/*headerとの間隔調整*/
.common_imggroup{
	margin-bottom: 12rem !important;
}
/*大枠*/
.his-box{
	width: 111rem;
	margin: 0 auto;
}
/* ボタン関連	 */
.his-select{
	box-sizing: border-box;
	display: inline-block;
	margin-bottom: 1.5rem;
	border: .1rem solid var(--lightgray);
	padding: 1rem;
	width: 12rem;
	text-align: center;
	cursor: pointer;
}
hr{
	display: none;
}
input[type="radio"]{
	display: none;
	background-color: var(--accent-color1);
}
input[type="radio"]:hover+label,
input[type="radio"]:checked+label{
	border: .1rem solid var(--accent-color1);
	color: var(--white);
	background-color: var(--accent-color1);
}
/*コンテンツ*/

.his-contents{
	position: relative;
	display: flex;
	flex-flow: column;
	margin: 0 auto;
	margin-top: 5rem;
	padding-bottom: 10rem;
	width: 80rem;
	height: 100%;
}
.his-contents li{
	position: relative;
	display: none;
	margin-bottom: 1rem;
	width: 80rem;
	opacity:0;
	animation-name:	fadeDownAnime;
	animation-duration:	.8s;
	animation-fill-mode:	forwards;
}
/*アニメーション関係*/
@keyframes fadeDownAnime{
	from {
		opacity: 0;
		transform: translateY(-10rem);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}
/*コンテンツ*/
.his_contents_block{
	margin-top: -2.5rem;
	margin-left: 10rem;
	padding: 2rem;
	width: 60rem;
}
.his_contents_block p{
	width: 26rem;
}
.history_ad{
	font-size: 2.5rem;
}
.history_ad,
.history_jc{
	width: 10rem;
	text-align: center;
}
.history_ad::after{
	content: "年";
}
.history_jc::before{
	content: "（";
}
.history_jc::after{
	content: "年）";
}
/* 中央線 */
.his-contents::after {
	content: "";
	position: absolute; 
	top: 0;
	left: 50%;
	width: .2rem; 
	height: 100%;
	background-color: var(--gray); 
}
/* 左側のコンテンツ */
.his-contents li:nth-child(2n-1) .his_contents_block::before{
	content: "";
	position: absolute;
	top: 3.5rem;
	left: 10rem;
	border: .1rem solid var(--gray);
	width: 30rem;
}
.his-contents li:nth-child(2n-1) .his_contents_block::after{
	content: "";
	position: absolute;
	top: 2.8rem;
	left: 10rem;
	width: 1.5rem;
	height: 1.5rem;
	background-color: var(--main-color1);
	transform: rotate(45deg);
}
.history_event{
	margin-bottom: 1rem;
}
.his_sub_title{
	margin-bottom: .5rem;
	text-transform: capitalize;
	font-size: 2rem;
	font-weight: bold;
	letter-spacing: .2rem;
}
.evt.his_sub_title{
	color: var(--main-color1);
}
.spt.his_sub_title{
	color: var(--accent-color1);
}
/* 右側のコンテンツ */
.his-contents li:nth-child(2n) .his_title_block{
	display: flex;
	align-items: flex-end;
	flex-flow: column;
}
.his-contents li:nth-child(2n) .his_contents_block{
	display: flex;
	align-items: flex-end;
	flex-flow: column;
	text-align: start;
}
.his-contents li:nth-child(2n) .his_contents_block::before{
	content: "";
	position: absolute;
	top: 3.5rem;
	right: 10rem;
	border: .1rem solid var(--gray);
	width: 30rem;
}
.his-contents li:nth-child(2n) .his_contents_block::after{
	content: "";
	position: absolute;
	top: 2.8rem;
	right: 10rem;
	width: 1.5rem;
	height: 1.5rem;
	background-color: var(--main-color1);
	transform: rotate(45deg);
}
@media screen and ( max-width:1108px ) {
	.his-box,
	.his-contents,
	.his-contents li,
	.his_title_block{
		width: 73.8rem;
	}
	.his_contents_block p{
		width: 22.9rem;
	}
	.his_contents_block{
		width: 53.8rem;
	}
	.his-contents li:nth-child(2n-1) .his_contents_block::before,
	.his-contents li:nth-child(2n) .his_contents_block::before{
		width: 26.9rem;
	}
}
@media screen and ( max-width : 799px ) {
	.his-box{
		width: 37.5rem;
	}
	.his-contents,
	.his-contents li,
	.his_title_block{
		width: 32rem;
	}
	.his_contents_block{
		width: 20rem;
	}
	.his_contents_block p{
		width: 16rem;
	}
	.his-contents::after {
		left: 90%;
	}
	.his-contents li:nth-child(2n) .his_title_block,
	.his-contents li:nth-child(2n) .his_contents_block{
		align-items: flex-start;
	}
	.his-contents li:nth-child(2n-1) .his_contents_block::before,
	.his-contents li:nth-child(2n) .his_contents_block::before{
		top: 2.5rem;
		left: 10rem;
		width: 18.8rem;
	}
	.his-contents li:nth-child(2n-1) .his_contents_block::after,
	.his-contents li:nth-child(2n) .his_contents_block::after{
		top: 1.9rem;
		left: 10rem;
	}
	.history_ad{
		font-size: 1.8rem;
	}
}
@media screen and ( max-width : 375px ) {
	.his-box{
		width: 36rem;
	}
	.his-select:nth-of-type(odd){
		margin-left: 6rem;
	}
}