.colorful{
    font-size: 23px;
    display: inline-block;
    margin-bottom: 10px;
}

body{
    background-image: url('./pattern2.png');
}

.contents{
    padding-top: 40px;
}

.preview{
    /* 上下に余白をつくる */
    padding-top: 10px;
    padding-bottom: 10px;

    width: 300px;
    height: 380px;

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

/* https://techacademy.jp/magazine/37686 */
.preview_text{
    /* height: 100%; */
    max-width: 300px;
    margin: 0 auto;

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

    writing-mode: vertical-rl;
    text-orientation: upright;
    text-align: left;

    font-family: 'YujiSyuku-tate', serif;
}