav, 
  .mobile-sticky-footer, 
  .sidebar, 
  .trust-signals, 
  .seo-description, 
  .form-group, 
  .input-section, 
  .result-action-panel, 
  .simulation-buttons-panel, 
  .ad-block, 
  .emotional-banner, 
  .related-tools, 
  .faq-section,
  .related-section,
  .concrete-example,
  #simulation-result-panel,
  .storage-note-box,
  .btn-copy,
  #btn-share-x,
  #btn-copy,
  .btn-primary,
  .btn-secondary {
    display: none !important;
  }

  /* 印刷対象のコンテナ幅を全幅にする */
  .page-container, 
  .tool-main-layout, 
  .tool-left-content, 
  .calculator-card, 
  .result-and-action-unit {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
  }

  /* 計算結果エリアの印刷デザイン */
  .result-section.tool-section {
    display: block !important;
    border: 2px solid #000 !important;
    border-radius: 8px !important;
    padding: 20px !important;
    margin-bottom: 30px !important;
    page-break-inside: avoid;
  }

  /* 印刷物に挿入する「他のおすすめ計算ツール一覧」用のQRコード/URL案内 */
  .result-section.tool-section::after {
    content: "\\n\\n--------------------------------------------\\n💡 他の便利な計算ツールもご利用ください:\\n・増減率計算ツール: https://simplecalc.jp/tool/increase-rate/\\n・達成率・進捗率ツール: https://simplecalc.jp/tool/achievement/\\n・利益率・マージンツール: https://simplecalc.jp/tool/profit-margin/\\n・消費税計算ツール: https://simplecalc.jp/tool/tax/\\n・変化率計算ツール: https://simplecalc.jp/tool/change-rate/" !important;
    white-space: pre-wrap !important;
    display: block !important;
    margin-top: 30px !important;
    font-size: 10pt !important;
    color: #4b5563 !important;
    border-top: 1px dashed #ccc !important;
    padding-top: 15px !important;
  }
}

/* ==========================================================================
   アフィリエイト改善 第2段階: 追加スタイル
   ========================================================================== */

/* 1. 社会的証明バッジ */
.social-proof-badge-wrapper {
  margin: 16px 0;
  display: flex;
  justify-content: center;
}
.social-proof-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
  border: 1px solid #bfdbfe;
  color: #1e40af;
  padding: 8px 16px;
  border-radius: 99px;
  font-size: var(--text-sm, 14px);
  font-weight: var(--font-bold, 700);
  box-shadow: 0 2px 8px rgba(30, 64, 175, 0.08);
  animation: pulse-badge 2s infinite ease-in-out;
}
@keyframes pulse-badge {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* 2. 推奨ツールチェーンボタンと心理フローゲート */
.chained-tools-wrapper {
  margin-top: 20px;
  padding: 18px;
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}
.chained-tools-title {
  font-size: var(--text-base, 16px);
  font-weight: var(--font-bold, 700);
  color: #1e293b;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.chained-tools-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 10px;
}
@media (min-width: 640px) {
  .chained-tools-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
.chained-tool-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  padding: 12px 16px;
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-base, 200ms ease);
  text-align: left;
  position: relative;
  overflow: hidden;
  width: 100%;
}
.chained-tool-btn:hover {
  border-color: var(--color-primary, #46658C);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(70, 101, 140, 0.12);
}
.chained-tool-btn::after {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  transform: translateX(-100%);
}
.chained-tool-btn:hover::after {
  animation: shine-btn 1.2s infinite;
}
@keyframes shine-btn {
  100% { transform: translateX(100%); }
}
.chained-tool-name {
  font-size: var(--text-sm, 14px);
  font-weight: var(--font-bold, 700);
  color: #0f172a;
}
.chained-tool-desc {
  font-size: 11px;
  color: #64748b;
  margin-top: 4px;
}
.chained-tool-badge {
  position: absolute;
  top: 4px;
  right: 6px;
  font-size: 9px;
  background: #f1f5f9;
  color: #475569;
  padding: 1px 4px;
  border-radius: 4px;
  font-weight: var(--font-medium, 500);
}

