:root {
  --bg: #fbf8f3;
  --fg: #1f1b16;
  --muted: #6b6258;
  --accent: #c2410c;
  --card: #ffffff;
  --line: #e7e0d6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17140f;
    --fg: #f2ede6;
    --muted: #a59b8f;
    --accent: #fb923c;
    --card: #221e18;
    --line: #3a332a;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", "Noto Sans TC", "Noto Sans Thai", sans-serif;
  line-height: 1.7;
}
main { max-width: 720px; margin: 0 auto; padding: 48px 16px; }
h1 { font-size: 1.9rem; line-height: 1.3; margin: 0 0 8px; }
.lead { color: var(--muted); margin: 0 0 32px; }
.langs { display: flex; gap: 8px; margin-bottom: 32px; }
.langs button {
  border: 1px solid var(--line); background: var(--card); color: var(--fg);
  padding: 4px 12px; border-radius: 999px; cursor: pointer; font: inherit;
}
.langs button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); }
.cats { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.cat { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.cat .icon { font-size: 1.6rem; }
.cat .soon { color: var(--muted); font-size: .85rem; }
footer { color: var(--muted); font-size: .8rem; margin-top: 48px; }