html,body{overscroll-behavior:none;height:100%;margin:0;font-family:Hiragino Sans,sans-serif;overflow:hidden}#app canvas{touch-action:none;display:block}#guide,#panel{z-index:10;background:#fffdf7;border:1px solid #d8cdb8;border-radius:12px;max-width:420px;padding:16px 20px;position:fixed;left:50%;transform:translate(-50%)}#guide{text-align:center;top:20%}#panel{bottom:24px}#tour-toggle{z-index:10;color:#fff;background:#c96f4a;border:none;border-radius:999px;padding:10px 16px;font-size:15px;position:fixed;top:16px;right:16px}#panel-link{color:#c96f4a;margin:8px 0;font-weight:700;display:inline-block}.fallback{max-width:640px;height:auto;margin:40px auto;padding:0 16px;overflow:auto}body:has(.fallback){overflow:auto}