:root {
  --ink: #4A3324; --ink-deep: #3E2B1C;
  --brown: #5C3F25; --brown-soft: #6B5040; --brown-mut: #927866; --brown-pale: #A08A72;
  --gold: #B89556; --gold-hi: #C9A961; --gold-pale: #E5C886;
  --gold-line: rgba(184,149,86,0.45); --gold-hair: rgba(201,169,97,0.28);
  --cream: #FBF6EE;
  --serif-jp: "Shippori Mincho B1", serif;
  --serif-body: "Noto Serif JP", serif;
  --serif-en: "Cormorant Garamond", serif;
  --display-en: "Italiana", serif;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--serif-body); color: var(--ink);
  background: linear-gradient(180deg, #FCF7EF 0%, #FAF1E3 55%, #FBF4E8 100%);
  -webkit-font-smoothing: antialiased; letter-spacing: 0.02em; overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: rgba(201,169,97,0.25); }
.sp-br { display: none; }

.en-label { font-family: var(--serif-en); font-style: italic; font-size: 13px; letter-spacing: 0.42em; color: var(--gold); }
.section-head { text-align: center; }
.section-head .en-label { display: block; margin-bottom: 18px; }
.section-head h2 {
  font-family: var(--serif-jp); font-weight: 500;
  font-size: clamp(26px, 3.2vw, 40px); letter-spacing: 0.2em;
  color: var(--brown); line-height: 1.7;
}
.divider { display: flex; align-items: center; justify-content: center; gap: 14px; max-width: 320px; margin: 26px auto; }
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, var(--gold-line)); }
.divider::after { background: linear-gradient(90deg, var(--gold-line), transparent); }

.reveal { opacity: 0; transform: translateY(26px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.12s; }
.reveal[data-delay="2"] { transition-delay: 0.24s; }
.reveal[data-delay="3"] { transition-delay: 0.36s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; } * { animation: none !important; }
}

/* header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px clamp(24px, 5vw, 72px);
  transition: background 0.45s ease, box-shadow 0.45s ease, padding 0.45s ease;
}
.site-header.is-scrolled {
  padding-top: 14px; padding-bottom: 14px;
  background: rgba(252,247,239,0.82);
  -webkit-backdrop-filter: blur(14px) saturate(1.4); backdrop-filter: blur(14px) saturate(1.4);
  box-shadow: 0 1px 0 var(--gold-hair), 0 12px 40px -24px rgba(107,66,37,0.18);
}
.brand { display: flex; flex-direction: column; line-height: 1; }
.brand-ja { font-family: var(--serif-jp); font-size: 18px; font-weight: 500; letter-spacing: 0.35em; color: #6B4E32; }
.brand-en { font-family: var(--serif-en); font-style: italic; font-size: 10px; letter-spacing: 0.3em; color: var(--gold); margin-top: 6px; }
.site-nav { display: flex; align-items: center; gap: 34px; font-family: var(--serif-jp); font-size: 13px; letter-spacing: 0.2em; color: var(--brown-soft); }
.site-nav a { position: relative; transition: color 0.3s; padding: 4px 0; }
.site-nav a:not(.nav-cta)::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 1px; background: var(--gold); transition: right 0.4s var(--ease-out); }
.site-nav a:not(.nav-cta):hover { color: #A88345; }
.site-nav a:not(.nav-cta):hover::after { right: 0; }
.site-nav a.is-current { color: #A88345; }
.nav-cta { padding: 11px 24px; border: 1px solid var(--gold); color: #8A6932; background: rgba(255,255,255,0.4); border-radius: 999px; letter-spacing: 0.15em; transition: background 0.35s, color 0.35s, transform 0.35s, box-shadow 0.35s; }
.nav-cta:hover { background: var(--gold); color: #FFF; transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(184,149,86,0.5); }

