/* よくある機能の作り方。style.css と flow.css の上に重ねる */
.fhead p a, .srcl a, .rc-links a, .rc-tsrc a, .rc-subp a, .src a { color: #1d4ed8; text-underline-offset: 2px; }
.hint { display: inline-block; vertical-align: middle; font-size: 10.5px; font-weight: 700; line-height: 1.5; color: #475569; background: #f8fafc; border: 1px dashed #94a3b8; border-radius: 999px; padding: 0 8px; margin-left: 6px; white-space: nowrap; }
.aitag { font-size: 12px; font-weight: 700; color: #6d28d9; background: #ede9fe; border-radius: 6px; padding: 2px 8px; margin-right: 8px; vertical-align: middle; }
.srcl { margin: 10px 0 0; font-size: 12px; color: var(--muted); }
.rc-sub { margin: 26px 0 4px; font-size: 16px; }
.rc-sub.rc-subtop { margin-top: 4px; }
.rc-subp { margin: 0 0 10px; font-size: 13.5px; color: var(--ink2); max-width: 52em; }
.fsec code { font-family: var(--latin); font-size: .92em; }
.rc-cnote code, .rc-subp code, .rc-bsql code { background: var(--line2); border-radius: 5px; padding: 0 5px; }

/* コードとつまずき */
.rc-body { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 14px 18px; align-items: start; }
.rc-codecol { min-width: 0; }
@media (min-width: 1101px) {
  .rc-codecol { position: sticky; top: 12px; }
}
.rc-tabs { display: flex; gap: 4px; overflow-x: auto; padding: 2px 2px 6px; scrollbar-width: thin; }
.rc-tabs button { appearance: none; flex: none; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink2); background: var(--paper); border: 1px solid var(--line); border-radius: 999px; padding: 5px 12px; cursor: pointer; white-space: nowrap; }
.rc-tabs button:hover { border-color: #94a3b8; }
.rc-tabs button[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.rc-code { margin: 0; background: #0f172a; color: #e2e8f0; border-radius: 12px; padding: 14px 16px; overflow: auto; max-height: 470px; font-family: var(--latin); font-size: 12.5px; line-height: 1.65; tab-size: 4; }
.rc-code .st { color: #fde68a; }
.rc-code .co { color: #94a3b8; }
.rc-traph { margin: 0 0 8px; font-size: 14px; color: var(--ink2); }
.rc-traps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.rc-traps li { background: var(--paper); border: 1px solid var(--line); border-left: 3px solid #f59e0b; border-radius: 12px; padding: 10px 14px; }
.rc-traps b { font-size: 14px; }
.rc-traps p { margin: 4px 0 0; font-size: 13px; color: var(--ink2); }
.rc-links { display: flex; flex-wrap: wrap; gap: 4px 14px; font-weight: 700; font-size: 12.5px; }
.rc-links a { text-decoration: none; }
.rc-links a:hover { text-decoration: underline; }
.rc-tsrc { font-size: 11.5px !important; color: var(--muted) !important; }
.rc-allsrc { grid-column: 1 / -1; margin: 0; }

/* メールの DNS */
.rc-auth { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.rc-acard { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; border-top: 4px solid #2563eb; min-width: 0; }
.rc-acard.a-dkim { border-top-color: #7c3aed; }
.rc-acard.a-dmarc { border-top-color: #0d9488; }
.rc-acard h4 { margin: 0; font-size: 17px; font-family: var(--latin); display: flex; align-items: baseline; gap: 8px; }
.rc-acard h4 small { font-size: 11.5px; color: var(--muted); font-weight: 600; }
.rc-acard p { margin: 6px 0 0; font-size: 13px; color: var(--ink2); }
.rc-rec { margin: 8px 0 0; background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 8px 10px; font-family: var(--latin); font-size: 11.5px; line-height: 1.55; white-space: pre-wrap; overflow-wrap: anywhere; }
.rc-anote { font-size: 12.5px !important; }
.rc-gmail { margin-top: 10px; padding: 14px 18px; }
.rc-gmail h4 { margin: 0 0 8px; font-size: 15px; }
.rc-gcols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 22px; }
.rc-ghd { margin: 0 0 4px; font-size: 12.5px; font-weight: 700; color: var(--muted); }
.rc-gcols ul { margin: 0; padding-left: 1.2em; display: grid; gap: 3px; font-size: 13px; color: var(--ink2); }
.rc-gsvc { margin: 10px 0 0; font-size: 13px; color: var(--ink2); }

