:root{--bg: #f8fafc;--panel: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--warn-bg: #fefce8;--warn-border: #fde047;--warn-text: #854d0e;--danger: #dc2626;--ok: #16a34a;--radius: 8px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,Segoe UI,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;font-size:14px;line-height:1.6}button{font:inherit;cursor:pointer;border-radius:6px;border:1px solid var(--border);background:#fff;padding:6px 14px}button:hover:not(:disabled){background:#f1f5f9}button:disabled{opacity:.5;cursor:not-allowed}button.primary{background:var(--primary);border-color:var(--primary);color:#fff}button.primary:hover:not(:disabled){background:var(--primary-dark)}button.danger{color:var(--danger);border-color:#fecaca}input,select,textarea{font:inherit;padding:5px 8px;border:1px solid var(--border);border-radius:6px;background:#fff;color:inherit}input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;outline-offset:-1px}input[type=number]{width:8em;text-align:right}.app-shell{display:flex;min-height:100vh}.side-nav{width:220px;flex-shrink:0;background:#fff;border-right:1px solid var(--border);padding:16px 12px}.side-nav h1{font-size:14px;margin:0 0 16px;color:var(--muted)}.side-nav nav{display:flex;flex-direction:column;gap:2px}.side-nav a{display:block;padding:7px 10px;border-radius:6px;color:inherit;text-decoration:none;cursor:pointer}.side-nav a:hover{background:#f1f5f9}.side-nav a.active{background:#eff6ff;color:var(--primary-dark);font-weight:600}.main{flex:1;min-width:0;padding:20px 24px 60px}.page-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}.page-head h2{margin:0;font-size:20px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.panel>h3{margin:0 0 12px;font-size:15px}.muted{color:var(--muted)}.small{font-size:12px}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:10px}table{border-collapse:collapse;width:100%}th,td{border:1px solid var(--border);padding:5px 8px;text-align:left;white-space:nowrap}th{background:#f8fafc;font-weight:600;font-size:12px}.scroll-x{overflow-x:auto}.badge{display:inline-flex;align-items:center;gap:4px;padding:1px 8px;border-radius:999px;font-size:11px;font-weight:600;border:1px solid transparent}.banner{border-radius:6px;padding:10px 12px;margin-bottom:12px;border:1px solid}.banner.warn{background:var(--warn-bg);border-color:var(--warn-border);color:var(--warn-text)}.banner.info{background:#eff6ff;border-color:#bfdbfe;color:#1e40af}.banner.danger{background:#fef2f2;border-color:#fecaca;color:#991b1b}.progress-ring{display:flex;align-items:center;gap:10px}.progress-ring svg{transform:rotate(-90deg)}.centered{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:420px}.wizard-steps{display:flex;gap:4px;margin-bottom:16px;flex-wrap:wrap}.wizard-steps button{border-radius:999px;font-size:12px;padding:4px 12px}.wizard-steps button.active{background:var(--primary);border-color:var(--primary);color:#fff}.step-footer{display:flex;justify-content:flex-end;margin:20px 0 8px}.step-footer button{padding:9px 22px;font-size:14px}.segment{display:inline-flex;border:1px solid var(--border);border-radius:6px;overflow:hidden}.segment button{border:none;border-radius:0;padding:3px 10px;font-size:12px;background:#fff}.segment button.on{background:var(--primary);color:#fff}.charge-cell{display:flex;flex-direction:column;gap:2px}.charge-cell.buildup input{background:#eff6ff;border-color:#bfdbfe}.drawing-layout,.drawing-head{display:grid;grid-template-columns:minmax(300px,1.15fr) minmax(320px,1fr) 208px;gap:16px}.drawing-layout{align-items:start}.drawing-head{align-items:baseline;margin-bottom:16px}.drawing-head h2{margin:0;font-size:20px}.drawing-head .head-process{font-size:20px;font-weight:600}.drawing-head>:last-child{justify-self:end}.col-process{display:none}.drawing-pane{position:sticky;top:12px}.drawing-pane .drawing-viewer{max-height:calc(100vh - 150px);overflow:auto}.question-actions{justify-content:flex-end;border-top:1px solid var(--border);margin-top:16px;padding-top:14px}.plan-nav{position:sticky;top:12px;font-size:12px}.plan-nav .panel{padding:10px 12px}.plan-nav h3{font-size:12px;margin:0 0 6px}.plan-nav .process-tabs{flex-direction:column;align-items:stretch;gap:2px;margin-bottom:10px}.plan-nav .process-tabs button{font-size:12px;padding:3px 8px;justify-content:flex-start}.process-progress{list-style:none;margin:0 0 12px;padding:8px 10px;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-wrap:wrap;gap:4px 14px}.process-progress li{display:flex;align-items:center;gap:5px;font-size:12px;padding:2px 6px;border-radius:6px;white-space:nowrap}.process-progress li.current{background:var(--bg);font-weight:600}.plan-nav button{font-size:12px;padding:3px 8px}@media(max-width:1180px){.drawing-layout{grid-template-columns:minmax(280px,1fr) minmax(300px,1fr)}.plan-nav{grid-column:1 / -1;position:static}.plan-nav .process-tabs{flex-direction:row;flex-wrap:wrap}.drawing-head{display:flex;justify-content:space-between;align-items:baseline}.drawing-head .head-process{display:none}.col-process{display:block}}@media(max-width:820px){.drawing-layout{grid-template-columns:1fr}.drawing-pane{position:static}}.drawing-viewer{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:10px;text-align:center}.drawing-viewer canvas,.drawing-viewer img{max-width:100%;height:auto;cursor:zoom-in}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a99;display:flex;align-items:center;justify-content:center;z-index:50;padding:24px}.modal-body{background:#fff;border-radius:var(--radius);padding:12px;max-height:92vh;max-width:92vw;overflow:auto}.modal-image{max-width:88vw;max-height:82vh;height:auto}.process-tabs{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:12px}.process-tabs button{display:inline-flex;align-items:center;gap:6px;font-size:13px}.process-tabs button.active{border-color:var(--primary);color:var(--primary-dark);font-weight:600}.dot{width:7px;height:7px;border-radius:50%;display:inline-block}.question-card{border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:12px;background:#fff}.question-card h4{margin:0 0 4px;font-size:14px}.question-card .tech{font-size:11px;color:var(--muted)}.toast-area{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:100}.toast{background:#0f172a;color:#fff;padding:10px 14px;border-radius:6px;max-width:420px;box-shadow:0 4px 12px #0003}.toast.error{background:#991b1b}.chips{display:flex;flex-wrap:wrap;gap:6px}.chips button{border-radius:999px;padding:4px 14px;font-size:13px}.chips button.on{background:var(--primary);border-color:var(--primary);color:#fff}.tag-edit-layout{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(420px,1.4fr);gap:16px;align-items:start}.tag-edit-forms{display:flex;flex-direction:column;gap:16px}.tag-edit-forms>.panel{margin:0}@media(max-width:1080px){.tag-edit-layout{grid-template-columns:1fr}.tag-edit-layout .drawing-pane{position:static}}