@charset "utf-8";
#tb{
	margin:auto;
	display: grid;
	grid-template-columns: calc(25% - 30px/4) calc(25% - 30px/4) calc(25% - 30px/4) calc(25% - 30px/4);
	column-gap: 10px;
	row-gap: 10px;
	width: auto;
	height: auto;
	overflow: hidden;
}

.tb_tb{
	display:block;
	overflow:hidden;
	width:auto;
	height:auto;
}
a.tb_pic{
	display:block;
	overflow:hidden;
	margin:auto;
	width:auto;
	height:auto;
	position:relative;
	padding-bottom: 100%;
	border: 1px solid #ddd;
}
a.tb_name{
	width:auto;
	height:auto;
	overflow:hidden;
	margin:auto;
	display:block;
	text-align:center;
}