/* 受け取り方 */
.rc-routes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.rc-route { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 16px; }
.rc-route h4 { margin: 0 0 8px; font-size: 15px; }
.rc-route p { margin: 6px 0 0; font-size: 13px; color: var(--ink2); }
.rc-route p b, .rc-find p b { display: inline-block; margin-right: 8px; font-size: 11.5px; color: var(--muted); }
.rc-path { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 26px; }
.rc-path li { position: relative; font-size: 12.5px; font-weight: 700; background: #eff6ff; color: #1e3a8a; border: 1px solid #bfdbfe; border-radius: 8px; padding: 4px 10px; }
.rc-path li + li::before { content: '→'; position: absolute; left: -20px; top: 50%; transform: translateY(-50%); color: #94a3b8; font-weight: 400; }
.rc-route.r1 .rc-path li { background: #f0fdfa; color: #134e4a; border-color: #99f6e4; }
.rc-psub { font-size: 12px !important; color: var(--muted) !important; margin-top: 4px !important; }
.rc-wide { grid-column: 1 / -1; margin: 0; }

/* 探し方 */
.rc-finds { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.rc-find { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.rc-find h4 { margin: 0 0 4px; font-size: 14.5px; }
.rc-find p { margin: 6px 0 0; font-size: 13px; color: var(--ink2); }

/* offset と cursor */
.rc-page, .rc-pay { padding: 14px 18px; }
.rc-pctl { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.rc-btn { appearance: none; font: inherit; font-size: 13px; font-weight: 700; padding: 7px 14px; border-radius: 999px; border: 1px solid #94a3b8; background: var(--paper); color: var(--ink); cursor: pointer; }
.rc-btn:hover:not(:disabled) { border-color: var(--ink); }
.rc-btn.main { background: var(--ink); border-color: var(--ink); color: #fff; }
.rc-btn.ghost { border-color: var(--line); color: var(--ink2); }
.rc-btn:disabled { opacity: .45; cursor: not-allowed; }
.rc-pstate { flex: 1 1 260px; font-size: 13px; color: var(--ink2); }
.rc-pcols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 12px; }
.rc-pcol { min-width: 0; }
.rc-phd { margin: 0 0 6px; font-size: 13px; font-weight: 700; }
.rc-plist { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.rc-plist li { display: flex; align-items: center; gap: 10px; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 5px 10px; font-size: 13px; }
.rc-plist li.rc-psep { background: none; border: 0; padding: 2px 0 0; font-size: 11.5px; font-weight: 700; color: var(--muted); }
.rc-plist li.dup { background: #fef2f2; border-color: #fca5a5; }
.rc-plist li.okp { background: #f0fdfa; border-color: #99f6e4; }
.rc-pid { font-family: var(--latin); font-weight: 600; min-width: 2.6em; }
.rc-ptitle { color: var(--ink2); }
.rc-pnote { margin-left: auto; font-size: 11.5px; font-weight: 700; color: #b91c1c; }
.rc-sql { margin: 8px 0 0; background: #0f172a; color: #e2e8f0; border-radius: 10px; padding: 8px 12px; font-family: var(--latin); font-size: 12px; line-height: 1.6; white-space: pre-wrap; }
.rc-deep { margin-top: 10px; padding: 14px 18px; }
.rc-dlab { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 12px; font-size: 13.5px; }
.rc-dlab span { font-family: var(--latin); font-weight: 600; }
.rc-deep input[type="range"] { width: 100%; margin: 10px 0 6px; accent-color: #0f172a; }
.rc-bars { display: grid; gap: 6px; }
.rc-bar { display: grid; grid-template-columns: 4.5em minmax(0, 1fr) 8.5em; gap: 10px; align-items: center; font-size: 12.5px; }
.rc-blab { font-family: var(--latin); font-weight: 600; }
.rc-btrack { height: 12px; background: var(--line2); border-radius: 6px; overflow: hidden; }
.rc-bfill { display: block; height: 100%; border-radius: 6px; }
.rc-bfill.off { background: #f97316; }
.rc-bfill.cur { background: #0d9488; }
.rc-bnum { font-family: var(--latin); text-align: right; }
.rc-bsql { margin: 6px 0 0; font-size: 12px; color: var(--muted); }
.rc-dnote { margin: 8px 0 0; font-size: 12px; color: var(--muted); }

