:root{--paper:#faf8f5;--white:#fff;--ink:#484441;--heading:#342f2b;--muted:#78716b;--orange:#a95c35;--peach:#f6e9df;--line:#dcd6cf}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/2 "Hiragino Sans","Yu Gothic",sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--orange);text-underline-offset:4px}a:hover{opacity:.75}a:focus-visible,summary:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--orange);outline-offset:5px}img{max-width:100%;height:auto;display:block}h1,h2,h3{color:var(--heading)}h1,h2{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500}p{margin:0 0 20px}strong{font-weight:600}ul{padding-left:24px}li{padding:4px 0}.skip{position:absolute;top:-90px;left:12px;background:white;padding:12px;z-index:20}.skip:focus{top:10px}.draft{text-align:center;background:#eee7df;font-size:11px;letter-spacing:.08em;padding:7px 15px;color:#665547}.site-header{display:flex;align-items:center;gap:32px;padding:26px 5%;border-bottom:1px solid var(--line)}.brand{width:215px;margin-right:auto}.logo-crop{display:block;position:relative;aspect-ratio:4.28;overflow:hidden}.logo-crop img{position:absolute;width:120.7%;max-width:none;left:-10.4%;top:-44.8%}.site-header nav{display:flex;gap:26px;font-size:13px}.site-header a{text-decoration:none}.site-header nav a{color:var(--ink)}.header-cta{border:1px solid #b78968;border-radius:30px;padding:9px 24px;font-size:13px;white-space:nowrap}.header-cta span{margin-left:18px}.breadcrumbs{max-width:1240px;margin:24px auto;padding:0 28px;font-size:11px;color:var(--muted)}.breadcrumbs span{margin:0 14px}.breadcrumbs a{color:inherit}.hero{max-width:1240px;margin:55px auto 80px;display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:0 28px;align-items:center}.eyebrow{font-size:11px;letter-spacing:.14em;color:var(--orange)}h1{font-size:clamp(32px,3.2vw,46px);line-height:1.65;letter-spacing:.05em;margin:20px 0 26px}.hero-lead{font-size:14px;line-height:2.1}.hero figure{margin:0}.hero img{width:100%;aspect-ratio:4/4.5;object-fit:cover;border-radius:45% 45% 3px 3px}.hero figcaption{text-align:right;font-size:10px;color:var(--muted);margin-top:7px}.jump{display:inline-flex;gap:65px;padding:9px 0;border-bottom:1px solid #b78968;text-decoration:none;font-size:13px}.article-layout{max-width:1184px;padding:0 28px;margin:0 auto 100px;display:grid;grid-template-columns:245px minmax(0,1fr);gap:65px}.article-layout aside{align-self:start;position:sticky;top:30px}.toc{font-size:12px}.toc>summary{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;font-weight:600;cursor:pointer}.toc nav{display:grid;padding-top:10px}.toc a{display:flex;align-items:baseline;gap:12px;padding:9px 0;line-height:1.7;text-decoration:none;color:var(--ink)}.toc a span{color:var(--orange);font-size:10px}.intro{font-size:16px}.intro>p:nth-last-of-type(1){margin-top:28px}.intro ul{padding:22px 24px 22px 45px;background:var(--peach);border-radius:3px;font-size:14px}.article-section{margin-top:66px;padding-top:28px;border-top:1px solid var(--line)}.section-kicker{font-size:10px;letter-spacing:.13em;color:var(--orange)}h2{font-size:27px;line-height:1.7;margin:12px 0 32px}h3{font-size:18px;line-height:1.8;margin:36px 0 15px;font-weight:600}article p{line-height:2.15;overflow-wrap:anywhere}article a{font-size:.94em}.table-scroll{max-width:100%;overflow-x:auto;background:white;border:1px solid var(--line);margin:24px 0 5px}table{border-collapse:collapse;min-width:670px;font-size:12px;line-height:1.85;width:100%}th,td{padding:14px 13px;text-align:left;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}th{background:var(--peach);font-weight:600}tbody tr:last-child td{border-bottom:0}td:first-child{font-weight:600;min-width:125px}.table-hint{font-size:11px;color:var(--muted)}.section-09 details{border-bottom:1px solid var(--line);padding:18px 0}.section-09 summary{font-size:15px;font-weight:600;cursor:pointer;line-height:1.9}.section-09 details p{padding-top:18px;font-size:14px;margin-bottom:0}.section-10{background:var(--peach);padding:35px;border:0;border-radius:4px}.section-10 h2{font-size:26px}.section-10 p{font-size:14px}.section-10 p:has(>a){margin:26px 0}.section-10 p>a{background:var(--orange);color:white;display:block;padding:17px 12px;text-align:center;border-radius:35px;text-decoration:none;line-height:1.7}.section-10 p:last-child{font-size:12px}.article-footer{margin-top:40px;font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:26px}footer{text-align:center;border-top:1px solid var(--line);padding:55px 20px;background:#f2eee7;font-size:12px}footer .footer-brand{font-family:Georgia,serif;font-size:25px;letter-spacing:.09em}footer p{margin:12px 0 25px}footer a{color:var(--ink);font-size:11px}footer small{display:block;margin-top:22px;font-size:10px}@media(max-width:900px){.site-header{gap:15px}.site-header nav{display:none}.hero{gap:25px}.article-layout{grid-template-columns:1fr;max-width:800px;gap:30px}.article-layout aside{position:static}.toc{border:1px solid var(--line);padding:10px 22px}.toc nav{grid-template-columns:1fr 1fr;gap:0 25px}.hero{margin-bottom:45px}}@media(max-width:600px){body{font-size:15px}.draft{font-size:10px}.site-header{padding:20px}.brand{width:175px}.header-cta{font-size:11px;padding:6px 13px}.header-cta span{margin-left:6px}.breadcrumbs{padding:0 22px;font-size:10px;line-height:1.8;margin:20px 0}.hero{margin:35px auto 38px;grid-template-columns:1fr;padding:0 24px;gap:28px}h1{font-size:31px;line-height:1.6;margin:18px 0 20px}.eyebrow{font-size:9px}.hero-lead{font-size:13px}.hero img{aspect-ratio:1.55;border-radius:90px 90px 3px 3px;object-position:center 45%}.hero figcaption{font-size:9px}.article-layout{padding:0 22px}.toc nav{grid-template-columns:1fr}.toc a{padding:7px 0}.intro{font-size:15px}.intro ul{font-size:13px;padding-left:34px}.article-section{margin-top:48px}h2{font-size:24px;margin-bottom:26px}h3{font-size:17px;margin-top:28px}article p{line-height:2.05}.section-10{padding:25px 20px}.section-10 h2{font-size:24px}.section-10 p>a{font-size:12px}.table-scroll{margin-top:18px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.draft{background:none}.site-header nav,.header-cta,.hero figure,aside,.jump{display:none}.hero{display:block;margin:20px 0}.hero h1{font-size:30px}.article-layout{display:block;max-width:none}.article-section{break-inside:avoid}.table-scroll{overflow:visible}table{min-width:0}footer{background:none}details>p{display:block!important}}

