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--- a/README.ja.md
+++ b/README.ja.md
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+<p align="center">
+  <img src="assets/clawdroid.png" alt="ClawDroid" width="300">
+</p>
+
 # ClawDroid
 
 Android 向け超軽量パーソナル AI アシスタント。Go バックエンドが Termux 上で動作し、ネイティブ Kotlin/Jetpack Compose アプリがチャット UI、音声アシスタント、デバイス自動操作を提供します。
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--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+<p align="center">
+  <img src="assets/clawdroid.png" alt="ClawDroid" width="300">
+</p>
+
 # ClawDroid
 
 **[日本語版](README.ja.md)**
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