/* cron の読み方 */
.rc-cron { padding: 14px 18px; }
.rc-ctop { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: flex-end; }
.rc-cin { flex: 1 1 260px; display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.rc-cin span { font-size: 12px; font-weight: 700; color: var(--muted); }
.rc-cin input { font-family: var(--latin); font-size: 18px; padding: 8px 12px; border: 1.5px solid #cbd5e1; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; min-width: 0; letter-spacing: .04em; }
.rc-cin input:focus { border-color: #2563eb; outline: none; box-shadow: 0 0 0 3px rgba(37, 99, 235, .2); }
.rc-tz { display: inline-flex; gap: 3px; padding: 3px; border: 1px solid var(--line); border-radius: 999px; background: var(--line2); }
.rc-tz button { appearance: none; border: 0; background: transparent; font: inherit; font-size: 13px; font-weight: 700; color: var(--ink2); border-radius: 999px; padding: 6px 14px; cursor: pointer; }
.rc-tz button[aria-pressed="true"] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 2px rgba(15, 23, 42, .08); }
.rc-cpre { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.rc-cbtn { appearance: none; font: inherit; display: inline-flex; align-items: baseline; gap: 6px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--paper); cursor: pointer; color: var(--ink); }
.rc-cbtn code { font-size: 12.5px; font-weight: 600; }
.rc-cbtn span { font-size: 11px; color: var(--muted); }
.rc-cbtn:hover { border-color: #94a3b8; }
.rc-cbtn[aria-pressed="true"] { border-color: var(--ink); box-shadow: inset 0 0 0 1px var(--ink); }
.rc-cout { margin-top: 14px; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px 22px; align-items: start; }
.rc-cout > .rc-err { grid-column: 1 / -1; }
.rc-cleft, .rc-cright { min-width: 0; display: grid; gap: 8px; }
.rc-ctable { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 13px; background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.rc-ctable th, .rc-ctable td { text-align: left; padding: 7px 12px; border-top: 1px solid var(--line2); }
.rc-ctable thead th { font-size: 11.5px; color: var(--muted); border-top: 0; background: var(--line2); }
.rc-ctable tr:first-child th, .rc-ctable tr:first-child td { border-top: 0; }
.rc-ctable tbody th { width: 4.5em; white-space: nowrap; }
.rc-ctable td code { font-size: 13px; font-weight: 600; }
.rc-nexthd { margin: 0; font-size: 12.5px; font-weight: 700; color: var(--muted); }
.rc-runs { margin: 0; padding: 0; list-style: none; display: grid; gap: 4px; }
.rc-runs li { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 6px 12px; }
.rc-runs b { font-size: 14px; }
.rc-runs span { font-size: 11.5px; color: var(--muted); }
.rc-cnote { margin: 0; font-size: 12.5px; color: #78350f; background: #fffbeb; border: 1px solid #fde68a; border-radius: 10px; padding: 7px 10px; }
.rc-cnote.lv { color: #1e3a8a; background: #eff6ff; border-color: #bfdbfe; }
.rc-err { margin: 0; color: #b91c1c; font-weight: 700; font-size: 13.5px; }

