construct the location of the components

app.py

@@ -50,7 +50,8 @@ with gr.Blocks() as iface:
             input_text = gr.Textbox(label="テキスト")
             input_url = gr.Textbox(label="URL")
             chat_btn = gr.Button("Chat")
-        output_text = gr.Textbox(label="回答")
+        with gr.Column():
+            output_text = gr.Textbox(label="回答")
     
     # Event handler
     chat_btn.click(fn=chat, inputs=[input_text, input_url], outputs=output_text)