@charset "utf-8";

/*//////////////////////////////////////////////////////////////////////////////

	研究のご紹介

//////////////////////////////////////////////////////////////////////////////*/


/*------------------------------------------------------------------------------

	共通

------------------------------------------------------------------------------*/

@media screen and (max-width: 1400px) {

main .site_column > section {
	padding: 70px 60px 50px;
}

}

@media screen and (max-width: 767px) {

main .site_column > section {
	padding: 10vw 6vw 8vw;
}

}

/*------------------------------------------------------------------------------

	研究概要・研究グループ

------------------------------------------------------------------------------*/

main #field .group {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
}

main #field .group .text {
	width: 40%;
}

main #field .field_list {
	position: relative;
	display: flex;
	width: 56%;
	margin: 0;
	justify-content: space-between;
	background-image: url("../../../common/img/field_bg.jpg");
	background-repeat: no-repeat;
	background-size: cover;
}

main #field .field_list::after {
	content: '';
	position: absolute;
	display: block;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background: linear-gradient(135deg, rgba(60,222,78,.8) 0%, rgba(12,112,111,.8) 40%);
	background-size: calc( 100% / 3 ) 100%;
	mix-blend-mode: multiply;
	z-index: 0;
}

main #field .field_list li {
	position: relative;
	width: calc( 100% / 3 );
	margin-bottom: 0;
	list-style: none;
}

main #field .field_list li:before,
main #field .field_list li:after {
	content: '';
	display: block;
	width: 2%;
	height: 100%;
	top: 0;
	position: absolute;
	background-color: #FFF;
	z-index: 1;
}

main #field .field_list li:before {
	left: 0;
}

main #field .field_list li:after {
	right: 0;
}

main #field .field_list li a {
	position: relative;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	height: 100%;
	padding: 2em;
	font-family: '游明朝', 'Noto Serif JP', serif;
	font-weight: 600;
	color: #FFF;
	z-index: 2;
	text-decoration: none;
}

main #field .field_list li a::after {
    content: "";
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    background-color: #FFF;
	visibility: hidden;
	opacity: 0;
	transition: opacity .4s;
}

main #field .field_list li a:hover::after {
	visibility: visible;
	opacity: .5;
	z-index: 999;
}

main #field .field_list li a span {
	writing-mode: vertical-rl;
	font-feature-settings: normal;
}

main #field .field_list li a span span {
	text-combine-upright: all;
}

main #field .field_list li a .name {
	display: inline-flex;
	align-items: center;
	justify-content: flex-end;
	font-size: 1.5em;
}

@media screen and (max-width: 900px) {

main #field .group .text {
	width: 100%;
}

main #field .field_list {
	width: 70%;
	margin: 2em auto;
}

}

@media screen and (max-width: 767px) {

main #field .field_list {
	position: relative;
	display: block;
	width: 100%;
}

main #field .field_list::after {
	content: '';
	position: absolute;
	display: block;
	width: 100%;
	height: 100%;
	top: 0;
	left: 0;
	background: linear-gradient(225deg, rgba(60,222,78,.8) 0%, rgba(12,112,111,.8) 40%);
	background-size: 100% calc( 100% / 3);
	background-repeat: repeat-y;
	mix-blend-mode: multiply;
	z-index: 0;
}

main #field .field_list li {
	position: relative;
	width: 100%;
	margin-left: 0;
}

main #field .field_list li:before,
main #field .field_list li:after {
	content: '';
	display: block;
	width: 100%;
	height: .5vw;
	left: 0;
	position: absolute;
	background-color: #FFF;
	z-index: 1;
}

main #field .field_list li:before {
	top: 0;
}

main #field .field_list li:after {
	bottom: 0;
}

main #field .field_list li a {
	position: relative;
	display: flex;
	flex-direction: row;
	justify-content: center;
	align-items: center;
	padding: 1.5em 1em;
	font-family: '游明朝', 'Noto Serif JP', serif;
	font-weight: 600;
	color: #FFF;
	z-index: 2;
	text-decoration: none;
}

main #field .field_list li a span {
	writing-mode: horizontal-tb;
}

main #field .field_list li a .name {
	display: flex;
	align-items: center;
	justify-content: flex-end;
	text-align: right;
	font-size: 1.25em;
}
}