:root {
  color-scheme: light dark;
  --accent: #ed7b3a;
  --surface: #fff7f1;
  --text: #2d2926;
  --muted: #6f6761;
  --border: #eadbd0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
  color: var(--text);
  background: linear-gradient(160deg, #fffaf6 0%, #fff2e8 100%);
}
main {
  width: min(760px, calc(100% - 32px));
  margin: 40px auto;
  padding: 32px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(118, 70, 38, 0.08);
}
h1 { margin-top: 0; line-height: 1.3; }
h2 { margin-top: 2em; font-size: 1.2rem; }
a { color: #b84d18; }
.eyebrow { color: var(--accent); font-weight: 700; }
.updated, footer { color: var(--muted); font-size: 0.9rem; }
nav { display: flex; gap: 18px; margin-bottom: 28px; }
ul { padding-left: 1.4em; }
@media (prefers-color-scheme: dark) {
  :root { --surface: #27211e; --text: #f7eee8; --muted: #c0b2a8; --border: #4a3b33; }
  body { background: #181412; }
  main { background: var(--surface); }
  a { color: #ffad7a; }
}
@media (max-width: 520px) {
  main { margin: 16px auto; padding: 24px 20px; border-radius: 18px; }
}