:root{color:#17202a;background:#eef2f4;font-family:Inter,Yu Gothic,Yu Gothic UI,Hiragino Sans,Meiryo,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--border: #d5dde5;--panel: #ffffff;--muted: #64748b;--text: #17202a;--accent: #0f766e;--accent-strong: #115e59;--wood: #c58b52;--danger: #b42318;--warning: #a16207;--shadow: 0 10px 28px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body,#root{width:100%;min-width:0;height:100%;margin:0}body{overflow:hidden;overscroll-behavior:none}button,input,select{font:inherit}button{border:1px solid #bfccd7;background:#f8fafc;color:var(--text);min-height:34px;border-radius:6px;padding:0 12px;cursor:pointer;white-space:nowrap;touch-action:manipulation}button:hover{border-color:var(--accent);color:var(--accent-strong)}button.secondary{background:#fff7ed;border-color:#fed7aa}button.danger{color:var(--danger);border-color:#fecaca;background:#fff5f5}input,select{width:100%;min-width:0;height:34px;border:1px solid #bfccd7;border-radius:6px;background:#fff;color:var(--text);padding:0 9px}input[type=range]{padding:0;touch-action:pan-x}table{width:100%;border-collapse:collapse;font-size:13px}th,td{border-bottom:1px solid #e2e8f0;padding:7px 8px;text-align:left;white-space:nowrap}th{color:#334155;background:#f8fafc;font-weight:700}.appShell{display:grid;grid-template-rows:minmax(68px,auto) minmax(0,1fr);height:100dvh;min-height:0;min-width:0;overflow:hidden}.appHeader{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 16px;border-bottom:1px solid var(--border);background:#fff;min-width:0}.appHeader h1{margin:0;font-size:21px;line-height:1.15;letter-spacing:0;overflow-wrap:anywhere}.eyebrow{margin:0 0 2px;font-size:12px;color:var(--accent);font-weight:700}.headerActions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;min-width:0}.headerActions button{min-width:0}.plannerStage{position:relative;min-width:0;min-height:0;overflow:hidden;overscroll-behavior:contain;background:#e9efec}.sceneShell{position:relative;width:100%;height:100%;min-height:0;touch-action:none}.sceneShell canvas{display:block;touch-action:none}.frontLayoutScene{position:relative;display:grid;place-items:center;width:100%;height:100%;min-height:0;overflow:hidden;background:#edf3f0;touch-action:none}.frontLayoutHint{position:absolute;top:18px;left:50%;z-index:2;display:flex;gap:8px;align-items:center;max-width:min(620px,calc(100% - 160px));padding:8px 12px;border:1px solid rgba(209,217,225,.94);border-radius:8px;background:#fffffff0;box-shadow:0 14px 36px #0f172a1f;color:#475569;transform:translate(-50%);pointer-events:none}.frontLayoutHint strong{color:#0f172a;font-size:13px}.frontLayoutHint span{min-width:0;overflow-wrap:anywhere;font-size:12px}.frontLayoutSvg{width:min(76vw,860px);max-width:calc(100% - 220px);height:min(72vh,650px);max-height:calc(100% - 136px);cursor:default;-webkit-user-select:none;user-select:none}.frontLayoutSvg.dragging{cursor:grabbing}.frontBoard{stroke:#4b3321;stroke-width:1.5;vector-effect:non-scaling-stroke;cursor:pointer}.frontBoard.selected{stroke:#f97316;stroke-width:3}.frontBoardLabel{fill:#17202a;font-size:28px;font-weight:800;text-anchor:middle;pointer-events:none;paint-order:stroke;stroke:#ffffffdb;stroke-width:8;vector-effect:non-scaling-stroke}.frontPlacementGuide{fill:#f59e0bb8;stroke:#b45309;stroke-width:2;vector-effect:non-scaling-stroke;pointer-events:none}.frontMeasurements line{stroke:#94a3b8;stroke-width:3;vector-effect:non-scaling-stroke}.frontMeasurements text{fill:#334155;font-size:32px;font-weight:800;text-anchor:middle;paint-order:stroke;stroke:#ffffffe6;stroke-width:8;vector-effect:non-scaling-stroke}.boardLayoutScene{background:#eef4f1}.layoutSceneOverlay{position:absolute;top:18px;left:50%;display:grid;gap:2px;width:min(520px,calc(100vw - 180px));padding:9px 12px;border:1px solid rgba(209,217,225,.94);border-radius:10px;background:#fffffff0;box-shadow:0 16px 42px #0f172a1f;color:#334155;text-align:center;transform:translate(-50%);pointer-events:none}.layoutSceneOverlay