:root {
  --bg: #f1f0eb;
  --ink: #16181a;
  --mute: #6e7075;
  --line: #d9d8d2;
  --link: #16181a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101214;
    --ink: #eceae4;
    --mute: #8f9297;
    --line: #2c3035;
    --link: #eceae4;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 40px 20px 64px; }
h1 { font-size: 32px; line-height: 1.15; margin: 8px 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { margin: 0 0 12px; }
ul { padding-left: 22px; }
a { color: var(--link); text-underline-offset: 3px; }
.meta, .back { color: var(--mute); font-size: 14px; }
.back a { color: var(--mute); text-decoration: none; }
.note { border-left: 3px solid var(--line); padding-left: 14px; color: var(--mute); }