:root{color-scheme:light;--ink:#172f3c;--muted:#475f6c;--line:#d0dcd9;--paper:#fbfcf8;--accent:#006355}
*{box-sizing:border-box}html{scroll-padding-top:1rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,BlinkMacSystemFont,'Yu Gothic UI','Yu Gothic',Meiryo,sans-serif;font-size:17px;line-height:1.85}a{color:var(--accent);text-underline-offset:.22em}a:focus-visible{outline:3px solid #bb7300;outline-offset:4px}a,button{touch-action:manipulation}.shell{width:min(1080px,calc(100% - 64px));margin:auto}.skip{position:absolute;left:1rem;top:-8rem;background:white;padding:10px 16px;z-index:10}.skip:focus{top:.5rem}header{border-bottom:1px solid var(--line);background:#fff}.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:15px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);min-height:44px;font-size:18px;font-weight:750}.brand img{width:36px;height:36px}nav{display:flex;flex-wrap:wrap;gap:4px 16px}nav a{display:flex;align-items:center;min-height:44px;text-decoration:none;padding:3px 2px;font-size:15px}nav a[aria-current=page]{border-bottom:2px solid var(--accent);font-weight:700}.hero{padding:48px 0 28px;display:grid;grid-template-columns:1.25fr 1fr;gap:42px;align-items:center}.eyebrow{font-size:14px;color:var(--accent);letter-spacing:.1em;font-weight:750;margin:0 0 12px}h1,h2,h3{line-height:1.5;overflow-wrap:normal;word-break:normal;line-break:strict}h1{font-size:clamp(27px,3.2vw,38px);letter-spacing:-.03em;margin:0 0 18px;font-weight:760}h2{font-size:25px;margin:0 0 14px}h3{font-size:18px;margin:0 0 8px}p{margin:0 0 14px}p:last-child{margin-bottom:0}.intro{font-size:18px}.fine{color:var(--muted);font-size:15px}.flow{margin:0;padding:25px;border-left:3px solid var(--accent);background:#eaf3ef;list-style:none}.flow li{padding:5px 0}.flow li:not(:last-child)::after{content:'↓';display:block;color:var(--accent);font-size:22px;line-height:1.2;margin:8px 0}.flow strong,.flow span{display:block}.flow span{font-size:15px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:20px}.actions a{display:inline-flex;align-items:center;min-height:46px;padding:6px 14px;border:1px solid var(--accent);text-decoration:none;font-weight:650}.actions a:first-child{background:var(--accent);color:white}.band{border-block:1px solid var(--line);padding:24px 0;margin:12px 0 30px}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.facts article+article{border-left:1px solid var(--line);padding-left:24px}.body-section{max-width:780px;margin-bottom:32px}.doc{max-width:780px;padding:38px 0 36px}.doc h1{font-size:clamp(28px,3vw,36px);margin-bottom:12px}.doc section{border-top:1px solid var(--line);padding-top:24px;margin-top:26px}.doc h2{font-size:22px}.doc ul{padding-left:1.4em;margin:8px 0 12px}.doc li{margin-bottom:10px}.doc a,.body-section a{display:inline-block;min-height:44px;line-height:1.7;padding-block:7px;max-width:100%;overflow-wrap:anywhere}.scope{font-family:ui-monospace,Consolas,monospace;font-size:14px;overflow-wrap:anywhere;display:block;background:#edf2f0;padding:12px}.update{font-size:14px;color:var(--muted);margin-bottom:18px}footer{border-top:1px solid var(--line);padding:22px 0;background:#f0f4f0}.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}footer p{font-size:14px;margin:0}.foot nav a{font-size:14px}::selection{background:#d4edda}
@media(max-width:650px){.shell{width:calc(100% - 36px)}.top{display:block;padding-block:10px}.brand{font-size:17px}nav{gap:4px 18px}.hero{display:block;padding:28px 0 18px}.hero h1{font-size:28px;line-height:1.55;letter-spacing:-.04em}.intro{font-size:17px}.flow{margin-top:24px;padding:18px 22px}.facts{grid-template-columns:1fr;gap:18px}.facts article+article{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.band{padding:20px 0;margin:10px 0 25px}.doc{padding:28px 0}.doc section{padding-top:20px;margin-top:22px}.doc h2,h2{font-size:22px}.actions a{padding-inline:12px}.foot{display:block}.foot nav{margin-top:8px}}
.sentence{display:block}