diff --git a/assets/styles.css b/assets/styles.css
index b7d46b3..8e8028b 100644
--- a/assets/styles.css
+++ b/assets/styles.css
@@ -279,6 +279,7 @@ button { cursor: pointer; }
 .completion-notice { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin: 20px 22px 0; padding: 15px 17px; border: 1px solid #f0c45c; background: #fff9e8; color: #5b4500; }
 .completion-notice strong { display: block; margin-bottom: 4px; }
 .completion-notice p { margin: 0; font-size: 13px; }
+.completion-done-notice { margin: 20px 22px 0; padding: 15px 17px; border: 1px solid #b3ddce; background: #effaf6; color: var(--green); font-weight: 700; }
 .detail-actions { display: flex; justify-content: space-between; padding: 23px 22px 0; }
 .egbim-page #backButton { display: none; }
 .egbim-page .form-footer:has(#backButton) { display: none; }
diff --git a/egbim/app.js b/egbim/app.js
index 1cdcd4a..a4c3b9d 100644
--- a/egbim/app.js
+++ b/egbim/app.js
@@ -585,11 +585,14 @@
     const editForm = qs('#editForm');
     const editError = qs('#editError');
     const completionNotice = qs("#completionNotice");
+    const completionDoneNotice = qs("#completionDoneNotice");
     const completionButton = qs("#completionButton");
     const renderCompletionNotice = function () {
       const owner = isPostOwner(post, detailUser || getAuthUser());
-      const visible = owner && post.completionRequested && !post.completionConfirmed;
+      const completed = normalizeStatus(post.status) === "완료" || post.completionConfirmed;
+      const visible = owner && !completed && post.completionRequested;
       if (completionNotice) completionNotice.hidden = !visible;
+      if (completionDoneNotice) completionDoneNotice.hidden = !(owner && completed);
     };
     const ownerActions = function () {
       const owner = isPostOwner(post, detailUser || getAuthUser());
diff --git a/egbim/detail.html b/egbim/detail.html
index 2f3a6a2..077854f 100644
--- a/egbim/detail.html
+++ b/egbim/detail.html
@@ -1,8 +1,8 @@
 <!doctype html>
 <html lang="ko">
-<head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>문의 상세 | EG-BIM Q&amp;A</title><link rel="stylesheet" href="../assets/styles.css?v=20260929-1"></head>
+<head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>문의 상세 | EG-BIM Q&amp;A</title><link rel="stylesheet" href="../assets/styles.css?v=20260929-2"></head>
 <body>
   <main class="egbim-page"><section class="page-hero"><div class="hero-inner"><span class="hero-kicker">EG-BIM SUPPORT</span><h1>Q&amp;A</h1><p>EG-BIM 관련 문의하기</p></div><nav class="sub-nav" aria-label="EG-BIM 지원 메뉴"><div class="sub-nav-inner"><a href="index.html" aria-current="page">문의하기(Q&amp;A)</a><a href="#" aria-disabled="true" class="disabled-tab">원격지원</a></div></nav></section>
-    <section class="page-shell" id="detail"><div class="section-heading"><div><h2>문의 상세</h2><p>문의 내용과 답변을 확인할 수 있습니다.</p></div></div><article class="detail-card"><div class="detail-head"><div class="detail-title-line"><h2><span class="category" data-detail-category>문의</span> <span data-detail-title>문의 제목</span></h2><span class="status review" data-detail-status>문의접수</span></div><div class="detail-meta"><span data-detail-date>2026-09-17</span><span data-detail-author>작성자</span><span data-detail-company>회사</span><span data-detail-department>부서</span><span data-detail-secret hidden>🔒 비밀글</span></div></div><div class="detail-body" data-detail-content></div><div class="attachments"><h3>첨부파일</h3><div data-detail-attachments><span class="help-text">첨부된 파일이 없습니다.</span></div></div><div id="completionNotice" class="completion-notice" hidden><div><strong>처리 완료 안내</strong><p>담당자가 처리를 완료했습니다. 내용을 확인하셨다면 완료 확인을 눌러주세요.</p></div><button class="button button-primary" id="completionButton" type="button">완료 확인</button></div><div class="detail-actions"><div class="owner-actions"><button class="button button-outline" id="editButton" type="button" hidden>수정</button><button class="button button-danger" id="deleteButton" type="button" hidden>삭제</button></div><a class="button button-outline" href="index.html">목록</a></div></article><form id="editForm" class="edit-form" hidden><h3>문의 수정</h3><div class="form-row"><label class="form-label" for="editCategory">구분</label><div class="form-control"><select id="editCategory" class="select"><option value="오류문의">오류문의</option><option value="개선문의">개선문의</option><option value="일반문의">일반문의</option></select></div></div><div class="form-row"><label class="form-label" for="editTitle">제목</label><div class="form-control"><input