/* ─── Reset & Base ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: #FAF7F2;
  color: #2C2420;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

/* ─── Variables ─── */
:root {
  --accent: #B8965A;
  --accent-light: #E8D9B8;
  --dark: #2C2420;
  --cream: #FAF7F2;
  --cream-mid: #F0EAE0;
  --border: #E8DDD5;
  --white: #ffffff;
  --text-muted: rgba(44,36,32,0.6);
  --text-sub: rgba(44,36,32,0.4);
  --hero-img: url('https://d2xsxph8kpxj0f.cloudfront.net/310519663266759991/hucxeFgdJ3N8TK4XXRZnkJ/hero-salon-a7LFBwhLtoEAAXLMh3aHub.webp');
}

/* ─── Typography ─── */
.font-serif { font-family: 'Noto Serif JP', serif; }
.font-display { font-family: 'Cormorant Garamond', serif; }

/* ─── Utilities ─── */
.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
.container-md { width: 100%; max-width: 960px; margin: 0 auto; padding: 0 1.5rem; }
.container-sm { width: 100%; max-width: 768px; margin: 0 auto; padding: 0 1.5rem; }

/* ─── Fade-up animation ─── */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1);
}
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.08s; }
.fade-up.delay-2 { transition-delay: 0.16s; }
.fade-up.delay-3 { transition-delay: 0.24s; }
.fade-up.delay-4 { transition-delay: 0.32s; }

/* ─── Section label ─── */
.section-label {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.section-label .line {
  height: 1px;
  width: 32px;
  background-color: var(--accent);
  flex-shrink: 0;
}
.section-label span {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.section-label-center { justify-content: center; }

/* ─── Buttons ─── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 9999px;
  background-color: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: opacity 0.3s, box-shadow 0.3s, transform 0.3s;
}
.btn-primary:hover { opacity: 0.9; box-shadow: 0 8px 24px rgba(184,150,90,0.3); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 9999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.3s;
}
.btn-outline:hover { background: rgba(250,247,242,0.15); }
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 40px;
  border-radius: 9999px;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.3s;
}
.btn-outline-dark:hover { background: rgba(250,247,242,0.1); }

/* ─── Navigation ─── */
#rs-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.5s, backdrop-filter 0.5s, box-shadow 0.5s;
}
#rs-nav.scrolled {
  background: rgba(250,247,242,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 16px rgba(44,36,32,0.06);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo-ring {
  width: 32px; height: 32px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s;
}
.nav-logo:hover .nav-logo-ring { transform: scale(1.1); }
.nav-logo-text .brand {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  letter-spacing: 0.2em;
  font-size: 13px;
  color: var(--accent);
  display: block;
}
.nav-logo-text .sub {
  color: rgba(44,36,32,0.4);
  font-size: 10px;
  letter-spacing: 0.2em;
  display: block;
  margin-top: -2px;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(44,36,32,0.6);
  position: relative;
  transition: color 0.3s;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--accent);
  transition: width 0.3s;
}
.nav-links a:hover { color: var(--dark); }
.nav-links a:hover::after { width: 100%; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border-radius: 9999px;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  transition: opacity 0.3s, box-shadow 0.3s;
}
.nav-cta:hover { opacity: 0.9; box-shadow: 0 4px 16px rgba(184,150,90,0.3); }
.nav-hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.nav-hamburger span {
  display: block; width: 20px; height: 1px;
  background: var(--accent);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }
.nav-mobile {
  display: none;
  background: rgba(250,247,242,0.98);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 24px;
  flex-direction: column;
  gap: 16px;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: rgba(44,36,32,0.8);
}

/* ─── Hero ─── */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: var(--hero-img);
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(44,36,32,0.85) 0%, rgba(44,36,32,0.5) 50%, transparent 100%);
}
.hero-glow {
  position: absolute;
  top: 33%; right: 33%;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.05;
  filter: blur(80px);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 10;
  max-width: 1280px;
  margin: 0 auto;
  padding: 96px 24px 64px;
  max-width: 700px;
  margin-left: max(24px, calc((100vw - 1280px) / 2 + 24px));
}
.hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}
.hero-eyebrow .line { height: 1px; width: 48px; background: var(--accent); }
.hero-eyebrow span {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--accent);
}
.hero-h1 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 300;
  line-height: 1.25;
  color: #FAF7F2;
  margin-bottom: 16px;
}
.hero-h1 .accent { color: var(--accent); }
.hero-subtitle {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(16px, 2.5vw, 22px);
  color: rgba(250,247,242,0.7);
  font-weight: 300;
  margin-bottom: 16px;
}
.hero-desc {
  font-size: 15px;
  color: rgba(250,247,242,0.6);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 500px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 24px; }
.hero-badge { display: flex; align-items: center; gap: 6px; }
.hero-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.hero-badge span { font-size: 12px; color: rgba(250,247,242,0.6); font-weight: 300; }
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0.5;
}
.scroll-indicator span {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: #FAF7F2;
}
.scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, #FAF7F2, transparent);
}

