diff --git a/amp.css b/amp.css
index dea9e0be3..6e8458fb4 100644
--- a/amp.css
+++ b/amp.css
@@ -6490,25 +6490,25 @@ canvas, iframe, video,
   --cocoon-custom-border-color: transparent;
 }
 
-.sidebar .cta-box {
+.nwa .cta-box {
   font-size: 0.8em;
 }
-.sidebar .cta-heading {
+.nwa .cta-heading {
   font-size: 20px;
   padding: 8px;
 }
-.sidebar .cta-left-and-right .cta-content,
-.sidebar .cta-right-and-left .cta-content {
+.nwa .cta-left-and-right .cta-content,
+.nwa .cta-right-and-left .cta-content {
   display: block;
 }
-.sidebar .cta-left-and-right .cta-content div,
-.sidebar .cta-right-and-left .cta-content div {
+.nwa .cta-left-and-right .cta-content div,
+.nwa .cta-right-and-left .cta-content div {
   width: 100%;
 }
-.sidebar .cta-message {
+.nwa .cta-message {
   margin-top: 1em;
 }
-.sidebar .cta-button .btn-l, .sidebar .cta-button .ranking-item-link-buttons a, .ranking-item-link-buttons .sidebar .cta-button a {
+.nwa .cta-button .btn-l, .nwa .cta-button .ranking-item-link-buttons a, .ranking-item-link-buttons .nwa .cta-button a {
   padding: 1em;
   font-size: 16px;
 }
diff --git a/css/admin.css b/css/admin.css
index e92050c4a..f9a1a58a4 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -6186,25 +6186,25 @@ body.wp-admin {
   margin-top: 1em;
   --cocoon-custom-border-color: transparent;
 }
-.admin-settings .demo .sidebar .cta-box {
+.admin-settings .demo .nwa .cta-box {
   font-size: 0.8em;
 }
-.admin-settings .demo .sidebar .cta-heading {
+.admin-settings .demo .nwa .cta-heading {
   font-size: 20px;
   padding: 8px;
 }
-.admin-settings .demo .sidebar .cta-left-and-right .cta-content,
-.admin-settings .demo .sidebar .cta-right-and-left .cta-content {
+.admin-settings .demo .nwa .cta-left-and-right .cta-content,
+.admin-settings .demo .nwa .cta-right-and-left .cta-content {
   display: block;
 }
-.admin-settings .demo .sidebar .cta-left-and-right .cta-content div,
-.admin-settings .demo .sidebar .cta-right-and-left .cta-content div {
+.admin-settings .demo .nwa .cta-left-and-right .cta-content div,
+.admin-settings .demo .nwa .cta-right-and-left .cta-content div {
   width: 100%;
 }
-.admin-settings .demo .sidebar .cta-message {
+.admin-settings .demo .nwa .cta-message {
   margin-top: 1em;
 }
-.admin-settings .demo .sidebar .cta-button .btn-l, .admin-settings .demo .sidebar .cta-button .ranking-item-link-buttons a, .admin-settings .demo .ranking-item-link-buttons .sidebar .cta-button a {
+.admin-settings .demo .nwa .cta-button .btn-l, .admin-settings .demo .nwa .cta-button .ranking-item-link-buttons a, .admin-settings .demo .ranking-item-link-buttons .nwa .cta-button a {
   padding: 1em;
   font-size: 16px;
 }
@@ -14282,25 +14282,25 @@ body.wp-admin {
   margin-top: 1em;
   --cocoon-custom-border-color: transparent;
 }
-.admin-settings .demo .sidebar .cta-box {
+.admin-settings .demo .nwa .cta-box {
   font-size: 0.8em;
 }
-.admin-settings .demo .sidebar .cta-heading {
+.admin-settings .demo .nwa .cta-heading {
   font-size: 20px;
   padding: 8px;
 }
-.admin-settings .demo .sidebar .cta-left-and-right .cta-content,
-.admin-settings .demo .sidebar .cta-right-and-left .cta-content {
+.admin-settings .demo .nwa .cta-left-and-right .cta-content,
+.admin-settings .demo .nwa .cta-right-and-left .cta-content {
   display: block;
 }
-.admin-settings .demo .sidebar .cta-left-and-right .cta-content div,
-.admin-settings .demo .sidebar .cta-right-and-left .cta-content div {
+.admin-settings .demo .nwa .cta-left-and-right .cta-content div,
+.admin-settings .demo .nwa .cta-right-and-left .cta-content div {
   width: 100%;
 }
-.admin-settings .demo .sidebar .cta-message {
+.admin-settings .demo .nwa .cta-message {
   margin-top: 1em;
 }
-.admin-settings .demo .sidebar .cta-button .btn-l, .admin-settings .demo .sidebar .cta-button .ranking-item-link-buttons a, .admin-settings .demo .ranking-item-link-buttons .sidebar .cta-button a {
+.admin-settings .demo .nwa .cta-button .btn-l, .admin-settings .demo .nwa .cta-button .ranking-item-link-buttons a, .admin-settings .demo .ranking-item-link-buttons .nwa .cta-button a {
   padding: 1em;
   font-size: 16px;
 }
diff --git a/lib/widgets/cta-box.php b/lib/widgets/cta-box.php
index a3dcec386..082b8b227 100644
--- a/lib/widgets/cta-box.php
+++ b/lib/widgets/cta-box.php
@@ -110,7 +110,7 @@ function form($instance) {
     <?php //レイアウト?>
     <p>
       <label for="<?php echo $this->get_field_id('layout'); ?>">
-        <?php _e( '画像とメッセージのレイアウト（サイドバー以外）', THEME_NAME ) ?>
+        <?php _e( '画像とメッセージのレイアウト（サイドバー・フッター以外）', THEME_NAME ) ?>
       </label><br>
       <?php
       $options = array(
diff --git a/scss/_cta-box.scss b/scss/_cta-box.scss
index 14fb14137..84f1f3e4a 100644
--- a/scss/_cta-box.scss
+++ b/scss/_cta-box.scss
@@ -62,8 +62,8 @@
 }
 
