diff --git a/src/web/app/common/views/widgets/slideshow.vue b/src/web/app/common/views/widgets/slideshow.vue
index eb83c65701..df6cb900d3 100644
--- a/src/web/app/common/views/widgets/slideshow.vue
+++ b/src/web/app/common/views/widgets/slideshow.vue
@@ -1,5 +1,5 @@
 <template>
-<div class="mkw-slideshow">
+<div class="mkw-slideshow" :data-mobile="isMobile">
 	<div @click="choose">
 		<p v-if="props.folder === undefined">
 			<template v-if="isCustomizeMode">フォルダを指定するには、カスタマイズモードを終了してください</template>
@@ -122,6 +122,11 @@ export default define({
 	border solid 1px rgba(0, 0, 0, 0.075)
 	border-radius 6px
 
+	&[data-mobile]
+		border none
+		border-radius 8px
+		box-shadow 0 0 0 1px rgba(0, 0, 0, 0.2)
+
 	> div
 		width 100%
 		height 100%