/* --------------- about --------------- */

.bg_pagettl.about {
	background-image: url(../img/about/bg_pagettl.jpg);
	background-repeat: no-repeat;
}
@media screen and (max-width: 850px) {
	.bg_pagettl.about {
		background-image: url(../img/about/sp/bg_pagettl.jpg);
		background-repeat: no-repeat;
	}
}
.bg_gray1 {
	margin: 0;
	padding: 0 0 1px;
	background-color: #ebebec;
}
@media screen and (min-width: 851px) {
	.cont_mask {
		margin: 0;
		padding: 0;
		overflow: hidden;
		position: relative;
		z-index: 0;
	}
	.cont_parent .cont_hidden {
		margin: 0;
		padding: 0;
		position: absolute;
		top: 0;
		left: 0;
	}
}

.bg_about1 {
	margin: 0;
	padding: 0 0 90px;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 700px) {
	.bg_about1 { padding: 13.88vw 0; }
}
.deco_about1 {
	width: auto;
	height: calc( 100% - 90px );
	max-height: 615px;
	margin: 0;
	padding: 0;
	position: absolute;
	top: 0;
	left: -1%;
	z-index: -1;
}
@media screen and (max-width: 850px) {
	.deco_about1 { max-height: 140vw; }
}
.deco_about1 img {
	width: auto;
	height: 100%;
	opacity: 0.3;
}
.col_about1 {
	width: 100%;
	max-width: 1260px;
	margin: 0 auto;
	padding: 0;
	box-sizing: border-box;
	display: flex;
	align-items: center;
	justify-content: flex-end;
}
@media screen and (max-width: 850px) {
	.col_about1 { display: block; }
}
.col_about1 .cont_txt {
	width: 45.5%;
	max-width: 540px;
	margin: 0 min(4.58vw, 55px) 0 0;
	padding: 0;
}
@media screen and (max-width: 850px) {
	.col_about1 .cont_txt {
		width: 96%;
		margin: 0 auto 40px;
	}
}
.col_about1 .cont_txt .mds_about1 {
	margin: 0 0 20px;
	padding: 0 0 30px;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 700px) {
	.col_about1 .cont_txt .mds_about1 { padding: 0 0 20px; }
}
.col_about1 .cont_txt .mds_about1 .en_mds {
	width: 39vw;
	max-width: 197px;
	margin: 0 0 8px;
	padding: 0;
}
@media screen and (max-width: 850px) {
	.col_about1 .cont_txt .mds_about1 .en_mds {
		margin: 0 auto 8px;
		transition: all 1s;
		opacity: 0;
		position: relative;
		top: 20px;
	}
	.col_about1 .cont_txt.active .mds_about1 .en_mds {
		opacity: 1;
		top: 0;
	}
}
.mds_about1 .mds {
	margin: 0;
	padding: 0;
	color: #1f2a67;
	font-size: 15px;
	font-weight: 400;
}
@media screen and (max-width: 850px) {
	.mds_about1 .mds {
		text-align: center;
		transition: all 1s;
		opacity: 0;
		position: relative;
		top: 20px;
	}
	.mds_about1 .mds {
		opacity: 1;
		top: 0;
	}
}
.mds_about1 .dot {
	transform: none;
	left: 3px;
}
@media screen and (max-width: 850px) {
	.mds_about1 .dot {
		transform: translateX(-50%);
		left: 50%;
	}
}
.lead_about1 {
	margin: 0;
	padding: 0;
	font-size: min( 3.5vw, 42px );
	font-weight: 500;
	line-height: 1.4;
}
@media screen and (max-width: 850px) {
	.lead_about1 {
		font-size: min( 6.388vw, 36px );
		text-align: center;
		transition: opacity 1s;
		transition-delay: .3s;
		opacity: 0;
	}
	.active .lead_about1 { opacity: 1; }
}
.col_about1 .cont_img {
	width: 42.33%;
	max-width: 508px;
	margin: 0;
	padding: 0 0 35px;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 850px) {
	.col_about1 .cont_img {
		width: 100%;
		margin: 0 auto;
		padding: 0 0 35px 8%;
		box-sizing: border-box;
	}
	.col_about1 .cont_img img {
		transition: opacity 1s;
		opacity: 0;
	}
	.col_about1 .cont_img.active img { opacity: 1; }
}
.col_about1 .cont_img::before {
	content: "";
	width: 0;
	height: calc( 100% - 35px );
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	transition: width .5s;
	position: absolute;
	top: 35px;
	left: 50px;
	z-index: -1;
}
.col_about1 .cont_img.active::before { width: 50vw; }
@media screen and (max-width: 850px) {
	.col_about1 .cont_img::before {
		transition-delay: .5s;
		left: calc( 50% - 150px );
	}
	.col_about1 .cont_img.active::before { width: 100vw; }
}
@media screen and (max-width: 510px) {
	.col_about1 .cont_img::before { left: 15%; }
}

