.banner {
	background-color: transparent;
	background-image: none;
	background-repeat: repeat;
	background-attachment: scroll;
	background-position: 0% 0%;
	display: none;/* 最初は非表示にする */
	position: fixed;/* 表示位置を固定 */
	bottom: 0px;
	left: 0px;
	padding-top: 1px;
	padding-right: 1px;
	padding-bottom: 1px;
	padding-left: 1px;
	box-sizing: border-box;
	border-width: medium;
	border-style: none;
	border-color: white;
	border-color: 0;
	width: 100vw;
}