@charset "UTF-8";

/* ▼▼▼ 研究開発
=====================================*/
/* 共通
-------------------------------------*/
#title_area{
	background: url(../img/research/title_bg.jpg) no-repeat center/cover;
}

#main{
	padding-bottom: 0!important;
}
p.read{
	margin-bottom: 40px;
}

section:last-of-type{
	margin-bottom: 0;
}

/* タブ
------------------------------------- */
#tab_wrap{
	margin-top: -78px;
	}
	#tab_wrap input[type="radio"]{
		display:none;
		}
	.tab_area{
		display: -webkit-box;
		display: -webkit-flex;
		display: -ms-flexbox;
		display: flex;
		-webkit-box-pack: justify;
		-webkit-justify-content: space-between;
		-ms-flex-pack: justify;
		justify-content: space-between;
		max-width: 1030px;
		width: 100%;
		margin: 0 auto;
		padding: 0 15px;
		text-align: center;
		position: relative;
	}
	.tab_area li{
		background:#0068B7;
		border-radius: 4px 4px 0 0;
		width: 24%;
		height: 70px;
		line-height: 70px;
		color: #fff;
		font-size:22px;
		text-align:center;
		cursor:pointer;
		font-weight: bold;
	}
	.tab_area label{
		display: block;
		text-align: center;
		cursor: pointer;
	}

.inner_area{
	background: #F2F2F2;
	padding: 80px 0 100px;
	position: relative;
}
	.inner_area img{
		width: 100%;
	}
	.tab_inner{
		display:none;
	}
	.tab_inner h2{
		font-size: 26px;
		margin-bottom: 20px;
	}
	.tab_inner h2 span{
		color: #0068B7;
	}

#tab1:checked ~ .tab_area .tab1_label,
#tab2:checked ~ .tab_area .tab2_label,
#tab3:checked ~ .tab_area .tab3_label,
#tab4:checked ~ .tab_area .tab4_label{
	box-shadow:none;
	background:#F2F2F2;
	color:#000;
	font-weight: bold;
}
#tab1:checked ~ .inner_area #inner1,
#tab2:checked ~ .inner_area #inner2,
#tab3:checked ~ .inner_area #inner3,
#tab4:checked ~ .inner_area #inner4{display:block;}

.illust_area{
	background: #fff;
	margin-top: 50px;
	overflow: hidden;
}

/* 水処理 */
#inner1 .facility{
	display: -webkit-box;
	display: -webkit-flex;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: justify;
	-webkit-justify-content: space-between;
	-ms-flex-pack: justify;
	justify-content: space-between;
	-ms-flex-wrap: wrap;
	flex-wrap: wrap;
	padding: 20px 30px 30px;
	font-size: 22px;
}
	#inner1 .facility li{
		border: 5px solid #31B1FF;
		border-radius: 20px;
		padding: 35px 0 25px;
		width: 32%;
		position: relative;
	}

	#inner1 .facility li:last-child{
		padding: 30px 20px 15px;
		margin-top: 30px;
		width: 100%;
	}
	#inner1 .facility li p{
		text-align: center;
	}
	#inner1 .facility .icon{
		display: table;
		background: #31B1FF;
		border-radius: 25px;
		min-width: 110px;
		padding: 0 20px;
		color: #fff;
		font-size: 18px;
		font-weight: bold;
		position: absolute;
		transform: translate(-50%,-50%);
		-webkit-transform: translate(-50%,-50%);
		top: 0;
		left: 50%;
	}
	#inner1 .facility li:last-child dt{
		float: left;
		clear: both;
		padding: 20px 0;
		width: 30%;
		color: #1A57A0;
		font-weight: bold;
		text-align: center;
	}
	#inner1 .facility li:last-child dd{
		padding-left: 30%;
	}
	#inner1 .facility li:last-child dd:first-of-type{
		border-bottom: 1px solid #ccc;
		padding-bottom: 10px;
		margin-bottom: 10px;
	}

	#inner1 .facility li:nth-child(2){
		border-color: #1FC92F;
	}
	#inner1 .facility li:nth-child(2) .icon{
		background: #1FC92F;
	}
	#inner1 .facility li:nth-child(3){
		border-color: #FF7F1F;
	}
	#inner1 .facility li:nth-child(3) .icon{
		background: #FF7F1F;
	}
	#inner1 .facility li:nth-child(4){
		border-color: #1A57A0;
	}
	#inner1 .facility li:nth-child(4) .icon{
		background: #1A57A0;
	}

