.plane{width:50%;visibility:hidden;pointer-events:none}.plane:nth-child(2n){margin-left:auto}.container__head,.container__foot{position:relative;height:100vh}.container__box{position:absolute;top:50%;transform:translateY(-50%)}.container__ttl{font-size:min(10rem + 12.5*(var(--vw, 1vw)*100 - 1280px)/320,11.25rem);color:#fff;font-weight:bold}.container__arrow{color:#fff;font-size:min(6rem + 7.5*(var(--vw, 1vw)*100 - 1280px)/320,6.75rem);white-space:pre-line;padding-left:min(var(--vw, 1vw)*100/1280*100,125px)}