.contact-section {
    padding: 30px 0;
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid #333;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    color: #ff4fa3; /* サイトカラー */
    font-weight: bold;
}

.form-group input, 
.form-group textarea {
    background: #1a1a1a;
    border: 1px solid #444;
    color: white;
    padding: 12px;
    border-radius: 8px;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: #ff4fa3;
    box-shadow: 0 0 10px rgba(255, 79, 163, 0.2);
}

.submit-btn {
    background: #ff4fa3;
    color: white;
    border: none;
    padding: 15px;
    border-radius: 30px;
    font-weight: bold;
    cursor: pointer;
    font-size: 16px;
    transition: transform 0.2s, background 0.3s;
    margin-top: 10px;
}

.submit-btn:hover {
    background: #ff7eb3;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 79, 163, 0.4);
}