:root {
  --ink: #30262b;
  --muted: #6f6268;
  --wine: #8f2f63;
  --wine-dark: #692045;
  --rose: #eed8e2;
  --cream: #fbf7f1;
  --paper: #fffdf9;
  --sage: #72816a;
  --sage-soft: #e6eadf;
  --line: #e7ded8;
  --shadow: 0 18px 50px rgba(63, 38, 49, .10);
}
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif; line-height: 1.85; letter-spacing: .025em; }
*, *::before, *::after { box-sizing: border-box; }
img { display: block; width: 100%; }
a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: "Yu Mincho", "Hiragino Mincho ProN", serif; font-weight: 500; letter-spacing: .05em; }
.title-line { display: block; white-space: nowrap; }
.wrap { width: min(1040px, calc(100% - 40px)); margin-inline: auto; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; color: var(--wine); font-size: .76rem; font-weight: 700; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 34px; height: 1px; background: currentColor; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 52px; padding: 0 24px; border: 1px solid var(--wine); border-radius: 999px; background: var(--wine); color: white; text-decoration: none; font-weight: 700; box-shadow: 0 10px 28px rgba(143,47,99,.22); transition: transform .2s ease, background .2s ease; }
.btn:hover { background: var(--wine-dark); transform: translateY(-2px); }
.btn.secondary { background: transparent; color: var(--wine); box-shadow: none; }
.btn.secondary:hover { color: white; background: var(--wine); }
header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(231,222,216,.8); background: rgba(255,253,249,.92); backdrop-filter: blur(14px); }
.nav { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { text-decoration: none; line-height: 1.2; }
.brand strong { display: block; color: var(--wine); font-family: "Yu Mincho", serif; font-size: 1.05rem; letter-spacing: .08em; }
.brand span { color: var(--muted); font-size: .68rem; letter-spacing: .12em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: .82rem; font-weight: 700; }
.nav-links .nav-cta { color: white; background: var(--wine); padding: 10px 18px; border-radius: 999px; }
.crumb { padding-top: 24px; color: var(--muted); font-size: .76rem; }
.crumb a { color: var(--wine); text-underline-offset: 3px; }
.detail-hero { padding: 28px 0 78px; background: linear-gradient(135deg, var(--paper) 0 58%, #f5e8ee 58% 100%); }
.hero-grid { display: grid; grid-template-columns: 1fr .86fr; gap: 58px; align-items: center; }
.hero-copy h1 { margin: 16px 0 22px; font-size: clamp(2.8rem, 6vw, 5rem); line-height: 1.3; }
.hero-copy .lead { color: var(--muted); font-size: 1.08rem; line-height: 2; }
.hero-copy .btn { margin-top: 22px; }
.hero-image img { height: 510px; object-fit: cover; border-radius: 140px 140px 24px 24px; box-shadow: var(--shadow); }
.hero-image.landscape img { object-position: center; }
section { padding-block: 90px; }
.section-head { max-width: 720px; margin-bottom: 36px; }
.section-head h2 { margin: 12px 0 18px; font-size: clamp(2rem, 4vw, 3.2rem); line-height: 1.5; }
.section-head p { color: var(--muted); }
.soft { background: var(--cream); }
.intro-grid { display: grid; grid-template-columns: .82fr 1.18fr; gap: 60px; align-items: start; }
.intro-grid h2 { margin-bottom: 24px; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.5; }
.intro-grid p { color: var(--muted); }
.quote { padding: 30px; border-radius: 24px; background: var(--sage-soft); font-family: "Yu Mincho", serif; font-size: 1.18rem; line-height: 1.9; }
.quote-line { display: block; white-space: nowrap; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.panel { padding: 30px; border: 1px solid var(--line); border-radius: 24px; background: white; }
.panel h3 { margin: 8px 0 12px; font-size: 1.5rem; }
.panel p { margin-bottom: 10px; color: var(--muted); font-size: .9rem; }
.panel .place { color: var(--sage); font-size: .76rem; font-weight: 700; letter-spacing: .07em; }
.note { margin-top: 24px; padding: 22px 24px; border-left: 3px solid var(--wine); background: #faf2f6; color: var(--muted); }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.step { padding: 24px 20px; border-radius: 22px; background: white; border: 1px solid var(--line); }
