body {
    background-color: #333;
    color: #eee;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 800px;
    height: 400px;
    border: 2px solid #ffffff00;
    background-color: #ffffff;
    overflow: hidden;
}

#player {
    position: absolute;
    bottom: 0;
    left: 50px;
    /* 立っている棒人間の画像とサイズを大きく設定 */
    background-image: url('standing.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    width: 80px;
    height: 120px;
    transition: left 0.1s linear;
}

#player.dogeza {
    /* 土下座時の画像とサイズを調整 */
    background-image: url('dogeza.png');
    width: 80px;
    height: 120px;
}

.obstacle {
    position: absolute;
    bottom: 0;
    width: 45px;
    background-color: #f00;
}

#message {
    margin-top: 20px;
    font-size: 1.5em;
    text-align: center;
}