.hero-area {
            position: relative;
            background: url('../images/hero_wedding.png') center/cover no-repeat;
            min-height: 540px;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding-top: 50px;
            padding-bottom: 70px;
        }

        /* 白基調の明るいグラデーションオーバーレイ（幸福感を演出） */
        .hero-area::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(to bottom, rgba(255,255,255,0.8) 0%, rgba(255,255,255,0.4) 50%, rgba(255,255,255,0.9) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 100%;
            max-width: 1200px;
            padding: 0 20px;
        }

        .hero-subtitle {
            font-family: var(--font-serif);
            font-size: 1.8rem;
            font-weight: 500;
            color: #222222;
            margin-bottom: 2px;
            letter-spacing: 0.02em;
        }

        .hero-main-title {
            font-family: var(--font-serif);
            font-size: 4.1rem;
            font-weight: 700;
            color: #111111;
            margin-bottom: 12px;
            letter-spacing: 0.05em;
        }

        .hero-caption {
            font-size: 0.95rem;
            font-weight: 700;
            color: #333333;
            margin-bottom: 35px;
        }

        /* 2つの選べる入り口 */
        .entrance-flex {
            display: flex;
            justify-content: center;
            gap: 20px;
            max-width: 980px;
            margin: 0 auto;
        }

        .entrance-box {
            flex: 1;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 12px;
            padding: 35px 20px 40px;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .entrance-box:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .entrance-box.box-rose {
            border: 1px solid rgba(225, 180, 176, 0.85);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 40px rgba(212, 108, 99, 0.1);
        }
        .entrance-box.box-blue {
            border: 1px solid rgba(183, 203, 220, 0.85);
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 40px rgba(83, 129, 177, 0.1);
        }
        .entrance-box.box-rose:hover {
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05), 0 20px 48px rgba(212, 108, 99, 0.15);
        }
        .entrance-box.box-blue:hover {
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05), 0 20px 48px rgba(83, 129, 177, 0.15);
        }

        .box-title {
            font-size: 1.45rem;
            font-weight: 700;
            color: #111111;
            margin-bottom: 6px;
        }

        .box-sub {
            font-size: 0.85rem;
            color: #555555;
            margin-bottom: 25px;
        }

        /* ヒーロー → コンセプト間の波形境界 */
        .hero-wave {
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            line-height: 0;
            z-index: 3;
            pointer-events: none;
        }

        .hero-wave svg {
            display: block;
            width: 100%;
            height: 64px;
        }

        @media (max-width: 768px) {
            .hero-wave svg {
                height: 40px;
            }
        }


        /* ==========================================
           4. 左右スプリットアピールエリア（新コンセプト）
           ========================================== */
        .split-wrap {
            display: flex;
            width: 100%;
        }

        .split-side {
            flex: 1;
            padding: 60px 5% 70px;
            display: flex;
            align-items: center;
            gap: 35px;
        }
        .side-rose { background-color: var(--color-bg-rose); }
        .side-blue { background-color: var(--color-bg-blue); }

        .visual-box {
            width: 40%;
        }
        .visual-img-card {
            background: rgba(255, 255, 255, 0.9);
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--shadow-md);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .visual-img-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .thumb-pic {
            width: 100%;
            aspect-ratio: 4 / 3;
            border-radius: 4px;
            background-size: cover;
            background-position: center;
        }
        .side-rose .thumb-pic { background-image: url('../images/advisor_support.png'); }
        .side-blue .thumb-pic { background-image: url('../images/marketing_tools.png'); }

        .text-box {
            width: 60%;
        }

        .eng-header {
            font-size: 2rem;
            font-weight: 500;
            color: #222222;
            margin-bottom: 15px;
        }

        .jp-desc {
            font-size: 0.95rem;
            color: #333333;
            margin-bottom: 8px;
            font-weight: 500;
            line-height: 1.8;
        }

        /* スマートなテキストリンク */
        .more-link {
            display: inline-block;
            margin-top: 15px;
            font-size: 0.9rem;
            font-weight: 700;
            color: #222;
            border-bottom: 1px solid #222;
            padding-bottom: 2px;
        }
        .more-link:hover {
            color: var(--color-rose-btn);
            border-color: var(--color-rose-btn);
        }


        /* ==========================================
           5. 下部コンテンツ：保守管理＆PC画面
           ========================================== */
        .bottom-section {
            background-color: #f5f6f7;
            padding: 50px 0 40px;
        }

        .bottom-row {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 4%;
            display: flex;
            gap: 60px;
            align-items: center;
        }

