:root{--ink:#111827;--muted:#5b6472;--line:#d7dde7;--soft:#f5f7fb;--accent:#1f6feb;--hold:#8a5a00;--radius:16px;--shadow:0 8px 24px rgba(17,24,39,.08)}
*{box-sizing:border-box}html{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.65}body{margin:0}a{color:#0b5bd3;text-decoration:none}a:hover{text-decoration:underline}:where(a,button,[tabindex]):focus-visible{outline:3px solid var(--accent);outline-offset:3px}.site-shell{max-width:1120px;margin:0 auto;padding:0 24px;min-width:0}.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}.site-header .site-shell{display:flex;justify-content:space-between;align-items:center;min-height:64px}.brand{font-weight:850;color:#111827;letter-spacing:-.02em}.nav a{margin-left:18px;color:#374151;font-weight:700}.hero{padding:54px 0 28px}.hero h1{font-size:clamp(2rem,5vw,3.45rem);line-height:1.12;margin:0 0 18px;letter-spacing:-.045em}.hero p{font-size:1.08rem;max-width:820px;color:var(--muted)}.quick-check{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin:24px 0;padding:0;list-style:none}.quick-check li{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:14px}.guide-figure{margin:26px 0;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);overflow:hidden;max-width:100%}.guide-figure img{display:block;width:100%;max-width:100%;height:auto}.section{padding:24px 0;border-top:1px solid var(--line);min-width:0}.section h2{font-size:1.65rem;margin:0 0 14px;letter-spacing:-.025em}.flow-list,.check-list{padding-left:1.25rem}.flow-list li,.check-list li{margin:.5rem 0}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;margin:16px 0;background:#fff;width:100%;max-width:100%}.table-wrap table{width:100%;border-collapse:collapse;min-width:720px}.table-wrap th,.table-wrap td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}.table-wrap th{background:#f3f6fb}.resource-banner{margin:18px 0 10px;border:1px solid #b9cdfa;background:#eef4ff;border-radius:18px;padding:18px;display:grid;gap:9px}.resource-banner strong{font-size:1.12rem}.resource-banner .button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border-radius:12px;background:var(--accent);color:#fff;font-weight:800;text-decoration:none;max-width:max-content}.note{background:#fff7ed;border:1px solid #fed7aa;padding:14px;border-radius:14px;color:#6b3a00}.source-list{padding-left:1.25rem}.source-list li{margin:.65rem 0;overflow-wrap:anywhere}.site-footer{margin-top:42px;border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:.92rem}main,section,figure{min-width:0;max-width:100%}img,svg{max-width:100%}
@media(max-width:720px){.site-shell{padding:0 16px}.site-header .site-shell{align-items:flex-start;flex-direction:column;gap:8px;padding-top:12px;padding-bottom:12px}.nav a{margin:0 14px 0 0}.quick-check{grid-template-columns:1fr}.hero{padding:34px 0 20px}.resource-banner .button{width:100%;max-width:none}.guide-figure{border-radius:14px}}
@media print{.site-header,.site-footer,.nav{display:none!important}.site-shell{max-width:none;padding:0}.section{break-inside:avoid}.resource-banner{box-shadow:none}@page{size:A4;margin:14mm 12mm}}