:root{color-scheme:light;--ink:#17232a;--muted:#617079;--line:#d8e0e2;--gold:#c79728;--paper:#f8faf9}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",Meiryo,sans-serif;letter-spacing:0;line-height:1.75}
a{color:inherit}
.site-header{height:62px;background:#0c1219;color:white}
.header-inner{max-width:1160px;height:100%;margin:auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between}
.site-name{font-size:19px;font-weight:800;text-decoration:none}.header-label{font-size:12px;color:#c3c9ce}
.cover{max-width:1160px;margin:0 auto;background:#0c1219}.cover img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
article{max-width:780px;margin:0 auto;padding:0 24px 100px}
.article-head{padding-top:34px}.metadata{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;font-weight:700;color:#54626c}
h1{font-size:clamp(30px,4vw,44px);line-height:1.33;margin:18px 0 20px;letter-spacing:0}
.lead{font-size:18px;line-height:1.9;margin:0 0 18px}.disclosure{font-size:13px;color:var(--muted);line-height:1.8;margin:0}
.contents{margin:40px 0 60px;border-top:2px solid var(--ink);border-bottom:1px solid var(--line);padding:16px 0 18px}.contents strong{font-size:13px}.contents ol{display:flex;flex-wrap:wrap;column-gap:26px;row-gap:4px;padding:0;margin:10px 0 0;list-style:none;font-size:14px}.contents a{text-decoration:none;border-bottom:1px solid var(--gold)}.contents a:hover{color:#865c0d}
.section-block{padding:20px 0 54px;border-bottom:1px solid var(--line);scroll-margin-top:30px}.section-block h2{font-size:29px;line-height:1.4;margin:7px 0 21px}.section-block p{font-size:16px;line-height:1.95;margin:0 0 20px}.eyebrow{display:block;color:#9b7323;font-size:12px;font-weight:800}.term{font-family:ui-monospace,monospace;font-size:.88em}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:32px 0 34px}.steps div{border-top:3px solid #c69836;padding-top:13px}.steps b{display:block;font:700 31px/1 Georgia,serif;color:#a77b26}.steps strong{display:block;margin:8px 0 4px;font-size:15px}.steps span{display:block;font-size:12px;line-height:1.65;color:var(--muted)}.case-intro{padding-top:55px;padding-bottom:33px;border-bottom:0}.case-point{background:#edf2f0;padding:18px 22px;margin:24px 0}.case-point strong{font-size:13px}.case-point p{font-size:14px;line-height:1.8;margin:6px 0 0}.example p.evidence{padding-top:16px;border-top:1px solid var(--line);font-size:13px;line-height:1.8;color:#5c6c73}.audit,.start{padding-top:54px}.audit strong{color:#915c18}.start .prompt{margin:25px 0 30px}.start .prompt p{color:#fff;font-size:15px;margin:15px 0 0}
.example{padding:20px 0 65px;border-bottom:1px solid var(--line);scroll-margin-top:28px}.example+.example{padding-top:58px}
.example-heading{display:flex;align-items:flex-start;gap:22px}.number{flex:none;color:var(--gold);font:700 52px/1 Georgia,serif}.category{color:#67757c;font-size:11px;font-weight:800;letter-spacing:.08em}.example h2{font-size:29px;line-height:1.35;margin:4px 0 18px}.example>p{font-size:17px;line-height:1.95;margin:0 0 22px}.example strong{font-weight:800}
.flow{display:flex;align-items:center;gap:9px;flex-wrap:wrap;padding:18px 0 28px;font-weight:700;font-size:14px}.flow span{background:#edf2f0;padding:6px 10px}.flow b{color:#b68d39}
.media{margin:26px 0 30px}.media img{display:block;width:100%;height:auto;background:#eee}.media figcaption{font-size:12px;line-height:1.7;color:var(--muted);padding-top:8px}
.prompt{background:#102027;color:#f5f8f7;padding:19px 21px 22px;border-radius:4px}.prompt-head{display:flex;justify-content:space-between;gap:20px;align-items:center}.prompt-head strong{font-size:13px;color:#e7ca83}.prompt p{margin:15px 0 0;line-height:1.85;font-size:15px}.copy{appearance:none;border:1px solid #738388;border-radius:3px;background:transparent;color:#fff;font-size:12px;font-weight:700;padding:6px 12px;cursor:pointer;min-height:32px}.copy:hover,.copy:focus-visible{background:#2c454c}
.closing{padding:52px 0 30px}.closing h2,.availability h2,.sources h2{font-size:24px;line-height:1.4;margin:0 0 20px}.closing ol{padding-left:1.5em;font-weight:700;line-height:2.2}.closing p,.availability p,.sources p{font-size:15px;line-height:1.9}.availability{border-top:1px solid var(--line);padding:38px 0 26px}.sources{border-top:1px solid var(--line);padding:38px 0}.sources p,.sources li{font-size:13px;color:var(--muted)}.sources ul{padding-left:1.5em}.sources a{text-decoration:underline;text-decoration-color:var(--gold);text-underline-offset:3px}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:9px 16px;background:#102027;color:white;font-size:13px;border-radius:3px;box-shadow:0 8px 25px #0003}
@media(max-width:600px){.site-header{height:50px}.header-inner{padding:0 16px}.cover{width:100%}article{padding:0 19px 70px}.article-head{padding-top:23px}.metadata{gap:9px;font-size:11px}h1{font-size:30px}.lead{font-size:16px}.contents{margin:32px 0 40px}.contents ol{display:grid;grid-template-columns:1fr 1fr;gap:7px 13px}.section-block{padding-bottom:38px}.section-block h2{font-size:23px}.section-block p{font-size:15px}.steps{grid-template-columns:1fr;gap:11px}.steps div{display:grid;grid-template-columns:46px 1fr;gap:0 8px}.steps b{grid-row:span 2}.steps strong{margin:0}.case-intro{padding-top:40px}.example{padding-bottom:46px}.example+.example{padding-top:40px}.example-heading{gap:13px}.number{font-size:42px}.example h2{font-size:23px}.example>p{font-size:15px}.flow{font-size:12px}.case-point{padding:16px}.prompt{padding:15px 16px 18px}.prompt p{font-size:14px}.closing{padding-top:38px}}