:root {
  --bg: #f6f1e7;
  --surface: #fffdf8;
  --text: #2b2420;
  --muted: #6b5f55;
  --accent: #9a5b1e;
  --border: #e2d7c5;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1916;
    --surface: #26211d;
    --text: #ece4d8;
    --muted: #b3a797;
    --accent: #e0a35c;
    --border: #3a332c;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.75;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

header.site a.home {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

header.site img { width: 32px; height: 32px; border-radius: 8px; }

a { color: var(--accent); }

article {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 8px 24px 24px;
  overflow-wrap: anywhere;
}

h1 { font-size: 1.5rem; line-height: 1.4; }
h2 { font-size: 1.15rem; margin-top: 2em; }

footer { margin-top: 32px; color: var(--muted); font-size: 0.85rem; text-align: center; }

ul.links { padding-left: 1.2em; }
ul.links li { margin: 0.4em 0; }