@charset "UTF-8";

/* --------高校数学副副教材(kou/math2022/subtext/index.html)用----------- */
.movie-intro {
	margin: 100px auto 0;
	max-width: 1300px;
	background: #effbff;
}

.movie-intro  h2.ttl {
	background: #fff;
	max-width: 600px; 
	margin: 0 auto 20px;
    padding: 0;
}

.movie-intro .ttl p {   
	font-size: 24px;
	font-weight: bold;
	text-align: center;
	padding: 0.7em 0.5em;
}

.movie-intro h2.ttl:before {
    display:none;	
}

.movie-intro .ttl p:after {
	position: absolute;
	content: " ";
	display: inline-block;
	width: 0;
	height: 0;
	border-style: solid;
	border-width: 12px 6.5px 0 6.5px;
	border-color: #fff transparent transparent transparent;
	bottom: -12px;
	left: 0;
	right: 0;
	margin: 0 auto;
}


/* --------高校数学副副教材(kou/math2022/subtext/)用----------- */

.a-invalid{
	pointer-events: none;
}

.fg_intro .container .item1 .container .boxwidth100{
    max-width: inherit;
  }
  
  .fg_intro .container .item1 .container .item .icon .u-fs11{
    font-size: 11px;
  }


/* -------以下は高校数学教科書・指導書（kou/math2022/text/）用---------- */
.sec-kyouju-intro .point li:nth-child(3) {
	margin-bottom: 10px;
}
.sec-kyouju-intro .point li:nth-child(4):before {
	content: "point4";
 } 
 .sec-kyouju-intro .point li:nth-child(4) {
	margin: 0;
}
 .sec-kyouju-intro .point li:nth-child(4) img {
	position:relative; top:-5px;	
 }
.intro_logo{
    margin:0 0 0 10px;
}
.intro_logo04{
	max-width: 86%;
}
.sec-kyouju-intro .sec-line-up .line-up .box .inn {
	max-width: 813px;
}
.sec-kyouju-intro .sec-line-up .line-up .box .manual_box {
	width: 20%;
}
.sec-line-up .line-up .box dl {
	padding-right: 30px;
	margin-right: 30px;
}
.sec-line-up .line-up .box dl:nth-child(4) {
	margin-right: 15px;
}
.sec-line-up .line-up .box dl:nth-child(5) {
    border-right: none;
	margin-right: 0;
	padding: 0;
}
.sec-line-up .line-up .box dl:nth-child(6) {
	display: none;
}
.sec-kyouju-intro .sec-line-up .line-up .box:nth-child(1){
	width: 860px;
}
.sec-kyouju-intro .sec-line-up .line-up .box:nth-child(2),
.sec-kyouju-intro .sec-line-up .line-up .box:nth-child(3){
	width:140px;
}
.wrap_scroll_table table.info tr td ul li:nth-child(5) img{
	padding-left: 5px;
}

 @media screen and (max-width:750px) {
	.sec-kyouju-intro .point li:nth-child(4) img {
		position:relative; top:0px;	
	 }	
	 .intro_logo {
		max-width: 55%;
	 }
	 .intro_logo04 {
		max-width: 80%;
		padding-bottom: 2px;
	 }
	 .sec-kyouju-intro .sec-line-up .line-up .box:nth-child(1){
		width: auto;
	}
	.sec-line-up .line-up .box dl {
		padding: 10px 0;
		margin-right: 0px;
		width: 50%;
	}
	.sec-line-up .line-up .box dl:nth-child(3), .sec-line-up .line-up .box dl:nth-child(4) {
		border-bottom: dotted 2px #d8d7d5;
		padding: 10px 0;
		margin-right: 0px;
	}
	.sec-line-up .line-up .box dl:nth-child(4) {
		border-right: none;
	}
	.sec-line-up .line-up .box dl:nth-child(5) {
		padding: 10px 0;
		border-right: dotted 2px #d8d7d5;
		border-bottom: none;
	}
	.sec-line-up .line-up .box dl:nth-child(6) {
		display: block;
		border-bottom: none;
	}

	.sec-kyouju-intro .sec-line-up .line-up .box:nth-child(2),
    .sec-kyouju-intro .sec-line-up .line-up .box:nth-child(3){
	 width: auto;
    }

}