/* ════════════════════════════════════════════════════════════
   FUTO Co., Ltd. — A1 Minimal Editorial
   Light + Dark themes, JP/EN, accent-driven
   ════════════════════════════════════════════════════════════ */

:root {
  --accent: #b03a2e;
  --font-jp: "Shippori Mincho", serif;
  --font-en: "Cormorant Garamond", serif;
  --font-mono: "JetBrains Mono", "SF Mono", ui-monospace, monospace;

  --bg:        #f5f1ea;
  --bg-soft:   #efe9dc;
  --bg-card:   rgba(255,255,255,0.45);
  --ink:       #1c1814;
  --ink-soft:  #3a342c;
  --muted:     #6b6356;
  --faint:     #8a7e6c;
  --line:      rgba(28,24,20,0.12);
  --line-soft: rgba(28,24,20,0.08);
  --hover-bg:  rgba(28,24,20,0.04);
  --shadow:    0 1px 0 rgba(28,24,20,0.04);
}

[data-theme="dark"] {
  --bg:        #15120e;
  --bg-soft:   #1a1612;
  --bg-card:   rgba(237,229,211,0.04);
  --ink:       #ede5d3;
  --ink-soft:  #cdc4b0;
  --muted:     #9a9080;
  --faint:     #6f6552;
  --line:      rgba(237,229,211,0.14);
  --line-soft: rgba(237,229,211,0.08);
  --hover-bg:  rgba(237,229,211,0.04);
  --shadow:    0 1px 0 rgba(0,0,0,0.3);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin:0; padding:0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-jp);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background-color .5s ease, color .5s ease;
  overflow-x: hidden;
}

[data-lang="en"] body { font-family: var(--font-en); font-size: 18px; }

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

.container { max-width: 1280px; margin: 0 auto; padding: 0 56px; }
@media (max-width: 900px) { .container { padding: 0 28px; } }
@media (max-width: 560px) { .container { padding: 0 20px; } }

.mono {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
  font-weight: 500;
}

/* Reveal-on-scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.1s cubic-bezier(.2,.7,.2,1), transform 1.1s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.is-in { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}

/* Placeholder block */
.ph {
  background:
    repeating-linear-gradient(135deg, rgba(28,24,20,0.05) 0 1px, transparent 1px 11px),
    var(--bg-soft);
  color: var(--muted);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
  text-align: center; line-height: 1.6;
  width: 100%;
  border: 1px solid var(--line-soft);
}
[data-theme="dark"] .ph {
  background:
    repeating-linear-gradient(135deg, rgba(237,229,211,0.04) 0 1px, transparent 1px 11px),
    #1d1a16;
}
.ph span { max-width: 78%; padding: 8px; white-space: pre-line; }

.image-caption {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--faint);
}

/* ────────────────────────────────────────────────────────────
   Header
   ──────────────────────────────────────────────────────────── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 50;
  transition: background-color .3s ease, border-color .3s ease, padding .3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
  background: color-mix(in oklab, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.header-inner {
  max-width: 1440px; margin: 0 auto;
  padding: 22px 56px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 40px;
}
.brand {
  display: flex; align-items: center; gap: 14px;
}
.brand-mark {
  width: 32px; height: 32px;
  background: var(--ink); color: var(--bg);
  display: inline-flex; align-items: center; justify-content: center;
  font-family: "Zen Old Mincho", serif;
  font-weight: 700; font-size: 16px;
  transition: background-color .4s ease, color .4s ease;
}
.brand-name {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  letter-spacing: 0.12em;
  color: var(--ink);
}
.primary-nav {
  display: flex; gap: 36px;
  justify-content: center;
}
.primary-nav a {
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  position: relative;
  padding: 8px 0;
  transition: color .2s;
}
[data-lang="en"] .primary-nav a { font-family: var(--font-en); font-size: 15px; font-style: italic; }
.primary-nav a:hover { color: var(--accent); }
.primary-nav a::after {
  content: ''; position: absolute; bottom: 4px; left: 0;
  height: 1px; background: var(--accent);
  width: 0; transition: width .3s ease;
}
.primary-nav a:hover::after { width: 100%; }

