body {
  margin: 0;
  background-color: #fff;
}

.comic-swiper {
  width: 100vw;
  height: 100vh;
}

.comic-swiper .swiper-wrapper {
  height: 100%;
}

.comic-swiper .swiper-slide {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #fff;
}

.comic-swiper .swiper-slide img {
  width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.back-button {
  position: fixed;
  bottom: 20px;
  left: 20px;
  z-index: 9999;
  background-color: rgba(28, 61, 54, 0.75);
  color: #fff;
  border: none;
  padding: 10px 16px;
  font-size: 1rem;
  border-radius: 6px;
  cursor: pointer;
}

.back-button:hover {
  background-color: #fff;
  color: #1c3d36;
}

.scroll-down-indicator {
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  width: 0;
  height: 0;
  border-left: 16px solid transparent;
  border-right: 16px solid transparent;
  border-top: 20px solid #b89766;
  animation: manga-bounce 1.5s infinite;
  pointer-events: none;
}

@keyframes manga-bounce {
  0%, 100% {
    transform: translate(-50%, 0);
    opacity: .3;
  }
  50% {
    transform: translate(-50%, 10px);
    opacity: .7;
  }
}