/* Mobile reference alignment
 * 430px幅のXD書き出しを基準に、既存コンポーネントの最終的なSP寸法だけを補正する。
 * 構造・CMS連携・PCスタイルには手を入れない。
 */
@media (max-width: 767px) {
  :root {
    --sp-page-gutter: clamp(20px, 7vw, 30px);
    --sp-section-space: clamp(62px, 17vw, 78px);
  }

  /* 共通セクション見出し */
  .features .section-eyebrow,
  .works .section-eyebrow,
  .process-section .section-eyebrow,
  .purpose-list .section-eyebrow,
  .case-archive .section-eyebrow,
  .blog-archive .section-eyebrow,
  .company-page .section-eyebrow {
    display: grid;
    gap: 4px;
  }
  .features .section-eyebrow__en,
  .works .section-eyebrow__en,
  .process-section .section-eyebrow__en,
  .purpose-list .section-eyebrow__en,
  .case-archive .section-eyebrow__en,
  .blog-archive .section-eyebrow__en,
  .company-page .section-eyebrow__en {
    font-size: clamp(30px, 9vw, 38px);
    line-height: 1;
  }
  .features .section-eyebrow__ja,
  .works .section-eyebrow__ja,
  .process-section .section-eyebrow__ja,
  .purpose-list .section-eyebrow__ja,
  .case-archive .section-eyebrow__ja,
  .blog-archive .section-eyebrow__ja,
  .company-page .section-eyebrow__ja {
    font-size: 14px;
    font-weight: 400;
  }

  /* FEATURES */
  .features__bg { height: clamp(240px, 65vw, 280px); }
  .features__inner { padding: var(--sp-section-space) 0 88px; }
  .features .section-eyebrow,
  .features__title { margin-inline: var(--sp-page-gutter); }
  .features__title {
    margin-top: 38px;
    max-width: 370px;
    font-size: 21px;
    line-height: 1.7;
    text-wrap: wrap;
  }
  .features__title br { display: none; }
  .features-card-swiper {
    width: 100vw;
    margin: 0;
    overflow-x: auto;
    overflow-y: hidden;
    overscroll-behavior-x: contain;
    scroll-snap-type: x mandatory;
    scroll-padding-inline: 22px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .features-card-swiper::-webkit-scrollbar { display: none; }
  .features__cards {
    display: flex;
    width: max-content;
    gap: 12px;
    margin-top: 54px;
    padding: 0 22px 4px;
  }
  .feature-card {
    flex-basis: min(334px, calc(100vw - 74px));
    min-height: 380px;
    scroll-snap-align: start;
    scroll-snap-stop: always;
  }
  .feature-card:last-child { scroll-snap-align: end; }

  /* TOP WORKS */
  .works { padding: var(--sp-section-space) 0 76px; }
  .works__inner { padding-inline: var(--sp-page-gutter); }
  .works__head { flex-wrap: nowrap; align-items: flex-start; }
  .works__head-right { margin-top: 2px; }
  .works__title {
    margin-top: 38px;
    max-width: 360px;
    font-size: clamp(22px, 6vw, 26px);
    line-height: 1.65;
  }
  .works__carousel-wrap {
    margin-top: 54px;
    padding-left: var(--sp-page-gutter);
    overflow: hidden;
  }
  .works-swiper { width: 100%; margin: 0; overflow: visible; }
  .work-card { border-radius: 18px; }
  .work-card__body { min-height: 230px; padding: 24px 20px 20px; }

  /* PROCESS */
  .process-section {
    min-height: 0;
    padding: var(--sp-section-space) var(--sp-page-gutter) 80px;
  }
  .process-section h2 {
    margin: 36px 0 52px;
    font-size: clamp(23px, 6.2vw, 27px);
    line-height: 1.65;
  }
  .process-list { gap: 10px; }
  .process-item {
    grid-template-columns: 60px minmax(0, 1fr);
    margin: 0;
    border-radius: 10px;
  }
  .process-item__number { min-height: 60px; font-size: 25px; }
  .process-item > details > summary {
    min-height: 60px;
    grid-template-columns: minmax(0, 1fr) 34px;
  }
  .process-item > details > summary strong { padding-inline: 20px; font-size: 16px; }

