.sns-video {
  width: 100%;
  height: auto;
  margin-top: 70px;
  position: relative;
  z-index: 10;
}
@media screen and (min-width: 600px) {
  .sns-video {
    margin-top: 100px;
  }
}
@media screen and (min-width: 1025px) {
  .sns-video {
    margin-top: 140px;
  }
}