*{box-sizing:border-box;margin:0;padding:0}body{font-family:Meiryo,Hiragino Kaku Gothic Pro,sans-serif;background-color:#f0f0f0;color:#333;line-height:1.6;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:manipulation;overflow:hidden}.app-container{display:flex;flex-direction:column;width:100%;height:100vh;overflow:hidden}.game-header{display:flex;justify-content:space-between;align-items:center;background-color:#2d1b46;color:#fff;padding:10px 15px;box-shadow:0 2px 5px #0000001a}.profile-container{display:flex;align-items:center;cursor:pointer}.profile-image{width:40px;height:40px;border-radius:50%;overflow:hidden;margin-right:10px;border:2px solid white}.profile-image img{width:100%;height:100%;object-fit:cover}.profile-name{font-weight:700;max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.game-title{font-size:1.2rem;font-weight:700;letter-spacing:1px}.game-controls{display:flex;gap:10px}.control-button{background:none;border:none;color:#fff;font-size:1.2rem;cursor:pointer;padding:5px}.game-main{flex-grow:1;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;background-color:#1e1e1e;overflow:hidden}.game-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;padding:20px;width:100%;height:100%}.game-ui{display:flex;width:100%;height:100%;justify-content:center;position:relative;max-width:100%;overflow:hidden}.game-board-container{position:relative;height:100%;width:calc(100% - 100px);max-width:300px;border-left:1px solid #333;border-right:1px solid #333;overflow:hidden}#game-canvas{display:block;max-height:100%;max-width:100%;width:auto;height:auto}.game-sidebar{display:flex;flex-direction:column;padding:20px 10px;width:120px;min-width:120px;background-color:#0003}.sidebar-label{font-size:.9rem;color:#ddd;margin-bottom:5px;text-align:center}.next-puyo{margin-bottom:20px;text-align:center}#next-puyo-canvas{width:80px;height:80px}.score-display{text-align:center}#score-value{font-size:1.4rem;font-weight:700;color:#fff}#game-over-screen{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background-color:#1e1e1ef2;border-radius:12px;box-shadow:0 0 20px #00000080;width:90%;max-width:350px;height:auto;max-height:90vh;overflow-y:auto;z-index:1000;padding:20px;display:flex;flex-direction:column;justify-content:center;align-items:center}.game-button{background-color:#4a3b8a;color:#fff;border:none;border-radius:20px;padding:10px 25px;font-size:1rem;cursor:pointer;margin:10px 0;transition:background-color .3s}.game-button:hover,.game-button:active{background-color:#5e4da6}.game-button.primary{background-color:#6a5acd}.game-button.primary:hover,.game-button.primary:active{background-color:#8a7aea}.overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#000000b3;display:flex;justify-content:center;align-items:center;z-index:1000}.overlay-content{background-color:#fff;border-radius:8px;padding:20px;width:90%;max-width:400px;text-align:center}.overlay-content h2{margin-bottom:20px;color:#333}.button-group{display:flex;justify-content:center;gap:10px;margin-top:20px}input[type=text]{width:100%;padding:10px;border:1px solid #ddd;border-radius:4px;font-size:1rem;margin-top:10px}.ranking-list{margin:15px 0;width:100%}.rank-item{display:flex;justify-content:space-between;padding:8px 10px;border-bottom:1px solid #eee;text-align:left}.rank-item.highlight{background-color:#6a5acd1a;font-weight:700}.rank-position{width:30px}.rank-name{flex-grow:1;margin:0 10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rank-score{font-weight:700}.my-rank{margin-top:15px;border-top:2px solid #ddd;padding-top:8px}.game-over-ranking{width:100%;max-width:300px;margin:15px 0;max-height:40vh;overflow-y:auto}.ranking-list.small .rank-item,.my-rank.small .rank-item{font-size:.9rem;padding:5px 8px}.hidden{display:none!important}@media screen and (max-width: 480px){.game-ui{justify-content:center;overflow-x:auto;-webkit-overflow-scrolling:touch}.game-board-container{min-width:280px;width:auto}#game-over-screen{width:95%;padding:15px}.app-container{height:calc(100vh - 50px)}}.sidebar-controls{margin-top:auto;display:flex;flex-direction:column;gap:15px;padding-top:20px;align-items:center}.sidebar-control-button{width:40px;height:40px;border-radius:50%;background-color:#ffffff26;color:#fff;border:none;display:flex;justify-content:center;align-items:center;cursor:pointer;font-size:1.2rem;transition:background-color .2s,transform .1s}.sidebar-control-button:hover,.sidebar-control-button:active{background-color:#ffffff4d;transform:scale(1.05)}.game-sidebar{display:flex;flex-direction:column;padding:20px 10px;width:100px;min-width:100px;height:100%;background-color:#0003}