:root{color:#282e37;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--muted:#656b74;--line:#cdd0d6;--brass:#947640;background:#e8e9ec;font-family:Hiragino Sans,Yu Gothic,Meiryo,sans-serif}*{box-sizing:border-box}body{min-width:320px;margin:0}button,a,summary{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button,a,summary{touch-action:manipulation}button:focus-visible,a:focus-visible,summary:focus-visible{outline-offset:5px;outline:3px solid #77602e}button svg,.wordmark svg{stroke:currentColor;stroke-width:1.5px;stroke-linecap:round;stroke-linejoin:round}button{border:0}a{color:inherit}.app-shell{max-width:1640px;margin:0 auto;padding:0 64px}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:100px;display:flex}.wordmark{letter-spacing:-.8px;align-items:center;gap:13px;font-size:24px;font-weight:700;text-decoration:none;display:inline-flex}.brand-period{color:var(--brass);margin-left:-11px}.header-note{color:var(--muted);letter-spacing:.07em;font-size:12px}.viewer-section{position:relative}.intro{z-index:1;pointer-events:none;justify-content:space-between;align-items:center;padding-top:44px;display:flex;position:relative}h1{letter-spacing:.06em;margin:0 0 10px;font-size:clamp(23px,2.5vw,34px);font-weight:500}.intro p{color:var(--muted);letter-spacing:.04em;margin:0;font-size:13px}.model-caption{color:#4f5660;align-items:center;gap:13px;font-size:12px;line-height:1.8;display:flex}.caption-sub{color:var(--muted);font-size:11px;display:block}.material-swatch{background:#b39b68;border:3px solid #e8e9ec;border-radius:50%;outline:1px solid #c7c6be;width:25px;height:25px;box-shadow:inset -5px -3px 6px #8f733b,inset 3px 3px 5px #d9c899}.viewer-stage{height:clamp(340px,46vw,590px);margin-top:-22px;position:relative}.viewer-stage>div:has(canvas){touch-action:none}.viewer-stage canvas{touch-action:none;cursor:grab;outline:none}.viewer-stage canvas:active{cursor:grabbing}.viewer-stage.has-hover canvas{cursor:pointer}.viewer-message{text-align:center;z-index:3;color:var(--muted);background:#e8e9ec;flex-direction:column;justify-content:center;align-items:center;gap:10px;padding:24px;display:flex;position:absolute;inset:0}.viewer-message h2{color:#282e37;margin:0;font-size:19px;font-weight:500}.viewer-message p{margin:8px 0;font-size:13px;line-height:1.9}.primary-button{color:#fff;background:#282e37;border-radius:6px;margin-top:10px;padding:12px 22px}.message-symbol{color:#966148;border:1px solid #ad8274;border-radius:50%;width:32px;margin-bottom:8px;line-height:30px}.loading-ring{border:2px solid #c8cbd0;border-top-color:#947640;border-radius:50%;width:28px;height:28px;animation:1s linear infinite loading}@keyframes loading{to{transform:rotate(360deg)}}.key-readout{color:var(--muted);white-space:nowrap;pointer-events:none;align-items:center;gap:10px;min-height:26px;font-size:11px;display:flex;position:absolute;bottom:5px;left:50%;transform:translate(-50%)}.readout-dot{background:#858b95;border-radius:50%;width:5px;height:5px}.readout-dot.is-pressed{background:#947640;box-shadow:0 0 0 4px #94764020}.readout-key{color:#363d47;font-size:15px;font-weight:700}.controls-area{z-index:4;flex-direction:column;align-items:center;gap:18px;padding:23px 0 41px;display:flex;position:relative}.viewer-toolbar{background:#f7f8fa;border:1px solid #ffffffd9;border-radius:12px;align-items:center;gap:12px;padding:7px;display:flex;box-shadow:0 4px 18px #252c3610,0 1px 3px #252c3606}.view-presets{gap:3px;display:flex}.view-button{color:#646b75;background:0 0;border-radius:6px;align-items:center;gap:9px;min-height:44px;padding:10px 16px;font-size:12px;font-weight:500;display:flex}.view-button[aria-pressed=true]{color:#fff;background:#303741;box-shadow:0 2px 4px #30374120}.view-button:hover:not([aria-pressed=true]),.reset-button:hover{background:#e8eaee}.toolbar-divider{background:#dce0e5;width:1px;height:24px}.reset-button{color:#646b75;background:0 0;border-radius:6px;place-items:center;width:44px;height:44px;display:grid}.input-toggle{background:0 0;align-items:center;gap:10px;min-height:44px;padding:10px 14px 10px 