:root {
  --moss: #6f8a68;
  --moss-dark: #47593f;
  --moss-deep: #33422e;
  --beige: #f6efe3;
  --beige-deep: #ece0cb;
  --cream: #fffdf8;
  --ink: #3a352e;
  --ink-soft: #6b6459;
  --gold: #c8a876;
  --radius: 20px;
  --serif: 'Shippori Mincho', serif;
  --sans: 'Noto Sans JP', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; color: var(--moss-deep); }
p { margin: 0; }
a { text-decoration: none; color: inherit; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1120px; margin: 0 auto; padding: 0 28px; }

.sp-only { display: none; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 34px;
  border-radius: 999px;
  font-size: 15px;
  letter-spacing: .03em;
  font-weight: 500;
  transition: all .25s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--moss-dark);
  color: #fff;
  box-shadow: 0 10px 24px rgba(71, 89, 63, .28);
}
.btn-primary:hover { background: var(--moss-deep); transform: translateY(-2px); }
.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid rgba(58, 53, 46, .35);
}
.btn-ghost:hover { background: rgba(255,255,255,.5); }
.btn-outline {
  border: 1px solid var(--moss-dark);
  color: var(--moss-dark);
}
.btn-outline:hover { background: var(--moss-dark); color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  background: rgba(246, 239, 227, 0);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.is-scrolled {
  background: rgba(246, 239, 227, 0.94);
  box-shadow: 0 6px 24px rgba(58,53,46,.08);
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.logo { display: flex; align-items: baseline; gap: 8px; margin-right: auto; }
.logo-mark { font-family: var(--serif); font-size: 22px; color: var(--moss-dark); }
.logo-text { font-family: var(--serif); font-size: 20px; letter-spacing: .12em; color: var(--ink); }
.nav-desktop { display: flex; gap: 28px; }
.nav-desktop a { font-size: 14.5px; color: var(--ink); position: relative; padding-bottom: 4px; }
.nav-desktop a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--moss-dark); transform: scaleX(0); transition: transform .25s ease;
}
.nav-desktop a:hover::after { transform: scaleX(1); }
.nav-cta { font-size: 13.5px; padding: 11px 24px; }
.nav-toggle {
  display: none; width: 32px; height: 24px; border: none; background: none; cursor: pointer;
  flex-direction: column; justify-content: space-between; padding: 0;
}
.nav-toggle span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }

.mobile-nav {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: min(320px, 82vw);
  background: var(--beige);
  z-index: 900;
  transform: translateX(100%);
  transition: transform .3s ease;
  will-change: transform;
  box-shadow: -10px 0 30px rgba(0,0,0,.12);
}
.mobile-nav.is-open { transform: translateX(0); }
.mobile-nav nav { display: flex; flex-direction: column; gap: 26px; padding: 100px 36px; }
.mobile-nav a { font-size: 16px; color: var(--ink); }
.mobile-nav .btn { margin-top: 12px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 100px;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(58,53,46,.45) 0%, rgba(58,53,46,.35) 45%, rgba(246,239,227,.9) 100%);
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; color: #fff; }
.eyebrow {
  font-size: 12.5px;
  letter-spacing: .22em;
  color: var(--gold);
  margin-bottom: 18px;
  font-weight: 500;
}
.hero h1 {
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.55;
  color: #fff;
  margin-bottom: 24px;
}
.hero-sub { font-size: 15.5px; color: rgba(255,255,255,.92); margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero .btn-ghost { border-color: rgba(255,255,255,.6); color: #fff; }
.hero .btn-ghost:hover { background: rgba(255,255,255,.15); }
.scroll-hint {
  position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%);
  z-index: 2; color: #fff; font-size: 11px; letter-spacing: .18em;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-hint span {
  width: 1px; height: 34px; background: rgba(255,255,255,.7);
  animation: scrollmove 1.8s infinite;
}
@keyframes scrollmove {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  40% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  60% { transform: scaleY(1); transform-origin: bottom; opacity: 1; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ---------- Lead ---------- */
.lead { padding: 110px 0 90px; background: var(--beige); text-align: center; }
.lead-text { font-size: 18px; color: var(--moss-deep); font-family: var(--serif); margin-bottom: 30px; }
.lead-text--sub { font-size: 15px; color: var(--ink-soft); font-family: var(--sans); line-height: 2.1; }

/* ---------- Section head ---------- */
.section-head { text-align: center; margin-bottom: 56px; }
.section-head h2 { font-size: clamp(24px, 3.4vw, 32px); margin-top: 6px; }
.section-desc { margin-top: 14px; color: var(--ink-soft); font-size: 14.5px; }
.section-head--light .eyebrow { color: #e9d9b8; }
.section-head--light h2 { color: #fff; }

/* ---------- Concept / Features ---------- */
.concept { padding: 100px 0; background: var(--cream); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.feature-card {
  background: var(--beige);
  border-radius: var(--radius);
  overflow: hidden;
  padding-bottom: 30px;
  transition: transform .3s ease, box-shadow .3s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: 0 18px 34px rgba(58,53,46,.12); }
.feature-img { height: 200px; background-size: cover; background-position: center; }
.feature-card h3 { font-size: 18px; margin: 24px 26px 12px; }
.feature-card p { font-size: 14px; color: var(--ink-soft); margin: 0 26px; }

/* ---------- Flow ---------- */
.flow { position: relative; background-size: cover; background-position: center; padding: 110px 0; }
.flow-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(51,66,46,.88), rgba(51,66,46,.82)); }
.flow .container { position: relative; z-index: 2; }
.step-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: var(--radius);
  padding: 32px 24px;
  color: #fff;
}
.step-num { font-family: var(--serif); font-size: 30px; color: var(--gold); display: block; margin-bottom: 14px; }
.step-card h3 { color: #fff; font-size: 17px; margin-bottom: 10px; }
.step-card p { font-size: 13.5px; color: rgba(255,255,255,.82); }

