main .add_cart .number_item .number_item_updown {
	display:inline-block;
	position:relative;
	width:25px;
	height:25px;
}
main .add_cart .number_item .number_item_updown > a {
	height:15px;
	display:inline-block;
	position:absolute;
	left:0;
}
main .add_cart .number_item .number_item_updown > a.number_item_btn_up { top:5px; }
main .add_cart .number_item .number_item_updown > a.number_item_btn_down { top:20px; }

@media screen and (max-width: 640px) {
h1 {
    margin-top: 30px !important;
}
h3 {
    margin-bottom: -10px !important;
}
.shosai {
    margin-bottom: 20px !important;
}
    }