@charset "utf-8";
div.totop_toppage_button {
	position: fixed;
	bottom: 30px;
	right: 30px;
	visibility: hidden;
	z-index: 900;
}
a.totop_toppage_button_link {
	display:block;
	width: 50px;
	height: 50px;
	border-radius: 50%;
	background-color:#4dc6ff;
	background-image: url("images/arrow_up.png");
	background-size: 32px 32px;
	background-repeat: no-repeat;
	background-position: center center;
	opacity: 0.7;
	transition: all 0.3s;
}