/* 家具の配置シミュレーター：作業画面（スタジオ）。文字16px以上・押す所48px以上（company/research/43 の C-6） */
.st{--ink:#1f2328;--sub:#5b6270;--line:#dfe2e8;--bg:#f3f4f6;--panel:#fff;--ai:#4651c9;--ai-t:#eceefc;--ng:#d0352f;--floor:#fbf8f3;--wall:#383736;
  position:fixed;inset:0;z-index:60;display:grid;grid-template-columns:300px minmax(0,1fr);grid-template-rows:60px minmax(0,1fr);
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.5;color-scheme:light}
.st *{box-sizing:border-box}
.st button,.st .pr{font:inherit;font-size:16px;font-weight:700;cursor:pointer;border:1px solid var(--line);background:var(--panel);color:var(--ink);border-radius:12px;min-height:48px;padding:6px 14px;margin:0;display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;line-height:1.2;box-shadow:none;text-decoration:none}
.st button:hover{border-color:var(--ai);color:var(--ai);background:var(--panel)}
.st button:disabled{opacity:.38;cursor:default;color:var(--ink);border-color:var(--line)}
.st button:focus-visible,.st .pr:focus-visible{outline:3px solid var(--ai);outline-offset:2px}
.st button.pri{background:var(--ai);color:#fff;border-color:var(--ai)}
.st button.pri:hover{background:#3a44b3;color:#fff}
.st button.ic{width:48px;padding:0}
.st input,.st select{font:inherit;font-size:16px;border:1px solid #c9cdd6;border-radius:10px;padding:6px 10px;min-height:44px;width:100%;background:#fff;color:var(--ink)}
.st label{display:block;font-size:14px;color:var(--sub);font-weight:700}
.st .i{width:22px;height:22px;flex:none}
.st .nt{font-size:14px;color:var(--sub);margin:6px 0}
.st hr{border:0;border-top:1px solid var(--line);margin:4px 0}

/* 上の帯 */
.st-top{grid-column:1/-1;display:flex;align-items:center;gap:8px;padding:0 10px;background:var(--panel);border-bottom:1px solid var(--line);min-width:0}
.st-top .ttl{font-weight:700;font-size:18px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0;max-width:30vw;padding:0 6px}
.st-top .sp{flex:1}
.st-top .grp{display:flex;gap:6px}
.st-menu{position:relative}
.st-pop{position:absolute;right:0;top:54px;width:290px;background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 12px 32px #0003;padding:6px;z-index:20;display:grid;gap:2px}
.st-pop[hidden]{display:none}
.st-pop button{justify-content:flex-start;border:0;width:100%;font-weight:600}
.st-pop button:hover{background:var(--ai-t)}

/* 左：家具をえらぶ */
.st-cat{background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.st-cat .hd{padding:12px 12px 8px}
.st-cat .hdrow{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.st-cat .hdrow b{font-size:18px}
.st-catclose{display:none!important}
.st-search{display:flex!important;align-items:center;gap:6px;border:1px solid #c9cdd6;border-radius:12px;padding:0 10px;background:#fff;color:var(--sub)}
.st-search input{border:0;padding:6px 0;min-height:44px}
.st-search input:focus{outline:none}
.st-search:focus-within{outline:3px solid var(--ai);outline-offset:1px}
.st-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:0 12px 10px}
.st-tabs button{min-height:44px;font-size:15px;padding:4px 6px;border-radius:10px;font-weight:600}
.st-tabs button[aria-selected=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.st-grid{flex:1;overflow-y:auto;padding:2px 12px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;align-content:start;overscroll-behavior:contain}
