:root{font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", "Yu Gothic", sans-serif;color:#17212b;background:#e9eef3;font-size:16px}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select{font:inherit}button,.btn{touch-action:manipulation}.hidden{display:none!important}
.topbar{height:66px;display:flex;align-items:center;gap:12px;padding:0 18px;background:#172533;color:#fff;border-bottom:1px solid #26394a;box-shadow:0 2px 10px #0f1c2830;position:relative;z-index:20}.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:#1684f8;font-size:26px}.brand h1{margin:0;font-size:18px}.brand span{display:block;color:#a9bed1;font-size:11px}.top-actions{margin-left:auto;display:flex;gap:8px}.btn{height:36px;padding:0 13px;border:1px solid transparent;border-radius:7px;display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:13px;font-weight:700;cursor:pointer}.btn.primary{background:#1684f8;color:#fff}.btn.secondary{background:#263746;border-color:#536575;color:#fff}.btn.outline{background:#fff;border-color:#cbd6df;color:#32495d}.btn:disabled{opacity:.45;cursor:not-allowed}.full{width:100%;margin-top:10px}
.workspace{height:calc(100vh - 66px);display:grid;grid-template-columns:284px minmax(420px,1fr) 310px;overflow:hidden}.panel{background:#fff;overflow-y:auto;scrollbar-width:thin}.left-panel{border-right:1px solid #dbe3ea}.right-panel{border-left:1px solid #dbe3ea;padding:16px}.left-panel section{padding:18px;border-bottom:1px solid #e6ebf0}.section-title{display:flex;align-items:center;gap:9px;margin-bottom:14px}.section-title b{width:23px;height:23px;display:grid;place-items:center;border-radius:6px;background:#e5f1fe;color:#0875e8;font-size:12px}.section-title h2,.card-title h2{margin:0;font-size:15px}.left-panel label,.card label{display:block;color:#617181;font-size:12px;font-weight:700;margin:0 0 6px}input,select{width:100%;height:36px;border:1px solid #d5dee7;border-radius:7px;background:#fff;padding:0 10px;color:#263747;outline:none}input:focus,select:focus{border-color:#4a97eb;box-shadow:0 0 0 3px #4a97eb28}
.pdf-drop{min-height:92px;padding:12px;border:1.5px dashed #9eb7cb!important;border-radius:10px;background:#f7fbff;display:grid!important;place-items:center;gap:4px;cursor:pointer}.pdf-drop:hover{border-color:#1684f8!important;background:#eff7ff}.upload-icon{color:#1684f8;font-size:24px}.pdf-drop strong{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.pdf-drop small{font-size:11px;color:#7b8b98}.page-nav{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:10px;font-size:12px}.page-nav button{width:32px;height:30px;border:1px solid #d5dee7;border-radius:6px;background:#fff}.calibration{margin-top:11px;padding:11px;border-radius:9px;background:#f5f8fb}
.span-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-bottom:12px}.span-grid button{padding:9px 4px 7px;border:1px solid #d5dee7;border-radius:7px;background:#fff;color:#3f5263;font-size:13px;font-weight:800;cursor:pointer;box-shadow:inset 0 3px 0 transparent}.span-grid small{display:block;color:#8a98a4;font-size:9px;font-weight:500}.span-grid button:hover,.span-grid button.active{border-color:var(--c);box-shadow:inset 0 3px 0 var(--c);background:color-mix(in srgb,var(--c) 8%,white)}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.drawing-area{min-width:0;display:grid;grid-template-rows:50px minmax(0,1fr) 28px;background:#cbd4dc}.toolbar{display:flex;align-items:center;justify-content:space-between;padding:0 10px;background:#fff;border-bottom:1px solid #dbe3ea;box-shadow:0 1px 5px #23415a14;z-index:5}.toolbar>div{display:flex;align-items:center;gap:3px}.tool,.icon-btn{height:34px;border:0;border-radius:6px;background:transparent;color:#42596b;font-size:13px;cursor:pointer}.tool{padding:0 10px}.icon-btn{width:34px;font-size:20px}.tool:hover,.icon-btn:hover,.tool.active{background:#eaf2fb;color:#175b9e}.toolbar i{width:1px;height:22px;background:#dce3e9;margin:0 4px}.toolbar #zoomLabel{min-width:45px;text-align:center;font-size:12px;color:#50606f}.canvas-scroll{overflow:auto;padding:34px;scrollbar-width:thin}.drawing-stage{position:relative;margin:auto;width:1120px;height:760px;min-width:600px;min-height:500px;overflow:hidden;background-color:#fff;background-image:linear-gradient(#e4ebf160 1px,transparent 1px),linear-gradient(90deg,#e4ebf160 1px,transparent 1px);background-size:20px 20px;box-shadow:0 7px 24px #21364636;user-select:none}.drawing-stage.tool-add{cursor:crosshair}.drawing-stage.tool-calibrate{cursor:cell}#pdfCanvas{position:absolute;inset:0;opacity:0;pointer-events:none}#pdfCanvas.visible{opacity:1}.empty-plan{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:8px;color:#7c8c99;pointer-events:none}.empty-plan>span{font-size:60px;color:#a6b5c1}.empty-plan strong{font-size:16px;color:#536675}.empty-plan small{font-size:12px}
.scaffold-block{position:absolute;min-width:10px;min-height:10px;padding:0;border:2px solid;border-radius:2px;display:grid;place-items:center;cursor:grab;color:#17334c;font-weight:900;box-shadow:inset 0 0 0 1px #ffffffb8,0 1px 3px #20344328}.scaffold-block:active{cursor:grabbing}.scaffold-block:before,.scaffold-block:after{content:"";position:absolute;inset:4px 50% 4px auto;border-left:1px solid var(--c);opacity:.65}.scaffold-block:after{inset:50% 4px auto 4px;border-left:0;border-top:1px solid var(--c)}.scaffold-block.selected{outline:3px solid #102b42;outline-offset:2px;z-index:4}.block-size{position:relative;z-index:2;display:grid;place-items:center;height:16px;padding:0 3px;border-radius:8px;background:#fffffff0;white-space:nowrap;font-size:8px;line-height:1;letter-spacing:-.2px;box-shadow:0 1px 3px #0002;pointer-events:none}#postsLayer{position:absolute;inset:0;z-index:6;pointer-events:none}.post-dot{position:absolute;width:10px;height:10px;transform:translate(-50%,-50%);border:2px solid #102b42;border-radius:50%;background:#fff;box-shadow:0 0 0 1px #ffffffcc}.post-dot.selected-post{background:#102b42;border-color:#fff;box-shadow:0 0 0 2px #102b42}.cal-point{position:absolute;transform:translate(-50%,-50%);width:24px;height:24px;display:grid;place-items:center;border-radius:50%;background:#e53253;color:#fff;border:3px solid #fff;box-shadow:0 2px 7px #0004;font-size:10px;font-weight:800;z-index:8}.statusbar{display:flex;justify-content:space-between;align-items:center;padding:0 12px;background:#f8fafc;border-top:1px solid #dbe3ea;color:#647485;font-size:11px}
.card{border:1px solid #dce4eb;border-radius:11px;background:#fff;padding:14px;box-shadow:0 2px 8px #18324a0b}.card.summary{margin-top:12px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:14px}.badge{padding:3px 8px;border-radius:20px;background:#0d72df;color:#fff;font-size:10px}.badge.pale{border:1px solid #d5dee7;background:#fff;color:#5e7080}.empty-selection{padding:12px;border-radius:8px;background:#f5f8fa;color:#758593;font-size:12px;line-height:1.65}.selected-spec{display:flex;align-items:center;gap:6px;padding:10px;margin-bottom:12px;border-radius:8px;background:#f3f7fa}.selected-spec i{width:5px;height:25px;border-radius:3px}.selected-spec strong{font-size:16px}.selected-spec small{color:#788895}.levels{display:flex;justify-content:space-between;color:#607080;font-size:12px}.selection-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:5px}.selection-actions button{height:34px;border:1px solid #d5dee7;border-radius:6px;background:#fff;font-size:11px;font-weight:700}.selection-actions .danger{color:#c92c48}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:5px;margin-bottom:12px}.metrics div{padding:9px 4px 8px;border-radius:8px;background:#edf4fa;text-align:center}.metrics span{display:block;color:#637587;font-size:10px}.metrics strong{font-size:18px;margin-right:2px}.metrics small{font-size:9px;color:#6c7b88}.table-wrap{max-height:280px;overflow:auto;margin-bottom:10px;border:1px solid #e2e8ed;border-radius:8px}table{width:100%;border-collapse:collapse;font-size:12px}th{position:sticky;top:0;padding:7px 9px;background:#f3f6f8;color:#667887;text-align:left;font-size:10px}th:last-child,td:last-child{text-align:right}td{padding:8px 9px;border-top:1px solid #e7ecf0}td small{display:block;color:#8b98a3;font-size:9px}td strong{font-size:13px}.zero{padding:22px 8px!important;text-align:center!important;color:#82909a}.disclaimer{margin:10px 0 0;padding-top:9px;border-top:1px solid #e7ecf0;color:#7a8995;font-size:10px;line-height:1.55}
@media(max-width:1080px){.workspace{grid-template-columns:248px minmax(380px,1fr) 270px}.right-panel{padding:10px}.left-panel section{padding:14px}.selection-actions{grid-template-columns:1fr}}
@media(max-width:820px){.topbar{height:auto;min-height:62px;padding:9px 11px;flex-wrap:wrap}.brand span{display:none}.top-actions{width:100%;order:3}.top-actions>*{flex:1}.workspace{height:auto;display:flex;flex-direction:column;overflow:visible}.panel{overflow:visible}.left-panel{display:grid;grid-template-columns:1fr 1fr;border:0}.left-panel section:last-child{grid-column:1/-1}.drawing-area{min-height:650px;order:2;grid-template-rows:50px 570px 30px}.right-panel{order:3;display:grid;grid-template-columns:1fr 1fr;gap:10px;border:0;padding:12px}.card.summary{margin:0}}
@media(max-width:560px){.brand h1{font-size:16px}.top-actions .btn{font-size:11px;padding:0 6px}.left-panel{display:block}.drawing-area{min-height:570px;grid-template-rows:48px 492px 30px}.tool{font-size:0;width:38px}.tool:first-letter{font-size:18px}.canvas-scroll{padding:18px}.right-panel{display:block}.card.summary{margin-top:10px}.selection-actions{grid-template-columns:1fr 1fr 1fr}}
@media print{.topbar,.left-panel,.toolbar,.statusbar,.card:first-child,.summary .btn,.disclaimer{display:none!important}.workspace{display:grid;height:auto;grid-template-columns:1fr 260px;overflow:visible}.drawing-area{display:block;background:#fff}.canvas-scroll{overflow:visible;padding:0}.drawing-stage{transform:scale(.72);transform-origin:top left;box-shadow:none}.right-panel{display:block;overflow:visible;border:0}.card.summary{margin:0;box-shadow:none}}

