@charset "utf-8";

/* -- レギュレーション -- */
body {
    min-width: 960px;
    color: #000;
}

a, .txtLink{
    transition: .3s;
}

a:hover, .txtLink:hover{
    opacity: 0.5;
}

.clearfix:after {
    display: block;
    clear: both;
    content: "";
}

img {
    max-width: 100%;
}

/* -- 共通パーツ -- */
.displayNone{
    display: none!important;
}

.onlySP {
	display: none;
}

.onlyPC {
	display: block;
}

.inner {
    width: 960px;
    margin: auto;
    position: relative;
}

.link01 {
    position: relative;
}

.link01:after {
    position: absolute;
    width: 15px;
    height: 15px;
    top: 90px;
    bottom: 0;
    margin: auto;
    right: 10px;
}

.link02 {
    padding-right: 30px;
    position: relative;
}

.link02:after {
    position: absolute;
    width: 15px;
    height: 15px;
    top: 0;
    bottom: 0;
    margin: auto;
    right: 0;
}

.txtLink {
    cursor: pointer;
}

.arrowBlack:after {
    content: url("../img/icon_arrow01.png");
}

.arrowWhite:after {
    content: url("../img/icon_arrow02.png");
}

.fa,
.fa_after:after,
.fa_before:before{
    display: inline-block;
    font: normal normal normal 14px/1 FontAwesome;
    font-size: inherit;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.fa_after:after {
    padding-left: 10px;
}

.fa_before:before {
    padding-right: 10px;
}

.linkBtnArea {
    padding-bottom: 25px;
    /*padding-bottom: 50px;*/
}

.linkBtn {
    margin: 0;
    text-align: center;
}

.linkBtn a {
    display: inline-block;
    text-align: center;
    margin:  auto;
    min-width: 180px;
    padding: 12px 10px;
    font-size: 12px;
    color: #fff;
    line-height: 12px;
    background-color: #00bdd8;
    border-radius: 5px;
    text-decoration: none;
}

.linkBtn a:hover {
    text-decoration: none;
}

.linkBtn.bigBtn a {
    font-size: 16px;
    line-height: 16px;
    padding-top: 16px;
    padding-bottom: 16px;
    text-decoration: none;
}

.linkBtn.bigBtn a:hover {
    text-decoration: none;
}

.textCenter {
    text-align: center;
}

.icon {
    display: inline-block;
    padding-left: 10px;
    margin: 0;
}

/* -- テーブル -- */
table {
    width:100%;
    border-top:1px solid #ddd;
    border-right:1px solid #ddd;
    border-collapse:collapse;
}

table th {
    padding: 15px 8px;
    text-align: center;
    vertical-align: middle;
    color: #fff;
    line-height: 1em;
    background-color: #132C55;
    font-weight: normal;
    border-left: 1px solid #fff;
	
}

table tr th:first-child {
    border-left: none;
}

table td {
    border-bottom:1px solid #ddd;
    border-left:1px solid #ddd;
    padding:15px 10px;
    text-align:center;
}

.tableLeft td {
    text-align: left;
}

table .c1st,
table .c1st * ,
.sectionArea .researchTable table .c_line1,
.sectionArea .researchTable table .c_1st {
  /*color: #02a2b9;*/
  text-align: center;
}

/* -- TOPへ戻るボタン -- */
#page-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    font-size: 77%;
}
#page-top a {
    background: #666;
    text-decoration: none;
    color: #fff;
    width: 50px;
    padding: 10px 0;
    text-align: center;
    display: block;
    border-radius: 5px;
}
#page-top a:hover {
    text-decoration: none;
    background: #999;
}


/* -- 中ページ -- */
/* -- 中ページ[ヒーローエリア] -- */
.heroArea {
    background-image: url("../img/img_hero.png");
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
    background-color: #becacc;
    margin-bottom: 40px;
}
.heroArea h1 {
    height: 200px;
    width: 960px;
    margin: 0;
    text-align: center;
    display: table-cell;
    vertical-align: middle;
}

.heroArea h1 span {
    display: inline-block;
    position: relative;
}


/* -- 中ページ[本文エリア] -- */
.sectionArea .inner,
.sectionArea .twocols_inner
{
    padding: 40px;
    box-sizing: border-box;
}



.sectionArea .bkGray {
    background-color: #f5f5f5;
}

.sectionArea h2 {
	text-align: center;
    font-size: 23px;
    font-weight: 600;
    margin-bottom: 15px;
}

