/* ================================================================
   A. NZNM Tool Design System v1.0
   Shared brand exterior and common interaction components.
   ================================================================ */
:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  font-synthesis: none;
  line-height: 1.65;

  --nznm-brand-500: #008DE6;
  --nznm-brand-700: #075985;
  --nznm-brand-900: #0B3F61;
  --nznm-brand-soft: #EAF7FF;
  --nznm-brand-subtle: #F5FBFF;

  --nznm-page-bg: #EEF7FC;
  --nznm-surface: #FFFFFF;

  --nznm-text-primary: #172A36;
  --nznm-text-secondary: #526876;
  --nznm-text-heading: #0B3F61;
  --nznm-text-link: #075985;
  --nznm-text-on-dark: #FFFFFF;

  --nznm-border: #7899AA;
  --nznm-border-soft: rgba(7, 89, 133, 0.10);

  --nznm-info-text: #075985;
  --nznm-info-bg: #EAF7FF;
  --nznm-info-border: #9DDCFF;
  --nznm-success-text: #166534;
  --nznm-success-bg: #F0FDF4;
  --nznm-success-border: #86EFAC;
  --nznm-warning-text: #92400E;
  --nznm-warning-bg: #FFFBEB;
  --nznm-warning-border: #FCD34D;
  --nznm-error-text: #B42318;
  --nznm-error-bg: #FEF3F2;
  --nznm-error-border: #FDA29B;

  --nznm-radius-card: 16px;
  --nznm-radius-card-mobile: 12px;
  --nznm-radius-field: 8px;
  --nznm-shadow-card: 0 8px 26px rgba(17, 78, 114, 0.06);

  color: var(--nznm-text-primary);
  background: var(--nznm-page-bg);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--nznm-text-primary);
  background: linear-gradient(180deg, #F5FBFF 0%, #EEF7FC 100%);
}
main {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px;
}

h1, h2, h3, h4 { color: var(--nznm-text-heading); }
h1 {
  margin: 0.2em 0;
  font-size: clamp(1.9rem, 5vw, 3rem);
  line-height: 1.15;
  letter-spacing: -0.035em;
}
h2 { margin: 0 0 16px; font-size: 1.35rem; line-height: 1.35; }
h3 { margin: 0 0 10px; font-size: 1.05rem; }
p { margin-top: 0; }
a {
  color: var(--nznm-text-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}
a:hover { text-decoration-thickness: 2px; }
small, .help { color: var(--nznm-text-secondary); font-weight: 400; }
.help { margin: 10px 0 0; }
.eyebrow {
  color: var(--nznm-brand-700);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.nznm-header,
.nznm-card,
.nznm-footer {
  margin-bottom: 18px;
  border: 1px solid var(--nznm-border-soft);
  border-radius: var(--nznm-radius-card);
  background: var(--nznm-surface);
  box-shadow: var(--nznm-shadow-card);
}
.nznm-header {
  display: grid;
  gap: 24px;
  overflow: hidden;
  padding: clamp(24px, 4vw, 42px);
  border-top: 7px solid var(--nznm-brand-500);
  background: linear-gradient(135deg, #FFFFFF 0%, var(--nznm-brand-subtle) 100%);
}
.nznm-header__brand {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px 18px;
}
.nznm-logo-link { display: inline-flex; max-width: min(360px, 78vw); line-height: 0; }
.nznm-logo { display: block; width: min(360px, 78vw); height: auto; }
.nznm-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 11px;
  border: 1px solid var(--nznm-info-border);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}
.nznm-badge--unofficial { color: var(--nznm-info-text); background: var(--nznm-info-bg); }
.nznm-header__content .lead {
  max-width: 820px;
  margin: 14px 0 0;
  color: var(--nznm-text-secondary);
  font-size: clamp(1rem, 1.8vw, 1.16rem);
}

.nznm-card { padding: clamp(20px, 3.5vw, 32px); }
.nznm-card > h2,
#calculation-body > .nznm-card > h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--nznm-border-soft);
}

.nznm-form label {
  display: flex;
  flex-direction: column;
  min-width: 0;
  gap: 6px;
  color: var(--nznm-text-primary);
  font-weight: 700;
}
.nznm-form fieldset { min-width: 0; margin: 0; padding: 0; border: 0; }
.nznm-form legend {
  margin-bottom: 8px;
  color: var(--nznm-text-primary);
  font-weight: 800;
  line-height: 1.45;
}
input, select, button { font: inherit; }
.nznm-field {
  width: 100%;
  min-width: 0;
  min-height: 48px;
  padding: 11px 12px;
  border: 1px solid var(--nznm-border);
  border-radius: var(--nznm-radius-field);
  color: var(--nznm-text-primary);
  background: var(--nznm-surface);
  box-shadow: inset 0 1px 1px rgba(11, 63, 97, 0.025);
}
.nznm-field:hover { border-color: var(--nznm-brand-700); }
.nznm-field:disabled { cursor: not-allowed; }

