diff --git a/src/pages/MainPage/GuestPage.tsx b/src/pages/MainPage/GuestPage.tsx
index 05118a9..5c48e79 100644
--- a/src/pages/MainPage/GuestPage.tsx
+++ b/src/pages/MainPage/GuestPage.tsx
@@ -238,7 +238,7 @@ const GuestPage = () => {
                 maxW="800px"
               >
                 <Button
-                  fontSize={{ base: "lg", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -247,7 +247,7 @@ const GuestPage = () => {
                   해외 인턴십 정보 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "lg", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -256,7 +256,7 @@ const GuestPage = () => {
                   지도교수 상담 일정 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "lg", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -267,7 +267,7 @@ const GuestPage = () => {
                   정설영 교수님 이메일 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "lg", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -276,7 +276,7 @@ const GuestPage = () => {
                   심컴 졸업요건 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "lg", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
diff --git a/src/pages/MainPage/Sidebar/Sidebar.tsx b/src/pages/MainPage/Sidebar/Sidebar.tsx
index 1186cb3..2b19632 100644
--- a/src/pages/MainPage/Sidebar/Sidebar.tsx
+++ b/src/pages/MainPage/Sidebar/Sidebar.tsx
@@ -342,7 +342,7 @@ export const Sidebar: React.FC<SidebarProps> = ({ isOpen, toggleSidebar }) => {
             <Box
               textAlign="center"
               mb={4}
-              fontSize={{ base: "30px", md: "46px" }}
+              fontSize={{ base: "30px", md: "40px" }}
               mt={-3}
               fontWeight={"md"}
               color="#C73732"
diff --git a/src/pages/MainPage/UserChat.tsx b/src/pages/MainPage/UserChat.tsx
index bd6f9f1..e8a6638 100644
--- a/src/pages/MainPage/UserChat.tsx
+++ b/src/pages/MainPage/UserChat.tsx
@@ -392,7 +392,7 @@ const UserChat = () => {
                 maxW="800px"
               >
                 <Button
-                  fontSize={{ base: "xl", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -401,7 +401,7 @@ const UserChat = () => {
                   해외 인턴십 정보 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "xl", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -410,7 +410,7 @@ const UserChat = () => {
                   지도교수 상담 일정 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "xl", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -421,7 +421,7 @@ const UserChat = () => {
                   정설영 교수님 이메일 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "xl", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}
@@ -430,7 +430,7 @@ const UserChat = () => {
                   심컴 졸업요건 알려줘
                 </Button>
                 <Button
-                  fontSize={{ base: "xl", md: "2xl" }}
+                  fontSize={{ base: "lg", md: "xl" }}
                   fontWeight="medium"
                   bg="#EAE6DA"
                   _hover={{ bg: "#DDD8C6", transform: "scale(1.05)" }}