.article-layout>article,.article-layout>aside{min-width:0}

.article-diagram{margin:32px 0;padding:16px 0}.article-diagram img{width:100%;max-width:560px;height:auto;margin-inline:auto}.article-diagram figcaption{max-width:560px;margin:12px auto 0;font-size:12px;line-height:1.8;color:var(--muted)}

/* Article heading hierarchy: chapter bands and subsection dividers. */
.article-section{margin-top:80px;padding-top:0;border-top:0}
.article-section>.section-kicker{display:inline-block;padding:6px 15px;background:var(--orange);color:#fff;border-radius:5px 5px 0 0;font-size:11px;line-height:1.8;font-weight:600;letter-spacing:.12em}
.article-section>h2{margin:0 0 34px;padding:22px 25px;background:var(--peach);border-top:3px solid var(--orange);border-bottom:1px solid #dfc4b1;border-radius:0 5px 5px 5px;font-size:27px;font-weight:600;line-height:1.65;overflow-wrap:anywhere}
.article-section>h3{margin:44px 0 20px;padding:10px 15px 12px;border-left:4px solid var(--orange);border-bottom:1px solid var(--line);background:linear-gradient(90deg,#f6e9df80,transparent 85%);font-size:19px;font-weight:600;line-height:1.8;overflow-wrap:anywhere}
.article-section>h2+h3{margin-top:0}
.article-section.section-10{padding:32px;background:#fff;border:1px solid #dfc4b1;border-radius:6px}
.article-section.section-10>h2{font-size:26px}
@media(max-width:600px){
 .article-section{margin-top:60px}
 .article-section>.section-kicker{font-size:10px;padding:5px 12px}
 .article-section>h2{font-size:22px;padding:18px 17px;margin-bottom:27px;line-height:1.75}
 .article-section>h3{font-size:17px;margin-top:36px;margin-bottom:18px;padding:9px 12px 11px}
 .article-section>h2+h3{margin-top:0}
 .article-section.section-10{padding:22px 17px}
 .article-section.section-10>h2{font-size:22px}
}

.footer-logo{display:block;width:280px;max-width:80%;margin:0 auto 24px}.footer-logo .logo-crop{width:100%}