@charset "UTF-8";

/*------------ common ------------*/

.br-480{
	display: none;
}

h2.common-h2{
	color: #1e2d5a;
	text-align: center;
}

h2.common-h2 span{
	display: block;
}

h2.common-h2 .tit{
	font-size: 2.6rem;
	font-weight: bold;
}

h2.common-h2 .sub-tit{
	font-size: 1.2rem;
	margin-top: 4px;
}

.idx-common-list{
	display: flex;
	margin-top: 42px;
	column-gap: 28px;
}

.idx-common-list>li a{
	font-size: 2.2rem;
	font-weight: bold;
	color: #fff;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: cover;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	border-radius: 10px;
	overflow: hidden;
}

.idx-common-list>li a.btn01{
	position: relative;
	display: flex;
	justify-content: center;
	align-items: center;
	text-align: center;
	padding: 10px 20px;
	height: 190px;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

.idx-common-list>li a.btn01::before{
	content: '';
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	background-color: rgba(30,45,90,0.6);
	-webkit-transition: .3s ease-in-out;
	-moz-transition: .3s ease-in-out;
	-o-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

.idx-common-list>li a.btn01 span{
	position: relative;
	z-index: 1;
	display: inline-block;
	padding: 12px 0;
}

.idx-common-list>li a.btn01 span::before{
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	content: '';
	width: 40px;
	height: 2px;
	background-color: #fff;
	-webkit-transition: .3s ease-in-out;
	-moz-transition: .3s ease-in-out;
	-o-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

.idx-common-list>li a.btn01:hover::before{
	background-color: rgba(55,78,172,0.6);
}

.idx-common-list>li a.btn01:hover span::before{
	width: 100%;
}

.idx-common-list>li a.btn02{
	display: block;
	padding-top: 169px;
}

.idx-common-list>li a.btn02 .txt-box {
	position: relative;
	display: block;
	padding: 10px 30px 10px 47px;
	-webkit-transition: .3s ease-in-out;
	-moz-transition: .3s ease-in-out;
	-o-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

.idx-common-list>li a.btn02 .txt-box span{
	position: relative;
	z-index: 1;
}

.idx-common-list>li a.btn02 .txt-box::before,
.idx-common-list>li a.btn02 .txt-box::after{
	content: '';
	position: absolute;
	top: 0;
	bottom: 0;
	right: 0;
	left: 0;
	margin: auto;
	width: 100%;
	-webkit-transition: .3s ease-in-out;
	-moz-transition: .3s ease-in-out;
	-o-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

.idx-common-list>li a.btn02 .txt-box::before{
	background: linear-gradient(to right, #1e2d5a 0, #1e2d5a 30%, #1e2d5a 30%, transparent 100%);
}

.idx-common-list>li a.btn02 .txt-box::after{
	left: -100%;
	background: linear-gradient(to right,#374eac 0,#374eac 30%,#374eac 30%,transparent 100%);
}

.idx-common-list>li a.btn02:hover .txt-box::after{
	left: 0;
}

/*------------ mv ------------*/

.mv{
	padding: 102px 0 104px;
	background: url("../img/mv_bg01.png") no-repeat center center/cover;
}

.mv h1{
	width: 614px;
	max-width: 100%;
	padding: 5px 50px 3px 28px;
	font-size: 3.4rem;
	line-height: 1.5;
	font-weight: bold;
	color: #fff;
	background: linear-gradient(to right,#a02328 0,#a02328 80%,#a02328 80%,transparent 100%);
}

.mv .big-tit{
	font-size: 4.8rem;
	font-weight: bold;
	color: #fff;
	line-height: 1.27;
	margin: 30px 0 40px;
}

.mv .mv-list>li{
	display: flex;
	align-items: flex-start;
	column-gap: 20px;
	color: #fff;
	font-weight: bold;
}

.mv .mv-list>li:not(:last-of-type){
	margin-bottom: 21px;
}

.mv .mv-list>li .tit,
.mv .mv-list>li .txt{
	font-size: 2.2rem;
}

.mv .mv-list>li .tit{
	flex: none;
	width: 136px;
	line-height: 1;
	padding: 7px 5px 5px;
	text-align: center;
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
	background-color: rgba(255,255,255,0.25);
	-webkit-border-radius: 3px;
	-moz-border-radius: 3px;
	border-radius: 3px;
}