id="editTitle" class="input" maxlength="200" required></div></div><div class="form-row"><label class="form-label" for="editContent">내용</label><div class="form-control column"><textarea id="editContent" class="textarea" maxlength="10000" required></textarea></div></div><div class="form-row"><div class="form-label">설정</div><div class="form-control"><label class="check"><input id="editSecret" type="checkbox"> 비밀글</label></div></div><div class="form-footer"><button class="button button-outline" id="editCancel" type="button">취소</button><button class="button button-primary" type="submit">수정 저장</button></div><div id="editError" class="form-error" role="alert" hidden></div></form><section class="comment-box"><h3>답변 <span id="commentCount">0</span></h3><div id="comments"></div><form id="commentForm" class="comment-form"><label class="sr-only" for="commentContent">댓글 내용</label><textarea id="commentContent" class="textarea" maxlength="5000" placeholder="답변 또는 추가 문의를 입력해주세요" required></textarea><div class="comment-attachment-input"><label class="button button-primary comment-image-button" for="commentImages">이미지 첨부</label><input id="commentImages" type="file" accept="image/*" multiple><div id="commentImagePreview" class="comment-image-preview"></div></div><div class="comment-form-actions"><span id="commentError" class="form-error" role="alert" hidden></span><button class="button button-primary" id="commentSubmit" type="submit">댓글 등록</button></div></form></section><div class="form-footer"><button class="button button-outline" id="backButton" type="button">목록으로</button></div></section>
-  </main><script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-1"></script>
+    <section class="page-shell" id="detail"><div class="section-heading"><div><h2>문의 상세</h2><p>문의 내용과 답변을 확인할 수 있습니다.</p></div></div><article class="detail-card"><div class="detail-head"><div class="detail-title-line"><h2><span class="category" data-detail-category>문의</span> <span data-detail-title>문의 제목</span></h2><span class="status review" data-detail-status>문의접수</span></div><div class="detail-meta"><span data-detail-date>2026-09-17</span><span data-detail-author>작성자</span><span data-detail-company>회사</span><span data-detail-department>부서</span><span data-detail-secret hidden>🔒 비밀글</span></div></div><div class="detail-body" data-detail-content></div><div class="attachments"><h3>첨부파일</h3><div data-detail-attachments><span class="help-text">첨부된 파일이 없습니다.</span></div></div><div id="completionNotice" class="completion-notice" hidden><div><strong>처리 완료 안내</strong><p>담당자가 처리를 완료했습니다. 내용을 확인하셨다면 완료 확인을 눌러주세요.</p></div><button class="button button-primary" id="completionButton" type="button">완료 확인</button></div><div id="completionDoneNotice" class="completion-done-notice" hidden>완료 처리 된 요청 건입니다.</div><div class="detail-actions"><div class="owner-actions"><button class="button button-outline" id="editButton" type="button" hidden>수정</button><button class="button button-danger" id="deleteButton" type="button" hidden>삭제</button></div><a class="button button-outline" href="index.html">목록</a></div></article><form id="editForm" class="edit-form" hidden><h3>문의 수정</h3><div class="form-row"><label class="form-label" for="editCategory">구분</label><div class="form-control"><select id="editCategory" class="select"><option value="오류문의">오류문의</option><option value="개선문의">개선문의</option><option value="일반문의">일반문의</option></select></div></div><div class="form-row"><label class="form-label" for="editTitle">제목</label><div class="form-control"><input id="editTitle" class="input" maxlength="200" required></div></div><div class="form-row"><label class="form-label" for="editContent">내용</label><div class="form-control column"><textarea id="editContent" class="textarea" maxlength="10000" required></textarea></div></div><div class="form-row"><div class="form-label">설정</div><div class="form-control"><label class="check"><input id="editSecret" type="checkbox"> 비밀글</label></div></div><div class="form-footer"><button class="button button-outline" id="editCancel" type="button">취소</button><button class="button button-primary" type="submit">수정 저장</button></div><div id="editError" class="form-error" role="alert" hidden></div></form><section class="comment-box"><h3>답변 <span id="commentCount">0</span></h3><div id="comments"></div><form id="commentForm" class="comment-form"><label class="sr-only" for="commentContent">댓글 내용</label><textarea id="commentContent" class="textarea" maxlength="5000" placeholder="답변 또는 추가 문의를 입력해주세요" required></textarea><div class="comment-attachment-input"><label class="button button-primary comment-image-button" for="commentImages">이미지 첨부</label><input id="commentImages" type="file" accept="image/*" multiple><div id="commentImagePreview" class="comment-image-preview"></div></div><div class="comment-form-actions"><span id="commentError" class="form-error" role="alert" hidden></span><button class="button button-primary" id="commentSubmit" type="submit">댓글 등록</button></div></form></section><div class="form-footer"><button class="button button-outline" id="backButton" type="button">목록으로</button></div></section>
