@charset "UTF-8";

    /*<!-- ============================================================
         [修正追加] サステナビリティについての取組 (4カード横並び) / ESG・統合報告書 ボタン用CSS
         ※ 1rem = 10px 前提 (html { font-size: 62.5%; } が適用済みの想定)
         ※ 最終的には ct-top.css または専用CSSに移動させることを推奨
         ============================================================ -->*/

      /* --- 「サステナビリティについての取組」 4カード横並び --- */
      .ct-sus-topics {
        padding: 10rem 2rem;
        background: #ffffff;
      }
      .ct-sus-topics-inner {
        max-width: 128rem;
        margin: 0 auto;
      }
      .ct-sus-topics-title {
        font-size: 3.2rem;
        font-weight: 700;
        text-align: left;
        margin-bottom: 5rem;
        line-height: 1.4;
        color: #222222;
      }
      .ct-sus-topics-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 3rem;
      }
      .ct-sus-card {
        display: flex;
        flex-direction: column;
      }
      .ct-sus-card-photo {
        width: 100%;
        aspect-ratio: 4 / 3;
        overflow: hidden;
        margin-bottom: 2rem;
      }
      .ct-sus-card-photo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        display: block;
      }
      .ct-sus-card-title {
        font-size: 2.4rem;
        font-weight: 700;
        margin-bottom: 2rem;
        text-align: center;
        color: #222222;
      }
      .ct-sus-card-list {
        list-style: none;
        padding: 0;
        margin: 0;
      }
      .ct-sus-card-list li {
        margin-bottom: 1rem;
      }
      .ct-sus-card-list li a {
        display: inline-block;
        color: #0a4d8c;
        font-size: 1.5rem;
        line-height: 1.6;
        text-decoration: none;
        padding-left: 1.6rem;
        position: relative;
      }
      .ct-sus-card-list li a::before {
        content: "›";
        position: absolute;
        left: 0;
        top: 0;
        color: #0a4d8c;
        font-weight: 700;
      }
      .ct-sus-card-list li a:hover {
        text-decoration: underline;
      }
      /* タブレット: 2×2グリッド */
      @media (max-width: 1024px) {
        .ct-sus-topics-grid {
          grid-template-columns: repeat(2, 1fr);
          gap: 4rem 3rem;
        }
      }
      /* スマホ: 1カラム縦積み */
      @media (max-width: 767px) {
        .ct-sus-topics {
          padding: 6rem 2rem;
        }
        .ct-sus-topics-title {
          font-size: 2.4rem;
          margin-bottom: 3rem;
        }
        .ct-sus-topics-grid {
          grid-template-columns: 1fr;
          gap: 4rem;
        }
        .ct-sus-card-title {
          font-size: 2rem;
        }
      }

      /* --- ESG / 統合報告書 2カラムボタン --- */
      .ct-sustainability-links {
        padding: 8rem 2rem;
        background: #ffffff;
      }
      .ct-sus-links-inner {
        display: flex;
        gap: 3rem;
        max-width: 120rem;
        margin: 0 auto;
      }
      a.ct-sus-link-btn {
        flex: 1 1 0;
        display: flex;
        align-items: center;
        justify-content: center;
        min-height: 14rem;
        padding: 3rem 2rem;
        color: #ffffff;
        font-size: 2.2rem;
        font-weight: 700;
        text-align: center;
        text-decoration: none;
        line-height: 1.5;
        border-radius: 0.6rem;
        transition: opacity 0.2s ease, transform 0.2s ease;
      }
      a.ct-sus-link-btn:hover {
        opacity: 0.85;
        transform: translateY(-0.2rem);
      }
      a.ct-sus-link-esg {
        background: #2d8a3e; /* サイト既存の緑色系に合わせて要調整 */
      }
      a.ct-sus-link-report {
        background: #0a4d8c; /* サイト既存の青色系に合わせて要調整 */
      }
      .ct-sus-link-label {
        display: inline-block;
      }
      @media (max-width: 767px) {
        .ct-sustainability-links {
          padding: 5rem 2rem;
        }
        .ct-sus-links-inner {
          flex-direction: column;
          gap: 2rem;
        }
        a.ct-sus-link-btn {
          min-height: 10rem;
          font-size: 1.8rem;
        }
      }