:root {
            --primary-color: #ffffff;
            --secondary-color: #000000;
            --text-color: #333333;
            --light-text: #666666;
        }

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

        body {
            font-family: 'Noto Sans JP', sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--primary-color);
        }

        h1, h2, h3, h4, h5 {
            font-weight: 700;
            color: var(--secondary-color);
        }

        .container {
            width: 90%;
            max-width: 1000px;
            margin: 0 auto;
        }

        .section {
            padding: 60px 0;
        }

        .section-title {
        text-align: center;
        font-size: 2rem;
        position: relative;
        }

        .section-subtitle {
        text-align: center;
        font-size: 1rem;
        color: var(--light-text);
        margin-bottom: 40px;
        font-weight: 400;
        }

        /* Header Styles */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: var(--secondary-color);
            z-index: 1000;
            padding: 15px 0;
        }

        .header .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
        }

        .nav ul {
            display: flex;
            list-style: none;
        }

        .nav ul li {
            margin-left: 30px;
        }

        .nav ul li a {
            text-decoration: none;
            color: var(--primary-color);
            font-weight: 500;
            font-size: 0.95rem;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            background: none;
            border: none;
            cursor: pointer;
        }

        .hamburger span {
            width: 25px;
            height: 2px;
            background-color: var(--primary-color);
            margin: 3px 0;
            transition: 0.3s;
        }

        /* 追加 */
                /* 既存のスタイルは変更せず、以下のスタイルを追加 */

        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            color: var(--primary-color);
        }

        .logo-img {
            height: 40px;
            margin-right: 10px;
            /* filter: brightness(0) invert(1);  */
        }


        /* Main Visual (Image Slideshow) */
        .image-slider {
            position: relative;
            height: 100vh;
            overflow: hidden;
            /* margin-top: 40px; */
        }

        .image-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease;
            background-size: cover;
            background-position: center;
        }

        .image-slide.active {
            opacity: 1;
        }

        .slide-content {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            color: var(--primary-color);
            background-color: rgba(0, 0, 0, 0.6);
            padding: 20px 30px;
            max-width: 600px;
        }

        .slide-content h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: var(--primary-color);
        }

        .slide-content p {
            font-size: 1.1rem;
            font-weight: 400;
        }

        .slider-controls {
            position: absolute;
            top: 50%;
            width: 100%;
            display: flex;
            justify-content: space-between;
            transform: translateY(-50%);
            padding: 0 20px;
        }

        .slider-controls button {
            /* background-color: rgba(0, 0, 0, 0.5); */
            border: none;
            color:transparent;
            font-size: 1.5rem;
            width: 50px;
            height: 50px;
            cursor: pointer;
        }

        .slider-dots {
            position: absolute;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
        }

        .slider-dots .dot {
            width: 12px;
            height: 12px;
            background-color: rgba(255, 255, 255, 0.5);
            margin: 0 6px;
            cursor: pointer;
        }

        .slider-dots .dot.active {
            background-color: var(--primary-color);
        }

        /* Products Section */

    /* Products Section */
    #products {
        background-color: #f9f9f9;
    }
    .products-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .product-item {
        display: flex;
        align-items: center;
        padding: 15px;
        border: 1px solid #eee;
        background-color: #ffffff;
    }

    .product-icon {
        width: 60px; /* 固定幅 */
        height: 60px; /* 固定高さ */
        display: flex;
        justify-content: center;
        align-items: center;
        /* flex-shrink: 0;  */
        margin-right: 15px;
        border: 1px solid #eee;
    }

    .product-icon img {
        width: 100%;
        height: 100%;
    }

    .product-info {
        flex: 1;
    }

    .product-item h3 {
        font-size: 1rem;
        margin-bottom: 5px;
    }

    .product-item p {
        color: var(--light-text);
        font-size: 0.9rem;
        line-height: 1.4;
    }





    /* About Us Section Styles */
    .about-content {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        align-items: center;
    }
    
    .about-text {
        flex: 1;
        min-width: 300px;
    }
    
    .about-text h3 {
        font-size: 1.5rem;
        margin-bottom: 20px;
        color: var(--secondary-color);
    }
    
    .about-text p {
        margin-bottom: 15px;
        line-height: 1.8;
        color: var(--text-color);
    }
    
    .about-image {
        flex: 1;
        min-width: 300px;
    }
    
    .about-image img {
        width: 100%;
        height: auto;
        /* border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); */
    }
    

    
    @media (max-width: 768px) {
        .about-content {
            flex-direction: column;
        }
        
        .about-text, .about-image {
            width: 100%;
        }
    }

        /* Strengths Section */
        .strengths-content {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .strength-item {
            flex: 1;
            min-width: 250px;
            max-width: 350px;
        }

        .strength-image {
            height: 200px;
            background-size: cover;
            background-position: center;
            margin-bottom: 15px;
        }

        .strength-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .strength-item p {
            color: var(--light-text);
        }

    /* Company Info Section Styles Update */
        /* Company Info Section Styles Update */
    .company-content {
        display: flex;
        flex-wrap: wrap;
        gap: 40px;
        align-items: flex-start;
    }
    
    .company-info {
        flex: 1;
        min-width: 300px;
    }
    
    .company-info-details {
        display: flex;
        flex-direction: column;
        gap: 15px;
    }
    
