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

:root {
  --black:    #070807;
  --ink:      #111310;
  --ink2:     #1a1d1a;
  --cream:    #f2ece0;
  --snow:     #f8f6f0;
  --white:    #ffffff;
  --forest:   #1a3d28;
  --moss:     #2d6040;
  --gold:     #c4922a;
  --gold-l:   #e8c278;
  --ice:      #c2dce8;
  --frost:    #e8f0f4;
  --muted:    #787570;

  --f-sans:   'Inter', system-ui, sans-serif;
  --f-serif:  'Noto Serif JP', serif;
  --max-w:    1200px;
  --ease:     cubic-bezier(.25,.46,.45,.94);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--f-sans);
  background: var(--snow);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ── Snow Canvas ──────────────────────────────── */
#snow-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
}

/* ── Frost overlay (decorative) ───────────────── */
#frost-overlay {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9998;
  background:
    radial-gradient(ellipse 30% 30% at 0% 0%,   rgba(200,225,240,.04) 0%, transparent 60%),
    radial-gradient(ellipse 30% 30% at 100% 100%, rgba(200,225,240,.04) 0%, transparent 60%);
}

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 15px 32px;
  border-radius: 4px;
  font-size: .9375rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all .22s var(--ease);
  white-space: nowrap;
}
.btn-white {
  background: var(--white);
  color: var(--ink);
  border-color: var(--white);
}
.btn-white:hover {
  background: var(--cream);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.btn-ghost {
  background: transparent;
  color: rgba(255,255,255,.75);
  border-color: rgba(255,255,255,.3);
}
.btn-ghost:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.6);
  color: #fff;
}
.btn-primary {
  background: var(--forest);
  color: #fff;
  border-color: var(--forest);
}
.btn-primary:hover {
  background: var(--moss);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(26,61,40,.35);
}
.btn-full { width: 100%; justify-content: center; padding: 17px; font-size: 1rem; }

/* ── Section helpers ──────────────────────────── */
.section { padding: 120px 0; position: relative; overflow: hidden; }
.section-snow { background: var(--snow); }
.section-cream { background: var(--cream); }
.section-ink  { background: var(--ink); }

.section-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.section-label::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: currentColor;
  flex-shrink: 0;
}
.section-label.light { color: rgba(255,255,255,.4); }

.section-title {
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.03em;
  margin-bottom: 24px;
}
.section-title.light { color: #fff; }

/* ══ NAV ══════════════════════════════════════════ */
.nav-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 500;
  transition: background .4s var(--ease), box-shadow .4s var(--ease), border-color .4s;
  border-bottom: 1px solid transparent;
}
.nav-wrap.scrolled {
  background: rgba(7,8,7,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom-color: rgba(255,255,255,.07);
  box-shadow: 0 2px 40px rgba(0,0,0,.4);
}

.nav {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-kanji {
  font-family: var(--f-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .05em;
}
.logo-divider {
  width: 1px;
  height: 20px;
  background: rgba(255,255,255,.2);
}
.logo-en {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.nav-links a {
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,.6);
  padding: 8px 14px;
  border-radius: 4px;
  transition: color .2s, background .2s;
  letter-spacing: .01em;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,.08); }

.nav-cta {
  background: var(--gold) !important;
  color: var(--black) !important;
  font-weight: 700 !important;
  padding: 9px 20px !important;
}
.nav-cta:hover { background: var(--gold-l) !important; }

.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: #fff;
  border-radius: 2px;
  transition: all .3s var(--ease);
}

/* ══ HERO ══════════════════════════════════════════ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero-photo {
  position: absolute;
  inset: 0;
  background: var(--black);
}
.hero-photo .hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .75;
  transition: transform 8s ease;
}
.hero:hover .hero-img { transform: scale(1.03); }
.hero-photo.no-photo {
  background: linear-gradient(145deg, #0a1410 0%, #1a3020 50%, #0e1a12 100%);
}

.hero-layer {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(7,8,7,.95) 0%, rgba(7,8,7,.5) 40%, rgba(7,8,7,.15) 100%),
    linear-gradient(to right, rgba(7,8,7,.6) 0%, transparent 60%);
}
.hero-vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(7,8,7,.5) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px 100px;
}