.st .st-card{all:unset;box-sizing:border-box;cursor:pointer;border:2px solid var(--line);border-radius:14px;background:#fff;padding:8px 6px;text-align:center;touch-action:pan-y;user-select:none;-webkit-user-select:none;display:block}
.st .st-card:hover,.st .st-card:focus-visible{border-color:var(--ai);box-shadow:0 0 0 3px var(--ai-t)}
.st .st-card.on{border-color:var(--ai);background:var(--ai-t)}
.st .st-card svg{display:block;width:100%;height:70px;color:#6b5a48;pointer-events:none}
.st .st-card .nm{display:block;font-size:16px;font-weight:700;line-height:1.3;margin-top:4px}
.st .st-card .sb{display:block;font-size:14px;color:var(--ink)}
.st .st-card .sz{display:block;font-size:14px;color:var(--sub)}
.st-grid .none{grid-column:1/-1;font-size:15px;color:var(--sub)}
.st-cat .ft{border-top:1px solid var(--line);padding:10px 12px;display:grid;gap:6px}
.st-cat .ft button{width:100%;font-weight:600}

/* 中央：図 */
.st-main{position:relative;min-width:0;min-height:0;overflow:hidden;touch-action:none}
.st-svg{position:absolute;inset:0;width:100%;height:100%;display:block;user-select:none;-webkit-user-select:none;cursor:grab}
.st-svg.pan{cursor:grabbing}
.st-zoom{position:absolute;right:14px;bottom:70px;display:flex;align-items:center;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:4px;box-shadow:0 2px 10px #0001}
.st-zoom button{border:0}
.st-zoom .pct{min-width:54px;font-size:15px;color:var(--sub);text-align:center}
.st-info{position:absolute;left:0;right:0;bottom:0;min-height:58px;display:flex;align-items:center;flex-wrap:wrap;gap:6px 18px;padding:6px 14px;background:var(--panel);border-top:1px solid var(--line);font-size:16px}
.st-info .nm{font-size:17px}
.st-info label{display:flex;align-items:center;gap:6px;font-size:15px;color:var(--ink)}
.st-info input{width:86px;min-height:42px;text-align:right}
.st-info .dist{color:var(--sub);font-size:15px}
.st-info .ok{color:#1f7a3e;display:inline-flex;align-items:center;gap:4px;font-weight:700}
.st-info .warn{border-color:#f0b4b0;background:#fdeeee;color:#8a1f1f;min-height:42px}
.st-empty{position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);display:grid;justify-items:center;gap:10px;text-align:center;color:var(--sub);font-size:16px;background:#fffffff0;padding:20px 24px;border-radius:18px;box-shadow:0 8px 28px #0002}
.st-empty[hidden]{display:none}
.st button.big{min-height:60px;font-size:19px;padding:8px 26px;border-radius:16px}
.st-fab{display:none!important}
.st-toast{position:absolute;left:50%;bottom:76px;transform:translateX(-50%);display:flex;align-items:center;gap:12px;background:var(--ink);color:#fff;padding:8px 10px 8px 18px;border-radius:14px;max-width:calc(100% - 24px);box-shadow:0 6px 20px #0004;font-size:16px;z-index:8}
.st-toast[hidden]{display:none}
.st-toast button{background:#fff;color:var(--ink);min-height:40px;border:0}
.st-tip{position:absolute;left:50%;top:14px;transform:translateX(-50%);width:max-content;display:flex;align-items:center;gap:10px;background:#fff8d6;border:1px solid #e8d48a;color:#4a3b00;padding:6px 6px 6px 16px;border-radius:14px;max-width:calc(100% - 24px);box-shadow:0 4px 14px #0002;z-index:7;font-size:16px}
.st-tip[hidden]{display:none}
.st-tip button{min-height:40px}
