@charset "utf-8";
#tb{
	display:grid;
	grid-template-columns:calc(33.3% - (30px/3)) calc(33.3% - (30px/3)) calc(33.3% - (30px/3));
	column-gap:15px;
	row-gap:15px;
	width:auto;
	height:auto;
	margin:auto;
	overflow:hidden;
}
@media (max-width:767px){#tb{grid-template-columns:calc(50% - (10px/2)) calc(50% - (10px/2));}}
@media (max-width:480px){#tb{grid-template-columns:auto;}}
.tb_item{
	width:auto;
	height:auto;
	overflow:hidden;
	overflow:hidden;
	display:block;
}
a.tb_tb{
	width:auto;
	height:100%;
	overflow:hidden;
	display:block;
	margin:auto;
	background-color:#fff;
	border:1px solid #ddd;
	transition:all 0.4s;
	box-sizing:border-box;
}
a.tb_tb:hover{
	border:1px solid #0262b8;
}
.tb_pic{
	width:auto;
	height:auto;
	padding-bottom:100%;
	overflow:hidden;
	display:block;
	margin:auto;
	position:relative;
}
.tb_name{
	width:auto;
	height:auto;
	display:block;
	margin:auto;
	overflow:hidden;
	text-align:center;
	padding:10px;
	font-size:1.2rem;
	line-height:1.5;
}