.step b { display: block; margin-bottom: 8px; color: var(--wine); font-family: "Yu Mincho", serif; font-size: 1.08rem; }
.step span { color: var(--muted); font-size: .8rem; }
.check-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; padding: 18px 20px 18px 48px; border-radius: 16px; background: white; border: 1px solid var(--line); }
.check-list li::before { content: "✓"; position: absolute; left: 18px; color: var(--wine); font-weight: 800; }
.curriculum { counter-reset: lesson; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 0; padding: 0; list-style: none; }
.curriculum li { counter-increment: lesson; padding: 18px 20px; border-radius: 16px; background: white; border: 1px solid var(--line); }
.curriculum li::before { content: counter(lesson, decimal-leading-zero); display: block; color: var(--wine); font-family: Georgia, serif; font-size: .82rem; font-weight: 700; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.fact { padding: 24px; border-radius: 20px; background: var(--paper); border: 1px solid var(--line); }
.fact strong { display: block; margin-bottom: 6px; color: var(--wine); font-family: "Yu Mincho", serif; font-size: 1.35rem; }
.fact span { color: var(--muted); font-size: .8rem; }
.final { padding-block: 82px; background: var(--rose); }
.cta-box { display: grid; grid-template-columns: 1fr auto; gap: 40px; align-items: center; padding: 46px 50px; border-radius: 30px; background: var(--paper); box-shadow: var(--shadow); }
.cta-box h2 { margin-bottom: 10px; font-size: clamp(1.8rem, 4vw, 2.7rem); }
.cta-box p { margin-bottom: 0; color: var(--muted); }
footer { padding-block: 42px; background: var(--ink); color: rgba(255,255,255,.72); }
.footer-inner { display: flex; justify-content: space-between; align-items: end; gap: 24px; }
footer strong { color: white; font-family: "Yu Mincho", serif; }
footer p { margin: 6px 0 0; font-size: .76rem; }
footer a { color: white; text-underline-offset: 4px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 20px; }
.legal { padding-block: 60px 100px; }
.legal-head { max-width: 760px; margin-bottom: 50px; }
.legal-head h1 { margin: 12px 0 10px; font-size: clamp(2.2rem, 5vw, 3.8rem); line-height: 1.4; }
.legal-head p { color: var(--muted); }
.legal-body { max-width: 820px; }
.legal-body h2 { margin: 50px 0 16px; font-size: 1.45rem; line-height: 1.6; }
.legal-body p, .legal-body li { color: var(--muted); }
.legal-body ol, .legal-body ul { padding-left: 1.5em; }
.legal-body li { margin-bottom: 12px; }
.legal-body .policy-list { list-style: none; padding-left: 0; }
.legal-body .policy-list li { position: relative; padding-left: 1.4em; }
.legal-body .policy-list li::before { content: "・"; position: absolute; left: 0; }
@media (max-width: 820px) {
  .hero-grid, .intro-grid { grid-template-columns: 1fr; }
  .hero-image { width: min(600px, 100%); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cta-box { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .wrap { width: min(100% - 28px, 1040px); }
  .nav { min-height: 64px; }
  .brand span, .nav-links a:not(.nav-cta) { display: none; }
  .nav-links .nav-cta { padding: 9px 14px; }
  .detail-hero { padding-bottom: 58px; }
  .hero-grid { gap: 36px; }
  .hero-copy h1 { font-size: clamp(2.35rem, 11vw, 3.2rem); }
  .hero-image img { height: 420px; border-radius: 100px 100px 20px 20px; }
  section { padding-block: 70px; }
  .section-head h2, .intro-grid h2, .cta-box h2 { font-size: clamp(1.65rem, 8vw, 2rem); }
  .grid, .check-list, .curriculum, .facts { grid-template-columns: 1fr; }
  .panel { padding: 24px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 34px 26px; }
  .quote { padding: 24px 20px; font-size: 1rem; line-height: 2; }
  .footer-inner { display: block; }
  .footer-links { justify-content: flex-start; margin-top: 20px; }
  .legal { padding-block: 46px 76px; }
  .legal-head h1 { font-size: clamp(2rem, 10vw, 2.7rem); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}