/* ============================================
   Philosophy as Code — Luxury Hotel Theme LP
   ============================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Backgrounds — warm dark */
  --bg-primary: #0a0a0a;
  --bg-secondary: #111115;
  --bg-card: rgba(18, 18, 22, 0.9);

  /* Gold accent system */
  --gold: #c9a96e;
  --gold-dim: rgba(201, 169, 110, 0.08);
  --gold-border: rgba(201, 169, 110, 0.25);

  /* Warm neutrals */
  --warm-muted: #8b7355;
  --warm-muted-dim: rgba(139, 115, 85, 0.08);
  --success: #7a9e7e;
  --success-dim: rgba(122, 158, 126, 0.08);

  /* Text hierarchy */
  --white: #e8e4df;
  --gray: #6b6560;
  --gray-light: rgba(232, 228, 223, 0.6);

  /* Typography */
  --font-serif: 'Cormorant Garamond', 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background: var(--bg-primary);
  color: var(--white);
  font-family: var(--font-sans);
  font-weight: 300;
  line-height: 1.8;
  overflow-x: hidden;
  position: relative;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  letter-spacing: 0.02em;
  font-weight: 500;
}

.section-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  margin-bottom: 0.8rem;
  opacity: 0.8;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 2rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--gold);
}

/* ============================================
   Navigation — Hamburger Menu
   ============================================ */
#global-nav {
  position: fixed;
  top: 0;
  right: 0;
  z-index: 1000;
}

#hamburger {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 1002;
  width: 48px;
  height: 48px;
  background: rgba(10, 10, 10, 0.7);
  backdrop-filter: blur(8px);
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0;
  transition: background 0.3s ease;
}

#hamburger:hover {
  background: rgba(10, 10, 10, 0.9);
}

#hamburger span {
  display: block;
  width: 20px;
  height: 1px;
  background: var(--gold);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Hamburger → X animation */
#hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

#hamburger.active span:nth-child(2) {
  opacity: 0;
}

#hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

#nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

#nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

#nav-overlay ul {
  list-style: none;
  padding: 0;
  text-align: center;
}

#nav-overlay ul li {
  margin-bottom: 1.2rem;
}

#nav-overlay ul li a {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--gray-light);
  text-decoration: none;
  letter-spacing: 0.08em;
  transition: color 0.3s ease;
}

#nav-overlay ul li a:hover {
  color: var(--gold);
}

/* --- Layout --- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 8rem 0;
  position: relative;
}

/* --- Section Divider --- */
.divider {
  width: 120px;
  height: 1px;
  margin: 0 auto;
  background: var(--gold-border);
}

/* --- Fade-in Animation --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 1s ease, transform 1s ease;
}

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

/* ============================================
   Hero Section — Craft Book Cover
   ============================================ */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: #c4a86b;
  position: relative;
  overflow: hidden;
  padding: 6rem 0;
}

.hero-main-title {
  margin: 0;
  padding: 0;
}

.hero-en {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(4rem, 10vw, 8rem);
  font-weight: 700;
  text-transform: uppercase;
  color: #1a1a1a;
  line-height: 0.9;
  letter-spacing: -0.02em;
}

.hero-jp {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 400;
  color: #444;
  letter-spacing: 0.2em;
  margin: 0.8rem 0 0.3rem;
}

.hero-author {
  font-family: var(--font-serif);
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: #333;
  margin-top: 2.5rem;
}

.hero-tagline {
  font-family: 'Noto Serif JP', 'Georgia', serif;
  font-size: 3.6rem;
  font-weight: 500;
  color: #1a1a1a;
  margin-top: 2rem;
}

.hero-lead {
  font-family: 'Noto Serif JP', 'Georgia', serif;
  font-size: 2.7rem;
  font-weight: 400;
  color: #444;
  line-height: 1.6;
  margin-top: 1rem;
}

.hero-quote-bottom {
  font-family: 'Dancing Script', cursive;
  font-size: 2.4rem;
  font-weight: 500;
  color: #333;
  margin-top: 3rem;
}

/* ============================================
   Problem Section
   ============================================ */
#why-ai {
  background: var(--bg-secondary);
}

#problem {
  background: var(--bg-primary);
}

.alert-box {
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  padding: 1.8rem 2rem;
  margin-bottom: 1.2rem;
  background: var(--gold-dim);
  position: relative;
}

.alert-box p {
  font-size: 1.05rem;
}

.alert-box .alert-icon {
  color: var(--gold);
  font-size: 0.75rem;
  margin-right: 0.8rem;
  vertical-align: middle;
}

/* ============================================
   Diagnosis Section
   ============================================ */
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.compare-card {
  border: 1px solid;
  border-radius: 2px;
  padding: 2.5rem;
  position: relative;
}

