diff --git a/docs/releases/release-support-policy.mdx b/docs/releases/release-support-policy.mdx
index 79df3da4..8b144733 100644
--- a/docs/releases/release-support-policy.mdx
+++ b/docs/releases/release-support-policy.mdx
@@ -64,11 +64,11 @@ This page describes Scalar's support policy for major and minor version releases
       <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>**</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>**</td>
diff --git a/docusaurus.config.js b/docusaurus.config.js
index 9fcbab8b..ffb3ac59 100644
--- a/docusaurus.config.js
+++ b/docusaurus.config.js
@@ -105,9 +105,9 @@ const config = {
                 className: '3.12.8',
               },
               "3.11": {
-                label: '3.11',
+                label: '3.11 (unsupported)',
                 path: '3.11',
-                banner: 'none',
+                banner: 'unmaintained',
                 className: '3.11.6',
               },
               "3.10": {
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/current/releases/release-support-policy.mdx b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/current/releases/release-support-policy.mdx
index c2110ae0..b8e5f318 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/current/releases/release-support-policy.mdx
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/current/releases/release-support-policy.mdx
@@ -68,11 +68,11 @@ import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
       <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a>**</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.10/releases/release-notes#v3100">3.10</a>**</td>
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.11.json b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.11.json
index 463dfff9..b59ad528 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.11.json
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.11.json
@@ -1,6 +1,6 @@
 {
   "version.label": {
-    "message": "3.11",
+    "message": "3.11 (サポートされていない)",
     "description": "The label for version 3.11"
   }
 }
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.13/releases/release-support-policy.mdx b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.13/releases/release-support-policy.mdx
index a2fd8b23..ab0390a9 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.13/releases/release-support-policy.mdx
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.13/releases/release-support-policy.mdx
@@ -47,11 +47,11 @@ import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
       <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.14/releases/release-support-policy.mdx b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.14/releases/release-support-policy.mdx
index 51caaaf6..7c7f55d9 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.14/releases/release-support-policy.mdx
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.14/releases/release-support-policy.mdx
@@ -54,11 +54,11 @@ import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
       <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.15/releases/release-support-policy.mdx b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.15/releases/release-support-policy.mdx
index 66f4011b..b7892593 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.15/releases/release-support-policy.mdx
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-docs/version-3.15/releases/release-support-policy.mdx
@@ -61,18 +61,18 @@ import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
       <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.10/releases/release-notes#v3100">3.10</a></td>
-      <td>2023-07-20</td>
-      <td>2024-12-26</td>
-      <td>2025-06-24</td>
-      <td><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
+      <td class="version-out-of-support">2023-07-20</td>
+      <td class="version-out-of-support">2024-12-26</td>
+      <td class="version-out-of-support">2025-06-24</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">お問い合わせ</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/ja-jp/docs/3.9/releases/release-notes#v390">3.9</a>*</td>
diff --git a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-pages/unsupported-versions.mdx b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-pages/unsupported-versions.mdx
index baef83c8..c027b6e3 100644
--- a/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-pages/unsupported-versions.mdx
+++ b/i18n/versioned_docs/ja-jp/docusaurus-plugin-content-pages/unsupported-versions.mdx
@@ -9,6 +9,7 @@ import TranslationBanner from '/src/components/_translation-ja-jp.mdx';
 
 ScalarDB の次のバージョンはサポートされなくなりました。
 
+- [ScalarDB 3.11](/docs/3.11/)
 - [ScalarDB 3.10](/docs/3.10/)
 - [ScalarDB 3.9](/docs/3.9/)
 - [ScalarDB 3.8](/docs/3.8/)
diff --git a/src/pages/unsupported-versions.mdx b/src/pages/unsupported-versions.mdx
index 2e7a67bf..5dffc2e1 100644
--- a/src/pages/unsupported-versions.mdx
+++ b/src/pages/unsupported-versions.mdx
@@ -5,6 +5,7 @@
 
 The following versions of ScalarDB are no longer supported:
 
+- [ScalarDB 3.11](/docs/3.11/)
 - [ScalarDB 3.10](/docs/3.10/)
 - [ScalarDB 3.9](/docs/3.9/)
 - [ScalarDB 3.8](/docs/3.8/)
diff --git a/versioned_docs/version-3.11/releases/release-support-policy.mdx b/versioned_docs/version-3.11/releases/release-support-policy.mdx
index a01b8fe6..289c3f3b 100644
--- a/versioned_docs/version-3.11/releases/release-support-policy.mdx
+++ b/versioned_docs/version-3.11/releases/release-support-policy.mdx
@@ -28,11 +28,11 @@ This page describes Scalar's support policy for major and minor version releases
   </thead>
   <tbody>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/versioned_docs/version-3.12/releases/release-support-policy.mdx b/versioned_docs/version-3.12/releases/release-support-policy.mdx
index fc9cc143..d9212604 100644
--- a/versioned_docs/version-3.12/releases/release-support-policy.mdx
+++ b/versioned_docs/version-3.12/releases/release-support-policy.mdx
@@ -35,11 +35,11 @@ This page describes Scalar's support policy for major and minor version releases
       <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/versioned_docs/version-3.13/releases/release-support-policy.mdx b/versioned_docs/version-3.13/releases/release-support-policy.mdx
index a90f5351..4b624cfb 100644
--- a/versioned_docs/version-3.13/releases/release-support-policy.mdx
+++ b/versioned_docs/version-3.13/releases/release-support-policy.mdx
@@ -43,11 +43,11 @@ This page describes Scalar's support policy for major and minor version releases
       <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/versioned_docs/version-3.14/releases/release-support-policy.mdx b/versioned_docs/version-3.14/releases/release-support-policy.mdx
index 7ef0b1dc..eb9ef2e1 100644
--- a/versioned_docs/version-3.14/releases/release-support-policy.mdx
+++ b/versioned_docs/version-3.14/releases/release-support-policy.mdx
@@ -50,11 +50,11 @@ This page describes Scalar's support policy for major and minor version releases
       <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
diff --git a/versioned_docs/version-3.15/releases/release-support-policy.mdx b/versioned_docs/version-3.15/releases/release-support-policy.mdx
index b802fb49..2faccdf6 100644
--- a/versioned_docs/version-3.15/releases/release-support-policy.mdx
+++ b/versioned_docs/version-3.15/releases/release-support-policy.mdx
@@ -57,18 +57,18 @@ This page describes Scalar's support policy for major and minor version releases
       <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a></td>
-      <td>2023-12-27</td>
-      <td>2025-02-16</td>
-      <td>2025-08-15</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.11/releases/release-notes#v3110">3.11</a>*</td>
+      <td class="version-out-of-support">2023-12-27</td>
+      <td class="version-out-of-support">2025-02-16</td>
+      <td class="version-out-of-support">2025-08-15</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
-      <td><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a></td>
-      <td>2023-07-20</td>
-      <td>2024-12-26</td>
-      <td>2025-06-24</td>
-      <td><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
+      <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.10/releases/release-notes#v3100">3.10</a>*</td>
+      <td class="version-out-of-support">2023-07-20</td>
+      <td class="version-out-of-support">2024-12-26</td>
+      <td class="version-out-of-support">2025-06-24</td>
+      <td class="version-out-of-support"><a href="https://www.scalar-labs.com/contact">Contact us</a></td>
     </tr>
     <tr>
       <td class="version-out-of-support"><a href="https://scalardb.scalar-labs.com/docs/3.9/releases/release-notes#v390">3.9</a>*</td>