diff --git a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
index 005b6c87..4779b336 100644
--- a/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
+++ b/src/main/java/com/interplug/qcast/biz/estimate/EstimateService.java
@@ -1504,23 +1504,6 @@ public class EstimateService {
               } while (!prevName.equals(itemName) && itemName.contains("&"));
             }
 
-            // 3. 폰트 미지원 특수문자 치환
-            // PDF는 PdfUtil에서 표준 폰트 fallback으로 ® 등을 렌더링하므로 치환 불필요
-            // Excel은 MS PGothic 고정이므로 ASCII로 치환
-            if (!isPdfDownload) {
-              itemName = itemName
-                  .replace("\u00AE", "(R)")     // ® → (R)
-                  .replace("\u2122", "(TM)")    // ™ → (TM)
-                  .replace("\u00A9", "(C)")     // © → (C)
-                  .replace("\u2013", "-")       // – (en dash) → -
-                  .replace("\u2014", "-")       // — (em dash) → -
-                  .replace("\u2018", "'")       // ' → '
-                  .replace("\u2019", "'")       // ' → '
-                  .replace("\u201C", "\"")      // " → "
-                  .replace("\u201D", "\"")      // " → "
-                  .replace("\u2026", "...");    // … → ...
-            }
-
             itemResponse.setItemName(itemName);
           } catch (Exception e) {
             log.warn("Excel itemName processing failed: {}", itemName);
diff --git a/src/main/java/com/interplug/qcast/util/InterfaceQsp.java b/src/main/java/com/interplug/qcast/util/InterfaceQsp.java
index f813a461..384b625f 100644
--- a/src/main/java/com/interplug/qcast/util/InterfaceQsp.java
+++ b/src/main/java/com/interplug/qcast/util/InterfaceQsp.java
@@ -37,41 +37,41 @@ public class InterfaceQsp {
    * @return String
    * @throws Exception
    */
-  public String callApi(HttpMethod httpMethod, String apiPath, Object requestObject)
-      throws Exception {
-
-    URL url = null;
-    HttpURLConnection con = null;
+  public String callApi(HttpMethod httpMethod, String apiPath, Object requestObject)
+      throws Exception {
+
+    URL url = null;
+    HttpURLConnection con = null;
     OutputStreamWriter osw = null;
-    BufferedReader br = null;
-    StringBuilder sb = null;
-    long startAt = System.currentTimeMillis();
-    String requestType = requestObject == null ? "none" : requestObject.getClass().getSimpleName();
-
-    try {
-
-      // GET 요청 시 requestObject를 쿼리 스트링으로 변환
-      if (HttpMethod.GET.equals(httpMethod) && requestObject != null) {
+    BufferedReader br = null;
+    StringBuilder sb = null;
+    long startAt = System.currentTimeMillis();
+    String requestType = requestObject == null ? "none" : requestObject.getClass().getSimpleName();
+
+    try {
+
+      // GET 요청 시 requestObject를 쿼리 스트링으로 변환
+      if (HttpMethod.GET.equals(httpMethod) && requestObject != null) {
         ObjectMapper om = new ObjectMapper();
         Map<String, Object> params = om.convertValue(requestObject, Map.class); // Object -> Map 변환
         String queryString =
             params.entrySet().stream()
                 .map(entry -> entry.getKey() + "=" + entry.getValue())
-                .reduce((p1, p2) -> p1 + "&" + p2)
-                .orElse("");
-        apiPath += "?" + queryString; // 쿼리 스트링 추가
-      }
-
-      log.debug(
-          "QSP API call start: method={}, url={}, requestType={}",
-          httpMethod,
-          apiPath,
-          requestType);
-      url = new URL(apiPath);
-      con = (HttpURLConnection) url.openConnection();
-      con.setConnectTimeout(120000); // 서버에 연결되는 Timeout 시간 설정
-      con.setReadTimeout(120000); // InputStream 읽어 오는 Timeout 시간 설정
-      con.setRequestMethod(httpMethod.toString());
+                .reduce((p1, p2) -> p1 + "&" + p2)
+                .orElse("");
