:root {
  --bg: #f7faf8;
  --text: #1c2622;
  --muted: #5d6b65;
  --accent: #2f6b45;
  --line: #dce4e0;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111916;
    --text: #e8efeb;
    --muted: #9aa8a1;
    --accent: #7cc49a;
    --line: #2a3530;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 10px; margin-bottom: 24px; }
.logo {
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 10px;
  background: var(--accent); color: #fff; font-weight: 800;
}
.brand { font-weight: 800; font-size: 18px; color: var(--text); text-decoration: none; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 24px; }
a { color: var(--accent); }
ul { padding-left: 20px; }
li { margin: 4px 0; }
.note { border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; }
nav.links { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 14px; }