        .bottom-left-mock {
            flex: 1;
        }
        /* ノートPC画面に管理画面風のWedding画像をUnsplashから埋め込み */
        /* ノートPC画面に管理画面風の画像を埋め込み */
        .tablet-mock-frame {
            background: #ffffff;
            border: 10px solid #2b2c2d;
            border-radius: 12px;
            aspect-ratio: 16 / 10;
            width: 100%;
            background-image: url('../images/dashboard_mockup.png');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-lg);
        }

        .bottom-right-content {
            flex: 1;
        }

        .bottom-title {
            font-size: 1.8rem;
            font-weight: 500;
            color: #222222;
            margin-bottom: 20px;
        }

        .minimal-table {
            width: 100%;
            border-collapse: collapse;
        }
        .minimal-table tr {
            border-bottom: 1px solid #d0d2d3;
        }
        .minimal-table td {
            padding: 12px 0;
            font-size: 0.95rem;
        }
        .minimal-table td.name { font-weight: 500; color: #333; }
        .minimal-table td.price { font-weight: 700; text-align: right; color: #111; }


        /* ==========================================
           6. フッターエリア＆LINE連携パーツ
           ========================================== */


        .concept-section {
            background-color: #fdfcfb;
            padding: 50px 4% 90px;
            text-align: center;
            position: relative;
        }

        .concept-container {
            max-width: 960px;
            margin: 0 auto;
        }

        .concept-title {
            font-family: var(--font-serif);
            font-size: var(--font-size-heading-lg);
            font-weight: 700;
            color: #111111;
            margin-bottom: 28px;
            position: relative;
            display: inline-block;
            letter-spacing: 0.08em;
        }

        .concept-lead {
            font-size: 1.25rem;
            font-weight: 700;
            color: #c95c52;
            line-height: 1.8;
            margin-bottom: 40px;
            letter-spacing: 0.05em;
        }

        /* コンセプト3カラムハイライト */
        .concept-highlights {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 45px;
            text-align: center;
        }

        .concept-highlight-item {
            background: #ffffff;
            border: 1px solid #f0e8e2;
            border-radius: 12px;
            padding: 28px 18px 24px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .concept-highlight-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .concept-icon {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 1.1rem;
            font-weight: 700;
        }

        .concept-icon-rose {
            background: rgba(212, 108, 99, 0.12);
            color: var(--color-rose-btn);
        }

        .concept-icon-blue {
            background: rgba(83, 129, 177, 0.12);
            color: var(--color-blue-btn);
        }

        .concept-icon-gold {
            background: rgba(201, 162, 98, 0.15);
            color: #a8843a;
        }

        .concept-highlight-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #222222;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }

        .concept-highlight-desc {
            font-size: 0.82rem;
            color: #666666;
            line-height: 1.7;
        }

        .concept-body {
            font-size: 0.98rem;
            color: #484a4c;
            line-height: 2.1;
            text-align: justify;
            text-justify: inter-ideograph;
            letter-spacing: 0.05em;
        }

        @media (max-width: 768px) {
            .concept-section {
                padding: 40px 24px 60px;
            }
            .concept-title {
                font-size: var(--font-size-heading-lg);
            }
            .concept-lead {
                font-size: 1.1rem;
            }
            .concept-highlights {
                grid-template-columns: 1fr;
                gap: 14px;
                margin-bottom: 32px;
            }
            .concept-highlight-item {
                display: flex;
                align-items: center;
                gap: 16px;
                text-align: left;
                padding: 18px 20px;
            }
            .concept-icon {
                margin: 0;
                flex-shrink: 0;
                width: 44px;
                height: 44px;
                font-size: 0.95rem;
            }
            .concept-highlight-text {
                flex: 1;
            }
            .concept-body {
                font-size: 0.92rem;
                line-height: 1.9;
                text-align: left;
            }
        }



        @media (max-width: 992px) {
            .hero-area { min-height: auto; padding-bottom: 55px; }
            .hero-main-title { font-size: 2.8rem; }
            .entrance-flex { flex-direction: column; padding: 0 15px; gap: 15px; }
            .split-wrap { flex-direction: column; }
            .split-side {
                width: 100%;
                padding: 40px 20px;
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
            .visual-box {
                width: 80%;
                max-width: 320px;
                margin: 0 auto;
            }
            .text-box {
                width: 100%;
            }
            .bottom-row { flex-direction: column; gap: 30px; }
            .bottom-left-mock { width: 100%; max-width: 500px; }
        }