.sectionArea p {
    font-size: 16px;
}

.sectionArea a {
    text-decoration: underline;
}

.sectionArea a:hover {
    text-decoration: underline;
}

/* -- 日/英変換
** displayPtn1 : 日本語表示
** displayPtn2 : 英語表示
-- */
.txtChange{
    text-align: right;
    margin-top: 20px;
}

.displayPtn1{
    display: inline;
}

.displayPtn2{
   /* -- display: none; -- */
   display: inline;
}

.txtChange .txtLink:after{
    padding-left: 10px;
	font-family: 'Font Awesome 5 Free';
	font-weight: 900;
    content: "\f362";
}

/* -- 英語テキスト -- */
.sectionArea h2 .EngTxt{
    margin-bottom: 0px;
    font-size: 13px;
}

.heroArea h1 .EngTxt{
    margin-bottom: 0px;
    font-size: 16px;
}

/*---------------------
2023年追加CSS　

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




.about_youtube_area{
	text-align: center;
	width: 800px;
	margin: 0px auto 60px;
    
}

.youtube {
  width: 100%;
  aspect-ratio: 16 / 9;
}
.youtube iframe {
  width: 100%;
  height: 100%;
}


.about_btn_area,
.study_btn_area
{
	display: flex;
	flex-wrap: wrap;
	row-gap: 30px;
	width: 100%;
	justify-content: space-between;
	margin-bottom: 80px;
}

.about_btn_area a.about_btn,
.study_btn_area a.study_btn {
	cursor: pointer;
	width: calc((100% - (30px * 3)) / 4);
	min-height: 230px;
	height: auto;
	background-color: #f4f8fa;
	border-radius: 15px;
	text-align: center;
	overflow: hidden;
	position: relative;
	color: #000000;
	display: flex;
	flex-direction: column;
	padding: 60px 10px 20px;
	box-sizing: border-box;
	text-decoration: none;
}

.about_btn_area a.about_btn:hover,
.study_btn_area a.study_btn:hover
{
	background-color: #3366CC;
	color: #ffffff;
	text-decoration: none;
	opacity: 1.0;
	text-decoration: none;
}

.about_btn_area a.about_btn:after,
.study_btn_area a.study_btn:after
{
	content: '';/*何も入れない*/
  display: inline-block;
	/* position: absolute; */
	width: 40px;/*画像の幅*/
  height: 40px;/*画像の高さ*/
  background-image: url("../img/icon_aboutbtn_u.svg");
  background-size: contain;
	vertical-align: middle;
	margin: 0 auto;
}

.about_btn_area a.about_btn:hover:after,
.study_btn_area a.study_btn:hover:after
{
  background-image: url("../img/icon_aboutbtn_d.svg");
}

.about_btn_area a.about_btn[target="_blank"]:after,
.study_btn_area a.study_btn[target="_blank"]:after {
  background-image: url("../img/icon_aboutbtn_gaibu_u.svg");
}

.about_btn_area a.about_btn[target="_blank"]:hover:after,
.study_btn_area a.study_btn[target="_blank"]:hover:after {
  background-image: url("../img/icon_aboutbtn_gaibu_d.svg");
}

.about_btn_area a.about_btn p,
.study_btn_area a.study_btn p
{
	font-weight: bold;
	flex-grow: 1;
	display: flex;
	flex-direction: column;
	justify-content: center;
}

.about_btn_area a.about_btn p.aboutbtn_subtext,
.study_btn_area a.study_btn p.aboutbtn_subtext
{
	font-weight: normal!important;
	font-size: 10px;
	padding-top: 10px;
}



.twocols_area{
  width: 960px;
  margin: 0px auto 30px;
  position: relative;
	display: flex;
}

.twocols_left_navi{
	width: 200px;
	
}

.twocols_right{
	width: 700px;
	margin-left: 60px;
	margin-bottom: 100px;
}



.twocols_inner h2,
.researc_inner h2,
.researc_inner h4
{
	text-align: left;
	padding-left: 36px;
	position: relative;

}

.researc_inner h4
{
	font-size: 20px;
	padding-bottom: 12px;

}



.twocols_inner h2:before,
.researc_inner h2:before
{
content: '';/*何も入れない*/
display: inline-block;
position: absolute;
width: 24px;/*画像の幅*/
height: 11px;/*画像の高さ*/
background-image: url("../img/icon_tit_h2.png");
background-size: contain;
top: 10px;
left: 0px;
}

.researc_inner h4:before
{
content: '';/*何も入れない*/
display: inline-block;
position: absolute;
width: 24px;/*画像の幅*/
height: 11px;/*画像の高さ*/
background-image: url("../img/icon_tit_h3.png");
background-size: contain;
top: 10px;
left: 0px;
}




ul.left_navi{
	width: 100%;
	display: block;
	margin-top: 40px;
	position: sticky;
	top: 200px;
}