.mv .mv-list>li .txt{
	line-height: 1.5;
	margin-top: 1px;
}

/*------------ news ------------*/

.news{
	padding: 78px 0;
	background-color: #e6e9f2;
}

.news .news-list{
	padding: 22px 56px;
	background-color: #fff;
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	border-radius: 10px;
	margin-top: 35px;
}

.news .news-list>li{
	display: flex;
	column-gap: 30px;
	padding: 13px 0;
}

.news .news-list>li.hide{
	display: none;
}

.news .news-list>li:not(:first-of-type){
	border-top: 1px solid #e6e9f2;
}

.news .news-list>li .date{
	flex: none;
	width: 107px;
	font-size: 1.4rem;
	color: #1e2d5a;
	padding-top: 1px;
}

.news .news-list>li .content{
	font-size: 1.6rem;
	line-height: 1.5;
}

.news .more-btn{
	display: none;
}

.news .more-btn>a{
	width: 111px;
	height: 36px;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 1.6rem;
	font-weight: bold;
	color: #fff;
	background-color: #a02328;
	-webkit-border-radius: 6px;
	-moz-border-radius: 6px;
	border-radius: 6px;
	margin: 31px 0 0 auto;
}

.news .more-btn>a:hover{
	opacity: 0.7;
}

/*------------ Guidance ------------*/

.guidance{
	margin-top: 70px;
	margin-bottom: 70px;
}

.guidance .idx-common-list>li{
	width: 50%;
}

.guidance .idx-common-list>li a.bg-img-greeting{
	background-image: url("../img/guidance_img01.png");
}

.guidance .idx-common-list>li a.bg-img-event{
	background-image: url("../img/guidance_img02.png");
}

/*------------ event-overview ------------*/

.event-overview{
	margin-bottom: 70px;
}

.event-overview .idx-common-list>li{
	width: calc(100% / 3);
}

.event-overview .idx-common-list>li a.bg-img-timetable{
	background-image: url("../img/event_overview_img01.png");
}

.event-overview .idx-common-list>li a.bg-img-program{
	background-image: url("../img/event_overview_img02.png");
}

.event-overview .idx-common-list>li a.bg-img-information-participants{
	background-image: url("../img/event_overview_img03.png");
}

/*------------ submission-registration ------------*/

.abstract{
	margin-bottom: 77px;
}

.abstract .idx-common-list>li a.bg-img-registration{
	background-image: url("../img/abstract_img01.png");
}

.abstract .idx-common-list>li a.bg-img-submission{
	background-image: url("../img/abstract_img02.png");
}

.abstract .idx-common-list>li{
	width: 50%;
}

/*------------ sponsor ------------*/

.sponsor{
	padding: 70px 0 80px;
	background: url("../img/sponsor_bg01.png") no-repeat center center/cover;
}

.sponsor h2.common-h2{
	color: #fff;
}

.sponsor .sponsor-list{
	display: grid;
	grid-template-columns: repeat(auto-fit, 203px);
	justify-content: center;
	column-gap: 26px;
	row-gap: 28px;
	margin-top: 28px;
}

.sponsor .sponsor-list>li{
	-webkit-border-radius: 10px;
	-moz-border-radius: 10px;
	border-radius: 10px;
	overflow: hidden;
}

.sponsor .sponsor-list>li a,
.sponsor .sponsor-list>li img{
	display: block;
}

.sponsor .sponsor-list>li a:hover{
	opacity: 0.7;
}

@media only screen and (max-width: 1024px) {

	/*------------ commom ------------*/

	.idx-common-list{
		column-gap: 20px;
		margin-top: 35px;
	}

	.idx-common-list>li a{
		font-size: 2rem;
	}

	.idx-common-list>li a.btn01 {
		height: 150px;
	}

	.idx-common-list>li a.btn01 span{
		padding: 10px 0;
	}

	.idx-common-list>li a.btn02 {
		padding-top: 140px;
	}

	.idx-common-list>li a.btn02 .txt-box {
		padding: 10px 30px;
	}

	/*------------ mv ------------*/

	.mv {
		padding: 100px 0;
	}

	.mv h1{
		width: 550px;
		font-size: 3rem;
	}

	.mv .big-tit {
		font-size: 4rem;
		text-shadow: 0 0 10px #000;
	}

	.mv .big-tit,
	.mv .mv-list>li .txt {
		text-shadow: 0 0 10px #000;
	}

	.mv .mv-list>li .tit,
	.mv .mv-list>li .txt{
		font-size: 2rem;
	}

	/*------------ news ------------*/

	.news .news-list {
		padding: 20px 40px;
	}

	.news .news-list>li {
		column-gap: 25px;
	}

	/*------------ sponsor ------------*/

	.sponsor .sponsor-list {
		grid-template-columns: repeat(auto-fit, 180px);
		gap: 20px;
	}