/* 選んだ家具のそばの帯 */
.st-float{position:absolute;display:flex;gap:2px;background:var(--ink);border-radius:14px;padding:4px;box-shadow:0 8px 22px #0004;z-index:6}
.st-float[hidden]{display:none}
.st-float button{background:transparent;border:0;color:#fff;min-height:52px;padding:4px 12px;font-size:14px;flex-direction:column;gap:2px;border-radius:10px;font-weight:700}
.st-float button:hover{background:#ffffff26;color:#fff}
.st-more{position:absolute;z-index:9;width:320px;max-height:calc(100% - 16px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px #0003;padding:14px;display:grid;gap:10px}
.st-more[hidden]{display:none}
.st-more b{font-size:17px}
.st .row2{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.st .seg{display:flex;flex-wrap:wrap;gap:6px}
.st .seg button{min-height:44px;font-size:15px;padding:4px 12px;font-weight:600}
.st .seg button[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink)}
.st .pr{justify-content:flex-start;white-space:normal;font-weight:600;color:var(--ai);border-style:dashed}
.st .pr .t{font-size:12px;font-weight:700;border:1px solid currentColor;border-radius:4px;padding:0 4px;color:var(--sub)}
/* ゴミ箱（家具を動かしている間だけ） */
.st-bin{position:absolute;left:50%;bottom:72px;transform:translateX(-50%);width:220px;height:84px;border:2px dashed #c4c8d0;border-radius:18px;background:#fffffff2;display:flex;align-items:center;justify-content:center;gap:8px;color:var(--sub);font-weight:700;font-size:16px;z-index:5}
.st-bin[hidden]{display:none}
.st-bin .i{width:30px;height:30px}
.st-bin.over{background:var(--ng);border-color:var(--ng);color:#fff}
.st-stock{position:absolute;left:14px;top:14px;width:min(420px,calc(100% - 28px));max-height:calc(100% - 100px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px #0003;padding:12px;z-index:9}
.st-stock[hidden]{display:none}
.st-stock .hdrow{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.st-stock .row{display:flex;gap:10px;align-items:center;padding:6px 0;border-top:1px solid var(--line)}
.st-stock .row svg{width:52px;height:44px;flex:none;color:#6b5a48}
.st-stock .row span{flex:1;font-size:16px}
.st-stock .row small{display:block;color:var(--sub);font-size:14px}

/* 図の中 */
.st-svg .floor{fill:var(--floor)}
.st-svg .grid{stroke:#ebe3d6;stroke-width:1;vector-effect:non-scaling-stroke}
.st-svg .wall{fill:none;stroke:var(--wall);stroke-width:8;stroke-linejoin:miter}
.st-svg .gap{fill:var(--floor)}
.st-svg .win{fill:#fff;stroke:#5b84c9;stroke-width:1.6;vector-effect:non-scaling-stroke}
.st-svg .door{fill:none;stroke:#5b84c9;stroke-width:1.6;vector-effect:non-scaling-stroke}
.st-svg .dzone{fill:#5b84c9;fill-opacity:.06}
.st-svg .outlet{fill:#fff;stroke:var(--wall);stroke-width:1.4;vector-effect:non-scaling-stroke}
.st-svg .op-hit{fill:transparent;cursor:grab}
.st-svg .op.sel .win,.st-svg .op.sel .door,.st-svg .op.sel .outlet{stroke:var(--ai);stroke-width:4}
.st-svg .it{cursor:grab}
.st-svg .it .body{fill:#efe6da;stroke:#8a7663;stroke-width:1.3;vector-effect:non-scaling-stroke}
.st-svg .it.c1 .body{fill:#e2eaf3}.st-svg .it.c2 .body{fill:#efe2cf}.st-svg .it.c3 .body{fill:#e1ece1}.st-svg .it.c4 .body{fill:#f2e1db}.st-svg .it.c5 .body{fill:#e8e2f0}.st-svg .it.c6 .body{fill:#f1ebd4}.st-svg .it.c7 .body{fill:#dfebee}
