/* ==========================================================================
   WN4AFT — Radio Calculators (/radio-calculators.html)
   Loaded after /styles.css and /radio-tools.css (hero, panel and notice
   styles are shared with the other Radio Tools pages). Every rule here is
   scoped to body.rc-page. No inline styles; no external assets.
   ========================================================================== */

.rc-page .rc-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- Hero additions ---------- */
.rc-page .rc-hero-sub {
  font-size: var(--step-2); color: var(--gold); letter-spacing: 0.03em; margin: 0 0 1rem;
  padding-left: 0.9rem; border-left: 3px solid var(--gold);
}
.rc-page .rc-art-axis { stroke: rgba(201, 210, 222, 0.45); stroke-width: 2; stroke-dasharray: 4 6; fill: none; }
.rc-page .rc-art-sine { stroke: var(--gold); stroke-width: 5; stroke-linecap: round; fill: none; }
.rc-page .rc-art-bracket { stroke: var(--on-navy); stroke-width: 3; stroke-linecap: round; fill: none; }
.rc-page .rc-art-lambda { fill: var(--on-navy); font-family: var(--font-body); font-size: 26px; font-style: italic; }

/* ---------- Contents ---------- */
.rc-page .rc-contents { padding-block: clamp(1.75rem, 1rem + 3vw, 3rem) 0; }
.rc-page .rc-contents-title {
  font-family: var(--font-display); font-weight: 500; font-size: var(--step--1); letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--gold-ink); margin: 0 0 0.85rem;
}
.rc-page .rc-contents-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1.6fr repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.rc-page .rc-contents-list a {
  display: flex; align-items: center; gap: 0.75rem; height: 100%; min-height: 64px; padding: 0.85rem 1rem;
  background: #FFFFFF; border: 1px solid var(--rule); border-radius: 12px; text-decoration: none; color: var(--navy);
  transition: border-color .2s, box-shadow .2s;
}
.rc-page .rc-contents-list a:hover { border-color: var(--gold-ink); box-shadow: 0 8px 20px rgba(10, 24, 48, 0.08); }
.rc-page .rc-contents-list a:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.rc-page .rc-contents-name { font-family: var(--font-display); font-weight: 500; font-size: 1.08rem; letter-spacing: 0.02em; line-height: 1.2; }
.rc-page .rc-ci { width: 30px; height: 30px; flex: none; fill: none; stroke: var(--gold-ink); stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.rc-page .rc-contents-main a { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.15rem 0.85rem; background: var(--navy); border-color: var(--navy); color: var(--on-navy); }
.rc-page .rc-contents-main .rc-ci { grid-row: 1 / span 2; width: 38px; height: 38px; stroke: var(--gold); }
.rc-page .rc-contents-main .rc-contents-name { font-size: 1.3rem; font-weight: 700; color: var(--on-navy); }
.rc-page .rc-contents-note { font-size: 0.92rem; color: var(--on-navy-muted); line-height: 1.4; }
.rc-page .rc-contents-main a:hover { border-color: var(--gold); }
.rc-page .rc-contents-main a:focus-visible { outline-color: var(--gold-ink); }
.rc-page .rc-noscript { margin: 1rem 0 0; }

/* ---------- Calculator sections ---------- */
.rc-page .rc-calc { scroll-margin-top: 4.5rem; }
.rc-page .rc-calc-head { max-width: 46rem; margin-bottom: clamp(1.25rem, 3vw, 2rem); }
.rc-page .rc-kicker {
  display: flex; align-items: center; gap: 0.6rem; margin: 0 0 0.6rem;
  font-family: var(--font-display); font-weight: 500; font-size: var(--step--1); letter-spacing: 0.2em; text-transform: uppercase; color: var(--gold-ink);
}
.rc-page .rc-num {
  display: inline-grid; place-items: center; width: 1.9rem; height: 1.9rem; border-radius: 50%;
  background: var(--navy); color: var(--gold); font-weight: 700; letter-spacing: 0; font-size: 0.95rem;
}
.rc-page .rc-calc-title { font-size: var(--step-3); color: var(--navy); margin: 0 0 0.75rem; line-height: 1.08; }
.rc-page .rc-lead { font-size: var(--step-1); color: var(--ink); margin: 0; }
.rc-page .rc-calc-primary { padding-top: clamp(2.5rem, 1.5rem + 3vw, 4rem); }
.rc-page .rc-calc-primary .rc-calc-title { font-size: clamp(2.2rem, 1.5rem + 3vw, 3.4rem); }
.rc-page .rc-calc-primary .rc-num { background: var(--gold); color: var(--navy-deep); }

