/* バックアップと災害対策。style.css・flow.css・fm.css の上に重ねる（接頭辞 dr-。戻せる点は青、事故は赤、侵入は琥珀、消える範囲は薄い赤） */
.dr-gap { margin-top: 12px; }
.dr-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.dr-small { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.dr-lab { font-size: 12.5px; font-weight: 700; color: var(--muted); min-width: 6.5em; }
.dr-judge { margin: 8px 0 0; font-size: 13.5px; font-weight: 700; border-radius: 8px; padding: 7px 10px; }
.dr-judge.ok { background: #f0fdf4; color: #14532d; }
.dr-judge.ng { background: #fef2f2; color: #7f1d1d; }
.dr-judge.mid { background: #fffbeb; color: #78350f; }
.dr-what { margin: 8px 0 0; font-size: 13px; color: var(--ink2); }
.dr-big { margin: 0 0 8px; font: 700 26px/1.25 var(--latin); color: #1d4ed8; }
.dr-big.ng { color: #b91c1c; }
.dr-dl { margin: 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 12px; font-size: 13px; }
.dr-dl dt { font-weight: 700; color: var(--muted); font-size: 12px; padding-top: 1px; }
.dr-dl dd { margin: 0; color: var(--ink); }
.dr-dl dd small { display: block; font-size: 11.5px; color: var(--muted); }

/* RPO・RTO・RLO の段階 */
.dr-grade { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 10px 0; }
.dr-gr { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 11px 13px; min-width: 0; }
.dr-grh { margin: 0 0 7px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 10px; }
.dr-grh b { font-size: 14px; }
.dr-grh small { font-size: 12px; color: var(--muted); }
.dr-lv { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 5px; }
.dr-lv li { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--ink2); border-radius: 6px; padding: 2px 6px 2px 2px; }
.dr-lv li span { font: 600 11px var(--latin); background: var(--line2); color: var(--muted); border-radius: 5px; padding: 0 5px; }
.dr-lv li.on { background: #dbeafe; color: #1e3a8a; font-weight: 700; }
.dr-lv li.on span { background: #1d4ed8; color: #fff; }
.dr-aoba { min-width: 760px; }
.dr-aoba th[scope="row"] { white-space: nowrap; }

/* 練習の操作の箱 */
.dr-ctl { padding: 12px 14px; display: grid; gap: 8px; }
.dr-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.dr-ev { margin: 10px 0; font-size: 13.5px; color: var(--ink2); background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 8px 12px; }
.dr-ev b { color: #92400e; margin-right: 8px; }
.dr-plan { display: block; margin-top: 3px; font-size: 12.5px; color: var(--muted); }
.dr-rpo { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr); gap: 10px; align-items: start; }
.dr-tlbox, .dr-res { padding: 12px 14px; min-width: 0; }
.dr-tlbox h3, .dr-res h3 { margin: 0 0 8px; font-size: 14px; }

/* 時間の流れの図（左の 46px は東京・大阪の名前） */
.dr-tl { --lw: 46px; position: relative; }
.dr-days { position: relative; height: 18px; margin-left: var(--lw); }
.dr-days span { position: absolute; top: 0; font: 600 11px var(--latin); color: var(--muted); white-space: nowrap; padding-left: 3px; border-left: 1px solid var(--line); line-height: 18px; }
.dr-lanes { position: relative; display: grid; gap: 6px; padding: 4px 0; }
.dr-lane { display: grid; grid-template-columns: var(--lw) minmax(0, 1fr); align-items: center; min-height: 40px; }
.dr-ln { font-size: 12px; font-weight: 700; color: var(--ink2); display: flex; flex-direction: column; line-height: 1.25; }
.dr-ln small { font-size: 10px; color: #b91c1c; font-weight: 700; }
.dr-track { position: relative; height: 40px; background: var(--any-bg); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.dr-biz { position: absolute; top: 0; bottom: 0; background: #eef2ff; }
.dr-biz.busy { background: #dbeafe; }
.dr-logband { position: absolute; top: 26px; height: 7px; border-radius: 4px; background: repeating-linear-gradient(90deg, #0d9488 0 2px, #99f6e4 2px 5px); }
.dr-bk { position: absolute; top: 9px; width: 12px; height: 12px; margin-left: -6px; border-radius: 3px; border: 2px solid #0f172a; background: var(--paper); }
.dr-bk.full { background: #0f172a; }
.dr-lane.down .dr-track { background: repeating-linear-gradient(135deg, #f1f5f9 0 6px, #e2e8f0 6px 12px); }
.dr-lane.down .dr-track > * { opacity: .3; }
.dr-over { position: absolute; top: 0; bottom: 0; left: var(--lw); right: 0; pointer-events: none; }
.dr-lost { position: absolute; top: 2px; bottom: 2px; min-width: 3px; background: rgba(239, 68, 68, .22); border-left: 0; border-radius: 3px; }
.dr-vl { position: absolute; top: -2px; bottom: -2px; width: 2px; margin-left: -1px; border-radius: 2px; background: #94a3b8; }
.dr-vl.rp { background: #1d4ed8; width: 3px; }
.dr-vl.fail { background: #dc2626; }
.dr-vl.seen { background: #7c3aed; }
.dr-vl.intr { background: #d97706; }
.dr-key { margin: 8px 0 0; display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 11.5px; color: var(--muted); }
.dr-key span { display: inline-flex; align-items: center; gap: 4px; }
.dr-key i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.dr-key .k-full { background: #0f172a; }
.dr-key .k-part { border: 2px solid #0f172a; background: #fff; }
.dr-key .k-log { height: 7px; background: repeating-linear-gradient(90deg, #0d9488 0 2px, #99f6e4 2px 5px); }
.dr-key .k-biz { background: #dbeafe; }
.dr-key .k-fail { width: 3px; background: #dc2626; }
.dr-key .k-seen { width: 3px; background: #7c3aed; }
.dr-key .k-intr { width: 3px; background: #d97706; }
.dr-key .k-rp { width: 3px; background: #1d4ed8; }
.dr-key .k-lost { background: rgba(239, 68, 68, .3); }

