diff --git a/src/pages/LectureInfo/styled.js b/src/pages/LectureInfo/styled.js
index 9e6f7b7c..b77188fc 100644
--- a/src/pages/LectureInfo/styled.js
+++ b/src/pages/LectureInfo/styled.js
@@ -71,6 +71,12 @@ export const SearchInput = styled.input`
   &:focus {
     outline: none;
   }
+
+  @media screen and (max-width: 480px) {
+    font-size: 16px;
+    width: 123%;
+    transform: scale(0.8);
+  }
 `;
 
 export const Content = styled.div`
diff --git a/src/pages/Main/styled.js b/src/pages/Main/styled.js
index c1de9ff8..5c3026cc 100644
--- a/src/pages/Main/styled.js
+++ b/src/pages/Main/styled.js
@@ -94,6 +94,12 @@ export const SearchInput = styled.input`
   &:focus {
     outline: none;
   }
+
+  @media screen and (max-width: 480px) {
+    font-size: 16px;
+    width: 123%;
+    transform: scale(0.8);
+  }
 `;
 
 export const HeadSelection = styled.div`