body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #333;
    margin: 0;
    font-family: 'Press Start 2P', cursive; /* ゲームウォッチ風フォントを想定 */
    overflow: hidden;
}

#game-container {
    width: 600px;
    height: 400px;
    background-color: #eee;
    border: 5px solid #555;
    position: relative;
    overflow: hidden;
}

#score {
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 20px;
    color: #333;
}

.manhole {
    position: absolute;
    bottom: 0;
    width: 150px;
    height: 50px;
    background-color: #666;
    border-radius: 25px 25px 0 0;
}

#manhole-left {
    left: 50px;
}

#manhole-right {
    right: 50px;
}

.character {
    position: absolute;
    width: 40px;
    height: 60px;
    background-color: blue;
    bottom: 50px; /* マンホールの上に立たせる */
    left: 280px; /* 初期位置 */
}

.droplet {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: aqua;
    border-radius: 50%;
    top: 0;
}