diff --git a/index.html b/index.html
index ada7b3d..ee4c17e 100644
--- a/index.html
+++ b/index.html
@@ -514,7 +514,7 @@ function drawSpectrum() {
   grad.addColorStop(0.4, '#84a0c6');
   grad.addColorStop(1, '#272c42');
   const smoothFactor = barDecay;
-  const gap = 6;
+  const gap = Math.max(1, Math.floor(w / NUM_BARS * 0.10));
   const barW = Math.max(1, Math.floor((w - (NUM_BARS - 1) * gap) / NUM_BARS));
   const totalBar = barW + gap;
   const offset = Math.floor((w - NUM_BARS * totalBar + gap) / 2);
@@ -561,7 +561,7 @@ function drawSpectrum() {
     const gap = 4;
     const labelW = 12;
     const segCount = 32;
-    const segG = 6;
+    const segG = Math.max(1, Math.floor(vw / segCount * 0.10));
     const segW = Math.floor((vw - labelW - (segCount - 1) * segG) / segCount);
     const totalSegW = segCount * segW + (segCount - 1) * segG;
     const segLeft = labelW + Math.floor(((vw - labelW) - totalSegW) / 2);