:root{--bg:#eef1f5;--panel:#fff;--border:#d8dee7;--text:#1f2733;--text-dim:#6b7686;--accent:#1a6ee0;--accent-dark:#0f56b8;--accent-soft:#e3edfb;--danger:#d64545;--ok:#2e9e5b;--header-bg:#1c2533;--header-text:#f2f5f9;--shadow:0 1px 3px #141e3214, 0 4px 14px #141e320f;--radius:8px;font-family:Hiragino Kaku Gothic ProN,Yu Gothic UI,Meiryo,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--text);font-size:13px;overflow:hidden}button{font:inherit;border:1px solid var(--border);color:var(--text);cursor:pointer;background:#fff;border-radius:6px;padding:5px 12px;transition:background .12s,border-color .12s}button:hover{background:#f4f7fb;border-color:#b9c4d4}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover{background:var(--accent-dark)}button.danger{color:var(--danger);border-color:#ecc}button.danger:hover{background:#fdf2f2}button:disabled{opacity:.45;cursor:default}button.ghost{background:0 0;border-color:#0000}button.ghost:hover{background:#ffffff1f}input,select,textarea{font:inherit;border:1px solid var(--border);color:var(--text);background:#fff;border-radius:6px;padding:4px 8px}input:focus,select:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}input[type=number]{text-align:right}.app{flex-direction:column;height:100%;display:flex}.header{background:var(--header-bg);color:var(--header-text);flex-shrink:0;align-items:center;gap:14px;height:52px;padding:0 16px;display:flex}.logo{align-items:baseline;gap:8px;display:flex}.logo .name{letter-spacing:.5px;font-size:19px;font-weight:800}.logo .tagline{color:#9fb0c8;font-size:11px}.header input.project-name{color:#fff;background:#ffffff14;border-color:#ffffff26;width:200px}.header .spacer{flex:1}.header button{color:#e8edf5;background:#ffffff14;border-color:#ffffff2e}.header button:hover{background:#ffffff29}.header button.primary{background:var(--accent);border-color:var(--accent)}.header button.primary:hover{background:var(--accent-dark)}.tabs{background:var(--header-bg);flex-shrink:0;gap:2px;padding:0 14px;display:flex}.tabs .tab{color:#9fb0c8;background:0 0;border:none;border-radius:8px 8px 0 0;padding:9px 20px 10px;font-size:13px;font-weight:600}.tabs .tab:hover{color:#fff;background:#ffffff0f}.tabs .tab.active{background:var(--bg);color:var(--text)}.main{flex:1;min-height:0;display:flex}.design-layout{flex:1;min-width:0;display:flex}.toolbar{background:var(--panel);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;align-items:center;gap:6px;width:58px;padding:10px 0;display:flex}.toolbar .tool{background:0 0;border:1px solid #0000;border-radius:8px;flex-direction:column;justify-content:center;align-items:center;gap:1px;width:44px;height:44px;padding:0;font-size:17px;display:flex}.toolbar .tool small{color:var(--text-dim);font-size:9.5px}.toolbar .tool:hover{background:#f0f4fa}.toolbar .tool.active{background:var(--accent-soft);border-color:var(--accent)}.toolbar .tool.active small{color:var(--accent);font-weight:700}.toolbar hr{border:none;border-top:1px solid var(--border);width:32px;margin:4px 0}.canvas-area{flex-direction:column;flex:1;min-width:0;display:flex;position:relative}.canvas-split{flex:1;min-height:0;display:flex}.canvas-2d{background:#f7f9fc;flex:1.3;min-width:0;position:relative}.canvas-3d{border-left:1px solid var(--border);background:#dfe6ef;flex:1;min-width:0;position:relative}.canvas-2d svg{cursor:crosshair;touch-action:none;display:block}.canvas-2d svg.tool-select{cursor:default}.canvas-2d svg.tool-pan{cursor:grab}.canvas-hint{color:#e8edf5;pointer-events:none;background:#1c2533d9;border-radius:6px;max-width:70%;padding:6px 