:root {
  --ground: #f5f0e8;
  --card: #fdfaf4;
  --ink: #3a2e28;
  --muted: #6b5d55;
  --rule: #e8e0d0;
  --accent: #b5607a;
  --accent-soft: #fadde6;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ground: #1a1e2e;
    --card: #232740;
    --ink: #ece6ef;
    --muted: #a9a3b8;
    --rule: #2f3450;
    --accent: #f4aabf;
    --accent-soft: #3a2f45;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
.page { max-width: 44rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.top {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: .5rem 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--rule);
}
.brand { font-weight: 700; font-size: 1.15rem; letter-spacing: .01em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; font-size: .95rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }
nav a[aria-current="page"] { font-weight: 600; }
h1 { font-size: 2rem; line-height: 1.2; margin: 2.25rem 0 .35rem; text-wrap: balance; }
h2 { font-size: 1.2rem; margin: 2.25rem 0 .5rem; text-wrap: balance; }
.meta { color: var(--muted); font-size: .95rem; margin: 0 0 2rem; font-variant-numeric: tabular-nums; }
.notice {
  background: var(--accent-soft); border: 1px solid var(--rule); border-radius: 12px;
  padding: .9rem 1.1rem; margin: 1.5rem 0;
}
ol, ul { padding-left: 1.3rem; }
li + li { margin-top: .35rem; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 14px; padding: 1.1rem 1.25rem; margin: 1rem 0; }
.card h2 { margin-top: 0; }
footer { margin-top: 3.5rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }