:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", sans-serif; color: #202327; background: #fff; }
* { box-sizing: border-box; }
body { margin: 0; font-size: 1rem; line-height: 1.8; }
a { color: #24528b; text-underline-offset: .22em; }
a:focus-visible, summary:focus-visible, .table-wrap:focus-visible { outline: 3px solid #24528b; outline-offset: 5px; border-radius: 3px; }
header { border-bottom: 1px solid #e6e8eb; }
nav { max-width: 960px; margin: auto; padding: 1rem 1.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: .8rem 1.5rem; }
.brand { display: inline-flex; align-items: center; gap: .65rem; color: inherit; font-weight: 650; font-size: 1.1rem; text-decoration: none; }
.brand img { flex-shrink: 0; }
.nav-links { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1.4rem; font-size: .94rem; }
.nav-links a { color: #555e68; text-decoration: none; }
.nav-links a[aria-current="page"] { color: #202327; font-weight: 650; }
.nav-links a:hover { text-decoration: underline; }
main { max-width: 820px; padding: 1.5rem 1.5rem 4rem; margin: 0 auto; overflow-wrap: anywhere; }
h1 { font-size: clamp(1.65rem, 4vw, 2.15rem); letter-spacing: -.02em; line-height: 1.4; margin: 1rem 0 1.5rem; font-weight: 650; }
h2 { font-size: 1.2rem; line-height: 1.5; margin: 2.25rem 0 .75rem; scroll-margin-top: 1rem; }
h3 { font-size: 1.05rem; margin-top: 1.5rem; }
p { margin: .8rem 0; }
li { margin: .6rem 0; padding-left: .15rem; }
ul, ol { padding-left: 1.5rem; }
code { font: .93em ui-monospace, SFMono-Regular, Menlo, monospace; border-radius: 3px; background: #f3f4f6; padding: .12em .3em; white-space: normal; }
.draft { margin: 0 0 1.2rem; padding: .75rem 1rem; background: #f5f6f8; border-left: 3px solid #707982; color: #444c56; font-size: .94rem; }
.contents { border-bottom: 1px solid #e6e8eb; padding: .25rem 0 .8rem; font-size: .94rem; }
summary { cursor: pointer; width: fit-content; color: #555e68; }
.contents ul { columns: 2; margin: .8rem 0; }
.contents li { margin: .35rem 0; break-inside: avoid; }
.table-wrap { overflow-x: auto; margin: 1.25rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .94rem; }
th, td { padding: .7rem .8rem; border: 1px solid #e1e5e9; text-align: left; vertical-align: top; min-width: 7rem; }
th { background: #f6f7f8; font-weight: 650; }
.home-links { border-top: 1px solid #e6e8eb; }
.home-links > a { display: block; padding: 1.4rem 0; border-bottom: 1px solid #e6e8eb; color: inherit; text-decoration: none; }
.home-links h2 { margin: 0 0 .4rem; color: #24528b; }
.home-links p { margin: 0; color: #555e68; }
.home-links a:hover h2 { text-decoration: underline; }
footer { max-width: 820px; margin: auto; padding: 1.5rem; border-top: 1px solid #e6e8eb; color: #6c747d; font-size: .9rem; }
.skip { position: absolute; left: 1rem; top: -8rem; background: #fff; padding: .5rem 1rem; z-index: 1; }
.skip:focus { top: .5rem; }
@media (max-width: 520px) { nav, main, footer { padding-left: 1rem; padding-right: 1rem; } .contents ul { columns: 1; } }
@media print { header, footer, .contents, .skip { display: none; } main { max-width: none; padding: 0; } a { color: inherit; } }