/* 練習: RTO */
.dr-rto { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 10px; align-items: start; margin-top: 10px; }
.dr-sliders, .dr-rtores { padding: 12px 14px; min-width: 0; }
.dr-sliders h3, .dr-rtores h3 { margin: 0 0 8px; font-size: 14px; }
.dr-sliders h3:not(:first-child) { margin-top: 14px; }
.dr-sl { display: grid; grid-template-columns: 9.5em minmax(0, 1fr) 6.2em; align-items: center; gap: 8px; padding: 3px 0; font-size: 13px; }
.dr-sl span { font-weight: 700; color: var(--ink2); }
.dr-sl input { width: 100%; min-width: 0; accent-color: #1d4ed8; }
.dr-sl output { font: 600 12.5px var(--latin); text-align: right; color: var(--ink); }
.dr-steps { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 4px; }
.dr-steps li { display: grid; grid-template-columns: 8.5em minmax(0, 1fr) 6.5em; align-items: center; gap: 8px; font-size: 12.5px; }
.dr-steps li span { color: var(--ink2); line-height: 1.3; }
.dr-steps li span small { display: block; font-size: 10.5px; color: var(--muted); }
.dr-steps li i { display: block; height: 10px; min-width: 2px; border-radius: 999px; background: #93c5fd; }
.dr-steps li b { font: 600 12px var(--latin); text-align: right; }
.dr-steps li.big span { font-weight: 700; color: var(--ink); }
.dr-steps li.big i { background: #1d4ed8; }
.dr-biz2 { margin: 10px 0 0; font-size: 13px; color: var(--ink); background: var(--line2); border-radius: 8px; padding: 7px 10px; }
.dr-biz2 b { display: block; font-size: 11.5px; color: var(--muted); }
.dr-calc { margin: 6px 0 0; font-size: 11.5px; color: var(--muted); }

/* 判定: ランサムウェア */
.dr-scene { margin: 0 0 10px; font-size: 13.5px; color: #7f1d1d; background: #fef2f2; border: 1px solid #fecaca; border-radius: 10px; padding: 8px 12px; max-width: 60em; }
.dr-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: 10px 0; }
.dr-copies { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.dr-copy, .dr-prep { appearance: none; font: inherit; text-align: left; cursor: pointer; background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px 10px 40px; position: relative; display: flex; flex-direction: column; gap: 2px; color: var(--ink); min-width: 0; }
.dr-copy:hover, .dr-prep:hover { border-color: #94a3b8; }
.dr-copy b, .dr-prep b { font-size: 13.5px; }
.dr-copy small, .dr-prep small { font-size: 12px; color: var(--ink2); }
.dr-box, .dr-prep::before { position: absolute; left: 12px; top: 12px; width: 18px; height: 18px; border: 2px solid #94a3b8; border-radius: 5px; background: #fff; }
.dr-prep::before { content: ''; }
.dr-copy[aria-pressed="true"], .dr-prep[aria-pressed="true"] { border-color: #0f172a; box-shadow: 0 0 0 1px #0f172a; }
.dr-copy[aria-pressed="true"] .dr-box, .dr-prep[aria-pressed="true"]::before { background: #0f172a; border-color: #0f172a; box-shadow: inset 0 0 0 3px #fff; }
.dr-copy.lost { background: #fef2f2; border-color: #fca5a5; box-shadow: none; }
.dr-copy.kept { background: #f0fdf4; border-color: #86efac; box-shadow: none; }
.dr-st { align-self: flex-start; margin-top: 5px; font-size: 11.5px; font-weight: 700; border-radius: 6px; padding: 1px 8px; }
.dr-copy.lost .dr-st { background: #fee2e2; color: #991b1b; }
.dr-copy.kept .dr-st { background: #dcfce7; color: #166534; }
.dr-preps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.dr-go { appearance: none; font: inherit; font-size: 14px; font-weight: 700; cursor: pointer; color: #fff; background: #b91c1c; border: 0; border-radius: 999px; padding: 8px 18px; }
.dr-go:hover { background: #991b1b; }
.dr-verdict { padding: 12px 14px; }
.dr-verdict .dr-judge { margin-top: 0; }
.dr-verdict h4 { margin: 12px 0 4px; font-size: 13px; }
.dr-point { margin: 8px 0 0; font-size: 13px; color: var(--ink); }
.dr-point b { font-size: 11.5px; color: var(--muted); margin-right: 8px; }
.dr-notes { margin: 8px 0 0; padding-left: 1.2em; font-size: 13px; color: var(--ink2); display: grid; gap: 3px; }
.dr-why { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; font-size: 12.5px; color: var(--ink2); }
.dr-why li b { display: inline-block; font-size: 11px; border-radius: 6px; padding: 0 7px; margin-right: 6px; }
.dr-why li b.lost { background: #fee2e2; color: #991b1b; }
.dr-why li b.kept { background: #dcfce7; color: #166534; }
.dr-why .srcl { display: inline; margin: 0; }