.hero-jp-stamp {
  position: absolute;
  right: 32px;
  bottom: 100px;
  opacity: .12;
}
.jp-stamp-inner {
  display: flex;
  flex-direction: column;
  font-family: var(--f-serif);
  font-size: 5rem;
  font-weight: 900;
  color: #fff;
  line-height: .85;
  letter-spacing: .05em;
  writing-mode: vertical-rl;
}

.hero-eyebrow {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-l);
  margin-bottom: 20px;
  opacity: .8;
}

.hero-headline {
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.04em;
  color: #fff;
  margin-bottom: 24px;
  max-width: 800px;
}
.hero-headline em {
  font-style: normal;
  color: transparent;
  -webkit-text-stroke: 2px rgba(255,255,255,.55);
}

.hero-sub {
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  color: rgba(255,255,255,.55);
  max-width: 500px;
  margin-bottom: 40px;
  line-height: 1.75;
  font-weight: 300;
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-snow-label {
  position: absolute;
  top: 120px;
  right: 32px;
  z-index: 2;
}
.snow-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ice);
  border: 1px solid rgba(194,220,232,.25);
  padding: 8px 14px;
  border-radius: 2px;
  backdrop-filter: blur(10px);
  background: rgba(194,220,232,.06);
}

.hero-scroll-hint {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.scroll-track {
  width: 1px;
  height: 50px;
  background: rgba(255,255,255,.12);
  position: relative;
  overflow: hidden;
}
.scroll-car {
  position: absolute;
  top: 0;
  width: 100%;
  height: 40%;
  background: rgba(255,255,255,.5);
  animation: scroll-drop 2s var(--ease) infinite;
}
@keyframes scroll-drop {
  0%   { transform: translateY(-100%); }
  100% { transform: translateY(300%); }
}
.hero-scroll-hint span {
  font-size: .6rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(255,255,255,.25);
}

/* ══ MANIFESTO ════════════════════════════════════ */
.manifesto {
  background: var(--black);
  padding: 140px 32px;
  position: relative;
  overflow: hidden;
}
.manifesto::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 50%, rgba(26,61,40,.18) 0%, transparent 70%),
    repeating-linear-gradient(90deg, transparent, transparent 79px, rgba(255,255,255,.013) 79px, rgba(255,255,255,.013) 80px);
}
.manifesto-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 80px;
  align-items: center;
  position: relative;
}
.manifesto-jp {
  font-family: var(--f-serif);
  font-size: 8rem;
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  user-select: none;
  writing-mode: vertical-rl;
}
.manifesto-text {
  font-style: normal;
}
.mf-line {
  display: block;
  font-family: var(--f-serif);
  font-size: clamp(3.5rem, 7vw, 7rem);
  font-weight: 900;
  color: #fff;
  line-height: .95;
  letter-spacing: -.04em;
}
.mf-and {
  font-size: clamp(2rem, 4vw, 4rem);
  color: var(--gold);
  margin: 4px 0;
}
.mf-rule {
  display: block;
  font-size: clamp(1rem, 2vw, 1.5rem);
  font-family: var(--f-sans);
  font-weight: 300;
  color: rgba(255,255,255,.4);
  letter-spacing: .05em;
  margin-top: 24px;
  font-style: italic;
}
.manifesto-sub {
  max-width: 260px;
}
.manifesto-sub p {
  font-size: .9rem;
  color: rgba(255,255,255,.35);
  line-height: 1.75;
  margin-bottom: 20px;
  font-weight: 300;
}
.manifesto-link {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold);
  text-decoration: none;
  transition: color .2s;
}
.manifesto-link:hover { color: var(--gold-l); }

/* ══ IDENTITY ═════════════════════════════════════ */
.identity-section {
  background: var(--snow);
  padding: 0;
  overflow: hidden;
}
.identity-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 90vh;
}

.identity-photo-col {
  display: grid;
  grid-template-rows: 2fr 1fr;
  gap: 3px;
  background: var(--ink);
}
.identity-main-photo {
  position: relative;
  overflow: hidden;
}
.identity-main-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  transition: transform .6s var(--ease);
}
.identity-main-photo:hover img { transform: scale(1.03); }
.identity-photo-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 20px 24px;
  background: linear-gradient(to top, rgba(7,8,7,.9) 0%, transparent 100%);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.identity-photo-caption span {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.identity-secondary-photo {
  position: relative;
  overflow: hidden;
}
.identity-secondary-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.8) brightness(.75);
  transition: transform .6s var(--ease), filter .4s;
}
.identity-secondary-photo:hover img {
  transform: scale(1.04);
  filter: saturate(1) brightness(.85);
}
.identity-secondary-tag {
  position: absolute;
  top: 16px; left: 16px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  border: 1px solid rgba(196,146,42,.4);
  padding: 5px 10px;
  border-radius: 2px;
  backdrop-filter: blur(6px);
  background: rgba(7,8,7,.4);
}

