.footer_btn{
  background-color: #000000;
  width: 100%;
  height: 100px;
  position: fixed;
  bottom: 0;
  padding: 1px 0 33px;
  z-index: 50;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
}

.footer_btn_k{
  background-color: #000000;
  width: 100%;
  height: 100px;
  position: fixed;
  bottom: 0;
  padding: 7px 0 30px;
  z-index: 50;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  visibility: hidden;
}

.cta-btn {
  bottom: 8%;
  width: 95%;
}

.FV_top{
  margin-top:60px;
}
@media screen and (max-width: 640px) {
  .footer_btn{
    height: 75px;
    padding: 4px 0 10px;
  }
}

@media screen and (max-width: 640px) {
  .footer_btn_k{
    height: 75px;
    padding: 7px 0 3px;
  }
}

@media screen and (max-width: 640px) {
  .FV_top{
    margin-top:40px;
  }
}

video{
  max-width: 600px;
  width: 100%;
  height: auto;
}
@media screen and (max-width: 640px) {
  video{
    width: 100%;
  }
}

.footer_btn img{
  max-width: 600px;
  width: 90%;
  margin: 0 auto;
}


.footer_btn_k img{
  max-width: 600px;
  width: 90%;
  margin: 0 auto;
}

.active{
  opacity: 1;
  visibility: visible;
}

.yureru-s {
  animation: yureru-s 2s infinite;
}
@keyframes yureru-s {
  0% {
      transform: translate(2px, 0px);
  }
  5% {
      transform: translate(-2px, 0px);
  }
  10% {
      transform: translate(2px, 0px);
  }
  15% {
      transform: translate(-2px, 0px);
  }
  20% {
      transform: translate(2px, 0px);
  }
  25% {
      transform: translate(-2px, 0px);
  }
  30% {
      transform: translate(0px, 0px);
  }
}

.shadow{
  box-shadow: 5px 5px 0 0 rgba(0,0,0,0.3);
}