:root {
  --bg: #fafaf9;
  --fg: #1c1917;
  --muted: #57534e;
  --line: #e7e5e4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c0a09;
    --fg: #fafaf9;
    --muted: #a8a29e;
    --line: #292524;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font:
    17px / 1.6 Inter,
    system-ui,
    -apple-system,
    sans-serif;
}
main {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 16px 64px;
}
h1 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
h2 {
  font-size: 20px;
  margin: 36px 0 8px;
}
p,
li {
  color: var(--muted);
}
strong {
  color: var(--fg);
}
a {
  color: var(--fg);
}
.brand {
  font-weight: 800;
  font-size: 20px;
  text-decoration: none;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 48px;
}
footer {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding-top: 16px;
  font-size: 14px;
}
footer a {
  color: var(--muted);
  margin-right: 16px;
}
.note {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 16px;
  font-size: 15px;
}