Replace literal 3px border-radius with vars.$border-radius token across 5 files

src/features/online-board/components/OnlineBoardFilter.scss

@@ -55,7 +55,7 @@
       &:first-child {
         .p-accordion-header {
           a {
-            border-radius: 3px 3px 0 0;
+            border-radius: vars.$border-radius vars.$border-radius 0 0;
           }
         }
       }

src/features/online-board/components/TransferBar/TransferBar.scss

@@ -18,7 +18,7 @@
 
   &--separated {
     margin: vars.$space-m 0;
-    border-radius: 3px;
+    border-radius: vars.$border-radius;
   }
 
   &__icon svg {

src/features/schedule/components/ScheduleFilter.scss

@@ -6,7 +6,7 @@
 .schedule-filter {
   &__frame {
     background: colors.$white;
-    border-radius: 3px;
+    border-radius: vars.$border-radius;
     @include shadows.box-shadow-small;
   }
 

src/features/schedule/components/ScheduleStartPage.scss

@@ -162,7 +162,7 @@
       width: 18px;
       height: 18px;
       border: 1.5px solid colors.$border;
-      border-radius: 3px;
+      border-radius: vars.$border-radius;
       background: colors.$white;
       position: relative;
       cursor: pointer;

src/ui/city-autocomplete/CityAutocomplete.scss

@@ -30,7 +30,7 @@
     align-items: center;
     width: 100%;
     box-shadow: 0 0 0 1px colors.$border-input;
-    border-radius: 3px;
+    border-radius: vars.$border-radius;
 
     .p-autocomplete {
       flex: 1;