.compare-card.method {
  border-color: rgba(139, 115, 85, 0.3);
  background: var(--warm-muted-dim);
}

.compare-card.philosophy {
  border-color: var(--gold-border);
  background: var(--gold-dim);
}

.compare-card .card-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.compare-card.method .card-label {
  color: var(--warm-muted);
}

.compare-card.philosophy .card-label {
  color: var(--gold);
}

.compare-card h3 {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.compare-card ul {
  list-style: none;
  padding: 0;
}

.compare-card ul li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.95rem;
  color: rgba(232, 228, 223, 0.8);
}

.compare-card ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  font-family: var(--font-serif);
  color: var(--gold-border);
}

.diagnosis-quote {
  margin-top: 3rem;
  padding: 2rem 2.5rem;
  border-left: 1px solid var(--gold);
  background: transparent;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-style: italic;
  color: var(--gray-light);
  line-height: 2;
}

/* ============================================
   Framework Section
   ============================================ */
#framework {
  background: var(--bg-primary);
}

.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-top: 2rem;
}

.layer {
  border: 1px solid rgba(201, 169, 110, 0.12);
  border-radius: 2px;
  padding: 2rem 2.5rem;
  background: var(--bg-card);
  position: relative;
  overflow: hidden;
  transition: border-color 0.4s ease;
}

.layer:hover {
  border-color: var(--gold-border);
}

.layer-number {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.layer h3 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.layer p {
  font-size: 0.9rem;
  color: rgba(232, 228, 223, 0.7);
}

.formula {
  text-align: center;
  margin-top: 2.5rem;
  padding: 2.5rem 2rem;
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  background: var(--gold-dim);
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 500;
  font-style: italic;
  color: var(--gold);
  letter-spacing: 0.08em;
}

/* ============================================
   Origin Section
   ============================================ */
#origin {
  background: var(--bg-primary);
}

#diagnosis {
  background: var(--bg-secondary);
}

.origin-narrative {
  margin-bottom: 2rem;
  font-size: 1rem;
  line-height: 2.2;
}

.origin-narrative p {
  margin-bottom: 0.8rem;
  color: rgba(232, 228, 223, 0.85);
}

.text-accent {
  color: var(--gold);
}

.origin-insight {
  border: 1px solid var(--gold-border);
  border-radius: 2px;
  padding: 2rem;
  margin-bottom: 2rem;
  background: var(--gold-dim);
}

.insight-header {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 500;
  color: var(--gold);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.insight-icon {
  font-size: 0.75rem;
}

.origin-insight p {
  font-size: 0.95rem;
  color: rgba(232, 228, 223, 0.8);
  line-height: 2;
}

.origin-proof {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 2.2;
}

.origin-proof p {
  margin-bottom: 0.8rem;
  color: rgba(232, 228, 223, 0.85);
}

.origin-conclusion {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-left: 1px solid var(--gold-border);
  background: var(--gold-dim);
}

.origin-punchline {
  margin-top: 1rem;
  font-size: 1.05rem;
}

/* ============================================
   Inheritance Section
   ============================================ */
.inheritance-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.inheritance-item {
  border: 1px solid rgba(107, 101, 96, 0.2);
  border-radius: 2px;
  padding: 1.5rem 1rem;
  text-align: center;
  background: var(--bg-card);
  transition: border-color 0.4s ease;
}

.inheritance-item.active {
  border-color: var(--gold-border);
}

.inheritance-icon {
  font-size: 1.5rem;
  color: var(--gray);
  margin-bottom: 0.5rem;
}

.inheritance-item.active .inheritance-icon {
  color: var(--gold);
}

.inheritance-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.inheritance-verdict {
  font-family: var(--font-sans);
  font-size: 0.75rem;
}

.error-text {
  color: var(--warm-muted);
}

.accent-text {
  color: var(--gold);
}

.hero-quote-block {
  margin: 3rem 0 0;
  padding: 2.5rem 0;
  border-top: 1px solid var(--gold-border);
  border-bottom: 1px solid var(--gold-border);
  text-align: center;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-style: italic;
  font-weight: 400;
  color: var(--gold);
  line-height: 2;
  letter-spacing: 0.03em;
}

/* ============================================
   Japan Section
   ============================================ */
#japan {
  background: var(--bg-secondary);
}

#japan .origin-insight {
  border-color: rgba(139, 115, 85, 0.4);
  background: var(--warm-muted-dim);
}

#japan .origin-insight .insight-header {
  color: var(--warm-muted);
}

.japan-paradox {
  margin: 2rem 0;
}

.paradox-item {
  border: 1px solid rgba(139, 115, 85, 0.3);
  border-radius: 2px;
  padding: 2rem;
  background: var(--warm-muted-dim);
}

