/* below 1400px */
@media (max-width: 88em) {
}

/* below 1200px */
@media (max-width: 75em) {
  html {
    font-size: 56.25%;
  }
  .hero {
    display: none;
  }
  .hero-mobile {
    display: block;
    position: relative;
    text-align: center;
    letter-spacing: 0.3rem;
    font-size: 2rem;
    line-height: 1.7;
  }
  .chap-boxes {
    margin-left: 2.4rem;
    margin-right: 2.4rem;
  }
  .hero-intro {
    margin: 0 auto;
    margin-top: 2.4rem;
    margin-left: 2.4rem;
    margin-right: 2.4rem;
  }
  .navi-bar-grid {
    margin-left: 2.4rem;
  }
}

/* below 1120px */
@media (max-width: 70em) {
  .hero-intro {
    padding-right: 15rem;
  }
  .hero-intro-more {
    right: 2rem;
  }
  .chap-pic {
    top: -9rem;
    left: 50%;
    transform: translateX(-50%);
  }
  .chap-pic-right {
    right: auto;
  }
  .chap-title-flex,
  .chap-title-flex-start {
    justify-content: center;
    margin-top: 15rem;
  }
  .chap-title-flex-03,
  .chap-title-flex-04 {
    margin-top: 22rem;
  }
  .chap-title-flex-05 {
    margin-top: 26rem;
  }
  .chap-boxes {
    max-width: 90rem;
    margin: 0 auto;
  }
  .chap-box {
    padding-bottom: 3.2rem;
  }
  .chapter-book-grid,
  .chapter-book-grid-3 {
    max-width: 70rem;
    grid-template-columns: repeat(2, 1fr);
    row-gap: 0;
    margin: 0 auto;
  }
  .chapter-book-grid-3 {
    row-gap: 2.4rem;
  }
  .chap-title-flex-featured {
    margin-top: 0;
  }
  .span-column {
    grid-column: 1 / span 2;
  }
  .chap-box-skin {
    padding-left: 3.2rem;
    padding-right: 3.2rem;
  }
}

/* below 944px */
@media (max-width: 59em) {
  html {
    font-size: 50%;
  }
}

/* below 752px */
@media (max-width: 47em) {
  .chap-boxes {
    margin-left: 2.4rem;
    margin-right: 2.4rem;
  }
}

/* below 704px */
@media (max-width: 44em) {
  .hero-title-img {
    width: 95%;
  }
  .chap-title-img {
    height: 15rem;
  }
  .chap-title-featured-img {
    height: 7rem;
  }
  .chap-title-img-note {
    height: 10rem;
  }
  .promotion-box {
    max-width: 60rem;
    grid-template-columns: 1fr;
    gap: 2.4rem;
    row-gap: 2.4rem;
  }
  .promotion-gifts {
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }
  .promotion-more-link {
    justify-self: center;
  }
}

/* below 544px */
@media (max-width: 34em) {
  .section-hero {
    padding-bottom: 9rem;
  }
  .hero-pic-img {
    height: auto;
    width: 95%;
  }
  .hero-date-box {
    margin-left: 2.4rem;
    margin-right: 2.4rem;
  }
  .hero-promotion-grid {
    padding-left: 2.4rem;
    padding-right: 2.4rem;
    grid-template-columns: 1fr;
  }
  .hero-promotion-text,
  .promotion-text-sm {
    letter-spacing: 0;
  }
  .hero-intro {
    padding: 2rem;
    padding-bottom: 7rem;
  }
  .hero-intro-more {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
    bottom: -7rem;
  }
  .navi-bar-img {
    height: 10rem;
  }
  .chap-box {
    border: solid 0.8rem #1e953c;
    border-radius: 5rem;
  }
  .chap-pic-img {
    width: 30rem;
  }
  .chap-pic-img-05 {
    width: 38rem;
  }
  .chap-title-flex {
    display: flex;
    flex-direction: column;
  }
  .chap-title-flex,
  .chap-title-flex-start {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 12rem;
  }
  .chap-title-flex-03,
  .chap-title-flex-04 {
    margin-top: 17rem;
  }
  .chap-title-flex-05 {
    margin-top: 20rem;
  }
  .chap-title-flex-featured {
    margin-top: 0;
  }
  .chap-title {
    display: none;
  }
  .chap-title-mb {
    display: block;
  }
  .chap-title-img {
    height: 12rem;
  }
  .chap-title-featured-img {
    height: 7rem;
  }
  .chap-title-img-note {
    height: 9rem;
  }
  .chapter-book-grid {
    gap: 0;
  }
  .book-box {
    width: 20rem;
    padding: 2rem 0;
    justify-self: center;
  }
  .book-img {
    height: 20rem;
  }
  .book-img-hor {
    height: 16rem;
  }
  .circle-img {
    width: 20rem;
  }
  .chapter-book-grid-3 {
    gap: 2rem;
  }
  .chap-box-skin {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  .classic-img {
    width: 16rem;
  }
}
/* below 448px */
@media (max-width: 28em) {
}