.header-controls { display: flex; align-items: center; gap: 22px; }
.lang-toggle {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.18em;
}
.lang-toggle button {
  background: none; border: 0; padding: 4px 2px;
  color: var(--faint); font-family: inherit; font-size: inherit; letter-spacing: inherit;
  cursor: pointer; transition: color .2s;
}
.lang-toggle button.is-active { color: var(--ink); font-weight: 700; }
.lang-toggle button:hover { color: var(--accent); }
.lang-sep { color: var(--line); }

.theme-toggle {
  display: flex; align-items: center; gap: 8px;
  background: none; border: 1px solid var(--line); padding: 6px 10px;
  cursor: pointer;
  transition: border-color .2s;
  border-radius: 999px;
}
.theme-toggle:hover { border-color: var(--accent); }
.theme-track {
  width: 28px; height: 14px; border-radius: 999px;
  background: var(--line); position: relative;
}
.theme-dot {
  position: absolute; top: 2px; left: 2px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--ink);
  transition: left .3s cubic-bezier(.6,.1,.3,1.1), background .3s;
}
[data-theme="dark"] .theme-dot { left: 16px; background: var(--accent); }
.theme-label {
  font-family: var(--font-jp); font-size: 11px;
  color: var(--ink-soft);
}

.menu-toggle {
  display: none;
  background: none; border: 0; padding: 6px;
  cursor: pointer;
  flex-direction: column; gap: 5px;
  width: 28px;
}
.menu-toggle span {
  display: block; height: 1.5px; width: 22px;
  background: var(--ink);
  transition: transform .3s, opacity .2s;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  display: none;
  position: absolute; top: 100%; left: 0; right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  flex-direction: column;
  padding: 0 28px;
  max-height: 0; overflow: hidden;
  transition: max-height .4s ease, padding .3s ease, border-color .3s ease;
}
.mobile-nav.is-open {
  max-height: 600px;
  padding: 16px 28px 32px;
}
.mobile-nav a {
  display: flex; align-items: baseline; gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-jp);
  font-size: 22px;
  color: var(--ink);
}
.m-num { font-family: var(--font-mono); font-size: 11px; color: var(--faint); letter-spacing: 0.18em; }

@media (max-width: 1100px) {
  .primary-nav { gap: 24px; }
  .primary-nav a { font-size: 13px; }
  .header-inner { gap: 24px; padding: 18px 28px; }
}
@media (max-width: 900px) {
  .primary-nav { display: none; }
  .header-inner { grid-template-columns: 1fr auto; gap: 16px; }
  .menu-toggle { display: flex; }
  .mobile-nav { display: flex; }
  .brand-name { display: none; }
  .theme-label { display: none; }
}
@media (max-width: 560px) {
  .header-inner { padding: 14px 20px; gap: 12px; }
  .lang-toggle { gap: 4px; padding: 4px 8px; }
  .lang-toggle button { font-size: 11px; padding: 3px 6px; }
  .header-controls { gap: 12px; }
  .mobile-nav.is-open { padding: 12px 20px 24px; }
}

/* ────────────────────────────────────────────────────────────
   Hero
   ──────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 180px 56px 120px;
  min-height: 100vh;
  overflow: hidden;
  display: flex; flex-direction: column;
  border-bottom: 1px solid var(--line-soft);
}
.wind-canvas {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}
.hero-grid {
  position: relative; z-index: 1;
  max-width: 1280px; width: 100%; margin: 0 auto;
  display: grid; grid-template-columns: 1fr 380px; gap: 64px;
  align-items: start;
  flex: 1;
}
.hero-text { max-width: 720px; }
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 40px;
  display: flex; align-items: center; gap: 14px;
}
.hero-eyebrow .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  animation: pulse 2.6s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}
.hero-title {
  margin: 0;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(48px, 8.5vw, 116px);
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--ink);
}
.hero-title .ja { display: block; }
.hero-title .accented { color: var(--accent); }
[data-lang="en"] .hero-title { font-family: var(--font-en); font-style: italic; font-weight: 400; letter-spacing: 0; }

