        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: "Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", sans-serif;
            color: #4a4a4a;
            line-height: 1.8;
        }

        /* ヘッダー */
        header {
            background-color: #efe3c9;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .header-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            height: 45px;
        }

        /* ハンバーガーボタン */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #4a4a4a;
            transition: all 0.3s;
        }

        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(7px, 7px);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        nav a {
            text-decoration: none;
            color: #4a4a4a;
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover {
            color: #e8a87c;
        }

        /* ページヒーロー */
        .page-hero {
            position: relative;
            height: 300px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)), url('../image/image51.png');
            background-size: cover;
            background-position: center;
            text-align: center;
        }

        .page-hero-content h1 {
            font-size: 3rem;
            color: #fff;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .page-hero-content p {
            font-size: 1.2rem;
            color: #fff;
            text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
        }

        /* パンくずリスト */
        .breadcrumb {
            max-width: 1200px;
            margin: 0 auto;
            padding: 1.5rem 2rem;
            font-size: 0.9rem;
        }

        .breadcrumb a {
            color: #e8a87c;
            text-decoration: none;
            transition: opacity 0.3s;
        }

        .breadcrumb a:hover {
            opacity: 0.7;
        }

        .breadcrumb span {
            margin: 0 0.5rem;
            color: #999;
        }

        /* コンテナ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 2rem 5rem;
        }

        /* セクション共通 */
        .section {
            margin-bottom: 5rem;
        }

        .section-title {
            font-size: 2rem;
            color: #e8a87c;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 3px solid #e8a87c;
        }

        .section-intro {
            font-size: 1.1rem;
            line-height: 2;
            margin-bottom: 3rem;
            color: #666;
        }

        /* 会社概要テーブル */
        .company-overview {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .info-table {
            background-color: #fafafa;
            border-radius: 10px;
            overflow: hidden;
        }

        .info-row {
            display: grid;
            grid-template-columns: 140px 1fr;
            border-bottom: 1px solid #e0e0e0;
        }

        .info-row:last-child {
            border-bottom: none;
        }

        .info-label {
            background-color: #f0f0f0;
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            color: #4a4a4a;
        }

        .info-value {
            padding: 1.2rem 1.5rem;
            background-color: #fff;
        }

        /* 地図 */
        .map-container {
            width: 100%;
            height: 100%;
            min-height: 400px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

        /* 沿革 */
        .timeline {
            position: relative;
            padding-left: 3rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background-color: #e8a87c;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 2.5rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -3.6rem;
            top: 0.3rem;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background-color: #e8a87c;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px #e8a87c;
        }

        .timeline-year {
            font-size: 1.3rem;
            font-weight: 600;
            color: #e8a87c;
            margin-bottom: 0.5rem;
        }

        .timeline-content {
            font-size: 1.05rem;
            color: #4a4a4a;
            line-height: 1.8;
        }

        /* フッター */
        footer {
            background-color: #f5f5f5;
            padding: 3rem 2rem;
            text-align: center;
            color: #666;
            margin-top: 4rem;
        }

        footer p {
            margin-bottom: 0.5rem;
        }

        /* モバイル対応 */
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }

            nav {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #fff;
                box-shadow: 0 5px 10px rgba(0,0,0,0.1);
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-in-out;
            }

            nav.active {
                max-height: 300px;
            }

            nav ul {
                flex-direction: column;
                gap: 0;
                padding: 1rem 0;
            }

            nav ul li {
                border-bottom: 1px solid #f0f0f0;
            }

            nav ul li:last-child {
                border-bottom: none;
            }

            nav a {
                display: block;
                padding: 1rem 2rem;
            }

            .page-hero {
                height: 200px;
            }

            .page-hero-content h1 {
                font-size: 2rem;
            }

            .page-hero-content p {
                font-size: 1rem;
            }

            .container {
                padding: 2rem 1.5rem 3rem;
            }

            .company-overview {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .info-row {
                grid-template-columns: 1fr;
            }

            .info-label {
                border-bottom: none;
            }

            .timeline {
                padding-left: 2rem;
            }

            .timeline-item::before {
                left: -2.6rem;
            }

            .section {
                margin-bottom: 3rem;
            }
        }
        
        
        
        
        /* 写真グリッド */
.photo-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 30px;
}

.photo-item {
    text-align: center;
}

.photo-item img {
    width: 90%;
    height: 300px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.photo-caption {
    margin-top: 12px;
    font-size: 16px;
    color: #333;
    font-weight: 500;
}

/* スマホ対応 */
@media (max-width: 768px) {
    .photo-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .photo-item img {
        height: 250px;
    }
}
