:root{--bg: #ffffff;--ink: #1a1a1a;--muted: #6b7280;--accent: #000000;--accent-hover: #333333}*{box-sizing:border-box}h1,h2,h3,strong,b{font-weight:600}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;line-height:1.6}.mono{font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace}.site-header{border-bottom:1px solid #eee}.site-header__inner{max-width:1120px;margin:0 auto;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-header__brand{font-weight:600;font-size:1.25rem;color:var(--ink);text-decoration:none}.site-header__nav{display:flex;gap:20px;font-size:.9rem}.site-header__nav a{color:var(--muted);text-decoration:none}.site-header__nav a:hover{color:var(--ink)}.hero{max-width:1120px;margin:0 auto;padding:64px 28px 40px;text-align:center}.hero__inner{max-width:640px;margin:0 auto}.hero h1{font-size:3rem;margin:16px 0 8px;letter-spacing:-.02em}.tagline{font-size:1.25rem;color:var(--muted);margin:0 0 24px}.hero-actions{margin:24px 0 12px}.requirement{color:var(--muted);font-size:.9rem;margin:0 0 8px}.hero-links{font-size:.9rem;color:var(--muted);margin:0}.hero-links a{color:var(--accent)}.copy-link{background:none;border:none;padding:0;color:var(--accent);cursor:pointer;font-size:inherit}.copy-link:hover{text-decoration:underline}.button{display:inline-block;background:var(--accent);color:#fff;font-weight:600;font-size:1.05rem;padding:12px 32px;border-radius:8px;text-decoration:none}.button:hover{background:var(--accent-hover);color:#fff}.button__version{opacity:.75;font-weight:400}.shot{max-width:1120px;margin:0 auto;padding:8px 28px 48px}.shot img{display:block;width:100%;height:auto;border-radius:8px}.highlights{max-width:1120px;margin:0 auto;padding:8px 28px 24px}.highlights__inner{display:grid;gap:32px;grid-template-columns:repeat(auto-fit, minmax(min(100%,16rem), 1fr))}.highlight h2{font-size:1.25rem;margin:0 0 8px}.highlight p{color:var(--muted);margin:0}.section{max-width:1120px;margin:0 auto;padding:48px 28px}.section h2{font-size:1.8rem;margin:0 0 16px;letter-spacing:-.01em}.prose ul{margin:0;padding-left:1.25em;color:var(--muted)}.prose li+li{margin-top:8px}.prose a{color:var(--accent)}.faq details{border-top:1px solid #eee;padding:14px 0}.faq details:last-child{border-bottom:1px solid #eee}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:8px 0 0;color:var(--muted)}.download{max-width:1120px;margin:0 auto;padding:64px 28px;text-align:center}.download h2{font-size:1.8rem;margin:0 0 16px}.download p+p{margin-top:12px;color:var(--muted)}.site-footer{border-top:1px dotted #ccc;margin-top:48px}.helper__lede{color:var(--muted);max-width:44rem}.helper__steps{color:var(--muted);max-width:44rem}.helper__steps strong{color:var(--ink)}.helper__card{border:1px solid #eee;border-radius:12px;padding:20px 22px;margin:20px 0;max-width:44rem}.helper__card h3{margin:0 0 8px;font-size:1.1rem}.helper__card p{color:var(--muted);margin:8px 0}.helper__card--quiet{background:#fafafa}.helper__row{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.helper__input{flex:1 1 260px;font-size:1rem;padding:10px 14px;border:1px solid #ddd;border-radius:8px}.helper__btn{font-size:.95rem;padding:10px 20px}.helper__btn--ghost{background:#fff;color:var(--ink);border:1px solid #ddd}.helper__btn--ghost:hover{background:#f5f5f5;color:var(--ink)}.helper__btn--small{font-size:.85rem;padding:6px 14px}.helper__note{font-size:.85rem}.helper__result{background:#f6f8f6;border-radius:8px;padding:10px 14px;margin-top:10px}.helper__result p{margin:6px 0}.helper__id{font-size:1.4rem}.helper__guide{margin:14px 0 4px;border:1px solid #eee;border-radius:12px;overflow:hidden;background:#fff}.helper__guide img{display:block;width:100%;height:auto}.helper__guide figcaption{padding:10px 14px;font-size:.88rem;color:var(--muted)}.helper__guide figcaption strong{color:var(--ink)}.site-footer__inner{max-width:1120px;margin:0 auto;padding:24px 28px 48px}.site-footer__links{margin:0;text-align:center;font-size:.9rem;color:var(--muted)}.site-footer__links a{color:var(--muted);text-decoration:none}.site-footer__links a:hover{color:var(--accent)}@media (max-width: 640px){.site-header__nav{display:none}}