/* 動画埋め込み比率調整 */

.movie {
    position:relative;
    width:100%;
    height:0;
    padding-top:56.25%;
    margin-bottom: 10px;
    margin-top: 20px;
}
.movie iframe{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:100%;
}