/* v5: 図面を主役にした横長配置と開閉式集計パネル */
.workspace{grid-template-columns:250px minmax(420px,1fr) 310px;transition:grid-template-columns .2s ease}.workspace.right-collapsed{grid-template-columns:250px minmax(420px,1fr) 0}.left-panel{overflow-y:auto}.drawing-area{grid-template-rows:46px minmax(0,1fr) 88px 26px}.canvas-scroll{padding:16px}.range-help{margin-left:8px;color:#8795a1;font-size:10px}.fit-btn{height:30px;padding:0 9px;border:1px solid #d5dee7;border-radius:6px;background:#fff;color:#42596b;font-size:11px;cursor:pointer}
.placement-bar{display:flex;align-items:center;gap:10px;min-width:0;padding:8px 12px;background:#fff;border-top:1px solid #d5dee7;box-shadow:0 -2px 8px #18324a12;z-index:9}.placement-title{display:flex;align-items:center;gap:7px;flex:0 0 auto;font-size:13px;font-weight:800}.placement-title b{width:23px;height:23px;display:grid;place-items:center;border-radius:6px;background:#e5f1fe;color:#0875e8;font-size:12px}.placement-bar label{display:block;margin:0 0 3px;color:#617181;font-size:10px;font-weight:700}.placement-spans{flex:1 1 330px;min-width:270px}.placement-bar .span-grid{grid-template-columns:repeat(5,minmax(44px,1fr));gap:5px;margin:0}.placement-bar .span-grid button{height:52px;padding:7px 3px 4px}.placement-field{flex:0 0 112px}.placement-field input,.placement-field select{height:34px}.height-result{flex:0 0 104px;padding:7px 8px;border-radius:7px;background:#edf4fa;text-align:center}.height-result span{display:block;color:#637587;font-size:9px}.height-result strong{font-size:12px;white-space:nowrap}.placement-add{flex:0 0 178px;height:42px;margin:14px 0 0;padding:0 9px}
.right-panel{position:relative;width:310px;padding:12px;overflow:visible;transition:width .2s ease,padding .2s ease}.right-panel-content{height:100%;overflow-y:auto;scrollbar-width:thin}.right-panel.collapsed{width:0;padding:0;border:0}.right-panel.collapsed .right-panel-content{display:none}.panel-toggle{position:absolute;left:-34px;top:10px;width:34px;height:42px;border:1px solid #cbd6df;border-right:0;border-radius:8px 0 0 8px;background:#fff;color:#175b9e;font-size:24px;line-height:1;cursor:pointer;box-shadow:-2px 2px 8px #18324a18;z-index:20}.actual-height{display:flex;justify-content:space-between;margin:9px 0;padding:8px;border-radius:7px;background:#edf4fa;color:#607080;font-size:11px}.actual-height strong{color:#17334c}
#selectionLayer{position:absolute;inset:0;z-index:7;pointer-events:none}.marquee{position:absolute;border:1.5px dashed #0875e8;background:#1684f826;box-shadow:0 0 0 1px #fff8 inset}.drawing-stage.tool-select{cursor:default}.drawing-stage.range-selecting{cursor:crosshair}.scaffold-block.selected{outline-color:#102b42}.scaffold-block.multi-selected{outline:3px solid #e53253;outline-offset:2px;z-index:4}