/* ─── Hero entrance animation ─── */
@keyframes heroFadeUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero-content { animation: heroFadeUp 0.9s cubic-bezier(0.22,1,0.36,1) forwards; }

/* ─── Section common ─── */
section { padding: 96px 24px; }
.section-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: var(--dark);
  line-height: 1.3;
}
.section-title .accent { color: var(--accent); }
.section-title-light {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 300;
  color: #FAF7F2;
  line-height: 1.3;
}
.section-title-light .accent { color: var(--accent); }

/* ─── About (Vision) ─── */
#vision { background: var(--white); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  max-width: 1152px;
  margin: 0 auto;
}
.about-text p { color: var(--text-muted); line-height: 1.9; margin-bottom: 16px; font-size: 15px; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}
.stat-card {
  background: var(--cream);
  border-radius: 16px;
  padding: 16px;
}
.stat-card .num {
  font-family: 'Noto Serif JP', serif;
  font-size: 24px;
  font-weight: 500;
  color: var(--accent);
}
.stat-card .label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.about-img-wrap { position: relative; }
.about-img-bg {
  position: absolute;
  top: -16px; right: -16px;
  width: 100%; height: 100%;
  border-radius: 24px;
  background: var(--accent-light);
  opacity: 0.2;
}
.about-img {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }
.about-badge {
  position: absolute;
  bottom: -24px; left: -24px;
  background: var(--white);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 32px rgba(44,36,32,0.12);
  border: 1px solid var(--accent-light);
  display: flex;
  align-items: center;
  gap: 12px;
}
.about-badge-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.about-badge .title { font-family: 'Noto Serif JP', serif; font-size: 13px; font-weight: 500; color: var(--dark); }
.about-badge .sub { font-size: 11px; color: var(--text-sub); }

/* ─── Community (Features) ─── */
#community { background: var(--cream); }
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 1152px;
  margin: 0 auto;
}
.feature-card {
  background: var(--white);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  transition: box-shadow 0.3s, transform 0.3s;
}
.feature-card:hover { box-shadow: 0 8px 32px rgba(44,36,32,0.08); transform: translateY(-4px); }
.feature-card .icon { font-size: 28px; margin-bottom: 16px; }
.feature-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 16px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 8px;
  transition: color 0.3s;
}
.feature-card:hover h3 { color: var(--accent); }
.feature-card p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }

/* ─── Tsudoi Meeting (Flow) ─── */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1152px;
  margin: 0 auto;
}
.flow-step { position: relative; text-align: center; }
.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 32px;
  left: 60%;
  width: 80%;
  height: 1px;
  background: var(--accent);
  opacity: 0.3;
}
.flow-num {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: 'Cormorant Garamond', serif;
  font-size: 20px;
  font-weight: 300;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
}
.flow-step h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 8px;
}
.flow-step p { font-size: 12px; color: var(--text-muted); line-height: 1.8; }

/* ─── Global & Roadmap (Science Grid) ─── */
#global { background: var(--white); }
.science-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  max-width: 1152px;
  margin: 0 auto 48px;
}
.science-card {
  background: var(--cream);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--border);
  text-align: center;
  transition: box-shadow 0.3s;
}
.science-card:hover { box-shadow: 0 8px 32px rgba(44,36,32,0.08); }
.science-card .icon { font-size: 36px; margin-bottom: 16px; }
.science-card h3 { font-family: 'Noto Serif JP', serif; font-size: 13px; font-weight: 500; color: var(--dark); margin-bottom: 8px; }
.science-card p { font-size: 12px; color: var(--text-muted); line-height: 1.7; }
.science-quote {
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  background: rgba(184,150,90,0.08);
  max-width: 1152px;
  margin: 0 auto;
}
.science-quote p {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(15px, 2vw, 18px);
  color: var(--dark);
  line-height: 1.9;
  max-width: 800px;
  margin: 0 auto;
}

