/* ============================================
   AI金庫 LP共通スタイルシート
   --------------------------------------------
   /business/, /pro/law/, /pro/accounting/, /research/
   など、新デザインシステム準拠LPで共有される全CSS。

   各LPは以下の <link> タグでこのファイルを参照:
     <link rel="stylesheet" href="/assets/css/ai-kinko.css">

   LP固有のオーバーライドが必要な場合は、各LPの
   <style> ブロックに最小限だけ記述すること。

   設計参照: docs/ai-kinko-design-system.md
   実装の元: public/business/index.html (canonical)
   ============================================ */

:root {
  /* Colors */
  --color-bg-primary: #ffffff;
  --color-bg-cream: #f6f4ed;
  --color-bg-cream-dark: #ede9dc;
  --color-bg-dark: #1a1a1a;
  --color-bg-dark-secondary: #2d2d2d;
  --color-text-primary: #333333;
  --color-text-secondary: #444139;
  --color-text-muted: #6b6b6b;
  --color-text-on-dark: #ffffff;
  --color-text-on-dark-muted: rgba(255, 255, 255, 0.75);
  --color-accent: #aa8d40;
  --color-accent-hover: #998b64;
  --color-accent-light: #d4b76a;
  --color-accent-dark: #7a6428;
  --color-border: #e5e0d3;
  --color-border-dark: rgba(255, 255, 255, 0.15);

  /* Typography */
  --font-jp-sans: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --font-jp-serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --font-en-sans: "Outfit", -apple-system, sans-serif;

  /* Spacing */
  --space-section: clamp(80px, 12vw, 160px);
  --space-section-sm: clamp(60px, 8vw, 100px);
  --container-width: 1200px;
  --container-text: 720px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-en-sans), var(--font-jp-sans);
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* === Container === */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: clamp(20px, 5vw, 48px);
  padding-right: clamp(20px, 5vw, 48px);
}

.container-text {
  max-width: var(--container-text);
  margin: 0 auto;
}

/* === Eyebrow (section label) === */
.eyebrow {
  display: inline-block;
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
}

.eyebrow-line::before {
  content: '';
  display: inline-block;
  width: 32px;
  height: 1px;
  background-color: var(--color-accent);
  vertical-align: middle;
  margin-right: 16px;
}

/* === Header === */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  background: rgba(26, 26, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s ease;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-jp-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-on-dark);
  text-decoration: none;
  letter-spacing: 0.05em;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo-mark {
  color: var(--color-accent-light);
  font-family: var(--font-en-sans);
  font-weight: 300;
  font-size: 18px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-on-dark);
  background: transparent;
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  text-decoration: none;
  letter-spacing: 0.1em;
  transition: all 0.3s ease;
}

.header-cta:hover {
  background: var(--color-accent);
}

.header-cta::after {
  content: '→';
  font-family: var(--font-en-sans);
}

/* === Hero Section === */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 120px 0 80px;
}

/* 重厚な金庫のテクスチャ背景 */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(170, 141, 64, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(170, 141, 64, 0.06) 0%, transparent 50%),
    linear-gradient(135deg, #1a1a1a 0%, #232220 100%);
  z-index: 0;
}

/* 微細なノイズ */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.04;
  z-index: 1;
  pointer-events: none;
}

/* 金庫の意匠(装飾要素) */
.hero-ornament {
  position: absolute;
  top: 50%;
  right: -100px;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  z-index: 1;
  opacity: 0.6;
  pointer-events: none;
}

.hero-ornament svg {
  width: 100%;
  height: 100%;
}

.hero .container {
  position: relative;
  z-index: 2;
  width: 100%;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.3fr 1fr;
  }
}

.hero-eyebrow {
  margin-bottom: 32px;
  opacity: 0;
  animation: fadeInUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: var(--font-jp-serif);
  font-size: clamp(40px, 7vw, 88px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 32px;
  color: var(--color-text-on-dark);
  opacity: 0;
  animation: fadeInUp 0.9s 0.4s ease forwards;
}

.hero-title .accent {
  color: var(--color-accent-light);
  font-style: normal;
}

