.studio-shell{--studio-ink:#2b302b;--studio-muted:#79786e;--studio-line:#d7d5ca;--studio-accent:#a9472c;color:var(--studio-ink);margin:18px 0 48px}.studio-header{display:flex;align-items:end;justify-content:space-between;gap:24px;padding:8px 0 28px}.studio-eyebrow{display:block;margin-bottom:12px;font:500 10px/1.4 var(--font-mono,monospace);letter-spacing:.18em;color:var(--studio-accent)}.studio-header h1{margin:0;font-family:var(--font-serif,"Noto Serif JP",serif);font-size:clamp(27px,3.2vw,42px);font-weight:500;letter-spacing:-.025em}.studio-header p{margin:12px 0 0;color:var(--studio-muted);font-size:12px}.studio-header-actions{display:flex;align-items:center;gap:20px}.studio-save-state{max-width:230px;color:var(--studio-muted);font-size:11px}.studio-shell button{cursor:pointer}.studio-shell button:disabled{cursor:default;opacity:.35}.studio-shell :is(button,input):focus-visible{outline:2px solid var(--studio-accent);outline-offset:3px}.studio-toolbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;min-height:54px;border-block:1px solid var(--studio-line)}.studio-history,.studio-toolbar-actions{display:flex;align-items:center;gap:4px}.studio-stage-caption button,.studio-toolbar button,.studio-view-controls button{min-height:42px;border:0;background:transparent;color:inherit;font:inherit;font-size:11px;padding:8px 12px}.studio-stage-caption button:hover,.studio-toolbar button:hover:not(:disabled){color:var(--studio-accent);background:#ece9e0}.studio-workspace{display:grid;grid-template-columns:minmax(0,1fr) 310px;border-bottom:1px solid var(--studio-line)}.studio-stage{min-width:0;background:#eae6dd;position:relative}.studio-stage-topline{position:absolute;z-index:1;top:20px;left:22px;right:22px;display:flex;justify-content:space-between;pointer-events:none;color:#6c6c61;font:10px var(--font-mono,monospace);letter-spacing:.06em}.studio-viewport{height:clamp(410px,49vw,650px);width:100%;cursor:grab;touch-action:none;outline-offset:-3px;position:relative}.studio-viewport:active{cursor:grabbing}.studio-viewport:focus-visible{outline:2px solid var(--studio-accent)}.studio-viewport canvas{width:100%;height:100%;display:block}.studio-render-message{position:absolute;inset:0;display:grid;align-content:center;justify-items:center;text-align:center;padding:36px;font-size:13px;line-height:1.8;color:#665e53;background:#eae6dd}.studio-view-controls{display:flex;justify-content:space-between;gap:8px;margin:-62px 18px 18px;position:relative;z-index:1;pointer-events:none}.studio-view-controls>div{display:flex;background:#faf8f0ed;border:1px solid #cfc9b9;pointer-events:auto}.studio-view-controls button{min-width:40px;min-height:40px}.studio-view-controls button+button{border-left:1px solid #ddd7cc}.studio-view-controls button:hover{background:#e4ddcf}.studio-stage-caption{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 20px;min-height:44px;font-size:10px;color:#777367;border-top:1px solid #d6d0c4;background:#f1eee6}.studio-stage-caption button{flex-shrink:0;color:var(--studio-accent);padding-inline:0}.studio-object-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:16px 18px;background:#f8f7f1;border-top:1px solid var(--studio-line)}.studio-list-label{font-size:10px;color:var(--studio-muted);margin-right:10px}.studio-object-list button{display:inline-flex;align-items:center;gap:8px;min-height:36px;max-width:100%;border:1px solid transparent;background:transparent;padding:6px 10px;font:inherit;font-size:11px;overflow-wrap:anywhere;text-align:left}.studio-object-list button.is-active{border-color:#b79b81;background:#eee6d8}.studio-object-list i{width:9px;height:9px;display:block;border-radius:50%;flex-shrink:0}.studio-empty{font-size:11px;color:var(--studio-muted)}.studio-inspector{background:#fbfaf6;border-left:1px solid var(--studio-line);min-width:0}.studio-step-tabs{display:grid;grid-template-columns:repeat(5,1fr);border-bottom:1px solid var(--studio-line)}.studio-step-tabs button{min-width:0;min-height:54px;border:0;border-bottom:2px solid transparent;background:transparent;color:#77776c;font:inherit;font-size:12px}.studio-step-tabs