.rc-page .rc-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.rc-page .rc-tool.rt-panel { padding: clamp(1.15rem, 3vw, 2rem); }
.rc-page .section-alt .rc-tool.rt-panel { background: #FFFFFF; }

/* ---------- Form ---------- */
.rc-page .rc-form { display: grid; gap: 1.25rem; }
.rc-page .rc-form[hidden] { display: none; }
.rc-page fieldset { border: 0; margin: 0; padding: 0; min-width: 0; }
.rc-page .rc-legend, .rc-page .rc-label {
  display: block; padding: 0; margin: 0 0 0.45rem;
  font-family: var(--font-display); font-weight: 700; font-size: 1.08rem; letter-spacing: 0.03em; color: var(--navy);
}
.rc-page .rc-unit-label { font-weight: 500; color: var(--ink-muted); letter-spacing: 0.01em; }
.rc-page .rc-hint { color: var(--ink-muted); font-size: 0.93rem; margin: -0.2rem 0 0.55rem; }
.rc-page .rc-modebox { display: grid; gap: 1.25rem; }
.rc-page .rc-modebox[hidden], .rc-page .rc-field[hidden] { display: none; }
.rc-page .rc-field { min-width: 0; }

.rc-page .rc-numunit { display: flex; gap: 0.5rem; align-items: stretch; }
.rc-page .rc-input, .rc-page .rc-select {
  min-height: 52px; border: 2px solid #8C93A0; border-radius: 10px; background: #FFFFFF; color: var(--navy);
  font-family: var(--font-display); font-size: 1.3rem; font-weight: 500; letter-spacing: 0.03em;
}
.rc-page .rc-input { flex: 1 1 auto; min-width: 0; width: 100%; padding: 0.45rem 0.85rem; }
.rc-page .rc-input-short { max-width: 14rem; }
.rc-page .rc-select {
  flex: 0 0 auto; padding: 0.4rem 2.2rem 0.4rem 0.75rem; font-size: 1.05rem; cursor: pointer; appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--navy) 50%), linear-gradient(135deg, var(--navy) 50%, transparent 50%);
  background-position: calc(100% - 17px) 52%, calc(100% - 11px) 52%; background-size: 6px 6px, 6px 6px; background-repeat: no-repeat;
}
.rc-page .rc-select-wide { min-width: 12rem; }
.rc-page .rc-input:focus, .rc-page .rc-select:focus { border-color: var(--navy); }
.rc-page .rc-input:focus-visible, .rc-page .rc-select:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.rc-page .rc-input[aria-invalid="true"], .rc-page .rc-select[aria-invalid="true"] { border-color: #A3231A; box-shadow: 0 0 0 1px #A3231A; background-color: #FFFBFA; }
.rc-page .rc-unit-fixed {
  display: inline-grid; place-items: center; min-width: 3.5rem; padding: 0 0.75rem; border-radius: 10px;
  background: var(--cream); border: 2px solid var(--rule); font-family: var(--font-display); font-weight: 700; color: var(--navy);
}
.rc-page .rc-err { display: flex; gap: 0.4rem; align-items: flex-start; color: #A3231A; font-weight: 600; font-size: 0.97rem; margin: 0.5rem 0 0; }
.rc-page .rc-err[hidden] { display: none; }
.rc-page .rc-err::before {
  content: "!"; flex: none; display: inline-grid; place-items: center; width: 1.2rem; height: 1.2rem; border-radius: 50%;
  background: #A3231A; color: #fff; font-size: 0.8rem; margin-top: 0.15rem;
}