@media(max-width:1180px){.workspace{grid-template-columns:220px minmax(380px,1fr) 285px}.workspace.right-collapsed{grid-template-columns:220px minmax(380px,1fr) 0}.placement-bar{gap:6px;padding:7px 8px}.placement-title span{display:none}.placement-spans{min-width:245px}.placement-field{flex-basis:96px}.height-result{display:none}.placement-add{flex-basis:145px;font-size:11px}.right-panel{width:285px}}
@media(max-width:820px){.workspace,.workspace.right-collapsed{height:auto;display:flex;overflow:visible}.left-panel{display:grid;grid-template-columns:1fr 1fr}.drawing-area{min-height:720px;grid-template-rows:48px 500px auto 30px}.placement-bar{flex-wrap:wrap}.placement-title span{display:inline}.placement-spans{flex-basis:100%}.placement-field{flex:1 1 28%}.height-result{display:block;flex:1 1 28%}.placement-add{flex:1 1 100%;margin:0}.right-panel,.right-panel.collapsed{width:auto;padding:12px;border:0}.right-panel.collapsed{height:0;padding:0}.right-panel.collapsed .right-panel-content{display:none}.panel-toggle{left:auto;right:12px;top:-44px;border:1px solid #cbd6df;border-radius:8px}.right-panel-content{overflow:visible}}
@media(max-width:560px){.drawing-area{min-height:780px;grid-template-rows:48px 450px auto 30px}.range-help{display:none}.fit-btn{font-size:0;width:32px;padding:0}.fit-btn:after{content:"⊡";font-size:18px}.placement-field{flex-basis:45%}.height-result{flex-basis:45%}}
@media print{.placement-bar,.panel-toggle{display:none!important}}

