*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:#0f1419;background:#fff;min-height:100vh;margin:0;font-family:Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,system-ui,sans-serif;line-height:1.5}#root{min-height:100vh}button,input,select{font:inherit}a{color:inherit}.prose a{color:#1d9bf0}.site-header{border-bottom:1px solid #eff3f4;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem 1rem;margin-bottom:1.25rem;padding-bottom:.85rem;display:flex}.header-right{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;display:flex}.lang-switch select{color:#0f1419;cursor:pointer;background:#fff;border:1px solid #cfd9de;border-radius:999px;padding:.3rem .55rem;font-size:.8rem;font-weight:700}.brand-link{color:inherit;flex-wrap:wrap;align-items:baseline;gap:.65rem;text-decoration:none;display:flex}.nav{flex-wrap:wrap;gap:.35rem .15rem;display:flex}.nav-a{color:#536471;border-radius:999px;padding:.35rem .65rem;font-size:.86rem;font-weight:700;text-decoration:none}.nav-a:hover{color:#0f1419;background:#f7f9f9}.nav-a.on{color:#fff;background:#0f1419}.foot-nav{flex-wrap:wrap;gap:.5rem 1rem;margin-bottom:.65rem;display:flex}.foot-nav a{color:#1d9bf0;font-weight:600;text-decoration:none}.foot-nav a:hover{text-decoration:underline}.prose{color:#0f1419;max-width:44rem;line-height:1.75}.prose h1{letter-spacing:-.02em;margin:0 0 .75rem;font-size:1.55rem}.prose h2{margin:1.75rem 0 .55rem;font-size:1.15rem}.prose p,.prose li{color:#3d4a54;font-size:.95rem}.prose ul{padding-left:1.2rem}.prose code{background:#f7f9f9;border-radius:4px;padding:.1rem .35rem;font-size:.88em}.prose .formula{background:#f7f9f9;border:1px solid #eff3f4;border-radius:12px;padding:.85rem 1rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.85rem;line-height:1.6;overflow-x:auto}.cta-row{flex-wrap:wrap;gap:.65rem;margin:1.25rem 0 .5rem;display:flex}.btn-link{appearance:none;color:#0f1419;background:#fff;border:1px solid #cfd9de;border-radius:999px;align-items:center;padding:.65rem 1rem;font-size:.92rem;font-weight:700;text-decoration:none;display:inline-flex}.btn-link.primary{color:#fff;background:#1d9bf0;border-color:#1d9bf0}.content-block{border-top:1px solid #eff3f4;margin-top:2.5rem;padding-top:1.5rem}.content-block h2{margin:0 0 .65rem;font-size:1.15rem}.content-block h3{margin:1.15rem 0 .4rem;font-size:1rem}.content-block p,.content-block li{color:#536471;font-size:.94rem;line-height:1.7}.content-block a{color:#1d9bf0}.examples-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin:0;display:grid}.example-card{background:#fff;border:1px solid #eff3f4;border-radius:14px;overflow:hidden}.example-card .pair{grid-template-columns:1fr 1fr;display:grid}.example-card .pair figure{background:#f7f9f9;margin:0}.example-card .pair img{aspect-ratio:3/4;object-fit:cover;width:100%;display:block}.example-card .pair figcaption{text-align:center;color:#536471;background:#fff;border-top:1px solid #eff3f4;padding:.35rem;font-size:.72rem;font-weight:700}.example-card .body{padding:.75rem .9rem .95rem}.example-card h3{margin:0 0 .35rem;font-size:.95rem}.example-card p{color:#536471;margin:0;font-size:.82rem;line-height:1.55}.example-card a{color:#1d9bf0;font-size:.82rem;font-weight:600}.credit{color:#8b98a5;margin-top:.45rem;font-size:.78rem}.demo-load{margin-top:.5rem}.page{max-width:1100px;margin:0 auto;padding:1.5rem 1.25rem 3rem}.top{margin-bottom:1.25rem}.logo{letter-spacing:-.03em;color:#0f1419;font-size:1.75rem;font-weight:800}.tag{color:#536471;font-size:.95rem;font-weight:600}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.tool-block{margin-bottom:.25rem}.tool-head{justify-content:space-between;align-items:center;gap:.75rem;margin-bottom:.85rem;display:flex}.tool-title{margin:0;font-size:1.1rem}.results-block{border-top:1px solid #eff3f4;margin-top:2rem;padding-top:1.5rem}.showcase-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))!important;gap:.85rem!important}.showcase-card .pair.single img{aspect-ratio:3/4;object-fit:cover;max-height:240px}.showcase-card .body{padding:.55rem .7rem .75rem}.showcase-card h3{margin:0;font-size:.88rem}.showcase-card .body p{margin:.25rem 0 0;font-size:.78rem}.results-head{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:.75rem 