* {
    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: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.navbar {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo h1 {
    color: #2c5aa0;
    font-size: 1.8rem;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover {
    color: #2c5aa0;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #333;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    background: 
        linear-gradient(rgba(44, 90, 160, 0.8), rgba(74, 144, 226, 0.8)),
        url('https://images.unsplash.com/photo-1581858726788-75bc0f6a952d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: white;
    padding: 150px 0 100px;
    text-align: center;
    margin-top: 70px;
    position: relative;
}

.hero-content h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: #ff6b35;
    color: white;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: background 0.3s ease;
}

.cta-button:hover {
    background: #e55a2b;
}

/* Sections */
section {
    padding: 80px 0;
}

section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 50px;
    color: #2c5aa0;
}

/* About Section */
.about {
    background: #f8f9fa;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.company-info h3 {
    font-size: 1.5rem;
    color: #2c5aa0;
    margin-bottom: 20px;
}

.info-item {
    margin-bottom: 15px;
    line-height: 1.8;
}

.info-item strong {
    color: #2c5aa0;
}

.company-description p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Services Section */
.services {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.95)),
        url('https://images.unsplash.com/photo-1558618666-fcd25c85cd64?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 35px rgba(0,0,0,0.2);
}

.service-card h3 {
    color: #2c5aa0;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.service-card p {
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
    background: 
        linear-gradient(rgba(248, 249, 250, 0.95), rgba(248, 249, 250, 0.95)),
        url('https://images.unsplash.com/photo-1504307651254-35680f356dfd?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2076&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.portfolio-item {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 35px rgba(0,0,0,0.2);
}

.portfolio-item h3 {
    color: #2c5aa0;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.portfolio-item p {
    line-height: 1.6;
}

/* Contact Section */
.contact {
    background: 
        linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2073&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info h3 {
    color: #2c5aa0;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.contact-item {
    margin-bottom: 15px;
    line-height: 1.8;
}

.contact-item strong {
    color: #2c5aa0;
}

.contact-note {
    margin-top: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 5px;
    line-height: 1.6;
}

/* Form Styles */
.contact-form {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #2c5aa0;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #2c5aa0;
}

.submit-button {
    background: #2c5aa0;
    color: white;
    padding: 15px 30px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s ease;
    width: 100%;
}

.submit-button:hover {
    background: #1e3d6f;
}

/* Footer */
footer {
    background: #333;
    color: white;
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-bottom: 30px;
}

.footer-info h3 {
    color: #4a90e2;
    margin-bottom: 15px;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-nav a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-nav a:hover {
    color: #4a90e2;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid #555;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0,0,0,0.05);
        padding: 20px 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

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

    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .hero-content h2 {
        font-size: 2rem;
    }

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-nav ul {
        justify-content: center;
    }

    section {
        padding: 60px 0;
    }

    section h2 {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .nav-container {
        padding: 0 15px;
    }

    .hero {
        padding: 120px 0 80px;
    }

    .hero-content h2 {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .service-card,
    .portfolio-item,
    .contact-form {
        padding: 20px;
    }
}