.st-svg .it .art{color:#7d6a57}
.st-svg .it.up .body{stroke-dasharray:6 4;fill-opacity:.75}
.st-svg .it.flat .body{fill-opacity:.5;stroke-dasharray:2 3}
.st-svg .it.buy .body{stroke:#3b7d4f;stroke-dasharray:8 4;stroke-width:2}
.st-svg .it.ng .body{stroke:var(--ng);stroke-width:2.6}
.st-svg .it.sel .body{stroke:var(--ai);stroke-width:3.4;filter:drop-shadow(0 2px 4px #4651c955)}
.st-svg .lbl{font-weight:700;fill:var(--ink);text-anchor:middle;dominant-baseline:central;pointer-events:none;paint-order:stroke;stroke:#ffffffd9;stroke-width:3px;stroke-linejoin:round}
.st-svg .lbl2{font-weight:500;fill:var(--sub)}
.st-svg .dim{stroke:var(--ai);stroke-width:1.6;vector-effect:non-scaling-stroke;marker-start:none}
.st-svg .dimt{fill:var(--ai);font-weight:700;text-anchor:middle;dominant-baseline:central;paint-order:stroke;stroke:#fff;stroke-width:5px;stroke-linejoin:round}
.st-svg .rdimt{fill:#6c727c;text-anchor:middle;dominant-baseline:central;font-weight:600}
.st-svg .roth{cursor:grab}.st-svg .roth circle.k{fill:#fff;stroke:var(--ai);stroke-width:2.4;vector-effect:non-scaling-stroke}.st-svg .roth line{stroke:var(--ai);stroke-width:1.6;vector-effect:non-scaling-stroke}
.st-svg .roth path{fill:none;stroke:var(--ai);stroke-width:2;vector-effect:non-scaling-stroke;stroke-linecap:round}
.st-svg .ghost .body{fill:var(--ai-t);stroke:var(--ai);stroke-dasharray:6 4}
.st-svg .move{fill:#4651c9;fill-opacity:.13}.st-svg .dead{fill:#e8743b;fill-opacity:.3}.st-svg .cut{fill:#555;fill-opacity:.25}
.st-svg .bgimg{pointer-events:none}

/* ダイアログ */
.st-dlg{position:fixed;inset:0;z-index:80;background:#0007;display:grid;place-items:center;padding:12px}
.st-dlg .box{background:#fff;color:var(--ink);border-radius:18px;max-width:640px;width:100%;max-height:92vh;overflow:auto;padding:20px 22px;box-shadow:0 12px 40px #0004;display:grid;gap:10px}
.st-dlg h2{font-size:20px;margin:0}
.st-dlg .steps{display:grid;gap:10px;margin:0;padding:0;list-style:none}
.st-dlg .steps li{display:grid;grid-template-columns:48px 1fr;gap:12px;align-items:center;font-size:16px}
.st-dlg .steps .n{width:48px;height:48px;border-radius:12px;background:var(--ai-t);color:var(--ai);display:grid;place-items:center;font-weight:700;font-size:20px}
.st-dlg .setgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:8px}
.st-dlg .btns{display:flex;flex-wrap:wrap;gap:8px}
.st-dlg .btns.col{display:grid}
.st-dlg .iss{list-style:none;padding:0;margin:0;display:grid;gap:6px}
.st-dlg .iss button{width:100%;white-space:normal;text-align:left;justify-content:flex-start;font-weight:600;background:#fdeeee;border-color:#f3c5c2;color:#7a1c1c}
.st-dlg .iss .warn button{background:#fff6e2;border-color:#f0d9a6;color:#6b4300}

/* スマホ・小さい画面：図を全面に。家具は下から出るシート、選んだ家具の操作は右端の縦の帯 */
@media (max-width:900px),(orientation:landscape) and (max-height:520px){
  .st{grid-template-columns:minmax(0,1fr);grid-template-rows:52px minmax(0,1fr)}
  .st-top{gap:4px;padding:0 4px}
  .st-top button{min-height:44px;padding:4px 8px;font-size:14px}
  .st-top .grp button span{display:none}
  .st-top .ttl{font-size:15px;max-width:22vw}
  .st-cat{position:fixed;left:0;right:0;bottom:0;top:auto;z-index:30;height:min(62vh,520px);border:0;border-radius:18px 18px 0 0;box-shadow:0 -10px 30px #0003;transform:translateY(105%);transition:transform .2s}
