.mobile-game-only-notice{display:none}
@media(max-width:900px){
  body>*:not(.mobile-game-only-notice){display:none!important}
  .mobile-game-only-notice{position:fixed;inset:0;z-index:2147483647;display:grid;place-items:center;padding:24px;background:#142b25;color:#f8f0d8;text-align:center;font-family:'Exo 2',Arial,sans-serif}
  .mobile-game-only-notice>div{width:min(100%,360px);padding:28px;border:1px solid #b5c797;border-radius:16px;background:#254238}
  .mobile-game-only-notice strong{display:block;font-size:24px;line-height:1.2;color:#ffe083}
  .mobile-game-only-notice p{margin:14px 0 22px;font-size:15px;line-height:1.5}
  .mobile-game-only-notice a{display:inline-block;padding:10px 16px;border-radius:8px;background:#e7c55e;color:#243b2b;font-size:14px;font-weight:900;text-decoration:none}
}