diff --git a/ecs/jskult-webapp/src/data/BioData_template.xlsx b/ecs/jskult-webapp/src/data/BioData_template.xlsx
index c548d308..4d5717ac 100644
Binary files a/ecs/jskult-webapp/src/data/BioData_template.xlsx and b/ecs/jskult-webapp/src/data/BioData_template.xlsx differ
diff --git a/ecs/jskult-webapp/src/services/bio_view_service.py b/ecs/jskult-webapp/src/services/bio_view_service.py
index 28a96621..88d28b50 100644
--- a/ecs/jskult-webapp/src/services/bio_view_service.py
+++ b/ecs/jskult-webapp/src/services/bio_view_service.py
@@ -2,6 +2,7 @@ import asyncio
 import functools
 import os
 import shutil
+from copy import copy
 from datetime import datetime
 
 import pandas as pd
@@ -160,7 +161,7 @@ class BioViewService(BaseService):
             formatted_cell = sheet['A2']
             for row in sheet[f'A2:AK{data_frame_range + 1}']:
                 for cell in row:
-                    cell._style = formatted_cell._style
+                    cell._style = copy(formatted_cell._style)
 
             data_frame_chunk_size = 2000  # 1回あたりの書き出し行数
             is_first = True  # ループの初回