.ebs-study{max-width:1240px;margin:48px auto;padding:0 24px}.ebs-study h1{font-size:clamp(28px,4vw,44px);margin:8px 0 12px}.ebs-label{color:var(--green);font-weight:700}.ebs-tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:30px 0 24px}.ebs-tabs button{padding:22px 12px;font:inherit;font-weight:700;background:var(--surface,#fff);color:var(--ink);border:1px solid var(--line,#ddd);border-radius:12px;cursor:pointer}.ebs-tabs button[aria-selected=true]{background:var(--soft);border-color:var(--green);color:var(--green)}.ebs-filters{display:grid;grid-template-columns:2fr 1fr 1fr;gap:16px}.ebs-filters label{display:grid;gap:8px}.ebs-filters input,.ebs-filters select{width:100%;box-sizing:border-box;padding:12px;font:inherit;border:1px solid var(--line,#ddd);border-radius:8px;background:var(--surface,#fff);color:var(--ink)}.ebs-history{margin-top:16px;border-top:1px solid var(--line,#ddd);padding-top:14px;font-size:14px}.ebs-history li{margin:12px 0}.ebs-history small{display:block;color:var(--muted,#777)}.ebs-notice{margin:36px 0;line-height:1.8}.ebs-manual{font-size:12px;color:var(--muted,#777)}.unit-pagination{display:flex;justify-content:center;align-items:center;gap:20px;margin:28px 0}.unit-pagination button{padding:10px 18px}@media(max-width:700px){.ebs-tabs{grid-template-columns:1fr 1fr}.ebs-filters{grid-template-columns:1fr 1fr}.ebs-filters label:first-child{grid-column:1/-1}}
#ebsStatus{margin:20px 0 12px;color:var(--muted);font-size:13px}.ebs-study .unit-packet-link{font:inherit;font-size:12px;cursor:pointer}.ebs-notice summary{cursor:pointer}.ebs-study button:disabled{opacity:.5;cursor:wait}