diff --git a/src/components/Header.astro b/src/components/Header.astro
index 6da5f98..12254bc 100644
--- a/src/components/Header.astro
+++ b/src/components/Header.astro
@@ -13,9 +13,9 @@ import headerSVGDark from "../assets/header_for_darkmode.svg";
           srcset={headerSVGDark.src}
           media="(prefers-color-scheme: dark)"
         />
-        <img
+        <Image
           class="title"
-          src={headerSVG.src}
+          src={headerSVG}
           alt="新入生情報Web2025 つくばで大学生活を始めるあなたに"
         />
       </picture>