strong{color:#0f172a;font-size:13px}.layoutSceneOverlay span{color:#64748b;font-size:12px}.layoutSheetLabel{display:grid;gap:2px;width:max-content;max-width:240px;pointer-events:none;padding:5px 8px;border:1px solid rgba(15,23,42,.12);border-radius:7px;background:#fffffff0;color:#334155;box-shadow:0 10px 24px #0f172a1f;font-size:11px;font-weight:800;line-height:1.2;white-space:normal}.layoutSheetLabel span{color:#64748b;font-weight:700}.layoutSheetLabel.warning{border-color:#f973165c;background:#fff7edf5;color:#9a3412}.emptyStage{width:100%;height:100%;min-height:320px;background:radial-gradient(circle at center,rgba(15,118,110,.08),transparent 34%),#e9efec}.emptyProjectPanel p{margin:0;color:var(--muted);line-height:1.6;font-size:13px}.floatingTools{position:absolute;top:50%;left:24px;z-index:10;transform:translateY(-50%);max-height:calc(100% - 36px)}.drawOverlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;cursor:crosshair;touch-action:none;background:linear-gradient(rgba(15,118,110,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(15,118,110,.045) 1px,transparent 1px);background-size:28px 28px}.placementOverlay{position:absolute;top:0;right:0;bottom:0;left:0;z-index:8;background:#e9efec2e;cursor:crosshair;touch-action:none}.drawHint{position:absolute;top:18px;left:50%;display:grid;gap:4px;width:min(520px,calc(100vw - 180px));padding:10px 14px;border:1px solid rgba(209,217,225,.94);border-radius:10px;background:#fffffff0;box-shadow:0 16px 42px #0f172a1f;color:#334155;transform:translate(-50%);pointer-events:none}.placementHint{position:absolute;top:18px;left:50%;display:grid;gap:4px;width:min(500px,calc(100vw - 180px));padding:10px 14px;border:1px solid rgba(209,217,225,.94);border-radius:10px;background:#fffffff0;box-shadow:0 16px 42px #0f172a1f;color:#334155;transform:translate(-50%);pointer-events:none}.placementHint strong{color:#0f172a;font-size:13px}.placementHint span{color:#64748b;font-size:12px}.placementSceneHint,.placementSceneLabel{pointer-events:none;white-space:nowrap;border-radius:8px;background:#ffffffeb;color:#0f172a;box-shadow:0 10px 28px #0f172a24}.placementSceneHint{padding:7px 10px;font-size:12px;font-weight:700}.placementSceneLabel{padding:4px 7px;border:1px solid rgba(146,64,14,.25);background:#fff7edf5;color:#92400e;font-size:12px;font-weight:800}.dragHandleLabel{pointer-events:none;padding:5px 8px;border:1px solid rgba(146,64,14,.25);border-radius:7px;background:#fff7edf5;color:#92400e;box-shadow:0 10px 26px #0f172a26;font-size:12px;font-weight:800;white-space:nowrap}.placementSurfaceWrap{position:absolute;top:88px;right:160px;bottom:94px;left:160px;display:grid;place-items:center;pointer-events:none}.placementSurface{position:relative;width:min(74vw,820px);max-width:100%;max-height:100%;border:2px solid #0f766e;background:#fff3;box-shadow:inset 0 0 0 1px #ffffffd9,0 20px 48px #0f172a1f;pointer-events:auto;touch-action:none}.placementBoardLabel{position:absolute;top:10px;left:50%;padding:5px 8px;border-radius:6px;background:#ffffffeb;color:#0f172a;font-size:12px;font-weight:700;transform:translate(-50%);pointer-events:none}.placementGuide{position:absolute;display:grid;place-items:center;pointer-events:none}.placementGuide.vertical{top:0;bottom:0;width:0;border-left:3px solid #0f766e}.placementGuide.horizontal{left:0;right:0;height:0;border-top:3px solid #0f766e}.placementGuide span{padding:4px 7px;border-radius:6px;background:#0f766e;color:#fff;font-size:12px;font-weight:800;white-space:nowrap}.drawHint strong{color:#0f172a;font-size:13px}.drawHint span{color:#64748b;font-size:12px}.draftRect{position:absolute;display:grid;place-items:center;border:2px solid #0f766e;background:#14b8a624;box-shadow:inset 0 0 0 1px #ffffff94;pointer-events:none}.draftRect span{padding:5px 8px;border-radius:6px;background:#ffffffeb;color:#0f172a;font-size:12px;font-weight:700}.toolRail{display:grid;gap:6px;width:82px;max-height:inherit;overflow:auto;padding:10px 8px;border:1px