.live>iframe
{
    width: 100%;
    aspect-ratio: 16/9;
}

.junbi-chu
{
    background: #242424;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    gap: 20px;
    padding: 5%;
}
.junbi-chu img
{
    height: 70px;
}