  .st-cat.open{transform:none}
  .st-catclose{display:inline-flex!important;min-height:44px!important}
  .st-tabs{display:flex;overflow-x:auto}
  .st-tabs button{flex:none;padding:4px 12px}
  .st-grid{grid-template-columns:repeat(auto-fill,minmax(110px,1fr))}
  .st-cat .ft{display:flex}.st-cat .ft button{font-size:14px}
  .st-fab{display:inline-flex!important;position:absolute;left:12px;bottom:70px;min-height:64px!important;font-size:18px!important;padding:8px 20px!important;border-radius:32px!important;box-shadow:0 6px 18px #4651c966;z-index:5}
  .st-float{right:8px;top:8px;left:auto!important;flex-direction:column;width:76px}
  .st-float button{min-height:56px;font-size:12px;padding:4px 2px}
  .st-more{left:8px!important;right:92px;top:8px!important;width:auto}
  .st-zoom{right:92px;bottom:70px}
  .st-zoom .pct{display:none}
  .st-bin{width:180px;height:72px}
  .st-info{min-height:52px;padding:4px 10px;gap:4px 12px;font-size:15px}
  .st-info input{width:72px}
  .st-info .dist{display:none}
}
@media (orientation:landscape) and (max-height:520px){
  .st-cat{left:0;right:auto;top:52px;bottom:0;width:min(400px,55vw);height:auto;border-radius:0 18px 18px 0;transform:translateX(-105%)}
  .st-cat.open{transform:none}
  .st-info{display:none}
  .st-fab{bottom:12px}
  .st-zoom{bottom:12px}
  .st-toast{bottom:14px}
  .st-bin{bottom:14px}
}
@media print{.st{position:static;display:block}.st-top,.st-cat,.st-zoom,.st-info,.st-float,.st-fab,.st-toast,.st-tip{display:none!important}.st-main{height:90vh}}
/* 小さい画面の上の帯：絵の下に小さな字（略さない） */
@media (max-width:900px),(orientation:landscape) and (max-height:520px){
  .st-top>button,.st-top .grp button,.st-menu>button{flex-direction:column;gap:0;min-width:52px;padding:2px 6px;font-size:11px;line-height:1.1}
  .st-top .grp button span{display:inline}
  .st-top .ttl{display:none}
  .st-tip{left:10px;right:10px;transform:none;width:auto}
}
.st .row2{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.st-more{overflow-x:hidden}
.st-more .pr,.st-more>button{width:100%;white-space:normal;text-align:left;justify-content:flex-start}

/* 右上の間取り */
.st-mini{position:absolute;top:10px;right:10px;width:clamp(160px,18vw,240px);background:#fffffff2;border:1px solid var(--line);border-radius:14px;padding:6px 8px 8px;box-shadow:0 4px 14px #0002;z-index:4}
.st-mini[hidden]{display:none}
.st-mini b{display:block;font-size:13px;color:var(--sub);margin-bottom:2px}
.st-mini svg{display:block;width:100%;height:auto;max-height:170px}
.st-mini .mr{cursor:pointer}.st-mini .mr polygon{fill:#f1f2f5;stroke:#9aa0aa;stroke-width:2;vector-effect:non-scaling-stroke}
.st-mini .mr:hover polygon,.st-mini .mr:focus-visible polygon{fill:var(--ai-t);stroke:var(--ai)}
.st-mini .mr.cur polygon{fill:var(--ai);stroke:var(--ai)}.st-mini .mr.cur text{fill:#fff}
.st-mini text{text-anchor:middle;dominant-baseline:middle;fill:var(--ink);font-weight:700;pointer-events:none}
@media (max-width:900px),(orientation:landscape) and (max-height:520px){.st-mini{top:auto;bottom:12px;right:auto;left:50%;transform:translateX(-50%);width:150px}.st-float:not([hidden])~.st-mini{display:none}}
.st .st-grid,.st-dlg .setgrid{grid-auto-rows:max-content}.st .st-card{min-height:max-content}