#pc-bg {
  position: fixed;
  width: 100vw;
  height: 100vh;
  background-image: url("/wp-content/themes/favtown/assets/images/09_lp/hatachinotsudoi2024/common/pc_bg.png");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  display: flex;
  align-items: center;
}

@media screen and (max-width: 500px) {
  #pc-bg {
    display: none;
  }
}