.hero-sub {
  font-family: var(--font-jp-serif);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--color-accent-light);
  margin-bottom: 40px;
  letter-spacing: 0.05em;
  opacity: 0;
  animation: fadeInUp 0.9s 0.6s ease forwards;
}

.hero-body {
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--color-text-on-dark-muted);
  max-width: 520px;
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeInUp 0.9s 0.8s ease forwards;
}

.hero-body strong {
  color: var(--color-text-on-dark);
  font-weight: 500;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
  opacity: 0;
  animation: fadeInUp 0.9s 1s ease forwards;
}

.hero-notice {
  margin-top: 40px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--color-accent-light);
  opacity: 0;
  animation: fadeInUp 0.9s 1.2s ease forwards;
  font-weight: 500;
}

.hero-notice::before {
  content: '●';
  font-size: 8px;
  color: var(--color-accent);
  margin-right: 12px;
  vertical-align: middle;
  animation: pulse 2s infinite;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 18px 36px;
  font-family: var(--font-en-sans), var(--font-jp-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-accent);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(170, 141, 64, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(170, 141, 64, 0.4);
}

.btn-primary::after {
  content: '→';
  font-family: var(--font-en-sans);
  font-size: 18px;
  transition: transform 0.3s ease;
}

.btn-primary:hover::after {
  transform: translateX(4px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-accent-light);
  border: 1px solid var(--color-accent-light);
}

.btn-secondary:hover {
  background-color: var(--color-accent-light);
  color: var(--color-bg-dark);
  border-color: var(--color-accent-light);
}

/* === Common Section === */
.section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  position: relative;
}

.section-cream {
  background-color: var(--color-bg-cream);
}

.section-cream::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
}

.section-dark {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
}

.section > .container {
  position: relative;
  z-index: 1;
}

/* === Section 2: Common Pain === */
.pain-common {
  background-color: var(--color-bg-cream);
  position: relative;
}

.pain-common::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
}

.pain-common .container {
  position: relative;
  z-index: 1;
}

.pain-headline {
  text-align: center;
  margin-bottom: 80px;
}

.pain-headline .eyebrow {
  margin-bottom: 24px;
}

.pain-title {
  font-family: var(--font-jp-serif);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
}

.pain-body {
  max-width: 720px;
  margin: 0 auto;
}

.pain-body p {
  font-family: var(--font-jp-serif);
  font-size: clamp(17px, 1.8vw, 21px);
  line-height: 2.1;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  text-align: center;
  font-weight: 400;
}

.pain-conclusion {
  margin-top: 80px !important;
  padding-top: 60px;
  border-top: 1px solid var(--color-border);
  font-weight: 600 !important;
  font-size: clamp(20px, 2.4vw, 26px) !important;
  color: var(--color-text-primary) !important;
  position: relative;
}

.pain-conclusion::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 1px;
  background-color: var(--color-accent);
}

/* === Section 3: Industry Cards === */
.pain-industry {
  background-color: var(--color-bg-primary);
}

.pain-industry .pain-headline {
  margin-bottom: 64px;
}

.industry-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 80px;
}

@media (min-width: 640px) {
  .industry-cards {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .industry-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1280px) {
  .industry-cards {
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
  }
}

.industry-card {
  background: var(--color-bg-cream);
  border: 1px solid transparent;
  padding: 36px 28px;
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.industry-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.industry-card:hover {
  background: var(--color-bg-primary);
  border-color: var(--color-border);
  box-shadow: 0 12px 40px rgba(170, 141, 64, 0.08);
  transform: translateY(-4px);
}

.industry-card:hover::before {
  width: 100%;
}

.industry-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 24px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.industry-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5;
}

.industry-card h3 {
  font-family: var(--font-jp-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.industry-items {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}

.industry-comment {
  font-family: var(--font-jp-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-accent);
  font-style: italic;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
  letter-spacing: 0.02em;
}

.industry-summary {
  text-align: center;
  padding: 48px;
  background: var(--color-bg-cream);
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

.industry-summary p {
  font-family: var(--font-jp-serif);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.industry-summary strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* === Section 4: Generation Story === */
.generation {
  background: linear-gradient(180deg, #1a1a1a 0%, #2d2d2d 100%);
  color: var(--color-text-on-dark);
  position: relative;
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}

