* { box-sizing: border-box; }
html { color: #171717; background: #fff; font-family: Arial, Helvetica, sans-serif; font-size: 18px; line-height: 1.6; scroll-padding-top: 2rem; }
body { width: min(76ch, calc(100% - 3rem)); margin: 0 auto; }
nav { display: flex; flex-wrap: wrap; gap: .5rem 1.3rem; }
nav a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .25em; }
nav a[aria-current] { font-weight: 700; }
main { padding-block: 2.5rem 4rem; }
h1, h2 { line-height: 1.15; letter-spacing: -.03em; }
h1 { margin: .5rem 0; font-size: clamp(2.2rem, 6vw, 3.5rem); }
h2 { margin-top: 2.4rem; font-size: 1.45rem; }
p, ul { margin-block: 1rem; }
li + li { margin-top: .7rem; }
a { color: #174d11; overflow-wrap: anywhere; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid #174d11; outline-offset: 4px; border-radius: 2px; }
.updated { font-size: .85rem; color: #555; }
.notice { background: #e6ffd0; border-left: 4px solid #174d11; padding: 1rem 1.2rem; margin-block: 2rem; font-size: .95rem; }
code { font-size: .9em; overflow-wrap: anywhere; }
footer { border-top: 1px solid #ddd; padding-block: 1.5rem 3rem; font-size: .85rem; }
.skip-link { position: absolute; left: 1rem; top: -5rem; padding: .6rem 1rem; background: white; }
.skip-link:focus { top: 1rem; }
@media (max-width: 480px) { body { width: calc(100% - 2rem); } ul { padding-left: 1.4rem; } }