diff --git a/packages/frontend/src/style.scss b/packages/frontend/src/style.scss
index d5abe9166f..1333b227f3 100644
--- a/packages/frontend/src/style.scss
+++ b/packages/frontend/src/style.scss
@@ -211,7 +211,9 @@ rt {
 	max-width: min(var(--MI_SPACER-w, 100%), calc(100% - (var(--MI_SPACER-max, 24px) * 2)));
 	margin: var(--MI_SPACER-max, 24px) auto;
 	container-type: inline-size;
+}
 
+._spacer > * {
 	/* 子に継承させない */
 	--MI_SPACER-w: initial;
 	--MI_SPACER-min: initial;