.generation::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(170, 141, 64, 0.10) 0%, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(170, 141, 64, 0.05) 0%, transparent 60%);
  pointer-events: none;
}

.generation::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

.generation .container {
  position: relative;
  z-index: 1;
}

.generation-content {
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

/* 大きな引用符の装飾 */
.generation-content::before {
  content: '"';
  position: absolute;
  top: -40px;
  left: -40px;
  font-family: var(--font-jp-serif);
  font-size: 200px;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
  pointer-events: none;
}

@media (max-width: 768px) {
  .generation-content::before {
    font-size: 120px;
    top: -20px;
    left: -10px;
  }
}

.generation-eyebrow {
  text-align: center;
  margin-bottom: 32px;
}

.generation-title {
  font-family: var(--font-jp-serif);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-text-on-dark);
  text-align: center;
  margin-bottom: 80px;
  letter-spacing: 0.02em;
}

.generation-paragraph {
  font-family: var(--font-jp-serif);
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 2.2;
  color: var(--color-text-on-dark-muted);
  margin-bottom: 36px;
  letter-spacing: 0.04em;
  text-align: center;
}

.generation-paragraph.list-style {
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 2.5;
  color: var(--color-text-on-dark);
  font-weight: 500;
}

.generation-divider {
  width: 60px;
  height: 1px;
  background: var(--color-accent);
  margin: 80px auto;
  position: relative;
}

.generation-divider::before {
  content: '';
  position: absolute;
  top: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 7px;
  height: 7px;
  background: var(--color-accent);
  border-radius: 50%;
}

.generation-emphasis {
  font-family: var(--font-jp-serif);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.8;
  color: var(--color-accent-light);
  text-align: center;
  font-weight: 500;
  margin-bottom: 60px !important;
  letter-spacing: 0.04em;
}

.generation-conclusion {
  margin-top: 100px;
  padding: 48px;
  border-left: 2px solid var(--color-accent);
  background: rgba(170, 141, 64, 0.05);
}

.generation-conclusion p {
  font-family: var(--font-jp-sans);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.9;
  color: var(--color-text-on-dark);
  margin: 0;
  letter-spacing: 0.04em;
  text-align: left;
}

.generation-conclusion strong {
  color: var(--color-accent-light);
  font-weight: 600;
  font-family: var(--font-jp-serif);
}

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Scroll-triggered animations */
.fade-in-section {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s ease, transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* === Responsive === */
@media (max-width: 768px) {
  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }
  
  .hero-ornament {
    display: none;
  }

  .pain-headline {
    margin-bottom: 56px;
  }

  .industry-summary {
    padding: 32px 24px;
  }

  .generation-conclusion {
    padding: 32px 24px;
  }
}

/* === Selection === */
::selection {
  background-color: var(--color-accent);
  color: white;
}

/* === Focus === */
:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* === Common: Section Headline === */
.section-headline {
  text-align: center;
  margin-bottom: 64px;
}

.section-headline .eyebrow {
  margin-bottom: 24px;
}

.section-title {
  font-family: var(--font-jp-serif);
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

.section-lead {
  font-family: var(--font-jp-sans);
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto;
  letter-spacing: 0.02em;
}

/* === Section 5: How it Works === */
.how-it-works {
  background-color: var(--color-bg-primary);
}

.how-diagram {
  margin: 0 auto 80px;
  max-width: 720px;
  padding: clamp(32px, 5vw, 60px) clamp(20px, 4vw, 48px);
  background: var(--color-bg-cream);
  border: 1px solid var(--color-border);
  border-radius: 2px;
}

.how-diagram svg {
  width: 100%;
  height: auto;
  display: block;
}

.how-diagram-caption {
  text-align: center;
  margin-top: 24px;
  font-family: var(--font-jp-serif);
  font-size: 13px;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.how-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  margin-top: 64px;
}

@media (min-width: 768px) {
  .how-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.how-step {
  position: relative;
  padding-top: 16px;
}

