diff --git a/backend/apps/fields/views.py b/backend/apps/fields/views.py
index ba17b6b..e7bd8cb 100644
--- a/backend/apps/fields/views.py
+++ b/backend/apps/fields/views.py
@@ -24,22 +24,23 @@ def import_kyosai_master(request):
 
     try:
         df = pd.read_excel(ods_file, engine='odf')
+        df.columns = df.columns.str.strip()
         
         created_count = 0
         updated_count = 0
 
         for _, row in df.iterrows():
-            k_num = str(row.get('k_num', '')).strip() if pd.notna(row.get('k_num')) else ''
-            s_num = str(row.get('s_num', '')).strip() if pd.notna(row.get('s_num')) else ''
+            k_num = str(row.get('耕地番号', '')).strip() if pd.notna(row.get('耕地番号')) else ''
+            s_num = str(row.get('分筆番号', '')).strip() if pd.notna(row.get('分筆番号')) else ''
             
             if not k_num:
                 continue
 
             defaults = {
                 's_num': s_num,
-                'address': str(row.get('address', '')).strip() if pd.notna(row.get('address')) else '',
-                'kanji_name': str(row.get('kanji_name', '')).strip() if pd.notna(row.get('kanji_name')) else '',
-                'area': float(row.get('area', 0)) if pd.notna(row.get('area')) else 0,
+                'address': str(row.get('地名 地番', '')).strip() if pd.notna(row.get('地名 地番')) else '',
+                'kanji_name': str(row.get('漢字地名', '')).strip() if pd.notna(row.get('漢字地名')) else '',
+                'area': float(row.get('本地面積(m2)', 0)) if pd.notna(row.get('本地面積(m2)')) else 0,
             }
 
             obj, created = OfficialKyosaiField.objects.update_or_create(
@@ -73,28 +74,29 @@ def import_yoshida_fields(request):
 
     try:
         df = pd.read_excel(ods_file, engine='odf')
+        df.columns = df.columns.str.strip()
         
         created_count = 0
         updated_count = 0
 
         for _, row in df.iterrows():
-            name = str(row.get('name', '')).strip() if pd.notna(row.get('name')) else ''
+            name = str(row.get('名称', '')).strip() if pd.notna(row.get('名称')) else ''
             
             if not name:
                 continue
 
-            raw_kyosai_k = str(int(row.get('raw_kyosai_k_num', 0))) if pd.notna(row.get('raw_kyosai_k_num')) else None
-            raw_kyosai_s = str(int(row.get('raw_kyosai_s_num', 0))) if pd.notna(row.get('raw_kyosai_s_num')) else None
-            raw_chusankan = str(int(row.get('raw_chusankan_id', 0))) if pd.notna(row.get('raw_chusankan_id')) else None
+            raw_kyosai_k = str(int(row.get('細目_耕地番号', 0))) if pd.notna(row.get('細目_耕地番号')) else None
+            raw_kyosai_s = str(int(row.get('細目_分筆番号', 0))) if pd.notna(row.get('細目_分筆番号')) else None
+            raw_chusankan = str(int(row.get('中山間_ID', 0))) if pd.notna(row.get('中山間_ID')) else None
 
-            area_tan = float(row.get('area_tan', 0)) if pd.notna(row.get('area_tan')) else 0
-            area_m2 = int(row.get('area_m2', 0)) if pd.notna(row.get('area_m2')) else 0
+            area_tan = float(row.get('面積(反)', 0)) if pd.notna(row.get('面積(反)')) else 0
+            area_m2 = int(area_tan * 1000) if area_tan else 0
 
             defaults = {
-                'address': str(row.get('address', '')).strip() if pd.notna(row.get('address')) else '',
+                'address': str(row.get('住所', '')).strip() if pd.notna(row.get('住所')) else '',
                 'area_tan': area_tan,
                 'area_m2': area_m2,
-                'owner_name': str(row.get('owner_name', '')).strip() if pd.notna(row.get('owner_name')) else '',
+                'owner_name': str(row.get('地主', '')).strip() if pd.notna(row.get('地主')) else '',
                 'raw_kyosai_k_num': raw_kyosai_k,
                 'raw_kyosai_s_num': raw_kyosai_s,
                 'raw_chusankan_id': raw_chusankan,