diff --git a/src/thisWorkbook/Master_M1_Kukan.bas b/src/thisWorkbook/Master_M1_Kukan.bas
index cd54ef4..8b0bf1b 100644
--- a/src/thisWorkbook/Master_M1_Kukan.bas
+++ b/src/thisWorkbook/Master_M1_Kukan.bas
@@ -6,21 +6,48 @@ Const END_COL As Long = 14 ' N column
 Const ERROR_COL As Long = 15 ' O column
 
 Private z1Cache As Object ' Z1 cache
+Private enumCache As Object ' Z1 cache
 
 ' ====== Function ======
 Public Sub RefreshZ1Cache()
+    On Error GoTo RefreshError
     Set z1Cache = LoadLookup("Z1", keyCol:=3, valueCols:=Array(4), startRow:=7)
+    On Error GoTo 0
+    
+    If z1Cache Is Nothing Or z1Cache.Count = 0 Then
+        Err.Raise 1001, "RefreshZ1Cache", "Z1 reference data is empty"
+    End If
+    
+    Exit Sub
+
+RefreshError:
+    Err.Raise 1002, "RefreshZ1Cache", "Failed to load Z1 lookup cache: " & Err.Description
+End Sub
+
+Public Sub RefreshEnumCache()
+    On Error GoTo RefreshError
+    Set tokubetuKbn = LoadLookup("Enum", keyCol:=3, valueCols:=Array(3), startRow:=3)
+    On Error GoTo 0
+    
+    If tokubetuKbn Is Nothing Or tokubetuKbn.Count = 0 Then
+        Err.Raise 1003, "RefreshZ1Cache", "Enum reference data is empty"
+    End If
+    
+    Exit Sub
+
+RefreshError:
+    Err.Raise 1001, "RefreshZ1Cache", "Failed to load Z1 lookup cache: " & Err.Description
 End Sub
 
 ' Get CSV header from row 5 (columns C to N)
 Function GetM1CSVHeader(ByVal ws As Worksheet) As Variant
     Dim headerArr(1 To 1, 1 To 12) As String
     Dim i As Long
-    
+
     For i = 1 To 12
         headerArr(1, i) = Trim(ws.Cells(5, i + 2).Value)  ' i+2: 1→3(C), 12→14(N)
     Next i
-    
+
     GetM1CSVHeader = headerArr
 End Function
 
@@ -59,7 +86,7 @@ Sub FillFromZ1(ByVal rowNum As Long)
 
     If z1Cache.Exists(code) Then
         Dim vals As Variant: vals = z1Cache(code)
-        
+
         ws.Cells(rowNum, 4).Value = vals(0)
         ws.Cells(rowNum, 5).Value = vals(1)
     Else
@@ -80,48 +107,48 @@ Sub M1_Import()
     Dim csvData As Variant
     Dim i As Long
     Dim writeRow As Long
-    
+
     ' Target this worksheet
     Set wsTarget = Me
-    
+
     ' === Step 1: Select CSV file ===
     Dim filePath As String
     filePath = SelectCSVFile()
     If filePath = "" Then Exit Sub
-    
+
     ' === Step 2: Read CSV with Shift-JIS (using common function) ===
     On Error GoTo ImportError
     csvData = ReadCSVAs2DArrayStrict(filePath, 12, "shift_jis", False)
     On Error GoTo 0
-    
+
     ' === Clear all data rows before import ===
     Dim lastRow As Long
     lastRow = wsTarget.Cells(wsTarget.Rows.Count, "C").End(xlUp).Row
     If lastRow >= 7 Then
         wsTarget.Range("A7:N" & lastRow).ClearContents
     End If
-    
+
     If UBound(csvData, 1) < 1 Then
         MsgBox "No data in CSV.", vbExclamation
         Exit Sub
     End If
-    
+
     ' === Step 3: Write CSV data to worksheet (forward order) ===
     writeRow = 7
-    
+
     For i = LBound(csvData, 1) To UBound(csvData, 1)
         ' CSV col 1-12 -> C-N column
         Dim j As Long
         For j = 1 To 12
             wsTarget.Cells(writeRow, j + 2).Value = CleanCSVField(CStr(csvData(i, j)))
         Next j
-        
+
         ' Auto-fill D, E columns from Z1
         Call FillFromZ1(writeRow)
-        
+
         writeRow = writeRow + 1
     Next i
-    
+
     MsgBox writeRow - 7 & " rows imported.", vbInformation
     Exit Sub
 
@@ -170,8 +197,7 @@ Sub validate(ByVal rowNum As Long, ByVal lastDataRow As Long)
 
     ' Check D and E column in the cache
     If z1Cache Is Nothing Then Call RefreshZ1Cache
-    If z1Cache Is Nothing Then Exit Sub
-
+    
     Dim dValue As String: dValue = Trim(ws.Range("D" & rowNum).Value)
     Dim eValue As String: eValue = Trim(ws.Range("E" & rowNum).Value)
 
