:root {
  color-scheme: light;
  font: 16px/1.65 ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f4f0e6;
  color: #191915;
  --ink-muted: #5e5c54;
  --line: #cbc5b7;
  --accent: #146c43;
  --code: #171b18;
}
* { box-sizing: border-box; }
body { margin: 0; min-width: 20rem; }
a { color: var(--accent); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .14em; }
a:focus-visible, summary:focus-visible, pre:focus-visible { outline: .2rem solid #191915; outline-offset: .25rem; }
.shell { width: min(70rem, calc(100% - 2rem)); margin-inline: auto; }
.skip { position: fixed; inset: .75rem auto auto .75rem; z-index: 10; padding: .5rem .75rem; background: #fff; transform: translateY(-200%); }
.skip:focus { transform: none; }
.site-header { border-bottom: 1px solid var(--line); }
.header-inner { min-height: 4.5rem; display: flex; align-items: center; gap: 1.5rem; }
.brand { color: inherit; font: 800 1.15rem/1 ui-monospace, SFMono-Regular, Consolas, monospace; text-decoration: none; }
nav { margin-inline-start: auto; display: flex; flex-wrap: wrap; gap: 1.25rem; }
nav a { color: inherit; }
.languages { position: relative; }
.languages summary { color: var(--accent); cursor: pointer; font-weight: 700; }
.languages ul { position: absolute; z-index: 2; inset: calc(100% + .75rem) 0 auto auto; width: max-content; max-width: min(22rem, calc(100vw - 2rem)); max-height: 22rem; overflow: auto; margin: 0; padding: .5rem 1rem; list-style: none; border: 1px solid var(--line); background: #fffdf7; box-shadow: .25rem .25rem 0 #191915; }
.languages li + li { border-top: 1px solid var(--line); }
.languages a { display: block; padding: .45rem 0; color: inherit; }
[aria-current="page"] { font-weight: 800; text-decoration-thickness: .16em; }
.hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(18rem, .6fr); gap: clamp(2rem, 7vw, 7rem); align-items: end; padding-block: clamp(4rem, 10vw, 8rem); }
.eyebrow, .code-label { color: var(--accent); font: 700 .82rem/1.4 ui-monospace, SFMono-Regular, Consolas, monospace; letter-spacing: .06em; text-transform: uppercase; }
.eyebrow code { text-transform: none; }
h1, h2, h3, p { margin-block-start: 0; }
h1 { max-width: 13ch; margin-block-end: 1.5rem; font-size: clamp(2.65rem, 7vw, 5rem); line-height: .98; letter-spacing: -.055em; text-wrap: balance; }
h2 { max-width: 22ch; font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1.05; letter-spacing: -.035em; text-wrap: balance; }
:lang(ja) h1, :lang(ja) h2, :lang(ko) h1, :lang(ko) h2, :lang(zh) h1, :lang(zh) h2 { line-height: 1.15; letter-spacing: 0; }
h3 { font-size: 1rem; }
.lead { max-width: 43rem; margin: 0; color: var(--ink-muted); font-size: clamp(1.08rem, 2vw, 1.3rem); }
.claim-note { max-width: 43rem; margin: 1rem 0 0; color: var(--ink-muted); font-size: .85rem; }
.quickstart { border-top: .35rem solid var(--accent); padding-top: 1.25rem; }
.quickstart > p:not(.code-label) { color: var(--ink-muted); }
pre { max-width: 100%; overflow: auto; margin: 0; padding: 1.1rem; border: 1px solid #303730; background: var(--code); color: #f5f1e7; font: .86rem/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; }
.section { border-top: 1px solid var(--line); padding-block: clamp(3rem, 7vw, 5rem); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; margin: 2.5rem 0 0; padding: 0; list-style: none; counter-reset: step; border-block: 1px solid var(--line); }
.steps li { min-width: 0; padding: 1.5rem; counter-increment: step; }
.steps li + li { border-inline-start: 1px solid var(--line); }
.steps h3::before { content: "0" counter(step) " "; color: var(--accent); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.steps p, .split p, .boundary p { color: var(--ink-muted); }
.split { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.facts { display: grid; grid-template-columns: repeat(2, 1fr); margin: 2rem 0; border-block: 1px solid var(--line); }
.facts div { padding: 1.25rem 0; }
.facts div + div { padding-inline-start: 1.25rem; border-inline-start: 1px solid var(--line); }
.facts dt { font: 800 clamp(1.5rem, 4vw, 2.5rem)/1 ui-monospace, SFMono-Regular, Consolas, monospace; }
.facts dd { margin: .5rem 0 0; color: var(--ink-muted); }
.outputs { display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; padding: 0; list-style: none; }
.boundary { margin-block-end: clamp(3rem, 7vw, 6rem); padding: 2rem 0; border-block: .35rem solid #191915; }
.boundary h2 { font-size: 1.4rem; }
.boundary p { max-width: 55rem; margin: 0; }
.site-footer { padding-block: 2rem; border-top: 1px solid var(--line); color: var(--ink-muted); }
@media (max-width: 48rem) {
  .header-inner { align-items: flex-start; flex-wrap: wrap; padding-block: 1rem; }
  nav { width: 100%; margin: 0; }
  .hero, .split { grid-template-columns: 1fr; }
  .steps, .facts { grid-template-columns: 1fr; }
  .steps li + li { border-inline-start: 0; border-top: 1px solid var(--line); }
  .facts div + div { border-inline-start: 0; border-top: 1px solid var(--line); padding-inline-start: 0; }
}
@media (max-width: 28rem) {
  nav { gap: .75rem; }
}