/* フォームスタイル */
.form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(255, 182, 193, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 500;
    color: #2c2c2c;
    font-size: 1rem;
    font-family: "Hiragino Maru Gothic ProN", "Noto Sans JP", sans-serif;
}

.required {
    color: #ff6b9d;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #f0f0f0;
    border-radius: 12px;
    font-size: 1rem;
    font-family: "Hiragino Maru Gothic ProN", "Noto Sans JP", sans-serif;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #ff6b9d;
    box-shadow: 0 0 0 3px rgba(255, 107, 157, 0.1);
    background: #fff;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #999;
    font-style: italic;
}

.form-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1rem;
}

.submit-btn,
.reset-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: "Hiragino Maru Gothic ProN", "Noto Sans JP", sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 140px;
}

.submit-btn {
    background: linear-gradient(135deg, #ff6b6b 0%, #ff8a5b 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.5);
    background: var(--primary-color);
}

.submit-btn:active {
    transform: translateY(0);
}

.reset-btn {
    background: #f8f9fa;
    color: #6c757d;
    border: 2px solid #e9ecef;
}

.reset-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
    color: #495057;
}

.form-message {
    padding: 1rem;
    border-radius: 12px;
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
}

.form-message.success {
    background: linear-gradient(135deg, #d4edda, #c3e6cb);
    color: #155724;
    border: 1px solid #c3e6cb;
}

.form-message.error {
    background: linear-gradient(135deg, #f8d7da, #f5c6cb);
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.form-message p {
    margin: 0;
    line-height: 1.5;
}

/* レスポンシブデザイン */
@media (max-width: 768px) {
    .form-container {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .form-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .submit-btn,
    .reset-btn {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .form-container {
        padding: 1rem;
        margin: 0 0.5rem;
    }
    
    .form-group input,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .submit-btn,
    .reset-btn {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
}

/* フォーカス時のアニメーション */
.form-group {
    position: relative;
}

.form-group input:focus + label,
.form-group textarea:focus + label {
    color: #ff6b9d;
}

/* 送信中のローディング状態 */
.submit-btn.loading {
    background: #ccc;
    cursor: not-allowed;
    position: relative;
}

.submit-btn.loading::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    margin: auto;
    border: 2px solid transparent;
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}