+        apiPath += "?" + queryString; // 쿼리 스트링 추가
+      }
+
+      log.debug(
+          "QSP API call start: method={}, url={}, requestType={}",
+          httpMethod,
+          apiPath,
+          requestType);
+      url = new URL(apiPath);
+      con = (HttpURLConnection) url.openConnection();
+      con.setConnectTimeout(120000); // 서버에 연결되는 Timeout 시간 설정
+      con.setReadTimeout(120000); // InputStream 읽어 오는 Timeout 시간 설정
+      con.setRequestMethod(httpMethod.toString());
       con.setRequestProperty("Content-Type", "application/json");
       con.setRequestProperty("Referer", frontUrl);
       con.setDoInput(true);
@@ -91,33 +91,34 @@ public class InterfaceQsp {
       }
 
       sb = new StringBuilder();
-      int status = con.getResponseCode();
-      if (status == HttpURLConnection.HTTP_OK) {
-        br = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"));
-
-        String line;
-        while ((line = br.readLine()) != null) {
-          sb.append(line);
-        }
-      }
-      log.debug(
-          "QSP API call end: method={}, url={}, status={}, durationMs={}",
-          httpMethod,
-          apiPath,
-          status,
-          System.currentTimeMillis() - startAt);
-    } catch (Exception e) {
-      log.error(
-          "QSP API call failed: method={}, url={}, durationMs={}",
-          httpMethod,
-          apiPath,
-          System.currentTimeMillis() - startAt,
-          e);
-      throw e;
-    } finally {
-      try {
-        if (osw != null) osw.close();
-        if (br != null) br.close();
+      int status = con.getResponseCode();
+      if (status == HttpURLConnection.HTTP_OK) {
+        log.info("[DEBUG] QSP Content-Type: {}", con.getContentType());
+        br = new BufferedReader(new InputStreamReader(con.getInputStream(), "utf-8"));
+
+        String line;
+        while ((line = br.readLine()) != null) {
+          sb.append(line);
+        }
+      }
+      log.debug(
+          "QSP API call end: method={}, url={}, status={}, durationMs={}",
+          httpMethod,
+          apiPath,
+          status,
+          System.currentTimeMillis() - startAt);
+    } catch (Exception e) {
+      log.error(
+          "QSP API call failed: method={}, url={}, durationMs={}",
+          httpMethod,
+          apiPath,
+          System.currentTimeMillis() - startAt,
+          e);
+      throw e;
+    } finally {
+      try {
+        if (osw != null) osw.close();
+        if (br != null) br.close();
       } catch (Exception e) {
         throw e;
       }
@@ -176,30 +177,30 @@ public class InterfaceQsp {
    * @return String
    * @throws Exception
    */
-  public byte[] callApi(
-      HttpMethod httpMethod, String apiPath, Object requestObject, Map<String, String> result)
-      throws Exception {
-
-    URL url = null;
+  public byte[] callApi(
+      HttpMethod httpMethod, String apiPath, Object requestObject, Map<String, String> result)
+      throws Exception {
+
+    URL url = null;
     HttpURLConnection con = null;
     OutputStreamWriter osw = null;
-    BufferedReader br = null;
-
-    byte[] bt = null;
-    long startAt = System.currentTimeMillis();
-    String requestType = requestObject == null ? "none" : requestObject.getClass().getSimpleName();
-
-    try {
-      log.debug(
-          "QSP API call start: method={}, url={}, requestType={}",
-          httpMethod,
-          apiPath,
-          requestType);
-      url = new URL(apiPath);
-      con = (HttpURLConnection) url.openConnection();
-      con.setConnectTimeout(30000); // 서버에 연결되는 Timeout 시간 설정
-      con.setReadTimeout(30000); // InputStream 읽어 오는 Timeout 시간 설정
-      con.setRequestMethod(httpMethod.toString());
+    BufferedReader br = null;
+
+    byte[] bt = null;
