*{box-sizing:border-box}body{margin:0;background:#f6f5ef;color:#253c38;font-family:'Hiragino Kaku Gothic ProN','Yu Gothic',sans-serif}button{font:inherit;cursor:pointer;border:1px solid #d9dfd6;background:#fffef9;color:#354b43;border-radius:10px;min-height:44px;padding:9px 16px;font-weight:700}button:hover{background:#e9efdf}button.active{background:#28594c;color:white;border-color:#28594c}button:disabled{opacity:.4;cursor:default}header{display:flex;align-items:center;justify-content:space-between;padding:22px 5%;border-bottom:1px solid #e0e2d8;background:#fffdf6;gap:16px}.brand{text-decoration:none;color:#264c40;font-weight:900;font-size:24px;letter-spacing:1px}.brand span{color:#ee8856}.brand small{display:block;font-size:9px;letter-spacing:3px;margin:5px 0 0 30px}nav{display:flex;gap:6px;background:#eeeee5;padding:5px;border-radius:14px}nav button{border:0;background:none}main{max-width:1320px;margin:auto;padding:30px 32px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.eyebrow{font-size:12px;letter-spacing:2px;color:#6e8277}h1{font-size:32px;margin:9px 0;font-weight:850;letter-spacing:1px}h1 em{font-style:normal;color:#de784e}.intro p{font-size:13px;line-height:1.9;color:#78847a}#levels{display:flex;gap:9px;margin:0 0 20px;align-items:center}#levels:before{content:'ミッション';font-size:12px;font-weight:bold;margin-right:12px}#levels button{width:44px;padding:6px}.workshop{display:flex;background:#fffdf8;border:1px solid #dbe0d4;border-radius:20px;overflow:hidden;box-shadow:0 8px 30px #2d483807}aside{width:176px;flex-shrink:0;padding:22px 15px;background:#f0f1e8;border-right:1px solid #dbe0d4}aside h2{font-size:15px;margin:0}aside p{font-size:11px;color:#7c897d}#parts{display:grid;gap:10px}#parts button{text-align:left;padding:8px 10px;font-size:13px;touch-action:none}#parts b{display:inline-flex;width:36px;height:30px;align-items:center;justify-content:center;color:#d57d4d;font-size:25px;margin-right:5px}.tip{font-size:12px;line-height:1.9;margin-top:25px;color:#53705d}.tip span{color:#829080}.board{min-width:0;flex:1}.mission{display:flex;align-items:center;justify-content:space-between;padding:18px 25px;border-bottom:1px solid #e5e6dd}.mission small{font-size:10px;color:#91a190;letter-spacing:2px}.mission h2{font-size:18px;margin:5px 0 0}#badge{font-size:11px;background:#eef0e4;padding:8px 12px;border-radius:20px}.canvaswrap{position:relative;background:#fffef9}canvas{display:block;width:100%;touch-action:none;background-image:radial-gradient(#d7dfd3 1px,transparent 1px);background-size:24px 24px}.editing,footer{display:flex;align-items:center;gap:8px;padding:12px 20px;border-top:1px solid #e5e6dd}.editing{justify-content:space-between;font-size:11px;color:#7a8b7b}.editing button{font-size:12px;padding:7px 12px}.primary{background:#28594c;color:white;padding:12px 28px}.spacer{flex:1}footer button{font-size:13px}.bottom{display:flex;justify-content:space-between;font-size:11px;color:#829080;margin-top:18px}#notice{min-height:24px;color:#567361;text-align:center;font-size:13px}#success{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:#fffef4f5;box-shadow:0 10px 70px #244c3830;border:1px solid #e6d7a9;border-radius:24px;padding:28px;text-align:center;min-width:290px}#success span{font-size:42px;color:#eba347}#success p{font-size:13px}dialog{max-width:540px;border:0;border-radius:20px;padding:30px;line-height:1.9}dialog::backdrop{background:#183a3866}dialog p{font-size:14px}@media(max-width:800px){header{padding:14px;flex-wrap:wrap}.brand{font-size:20px}main{padding:18px 10px}.intro p{display:none}h1{font-size:24px}aside{width:122px;padding:15px 8px}#parts button{font-size:11px;padding:6px}#parts b{width:20px;font-size:19px}.tip{display:none}.mission{padding:12px}.mission h2{font-size:14px}.editing{padding:6px;flex-wrap:wrap}footer{padding:8px;flex-wrap:wrap;gap:4px}footer button{padding:9px;font-size:12px}.bottom{font-size:9px}#levels{gap:4px}#levels:before{display:none}#levels button{min-width:28px;width:9%;min-height:40px}.spacer{display:none}}
main{max-width:1140px;padding-top:20px}.intro{margin-bottom:15px}header{padding-top:15px;padding-bottom:15px}.mission{padding-top:12px;padding-bottom:12px}#parts button[hidden]{display:none}button:focus-visible{outline:3px solid #df9a55;outline-offset:2px}