/* 3. モバイルヒーロー型モーダル */
.mobile-result-hero-modal {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: #ffffff;
  border-top-left-radius: 20px;
  border-top-right-radius: 20px;
  box-shadow: 0 -8px 30px rgba(0, 0, 0, 0.15);
  z-index: 10000;
  padding: 24px 20px;
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.mobile-result-hero-modal.active {
  transform: translateY(0);
}
.mobile-hero-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.mobile-hero-title {
  font-size: var(--text-lg, 18px);
  font-weight: var(--font-bold, 700);
  color: #0f172a;
  margin: 0;
}
.mobile-hero-close {
  background: #f1f5f9;
  border: none;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
  color: #64748b;
}
.mobile-hero-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.mobile-hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: var(--text-base, 16px);
  font-weight: var(--font-bold, 700);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3);
  text-align: center;
  min-height: 48px;
}
.mobile-hero-secondary {
  text-align: center;
  font-size: var(--text-sm, 14px);
  color: #64748b;
  margin-top: 8px;
}

/* 4. モーダル共通オーバーレイ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 10050;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}
.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* 5. メールアドレス収集（LINE共有）モーダル */
.share-gate-modal {
  background: #ffffff;
  border-radius: 16px;
  max-width: 440px;
  width: 100%;
  padding: 28px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.modal-overlay.active .share-gate-modal {
  transform: scale(1);
}
.gate-title {
  font-size: var(--text-xl, 20px);
  font-weight: var(--font-bold, 700);
  color: #0f172a;
  margin-top: 0;
  margin-bottom: 12px;
}
.gate-desc {
  font-size: var(--text-sm, 14px);
  color: #475569;
  line-height: 1.6;
  margin-bottom: 20px;
}
.gate-input-group {
  margin-bottom: 16px;
}
.gate-input {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: var(--text-base, 16px);
  outline: none;
  transition: border-color 0.2s;
}
.gate-input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}
.gate-btn-group {
  display: flex;
  gap: 12px;
}
.gate-btn-primary {
  flex: 1;
  padding: 12px;
  background: #00b900; /* LINE Green */
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: var(--font-bold, 700);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 48px;
  font-size: 14px;
}
.gate-btn-skip {
  padding: 12px 20px;
  background: #f1f5f9;
  color: #475569;
  border: none;
  border-radius: 8px;
  font-weight: var(--font-bold, 700);
  cursor: pointer;
  min-height: 48px;
  font-size: 14px;
}

/* 6. 共有ユーザー回帰ゲートモーダル */
.shared-user-gate-modal {
  background: #ffffff;
  border-radius: 16px;
  max-width: 480px;
  width: 100%;
  padding: 32px 28px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: scale(0.9);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}
.modal-overlay.active .shared-user-gate-modal {
  transform: scale(1);
}
.shared-badge-icon {
  font-size: 40px;
  margin-bottom: 12px;
}
.shared-user-gate-modal .gate-title {
  margin-bottom: 8px;
}

/* 印刷時はこれら一切を排除 */
@media print {
  .mobile-result-hero-modal,
  .modal-overlay,
  .social-proof-badge-wrapper,
  .chained-tools-wrapper,
  .result-action-panel,
  .simulation-buttons-panel {
    display: none !important;
  }
}

/* ===== Affiliate Banner スタイル（CLS対策・モバイルUX対応） ===== */

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

#affiliate-banner-container {
  margin: 24px 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.affiliate-banner {
  border: 2px solid #e8f4f8;
  border-radius: 12px;
  background: #f8fbfc;
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  transition: all 0.2s ease;
}

.affiliate-banner:hover {
  border-color: #d0e8f0;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.affiliate-banner--skeleton {
  background: #f5f5f5;
  border: 2px solid #e0e0e0;
}

.affiliate-banner--loaded {
  border-color: #0099cc;
  background: linear-gradient(135deg, #f0f8ff 0%, #f8fbfc 100%);
}

.affiliate-banner__header {
  margin-bottom: 12px;
}

.affiliate-badge {
  display: inline-block;
  background: #0099cc;
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}

.affiliate-banner__content {
  margin: 12px 0;
}

.affiliate-banner__title {
  margin: 0 0 8px 0;
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
}