1rem;margin-bottom:1rem;display:flex}.results-head h2{margin:0 0 .35rem;font-size:1.15rem}.results-lead{color:#536471;max-width:40rem;margin:0;font-size:.9rem;line-height:1.6}.results-more{color:#1d9bf0;white-space:nowrap;font-size:.88rem;font-weight:700;text-decoration:none}.results-more:hover{text-decoration:underline}.example-card .pair.single{grid-template-columns:1fr}.example-card .pair.single img{aspect-ratio:3/4;object-fit:contain;background:inherit;width:100%;max-height:280px}.card-actions{flex-wrap:wrap;align-items:center;gap:.5rem .75rem;margin-top:.5rem;display:flex}.card-actions a{color:#1d9bf0;font-size:.82rem;font-weight:600}.lead{color:#0f1419;max-width:52rem;margin:.75rem 0 0;line-height:1.65}.warn{color:#3d2e00;background:#fff8e6;border:1px solid #f5d78e;border-radius:12px;margin-bottom:1.5rem;padding:.85rem 1rem;font-size:.92rem;line-height:1.55}.grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}@media (width<=820px){.grid{grid-template-columns:1fr}}.col{flex-direction:column;gap:.85rem;display:flex}.slot{cursor:pointer;display:block}.slot-head{justify-content:space-between;gap:.5rem;margin-bottom:.35rem;font-size:.88rem;display:flex}.slot-label{color:#0f1419;font-weight:700}.slot-hint{color:#536471}.slot-body{background:#f7f9f9;border:2px dashed #cfd9de;border-radius:14px;place-items:center;min-height:160px;transition:border-color .15s;display:grid;position:relative;overflow:hidden}.slot-body.has{border-style:solid;border-color:#1d9bf0}.slot-body img{object-fit:contain;background:repeating-conic-gradient(#eee 0% 25%,#fff 0% 50%) 50%/16px 16px;width:100%;height:180px;display:block}.slot-placeholder{color:#536471;font-size:.9rem}.slot-body input{opacity:0;cursor:pointer;position:absolute;inset:0}.linkish{color:#1d9bf0;cursor:pointer;text-align:left;background:0 0;border:none;padding:.2rem 0;font-size:.85rem}.controls{background:#f7f9f9;border:1px solid #eff3f4;border-radius:14px;flex-direction:column;gap:.65rem;padding:.85rem;display:flex}.ctrl{color:#0f1419;flex-direction:column;gap:.3rem;font-size:.85rem;font-weight:600;display:flex}.ctrl select,.ctrl input[type=range]{width:100%}.ctrl select{font:inherit;background:#fff;border:1px solid #cfd9de;border-radius:8px;padding:.45rem .55rem}.btn{appearance:none;color:#0f1419;cursor:pointer;background:#fff;border:1px solid #cfd9de;border-radius:999px;padding:.65rem 1rem;font-size:.92rem;font-weight:700}.btn:disabled{opacity:.45;cursor:not-allowed}.btn.primary{color:#fff;background:#1d9bf0;border-color:#1d9bf0}.btn.sm{padding:.3rem .7rem;font-size:.8rem}.err{color:#f4212e;margin:0;font-size:.9rem}.preview-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem;font-size:.88rem;font-weight:700;display:flex}.tabs{gap:.35rem;display:flex}.tabs button{cursor:pointer;background:#fff;border:1px solid #cfd9de;border-radius:999px;padding:.3rem .7rem;font-size:.8rem;font-weight:600}.tabs button.on{color:#fff;background:#0f1419;border-color:#0f1419}.preview{border:1px solid #eff3f4;border-radius:16px;place-items:center;min-height:320px;padding:1rem;display:grid;overflow:hidden}.preview img{object-fit:contain;max-width:100%;max-height:420px;display:block}.muted{color:#536471;font-size:.9rem}.meta{color:#536471;margin:0;font-size:.8rem}.captions{border:1px solid #eff3f4;border-radius:14px;padding:.9rem 1rem}.captions h2{margin:0 0 .6rem;font-size:1rem}.captions ul{flex-direction:column;gap:.45rem;margin:0;padding:0;list-style:none;display:flex}.captions li{justify-content:space-between;align-items:center;gap:.5rem;display:flex}.captions code{text-overflow:ellipsis;white-space:nowrap;background:#f7f9f9;border-radius:6px;flex:1;padding:.35rem .5rem;font-size:.88rem;overflow:hidden}.faq{border-top:1px solid #eff3f4;margin-top:2.5rem;padding-top:1.5rem}.faq h2{margin:0 0 .75rem;font-size:1.15rem}.faq details{background:#fff;border:1px solid #eff3f4;border-radius:10px;margin-bottom:.5rem;padding:.7rem .9rem}.faq summary{cursor:pointer;font-weight:700}.faq p{color:#536471;margin:.5rem 0 0;font-size:.92rem;line-height:1.6}.foot{color:#536471;border-top:1px solid #eff3f4;margin-top:2rem;padding-top:1rem;font-size:.82rem}.foot a,.foot>p a{color:#1d9bf0}