diff --git a/components/駅名表/Sign.js b/components/駅名表/Sign.js
index 507df2b..ad98993 100644
--- a/components/駅名表/Sign.js
+++ b/components/駅名表/Sign.js
@@ -124,7 +124,11 @@ export default function Sign(props) {
     setTestButtonStatus(!testButtonStatus);
   };
   return (
-    <TouchableOpacity style={styleSheet.外枠} onPress={oP} onLongPress={oLP}>
+    <TouchableOpacity
+      style={styleSheet[isMatsuyama ? "外枠B" : "外枠"]}
+      onPress={oP}
+      onLongPress={oLP}
+    >
       {isMatsuyama && (
         <LottieView
           autoPlay
@@ -174,6 +178,11 @@ const styleSheet = {
     borderWidth: 1,
     backgroundColor: "white",
   },
+  外枠B: {
+    width: wp("80%"),
+    height: (wp("80%") / 20) * 9,
+    borderWidth: 0,
+  },
   下帯: {
     position: "absolute",
     bottom: "0%",