#holder {
    position: relative;
    background-color: FloralWhite;
    background-clip: content-box;
}

#toc {
    display: flex;
    width: 90%;
    align-items: center;
    flex-direction: column;


    font-family: "Noto Sans JP", sans-serif;
    font-optical-sizing: auto;
    font-size: 20px;
    font-weight: 400;
    font-style: normal;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

figure {
    width: 95vw;
}

img {
    width: 100%;
}

figcaption {
    font-size: 9vw;
}