#i55 {
  background-image:url(../image/service/bg01.jpg);
}
#i55 img, #i55 video {
  object-fit:scale-down;height:480px;
}
@media screen and (max-width:640px) {
  #i55 img, #i55 video {
    object-fit:scale-down;height:320px;
  }
}
#i55 > div {
  text-align:center;
}
#i62 > div {
  text-align:center;
}