/* ---------- Lineup ---------- */
.lineup { padding: 110px 0; background: var(--cream); }
.season-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.season-card { text-align: left; }
.season-img { height: 220px; border-radius: var(--radius); background-size: cover; background-position: center; margin-bottom: 18px; }
.season-tag { font-size: 11px; letter-spacing: .18em; color: var(--gold); margin-bottom: 8px; font-weight: 600; }
.season-card h3 { font-size: 17px; margin-bottom: 8px; }
.season-card p { font-size: 13.5px; color: var(--ink-soft); }

/* ---------- Price ---------- */
.price { padding: 110px 0; background: var(--beige); }
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; max-width: 820px; margin: 0 auto; }
.price-card {
  background: var(--cream);
  border-radius: var(--radius);
  padding: 44px 38px;
  text-align: center;
  border: 1px solid rgba(58,53,46,.08);
}
.price-card--featured { background: var(--moss-dark); color: #fff; position: relative; transform: scale(1.03); }
.price-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--gold); color: var(--moss-deep); font-size: 12px; font-weight: 600;
  padding: 6px 18px; border-radius: 999px; letter-spacing: .05em;
}
.price-name { font-family: var(--serif); font-size: 18px; margin-bottom: 14px; }
.price-value { font-family: var(--serif); font-size: 34px; color: var(--moss-dark); margin-bottom: 26px; }
.price-card--featured .price-value { color: #fff; }
.price-value span { font-size: 13px; font-family: var(--sans); color: var(--ink-soft); margin-left: 4px; }
.price-card--featured .price-value span { color: rgba(255,255,255,.75); }
.price-list { margin-bottom: 30px; }
.price-list li { font-size: 14px; padding: 9px 0; border-top: 1px solid rgba(58,53,46,.08); color: var(--ink-soft); }
.price-card--featured .price-list li { border-top-color: rgba(255,255,255,.18); color: rgba(255,255,255,.88); }
.price-card--featured .btn-outline { border-color: #fff; color: #fff; }
.price-card--featured .btn-primary { background: #fff; color: var(--moss-dark); box-shadow: none; }
.price-note { text-align: center; margin-top: 32px; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- Voice ---------- */
.voice { padding: 110px 0; background: var(--cream); }
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.voice-card {
  background: var(--beige);
  border-radius: var(--radius);
  padding: 34px 28px;
  text-align: center;
}
.voice-photo {
  width: 76px; height: 76px; border-radius: 50%;
  background-size: cover; background-position: center;
  margin: 0 auto 22px;
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 1px rgba(58,53,46,.1);
}
.voice-text { font-size: 14px; color: var(--ink); margin-bottom: 18px; line-height: 1.95; }
.voice-name { font-size: 12.5px; color: var(--ink-soft); letter-spacing: .04em; }

/* ---------- Instagram ---------- */
.insta { padding: 100px 0 110px; background: var(--beige); }
.insta-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.insta-grid div { aspect-ratio: 1; background-size: cover; background-position: center; border-radius: 10px; }

/* ---------- FAQ ---------- */
.faq { padding: 110px 0; background: var(--cream); }
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid rgba(58,53,46,.12); }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 24px 4px; font-family: var(--sans); font-size: 15.5px; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center; gap: 20px;
}
.faq-q span { font-family: var(--serif); font-size: 20px; color: var(--moss); transition: transform .25s ease; flex-shrink: 0; }
.faq-item.is-open .faq-q span { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a p { padding: 0 4px 24px; font-size: 14px; color: var(--ink-soft); }

/* ---------- CTA ---------- */
.cta {
  position: relative; padding: 130px 0; text-align: center;
  background-size: cover; background-position: center;
}
.cta-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(51,66,46,.82), rgba(51,66,46,.78)); }
.cta .container { position: relative; z-index: 2; }
.cta .eyebrow { color: var(--gold); }
.cta h2 { color: #fff; font-size: clamp(24px, 3.6vw, 36px); line-height: 1.6; margin-bottom: 18px; }
.cta-sub { color: rgba(255,255,255,.85); font-size: 14.5px; margin-bottom: 34px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--moss-deep); color: rgba(255,255,255,.85); padding: 70px 0 0; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 40px; justify-content: space-between; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,.12); }
.footer-brand .logo-mark, .footer-brand .logo-text { color: #fff; }
.footer-brand p { margin-top: 14px; font-size: 13px; color: rgba(255,255,255,.6); }
.footer-nav { display: flex; flex-direction: column; gap: 12px; font-size: 13.5px; }
.footer-sns { display: flex; gap: 16px; align-items: flex-start; }
.footer-sns a { color: #fff; opacity: .8; }
.footer-sns a:hover { opacity: 1; }
.footer-copyright { text-align: center; font-size: 12px; color: rgba(255,255,255,.5); padding: 24px 0; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .nav-desktop, .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .feature-grid, .step-grid, .season-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 420px; }
  .price-card--featured { transform: none; }
  .voice-grid { grid-template-columns: 1fr; max-width: 460px; margin: 0 auto; }
  .insta-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .sp-only { display: inline; }
  .hero { padding-top: 120px; }
  .feature-grid, .step-grid, .season-grid { grid-template-columns: 1fr; }
  .insta-grid { grid-template-columns: repeat(3, 1fr); }
  .header-inner { padding: 16px 20px; }
  .lead, .concept, .flow, .lineup, .price, .voice, .insta, .faq, .cta { padding-top: 72px; padding-bottom: 72px; }
}