solid rgba(209,217,225,.92);border-radius:10px;background:#ffffffeb;box-shadow:0 20px 55px #0f172a29;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);overscroll-behavior:contain;scrollbar-width:thin}.toolRailTitle{padding:0 6px 2px;color:#64748b;font-size:11px;font-weight:700}.toolButton{display:grid;grid-template-columns:1fr;gap:4px;justify-items:center;min-height:50px;padding:6px 5px;border-radius:8px;background:#fff;box-shadow:0 1px 7px #0f172a12;font-size:11px}.toolButton.active{color:#fff;border-color:var(--accent);background:var(--accent)}.toolMark{display:grid;place-items:center;width:30px;height:22px;border-radius:6px;background:#edf6f3;color:#0f766e;font-size:12px;font-weight:800}.toolButton.active .toolMark{background:#ffffff2e;color:#fff}.floatingPanel{position:absolute;right:24px;bottom:88px;z-index:11;width:min(360px,calc(100vw - 132px));max-height:calc(100% - 126px)}.panelFrame{display:flex;flex-direction:column;max-height:inherit;border:1px solid rgba(209,217,225,.94);border-radius:10px;background:#fffffff0;box-shadow:0 22px 64px #0f172a2e;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.panelFrameHeader{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 12px 0}.panelFrameHeader h2{margin:0;font-size:13px;color:#64748b}.closeButton{min-height:28px;padding:0 8px;font-size:12px}.panelFrameBody{min-height:0;overflow:auto;padding:12px;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.panelFrameBody>.panelSection,.panelFrameBody>.dataPanel{margin:0;border:0;box-shadow:none;background:transparent;padding:0}.panelFrameBody .dataPanel{max-height:58vh}.floatingBottomActions{position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));z-index:12;transform:translate(-50%)}.bottomActionBar{display:flex;gap:8px;padding:8px;border:1px solid rgba(209,217,225,.94);border-radius:10px;background:#fffffff0;box-shadow:0 18px 48px #0f172a29;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.bottomActionBar button.active{color:#fff;border-color:var(--accent);background:var(--accent)}.dimensionLabel{pointer-events:none;padding:4px 7px;border:1px solid rgba(15,23,42,.16);border-radius:6px;background:#ffffffeb;color:#0f172a;box-shadow:0 4px 14px #0f172a24;font-size:11px;font-weight:800;line-height:1.1;white-space:nowrap}.dimensionLabelDepth{background:#f8fafcf0}.backPanelTag{display:grid;gap:2px;pointer-events:none;padding:7px 9px;border:1px solid rgba(140,98,57,.24);border-radius:8px;background:#fff7edf0;color:#7c4a22;box-shadow:0 12px 30px #0f172a24;font-size:13px;font-weight:800;white-space:nowrap}.backPanelTag span{color:#64748b;font-size:11px;font-weight:700}.panelSection{padding:12px;border:1px solid var(--border);border-radius:8px;background:var(--panel);box-shadow:var(--shadow);margin-bottom:12px}.panelSection h2,.dataPanel h2{margin:0 0 10px;font-size:15px;line-height:1.2;letter-spacing:0}.helperText{margin:0 0 10px;color:#475569;line-height:1.55;font-size:12px}.helperText.muted{margin:4px 0 0;color:#64748b}.helperText.warningText{padding:8px 10px;border:1px solid rgba(161,98,7,.28);border-radius:6px;background:#fef3c7d1;color:var(--warning);font-weight:700}.sectionHeader{display:flex;align-items:center;justify-content:space-between;gap:8px}.field,.toggleRow{display:grid;gap:6px;margin-bottom:10px;color:#334155;font-size:13px}.toggleRow{grid-template-columns:auto 1fr;align-items:center}.toggleRow input{width:16px;height:16px}.numberInput{display:grid;grid-template-columns:minmax(0,1fr) 34px;align-items:center;gap:6px}.numberInput small{color:var(--muted)}.stack{display:grid;gap:10px}.rowEditor{display:grid;grid-template-columns:1fr;gap:8px;padding:10px;border:1px solid #e2e8f0;border-radius:8px;background:#fbfdff}.buttonGroup{display:flex;gap:8px}.buttonGroup.compact button{min-height:30px;padding:0 9px;font-size:12px}.segmented{display:grid;grid-template-columns:repeat(auto-fit,minmax(64px,1fr));gap:6px;margin:10px 0}.segmented button{min-width:0;overflow:hidden;text-overflow:ellipsis}.segmented