/* v19: FL入力と横方向フィルハンドル */
.resize-handle{position:absolute;right:-6px;bottom:-6px;width:12px;height:12px;border:2px solid #fff;border-radius:3px;background:#1684f8;box-shadow:0 0 0 1px #0d5fae;cursor:ew-resize;z-index:5;opacity:0}.scaffold-block.selected .resize-handle{opacity:1}.scaffold-block.selected .resize-handle:hover{background:#0875e8;transform:scale(1.15)}
.floor-levels-head{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.floor-levels-head label{margin:0}.mini-add,.mini-remove{border:1px solid #b8d4e8;border-radius:5px;background:#f3f9fe;color:#1268ad;font-size:11px;cursor:pointer}.mini-add{padding:4px 7px}.level-rows{display:grid;gap:6px;margin-top:6px}.level-row{display:grid;grid-template-columns:1fr 1fr 26px;align-items:center;gap:6px}.level-row label{margin:0;font-size:11px}.level-row input{height:32px}.mini-remove{width:26px;height:26px;color:#b43a4f;border-color:#e2bac2;background:#fff}
.section-post-mark{fill:#fff;stroke:#183a55;stroke-width:1.3}.section-post-label{fill:#183a55;font-size:7px;font-weight:800}.section-surface-label{fill:#71899b;font-size:7px;font-weight:700}.section-fl-zero{stroke:#a0acb6;stroke-width:.8;stroke-dasharray:3 2}.section-fl-zero-label{fill:#718392;font-size:7px;font-weight:700}
.section-building-level{stroke:#e88b18;stroke-width:1;stroke-dasharray:4 2}.section-building-level-label{fill:#b56200;font-size:6.5px;font-weight:800}

