.ab .ab-main{flex:1 0 auto}.ab .ab-hd,.ab .hero{background-color:var(--board);background-image:radial-gradient(var(--board-dot) 1.4px, transparent 1.7px);background-size:22px 22px}.ab .ab-hd{padding:0 16px}.ab .hero{background-position:0 -68px;padding:0 16px 26px;display:flow-root}.ab .hero-in{max-width:728px;margin:0 auto}.ab .ttl{font-family:var(--font-display);letter-spacing:.02em;margin:6px 0 0;scroll-margin-top:16px;font-size:36px;font-weight:400;line-height:1.2}.ab .main{box-sizing:border-box;gap:16px;width:100%;max-width:760px;margin:0 auto;padding:20px 16px 0;display:grid}.ab .sec{border-radius:var(--radius-card);background:var(--surface);box-shadow:var(--ring-card);padding:22px 18px 24px}.ab .sec h2{font-family:var(--font-display);margin:0 0 12px;scroll-margin-top:16px;font-size:22px;font-weight:400;line-height:1.3}.ab .sec h3{margin:20px 0 6px;font-size:15px;font-weight:800;line-height:1.5}.ab .sec p,.ab .sec li{text-wrap:pretty;margin:0;font-size:15px;font-weight:500;line-height:1.8}.ab .sec p+p{margin-top:10px}.ab .sec ul{margin:0;padding-left:1.3em}.ab .sec li+li{margin-top:4px}.ab .sec a.ln{color:var(--link);text-underline-offset:3px;font-weight:800;text-decoration:underline}.ab .dl{gap:12px;margin:14px 0 0;display:grid}.ab .dl>div{gap:2px;display:grid}.ab .dl dt{color:var(--ink-muted);font-size:13px;font-weight:800;line-height:1.4}.ab .dl dd{text-wrap:pretty;margin:0;font-size:15px;font-weight:800;line-height:1.6}.ab .ph{display:inline-block}.ab .sec .ask{margin:0 0 14px}.ab .fl{color:var(--report-icon);vertical-align:-2px;margin:0 3px 0 4px;display:inline-block}.ab .mail{border-radius:var(--radius-option);background:var(--page);box-shadow:var(--ring-control);gap:10px;margin-top:12px;padding:14px 16px 16px;display:grid}.ab .mail a{color:var(--link);text-underline-offset:3px;overflow-wrap:anywhere;justify-self:start;font-size:17px;font-weight:800;line-height:1.5;text-decoration:underline}.ab .copy-fail{margin-top:10px}.ab .ft-slot{margin-top:40px}@media (width>=1024px){.ab .ab-hd{padding:0 40px}.ab .hero{background-position:0 -88px;padding:0 40px 36px}.ab .ttl{margin-top:10px;font-size:46px}.ab .main{gap:20px;padding-top:28px}.ab .sec{padding:28px 32px 30px}.ab .dl>div{grid-template-columns:9em minmax(0,1fr);align-items:baseline;gap:16px}.ab .mail{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:12px 12px 12px 20px}.ab .ft-slot{margin-top:56px}}