.hero-body {
  margin-top: 48px;
  max-width: 540px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--ink-soft);
}
[data-lang="en"] .hero-body { font-size: 18px; line-height: 1.7; }

.hero-ctas {
  margin-top: 40px;
  display: flex; gap: 18px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 16px 28px;
  font-family: var(--font-jp);
  font-size: 14px; letter-spacing: 0.05em;
  border: 1px solid var(--ink);
  cursor: pointer;
  background: none; color: var(--ink);
  transition: background-color .25s, color .25s, border-color .25s, transform .25s;
}
[data-lang="en"] .btn { font-family: var(--font-en); font-style: italic; font-size: 16px; }
.btn-primary {
  background: var(--ink); color: var(--bg);
}
.btn-primary:hover {
  background: var(--accent); border-color: var(--accent);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn .arr { transition: transform .25s; }
.btn:hover .arr { transform: translateX(4px); }

.hero-aside {
  display: flex; flex-direction: column; gap: 18px;
  margin-top: 70px;
}
.hero-quote {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 14px;
  color: var(--muted);
  text-align: right;
}

.hero-foot {
  position: absolute; left: 56px; right: 56px; bottom: 32px;
  display: flex; justify-content: space-between;
  z-index: 1;
}

@media (max-width: 900px) {
  .hero { padding: 140px 28px 80px; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-aside { margin-top: 8px; max-width: 320px; }
  .hero-foot { left: 28px; right: 28px; }
}
@media (max-width: 560px) {
  .hero { padding: 120px 20px 60px; }
  .hero-foot { left: 20px; right: 20px; bottom: 20px; }
  .hero-body { margin-top: 32px; }
  .hero-ctas { margin-top: 28px; }
  .btn { padding: 13px 22px; font-size: 13px; }
}

/* ────────────────────────────────────────────────────────────
   Section common
   ──────────────────────────────────────────────────────────── */
.section { padding: 130px 0; border-bottom: 1px solid var(--line-soft); position: relative; }
@media (max-width: 900px) { .section { padding: 90px 0; } }
@media (max-width: 560px) { .section { padding: 70px 0; } }

.section-head { margin-bottom: 64px; max-width: 760px; }
.section-head.align-center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.align-center .section-kicker { justify-content: center; }

.section-kicker {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--font-en);
  font-style: italic;
  font-size: 16px;
  color: var(--accent);
  letterSpacing: 0.04em;
  margin-bottom: 16px;
}
.section-num {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--faint);
  padding-right: 14px;
  border-right: 1px solid var(--line);
}
.section-title {
  margin: 0;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 0.04em;
  line-height: 1.1;
  color: var(--ink);
}
[data-lang="en"] .section-title { font-family: var(--font-en); font-style: italic; font-weight: 400; letter-spacing: 0; }

.section-intro {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--muted);
  max-width: 600px;
}
.section-head.align-center .section-intro { margin-left: auto; margin-right: auto; }

/* ────────────────────────────────────────────────────────────
   About
   ──────────────────────────────────────────────────────────── */
.about-grid {
  display: grid; grid-template-columns: 5fr 7fr; gap: 80px;
  align-items: start;
}
.about-image { position: sticky; top: 120px; }
.about-text p {
  margin: 0 0 20px;
  color: var(--ink-soft);
  line-height: 1.95;
}
[data-lang="en"] .about-text p { line-height: 1.75; }

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-image { position: static; max-width: 480px; }
}

