.kazenotani-contact-form {
    max-width: 100%;
    margin: 0;
    padding: 0;
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

/* フォーム無効時のスタイル */
.kazenotani-form-disabled,
.kazenotani-form-oauth-required {
    text-align: center;
    padding: 2rem;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    color: #6c757d;
}

.kazenotani-form-disabled p,
.kazenotani-form-oauth-required p {
    margin: 0;
    font-size: 1.1rem;
}

.contact-form-title {
    display: none;
}

.form-row {
    margin-bottom: 20px;
}

.form-row label {
    display: block;
    margin-bottom: 8px;
    font-weight: 400;
    color: #333;
    font-size: 16px;
    font-family: 'Noto Serif JP', serif;
}

.required-mark {
    color: #e74c3c;
    font-weight: bold;
}

.form-row input[type="text"],
.form-row input[type="email"],
.form-row select,
.form-row textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 0;
    font-size: 16px;
    font-family: 'Noto Serif JP', serif;
    background: #fff;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-row input[type="text"]:focus,
.form-row input[type="email"]:focus,
.form-row select:focus,
.form-row textarea:focus {
    outline: none;
    border-color: #333;
}

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

.char-count {
    text-align: right;
    font-size: 12px;
    color: #7f8c8d;
    margin-top: 5px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-size: 14px;
    line-height: 1.4;
    font-family: 'Noto Serif JP', serif;
    margin: 15px 0;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-right: 10px;
    margin-top: -3px;
    margin-bottom: 0;
    border: 1px solid #333;
    background: #fff;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    position: relative;
    flex-shrink: 0;
    vertical-align: middle;
}

.checkbox-label input[type="checkbox"]:checked {
    background-color: #333;
    border-color: #333;
}

.checkbox-label input[type="checkbox"]:checked::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
    line-height: 1;
}

.checkbox-label input[type="checkbox"]:focus {
    outline: 2px solid #333;
    outline-offset: 2px;
}

.turnstile-wrapper {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.form-submit {
    text-align: center;
    margin-top: 30px;
}

.submit-button {
    background: #333;
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 400;
    font-family: 'Noto Serif JP', serif;
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.3s ease;
    min-width: 200px;
    position: relative;
    text-transform: none;
}

.submit-button:hover {
    background: #555;
}

.submit-button:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.button-loader {
    display: inline-block;
}

.error-message {
    color: #e74c3c;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

.error-message.show {
    display: block;
}

.form-messages {
    margin-top: 20px;
    padding: 15px;
    border-radius: 4px;
    display: none;
}

.form-messages.success {
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    display: block;
}

.form-messages.error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    display: block;
}

.custom-subject-wrapper {
    margin-top: 15px;
    padding: 0;
    background: transparent;
    border: none;
    display: none;
}

.custom-subject-wrapper label {
    display: block;
    margin-bottom: 8px;
    font-weight: 400;
    color: #333;
    font-size: 16px;
    font-family: 'Noto Serif JP', serif;
}

.custom-subject-wrapper input {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 0;
    font-size: 16px;
    font-family: 'Noto Serif JP', serif;
    background: #fff;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.custom-subject-wrapper input:focus {
    outline: none;
    border-color: #333;
}

.form-row.has-error input,
.form-row.has-error textarea,
.form-row.has-error select {
    border-color: #e74c3c;
}

@media (max-width: 768px) {
    .kazenotani-contact-form {
        margin: 10px;
        padding: 15px;
    }
    
    .contact-form-title {
        font-size: 20px;
    }
    
    .submit-button {
        width: 100%;
        padding: 15px 20px;
    }
}

@media (max-width: 480px) {
    .form-row input[type="text"],
    .form-row input[type="email"],
    .form-row textarea {
        font-size: 14px;
    }
}

.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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