.nznm-choice {
  display: block;
  min-width: 0;
  color: var(--nznm-text-primary);
  font-weight: 650;
  cursor: pointer;
}
.nznm-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}
.nznm-choice > span {
  position: relative;
  display: block;
  min-width: 0;
  min-height: 48px;
  padding: 11px 14px 11px 44px;
  border: 1px solid var(--nznm-border);
  border-radius: var(--nznm-radius-field);
  background: var(--nznm-surface);
  line-height: 1.45;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
}
.nznm-choice > span::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 15px;
  width: 17px;
  height: 17px;
  transform: translateY(-50%);
  border: 2px solid var(--nznm-border);
  border-radius: 50%;
  background: var(--nznm-surface);
}
.nznm-choice input:checked + span {
  border-color: var(--nznm-brand-500);
  background: var(--nznm-brand-soft);
  box-shadow: inset 0 0 0 1px var(--nznm-brand-500);
}
.nznm-choice input:checked + span::before { border: 5px solid var(--nznm-brand-500); }

.nznm-button {
  min-height: 44px;
  padding: 10px 15px;
  border-radius: var(--nznm-radius-field);
  font-weight: 800;
  cursor: pointer;
}
.nznm-button--primary {
  width: 100%;
  min-height: 58px;
  padding: 15px 20px;
  border: 0;
  color: var(--nznm-text-on-dark);
  background: linear-gradient(135deg, #0878BD, #075985);
  box-shadow: 0 10px 24px rgba(7, 89, 133, 0.24);
  font-size: clamp(1rem, 2vw, 1.12rem);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.nznm-button--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 13px 28px rgba(7, 89, 133, 0.29);
}

.nznm-note,
.nznm-status {
  border-radius: 10px;
  padding: 14px 16px;
}
.nznm-note--info,
.nznm-status--info {
  color: var(--nznm-info-text);
  border: 1px solid var(--nznm-info-border);
  background: var(--nznm-info-bg);
}
.nznm-status--success {
  color: var(--nznm-success-text);
  border: 1px solid var(--nznm-success-border);
  background: var(--nznm-success-bg);
}
.nznm-status--warning {
  color: var(--nznm-warning-text);
  border: 1px solid var(--nznm-warning-border);
  background: var(--nznm-warning-bg);
}
.nznm-status--error {
  color: var(--nznm-error-text);
  border: 1px solid var(--nznm-error-border);
  background: var(--nznm-error-bg);
}
.nznm-note p:last-child,
.nznm-status p:last-child { margin-bottom: 0; }

.nznm-footer {
  padding: 24px;
  border-top: 4px solid var(--nznm-info-border);
  color: var(--nznm-text-secondary);
  font-size: 0.91rem;
}
.nznm-footer__brand {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--nznm-border-soft);
}
.nznm-footer__brand strong { color: var(--nznm-text-heading); }
.nznm-footer__brand span { color: var(--nznm-text-secondary); font-size: 0.82rem; }
.nznm-footer p:last-child { margin-bottom: 0; }

.nznm-field:focus-visible,
.nznm-button:focus-visible,
.nznm-choice input:focus-visible + span,
a:focus-visible,
summary:focus-visible,
[tabindex="-1"]:focus {
  outline: 3px solid var(--nznm-brand-500);
  outline-offset: 2px;
}

@media (max-width: 920px) {
  main { padding: 20px; }
}
@media (max-width: 760px) {
  main { padding: 18px; }
  .nznm-button--primary { min-height: 56px; }
}
@media (max-width: 620px) {
  main { padding: 16px; }
  .nznm-header, .nznm-card, .nznm-footer { border-radius: var(--nznm-radius-card-mobile); }
  .nznm-header { gap: 20px; padding: 22px 16px; }
  .nznm-header__brand { align-items: center; flex-direction: row; flex-wrap: nowrap; gap: 8px; }
  .nznm-logo-link, .nznm-logo { width: min(240px, calc(100vw - 132px)); max-width: 100%; }
  .nznm-badge { flex: 0 0 auto; min-height: 28px; padding: 3px 8px; font-size: 0.72rem; }
  .nznm-card, .nznm-footer { padding: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* ================================================================
   B. NZ Super-specific UI
   Domain layouts and result structures. Visual values reference NZNM tokens.
   ================================================================ */
.basic-grid {
  display: grid;
  grid-template-columns: minmax(220px, 0.85fr) minmax(250px, 1fr) minmax(300px, 1.25fr);
  gap: 18px;
  align-items: start;
}
.basic-grid.basic-grid-two { grid-template-columns: minmax(220px, 0.72fr) minmax(420px, 1.55fr); gap: 26px; }
.nationality-note { margin-bottom: 18px; }
.two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.radio-group { display: flex; flex-wrap: wrap; gap: 9px; }
.choice-stack { display: grid; gap: 9px; }

.intro-note { margin-bottom: 18px; border-left: 5px solid var(--nznm-brand-500); background: var(--nznm-brand-subtle); }
.intro-note strong { display: block; margin-bottom: 4px; }
.info-box { margin-bottom: 16px; }
.info-box.compact { padding: 11px 14px; }

.gate-message {
  margin-top: 18px;
  padding: 13px 15px;
  border: 1px dashed var(--nznm-border);
  border-radius: 10px;
  color: var(--nznm-info-text);
  background: var(--nznm-brand-subtle);
}
.gate-message.pass { color: var(--nznm-success-text); border: 1px solid var(--nznm-success-border); background: var(--nznm-success-bg); }
.gate-message.caution { color: var(--nznm-warning-text); border: 1px solid var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.gate-message.stop { color: var(--nznm-error-text); border: 1px solid var(--nznm-error-border); background: var(--nznm-error-bg); }
.gate-message.stop p { margin: 5px 0 0; }

