.page-bottom-jump{
  position:fixed;
  right:max(14px,env(safe-area-inset-right));
  bottom:max(16px,calc(env(safe-area-inset-bottom) + 12px));
  z-index:80;
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  padding:0;
  border:1px solid rgba(75,82,98,.16);
  border-radius:999px;
  background:rgba(255,255,255,.78);
  color:#4b5262;
  box-shadow:0 6px 20px rgba(40,45,58,.12);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  opacity:.38;
  cursor:pointer;
  touch-action:manipulation;
  transition:opacity .16s ease,transform .16s ease,background .16s ease;
}

.page-bottom-jump span{
  display:block;
  font:600 22px/1 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic",sans-serif;
  transform:translateY(-1px);
}

.page-bottom-jump:hover,
.page-bottom-jump:focus-visible,
.page-bottom-jump:active,
.page-bottom-jump.is-pressed{
  opacity:.94;
  background:rgba(255,255,255,.94);
  transform:translateY(1px);
}

.page-bottom-jump:focus-visible{
  outline:2px solid currentColor;
  outline-offset:3px;
}

.page-bottom-jump.is-at-bottom{
  opacity:0;
  pointer-events:none;
  transform:translateY(6px);
}

@media(prefers-reduced-motion:reduce){
  .page-bottom-jump{transition:none}
}