/* buttons */
.btn-gold {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 46px;
  background: linear-gradient(135deg, var(--gold-hi) 0%, var(--gold) 100%);
  color: #FFF; font-family: var(--serif-jp);
  font-size: 15px; letter-spacing: 0.28em;
  border-radius: 999px; border: 0; cursor: pointer;
  box-shadow: 0 14px 34px -12px rgba(184,149,86,0.55);
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  position: relative; overflow: hidden;
}
.btn-gold::before { content: ""; position: absolute; top: 0; left: -80%; width: 60%; height: 100%; background: linear-gradient(105deg, transparent, rgba(255,255,255,0.35), transparent); transform: skewX(-20deg); transition: left 0.7s var(--ease-out); }
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 20px 44px -12px rgba(184,149,86,0.65); }
.btn-gold:hover::before { left: 120%; }
.btn-gold .arrow { font-family: serif; font-size: 18px; transition: transform 0.35s; }
.btn-gold:hover .arrow { transform: translateX(4px); }

/* hero */
.hero { position: relative; min-height: 82svh; display: flex; align-items: center; justify-content: center; padding: 160px 24px 90px; overflow: hidden; }
.hero-blooms {
  position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 520px 380px at 6% 14%, rgba(244,200,188,0.48) 0%, transparent 60%),
    radial-gradient(ellipse 460px 380px at 96% 18%, rgba(232,175,162,0.4) 0%, transparent 60%),
    radial-gradient(ellipse 540px 380px at 10% 92%, rgba(232,175,162,0.38) 0%, transparent 60%),
    radial-gradient(ellipse 480px 360px at 94% 88%, rgba(244,210,200,0.46) 0%, transparent 60%);
  animation: drift 20s ease-in-out infinite;
}
@keyframes drift { 0%,100% { transform: translate(0,0) rotate(0); } 50% { transform: translate(9px,-7px) rotate(0.4deg); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
.hero-inner { position: relative; z-index: 10; text-align: center; max-width: 920px; }
.hero-kicker { font-family: var(--serif-en); font-style: italic; font-size: 14px; letter-spacing: 0.48em; color: var(--gold); margin-bottom: 30px; opacity: 0; animation: fadeUp 1.2s var(--ease-out) 0.15s forwards; }
.hero-big-en { font-family: var(--display-en); font-weight: 400; font-size: clamp(68px, 11vw, 150px); letter-spacing: 0.08em; color: var(--gold); line-height: 1; opacity: 0.85; margin-bottom: 26px; animation: fadeUp 1.4s var(--ease-out) 0.3s forwards; opacity: 0; }
.hero-title { font-family: var(--serif-jp); font-weight: 500; font-size: clamp(27px, 3.8vw, 46px); letter-spacing: 0.28em; color: var(--brown); line-height: 1.55; margin-bottom: 34px; opacity: 0; animation: fadeUp 1.3s var(--ease-out) 0.5s forwards; }
.hero-divider { opacity: 0; animation: fadeUp 1.2s var(--ease-out) 0.7s forwards; max-width: 480px; }
.hero-lede { font-family: var(--serif-jp); font-size: clamp(15px, 1.4vw, 19px); letter-spacing: 0.18em; color: #7A5B3E; line-height: 2.45; opacity: 0; animation: fadeUp 1.2s var(--ease-out) 0.85s forwards; }

/* sections */
section.block { position: relative; padding: clamp(88px, 11vw, 132px) 24px; overflow: hidden; }
.bloom { position: absolute; inset: 0; pointer-events: none; }
.wrap-s { position: relative; max-width: 840px; margin: 0 auto; }
.wrap-m { position: relative; max-width: 1080px; margin: 0 auto; }

/* philosophy */
.phil-copy { text-align: center; margin-top: 54px; }
.phil-copy p { font-family: var(--serif-jp); font-size: clamp(15px, 1.2vw, 18px); letter-spacing: 0.12em; color: var(--brown-soft); line-height: 2.55; margin-bottom: 30px; }
.belief-box {
  position: relative; margin: 56px auto; padding: 44px 32px;
  max-width: 680px;
  background: rgba(255,250,240,0.72);
  border-top: 1px solid var(--gold-hi); border-bottom: 1px solid var(--gold-hi);
}
.belief-box .tag {
  position: absolute; top: -11px; left: 50%; transform: translateX(-50%);
  padding: 0 16px; background: #FBF3E6;
  font-family: var(--serif-en); font-style: italic;
  font-size: 11px; letter-spacing: 0.35em; color: var(--gold);
}
.belief-box p { font-family: var(--serif-jp); font-weight: 500; font-size: clamp(17px, 1.6vw, 24px); letter-spacing: 0.16em; color: var(--brown); line-height: 2.25; }
.phil-tail { font-size: clamp(13px, 1.05vw, 15px); letter-spacing: 0.08em; color: var(--brown-mut); line-height: 2.45; }

