diff --git a/components/駅名表/Sign.js b/components/駅名表/Sign.js
index e5ec5cf..1a139d2 100644
--- a/components/駅名表/Sign.js
+++ b/components/駅名表/Sign.js
@@ -244,7 +244,7 @@ const StationNumberMaker = (props) => {
           <View style={{ flex: 1 }} />
           <Text
             style={{
-              fontSize: parseInt("15%"),
+              fontSize: parseInt("13%"),
               margin: 0,
               padding: 0,
               textAlign: "center",