diff --git a/posimai-dev/station-b.html b/posimai-dev/station-b.html
index 8ccaad67..8d78b5b5 100644
--- a/posimai-dev/station-b.html
+++ b/posimai-dev/station-b.html
@@ -10,7 +10,7 @@
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap" rel="stylesheet">
-    <script src="https://unpkg.com/lucide@0.344.0/dist/umd/lucide.min.js"></script>
+    <script src="https://unpkg.com/lucide@0.344.0/dist/umd/lucide.min.js" integrity="sha384-tTkFttkBclaU1cloKwOi9xk3pbao3VZxTjLNBt8iFABWDBQibbAbWpVmO28zMuxq" crossorigin="anonymous"></script>
     <style>
         *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
         :root {
@@ -359,8 +359,6 @@ const hist = {cpu:[], load:[]};
 const svcHist = {};
 const svcLatHist = {};
 SERVICES.forEach(s => { svcHist[s.id] = []; svcLatHist[s.id] = []; });
-// メトリクスのグローバルキャッシュ（updateStream の setInterval から参照）
-let _metrics = { cpuPct:0, memPct:0, diskPct:0, loadAvg:[0,0,0], uptimeS:0, sessions:0, hostname:'ubuntu-pc', nodeVer:'' };
 let streamData = null;
 
 function p(n){ return String(n).padStart(2,'0'); }
@@ -428,12 +426,9 @@ async function fetchHealth(){
         window._cpuCount=cpuCount;
 
         document.getElementById('cpu-val').textContent=`${cpuPct}%`;
-        renderBinBar('cpu-bar',cpuPct,60,80);
         document.getElementById('mem-val').textContent=`${data.mem_used_mb}/${data.mem_total_mb}MB (${memPct}%)`;
-        renderBinBar('mem-bar',memPct,65,85);
         if(data.disk){
             document.getElementById('disk-val').textContent=`${data.disk.used_gb}/${data.disk.total_gb}GB (${diskPct}%)`;
-            renderBinBar('disk-bar',diskPct,75,90);
         }
         document.getElementById('cpu-count-label').textContent=`(core:${cpuCount})`;
         ['load-1','load-5','load-15'].forEach((id,i)=>{
@@ -673,6 +668,7 @@ function startCountdown(){
 async function runRefresh(){
     const devOk=await fetchHealth();
     checkAllServices(devOk);
+    fetchVpsHealth();
     const now=new Date().toLocaleTimeString('ja-JP',{hour:'2-digit',minute:'2-digit',second:'2-digit'});
     document.getElementById('last-checked').textContent=`最終更新: ${now}`;
     startCountdown();
@@ -736,10 +732,8 @@ async function fetchVpsHealth(){
         const diskPct=d.disk?.use_pct??0;
         document.getElementById('vps-load').textContent=d.load_avg?`${d.load_avg[0]} / ${d.load_avg[1]}`:'—';
         document.getElementById('vps-mem').textContent=d.mem_total_mb?`${d.mem_used_mb}/${d.mem_total_mb}MB (${memPct}%)`:'—';
-        renderBinBar('vps-mem-bar',memPct,65,85);
         if(d.disk){
             document.getElementById('vps-disk').textContent=`${d.disk.used_gb}/${d.disk.total_gb}GB (${diskPct}%)`;
-            renderBinBar('vps-disk-bar',diskPct,75,90);
         }
         document.getElementById('vps-uptime').textContent=formatUptime(d.uptime_s||0);
         document.getElementById('vps-users').textContent=String(d.users??'—');
@@ -752,8 +746,6 @@ async function fetchVpsHealth(){
             .forEach(id=>{ const el=document.getElementById(id); if(el) el.textContent='ERR'; });
     }
 }
-fetchVpsHealth();
-setInterval(fetchVpsHealth, 30000);
 