12px;font-size:12px;position:absolute;top:10px;left:12px}.view3d-label,.view2d-label{color:var(--text-dim);pointer-events:none;background:#ffffffd9;border-radius:5px;padding:3px 10px;font-size:11px;font-weight:700;position:absolute;top:10px;right:12px}.level-switch{border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;border-radius:8px;gap:4px;padding:4px;display:flex;position:absolute;bottom:12px;left:12px}.level-switch button{border:none;padding:4px 12px;font-weight:600}.level-switch button.active{background:var(--accent);color:#fff}.inspector{background:var(--panel);border-left:1px solid var(--border);flex-shrink:0;width:290px;padding:14px;overflow-y:auto}.inspector h3{color:var(--text);border-bottom:2px solid var(--accent);margin:0 0 10px;padding-bottom:6px;font-size:13px}.inspector .field{justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px;display:flex}.inspector .field label{color:var(--text-dim);flex-shrink:0;font-size:12px}.inspector .field input,.inspector .field select{width:130px}.inspector .section{margin-bottom:18px}.inspector .note{color:var(--text-dim);font-size:11.5px;line-height:1.5}.inspector .stat-chip{background:var(--accent-soft);color:var(--accent-dark);border-radius:5px;margin:0 4px 4px 0;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.panel-page{flex:1;padding:20px 26px 60px;overflow:auto}.panel-page h2{margin:0 0 4px;font-size:18px}.panel-page .sub{color:var(--text-dim);margin-bottom:16px;font-size:12.5px}.panel-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;display:flex}.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:16px;padding:16px 18px}.card h3{margin:0 0 10px;font-size:14px}table.data{border-collapse:collapse;background:var(--panel);width:100%}table.data th,table.data td{border:1px solid var(--border);text-align:left;padding:5px 10px}table.data th{color:#58637a;background:#f2f5fa;font-size:12.5px;font-weight:700}table.data td.num,table.data th.num{text-align:right;font-variant-numeric:tabular-nums}table.data tr.subtotal td{background:#f7f9fc;font-weight:700}table.data tr.total td{background:var(--accent-soft);font-size:14px;font-weight:800}table.data input{background:0 0;border-color:#0000;width:100%;padding:2px 4px}table.data input:hover{border-color:var(--border);background:#fff}table.data input:focus{border-color:var(--accent);background:#fff}.kpi-row{flex-wrap:wrap;gap:14px;margin-bottom:16px;display:flex}.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);min-width:150px;padding:12px 18px}.kpi .label{color:var(--text-dim);font-size:11.5px;font-weight:600}.kpi .value{font-variant-numeric:tabular-nums;margin-top:2px;font-size:22px;font-weight:800}.kpi .value small{color:var(--text-dim);font-size:12px;font-weight:600}.kpi.accent{border-top:3px solid var(--accent)}.disclaimer{color:#7a5c1e;border-radius:var(--radius);background:#fdf8ec;border:1px solid #ecd9a8;margin-bottom:16px;padding:10px 14px;font-size:12px;line-height:1.6}.gantt-wrap{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:10px;overflow-x:auto}.empty-state{color:var(--text-dim);text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:60px 20px;display:flex}.empty-state .big{color:var(--text);font-size:15px;font-weight:700}@media (width<=1100px){.inspector{width:240px}}@media (width<=900px){.header{flex-wrap:wrap;gap:6px;height:auto;min-height:52px;padding:6px 10px}.logo .tagline{display:none}.header input.project-name{width:130px}.header button{padding:5px 9px}.tabs{scrollbar-width:thin;overflow-x:auto}.tabs .tab{white-space:nowrap;flex-shrink:0;padding:8px 12px 9px}.design-layout{flex-direction:column;overflow-y:auto}.toolbar{border-right:none;border-bottom:1px solid var(--border);flex-flow:wrap;justify-content:center;width:100%;padding:4px 