diff --git a/plugin/contents/ui/dancer.html b/plugin/contents/ui/dancer.html
index 52788ea..11bd527 100644
--- a/plugin/contents/ui/dancer.html
+++ b/plugin/contents/ui/dancer.html
@@ -107,24 +107,7 @@ html, body {
 /* ============================================================
    SPECTRUM VISUALIZER (behind character)
    ============================================================ */
-.spectrum {
-  position: absolute;
-  bottom: 32%;
-  left: 50%;
-  transform: translateX(-50%);
-  display: flex;
-  align-items: flex-end;
-  gap: 3px;
-  pointer-events: none;
-  opacity: 0;
-  transition: opacity 0.8s;
-  mix-blend-mode: screen;
-}
-.spec-bar {
-  width: 6px;
-  border-radius: 3px 3px 0 0;
-  height: 3px;
-  transition: height 0.05s linear;
+.spec-bar-unused {
 }
 
 /* ============================================================
@@ -762,9 +745,6 @@ html, body {
   <!-- Horizon glow -->
   <div class="horizon"></div>
 
-  <!-- Spectrum visualizer (behind character) -->
-  <div class="spectrum" id="spectrum"></div>
-
   <!-- ===================== ROBOT ===================== -->
   <div class="robot-wrap">
     <div class="beat-wrap">
@@ -918,29 +898,6 @@ window.addEventListener('resize', resizeFloor);
 resizeFloor();
 requestAnimationFrame(drawFloor);
 
-/* ============================================================
-   SPECTRUM VISUALIZER
-   ============================================================ */
-const SPEC_COUNT  = 48;
-const specEl      = document.getElementById('spectrum');
-const specBars    = [];
-const SPEC_PALETTE = [
-  '#ff0099','#ff00cc','#cc00ff','#9900ff','#6600ff',
-  '#0033ff','#0066ff','#0099ff','#00ccff','#00ffff',
-  '#00ffcc','#00ff99','#00ff66','#00ff33',
-  '#33ff00','#66ff00','#99ff00','#ccff00',
-  '#ffff00','#ffcc00','#ff9900','#ff6600','#ff3300','#ff0000',
-];
-
-for (let i = 0; i < SPEC_COUNT; i++) {
-  const b = document.createElement('div');
-  b.className = 'spec-bar';
-  const c = SPEC_PALETTE[Math.round(i / SPEC_COUNT * (SPEC_PALETTE.length - 1))];
-  b.style.background = c;
-  b.style.boxShadow  = `0 0 6px ${c}`;
-  specEl.appendChild(b);
-  specBars.push(b);
-}
 
 /* ============================================================
    METEORS
@@ -1047,12 +1004,7 @@ function updateBars(raw) {
     bar.style.opacity = 0.3 + 0.7 * (v / 100);
   });
 
-  // Spectrum (mid-to-high frequencies, remapped to SPEC_COUNT bars)
-  specBars.forEach((bar, i) => {
-    const srcIdx = Math.round(4 + (i / SPEC_COUNT) * (vals.length - 5));
-    const v      = vals[srcIdx] || 0;
-    bar.style.height = Math.max(3, (v / 100) * window.innerHeight * 0.55) + 'px';
-  });
+
 }
 
 /* ============================================================
@@ -1131,7 +1083,6 @@ function updateMusic(artist, title) {
   isPlaying = playing;
   document.querySelector('.robot-wrap').style.opacity   = playing ? '1' : '0';
   document.querySelector('.music-ticker').style.opacity = playing ? '1' : '0';
-  specEl.style.opacity = playing ? '0.45' : '0';
   if (!playing) vuBars.forEach(b => { b.style.height = '3px'; b.style.opacity = '0.15'; });
   if (playing) fetchTheme();
   if (el.textContent === text) return;