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

body {
    font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background: #212b40;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(33, 43, 64, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 40px;
}

.logo img {
    height: 100%;
    width: auto;
}

.nav {
    display: flex;
    gap: 40px;
}

.nav a {
    color: #cccccc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: #ffffff;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 5px;
    z-index: 1001;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: #ffffff;
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(33, 43, 64, 0.98);
    backdrop-filter: blur(20px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    margin: 20px 0;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: #d9ec2b;
}

.hero {
    padding: 120px 0 80px;
    background: #212b40;
    display: flex;
    align-items: center;
    min-height: 90vh;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.hero-text {
    text-align: left;
}

.hero-subtitle {
    font-size: 1rem;
    color: #cccccc;
    margin-bottom: 20px;
    font-weight: 400;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 300;
    line-height: 1.1;
    margin-bottom: 30px;
    color: #ffffff;
    font-family: 'MS PGothic', 'MS Pゴシック', sans-serif;
}

.hero-title .accent {
    font-weight: 700;
    color: #d9ec2b;
}

.hero-description {
    font-size: 1.5rem;
    color: #cccccc;
    margin-bottom: 60px;
    font-weight: 300;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-specs {
    display: flex;
    gap: 40px;
    margin-bottom: 60px;
}

.spec-item {
    text-align: left;
}

.spec-number {
    font-size: 3rem;
    font-weight: 700;
    color: #ffffff;
    display: block;
}

.spec-label {
    font-size: 0.9rem;
    color: #cccccc;
    margin-top: 8px;
    letter-spacing: 1px;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: 100%;
    overflow: hidden;
}

.hero-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    object-fit: contain;
}

.product-gallery {
    padding: 100px 0;
    background: #2a3548;
}

.gallery-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.gallery-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

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

.gallery-image {
    width: 100%;
    max-width: 500px;
    height: 400px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
}

.gallery-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 15px;
}

.gallery-description {
    color: #cccccc;
    line-height: 1.6;
}

.download-section {
    padding: 60px 0;
    background: #212b40;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.download-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #d9ec2b 0%, #b8d41a 100%);
    color: #212b40;
    padding: 15px 30px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(217, 236, 43, 0.3);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 236, 43, 0.4);
    background: linear-gradient(135deg, #e0f333 0%, #c1db22 100%);
}

.download-icon {
    font-size: 1.2rem;
}

.features {
    padding: 100px 0;
    background: #212b40;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 80px;
    color: #ffffff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: #ffffff;
    color: #212b40;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    font-size: 2rem;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: #ffffff;
}

.feature-description {
    color: #cccccc;
    line-height: 1.7;
    font-size: 1rem;
}

.use-cases {
    padding: 100px 0;
    background: #1a2332;
}

.use-cases-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.use-case-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 16px;
    padding: 40px 30px;
    text-align: left;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #00d2ff 0%, #00ff88 100%);
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.use-case-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.use-case-title {
    font-size: 1.4rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    line-height: 1.3;
}

.use-case-description {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.use-case-benefit {
    color: #00ff88;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.use-case-benefit::before {
    content: '→';
    font-weight: bold;
}

.specifications {
    padding: 100px 0;
    background: #2a3548;
}

.spec-table {
    max-width: 800px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.spec-label-cell {
    padding: 25px 30px;
    background: rgba(255, 255, 255, 0.05);
    font-weight: 600;
    color: #ffffff;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.spec-value-cell {
    padding: 25px 30px;
    color: #cccccc;
}

.cta-section {
    padding: 100px 0;
    background: #1a2332;
    color: #fff;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 40px;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.3;
}

.cta-title .highlight {
    color: #d9ec2b;
}

.cta-description {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 50px;
    line-height: 1.7;
}

.cta-contact-info {
    font-size: 1rem;
    color: #ffffff;
    margin-bottom: 30px;
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background: #fff;
    color: #212b40;
    padding: 18px 50px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
}

.cta-button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
}

.footer {
    padding: 60px 0;
    background: #c1cedb;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 20px;
}

.company-logo {
    width: auto;
    height: auto;
}

.company-logo img {
    width: 125px;
    height: 75px;
    object-fit: contain;
}

.footer-text {
    color: #000000;
    font-size: 0.9rem;
    margin: 0;
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .hero-container {
        max-width: 900px;
        gap: 60px;
    }

    .hero-title {
        font-size: clamp(2.5rem, 7vw, 4.5rem);
    }

    .gallery-grid {
        gap: 50px;
    }

    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .header-content {
        padding: 15px 20px;
    }

