diff --git a/techniques/failures/F4.html b/techniques/failures/F4.html
index b22918da..6c24f92c 100644
--- a/techniques/failures/F4.html
+++ b/techniques/failures/F4.html
@@ -18,12 +18,12 @@
 <div class="minimal-header-container default-grid">
   <header class="minimal-header" id="site-header">
     <div class="minimal-header-name">
-      <a href="https://w3c.github.io/wcag/techniques/">WCAG 2.2 Techniques</a>
+      <a href="https://waic.jp/translations/WCAG22/Techniques/">WCAG 2.2 テクニック</a>
     </div>
     
       <div class="minimal-header-subtitle">Examples of ways to meet WCAG; not required</div>
     
-    <a class="minimal-header-link" href="https://w3c.github.io/wcag/techniques/about">About WCAG Techniques</a>
+    <a class="minimal-header-link" href="https://waic.jp/translations/WCAG22/Techniques/about">WCAG テクニックについて</a>
     <div class="minimal-header-logo">
       <a href="http://w3.org/" aria-label="W3C">
         <svg xmlns="http://www.w3.org/2000/svg" height="2em" viewBox="0 0 91.968 44">
@@ -73,8 +73,8 @@ <h1><span>Technique F4:</span>Failure of Success Criterion 2.2.2 due to using te
 
 
 <section class="box obsolete-message">
-  <h2 class="box-h">Obsolete</h2>
-  <div class="box-i">The CSS <a href="https://drafts.csswg.org/css-text-decor/#valdef-text-decoration-line-blink"><code>text-decoration:blink</code> value is deprecated</a> and currently has no modern browser support.
+  <h2 class="box-h">廃止</h2>
+  <div class="box-i">CSS <a href="https://drafts.csswg.org/css-text-decor/#valdef-text-decoration-line-blink"><code>text-decoration:blink</code> 値は非推奨であり</a>、現在はモダンブラウザでサポートされていない。
 </div>
 </section>
 
@@ -156,14 +156,13 @@ <h3>Expected Results</h3>
     <svg focusable="false" aria-hidden="true" class="icon-comments" viewBox="0 0 28 28">
       <path d="M22 12c0 4.422-4.922 8-11 8-0.953 0-1.875-0.094-2.75-0.25-1.297 0.922-2.766 1.594-4.344 2-0.422 0.109-0.875 0.187-1.344 0.25h-0.047c-0.234 0-0.453-0.187-0.5-0.453v0c-0.063-0.297 0.141-0.484 0.313-0.688 0.609-0.688 1.297-1.297 1.828-2.594-2.531-1.469-4.156-3.734-4.156-6.266 0-4.422 4.922-8 11-8s11 3.578 11 8zM28 16c0 2.547-1.625 4.797-4.156 6.266 0.531 1.297 1.219 1.906 1.828 2.594 0.172 0.203 0.375 0.391 0.313 0.688v0c-0.063 0.281-0.297 0.484-0.547 0.453-0.469-0.063-0.922-0.141-1.344-0.25-1.578-0.406-3.047-1.078-4.344-2-0.875 0.156-1.797 0.25-2.75 0.25-2.828 0-5.422-0.781-7.375-2.063 0.453 0.031 0.922 0.063 1.375 0.063 3.359 0 6.531-0.969 8.953-2.719 2.609-1.906 4.047-4.484 4.047-7.281 0-0.812-0.125-1.609-0.359-2.375 2.641 1.453 4.359 3.766 4.359 6.375z"></path>
     </svg>
-    <h2>Help improve this page</h2>
+    <h2>このページを改善する</h2>
   </header>
   <div class="box-i">
-  <p>Please share your ideas, suggestions, or comments via e-mail to the publicly-archived list <a href="mailto:public-agwg-comments@w3.org?subject=%5BUnderstanding%20and%20Techniques%20Feedback%5D">public-agwg-comments@w3.org</a> or via GitHub</p>
+  <p>あなたのアイデア、提案、又はコメントを、Google フォーム 又は GitHub で共有してください。</p>
     <div class="button-group">
-      <a href="mailto:public-agwg-comments@w3.org?subject=%5BUnderstanding%20and%20Techniques%20Feedback%5D" class="button"><span>E-mail</span></a>
-      <a href="https://github.com/w3c/wcag/issues/" class="button"><span>Fork &amp; Edit on GitHub</span></a>
-      <a href="https://github.com/w3c/wcag/issues/new" class="button"><span>New GitHub Issue</span></a>
+      <a class="button" href="https://docs.google.com/forms/d/e/1FAIpQLSdIpvogLx8kGIMewhQ6MzhG2pOCQZ50iIBViGg8pUrRJuslKg/viewform?entry.685195438=https%3A%2F%2Fwaic.jp%2Ftranslations%2FWCAG22%2FUnderstanding%2Ffocus-not-obscured-minimum" id="file-issue">翻訳に関するお問い合わせ (Google フォーム)</a>
+      <a href="https://github.com/waic/wcag22/" class="button"><span>GitHub</span></a>
     </div>
   </div>
 </aside>
@@ -185,12 +184,15 @@ <h2>Help improve this page</h2>
       <a href="https://www.w3.org/WAI/about/projects/wai-guide/">WAI-Guide</a> project,
       co-funded by the European Commission.
     </p>
+    <p>この文書は、2025 年 5 月 21 日付けの <a href="https://w3c.github.io/wcag/techniques/">Techniques for WCAG 2.2</a> を、<a href="https://waic.jp/">ウェブアクセシビリティ基盤委員会 (WAIC)</a> の翻訳ワーキンググループが翻訳して公開しているものです。この文書の正式版は、W3C のサイトにある英語版です。正確な内容については、W3C が公開している原文 (英語) をご確認ください。この翻訳文書は作業進行中です。また、あくまで参考情報であり、翻訳上の誤りが含まれていることがあります。
+    </p>
+    <p>この翻訳文書の利用条件については、<a href="https://waic.jp/license-for-translated-documents/">WAICが提供する翻訳文書のライセンス</a>をご覧ください。</p>
   </div>
 </footer>
 
