@media (min-width: 320px) and (max-width: 767px) {
  .drawer {
    height: 100%;
    width: 100%;
    position: fixed;
    z-index: 1;
    top: 0;
    right: -100%;
    background-color: #fff;
    overflow-x: hidden;
    transition: 0.3s;
  }

  .bg_image--woosol {
    background-image: url(../IMG/bg002_mobile.jpg);
  }
}

@media all and (min-width: 768px) {
  .bg_image--woosol {
    background-image: url(../IMG/bg002.jpg);
  }

  .drawer {
    height: 100%;
    width: 40%;
    position: fixed;
    z-index: 1;
    top: 0;
    right: -40%;
    background-color: #fff;
    overflow-x: hidden;
    transition: 0.3s;
  }
}