:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 2.5rem 1.25rem 4rem; max-width: 44rem;
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: #1c1c1e; background: #fff;
}
@media (prefers-color-scheme: dark) { body { color: #e8e8ea; background: #131316; } }
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 .35rem; }
h2 { font-size: 1.12rem; margin: 2rem 0 .5rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: .4rem; }
a { color: #0b5fbf; }
@media (prefers-color-scheme: dark) { a { color: #6fb0ff; } }
nav { margin: 0 0 2rem; font-size: .95rem; }
nav a { margin-right: 1rem; }
.sub { color: #6b6b70; margin: 0 0 1.75rem; }
@media (prefers-color-scheme: dark) { .sub { color: #9a9aa1; } }
.notice {
  border: 1px solid #d9a441; border-left-width: 4px; border-radius: 4px;
  padding: .9rem 1rem; margin: 0 0 1.75rem; background: #fdf6e8;
}
@media (prefers-color-scheme: dark) { .notice { background: #2a2317; border-color: #a97f2e; } }
.notice p:last-child { margin-bottom: 0; }
footer {
  margin-top: 3rem; padding-top: 1.25rem; border-top: 1px solid #e0e0e3;
  font-size: .9rem; color: #6b6b70;
}
@media (prefers-color-scheme: dark) { footer { border-color: #303035; color: #9a9aa1; } }