.left_navi li{
	cursor: pointer;
	border-bottom: solid #8995AA 1px;
	padding: 24px 0px 10px;
	font-size: 0.8rem;
	letter-spacing: 0.1rem;
	position: relative;
	font-weight: bold;
}

.left_navi li a{
	color: #8995AA;
	display: block;
	overflow: hidden;
	font-weight: normal;	
}

.left_navi li a:hover{
	color: #000000;
}

.left_navi li:hover{
	border-bottom: solid #1A1A1A 1px;
	font-weight: bold;
		color: #1A1A1A;
}

.left_navi li.icon_gibu {
	display: flex;
	column-gap: 0.5em;
}

.left_navi li.icon_gibu:after {
  content: url("../img/open_in_new_blue.svg");
	width: 20px;
	height: 20px;
}


ul.left_navi li.selected:before {
  content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 200px;
    border-bottom: 1px solid #132c55;
}


ul.left_navi li.selected:after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 15px;
    border-bottom: 1px solid #02bdd8;
}

a.c-button {
	border-radius: 50px;
	padding: 10px calc(min(4vw, 15px) + 18px + 5px) 10px;
	/* margin: auto; */
	border: none;
	box-sizing: border-box;
	display: flex;
	justify-content: center;
	align-items: center;
	font-size: 16px;
	font-weight: 600;
	width: 100%;
	min-height: 70px;
	height: auto;
	color: #fff;
	position: relative;
	cursor: pointer;
	text-decoration: none;
	background-color: #02bdd8;
}
a.c-button[target="_blank"]:not(.c-button--nonblank) {
	padding: 10px calc(min(4vw, 20px) + 20px + 5px) 10px;
}
a.c-button--02 {
	border: solid 1px #02BDD8;
	color: #02BDD8;
	background-color: #ffffff;
}
a.c-button:hover {
	text-decoration: none;
}
a.c-button::after {
	content: "";
	background-image: url(../../common/img/icon_arrow_right_white.png);
	background-repeat: no-repeat;
	background-size: contain;
	background-position-y: center;
	position: absolute;
	width: 18px;
	height: auto;
	aspect-ratio: 9 / 4;
	top: 0;
	bottom: 0;
	margin: auto 0;
	right: min(4vw, 15px);
}
a.c-button--02::after {
	background-image: url(../../common/img/icon_arrow_right_blue.png);
}
a.c-button[target="_blank"]:not(.c-button--nonblank)::after {
	background-image: url(../../common/img/open_in_new_white.svg);
	width: 20px;
	aspect-ratio: 1 / 1;
	right: min(4vw, 20px);
}
@media screen and (max-width:480px) {
	a.c-button {
		padding: 10px calc(min(4vw, 15px) + 18px + 10px) 10px 20px;
		min-height: 60px;
		justify-content: flex-start;
	}
	a.c-button[target="_blank"]:not(.c-button--nonblank) {
		padding: 10px calc(min(4vw, 20px) + 20px + 10px) 10px 20px;
	}
}


/*　画面サイズが480pxまではここを読み込む　*/
@media screen and (max-width:480px) {
	.onlyPC {
		display: none;
	}

	.onlySP {
		display: block;
	}

	body {
		min-width: auto;
	}

	#navBtn {
		width: 45px;
		height: 45px;
		display: block;
		position: absolute;
		right: 0;
		top: 0;
		background-image: url("../../img/nav_btn_open.svg");
		background-repeat: no-repeat;
		background-position: center center;
		background-size: contain;
	}

	#navBtn.open {
		background-image: url("../../img/nav_btn_close.svg");
	}

	.cover {
		z-index: 1;
		width: 100%;
		height: calc(100vh - 60px);
		margin: 0;
		padding: 10px 0 70px;
		position: absolute;
		left: 0;
		top: 75px;
		background: #fff;
		display: none;
		box-sizing: border-box;
	}

	.logoArea ul:not(.subNavi) {
		width: 19em;
		height: 100%;
		margin: auto;
		position: static;
		left: auto;
		top: auto;
		display: flex;
		flex-flow: column nowrap;
		justify-content: center;
	}

	.logoArea li a,
	.logoArea li span {
		color: #000;
		display: inline-block;
		width: 100%;
		margin: 0;
		padding: 6% 0 6% 40px;
    font-size: 0.95em;
		line-height: 1;
		text-decoration: none;
		box-sizing: border-box;
		-webkit-font-smoothing: subpixel-antialiased;
		position: relative;
	}

