.pc{
			display : block !important;
		}
.sp{
			display : none !important;
		}
p#icon{
			position: fixed;
			bottom: 60px;
			right: 0px;
			z-index:200;
		}
		p#icon a {
			display: block;
			text-decoration: none;
		}
		p#icon:hover{
			opacity: 0.85 ;
		}

@media only screen and (max-width : 768px) {
		.pc{
			display : none !important;
		}
		.sp{
			display : block !important;
		}


		p#icon{
			position: fixed;
			bottom: 20px;
			right: 0px;
			z-index:101;
		}
		p#icon a {
			display: block;
			text-decoration: none;
		}
		p#icon:hover{
			opacity: 0.85 ;
		}
}


a#go_top_btn{
  position: fixed;
  left:50%;
  margin-left: -100px;
  bottom: 0px;
  width: 200px;
  height: 30px;
  line-height: 30px;
  background-color: #aabf00;
  border-radius: 100vh;
  opacity: 0.85;
  color: #fff;
  text-align: center;
}

a#go_top_btn:hover{
  opacity: 0.35;
  color:#ffffff;
}

@media only screen and (max-width : 768px) {
a#go_top_btn{
  position: fixed;
  left:50%;
  margin-left: -100px;
  bottom: 20px;
}
}