.section-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.section-head.minor { margin: 14px 0 4px; }
.section-head h2, .section-head h3 { margin-bottom: 0; }
.section-head button,
.row-actions button,
.remove {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--nznm-brand-700);
  border-radius: var(--nznm-radius-field);
  color: var(--nznm-brand-700);
  background: var(--nznm-surface);
  font-weight: 750;
  cursor: pointer;
  white-space: nowrap;
}
.section-head button:hover,
.row-actions button:hover,
.residence-add-action button:hover,
.absence-add-action button:hover { background: var(--nznm-brand-soft); }
.remove { border-color: var(--nznm-error-border); color: var(--nznm-error-text); }
.remove:hover { background: var(--nznm-error-bg); }
.row-actions { display: flex; justify-content: flex-end; margin-top: 12px; }

.period-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  gap: 14px;
  align-items: end;
  margin: 12px 0;
  padding: 18px;
  border: 1px solid var(--nznm-border-soft);
  border-radius: 12px;
  background: var(--nznm-surface);
  box-shadow: 0 3px 12px rgba(17, 78, 114, 0.035);
}
.period-row label { margin: 0; }
.period-row:first-child { border-top: 1px solid var(--nznm-border-soft); }

.conditional-panel {
  margin-top: 15px;
  padding: 16px;
  border: 1px solid var(--nznm-border-soft);
  border-radius: 12px;
  background: var(--nznm-brand-subtle);
}
.conditional-panel > .info-box.compact,
.conditional-panel > .help,
.conditional-panel > p.help { margin-bottom: 18px; }
.subsection fieldset + .conditional-panel { margin-top: 18px; }
.subsection { padding: 18px 0; border-top: 1px solid var(--nznm-border-soft); }
.subsection:first-of-type { padding-top: 0; border-top: 0; }
.submit-section { padding: 8px 0 4px !important; border: 0 !important; background: transparent !important; box-shadow: none !important; }

.result {
  padding: clamp(22px, 4vw, 36px);
  border-top: 7px solid var(--nznm-brand-500);
}
.result-alert { margin: 14px 0 18px; border-left-width: 5px; }
.answer-date {
  margin: 16px 0;
  padding: clamp(18px, 3vw, 25px);
  border: 1px solid var(--nznm-info-border);
  border-radius: 14px;
  background: var(--nznm-info-bg);
}
.answer-date span, .answer-date small { display: block; }
.answer-date span { color: var(--nznm-info-text); font-weight: 700; }
.answer-date strong {
  display: block;
  margin: 4px 0;
  color: var(--nznm-text-heading);
  font-size: clamp(1.55rem, 4vw, 2.35rem);
  line-height: 1.25;
}
.answer-date.no-date { border-color: var(--nznm-border-soft); background: #F8FAFC; }
.confidence { font-weight: 800; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cards div { min-width: 0; padding: 14px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; }
.cards span { display: block; color: var(--nznm-text-secondary); font-size: 0.85rem; }
.cards strong { display: block; font-size: 1.05rem; overflow-wrap: anywhere; }
details { margin-top: 18px; padding-top: 12px; border-top: 1px solid var(--nznm-border-soft); }
summary { cursor: pointer; font-weight: 750; }

.ssa-country-block {
  margin-top: 18px;
  padding: clamp(16px, 2.5vw, 22px);
  border: 1px solid var(--nznm-border-soft);
  border-radius: 12px;
  background: var(--nznm-surface);
  box-shadow: 0 3px 12px rgba(17, 78, 114, 0.035);
}
.ssa-country-block + .ssa-country-block { margin-top: 16px; }
.ssa-country-head { display: grid; grid-template-columns: minmax(240px, 1fr) auto; gap: 14px; align-items: end; max-width: 720px; margin-bottom: 16px; }
.ssa-country-help { margin-bottom: 22px; }
.ssa-period-area h3 { margin-bottom: 12px; }
.nested-fieldset { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--nznm-border-soft); }

.timeline-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-bottom: 22px; }
.timeline-cards > div { min-width: 0; padding: 14px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; background: var(--nznm-surface); }
.timeline-cards span, .timeline-cards small { display: block; }
.timeline-cards span { color: var(--nznm-text-secondary); font-size: 0.86rem; font-weight: 700; }
.timeline-cards strong { display: block; margin: 4px 0; font-size: 1.05rem; overflow-wrap: anywhere; }
.timeline-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.timeline-card.met { border-color: var(--nznm-success-border); background: var(--nznm-success-bg); }
.timeline-card.pending { border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.timeline-card.review { border-color: var(--nznm-info-border); background: var(--nznm-info-bg); }
.timeline-cards.three-conditions { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.requirement-table { overflow: hidden; margin-bottom: 10px; border: 1px solid var(--nznm-border-soft); border-radius: 12px; }
.requirement-row { display: grid; grid-template-columns: minmax(185px, 1.3fr) minmax(100px, 0.7fr) minmax(180px, 1.15fr) minmax(180px, 1.15fr); align-items: center; border-top: 1px solid var(--nznm-border-soft); }
.requirement-row:first-child { border-top: 0; }
.requirement-row > * { min-width: 0; padding: 13px 14px; overflow-wrap: anywhere; }
.requirement-row.header { color: var(--nznm-info-text); background: var(--nznm-brand-soft); font-size: 0.83rem; font-weight: 800; }
.requirement-row .shortfall { font-weight: 800; }
.requirement-row > span { font-variant-numeric: tabular-nums; }
.requirement-row .residence-count-detail small { display: block; margin-top: 4px; color: var(--nznm-text-secondary); font-size: 0.78rem; font-weight: 500; line-height: 1.45; }