.paradox-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--warm-muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.paradox-item p:not(.paradox-label) {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(232, 228, 223, 0.85);
}

.japan-shift {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin: 2rem 0;
  padding: 2rem;
  border: 1px solid rgba(201, 169, 110, 0.1);
  border-radius: 2px;
  background: var(--bg-card);
}

.shift-from, .shift-to {
  text-align: center;
}

.shift-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.shift-from p, .shift-to p {
  font-size: 0.9rem;
  color: rgba(232, 228, 223, 0.8);
  margin-bottom: 0.3rem;
}

.shift-verdict {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 0.5rem;
}

.shift-arrow {
  font-size: 1.5rem;
  color: var(--gold);
  font-family: var(--font-serif);
}

/* ============================================
   Method (Coaching) Section
   ============================================ */
#method {
  background: var(--bg-primary);
}

.phase-list {
  margin-top: 2rem;
}

.phase-item {
  display: flex;
  gap: 2rem;
  margin-bottom: 2.5rem;
  align-items: flex-start;
}

.phase-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border: 1px solid var(--gold-border);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.05em;
  position: relative;
}

.phase-number::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 50%;
  width: 1px;
  height: 30px;
  background: var(--gold-border);
}

.phase-item:last-child .phase-number::after {
  display: none;
}

.phase-content h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.phase-content p {
  font-size: 0.9rem;
  color: rgba(232, 228, 223, 0.7);
}

.phase-content .phase-duration {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  opacity: 0.6;
  margin-top: 0.3rem;
}

/* Coaching vs Consulting */
.vs-box {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1.5rem;
  align-items: center;
  margin-top: 3rem;
  padding: 2rem;
  border: 1px solid rgba(201, 169, 110, 0.1);
  border-radius: 2px;
  background: var(--bg-card);
}

.vs-side {
  text-align: center;
}

.vs-side .vs-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.vs-side.consul .vs-label { color: var(--warm-muted); }
.vs-side.coaching .vs-label { color: var(--gold); }

.vs-side h4 {
  font-family: var(--font-serif);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.vs-side p {
  font-size: 0.85rem;
  color: rgba(232, 228, 223, 0.6);
}

.vs-divider {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--gray);
}

/* ============================================
   Evidence Section
   ============================================ */
#evidence {
  background: var(--bg-secondary);
}

.evidence-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2.5rem;
}

.evidence-panel {
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: 2px;
  padding: 2.5rem;
  background: var(--bg-card);
}

.evidence-panel.negative {
  border-color: rgba(139, 115, 85, 0.25);
}

.evidence-panel.positive {
  border-color: var(--gold-border);
}

.evidence-panel .panel-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.evidence-panel .panel-input {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--white);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

.evidence-panel ul {
  list-style: none;
  padding: 0;
}

.evidence-panel ul li {
  padding: 0.4rem 0;
  padding-left: 1.5rem;
  position: relative;
  font-size: 0.9rem;
  line-height: 1.8;
}

.evidence-panel ul li::before {
  content: '—';
  position: absolute;
  left: 0;
  font-family: var(--font-serif);
}

.evidence-panel.negative ul li {
  color: #e0c8a8;
}

.evidence-panel.negative ul li::before {
  color: #d4b898;
}

.evidence-panel.positive ul li {
  color: #c8e8d0;
}

.evidence-panel.positive ul li::before {
  color: #b8dcc0;
}

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

.use-case-block {
  margin-bottom: 3rem;
}

.use-case-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(201, 169, 110, 0.12);
}

/* ============================================
   Pricing Section
   ============================================ */
#pricing {
  background: var(--bg-secondary);
}

.pricing-table-wrap {
  margin-top: 2rem;
  overflow-x: auto;
}

.pricing-table {
  width: 100%;
  border-collapse: collapse;
}

.pricing-table th {
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.1em;
  text-align: left;
  padding: 1.5rem 1.5rem;
  border-bottom: 1px solid var(--gold-border);
}

.pricing-table td {
  font-family: var(--font-sans);
  font-size: 1.15rem;
  color: var(--white);
  padding: 1.5rem 1.5rem;
  border-bottom: 1px solid rgba(201, 169, 110, 0.1);
}

.pricing-table tbody tr:hover {
  background: var(--gold-dim);
}

.pricing-table td:nth-child(2) {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--gold);
  font-weight: 500;
}

/* ============================================
   CTA Section
   ============================================ */
#cta {
  background: var(--bg-primary);
  text-align: center;
  padding: 10rem 0;
}

.cta-quote {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 400;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 2.2;
}

.cta-box {
  display: inline-block;
  padding: 1.5rem 4rem;
  border: 1px solid var(--gold);
  text-align: center;
}

