@media screen and (max-width: 1439px) {
  .mv {
    margin-top: 85px;
  }
}
.reserve_bn_fix {
  top: 14%;
  bottom: unset;
}
@media screen and (max-width: 420px) {
  .reserve_bn {
    top: 8.9%;
  }
  .reserve_bn_fix {
    top: 11.9%;
  }
}
.reserve_bn {
  z-index: 99;
}