#what_content {
	width: 700px;
	background-image: url(bg_history.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	margin-right: auto;
	margin-left: auto;
	clear: both;
	text-align: left;
	background-color: #f4f3f8;
	border-top-width: 4px;
	border-right-width: 3px;
	border-bottom-width: 3px;
	border-left-width: 3px;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #99d1ff;
	border-right-color: #99d1ff;
	border-bottom-color: #99d1ff;
	border-left-color: #99d1ff;
}
#what_content2 {
	width: 700px;
	background-image: url(bg_minerals.gif);
	background-repeat: no-repeat;
	background-position: left top;
	margin-right: auto;
	margin-left: auto;
	clear: both;
	text-align: left;
	background-color: #f7f7f7;
	border-top-width: 4px;
	border-right-width: 3px;
	border-bottom-width: 3px;
	border-left-width: 3px;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #99d1ff;
	border-right-color: #99d1ff;
	border-bottom-color: #99d1ff;
	border-left-color: #99d1ff;
}
#mineraru_title {
	width: 300px;
	height: 42px;
	border-top-width: 2px;
	border-bottom-width: 2px;
	border-top-style: dotted;
	border-bottom-style: dotted;
	border-top-color: #428FC5;
	border-bottom-color: #428FC5;
	margin-left: 20px;
	padding-top: 8px;
}

#what_content3 {
	width: 700px;
	background-image: url(bg.jpg);
	background-repeat: no-repeat;
	background-position: left top;
	margin-right: auto;
	margin-left: auto;
	clear: both;
	text-align: left;
	background-color: #f4f3f8;
	border-top-width: 4px;
	border-right-width: 3px;
	border-bottom-width: 3px;
	border-left-width: 3px;
	border-top-style: solid;
	border-right-style: solid;
	border-bottom-style: solid;
	border-left-style: solid;
	border-top-color: #99d1ff;
	border-right-color: #99d1ff;
	border-bottom-color: #99d1ff;
	border-left-color: #99d1ff;
}
#what_navi a {
	font-size: 15px;
	text-decoration: none;
	display: block;
	height: 28px;
	width: 234px;
	background-color: #51a3ee;
	font-weight: bold;
	color: #0B3F90;
	float: left;
	border-top-width: 1px;
	border-right-width: 1px;
	border-left-width: 1px;
	border-top-style: solid;
	border-right-style: solid;
	border-left-style: solid;
	border-top-color: #FFFFFF;
	border-right-color: #FFFFFF;
	border-left-color: #FFFFFF;
	font-family: "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	padding-top: 8px;
}
#text_box1 {
	width: 330px;
	text-align: left;
	margin-top: 10px;
	float: left;
	padding-left: 25px;
}
#text_box3 {
	width: 400px;
	margin-left: 20px;
}

#suigen {
	width: 600px;
	clear: both;
	margin-right: auto;
	margin-left: auto;
	border: 2px solid #ff6EbE;
	padding: 10px;
}
#supa_rizort {
	width: 390px;
	float: left;
	height: 200px;
	margin-right: 15px;
	margin-left: 5px;
}

#text_box2 {
	width: 400px;
	float: right;
	margin-right: 15px;

}
#rekishi_img {
	padding-top: 52px;
	padding-left: 52px;
}


#what_navi {
	margin-right: auto;
	margin-left: auto;
	width: 708px;
}
#contre_map {
	margin-left: 20px;
}