.col_about2 {
	width: 90%;
	max-width: 1000px;
	margin: 0 auto 168px;
	padding: 85px 8% 75px 2%;
	box-sizing: border-box;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 850px) {
	.col_about2 {
		padding: 60px 6% 50px;
	}
}
@media screen and (max-width: 700px) {
	.col_about2 { margin: 0 auto 100px; }
}
@media screen and (max-width: 500px) {
	.col_about2 { padding: 12vw 6% 40px; }
}
.col_about2::before {
	content: "";
	width: 100vw;
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #fff;
	position: absolute;
	top: 0;
	right: 0;
	z-index: -1;
}
@media screen and (max-width: 850px) {
	.col_about2::before {
		width: 100%;
	}
}
.col_about2::after {
	content: "";
	width: 100vw;
	height: calc( 100% - 60px );
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	position: absolute;
	top: 116px;
	left: 0;
	z-index: -2;
}
@media screen and (max-width: 850px) {
	.col_about2::after {
		height: 100%;
		top: 4%;
		left: 5%;
	}
}
@media screen and (max-width: 700px) {
	.col_about2::after { top: 5vw; }
}
.col_about2 .mds_about1 {
	width: 262px;
	margin: 0 0 28px;
	padding: 0 0 30px;
	position: relative;
	z-index: 0;
	float: left;
}

@media screen and (max-width: 850px) {
	.col_about2 .mds_about1 {
		width: 100%;
		float: none;
	}
}
@media screen and (max-width: 700px) {
	.col_about2 .mds_about1 {
		margin: 0 0 20px;
		padding: 0 0 20px;
	}
}
.col_about2 .mds_about1 .en_mds {
	width: 45.5vw;
	max-width: 230px;
	margin: 0;
	padding: 0;
	transition: all 1s;
	opacity: 0;
	position: relative;
	top: 20px;
	z-index: 0;
}
.col_about2.active .mds_about1 .en_mds {
	opacity: 1;
	top: 0;
}
@media screen and (max-width: 850px) {
	.col_about2 .mds_about1 .en_mds { margin: 0 auto; }
}
.col_about2 .mds_about1 .mds {
	margin: 0 0 -5px;
	transition: all 1s;
	transition-delay: .2s;
	opacity: 0;
	position: relative;
	top: 10px;
}
.col_about2.active .mds_about1 .mds {
	opacity: 1;
	top: -5px;
}
.col_about2 .cont_txt {
	width: calc( 93% - 262px );
	margin: 0;
	padding: 0;
	float: right;
}
@media screen and (max-width: 850px) {
	.col_about2 .cont_txt {
		width: 100%;
		margin: 0 0 30px;
		transition: opacity 1s;
		opacity: 0;
		float: none;
	}
	.col_about2 .cont_txt.active { opacity: 1; }
}
.col_about2 .cont_img {
	width: 262px;
	margin: 0;
	padding: 0;
	transition: opacity 1s;
	opacity: 0;
	float: left;
}
@media screen and (min-width: 851px) {
	.col_about2 .cont_img { transition-delay: .5s; }
	.col_about2.active .cont_img { opacity: 1; }
}
@media screen and (max-width: 850px) {
	.col_about2 .cont_img {
		width: 100%;
		max-width: 262px;
		margin: 0 auto;
		float: none;
	}
	.col_about2 .cont_img.active { opacity: 1; }
}
.col_about2 .cont_img .img {
	margin: 0 0 22px;
	padding: 0 12px 12px 0;
	position: relative;
	z-index: 0;
}
.col_about2 .cont_img .img::before {
	content: "";
	width: calc( 100% - 12px );
	height: calc( 100% - 12px );
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	position: absolute;
	top: 12px;
	left: 12px;
	z-index: -1;
}
.col_about2 .cont_img .cont_name {
	width: 100%;
	margin: 0;
	padding: 0;
	display: flex;
	align-items: center;
	justify-content: center;
}

.col_about2 .cont_img .cont_name.en {
	display: block;
}

.col_about2 .cont_img .cont_name .txt {
	margin: 0 14px 0 0;
	padding: 0;
	font-size: 14px;
}

.col_about2 .cont_img .cont_name.en .txt{
	margin: 0 0 14px;
	line-height: 1.5;
}