 ///////////////////////////////////////
-// サイドバー
+// サイドバー・フッター
 ///////////////////////////////////////
-.sidebar{
+.nwa{
   @include cta_box_nallow;
 }
diff --git a/style.css b/style.css
index 7a396e65a..8d60fadbf 100644
--- a/style.css
+++ b/style.css
@@ -6515,25 +6515,25 @@ canvas, iframe, video,
   --cocoon-custom-border-color: transparent;
 }
 
-.sidebar .cta-box {
+.nwa .cta-box {
   font-size: 0.8em;
 }
-.sidebar .cta-heading {
+.nwa .cta-heading {
   font-size: 20px;
   padding: 8px;
 }
-.sidebar .cta-left-and-right .cta-content,
-.sidebar .cta-right-and-left .cta-content {
+.nwa .cta-left-and-right .cta-content,
+.nwa .cta-right-and-left .cta-content {
   display: block;
 }
-.sidebar .cta-left-and-right .cta-content div,
-.sidebar .cta-right-and-left .cta-content div {
+.nwa .cta-left-and-right .cta-content div,
+.nwa .cta-right-and-left .cta-content div {
   width: 100%;
 }
-.sidebar .cta-message {
+.nwa .cta-message {
   margin-top: 1em;
 }
-.sidebar .cta-button .btn-l, .sidebar .cta-button .ranking-item-link-buttons a, .ranking-item-link-buttons .sidebar .cta-button a {
+.nwa .cta-button .btn-l, .nwa .cta-button .ranking-item-link-buttons a, .ranking-item-link-buttons .nwa .cta-button a {
   padding: 1em;
   font-size: 16px;
 }