.identity-text-col {
  padding: 80px 72px 80px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--snow);
}
.identity-eyebrow {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.identity-eyebrow::before {
  content: '';
  width: 24px;
  height: 1.5px;
  background: var(--gold);
}
.identity-title {
  font-size: clamp(2.5rem, 4vw, 4rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.035em;
  color: var(--ink);
  margin-bottom: 28px;
}
.identity-text-col > p {
  font-size: .9875rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 18px;
  font-weight: 300;
}
.identity-text-col strong { color: var(--ink); font-weight: 600; }
.identity-quote {
  margin: 24px 0 32px;
  padding: 20px 24px;
  border-left: 3px solid var(--gold);
  background: rgba(196,146,42,.06);
  border-radius: 0 6px 6px 0;
}
.identity-quote p {
  font-family: var(--f-serif);
  font-size: 1rem;
  color: var(--ink2);
  font-style: italic;
  line-height: 1.6;
}
.identity-stats {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid rgba(0,0,0,.08);
}
.i-stat { display: flex; flex-direction: column; gap: 4px; }
.i-stat-num {
  font-size: 2rem;
  font-weight: 900;
  color: var(--forest);
  line-height: 1;
  letter-spacing: -.03em;
}
.i-stat-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ══ SNOW GALLERY ═════════════════════════════════ */
.snow-gallery {
  background: var(--black);
  padding: 100px 32px;
}
.gallery-header {
  max-width: var(--max-w);
  margin: 0 auto 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
}
.gallery-eyebrow {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ice);
  display: block;
  margin-bottom: 12px;
}
.gallery-header h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: #fff;
}

.gallery-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-template-rows: 500px;
  gap: 3px;
}
.gallery-cell {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.g-tall { grid-row: span 1; }
.gallery-cell img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.7) brightness(.65);
  transition: transform .7s var(--ease), filter .5s;
}
.gallery-cell:hover img {
  transform: scale(1.06);
  filter: saturate(.9) brightness(.8);
}
.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 24px 28px;
  background: linear-gradient(to top, rgba(7,8,7,.92) 0%, transparent 100%);
  transform: translateY(8px);
  transition: transform .3s var(--ease);
}
.gallery-cell:hover .gallery-caption { transform: translateY(0); }
.gc-tag {
  display: inline-block;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(194,220,232,.3);
  padding-bottom: 6px;
}
.gallery-caption p {
  font-size: .825rem;
  color: rgba(255,255,255,.6);
  line-height: 1.55;
  font-weight: 300;
}

/* ══ MISSION ══════════════════════════════════════ */
.mission-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 100px;
  align-items: start;
}
.mission-left { position: sticky; top: 120px; }
.mission-left .section-title { margin-bottom: 32px; }
.mission-badge {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-top: 8px;
}
.mb-kanji, .mb-text {
  font-family: var(--f-serif);
  font-size: 5rem;
  font-weight: 900;
  color: rgba(0,0,0,.06);
  line-height: 1;
  letter-spacing: .05em;
}
.mission-lead {
  font-size: 1.1rem;
  color: var(--muted);
  line-height: 1.8;
  font-weight: 300;
  margin-bottom: 40px;
}
.challenge-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.challenge-card {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 24px;
  background: var(--white);
  border: 1px solid rgba(0,0,0,.07);
  border-radius: 6px;
  transition: border-color .2s, box-shadow .2s, transform .2s var(--ease);
}
.challenge-card:hover {
  border-color: var(--gold);
  box-shadow: 0 8px 32px rgba(196,146,42,.1);
  transform: translateX(4px);
}
.cc-icon { color: var(--gold); flex-shrink: 0; margin-top: 2px; }
.challenge-card strong {
  display: block;
  font-size: .9375rem;
  font-weight: 700;
  margin-bottom: 6px;
  letter-spacing: -.01em;
}
.challenge-card p {
  font-size: .85rem;
  color: var(--muted);
  line-height: 1.6;
}