    .logo {
        height: 30px;
    }

    .nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
        min-height: auto;
    }

    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
        padding: 0 20px;
    }

    .hero-text {
        text-align: center;
        order: 2;
    }

    .hero-visual {
        order: 1;
        margin-bottom: 20px;
        padding: 0 20px;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3.5rem);
    }

    .hero-description {
        font-size: 1.2rem;
        margin-bottom: 40px;
    }

    .hero-specs {
        justify-content: center;
        flex-wrap: wrap;
        gap: 25px;
        margin-bottom: 40px;
    }

    .spec-item {
        text-align: center;
        min-width: 100px;
        flex: 1;
        max-width: 120px;
    }

    .spec-number {
        font-size: 2.5rem;
    }

    .hero-image {
        max-width: 300px;
        width: 90%;
    }

    .features-container,
    .gallery-container,
    .download-container,
    .cta-container,
    .use-cases-container {
        padding: 0 20px;
    }

    .footer-content {
        flex-direction: column;
        gap: 15px;
        padding: 0 20px;
    }

    .company-logo img {
        width: 100px;
        height: 60px;
    }

    .download-button {
        padding: 12px 25px;
        font-size: 0.9rem;
    }

    .features,
    .product-gallery,
    .specifications,
    .cta-section,
    .use-cases {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 60px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .gallery-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .gallery-image {
        max-width: 350px;
        height: 300px;
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .use-case-card {
        padding: 30px 25px;
    }

    .use-case-icon {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }

    .use-case-title {
        font-size: 1.2rem;
        margin-bottom: 15px;
    }

    .use-case-description {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    .use-case-benefit {
        font-size: 0.85rem;
    }

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

    .spec-label-cell {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .cta-title {
        font-size: 2rem;
    }

    .cta-button {
        padding: 15px 40px;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .header-content {
        padding: 12px 15px;
    }

    .logo {
        height: 25px;
    }

    .hero {
        padding: 80px 0 50px;
    }

    .hero-container {
        padding: 0 15px;
        gap: 30px;
    }

    .hero-title {
        font-size: clamp(1.8rem, 10vw, 2.8rem);
        margin-bottom: 20px;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 30px;
    }

    .hero-specs {
        gap: 15px;
        margin-bottom: 30px;
        display: flex;
        justify-content: space-around;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }

    .spec-item {
        min-width: 80px;
        flex: 1;
        max-width: 90px;
    }

    .spec-number {
        font-size: 2rem;
    }

    .spec-label {
        font-size: 0.8rem;
    }

    .hero-visual {
        margin-bottom: 15px;
        padding: 0 15px;
    }

    .hero-image {
        max-width: 250px;
        width: 85%;
    }

    .features-container,
    .gallery-container,
    .download-container,
    .cta-container,
    .use-cases-container {
        padding: 0 15px;
    }

    .footer-content {
        flex-direction: column;
        gap: 12px;
        padding: 0 15px;
    }

    .company-logo img {
        width: 80px;
        height: 48px;
    }

    .footer-text {
        font-size: 0.8rem;
        text-align: center;
    }

    .download-button {
        padding: 10px 20px;
        font-size: 0.8rem;
    }

    .features,
    .product-gallery,
    .specifications,
    .cta-section,
    .use-cases {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
        margin-bottom: 40px;
    }

    .feature-item {
        padding: 20px;
    }

    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
        margin-bottom: 20px;
    }

    .feature-title {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }



    .feature-description {
        font-size: 0.9rem;
    }

    .gallery-image {
        max-width: 280px;
        height: 250px;
    }

    .gallery-title {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .gallery-description {
        font-size: 0.9rem;
    }

    .use-case-card {
        padding: 25px 20px;
    }

    .use-case-icon {
        font-size: 2.2rem;
        margin-bottom: 12px;
    }

    .use-case-title {
        font-size: 1.1rem;
        margin-bottom: 12px;
    }

    .use-case-description {
        font-size: 0.85rem;
        margin-bottom: 18px;
    }

    .use-case-benefit {
        font-size: 0.8rem;
    }

    .spec-label-cell,
    .spec-value-cell {
        padding: 20px 20px;
        font-size: 0.9rem;
    }

    .cta-title {
        font-size: 1.8rem;
        margin-bottom: 20px;
    }

    .cta-description {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    .cta-button {
        padding: 12px 30px;
        font-size: 0.8rem;
    }
}