.contents .cont_video {
  position: relative;
  height: 0;
  padding: 30px 0 56.25%;
  overflow: hidden;
}
.contents .cont_video iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}



/*movie*/
#cont_movies {
	margin-left:-15px;
}
#cont_movies ul {
	margin:0;
	padding:0;
}
#cont_movies li {
	list-style-type:none;
	float:left;
	width:33.3%;
}
#cont_movies img {
	margin-bottom:3px
}
.cont_movies_box {
	margin-left:15px;
	padding-bottom:15px;
}
@media screen and (max-width:640px){
#cont_movies li {
	width:50%;
}
}