diff --git a/document/①仕様書_園児別出欠簿入力_20250507.xlsx b/document/①仕様書_園児別出欠簿入力_20250507.xlsx
new file mode 100644
index 0000000..db1b285
Binary files /dev/null and b/document/①仕様書_園児別出欠簿入力_20250507.xlsx differ
diff --git a/src/園児別出欠簿入力/ExtractHandler.js b/src/園児別出欠簿入力/ExtractHandler.js
index 66559cd..a990abc 100644
--- a/src/園児別出欠簿入力/ExtractHandler.js
+++ b/src/園児別出欠簿入力/ExtractHandler.js
@@ -162,7 +162,9 @@ class ExtractHandler {
 
     function fillMainPage(baseCells, worksheet, recordMap) {
       baseCells['番号'] = baseCells['番号'].filter((_, index) => index % 2 !== 0);
-      const sortedRecords = Object.values(recordMap.byId).sort((a, b) => a['idKey'].localeCompare(b['idKey']));
+      const sortedRecords = Object.values(recordMap.byId).sort((a, b) =>
+        parseInt(a['id'], 10) - parseInt(b['id'], 10)
+      );
 
       const lastPage = 2;
       const baseForTemplate = baseCells['番号'][lastPage - 1]; // 番号 merged 2 rows