diff --git a/src/app/page.tsx b/src/app/page.tsx
index 90ac686..6a4399a 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -59,6 +59,7 @@ export default function LandingPage() {
             }}
             imagePosition="right"
             title="変革の先陣を切る"
+            titleClassName="!text-7xl lg:!text-8xl"
             description="コンサルティングを、もう一段深く. Delivering BCG/McKinsey-grade IT strategy to Japan's mid-cap enterprises."
             buttons={[]}
             mediaAnimation="slide-up"