diff --git a/src/lib/field-next/_core.layout.scss b/src/lib/field-next/_core.layout.scss
index 2f818a03b..870b8cc99 100644
--- a/src/lib/field-next/_core.layout.scss
+++ b/src/lib/field-next/_core.layout.scss
@@ -146,19 +146,15 @@ $resize-container-input-padding-block-end-base: 8px;
   resize: #{token(multiline-resize)};
 }
 
-@mixin resize-container-inset-input {
-  z-index: unset;
-}
-
 @mixin resize-container-inset-label {
-  z-index: 9999;
+  z-index: 2;
   pointer-events: none;
   inline-size: fit-content;
 }
 
 @mixin resize-container-inset-label-slot {
   display: block;
-  z-index: 9999;
+  z-index: 1;
 }
 
 @mixin resize-container-inset-label-background {
diff --git a/src/lib/field-next/_core.scss b/src/lib/field-next/_core.scss
index 48106dac4..685cc7a56 100644
--- a/src/lib/field-next/_core.scss
+++ b/src/lib/field-next/_core.scss
@@ -21,6 +21,7 @@
 
   display: grid;
   position: relative;
+  isolation: isolate;
 }
 
 @mixin field-disabled {
@@ -72,7 +73,7 @@
   grid-area: center;
 
   // z-index is set to ensure the input is never rendered unclickable by the inset label
-  z-index: 9999;
+  z-index: 1;
 
   block-size: 100%;
   inline-size: 100%;
diff --git a/src/lib/field-next/field.scss b/src/lib/field-next/field.scss
index 944e7f54c..0f97b5c3b 100644
--- a/src/lib/field-next/field.scss
+++ b/src/lib/field-next/field.scss
@@ -491,10 +491,6 @@ $variants: (
       @include core.resize-container-inset-label-background;
     }
   }
-
-  .input {
-    @include core.resize-container-inset-input;
-  }
 }
 
 //