Add Reduce Animation Setting

src/styles.scss

@@ -5,6 +5,14 @@
 @import url('https://cdn.jsdelivr.net/gh/wanteddev/wanted-sans@v1.0.1/packages/wanted-sans/fonts/webfonts/variable/split/WantedSansVariable.min.css');
 @import url("https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard-jp-dynamic-subset.min.css");
 
+:root {
+  --motion-duration-multiplier: 1;
+}
+
+:root.reduce-motion {
+  --motion-duration-multiplier: 0 !important;
+}
+
 body {
   font-family: 'NanumSquareNeo', 'Wanted Sans Variable', 'Pretendard JP', sans-serif;
   font-weight: 500;
@@ -77,7 +85,7 @@ section.feature-block {
   gap: 12px;
 
   padding: 20px;
-  border: 2px solid oklch(0 0 0 / 20%); // rgba(0, 0, 0, 0.2)
+  outline: 2px solid oklch(0 0 0 / 20%); // rgba(0, 0, 0, 0.2)
   border-radius: 8px;
 
   background-color: oklch(1 0 0 / 60%);