.bg-triangle{display:block;overflow:hidden;pointer-events:none;position:absolute;top:60vh;width:100%}.bg-triangle__item{display:block;height:92vw;mix-blend-mode:multiply;position:relative;transform:matrix(1,0,-.55,1,0,0);transform-origin:100% 0;width:49.8666666667vw;z-index:-1}.bg-triangle__item:nth-child(odd){background:linear-gradient(to bottom,var(--bgt-color-odd),hsla(0,0%,95%,0));right:-100%}.bg-triangle__item:nth-child(2n){background:linear-gradient(to top,var(--bgt-color-even),hsla(0,0%,95%,0));left:0}.bg-triangle__item:first-child{z-index:1}.bg-triangle__item[data-fade]:nth-child(odd){background:linear-gradient(to bottom,var(--bgt-color-odd) 50%,var(--bgt-fade-color))}.bg-triangle__item[data-fade]:nth-child(2n){background:linear-gradient(to top,var(--bgt-color-even) 50%,var(--bgt-fade-color))}.bg-triangle.bgt-hidden{display:none}@media (max-width:767px){.bg-triangle.bgt-pc-only{display:none}}@media (min-width:768px){.bg-triangle.bgt-sp-only{display:none}.bg-triangle{top:30vh}.bg-triangle__item{height:1286px;width:700px}}@media (min-width:1200px){.bg-triangle{top:160px}}.bg-triangle.bgt-base-page{top:calc(60vh - 22.08vw)}@media (min-width:768px){.bg-triangle.bgt-base-page{top:calc(30vh - 175px)}}@media (min-width:1200px){.bg-triangle.bgt-base-page{top:35px}}