.current-verdict { margin: 12px 0 18px; padding: 18px; border: 2px solid var(--nznm-border-soft); border-radius: 14px; background: #F8FAFC; }
.current-verdict > span { display: block; color: var(--nznm-text-secondary); font-size: 0.86rem; font-weight: 700; }
.current-verdict > strong { display: block; margin: 0 0 6px; font-size: clamp(1.35rem, 4vw, 2rem); line-height: 1.3; }
.current-verdict p { margin-bottom: 8px; }
.current-verdict ul { margin-bottom: 0; }
.current-verdict.met { border-color: var(--nznm-success-border); background: var(--nznm-success-bg); }
.current-verdict.review { border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.current-verdict.pending { border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }

.ruleset-basis { display: grid; gap: 4px; margin: 16px 0; padding: 14px 16px; border: 1px solid var(--nznm-info-border); border-radius: 12px; background: var(--nznm-brand-subtle); }
.ruleset-basis strong { color: var(--nznm-text-heading); }
.ruleset-basis span, .ruleset-basis small { display: block; }
.confidence-panel { margin: 16px 0 22px; padding: 16px; border: 1px solid var(--nznm-border-soft); border-radius: 12px; background: #F8FAFC; }
.confidence-panel > div { display: grid; gap: 2px; }
.confidence-panel > div span { color: var(--nznm-text-secondary); font-size: 0.88rem; }
.confidence-panel ul { margin-bottom: 8px; }
.confidence-panel.low { border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.confidence-panel.medium { border-color: var(--nznm-info-border); background: var(--nznm-info-bg); }
.confidence-panel.high { border-color: var(--nznm-success-border); background: var(--nznm-success-bg); }

.status-badge { display: inline-flex; align-items: center; justify-content: center; width: fit-content; padding: 3px 9px; border: 1px solid; border-radius: 999px; font-size: 0.75rem; font-weight: 800; white-space: nowrap; }
.status-badge.met { color: var(--nznm-success-text); border-color: var(--nznm-success-border); background: var(--nznm-success-bg); }
.status-badge.pending, .status-badge.review { color: var(--nznm-warning-text); border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.status-badge.neutral { color: var(--nznm-text-secondary); border-color: var(--nznm-border); background: #F8FAFC; }

.criteria-list { display: grid; gap: 10px; margin: 0 0 24px; padding: 0; list-style: none; }
.criteria-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 12px; align-items: start; padding: 13px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; }
.criteria-list strong, .criteria-list span { display: block; }
.criteria-list li > div > span { margin-top: 2px; color: var(--nznm-text-secondary); font-size: 0.9rem; }

.calculation-method, .application-section, .resource-section { margin: 18px 0; padding: 16px; border: 1px solid var(--nznm-border-soft); border-radius: 12px; background: var(--nznm-brand-subtle); }
.calculation-method p:last-child, .application-section p:last-child, .resource-section p:last-child { margin-bottom: 0; }
.application-section ol { padding-left: 1.3rem; }
.application-section li { margin-bottom: 8px; }
.calculation-method h3 { margin-bottom: 14px; }
.calculation-method h4, .application-section h4, .manual-review h4, .input-confirmation-section h3 { margin: 18px 0 8px; color: var(--nznm-text-heading); }
.calculation-method h4:first-of-type, .application-section h4:first-of-type, .manual-review h4:first-of-type { margin-top: 0; }
.application-section h4 { padding-top: 12px; border-top: 1px solid var(--nznm-border-soft); }
.application-section h4:first-of-type { padding-top: 0; border-top: 0; }

.resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.resource-grid a { display: block; padding: 12px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; background: var(--nznm-surface); text-decoration: none; }
.resource-grid a:hover { border-color: var(--nznm-brand-500); background: var(--nznm-brand-subtle); }
.resource-grid strong, .resource-grid span { display: block; }
.resource-grid span { margin-top: 3px; color: var(--nznm-text-secondary); font-size: 0.85rem; }
#manual-review-details, #official-resources { scroll-margin-top: 18px; }

.readiness-list { display: grid; gap: 8px; margin: 14px 0 12px; padding: 0; list-style: none; }
.readiness-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 10px; align-items: start; padding: 11px 12px; border: 1px solid var(--nznm-border-soft); border-radius: 9px; background: var(--nznm-surface); }
.readiness-list li > strong { grid-row: 1 / span 2; padding: 2px 9px; border-radius: 999px; font-size: 0.76rem; white-space: nowrap; }
.readiness-list li > span, .readiness-list li > small { display: block; }
.readiness-list li > span { font-weight: 750; }
.readiness-list li > small { grid-column: 2; color: var(--nznm-text-secondary); }
.readiness-list li.met > strong { color: var(--nznm-success-text); border: 1px solid var(--nznm-success-border); background: var(--nznm-success-bg); }
.readiness-list li.pending > strong { color: var(--nznm-warning-text); border: 1px solid var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.verdict-note { display: block; padding-top: 10px; border-top: 1px solid var(--nznm-border-soft); color: var(--nznm-text-secondary); }
.age50-reference { display: grid; gap: 2px; margin: -8px 0 22px; padding: 11px 13px; border-left: 4px solid var(--nznm-border); color: var(--nznm-text-secondary); background: #F8FAFC; }
.age50-reference span { font-size: 0.88rem; }