.affiliate-banner__description {
  margin: 0 0 12px 0;
  font-size: 13px;
  color: #666;
  line-height: 1.5;
}

.affiliate-banner__meta {
  font-size: 12px;
  color: #0099cc;
  font-weight: 600;
  margin-bottom: 16px;
}

.affiliate-banner__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, #0099cc 0%, #006699 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 14px;
  transition: all 0.2s ease;
  cursor: pointer;
  min-height: 48px;
  justify-content: center;
  border: none;
  box-shadow: 0 2px 6px rgba(0, 153, 204, 0.3);
}

.affiliate-banner__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 153, 204, 0.4);
  background: linear-gradient(135deg, #00aadd 0%, #0077aa 100%);
}

.affiliate-banner__cta:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 153, 204, 0.3);
}

.cta-label {
  font-weight: 700;
}

.cta-arrow {
  font-size: 16px;
  margin-left: 4px;
}

/* モバイルUX対応（48px最小タップターゲット確保） */
@media (max-width: 767px) {
  .affiliate-banner {
    padding: 16px;
    margin: 20px 0;
  }
  
  .affiliate-banner__title {
    font-size: 15px;
  }
  
  .affiliate-banner__cta {
    width: 100%;
    min-height: 52px;
    font-size: 15px;
    padding: 14px 16px;
  }
}

/* ダークモード対応 */
@media (prefers-color-scheme: dark) {
  .affiliate-banner {
    background: #1a1a2e;
    border-color: #2a4a5a;
  }
  
  .affiliate-banner__title {
    color: #e8e8e8;
  }
  
  .affiliate-banner__description {
    color: #b0b0b0;
  }
  
  .affiliate-banner--skeleton {
    background: #2a2a2a;
    border-color: #404040;
  }
}

/* ===== Scene Cards スタイル（ユーザー心理シーン別訴求） ===== */

#affiliate-scene-container {
  margin: 32px 0 40px 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}

.scene-cards-skeleton {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 0;
}

.scene-card-skeleton {
  background: #f5f5f5;
  border-radius: 12px;
  padding: 20px;
  min-height: 300px;
}

.skeleton-line {
  height: 12px;
  background: linear-gradient(90deg, #e0e0e0 25%, #d0d0d0 50%, #e0e0e0 75%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
  margin-bottom: 12px;
  border-radius: 4px;
}

.skeleton-line--title {
  height: 18px;
  margin-bottom: 16px;
}

.skeleton-line--short {
  width: 60%;
}

.skeleton-button {
  height: 44px;
  background: #e0e0e0;
  border-radius: 8px;
  margin-top: 20px;
  animation: shimmer 2s infinite;
}

.scene-cards-wrapper {
  width: 100%;
}

.scene-cards-title {
  font-size: 16px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 20px 0;
  line-height: 1.4;
}

.scene-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  width: 100%;
}

.scene-card {
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 20px;
  background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}

.scene-card:hover {
  border-color: #d0e8f0;
  box-shadow: 0 4px 12px rgba(0,153,204,0.12);
  transform: translateY(-2px);
}

.scene-card--featured {
  border: 2px solid #0099cc;
  background: linear-gradient(135deg, #f0f8ff 0%, #fff 100%);
}

.scene-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}

.scene-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  background: #f5f5f5;
  object-fit: contain;
  flex-shrink: 0;
}

.scene-card__badge {
  display: inline-block;
  background: #e3f2fd;
  color: #0099cc;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.scene-card__title {
  font-size: 15px;
  font-weight: 700;
  color: #1a1a1a;
  margin: 0 0 8px 0;
  line-height: 1.4;
}

.scene-card__description {
  font-size: 13px;
  color: #666;
  margin: 0 0 12px 0;
  line-height: 1.5;
  flex-grow: 1;
}

.scene-card__urgency {
  font-size: 12px;
  color: #ff6b6b;
  font-weight: 600;
  margin-bottom: 12px;
  padding: 6px 0;
}

.scene-card__cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(135deg, #0099cc 0%, #006699 100%);
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 13px;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  min-height: 44px;
  justify-content: center;
  box-shadow: 0 2px 6px rgba(0, 153, 204, 0.25);
}

