#contentsAd {
	position: relative;
	margin-top: 30px;
	background: #f1f1f1;
	padding: 20px;
	text-align: center;
}
#contentsAd p#contentsAdMark {
	position: absolute;
	top: 20px;
	left: 20px;
	color: #9f272d;
	background-color: #fff;
	border-radius: 12px;
	padding: 5px 16px;
	font-size: 12px;
}
#contentsAd div {
	display: inline-block;
}
.top-contents.contentsAd > div {
	margin: 20px 20px 0;
}
.contentsAd > div:first-child {
	float: left;
}
.contentsAd > div:last-child {
	float: right;
}
.article-contents.contentsAd > div:first-child {
	margin: 20px 20px 40px 7px;
}
.article-contents.contentsAd > div:last-child {
	margin: 20px 7px 40px 20px;
}
.contentsAd:after {
	content: "";
	clear: both;
	display: block;
}