body{
	background-color: 	rgba(152, 154, 155, 0.88);;
}

#l-main{
	display: flex;
}
#l-2colum-menu{
	position: sticky;
	height: 100vh;
	width: 200px;
	/* background-color: cornflowerblue; */
}
#l-2colum-menu > .b-menu{
	-ms-writing-mode: tb-rl;
	writing-mode: vertical-rl;
	font-size: 20px;
}
#l-2colum-menu > .b-menu ul li{
	list-style: none;
	margin-right: 18px;
}
#l-2colum-menu > .b-menu ul li a{
	position: relative;
	display: inline-block;
	transition: all 1s;
	width: 20px;
	padding-right: 2px;
}
#l-2colum-menu > .b-menu ul li a::after{
	content: '';
	position: absolute;
	left: auto;
	top: auto;
	right: auto;
	left: auto;
	border-bottom: none;

}
#l-2colum-menu > .b-menu ul li a:hover{
	border-right: 1px solid #fff;
}
.sideways{
	color: #fff;
	-webkit-text-orientation: sideways;
	text-orientation: sideways;
	font-size: 14px;
}

.right a:after{
	content: none;
}

#kindai, #sengoku, #muromachi, #sonota{
	margin-bottom: 150px;
}
#kindai > div, #sengoku > div, #muromachi > div, #sonota > div{
	margin-bottom: 25px;
}

img{
	width: 50px;
	height: 50px;
	object-fit: cover;
}

.current{
	color:#0068b7;
}


/* 1023px以下の時表示される */
@media only screen and (max-width:1023px){
	#l-main{
		display: block;
	}
	#l-2colum-menu{
		position: fixed;
		height: auto;
		width: 1rem;
		top: 15%;
		left: 5%;
		/* background-color: cornflowerblue; */
	}
	#l-2colum-menu > .b-menu{
	-webkit-writing-mode:horizontal-tb;
	-ms-writing-mode:lr-tb;
	writing-mode: vertical-rl;
		font-size: 20px;
	}
	#l-2colum-menu > .b-menu ul li{
		list-style: none;
		margin-right: 0;
		margin-bottom: 20px;
	}
	#l-2colum-menu > .b-menu ul li a{
		position: relative;
		display: block;
		transition: all 1s;
		width: 20px;
		padding-right: 2px;
	}
	#l-2colum-menu > .b-menu ul li a::after{
		content: '';
		position: absolute;
		left: auto;
		top: auto;
		right: auto;
		left: auto;
		border-bottom: none;
	
	}
	#l-2colum-menu > .b-menu ul li a:hover{
		border-right: none;
	}
	.sideways{
		display: none;
	}
	.right{
		margin-left: 15%;
	}
}