html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#f2f2f2;font-family:-apple-system,BlinkMacSystemFont,Helvetica Neue,Hiragino Sans,Yu Gothic UI,sans-serif;color:#333;-webkit-text-size-adjust:100%}#app{display:block;width:100vw;height:100vh;touch-action:none}#hint{position:fixed;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translate(-50%);padding:8px 14px;background:#ffffffd9;border-radius:999px;font-size:13px;color:#555;pointer-events:none;-webkit-user-select:none;user-select:none;box-shadow:0 1px 4px #00000014}