.book-content {
  margin: 120px auto 0;
  padding: 60px 24px 100px;
  max-width: 1280px;
  background: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 60px;
}

.book-cover {
  margin: 0;
  width: 390px;
  height: 575px;
  border: 1px solid #000000;
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book-panel {
  width: 100%;
  max-width: 800px;
  padding: 50px;
  background: #f7f7f8;
}

.book-panel__header {
  padding-bottom: 30px;
  border-bottom: 1px dashed #000000;
}

.book-panel__header h2 {
  margin: 0 0 16px;
  font-family: "Paperozi", sans-serif;
  font-size: 30px;
  font-weight: 600;
  line-height: 48px;
  color: #0e0e10;
}

.book-panel__header p {
  margin: 0;
  font-family: "Pretendard", sans-serif;
  font-size: 18px;
  font-weight: 500;
  line-height: 28px;
  letter-spacing: -0.45px;
  color: rgba(14, 14, 16, 0.9);
}

.book-panel__body {
  margin-top: 50px;
}

.book-panel__body p {
  margin: 0;
  font-family: "Pretendard", sans-serif;
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: -0.45px;
  color: #606061;
}

.book-toc {
  margin-top: 50px;
}

.book-toc h3 {
  margin: 0 0 8px;
  padding-left: 16px;
  font-family: "Paperozi", sans-serif;
  font-size: 18px;
  font-weight: 600;
  line-height: 28px;
  letter-spacing: -0.45px;
  color: rgba(14, 14, 16, 0.9);
}

.book-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.book-toc li {
  padding: 8px 16px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 16px;
}

.book-toc__number {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: #ff740b;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: "Pretendard", sans-serif;
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
  color: #ffffff;
}

.book-toc li span:last-child {
  font-family: "Pretendard", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 28px;
  letter-spacing: -0.44px;
  color: #1e2939;
}

.subpage-actions {
  margin-top: 0;
  padding: 0px 20px;
}

@media (max-width: 1279px) {
  .book-content {
    min-width: 800px;
  }
}

@media (max-width: 799px) {
  .book-content {
    margin-top: 60px;
    padding: 60px 24px 100px;
    min-width: 335px;
    gap: 60px;
  }

  .book-cover {
    width: 100%;
    max-width: 327px;
    height: auto;
    aspect-ratio: 458 / 676;
  }

  .book-panel {
    padding: 28px 20px;
  }

  .book-panel__header h2 {
    font-size: 28px;
    line-height: 1.4;
  }

  .book-panel__header p,
  .book-panel__body p {
    font-size: 16px;
    line-height: 26px;
  }

  .book-toc li span:last-child {
    font-size: 15px;
    line-height: 24px;
  }
}