.period-row.residence-row,
.period-row.realm-row,
.period-row.ssa-row { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; column-gap: 18px; row-gap: 14px; }
.period-row.residence-row { grid-template-areas: "start end" "evidence evidence" "validation validation" ". remove"; }
.period-row.residence-row > label:nth-child(1) { grid-area: start; }
.period-row.residence-row > label:nth-child(2) { grid-area: end; }
.period-row.residence-row > .residence-evidence { grid-area: evidence; }
.period-row.residence-row > .residence-live-message { grid-area: validation; }
.period-row.residence-row > .remove { grid-area: remove; }
.period-row.realm-row { grid-template-areas: "country start" "end remove"; }
.period-row.realm-row > label:nth-child(1) { grid-area: country; }
.period-row.realm-row > label:nth-child(2) { grid-area: start; }
.period-row.realm-row > label:nth-child(3) { grid-area: end; }
.period-row.realm-row > .remove { grid-area: remove; }
.period-row.ssa-row { grid-template-areas: "type start" "end remove"; }
.period-row.ssa-row > label:nth-child(1) { grid-area: type; }
.period-row.ssa-row > label:nth-child(2) { grid-area: start; }
.period-row.ssa-row > label:nth-child(3) { grid-area: end; }
.period-row.ssa-row > .remove { grid-area: remove; }
.period-row.residence-row > .remove, .period-row.realm-row > .remove, .period-row.ssa-row > .remove { justify-self: end; align-self: end; min-width: 88px; }

#realm-panel, #ssa-panel, #absence-approx-panel, #absence-exact-panel { padding: 20px; }
#realm-panel > .info-box, #ssa-panel > .info-box, .ssa-country-help { margin-bottom: 22px; }
#realm-panel > h3, .ssa-period-area > h3 { margin-bottom: 12px; }
#approx-approved-feedback { margin-top: 16px; margin-bottom: 20px; }
#absence-approx-panel > p.help:last-child { margin-top: 18px; margin-bottom: 0; }
input[type="date"], input[type="number"], input[type="text"], input[type="email"], input[type="tel"] { font-variant-numeric: tabular-nums; }

.ssa-entry-warning { margin-bottom: 18px; padding: 16px; border: 1px solid var(--nznm-warning-border); border-left: 6px solid var(--nznm-warning-border); border-radius: 12px; color: var(--nznm-warning-text); background: var(--nznm-warning-bg); }
.ssa-entry-warning h3 { margin: 0 0 8px; color: var(--nznm-warning-text); }
.ssa-entry-warning p:last-child { margin-bottom: 0; }

.source-version-details { margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--nznm-border-soft); }
.source-version-details summary { color: var(--nznm-text-link); font-weight: 700; cursor: pointer; }
.source-version-details p { margin: 8px 0 0; color: var(--nznm-text-secondary); font-size: 0.84rem; }
.source-version-details .source-version-meta { margin: 12px 0; }
.source-version-details .source-version-meta p { margin: 5px 0; }
.source-version-details .resource-grid { margin-top: 12px; }

.residence-guidance h3 { margin: 22px 0 8px; padding-top: 17px; border-top: 1px solid var(--nznm-border-soft); color: var(--nznm-text-heading); }
.residence-guidance h3:first-of-type { margin-top: 20px; }
.residence-evidence { min-width: 0; margin: 0; padding: 0; }
.residence-evidence > legend { margin-bottom: 9px; }
.residence-evidence-choices { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.evidence-card > span { height: 100%; }
.evidence-card strong, .evidence-card small { display: block; }
.evidence-card strong { line-height: 1.45; }
.evidence-card small { margin-top: 4px; color: var(--nznm-text-secondary); font-weight: 400; }

input[aria-invalid="true"], .nznm-field[aria-invalid="true"] { border-color: var(--nznm-error-text); background: var(--nznm-error-bg); box-shadow: 0 0 0 1px rgba(180, 35, 24, 0.12); }
.inline-validation { padding: 12px 14px; border: 1px solid var(--nznm-error-border); border-left: 5px solid var(--nznm-error-text); border-radius: 10px; color: var(--nznm-error-text); background: var(--nznm-error-bg); }
.inline-validation strong { display: block; margin-bottom: 4px; }
.inline-validation ul { margin: 0; padding-left: 1.25rem; }
.inline-validation li + li { margin-top: 4px; }
.inline-validation.warning { color: var(--nznm-warning-text); border-color: var(--nznm-warning-border); border-left-color: var(--nznm-warning-text); background: var(--nznm-warning-bg); }
.period-row.residence-row.has-live-error { margin-top: 8px; margin-bottom: 8px; border-color: var(--nznm-error-border); background: var(--nznm-error-bg); }
.period-row.residence-row.has-live-warning { margin-top: 8px; margin-bottom: 8px; border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }

.residence-add-action, .absence-add-action { display: block; margin-top: 14px; }
.residence-add-action button, .absence-add-action button { width: 100%; min-height: 48px; padding: 12px 18px; border: 2px dashed var(--nznm-brand-700); border-radius: var(--nznm-radius-field); color: var(--nznm-brand-700); background: var(--nznm-brand-subtle); font-size: 1rem; font-weight: 750; cursor: pointer; }
.residence-add-action button:hover, .absence-add-action button:hover { border-style: solid; }

.period-row.absence-row { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "start end" "category category" "special special" ". remove"; align-items: start; column-gap: 18px; row-gap: 14px; }
.period-row.absence-row > .absence-start { grid-area: start; }
.period-row.absence-row > .absence-end { grid-area: end; }
.period-row.absence-row > .absence-category { grid-area: category; }
.period-row.absence-row > .absence-special-panel { grid-area: special; }
.period-row.absence-row > .remove { grid-area: remove; justify-self: end; min-width: 88px; }
.period-row.absence-row label small { margin-top: 6px; }

.absence-special-panel { display: grid; min-width: 0; gap: 14px; padding: 16px; border: 1px solid var(--nznm-border-soft); border-radius: 12px; background: var(--nznm-brand-subtle); }
.absence-special-panel > * { min-width: 0; }
.absence-special-panel select { width: 100%; min-width: 0; }
.absence-reason-detail, .absence-reason-detail p { margin: 0; }
.absence-evidence { min-width: 0; margin: 0; padding: 0; border: 0; }
.absence-evidence legend { margin-bottom: 8px; color: var(--nznm-text-primary); font-weight: 750; }
.absence-evidence-choices { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.absence-evidence-choices .nznm-choice, .absence-evidence-choices .nznm-choice > span { min-width: 0; }
.absence-evidence > small { display: block; margin-top: 8px; color: var(--nznm-text-secondary); }
.absence-treatment-feedback { padding: 12px 14px; border: 1px solid var(--nznm-warning-border); border-left: 5px solid var(--nznm-warning-text); border-radius: 10px; color: var(--nznm-warning-text); background: var(--nznm-warning-bg); }
.absence-treatment-feedback.available { color: var(--nznm-success-text); border-color: var(--nznm-success-border); border-left-color: var(--nznm-success-text); background: var(--nznm-success-bg); }
.absence-treatment-feedback.excluded { color: var(--nznm-text-secondary); border-color: var(--nznm-border); border-left-color: var(--nznm-border); background: #F8FAFC; }
.absence-treatment-feedback p { margin: 0; }
.absence-treatment-feedback strong, .absence-treatment-feedback span { display: block; }
.absence-treatment-feedback span { margin-top: 4px; }

.special-absence-summary { margin: 18px 0; padding: 18px; border: 1px solid var(--nznm-border-soft); border-radius: 14px; background: var(--nznm-brand-subtle); }
.special-absence-summary-head strong, .special-absence-summary-head span { display: block; }
.special-absence-summary-head span { margin-top: 4px; color: var(--nznm-text-secondary); font-size: 0.9rem; }
.special-absence-summary-grid { overflow: hidden; margin-top: 14px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; background: var(--nznm-surface); }
.special-absence-summary-row { display: grid; grid-template-columns: minmax(150px, 1.2fr) minmax(90px, 0.7fr) minmax(90px, 0.7fr) minmax(180px, 1.4fr); align-items: center; }
.special-absence-summary-row > * { min-width: 0; padding: 10px 12px; }
.special-absence-summary-row + .special-absence-summary-row { border-top: 1px solid var(--nznm-border-soft); }
.special-absence-summary-row.header { color: var(--nznm-info-text); background: var(--nznm-brand-soft); font-size: 0.84rem; font-weight: 700; }
.special-absence-summary-row.provisional strong { color: var(--nznm-success-text); }
.special-absence-summary-row.excluded strong { color: var(--nznm-text-secondary); }
.special-absence-summary > small { display: block; margin-top: 10px; color: var(--nznm-text-secondary); }

.result-meta-row { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 4px; }
.result-meta-row .eyebrow, .result-assessment-date { margin: 0; }
.result-assessment-date { color: var(--nznm-text-secondary); font-size: 0.86rem; font-weight: 700; white-space: nowrap; }
.answer-date-review-note { margin: 12px 0 0; padding-top: 10px; border-top: 1px solid var(--nznm-border-soft); color: var(--nznm-text-secondary); font-size: 0.91rem; }
.answer-date-review-note a { font-weight: 750; }

