From b5d7ded9e62ec74a3ee11e56fe43ac96238a16c4 Mon Sep 17 00:00:00 2001
From: tamaina <tamaina@hotmail.co.jp>
Date: Mon, 25 Aug 2025 22:31:16 +0900
Subject: [PATCH] :art:

---
 packages/frontend/src/pages/qr.show.vue | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/frontend/src/pages/qr.show.vue b/packages/frontend/src/pages/qr.show.vue
index a12c2a6fc3..5b89b1841c 100644
--- a/packages/frontend/src/pages/qr.show.vue
+++ b/packages/frontend/src/pages/qr.show.vue
@@ -149,11 +149,12 @@ onUnmounted(() => {
 //#endregion
 
 //#region flip
+const THRESHOLD = -3;
 const flipEls: Set<Element> = new Set();
 const flip = ref(false);
 
 function handleOrientationChange(event: DeviceOrientationEvent) {
-	const isUpsideDown = event.beta ? event.beta < 5 : false;
+	const isUpsideDown = event.beta ? event.beta < THRESHOLD : false;
 	flip.value = isUpsideDown;
 }