diff --git a/src/pages/InsightMapPage.tsx b/src/pages/InsightMapPage.tsx
index df422f1..04fd428 100644
--- a/src/pages/InsightMapPage.tsx
+++ b/src/pages/InsightMapPage.tsx
@@ -212,22 +212,6 @@ export default function InsightMapPage() {
         return `url(#arrow-${source?.source_layer ?? 'ontology'})`
       })
 
-    // 관계 라벨(related_to 등)을 모든 엣지에 항상 그리면 그래프가 난잡해지므로
-    // 기본 상태에서는 숨기고, 노드 선택으로 하이라이트된 엣지에서만 보여준다.
-    // 호버 시에는 네이티브 <title> 툴팁으로 확인 가능.
-    linkSel.append('title').text((d) => d.relation)
-
-    const edgeLabelSel = g
-      .append('g')
-      .selectAll('text')
-      .data(simLinks)
-      .join('text')
-      .attr('font-size', 9)
-      .attr('fill', '#45475a')
-      .attr('pointer-events', 'none')
-      .attr('opacity', 0)
-      .text((d) => d.relation)
-
     const nodeSel = g
       .append('g')
       .selectAll<SVGGElement, SimNode>('g')
@@ -294,7 +278,7 @@ export default function InsightMapPage() {
         nodeSel.select('text').attr('opacity', (n) => (ids.has(n.id) ? 1 : 0.15))
         linkSel.attr('stroke', (_, i) => (linkIdx.has(i) ? '#89b4fa' : '#313244'))
         linkSel.attr('stroke-width', (_, i) => (linkIdx.has(i) ? 2.5 : 1.5))
-        edgeLabelSel.attr('opacity', (_, i) => (linkIdx.has(i) ? 1 : 0))
+        linkSel.attr('opacity', (_, i) => (linkIdx.has(i) ? 1 : 0.15))
         selectNode(d)
       })
       .on('mouseover', function () {
@@ -307,8 +291,7 @@ export default function InsightMapPage() {
     svg.on('click', () => {
       nodeSel.select('circle').attr('opacity', 1)
       nodeSel.select('text').attr('opacity', 1)
-      linkSel.attr('stroke', '#313244').attr('stroke-width', 1.5)
-      edgeLabelSel.attr('opacity', 0)
+      linkSel.attr('stroke', '#313244').attr('stroke-width', 1.5).attr('opacity', 1)
     })
 
     sim.on('tick', () => {
@@ -318,14 +301,26 @@ export default function InsightMapPage() {
         .attr('x2', (d) => (d.target as SimNode).x ?? 0)
         .attr('y2', (d) => (d.target as SimNode).y ?? 0)
 
-      edgeLabelSel
-        .attr('x', (d) => (((d.source as SimNode).x ?? 0) + ((d.target as SimNode).x ?? 0)) / 2)
-        .attr('y', (d) => (((d.source as SimNode).y ?? 0) + ((d.target as SimNode).y ?? 0)) / 2)
-
       nodeSel.attr('transform', (d) => `translate(${d.x ?? 0},${d.y ?? 0})`)
     })
 
+    // 근거 패널이 열리고 닫힐 때 그래프 영역(flex-1)의 실제 폭이 바뀌므로,
+    // 컨테이너 크기 변화를 감지해 SVG와 시뮬레이션 중심을 다시 맞춰준다.
+    // 이게 없으면 패널이 열려도 노드는 예전 폭 기준 위치에 그대로 남아
+    // 패널에 가려지게 된다.
+    const resizeObserver = new ResizeObserver((entries) => {
+      const entry = entries[0]
+      if (!entry) return
+      const newWidth = entry.contentRect.width
+      const newHeight = entry.contentRect.height
+      svg.attr('width', newWidth).attr('height', newHeight)
+      sim.force('center', d3.forceCenter(newWidth / 2, newHeight / 2))
+      sim.alpha(0.3).restart()
+    })
+    resizeObserver.observe(container)
+
     return () => {
+      resizeObserver.disconnect()
       sim.stop()
     }
   }, [graph])
@@ -334,7 +329,7 @@ export default function InsightMapPage() {
 
   return (
     <div className="flex h-full w-full bg-white text-[#1e1e2e] font-mono overflow-hidden">
-      <div ref={containerRef} className="flex-1 relative">
+      <div ref={containerRef} className="flex-1 relative overflow-hidden">
         {/* header overlay */}
         <div className="absolute top-0 left-0 right-0 z-10 px-4 py-3 flex items-center gap-3 bg-gradient-to-b from-white to-transparent">
           <Icon name="network" size={18} className="text-[#89b4fa]" />
@@ -423,12 +418,12 @@ export default function InsightMapPage() {
 
