@charset "utf-8";

/* --------------------------------------------------------------
 .inner
 -------------------------------------------------------------- */
#single_page {
	width: 680px;
	float: left;
	margin-right: 40px;
}
@media only screen and (max-width: 768px){
	#single_page{
		width: 100%;
		float: none;
		margin: 0 auto;
	}
}
/* --------------------------------------------------- -----------
 .topic
 -------------------------------------------------------------- */
.topics_text{
	width: 100%;
}

.back,.next{
	float: left;
	margin: 20px 0;
	padding: 4px 30px;
	color: #0058dc;
	font-weight: bold;
	background: #bde5ff;
}
.next{
	float: right;
}
.topics_ul{
	padding: 0;
}
.topics_ul li::after{
	display: none;
}
.date_box{
	padding:0 0 10px 0; 
}
/* --------------------------------------------------- -----------
 sidenav
 -------------------------------------------------------------- */
.sidenav{
	width: 240px;
	float: right;
}
.sidenav_ttl{
	padding: 10px;
	color: #09f;
	font-weight: bold;
	text-align: center;
	background: #bde5ff;
}
@media only screen and (max-width: 768px){
	.sidenav{
		width: 100%;
		float: none;
		margin-top: 50px;
	}
}