button.active{color:#fff;border-color:var(--accent);background:var(--accent)}.colorChoiceGrid{display:grid;grid-template-columns:1fr;gap:6px}.colorChoice{display:grid;grid-template-columns:20px minmax(0,1fr);align-items:center;gap:8px;justify-items:start;width:100%;min-width:0;padding:6px 9px;text-align:left}.colorChoice.active{color:#fff;border-color:var(--accent);background:var(--accent)}.colorSwatch{width:18px;height:18px;border:1px solid rgba(15,23,42,.28);border-radius:50%;box-shadow:inset 0 0 0 2px #ffffff8c}.nestedEditor{padding-top:8px;border-top:1px solid #e2e8f0}.shortcutPanel{display:grid;gap:8px;padding:10px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.shortcutPanel strong{color:#334155;font-size:13px}.shortcutPanel dl{display:grid;gap:6px;margin:0}.shortcutPanel div{display:grid;grid-template-columns:42px 1fr;align-items:center;gap:8px}.shortcutPanel dt{display:grid;place-items:center;min-height:24px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#0f172a;font-size:12px;font-weight:800}.shortcutPanel dd{margin:0;color:#475569;font-size:12px}.specList{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 12px}.specList div{min-width:0;padding:8px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.specList dt{color:var(--muted);font-size:11px}.specList dd{margin:2px 0 0;overflow-wrap:anywhere;font-size:13px}.inspectorEmpty p,.emptyState{margin:0;color:var(--muted);line-height:1.6;font-size:13px}.bottomPanels{display:grid;grid-template-columns:minmax(360px,1.7fr) minmax(240px,.8fr) minmax(280px,1fr);min-width:0;min-height:0;gap:12px;padding:12px;overflow:hidden;border-top:1px solid var(--border);background:#eef2f4}.dataPanel{min-width:0;min-height:0;display:flex;flex-direction:column;padding:12px;border:1px solid var(--border);border-radius:8px;background:#fff;box-shadow:var(--shadow)}.tableScroll{min-height:0;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.materialAnalysisPanel{gap:12px}.materialAnalysisHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.materialAnalysisHeader h2,.materialAnalysisHeader p{margin:0}.materialAnalysisHeader p{color:var(--muted);font-size:12px;line-height:1.45}.analysisMetricGrid,.materialGroupMetrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:0}.materialPresetRow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.materialPresetRow button.active{color:#fff;border-color:var(--accent);background:var(--accent)}.miniShelfPanel{display:grid;gap:8px;padding:10px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafc}.miniShelfPanel>div{display:flex;justify-content:space-between;gap:8px;color:#64748b;font-size:12px}.miniShelfPanel strong{color:#334155}.miniShelfMap{width:100%;min-height:90px;border:1px solid #dbe5ee;border-radius:6px;background:#fff}.miniShelfBoard{fill:#e8c29b;stroke:#94a3b8;stroke-width:1}.miniShelfBoard.selected{fill:#fed7aa;stroke:#f97316;stroke-width:4}.analysisMetricGrid div,.materialGroupMetrics div{min-width:0;padding:8px;border:1px solid #e2e8f0;border-radius:8px;background:#f8fafce0}.analysisMetricGrid dt,.materialGroupMetrics dt{color:var(--muted);font-size:11px}.analysisMetricGrid dd,.materialGroupMetrics dd{margin:2px 0 0;overflow-wrap:anywhere;font-size:14px;font-weight:800}.materialGroupStack,.boardBreakdownList{display:grid;gap:10px}.materialGroupCard{display:grid;gap:10px;padding:10px;border:1px solid #dbe5ee;border-radius:8px;background:#fff}.materialGroupHeader{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.materialGroupHeader h3,.materialGroupHeader p{margin:0}.materialGroupHeader h3{font-size:14px;line-height:1.25}.materialGroupHeader p{color:var(--muted);font-size:12px}.materialGroupHeader strong{flex:0 0 auto;color:var(--accent-strong);font-size:12px}.analysisWarning{display:grid;gap:4px;padding:8px;border:1px solid rgba(161,98,7,.28);border-radius:8px;background:#fef3c7d1;color:var(--warning);font-size:12px;font-weight:700;line-height:1.45}.analysisWarning