.page-jump-nav {
  position: fixed;
  z-index: 60;
  top: 50%;
  right: clamp(10px, 1.5vw, 24px);
  display: grid;
  gap: 8px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-50%) translateX(10px);
  transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms;
}

.page-jump-nav.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(0);
  transition-delay: 0s;
}

.page-jump-button {
  display: grid;
  width: 68px;
  height: 68px;
  place-items: center;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, .72);
  border-radius: 50%;
  color: rgba(255, 255, 255, .88);
  background: transparent;
  box-shadow: 0 2px 10px rgba(7, 9, 10, .14), inset 0 0 0 1px rgba(7, 9, 10, .08);
  font-family: "Courier New", Courier, monospace;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .08em;
  line-height: 1.05;
  text-align: center;
  text-shadow: 0 1px 6px rgba(7, 9, 10, .35);
  text-transform: uppercase;
  cursor: pointer;
  transform: rotate(var(--page-jump-rotation, 0deg)) scale(1);
  transition: color 160ms ease, background-color 160ms ease, opacity 160ms ease, transform 180ms ease;
}

.page-jump-button[hidden] {
  display: none;
}

.page-jump-button span {
  display: block;
  max-width: 54px;
}

.page-jump-button:hover,
.page-jump-button:focus-visible {
  color: #fff;
  background: transparent;
  transform: rotate(var(--page-jump-rotation, 0deg)) scale(1.06);
}

.page-jump-button:focus-visible {
  outline: 1px solid rgba(255, 255, 255, .72);
  outline-offset: -3px;
}

@media (max-width: 620px) {
  .page-jump-nav {
    right: 8px;
  }

  .page-jump-button {
    width: 58px;
    height: 58px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-jump-nav,
  .page-jump-button {
    transition: none;
  }
}