.simulator-page { background: var(--paper); }
.simulator-page [hidden] { display: none !important; }
.simulator-page button, .simulator-page input, .simulator-page select { font: inherit; }
.back-link { color: var(--muted); font-size: 13px; text-decoration: none; }
.back-link:hover { color: var(--accent-dark); }
.simulator-main { padding-bottom: 12px; }
.intro { padding: 50px 0 36px; }
.intro .eyebrow { margin: 0 0 18px; }
.intro h1 { margin: 0; font-size: clamp(32px, 4.3vw, 52px); line-height: 1.24; letter-spacing: -.045em; font-weight: 750; }
.intro-text { margin: 16px 0 20px; color: var(--muted); font-size: 16px; }
.intro-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--muted); font-size: 11px; }
.intro-meta span:first-child { color: var(--accent-dark); font-weight: 700; }
.workspace { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .94fr); gap: 28px; align-items: start; }
.parameter-panel, .result-panel, .chart-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-width: 0; }
.panel-heading, .result-header, .chart-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.panel-heading h2, .result-header h2, .chart-heading h2 { font-size: 18px; letter-spacing: -.02em; margin: 0; }
.text-button { border: 0; background: transparent; padding: 7px 0 7px 10px; color: var(--accent-dark); font-size: 12px !important; cursor: pointer; white-space: nowrap; }
.text-button:hover { text-decoration: underline; }
.helper, .source-note, .save-status { color: var(--muted); font-size: 11px; line-height: 1.8; }
.panel-note { margin: 8px 0 22px; }
.input-section { border-top: 1px solid var(--line); padding: 22px 0 12px; }
.input-section:last-of-type { padding-bottom: 0; }
.input-section h3 { display: flex; align-items: center; gap: 9px; font-size: 14px; margin: 0 0 18px; }
.step-number { font-family: ui-monospace, Consolas, monospace; color: var(--accent-dark); font-size: 11px; font-weight: 500; }
.field-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.field label, .city-label { display: block; font-size: 12px; font-weight: 650; margin-bottom: 7px; }
.input-wrap { position: relative; }
.field input { width: 100%; height: 44px; border: 1px solid #c8c6bd; border-radius: 7px; background: #fff; color: var(--ink); padding: 8px 66px 8px 12px; font-size: 16px; font-variant-numeric: tabular-nums; appearance: textfield; -moz-appearance: textfield; }
.field input::-webkit-inner-spin-button, .field input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.field input:hover, select:hover { border-color: var(--muted); }
.field input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
.field input[aria-invalid="true"] { border-color: var(--accent-dark); background: #fff6f3; }
.input-unit { position: absolute; right: 11px; top: 12px; color: var(--muted); font-size: 11px; pointer-events: none; }
.field-error { display: block; margin-top: 5px; font-size: 11px; color: var(--accent-dark); }
.range-control { margin: 18px 0; }
.range-control label { color: var(--muted); font-size: 11px; }
input[type="range"] { display: block; width: 100%; accent-color: var(--accent); cursor: pointer; margin: 8px 0; min-height: 24px; }
.range-labels { display: flex; justify-content: space-between; font-size: 10px; color: var(--muted); }
.subsection { margin: 17px 0 0; padding: 14px 0 0; border-top: 1px dashed var(--line); }
.subsection summary { font-size: 12px; font-weight: 650; cursor: pointer; margin-bottom: 14px; }
.subsection:not([open]) summary { margin-bottom: 0; }
select { width: 100%; border: 1px solid #c8c6bd; background: #fff; color: var(--ink); padding: 11px 9px; border-radius: 7px; font-size: 12px !important; }
.source-note { border-left: 2px solid var(--accent); padding-left: 10px; margin-top: 18px; }
.source-note a, .method-content a { color: var(--accent-dark); text-underline-offset: 3px; }
.save-status { margin: 24px 0 0; padding-top: 15px; border-top: 1px dashed var(--line); }
.result-column { min-width: 0; }
.result-panel { border-top: 4px solid var(--green); padding-top: 25px; }
.state-badge { padding: 3px 8px; background: #e6ece6; color: var(--green); border-radius: 5px; font-size: 10px; white-space: nowrap; }
.state-badge.loss { background: var(--accent-soft); color: var(--accent-dark); }
.metric-caption { margin: 25px 0 6px; color: var(--muted); font-size: 12px; }
.metric-caption span { font-size: 10px; margin-left: 5px; }
.profit-value { font-size: clamp(38px, 4vw, 56px); color: var(--green); line-height: 1.2; font-weight: 750; letter-spacing: -.045em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.profit-value.loss, .negative { color: var(--accent-dark) !important; }
.profit-description { min-height: 38px; color: var(--muted); font-size: 12px; margin: 11px 0 22px; }
.input-error { padding: 10px 12px; border-radius: 7px; background: var(--accent-soft); color: var(--accent-dark); font-size: 12px; }
.summary-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px 12px; padding: 22px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.summary-grid span { display: block; color: var(--muted); font-size: 11px; margin-bottom: 5px; }
