Add opacity

apps/app/src/components/Common/GrowiLogo.module.scss

@@ -1,4 +1,6 @@
 @use '@growi/core-styles/scss/variables/growi-official-colors';
+@use '~/styles/mixins';
+@use '@growi/core-styles/scss/bootstrap/init' as bs;
 
 // == Colors
 .grw-logo :global {
@@ -24,3 +26,18 @@
   }
 }
 
+// == Editor mode
+@include mixins.at-editing() {
+  @include bs.media-breakpoint-up(xl) {
+    .grw-logo {
+      &:global {
+        opacity: 0.5;
+        transition: opacity 0.8s ease;
+
+        &:hover {
+          opacity: 1;
+        }
+      }
+    }
+  }
+}