feat: スタッフセクションの背景を白に変更

Author: staticWagomU

2025/src/components/Staff/index.astro

@@ -2,7 +2,7 @@
 import StaffCard from "./StaffCard.astro";
 ---
 
-<section id="staff" class="bg-emerald-50 py-6 sm:py-8 md:py-12 lg:py-16">
+<section id="staff" class="bg-white py-6 sm:py-8 md:py-12 lg:py-16">
   <div class="container mx-auto px-4">
     <div class="mb-6 text-center sm:mb-8">
       <h2