.scene-card__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 153, 204, 0.35);
  background: linear-gradient(135deg, #00aadd 0%, #0077aa 100%);
}

.scene-card__cta:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0, 153, 204, 0.25);
}

.scene-card__cta-text {
  font-weight: 700;
}

.scene-card__cta-arrow {
  font-size: 14px;
  margin-left: 4px;
}

/* モバイル対応 */
@media (max-width: 767px) {
  .scene-cards-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  
  .scene-card {
    padding: 16px;
  }
  
  .scene-card__title {
    font-size: 14px;
  }
  
  .scene-card__cta {
    width: 100%;
    min-height: 48px;
    font-size: 14px;
  }


/* ===== Sticky CTA Bar モバイル画面下部追従バー ===== */
.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(30, 60, 114, 0.96);
  backdrop-filter: blur(8px);
  padding: 10px 16px;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15);
  border-top: 2px solid #FFC107;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sticky-cta-bar.is-visible {
  transform: translateY(0);
}

.sticky-cta-link {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  min-width: 48px;
  touch-action: manipulation;
  background: linear-gradient(135deg, #FFC107 0%, #FF9800 100%);
  color: #1a237e;
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  border-radius: 6px;
  padding: 8px 12px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.sticky-cta-close {
  min-height: 48px;
  min-width: 48px;
  background: transparent;
  border: none;
  color: #ffffff;
  font-size: 24px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}



/* ===== v20260720140000: デザイン特化全面リデザイン（ヒーロー、タイポグラフィ、アニメーション、モバイル、カード型UI） ===== */

/* ① ヒーローセクションを彩度の高いブランドグラデーションへ刷新し、視線誘導を強化 */
.hero-intent-banner {
    background: linear-gradient(135deg, #1E3A8A 0%, #2563EB 45%, #06B6D4 100%) !important;
    padding: 40px 20px !important;
    text-align: left !important;
    position: relative !important;
    overflow: hidden !important;
    border-radius: 0 0 24px 24px !important;
}

.hero-intent-banner::before {
    content: "" !important;
    position: absolute !important;
    top: -40% !important;
    right: -10% !important;
    width: 320px !important;
    height: 320px !important;
    background: radial-gradient(circle, rgba(255,255,255,0.18) 0%, rgba(255,255,255,0) 70%) !important;
    pointer-events: none !important;
}

.hero-headline {
    color: #FFFFFF !important;
    font-size: clamp(22px, 5vw, 32px) !important;
    font-weight: 800 !important;
    line-height: 1.35 !important;
    margin: 0 0 12px !important;
    letter-spacing: 0.01em !important;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
    position: relative !important;
    z-index: 1 !important;
}

.hero-subtext {
    color: rgba(255, 255, 255, 0.92) !important;
    font-size: 15px !important;
    line-height: 1.6 !important;
    margin: 0 !important;
    max-width: 560px !important;
    position: relative !important;
    z-index: 1 !important;
}

/* ② フォントスタックとタイプスケールを再定義し、情報の優先度を視覚化 */
body {
    font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: #1F2937;
    -webkit-font-smoothing: antialiased;
}

h2 {
    font-size: clamp(20px, 4vw, 26px);
    font-weight: 700;
    color: #111827;
    margin: 32px 0 16px;
    letter-spacing: 0.01em;
}

h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1F2937;
    margin: 0 0 8px;
}

.scene-card h3, .scene-card__title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: #1E3A8A !important;
    line-height: 1.4 !important;
}

.benefit-list li, .scene-card__bullets li {
    font-size: 14px;
    color: #4B5563;
    line-height: 1.6;
    margin-bottom: 6px;
}

.urgency-text, .scene-card__urgency {
    font-size: 13px;
    font-weight: 600;
    color: #DC2626;
    margin-top: 8px;
}

/* ③ ホバー・タップ時のフィードバックアニメーションを追加し、操作の手応えを演出 */
.affiliate-cta, .scene-card__cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #2563EB 0%, #1E3A8A 100%) !important;
    color: #fff !important;
    font-weight: 700 !important;
    padding: 12px 24px !important;
    border-radius: 8px !important;
    text-decoration: none !important;
    min-width: 48px !important;
    min-height: 48px !important;
    box-shadow: 0 2px 6px rgba(37, 99, 235, 0.25) !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease !important;
}