@@ -186,26 +212,35 @@ Sub validate(ByVal rowNum As Long, ByVal lastDataRow As Long)
             ws.Cells(rowNum, ERROR_COL).Value = "Invalid reference data for D column."
             Exit Sub
         End If
-        
+
         Dim expectedEValue As String
         expectedEValue = Trim(CStr(valueArray(0)))
-        
+
         If eValue <> expectedEValue Then
             ws.Cells(rowNum, ERROR_COL).Value = "E column does not match reference data."
             ws.Range("E" & rowNum).Interior.Color = RGB(255, 0, 0)
             Exit Sub
         End If
     End If
-   
+
+    ' Check L column in the cache
+    If enumCache Is Nothing Then Call RefreshEnumCache
+    Dim lValue As String: lValue = Trim(ws.Range("L" & rowNum).Value)
+    If Not enumCache.Exists(lValue) Then
+        ws.Cells(rowNum, ERROR_COL).Value = "L column does not exist."
+        ws.Range("L" & rowNum).Interior.Color = RGB(255, 0, 0)
+        Exit Sub
+    End If
+    
     ' Validation passed - clear error
     ws.Cells(rowNum, ERROR_COL).ClearContents
 End Sub
 
-
-Sub validateButton()
+' Validate button
+Sub M1_validateButton()
     Dim lastDataRow As Long, r As Long, errorCount As Long
     lastDataRow = GetLastDataRowInRange(Me, START_COL, END_COL)
-    
+
     If lastDataRow < 7 Then
         MsgBox "No data found.", vbExclamation
         Exit Sub
@@ -217,7 +252,7 @@ Sub validateButton()
             errorCount = errorCount + 1
         End If
     Next r
-    
+
     MsgBox "Validation complete. Errors: " & errorCount, vbInformation
 End Sub
 
@@ -230,7 +265,7 @@ Sub M1_Export()
 
     Dim ws As Worksheet
     Set ws = Me
-    
+
     ' === Step 1: Validate all rows before export ===
     Dim r As Long, errorCount As Long
     For r = 7 To lastDataRow
@@ -241,39 +276,39 @@ Sub M1_Export()
             End If
         End If
     Next r
-    
+
     If errorCount > 0 Then
         MsgBox "Validation failed. Found " & errorCount & " error(s). Please correct them before exporting.", vbCritical
         Exit Sub
     End If
-    
+
     ' === Step 2: Select save path ===
     Dim savePath As String
     savePath = GetSaveCSVPath()
     If savePath = "" Then Exit Sub
-    
+
     ' === Step 3: Get header from row 5 (C-N columns) ===
     Dim headerArr As Variant
     headerArr = GetM1CSVHeader(ws)
-    
+
     ' === Step 4: Build data array (skip D, E, F columns) ===
     Dim dataArr As Variant
     Dim rowCount As Long
     rowCount = 0
-    
+
     For r = 7 To lastDataRow
         If Len(Trim(ws.Cells(r, 3).Value & "")) > 0 Then
             rowCount = rowCount + 1
         End If
     Next r
-    
+
     If rowCount = 0 Then
         MsgBox "No data rows to output.", vbExclamation
         Exit Sub
     End If
-    
+
     ReDim dataArr(1 To rowCount, 1 To 12)
-    
+
     Dim dataRow As Long
     dataRow = 0
     For r = 7 To lastDataRow
@@ -288,17 +323,17 @@ Sub M1_Export()
             Next j
         End If
     Next r
-    
+
     ' === Step 5: Write to CSV (using common function) ===
     Dim outputArr As Variant
     ReDim outputArr(1 To rowCount + 1, 1 To 12)
-    
+
     ' Copy header to first row
     Dim colIdx As Long
     For colIdx = 1 To 12
         outputArr(1, colIdx) = headerArr(1, colIdx)
     Next colIdx
-    
+
     ' Copy data to remaining rows
     Dim dataR As Long
     For dataR = 1 To rowCount
@@ -306,11 +341,11 @@ Sub M1_Export()
             outputArr(dataR + 1, colIdx) = dataArr(dataR, colIdx)
         Next colIdx
     Next dataR
-    
+
     On Error GoTo ExportError
     Call WriteCSVFromArray(savePath, outputArr, "shift_jis", False)
     On Error GoTo 0
-    
+
     MsgBox "CSV export completed. Total data rows: " & rowCount, vbInformation
     Exit Sub
 
@@ -323,9 +358,9 @@ Sub M1_SortDataRowsByC()
 End Sub
 
 Sub M1_ToggleAutoFilter()
-    Call ToggleAutoFilter(3, 14)
+    Call ToggleAutoFilter(START_COL, END_COL)
 End Sub
 
 Sub M1_AutoFitColumnWidth()
-    Call AutoFitColumnWidth(3, 14)
+    Call AutoFitColumnWidth(START_COL, END_COL)
 End Sub
\ No newline at end of file
diff --git a/通勤手当テンプレート_案.xlsm b/通勤手当テンプレート_案.xlsm
index a304f4a..4fa17af 100644
Binary files a/通勤手当テンプレート_案.xlsm and b/通勤手当テンプレート_案.xlsm differ