/*-------------
   数学一覧の〜章〜と復習テストのタイトル
---------------*/


h3.practice_grade_shoutitle {
	text-align: center;
	margin:40px 30px 0 30px;
	color: #fff;
	font-size: 120%;
	background-color: #999;
	line-height:1.5;
}



p.math-fktest {
	text-align: center;
}






 /*-------------
   分数、縦２行用カッコ
---------------*/


.fraction {
	display: inline-block;
	text-align: center;
	vertical-align: middle;
	color:black;
	margin-right:2px;
	


}
.fraction > .sep {
	background-color: black;
	display: block;
	width: 100%;
	height: 1px;
	margin:-2px 12px 0 0;
}


span.kakko_height{
	display: inline-block;
	vertical-align: middle;
	color:black;
	font-size:25px;
	margin-right:0px;

}


span.kakko_height2{
	display: inline-block;
	vertical-align: middle;
	color:#333;
	font-size:30px;
	margin-right:0px;

}


span.kakko_height3{
	display: inline-block;
	vertical-align: middle;
	color:#333;
	font-size:40px;
	margin-right:0px;

}




 /*-------------
   孤の記号、上表記
---------------*/


.fraction-ko {
	display: inline-block;
	text-align: center;
	vertical-align: middle;
	color:black;
	margin-right:2px;



}
.fraction-ko > .sep-ko {
	background-color: black;
	display: block;
	width: 100%;
	height: 0px;
	margin:-14px 12px 0 0;
}




 /*-------------
   打ち消し線
---------------*/


span.uchikeshi {
	position: relative;
	text-decoration: none;
	color: black;
	margin-right: 2px;
}



span.uchikeshi:after {
	content: "";
	width:100%;
	height: 2px;
	display: block;
	position: absolute;
	top: 0.2em;
	left: 0;
	overflow: hidden;
	background-color: #000;
	border: 1px solid #fff;
}

span.uchikeshi:after {
	-o-transform:rotate(-14deg);
	-webkit-transform:rotate(-35deg);
	-moz-transform:rotate(-35deg);
}



 /*-------------
   連立の縦２行の式
---------------*/


.fraction-rnrt {
	display: inline-block;
	text-align: center;
	vertical-align: middle;
	color:black;
	margin-right:2px;
}

.fraction-rnrt > .sep {
	background-color: black;
	display: block;
	width: 100%;
	height: 0px;
	margin:-2px 12px 0 0;
}


.fraction-rnrt > .sep2 {
	background-color: black;
	display: block;
	width: 100%;
	height: 1px;
	margin:-2px 12px 0 0;
}



.leftspace-rnrt {
	margin-left: 26px;
	color: black;
}

.fraction-rnrt2 {
	display: inline-block;
	text-align: left;
	vertical-align: middle;
	color:black;
	margin-right:2px;
}

.fraction-rnrt2 > .sep3 {
	background-color: black;
	display: block;
	width: 100%;
	height: 0px;
	margin: -2px 12px 0 0;
}




 /*-------------
   テーブル
---------------*/

table.math-hyou {
	width: 90%;
	table-layout: fixed;
	font-size: 98%;
}

table.math-hyou th {
	text-align: center;
	width: 15%; }



table.math-hyou-base th {
	text-align: center;
	 }

table.dosubunpu th {
	text-align: center;
	 }

table.dosubunpu td {
	 border-width: 0px 1px; /* 枠の幅 */

}



 /*-------------
   テキスト
---------------*/



span.under-line {
	text-decoration:underline;
	color: black;
}


span.under-line-rnrt {
	text-decoration:underline;
	color: black;
}




  /*　数学用文字　斜め */

span.math-font {

	color: black;
	font-size: 115%;
	font-style : oblique;
	margin-right: 4px;
}



p.practice_answer_center{
	clear:both;
}




  /*　画などの配置やスペース */


div.math-img{
	margin-right: 0px;
	padding-left: 15px;
	float:right;
	padding-bottom: 20px
}



div.hyou-leftspace {
	margin-left: 30px;
}



p.math-bunmon-underspace{
	padding-bottom: 70px;
}





span.answer-color {
	color: #fff;
	background-color: #888;
	padding: 1px;
}



 /*-------------
   画像が重なったときの余白作り
---------------*/

p.math-bunmon-topspace{
	padding-top: 15px;
	clear: both;
}

p.clear-both{
	clear:both;
	width: 100%; /* for IE6,7 */
}

p.clear-and-space{
	clear:both;
	padding-bottom: 70px;
	width: 100%; /* for IE6,7 */
}


 /*-------------
   平方根作り
---------------*/

span.line-top {
	border-top: 2px solid #444;
	color: #333;
}


img.root1   {
	height: 1em;}



img.root2   {
	margin-bottom: -0.9em;
	margin-right:-0.2em;}