/* v28: 選択変更と断面図の支柱構成 */
.selection-change{margin:10px 0;padding:10px;border:1px solid #d7e3eb;border-radius:8px;background:#f8fbfd}.selection-change>strong{display:block;margin-bottom:8px;color:#26445c;font-size:11px}.selection-change-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.selection-change-grid>div:last-child{grid-column:1/-1}.selection-change-grid select{height:32px;font-size:11px}.selection-change .stair-toggle{margin:9px 0 0}
.section-allocation{stroke:#546f83;stroke-width:1}.section-allocation-tick{stroke:#546f83;stroke-width:1}.section-allocation-label{fill:#304f66;font-size:6px;font-weight:800}.section-allocation-title{fill:#173b5a;font-size:6.5px;font-weight:900}.section-building-level-label-bg{fill:#fff;opacity:.9}.section-upper-label-bg{fill:#fff;opacity:.94}
.section-modal-view .section-allocation-label{font-size:6px}.section-modal-view .section-allocation-title{font-size:6.5px}

/* v6: ページ全体のスクロールと共通フッター */
html,body{min-height:100%;overflow-x:hidden}.workspace{height:calc(100svh - 66px);min-height:560px}.left-panel{min-height:0;overscroll-behavior:contain}.page-footer{min-height:92px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;background:#172533;color:#fff;border-top:3px solid #1684f8}.page-footer div{display:flex;flex-direction:column;gap:4px}.page-footer strong{font-size:15px}.page-footer span{color:#a9bed1;font-size:11px}.page-footer nav{display:flex;gap:18px}.page-footer a{color:#dcecff;font-size:12px;text-decoration:none}.page-footer a:hover{text-decoration:underline}
.legal-body{background:#eef3f7}.legal-body .topbar{position:static}.legal-main{width:min(880px,calc(100% - 32px));margin:34px auto;padding:30px;border:1px solid #dce4eb;border-radius:12px;background:#fff;box-shadow:0 5px 20px #18324a12}.legal-main h1{margin:0 0 24px;font-size:26px}.legal-main h2{margin:28px 0 10px;padding-bottom:7px;border-bottom:1px solid #e1e8ee;font-size:17px}.legal-main p,.legal-main li,.legal-main td,.legal-main th{font-size:14px;line-height:1.8}.legal-main table{margin:0 0 20px}.legal-main th{width:180px;background:#f3f7fa}.legal-main td,.legal-main th{text-align:left;vertical-align:top}.legal-main a{color:#0875e8}.back-link{display:inline-flex;margin-top:20px;color:#0875e8;text-decoration:none;font-weight:700}
.tutorial-main{width:min(980px,calc(100% - 32px))}.tutorial-lead{margin:-10px 0 24px;color:#526879}.tutorial-steps{display:grid;gap:16px;counter-reset:tutorial}.tutorial-step{position:relative;padding:22px 22px 20px 76px;border:1px solid #dce6ee;border-radius:12px;background:#fbfdff}.tutorial-step:before{counter-increment:tutorial;content:counter(tutorial);position:absolute;left:22px;top:21px;width:36px;height:36px;display:grid;place-items:center;border-radius:50%;background:#1684f8;color:#fff;font-weight:800}.tutorial-step h2{margin:0 0 8px;padding:0;border:0;font-size:18px}.tutorial-step p{margin:7px 0}.tutorial-step ul{margin:8px 0 0;padding-left:20px}.tutorial-tip{margin-top:12px;padding:11px 13px;border-left:4px solid #00a88f;border-radius:5px;background:#eaf8f5;color:#254f49}.tutorial-controls{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 18px;margin-top:10px}.tutorial-controls div{padding:10px 12px;border-radius:7px;background:#f0f5f9;font-size:13px;line-height:1.6}.tutorial-controls strong{display:block;color:#17344c}.tutorial-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}.tutorial-actions .back-link{margin-top:0;padding:10px 14px;border:1px solid #bed3e4;border-radius:7px;background:#fff}
@media(max-width:820px){.workspace{height:auto;min-height:0}.page-footer{flex-direction:column;align-items:flex-start;padding:20px}.page-footer nav{flex-wrap:wrap}.legal-main{margin:20px auto;padding:20px}.legal-main th{width:110px}.tutorial-step{padding:18px 16px 18px 64px}.tutorial-step:before{left:14px;top:16px}.tutorial-controls{grid-template-columns:1fr}}
@media print{.page-footer{display:none!important}}

