.aim {
	position:relative;
	overflow:hidden;
	margin:0;
	clear:both;
	padding:0;
}
.aim a {
	background-position:center center;
	cursor:pointer;
	display:block;
	overflow:hidden;
	position:relative;
	float:left;
	text-decoration:none;
}
.aim a:hover, .aim a:visited {
	text-decoration:none;
}
.aim ul {
	list-style:none;
}
.aim li {
	display:block;
	overflow:hidden;
	float:left;
	height:250px;/* 追加 */
}
.aim a span {/* キャプション */
	color:#FFFFFF;
	bottom:10px;
	left:10px;
	width:100%;
	display:block;
	padding:2px 5px 5px;
	position:absolute;
	background:#000;
	font-size:12px;
	font-weight:bold;
	height:15px;
	line-height:18px;
}