html {
  color-scheme: light dark;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  background: Canvas;
  color: CanvasText;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px;
}

h1 {
  margin: 0 0 12px;
  font-size: 2rem;
}

h2 {
  margin-top: 40px;
  font-size: 1.25rem;
}

p {
  margin: 10px 0;
}

.lead {
  font-size: 1.1rem;
}

nav {
  display: flex;
  gap: 20px;
  margin: 28px 0 44px;
}

a {
  color: LinkText;
}

.note {
  color: GrayText;
  font-size: 0.95rem;
}