.how-step-number {
  display: block;
  font-family: var(--font-en-sans);
  font-size: clamp(48px, 5vw, 64px);
  font-weight: 300;
  line-height: 1;
  color: var(--color-accent);
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.how-step-title {
  font-family: var(--font-jp-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.how-step-body {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

/* === Section 6: Comparison === */
.comparison {
  background-color: var(--color-bg-cream);
  position: relative;
}

.comparison::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
}

.comparison .container {
  position: relative;
  z-index: 1;
}

.comparison-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 -16px;
  padding: 0 16px 8px;
}

.comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  background: var(--color-bg-primary);
  border-radius: 2px;
  overflow: hidden;
  font-family: var(--font-jp-sans);
}

.comparison-table th,
.comparison-table td {
  padding: 18px 16px;
  text-align: center;
  font-size: 14px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: middle;
}

.comparison-table thead th {
  font-family: var(--font-jp-serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg-cream);
  letter-spacing: 0.03em;
  padding-top: 24px;
  padding-bottom: 24px;
}

.comparison-table thead th small {
  display: block;
  font-family: var(--font-en-sans);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-top: 6px;
  opacity: 0.7;
  text-transform: uppercase;
}

.comparison-table th.col-aikinko {
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  font-size: 16px;
}

.comparison-table th.col-aikinko small {
  opacity: 0.85;
}

.comparison-table tbody td.feature-name,
.comparison-table thead th.feature-name {
  text-align: left;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-bg-cream);
  font-size: 14px;
}

.comparison-table td.col-aikinko {
  background: rgba(170, 141, 64, 0.08);
  color: var(--color-text-secondary);
  font-weight: 500;
  border-left: 1px solid rgba(170, 141, 64, 0.25);
  border-right: 1px solid rgba(170, 141, 64, 0.25);
}

.comparison-table tbody tr:last-child td {
  border-bottom: none;
}

.comparison-table tbody tr:last-child td.col-aikinko {
  border-bottom: 2px solid var(--color-accent);
}

.comparison-mark {
  display: inline-block;
  font-family: var(--font-en-sans);
  font-size: 16px;
  margin-right: 4px;
  font-weight: 600;
}

.comparison-mark.good { color: var(--color-success); }
.comparison-mark.warn { color: var(--color-warning); }
.comparison-mark.bad { color: var(--color-error); }
.comparison-mark.aikinko { color: var(--color-accent-dark); }

.comparison-star {
  display: inline-block;
  margin-left: 4px;
  color: var(--color-accent);
  font-family: var(--font-en-sans);
  font-size: 12px;
  vertical-align: middle;
}

.comparison-note {
  margin-top: 32px;
  padding: 24px 28px;
  border-left: 2px solid var(--color-accent);
  background: rgba(170, 141, 64, 0.05);
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
}

.comparison-note p {
  margin-bottom: 8px;
}

.comparison-note p:last-child {
  margin-bottom: 0;
}

.comparison-note strong {
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* === Section 7: Use Cases === */
.use-cases {
  background-color: var(--color-bg-primary);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .use-cases-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.use-case-card {
  background: var(--color-bg-cream);
  border: 1px solid transparent;
  padding: 40px 32px;
  border-radius: 2px;
  position: relative;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.use-case-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--color-accent);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.use-case-card:hover {
  background: var(--color-bg-primary);
  border-color: var(--color-border);
  box-shadow: 0 12px 40px rgba(170, 141, 64, 0.08);
  transform: translateY(-4px);
}

.use-case-card:hover::before {
  width: 100%;
}

.use-case-icon {
  width: 44px;
  height: 44px;
  margin-bottom: 28px;
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

.use-case-icon svg {
  width: 100%;
  height: 100%;
  stroke-width: 1.5;
}

.use-case-card h3 {
  font-family: var(--font-jp-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 16px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.use-case-body {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}

.use-case-note {
  font-family: var(--font-jp-serif);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-accent);
  font-style: italic;
  padding-top: 16px;
  border-top: 1px dashed var(--color-border);
  letter-spacing: 0.02em;
}

/* === Section 8: Plans === */
.plans {
  background-color: var(--color-bg-cream);
  position: relative;
}

.plans::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
}

.plans .container { position: relative; z-index: 1; }

.plans-group { margin-bottom: 60px; }
.plans-group:last-of-type { margin-bottom: 0; }

