.o-totop{text-align:right;position:fixed;z-index:500;inset-inline-end:0;inset-block-end:0;max-inline-size:1680px;margin-inline:auto;padding-inline:clamp(1rem,4vw,8rem);padding-block-end:2rem;opacity:0;transition:opacity .4s ease-in-out}@media screen and (min-width: 1440px){.o-totop{padding-block-end:2.5rem}}.o-totop .a-button{margin-inline-end:0;margin-block-end:0}.o-totop:focus-within{opacity:1}.o-totop--active{opacity:1}