.page-contents .column .col02-list .col02 .videos {
    margin-top: 50px;
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
}


.page-contents .column .col02-list .col02 .videos iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}