.sh-header{z-index:50;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffffff2;border-bottom:1px solid #e2e8f0;position:sticky;top:0;box-shadow:0 1px 12px #0f172a12}.sh-inner{justify-content:space-between;align-items:center;gap:24px;max-width:1100px;height:64px;margin:0 auto;padding:0 24px;display:flex}.sh-brand{color:#0f172a;letter-spacing:-.03em;align-items:center;gap:10px;font-size:18px;font-weight:800;text-decoration:none;display:flex}.sh-logo{border-radius:8px}.sh-nav{gap:4px;display:flex}.sh-link{color:#475569;border-radius:10px;align-items:center;padding:7px 14px;font-size:14px;font-weight:600;text-decoration:none;transition:background .14s,color .14s;display:inline-flex}.sh-link:hover{color:#0f172a;background:#f1f5f9}.site-page{background:#f8fafc;min-height:100vh;font-family:Inter,system-ui,sans-serif}.site-footer{text-align:center;color:#94a3b8;border-top:1px solid #e2e8f0;margin-top:80px;padding:32px 24px;font-size:13px}.site-footer a{color:#64748b;text-decoration:none}.site-footer a:hover{color:#0f172a}.guide-hero{color:#fff;text-align:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 50%,#0f172a 100%);padding:72px 24px 60px}.guide-hero img{border-radius:20px;margin-bottom:24px;box-shadow:0 24px 60px #0006}.guide-hero h1{letter-spacing:-.04em;margin:0 0 16px;font-size:clamp(32px,5vw,52px);font-weight:900;line-height:1.1}.guide-hero p{color:#94a3b8;max-width:640px;margin:0 auto;font-size:18px;line-height:1.6}.guide-hero-tags{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px;display:flex}.guide-tag{color:#e2e8f0;background:#ffffff1a;border:1px solid #fff3;border-radius:99px;padding:6px 14px;font-size:13px;font-weight:600}.guide-body{grid-template-columns:220px 1fr;align-items:start;gap:40px;max-width:1100px;margin:0 auto;padding:48px 24px 80px;display:grid}@media (max-width:800px){.guide-body{grid-template-columns:1fr}.guide-toc{display:none}}.guide-toc{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:20px;position:sticky;top:84px;box-shadow:0 2px 12px #0f172a0f}.guide-toc h3{letter-spacing:.08em;text-transform:uppercase;color:#94a3b8;margin:0 0 14px;font-size:11px;font-weight:800}.guide-toc ul{margin:0;padding:0;list-style:none}.guide-toc li{margin:0}.guide-toc a{color:#475569;border-radius:8px;padding:6px 10px;font-size:13px;font-weight:600;line-height:1.4;text-decoration:none;transition:background .12s,color .12s;display:block}.guide-toc a:hover{color:#0f172a;background:#f1f5f9}.guide-toc .toc-sub a{color:#64748b;padding-left:22px;font-size:12px;font-weight:500}.guide-content h2{letter-spacing:-.03em;color:#0f172a;border-top:2px solid #f1f5f9;align-items:center;gap:10px;margin:56px 0 16px;padding-top:8px;font-size:26px;font-weight:800;display:flex}.guide-content h2:first-child{border-top:none;margin-top:0}.guide-content h3{color:#1e293b;align-items:center;gap:8px;margin:32px 0 10px;font-size:18px;font-weight:800;display:flex}.guide-content p{color:#334155;margin:0 0 16px;font-size:15px;line-height:1.75}.guide-content ul,.guide-content ol{margin:0 0 16px;padding-left:24px}.guide-content li{color:#334155;margin-bottom:4px;font-size:15px;line-height:1.7}.guide-content strong{color:#0f172a}.guide-content code{color:#0f172a;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:6px;padding:2px 7px;font-family:SF Mono,Fira Code,monospace;font-size:13px}.guide-tip,.guide-note,.guide-warning{color:#334155;border-radius:12px;gap:12px;margin:20px 0;padding:14px 18px;font-size:14px;line-height:1.6;display:flex}.guide-tip{background:#eff6ff;border-left:4px solid #3b82f6}.guide-note{background:#f0fdf4;border-left:4px solid #22c55e}.guide-warning{background:#fff7ed;border-left:4px solid #f97316}.guide-tip .gi,.guide-note .gi,.guide-warning .gi{flex-shrink:0;font-size:20px;line-height:1.4}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin:20px 0;display:grid}.tool-card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:18px;box-shadow:0 2px 8px #0f172a0a}.tool-card-icon{margin-bottom:10px;font-size:26px}.tool-card h4{color:#0f172a;margin:0 0 6px;font-size:15px;font-weight:800}.tool-card p{color:#64748b;margin:0;font-size:13px;line-height:1.5}.tool-card kbd{color:#0f172a;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:5px;margin-top:8px;padding:1px 6px;font-family:monospace;font-size:11px;font-weight:700;display:inline-block}.kbd-table{border-collapse:collapse;width:100%;margin:16px 0}.kbd-table th{text-align:left;letter-spacing:.06em;text-transform:uppercase;color:#94a3b8;background:#f8fafc;border-bottom:2px solid #e2e8f0;padding:10px 14px;font-size:12px;font-weight:800}.kbd-table td{color:#334155;border-bottom:1px solid #f1f5f9;padding:10px 14px;font-size:14px}.kbd-table tr:last-child td{border-bottom:none}.kbd-table kbd{color:#0f172a;white-space:nowrap;background:#f1f5f9;border:1px solid #cbd5e1;border-radius:5px;padding:2px 7px;font-family:monospace;font-size:12px;font-weight:700;display:inline-block}.faq-item{background:#fff;border:1px solid #e2e8f0;border-radius:12px;margin-bottom:10px;overflow:hidden}.faq-item summary{color:#0f172a;cursor:pointer;justify-content:space-between;align-items:center;padding:16px 18px;font-size:15px;font-weight:700;list-style:none;display:flex}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:#94a3b8;font-size:18px}.faq-item[open] summary:after{content:"－"}.faq-item[open] summary{border-bottom:1px solid #f1f5f9}.faq-body{color:#475569;padding:14px 18px;font-size:14px;line-height:1.7}.about-hero{color:#fff;text-align:center;background:linear-gradient(135deg,#0f172a 0%,#1e3a5f 100%);padding:72px 24px 60px}.about-hero h1{letter-spacing:-.04em;margin:20px 0 14px;font-size:40px;font-weight:900}.about-hero p{color:#94a3b8;max-width:580px;margin:0 auto;font-size:17px;line-height:1.6}.about-body{max-width:780px;margin:0 auto;padding:60px 24px 100px}.about-body h2{color:#0f172a;margin:40px 0 12px;font-size:22px;font-weight:800}.about-body p{color:#475569;margin:0 0 16px;font-size:15px;line-height:1.75}.about-stack{flex-wrap:wrap;gap:10px;margin:16px 0;display:flex}.about-tag{color:#334155;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:99px;padding:6px 14px;font-size:13px;font-weight:700}.about-contact{color:#fff;text-align:center;background:#0f172a;border-radius:20px;margin-top:48px;padding:36px}.about-contact h3{margin:0 0 10px;font-size:20px;font-weight:800}.about-contact p{color:#94a3b8;margin:0 0 20px}.about-contact a{color:#60a5fa;font-weight:700;text-decoration:none}.privacy-body{max-width:780px;margin:0 auto;padding:60px 24px 100px}.privacy-body h1{letter-spacing:-.03em;color:#0f172a;margin:0 0 8px;font-size:34px;font-weight:900}.privacy-body .updated{color:#94a3b8;margin-bottom:48px;font-size:13px}.privacy-body h2{color:#0f172a;border-top:2px solid #f1f5f9;margin:40px 0 10px;padding-top:20px;font-size:20px;font-weight:800}.privacy-body h2:first-of-type{border-top:none}.privacy-body p{color:#475569;margin:0 0 14px;font-size:15px;line-height:1.75}.privacy-body ul{margin:0 0 14px;padding-left:22px}.privacy-body li{color:#475569;margin-bottom:4px;font-size:15px;line-height:1.7}.privacy-body a{color:#3b82f6}