.col_about2 .cont_img .cont_name .name {
	width: 143px;
	margin: 0;
	padding: 0;
}

.col_about2 .cont_img .cont_name.en .name{
	width: 100%;
}

.bg_about3 {
	margin: 0;
	padding: 0;
	position: relative;
	z-index: 0;
}
.bg_about3::before {
	content: "";
	width: 100%;
	height: calc( 100% - 520px );
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	position: absolute;
	top: 260px;
	left: 0;
	z-index: -1;
}
.col_about3 {
	width: 90%;
	max-width: 960px;
	margin: 0 auto 100px;
	padding: 65px 0 90px;
	background-color: #fff;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 700px) {
	.col_about3 { padding: 40px 0; }
}
.col_about3::before {
	content: "";
	width: 1px;
	height: 0;
	background-color: #000;
	transform: translateX(-50%);
	transition: height .5s;
	position: absolute;
	top: -39px;
	left: 50%;
}
.active .col_about3::before { height: 78px; }
@media screen and (max-width: 700px) {
	.col_about3::before { top: -25px; }
	.active .col_about3::before { height: 50px; }
}
.col_about3 .mds_about1 {
	position: relative;
	z-index: 0;
}
.col_about3 .mds_about1 .en_mds {
	width: 56.25%;
	max-width: 253px;
	margin: 0 auto 7px;
	padding: 0;
	transition: all 1s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.col_about3 .mds_about1 .mds {
	margin: 0 0 30px;
	padding: 0 0 30px;
	text-align: center;
	transition: all 1s;
	transition-delay: .3s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.col_about3 .mds_about1.active .en_mds,
.col_about3 .mds_about1.active .mds {
	opacity: 1;
	top: 0;
}

.col_about3 .mds_about1 .dot {
	transform: translateX(-50%);
	left: 50%;
}
.cont_about3 {
	width: 88%;
	margin: 0 auto;
	padding: 0;
}
.cont_about3 dl {
	width: 100%;
	margin: 0;
	padding: 0;
	transition: all .5s;
	opacity: 0;
	display: flex;
	position: relative;
	top: 20px;
	z-index: 0;
}
.cont_about3 dl.active {
	opacity: 1;
	top: 0;
}
@media screen and (max-width: 700px) {
	.cont_about3 dl { display: block; }
}
.cont_about3 dl dt {
	width: 26%;
	min-width: 120px;
	margin: 0;
	padding: 14px 5px 14px 20px;
	border-bottom: solid 1px #1f2a67;
}
.cont_about3 dl:first-child dt { border-top: solid 1px #1f2a67; }
@media screen and (max-width: 700px) {
	.cont_about3 dl dt {
		width: 100%;
		min-width: 100%;
		padding: 12px 10px;
		background-color: #eeecf1;
		border-bottom-color: #a3a3a3;
	}
}
.cont_about3 dl dd {
	width: calc( 100% - 120px );
	margin: 0;
	padding: 14px 5px 14px 20px;
	border-bottom: solid 1px #a3a3a3;
}
.cont_about3 dl:first-child dd { border-top: solid 1px #a3a3a3; }
@media screen and (max-width: 700px) {
	.cont_about3 dl dd {
		width: 100%;
		padding: 12px 10px;
		border-bottom-color: #1f2a67;
	}
	.cont_about3 dl:first-child dd { border-top: none; }
}

