/* =======================
   全体
======================= */

*{

    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

body{

    background: #222;

    overflow: hidden;

    display: flex;
    justify-content: center;
    align-items: center;

    width: 100vw;
    height: 100vh;

}

/* =======================
   ゲーム画面
======================= */

#gameCanvas{

    background: white;

    display: block;

    touch-action: none;

}

#nameInput{

    position:absolute;

    left:50%;
    top:50%;

    transform:translate(-50%,-50%);

    width:220px;

    height:45px;

    font-size:24px;

    text-align:center;

    border:3px solid black;

    border-radius:10px;

    outline:none;

    z-index:100;

}