@charset "utf-8";
/*------------------------------------------------------------
	history
------------------------------------------------------------*/
#conts .ttl-box {
	padding: 0 0 113px;
	text-align: center;
}
#conts .ttl-box .ttl {
	margin-bottom: 13px;
}
#conts .ttl-box p {
	font-size: 1.8rem;
	font-weight: 700;
	line-height: 1.556;
	letter-spacing: 0.08em;
}
#conts .bg-box {
	padding: 0 0 64px;
	background: url(../img/history/bg.jpg) center top / 100% 100%;
}
#conts .key-visual {
	margin-bottom: 83px;
}
#conts .history-list li {
	position: relative;
}
#conts .history-list li:last-child::before {
	display: none;
}
#conts .history-list li::before {
	width: 1px;
	height: calc(100% + 25px);
	position: absolute;
	left: 0;
	top: 0;
	background-color: #fff;
	content: "";
}
#conts .history-list li:first-child::before {
	top: 50%;
}
#conts .history-list li:last-child:after {
	width: 0;
	height: 500px;
	position: absolute;
	left: 0;
	top: 85px;
	border-left: 1px dashed #fff;
	content: "";
}
#conts .history-list li:not(:last-child) {
	padding-bottom: 50px;
}
#conts .history-list li dl {
	display: flex;
	justify-content: space-between;
	align-items: flex-start;
}
#conts .history-list li dt {
	width: 360px;
	position: relative;
	display: flex;
	justify-content: flex-start;
	align-items: center;
}
#conts .history-list li dt::before {
	width: 1px;
	height: 100%;
	position: absolute;
	left: 0;
	top: 50%;
	background-color: #fff;
	content: "";
}
#conts .history-list li:last-child dt::before {
	height: 50%;
	top: 0;
}
#conts .history-list li dt .year {
	margin-top: -4px;
	padding-left: 8px;
	width: 110px;
	flex: none;
	position: relative;
	box-sizing: border-box;
}
#conts .history-list li dt .year .point {
	width: 14px;
	height: 14px;
	font-size: 0;
	position: absolute;
	transform: none;
	left: -7px;
	top: 16px;
	z-index: 1;
	content: "";
}
#conts .history-list li dt .year .point::after {
	position: absolute;
	width: 100%;
	height: 100%;
	position: absolute;
	left: 0;
	top: 0;
	background-color: #fff;
	border-radius: 50%;
	content: "";
}
#conts .history-list li dt .year span {
	display: block;
	color: rgba(255, 255, 255, 0.2);
	font-size: 4rem;
	font-weight: 700;
	line-height: 1;	
	transform: scale(0.8,1);
	font-family: var(--en-font);
}
#conts .history-list li.on dt .year span {
	color: #cc0000;
}
#conts .history-list li dt .img {
	flex: 1;
	text-align: center;
}
#conts .history-list li dd {
	padding-top: 2px;
	width: calc(100% - 384px);
}
#conts .history-list li dd .ttl {
	padding-right: 40px;
	position: relative;
	font-size: 2.2rem;
	letter-spacing: 0.06em;
	line-height: 1.8333;
	cursor: pointer;
}
#conts .history-list li dd .ttl::before {
	margin-top: -5px;
	width: 17px;
	height: 17px;
	position: absolute;
	right: 5px;
	top: 50%;
	display: inline-block;
	border-right: 2px solid #cc0000;
	border-bottom: 2px solid #cc0000;  
	transform: translateY(-50%) rotate(45deg);
	transition: 0.3s ease;
	content: "";
}
#conts .history-list li.on dd .ttl::before {
	margin-top: 2px;
	right: 6px;
	transform: translateY(-50%) rotate(225deg);
}
#conts .history-list li dd .ttl sup,
#conts .history-list li dd .hidden-box sup {
	font-size: 1.3rem;
}
#conts .history-list li dd .ttl b {
	color: #cc0000;
	font-weight: 500;
}
#conts .history-list li.on dd .ttl span {
	background: linear-gradient(#b90000,#b90000) 0 100%/0 1px no-repeat;
	background-size: 100% 2px;
}
#conts .history-list li dd .hidden-box {
	display: none;
	margin: 32px 0 -20px;
	padding: 27px 25px 24px;
	position: relative;
	background: #323232;
}
#conts .history-list li dd .hidden-box .close {
	position: absolute;
	right: 0;
	top: -35px;
	width: 30px;
	height: 30px;
}
#conts .history-list li dd .hidden-box .close a {
	position: relative;
	display: block;
	height: 100%;
}
#conts .history-list li dd .hidden-box .close a:before,#conts .history-list li dd .hidden-box .close a:after {
	width: 100%;
	height: 1px;
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%) rotate(45deg);
	background-color: #fff;
	content: "";
}
#conts .history-list li dd .hidden-box .close a:after {
	transform: translate(-50%, -50%) rotate(-45deg);
}
#conts .history-list li:last-child dd .hidden-box {
	margin-bottom: 0;
}
#conts .history-list li dd .hidden-box::after {
	width: 0;
	height: 0;
	position: absolute;
	left: 30px;