.bg_about4 {
	width: 100%;
	max-width: 1260px;
	margin: 0 auto 100px;
	padding: 0 0 72px;
}
@media screen and (max-width: 700px) {
	.bg_about4 {
		margin: 0 0 80px;
		padding: 0 0 5vw;
	}
}
.col_about4 {
	width: 90%;
	max-width: 1109px;
	margin: 0 0 0 auto;
	padding: 98px 0;
	background-color: #fff;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 700px) {
	.col_about4 {
		margin: 0 auto;
		padding: 60px 0 30px;
	}
}
.col_about4::before {
	content: "";
	width: 100vw;
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #fff;
	position: absolute;
	top: 0;
	left: 0;
	z-index: -1;
}
@media screen and (max-width: 700px) {
	.col_about4::before { width: 100%; }
}
.col_about4::after {
	content: "";
	width: 0;
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	transition: width .5s;
	position: absolute;
	top: 72px;
	right: 0;
	z-index: -2;
}
.col_about4.active::after { width: 100vw; }
@media screen and (max-width: 700px) {
	.col_about4::after {
		top: 5vw;
		right: 5vw;
	}
}
.col_about4 .mds_about1 {
	width: 90%;
	max-width: 876px;
	margin: 0 auto 30px;
	padding: 0 0 30px;
	position: relative;
}
@media screen and (max-width: 700px) {
	.col_about4 .mds_about1 {
		margin: 0 auto 25px;
		padding: 0 0 23px;
	}
}
.col_about4 .mds_about1 .en_mds {
	width: 487px;
	transition: all 1s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.col_about4.active .mds_about1 .en_mds {
	opacity: 1;
	top: 0;
}
@media screen and (max-width: 850px) {
	.col_about4 .mds_about1 .en_mds { margin: 0 auto; }
}
@media screen and (max-width: 700px) {
	.col_about4 .mds_about1 .en_mds {
		width: 72%;
		max-width: 280px;
	}
}
.col_about4 .mds_about1 .mds {
	transition: all 1s;
	transition-delay: .3s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.col_about4.active .mds_about1 .mds {
	opacity: 1;
	top: 0;
}
.cont_about4 {
	width: 90%;
	max-width: 876px;
	margin: 0 auto;
	padding: 0;
	display: flex;
	justify-content: space-between;
}
@media screen and (max-width: 850px) {
	.cont_about4 {
		display: block;
	}
}
.cont_related_about {
	width: 46%;
	margin: 0;
	padding: 0;
}
@media screen and (max-width: 850px) {
	.cont_related_about {
		width: 100%;
		transition: opacity 1s;
		opacity: 0;
	}
	.cont_related_about.active { opacity: 1; }
	.cont_related_about:first-child { margin: 0 auto 25px; }
}
.cont_related_about .submds {
	margin: 0 0 15px;
	padding: 0.2em 5px 0.2em 12px;
	color: #1f2a67;
	font-size: 21px;
	font-weight: 500;
	line-height: 1.6;
	background-color: #e9e6ed;
	border-left: solid 4px #1f2a67;
	box-sizing: border-box;
}
@media screen and (max-width: 400px) {
	.cont_related_about .submds { font-size: 19px; }
}
.cont_related_about dl {
	width: 100%;
	margin: 0 0 8px;
	padding: 0 0 0 12px;
	box-sizing: border-box;
	display: flex;
	align-items: flex-start;
}
.cont_related_about dl dt {
	width: 68px;
	margin: 0 10px 0 0;
	padding: 0.1em 0;
	color: #fff;
	font-size: 13px;
	text-align: center;
	background-color: #1f2a67;
}

.cont_related_about dl.en dt{
	width: 100px;
}

@media screen and (max-width: 700px) {
	.cont_related_about dl dt {
		align-self: stretch;
		display: flex;
		align-items: center;
		justify-content: center;
	}
}

.cont_related_about dl dd {
	width: calc( 100% - 78px );
	margin: 0;
	padding: 0;
	overflow-wrap: break-word;
}

.cont_related_about dl.en dd{
	line-height: 1.5;
}

@media screen and (max-width: 700px) {
	.cont_related_about dl dd { line-height: 1.5; }
}
.cont_related_about dl dd a { color: #000; }
.cont_related_about dl dd a:hover { text-decoration: underline; }

