How to change the notation of a sub-label

change_sublabel.php

function wpf_dev_name_field_properties( $properties, $field, $form_data ) {
     
    // Change sublabel values
    $properties['inputs']['first']['sublabel']['value'] = '名前';
    $properties['inputs']['middle']['sublabel']['value'] = 'ミドルネーム';
    $properties['inputs']['last']['sublabel']['value'] = '苗字';
 
    return $properties;
}
add_filter( 'wpforms_field_properties_name' , 'wpf_dev_name_field_properties', 10, 3 );