diff --git a/app/assets/stylesheets/admin/styles.sass b/app/assets/stylesheets/admin/styles.sass
index 13b31467c1b16d15c04aad9cd4a32a7707b70693..640b5cc690fdace161f7b1426744c638d3dd1aaf 100644
--- a/app/assets/stylesheets/admin/styles.sass
+++ b/app/assets/stylesheets/admin/styles.sass
@@ -49,4 +49,7 @@ h1
     opacity: 0.5
 
 .btn-light[target=_blank]::after
-    filter: invert(0)
\ No newline at end of file
+    filter: invert(0)
+
+.bg-grey
+    background-color: #DDDDDD !important
\ No newline at end of file
diff --git a/app/views/admin/university/organizations/_list.html.erb b/app/views/admin/university/organizations/_list.html.erb
index a20ef65688d067f32ab27c2eed64f2ea4442ffb2..210d439e509c4a106be4aee195292b147efc7719 100644
--- a/app/views/admin/university/organizations/_list.html.erb
+++ b/app/views/admin/university/organizations/_list.html.erb
@@ -12,7 +12,7 @@
       <tr>
         <td><%= link_to organization, admin_university_organization_path(organization) %></td>
         <td><span class="badge bg-secondary"><%= organization.kind_i18n %></span></td>
-        <td class="p-0">
+        <td class="p-0 bg-grey text-center">
           <%= kamifusen_tag organization.logo,
                             width: 40 if organization.logo.attached? %>
         </td>
diff --git a/app/views/admin/university/organizations/show.html.erb b/app/views/admin/university/organizations/show.html.erb
index c48ddd06db63692ca7d0b6b20d589ff64750bf58..f428c5dd794e8db8723659d1e0b88633ac9817cb 100644
--- a/app/views/admin/university/organizations/show.html.erb
+++ b/app/views/admin/university/organizations/show.html.erb
@@ -94,8 +94,8 @@
             <%= University::Organization.human_attribute_name('logo') %>
           </h5>
         </div>
-        <div class="card-body">
-          <%= kamifusen_tag @organization.logo, class: 'img-fluid' if @organization.logo.attached? %>
+        <div class="card-body bg-grey">
+          <%= kamifusen_tag @organization.logo, class: 'img-fluid p-5' if @organization.logo.attached? %>
         </div>
       </div>
     <% end %>