:root {
  --bg: #f6f2eb;
  --card: #fffdf9;
  --text: #2a2622;
  --muted: #746a60;
  --border: #e7ddd1;
  --accent: #b8894a;
  --accent-soft: #f4e6cf;
  --shadow: 0 12px 30px rgba(56, 42, 24, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #f8f5ef 0%, var(--bg) 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue",
    Helvetica, Arial, sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
}

.page {
  width: min(860px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0 56px;
}

.lang-home {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.hero-card,
.doc-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  width: min(720px, 100%);
  padding: 40px 32px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #8c662f;
  font-size: 13px;
  font-weight: 600;
}

.hero-title {
  margin: 18px 0 10px;
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin-top: 28px;
}

.link-card {
  display: block;
  text-decoration: none;
  padding: 18px 18px 16px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: #fffaf3;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(60, 44, 24, 0.08);
  border-color: #dfc9a7;
}

.link-card strong {
  display: block;
  font-size: 17px;
  margin-bottom: 6px;
}

.link-card span {
  color: var(--muted);
  font-size: 14px;
}

.doc-card {
  padding: 28px 24px 32px;
}

.doc-topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--border);
  background: #fff9f1;
  font-size: 13px;
  color: var(--muted);
}

.chip.active {
  background: var(--accent-soft);
  border-color: #e2c999;
  color: #865f22;
  font-weight: 600;
}

.doc-title {
  margin: 8px 0 6px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.03em;
}

.doc-date {
  margin: 0 0 24px;
  color: var(--muted);
  font-size: 14px;
}

.doc-content h2 {
  margin: 34px 0 12px;
  font-size: 22px;
  line-height: 1.3;
}

.doc-content h3 {
  margin: 24px 0 10px;
  font-size: 18px;
  line-height: 1.4;
}

.doc-content p {
  margin: 12px 0;
}

.doc-content ul {
  margin: 12px 0 12px 22px;
  padding: 0;
}

.doc-content li + li {
  margin-top: 6px;
}

.doc-content .note {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  background: #fff8ee;
  border: 1px solid #f0dfc5;
  color: #5f5245;
}

.footer-note {
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 640px) {
  .page {
    width: min(100vw - 20px, 860px);
    padding: 20px 0 40px;
  }

  .hero-card,
  .doc-card {
    border-radius: 22px;
  }

  .hero-card {
    padding: 28px 22px;
  }

  .doc-card {
    padding: 22px 18px 26px;
  }
}