.affiliate-cta:hover, .scene-card__cta:hover {
    transform: translateY(-2px) scale(1.02) !important;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35) !important;
    background: linear-gradient(135deg, #1D4ED8 0%, #1E3A8A 100%) !important;
}

.affiliate-cta:active, .scene-card__cta:active {
    transform: translateY(0) scale(0.98) !important;
}

.affiliate-cta:focus-visible, .scene-card__cta:focus-visible {
    outline: 3px solid #93C5FD !important;
    outline-offset: 2px !important;
}

.scene-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    padding: 20px;
    border-radius: 12px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease !important;
}

.scene-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08) !important;
    border-color: #93C5FD !important;
}

@media (prefers-reduced-motion: reduce) {
    .affiliate-cta,
    .scene-card,
    .scene-card__cta {
        transition: none !important;
    }
    .affiliate-cta:hover,
    .scene-card:hover,
    .scene-card__cta:hover {
        transform: none !important;
    }
}

/* ④ モバイルレイアウト全面リデザイン（縦積み＆タップ領域最適化） */
.scene-card-list, .scene-cards-grid {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    padding-bottom: 8px;
}

.scene-card {
    scroll-snap-align: start;
}

@media (max-width: 768px) {
    .scene-card-list, .scene-cards-grid {
        flex-direction: column !important;
        overflow-x: hidden !important;
        scroll-snap-type: none !important;
        display: flex !important;
    }

    .scene-card {
        width: 100% !important;
        flex-shrink: 1 !important;
        padding: 20px 16px !important;
    }

    .affiliate-cta, .scene-card__cta {
        width: 100% !important;
        display: flex !important;
        margin-top: 16px !important;
        padding: 14px 20px !important;
        font-size: 16px !important;
    }

    .scene-card + .scene-card {
        margin-top: 12px !important;
    }

    .benefit-list li, .scene-card__bullets li {
        font-size: 15px;
        margin-bottom: 8px;
    }
}

/* ⑤ カード型UIによる関連ツール回遊導線の再設計 */
.related-tools-grid {
    margin-top: 40px;
    margin-bottom: 40px;
}

.related-tools-grid .section-heading {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    margin-bottom: 16px;
    border-left: 4px solid #2563EB;
    padding-left: 12px;
}

.related-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-top: 12px;
}

.related-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 20px;
    background: #F8FAFC;
    border: 1px solid #E5E7EB;
    border-radius: 12px;
    text-decoration: none !important;
    color: #1F2937;
    min-height: 48px;
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.related-card:hover {
    border-color: #2563EB;
    background: #EFF6FF;
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.12);
}

.related-card-icon {
    font-size: 24px;
    margin-bottom: 4px;
}

.related-card-title {
    font-weight: 700;
    font-size: 16px;
    color: #1E3A8A;
}



/* ===== v2026072014: CLS（累積レイアウトシフト）対策＆Webフォント最適化 ===== */
.scene-card {
    min-height: 180px;
    contain: layout style;
}

.affiliate-container {
    min-height: 56px;
    display: block;
}

@font-face {
    font-family: "Noto Sans JP";
    src: url("/assets/fonts/NotoSansJP-Regular.woff2?v=20260720141500") format("woff2");
    font-display: swap;
    font-weight: 400 700;
}

body {
    size-adjust: 100%;
}

/* ===== v20260725101500: デザイン特化全面リデザイン（ホバーエフェクト、CTAボタン階層、レスポンシブ極小幅、トラストバッジ） ===== */

/* ① scene-card / category-card のホバーエフェクト外部CSS化 */
.scene-card {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

.scene-card:hover {
    transform: translateY(-6px) scale(1.02) !important;
    box-shadow: 0 14px 28px rgba(30, 58, 138, 0.16) !important;
    border-color: rgba(37, 99, 235, 0.4) !important;
}

.scene-card:hover .scene-badge {
    transform: translateX(2px) !important;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1) !important;
}