}

@media only screen and (max-width: 768px) {
	/*------------ common ------------*/

	.idx-common-list>li a {
		font-size: 1.8rem;
	}

	.idx-common-list>li a.btn01 {
		height: 130px;
	}

	/*------------ mv ------------*/

	.mv {
		padding: 80px 0;
		background-image: url(../img/mv_bg01_sp.png);
	}

	.mv h1 {
		width: 500px;
		font-size: 2.6rem;
		padding: 5px 30px 3px 20px;
	}

	.mv .big-tit {
		font-size: 3.6rem;
		margin: 20px 0 30px;
	}

	.mv .mv-list>li{
		column-gap: 15px;
	}

	.mv .mv-list>li:not(:last-of-type) {
		margin-bottom: 15px;
	}

	.mv .mv-list>li .tit{
		width: 130px;
	}

	.mv .mv-list>li .tit,
	.mv .mv-list>li .txt {
		font-size: 1.8rem;
	}

	/*------------ news ------------*/

	.news .news-list {
		padding: 20px 30px;
	}

	.news .news-list>li {
		padding: 10px 0;
		column-gap: 20px;
	}

}

@media only screen and (max-width: 767px) {
	/*------------ common ------------*/

	.idx-common-list{
		flex-direction: column;
		align-items: center;
		row-gap: 30px;
	}

	/*------------ guidance / event-overview / abstract ------------*/

	.guidance .idx-common-list>li,
	.event-overview .idx-common-list>li,
	.abstract .idx-common-list>li
	{
		width: 546px;
		max-width: 100%;
	}

}

@media only screen and (max-width: 480px) {
	/*------------ common ------------*/

	.br-480{
		display: block;
	}

	h2.common-h2 .tit {
		font-size: 2.4rem;
		font-weight: bold;
	}

	.idx-common-list {
		margin-top: 25px;
	}

	.idx-common-list>li a {
		font-size: 1.6rem;
		-webkit-border-radius: 8px;
		-moz-border-radius: 8px;
		border-radius: 8px;
	}

	.idx-common-list>li a.btn01 span {
		padding: 8px 0;
	}

	.idx-common-list>li a.btn01 span::before {
		width: 30px;
		height: 1px;
	}

	.idx-common-list>li a.btn02 .txt-box {
		padding: 10px 20px;
	}

	/*------------ mv ------------*/
	.mv {
		padding: 60px 0;
	}

	.mv h1 {
		width: 100%;
		font-size: 2.3rem;
		padding: 5px 30px 3px 10px;
	}

	.mv .big-tit {
		font-size: 3rem;
	}

	.mv .mv-list>li {
		column-gap: 10px;
	}

	.mv .mv-list>li .tit {
		width: 110px;
	}

	.mv .mv-list>li .tit,
	.mv .mv-list>li .txt {
		font-size: 1.6rem;
	}

	.mv .mv-list>li .txt{
		margin-top: 3px;
	}

	/*------------ news ------------*/

	.news {
		padding: 60px 0;
	}

	.news .news-list {
		margin-top: 25px;
		padding: 15px 20px;
	}

	.news .news-list>li {
		column-gap: 10px;
	}

	.news .news-list>li .date{
		font-size: 1.2rem;
		width: 95px;
	}

	.news .news-list>li .content {
		font-size: 1.4rem;
	}

	.news .more-btn>a {
		width: 108px;
		height: 32px;
		font-size: 1.4rem;
		margin: 25px 0 0 auto;
	}

	/*------------ guidance / event-overview / abstract ------------*/

	.guidance,
	.event-overview,
	.abstract{
		margin-bottom: 60px;
	}

	/*------------ guidance ------------*/

	.guidance{
		margin-top: 60px;
	}

	/*------------ sponsor ------------*/

	.sponsor {
		padding: 60px 0;
	}

	.sponsor .sponsor-list {
		margin-top: 25px;
	}

	.sponsor .sponsor-list {
		grid-template-columns: repeat(2, minmax(0,160px));
		gap: 12px;
	}

}