.main_footer {
  background-size: cover;
  background-position: center;
  background-image: url("../../img/ww991002/footer_ww991002.jpg");
}

.color img {
  width: 38%;
}

@media (max-width: 768px){
  .main_footer {
    background-size: cover;
    background-position: 50% 0%;
    background-image: url("../../img/ww991002/footer_ww991002_sp.jpg");
  }
  .color img {
    width: 70%;
}

}