diff --git a/app/workers/chunk_worker.py b/app/workers/chunk_worker.py
index a9f1baf..f6ff953 100644
--- a/app/workers/chunk_worker.py
+++ b/app/workers/chunk_worker.py
@@ -313,8 +313,16 @@ async def process(document_id: int, session: AsyncSession) -> None:
     client = AIClient()
     try:
         for idx, c in enumerate(chunk_dicts):
+            # Phase 1.2-G: embedding 입력 강화 (자연어 query ↔ 법령 조항 의미 매칭 개선)
+            # 짧은 본문이나 segment-only chunk는 임베딩 signal이 약함 → title/section 포함.
+            section = c.get("section_title") or ""
+            embed_input = (
+                f"[제목] {doc.title or ''}\n"
+                f"[섹션] {section}\n"
+                f"[본문] {c['text']}"
+            )
             try:
-                embedding = await client.embed(c["text"])
+                embedding = await client.embed(embed_input)
             except Exception as e:
                 logger.warning(f"[chunk] document_id={document_id} chunk {idx} 임베딩 실패: {e}")
                 embedding = None