.col_about5 {
	width: 100%;
	max-width: 1106px;
	margin: 0 auto 180px;
	padding: 85px 0;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 850px) {
	.col_about5 { width: 90%; }
}
@media screen and (max-width: 850px) {
	.col_about5 { margin: 0 auto 100px; }
}
.col_about5::before {
	content: "";
	width: 100vw;
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #fff;
	position: absolute;
	top: 0;
	right: 70px;
	z-index: -1;
}
@media screen and (max-width: 850px) {
	.col_about5::before {
		width: 100%;
		right: 0;
	}
}
.col_about5::after {
	content: "";
	width: 0;
	height: 100%;
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	transition: width 1s;
	position: absolute;
	top: 55px;
	left: 0;
	z-index: -2;
}
.col_about5.active::after { width: 100vw; }
@media screen and (max-width: 850px) {
	.col_about5::after {
		top: 5vw;
		left: 5vw;
	}
}
.cont_about5 {
	width: 90%;
	max-width: 960px;
	margin: 0 auto;
	padding: 0;
	display: flex;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 850px) {
	.cont_about5 {
		display: block;
	}
}
.cont_about5 .mds_about1 {
	width: 100%;
	max-width: 958px;
	margin: 0 auto 30px;
	padding: 0 0 30px;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 700px) {
	.cont_about5 .mds_about1 {
		margin: 0 auto 24px;
		padding: 0 0 24px;
	}
}
.cont_about5 .mds_about1 .en_mds {
	width: 36.53vw;
	max-width: 185px;
	transition: all 1s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.cont_about5 .mds_about1.active .en_mds {
	opacity: 1;
	top: 0;
}
@media screen and (max-width: 850px) {
	.cont_about5 .mds_about1 .en_mds { margin: 0 auto; }
}
.cont_about5 .mds_about1 .mds {
	transition: all 1s;
	transition-delay: .3s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.cont_about5 .mds_about1.active .mds {
	opacity: 1;
	top: 0;
}
.cont_about5 .list_about_history {
	width: 68.75%;
	margin: 0;
	padding: 0;
}
@media screen and (max-width: 850px) {
	.cont_about5 .list_about_history {
		width: 100%;
		padding: 0 0 20px;
	}
}
.cont_about5 dl {
	width: 100%;
	margin: 0 0 28px;
	padding: 0;
	display: flex;
	transition: all 1s;
	opacity: 0;
	position: relative;
	top: 20px;
}
.cont_about5 dl.active {
	opacity: 1;
	top: 0;
}
.cont_about5 dl dt {
	width: 25vw;
	max-width: 105px;
	margin: 0;
	padding: 0;
}
.cont_about5 dl dd {
	width: max( 75vw, calc( 100% - 105px ) );
	margin: 0;
	padding: 0;
	display: flex;
}
.cont_about5 dl dd .milestone {
	width: 80px;
	margin: 0;
	padding: 0;
	position: relative;
	z-index: 0;
}
@media screen and (max-width: 560px) {
	.cont_about5 dl dd .milestone { width: 40px; }
}
.cont_about5 dl dd .milestone::before {
	content: "";
	width: 10px;
	height: 10px;
	margin: 0;
	padding: 0;
	background-color: #1f2a67;
	border-radius: 50%;
	transform: translateX(-50%);
	position: absolute;
	top: 15px;
	left: 50%;
}
.cont_about5 dl.first dd .milestone::before {
	width: 16px;
	height: 16px;
	background-color: #fff;
	border: solid 2px #1f2a67;
	box-sizing: border-box;
	top: 12px;
}
.cont_about5 dl dd .milestone::after {
	content: "";
	width: 2px;
	height: 0;
	margin: 0;
	padding: 0;
	border-left: dotted 2px #1f2a67;
	box-sizing: border-box;
	transform: translateX(-50%);
	transition: height .5s;
	transition-delay: .5s;
	position: absolute;
	top: 15px;
	left: 50%;
	z-index: -1;
}
.cont_about5 dl.active dd .milestone::after { height: calc( 100% + 28px ); }
@media screen and (max-width: 850px) {
	.cont_about5 dl.active:last-child dd .milestone::after { height: 100%; }
}
.cont_about5 dl dd .txt {
	width: calc( 100% - 80px );
	margin: 0;
	padding: 0.4em 0 0;
}
@media screen and (max-width: 560px) {
	.cont_about5 dl dd .txt { width: calc( 100% - 40px ); }
}
.cont_about5 .img_about5 {
	width: 31.25%;
	margin: 0;
	padding: 0;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	position: relative;
	z-index: 0;
}
.cont_about5 .img_about5 .img_about5_1 {
	width: 100%;
	margin: 0 0 -45px;
	padding: 0;
	transition: opacity 1s;
	opacity: 0;
	position: relative;
	top: -45px;
	left: -25%;
}
.cont_about5 .img_about5 .img_about5_2 {
	width: 80%;
	margin: 0 0 35px;
	padding: 0;
	transition: opacity 1s;
	opacity: 0;
	position: relative;
	top: -5px;
	left: 40%;
}
.cont_about5 .img_about5 .img_about5_3 {
	width: 125%;
	margin: 0;
	padding: 0;
	transition: opacity 1s;
	opacity: 0;
	position: relative;
}
.cont_about5 .img_about5 .img_about5_1.active,
.cont_about5 .img_about5 .img_about5_2.active,
.cont_about5 .img_about5 .img_about5_3.active { opacity: 1; }
@media screen and (max-width: 850px) {
	.cont_about5 .img_about5 {
		width: 100%;
		max-width: 500px;
		margin: 0 auto;
		padding: 9% 0;
		box-sizing: border-box;
		display: block;
	}
	.cont_about5 .img_about5 .img_about5_1 {
		width: 43.8%;
		position: absolute;
		top: 0;
		left: 0;
	}
	.cont_about5 .img_about5 .img_about5_2 {
		width: 55.27%;
		margin: 0;
		position: absolute;
		top: auto;
		left: auto;
		right: 0;
		bottom: 0;
	}
	.cont_about5 .img_about5 .img_about5_3 {
		width: 90%;
		margin: 0 auto;
		z-index: -1;
	}
}