html,
body {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}
.img-wrapper {
  width: 100vw;
  height: 100vh;
  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    &.pc {
      display: block;

      @media (max-width: 500px) {
        display: none;
      }
    }

    &.mob {
      display: none;

      @media (max-width: 500px) {
        display: block;
      }
    }
  }
}