/*research専用*/
@media screen and (min-width:869px) {

.research {
/*	background-color: #000;*/
	background-image: url("../img/research_bg.webp");
	background-position: center top 50% !important;
	color: #FFF;
	z-index: -200;
}
body {position:relative;}
.research_bg .layer_top {
    position: fixed;
    top: 20%;
    left: 0;
	width: 100%;
    z-index: -100;
}
.research .layer {
	position: absolute;
	bottom: -8px;
	left: 69%;
	width: 760px;
	/* height: 500px; */
	z-index: -30;
}
.research_bg .layer img {
	z-index: -199;
}

/*ページコンテンツ*/
.introduction01, .introduction02 {
	margin: 0;
}
.introduction01 .point-img, .introduction02 .point-img {
	width: 50%;
}
.introduction02 .point-img {
	order: 2;
}
.introduction01 .point-img img, .introduction02 .point-img img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	max-height: calc(100vh - 100px);
	vertical-align: bottom;
}
.introduction01 .point-right, .introduction02 .point-right {
	margin: 0;
	width: 50%;
	background: rgba(0, 0, 0, 0.2);
}
.introduction02 .point-right {
	order: 1;
}
.introduction01 .point-item, .introduction02 .point-item {
	margin: 20% auto 4%;
	max-width: 570px;
	padding: 0 30px;
	box-sizing: border-box;
}
.point-txt {
	display: inline-block;
	line-height: 2.2;
}
.char {
	color: #999;
	/*opacity: 0.2;*/
}

.introduction01 h3, .introduction02 h3{
	margin-bottom: 35px;
	font-size: 25px;
}

/* 製薬研究所説明 */
.explanation_box {
	margin: auto;
	max-width: 1000px;
	width: 100%;
	padding: 0 0 240px;
	position: relative;
	z-index: 0;
}
.explanation_box:before {
	content: "";
    position: absolute;
    z-index: -1;
    bottom: 0;
	right: 0;
	height: calc(100% - 45px);
	width: 200%;
	background: rgba(0, 0, 0, 0.2);
	box-sizing: border-box;
}
.explanation_box .df {
	display: -webkit-flex;
    display: -moz-flex;
    display: -ms-flex;
    display: -o-flex;
    display: flex;
	justify-content: flex-start;
}
.explanation_box .explanation-txt {
	width: 410px;
	margin: 137px 0 0 20px;
}
.explanation_box .explanation-txt h3{
	margin-bottom: 20px;
	font-size: 25px;
}
.explanation_box .explanation-img {
	position: absolute;
	top: 6px;
	right: -145px;
	width: 570px;
}
.explanation_box .explanation-img .explanation-img1 {
	width: 44.4%;
	margin-left: 22.8%;
	text-align: center;
	font-size: 15px;
}
.explanation_box .explanation-img .explanation-img2 {
	margin: 50px 0 0 auto;
	width: 44.4%;
	text-align: center;
	font-size: 15px;
}
.explanation_box .explanation-img .explanation-img3 {
	width: 44.4%;
	margin: -53px 0 0 0;
	text-align: center;
	font-size: 15px;
}
.explanation-img1 img, .explanation-img2 img, .explanation-img3 img{
	width: 100%;
	height: 100%;
}




	
	
}