/* Segmented choices (mode / "what to find") */
.rc-page .rc-seg { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; border: 2px solid var(--navy); border-radius: 12px; overflow: hidden; }
.rc-page .rc-seg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rc-page .rc-seg-opt { position: relative; display: block; cursor: pointer; }
.rc-page .rc-seg-opt + .rc-seg-opt { border-left: 2px solid var(--navy); }
.rc-page .rc-seg-opt input, .rc-page .rc-chip input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; }
.rc-page .rc-seg-opt span {
  display: flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 48px; padding: 0.5rem 0.6rem; text-align: center;
  font-family: var(--font-display); font-weight: 500; font-size: 1rem; letter-spacing: 0.02em; color: var(--navy); background: #FFFFFF; line-height: 1.2;
}
.rc-page .rc-seg-opt input:checked + span { background: var(--navy); color: var(--on-navy); }
.rc-page .rc-seg-opt input:checked + span::before { content: "✓"; color: var(--gold); font-weight: 700; }
.rc-page .rc-seg-opt input:focus-visible + span { outline: 3px solid var(--gold-ink); outline-offset: -5px; }
.rc-page .rc-seg-opt:hover input:not(:checked) + span { background: var(--cream); }

/* Fraction chips */
.rc-page .rc-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.rc-page .rc-chip { position: relative; display: block; cursor: pointer; }
.rc-page .rc-chip span {
  display: inline-flex; align-items: center; gap: 0.35rem; min-height: 44px; padding: 0.4rem 1rem; border-radius: 999px;
  border: 2px solid #8C93A0; background: #FFFFFF; color: var(--navy); font-family: var(--font-display); font-weight: 500; font-size: 1.05rem;
}
.rc-page .rc-chip input:checked + span { border-color: var(--navy); background: var(--navy); color: var(--on-navy); }
.rc-page .rc-chip input:checked + span::before { content: "✓"; color: var(--gold); font-weight: 700; }
.rc-page .rc-chip input:focus-visible + span { outline: 3px solid var(--gold-ink); outline-offset: 2px; }
.rc-page .rc-chip:hover input:not(:checked) + span { border-color: var(--navy); }

.rc-page .rc-custom { padding: 0.9rem 1rem; border-left: 4px solid var(--gold); background: var(--cream); border-radius: 0 10px 10px 0; }

/* Buttons */
.rc-page .rc-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; padding-top: 0.25rem; }
.rc-page .rc-calc-btn { min-width: 9.5rem; }
.rc-page .rc-btn-outline { border-color: var(--navy); color: var(--navy); background: #FFFFFF; }
.rc-page .rc-btn-outline:hover { background: var(--cream); color: var(--navy); }
.rc-page .rc-btn-plain { color: var(--navy); background: transparent; text-decoration: underline; text-underline-offset: 4px; padding-inline: 0.9rem; }
.rc-page .rc-btn-plain:hover { color: var(--gold-ink); }
.rc-page .btn { cursor: pointer; }
.rc-page .btn:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }

/* ---------- Results ---------- */
.rc-page .rc-result { margin-top: 1.5rem; padding-top: 1.25rem; border-top: 2px solid var(--rule); }
.rc-page .rc-result-title {
  font-family: var(--font-display); font-weight: 500; font-size: 0.85rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-muted); margin: 0 0 0.75rem;
}
.rc-page .rc-idle { padding: 1rem 1.15rem; border: 2px dashed var(--rule); border-radius: 10px; color: var(--ink-muted); margin: 0; }
.rc-page .rc-result-for { font-family: var(--font-display); font-size: 1.05rem; letter-spacing: 0.02em; color: var(--navy); margin: 0 0 0.75rem; }
.rc-page .rc-bigs { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.rc-page .rc-bigs-one { grid-template-columns: minmax(0, 1fr); }
.rc-page .rc-big { background: var(--navy); color: var(--on-navy); border-radius: 12px; padding: 1rem 1.15rem; border-top: 4px solid var(--gold); min-width: 0; }
.rc-page .rc-big + .rc-big { background: var(--navy-soft); }
.rc-page .rc-big-label { font-family: var(--font-display); font-size: 0.82rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-navy-muted); margin: 0 0 0.3rem; line-height: 1.35; }
.rc-page .rc-big-value { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 1.4rem + 2vw, 2.6rem); line-height: 1.05; color: var(--gold); margin: 0; overflow-wrap: anywhere; }
.rc-page .rc-big-unit { font-size: 0.6em; font-weight: 500; color: var(--on-navy); }
.rc-page .rc-big-extra { margin: 0.35rem 0 0; color: var(--on-navy-muted); font-size: 0.98rem; }
.rc-page .rc-result-note { font-size: 0.95rem; color: var(--ink-muted); margin: 0 0 1rem; }
.rc-page .rc-table-note { font-size: 0.93rem; color: var(--ink-muted); margin: -0.25rem 0 1rem; }