.plans-group-label {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  text-align: center;
  margin-bottom: 12px;
  font-weight: 600;
}

.plans-group-title {
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  letter-spacing: 0.04em;
}

.plans-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

@media (min-width: 768px) {
  .plans-grid { grid-template-columns: repeat(2, 1fr); }
}

.plan-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  padding: 40px 32px;
  border-radius: 2px;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.plan-card.recommended {
  border-color: var(--color-accent);
  border-width: 2px;
  box-shadow: 0 8px 32px rgba(170, 141, 64, 0.12);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  font-family: var(--font-en-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 6px 18px;
  border-radius: 2px;
  text-transform: uppercase;
  white-space: nowrap;
}

.plan-name {
  font-family: var(--font-jp-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.plan-tagline {
  font-family: var(--font-jp-serif);
  font-size: 14px;
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: 24px;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.plan-price-block {
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 24px;
}

.plan-price-main {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 6px;
}

.plan-price-amount {
  font-family: var(--font-en-sans);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text-secondary);
  line-height: 1;
  letter-spacing: -0.02em;
}

.plan-price-amount.ask {
  font-size: 22px;
  font-family: var(--font-jp-sans);
}

.plan-price-unit {
  font-size: 14px;
  color: var(--color-text-muted);
  font-weight: 500;
}

.plan-price-init {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 8px;
  letter-spacing: 0.02em;
  line-height: 1.6;
}

.plan-per-person {
  font-family: var(--font-en-sans);
  font-size: 12px;
  color: var(--color-accent-dark);
  margin-top: 4px;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  flex-grow: 1;
}

.plan-features li {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-primary);
  padding: 8px 0 8px 26px;
  position: relative;
  letter-spacing: 0.02em;
}

.plan-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 14px;
  width: 12px;
  height: 6px;
  border-left: 2px solid var(--color-accent);
  border-bottom: 2px solid var(--color-accent);
  transform: rotate(-45deg);
}

.plan-campaign {
  background: rgba(170, 141, 64, 0.08);
  border-left: 3px solid var(--color-accent);
  padding: 12px 16px;
  margin-bottom: 8px;
  font-family: var(--font-jp-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent-dark);
  letter-spacing: 0.02em;
}

.plan-details {
  margin-top: 12px;
  border-top: 1px dashed var(--color-border);
  padding-top: 16px;
}

.plan-details summary {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.04em;
  user-select: none;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.plan-details summary::-webkit-details-marker { display: none; }

.plan-details summary::before {
  content: '+';
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border: 1px solid var(--color-border-medium);
  border-radius: 50%;
  font-family: var(--font-en-sans);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-accent);
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.plan-details[open] summary::before { content: '−'; border-color: var(--color-accent); }
.plan-details summary:hover { color: var(--color-accent); }
.plan-details summary:hover::before { border-color: var(--color-accent); }

.plan-details-body {
  padding: 16px 30px 4px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.plan-details-body ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px 0;
}

.plan-details-body ul li {
  padding: 4px 0 4px 14px;
  position: relative;
}

.plan-details-body ul li::before {
  content: '・';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}

.plan-details-body .note {
  font-size: 12px;
  color: var(--color-text-muted);
  font-style: italic;
  margin-top: 8px;
  letter-spacing: 0.02em;
}

.plans-shared-info {
  margin-top: 60px;
  padding: 32px clamp(24px, 4vw, 40px);
  background: rgba(170, 141, 64, 0.06);
  border: 1px solid rgba(170, 141, 64, 0.2);
  border-radius: 2px;
}

.plans-shared-info ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plans-shared-info li {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-secondary);
  padding: 6px 0 6px 28px;
  position: relative;
  letter-spacing: 0.02em;
}

.plans-shared-info li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--color-accent);
  font-family: var(--font-en-sans);
  font-weight: 600;
  font-size: 16px;
}

/* === Section 9: Plan Diagnosis === */
.plan-diagnosis {
  background-color: var(--color-bg-primary);
}

.diagnosis-wrap {
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-bg-cream);
  padding: 48px clamp(24px, 5vw, 56px);
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

