:root{--ink:#1f2937;--line:#d1d5db;--brand:#1f3864;--accent:#2e5496;--bg:#f1f5f9}*{box-sizing:border-box}body{color:var(--ink);background:var(--bg);margin:0;font-family:Yu Gothic,Hiragino Kaku Gothic ProN,Meiryo,system-ui,sans-serif;line-height:1.6}.topbar{border-bottom:2px solid var(--brand);z-index:10;background:#fff;align-items:center;gap:16px;padding:10px 16px;display:flex;position:sticky;top:0}.brand{color:var(--brand);font-size:18px;font-weight:700;text-decoration:none}.nav{gap:14px;display:flex}.nav a{color:var(--accent);text-decoration:none}.spacer{flex:1}.content{max-width:760px;margin:0 auto;padding:20px 16px 60px}h2{color:var(--brand);font-size:20px}h3{color:var(--accent);margin-top:24px;font-size:16px}.actions{flex-wrap:wrap;gap:10px;margin:14px 0;display:flex}.btn{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;border-radius:8px;padding:10px 16px;font-size:15px;text-decoration:none;display:inline-block}.btn.primary{background:var(--brand);color:#fff;border-color:var(--brand)}.list{margin:8px 0;padding:0;list-style:none}.list-item{border:1px solid var(--line);background:#fff;border-radius:8px;justify-content:space-between;margin-bottom:6px;padding:10px 12px;display:flex}.muted{color:#6b7280}.error{color:#b91c1c}.msg{background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;margin:12px 0;padding:10px 12px}.filters{gap:10px;margin:12px 0;display:flex}select,input[type=date],input[type=time],input[type=text]{border:1px solid var(--line);border-radius:8px;padding:8px 10px;font-size:15px}.form{flex-direction:column;gap:12px;max-width:420px;display:flex}.form label{color:var(--accent);flex-direction:column;gap:4px;font-size:14px;display:flex}.signin-wrap{text-align:center;max-width:460px;margin:48px auto;padding:0 16px}.signin-title{color:var(--brand)}.scanner{text-align:center}.video{aspect-ratio:3/4;object-fit:cover;background:#000;border-radius:12px;width:100%;max-width:480px}.qr-actions{flex-direction:column;gap:10px;max-width:420px;display:flex}.resource-name{color:var(--brand);font-size:18px;font-weight:700}.badge{border-radius:999px;padding:2px 10px;font-size:13px;font-weight:700;display:inline-block}.badge.free{color:#166534;background:#dcfce7}.badge.busy{color:#991b1b;background:#fee2e2}.badge.maint{color:#4b5563;background:#f3f4f6}.qr-print{border:1px solid var(--line);text-align:center;background:#fff;border-radius:12px;margin-top:16px;padding:16px 20px;display:inline-block}.no-print{justify-content:center;gap:10px;margin-top:12px;display:flex}@media print{body *{visibility:hidden}.qr-print,.qr-print *{visibility:visible}.qr-print{border:none;position:absolute;top:0;left:0}.no-print{display:none}}