+  </main><script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-2"></script>
 </body></html>
diff --git a/egbim/index.html b/egbim/index.html
index efd071a..c65ca61 100644
--- a/egbim/index.html
+++ b/egbim/index.html
@@ -5,7 +5,7 @@
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <meta name="description" content="EG-BIM Q&A 문의 게시판">
   <title>EG-BIM Q&A | 바론컨설턴트</title>
-  <link rel="stylesheet" href="../assets/styles.css?v=20260929-1">
+  <link rel="stylesheet" href="../assets/styles.css?v=20260929-2">
 </head>
 <body>
   <main class="qa-list-page">
@@ -23,6 +23,6 @@
     </section>
   </main>
   <div id="toast" class="toast" role="status" aria-live="polite"></div>
-  <script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-1"></script>
+  <script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-2"></script>
 </body>
 </html>
diff --git a/egbim/write.html b/egbim/write.html
index 0b13185..55b96f5 100644
--- a/egbim/write.html
+++ b/egbim/write.html
@@ -1,8 +1,8 @@
 <!doctype html>
 <html lang="ko">
-<head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>문의 등록 | EG-BIM Q&amp;A</title><link rel="stylesheet" href="../assets/styles.css?v=20260929-1"></head>
+<head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1"><title>문의 등록 | EG-BIM Q&amp;A</title><link rel="stylesheet" href="../assets/styles.css?v=20260929-2"></head>
 <body>
   <main class="egbim-page"><section class="page-hero"><div class="hero-inner"><span class="hero-kicker">EG-BIM SUPPORT</span><h1>Q&amp;A</h1><p>EG-BIM 관련 문의하기</p></div><nav class="sub-nav" aria-label="EG-BIM 지원 메뉴"><div class="sub-nav-inner"><a href="index.html" aria-current="page">문의하기(Q&amp;A)</a><a href="#" aria-disabled="true" class="disabled-tab">원격지원</a></div></nav></section>
     <section class="page-shell"><div class="section-heading"><div><h2>문의 등록</h2><p>로그인한 사용자 정보로 문의가 등록됩니다.</p></div></div><div class="form-notice" data-auth-state>로그인 상태를 확인하고 있습니다.</div><div class="form-error" id="formError" role="alert"></div><form id="qaForm" novalidate><div class="form-card" id="writeFields"><div class="form-row"><label class="form-label" for="category">구분 <span class="required">*</span></label><div class="form-control"><select class="select" id="category" required><option value="">선택해주세요</option><option>오류문의</option><option>개선문의</option><option>일반문의</option></select></div></div><div class="form-row"><label class="form-label" for="title">제목 <span class="required">*</span></label><div class="form-control"><input class="input" id="title" type="text" maxlength="100" placeholder="문의 제목을 입력해주세요" required></div></div><div class="form-row"><span class="form-label">공개 설정</span><div class="form-control"><label class="check"><input id="secret" type="checkbox"> 비밀글로 등록</label></div></div><div class="form-row"><label class="form-label" for="content">내용 <span class="required">*</span></label><div class="form-control column"><textarea class="textarea" id="content" placeholder="문의 내용을 작성해주세요" required></textarea><span class="help-text">개인정보, 비밀번호, 인증번호 등 민감한 정보는 입력하지 마세요.</span></div></div><div class="form-row"><label class="form-label" for="attachment">첨부파일</label><div class="form-control column"><input class="file-input" id="attachment" type="file" multiple><span class="help-text">파일은 문의와 함께 안전하게 업로드됩니다. 파일당 최대 30MB</span></div></div></div><div class="form-footer"><a class="button button-outline" href="index.html">취소</a><button class="button button-primary" id="submitButton" type="submit">문의 등록</button></div></form></section>
-  </main><div id="toast" class="toast" role="status" aria-live="polite"></div><script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-1"></script>
+  </main><div id="toast" class="toast" role="status" aria-live="polite"></div><script src="config.js?v=20260921-3"></script><script src="app.js?v=20260929-2"></script>
 </body></html>