/* v7: 左側4ステップ、折りたたみ、見やすいズーム操作 */
.workspace{grid-template-columns:270px minmax(420px,1fr) 310px}.workspace.right-collapsed{grid-template-columns:270px minmax(420px,1fr) 0}
.left-panel section,.left-panel section:last-child{padding:0;border-bottom:1px solid #e1e8ee}.setup-section{background:#fff}.section-title.section-toggle{width:100%;min-height:52px;margin:0;padding:12px 15px;border:0;background:#fff;text-align:left;cursor:pointer}.section-title.section-toggle:hover{background:#f5f9fc}.section-title.section-toggle h2{flex:1}.section-chevron{width:26px;height:26px;display:grid;place-items:center;border:1px solid #d6e0e8;border-radius:7px;color:#1768ad;background:#f8fbfd;font-size:18px;font-weight:500}.setup-section.open>.section-title{color:#102f49}.setup-section.open>.section-title .section-chevron{background:#eaf4fe;border-color:#b8d7f3}.section-content{padding:0 15px 16px}.setup-section:not(.open)>.section-content{display:none}.level-fields{display:grid;gap:10px}.left-panel .height-result{display:flex;align-items:center;justify-content:space-between;margin-top:11px;padding:10px 11px;border-radius:8px;background:#edf4fa;text-align:left}.left-panel .height-result span{font-size:11px}.left-panel .height-result strong{font-size:13px}.left-panel .span-grid{grid-template-columns:repeat(3,1fr);margin-bottom:12px}.left-panel #addMode{min-height:42px}
.drawing-area{grid-template-rows:46px minmax(0,1fr) 26px}.toolbar{padding-right:48px}.view-tools{flex:0 0 auto}.zoom-btn{width:36px;height:34px;border:1px solid #b9cad8;border-radius:7px;background:#edf4fa;color:#174f7d;font-size:22px;font-weight:800;line-height:1;cursor:pointer}.zoom-btn:hover{border-color:#1684f8;background:#dfefff}.zoom-btn.zoom-in{border-color:#1684f8;background:#1684f8;color:#fff;box-shadow:0 2px 6px #1684f840}.zoom-btn.zoom-in:hover{background:#0875e8}.canvas-scroll.is-panning,.canvas-scroll.is-panning *{cursor:grabbing!important}.canvas-scroll{overscroll-behavior:contain}
@media(max-width:1180px){.workspace{grid-template-columns:235px minmax(380px,1fr) 285px}.workspace.right-collapsed{grid-template-columns:235px minmax(380px,1fr) 0}.toolbar{padding-right:44px}.section-title.section-toggle{padding:11px 12px}.section-content{padding:0 12px 14px}}
@media(max-width:820px){.left-panel{display:block}.drawing-area{min-height:610px;grid-template-rows:48px 530px 30px}.toolbar{padding-right:52px}}
@media(max-width:560px){.drawing-area{min-height:560px;grid-template-rows:48px 482px 30px}.toolbar{padding-right:48px}.zoom-btn{width:32px}.toolbar #zoomLabel{min-width:38px}.view-tools{gap:2px!important}}
@media print{.section-toggle{display:none!important}}

/* v8: 左メニュー上でもページ全体へスクロールを引き継ぐ */
.left-panel{overscroll-behavior:auto}

/* v9: 概算数量の部材区分 */
.quantity-group th{position:static;padding:9px 10px;border-top:2px solid #cbd9e4;background:#eaf2f8;color:#173b5a;text-align:left;font-size:12px;font-weight:800}.quantity-group:first-child th{border-top:0}.quantity-group small{display:inline;margin-left:7px;color:#687f92;font-size:9px;font-weight:600}

/* v31: 概算数量の区分開閉 */
.quantity-group th{padding:0}.quantity-group-toggle{width:100%;min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 10px;border:0;background:#eaf2f8;color:#173b5a;text-align:left;font-size:12px;font-weight:800;cursor:pointer}.quantity-group-toggle:hover{background:#dceaf4}.quantity-group-toggle span{min-width:0}.quantity-group-toggle i{width:22px;height:22px;display:grid;place-items:center;flex:0 0 auto;border:1px solid #b8cad8;border-radius:5px;background:#fff;color:#1768ad;font-size:15px;font-style:normal;line-height:1}.quantity-item.is-collapsed{display:none}

