@media (min-width: 1024px) {
  .sp {
    display: none;
  }
  .contents > #all{/* override */
    max-width: inherit;
  }
  .container{
    width: 100%;
    max-width: 1024px;
    margin:0 auto;
  }
}
@media (max-width: 1023px) {
  .pc {
    display: none;
  }
}