.diagnosis-step { margin-bottom: 32px; }
.diagnosis-step:last-of-type { margin-bottom: 0; }
.diagnosis-step.is-hidden { display: none; }

.diagnosis-step-label {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.diagnosis-question {
  font-family: var(--font-jp-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.diagnosis-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 600px) {
  .diagnosis-options { grid-template-columns: repeat(3, 1fr); }
  .diagnosis-options.cols-2 { grid-template-columns: repeat(2, 1fr); }
}

.diagnosis-option {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-medium);
  padding: 16px 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-jp-sans);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  border-radius: 2px;
  user-select: none;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.diagnosis-option:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.diagnosis-option.is-selected {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-on-dark);
}

.diagnosis-result {
  margin-top: 8px;
  padding: 28px clamp(20px, 4vw, 32px);
  background: rgba(170, 141, 64, 0.08);
  border-left: 3px solid var(--color-accent);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.diagnosis-result.is-visible { opacity: 1; transform: translateY(0); }
.diagnosis-result.is-hidden { display: none; }

.diagnosis-result-eyebrow {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.diagnosis-result-text {
  font-family: var(--font-jp-serif);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  letter-spacing: 0.03em;
  margin-bottom: 16px;
}

.diagnosis-result-text strong {
  color: var(--color-accent-dark);
  font-weight: 700;
  font-size: 22px;
}

.diagnosis-result-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-en-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-accent);
  text-decoration: none;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--color-accent);
  padding-bottom: 2px;
  transition: all 0.2s ease;
}

.diagnosis-result-cta:hover {
  color: var(--color-accent-dark);
  border-bottom-color: var(--color-accent-dark);
}

.diagnosis-result-cta::after { content: '→'; }

/* === Section 10: Options === */
.options {
  background-color: var(--color-bg-cream);
  position: relative;
}

.options::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
}

.options .container { position: relative; z-index: 1; }

.options-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px)  { .options-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .options-grid { grid-template-columns: repeat(4, 1fr); } }

.option-card {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  padding: 32px 24px;
  border-radius: 2px;
  text-align: center;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}

.option-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 4px 16px rgba(170, 141, 64, 0.08);
  transform: translateY(-2px);
}

.option-icon {
  width: 36px;
  height: 36px;
  margin: 0 auto 20px;
  color: var(--color-accent);
}

.option-icon svg { width: 100%; height: 100%; stroke-width: 1.5; }

.option-card h3 {
  font-family: var(--font-jp-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  letter-spacing: 0.03em;
}

.option-body {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  line-height: 1.75;
  color: var(--color-text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.02em;
  flex-grow: 1;
}

.option-price {
  font-family: var(--font-en-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.02em;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.option-price.ask {
  font-size: 14px;
  font-family: var(--font-jp-sans);
}

/* === Section 11: Support === */
.support {
  background-color: var(--color-bg-primary);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 64px;
}

@media (min-width: 768px) {
  .support-grid { grid-template-columns: repeat(2, 1fr); }
}

.support-card {
  background: var(--color-bg-cream);
  padding: 40px clamp(24px, 4vw, 40px);
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

.support-icon {
  width: 40px;
  height: 40px;
  margin-bottom: 24px;
  color: var(--color-accent);
}

.support-icon svg { width: 100%; height: 100%; stroke-width: 1.5; }

.support-card h3 {
  font-family: var(--font-jp-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  letter-spacing: 0.03em;
}

.support-body {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 16px;
}

.support-note {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
  margin-top: 16px;
}

.support-area-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0 8px;
  font-family: var(--font-jp-sans);
}

.support-area-table th,
.support-area-table td {
  padding: 12px 8px;
  text-align: left;
  font-size: 13px;
  border-bottom: 1px solid var(--color-border);
  letter-spacing: 0.02em;
}

.support-area-table th {
  font-weight: 500;
  color: var(--color-text-secondary);
  width: 60%;
}

.support-area-table td {
  color: var(--color-text-primary);
  text-align: right;
  font-family: var(--font-en-sans);
  font-weight: 500;
}

