:root {
  color-scheme: light dark;
  --bg: #f7f5f0;
  --fg: #1d1d1f;
  --muted: #62666d;
  --line: #d8d4cb;
  --accent: #2e6fba;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111214;
    --fg: #f5f5f7;
    --muted: #a9adb4;
    --line: #303236;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 56px 24px 80px;
}

h1 {
  font-size: clamp(38px, 6vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  margin: 0 0 24px;
}

h2 {
  border-top: 1px solid var(--line);
  margin-top: 34px;
  padding-top: 24px;
}

h3 {
  margin-top: 22px;
}

p,
li {
  color: var(--muted);
}

a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

nav {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 34px;
}

.button {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--bg) 82%, var(--fg) 8%);
}

.notice {
  border-top: 1px solid var(--line);
  margin-top: 56px;
  padding-top: 24px;
  font-size: 14px;
}