	bottom: 100%;
	border-width: 23px 15px 0;
    border-style: solid;
    border-color: #323232 transparent transparent;
	transform: rotate(180deg);
	content: '';
}
#conts .history-list li dd .hidden-box p {
	color: #fff;
	font-size: 1.6rem;
	letter-spacing: 0.1em;
	line-height: 1.625;
}
#conts .history-list li dd .hidden-box .note {
	display: flex;
	gap: 4px;
	font-size: 1.2rem;
}
@media all and (min-width: 768px) {
	#conts .history-list li dd .ttl:hover {
		opacity: 0.7;
	}
	#conts .history-list li dt .img img {
		transform: scale(0.8);
	}
}
@media all and (max-width: 1000px) and (min-width: 768px) {
	#conts .history-list li dd .ttl {
		padding-right: 4vw;
		font-size: 2.4vw;
	}
	#conts .history-list li dt .year span {
		font-size: 5vw;
	}
	#conts .history-list li dt .year .point {
		width: 1.4vw;
		height: 1.4vw;
		left: -0.7vw;
		top: 2.2vw;
	}
	#conts .history-list li dd .ttl::before {
		width: 1.7vw;
		height: 1.7vw;
		right: 0.5vw;
	}
	#conts .history-list li dt {
		width: 40vw;
	}
	#conts .history-list li dt .img {
		width: 27vw;
	}
	#conts .history-list li dd {
		width: calc(100% - 42.4vw);
	}
}
@media all and (max-width: 767px) {
	#conts .body {
		background: linear-gradient( to bottom, rgb(0,0,0) 0%, rgb(0,0,0) 1%, rgb(0,0,0) 1%, rgb(22,22,22) 13%, rgb(44,44,44) 29%, rgb(0,0,0) 52%, rgb(22,22,22) 60%, rgb(44,44,44) 73%, rgb(22,22,22) 88%, rgb(0,0,0) 100%);
	}
	#conts .key-visual {
		margin-bottom: 34px;
	}
	#conts .bg-box {
		padding: 0 0 57px;
		background: none;
	}
	#conts .ttl-box p {
		font-size: 1.6rem;
		text-align: left;
	}
	#conts .ttl-box {
		padding: 0 0 30px;
	}
	#conts .history-list {
		margin: 0 auto;
	}
	#conts .history-list li {
		min-height: inherit;
	}
	#conts .history-list li:not(:last-child) {
		padding-bottom: 21px;
	}
	#conts .history-list li dl {
		display: block;
	}
	#conts .history-list li dt {
		margin-bottom: 15px;
		width: auto;
		justify-content: flex-start;
	}
	#conts .history-list li dt .year {
		margin-top: 4px;
		padding-left: 16px;
		width: 80px;
	}
	#conts .history-list li dt .year .point {
		width: 9px;
		height: 9px;
		left: 5px;
		top: 8px;
	}
	#conts .history-list li.on dt .year .point::after {
		background: #cc0000;
	}
	#conts .history-list li dt .year span {
		font-size: 2.5rem;
	}
	#conts .history-list li dt .img {
		width: calc(100% - 158px);
		max-width: 177px;
	}
	#conts .history-list li dt .img img {
		width: 100%;
	}
	#conts .history-list li dd {
		margin-left: 54px;
		padding-top: 0;
		width: auto;
	}
	#conts .history-list li dd .ttl {
		margin: 0 -10px 9px 0;
		padding: 0 0 30px;
		font-size: 1.8rem;
		line-height: 1.55556;
	}
	#conts .history-list li dd .ttl::before {
		margin: 0 0 0 -28px !important;
		width: 14px;
		height: 14px;
		right: auto !important;
		left: 135px;
		top: auto !important;
		bottom: 0;
		border-width: 1px;  
		transform: rotate(45deg);
	}
	#conts .history-list li.on dd .ttl::before {
		transform: rotate(225deg);
	}
	#conts .history-list li dd .ttl sup,
	#conts .history-list li dd .hidden-box sup {
		font-size: 0.6rem;
	}
	#conts .history-list li.on dd .ttl span {
		background: linear-gradient(#b90000,#b90000) 0 100%/0 1px no-repeat;
		background-size: 100% 2px;
	}
	#conts .history-list li dd .hidden-box {
		margin: 0 0 14px;
		padding: 16px 17px 19px;
	}
	#conts .history-list li dd .hidden-box::after {
		left: 106px;
		bottom: 100%;
		border-width: 12px 8px 0;
	}
	#conts .history-list li dd .hidden-box p {
		font-size: 1.4rem;
		line-height: 1.2857;
	}
	#conts .history-list li dd .hidden-box .note {
		font-size: 1rem;
	}
	#conts .history-list li::before,#conts .history-list li dt::before {
		left: 9px;
	}
	#conts .history-list li dt::before {
		height: calc(100% + 100px);
	}
	#conts .history-list li::before {
		height: calc(100% + 15px);
	}
	#conts .history-list li:last-child:after {
		display: none;
	}
	#conts .history-list li:last-child dt::after {
		width: 0;
		height: 1000px;
		position: absolute;
		left: 9px;
		top: 60px;
		border-left: 1px dashed #fff;
		content: "";
	}
}
@media all and (max-width: 374px) {
	#conts .history-list li dd .ttl {
		font-size: 1.7rem;
	}
	#conts .history-list li dd .ttl::before {
		left: 50%;
		transform: rotate(45deg) translateX(-50%);
	}
	#conts .history-list li dd .hidden-box::after {
		margin-left: -16px;
	}
}