diff --git a/src/images/donators/rizap-technologies.png b/src/images/donators/rizap-technologies.png
new file mode 100644
index 00000000..a2e47711
Binary files /dev/null and b/src/images/donators/rizap-technologies.png differ
diff --git a/src/pages/index.astro b/src/pages/index.astro
index b102d0cc..90ebecb9 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -12,6 +12,7 @@ import { getArticles, getProjects } from "+/query.ts";
 import { Focus } from "+/schema.ts";
 
 import LogoGMOMedia from "+/images/donators/gmo-media.png";
+import LogoRIZAPTechnologies from "+/images/donators/rizap-technologies.png";
 import Hero from "+/images/headers/index.jpg";
 import LabCafe from "+/images/lab-cafe.jpg";
 
@@ -218,6 +219,14 @@ articles.splice(3);
           width="320"
         />
       </li>
+      <li>
+        <Picture
+          alt="RIZAPテクノロジーズ株式会社"
+          src={LogoRIZAPTechnologies}
+          class="object-contain"
+          width="320"
+        />
+      </li>
     </ul>
   </section>
   <section class="bg-gray-200">