:root {
  color-scheme: light dark;
  --bg: #F6F4EF;
  --text: #0A0A0A;
  --muted: rgba(10,10,10,0.62);
  --link: #6E56CF;
  --hairline: rgba(10,10,10,0.12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0A0A0A;
    --text: #F5F3EF;
    --muted: rgba(245,243,239,0.65);
    --link: #B9A6FF;
    --hairline: rgba(245,243,239,0.14);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  line-height: 1.6;
}
.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 96px;
}
h1 {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
}
h2 {
  font-size: 19px;
  font-weight: 700;
  margin: 36px 0 10px;
}
p, li { color: var(--text); }
.updated {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 32px;
}
a { color: var(--link); }
.home-link {
  display: inline-block;
  margin-bottom: 32px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
}
.home-link:hover { color: var(--link); }
ul { padding-left: 20px; }
strong { font-weight: 700; }
hr {
  border: none;
  border-top: 1px solid var(--hairline);
  margin: 48px 0 24px;
}
.index-list {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
}
.index-list li { margin-bottom: 12px; }
.index-list a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--hairline);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  color: var(--text);
}