.bfn-ad {
	margin: 12px auto;
	text-align: center;
	max-width: 100%;
	overflow: hidden;
}
.bfn-ad:empty {
	display: none;
	margin: 0;
}
.bfn-ad--list_top,
.bfn-ad--novel_mid,
.bfn-ad--footer {
	max-width: 728px;
}
.bfn-ad--list_top .bfn-ad-unit {
	width: 100% !important;
	max-width: 728px;
	height: 90px;
}
.bfn-ad--home_mid,
.bfn-ad--home_mid .bfn-ad-unit {
	width: 100%;
	max-width: 100%;
	height: 90px;
}
.bfn-ad--sidebar {
	max-width: 300px;
}
.bfn-ad--reader_top,
.bfn-ad--reader_end {
	max-width: 728px;
	margin: 18px auto 8px;
}
.bfn-ad--reader_top .bfn-ad-unit,
.bfn-ad--reader_end .bfn-ad-unit {
	width: 100% !important;
	max-width: 728px;
	height: 90px;
}
.bfn-ad--reader_mid {
	max-width: 300px;
	margin: 22px auto;
}
.bfn-ad--reader_mid .bfn-ad-unit {
	width: 100% !important;
	max-width: 300px;
	height: 250px;
}
@media (max-width: 767px) {
	.bfn-ad--reader_top,
	.bfn-ad--reader_end {
		max-width: 320px;
	}
	.bfn-ad--reader_top .bfn-ad-unit,
	.bfn-ad--reader_end .bfn-ad-unit {
		max-width: 320px;
		height: 100px;
	}
	.bfn-ad--reader_mid .bfn-ad-unit {
		max-width: 100%;
	}
}
.bfn-ad-unit {
	display: flex;
	align-items: center;
	justify-content: center;
	max-width: 100%;
	margin: 0 auto;
	background: #ececec;
	border: 1px dashed #14425d;
	color: #14425d;
	font-size: 13px;
	font-weight: 700;
	letter-spacing: .02em;
	box-sizing: border-box;
}