#introduction {
    background-color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
}
#introduction p {
    color: #000;
    font-size: 20px;
}
.cover {
    display: flex;
    max-width: 1200px;
    margin-top: 5px;
    padding-top: 10px;
    border-top: #000 solid 2px;
}
img {
    max-width: 500px;
}
h3 {
    font-size: 50px;
}
iframe {
    margin: 30px 0;
    border-radius: 10px;
    aspect-ratio: 500 / 315;
}
h4 {
    font-size: 40px;
    font-family: var(--FontIII);
    font-weight: 500;
    border-bottom: #000 solid 2px;
    margin-bottom: 10px;
}
.info p {
    margin: 5px;
}
@media screen and (max-width: 1024px) {
    img {
        max-width: 320px;
    }
    .cover {
        display: flex;
        flex-direction: column-reverse;
        align-items: center;
    }
    iframe {
        max-width: 90%;
        height: auto;
    }
    .names {
        margin: 20px 20px 40px 20px;
    }
}