/* ══ ROOTS ════════════════════════════════════════ */
.roots-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 100vh;
}

.root-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.root-photo {
  position: relative;
  height: 52vh;
  min-height: 360px;
  overflow: hidden;
  flex-shrink: 0;
}
.root-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}
.root-panel:hover .root-photo img { transform: scale(1.05); }

.root-photo-overlay {
  position: absolute;
  inset: 0;
}
.hk-overlay {
  background:
    linear-gradient(to bottom, rgba(7,8,7,.2) 0%, rgba(7,8,7,.55) 100%),
    linear-gradient(to right, rgba(10,20,30,.4) 0%, transparent 70%);
}
.bv-overlay {
  background:
    linear-gradient(to bottom, rgba(7,8,7,.15) 0%, rgba(7,8,7,.5) 100%),
    linear-gradient(to right, rgba(10,20,14,.4) 0%, transparent 70%);
}

.root-content {
  padding: 48px 52px 64px;
  flex: 1;
}
.root-hk .root-content { background: #0c1520; }
.root-bv .root-content { background: #0d1a10; }

.root-hk { border-right: 1px solid rgba(255,255,255,.06); }

.root-flag {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}
.root-country-kanji {
  font-family: var(--f-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: rgba(255,255,255,.08);
  line-height: 1;
  letter-spacing: -.02em;
}

.root-eyebrow {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}
.root-title {
  font-size: clamp(2rem, 3.5vw, 3rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -.03em;
  color: #fff;
  margin-bottom: 20px;
}
.root-desc {
  font-size: .9rem;
  color: rgba(255,255,255,.5);
  line-height: 1.75;
  margin-bottom: 28px;
  font-weight: 300;
}
.root-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}
.root-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .875rem;
  color: rgba(255,255,255,.65);
}
.rl-icon {
  color: var(--ice);
  font-size: .9rem;
  flex-shrink: 0;
}
.root-snow-tag {
  display: inline-block;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(194,220,232,.5);
  border: 1px solid rgba(194,220,232,.2);
  padding: 6px 12px;
  border-radius: 2px;
}

/* ══ SHIBA IN SNOW FEATURE ═══════════════════════ */
.shiba-snow-feature {
  position: relative;
  height: 90vh;
  min-height: 600px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.ssf-photo {
  position: absolute;
  inset: 0;
}
.ssf-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  filter: saturate(.85) brightness(.6);
}
.ssf-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(7,8,7,.85) 0%, rgba(7,8,7,.4) 55%, rgba(7,8,7,.1) 100%),
    linear-gradient(to top, rgba(7,8,7,.6) 0%, transparent 50%);
}

.ssf-content {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 32px;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 80px;
}
.ssf-kanji-bg {
  font-family: var(--f-serif);
  font-size: clamp(10rem, 22vw, 22rem);
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  position: absolute;
  right: 32px;
  user-select: none;
  pointer-events: none;
}

.ssf-text { max-width: 520px; }
.ssf-eyebrow {
  display: block;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ice);
  margin-bottom: 16px;
}
.ssf-title {
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.04em;
  color: #fff;
  margin-bottom: 28px;
}
.ssf-text p {
  font-size: 1rem;
  color: rgba(255,255,255,.6);
  line-height: 1.8;
  margin-bottom: 16px;
  font-weight: 300;
  max-width: 420px;
}
.ssf-text em {
  font-style: italic;
  color: rgba(255,255,255,.85);
}

.ssf-snowflakes {
  position: absolute;
  right: 5%;
  bottom: 8%;
  display: flex;
  gap: 16px;
  align-items: flex-end;
  pointer-events: none;
}
.sf-big  { font-size: 2rem;  color: rgba(194,220,232,.35); animation: sf-pulse 3.5s ease-in-out infinite; }
.sf-med  { font-size: 1.3rem; color: rgba(194,220,232,.25); animation: sf-pulse 3.5s ease-in-out infinite .6s; }
.sf-sml  { font-size: .9rem;  color: rgba(194,220,232,.2);  animation: sf-pulse 3.5s ease-in-out infinite 1.2s; }
@keyframes sf-pulse {
  0%,100% { transform: translateY(0) rotate(0deg); opacity: .5; }
  50%      { transform: translateY(-10px) rotate(20deg); opacity: 1; }
}