.manual-review { margin: 18px 0; padding: 14px 16px; border: 1px solid var(--nznm-warning-border); border-radius: 14px; color: var(--nznm-warning-text); background: var(--nznm-warning-bg); }
.manual-review-item { margin: 14px 0; padding: 14px; border: 1px solid var(--nznm-warning-border); border-radius: 10px; background: rgba(255, 255, 255, 0.72); box-shadow: none; }
.manual-review-item h4 { margin-top: 0; }
.manual-review-period { margin: 10px 0; padding: 11px 12px; border-left: 4px solid var(--nznm-warning-border); border-radius: 8px; background: #FFFDF7; }
.manual-review-period p:last-child, .manual-review-condition, .manual-review-period-total { margin-bottom: 0; }
.manual-review-period-range { margin-bottom: 5px; font-variant-numeric: tabular-nums; }
.manual-review-condition { color: var(--nznm-text-secondary); font-size: 0.92rem; }
.manual-review-period-total { margin-top: 8px; }
.manual-review-other { margin: 14px 0; }
.contact-guidance { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--nznm-warning-border); }
.contact-guidance h4 { margin-top: 0; }
.payment-start-copy p:last-child { margin-bottom: 0; }

.input-confirmation-section { margin: 18px 0; padding: 16px; border: 1px solid var(--nznm-border-soft); border-radius: 14px; background: var(--nznm-brand-subtle); }
.input-confirmation-section h3 { margin-top: 0; }
.input-confirmation-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.input-confirmation-list li { display: grid; grid-template-columns: minmax(170px, 0.75fr) minmax(0, 1.75fr); gap: 12px; padding: 11px 12px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; background: var(--nznm-surface); }
.input-confirmation-list strong, .input-confirmation-list span { min-width: 0; }

.under20-verdict p:last-child, .under20-explanation p:last-child, .under20-follow-up p:last-child, .under20-status-warning p:last-child { margin-bottom: 0; }
.under20-answer-date { margin-top: 16px; }
.under20-explanation { margin-top: 18px; padding: 18px; border: 1px solid var(--nznm-border-soft); border-radius: 14px; background: var(--nznm-brand-subtle); }
.under20-reference-dates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 16px 0; }
.under20-reference-dates > div { min-width: 0; padding: 16px; border: 1px solid var(--nznm-border-soft); border-radius: 13px; background: var(--nznm-brand-subtle); }
.under20-reference-dates span, .under20-reference-dates small { display: block; }
.under20-reference-dates span { color: var(--nznm-text-secondary); font-size: 0.86rem; font-weight: 700; }
.under20-reference-dates strong { display: block; margin: 4px 0; color: var(--nznm-text-heading); font-size: clamp(1.2rem, 3vw, 1.65rem); line-height: 1.3; }
.under20-status-warning { margin-bottom: 18px; }

.approx-special-status-choices { margin-top: 12px; }
.approx-special-detail { margin-top: 18px; padding: 18px; border-left: 5px solid var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.approx-special-detail > .nested-fieldset:first-child { margin-top: 0; }
.compact-panel { margin: 14px 0 18px; padding: 14px; background: var(--nznm-surface); }
.approx-special-reason { display: block; margin-top: 18px; }
#approx-special-reason-detail { margin-top: 12px; }
.approx-special-evidence { margin-top: 18px; }
.approx-special-evidence > small { display: block; margin-top: 10px; color: var(--nznm-text-secondary); line-height: 1.6; }
.answer-date.no-date strong { max-width: 980px; font-size: clamp(1.35rem, 3vw, 2rem); }
.answer-date-no-date-explanation { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--nznm-border-soft); color: var(--nznm-text-secondary); line-height: 1.75; }
.answer-date-no-date-explanation p { margin: 0; }
.answer-date-no-date-explanation p + p { margin-top: 10px; }
label.is-auto-disabled { opacity: 0.72; }
label.is-auto-disabled input:disabled { color: var(--nznm-text-secondary); border-color: var(--nznm-border); background: #F1F5F9; cursor: not-allowed; }
label.is-auto-disabled small { color: var(--nznm-text-secondary); font-weight: 700; }

.day-pair-grid { align-items: stretch; }
.day-pair-grid > label { justify-content: flex-end; }
.day-pair-help, .day-pair-status, .day-pair-error { grid-column: 1 / -1; }
.day-pair-help { margin: 0; }
.day-pair-status, .day-pair-error { display: block; margin-top: -8px; }
.day-pair-error { color: var(--nznm-error-text); font-weight: 700; }
.dob-entry, .date-entry { font-variant-numeric: tabular-nums; letter-spacing: 0.06em; }
.dob-entry::placeholder, .date-entry::placeholder { color: var(--nznm-text-secondary); letter-spacing: 0.04em; }

.preview-banner { position: sticky; top: 0; z-index: 1000; display: flex; gap: .75rem; align-items: center; justify-content: center; flex-wrap: wrap; padding: .65rem 1rem; border-bottom: 2px solid currentColor; color: var(--nznm-warning-text); background: var(--nznm-warning-bg); font-size: .9rem; }
.preview-banner strong { letter-spacing: .04em; }

