diff --git a/frontend/src/components/common/keyword/Keyword.tsx b/frontend/src/components/common/keyword/Keyword.tsx
index 309c14ea..bbaa9b2a 100644
--- a/frontend/src/components/common/keyword/Keyword.tsx
+++ b/frontend/src/components/common/keyword/Keyword.tsx
@@ -28,12 +28,16 @@ const Keyword = ({ currentKeywords, onKeywordsChange, error }: KeywordProps) =>
       const trimmedKeyword = keyword.trim();
 
       if (trimmedKeyword === "") return;
-      if (currentKeywords.includes(trimmedKeyword)) {
+
+      if (trimmedKeyword.includes("⠀") || currentKeywords.includes(trimmedKeyword)) {
         setKeyword("");
         return;
       }
-      onKeywordsChange([...currentKeywords, trimmedKeyword]);
-      setKeyword("");
+
+      if (e.nativeEvent.isComposing === false) {
+        onKeywordsChange([...currentKeywords, trimmedKeyword]);
+        setKeyword("");
+      }
     }
   };
 
diff --git a/frontend/src/pages/callback/CallbackPage.style.ts b/frontend/src/pages/callback/CallbackPage.style.ts
index 141f145c..014a8fbb 100644
--- a/frontend/src/pages/callback/CallbackPage.style.ts
+++ b/frontend/src/pages/callback/CallbackPage.style.ts
@@ -1,4 +1,5 @@
 import styled, { keyframes } from "styled-components";
+import { Z_INDEX } from "@/styles/zIndex";
 
 export const CallbackPageContainer = styled.div`
   display: flex;
@@ -41,6 +42,7 @@ export const LoadingContainer = styled.div`
   border-radius: 25px;
 
   p {
+    z-index: ${Z_INDEX.header};
     font: ${({ theme }) => theme.TEXT.medium_bold};
     color: ${({ theme }) => theme.COLOR.grey4};
   }