 <footer class="site-footer grid-4q" aria-label="Site">
   <div class="q1-start q3-end about">
-    <div>
+    <!--div>
       <p><a class="largelink" href="https://www.w3.org/WAI/" dir="auto" translate="no" lang="en">W3C Web Accessibility Initiative (WAI)</a></p>
       <p>Strategies, standards, and supporting resources to make the Web accessible to people with disabilities.</p>
     </div>
@@ -201,12 +203,12 @@ <h2>Help improve this page</h2>
         <li><a href="https://www.youtube.com/channel/UCU6ljj3m1fglIPjSjs2DpRA/playlistsv"><svg focusable="false" aria-hidden="true" class="icon-youtube " viewBox="0 0 32 32"><path d="M31.327 8.273c-0.386-1.353-1.431-2.398-2.756-2.777l-0.028-0.007c-2.493-0.668-12.528-0.668-12.528-0.668s-10.009-0.013-12.528 0.668c-1.353 0.386-2.398 1.431-2.777 2.756l-0.007 0.028c-0.443 2.281-0.696 4.903-0.696 7.585 0 0.054 0 0.109 0 0.163l-0-0.008c-0 0.037-0 0.082-0 0.126 0 2.682 0.253 5.304 0.737 7.845l-0.041-0.26c0.386 1.353 1.431 2.398 2.756 2.777l0.028 0.007c2.491 0.669 12.528 0.669 12.528 0.669s10.008 0 12.528-0.669c1.353-0.386 2.398-1.431 2.777-2.756l0.007-0.028c0.425-2.233 0.668-4.803 0.668-7.429 0-0.099-0-0.198-0.001-0.297l0 0.015c0.001-0.092 0.001-0.201 0.001-0.31 0-2.626-0.243-5.196-0.708-7.687l0.040 0.258zM12.812 20.801v-9.591l8.352 4.803z"></path></svg> YouTube</a></li>
         <li><a href="https://www.w3.org/WAI/news/subscribe/" class="button">Get News in Email</a></li>
       </ul>
-    </div>
+    </div-->
     <div dir="auto" translate="no" lang="en">
       <p>Copyright © 2025 World Wide Web Consortium (<a href="https://www.w3.org/">W3C</a><sup>®</sup>). See <a href="/WAI/about/using-wai-material/">Permission to Use WAI Material</a>.</p>
     </div>
   </div>
-  <div dir="auto" translate="no" class="q4-start q4-end" lang="en">
+  <!--div dir="auto" translate="no" class="q4-start q4-end" lang="en">
     <ul style="margin-bottom:0">
       <li><a href="/WAI/about/contacting/">Contact WAI</a></li>
       <li><a href="/WAI/sitemap/">Site Map</a></li>
@@ -215,7 +217,7 @@ <h2>Help improve this page</h2>
       <li><a href="/WAI/translations/"> Translations</a></li>
       <li><a href="/WAI/roles/">Resources for Roles</a></li>
     </ul>
-  </div>
+  </div-->
 </footer>
 
 <link rel="stylesheet" href="../a11y-light.css">
@@ -229,7 +231,7 @@ <h2>Help improve this page</h2>
 </script>
 <script src="https://www.w3.org/WAI/assets/scripts/main.js"></script>
 
-<script>
+<!--script>
   var _paq = _paq || [];
   /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
   _paq.push(["setDoNotTrack", true]);
@@ -245,7 +247,7 @@ <h2>Help improve this page</h2>
 </script>
 <noscript>
   <p><img src="//www.w3.org/analytics/piwik/piwik.php?idsite=328&amp;rec=1" style="border:0;" alt="" /></p>
-</noscript>
-
+</noscript-->
+<script src="https://waic.jp/docs/js/translation-contact.js"></script>
 
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\ No newline at end of file