/* max-width 80rem 用ユーティリティ */
.section__inner--800 {
  max-width: 80rem;
  margin-left: auto;
  margin-right: auto;
}
/* Section Concept (integrated former b-004-media-text) */
.section.section--concept {
  position: relative;
  /* modifier when used for products (legacy .b-004-media-text--products) */

  overflow: hidden;
  .section--concept__item {
    padding: 0;
  }
  .c-heading__area {
    margin-top: 6.3rem; /* already in rem */
    margin-bottom: 2.4rem;
  }
}

.section--concept__back {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: -1;
  width: 100%;
  max-width: 144rem; /* 1440px */
  height: 100%;
}

.section--concept__inner {
  width: min(140rem, 90%); /* 1400px */
  margin: 0 auto;
}

.section--concept__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.section--concept__item {
  display: flex;
  width: 104rem; /* 1040px */
  margin: 0 auto;
  padding: 10rem 2rem 5rem 2rem; /* 100px 20px 50px 20px */
  align-items: flex-start;
  gap: 10.2rem; /* 102px */
  justify-content: space-between;
}

.section--concept__item + .section--concept__item {
  margin-top: min(12vw, 14rem); /* 140px */
}

/* layout direction variants */
.section--concept__item.is-style-right .section--concept__media {
  order: 1;
}
.section--concept__item.is-style-right .section--concept__body {
  order: 2;
}
.section--concept__item.is-style-left .section--concept__media {
  order: 2;
}
.section--concept__item.is-style-left .section--concept__body {
  order: 1;
}

.section--concept__body {
  display: flex;
  width: 40.8rem; /* 408px */
  flex-direction: column;
  align-items: flex-start;
  gap: 3.2rem; /* 32px */
  p {
    line-height: 200%;
    font-size: 1.6rem; /* 16px */
  }
  &.section--concept__body--wide {
    width: 52rem; /* 520px */
  }
}

/* media block (2 images) */
.section--concept__media {
  position: relative;
  max-width: 44rem; /* 440px */
}

.section--concept__mediaMain {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  &.section--concept__mediaMain--square {
    aspect-ratio: 1 / 1;
  }
}

.section--concept__mediaSubWrap {
  position: absolute;
  left: -4.9rem; /* -49px */
  top: calc(100% - 3rem); /* 30px */
  width: 32.8rem; /* 328px */
  flex-shrink: 0;
  aspect-ratio: 325/217;
  img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
}

.section--concept__mediaSub {
  width: 100%;
  display: block;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: #fff;
}

/* Responsive (SP) */
@media (max-width: 768px) {
  .section.section--concept {
    padding: 6rem 2rem;
  } /* 60px */
  .section--concept__inner {
    margin: 0;
    width: 100%;
  }
  .section--concept__media {
    max-width: 100%;
    margin-left: auto;
    margin-right: 0;
    img {
      display: block;
      margin-left: auto;
      margin-right: 0;
      width: 90%;
    }
  }
  .section--concept__item.is-style-right {
    img {
      width: 100%;
    }

    .section--concept__media {
      margin-bottom: 0;
    }
  }
  .section--concept__item {
    display: block;
    width: 100%;
  }
  .section--concept__media {
    margin-bottom: 15.6rem;
  } /* 56px */
  .section--concept__item.is-style-right .section--concept__mediaSubWrap {
    left: 0;
  }
  .section--concept__mediaSubWrap {
    margin-right: auto;
    margin-left: 0;
    left: 0;
    img {
      margin-left: 0;
    }
  }
  .section--concept__body {
    font-size: 1.2rem;
    width: 100%;
    gap: 2.4rem;
    .c-heading__area,
    .c-heading__copy:after {
      left: 50% !important;
      transform: translateX(-50%) !important;
    }
    .c-heading__lead {
      font-size: 2rem;
      text-align: center;
      margin: 1rem auto;
    }
  } /* 12px */
  .section--concept__item + .section--concept__item {
    margin-top: 8rem;
  } /* 120px */
  .section--concept__btnWrap {
    width: 100%;
  }
  .c-btn {
    width: 28rem;
    padding: 2.3rem 2.3rem;
    display: block;
    margin: 0 auto;
  }
}