body {
    margin: 0;
    background-color: #000;
    color: white;
    font-family: 'Noto Sans JP', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    text-align: center;
}

.datetime {
    font-size: 6vw; /* 巨大な日時表示 */
    font-weight: bold;
    margin-bottom: 2vh;
}

.moon-info {
    font-size: 3vw;
    margin-bottom: 4vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.moon-icon {
    height: 2em;
    width: 2em;
    margin-right: 0.5em;
    flex-shrink: 0;
}