:root {
  --bg: #0c0a14;
  --bg-elev: #161126;
  --text: #f3eee6;
  --muted: #aea69a;
  --accent: #c63a2a;
  --accent-soft: #e07b65;
  --gold: #d9b066;
  --border: rgba(255, 255, 255, 0.08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    -apple-system, BlinkMacSystemFont,
    "Hiragino Mincho ProN", "Yu Mincho",
    "ヒラギノ明朝 ProN", "游明朝", serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 123, 101, 0.3);
}

a:hover { color: var(--gold); border-bottom-color: var(--gold); }

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero {
  padding: 96px 0 64px;
  background:
    radial-gradient(ellipse at top, rgba(198, 58, 42, 0.25), transparent 60%),
    linear-gradient(180deg, #0c0a14 0%, #1a1230 100%);
  text-align: center;
}

.eyebrow {
  font-size: 12px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--accent-soft);
  margin: 0 0 16px;
}

h1 {
  font-size: 48px;
  margin: 0 0 16px;
  font-weight: 600;
  letter-spacing: 0.05em;
}

h2 {
  font-size: 24px;
  margin: 56px 0 16px;
  color: var(--accent-soft);
  letter-spacing: 0.05em;
}

h3 {
  font-size: 18px;
  margin: 24px 0 8px;
  color: var(--gold);
}

.lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 24px;
}

.disclaimer {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  margin-top: 16px;
}

main { padding: 32px 0 96px; }

.features {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.features li {
  background: var(--bg-elev);
  padding: 20px 24px;
  border-radius: 16px;
  border: 1px solid var(--border);
}

.features h3 { margin-top: 0; }
.features p { margin: 0; color: var(--muted); }

.prose section { margin-bottom: 32px; }
.prose ul { padding-left: 1.4em; }
.prose ul li { margin: 4px 0; color: var(--muted); }

.page-header {
  padding: 64px 0 32px;
  border-bottom: 1px solid var(--border);
}

.page-header .eyebrow a {
  color: var(--muted);
  border: none;
}

.updated {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: 14px;
  color: var(--muted);
}

footer a { color: var(--muted); border-bottom-color: rgba(174, 166, 154, 0.3); }
.copyright { font-size: 12px; margin-top: 8px; }

@media (min-width: 720px) {
  .features { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .hero { padding: 64px 0 48px; }
  h1 { font-size: 36px; }
  .lead { font-size: 16px; }
}