/* Out-of-date results: text + dashed frame + muted values (never color alone) */
.rc-page .rc-result.is-stale .rc-bigs, .rc-page .rc-result.is-stale .rc-table-wrap, .rc-page .rc-result.is-stale .rc-dipole,
.rc-page .rc-result.is-stale .rc-result-for, .rc-page .rc-result.is-stale .rc-work, .rc-page .rc-result.is-stale .rc-result-note { opacity: 0.45; filter: grayscale(1); }
.rc-page .rc-result.is-stale .rc-result-title { color: #8A3A00; }
.rc-page .rc-stale-note {
  display: flex; gap: 0.55rem; align-items: flex-start; margin: 0 0 0.9rem; padding: 0.75rem 0.9rem;
  border: 2px dashed var(--gold-ink); border-radius: 10px; background: #FFF8E6; color: var(--ink); font-weight: 600;
}
.rc-page .rc-stale-note::before { content: "!"; flex: none; display: inline-grid; place-items: center; width: 1.3rem; height: 1.3rem; border-radius: 50%; background: var(--gold-ink); color: #fff; font-size: 0.8rem; }

/* Comparison table */
.rc-page .rc-table-wrap { overflow-x: auto; margin: 0 0 1rem; border: 1px solid var(--rule); border-radius: 10px; background: #FFFFFF; }
.rc-page .rc-table-wrap:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; }
.rc-page .rc-table { width: 100%; border-collapse: collapse; font-size: 1rem; }
.rc-page .rc-table caption { caption-side: top; text-align: left; padding: 0.7rem 0.9rem 0.4rem; font-family: var(--font-display); font-size: 0.95rem; letter-spacing: 0.02em; color: var(--navy); }
.rc-page .rc-table th, .rc-page .rc-table td { padding: 0.6rem 0.9rem; text-align: left; border-top: 1px solid var(--rule); white-space: nowrap; }
.rc-page .rc-table thead th { font-family: var(--font-display); font-weight: 500; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); background: var(--paper); white-space: normal; }
.rc-page .rc-table tbody th { font-family: var(--font-display); font-weight: 500; color: var(--navy); }
.rc-page .rc-num-cell { font-family: var(--font-display); font-weight: 700; color: var(--navy); font-variant-numeric: tabular-nums; }
.rc-page .rc-table tr.is-selected th, .rc-page .rc-table tr.is-selected td { background: #FFF5DA; }
.rc-page .rc-table tr.is-selected th { box-shadow: inset 4px 0 0 var(--gold-ink); }
.rc-page .rc-sel-tag {
  display: inline-block; margin-left: 0.5rem; padding: 0.05rem 0.45rem; border-radius: 999px; background: var(--navy); color: var(--gold);
  font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; vertical-align: 0.1em;
}

