diff --git a/CHANGELOG.md b/CHANGELOG.md
index e15c6d646..743479ae4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,13 @@
 
 -->
 
+## 12.x.x (unreleased)
+
+### Improvements
+
+### Bugfixes
+- クライアント: 一部のコンポーネントが裏に隠れるのを修正
+
 ## 12.100.2 (2021/12/18)
 
 ### Bugfixes
diff --git a/packages/client/src/components/media-list.vue b/packages/client/src/components/media-list.vue
index c987ff5ff..2970d06c9 100644
--- a/packages/client/src/components/media-list.vue
+++ b/packages/client/src/components/media-list.vue
@@ -105,6 +105,7 @@ export default defineComponent({
 		return {
 			previewable,
 			gallery,
+			pswpZIndex: os.claimZIndex('middle'),
 		};
 	},
 });
@@ -188,3 +189,11 @@ export default defineComponent({
 	}
 }
 </style>
+
+<style lang="scss">
+.pswp {
+	// なぜか機能しない
+  //z-index: v-bind(pswpZIndex);
+	z-index: 2000000;
+}
+</style>