#instructor-index {
  padding-block: 2.4rem 18rem;
  .inner {
    width: 1100px;
  }
  .breadcrumb {
    margin-bottom: 5rem;
  }
  .pageHead {
    margin-bottom: 4.6rem;
  }
  .instructor__intro {
    font-size: 2rem;
    line-height: 1.75;
    font-weight: 600;
    margin-bottom: 2.4em;
  }
  .instructor__select {
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    width: fit-content;
    padding: 0.8em 4em 0.8em 1em;
    border: 1px solid #444;
    border-radius: 0.25em;
    background-color: #fff;
    background-image: linear-gradient(to bottom, transparent 12%, #444 12%, #444 88%, transparent 88%), url(../img/instructor/index/instructor_select_arrow.svg);
    background-repeat: no-repeat, no-repeat;
    background-position: right 3em center, right 1.2em center;
    background-size: 1px 100%, 0.7em;
    font-size: 2rem;
    color: #333;
    cursor: pointer;
    outline: none;
  }
  .instructor__select:focus {
    border-color: #007cba;
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.2);
  }
  .instructor__select_list {
    justify-content: center;
    column-gap: 0.8rem;
    margin-bottom: 8rem;
  }
  .instructor__list {
    gap: 8rem 4.24242424%;
    justify-content: flex-start;
  }
  .instructor__list_item {
    width: 21.81818182%;
  }
  .instructor__list_item_thumbnail_link {
    display: block;
    margin-bottom: 1.2rem;
  }
  .instructor__list_item_thumbnail {
    max-width: none;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
  }
  .instructor__list_item_title {
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 0.3em;
  }
  .instructor__list_item_title_link {
    display: block;
  }
  .instructor__list_item_list {
    justify-content: flex-start;
    &:where(.--genre) {
      color: var(--color-orange);
    }
  }
  .instructor__list_item_list_item {
    margin-right: 1.4rem;
    position: relative;
    &:has(+ .instructor__list_item_list_item) {
      &::before {
        content: '/';
        position: absolute;
        left: calc(100% + 0.7rem);
        transform: translate(-50%, -50%);
        top: 50%;
      }
    }
  }
  @media screen and (max-width: 767px) {
    padding-block: 18vw;
    .pageHead {
      margin-bottom: 8vw;
    }
    .instructor__intro {
      font-size: 1.4rem;
      line-height: 1.96;
      margin-bottom: 1.8em;
      padding-inline: 5vw;
    }
    .instructor__select_list {
      column-gap: 1.2vw;
      margin-bottom: 17vw;
    }
    .instructor__select {
      font-size: 1.3rem;
    }
    .instructor__list {
      gap: 9.6vw 3.5%;
    }
    .instructor__list_item {
      width: 31%;
    }
    .instructor__list_item_title {
      font-size: 1.4rem;
      margin-bottom: 0.7em;
    }
    .instructor__list_item_list_item_link {
      font-size: 1.1rem;
      line-height: 1.5;
    }
    .instructor__list_item_thumbnail_link {
      margin-bottom: 1.8vw;
    }
    .instructor__list_item_list_item {
      line-height: 0.8;
      &:has(+ .instructor__list_item_list_item) {
        &::before {
          font-size: 70%;
        }
      }
    }
  }
}