.pagetop {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 50px;
  height: 50px;

  cursor: pointer;       /
pointer-events: auto;
  background-image: url(https://www.legrand-beppu.com/image/common/page-top.png);
  background-size: cover;
  border-radius: 10px;

  z-index: 10000;         
}

.pagetop.is-show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
@media (max-width: 1000px) {
.pagetop {

  bottom: 50px;

}
}