diff --git a/SumasenLibs/excel_lib/sumaexcel/sumaexcel.py b/SumasenLibs/excel_lib/sumaexcel/sumaexcel.py
index c12154f..c977537 100644
--- a/SumasenLibs/excel_lib/sumaexcel/sumaexcel.py
+++ b/SumasenLibs/excel_lib/sumaexcel/sumaexcel.py
@@ -416,11 +416,22 @@ class SumasenExcel:
 
             print(f"min_col, min_row, max_col, max_row = {target_min_col}, {target_min_row}, {target_max_col}, {target_max_row}")
 
-            # 新しいシートを作成（必要な場合）
-            if 'Sheet' not in self.workbook.sheetnames:
-                self.current_sheet = self.workbook.create_sheet('Sheet')
+            # Get template sheet name from ini file
+            section_config = self.conf.get_section(self.section_list[0])  # 現在の処理中のセクション
+            template_sheet_name = section_config.get("template_sheet")
+
+            if not template_sheet_name:
+                raise ValueError("Template sheet name not found in configuration")
+
+            # Create new sheet with template name if it doesn't exist
+            if template_sheet_name not in self.workbook.sheetnames:
+                self.current_sheet = self.workbook.create_sheet(template_sheet_name)
             else:
-                self.current_sheet = self.workbook['Sheet']
+                self.current_sheet = self.workbook[template_sheet_name]
+
+            # Remove default sheet if it exists
+            if 'Sheet' in self.workbook.sheetnames:
+                del self.workbook['Sheet']
 
             # Copy column widths
             for col in range(orig_min_col, orig_max_col + 1):
@@ -429,6 +440,16 @@ class SumasenExcel:
                     self.current_sheet.column_dimensions[col_letter].width = \
                         self.template_sheet.column_dimensions[col_letter].width
 
+            # Copy row heights
+            for row in range(orig_min_row, orig_max_row + 1):
+                target_row = row - orig_min_row + target_min_row
+                if row in self.template_sheet.row_dimensions:
+                    source_height = self.template_sheet.row_dimensions[row].height
+                    if source_height is not None:
+                        if target_row not in self.current_sheet.row_dimensions:
+                            self.current_sheet.row_dimensions[target_row] = openpyxl.worksheet.dimensions.RowDimension(target_row)
+                        self.current_sheet.row_dimensions[target_row].height = source_height
+
             # Copy merged cells
             for merged_range in self.template_sheet.merged_cells:
                 min_col, min_row, max_col, max_row = range_boundaries(str(merged_range))
diff --git a/SumasenLibs/excel_lib/testdata/certificate_template.xlsx b/SumasenLibs/excel_lib/testdata/certificate_template.xlsx
index 19b4c60..2baa17d 100644
Binary files a/SumasenLibs/excel_lib/testdata/certificate_template.xlsx and b/SumasenLibs/excel_lib/testdata/certificate_template.xlsx differ