       {/* side panel */}
       {selectedNode && (
-        <div className="w-80 flex-shrink-0 border-l border-[#313244] bg-[#1e1e2e] p-4 overflow-y-auto">
+        <div className="w-72 flex-shrink-0 border-l border-[#d0d7de] bg-[#f4faf6] p-4 overflow-y-auto">
           <div className="flex items-center justify-between mb-3">
-            <p className="text-[13px] font-bold text-[#cdd6f4]">{selectedNode.label}</p>
+            <p className="text-[13px] font-bold text-[#1e1e2e]">{selectedNode.label}</p>
             <button
               onClick={() => selectNode(null)}
-              className="text-[#6c7086] hover:text-[#cdd6f4]"
+              className="text-[#6c7086] hover:text-[#1e1e2e]"
             >
               <Icon name="x" size={14} />
             </button>
@@ -444,11 +439,11 @@ export default function InsightMapPage() {
           </span>
 
           {selectedNode.summary && (
-            <p className="text-[12px] text-[#a6adc8] leading-relaxed mb-3">{selectedNode.summary}</p>
+            <p className="text-[12px] text-[#45475a] leading-relaxed mb-3">{selectedNode.summary}</p>
           )}
 
           {selectedNode.type === 'patient_metric_trend' && (
-            <pre className="text-[11px] bg-[#11111b] border border-[#313244] rounded-lg p-2 overflow-x-auto text-[#a6adc8]">
+            <pre className="text-[11px] bg-white border border-[#d0d7de] rounded-lg p-2 overflow-x-auto text-[#45475a]">
               {JSON.stringify(selectedNode.data.trend, null, 2)}
             </pre>
           )}
@@ -456,33 +451,33 @@ export default function InsightMapPage() {
           {selectedNode.type === 'soap_case_index' && (
             <button
               onClick={() => handleViewSoapNote(selectedNode)}
-              className="w-full mt-2 py-1.5 bg-[#89b4fa] text-[#1e1e2e] text-[11px] font-semibold rounded-lg hover:brightness-110 transition-all"
+              className="w-full mt-2 py-1.5 bg-[#89b4fa] text-white text-[11px] font-semibold rounded-lg hover:brightness-110 transition-all"
             >
               SOAP note 보기
             </button>
           )}
 
           {selectedNode.source_layer === 'ontology' && (
-            <div className="mt-3 pt-3 border-t border-[#313244]">
+            <div className="mt-3 pt-3 border-t border-[#d0d7de]">
               {evidence === null && (
                 <button
                   onClick={() => handleLoadEvidence(selectedNode)}
                   disabled={evidenceLoading}
-                  className="w-full py-1.5 border border-[#313244] text-[#a6adc8] text-[11px] font-semibold rounded-lg hover:bg-[#11111b] transition-colors disabled:opacity-60"
+                  className="w-full py-1.5 border border-[#d0d7de] text-[#45475a] text-[11px] font-semibold rounded-lg hover:bg-white transition-colors disabled:opacity-60"
                 >
                   {evidenceLoading ? '문헌 근거 찾는 중…' : '문헌 근거 보기'}
                 </button>
               )}
 
               {evidence !== null && evidence.length === 0 && (
-                <p className="text-[11px] text-[#45475a]">관련 문헌 근거를 찾지 못했습니다.</p>
+                <p className="text-[11px] text-[#6c7086]">관련 문헌 근거를 찾지 못했습니다.</p>
               )}
 
               {evidence !== null && evidence.length > 0 && (
                 <div className="flex flex-col gap-2">
                   <p className="text-[10px] uppercase tracking-wide text-[#6c7086]">문헌 근거</p>
                   {evidence.map((item, i) => (
-                    <div key={i} className="bg-[#11111b] border border-[#313244] rounded-lg p-2">
+                    <div key={i} className="bg-white border border-[#d0d7de] rounded-lg p-2">
                       {item.doi_url ? (
                         <a
                           href={item.doi_url}
@@ -493,11 +488,11 @@ export default function InsightMapPage() {
                           {item.title}
                         </a>
                       ) : (
-                        <p className="text-[11px] font-semibold text-[#cdd6f4]">{item.title}</p>
+                        <p className="text-[11px] font-semibold text-[#1e1e2e]">{item.title}</p>
                       )}
                       <p className="text-[10px] text-[#6c7086] mt-1 line-clamp-3">{item.content}</p>
                       {!item.doi_url && (
-                        <p className="text-[9px] text-[#45475a] mt-1">원문 링크 없음 (국내 자료)</p>
+                        <p className="text-[9px] text-[#6c7086] mt-1">원문 링크 없음 (국내 자료)</p>
                       )}
                     </div>
                   ))}