.scene-card:active {
    transform: translateY(-2px) scale(0.99) !important;
}

.scene-card.active {
    border-color: #2563eb !important;
    box-shadow: 0 10px 24px rgba(37, 99, 235, 0.18) !important;
}

.category-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease !important;
}

.category-card:hover {
    transform: translateY(-4px) !important;
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.08) !important;
}

@media (prefers-reduced-motion: reduce) {
    .scene-card, .scene-card:hover, .category-card, .category-card:hover {
        transition: none !important;
        transform: none !important;
    }
}

/* ③ CTAボタンの視覚的階層再設計 */
.btn-primary {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: linear-gradient(135deg, var(--color-primary, #2563EB) 0%, #1E3A8A 100%) !important;
    color: #fff !important;
    padding: 14px 28px !important;
    border-radius: 10px !important;
    text-decoration: none !important;
    font-weight: 800 !important;
    font-size: 1rem !important;
    min-height: 48px !important;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.3) !important;
    transition: transform 0.18s ease, box-shadow 0.18s ease !important;
}

.btn-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.4) !important;
}

.btn-secondary {
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    background: #fff !important;
    color: var(--color-text-secondary, #475569) !important;
    border: 1px solid #E2E8F0 !important;
    padding: 12px 22px !important;
    border-radius: 10px !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    font-size: 0.9rem !important;
    min-height: 48px !important;
    opacity: 0.85 !important;
    transition: opacity 0.18s ease, border-color 0.18s ease !important;
}

.btn-secondary:hover {
    opacity: 1 !important;
    border-color: var(--color-primary, #2563EB) !important;
}

/* ④ scene-card-grid の極小幅(320px)対応 */
.scene-card-grid--responsive {
    grid-template-columns: 1fr !important;
}

@media (min-width: 480px) {
    .scene-card-grid--responsive {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

@media (min-width: 768px) {
    .scene-card-grid--responsive {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)) !important;
    }
}

/* ⑤ トラストバッジのデザイン強化 */
.badge {
    display: inline-flex !important;
    align-items: center !important;
    gap: 4px !important;
    font-size: 12.5px !important;
    font-weight: 700 !important;
    padding: 6px 14px !important;
    border-radius: 99px !important;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08) !important;
}

.badge-primary {
    background: #FFFFFF !important;
    color: #1E3A8A !important;
    border: 1px solid #DBEAFE !important;
}

.badge-primary::before {
    content: "✓";
    color: #16A34A;
    font-weight: 800;
}

/* v20260725102000: index.phpのシーンカード領域で多用されているインラインstyleを
   外部CSSクラスへ段階的に移行する第一弾（sales/profit/pricing/allの4パターン） */
.scene-card--sales {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
}
.scene-card--sales h3 {
    color: #1e3a8a !important;
}
.scene-card--sales .scene-badge {
    color: #2563eb !important;
}

.scene-card--profit {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%) !important;
}
.scene-card--profit h3 {
    color: #14532d !important;
}
.scene-card--profit .scene-badge {
    color: #16a34a !important;
}

.scene-card--pricing {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%) !important;
}
.scene-card--pricing h3 {
    color: #78350f !important;
}
.scene-card--pricing .scene-badge {
    color: #d97706 !important;
}

.scene-card--all {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e7eb 100%) !important;
    border-color: #9ca3af !important;
}
.scene-card--all h3 {
    color: #1f2937 !important;
}
.scene-card--all .scene-badge {
    color: #fff !important;
    background: #9ca3af !important;
}

/* v20260725103000: 計算結果直下のアフィリエイトCTA用パルス発光アニメーション & マイクロコピースタイル */
.affiliate-container--post-result .affiliate-cta {
    position: relative !important;
    animation: sc-cta-pulse 2.2s ease-out 3 !important;
}

@keyframes sc-cta-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.45);
    }
    70% {
        box-shadow: 0 0 0 14px rgba(37, 99, 235, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
    }
}

.affiliate-reassurance {
    margin-top: 8px !important;
    font-size: 12.5px !important;
    color: #64748B !important;
    line-height: 1.6 !important;
}

@media (prefers-reduced-motion: reduce) {
    .affiliate-container--post-result .affiliate-cta {
        animation: none !important;
    }
}