	.logoArea ul:not(.subNavi) > li > a::before,
	.logoArea ul:not(.subNavi) > li > span::before {
		content: '';
		display: block;
		width: 24px;
		height: 24px;
		position: absolute;
		left: 0.5em;
		top: calc(50% - 13px);
		background-repeat: no-repeat;
		background-position: center center;
		background-size: cover;
	}

	.logoArea ul:not(.subNavi) > li:nth-child(1) > a::before {
		background-image: url("../../img/menu_g1.svg");
	}

	.logoArea ul:not(.subNavi) > li:nth-child(2) > span::before {
		background-image: url("../../img/menu_g2.svg");
	}

	.logoArea ul:not(.subNavi) > li:nth-child(3) > span::before {
		background-image: url("../../img/menu_g3.svg");
	}

	.logoArea ul:not(.subNavi) > li:nth-child(4) > a::before {
		background-image: url("../../img/menu_g4.svg");
	}

	.logoArea ul:not(.subNavi) > li:nth-child(5) > a::before {
		background-image: url("../../img/menu_g5.svg");
	}

	.logoArea ul:not(.subNavi) > li:nth-child(6) > a::before {
		background-image: url("../../img/menu_g6.svg");
	}

	.logoArea ul:not(.subNavi) > li {
		display: block;
		width: 100%;
		height: auto;
		margin: 0 auto;
	}

	.logoArea ul:not(.subNavi) li > a {
		color: #000;
	}

	.logoArea .subNavi {
		width: auto;
		position: static;
		left: auto;
		top: auto;
		background-color: transparent;
		text-align: left;
		display: none;
	}

	.logoArea .subNavi a::before {
		content: '▶︎';
		font-size: 0.7em;
		position: absolute;
		margin: 0 3px;
		left: 40px;
		top: 11px;
	}

	.logoArea .subNavi li {
		position: relative;
	}

	.logoArea .subNavi li a {
		padding: 3% 0 3% 24%;
    font-size: 14px;
	}

	.logoArea li a:hover,
	.logoArea li span:hover,
	.logoArea li.nowPage > a,
	.logoArea li.nowPage > span {
		color: #02c5dd;
	}

	.inner {
		width: 90%;
		margin: auto;
		position: relative;
	}

	/* main {
		margin-top: 19%;
	} */

	.link01:after {
		top: 99px;
		right: 6px;
	}

	.heroArea {
		height: auto;
		background-size: 100% auto;
		background-position: center center;
		background-repeat: no-repeat;
		background-color: #b8c6c8;
		background-image: url("../img/img_hero_sp.jpg");
		margin-bottom: 0;

	}

	.heroArea h1 {
		height: 150px;
		text-align: center;
	}

	.heroArea h1 span {
		font-size: 15px;
		/*padding-left: 50px;*/
	}

	/*.heroArea h2 span:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp.png");
	}

	.heroArea h2 span.purpose:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp1.png");
	}

	.heroArea h2 span.ForReseachers:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp2.png");
	}

	.heroArea h2 span.newsletter:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp3.png");
	}

	.heroArea h2 span.faq:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp5.png");
	}

	.heroArea h2 span.contactus:before {
		content: '';
		display: inline-block;
		width: 40px;
		height: 40px;
		background-size: contain;
  　vertical-align: middle;
		background-image: url("../img/icon_hero_sp6.png");
	}
	*/
	

	.heroArea h1 .EngTxt {
		font-size: 10px;
	}

	.sectionArea .inner {
		padding: 40px 2px;
	}

	.sectionArea .bkGray {
		width: 100%;
		padding: 40px 30px !important;
	}

	.sectionArea h2 {
		font-size: 20px;
	}

	.sectionArea p,
	table {
		font-size: 16px;
	}

	table th {
		line-height: 1.5;
	}

	footer p.copyRight {
		text-align: left;
    padding-left: 15px;
    line-height: 1.5;
		margin-top: 0px;
	}
	
	
	
/*---------------------
2023年追加CSS　

---------------------*/
.sectionArea .twocols_inner
{
    padding: 20px;
}

	
.about_youtube_area{
	width: 92%;
	margin: 0px 4%;
    
}
	
	
.about_btn_area,
.study_btn_area		
{
	width: 100%;
	margin-bottom: 40px;
	row-gap: 10px;
}
	
.about_btn_area a.about_btn,
.study_btn_area a.study_btn	
{
	width: calc((100% - 10px) / 2);
	border-radius: 20px;
	min-height: 180px;
	padding: 30px 10px 10px;
}

.about_btn_area a.about_btn p.aboutbtn_subtext,
.study_btn_area a.study_btn	 p.aboutbtn_subtext
{
	font-size: 0.5rem;
	padding-top: 3px;
}
	
