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

body {
    font-family: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
    line-height: 1.6;
    color: #333;
}

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

/* Header */
header {
    background: #2c3e50;
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo h1 {
    color: #3498db;
    font-size: 1.8rem;
}

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

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

.nav-menu a:hover {
    color: #3498db;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #34495e;
    min-width: 200px;
    display: none;
    flex-direction: column;
    padding: 0.5rem 0;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.dropdown:hover .dropdown-menu {
    display: flex;
}

.dropdown-menu li {
    padding: 0.5rem 1rem;
}

.dropdown-menu a {
    font-size: 0.9rem;
}

/* Hero Section */
.hero {
    position: relative;
    color: white;
    padding: 4rem 0;
    text-align: center;
    overflow: hidden;
}

.hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-banner {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-content h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.hero-content p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* Features Section */
.features {
    padding: 4rem 0;
    background: #f8f9fa;
}

.features h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
    color: #2c3e50;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    object-fit: contain;
}

.feature-item:hover {
    transform: translateY(-5px);
}

.feature-item h3 {
    color: #3498db;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* Company Info */
.company-info {
    padding: 4rem 0;
    background: white;
}

.company-info h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
    color: #2c3e50;
}

.company-info p {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 3rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
}

/* Footer */
footer {
    background: #2c3e50;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-content h2 {
        font-size: 2rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .stats {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats {
        grid-template-columns: 1fr;
    }
    
    nav {
        flex-direction: column;
        gap: 1rem;
    }
}