:root{font-family:"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:#494536;background:#f7f4eb;font-synthesis:none;--olive:#68764a;--line:#e3dece;--muted:#8a8779}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:1px solid var(--line);background:#fffdf7;color:inherit;border-radius:8px;padding:9px 13px;transition:background .15s,border-color .15s}button:hover{background:#ecebdc;border-color:#b9bea3}button:focus-visible,input:focus-visible,select:focus-visible,.viewport:focus-visible{outline:3px solid #b8a366;outline-offset:3px}button[aria-pressed=true]{background:var(--olive);color:#fffdf2;border-color:var(--olive)}h1,h2,h3,p{margin:0}.masthead{height:75px;padding:0 4vw;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{color:inherit;text-decoration:none;display:flex;gap:10px;align-items:center;font-size:14px;font-weight:bold}.brand 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small{width:100%;text-align:right;font-size:10px}.workspace{display:grid;grid-template-columns:235px minmax(0,1fr);gap:27px}.inspector{border:1px solid var(--line);border-radius:15px;align-self:start;background:#fcfaf3;overflow:hidden}.inspector section{padding:19px;border-bottom:1px solid var(--line)}h2{font-size:12px;font-weight:bold}.section-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.text-button{border:0;background:transparent;border-radius:4px;padding:0;font-size:10px;color:var(--olive)}.reference img{width:100%;aspect-ratio:1.37;object-fit:cover;object-position:top;border-radius:8px;display:block;border:1px solid #e4e1d5}.reference p{font-size:11px;line-height:1.7;color:var(--muted);margin-top:10px}.motions{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin-top:12px}.motions button{font-size:11px;padding:9px 5px}.hint{font-size:10px;color:var(--muted);line-height:1.6;min-height:34px;margin-top:10px}.playback{display:flex;justify-content:space-between;align-items:center;margin-top:11px;gap:8px}.play{font-size:11px;flex:1;padding:9px 7px}.speed-label{display:flex;gap:5px;font-size:10px;align-items:center}.speed-label select{padding:6px 1px;border:0;background:transparent;font-size:11px;color:inherit}.timeline{display:flex;align-items:center;gap:7px;margin:12px 0 8px}.timeline input{min-width:0;flex:1;accent-color:var(--olive)}.timeline output{font-size:10px;min-width:30px;font-variant-numeric:tabular-nums}.check{display:flex;align-items:center;gap:8px;font-size:11px;margin-top:14px;cursor:pointer}.check input{accent-color:var(--olive);margin:0}.check span{margin-left:auto;color:#a09c8e;font-size:9px}.isolation-note{padding:15px 19px;font-size:10px;line-height:1.7;color:var(--muted);background:#f1f0e4}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;gap:10px}.segmented{display:flex;padding:3px;background:#eae7dc;border-radius:10px}.segmented button{border:0;padding:8px 13px;background:transparent;font-size:11px}.segmented button[aria-pressed=true]{background:#fcfaf3;color:#4b553a;box-shadow:0 1px 4px #52483310}.linked{font-size:10px;color:var(--olive);white-space:nowrap}.linked span{font-size:17px;vertical-align:middle;margin-right:3px}.viewports{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.model-panel{border:1px solid #dddaca;background:#eeeadd;border-radius:15px;overflow:hidden;position:relative}.candidate{border-color:#b3b99d}.panel-heading{position:absolute;left:20px;top:20px;z-index:1;pointer-events:none}.version-tag{font-size:9px;letter-spacing:1.3px;color:#8f8b7b}.candidate .version-tag{color:#6b7950}.panel-heading h2{font-size:12px;margin-top:7px;color:#615b49}.viewport{height:clamp(330px,45vw,510px);touch-action:none;cursor:grab;outline-offset:-3px;position:relative}.viewport:active{cursor:grabbing}.viewport canvas{display:block;width:100%;height:100%;position:absolute;inset:0}.measure{padding:12px 18px;display:flex;flex-direction:column;gap:6px;background:#f9f6ed;border-top:1px solid #dfd9c8;font-size:9px;color:#928b77}.measure