.home-content {
    padding: 40px 20px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.home-content h1 {
    text-align: center;
    color: #333;
    margin-bottom: 40px;
    font-size: 2.5rem;
    font-weight: bold;
}

.custom-nav {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #dee2e6;
    width: 100%;
}

.custom-nav .nav-link {
    color: #495057;
    margin-bottom: 15px;
    border-radius: 10px;
    transition: all 0.3s ease;
    padding: 15px 20px;
    font-size: 1.1rem;
    font-weight: 500;
    border: 2px solid transparent;
    background-color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    text-decoration: none;
}

.custom-nav .nav-link:hover {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
    border-color: #007bff;
}

.custom-nav .nav-link:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 123, 255, 0.2);
}

.custom-nav .nav-link i {
    margin-right: 15px;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .home-content {
        padding: 20px 15px;
    }
    
    .home-content h1 {
        font-size: 2rem;
        margin-bottom: 30px;
    }
    
    .custom-nav {
        padding: 20px;
    }
    
    .custom-nav .nav-link {
        padding: 12px 15px;
        font-size: 1rem;
    }
}