@charset "utf-8";
.function_img_box {
  height: 250px;
}
.function_img {
  z-index: 999999;
  position: relative;
  display: inline-block;
  margin-top: -4rem;
  margin-right: -3rem; 
}
@media (max-width: 640px) {
  .function_img_box {
    height: none;
  }
  .function_img {
    display: inline-block;
    margin-top: 0;
    margin-right: 0; 
  }
}