Search ACF Field in WordPress (HTML)

<input type="text" placeholder="Search..."
value="<?php echo isset($_GET['s_q_fulltext']) ? esc_attr($_GET['s_q_fulltext']) : ''; ?>"
name="s_q_fulltext">

  <?php
$keyword = isset($_GET['s_q_fulltext']) ? sanitize_text_field($_GET['s_q_fulltext']) : '';

global $wpdb;
$keyword = esc_sql($keyword);
$sql = "
SELECT DISTINCT p.ID
FROM {$wpdb->posts} p
LEFT JOIN {$wpdb->postmeta} pm ON p.ID = pm.post_id
WHERE p.post_type IN ('post', 'page')
AND p.post_status = 'publish'
AND (
  p.post_title LIKE '%$keyword%' OR
  p.post_content LIKE '%$keyword%' OR
  pm.meta_value LIKE '%$keyword%'
)
";

$post_ids = $wpdb->get_col($sql);

$args = array(
  'post_type' => ['post', 'page'],
  //'s' => $keyword,
  'post__in' => $post_ids,
);

  $search_query = new WP_Query($args);

?>

  <?php if (!empty($keyword)): ?>
    <?php if ($search_query->have_posts()): ?>


      <div data-pad="2" class="me-block me-PanelCol search-height me-max-width"
id="UwYEobJ5xSOSFJC5JLMkxXA" data-mod="MEBuild2.ParallaxScroll" data-opt="{}">
  <div class="underlay"></div>
<div class="overlay"></div>
<div class="row me-max-width collapse">
  <div class="column me-iwrap small-12 medium-order-1">
    <div class="overlay"></div>
<div class="underlay"></div>
<div data-pad="0" class="me-block me-SearchSolrFilterResults"
id="U53w2SU9WSFSjovg3pydCww">
  <div class="row collapse me-max-width small-up-1">

    <?php while ($search_query->have_posts()):
    $search_query->the_post(); ?>
      <?php get_template_part('template-parts/content', 'search'); ?>
        <?php endwhile; ?>
          <?php the_posts_navigation(); ?>
            <?php wp_reset_postdata(); ?>

              </div>
</div>
</div>
</div>
</div>
<?php else: ?>
  <?php get_template_part('template-parts/content', 'none'); ?>
    <?php endif;