.summary-grid strong { font-size: 21px; font-weight: 650; letter-spacing: -.03em; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.funding-row { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; font-size: 12px; }
.funding-row strong { color: var(--ink); font-size: 17px; font-variant-numeric: tabular-nums; }
.funding-row + .helper { margin: 4px 0 0; }
.cost-section { margin-top: 25px; }
.cost-section h3 { font-size: 13px; margin: 0 0 15px; }
.cost-bar { display: flex; gap: 2px; height: 9px; overflow: hidden; border-radius: 3px; background: var(--paper); }
.cost-segment { height: 100%; min-width: 0; }
.cost-list { margin: 18px 0 0; }
.cost-row { display: flex; justify-content: space-between; gap: 10px; font-size: 12px; padding: 7px 0; }
.cost-row dt { color: var(--muted); }
.cost-row dd { margin: 0; font-variant-numeric: tabular-nums; }
.cost-dot { display: inline-block; width: 7px; height: 7px; border-radius: 2px; margin-right: 7px; }
.total-line { display: flex; justify-content: space-between; border-top: 1px dashed var(--line); margin-top: 9px; padding-top: 13px; font-size: 12px; }
.export-button { width: 100%; margin-top: 23px; cursor: pointer; }
.export-button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.chart-panel { margin-top: 22px; }
.chart-heading { align-items: flex-start; }
.chart-heading h2 { font-size: 15px; }
.chart-heading > span { color: var(--muted); font-size: 10px; padding-top: 3px; white-space: nowrap; }
#profit-chart { display: block; width: 100%; height: auto; margin-top: 16px; overflow: visible; }
#profit-chart text { font-family: inherit; fill: var(--muted); font-size: 10px; }
#profit-chart .axis-label { font-size: 9px; }
.chart-legend { display: flex; justify-content: center; gap: 20px; color: var(--muted); font-size: 10px; margin: 0 0 22px; }
.chart-legend span { display: inline-flex; align-items: center; gap: 5px; }
.line-key { width: 15px; height: 2px; background: var(--green); }
.point-key { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; }
.table-wrap { overflow-x: auto; }
.scenario-table { width: 100%; border-collapse: collapse; text-align: right; font-size: 12px; white-space: nowrap; }
.scenario-table th { color: var(--muted); font-weight: 500; font-size: 10px; padding: 10px 4px; border-bottom: 1px solid var(--line); }
.scenario-table th:first-child, .scenario-table td:first-child { text-align: left; padding-left: 0; }
.scenario-table td { padding: 13px 4px; font-variant-numeric: tabular-nums; }
.scenario-table tr.current { color: var(--green); font-weight: 700; background: #eef0e8; }
.method-panel { margin-top: 32px; padding: 20px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.method-panel summary { cursor: pointer; font-size: 13px; font-weight: 650; }
.method-content { max-width: 850px; font-size: 12px; color: var(--muted); line-height: 1.9; padding-top: 10px; }
.method-content strong { color: var(--ink); }
.simulator-page .site-footer { margin-top: 40px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
.notice { padding: 16px; background: var(--accent-soft); }
.mobile-summary { display: none; }
.edit-plan { display: none; }
#parameters { scroll-margin-top: 88px; }
#result-heading { scroll-margin-top: 100px; }
@media (min-width: 861px) and (min-height: 1150px) { .result-column { position: sticky; top: 96px; } }
@media (max-width: 860px) {
  .workspace { grid-template-columns: 1fr; gap: 22px; }
  .intro { padding-top: 36px; }
  .result-column { display: contents; }
  .result-panel { grid-row: 1; }
  .chart-panel { margin-top: 0; }
  .parameter-panel { grid-row: 2; }
  .profit-description { min-height: 0; }
  .mobile-summary { display: flex; align-items: center; justify-content: space-between; gap: 10px; position: fixed; bottom: 0; left: 0; right: 0; z-index: 25; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: var(--surface); border-top: 1px solid var(--line); text-decoration: none; font-size: 11px; box-shadow: 0 -3px 16px #443e2c0a; }
  .mobile-summary strong { font-size: 19px; color: var(--green); font-variant-numeric: tabular-nums; }
  .simulator-page { padding-bottom: 65px; }
  .edit-plan { display: inline-flex; margin-top: 20px; font-size: 12px; min-height: 40px; }
}
@media (max-width: 560px) {
  .intro h1 { font-size: 33px; }
  .intro-text { font-size: 14px; }
  .intro-meta { gap: 6px 14px; }
  .parameter-panel, .result-panel, .chart-panel { padding: 22px 18px; }
  .result-panel { padding-top: 20px; }
  .field-grid { gap: 14px 12px; }
  .field label { font-size: 11px; }
  .field input { padding-left: 10px; padding-right: 60px; font-size: 16px; }
  .input-unit { right: 8px; font-size: 10px; }
  .summary-grid strong { font-size: 20px; }
  .chart-heading { flex-direction: column; gap: 0; }
  .metric-caption span { display: block; margin-left: 0; }
}
@media print {
  .site-header, .parameter-panel, .export-button, .site-footer, .mobile-summary { display: none; }
  .workspace { display: block; }
  .result-column { display: block; position: static; }
  .result-panel, .chart-panel { break-inside: avoid; }
}