/* curriculum（カリキュラム枠）を最大高さ＋スクロールにする */
              .takumi-5step-growth .right .curriculum ul {
                max-height: 210px;
                /* 好みで調整：180〜260pxあたりが使いやすい */
                overflow-y: auto;
                padding-right: 8px;
                /* スクロールバーと文字の干渉を避ける */
              }

              /* スクロールバーの見た目（任意：WebKit系） */
              .takumi-5step-growth .right .curriculum ul::-webkit-scrollbar {
                width: 10px;
              }

              .takumi-5step-growth .right .curriculum ul::-webkit-scrollbar-track {
                background: #eaf0f7;
              }

              .takumi-5step-growth .right .curriculum ul::-webkit-scrollbar-thumb {
                background: #b7c7da;
                border-radius: 10px;
                border: 2px solid #eaf0f7;
              }

              .takumi-5step-growth .right .curriculum ul::-webkit-scrollbar-thumb:hover {
                background: #9fb4cd;
              }

              /* 5-STEP成長設計 専用スタイル (about/index.htmlの他のスタイルへ影響しないようスコープ化) */
              .takumi-5step-growth {
                --ink: #111827;
                --muted: #6b7280;
                --line: #e5e7eb;
                --paper: #ffffff;
                --shadow: 0 0px 5px rgba(0, 0, 0, .08);
                --radius: 0;

                --s1: #e8f3ff;
                --s2: #eaf7ef;
                --s3: #f3efff;
                --s4: #fff6e8;
                --s5: #ffecef;
                margin-top: 30px;
              }

              .takumi-5step-growth * {
                box-sizing: border-box;
              }

              .takumi-5step-growth .wrap {
                max-width: 1200px;
                margin: 0 auto;
                padding: clamp(16px, 3vw, 36px);
                display: flex;
                flex-direction: column;
                gap: 18px;
                font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
                color: var(--ink);
                background: #f6f7fb;
                border-radius: var(--radius);
              }

              .takumi-5step-growth .header_5step {
                background: var(--paper);
                border: 1px solid var(--line);
                border-radius: var(--radius);
                padding: clamp(18px, 2.4vw, 28px);
                box-shadow: var(--shadow);
              }

              .takumi-5step-growth .header_5step h3 {
                margin: 0;
                font-size: clamp(22px, 2.2vw, 34px);
                letter-spacing: .02em;
                font-weight: bold;
              }

              .takumi-5step-growth .header_5step p {
                margin: 10px 0 0 0;
                color: var(--muted);
                font-size: 15px;
                line-height: 1.8;
                max-width: 70ch;
              }

              .takumi-5step-growth .process-intro {
                margin-top: 24px;
                padding-top: 20px;
                border-top: 1px solid var(--line);
              }

              .takumi-5step-growth .process-intro-lead {
                font-weight: bold;
                margin-bottom: 16px;
                font-size: 16px;
                color: var(--ink);
              }

              .takumi-5step-growth .process-intro-list {
                list-style: none;
                padding: 0;
                margin: 0;
                display: flex;
                flex-wrap: wrap;
                gap: 12px;
              }

              .takumi-5step-growth .process-intro-list li {
                display: block;
                padding: 0;
                background: #f9fafb;
                border: 1px solid var(--line);
                border-radius: var(--radius);
                font-size: 14px;
                transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
              }

              .takumi-5step-growth .process-intro-list li:hover {
                background: #fff;
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
                border-color: #005A9C;
              }

              .takumi-5step-growth .process-intro-list li a {
                display: flex;
                align-items: center;
                padding: 10px 14px;
                text-decoration: none;
                color: inherit;
                gap: 10px;
                width: 100%;
                height: 100%;
              }

              .takumi-5step-growth .process-intro-list .step-label {
                font-weight: bold;
                font-size: 13px;
                color: var(--muted);
                letter-spacing: 0.05em;
              }

              .takumi-5step-growth .process-intro-list .step-title {
                font-family: "Noto Serif CJK JP", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "MS PMincho", serif;
                font-weight: bold;
                font-size: 1.35em;
                color: #005A9C;
                /* 標語をアクセントカラー（清水建設ブルー系）に */
                letter-spacing: 0.08em;
                margin: 0 4px 0 2px;
                line-height: 1;
              }

              .takumi-5step-growth .process-intro-list .step-chip {
                font-size: 12px;
                color: var(--muted);
              }

              .takumi-5step-growth .hero {
                background: var(--paper);
                border: 1px solid var(--line);
                border-radius: var(--radius);
                padding: clamp(18px, 2.4vw, 28px);
                box-shadow: var(--shadow);
              }

              .takumi-5step-growth .hero .lead {
                margin: 0;
                color: var(--muted);
                font-size: 15px;
                line-height: 1.9;
              }

              .takumi-5step-growth .hero .callout {
                margin-top: 14px;
                padding: 14px 16px;
                border-left: 4px solid #111827;
                background: #f9fafb;
                border-radius: 0;
                font-size: 15px;
                line-height: 1.75;
              }

              /* Steps stack */
              .takumi-5step-growth .steps {
                display: flex;
                flex-direction: column;
                gap: 14px;
              }

              .takumi-5step-growth .step {
                background: var(--paper);
                border: 1px solid var(--line);
                border-radius: var(--radius);
                overflow: hidden;
                box-shadow: var(--shadow);
              }

              .takumi-5step-growth .step .accent {
                height: 10px;
                width: 100%;
              }