/* v10: 選択足場の断面図 */
.section-preview{margin:0 0 12px;padding:7px;border:1px solid #d7e3eb;border-radius:9px;background:linear-gradient(#f9fcfe,#edf4f8)}.section-preview svg{display:block;width:100%;height:auto}.section-ground{stroke:#71899b;stroke-width:2}.section-post{stroke:#183a55;stroke-width:4;stroke-linecap:round}.section-floor{stroke:#1684f8;stroke-width:3}.section-brace{stroke:#7b91a2;stroke-width:1.5}.section-jack{fill:#183a55}.section-dimension{stroke:#60788a;stroke-width:1}.section-arrow{fill:#60788a}.section-level{fill:#708393;font-size:8px}.section-width,.section-height{fill:#334e62;font-size:9px;font-weight:700}.section-badge{fill:#0875e8;font-size:10px;font-weight:800}

/* v11: 概算数量の二重スクロールを解消 */
.right-panel-content{padding-bottom:20px}.table-wrap{max-height:none;overflow:visible}

/* v12: 作業床基準の断面図 */
.section-handrail{stroke:#00a88f;stroke-width:2}.section-note{fill:#718392;font-size:7px}.section-badge{font-size:8px}

/* v13: 右パネルのスクロール固定と長手方向立面 */
@media(min-width:821px){.right-panel{display:grid;grid-template-rows:minmax(0,1fr);min-height:0}.right-panel-content{height:auto;min-height:0;overflow-y:auto;overscroll-behavior:auto;scrollbar-gutter:stable;padding-right:3px;padding-bottom:28px}}

/* v14: 1段目作業床と作業床層数 */
.selected-floor-count{margin:10px 0}.selected-floor-count input{height:34px}

/* v16: 階段の個別配置と複数区画立面 */
.stair-option{display:flex!important;align-items:center;gap:9px;margin-top:12px!important;padding:9px 10px;border:1px solid #d4e0e9;border-radius:8px;background:#f6f9fb;cursor:pointer}.stair-option input{width:18px;height:18px;flex:0 0 auto}.stair-option span{display:flex;flex-direction:column}.stair-option strong{font-size:12px}.stair-option small{color:#718291;font-size:9px}.stair-toggle{width:100%;height:34px;margin:0 0 8px;border:1px solid #9fc5e8;border-radius:7px;background:#eef7ff;color:#1266aa;font-size:11px;font-weight:800}.stair-toggle:disabled{border-color:#d8e0e6;background:#f5f7f8;color:#8c99a3}.block-size em{margin-left:3px;color:#b24b00;font-size:7px;font-style:normal}.scaffold-block.has-stair{background-image:linear-gradient(145deg,transparent 44%,#e88b18 46%,#e88b18 53%,transparent 55%)}.section-stair{stroke:#e88b18;stroke-width:3}.section-bay-label{fill:#617889;font-size:7px}

/* v17: FL寸法入り断面図と拡大表示 */
.section-preview{position:relative;cursor:zoom-in;outline:none;transition:border-color .15s,box-shadow .15s}.section-preview:hover,.section-preview:focus-visible{border-color:#1684f8;box-shadow:0 0 0 3px #1684f820}.section-preview:after{content:"クリックで拡大";position:absolute;right:7px;bottom:6px;padding:2px 5px;border-radius:4px;background:#173b5ad9;color:#fff;font-size:7px;font-weight:700;pointer-events:none}.section-extension{stroke:#91a4b3;stroke-width:.8;stroke-dasharray:2 2}.section-level-tick{stroke:#1684f8;stroke-width:1.4}.section-level-label{fill:#1269b2;font-size:7px;font-weight:800}.section-height{fill:#173b5a;font-size:8px;font-weight:800}.section-dimension{stroke:#60788a;stroke-width:1}.section-arrow{fill:#60788a}
.section-modal{width:min(960px,94vw);max-width:none;max-height:92vh;padding:0;border:0;border-radius:14px;background:transparent;box-shadow:0 24px 70px #08131f70}.section-modal::backdrop{background:#10202dcc;backdrop-filter:blur(3px)}.section-modal-card{padding:20px;border-radius:14px;background:#fff}.section-modal-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:12px}.section-modal-head h2{margin:0;font-size:18px}.section-modal-head button{width:38px;height:38px;border:1px solid #cbd8e2;border-radius:50%;background:#f3f7fa;color:#304b60;font-size:25px;line-height:1;cursor:pointer}.section-modal-view{padding:18px;border:1px solid #d7e3eb;border-radius:10px;background:linear-gradient(#f9fcfe,#edf4f8)}.section-modal-view svg{display:block;width:100%;max-height:70vh}.section-modal-card>p{margin:12px 0 0;color:#667b8d;font-size:12px;text-align:center}.section-modal-view .section-level-label{font-size:6.5px}.section-modal-view .section-height{font-size:7.5px}.section-modal-view .section-bay-label{font-size:6.5px}.section-modal-view .section-width{font-size:8px}
@media(max-width:560px){.section-modal-card{padding:12px}.section-modal-head h2{font-size:15px}.section-modal-view{padding:8px}.section-modal-card>p{font-size:10px}.section-preview:after{content:"拡大"}}