.support-footer-message {
  text-align: center;
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 500;
  color: var(--color-text-secondary);
  line-height: 1.7;
  letter-spacing: 0.05em;
  margin-top: 64px;
}

.support-footer-message::before,
.support-footer-message::after {
  content: '';
  display: block;
  width: 40px;
  height: 1px;
  background: var(--color-accent);
  margin: 0 auto;
}

.support-footer-message::before { margin-bottom: 32px; }
.support-footer-message::after  { margin-top: 32px; }

.support-footer-message strong {
  color: var(--color-accent-dark);
  font-weight: 600;
}

/* === Section 12: How to Apply === */
.how-to-apply {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  position: relative;
}

.how-to-apply::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(170, 141, 64, 0.10) 0%, transparent 60%),
    radial-gradient(circle at 70% 80%, rgba(170, 141, 64, 0.04) 0%, transparent 60%);
  pointer-events: none;
}

.how-to-apply::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
}

.how-to-apply .container { position: relative; z-index: 1; }
.how-to-apply .section-title { color: var(--color-text-on-dark); }
.how-to-apply .section-lead  { color: var(--color-text-on-dark-muted); }

.apply-timeline {
  max-width: 720px;
  margin: 0 auto;
}

.apply-step {
  position: relative;
  padding-left: 80px;
  padding-bottom: 56px;
}

.apply-step:last-child { padding-bottom: 0; }

.apply-step::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 56px;
  bottom: 0;
  width: 1px;
  background: var(--color-border-dark);
}

.apply-step:last-child::before { display: none; }

.apply-step-number {
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-en-sans);
  font-size: 36px;
  font-weight: 300;
  line-height: 1;
  color: var(--color-accent-light);
  letter-spacing: -0.02em;
  width: 56px;
  text-align: left;
}

.apply-step-title {
  font-family: var(--font-jp-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--color-text-on-dark);
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  padding-top: 4px;
}

.apply-step-body {
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-on-dark-muted);
  letter-spacing: 0.02em;
}

.apply-step-notice {
  margin-bottom: 16px;
  padding: 24px clamp(20px, 4vw, 32px);
  border: 1px solid var(--color-accent);
  background: rgba(170, 141, 64, 0.06);
  border-radius: 2px;
}

.apply-step-notice-text {
  font-family: var(--font-jp-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--color-text-on-dark);
  letter-spacing: 0.04em;
}

.apply-step-notice-text strong {
  display: inline-block;
  color: var(--color-accent-light);
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 600;
  margin: 0 4px;
}

/* === Section 13: FAQ === */
.faq {
  background-color: var(--color-bg-cream);
  position: relative;
}

.faq::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.025;
  pointer-events: none;
}

.faq .container { position: relative; z-index: 1; }

.faq-wrap { max-width: 820px; margin: 0 auto; }

.faq-category { margin-bottom: 56px; }
.faq-category:last-child { margin-bottom: 0; }

.faq-category-eyebrow {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
  font-weight: 600;
}

.faq-category-name {
  font-family: var(--font-jp-serif);
  font-size: clamp(20px, 2.4vw, 24px);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 24px;
  letter-spacing: 0.04em;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.faq-item {
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  margin-bottom: 12px;
  border-radius: 2px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item:last-child { margin-bottom: 0; }
.faq-item[open] { border-color: var(--color-accent); }

.faq-item summary {
  font-family: var(--font-jp-sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-secondary);
  cursor: pointer;
  list-style: none;
  padding: 20px 56px 20px 56px;
  position: relative;
  letter-spacing: 0.02em;
  user-select: none;
  line-height: 1.6;
  transition: color 0.2s ease;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before {
  content: 'Q';
  position: absolute;
  left: 24px;
  top: 20px;
  font-family: var(--font-en-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
}

.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-en-sans);
  font-size: 22px;
  font-weight: 300;
  color: var(--color-accent);
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after { content: '−'; }
.faq-item summary:hover { color: var(--color-accent); }

.faq-answer {
  padding: 0 24px 20px 56px;
  position: relative;
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.95;
  color: var(--color-text-primary);
  letter-spacing: 0.02em;
}

