Remove arrow decoration from Try Ruby cards

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: taea

_includes/home/try_ruby.html

@@ -16,7 +16,7 @@
         </div>
 
         <!-- Bottom Section with Wave Border (will fade in after frame animation) -->
-        <div id="try-ruby-bottom-{{ i }}" class="try-ruby-content relative opacity-0 transition-opacity duration-500 before:content-[''] before:absolute before:w-[58px] before:h-[58px] before:bg-[url('/images/home/try_ruby/arrow.svg')] dark:before:bg-[url('/images/home/try_ruby/arrow-dark.svg')] before:bg-no-repeat before:bg-contain before:-top-[7px] before:left-[calc(50%+90px)] before:-translate-x-1/2 before:rotate-[40deg] before:z-20">
+        <div id="try-ruby-bottom-{{ i }}" class="try-ruby-content relative opacity-0 transition-opacity duration-500">
           <!-- Wave Border SVG -->
           <div class="absolute -top-3 left-0 right-0 h-4 text-gold-400 dark:text-gold-500 group-has-[a:hover]:text-gold-500 dark:group-has-[a:hover]:text-gold-600 transition-colors overflow-hidden">
             <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 400 20" preserveAspectRatio="none" class="w-[200%] h-full group-has-[a:hover]:animate-wave-scroll">