              .takumi-5step-growth .step .row {
                display: grid;
                grid-template-columns: 1fr 360px;
                /* 左：ラベルと説明 / 右：写真とカリキュラム */
                gap: 24px;
                padding: 18px;
                align-items: start;
              }

              .takumi-5step-growth .left .label {
                margin: 0;
                font-size: 20px;
                font-weight: bold;
                line-height: 1.35;
                font-family: "Noto Serif CJK JP", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "MS PMincho", serif;
              }

              .takumi-5step-growth .left .chip {
                display: inline-flex;
                margin-top: 10px;
                font-size: 12px;
                padding: 6px 10px;
                border-radius: 0;
                border: 1px solid rgba(0, 0, 0, .10);
                background: #fff;
                color: #111827;
              }

              .takumi-5step-growth .left .copy {
                margin: 18px 0 0 0;
                font-size: 26px;
                /* 文字を大きく */
                line-height: 1.5;
                font-family: "Noto Serif CJK JP", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "MS PMincho", serif;
                font-weight: normal;
                letter-spacing: 0.05em;
                color: #0b111a;
                /* さらに黒を立たせて力強く */
              }

              .takumi-5step-growth .mid {
                margin-top: 24px;
              }

              .takumi-5step-growth .mid .emotional {
                margin: 0 0 16px 0;
                font-size: 15px;
                line-height: 1.8;
                color: #2b3342;
                font-family: "Noto Serif CJK JP", "Noto Serif JP", "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "MS PMincho", serif;
              }

              .takumi-5step-growth .mid .meaning {
                margin: 0;
                font-size: 15px;
                line-height: 1.9;
                color: var(--ink);
              }

              .takumi-5step-growth .mid .uni {
                margin: 10px 0 0 0;
                font-size: 14px;
                line-height: 1.8;
                color: var(--muted);
              }

              /* Right: photo rail */
              .takumi-5step-growth .right {
                border-left: 1px dashed var(--line);
                padding-left: 18px;
                display: flex;
                flex-direction: column;
                gap: 12px;
              }

              .takumi-5step-growth .right .rail-title {
                margin: 0;
                font-size: 13px;
                letter-spacing: .06em;
                color: var(--muted);
                text-transform: uppercase;
              }

              .takumi-5step-growth .photo-grid {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 10px;
              }

              .takumi-5step-growth figure {
                margin: 0;
                border: 1px solid var(--line);
                border-radius: 0;
                overflow: hidden;
                background: #fff;
              }

              .takumi-5step-growth figure img {
                width: 100%;
                height: 120px;
                object-fit: cover;
                display: block;
                background: #eef2ff;
              }

              .takumi-5step-growth figcaption {
                padding: 8px 10px;
                font-size: 12px;
                color: var(--muted);
                line-height: 1.5;
                font-weight: normal;
              }

              .takumi-5step-growth .right .curriculum {
                margin-top: 16px;
                background: #f4f7fb;
                border: 1px solid #dce4ed;
                border-radius: 6px;
                padding: 16px;
              }

              .takumi-5step-growth .right .curriculum h4 {
                margin: 0 0 12px 0;
                font-size: 14px;
                color: #1D2A75;
                font-weight: bold;
                display: flex;
                align-items: center;
                gap: 8px;
                border-bottom: 1px dashed #bac7d5;
                padding-bottom: 8px;
              }

              /* カリキュラムの見出しに本のアイコンを付与 */
              .takumi-5step-growth .right .curriculum h4::before {
                content: "";
                display: inline-block;
                width: 18px;
                height: 18px;
                background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231D2A75' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M2 3h6a4 4 0 0 1 4 4v14a3 3 0 0 0-3-3H2z'/%3E%3Cpath d='M22 3h-6a4 4 0 0 0-4 4v14a3 3 0 0 1 3-3h7z'/%3E%3C/svg%3E");
                background-size: contain;
                background-repeat: no-repeat;
              }

              .takumi-5step-growth .right .curriculum ul {
                margin: 0;
                padding: 0;
                font-size: 13px;
                line-height: 1.7;
                list-style-type: none;
              }

              .takumi-5step-growth .right .curriculum li {
                margin: 8px 0 0 0;
                padding-left: 1.4em;
                position: relative;
                color: #111827;
              }

              /* 丸ぽっちを三角の矢印に変更 */
              .takumi-5step-growth .right .curriculum li::before {
                content: '';
                position: absolute;
                left: 2px;
                top: 0.6em;
                width: 0;
                height: 0;
                border-style: solid;
                border-width: 4px 0 4px 5px;
                border-color: transparent transparent transparent #1D2A75;
              }

              /* ネストULの見た目（STEP2の下位項目用） */
              .takumi-5step-growth .right .curriculum li ul {
                margin-top: 8px;
                padding-left: 0;
              }

              .takumi-5step-growth .right .curriculum li ul li {
                margin-top: 6px;
                padding-left: 1.4em;
                color: #111827;
              }

              /* color hooks */
              .takumi-5step-growth .s1 .accent,
              .takumi-5step-growth .s2 .accent,
              .takumi-5step-growth .s3 .accent,
              .takumi-5step-growth .s4 .accent,
              .takumi-5step-growth .s5 .accent {
                background: var(--s4);
              }

              /* Responsive */
              @media (max-width: 980px) {
                .takumi-5step-growth .step .row {
                  grid-template-columns: 1fr;
                }

                .takumi-5step-growth .right {
                  border-left: none;
                  padding-left: 0;
                  border-top: 1px dashed var(--line);
                  padding-top: 14px;
                }

                .takumi-5step-growth figure img {
                  height: 160px;
                }
              }