:root {
  --bg: #fff9ec;
  --text: #5c4033;
  --accent: #e2653d;
  --muted: #8d7468;
  --card: #ffffff;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}
main { max-width: 760px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; }
header img { width: 72px; height: 72px; border-radius: 16px; }
h1 { font-size: 1.6rem; margin: 0; }
h2 { font-size: 1.2rem; color: var(--accent); margin-top: 2em; }
section.lang { background: var(--card); border-radius: 16px; padding: 8px 24px 24px; margin-top: 24px; }
.updated, footer { color: var(--muted); font-size: 0.9rem; }
nav a, a { color: var(--accent); }
nav { margin-top: 8px; }