#watchbelt_size {
	width: 100%;
	max-width:800px;
	margin:3.0em auto 3.0em auto;
}
#watchbelt_a .watchbelt_g { display:none; }
#watchbelt_g .watchbelt_a { display:none; }
#watchbelt_g .watchbelt_g { display:block; }
#watchbelt_a .watchbelt_a { display:block; }

#watchbelt_size .watchbelt_size_list {
	margin:3.0em auto 3.0em auto;
}
#watchbelt_size h1 {
	font-size:16px;
	font-weight:normal;
}
#watchbelt_size .watchbelt_size_list > ul {
	display:flex;
	flex-wrap:wrap;
	border:1px solid #666;
}
#watchbelt_size .watchbelt_size_list > ul > li.series_size {
	padding:0em 0;
}
#watchbelt_size .watchbelt_size_list > ul > li,
#watchbelt_size ul > li.series_size > ul > li {
	box-sizing:border-box;
	padding:0.5em 0;
}
#watchbelt_size .watchbelt_size_list > ul > li > span,
#watchbelt_size .watchbelt_size_list > ul > li.series_size > ul > li > span {
	width:95%;
	display:block;
	margin:0 auto;
}
#watchbelt_size .watchbelt_size_list > ul > li.ttl {
	width:50%;
	background:#eee;
	border-bottom:1px solid #666;
}
#watchbelt_size ul > li.ttl:nth-of-type(1),
#watchbelt_size ul > li.series_size > ul:nth-of-type(2n-1) {
	border-right:1px solid #666;
}
#watchbelt_size ul > li.series_size {
	width:100%;
	display:flex;
	flex-wrap:wrap;
}
#watchbelt_size ul > li.series_size > ul {
	width:50%;
	display:flex;
	flex-direction:column;
	flex-wrap:wrap;
	border-bottom:1px solid #666;
}
#watchbelt_size ul > li.series_size > ul:nth-last-of-type(1),
#watchbelt_size ul > li.series_size > ul:nth-last-of-type(2) {
	border-bottom:0px solid #666;
}
#watchbelt_size ul > li.series_size > ul > li {
	width:100%;
	position:relative;
}
#watchbelt_size ul > li.series_size > ul > li:nth-of-type(1) {
	border-bottom:1px solid #eee;
}


@media only screen and (max-width: 849px) {
}