@charset "UTF-8";

.mainv-inner {

}
.mainv-inner .bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 18, 22, 0);
  transition: background-color .5s;
  z-index: 56;
}
.mainv-inner .bg.is-active {
  background-color: rgba(0, 18, 22, .8);
}