Update app.py

app.py

@@ -893,7 +893,7 @@ with gr.Blocks(css=custom_css) as demo:
 
     session_state = gr.State({"user_id": None, "level": None, "group": 2, "used_passages": []})
 
-    student_id_input = gr.Textbox(label="学生番号（必須）")
+    student_id_input = gr.Textbox(label="Student ID")
 
     group_input = gr.Radio(
         choices=[("Group 1", "1"), ("Group 2", "2")],  # ★表示問題回避のため文字列