/* 共通 */
.tab_inner .txt_area{
	background: #E2F2FF;
	border-radius: 10px;
	padding: 30px 20px;
	margin: 20px 28px 30px;
}
	.tab_inner .txt_area h3{
		margin-bottom: 10px;
		color: #0068B7;
		font-size: 26px;
		text-align: center;
	}
	.tab_inner .txt_area dl{
		display: table;
	}
	.tab_inner .txt_area dl:not(:last-of-type){
		margin-bottom: 20px;
	}
	.tab_inner .txt_area dl dt,
	.tab_inner .txt_area dl dd{
		display: table-cell;
		vertical-align: middle;
	}
	.tab_inner .txt_area dl dt{
		background: #0068B7;
		width: 128px;
		color: #fff;
		font-size: 20px;
		font-weight: bold;
		text-align: center;
		position: relative;
	}
	.tab_inner .txt_area dl dt:after{
		content: "";
		width: 0;
		height: 0;
		border-style: solid;
		border-width: 10px 0 10px 10px;
		border-color: transparent transparent transparent #0068B7;
		position: absolute;
		top: 40px;
		right: -9px;
	}

	.tab_inner .txt_area dl dd{
		background: #fff;
		padding: 20px 20px 20px 30px;
		font-size: 18px;
	}

/* 石油精製・石油化学 */
.tab_inner .txt_area{
	padding: 15px 20px 30px;
}

/* 環境製品 */
#inner4.tab_inner .txt_area dl dt{
	min-width: 190px;
}
.tab_inner .txt_area dl dt span{
	display: block;
	font-size: 40px;
	text-align: center;
	line-height: 1;
}
#inner4.tab_inner .txt_area dl dd{
	text-align: center;
	width: 100%;
}

/* ▼▼▼ 768px
=====================================*/
@media screen and (max-width: 768px) {
/* 共通
-------------------------------------*/
#main{
	font-size: 16px;
}
p.read{
	margin-bottom: 20px;
}

/* タブ
------------------------------------- */
#tab_wrap{
	margin-top: 0;
	}
	.tab_area{
		padding: 0 10px;
	}
	.tab_area li{
		display: table;
		width: 24.5%;
		height: 50px;
		line-height: 1.6;
		font-size:14px;
	}
	.tab_area label{
		display: table-cell;
		vertical-align: middle;
	}
	.inner_area{
		padding: 40px 0 50px;
	}
		.tab_inner h2{
			font-size: 20px;
			margin-bottom: 10px;
		}

.illust_area{
	margin-top: 30px;
}

.more_desc{
	margin-top: 40px;
}
	.more_desc li{
		-ms-flex-wrap: wrap;
		flex-wrap: wrap;
	}
	.more_desc li:not(:last-child){
		margin-bottom: 30px;
	}
	.more_desc li figure{
		max-width: 100%;
		flex-shrink: 0;
		margin: 0 0 10px;
	}
	.more_desc li figcaption{
		margin-top: 5px;
		font-size: 12px;
	}

/* 水処理 */
#inner1 .facility{
	padding: 20px;
	font-size: 18px;
}
	#inner1 .facility li{
		padding: 20px 0 15px;
		margin-bottom: 20px;
		width: 100%;
		position: relative;
	}

	#inner1 .facility li:last-child{
		padding: 30px 20px 15px;
		margin: 0;
		width: 100%;
	}
	#inner1 .facility .icon{
		font-size: 16px;
	}
	#inner1 .facility li:last-child dt{
		float: none;
		padding: 0 0 10px;
		width: 100%;
	}
	#inner1 .facility li:last-child dd{
		padding-left: 0;
	}
	#inner1 .facility li:last-child dd:first-of-type{
		border-bottom: 1px solid #ccc;
		padding-bottom: 10px;
		margin-bottom: 10px;
	}

/* 紙パルプ */
.tab_inner .txt_area{
	padding: 20px;
	margin: 10px 3vw 20px;
}
	.tab_inner .txt_area h3{
		margin-bottom: 10px;
		font-size: 18px;
	}
	.tab_inner .txt_area dl{
		display: block;
	}
	.tab_inner .txt_area dl:not(:last-of-type){
		margin-bottom: 20px;
	}
	.tab_inner .txt_area dl dt,
	.tab_inner .txt_area dl dd{
		display: block;
	}
	.tab_inner .txt_area dl dt{
		width: 100%;
		padding: 10px;
		font-size: 16px;
	}
	.tab_inner .txt_area dl dt:after{
		border-width: 10px 10px 0 10px;
		border-color: #0068B7 transparent transparent transparent;
		top: auto;
		right: auto;
		bottom: -9px;
		left: 50%;
		transform: translate(-50%,-0%);
		-webkit-transform: translate(-50%,-0%);
	}
	.tab_inner .txt_area dl dd{
		background: #fff;
		padding: 20px;
		font-size: 16px;
	}

/* 石油精製・石油化学 */
.tab_inner .txt_area{
	padding: 10px 3vw 20px;
}

/* 環境製品 */
#inner4.tab_inner .txt_area dl dt{
	min-width: 190px;
}
.tab_inner .txt_area dl dt span{
	font-size: 24px;
}
}