diff --git a/src/modules/chatelet/views/ChateletDetailPage.vue b/src/modules/chatelet/views/ChateletDetailPage.vue
index cf9eea7..2000bdb 100644
--- a/src/modules/chatelet/views/ChateletDetailPage.vue
+++ b/src/modules/chatelet/views/ChateletDetailPage.vue
@@ -106,7 +106,7 @@ async function onCheck() {
 
       <Card>
         <CardContent class="p-4 space-y-3">
-          <div class="grid grid-cols-2 gap-3">
+          <div class="grid grid-cols-1 sm:grid-cols-2 gap-3">
             <div class="space-y-1 min-w-0">
               <Label>Check-in</Label>
               <DatePicker v-model="checkIn" :min="today" placeholder="Check-in" />