/* 送り直し */
.rc-charges { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; min-height: 40px; }
.rc-charges li { display: flex; gap: 10px; align-items: baseline; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 6px 10px; font-size: 13px; }
.rc-charges li.dup { background: #fef2f2; border-color: #fca5a5; }
.rc-charges li.replay { background: #f0fdfa; border-color: #99f6e4; }
.rc-charges li.rc-empty { color: var(--muted); border-style: dashed; }
.rc-cid { flex: none; font-weight: 700; font-size: 12px; }
.rc-ptotal { margin: 8px 0 0; font-size: 13px; color: var(--ink2); }
.rc-ptotal b { font-size: 16px; color: var(--ink); }
.rc-ptotal b.bad { color: #b91c1c; }
.rc-pay + .rc-body { margin-top: 16px; }

/* AI 時代 */
.rc-ai { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.rc-aicard { background: #faf8ff; border: 1px solid #dccdfb; border-radius: 14px; padding: 12px 14px; }
.rc-aicard b { font-size: 14px; }
.rc-aicard p { margin: 6px 0 0; font-size: 13px; color: var(--ink2); }
.rc-oldt { background: var(--paper); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.rc-orow { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr) minmax(0, 1.2fr); gap: 4px 16px; padding: 9px 16px; border-top: 1px solid var(--line2); font-size: 13px; color: var(--ink2); }
.rc-orow:first-child { border-top: 0; }
.rc-ohead { font-size: 11.5px; font-weight: 700; color: var(--muted); background: var(--line2); }
.rc-orow [role="rowheader"] { font-weight: 700; color: var(--ink); }

/* チェックリスト */
.cklist { padding: 10px 16px; }
.mlist { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 2px 18px; }
.mlist label { display: flex; gap: 9px; align-items: flex-start; font-size: 13.5px; cursor: pointer; padding: 5px 0; }
.mlist input { flex: none; width: 17px; height: 17px; margin: 2px 0 0; accent-color: #0d9488; cursor: pointer; }
.mlist input:checked + span { color: var(--muted); text-decoration: line-through; }
.ckfoot { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.ckcount { font-family: var(--latin); font-size: 13px; color: var(--muted); }
.ckreset { appearance: none; border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: 5px 12px; font: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink2); cursor: pointer; }

.rc-tabs button:focus-visible, .rc-code:focus-visible, .rc-rec:focus-visible, .rc-sql:focus-visible, .rc-btn:focus-visible, .rc-tz button:focus-visible, .rc-cbtn:focus-visible, .rc-deep input:focus-visible, .rc-links a:focus-visible, .rc-tsrc a:focus-visible, .rc-subp a:focus-visible, .srcl a:focus-visible, .src a:focus-visible, .mlist input:focus-visible, .ckreset:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }

@media (max-width: 1100px) {
  .rc-body { grid-template-columns: minmax(0, 1fr); }
  .rc-finds { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rc-auth { grid-template-columns: minmax(0, 1fr); }
  .rc-ai { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .rc-finds, .rc-routes, .rc-gcols, .rc-ai, .rc-pcols, .mlist { grid-template-columns: minmax(0, 1fr); }
  .rc-page, .rc-pay, .rc-cron, .rc-deep, .rc-gmail { padding: 12px 14px; }
  .rc-cout { grid-template-columns: minmax(0, 1fr); }
  .rc-orow { grid-template-columns: minmax(0, 1fr); }
  .rc-ohead { display: none; }
  .rc-orow [role="cell"]::before { display: block; font-size: 11px; font-weight: 700; color: var(--muted); }
  .rc-orow [role="cell"]:nth-child(2)::before { content: '前の書き方'; }
  .rc-orow [role="cell"]:nth-child(3)::before { content: '今の書き方'; }
  .rc-bar { grid-template-columns: 4em minmax(0, 1fr) 6.5em; }
  .rc-code { font-size: 11.5px; padding: 12px; white-space: pre-wrap; overflow-wrap: anywhere; max-height: none; }
  .rc-tabs { flex-wrap: wrap; overflow: visible; }
}
@media (prefers-reduced-motion: reduce) {
  .rc-tabs { scroll-behavior: auto; }
}