 // ── キーボードショートカット ────────────────────────────────────
 document.addEventListener('keydown', e => {
@@ -803,11 +795,11 @@ document.addEventListener('keydown', e => {
         const sat = Math.round(best.sat + (100 - best.sat) * _critProgress * 0.5);
         return { hue, sat, alpha };
     }
+    let rafId = null;
     function draw(){
         t++;
-        // Gradually shift critProgress toward target (0 or 1)
         const critTarget = window._systemCrit ? 1 : 0;
-        _critProgress += (critTarget - _critProgress) * 0.008; // ~3s transition
+        _critProgress += (critTarget - _critProgress) * 0.008;
         ctx.clearRect(0, 0, canvas.width, canvas.height);
         ctx.font = `${FONT_SIZE}px 'JetBrains Mono', monospace`;
         cols.forEach((col, i) => {
@@ -828,9 +820,12 @@ document.addEventListener('keydown', e => {
             col.y += col.speed;
             if(col.y - col.len*FONT_SIZE > canvas.height){ col.y=-FONT_SIZE*2; col.speed=1.2+Math.random()*3.5; col.len=8+Math.floor(Math.random()*20); col.chars=[]; col.opacity=0.3+Math.random()*0.5; }
         });
-        requestAnimationFrame(draw);
+        rafId = requestAnimationFrame(draw);
     }
-    draw();
+    function startCanvas(){ if(!rafId) rafId = requestAnimationFrame(draw); }
+    function stopCanvas(){ if(rafId){ cancelAnimationFrame(rafId); rafId=null; } }
+    document.addEventListener('visibilitychange', () => { document.hidden ? stopCanvas() : startCanvas(); });
+    startCanvas();
 })();
 </script>
 </body>
diff --git a/posimai-dev/station.html b/posimai-dev/station.html
index 54494495..15fc5474 100644
--- a/posimai-dev/station.html
+++ b/posimai-dev/station.html
@@ -10,7 +10,7 @@
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@300;400;500&display=swap" rel="stylesheet">
-    <script src="https://unpkg.com/lucide@0.344.0/dist/umd/lucide.min.js"></script>
+    <script src="https://unpkg.com/lucide@0.344.0/dist/umd/lucide.min.js" integrity="sha384-tTkFttkBclaU1cloKwOi9xk3pbao3VZxTjLNBt8iFABWDBQibbAbWpVmO28zMuxq" crossorigin="anonymous"></script>
     <style>
         *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
         :root {
@@ -335,7 +335,7 @@ const SERVICES = [
     {id:'posimai-dev',name:'posimai-dev', desc:'ブラウザターミナル + Claude Code',url:HEALTH_URL,                   isHealth:true},
     {id:'posimai-api',name:'Posimai API',desc:'Node.js / Express — VPS 本番',   url:'/api/vps-health', isHealth:false, proxy:true},
     {id:'gitea',      name:'Gitea',       desc:'ローカル Git バックアップ',       url:'/api/check?url=http://100.76.7.3:3000',   isHealth:false, proxy:true},
-    {id:'syncthing',  name:'Syncthing',   desc:'ファイル同期 GUI',               url:'/api/check?url=http://100.77.11.43:8384', isHealth:false, proxy:true},
+    {id:'uptime-kuma',name:'Uptime Kuma', desc:'死活監視 — NAS Docker',           url:'/api/check?url=http://100.76.7.3:3002',   isHealth:false, proxy:true},
     {id:'vercel',     name:'Vercel',      desc:'PWA ホスティング (27本)',          url:'https://vercel.com',         isHealth:false},
     {id:'github',     name:'GitHub',      desc:'ソースコード管理',               url:'https://github.com/posimai', isHealth:false},
 ];
@@ -343,8 +343,6 @@ const hist = {cpu:[], load:[]};
 const svcHist = {};
 const svcLatHist = {};
 SERVICES.forEach(s => { svcHist[s.id] = []; svcLatHist[s.id] = []; });
-// メトリクスのグローバルキャッシュ（updateStream の setInterval から参照）
-let _metrics = { cpuPct:0, memPct:0, diskPct:0, loadAvg:[0,0,0], uptimeS:0, sessions:0, hostname:'ubuntu-pc', nodeVer:'' };
 let streamData = null;
 
 function p(n){ return String(n).padStart(2,'0'); }
@@ -375,7 +373,7 @@ function updateRing(fillId,valId,pct,circ,base,warn,crit){
     fill.style.strokeDashoffset=circ*(1-Math.min(pct,100)/100);
     const color=pct>80?(crit||'#F87171'):pct>60?(warn||'#FB923C'):(base||'#22D3EE');
     fill.style.stroke=color;
-    valEl.textContent=pct>0?`${pct}%`:'—';
+    valEl.textContent=`${pct}%`;
     valEl.style.fill=pct>80?'#F87171':pct>60?'#FB923C':'var(--text)';
 }