:root {
  --bg: #f8f1e7;
  --paper: #fffaf2;
  --ink: #1f1b17;
  --muted: #6d6257;
  --gold: #b4813b;
  --amber: #d89b3d;
  --brown: #3a2416;
  --deep: #16110d;
  --line: rgba(31, 27, 23, 0.12);
  --shadow: 0 20px 60px rgba(58, 36, 22, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 42px;
  background: rgba(248, 241, 231, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.logo { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.02em; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--deep); color: var(--amber);
  font-size: 13px; letter-spacing: 0.08em;
}
.logo-text { white-space: nowrap; }
.nav { display: flex; gap: 22px; font-size: 14px; color: var(--muted); }
.nav a:hover { color: var(--ink); }

.hero {
  position: relative;
  min-height: 86vh;
  display: flex;
  align-items: center;
  background: url("images/hero.svg") center/cover no-repeat;
  color: white;
  overflow: hidden;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(13, 10, 8, .82), rgba(13,10,8,.55), rgba(13,10,8,.2));
}
.hero-inner { position: relative; z-index: 1; max-width: 920px; padding: 80px 42px; }
.eyebrow, .section-label, .tag {
  text-transform: uppercase;
  letter-spacing: .16em;
  font-size: 12px;
  font-weight: 700;
  color: var(--gold);
}
.hero h1 {
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.05;
  margin: 16px 0 24px;
  letter-spacing: -0.05em;
}
.hero-copy { font-size: clamp(17px, 2vw, 21px); max-width: 760px; color: rgba(255,255,255,.9); }
.cn-copy { color: rgba(255,255,255,.72); font-size: 14px; }
.body-copy .cn-copy { color: var(--muted); }
.hero-actions { display: flex; gap: 14px; margin-top: 32px; flex-wrap: wrap; }
.button { padding: 13px 20px; border-radius: 999px; font-weight: 700; border: 1px solid rgba(255,255,255,.35); }
.button.primary { background: var(--amber); color: #1c120a; border-color: var(--amber); }
.button.secondary { color: white; }

.highlights {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.highlight-card { background: var(--paper); padding: 32px 28px; }
.highlight-card strong { display: block; font-size: clamp(28px, 4vw, 44px); color: var(--brown); line-height: 1.1; }
.highlight-card span { display: block; color: var(--muted); margin-top: 8px; }

.section { padding: 90px 42px; max-width: 1220px; margin: 0 auto; }
.two-column { display: grid; grid-template-columns: .85fr 1.15fr; gap: 72px; align-items: start; }
h2 { font-size: clamp(32px, 4vw, 54px); line-height: 1.12; margin: 10px 0 22px; letter-spacing: -0.04em; }
h3 { font-size: 24px; line-height: 1.25; margin: 0 0 12px; }
p { margin: 0 0 18px; }
.body-copy { font-size: 17px; color: #352b24; }

.profile-block { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; padding-top: 0; }
.profile-card, .image-card, .service-card, .channel-card, .event-card, .contact-panel {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: var(--shadow);
}
.profile-card { padding: 34px; }
dl { margin: 0; }
dl div { display: grid; grid-template-columns: 150px 1fr; gap: 20px; padding: 18px 0; border-bottom: 1px solid var(--line); }
dl div:last-child { border-bottom: none; }
dt { font-weight: 700; color: var(--gold); }
dd { margin: 0; color: #332920; }
.image-card { overflow: hidden; min-height: 420px; }
.image-card img { width: 100%; height: 100%; object-fit: cover; }

.dark { max-width: none; background: var(--deep); color: white; }
.dark .section-heading, .dark .service-grid { max-width: 1220px; margin-inline: auto; }
.centered { text-align: center; max-width: 840px; margin: 0 auto 38px; }
.dark p { color: rgba(255,255,255,.72); }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.service-card { background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.12); box-shadow: none; padding: 26px; }
.service-card span { color: var(--amber); font-weight: 800; }
.service-card h3 { color: white; margin-top: 18px; }

.channel-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.channel-card { overflow: hidden; }
.channel-card img { width: 100%; height: 280px; object-fit: cover; border-bottom: 1px solid var(--line); }
.channel-card div { padding: 30px; }
.tag { color: var(--gold); margin: 0 0 8px; }

.process-block { padding-top: 20px; }
.process-list { counter-reset: step; display: grid; gap: 14px; list-style: none; padding: 0; margin: 0; }
.process-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 24px;
  align-items: center;
  padding: 22px 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 22px;
}
.process-list li::before {
  content: "0" counter(step);
  font-weight: 800;
  color: var(--gold);
  font-size: 18px;
}
.process-list strong { font-size: 18px; }
.process-list span { color: var(--muted); }

.events-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.event-card { overflow: hidden; }
.event-card img { height: 230px; width: 100%; object-fit: cover; border-bottom: 1px solid var(--line); }
.event-card h3, .event-card p { padding-inline: 24px; }
.event-card h3 { margin-top: 24px; }
.event-card p { color: var(--muted); padding-bottom: 24px; }
.note { margin-top: 22px; color: var(--muted); font-size: 14px; }

.japan-desk { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; }
.desk-image, .desk-copy { border-radius: 28px; overflow: hidden; }
.desk-copy { padding: 38px; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); }
.contact-mini { margin-top: 28px; padding: 20px; border-radius: 18px; background: #f1e4d3; display: grid; gap: 4px; }
.contact-mini span { color: var(--muted); }

.contact { max-width: 980px; }
.contact-panel { padding: 42px; }
.contact-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 28px; }
.contact-list div { padding: 18px; border-radius: 16px; background: #f1e4d3; }
.contact-list span { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: .12em; color: var(--gold); font-weight: 700; }
.contact-list strong { display: block; margin-top: 4px; }

.footer { display: flex; justify-content: space-between; align-items: center; padding: 32px 42px; color: var(--muted); border-top: 1px solid var(--line); }
.footer p { margin: 0; }
.footer a { color: var(--gold); font-weight: 700; }

@media (max-width: 980px) {
  .site-header { align-items: flex-start; flex-direction: column; padding: 16px 22px; }
  .nav { flex-wrap: wrap; gap: 14px; }
  .highlights, .service-grid, .events-grid { grid-template-columns: 1fr 1fr; }
  .two-column, .profile-block, .channel-grid, .japan-desk { grid-template-columns: 1fr; }
  .section { padding: 70px 22px; }
  .hero-inner { padding: 70px 22px; }
}

@media (max-width: 640px) {
  .logo-text { font-size: 14px; }
  .highlights, .service-grid, .events-grid, .contact-list { grid-template-columns: 1fr; }
  dl div, .process-list li { grid-template-columns: 1fr; gap: 8px; }
  .footer { flex-direction: column; gap: 10px; }
}