/* ══ BUSINESS ════════════════════════════════════ */
.section-ink { background: var(--ink); }

.biz-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 60px;
  gap: 32px;
  position: relative;
}
.biz-header-kanji {
  font-family: var(--f-serif);
  font-size: 7rem;
  font-weight: 900;
  color: rgba(255,255,255,.04);
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}

.biz-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid rgba(255,255,255,.07);
}
.biz-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  padding: 40px 0;
  border-bottom: 1px solid rgba(255,255,255,.07);
  transition: background .2s;
  position: relative;
  overflow: hidden;
}
.biz-row::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(to right, var(--gold), transparent);
  transition: width .4s var(--ease);
}
.biz-row:hover::after { width: 100%; }
.biz-row:hover { background: rgba(255,255,255,.02); }

.biz-row-num {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  color: rgba(255,255,255,.2);
  padding-top: 4px;
  text-align: right;
}
.biz-row-body { }
.biz-row-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}
.biz-row-head h3 {
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: -.02em;
  color: #fff;
}
.biz-row-kanji {
  font-family: var(--f-serif);
  font-size: 2.5rem;
  font-weight: 900;
  color: rgba(255,255,255,.06);
  line-height: 1;
  user-select: none;
  flex-shrink: 0;
}
.biz-row-tag {
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.biz-row-body p {
  font-size: .9rem;
  color: rgba(255,255,255,.45);
  line-height: 1.75;
  font-weight: 300;
  max-width: 680px;
  margin-bottom: 16px;
}
.biz-row-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.biz-row-tags span {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,.1);
  color: rgba(255,255,255,.45);
}

/* ══ ADVANTAGE ════════════════════════════════════ */
.advantage-section {
  position: relative;
  min-height: 800px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.advantage-photo-bg {
  position: absolute;
  inset: 0;
}
.advantage-photo-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.5) brightness(.35);
}
.adv-photo-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(7,8,7,.92) 0%, rgba(7,8,7,.7) 60%, rgba(7,8,7,.4) 100%);
}

.adv-content {
  position: relative;
  z-index: 2;
  padding-top: 100px;
  padding-bottom: 100px;
  width: 100%;
}
.adv-content .section-title { max-width: 480px; margin-bottom: 56px; }

.adv-list { display: flex; flex-direction: column; border-top: 1px solid rgba(255,255,255,.1); }
.adv-item {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: padding-left .2s var(--ease);
}
.adv-item:hover { padding-left: 12px; }
.adv-num {
  font-family: var(--f-serif);
  font-size: 1.75rem;
  font-weight: 900;
  color: rgba(255,255,255,.1);
  width: 44px;
  text-align: right;
  flex-shrink: 0;
  margin-top: 2px;
  transition: color .2s;
}
.adv-item:hover .adv-num { color: var(--gold); }
.adv-body h4 {
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
  letter-spacing: -.01em;
}
.adv-body p {
  font-size: .875rem;
  color: rgba(255,255,255,.45);
  line-height: 1.65;
  font-weight: 300;
}

/* ══ CONTACT ══════════════════════════════════════ */
.contact-layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}
.contact-left .section-label { margin-bottom: 14px; }
.contact-title {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -.035em;
  margin-bottom: 20px;
}
.contact-left > p {
  font-size: .9375rem;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 36px;
  font-weight: 300;
}
.contact-shiba-photo {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/5;
}
.contact-shiba-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 15%;
  transition: transform .5s var(--ease);
}
.contact-shiba-photo:hover img { transform: scale(1.04); }
.contact-shiba-tag {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 14px 18px;
  background: linear-gradient(to top, rgba(7,8,7,.9), transparent);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(255,255,255,.5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 16px;
}
.form-group label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid rgba(0,0,0,.12);
  border-radius: 4px;
  font-family: var(--f-sans);
  font-size: .9375rem;
  color: var(--ink);
  background: var(--white);
  transition: border-color .2s, box-shadow .2s;
  outline: none;
  appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(196,146,42,.12);
}
.form-group textarea { resize: vertical; min-height: 130px; }
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23787570' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 42px;
  cursor: pointer;
}
.form-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  padding: 16px;
  background: rgba(26,61,40,.08);
  border: 1px solid rgba(26,61,40,.15);
  border-radius: 4px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--forest);
}
.form-success.visible { display: flex; }