strong{font-size:12px;font-weight:normal;color:#605b4c;font-variant-numeric:tabular-nums;letter-spacing:.4px}.viewports[data-mode=original],.viewports[data-mode=candidate]{grid-template-columns:1fr}.viewports[data-mode=original] #candidate-panel,.viewports[data-mode=candidate] #original-panel{display:none}.view-controls{margin-top:13px;display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}.view-presets,.zoom-controls{display:flex;align-items:center;gap:5px}.view-controls button{font-size:10px;padding:8px 11px}.zoom-controls output{font-size:10px;min-width:38px;text-align:center;font-variant-numeric:tabular-nums}.zoom-controls button:first-child,.zoom-controls button:nth-child(3){font-size:16px;line-height:1;padding:7px 10px}.stage-note{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:9px;line-height:1.6;color:#928e7f;margin:13px 0 20px}.water-note{padding:10px 13px;border-radius:8px;background:#dfece7;color:#507a7b;font-size:11px;line-height:1.7;margin-bottom:15px}.details{border-top:1px solid var(--line);padding-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.detail-number{font:italic 20px Georgia,serif;color:#aba48c}.details h3{display:inline;font-size:11px;margin-left:8px}.details p{font-size:10px;color:var(--muted);line-height:1.8;margin-top:7px}.technical{font-size:10px;color:var(--muted);line-height:1.8;margin-top:21px;border-top:1px solid var(--line);padding-top:13px}.technical summary{cursor:pointer}.technical p{margin-top:8px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:15px;align-items:center;padding:21px 0;margin-top:32px;font-size:9px;color:var(--muted)}footer span{letter-spacing:1.3px;font-size:8px}dialog{border:1px solid var(--line);border-radius:15px;padding:20px;background:#fbf9ef;max-width:min(92vw,800px)}dialog::backdrop{background:#353a2b88;backdrop-filter:blur(4px)}dialog button{display:block;margin:0 0 12px auto}dialog img{display:block;width:100%;max-height:75vh;object-fit:contain}.error{padding:20px;margin:20px 0;border:1px solid #c17d5d;border-radius:10px;background:#fbe8d7;color:#834b2f;line-height:1.8}
@media(min-width:1550px){.viewport{height:560px}}@media(max-width:1100px){main{padding:24px 24px 0}.workspace{grid-template-columns:205px minmax(0,1fr);gap:18px}.inspector section{padding:16px}.linked{font-size:9px}.segmented button{padding:8px 10px}.view-controls{gap:9px}.viewport{height:390px}.details{gap:10px}.panel-heading{left:14px}.panel-heading h2{font-size:11px}.measure{padding:10px 13px}.measure strong{font-size:10px}}
@media(max-width:800px){.masthead{height:62px;padding:0 20px}main{padding:23px 18px 0}.workspace{display:flex;flex-direction:column;gap:20px}.review-area{order:0}.inspector{order:1;width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.inspector section{border-right:1px solid var(--line)}.reference{grid-row:span 2}.reference img{aspect-ratio:1.37;object-fit:contain}.isolation-note{grid-column:1/-1}.title-row{margin-bottom:22px}h1{font-size:28px}h1 span{font-size:20px}.lede{font-size:11px}.viewport{height:360px}.panel-heading h2{font-size:10px}.version-tag{font-size:8px}.details p{font-size:10px}.details{gap:13px}.toolbar{flex-wrap:wrap}.status{font-size:10px}footer span:last-child{display:none}}
@media(max-width:480px){.viewports{gap:7px}.viewport{height:280px}.model-panel{border-radius:11px}.panel-heading{top:14px;left:10px}.panel-heading h2{font-size:9px;max-width:120px}.measure{padding:10px 8px}.measure span{font-size:8px}.measure strong{font-size:9px;letter-spacing:0}.linked{font-size:8px}.segmented button{font-size:10px;padding:8px}.title-row{gap:8px}.revision{width:90px;gap:5px}.revision b{font-size:30px}.revision small{font-size:8px}.lede{max-width:260px;line-height:1.7}.view-controls button{padding:8px 10px}.stage-note{font-size:8px}.details{gap:10px}.details p{font-size:9px}.details h3{font-size:10px;margin-left:4px}.inspector section{padding:14px}.reference p{font-size:10px}.playback{flex-wrap:wrap}.hint{font-size:9px}.check{font-size:10px}.check span{font-size:8px}footer{align-items:start}footer p{font-size:9px;line-height:1.7;max-width:200px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.reference img{aspect-ratio:1.5;object-fit:contain}.palette{display:flex;gap:7px;margin-top:10px}.palette i{width:19px;height:19px;border-radius:50%;border:1px solid #0000000c}