/* why chains */
.why-bg { background: rgba(255, 248, 238, 0.55); }
.why-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(40px, 5vw, 64px); align-items: center; margin-top: 64px; }
.why-text p { font-family: var(--serif-jp); font-size: 15px; letter-spacing: 0.12em; color: var(--brown-soft); line-height: 2.45; margin-bottom: 26px; }
.why-text p.strong { font-weight: 500; font-size: 16px; letter-spacing: 0.15em; color: var(--brown); }
.why-visual {
  position: relative; aspect-ratio: 1; border-radius: 6px; overflow: hidden;
  background: linear-gradient(135deg, #FCF5E7 0%, #FAE7D8 100%);
  border: 1px solid rgba(201,169,97,0.3);
  box-shadow: 0 28px 52px -22px rgba(184,149,86,0.36);
  display: flex; align-items: center; justify-content: center;
}
.why-visual .bloom {
  background:
    radial-gradient(ellipse 280px 220px at 10% 90%, rgba(232,175,162,0.5) 0%, transparent 60%),
    radial-gradient(ellipse 280px 220px at 90% 10%, rgba(244,210,200,0.55) 0%, transparent 60%);
}
.why-visual svg.chain { width: 68%; height: 68%; position: relative; z-index: 1; }
.why-visual .caption { position: absolute; bottom: 30px; left: 0; right: 0; text-align: center; font-family: var(--serif-en); font-style: italic; font-size: 13px; letter-spacing: 0.35em; color: var(--gold); }

/* five chains deep dive */
.deep-list { display: flex; flex-direction: column; gap: 26px; margin-top: 70px; }
.deep-card {
  position: relative;
  display: grid; grid-template-columns: 118px 1fr;
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(30px, 4.5vw, 46px);
  background: rgba(255,250,240,0.78);
  border: 1px solid rgba(201,169,97,0.3);
  border-radius: 6px;
  align-items: start; overflow: hidden;
  transition: transform 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out), border-color 0.5s;
}
.deep-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px -20px rgba(184,149,86,0.3); border-color: rgba(184,149,86,0.55); }
.deep-card .ghost {
  position: absolute; top: -14px; right: 6px;
  font-family: var(--display-en);
  font-size: clamp(90px, 12vw, 150px);
  color: rgba(201,169,97,0.1);
  line-height: 1; pointer-events: none; user-select: none;
}
.deep-numwrap { text-align: center; }
.deep-num { font-family: var(--display-en); font-size: 62px; line-height: 1; color: var(--gold-hi); margin-bottom: 10px; }
.deep-en { font-family: var(--serif-en); font-style: italic; font-size: 11px; letter-spacing: 0.34em; color: var(--gold); }
.deep-body h3 { font-family: var(--serif-jp); font-weight: 500; font-size: 25px; letter-spacing: 0.2em; color: var(--brown); margin-bottom: 12px; }
.deep-rule { width: 36px; height: 1px; background: var(--gold-hi); margin-bottom: 18px; }
.deep-tagline { font-family: var(--serif-jp); font-size: 14.5px; letter-spacing: 0.1em; color: var(--brown-soft); line-height: 2.25; margin-bottom: 16px; }
.deep-bullets { list-style: none; display: flex; flex-direction: column; gap: 7px; margin-bottom: 22px; }
.deep-bullets li { display: flex; gap: 10px; font-family: var(--serif-jp); font-size: 13px; letter-spacing: 0.06em; color: var(--brown); line-height: 1.75; }
.deep-bullets li::before { content: "◆"; color: var(--gold); font-size: 11px; padding-top: 2px; }
.deep-theme {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 9px 18px;
  background: rgba(244,210,200,0.38);
  border-radius: 3px;
}
.deep-theme .lbl { font-size: 10px; letter-spacing: 0.25em; color: var(--gold); white-space: nowrap; }
.deep-theme .txt { font-family: var(--serif-jp); font-size: 13.5px; letter-spacing: 0.12em; color: var(--brown); line-height: 1.7; }

