.contact-page .header {
    background: linear-gradient(135deg, #83f0eb 0%, #ffbbd1 100%);
    color: black;
    padding: 40px 30px;
    text-align: center;
    position: relative;
}

[data-theme="dark"] .contact-page .header {
    background: linear-gradient(135deg, #2a545e 0%, #632f31 100%);
    color: white;
}

.contact-page .header h1 {
    font-size: clamp(2em, 4.5vw, 2.9em);
}
:lang(en) .contact-page .header h1 {
    font-size: clamp(2.3em, 4.5vw, 2.9em);
}
:lang(ja) .contact-page .header h1 {
    font-size: clamp(2.1em, 4.5vw, 2.9em);
}

.contact-page .header p {
    font-size: clamp(0.9em, 2.5vw, 1.1em);
    text-wrap: balance;
}
:lang(en) .contact-page .header p {
    font-size: clamp(0.75em, 2.5vw, 1.05em);
}
:lang(ja) .contact-page .header p {
    font-size: clamp(0.8em, 2.5vw, 1.1em);
}


.form-content {
    padding: 30px 20px;
}

.form-group {
    margin-bottom: 25px;
}


.form-label, 
.form-group select, 
.form-group input, 
.form-group textarea,
.email-input input, 
.email-input select, 
.email-back-btn, 
.checkbox-group label, 
.privacy-title {
    font-size: clamp(0.8em, 2.5vw, 1em);
}

.form-label, 
.checkbox-group label, 
#resultMessage,
.modal-btn,
.privacy-title,
.privacy-table th,
.success-message, 
.error-message,
.response-time-notice strong {
    font-weight: 600;
}

.support-info-section h2,
.form-label,
.form-group select,
.form-group input,
.form-group textarea,
.email-input input,
.email-input select,
#resultMessage,
.checkbox-group label,
.privacy-title,
.privacy-text,
.response-time-notice strong,
.response-time-notice strong {
    color: var(--text-color);
}

.inline-link,
.inline-link:visited {
    color: var(--link-color);
}

.inline-link:hover {
    color: var(--link-hover-color);
}

.support-description,
.response-time-notice {
    color: var(--text-color);
}

.form-group select,
.form-group input,
.form-group textarea,
.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus,
.email-input input,
.email-input select,
.email-back-btn,
.privacy-section {
    background: var(--form-bg);
}


.support-info-section {
    padding: clamp(15px, 2.5vw, 20px);
    margin-bottom: 40px;
    background: var(--support-info-bg);
    border-radius: 10px;
}

.support-info-section h2 {
    font-size: clamp(0.75em, 2.5vw, 0.9em);
    margin-bottom: 10px;
}

.support-description {
    font-size: clamp(0.68em, 2.5vw, 0.85em);
    line-height: 1.6;
}

.inline-link {
    text-decoration: underline;
}




.form-label {
    display: block;
    margin-bottom: 8px;
}

.required {
    color: var(--form-required-color);
}

.form-group select,
.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    transition: border-color 0.3s ease;
}

.form-group select:focus,
.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
    box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.email-input {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--card-bg);
    border-radius: 6px;
}

.email-input:focus-within {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.email-input input, .email-input select {
    outline: none;
}

.email-input select {
    min-width: 120px;
}

.email-back-btn {
    padding: 8px 12px;
    border: 2px solid var(--accent-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.email-back-btn:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

textarea {
    resize: vertical;
    min-height: 300px;
    font-family: inherit;
}

.char-count {
    text-align: right;
    font-size: 12px;
    color: var(--progress-text);
    margin-top: 5px;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-content {
    background: var(--bg-color);
    padding: clamp(20px, 2.5vw, 30px);
    border-radius: 15px;
    max-width: clamp(300px, 2.5vw, 400px);
    width: 90%;
    text-align: center;
    box-shadow: var(--modal-content-shadow);
}

#resultMessage {
    font-size: clamp(15px, 2.5vw, 20px);
    margin-bottom: 25px;
    line-height: 1.5;
    white-space: pre-line;
}

.modal-btn {
    background: linear-gradient(135deg, var(--button-primary-start), var(--button-primary-end));
    color: white;
    border: none;
    border-radius: 30px;
    padding: clamp(10px, 2.5vw, 12px) clamp(34px, 2.5vw, 46px);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.modal-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

#modalIcon {
    font-size: clamp(40px, 2.5vw, 50px);
    margin-bottom: 20px;
    line-height: 1;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 15px;
    margin: 20px 0;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    vertical-align: middle; 
    transform: scale(1.3); 
    transform-origin: 0 0; 
    margin-top: -3px; 
}

.checkbox-group label {
    line-height: 20px;
}

.privacy-section {
    padding: clamp(15px, 2.5vw, 20px);
    border-radius: 12px;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

.privacy-title {
    margin-bottom: 10px;
}

.privacy-content {
    line-height: 1.6;
    color: var(--progress-text);
}

.privacy-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
}

.privacy-text {
    font-size: clamp(0.7em, 2.5vw, 0.9em);
    margin: 10px 0 10px 0;;
}

.privacy-table th, 
.privacy-table td {
    font-size: clamp(0.65em, 2.5vw, 0.9em);
    text-wrap: balance;
    border: 1px solid var(--form-privacy-table-border);
    padding: clamp(5px, 2.5vw, 10px);
    text-align: center;
}

.privacy-table th {
    background: var(--form-privacy-table-th-bg);
    color: var(--form-privacy-table-th-text);
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: linear-gradient(135deg, var(--button-primary-start), var(--button-primary-end));
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.success-message, .error-message {
    padding: 15px 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    display: none;
}

.success-message {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.response-time-notice {
    margin: 30px 0 10px;
    font-size: clamp(0.65em, 2.5vw, 0.9em);
    text-wrap: balance;
    text-align: center;
    line-height: 1.6;
}