/* ─── Pricing & Memberships ─── */
#pricing { background: var(--dark); }
.pricing-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto 40px;
}
.pricing-card {
  border-radius: 24px;
  padding: 32px;
  border: 1px solid rgba(250,247,242,0.1);
  background: rgba(250,247,242,0.05);
  display: flex;
  flex-direction: column;
  transition: background 0.3s;
}
.pricing-card:hover { background: rgba(250,247,242,0.1); }
.pricing-card.featured { background: var(--accent); border: none; position: relative; overflow: hidden; }
.pricing-badge {
  position: absolute;
  top: 16px; right: 16px;
  background: rgba(255,255,255,0.2);
  color: #fff;
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 9999px;
}
.pricing-type {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: rgba(250,247,242,0.4);
  margin-bottom: 8px;
}
.pricing-card.featured .pricing-type { color: rgba(255,255,255,0.7); }
.pricing-name {
  font-family: 'Noto Serif JP', serif;
  font-size: 22px;
  font-weight: 300;
  color: #FAF7F2;
  margin-bottom: 4px;
}
.pricing-card.featured .pricing-name { color: #fff; }
.pricing-amount {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 16px 0 8px;
}
.pricing-amount .num {
  font-family: 'Noto Serif JP', serif;
  font-size: 48px;
  font-weight: 300;
  color: var(--accent);
  line-height: 1;
}
.pricing-card.featured .pricing-amount .num { color: #fff; }
.pricing-amount .unit { font-size: 13px; color: rgba(250,247,242,0.6); margin-bottom: 6px; }
.pricing-card.featured .pricing-amount .unit { color: rgba(255,255,255,0.7); }
.pricing-note { font-size: 12px; color: rgba(250,247,242,0.4); margin-bottom: 24px; }
.pricing-card.featured .pricing-note { color: rgba(255,255,255,0.6); }
.pricing-features { list-style: none; flex: 1; margin-bottom: 32px; display: flex; flex-direction: column; gap: 12px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 12px; font-size: 13px; color: rgba(250,247,242,0.7); line-height: 1.5; }
.pricing-card.featured .pricing-features li { color: rgba(255,255,255,0.8); }
.pricing-features li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
  margin-top: 6px;
}
.pricing-card.featured .pricing-features li::before { background: #fff; }
.pricing-btn {
  display: block;
  text-align: center;
  padding: 14px;
  border-radius: 9999px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--accent);
  color: var(--accent);
  transition: background 0.3s;
}
.pricing-btn:hover { background: rgba(250,247,242,0.1); }
.pricing-btn.featured {
  background: #fff;
  border: none;
  color: var(--accent);
}
.pricing-btn.featured:hover { background: rgba(255,255,255,0.9); }
.pricing-note-bottom { text-align: center; font-size: 12px; color: rgba(250,247,242,0.4); line-height: 1.8; }

/* ─── Principles ─── */
#principles { background: var(--white); }
.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.principle-card {
  background: var(--cream);
  border-radius: 20px;
  padding: 28px;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  transition: box-shadow 0.3s, transform 0.3s;
}
.principle-card:hover { box-shadow: 0 8px 32px rgba(44,36,32,0.08); transform: translateY(-4px); }
.principle-num {
  font-family: 'Cormorant Garamond', serif;
  font-size: 36px;
  font-weight: 300;
  color: var(--accent);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 12px;
}
.principle-card h3 { font-family: 'Noto Serif JP', serif; font-size: 15px; font-weight: 500; color: var(--dark); margin-bottom: 10px; }
.principle-card p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }

/* ─── Business (Guardian & Week Simulation) ─── */
#business { background: var(--cream); }

.week-tabs { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 32px; }
.week-tab {
  padding: 8px 20px;
  border-radius: 9999px;
  border: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
  background: var(--white);
  cursor: pointer;
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.week-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.week-panel { display: none; }
.week-panel.active { display: block; }
.week-card {
  background: var(--white);
  border-radius: 20px;
  padding: 32px;
  border: 1px solid var(--border);
  max-width: 900px;
  margin: 0 auto;
}
.week-card h3 {
  font-family: 'Noto Serif JP', serif;
  font-size: 20px;
  font-weight: 500;
  color: var(--dark);
  margin-bottom: 8px;
}
.week-card .week-sub { font-size: 13px; color: var(--accent); margin-bottom: 20px; font-weight: 500; }
.week-item {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.week-item:last-child { border-bottom: none; }
.week-item-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(184,150,90,0.12);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.week-item-body h4 { font-family: 'Noto Serif JP', serif; font-size: 14px; font-weight: 500; color: var(--dark); margin-bottom: 4px; }
.week-item-body p { font-size: 13px; color: var(--text-muted); line-height: 1.8; }
.week-item-body ul { margin-top: 8px; padding-left: 16px; display: flex; flex-direction: column; gap: 4px; }
.week-item-body ul li { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* Revenue table */
.revenue-table-wrap { overflow-x: auto; max-width: 900px; margin: 0 auto 16px; }
.revenue-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.revenue-table th {
  background: var(--dark);
  color: rgba(250,247,242,0.9);
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  padding: 14px 16px;
  text-align: left;
  white-space: nowrap;
}
.revenue-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
  background: var(--white);
}
.revenue-table tr:last-child td {
  background: rgba(184,150,90,0.08);
  font-family: 'Noto Serif JP', serif;
  font-weight: 500;
  color: var(--dark);
}
.revenue-table .num-cell {
  font-family: 'Noto Serif JP', serif;
  font-size: 15px;
  color: var(--accent);
  font-weight: 500;
}
.revenue-note { font-size: 12px; color: var(--text-sub); max-width: 900px; margin: 0 auto; line-height: 1.9; }

