.about_width{
	background:#fff;
	width:950px;
	height:auto;
	overflow: auto;
	margin:0;
	padding:0 0 200px 0;
    background-size:cover;
}

/*タイトル*/
.page_title{
	width:950px;
	height:34px;
	background:#294F75;
	margin:0;
	padding:0;
}

.page_title .text{
	background:url(../img/st_exhibition/title.gif) no-repeat;
	width:105px;
	height:20px;
	margin:7px 0 0 10px;
	position:absolute;
	padding:0;
}

.page_title h1{
	display:none;
	font-size:0px;
	text-indent:-9999px;
}

/*各エリア*/
.topic_area{
	background:#E1E6EC;
	width:925px;
	margin:17px 0 0 12px;
	padding:0;
}

.topic_area .entryText{
	font-family:"ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	font-size:18px;
	font-weight:bold;
	color:#264D76;
	line-height:1.5em;
	padding:0;
	margin:5px 0 5px 5px;
}

.topic_area .entryText_c{
	font-family:"ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, Osaka, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
	font-size:12px;
	color:#444;
	line-height:1.5em;
}

.ex_btn1{
	width:300px;
	height:200px;
	margin:10px 0 0 12px;
	float:left;
}

.ex_btn1 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.ex_btn2{
	width:300px;
	height:200px;
	margin:10px 0 0 13px;
	float:left;
}


.ex_btn3{
	width:300px;
	height:200px;
	margin:10px 0 0 13px;
	float:left;
}




/*メインメニューここから*/

.mainMenu ul{
	list-style: none; 
	padding:0;
	margin:0;
}

.mainMenu li{
	padding: 0; 
	margin: 10px 0 0 0;
	float: left;
	font-size:0px;
	text-indent:-9999px;
}

.mainMenu1 a:link{
	background:url(../img/btn_menu1.png) no-repeat;
	width:230px;
	height:170px;
	display:block;
	margin:0 0 0 -40px;
	padding:0;
}

.mainMenu1 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.mainMenu2 a:link{
	background:url(../img/btn_menu2.png) no-repeat;
	width:230px;
	height:170px;
	margin: 0 0 0 10px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
}

.mainMenu2 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.mainMenu3 a:link{
	background:url(../img/btn_menu3.png) no-repeat;
	width:230px;
	height:170px;
	margin: 0 0 0 10px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
}

.mainMenu3 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.mainMenu4 a:link{
	background:url(../img/btn_menu4.png) no-repeat;
	width:230px;
	height:170px;
	margin: 0 0 0 10px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
}

.mainMenu4 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

/*メインメニューここまで*/


/*詳細メニューここから*/

.detailMenuTop ul{
	list-style: none; 
	padding:0;
	margin:0;
}

.detailMenuTop li{
	padding: 0; 
	margin: 0;
	float: left;
	font-size:0px;
	text-indent:-9999px;
}

.detailMenuTop1 a:link{
	background:url(../img/btn_detail1.gif) no-repeat;
	width:230px;
	height:60px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	margin:15px 0 0 -40px;
}

.detailMenuTop1 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.detailMenuTop2 a:link{
	background:url(../img/btn_detail2.gif) no-repeat;
	width:230px;
	height:60px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	margin:15px 0 0 10px;
}

.detailMenuTop2 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.detailMenuTop3 a:link{
	background:url(../img/btn_detail3.gif) no-repeat;
	width:230px;
	height:60px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	margin:15px 0 0 10px;
}

.detailMenuTop3 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.detailMenuTop4 a:link{
	background:url(../img/btn_detail4.gif) no-repeat;
	width:230px;
	height:60px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	margin:15px 0 0 10px;
}

.detailMenuTop4 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

/*詳細メニューここまで*/


/*在校生メニューここから*/


.btn_student1 a:link{
	background:url(../img/btn_student1.png) no-repeat;
	width:205px;
	height:116px;
	margin:20px 0 0 0;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	float:left;
}

.btn_student1 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.btn_student2 a:link{
	background:url(../img/btn_student2.png) no-repeat;
	width:205px;
	height:116px;
	margin:20px 0 0 12px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	float:left;
}

.btn_student2 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.btn_student3 a:link{
	background:url(../img/btn_student3.png) no-repeat;
	width:205px;
	height:116px;
	margin: 20px 0 0 12px;
	font-size:0px;
	text-indent:-9999px;
	display:block;
	float:left;
}

.btn_student3 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.btn_student_side{
	width:298px;
	height:116px;
	margin: 20px 0 0 12px;
	float:left;
}

.btn_student4 a:link{
	background:url(../img/st_exhibition/st_btn4.gif) no-repeat;
	width:298px;
	height:52px;
	margin: 0 0 0 0;
	font-size:0px;
	text-indent:-9999px;
	display:block;
}

.btn_student4 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}

.btn_student5 a:link{
	background:url(../img/st_exhibition/st_btn5.gif) no-repeat;
	width:298px;
	height:52px;
	margin: 10px 0 0 0;
	font-size:0px;
	text-indent:-9999px;
	display:block;
}

.btn_student5 a:hover{
	filter: alpha(opacity=50);
	-moz-opacity:0.50;
	opacity:0.50;
}