	
.twocols_area{
  width: 100%;
    margin: 0px 0%;
	display: block;
}

.twocols_left_navi{
	width: 80%;
	margin: 0px 10%;
}
.twocols_right{
	width: 100%;
	margin-left: 0px;
}	
	
	
	
ul.left_navi{
	margin-top: 10px;
	margin-bottom: 24px;
position: static;
}	
	
	
ul.left_navi li.selected:before {
    width: 100%;
}


ul.left_navi li.selected:after {
    width: 30px;
}	
	
	
	
	
	
	
}

.graphArea {
  background-color: #E5F8FB;
}
.graphArea.white {
  background-color: #fff;
}

/* .graphBlock {
  padding-bottom: 70px; 
} */

.graphTitle {
  text-align: center;
  padding: 35px 0;
}

.graphTitle h2{
  line-height: 1;
}

.graphTitleSub {
  margin-top: 20px;
  margin-bottom: 0;
}

.graphAreaList {
  display: flex;
  flex-wrap: wrap;
}

.graphAreaList > li {
  width: 50%;
  padding-bottom: 50px;
}
@media screen and (max-width:480px) {
  .graphAreaList > li {
    width: 90%;
    padding-bottom: 50px;
	  margin: 0px 5%;
  }
}

.graphCanvas {
  margin-bottom: 30px;
}
@media screen and (max-width:480px) {
  .graphCanvas {
    margin-bottom: 20px;
  }
}

.graphCanvasTitle {
  text-align: center;
  margin-bottom: 10px;
}

.graphDataList {
  max-width: 250px;
  width: 100%;
  margin: auto;
}
@media screen and (max-width:480px) {
  .graphDataList {
    max-width: none;
    padding-right: 30px;
    box-sizing: border-box;
  }
}

.graphDataList > li {
  margin-bottom: 10px;
}

.graphDataList .block {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
}


.graphDataList a:after {
  content: "";
  width: 15px;
  height: 15px;
  background-image: url(../img/icon_arrow03.svg);
  background-repeat: no-repeat;
  position: absolute;
  right: -25px;
}

.graphDatatext {
  display: flex;
  align-items: center;
}

.graphDatatext .color {
  display: inline-block;
  width: 40px;
  height: 20px;
  background-color: #ccc;
}

.graphDatatext .text {
  margin-left: 10px;
  display: inline-block;
  padding-right: 10px;
  flex: 1;
  font-size: 14px;
}

.graphDatatext .text .small{
  font-size: 12px;
}

.graphDataNum {
  font-size: 14px;

}

.graphAnno {
  font-size: 0.8em;
  text-align: right;
  margin-top: -30px;
  margin-bottom: 0;
  padding-bottom: 35px;
	margin-right: 5px;
}

.graphLinkList {
  display: flex;
  flex-wrap: wrap;
    justify-content: space-around;
	margin-top: 40px;
}


@media screen and (max-width:480px) {
  .graphLinkList {
    justify-content: space-around;
    margin-top: 20px;
  }
}

.graphLinkList > li {
  min-width: 100px;
}
.graphLinkList > li:last-child {
  margin-right: 0;
}
@media screen and (max-width:480px) {
  .graphLinkList > li {
    min-width: none;
    width: 44%;
    margin-right: 0;
    margin-bottom: 10px;
  }
}

.graphLinkList > li a{
  display: block;
  text-align: center;
  padding: 3px 5px;
  border: 1px solid #00bdd8;
  color: #00bdd8;
  width: 100%;
  box-sizing: border-box;
  border-radius: 5px;
}
@media screen and (max-width:480px) {
  .graphLinkList > li a{
    font-size: 14px;
  }
	
.grapDateArea {
  margin-right: 5px;
}
	
}

.graphLinkList > li.active a{
  background-color: #00bdd8;
  color: #fff;
}

.graphLinkListSub {
  display: flex;
  margin-top: 40px;
  margin-bottom: 60px;
  justify-content: center;
}

.graphLinkListSub > li a{
  display: block;
  text-align: center;
  padding: 3px 5px;
  border-bottom: 1px solid #333;
  color: #333;
  margin-right: 30px;
  min-width: 130px;
  box-sizing: border-box;
}

.graphLinkListSub > li:last-child a{
  margin-right: 0;
}

.grapDateArea {
  text-align: right;
  margin-bottom: 40px;
  font-size: 0.8em;
}

.u-anno {
	font-size: 90%;
	text-indent: -0.75em;
	padding-left: 0.75em;
	display: inline-block;
}