.cta-box-label {
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--gray-light);
  letter-spacing: 0.15em;
  margin-bottom: 0.5rem;
}

.cta-box-email {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.05em;
}

/* ============================================
   Contact Section
   ============================================ */
#contact,
.contact-mid {
  background: var(--bg-secondary);
  text-align: center;
  padding: 8rem 0;
}

.contact-lead {
  max-width: 700px;
  margin: 0 auto 3rem;
  font-size: 1.05rem;
  line-height: 2.2;
  color: rgba(232, 228, 223, 0.85);
}

.contact-lead p {
  margin-bottom: 0.5rem;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.contact-card {
  border: 1px solid rgba(201, 169, 110, 0.15);
  border-radius: 2px;
  padding: 2rem 1.5rem;
  background: var(--bg-card);
  text-align: center;
  transition: border-color 0.4s ease;
}

.contact-card:hover {
  border-color: var(--gold-border);
}

.contact-card-label {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.contact-card-value {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--white);
  margin-bottom: 0.8rem;
}

.contact-card-desc {
  font-size: 0.9rem;
  color: rgba(232, 228, 223, 0.85);
  line-height: 1.8;
}

.contact-cta {
  margin-top: 2rem;
}

/* ============================================
   Footer
   ============================================ */
footer {
  padding: 3rem 0;
  text-align: center;
  border-top: 1px solid var(--gold-border);
}

footer .footer-quote {
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--gray);
  font-style: italic;
  margin-bottom: 1rem;
}

footer .footer-copy {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: rgba(107, 101, 96, 0.6);
  letter-spacing: 0.1em;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {

  /* --- Layout --- */
  .container {
    padding: 0 1.2rem;
  }

  section {
    padding: 4rem 0;
  }

  /* --- Typography --- */
  .section-title {
    font-size: 1.3rem;
  }

  /* --- Hero --- */
  #hero {
    min-height: auto;
    padding: 4rem 0;
  }

  .hero-en {
    font-size: 2.5rem;
  }

  .hero-tagline {
    font-size: 1.8rem;
  }

  .hero-lead {
    font-size: 1.3rem;
  }

  .hero-quote-bottom {
    font-size: 1.4rem;
  }

  /* --- Blockquotes --- */
  .hero-quote-block {
    font-size: 1rem;
    padding: 1.5rem 0;
    line-height: 2;
  }

  /* --- Grids to single column --- */
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .evidence-panels {
    grid-template-columns: 1fr;
  }

  .inheritance-grid {
    grid-template-columns: 1fr 1fr;
  }

  /* --- Cards --- */
  .compare-card {
    padding: 1.5rem;
  }

  .evidence-panel {
    padding: 1.5rem;
  }

  .layer {
    padding: 1.5rem;
  }

  .origin-insight {
    padding: 1.5rem;
  }

  .paradox-item {
    padding: 1.5rem;
  }

  /* --- Japan shift --- */
  .japan-shift {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.5rem;
  }

  .shift-arrow {
    transform: rotate(90deg);
  }

  /* --- VS box --- */
  .vs-box {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 1.5rem;
  }

  .vs-divider {
    transform: rotate(90deg);
  }

  /* --- Formula --- */
  .formula {
    font-size: 1.2rem;
    padding: 1.5rem 1rem;
  }

  /* --- Diagnosis quote --- */
  .diagnosis-quote {
    padding: 1.2rem 1.5rem;
    font-size: 0.9rem;
  }

  /* --- Narrative large inline styles override --- */
  .origin-narrative {
    font-size: 0.95rem;
    line-height: 2;
  }

  .origin-narrative p {
    font-size: 0.95rem !important;
    line-height: 2 !important;
  }

  /* --- Phase / Coaching --- */
  .phase-item {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .phase-number::after {
    display: none;
  }

  /* --- Pricing table --- */
  .pricing-table th,
  .pricing-table td {
    font-size: 0.85rem;
    padding: 1rem 0.8rem;
  }

  .pricing-table td:nth-child(2) {
    font-size: 1rem;
  }

  /* --- Use Cases --- */
  .use-case-block {
    margin-bottom: 2rem;
  }

  /* --- CTA --- */
  #cta {
    padding: 5rem 0;
  }

  /* --- Contact --- */
  #contact,
  .contact-mid {
    padding: 5rem 0;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .contact-card {
    padding: 1.5rem;
  }

  .contact-card-value {
    font-size: 1.4rem;
  }

  #cta .container > .fade-in {
    font-size: 1.1rem !important;
    line-height: 2 !important;
  }

  .cta-box {
    padding: 1.2rem 2rem;
  }

  .cta-box-email {
    font-size: 1.1rem;
  }
}