/* Container Card */
        .campaign-wrapper {
            font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
        }

        /* 全体カードコンテナ */
        .card-body {
            max-width: 680px;
            margin: 0 auto 50px auto;
        }
        .price_promai .card-body {
            max-width: 100%;
        }

        /* ----------------------------------
           1. 上部タブエリア (.tab-wrapper)
        ---------------------------------- */
        .tab-wrapper {
            background-color: #ffffff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            margin-bottom: 20px; /* 直下の画像との余白 */
        }

        /* キャンペーンヘッダー */
        .campaign-header {
            background-color: #d32f2f;
            color: #ffffff;
            text-align: center;
            padding: 10px 15px;
            font-size: 20px;
            font-weight: bold;
            letter-spacing: 1px;
        }

        .campaign-header .highlight-date {
            color: #ffeb3b;
            font-size: 28px;
            font-weight: 800;
            margin: 0 4px;
        }

        .campaign-header .slash {
            font-weight: normal;
            margin: 0 6px;
        }

        /* タブナビゲーション */
        .tab-navigation {
            display: flex;
            background-color: #f5f5f5;
            padding-top: 10px;
        }

        .tab-btn {
            flex: 1;
            padding: 14px 5px;
            font-size: 20px;
            font-weight: bold;
            color: #ffffff;
            border: none;
            cursor: pointer;
            text-align: center;
            border-top-left-radius: 12px;
            border-top-right-radius: 12px;
            transition: opacity 0.2s;
            outline: none;
        }

        .tab-btn:hover { opacity: 0.9; }
        .tab-btn-3m { background-color: #e58396; }
        .tab-btn-4m { background-color: #41b87a; }
        .tab-btn-5m { background-color: #2b6cb0; }

        .tab-btn.active {
            margin-top: -6px;
            padding-top: 20px;
            position: relative;
            z-index: 2;
        }

        /* コンテンツ枠 */
        .tab-content-area {
            background-color: #ffffff;
            border-left: 2px solid #e58396;
            border-right: 2px solid #e58396;
            border-bottom: 2px solid #e58396;
            border-bottom-left-radius: 8px;
            border-bottom-right-radius: 8px;
            padding: 30px 20px 25px 20px;
            transition: border-color 0.2s;
        }

        /* 各タブカラーの枠線切替 */
        .tab-wrapper[data-active-tab="3m"] .tab-content-area { border-color: #e58396; }
        .tab-wrapper[data-active-tab="4m"] .tab-content-area { border-color: #41b87a; }
        .tab-wrapper[data-active-tab="5m"] .tab-content-area { border-color: #2b6cb0; }

        .course-content { display: none; }
        .course-content.active { display: block; }

        /* 価格表示 */
        .price-box-simple {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 25px;
        }

        .price-box-discount {
            background-color: #fde8e8;
            border-radius: 12px;
            padding: 20px 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 25px;
        }

        .label-normal {
            border: 1px solid #333333;
            padding: 2px 6px;
            font-size: 13px;
            font-weight: bold;
            background-color: #ffffff;
            white-space: nowrap;
        }

        .label-campaign {
            border: 1px solid #d32f2f;
            color: #d32f2f;
            padding: 2px 6px;
            font-size: 13px;
            font-weight: bold;
            background-color: #ffffff;
            white-space: nowrap;
        }

        .price-strike {
            font-size: 24px;
            font-weight: bold;
            line-height: 1.2;
        }

        .price-strike .tax {
            display: block;
            font-size: 11px;
            font-weight: normal;
            color: #555555;
            text-align: right;
        }

        .arrow-red {
            width: 0;
            height: 0;
            border-top: 15px solid transparent;
            border-bottom: 15px solid transparent;
            border-left: 20px solid #d32f2f;
            margin: 0 5px;
        }

        .price-large {
            color: #d32f2f;
            font-size: 36px;
            font-weight: bold;
            line-height: 1.2;
        }

        .price-large .unit { font-size: 18px; }

        .price-large .tax {
            display: block;
            font-size: 12px;
            font-weight: normal;
            color: #d32f2f;
            text-align: right;
        }

        .discount-badge {
            background-color: #d32f2f;
            color: #ffffff;
            width: 70px;
            height: 70px;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            line-height: 1.1;
            margin-left: 5px;
        }

        .discount-badge .percent { font-size: 20px; }
        .discount-badge .off { font-size: 13px; }

        .note-text {
            text-align: center;
            font-size: 12px;
            color: #333333;
            margin-bottom: 20px;
            font-weight: bold;
        }

        .cta-button-wrapper { text-align: center; }

        .cta-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: #d32f2f;
            color: #ffffff;
            text-decoration: none;
            font-size: 18px;
            font-weight: bold;
            padding: 14px 40px;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15);
            transition: background-color 0.2s, transform 0.1s;
            cursor: pointer;
        }

        .cta-button:hover { background-color: #b71c1c; transform: translateY(-1px); }
        .cta-button .arrow-icon { margin-left: 15px; font-size: 18px; }

        /* ----------------------------------
           2. 直下に配置する連動画像エリア
        ---------------------------------- */
        .bottom-banner-area {
            width: 100%;
        }

        .banner-image {
            display: none;
            width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .banner-image.active {
            display: block;
        }
            /* スマホ向けの微調整（画面幅500px以下の場合） */
@media screen and (max-width: 641px) {
    .campaign-header {
                font-size: 16px;
            }
            .campaign-header .highlight-date {
                font-size: 22px;
            }

            .tab-btn {
                font-size: 16px;
                padding: 12px 2px;
            }

            /* 3ヶ月コース表示全体を縦並び（中央寄せ）に変更 */
            .price-box-discount {
                flex-direction: column;
                gap: 10px;
                padding: 20px 10px;
                position: relative;
            }

            /* 通常価格・期間限定価格エリアをそれぞれ中央配置 */
            .price-box-discount > div {
                align-items: center;
                justify-content: center;
                gap: 8px;
            }

            /* ★ 赤矢印を中央配置＆下向きに変更 ★ */
            .arrow-red {
                border-left: 15px solid transparent;
                border-right: 15px solid transparent;
                border-top: 20px solid #d32f2f;
                border-bottom: none;
                margin: 4px auto;
            }

            /* 丸型バッジの余白調整 */
            .discount-badge {
                margin-left: 0;
                margin-top: 0;
                position: absolute;
                top: 32%;
                right: 5%;
            }

            .cta-button {
                width: 100%;
                font-size: 16px;
                padding: 14px 20px;
            }
            .banner-image.active.pc {
            display: none;
        }
        }

@media screen and (min-width: 642px) {
.banner-image.active.sp {
            display: none;
        }
}