.sample-book {
  padding: 5.208vw 16.666667vw 15.625vw;
  background-color: #f9f9f9;
}
.title-wrapper {
  margin-bottom: 5.208vw;
  text-align: center;
}
.container-title {
  margin-bottom: 0.78125vw;
  font-size: 2.083333vw;
  color: #222;
  line-height: 1.35;
}
.container-description {
  font-size: 1.041667vw;
  line-height: 1;
  font-weight: lighter;
  color: #666;
}
.sample-book-list {
  display: grid;
  justify-content: space-between;
  grid-template-columns: 1fr 1fr;
  gap: 2.083vw;
}
.sample-book-list .sample-book-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 6.25vw;
  padding: 0 2.083vw 0 1.563vw;
  background-color: #fff;
}
.sample-book-list .sample-book-item .icon-pdf {
  flex-shrink: 0;
  width: 3.229vw;
}
.sample-book-list .sample-book-item .sample-book-info {
  flex-grow: 1;
  margin: 0 1.563vw;
  line-height: 1;
}
.sample-book-list .sample-book-item .sample-book-info .title {
  margin-bottom: 0.625vw;
  font-size: 1.042vw;
  color: #333;
}
.sample-book-list .sample-book-item .sample-book-info .date {
  font-size: 1.0729vw;
  color: #666;
}
.sample-book-list .sample-book-item .download-link {
  font-size: 0;
}
.sample-book-list .sample-book-item .download-link:hover .icon-download {
  fill: #016dbf;
}
.sample-book-list .sample-book-item .icon-download {
  flex-shrink: 0;
  width: 1.146vw;
  fill: #666;
}

@media (max-width: 768px) {
  .sample-book {
    padding: 2rem 0;
  }

  .title-wrapper {
    margin-bottom: 1.5rem;
  }
  .container-title {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
  }
  .container-description {
    font-size: 0.8rem;
  }

  .sample-book-list {
    grid-template-columns: 1fr;
    gap: 1rem;
    width: 90%;
    margin: 0 auto;
  }
  .sample-book-list .sample-book-item {
    height: 3rem;
    padding: 0 .4rem;
  }
  .sample-book-list .sample-book-item .icon-pdf {
    width: 1.5rem;
  }
  .sample-book-list .sample-book-item .sample-book-info {
    margin: 0 0.5rem;
  }
  .sample-book-list .sample-book-item .sample-book-info .title {
    margin-bottom: .4rem;
    font-size: .7rem;
    line-height: 1.3;
  }
  .sample-book-list .sample-book-item .sample-book-info .date {
    font-size: .7rem;
  }
  .sample-book-list .sample-book-item .icon-download {
    width: 1rem;
  }
}