/* Comparison table */
.compare-table-wrap { overflow-x: auto; max-width: 900px; margin: 0 auto; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.compare-table th {
  background: var(--dark);
  color: rgba(250,247,242,0.9);
  font-family: 'Noto Serif JP', serif;
  font-weight: 400;
  padding: 14px 16px;
  text-align: left;
}
.compare-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  vertical-align: top;
  background: var(--white);
}
.compare-table tr:nth-child(even) td { background: var(--cream); }
.compare-table .highlight { color: var(--accent); font-weight: 500; }

/* ─── FAQ ─── */
#faq { background: var(--cream); }
.faq-list { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--white);
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px;
  text-align: left;
  cursor: pointer;
  transition: background 0.3s;
}
.faq-question:hover { background: rgba(240,234,224,0.5); }
.faq-question span {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  color: var(--dark);
  line-height: 1.7;
}
.faq-toggle {
  flex-shrink: 0;
  width: 24px; height: 24px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: transform 0.3s;
  line-height: 1;
}
.faq-item.open .faq-toggle { transform: rotate(45deg); }
.faq-answer {
  display: none;
  padding: 0 24px 24px;
}
.faq-answer-inner {
  border-top: 1px solid var(--border);
  padding-top: 16px;
}
.faq-answer p { font-size: 13px; color: var(--text-muted); line-height: 1.9; }
.faq-item.open .faq-answer { display: block; }

/* ─── CTA ─── */
#cta { background: var(--white); }
.cta-box {
  border-radius: 24px;
  padding: 64px;
  text-align: center;
  background: var(--dark);
  position: relative;
  overflow: hidden;
  max-width: 900px;
  margin: 0 auto;
}
.cta-glow {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 256px; height: 128px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.2;
  filter: blur(48px);
}
.cta-inner { position: relative; z-index: 1; }
.cta-box h2 {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(24px, 4vw, 44px);
  font-weight: 300;
  color: #FAF7F2;
  line-height: 1.4;
  margin-bottom: 24px;
}
.cta-box h2 .accent { color: var(--accent); }
.cta-box p {
  font-size: 14px;
  color: rgba(250,247,242,0.6);
  line-height: 1.9;
  margin-bottom: 40px;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.cta-btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* ─── Footer ─── */
footer {
  background: var(--dark);
  color: rgba(250,247,242,0.8);
  padding: 64px 24px;
}
.footer-inner {
  max-width: 1152px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand p {
  font-size: 12px;
  line-height: 1.9;
  max-width: 320px;
  color: rgba(250,247,242,0.6);
  font-weight: 300;
  margin-top: 16px;
}
.footer-col h4 {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(250,247,242,0.4);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a, .footer-col ul li button {
  font-size: 13px;
  color: rgba(250,247,242,0.7);
  transition: color 0.3s;
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
}
.footer-col ul li a:hover, .footer-col ul li button:hover { color: #FAF7F2; }
.footer-bottom {
  border-top: 1px solid rgba(250,247,242,0.1);
  padding-top: 32px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.footer-bottom p { font-size: 12px; color: rgba(250,247,242,0.4); }
.footer-bottom .tagline {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .cards-grid-3, .principles-grid { grid-template-columns: repeat(2, 1fr); }
  .science-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); gap: 40px 24px; }
  .flow-step:not(:last-child)::after { display: none; }
}
@media (max-width: 768px) {
  section { padding: 64px 20px; }
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-img-wrap { order: -1; }
  .about-badge { bottom: -16px; left: -8px; }
  .cards-grid-3, .principles-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .cta-box { padding: 40px 24px; }
  .footer-top { flex-direction: column; gap: 32px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .hero-content { margin-left: 20px; padding-top: 80px; }
}
@media (max-width: 480px) {
  .hero-btns { flex-direction: column; }
  .cta-btns { flex-direction: column; align-items: center; }
}