.faq-answer::before {
  content: 'A';
  position: absolute;
  left: 24px;
  top: 0;
  font-family: var(--font-en-sans);
  font-size: 16px;
  font-weight: 600;
  color: var(--color-accent);
}

/* === Section 14: Contact Form === */
.contact {
  background-color: var(--color-bg-primary);
}

.contact-wrap {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form {
  background: var(--color-bg-cream);
  padding: clamp(32px, 5vw, 56px);
  border-radius: 2px;
  border: 1px solid var(--color-border);
}

.contact-field { margin-bottom: 24px; }

.contact-label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-jp-sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.contact-required {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-text-on-dark);
  font-family: var(--font-en-sans);
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 2px;
  letter-spacing: 0.1em;
}

.contact-input,
.contact-textarea,
.contact-select {
  display: block;
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-jp-sans);
  font-size: 15px;
  color: var(--color-text-primary);
  background: var(--color-bg-primary);
  border: 1px solid var(--color-border-medium);
  border-radius: 2px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  letter-spacing: 0.02em;
}

.contact-input:focus,
.contact-textarea:focus,
.contact-select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(170, 141, 64, 0.15);
}

.contact-input.is-error,
.contact-textarea.is-error,
.contact-select.is-error {
  border-color: var(--color-error);
  background: rgba(166, 73, 66, 0.03);
}

.contact-textarea {
  min-height: 140px;
  resize: vertical;
  line-height: 1.7;
}

.contact-error-msg {
  display: none;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-error);
  font-family: var(--font-jp-sans);
  letter-spacing: 0.02em;
}

.contact-input.is-error ~ .contact-error-msg,
.contact-textarea.is-error ~ .contact-error-msg,
.contact-select.is-error ~ .contact-error-msg {
  display: block;
}

.contact-checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  margin-top: 8px;
}

.contact-checkbox {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.contact-checkbox.is-error {
  outline: 2px solid var(--color-error);
}

.contact-checkbox-label {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-primary);
  cursor: pointer;
  letter-spacing: 0.02em;
}

.contact-checkbox-label a {
  color: var(--color-accent);
  text-decoration: underline;
}

.contact-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.contact-submit {
  display: block;
  width: 100%;
  margin-top: 32px;
  padding: 18px;
  font-family: var(--font-en-sans), var(--font-jp-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-text-on-dark);
  background: var(--color-accent);
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(170, 141, 64, 0.25);
}

.contact-submit:hover:not(:disabled) {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(170, 141, 64, 0.35);
}

.contact-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.contact-form-message {
  margin-top: 20px;
  padding: 16px 20px;
  border-radius: 2px;
  font-family: var(--font-jp-sans);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.02em;
}

.contact-form-message.is-error {
  background: rgba(166, 73, 66, 0.08);
  border-left: 3px solid var(--color-error);
  color: var(--color-error);
}

/* === Section 15: Footer === */
.site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-on-dark);
  padding: 80px 0 40px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 30% 20%, rgba(170, 141, 64, 0.06) 0%, transparent 60%);
  pointer-events: none;
}

.site-footer .container { position: relative; z-index: 1; }

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 56px;
  }
}

.footer-brand-logo {
  font-family: var(--font-jp-serif);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-text-on-dark);
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.footer-brand-logo .mark {
  color: var(--color-accent-light);
  font-family: var(--font-en-sans);
  font-weight: 300;
  font-size: 22px;
}

.footer-brand-tag {
  font-family: var(--font-jp-serif);
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-on-dark-muted);
  letter-spacing: 0.04em;
}

.footer-section-title {
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-info {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  line-height: 1.95;
  color: var(--color-text-on-dark-muted);
  letter-spacing: 0.02em;
}

.footer-info p { margin: 0; }

.footer-info a {
  color: var(--color-text-on-dark-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-info a:hover { color: var(--color-accent-light); }

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

.footer-links li { margin-bottom: 10px; }

.footer-links a {
  font-family: var(--font-jp-sans);
  font-size: 13px;
  color: var(--color-text-on-dark-muted);
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}

.footer-links a:hover { color: var(--color-accent-light); }

.footer-copyright {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--color-border-dark);
  font-family: var(--font-en-sans);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--color-text-on-dark-muted);
  opacity: 0.7;
}