@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4)) calc(25% - (60px/4));
	column-gap:20px;
	row-gap:20px;
	width:auto;
	height:auto;
	margin:auto;
	overflow:hidden;
	margin-top:20px;
	margin-bottom:20px;
}
@media (max-width:767px){
	#tb{
		grid-template-columns:calc(50% - (10px/2)) calc(50% - (10px/2));
		column-gap:10px;
		row-gap:10px;
		padding:10px;
	}
}
.tb_item{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
}
a.tb_tb{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
}
.tb_pic{
	width:auto;
	height:auto;
	overflow:hidden;
	display:block;
	margin:auto;
	position:relative;
	padding-bottom:100%;
	border:1px solid #ddd;
}
.tb_name{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	text-align:center;
	padding:5px;
	font-size:14px;
}