.sec__youtube{
  position: relative;
  width: 100%;
  min-width: 980px;
}
.sec__youtube-imagebg {
  position: relative;
  width: 100%;
  min-width: 980px;
  overflow: hidden;
  background-image: url("../../images/lp/campaing202404-bg.png");
  background-repeat: repeat-x;
  background-size: auto 100%;
}

.sec__youtube-video-bg {
  position: relative;
  width: 100%;
  min-width: 980px;
  background: #000;
  overflow: hidden;
}
.sec__youtube-video-bg::before{
  content: "";
  display: block;
  padding-top: 56.25%;
}

.sec__youtube-video-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  display: block;
  width: 100%;
  height: 100%;
}

.sec__youtube-video-bg iframe {
  display: block;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 60vw;
  min-width: 980px;
  min-height: 550px;
}


.sec__underyoutube{
  width: 980px;
  margin: 0 auto;
}
.sec__underyoutube > ul{
  display: flex;
  flex-wrap: wrap;
}

.floating_position{
  position: relative;
}

.js-floating{
  position: absolute;
  right: 12px;
  bottom: 10px;
  width: 64px;
  display: block;
}
.js-floating img{
  width: 100%;
  height: auto;
}


.js-floating.active{
  position: fixed;
  width: 150px;
  bottom: 120px;
  right: 100px;
}