.contents {
	width:500px;
	margin:0 auto;
	text-align:center;
}

body{ background-image: url(/special/moving/img_w/header_bg.gif); background-repeat: repeat-x; }

@media screen and (max-width: 900px) {
	*, *::after, *::before {
	    box-sizing: inherit;
	}

	body{ background-image: none !important }

	.contents {
		width:100%;
		height:auto;
		text-align:center;
		margin: 0 auto 40px;
	}

	.header, .keyaki {
		width:100%;
		height:auto;
	}

	table {
		width:98% !important;
		margin:0 auto;
	}

	table.header_table {
		width:100% !important;
		margin:0 auto;
	}


}