.key-visual {
  margin: 0;
  position: relative;
}

#key-visual__slider {
  bottom: 24px;
}

.key-visual__item {
  height: 450px;
  overflow: hidden;
  width: 100%;
}

.key-visual__item--short {
  height: 220px;
}

.key-visual__image,
.key-visual__image-sp {
  height: 100%;
  width: 100%;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  object-fit: cover;
}

.key-visual__image {
  display: none;
}

@media screen and (min-width: 768px) {
  .key-visual__item {
    height: 480px;
  }

  .key-visual__item--short {
    height: 320px;
  }

  .key-visual__image {
    display: block;
  }

  .key-visual__image-sp {
    display: none;
  }
}