button[aria-selected=true]{border-color:var(--studio-accent);color:var(--studio-accent);background:#f0eae0}.studio-control-panel{padding:22px}.studio-selection-title{padding-bottom:18px;margin-bottom:22px;border-bottom:1px solid var(--studio-line);display:flex;justify-content:space-between;align-items:baseline;gap:12px}.studio-selection-title span{font-size:10px;color:var(--studio-muted);flex-shrink:0}.studio-selection-title strong{font-size:13px;font-weight:500;overflow-wrap:anywhere}.studio-shell .math-readout{background:none;padding:0;border:0;border-radius:0;display:grid;gap:8px}.studio-shell .math-readout strong{font-size:13px;font-weight:600}.studio-shell .math-readout span{color:var(--studio-muted);font-size:11px;line-height:1.8}.studio-shell .modeler-control-stack{gap:20px}.studio-shell .math-chip-row{display:flex;flex-wrap:wrap;gap:6px}.studio-shell .button{min-height:38px;padding:8px 13px;border-radius:2px;font-size:11px;box-shadow:none}.studio-shell .button-secondary{background:#3e4b3d;border-color:#3e4b3d;color:#fbfaf6}.studio-shell .button-secondary:hover{background:#293427}.studio-shell .button-ghost{background:transparent;border-color:var(--studio-line);color:var(--studio-ink)}.studio-shell .button-primary{background:var(--studio-accent);border-color:var(--studio-accent)}.studio-shell .hero-actions{display:flex;flex-wrap:wrap;gap:8px}.studio-shell .modeler-object-card{padding:12px;background:#f0eee6;border-color:#e3dfd5}.studio-shell .modeler-object-card strong{font-size:12px;font-weight:500}.studio-shell .modeler-object-card span{font-size:10px}.studio-shell .modeler-slider-block{padding:0;gap:16px;background:none;border:0;border-radius:0}.studio-shell .modeler-slider-block+.modeler-slider-block{border-top:1px solid var(--studio-line);padding-top:20px}.studio-shell .modeler-slider-topline{font-size:11px}.studio-shell .modeler-slider-topline strong{font-size:10px;color:var(--studio-muted);font-weight:400}.studio-shell .modeler-slider-field input[type=range]{accent-color:var(--studio-accent);height:20px}.studio-shell .modeler-swatch{width:31px;height:31px;border-radius:50%}.studio-shell .modeler-swatch.is-active{outline:1px solid var(--studio-accent);outline-offset:3px;box-shadow:none}.studio-shell .modeler-color-input{min-height:40px;height:40px;border-color:var(--studio-line);background:#f5f3ec}.studio-shell .field>span{font-size:11px}.studio-material-presets{display:flex;gap:6px}.studio-material-presets button{flex:1;padding:10px 5px;background:#f0ede4;border:1px solid #d9d4c8;color:#55564e;font:inherit;font-size:11px}.studio-status{display:flex;align-items:baseline;gap:9px;margin-top:14px;font-size:11px;line-height:1.7;color:var(--studio-muted)}.studio-status>span{font-size:6px;color:var(--studio-accent)}@media (max-width:1000px){.studio-workspace{grid-template-columns:minmax(0,1fr) 270px}.studio-control-panel{padding:18px}.studio-header-actions{align-items:end;flex-direction:column;gap:8px}}@media (max-width:760px){.studio-header{align-items:start;gap:15px;padding-bottom:22px}.studio-header p{max-width:235px;line-height:1.7;font-size:11px}.studio-save-state{font-size:9px;max-width:112px;text-align:right}.studio-header-actions .button{white-space:nowrap}.studio-toolbar{padding:5px 0;gap:2px}.studio-toolbar button{padding-inline:8px;min-height:38px;font-size:10px}.studio-workspace{grid-template-columns:minmax(0,1fr)}.studio-inspector{border-left:0;border-top:1px solid var(--studio-line)}.studio-viewport{height:390px}.studio-stage-topline{top:16px;left:16px;right:16px}.studio-stage-caption{padding-inline:14px;font-size:9px}.studio-object-list{padding:12px;gap:4px}.studio-view-controls{margin-inline:12px}.studio-control-panel{padding:20px}.studio-selection-title{margin-bottom:18px}.studio-shell .modeler-control-stack .hero-actions .button,.studio-shell .modeler-control-stack .math-chip-row .button{width:auto;flex:1}}@media (max-width:390px){.studio-header h1{font-size:25px}.studio-eyebrow{letter-spacing:.1em;font-size:9px}.studio-header{gap:8px}.studio-header-actions .button{padding-inline:9px}.studio-viewport{height:340px}.studio-view-controls button{min-width:34px;padding-inline:7px}}