/* ══ FOOTER ═══════════════════════════════════════ */
.footer { background: var(--black); }
.footer-top {
  border-bottom: 1px solid rgba(255,255,255,.06);
  padding: 80px 32px;
}
.footer-top-inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 80px;
  align-items: start;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  text-decoration: none;
}
.footer-logo-kanji {
  font-family: var(--f-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .05em;
}
.footer-logo-en {
  font-size: 1rem;
  font-weight: 700;
  color: rgba(255,255,255,.7);
  letter-spacing: -.01em;
}
.footer-brand > p {
  font-size: .85rem;
  color: rgba(255,255,255,.3);
  line-height: 1.7;
  margin-bottom: 8px;
}
.footer-loc {
  font-size: .72rem !important;
  color: rgba(255,255,255,.18) !important;
  letter-spacing: .06em;
}
.footer-links { display: flex; gap: 56px; }
.footer-col { display: flex; flex-direction: column; gap: 10px; }
.footer-col-title {
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.2);
  margin-bottom: 6px;
}
.footer-col a {
  font-size: .85rem;
  color: rgba(255,255,255,.38);
  transition: color .2s;
}
.footer-col a:hover { color: rgba(255,255,255,.8); }

.footer-snow-art {
  position: relative;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.footer-snowflake-lg {
  font-size: 2.5rem;
  color: rgba(194,220,232,.15);
  animation: footer-snow-spin 20s linear infinite;
}
.footer-snowflake-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1px solid rgba(194,220,232,.1);
  animation: footer-ring-pulse 3s ease-in-out infinite;
}
@keyframes footer-snow-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
@keyframes footer-ring-pulse {
  0%,100% { transform: scale(1); opacity: .5; }
  50%      { transform: scale(1.15); opacity: 1; }
}

.footer-bottom { padding: 20px 32px; }
.footer-bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
}
.footer-bottom p { font-size: .75rem; color: rgba(255,255,255,.18); }
.footer-jp { font-family: var(--f-serif); letter-spacing: .08em; }

/* ══ REVEAL ANIMATIONS ════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .75s var(--ease-out), transform .75s var(--ease-out);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: .1s; }
.reveal-delay-2 { transition-delay: .22s; }
.reveal-delay-3 { transition-delay: .34s; }
.reveal-delay-4 { transition-delay: .46s; }

/* ══ RESPONSIVE ═══════════════════════════════════ */
@media (max-width: 1024px) {
  .manifesto-inner { grid-template-columns: 1fr; gap: 40px; }
  .manifesto-jp { display: none; }
  .manifesto-sub { max-width: 100%; }
  .identity-grid { grid-template-columns: 1fr; min-height: auto; }
  .identity-photo-col { grid-template-rows: 400px 200px; }
  .identity-text-col { padding: 60px 40px; }
  .gallery-grid { grid-template-rows: 380px; }
  .mission-layout { grid-template-columns: 1fr; gap: 48px; }
  .mission-left { position: static; }
  .contact-layout { grid-template-columns: 1fr; gap: 48px; }
  .contact-shiba-photo { max-height: 360px; }
  .footer-top-inner { grid-template-columns: 1fr auto; }
  .footer-snow-art { display: none; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px; left: 0; right: 0;
    background: rgba(7,8,7,.97);
    border-bottom: 1px solid rgba(255,255,255,.08);
    padding: 16px 24px 28px;
    gap: 2px;
    backdrop-filter: blur(20px);
  }
  .nav-links.open a { color: rgba(255,255,255,.7); }
  .nav-hamburger { display: flex; }

  .hero-jp-stamp { display: none; }
  .hero-snow-label { display: none; }

  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: 280px 240px 240px; }

  .roots-section { grid-template-columns: 1fr; }
  .root-hk { border-right: none; border-bottom: 1px solid rgba(255,255,255,.06); }

  .ssf-content { flex-direction: column; gap: 24px; }
  .ssf-kanji-bg { display: none; }

  .biz-row { grid-template-columns: 50px 1fr; gap: 20px; }
  .footer-top-inner { grid-template-columns: 1fr; gap: 48px; }
  .footer-links { flex-wrap: wrap; gap: 32px; }
  .footer-bottom-inner { flex-direction: column; gap: 8px; text-align: center; }

  .form-row { grid-template-columns: 1fr; }
}
