diff --git a/_includes/top/sections/outline.html b/_includes/top/sections/outline.html
index 1dfa5464..dc4c925a 100644
--- a/_includes/top/sections/outline.html
+++ b/_includes/top/sections/outline.html
@@ -9,7 +9,7 @@ <h2 id="outline" class="text-4xl text-center mb-8 pt-28 -mt-8">
       min-[400px]:*:w-[45%] xl:*:w-[24%]">
     <div class="flex flex-col justify-between">
       <div class="flex flex-1 items-center justify-center mb-4">
-        <img class="place-self-center align-middle" src="/img/top/outline/date.webp" alt="2025 10.25 10:00-17:00">
+        <img class="place-self-center align-middle" src="/img/top/outline/date.webp" alt="2025 10.25 SAT 10:00-17:00">
       </div>
       <p>開催日時</p>
     </div>
diff --git a/img/top/outline/date.webp b/img/top/outline/date.webp
index 2786ca39..5dca9791 100644
Binary files a/img/top/outline/date.webp and b/img/top/outline/date.webp differ