:root{--cell-border:#333;--piece-size:min(10vw, calc(414px / 9))}.game-container{flex-direction:column;justify-content:center;align-items:center;gap:10px;width:90%;max-width:650px;margin:0 auto 10px;display:flex;position:relative}.game-container.movable-false .piece,.game-container.movable-false .hand-piece{cursor:default}.game-container img{margin:0px;}.main-column{touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;flex-direction:column;gap:2px;width:100%;max-width:450px;display:flex}.hand-label{border:1px solid #0000;border-radius:2px;margin:0;padding:1px 8px;font-weight:700;transition:background-color .2s,border-color .2s;display:inline-block}.hand-label.active-turn{background-color:#fff9c4;border-color:#fbc02d}.board-container{box-sizing:border-box;background-image:url(../img/wood-board2.webp);background-position:50%;background-size:cover;border:1px solid #600000;border-radius:5px;width:100%;padding:4% 5% 1% 1%;position:relative}.board-wrapper{background:0 0;border:1px solid #333;width:100%;position:relative}.grid{grid-template-columns:repeat(9,1fr);width:100%;height:100%;display:grid}.cell{box-sizing:border-box;border:none;position:relative;box-shadow:inset 0 0 0 .5px #000000e6}.stars-layer{pointer-events:none;z-index:5;width:100%;height:100%;position:absolute;top:0;left:0}.star{background-color:#222;border-radius:50%;width:4px;height:4px;position:absolute;transform:translate(-50%,-50%)}.last-move{background-color:#ff8c0066!important}.coord-file{flex-direction:row-reverse;width:94%;display:flex;position:absolute;top:0%;left:1%}.coord-file span{text-align:center;color:#5d3e1a;width:11.11%;font-size:min(3vw,12px);line-height:1.4;font-weight:700}.coord-rank{flex-direction:column;width:4%;height:94%;display:flex;position:absolute;top:5%;right:.5%}.coord-rank span{color:#5d3e1a;justify-content:center;align-items:center;font-size:min(3vw,12px);line-height:1.4;font-weight:700;display:flex}.hand-wrapper{flex-direction:column;gap:2px;width:100%;display:flex}.piece{z-index:10;user-select:none;box-sizing:border-box;cursor:default;justify-content:center;align-items:center;width:11.11%;display:flex;position:absolute}.piece img{object-fit:contain;filter:drop-shadow(2px 2px #0009);width:90%;height:90%;transform:translate(-1px,-1px)}.piece.selected{z-index:50;background:#ffeb3b99;border-radius:4px;outline:2px solid #fbc02d}.hand-area{width:100%;min-height:calc(var(--piece-size) * 1.2);box-sizing:border-box;background-image:url(../img/wood-board2.webp);background-position:50%;background-size:cover;border:1px solid #600000;border-radius:5px;flex-wrap:wrap;align-items:center;gap:4px 8px;padding:0 6px;display:flex}.hand-piece-wrapper{width:var(--piece-size);height:calc(var(--piece-size) * 1.1);cursor:default;max-width:45px;max-height:50px;position:relative}.piece.movable-turn,.hand-piece-wrapper.movable-turn{cursor:pointer}.hand-piece{object-fit:contain;filter:drop-shadow(2px 2px #0009);border-radius:3px;width:85%;height:85%;transform:translate(1px,1px)}.hand-piece.active{background:#ffeb3bcc;box-shadow:0 0 8px orange}.piece-count{color:#fff;text-align:center;z-index:20;background:#333;border:1px solid #fff;border-radius:50%;min-width:12px;height:12px;padding:1px;font-size:9px;font-weight:400;line-height:12px;position:absolute;bottom:0;right:-6px;box-shadow:0 1px 2px #00000080}.nav-buttons{justify-content:space-between;gap:8px;width:100%;display:flex}.nav-buttons button{flex:1;padding:6px 2px;font-size:11px;line-height:12px}button{cursor:pointer;color:#fff;background:#600000;border:none;border-radius:4px;padding:12px;font-weight:700}button:hover{background:#933333}.side-panel{flex-direction:column;gap:10px;width:100%;max-width:100%;display:flex}.kifu-container{background:#f0f0f0;border:1px solid #ccc;border-radius:4px;max-height:300px;padding:2px 10px;overflow-y:auto}.kifu-list{margin:0;font-size:12px;padding:0!important;list-style:none!important}.kifu-list li{cursor:pointer;border-radius:3px;padding:1px 8px}.kifu-list li:hover{background:#e0e0e0}.kifu-list li.current-kifu{background:#b3e5fc;font-weight:700}.hint{z-index:20;pointer-events:none;border:1px solid #fff;border-radius:50%;width:35%;height:35%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.hint.hint-legal{background:#00c80099}.hint.hint-illegal{background:#f009}.modal{z-index:1000;text-align:center;background:#fff;border:3px solid #333;border-radius:8px;width:80%;max-width:240px;padding:20px;display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.modal button{margin:0 3px}@media screen and (min-width:768px){:root{--piece-size:calc(414px / 9)}.game-container{flex-direction:row;align-items:flex-start;gap:20px;width:100%}.main-column{gap:4px}.board-container{border:2px solid #600000;padding:5% 6% 2% 2%}.cell{border:.5px solid var(--cell-border);box-shadow:none}.star{width:7px;height:7px}.coord-file span,.coord-rank span{font-size:14px}.coord-file{width:92%;top:1%;left:2%}.coord-rank{width:5%;height:93%;top:5%;right:1%}.hand-area{border:2px solid #600000;gap:4px 12px}.hand-label{border-radius:4px;padding:2px 10px}.hand-piece{width:90%;height:90%}.piece-count{border:2px solid #fff;min-width:14px;height:14px;padding:2px;font-size:12px;font-weight:700;line-height:14px;bottom:0;right:-12px;box-shadow:0 2px 4px #00000080}.nav-buttons button{padding:10px 4px;font-size:13px;line-height:normal}.side-panel{width:100%;max-width:140px}.kifu-container{height:450px;max-height:none;padding:10px}.kifu-list{font-size:12px}.kifu-list li{padding:4px 2px}}.toggle-switch-wrapper{background:#fff;border:1px solid #ccc;border-radius:20px;align-items:center;gap:12px;width:fit-content;padding:6px 14px;display:flex;box-shadow:0 1px 3px #00000014}.toggle-label{color:#444;user-select:none;font-size:1.4rem;font-weight:700}.toggle-switch{cursor:pointer;width:42px;height:22px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{background-color:#ccc;border-radius:22px;transition:all .25s;position:absolute;inset:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:16px;height:16px;transition:all .25s;position:absolute;bottom:3px;left:3px;box-shadow:0 1px 3px #0003}.toggle-switch input:checked+.toggle-slider{background-color:#600000}.toggle-switch input:checked+.toggle-slider:before{transform:translate(20px)}