  /* 用途一覧 */
  .purpose-list { padding: var(--sp-section-space) 0 90px; }
  .purpose-list .section-eyebrow { margin-inline: var(--sp-page-gutter); }
  .purpose-list__cards { margin-top: 34px; gap: 0; }
  .purpose-list-card { border-radius: 0; box-shadow: none; }
  .purpose-list-card__visual { aspect-ratio: 2 / 1; }
  .purpose-list-card__visual h2 {
    min-width: 70%;
    padding: 9px 28px;
    border-radius: 0 0 24px 0;
    font-size: 16px;
  }
  .purpose-list-card__content { min-height: 238px; padding: 24px 28px 34px; }
  .purpose-list-card__content .purpose-list-card__prompt { margin-bottom: 12px; font-size: 16px; }
  .purpose-list-card__content p { font-size: 13px; line-height: 1.9; }
  .purpose-list-card__link {
    width: min(236px, 100%);
    min-height: 38px;
    margin: 30px auto 0;
    border: 1px solid #222;
    border-radius: 999px;
    justify-content: center;
    color: #222;
  }

  /* 施工事例一覧 */
  .case-archive { padding: var(--sp-section-space) 0 110px; }
  .case-archive .section-eyebrow { margin-inline: var(--sp-page-gutter); }
  .case-filter { margin-top: 30px; }
  .case-filter__body { min-height: 0; }
  .case-grid { gap: 8px; padding: 28px 8px 0; }
  .case-card { border-radius: 8px; box-shadow: none; }
  .case-card__body { min-height: 100px; }
  .case-pagination { margin-top: 82px; }

  /* 施工事例詳細 */
  .case-detail__header,
  .case-points { width: calc(100% - 32px); }
  .case-detail__header { padding-top: 36px; }
  .case-gallery { margin-top: 18px; }
  .case-points { padding: 30px 0 62px; }
  .case-specs div { display: block; }
  .case-specs dt { padding: 13px 0 2px; }
  .case-specs dd { padding: 2px 0 13px; }
  .case-glossary { padding: 58px 16px 24px; }
  .case-related { width: calc(100% - 20px); }
  .case-related__section {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    margin-bottom: 66px;
  }
  .case-related__head { display: contents; }
  .case-related__head h2 {
    grid-row: 1;
    margin: 0 0 18px;
    font-size: 19px;
  }
  .case-related__grid {
    grid-row: 2;
    gap: 10px;
  }
  .case-related__head .link-arrow {
    grid-row: 3;
    justify-self: end;
    margin-top: 26px;
    padding: 0 2px 7px;
    border-bottom: 1px solid #777;
    color: #1a1a1a;
    font-size: 14px;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
  }
  .case-related-card section { min-height: 150px; padding: 12px; }
  .case-related-card section > div { display: none; }

  /* ブログ一覧 */
  .blog-archive { padding: var(--sp-section-space) 0 110px; }
  .blog-archive .section-eyebrow { margin-inline: var(--sp-page-gutter); }
  .blog-pickup { margin-top: 34px; }
  .blog-pickup a { aspect-ratio: 1.28 / 1; }
  .blog-pickup__overlay strong { font-size: 32px; }
  .blog-pickup__overlay h2 { font-size: 18px; }
  .blog-grid { gap: 18px; margin-top: 40px; padding-inline: 18px; }
  .blog-pagination { margin-top: 70px; }

  /* ブログ詳細 */
  .blog-detail { padding: 42px 0 150px; }
  .blog-detail__header,
  .blog-detail__text,
  .blog-detail__columns,
  .blog-detail__navigation,
  .blog-detail__content > :not(.blog-detail__hero):not(.blog-detail__columns) {
    width: calc(100% - 48px);
    margin-inline: auto;
  }
  .blog-detail__header h1 { font-size: 26px; line-height: 1.55; }
  .blog-detail__hero { width: 100%; aspect-ratio: 1.55 / 1; }
  .blog-detail__text p,
  .blog-detail__columns p { font-size: 14px; line-height: 2; }
  .blog-detail__navigation { margin-top: 72px; }

  /* 会社概要 */
  .company-page { padding: var(--sp-section-space) 26px 160px; }
  .company-table { margin-top: 38px; }
  .company-table dt { padding: 13px 0 2px; font-size: 14px; }
  .company-table dd { padding: 2px 0 13px; font-size: 14px; line-height: 1.75; }
  .company-access { margin-top: 58px; }
  .company-access__map { aspect-ratio: 1.36 / 1; }
}

@media (min-width: 768px) and (max-width: 900px) {
  .features__inner { padding-inline: 30px; }
  .features__cards { gap: 14px; }
  .feature-card__ribbon { white-space: normal; }
  .process-section { padding-inline: 30px; }
}