.frame-wrapper__video {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
  overflow: hidden;
  margin-bottom: 50px;
}

.frame-wrapper__video iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
/*改行制御*/
br.pc {
    display: inline;
}
br.sp {
    display: none;
}
@media only screen and (max-width: 640px) {
br.pc {
    display: none;
}
br.sp {
    display: inline;
}
}