@charset "utf-8";
#tb{
	margin:auto;
	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;
	padding:20px;
}

a.tb_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
	display:block;
}

.tb_pic{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	padding-bottom:100%;
	box-sizing:border-box;
	position:relative;
	border:1px solid #ddd;
}
.tb_name{
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	display:block;
	text-align:center;
	line-height:40px;
	white-space:nowrap;
}