diff --git a/menu.js b/menu.js
index f419402..3cae10c 100644
--- a/menu.js
+++ b/menu.js
@@ -33,7 +33,7 @@ const UsefulBox = (props) =>{
   return(
     <TouchableOpacity style={{flex:flex,backgroundColor:backgroundColor,padding:10,alignItems:"center",margin:2}} onPress={onPressButton}>
       <MaterialCommunityIcons name={icon} color="white" size={50}/>
-      <Text style={{color:"white",fontWeight:"bold",fontSize:20}}>{children}</Text>
+      <Text style={{color:"white",fontWeight:"bold",fontSize:18}}>{children}</Text>
     </TouchableOpacity>
   )
 }
@@ -41,7 +41,7 @@ const TicketBox = (props) =>{
   const { icon, backgroundColor, flex, onPressButton, children } = props;
   return(
     <TouchableOpacity style={{flex:flex,backgroundColor:backgroundColor,borderColor:"#0099CC",padding:10,borderWidth:1,margin:2,alignItems:"center"}} onPress={onPressButton}>
-      <Text style={{color:"white",fontWeight:"bold",fontSize:20}}>{children}</Text>
+      <Text style={{color:"white",fontWeight:"bold",fontSize:18}}>{children}</Text>
       {icon}
     </TouchableOpacity>
   )
@@ -233,8 +233,8 @@ export default function Menu(props) {
             <UsefulBox backgroundColor={"#91C31F"} icon="clipboard-list-outline" flex={1} onPressButton={()=>Linking.openURL("https://www.jr-shikoku.co.jp/e5489/")}>予約</UsefulBox>
           </View>
           <TextBox backgroundColor="#0099CC" flex={1} onPressButton={()=>Linking.openURL("https://www.jr-shikoku.co.jp/02_information/suspension/sp/")}>
-            <Text style={{color:"white",fontWeight:"bold",fontSize:20}}>新型コロナウイルスに関するお知らせ</Text>
-            <Text style={{color:"white",fontSize:18}}>列車の運行計画・混雑状況・感染症対策への取り組み</Text>
+            <Text style={{color:"white",fontWeight:"bold",fontSize:18}}>新型コロナウイルスに関するお知らせ</Text>
+            <Text style={{color:"white",fontSize:15}}>列車の運行計画・混雑状況・感染症対策への取り組み</Text>
           </TextBox>
           {currentStation && <Sign currentStation={currentStation} originalStationList={originalStationList} oP={() => StationBoardAcSR.current?.setModalVisible()} />}
           {currentStation && <LED_vision station={currentStation[0]} />}