/* ────────────────────────────────────────────────────────────
   Profile
   ──────────────────────────────────────────────────────────── */
.profile { background: var(--bg-soft); }
.profile-grid {
  display: grid; grid-template-columns: 7fr 5fr; gap: 80px;
  align-items: start;
}
.profile-list { margin: 32px 0 0; padding: 0; }
.profile-row {
  display: grid; grid-template-columns: 240px 1fr;
  gap: 32px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
}
.profile-row:last-child { border-bottom: 1px solid var(--line); }
.profile-row dt {
  display: flex; align-items: baseline; gap: 16px;
  margin: 0;
}
.row-num { color: var(--accent); }
.row-label {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  color: var(--ink);
}
[data-lang="en"] .row-label { font-family: var(--font-en); font-style: italic; }
.profile-row dd {
  margin: 0;
  white-space: pre-line;
  font-size: 16px;
  line-height: 1.7;
  color: var(--ink-soft);
}
.profile-image { position: sticky; top: 120px; }

@media (max-width: 900px) {
  .profile-grid { grid-template-columns: 1fr; gap: 48px; }
  .profile-image { position: static; max-width: 380px; }
  .profile-row { grid-template-columns: 1fr; gap: 8px; }
}

/* ────────────────────────────────────────────────────────────
   Business — A2 vertical tate-gumi
   ──────────────────────────────────────────────────────────── */
.biz-tate {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}
.biz-rail {
  position: sticky; top: 130px;
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 20px;
}
.biz-vtitle {
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(48px, 5vw, 72px);
  letter-spacing: 0.18em;
  color: var(--ink);
  line-height: 1;
}
[data-lang="en"] .biz-vtitle {
  writing-mode: horizontal-tb;
  font-family: var(--font-en); font-style: italic; letter-spacing: 0.02em;
}
.biz-vkicker {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 20px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.biz-rail-meta {
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.18em;
  color: var(--faint);
  margin-top: 12px;
}
.biz-rail-meta .section-num { padding-right: 0; border: 0; color: var(--accent); }

.biz-body { min-width: 0; }
.biz-intro {
  margin: 0 0 56px;
  font-size: 16px; line-height: 1.95;
  color: var(--muted);
  max-width: 640px;
}

.biz-group { margin-bottom: 56px; }
.biz-group:last-child { margin-bottom: 0; }
.biz-group-head {
  display: flex; align-items: baseline; gap: 18px;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.biz-group-kana {
  font-family: "Zen Old Mincho", var(--font-jp);
  font-size: 36px;
  color: var(--accent);
  line-height: 1;
}
.biz-group-title {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(20px, 2vw, 24px);
  letter-spacing: 0.04em;
  color: var(--ink);
}
[data-lang="en"] .biz-group-title { font-family: var(--font-en); font-style: italic; letter-spacing: 0; }
.biz-group-rule {
  flex: 1; height: 1px;
  background: var(--line-soft);
}
.biz-group-count { white-space: nowrap; }

.biz-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.biz-group:nth-child(3) .biz-cards { /* second group has 3 items */
  grid-template-columns: repeat(3, 1fr);
}

.biz-card {
  position: relative;
  display: flex; flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  padding: 20px 18px;
  background: var(--bg-card);
  border: 1px solid var(--line);
  transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .25s, background-color .25s, box-shadow .25s;
}
.biz-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform .45s cubic-bezier(.2,.7,.2,1);
}
.biz-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
}
.biz-card:hover::before { transform: scaleY(1); }
.biz-card.is-flag {
  background: var(--accent);
  border-color: var(--accent);
  color: #f5f1ea;
}
.biz-card.is-flag::before { display: none; }
.biz-card-num {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 22px;
  color: var(--faint);
  opacity: 0.85;
}
.biz-card.is-flag .biz-card-num {
  color: rgba(245,241,234,0.9);
  font-style: normal; font-weight: 600;
  letter-spacing: 0.05em;
}
.biz-card-foot { display: flex; flex-direction: column; gap: 6px; }
.biz-card-title {
  margin: 0;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.4;
  letter-spacing: 0.03em;
  color: inherit;
}
[data-lang="en"] .biz-card-title { font-family: var(--font-en); font-style: italic; letter-spacing: 0; font-size: 17px; }
.biz-card-sub {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.02em;
}
.biz-card.is-flag .biz-card-sub { color: rgba(245,241,234,0.8); }
.biz-card-desc {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}
.biz-card.is-flag .biz-card-desc { color: rgba(245,241,234,0.85); }