/* v18: 右ドラッグ連続配置 */
.series-preview{position:absolute;border:2px dashed;border-radius:3px;background:#1684f81c;box-shadow:inset 0 0 0 1px #fff;pointer-events:none}.drawing-stage.series-placing{cursor:ew-resize}.drawing-stage.series-placing .series-preview:nth-child(even){background:#00a88f18}
.rail-settings{margin-top:14px;padding-top:12px;border-top:1px solid #d7e3eb}.rail-settings>strong{display:block;margin-bottom:8px;font-size:14px}.rail-settings p,.column-editor p{font-size:14px;line-height:1.6;color:#536c7f}.rail-settings select{width:100%;margin-bottom:8px}.rail-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;font-size:14px}.rail-legend .advance{color:#7c3bc0}.plan-rails{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}.plan-rails.rotated{transform:rotate(90deg)}.plan-rail{stroke:#0877ce;stroke-width:3;vector-effect:non-scaling-stroke}.plan-rail.advance{stroke:#7c3bc0;stroke-dasharray:6 3;stroke-width:4}.plan-rail.brace{stroke:#e88b18;stroke-dasharray:2 3}.plan-rails text{fill:#0877ce;font-size:12px;font-weight:700}.editable-column{cursor:pointer;fill:#075dc8;text-decoration:underline}.editable-column:focus{outline:2px solid #075dc8}.column-editor{margin-top:16px;padding:16px;border:1px solid #d7e3eb;border-radius:10px}.column-editor h3{margin:0 0 12px;font-size:16px}.column-editor select{width:100%;min-height:40px}.column-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:8px 0;padding:8px;background:#f3f7fa;border-radius:6px;font-size:14px}.column-row input{width:110px;min-height:38px;font-size:16px}.column-row-actions{display:flex;gap:6px;flex-wrap:wrap}.column-row button,.column-actions button{min-height:36px;padding:6px 10px;border:1px solid #bccdda;border-radius:6px;background:#fff;font-size:14px;cursor:pointer}.column-row button:disabled{opacity:.4;cursor:default}.column-actions{display:flex;gap:8px;flex-wrap:wrap}.column-actions .primary{background:#0875e8;color:white}.column-editor .invalid{color:#b52f42}.section-modal{overflow-y:auto}.section-modal-view svg{max-height:45vh}.column-editor label{font-size:14px;display:block;margin-bottom:6px}@media(max-width:560px){.column-editor{padding:10px}.column-editor .two-fields{grid-template-columns:1fr}.column-row-actions{width:100%}.column-row{gap:6px}}
.section-handrail.advance{stroke:#7c3bc0;stroke-dasharray:4 2}.section-handrail.brace{stroke:#e88b18;stroke-dasharray:2 2}.section-joint{stroke:#ef8a14;stroke-width:2}
.section-view-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:10px;position:sticky;top:0;z-index:2;padding:8px 0;background:#fff}.section-view-toolbar button{min-height:38px;padding:7px 12px;font-size:14px;border:1px solid #bdcedb;border-radius:6px;background:#f3f7fa;color:#24475f;cursor:pointer}.section-view-toolbar output{min-width:52px;text-align:center;font-size:14px;font-weight:700}.section-view-toolbar span{color:#536c7f;font-size:14px}.section-view-toolbar button:disabled{opacity:.4;cursor:default}.section-modal-view{height:clamp(240px,48vh,560px);overflow:auto;padding:12px;touch-action:none;cursor:grab;overscroll-behavior:contain}.section-modal-view.is-section-panning{cursor:grabbing;user-select:none}.section-modal-view svg{width:auto;max-width:none;max-height:none;display:block;flex-shrink:0}.section-modal-view .section-allocation-label,.section-modal-view .section-level-label,.section-modal-view .section-building-level-label,.section-modal-view .section-bay-label{font-size:8px}.section-modal-view .section-allocation-title{font-size:8px}.section-label-leader{fill:none;stroke:#91a4b3;stroke-width:.8}.section-preview{height:220px}.section-preview svg{height:100%;width:100%;max-height:none}@media(max-width:560px){.section-view-toolbar{gap:6px}.section-view-toolbar span{width:100%;font-size:14px}.section-modal-view{height:45vh;min-height:240px;padding:12px}}