p{margin:0}.boardBreakdown{display:grid;gap:8px}.boardBreakdown h3{margin:0;font-size:14px}.boardBreakdownItem{display:grid;gap:2px;justify-items:stretch;width:100%;min-height:58px;padding:8px 10px;text-align:left;white-space:normal}.boardBreakdownItem.selected{border-color:#f97316;background:#fff7ed}.boardBreakdownRole{font-weight:800}.boardBreakdownSize,.boardBreakdownMeta{color:var(--muted);font-size:12px;line-height:1.3}.validationList{display:grid;gap:8px;overflow:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch}.validationItem{display:grid;gap:3px;padding:8px;border-radius:8px;border:1px solid #dbe5ee;background:#f8fafc;font-size:13px}.validationItem.warning{border-color:#fde68a;background:#fffbeb}.validationItem.error{border-color:#fecaca;background:#fff5f5}.validationItem strong{font-size:11px;color:#475569}.hiddenInput{display:none}@media(pointer:coarse){button{min-height:44px;padding:0 12px}input,select{height:44px;font-size:16px}input[type=range]{height:44px}.buttonGroup.compact button,.closeButton{min-height:40px}.toggleRow input{width:22px;height:22px}}@media(max-width:1180px){body{overflow:hidden}.appShell{grid-template-rows:auto minmax(0,1fr);height:100dvh;min-height:0}.plannerStage{min-height:0}.sceneShell{height:100%}.floatingTools{left:16px}.floatingPanel{right:16px;bottom:86px;width:min(360px,calc(100vw - 120px));max-height:calc(100% - 116px)}.drawHint,.placementHint,.frontLayoutHint,.layoutSceneOverlay{width:min(500px,calc(100% - 132px))}.placementSurfaceWrap{top:88px;right:126px;bottom:94px;left:126px}}@media(min-width:761px)and (max-width:900px){.floatingTools{left:12px}.toolRail{width:72px;padding:8px 6px}.toolButton{min-height:48px;padding:6px 4px;font-size:10px}.toolMark{width:28px;height:21px}.floatingPanel{right:12px;width:min(330px,calc(100vw - 104px))}.drawHint,.placementHint,.layoutSceneOverlay{width:min(460px,calc(100% - 108px))}}@media(max-width:760px){.appHeader{align-items:stretch;flex-direction:column;gap:8px;padding:8px 10px}.appHeader h1{font-size:17px}.headerActions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;width:100%}.headerActions button{min-height:38px;padding:0 4px;font-size:12px;line-height:1.15;white-space:normal}.floatingTools{top:max(8px,env(safe-area-inset-top));left:8px;right:8px;max-height:none;transform:none}.toolRail{display:flex;gap:6px;width:auto;align-items:stretch;padding:6px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x proximity}.drawHint,.placementHint,.layoutSceneOverlay{top:76px;width:calc(100% - 16px);padding:8px 10px;border-radius:8px}.placementSurfaceWrap{inset:132px 10px calc(78px + env(safe-area-inset-bottom))}.toolRailTitle{display:none}.toolButton{flex:0 0 68px;min-height:50px;padding:6px 4px;font-size:10px;line-height:1.15;white-space:normal;scroll-snap-align:start}.floatingPanel{left:8px;right:8px;bottom:calc(68px + env(safe-area-inset-bottom));width:auto;max-height:min(58dvh,calc(100dvh - 178px))}.panelFrame{border-radius:10px}.panelFrameHeader{padding:10px 12px 0}.panelFrameBody{padding:10px}.panelFrameBody .dataPanel{max-height:none}.panelSection{padding:10px}.sectionHeader{align-items:stretch;flex-direction:column}.buttonGroup{flex-wrap:wrap}.buttonGroup button{flex:1 1 auto}.floatingBottomActions{left:8px;right:8px;bottom:max(8px,env(safe-area-inset-bottom));transform:none}.bottomActionBar{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;width:100%;padding:6px;border-radius:8px}.bottomActionBar button{min-width:0;min-height:46px;padding:0 4px;font-size:12px;line-height:1.15;white-space:normal}.frontLayoutSvg{width:calc(100% - 24px);max-width:calc(100% - 24px);height:min(64vh,560px);max-height:calc(100% - 170px)}.frontLayoutHint{top:76px;max-width:calc(100% - 16px);align-items:flex-start;flex-direction:column;gap:2px}.numberInput{grid-template-columns:minmax(0,1fr) minmax(28px,auto)}.specList{grid-template-columns:1fr}th,td{padding:6px;font-size:12px}}@media(max-width:420px){.headerActions button,.bottomActionBar button{font-size:11px}}