/* 4 つの型 */
.dr-region { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 10px; margin: 10px 0; align-items: start; }
.dr-sites, .dr-wayinfo { padding: 12px 14px; min-width: 0; }
.dr-sitegrid { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; align-items: center; }
.dr-site h4 { margin: 0 0 6px; font-size: 13px; }
.dr-site ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 5px; }
.dr-part { display: flex; flex-direction: column; border-radius: 9px; padding: 6px 9px; border: 1px solid var(--line); font-size: 12.5px; }
.dr-part b { font-size: 13px; }
.dr-part span { font-size: 11.5px; }
.dr-part.on { background: #0f172a; border-color: #0f172a; color: #fff; }
.dr-part.on span { color: #cbd5e1; }
.dr-part.small { background: #e0e7ff; border-color: #6366f1; color: #312e81; }
.dr-part.off { border-style: dashed; border-color: #94a3b8; color: var(--ink2); }
.dr-part.copy { background: repeating-linear-gradient(135deg, #f0fdfa 0 6px, #ccfbf1 6px 12px); border-color: #5eead4; color: #134e4a; }
.dr-part.none { color: #94a3b8; background: var(--any-bg); }
.dr-arrow { font-size: 18px; color: #94a3b8; font-weight: 700; }
.dr-meter { margin: 10px 0 0; display: flex; align-items: center; gap: 10px; font-size: 12.5px; font-weight: 700; color: var(--ink2); }
.dr-meter > span:first-child { min-width: 6em; }
.dr-mbar { display: inline-flex; gap: 3px; }
.dr-mbar i { width: 26px; height: 9px; border-radius: 3px; background: var(--line); }
.dr-mbar i.on { background: #1d4ed8; }
.dr-mnote { margin: 6px 0 0; font-size: 11.5px; color: var(--muted); }
.dr-wayinfo h3 { margin: 0 0 8px; font-size: 16px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 10px; }
.dr-wayinfo h3 small { font: 500 12px var(--latin); color: var(--muted); }
.dr-dl.wide dt { white-space: nowrap; }

/* 表 */
.dr-drill { min-width: 760px; }
.dr-drill td:nth-child(3) { min-width: 16em; }
.dr-bcpt { min-width: 560px; }
.dr-ledger { min-width: 980px; }
.dr-ledger th[scope="row"], .dr-jobs th[scope="row"] { white-space: nowrap; }
.dr-jobs th[scope="row"] { font: 600 12px var(--latin); }

.dr-copy:focus-visible, .dr-prep:focus-visible, .dr-go:focus-visible, .dr-sl input:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .dr-rpo, .dr-rto, .dr-region { grid-template-columns: minmax(0, 1fr); }
  .dr-copies, .dr-preps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .dr-grade, .dr-copies, .dr-preps { grid-template-columns: minmax(0, 1fr); }
  .dr-tl { --lw: 38px; }
  .dr-days span { font-size: 10px; }
  .dr-sl { grid-template-columns: minmax(0, 1fr) 6em; }
  .dr-sl input { grid-column: 1 / -1; grid-row: 2; }
  .dr-steps li { grid-template-columns: 6.5em minmax(0, 1fr) 7em; }
  .dr-sitegrid { grid-template-columns: minmax(0, 1fr); }
  .dr-arrow { transform: rotate(90deg); justify-self: center; }
  .dr-big { font-size: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  .dr-copy, .dr-prep { transition: none; }
}