.cta__pc {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 50;
  display: flex;
  flex-direction: column;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease-out;
}

.cta__pc.active {
  opacity: 1;
  visibility: visible;
}

.cta__go-to-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
  -webkit-filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.2));
  border-radius: 50%;
  overflow: hidden;
  will-change: filter;
  transform: translateZ(0);
}

.cta__go-to-top svg {
  width: 100%;
  height: 100%;
}

.progress-circle {
  transition: stroke-dashoffset 0.1s linear;
}

@media (max-width: 639.98px) {
  .cta__pc {
    right: 0.5rem;
    bottom: 2rem;
  }

  .cta__go-to-top {
    width: 2.35713rem;
    height: 2.35713rem;
    filter: drop-shadow(0 3.143px 9.429px rgba(0, 0, 0, 0.1));
  }
}