diff --git a/site/styles/docs-kinpaku.css b/site/styles/docs-kinpaku.css
index e6ed0d372..55a6069b4 100644
--- a/site/styles/docs-kinpaku.css
+++ b/site/styles/docs-kinpaku.css
@@ -1694,7 +1694,7 @@ html.light .docs-kinpaku .prose .code-block code {
   /* Doc.astro initSplitCompare uses skewAngle: 0 — vertical seam, not the
      angled default from sub-pages.css / main.css. */
   clip-path: polygon(50% 0%, 100% 0%, 100% 100%, 50% 100%);
-  background: var(--ks-lacquer-deep);
+  background: oklch(4% 0.004 95);
 }
 
 .docs-kinpaku .docs-command-demo .split-divider {
diff --git a/site/styles/light-mode.css b/site/styles/light-mode.css
index b7372d74a..defd7b8eb 100644
--- a/site/styles/light-mode.css
+++ b/site/styles/light-mode.css
@@ -1244,7 +1244,7 @@ html.light .docs-kinpaku .docs-command-demo .split-before {
 }
 
 html.light .docs-kinpaku .docs-command-demo .split-after {
-  background: var(--ks-lacquer-raised);
+  background: oklch(4% 0.004 95);
 }
 
 html.light .docs-kinpaku .docs-command-demo .demo-caption {