@media (max-width: 1100px) {
  .biz-cards { grid-template-columns: repeat(3, 1fr); }
  .biz-group:nth-child(3) .biz-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  .biz-tate { grid-template-columns: 1fr; gap: 40px; }
  .biz-rail {
    position: static;
    flex-direction: row; align-items: baseline;
    flex-wrap: wrap; gap: 16px;
  }
  .biz-vtitle { writing-mode: horizontal-tb; font-size: 44px; letter-spacing: 0.06em; }
  .biz-rail-meta { flex-direction: row; gap: 14px; margin-top: 0; }
  .biz-cards { grid-template-columns: repeat(2, 1fr); }
  .biz-group:nth-child(3) .biz-cards { grid-template-columns: repeat(2, 1fr); }
  .biz-intro { margin-bottom: 40px; }
}
@media (max-width: 560px) {
  .biz-cards, .biz-group:nth-child(3) .biz-cards { grid-template-columns: 1fr; }
  .biz-vtitle { font-size: 36px; }
  .biz-card { min-height: 140px; padding: 18px 16px; }
}

/* ────────────────────────────────────────────────────────────
   Feature (AITransPDF)
   ──────────────────────────────────────────────────────────── */
.feature { background: var(--bg-soft); }
.feature-grid {
  display: grid; grid-template-columns: 6fr 5fr; gap: 80px;
  align-items: center;
}
.feature-sub {
  margin: 24px 0 0;
  font-family: var(--font-jp);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 500;
  color: var(--accent);
  line-height: 1.5;
  letter-spacing: 0.03em;
}
[data-lang="en"] .feature-sub { font-family: var(--font-en); font-style: italic; font-weight: 400; letter-spacing: 0; }
.feature-body {
  margin: 24px 0 32px;
  color: var(--ink-soft);
  line-height: 1.95;
}
[data-lang="en"] .feature-body { line-height: 1.7; }
.feature-bullets {
  list-style: none; padding: 0; margin: 0 0 36px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px;
}
.feature-bullets li {
  display: flex; align-items: baseline; gap: 14px;
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--ink-soft);
}
.bullet-num { color: var(--accent); }

@media (max-width: 900px) {
  .feature-grid { grid-template-columns: 1fr; gap: 48px; }
  .feature-bullets { grid-template-columns: 1fr; }
}

/* ────────────────────────────────────────────────────────────
   Culture
   ──────────────────────────────────────────────────────────── */
.culture-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px;
  margin-top: 24px;
}
.culture-card {
  display: flex; flex-direction: column;
}
.culture-card .ph { margin-bottom: 24px; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.culture-card:hover .ph { transform: translateY(-4px); }
.culture-meta {
  font-family: var(--font-mono);
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.culture-card h3 {
  margin: 0 0 16px;
  font-family: var(--font-jp);
  font-size: clamp(22px, 2.4vw, 28px);
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink);
}
[data-lang="en"] .culture-card h3 { font-family: var(--font-en); font-style: italic; font-weight: 500; letter-spacing: 0; }
.culture-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.85;
}

@media (max-width: 900px) { .culture-grid { grid-template-columns: 1fr 1fr; gap: 28px; } }
@media (max-width: 640px) { .culture-grid { grid-template-columns: 1fr; } }