    .info-item {
        display: flex;
        align-items: flex-start;
        padding-bottom: 15px;
        border-bottom: 1px solid #eee;
    }
    
    .info-item:last-child {
        border-bottom: none;
    }
    
    .info-item h4 {
        font-size: 1.1rem;
        margin-right: 15px;
        color: var(--secondary-color);
        min-width: 100px;
        flex-shrink: 0;
    }
    
    .info-item p {
        color: var(--light-text);
        line-height: 1.6;
        margin: 0;
    }
    
    .map-container {
        flex: 1;
        min-width: 300px;
        height: 400px;
    }
    
    @media (max-width: 768px) {
        .company-content {
            flex-direction: column;
        }
        
        .company-info, .map-container {
            width: 100%;
        }
        
        .info-item {
            flex-direction: column;
        }
        
        .info-item h4 {
            margin-bottom: 5px;
            min-width: auto;
        }
    }

        @media (max-width: 992px) {
        .products-grid {
            grid-template-columns: 1fr;
        }
    }

/* お問い合わせフォーム */



    /* Contact Section Styles */
    .contact {
        background-color: #f9f9f9;
    }
    
    .contact-form {
        max-width: 600px;
        margin: 0 auto;
        background: white;
        padding: 30px;
    }
    
    .form-group {
        margin-bottom: 20px;
    }
    
    .form-group label {
        display: block;
        margin-bottom: 8px;
        font-weight: 500;
        color: var(--text-color);
    }
    
    .form-group input,
    .form-group textarea {
        width: 100%;
        padding: 12px 15px;
        border: 1px solid #ddd;
        border-radius: 4px;
        font-family: 'Noto Sans JP', sans-serif;
        font-size: 0.95rem;
        transition: border-color 0.3s;
    }
    
    .form-group input:focus,
    .form-group textarea:focus {
        outline: none;
        border-color: var(--secondary-color);
    }
    
    .required {
        color: #e74c3c;
    }
    
    /* ボタンを中央に配置するためのコンテナ */
    .form-button-container {
        display: flex;
        justify-content: center;
        margin-top: 20px;
    }
    
    .submit-btn {
        background-color: var(--secondary-color);
        color: white;
        border: none;
        padding: 12px 40px;
        font-size: 1rem;
        font-weight: 500;
        cursor: pointer;
        transition: background-color 0.3s, transform 0.2s;
    }
    
    .submit-btn:hover {
        background-color: #333;
        transform: translateY(-2px);
    }
    
    .submit-btn:active {
        transform: translateY(0);
    }
    
    .form-result {
        margin-top: 20px;
        padding: 10px;
        border-radius: 4px;
        display: none;
        text-align: center;
    }
    
    .success {
        background-color: #d4edda;
        color: #155724;
        display: block;
    }
    
    .error {
        background-color: #f8d7da;
        color: #721c24;
        display: block;
    }
    
        /* Footer */
        .footer {
            background-color: var(--secondary-color);
            color: var(--primary-color);
            padding: 50px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-info h3 {
            font-size: 1.5rem;
            color: var(--primary-color);

        }

        .footer-info p {
            margin-bottom: 15px;
        }

        .footer-info address p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }

        .footer-info i {
            margin-right: 10px;
            color: var(--primary-color);
        }

        .footer-links h4 {
            margin-bottom: 15px;
            font-size: 1.1rem;
            color: var(--primary-color);
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 8px;
        }

        .footer-links ul li a {
            color: var(--primary-color);
            text-decoration: none;
            font-size: 0.9rem;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
        }

        .footer-logo-img {
            height: 30px;
            margin-right: 10px;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .products-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            
            .nav {
                position: fixed;
                top: 60px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 60px);
                background-color: var(--secondary-color);
                transition: left 0.3s;
                padding: 20px 0;
            }
            
            .nav.active {
                left: 0;
            }
            
            .nav ul {
                flex-direction: column;
                padding: 20px;
            }
            
            .nav ul li {
                margin: 15px 0;
            }
            
            .hamburger {
                display: flex;
            }
            
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(7px, -6px);
            }
            
            .slide-content {
                width: 90%;
                padding: 15px;
            }
            
            .slide-content h2 {
                font-size: 1.6rem;
            }
            
            /* .product-item {
                flex-direction: column;
                text-align: center;
            }
            
            .product-icon {
                width: 100%;
                margin-bottom: 10px;
            }
            
            .product-info {
                width: 100%;
                padding-left: 0;
            } */
        }

        @media (max-width: 576px) {
            .section-title {
                font-size: 1.6rem;
            }
            
            .slide-content h2 {
                font-size: 1.4rem;
            }
            
            .slider-controls button {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
            
            .logo {
                font-size: 1.3rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }


 /* プライバシーポリシーページ */

/* Privacy Policy Section */
.privacy {
    padding: 100px 0;
    background-color: #f9f9f9;
}

.privacy .container {
    max-width: 500px;
}

.privacy-content {
    margin-top: 40px;
}

.privacy-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
    border-bottom: 2px solid #c60000;
    padding-bottom: 10px;
    margin-top: -20px;
}


.privacy-text p {
    line-height: 1;
    margin-bottom: 15px;
    font-size: 14px;
}

.privacy-text ul {
    margin: 15px 0;
    padding-left: 20px;
}

.privacy-text li {
    line-height: 1;
    font-size: 14px;
}

.policy-date {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
    font-style: italic;
    color: #777;
}