update assets

ks6088ts · ks6088ts · commit 1870011030ba · 2025-08-10T16:57:19.000+09:00
diff --git a/docs/images/streamlit.png b/docs/images/streamlit.png
diff --git a/docs/index.ja.md b/docs/index.ja.md
@@ -222,7 +222,7 @@ uv run streamlit run \
 
 Streamlit アプリのデモ：
 
-[![streamlit.png](./images/streamlit.png)](https://youtu.be/z7QhEsqIGAk)
+[![streamlit.png](./images/streamlit.png)](https://youtu.be/undxBwyJ3Sc)
 
 ## 実演されている主要概念
 
diff --git a/docs/index.md b/docs/index.md
@@ -222,7 +222,7 @@ uv run streamlit run \
 
 Demonstration of the Streamlit app:
 
-[![streamlit.png](./images/streamlit.png)](https://youtu.be/z7QhEsqIGAk)
+[![streamlit.png](./images/streamlit.png)](https://youtu.be/undxBwyJ3Sc)
 
 ## Key Concepts Demonstrated
 