/* ────────────────────────────────────────────────────────────
   Contact — editorial info plate (mirrors business tate-gumi)
   ──────────────────────────────────────────────────────────── */
.contact-tate {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: start;
}
.contact-rail {
  position: sticky; top: 130px;
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 20px;
}
.contact-vtitle {
  writing-mode: vertical-rl;
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: clamp(48px, 5vw, 72px);
  letter-spacing: 0.18em;
  color: var(--ink);
  line-height: 1;
}
[data-lang="en"] .contact-vtitle {
  writing-mode: horizontal-tb;
  font-family: var(--font-en); font-style: italic; letter-spacing: 0.02em;
}
.contact-vkicker {
  font-family: var(--font-en);
  font-style: italic;
  font-size: 20px;
  color: var(--accent);
  letter-spacing: 0.04em;
}
.contact-rail-meta {
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px; letter-spacing: 0.18em;
  color: var(--faint);
  margin-top: 12px;
}
.contact-rail-meta .section-num { padding-right: 0; border: 0; color: var(--accent); }

.contact-body { min-width: 0; max-width: 760px; }
.contact-intro {
  margin: 0 0 48px;
  font-size: 16px; line-height: 1.95;
  color: var(--muted);
  max-width: 600px;
}

.contact-plate {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.contact-cell {
  display: grid; grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 28px 28px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-card);
  transition: background-color .25s, transform .25s;
  position: relative;
}
.contact-cell.is-full { grid-column: span 2; }
.contact-cell::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 2px; background: var(--accent);
  transform: scaleY(0); transform-origin: top;
  transition: transform .35s cubic-bezier(.2,.7,.2,1);
}
.contact-cell:hover::before { transform: scaleY(1); }
.cc-num {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--accent);
  padding-top: 4px;
}
.cc-body { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.cc-label {
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--faint);
}
.cc-val {
  font-family: var(--font-jp);
  font-weight: 500;
  font-size: 18px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--ink);
  white-space: pre-line;
  text-decoration: none;
  word-break: break-word;
}
[data-lang="en"] .cc-val { font-family: var(--font-en); font-style: italic; font-size: 19px; }
a.cc-val { transition: color .2s; }
a.cc-val:hover { color: var(--accent); }

.contact-cta-row {
  display: flex; align-items: center; gap: 24px;
  margin-top: 48px;
  flex-wrap: wrap;
}
.contact-cta-note {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--faint);
}

@media (max-width: 900px) {
  .contact-tate { grid-template-columns: 1fr; gap: 40px; }
  .contact-rail {
    position: static;
    flex-direction: row; align-items: baseline;
    flex-wrap: wrap; gap: 16px;
  }
  .contact-vtitle { writing-mode: horizontal-tb; font-size: 44px; letter-spacing: 0.06em; }
  .contact-rail-meta { flex-direction: row; gap: 14px; margin-top: 0; }
  .contact-intro { margin-bottom: 32px; }
}
@media (max-width: 640px) {
  .contact-plate { grid-template-columns: 1fr; }
  .contact-cell.is-full { grid-column: auto; }
  .contact-cell { padding: 22px 20px; }
  .cc-val { font-size: 17px; }
}

/* ────────────────────────────────────────────────────────────
   Footer
   ──────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-soft);
  border-top: 1px solid var(--line);
  padding-top: 80px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr;
  gap: 64px;
  padding-bottom: 60px;
}
.foot-brand {
  display: flex; align-items: center; gap: 16px;
}
.foot-name {
  font-family: var(--font-en); font-style: italic;
  font-size: 18px; letter-spacing: 0.06em;
  color: var(--ink);
}
.foot-motto {
  margin-top: 4px;
  font-family: var(--font-jp);
  font-size: 14px; color: var(--muted);
  letter-spacing: 0.04em;
}
[data-lang="en"] .foot-motto { font-family: var(--font-en); font-style: italic; }
.foot-label { margin-bottom: 16px; }
.foot-col ul { list-style: none; padding: 0; margin: 0; }
.foot-col li {
  padding: 8px 0;
  font-size: 14px; color: var(--ink-soft); line-height: 1.7;
  white-space: pre-line;
}
.foot-col a { transition: color .2s; }
.foot-col a:hover { color: var(--accent); }
.footer-bar {
  border-top: 1px solid var(--line-soft);
  padding: 24px 0;
}
.footer-bar-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .site-footer { padding-top: 60px; }
}