/* Worked calculation */
.rc-page .rc-work { border: 1px solid var(--rule); border-radius: 10px; background: var(--paper); }
.rc-page .rc-work > summary {
  display: flex; align-items: center; gap: 0.5rem; min-height: 48px; padding: 0.5rem 1rem; cursor: pointer; list-style: none;
  font-family: var(--font-display); font-weight: 500; font-size: 1.02rem; letter-spacing: 0.03em; color: var(--navy);
}
.rc-page .rc-work > summary::-webkit-details-marker { display: none; }
.rc-page .rc-work > summary::before { content: "+"; display: inline-grid; place-items: center; width: 1.4rem; height: 1.4rem; border-radius: 50%; border: 2px solid var(--navy); font-weight: 700; line-height: 1; }
.rc-page .rc-work[open] > summary::before { content: "−"; }
.rc-page .rc-work > summary:focus-visible { outline: 3px solid var(--navy); outline-offset: -3px; border-radius: 10px; }
.rc-page .rc-steps { margin: 0; padding: 0 1rem 0.5rem 2.6rem; }
.rc-page .rc-steps li { padding: 0.45rem 0; border-top: 1px solid var(--rule); }
.rc-page .rc-step-label { display: block; font-size: 0.88rem; color: var(--ink-muted); }
.rc-page .rc-step-math { display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.95rem; color: var(--ink); overflow-wrap: anywhere; }
.rc-page .rc-rounding { margin: 0; padding: 0.6rem 1rem 0.9rem; font-size: 0.88rem; color: var(--ink-muted); border-top: 1px solid var(--rule); }

/* Dipole result */
.rc-page .rc-dipole { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; margin-bottom: 1rem; }
.rc-page .rc-dp-card { border-radius: 12px; padding: 1rem 1.15rem; background: var(--navy); color: var(--on-navy); border-top: 4px solid var(--gold); min-width: 0; }
.rc-page .rc-dp-leg { background: var(--navy-soft); }
.rc-page .rc-dp-alt { margin: 0.6rem 0 0; display: grid; gap: 0.3rem; }
.rc-page .rc-dp-alt div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0 0.75rem; border-top: 1px solid rgba(201, 210, 222, 0.25); padding-top: 0.3rem; }
.rc-page .rc-dp-alt dt { color: var(--on-navy-muted); font-size: 0.9rem; }
.rc-page .rc-dp-alt dd { margin: 0; font-family: var(--font-display); font-weight: 500; color: var(--on-navy); }
.rc-page .rc-dp-diagram { display: flex; align-items: center; gap: 0; margin: 0 0 0.85rem; padding: 0 0.25rem; }
.rc-page .rc-dp-leg-bar { flex: 1 1 0; height: 4px; background: var(--navy); border-radius: 2px; }
.rc-page .rc-dp-feed { width: 16px; height: 16px; flex: none; border-radius: 50%; border: 3px solid var(--gold-ink); background: #FFFFFF; }

/* ---------- Learning column ---------- */
.rc-page .rc-learn { display: grid; gap: 1rem; }
.rc-page .rc-note-block { background: var(--paper); border: 1px solid var(--rule); border-radius: 14px; padding: clamp(1.1rem, 2.5vw, 1.5rem); }
.rc-page .section-alt .rc-note-block { background: #FFFFFF; }
.rc-page .rc-note-block h3 { font-size: 1.35rem; color: var(--navy); margin: 0 0 0.6rem; }
.rc-page .rc-note-block p:last-child { margin-bottom: 0; }
.rc-page .rc-formula { margin: 0 0 1rem; padding: 0.75rem 0.95rem; border-left: 4px solid var(--navy); background: var(--cream); border-radius: 0 8px 8px 0; }
.rc-page .rc-formula p { margin: 0.15rem 0; }
.rc-page .rc-f { font-family: var(--font-display); font-weight: 500; font-size: 1.05rem; letter-spacing: 0.02em; color: var(--navy); }
.rc-page .rc-formula-approx { border-left-color: var(--gold-ink); }
.rc-page .rc-tag {
  display: inline-block; margin-right: 0.35rem; padding: 0.08rem 0.5rem; border-radius: 999px; border: 1px solid var(--gold-ink);
  font-family: var(--font-display); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold-ink); vertical-align: 0.15em;
}
.rc-page .rc-symbols { margin: 0 0 1rem; display: grid; gap: 0.35rem; }
.rc-page .rc-symbols div { display: grid; grid-template-columns: 2rem minmax(0, 1fr); gap: 0.6rem; align-items: baseline; }
.rc-page .rc-symbols dt { font-family: var(--font-body); font-style: italic; font-weight: 600; font-size: 1.2rem; color: var(--navy); text-align: center; }
.rc-page .rc-symbols dd { margin: 0; font-size: 0.97rem; }
.rc-page .rc-small { font-size: 0.97rem; color: var(--ink-muted); }
.rc-page .rc-example { border-left: 5px solid var(--gold); }
.rc-page .rc-ex-list { margin: 0 0 0.75rem; padding-left: 1.2rem; font-family: var(--font-display); color: var(--navy); }
.rc-page .rc-work-static { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.97rem; background: var(--cream); padding: 0.7rem 0.9rem; border-radius: 8px; }
.rc-page .rc-caution { border-left: 5px solid var(--navy); }

