diff --git a/src/pages/MainPage/AnimatedText.tsx b/src/pages/MainPage/AnimatedText.tsx
index 6894b48..28ff3b3 100644
--- a/src/pages/MainPage/AnimatedText.tsx
+++ b/src/pages/MainPage/AnimatedText.tsx
@@ -72,7 +72,7 @@ const AnimatedText: React.FC<AnimatedTextProps> = ({
       h="30px"
       display="flex"
       alignItems="center"
-      fontSize={{ base: "lg", md: "xl" }}
+      fontSize={{ base: "md", md: "xl" }}
       mt={-2}
       fontWeight={"md"}
       opacity={opacity}
diff --git a/src/pages/MainPage/Sidebar/Sidebar.tsx b/src/pages/MainPage/Sidebar/Sidebar.tsx
index 9ada891..19ddbae 100644
--- a/src/pages/MainPage/Sidebar/Sidebar.tsx
+++ b/src/pages/MainPage/Sidebar/Sidebar.tsx
@@ -611,8 +611,8 @@ export const Sidebar: React.FC<SidebarProps> = ({ isOpen, toggleSidebar }) => {
             {/* 학부 정보 */}
             <Box
               fontFamily="'Nanum Gothic'"
-              fontSize={{ base: "10px", md: "12px" }}
-              pl={{ base: "15px", md: "30px" }}
+              fontSize={{ base: "9px", md: "12px" }}
+              pl={{ base: "20px", md: "30px" }}
               pr={0}
               pt={5}
               pb={50}
diff --git a/src/pages/MainPage/UserPage.tsx b/src/pages/MainPage/UserPage.tsx
index 38cf489..7ab0146 100644
--- a/src/pages/MainPage/UserPage.tsx
+++ b/src/pages/MainPage/UserPage.tsx
@@ -71,7 +71,7 @@ const UserPage = () => {
       >
         <Text
           fontFamily={"Nanum Gothic"}
-          fontSize={{ base: "lg", md: "3xl" }}
+          fontSize={{ base: "md", md: "3xl" }}
           fontWeight={"bold"}
           mb="20px"
           color="#555"
@@ -80,7 +80,7 @@ const UserPage = () => {
         </Text>
         <Button
           onClick={createNewHistory}
-          fontSize={{ base: "lg", md: "2xl" }}
+          fontSize={{ base: "md", md: "2xl" }}
           bg="#FCF6DC"
           _hover={{ bg: "#CBC096", transform: "scale(1.01)" }}
           mb="30px"
diff --git a/src/pages/SignupPage/SignupPage.tsx b/src/pages/SignupPage/SignupPage.tsx
index 405648e..855ee3e 100644
--- a/src/pages/SignupPage/SignupPage.tsx
+++ b/src/pages/SignupPage/SignupPage.tsx
@@ -252,7 +252,7 @@ const SignupPage: React.FC = () => {
 
           {/* 닉네임 입력 */}
           <Input
-            placeholder="닉네임"
+            placeholder="닉네임 (7글자 이하로 입력해주세요)"
             bg="white"
             fontSize={"sm"}
             fontFamily={"Nanum Gothic"}