:root{color-scheme:dark}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:#07140b;font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Noto Sans JP,Segoe UI,sans-serif;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;touch-action:none}#app{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(ellipse at 50% 0%,#14361f,#07140b 70%)}#game{display:block;flex:none;box-shadow:0 20px 60px #0009;border-radius:6px;cursor:pointer}#orientation-hint{position:fixed;left:50%;bottom:max(14px,env(safe-area-inset-bottom));transform:translate(-50%);z-index:2;width:min(calc(100vw - 28px),440px);padding:12px 16px;border-radius:12px;background:#000000b8;color:#ffe7a0;font-size:17px;font-weight:700;line-height:1.25;text-align:center;pointer-events:none;box-shadow:0 10px 28px #00000059}#orientation-hint[hidden]{display:none}