:root{font-family:"Yu Gothic UI","Hiragino Kaku Gothic ProN",system-ui,sans-serif;color:#1b2c3c;background:#f2f6f8}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{border:1px solid #aebfc8;border-radius:7px;background:#fff;color:#26404c;padding:9px 12px;cursor:pointer;font-weight:700}button:disabled{opacity:.45;cursor:default}.top{background:#142b3e;color:#fff;border-bottom:4px solid #d45c48}.top-inner{max-width:1700px;margin:auto;padding:15px 20px;display:flex;gap:14px;align-items:center}.logo{padding:7px 10px;background:#d45c48;border-radius:6px;font-size:18px;font-weight:800}.top h1{font-size:22px;margin:0}.top p{font-size:12px;margin:3px 0 0;color:#c2d0d9}.layout{max-width:1700px;margin:auto;padding:16px;display:grid;grid-template-columns:340px minmax(0,1fr);gap:16px;align-items:start}.sidebar{display:grid;gap:14px}.panel{background:#fff;border:1px solid #d7e1e6;border-radius:10px;padding:16px;box-shadow:0 1px 4px #19324b0a}.panel h2{font-size:16px;margin:0 0 13px}.file-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed #a6bac4;border-radius:9px;min-height:92px;padding:12px;text-align:center;cursor:pointer}.file-zone input{display:none}.file-zone strong{overflow-wrap:anywhere}.file-zone small{font-size:11px;color:#627783;margin-top:5px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin:13px 0}.form-grid label{font-size:12px;color:#536a79}.form-grid input,.form-grid select{width:100%;display:block;padding:7px;border:1px solid #b9c9d0;border-radius:6px;background:#fff;color:#182b38;margin-top:3px}details{font-size:12px;color:#536a79;margin:10px 0}summary{cursor:pointer}.primary{background:#176a58;border-color:#176a58;color:#fff;width:100%}#status{font-size:12px;color:#536a79;margin:10px 0 0;min-height:17px}.stats{margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.stats>div{background:#eef3f5;padding:9px;border-radius:6px;min-width:0}.stats dt{font-size:10px;color:#627783}.stats dd{font-size:15px;font-weight:700;margin:3px 0 0;overflow-wrap:anywhere}.download{display:flex;gap:8px;margin-top:14px}.download button{flex:1}.hint{font-size:11px;line-height:1.6;color:#637683}.warning{font-size:12px;color:#734214;background:#fff3e3;border:1px solid #e7b580;border-radius:6px;padding:10px;margin-top:10px}.role-buttons{display:grid;grid-template-columns:repeat(2,1fr);gap:7px}.role-buttons button.active{background:#e8f2ef;border-color:#237b65}.check{display:block;font-size:12px;color:#536a79;margin-top:12px}.viewer{min-height:700px}.viewer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}.viewer-head h2{margin:0 0 10px}.legend{font-size:11px;color:#5d717d}.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 4px 0 8px}.legend .boundary{background:#d83c34}.legend .text{background:#1b82c4}.legend .frame{background:#8a9ba2}.canvas-wrap{position:relative;max-width:1100px;margin:auto;background:#f8fafb;border:1px solid #dce6e9;min-height:600px;text-align:center}#empty{color:#7d909a;padding:70px 15px}#preview{display:none;width:100%;height:auto}#overlay{position:absolute;inset:0;width:100%;height:100%;display:none;cursor:crosshair}#selection{font-size:12px;min-height:30px;overflow-wrap:anywhere}@media(max-width:950px){.layout{grid-template-columns:1fr}.sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.sidebar .panel:first-child{grid-row:span 2}}@media(max-width:650px){.layout{padding:10px;gap:10px}.sidebar{grid-template-columns:1fr}.sidebar .panel:first-child{grid-row:auto}.viewer{min-height:400px}.canvas-wrap{min-height:350px}}
.measure{width:100%;margin-top:10px}.measure.active{background:#dcecef;border-color:#237b95}.download{flex-wrap:wrap}.download button{min-width:72px}