.payment-situation-section .help { max-width: 860px; }
.payment-rate-panel { margin: 24px 0; padding: clamp(18px, 3vw, 26px); border: 1px solid var(--nznm-info-border); border-radius: 16px; background: var(--nznm-info-bg); }
.payment-rate-panel h3 { margin-top: 0; }
.payment-rate-grid { display: grid; gap: 14px; margin: 14px 0; }
.payment-rate-grid.multiple { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.payment-rate-grid.single { grid-template-columns: minmax(0, 520px); }
.payment-rate-card { display: grid; gap: 4px; padding: 18px; border: 1px solid var(--nznm-info-border); border-radius: 14px; background: var(--nznm-surface); }
.payment-rate-label { font-weight: 700; }
.payment-rate-amount { margin-top: 6px; color: var(--nznm-text-heading); font-size: clamp(1.8rem, 4vw, 2.45rem); line-height: 1.05; letter-spacing: -0.035em; }
.payment-rate-frequency { color: var(--nznm-text-secondary); font-weight: 700; }
.payment-rate-card small { margin-top: 8px; color: var(--nznm-text-secondary); line-height: 1.5; }
.payment-rate-note { margin: 12px 0 6px; }
.payment-rate-panel.stale { border-color: var(--nznm-warning-border); background: var(--nznm-warning-bg); }
.payment-rate-panel.stale .result-alert strong { display: block; margin-bottom: 0.35rem; }

.eligibility-monitor-banner { display: flex; flex-direction: column; gap: 2px; margin-bottom: 18px; }
.eligibility-monitor-banner strong { font-size: 1rem; }
.result-alert.eligibility-blocked { border-left-color: var(--nznm-error-text); }

.footer-brand { /* semantic hook retained; visuals live in .nznm-footer__brand */ }
.usage-privacy-note { margin: 14px 0 0; padding: 12px 14px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; color: var(--nznm-text-secondary); background: var(--nznm-brand-subtle); font-size: 0.82rem; }

@media (max-width: 920px) {
  .basic-grid { grid-template-columns: 1fr; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timeline-cards.three-conditions { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .basic-grid.basic-grid-two, .two-col { grid-template-columns: 1fr; }
  .period-row, .period-row.residence-row, .period-row.realm-row, .period-row.ssa-row, .period-row.absence-row { grid-template-columns: 1fr; }
  .period-row.residence-row { grid-template-areas: "start" "end" "evidence" "validation" "remove"; }
  .period-row.realm-row { grid-template-areas: "country" "start" "end" "remove"; }
  .period-row.ssa-row { grid-template-areas: "type" "start" "end" "remove"; }
  .period-row.absence-row { grid-template-areas: "start" "end" "category" "special" "remove"; }
  .period-row.residence-row > .remove, .period-row.realm-row > .remove, .period-row.ssa-row > .remove, .period-row.absence-row > .remove { justify-self: stretch; width: 100%; }
  #realm-panel, #ssa-panel, #absence-approx-panel, #absence-exact-panel { padding: 16px; }
  .residence-evidence-choices, .absence-evidence-choices { grid-template-columns: 1fr; }
  .row-actions button { width: 100%; }
  .timeline-cards, .resource-grid, .payment-rate-grid.multiple { grid-template-columns: 1fr; }
  .timeline-card-head { flex-direction: column; }
  .requirement-row.header {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }
  .requirement-row { grid-template-columns: 1fr 1fr; padding: 8px 0; }
  .requirement-row > * { padding: 8px 12px; }
  .requirement-row > strong { grid-column: 1 / -1; background: var(--nznm-brand-subtle); }
  .requirement-row > span:nth-child(2)::before { content: "必要年数："; display: block; color: var(--nznm-text-secondary); font-size: 0.78rem; font-weight: 700; }
  .requirement-row > span:nth-child(3)::before { content: "試算上の居住期間："; display: block; color: var(--nznm-text-secondary); font-size: 0.78rem; font-weight: 700; }
  .requirement-row > span:nth-child(4) { grid-column: 1 / -1; }
  .requirement-row > span:nth-child(4)::before { content: "不足期間："; margin-right: 5px; color: var(--nznm-text-secondary); font-size: 0.78rem; font-weight: 700; }
  .input-confirmation-list li { grid-template-columns: 1fr; gap: 3px; }
  .day-pair-grid { grid-template-columns: 1fr; }
  .day-pair-grid > label { justify-content: flex-start; }
  .special-absence-summary-grid { border: 0; background: transparent; }
  .special-absence-summary-row.header {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }
  .special-absence-summary-row { grid-template-columns: 1fr; gap: 2px; padding: 12px; border: 1px solid var(--nznm-border-soft); border-radius: 10px; background: var(--nznm-surface); }
  .special-absence-summary-row + .special-absence-summary-row { margin-top: 10px; border-top: 1px solid var(--nznm-border-soft); }
  .special-absence-summary-row > * { padding: 2px 0; }
  .special-absence-summary-row > span:nth-child(2)::before { content: "20歳以降："; font-weight: 700; }
  .special-absence-summary-row > span:nth-child(3)::before { content: "50歳以降："; font-weight: 700; }
}

@media (max-width: 620px) {
  .section-head { align-items: stretch; flex-direction: column; }
  .section-head button { width: 100%; }
  .radio-group { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cards { grid-template-columns: 1fr; }
  .ssa-country-head { grid-template-columns: 1fr; }
  .ssa-country-head .remove { width: 100%; }
  .readiness-list li { grid-template-columns: 1fr; }
  .readiness-list li > strong { grid-row: auto; width: fit-content; }
  .readiness-list li > small { grid-column: 1; }
  .result-meta-row { align-items: flex-start; flex-direction: column; gap: 2px; }
  .result-assessment-date { white-space: normal; }
  .under20-reference-dates { grid-template-columns: 1fr; }
  .preview-banner { align-items: flex-start; justify-content: flex-start; }
}