:root {
  color-scheme: light dark;
  --canvas: #f4f7fb;
  --surface: #ffffff;
  --text: #101820;
  --muted: #5b6673;
  --line: #dde3ea;
  --link: #1f5fbf;
  --notice: #fff6e0;
  --notice-line: #f0d9a0;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #0d1319;
    --surface: #151d26;
    --text: #e8edf2;
    --muted: #9aa6b2;
    --line: #26313d;
    --link: #8ab4ff;
    --notice: #2b2416;
    --notice-line: #5a4a22;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font:
    16px / 1.6 -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    Roboto,
    Helvetica,
    Arial,
    sans-serif;
  -webkit-text-size-adjust: 100%;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px 48px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 24px;
  font-weight: 600;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

h2 {
  margin: 32px 0 8px;
  font-size: 20px;
}

h3 {
  margin: 20px 0 4px;
  font-size: 16px;
}

p,
ul {
  margin: 0 0 12px;
}

ul {
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

a {
  color: var(--link);
  overflow-wrap: anywhere;
}

.meta {
  margin-top: 6px;
  color: var(--muted);
}

.notice {
  margin: 20px 0 8px;
  padding: 12px 14px;
  border: 1px solid var(--notice-line);
  border-radius: 10px;
  background: var(--notice);
  font-size: 15px;
}

.caps {
  font-size: 15px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}