/* result structure */
.result-bg { background: rgba(255,248,238,0.55); }
.chapter-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 64px; }
.chapter-grid-4 { grid-template-columns: repeat(2, 1fr); }
.chapter-card {
  position: relative; padding: 34px 26px;
  background: rgba(255,253,247,0.95);
  border: 1px solid rgba(201,169,97,0.3);
  border-radius: 6px;
  transition: transform 0.45s var(--ease-out), box-shadow 0.45s var(--ease-out);
}
.chapter-card:hover { transform: translateY(-5px); box-shadow: 0 20px 40px -18px rgba(184,149,86,0.3); }
.chapter-card.final { background: linear-gradient(180deg, rgba(255,250,240,0.96) 0%, rgba(244,210,200,0.2) 100%); border: 1px solid rgba(184,149,86,0.5); }
.chapter-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 16px; }
.chapter-head .num { font-family: var(--serif-en); font-style: italic; font-size: 33px; color: var(--gold-hi); line-height: 1; }
.chapter-card.final .chapter-head .num { color: var(--gold); }
.chapter-head .lbl { font-size: 10px; letter-spacing: 0.3em; color: var(--gold); }
.chapter-card h4 { font-family: var(--serif-jp); font-weight: 500; font-size: 17px; letter-spacing: 0.16em; color: var(--brown); margin-bottom: 14px; }
.chapter-card p { font-size: 12.5px; letter-spacing: 0.05em; color: var(--brown-mut); line-height: 2; }

/* reframe */
.reframe {
  margin-top: 58px; padding: 36px clamp(26px, 5vw, 46px);
  background: rgba(244,210,200,0.2);
  border-left: 2px solid var(--gold-hi);
  border-radius: 0 6px 6px 0;
}
.reframe .tag { font-family: var(--serif-en); font-style: italic; font-size: 11px; letter-spacing: 0.3em; color: var(--gold); margin-bottom: 12px; }
.reframe p { font-family: var(--serif-jp); font-size: 16px; letter-spacing: 0.12em; color: var(--brown); line-height: 2.25; }

/* CTA */
.cta-final { text-align: center; }
.cta-final h2 { font-family: var(--serif-jp); font-weight: 500; font-size: clamp(27px, 3.4vw, 42px); letter-spacing: 0.2em; color: var(--brown); line-height: 1.7; margin-bottom: 8px; }
.cta-copy { font-family: var(--serif-jp); font-size: 15px; letter-spacing: 0.14em; color: var(--brown-soft); line-height: 2.45; margin-bottom: 48px; }
.cta-note { margin-top: 22px; font-size: 12px; letter-spacing: 0.25em; color: var(--brown-pale); }

/* disclaimer */
.disclaimer {
  max-width: 720px; margin: 0 auto;
  padding: 18px 22px;
  background: rgba(244,210,200,0.18);
  border: 1px solid rgba(201,169,97,0.3);
  border-radius: 4px;
}
.disclaimer p { font-size: 11.5px; letter-spacing: 0.04em; color: var(--brown-soft); line-height: 1.95; }

/* footer */
.site-footer { position: relative; padding: 84px 24px 40px; border-top: 1px solid rgba(201,169,97,0.28); background: linear-gradient(180deg, transparent 0%, rgba(248,232,215,0.45) 100%); }
.footer-grid { max-width: 1200px; margin: 0 auto 56px; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; }
.footer-brand-ja { font-family: var(--serif-jp); font-weight: 500; font-size: 22px; letter-spacing: 0.32em; color: var(--brown); margin-bottom: 12px; }
.footer-brand-en { font-family: var(--serif-en); font-style: italic; font-size: 12px; letter-spacing: 0.3em; color: var(--gold); margin-bottom: 24px; }
.footer-desc { font-size: 12.5px; letter-spacing: 0.06em; color: var(--brown-mut); line-height: 2.1; }
.footer-col-label { font-family: var(--serif-en); font-style: italic; font-size: 12px; letter-spacing: 0.35em; color: var(--gold); margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 13px; }
.footer-links a { font-family: var(--serif-jp); font-size: 13px; color: var(--brown-soft); transition: color 0.3s; width: fit-content; }
.footer-links a:hover { color: #A88345; }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 32px; border-top: 1px solid rgba(201,169,97,0.22); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-copy { font-size: 11px; letter-spacing: 0.15em; color: var(--brown-pale); }
.footer-motto { font-family: var(--serif-en); font-style: italic; font-size: 11px; letter-spacing: 0.3em; color: var(--gold); }

/* mobile */
@media (max-width: 760px) {
  .sp-br { display: initial; }
  .site-header { padding: 14px 16px; flex-wrap: wrap; gap: 12px 18px; }
  .site-nav { gap: 15px; font-size: 11px; letter-spacing: 0.13em; flex-wrap: wrap; }
  .nav-cta { padding: 9px 18px; white-space: nowrap; }
  .hero { padding-top: 170px; }
  section.block { padding-left: 18px; padding-right: 18px; }
  .section-head h2 { letter-spacing: 0.14em; }
  .why-grid { grid-template-columns: 1fr; gap: 36px; }
  .deep-card { grid-template-columns: 1fr; gap: 16px; text-align: center; padding: 28px 20px; }
  .deep-rule { margin-left: auto; margin-right: auto; }
  .deep-bullets li { justify-content: center; text-align: left; }
  .deep-bullets { align-items: center; }
  .chapter-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .site-footer { padding-left: 18px; padding-right: 18px; }
  h1, h2, h3, h4 { text-wrap: balance; line-break: strict; }
  p { line-break: strict; }
}

/* Phase 2A: inline style extraction */
.bloom-philosophy {
  background:
    radial-gradient(ellipse 480px 320px at -5% 50%, rgba(232,175,162,0.26) 0%, transparent 65%),
    radial-gradient(ellipse 420px 320px at 105% 70%, rgba(244,210,200,0.28) 0%, transparent 65%);
}
.bloom-why {
  background:
    radial-gradient(ellipse 540px 380px at 5% 5%, rgba(244,200,188,0.3) 0%, transparent 65%),
    radial-gradient(ellipse 520px 380px at 95% 95%, rgba(232,175,162,0.3) 0%, transparent 65%);
}
.bloom-deepdive {
  background:
    radial-gradient(ellipse 460px 320px at -3% 30%, rgba(232,175,162,0.24) 0%, transparent 65%),
    radial-gradient(ellipse 480px 360px at 103% 70%, rgba(244,210,200,0.28) 0%, transparent 65%);
}
.max-w-960 { max-width: 960px; }
.deepdive-sublede { margin-top: 20px; font-size: 14px; letter-spacing: 0.12em; color: #8A7060; line-height: 2; }
.bloom-result {
  background:
    radial-gradient(ellipse 520px 360px at 5% 95%, rgba(244,200,188,0.28) 0%, transparent 65%),
    radial-gradient(ellipse 480px 360px at 95% 5%, rgba(232,175,162,0.28) 0%, transparent 65%);
}
.max-w-1000 { max-width: 1000px; }
.result-sublede { margin-top: 22px; font-size: 14px; letter-spacing: 0.12em; color: #8A7060; line-height: 2; }
.bloom-cta-final {
  background:
    radial-gradient(ellipse 540px 380px at 10% 50%, rgba(244,200,188,0.4) 0%, transparent 65%),
    radial-gradient(ellipse 520px 380px at 90% 50%, rgba(232,175,162,0.38) 0%, transparent 65%);
}
.db-mb24 { display:block; margin-bottom: 24px; }
.max-w-280 { max-width: 280px; }
.disclaimer-section { position: relative; padding: 0 24px 90px; }