+    long startAt = System.currentTimeMillis();
+    String requestType = requestObject == null ? "none" : requestObject.getClass().getSimpleName();
+
+    try {
+      log.debug(
+          "QSP API call start: method={}, url={}, requestType={}",
+          httpMethod,
+          apiPath,
+          requestType);
+      url = new URL(apiPath);
+      con = (HttpURLConnection) url.openConnection();
+      con.setConnectTimeout(30000); // 서버에 연결되는 Timeout 시간 설정
+      con.setReadTimeout(30000); // InputStream 읽어 오는 Timeout 시간 설정
+      con.setRequestMethod(httpMethod.toString());
       con.setRequestProperty("Content-Type", "application/json");
       con.setRequestProperty("Referer", frontUrl);
       con.setDoInput(true);
@@ -217,40 +218,40 @@ public class InterfaceQsp {
           osw.flush();
         }
       }
-      int status = con.getResponseCode();
-      if (status == HttpURLConnection.HTTP_OK) {
-        // response 헤더 값 결과 셋팅
-        result.put("type", con.getHeaderField("Content-Type"));
-        result.put("disposition", con.getHeaderField("Content-Disposition"));
-
-        InputStream inputStream = con.getInputStream();
+      int status = con.getResponseCode();
+      if (status == HttpURLConnection.HTTP_OK) {
+        // response 헤더 값 결과 셋팅
+        result.put("type", con.getHeaderField("Content-Type"));
+        result.put("disposition", con.getHeaderField("Content-Disposition"));
+
+        InputStream inputStream = con.getInputStream();
         ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
 
         byte[] buffer = new byte[4096];
         int bytesRead;
         while ((bytesRead = inputStream.read(buffer)) != -1) {
           outputStream.write(buffer, 0, bytesRead);
-        }
-        bt = outputStream.toByteArray(); // 파일 데이터 반환
-      }
-      log.debug(
-          "QSP API call end: method={}, url={}, status={}, durationMs={}",
-          httpMethod,
-          apiPath,
-          status,
-          System.currentTimeMillis() - startAt);
-    } catch (Exception e) {
-      log.error(
-          "QSP API call failed: method={}, url={}, durationMs={}",
-          httpMethod,
-          apiPath,
-          System.currentTimeMillis() - startAt,
-          e);
-      throw e;
-    } finally {
-      try {
-        if (osw != null) osw.close();
-        if (br != null) br.close();
+        }
+        bt = outputStream.toByteArray(); // 파일 데이터 반환
+      }
+      log.debug(
+          "QSP API call end: method={}, url={}, status={}, durationMs={}",
+          httpMethod,
+          apiPath,
+          status,
+          System.currentTimeMillis() - startAt);
+    } catch (Exception e) {
+      log.error(
+          "QSP API call failed: method={}, url={}, durationMs={}",
+          httpMethod,
+          apiPath,
+          System.currentTimeMillis() - startAt,
+          e);
+      throw e;
+    } finally {
+      try {
+        if (osw != null) osw.close();
+        if (br != null) br.close();
       } catch (Exception e) {
         throw e;
       }
diff --git a/src/main/java/com/interplug/qcast/util/PdfUtil.java b/src/main/java/com/interplug/qcast/util/PdfUtil.java
index 3373ff4a..2420dfd0 100644
--- a/src/main/java/com/interplug/qcast/util/PdfUtil.java
+++ b/src/main/java/com/interplug/qcast/util/PdfUtil.java
@@ -265,7 +265,7 @@ public class PdfUtil {
    * @return 설정된 FontProvider
    */
   private static DefaultFontProvider setFontProvider(String fontPath) throws IOException {
-    DefaultFontProvider fontProvider = new DefaultFontProvider(false, true, false);
+    DefaultFontProvider fontProvider = new DefaultFontProvider(false, false, false);
     InputStream fontStream = PdfUtil.class.getClassLoader().getResourceAsStream(fontPath);
 
     if (fontStream != null) {