6px;font-size:11px;display:flex}.toggle-track{background:#c3c8d0;border-radius:20px;width:28px;height:17px;padding:3px;display:block}.toggle-track>span{background:#fff;border-radius:50%;width:11px;height:11px;transition:transform .15s;display:block;box-shadow:0 1px 2px #0002}.input-toggle[aria-pressed=true] .toggle-track{background:#887042}.input-toggle[aria-pressed=true] .toggle-track>span{transform:translate(11px)}.operation-hint{color:var(--muted);gap:23px;margin:0;font-size:11px;display:flex}.operation-hint span+span{position:relative}.operation-hint span+span:before{content:"";background:#959ba4;border-radius:50%;width:2px;height:2px;position:absolute;top:9px;left:-13px}.input-hint{text-align:center;color:#6c5b36;margin:0;font-size:11px}.object-info{border-top:1px solid var(--line);justify-content:space-between;align-items:center;gap:30px;padding:29px 0;display:flex}.object-title{align-items:center;gap:20px;display:flex}.object-mark{color:#747b84;font-size:34px}.object-title h2{letter-spacing:.07em;margin:0 0 6px;font-size:17px;font-weight:500}.object-title p{color:var(--muted);margin:0;font-size:11px}.object-specs{gap:53px;margin:0;display:flex}.object-specs dt{color:var(--muted);margin-bottom:6px;font-size:10px}.object-specs dd{letter-spacing:-.03em;margin:0;font-size:22px;font-weight:500}.object-specs dd span{color:var(--muted);margin-left:6px;font-size:10px}.key-list{border-top:1px solid var(--line)}.key-list summary{cursor:pointer;color:#59616d;justify-content:space-between;align-items:center;min-height:48px;padding:19px 0;font-size:12px;list-style:none;display:flex}.key-list summary::-webkit-details-marker{display:none}.key-list summary span{font-size:18px}.key-list[open] summary span{transform:rotate(45deg)}.key-list-content{padding:0 0 26px}.key-list-content>p{color:var(--muted);margin:0 0 16px;font-size:11px}.key-grid{max-width:940px;margin:0 auto;padding:6px}.key-row{gap:5px;margin-top:5px;display:flex}.key-row button{overflow-wrap:anywhere;background:#f4f4f6;border:1px solid #d2d5da;border-bottom-width:3px;border-radius:5px;flex-basis:0;min-width:0;min-height:44px;font-size:11px}.key-row button:hover,.key-row button:focus-visible{background:#e2d8be}.key-row button[aria-pressed=true]{background:#cbb986;border-bottom-width:1px;transform:translateY(2px)}footer{border-top:1px solid var(--line);color:var(--muted);justify-content:space-between;align-items:center;gap:16px;padding:23px 0 29px;font-size:10px;display:flex}footer>span:first-child{font-size:12px;font-weight:700}footer a{text-underline-offset:3px}@media (width>=1400px){.app-shell{padding:0 90px}.viewer-stage{height:600px}}@media (width<=900px){.app-shell{padding:0 30px}.site-header{height:80px}.intro{padding-top:34px}.viewer-stage{height:440px;margin-top:0}.object-specs{gap:26px}.object-title{gap:12px}.object-title h2{font-size:15px}}@media (width<=600px){.app-shell{padding:0 20px}.site-header{height:72px}.wordmark{gap:9px;font-size:21px}.brand-period{margin-left:-8px}.header-note{display:none}.intro{align-items:flex-start;padding-top:28px}h1{letter-spacing:.03em;font-size:23px}.intro p{font-size:11px}.model-caption{display:none}.viewer-stage{height:320px;margin:0 -12px}.viewer-toolbar{border-radius:10px;flex-wrap:wrap;justify-content:center;gap:5px;padding:6px}.view-button{gap:6px;padding:9px 10px;font-size:11px}.view-button svg{width:18px}.input-divider{display:none}.input-toggle{border-top:1px solid #e1e4e9;justify-content:center;width:100%;padding:9px}.controls-area{gap:15px;padding:22px 0 29px}.operation-hint{gap:17px;font-size:9px}.operation-hint span+span:before{top:7px;left:-9px}.object-info{padding:22px 0;display:block}.object-mark{font-size:28px}.object-title h2{font-size:16px}.object-specs{justify-content:space-between;margin-top:24px;padding-left:0}.object-specs dd{font-size:22px}.key-row{gap:2px}.key-row button{min-height:38px;padding:2px;font-size:8px}footer{flex-wrap:wrap;gap:10px;padding:20px 0}footer>span:nth-child(2){margin-left:auto}footer>a{width:100%}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}