@charset "utf-8";
/* CSS Document */
.main_img {
  display: none;
}
.main_img img {
  width: 100%;
}

.main_video {
  width: 100%;
}
.main_video>video {
  display: block;
  width: 100%;
}

@media screen and (max-width :768px){
	 .sec_top .area_main .box_img .main_img {
    display: block;
  }
	.main_video {
    display: none;
  } }