/* base */
.mt-0	{ margin-top: 0;}
.mt-xs	{ margin-top: 20px;}
.mt-md	{ margin-top: 40px;}
.mt-lg	{ margin-top: 80px;}
.mt-xl	{ margin-top: 160px;}
.mr-0	{ margin-right: 0;}
.mr-xs	{ margin-right: 5px;}
.mr-md	{ margin-right: 20px;}
.mr-lg	{ margin-right: 40px;}
.mr-xl	{ margin-right: 80px;}
.mb-0	{ margin-bottom: 0;}
.mb-05em	{ margin-bottom: 0.5em;}
.mb-1em	{ margin-bottom: 1em;}
.mb-xs	{ margin-bottom: 10px;}
.mb-s	{ margin-bottom: 20px;}
.mb-md	{ margin-bottom: 40px;}
.mb-lg	{ margin-bottom: 80px;}
.mb-xl	{ margin-bottom: 160px;}
.ml-0	{ margin-left: 0;}
.ml-08em	{ margin-left: 0.8em;}
.ml-xs	{ margin-left: 5px;}
.ml-md	{ margin-left: 20px;}
.ml-lg	{ margin-left: 40px;}
.ml-xl	{ margin-left: 80px;}

.pt-xs	{padding-top:20px;}
.pt-md	{padding-top:40px;}
.pt-lg	{padding-top:60px;}
.pt-xl	{padding-top:80px;}
.pb-0	{padding-bottom:0px;}
.pb-xs	{padding-bottom:20px;}
.pb-md	{padding-bottom:40px;}
.pb-lg	{padding-bottom:60px;}
.pb-xl	{padding-bottom:80px;}
.pl-0	{padding-left:0px;}
.pl-xs	{padding-left:20px;}
.pl-md	{padding-left:40px;}
.pl-lg	{padding-left:60px;}
.pl-xl	{padding-left:80px;}
.pr-0	{padding-right:0px;}
.pr-xs	{padding-right:20px;}
.pr-md	{padding-right:40px;}
.pr-lg	{padding-right:60px;}
.pr-xl	{padding-right:80px;}


img{max-width:100%;}

	
/*layout*/
.nb_row{
	display:flex;
	flex-wrap: wrap;
}
.nb_row.spacebetween{justify-content:space-between;}
.nb_row.aligncenter{align-items:center;}
.nb_row.reverse{flex-flow: row-reverse;}
.nb_row.start{justify-content:flex-start;}
.nb_row.end{justify-content:flex-end;}
.nb_row.center{justify-content:center;}
.nb_row.flexend{align-items:flex-end;}
.nb_row.wrap{flex-wrap:wrap;}


/*contents*/
#nb_kidsshoes{
font-family: "Noto Sans JP", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Helvetica Neue", "メイリオ", "Meiryo", "Helvetica", Helvetica, Arial, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
box-sizing:border-box;
}