.program-page--detail {
  min-height: 100vh;
}

.program-intro,
.about-intro {
  padding: 40px var(--side-padding) 63px;
  font-size: 15px;
  font-weight: 600;
  line-height: 30px;
  letter-spacing: 1.5px;
}

.program-intro p + p,
.about-intro p + p {
  margin-top: 30px;
}

.program-menu {
  width: 100%;
}

.program-menu__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 21px;
  column-gap: 18px;
  align-items: center;
  min-height: 60px;
  padding: 0 var(--side-padding);
  border-top: 1px solid var(--color-line);
  color: var(--color-gray);
  font-size: 15px;
  font-weight: 600;
  line-height: 20px;
  letter-spacing: 1.5px;
}

.program-menu__item::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--color-bg-blue);
  opacity: 0;
  pointer-events: none;
}

.program-menu__item > * {
  position: relative;
  z-index: 1;
}

.program-menu__item:last-child {
  border-bottom: 1px solid var(--color-line);
}

.program-menu__item.is-current::before {
  opacity: 0.8;
}

.program-visual,
.about-visual {
  background: var(--color-bg-blue);
}

.program-detail {
  padding-top: 0;
  padding-bottom: 64px;
}

.program-detail .detail__title {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: var(--header-height);
  text-align: center;
}

.program-detail .detail__title + .program-detail__title-border {
  margin-top: 0;
}

.program-detail__title-border {
  width: 100%;
  height: 1px;
  background: #000;
}

.program-detail__title-border + .detail__body {
  margin-top: 36px;
}

.program-detail .detail__body {
  letter-spacing: 1.35px;
}

.program-detail .detail__image--full img {
  object-position: center 30%;
}

@media (max-width: 850px) {
  .program-page--detail {
    min-height: 0;
  }

  .program-page--overview .program-back,
  .about-page--overview .about-back {
    display: none;
  }

  .program-left__scroll,
  .about-left__scroll {
    order: 3;
    flex: 0 0 auto;
    overflow: visible;
    background: var(--color-bg-white);
  }

  .program-page--detail .program-left__scroll {
    display: none;
  }

  .program-back,
  .about-back {
    order: 2;
    min-height: 60px;
    padding: 0 20px;
    border-bottom: 0;
    background: var(--color-bg-white);
  }

  .program-back__link,
  .about-back__link {
    flex: 0 0 21px;
  }

  .program-back__label,
  .about-back__label {
    display: block;
    margin-left: 19px;
    color: var(--color-cyan);
    font-size: 14px;
    font-weight: 600;
    line-height: 10px;
    letter-spacing: 1.4px;
  }

  .program-back__title,
  .about-back__title {
    position: absolute;
    top: 50%;
    right: 0;
    left: 0;
    display: block;
    transform: translateY(-50%);
    color: #000;
    font-size: 15px;
    font-weight: 600;
    line-height: 30px;
    letter-spacing: 1.5px;
    text-align: center;
    pointer-events: none;
  }

  .program-visual,
  .about-visual {
    order: 2;
    padding: 30px 43px 0;
    background: var(--color-bg-blue);
  }

  .program-visual__image,
  .about-visual__image {
    width: 100%;
    height: 460px;
    min-height: 0;
    object-fit: cover;
    object-position: center center;
  }

  .program-visual[data-visual-slideshow],
  .about-visual[data-visual-slideshow] {
    height: 490px;
    min-height: 0;
  }

  .program-visual[data-visual-slideshow] .program-visual__image,
  .about-visual[data-visual-slideshow] .about-visual__image {
    top: 30px;
    right: auto;
    bottom: auto;
    left: 50%;
    width: calc(100% - 86px);
    height: 460px;
    min-height: 0;
    transform: translateX(-50%);
  }

  .program-intro,
  .about-intro {
    padding: 26px 20px 54px;
    font-size: 15px;
    line-height: 30px;
    letter-spacing: 1.5px;
  }

  .program-menu__item {
    min-height: 0;
    padding-top: 20px;
    padding-bottom: 20px;
    padding-left: 40px;
  }

  .program-detail {
    order: 3;
    padding-top: 26px;
    padding-bottom: 64px;
    background: var(--color-bg-blue);
  }

  .program-detail .detail__image--full {
    width: calc(100% + 40px);
    margin-right: -20px;
    margin-left: -20px;
  }

  .program-detail .detail__image--full img {
    object-position: center 80%;
  }

  .program-detail .detail__title,
  .program-detail__title-border {
    display: none;
  }

  .program-detail__title-border + .detail__body {
    margin-top: 0;
  }
}