/* 無筋擁壁設計システム 商品案内ページ */
              .productWrap {
                width: 700px;
                max-width: 95%;
                margin: 0 auto 30px;
                color: #444;
                line-height: 1.75;
                font-size: 95%;
              }

              .productHero {
                margin: 0 0 22px 0;
                padding: 20px 22px;
                background: #f4f8fc;
                border: 1px solid #dbe6f0;
                border-left: 6px solid #1d4f91;
                border-radius: 5px;
              }

              .productHeroLabel {
                margin: 0 0 6px 0;
                color: #4f6f8f;
                font-size: 13px;
                letter-spacing: 0.08em;
              }

              .productHero h2 {
                margin: 0;
                color: #1d4f91;
                font-size: 26px;
                line-height: 1.4;
                font-weight: bold;
              }

              .productHeroLead {
                margin: 10px 0 0 0;
                color: #333;
                font-size: 15px;
                line-height: 1.8;
              }

              .productLeadBox {
                margin: 0 0 22px 0;
                padding: 15px 18px;
                background: #f7fbff;
                border: 1px solid #cfe3f6;
                border-left: 5px solid #4a90d9;
                border-radius: 4px;
              }

              .productLeadBox p {
                margin: 0 0 8px 0;
              }

              .productLeadBox p:last-child {
                margin-bottom: 0;
              }

              .productSectionTitle {
                margin: 24px 0 14px;
                padding: 9px 14px;
                color: #23415f;
                font-size: 17px;
                font-weight: bold;
                background: #eef5fb;
                border-left: 5px solid #4a90d9;
                border-radius: 4px;
              }

              .productCard {
                margin: 0 0 16px 0;
                padding: 16px 18px;
                background: #fff;
                border: 1px solid #d6e6f2;
                border-radius: 6px;
              }

              .productCard p {
                margin: 0 0 10px 0;
              }

              .productCard p:last-child {
                margin-bottom: 0;
              }

              .productSubTitle {
                margin: 14px 0 10px 0;
                padding: 6px 10px;
                color: #23415f;
                font-size: 15px;
                font-weight: bold;
                background: #f0f6ff;
                border-left: 4px solid #4a90d9;
              }

              .productImageLead {
                margin: 0 0 16px 0;
                text-align: center;
              }

              .productImageLead img {
                max-width: 100%;
                height: auto;
                border: 1px solid #ddd;
              }

              .productFeatureList {
                margin: 0;
                padding-left: 1.5em;
              }

              .productFeatureList li {
                margin: 0 0 10px 0;
              }

              .productFeatureList li:last-child {
                margin-bottom: 0;
              }

              .featureTitle {
                color: #1d4f91;
                font-weight: bold;
              }

              .imageArea {
                margin: 14px 0 4px;
                text-align: center;
              }

              .imageArea img {
                max-width: 100%;
                height: auto;
                border: 1px solid #ddd;
              }

              .imageCaption {
                margin: 6px 0 0 0;
                color: #666;
                font-size: 90%;
                text-align: center;
              }

              .productTable {
                width: 100%;
                border-collapse: collapse;
                margin: 0;
              }

              .productTable th,
              .productTable td {
                border: 1px solid #d6e6f2;
                padding: 10px 12px;
                vertical-align: top;
              }

              .productTable th {
                width: 30%;
                color: #23415f;
                background: #eef5fb;
                text-align: left;
                font-weight: bold;
              }

              .priceText {
                color: #1d4f91;
                font-size: 110%;
                font-weight: bold;
              }

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

              .downloadList li {
                margin: 0 0 8px 0;
              }

              .downloadList a {
                display: block;
                padding: 9px 12px;
                color: #1f5f8b;
                font-weight: bold;
                text-decoration: none;
                background: linear-gradient(to bottom, #ffffff, #eef8ff);
                border: 1px solid #9fd0ef;
                border-radius: 5px;
              }

              .downloadList a:hover {
                background: #eaf6ff;
                text-decoration: underline;
              }

              .noteBox {
                margin-top: 12px;
                padding: 10px 12px;
                color: #174a78;
                background: #f3fbff;
                border-left: 4px solid #4a90d9;
                border-radius: 3px;
                font-size: 92%;
              }

              .seoText {
                margin-top: 18px;
                color: #555;
                font-size: 92%;
              }

              @media screen and (max-width: 572px) {
                .productWrap {
                  width: 95%;
                  font-size: 95%;
                }

                .productHero h2 {
                  font-size: 22px;
                }

                .productTable th,
                .productTable td {
                  display: block;
                  width: auto;
                }
              }
              .imageAreaRow {
                display: flex;
                gap: 16px;
                margin-top: 14px;
                align-items: flex-start;
              }

              .imageAreaRow .imageArea:first-child {
                width: 30%;
                margin: 0;
              }

              .imageAreaRow .imageArea:last-child {
                width: 20%;
                margin: 0;
              }

              .campaignClosedNotice {
                margin: 0 0 18px 0;
                padding: 12px 16px;
                color: #9b1c1c;
                font-size: 18px;
                font-weight: bold;
                text-align: center;
                background: #fff4f4;
                border: 1px solid #e6bcbc;
                border-left: 6px solid #c94b4b;
                border-radius: 5px;
              }              

              .imageAreaRow .imageArea img {
                width: 100%;
                height: auto;
                display: block;
              }

              /* 画面幅が狭い場合は上下並びに戻す */
              @media screen and (max-width: 640px) {
                .imageAreaRow {
                  display: block;
                }

                .imageAreaRow .imageArea {
                  width: 100%;
                  margin-top: 12px;
                }
              }