<div class="jetpack_subscription_widget"><h2 class="widgettitle"><label for="subscribe-field">ブログをメールで購読</label></h2>
 
            <form action="https://subscribe.wordpress.com" method="post" accept-charset="utf-8" id="subscribe-blog">
                <p>更新をメールで受信できます。</p>
                <p id="subscribe-email">
                    <label id="subscribe-field-label" for="subscribe-field" class="screen-reader-text">
                        メールアドレス                 </label>
 
                    <input type="email" name="email" style="width: 95%; padding: 1px 10px" placeholder="メールアドレスを入力" value="" id="subscribe-field">              </p>
 
                <p id="subscribe-submit">
                    <input type="hidden" name="action" value="subscribe">
                    <input type="hidden" name="blog_id" value="59746646">
                    <input type="hidden" name="source" value="https://ja.jetpack.com/support/subscriptions/">
                    <input type="hidden" name="sub-type" value="widget">
                    <input type="hidden" name="redirect_fragment" value="subscribe-blog">
                    <input type="hidden" id="_wpnonce" name="_wpnonce" value="e032ae220a">                    <button type="submit" class="wp-block-button__link" style="margin-left: 0px;">
                        購読                    </button>
                </p>
            </form>
             
</div>