:root{--coral:#dd6867;--coral-deep:#c8514f;--slate:#4c7299;--mist:#cddce3;--paper:#fafaf9;--surface:#ffffff;--ink:#26292e;--ink-sub:#626a75;--line:#e4e6ea}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Yu Gothic UI,Meiryo,sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}main{max-width:720px;margin:0 auto;padding:48px 24px}main.wide{max-width:880px;padding:40px 24px 64px}h1{font-size:1.5rem;margin:0 0 8px}a{color:var(--slate)}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--coral);outline-offset:2px}.subtext{color:var(--ink-sub);font-size:.875rem;margin:0 0 24px}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:24px}.card,.error{margin-bottom:16px}.error{background:#ffebe9;border:1px solid #ff8182;border-radius:8px;color:#a40e26;padding:12px 16px;font-size:.875rem}form{margin:0}label{display:block;font-size:.875rem;font-weight:600;margin-bottom:4px}input[type=email],input[type=password],input[type=text]{width:100%;padding:8px 12px;border:1px solid var(--line);border-radius:6px;font-size:1rem;margin-bottom:16px}button{display:block;width:100%;padding:10px 16px;border:none;border-radius:6px;font-size:1rem;font-weight:600;cursor:pointer}.btn-google{background:var(--surface);border:1px solid var(--line);color:var(--ink)}.btn-google:hover{background:var(--paper)}.btn-primary{background:var(--coral);color:#fff}.btn-primary:hover{background:var(--coral-deep)}.btn-link{width:auto;background:none;border:none;padding:0;color:var(--ink-sub);font-size:.8125rem;font-weight:400;text-decoration:underline;cursor:pointer}.site-header{background:var(--surface);border-bottom:1px solid #e9e9ec;padding:14px 24px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;row-gap:10px}.site-header .logo-link{display:flex;align-items:center;flex-shrink:0}.brand-divider,.site-header .logo{height:28px;flex-shrink:0}.brand-divider{width:1px;background:#e0e0e3}.site-title{margin:0;font-size:17px;letter-spacing:.02em;white-space:nowrap}.account{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:13px}.login-badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px;background:#eef4fb;color:#2563ab;white-space:nowrap}.login-badge.external{background:#fdf3e7;color:#b45309}.account .email{color:#55555a;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.account .logout{width:auto;font-size:12.5px;font-weight:400;color:#71717a;background:var(--surface);padding:5px 12px;border:1px solid #d9d9dd;border-radius:8px;transition:background .15s}.account .logout:hover{background:#f5f5f6}main.top-main{max-width:860px;margin:0 auto;padding:56px 24px 80px}.page-title{margin:0 0 10px;font-size:24px}.page-lead{margin:0 0 36px;color:#71717a;font-size:14px;line-height:1.9}.demo-list{display:flex;flex-direction:column;gap:18px}.demo-card{display:flex;align-items:center;gap:26px;background:var(--surface);border:1px solid #e9e9ec;border-radius:14px;padding:26px 30px;text-decoration:none;color:inherit;box-shadow:0 1px 8px 0 rgba(0,0,0,.03);transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}a.demo-card:hover{box-shadow:0 4px 16px 0 rgba(0,0,0,.06);border-color:#d6d6db;transform:translateY(-1px)}.demo-card .card-visual{width:84px;height:84px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:56px}.demo-card .card-body{flex:1 1;min-width:0}.demo-card h2{margin:0 0 6px;font-size:16.5px;line-height:1.45;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.demo-card p{margin:0;color:#71717a;font-size:13.5px;line-height:1.8}.open-btn{display:inline-block;flex-shrink:0;font-size:13.5px;font-weight:700;color:#fff;background:#e50019;border-radius:8px;padding:10px 24px;transition:background .15s}a.demo-card:hover .open-btn{background:#dc2626}.badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:999px;flex-shrink:0}.badge.beta{background:#fef0f0;color:#e50019}.empty{border:1px dashed var(--mist);border-radius:12px;background:var(--surface);color:var(--ink-sub);text-align:center;padding:48px 24px;display:grid;justify-items:center;grid-gap:12px;gap:12px;font-size:.9375rem}.empty svg{opacity:.45}main.login{max-width:420px;padding:72px 24px 48px}.brand-block{display:grid;justify-items:center;grid-gap:6px;gap:6px;text-align:center;margin-bottom:28px}.brand-title{font-size:1.125rem;font-weight:700;letter-spacing:.01em}.brand-sub{font-size:.75rem;color:var(--ink-sub);letter-spacing:.35em;text-indent:.35em}.login-card{padding:24px}.login-label{font-weight:700;letter-spacing:.03em;margin:0 0 14px}.login-label,.login-note{font-size:.8125rem;color:var(--ink-sub)}.login-note{margin:0 0 16px}.btn-google{display:flex;align-items:center;justify-content:center;gap:10px}.switch-link{font-size:.8125rem;color:var(--ink-sub);text-align:center;margin:20px 0 0;line-height:1.9}.login-alt-actions{display:flex;flex-direction:column;align-items:center;gap:10px;margin-top:20px}@media (prefers-reduced-motion:no-preference){.demo-list>.demo-card{animation:card-in .4s cubic-bezier(.2,.7,.3,1) both}.demo-list>.demo-card:nth-child(2){animation-delay:.06s}.demo-list>.demo-card:nth-child(3){animation-delay:.12s}.demo-list>.demo-card:nth-child(n+4){animation-delay:.18s}@keyframes card-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}}