/* Google Fonts */
body {
    margin: 0;
    font-family: 'Noto Sans JP', 'Roboto', sans-serif;
    color: #333;
}

/* Hero Section */
.hero {
    background: url('IMG_4171.jpeg') no-repeat center center/cover;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
.hero .overlay {
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    text-align: center;
    padding: 2rem;
    border-radius: 8px;
}
.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}
.hero p {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}
.hero .btn {
    background-color: #007acc;
    color: #fff;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    transition: background 0.3s;
}
.hero .btn:hover {
    background-color: #005fa3;
}

/* Navbar */
.navbar {
    position: sticky;
    top: 0;
    background-color: #fff;
    display: flex;
    justify-content: center;
    gap: 2rem;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    z-index: 1000;
}
.navbar a {
    text-decoration: none;
    color: #007acc;
    font-weight: bold;
    transition: color 0.3s;
}
.navbar a:hover {
    color: #005fa3;
}

/* Sections */
.section {
    max-width: 1200px;
    margin: 3rem auto;
    padding: 0 1rem;
}
.section h2 {
    color: #007acc;
    margin-bottom: 1rem;
}

/* Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.card {
    background-color: #fff;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}
.card:hover {
    transform: translateY(-5px);
}
.card h3 {
    margin-top: 0;
    color: #007acc;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background-color: #007acc;
    color: #fff;
}