/* 背景イメージ（コスパcontents、ジーストアcontainer）*/
#contents,
#container,
#contents_center{
background: repeating-linear-gradient(-60deg, transparent, transparent 5px, rgba(255,255,255,.2) 5px, rgba(255,255,255,.2) 20px), linear-gradient(to top, #ffffff, #6fdbff);
}