.kv {
  overflow: hidden;
  position: relative;
  background-color: #000;
}
@media (min-width: 768px) {
  .kv {
    height: 47.96875vw;
  }
}
@media (min-width: 1280px) {
  .kv {
    height: 38.375rem;
  }
}
@media (max-width: 767.98px) {
  .kv {
    height: auto;
  }
}
.kv .kv_bg {
  position: relative;
  margin: 0 auto;
  max-width: 80rem;
  height: 100%;
}
.kv .kv_bg picture img {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
  object-fit: contain;
}
@media (max-width: 767.98px) {
  .kv .kv_bg picture img {
    position: static;
  }
}
.kv .kv_title {
  opacity: 0;
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
@media (min-width: 768px) {
  .kv .kv_title {
    width: 64.375vw;
  }
}
@media (min-width: 1280px) {
  .kv .kv_title {
    width: 51.5rem;
  }
}
@media (max-width: 767.98px) {
  .kv .kv_title {
    width: 96vw;
  }
}
.kv .kv_title img {
  width: 100%;
}