/* Shared electrical note */
.rc-page .rc-magnitude {
  display: flex; gap: 0.9rem; align-items: flex-start; margin: 0 0 clamp(2rem, 4vw, 3rem); padding: 1rem 1.25rem;
  background: #FFFFFF; border: 1px solid var(--rule); border-left: 5px solid var(--navy); border-radius: 10px; max-width: 54rem;
}
.rc-page .rc-mag-icon { width: 26px; height: 26px; flex: none; fill: none; stroke: var(--navy); stroke-width: 2; stroke-linecap: round; margin-top: 0.15rem; }
.rc-page .rc-mag-title { font-size: 1.15rem; color: var(--navy); margin: 0 0 0.3rem; }
.rc-page .rc-magnitude p { margin: 0; }

/* ---------- Formula sources ---------- */
.rc-page .rc-sources { padding-block: clamp(2.5rem, 1.5rem + 3vw, 4rem); }
.rc-page .rc-sources-title { font-size: var(--step-2); color: var(--navy); margin: 0 0 0.4rem; }
.rc-page .rc-sources-note { color: var(--ink-muted); max-width: 44rem; }
.rc-page .rc-sources-list { list-style: none; margin: 0 0 1rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.6rem 1.75rem; }
.rc-page .rc-sources-list a { display: inline-flex; align-items: center; min-height: 44px; font-family: var(--font-display); font-weight: 500; letter-spacing: 0.02em; color: var(--navy); text-decoration-color: var(--gold); text-underline-offset: 4px; }
.rc-page .rc-sources-list a:hover { color: var(--gold-ink); }
.rc-page .rc-ext { width: 15px; height: 15px; margin-left: 0.4rem; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .rc-page .rc-grid { grid-template-columns: minmax(0, 1fr); }
  .rc-page .rc-contents-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .rc-page .rc-contents-main { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .rc-page .rc-contents-list { grid-template-columns: minmax(0, 1fr); }
  .rc-page .rc-bigs, .rc-page .rc-dipole { grid-template-columns: minmax(0, 1fr); }
  .rc-page .rc-seg-3 { grid-template-columns: minmax(0, 1fr); }
  .rc-page .rc-seg-3 .rc-seg-opt + .rc-seg-opt { border-left: 0; border-top: 2px solid var(--navy); }
}
@media (max-width: 420px) {
  .rc-page .rc-seg { grid-template-columns: minmax(0, 1fr); }
  .rc-page .rc-seg .rc-seg-opt + .rc-seg-opt { border-left: 0; border-top: 2px solid var(--navy); }
  .rc-page .rc-numunit { flex-wrap: wrap; }
  .rc-page .rc-numunit .rc-select { flex: 1 1 100%; }
  .rc-page .rc-actions .btn { flex: 1 1 100%; }
  .rc-page .rc-select-wide { width: 100%; min-width: 0; }
  .rc-page .rc-input-short { max-width: none; }
  .rc-page .rc-table th, .rc-page .rc-table td { padding-inline: 0.6rem; }
}
@media (prefers-reduced-motion: reduce) {
  .rc-page .rc-contents-list a { transition: none; }
}
@media print {
  .rc-page .rc-form, .rc-page .rc-contents, .rc-page .rt-hero-art { display: none !important; }
  .rc-page .rc-big, .rc-page .rc-dp-card { background: #fff !important; color: #000 !important; border: 1px solid #999; }
  .rc-page .rc-big-value, .rc-page .rc-big-label, .rc-page .rc-big-unit, .rc-page .rc-big-extra, .rc-page .rc-dp-alt dt, .rc-page .rc-dp-alt dd { color: #000 !important; }
  .rc-page .rc-work { display: block; }
}