0}.toolbar hr{display:none}.canvas-area{flex:none}.canvas-split{flex-direction:column}.canvas-2d{flex:none;height:46vh}.canvas-3d{border-left:none;border-top:1px solid var(--border);flex:none;height:30vh}.inspector{border-left:none;border-top:1px solid var(--border);width:100%;max-height:none}.canvas-hint{max-width:82%;font-size:11px}.panel-page{padding:12px 12px 48px}.card{overflow-x:auto}.kpi-row{gap:8px}.kpi{flex:auto;min-width:132px;padding:10px 12px}.kpi .value{font-size:18px}.gantt-wrap{padding:6px}}@media (width<=560px){.logo .name{font-size:16px}.header input.project-name{width:100px}.canvas-2d{height:42vh}.canvas-3d{height:26vh}.kpi{min-width:110px}.panel-page h2{font-size:16px}.panel-actions{gap:6px}}.dlg-overlay{z-index:2000;background:#0f16208c;justify-content:center;align-items:flex-start;padding:90px 16px 16px;display:flex;position:fixed;inset:0}.dlg{background:var(--panel);color:var(--text);border-radius:10px;flex-direction:column;width:min(460px,100vw - 32px);max-height:calc(100vh - 120px);display:flex;overflow:hidden;box-shadow:0 18px 50px #00000059}.dlg-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:10px;padding:12px 16px 10px;font-size:14px;display:flex}.dlg-close{color:var(--text-dim);padding:2px 8px;font-size:13px}.dlg-close:hover{color:var(--text);background:#f0f4fa}.dlg-body{padding:14px 16px;overflow-y:auto}.dlg-msg{white-space:pre-wrap;font-size:13px;line-height:1.65}.dlg-input{width:100%;margin-top:10px;padding:6px 10px;font-size:14px}.dlg-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:10px 16px 14px;display:flex}.dlg-actions button{min-width:84px}.toast-wrap{z-index:2100;pointer-events:none;flex-direction:column;gap:8px;max-width:min(560px,100vw - 32px);display:flex;position:fixed;bottom:18px;left:50%;transform:translate(-50%)}.toast{background:var(--header-bg);color:var(--header-text);border-radius:8px;align-items:baseline;gap:8px;padding:9px 16px;font-size:12.5px;line-height:1.5;animation:.18s ease-out toast-in;display:flex;box-shadow:0 6px 22px #00000047}.toast-success{background:#1f5c3a}.toast-error{background:#8a2820}@keyframes toast-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}table.help-shortcuts{border-collapse:collapse;width:100%;font-size:12.5px}table.help-shortcuts td{vertical-align:top;border-bottom:1px solid #edf1f6;padding:6px 8px}table.help-shortcuts td.keys{white-space:nowrap;width:1%}table.help-shortcuts .or{color:var(--text-dim);font-size:11px}kbd{color:var(--text);border:1px solid var(--border);background:#f2f5fa;border-bottom-width:2px;border-radius:5px;padding:1px 7px;font-family:inherit;font-size:11.5px;font-weight:700;display:inline-block}.onboard-step{align-items:flex-start;gap:14px;min-height:118px;display:flex}.onboard-icon{margin-top:2px;font-size:34px;line-height:1}.onboard-dots{justify-content:center;gap:6px;margin-top:14px;display:flex}.onboard-dots span{background:var(--border);border-radius:50%;width:8px;height:8px}.onboard-dots span.active{background:var(--accent)}.print-root{display:none}@media print{body{background:#fff;overflow:visible}.app{display:none}.print-root{color:#000;font-size:11pt;display:block}.print-page{page-break-after:always;padding:10mm 6mm}.print-page:last-child{page-break-after:auto}.print-page h1{text-align:center;letter-spacing:8px;margin:20mm 0 14mm;font-size:22pt}.print-page h2{border-bottom:2px solid #000;padding-bottom:2mm;font-size:14pt}table.print-table{border-collapse:collapse;width:100%}table.print-table th,table.print-table td{border:1px solid #333;padding:2mm 3mm}table.print-table th{background:#eee}table.print-table td.num{text-align:right;font-variant-numeric:tabular-nums}}