From 2b18d72f7a04d8bf5b9aad4cb38e07331f6672aa Mon Sep 17 00:00:00 2001
From: Codex Night Worker <codex-night@localhost>
Date: Sat, 14 Nov 2026 02:58:39 +0900
Subject: [PATCH] AI: address issue #404

---
 frontend/src/pages/wiki/WikiDetailPage.tsx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/frontend/src/pages/wiki/WikiDetailPage.tsx b/frontend/src/pages/wiki/WikiDetailPage.tsx
index 758925a..d5a5099 100644
--- a/frontend/src/pages/wiki/WikiDetailPage.tsx
+++ b/frontend/src/pages/wiki/WikiDetailPage.tsx
@@ -51,7 +51,8 @@ const WikiDetailPage: FC = () => {
       queryKey: helpKeys.titles ('ja'),
       queryFn: () => getHelpTitleIndex ('ja'),
       staleTime: Infinity })
-  const lookupTitle = title.trim ().normalize ('NFKC').toLowerCase ().replace (/^ヘルプ:/, '')
+  const lookupTitle = title.trim ().normalize ('NFKC').toLowerCase ()
+      .replace (/^(?:ヘルプ|手引):/, '')
   const identifiers = useMemo (() => (
       (titleIndex != null && Object.hasOwn (titleIndex, lookupTitle))
       ? titleIndex[lookupTitle] : []), [titleIndex, lookupTitle])