#page-game-black .board-container{aspect-ratio:1;width:100%;max-width:560px;margin:0 auto}#page-game-black .board-grid{border-radius:12px;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);width:100%;height:100%;display:grid;overflow:hidden;box-shadow:0 8px 24px #00000026}#page-game-black .cell-wrapper,#page-game-black .cell-inner{width:100%;height:100%}#page-game-black .othello-cell{cursor:default;background-color:#dcc39e;border:1px solid #0003;justify-content:center;align-items:center;width:100%;height:100%;display:flex;position:relative}#page-game-black .othello-cell.is-valid{cursor:pointer}#page-game-black .othello-cell__hint{z-index:1;pointer-events:none;background-color:#fff6;border-radius:50%;outline:2px dashed #ffffffb3;width:28%;height:28%}#page-game-black .othello-disc{z-index:2;border-radius:50%;width:80%;height:80%;box-shadow:inset 0 2px 6px #0006}#page-game-black .othello-disc.othello-disc--black{background-color:#111}#page-game-black .othello-disc.othello-disc--white{background-color:#f3f3f3}#page-game-black .othello-disc.is-last{outline:3px solid #fc0}