.side-button{position:fixed;right:0;top:40%;transform:translateY(-40%);cursor:pointer;z-index:5}.side-button img{display:block;width:50px;height:50px;border-radius:25px}.hidden{display:none!important}.modal-overlay{position:fixed;inset:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .3s ease}.modal-content{height:600px;background-color:#fff;padding:20px;border-radius:10px;position:relative;animation:slideIn .3s ease;background-color:#f7e6f2}.close-btn{font-size:24px;cursor:pointer;color:#666}.close-btn:hover{color:#333}.game-header{width:100%;text-align:center;margin:5px 0 15px}.kaitext{font-weight:700;color:#b44c8d}.period{font-weight:700;color:#cd665d}.game-container{display:flex;flex-direction:column;align-items:center;gap:20px}.scratch-container{position:relative;width:300px;height:150px;background:#fff}canvas{position:absolute;top:0;left:0;border:1px solid #ccc;z-index:2}.prize-text{text-align:center;width:270px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:28px;color:red;z-index:1;pointer-events:none}#resetBtn,#closeModal{width:100%;padding:10px 20px;background-color:#c8ce5f;color:#fff;border:none;border-radius:5px;cursor:pointer;font-size:18px}#closeModal{background-color:#cd635a}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideIn{0%{transform:translateY(-20px);opacity:0}to{transform:translateY(0);opacity:1}}.kainum{display:inline-block;width:50px;height:50px;text-align:center;line-height:50px;border-radius:25px;background-color:#cd665d;color:#fff}