/* ============================================================
   住宅ローン試算 — 数字が主役。装飾は数字を読ませるためだけに置く。
   ============================================================ */

:root {
  color-scheme: light dark;

  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --ink: #0f1319;
  --muted: #5c6472;
  --faint: #8b93a1;
  --line: #e1e5ea;
  --line-strong: #cdd3db;

  --accent: #1b45c9;
  --accent-ink: #ffffff;
  --warm: #d4761b;
  --warn: #c02a20;
  --ok: #0f7350;

  --radius: 14px;
  --radius-lg: 20px;
  --shadow: 0 1px 2px rgb(15 19 25 / 0.05), 0 8px 24px -12px rgb(15 19 25 / 0.18);

  --num: "SF Mono", "Menlo", "Consolas", ui-monospace, monospace;
  --font: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Yu Gothic", "Noto Sans JP", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0b0d11;
    --surface: #14181f;
    --surface-2: #1b212a;
    --ink: #eef1f6;
    --muted: #98a1b0;
    --faint: #6d7686;
    --line: #242a34;
    --line-strong: #333b48;

    --accent: #6d97ff;
    --accent-ink: #08101f;
    --warm: #e9a64a;
    --warn: #ff7266;
    --ok: #3fbd90;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 10px 30px -14px rgb(0 0 0 / 0.7);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
    --bg: #0b0d11;
    --surface: #14181f;
    --surface-2: #1b212a;
    --ink: #eef1f6;
    --muted: #98a1b0;
    --faint: #6d7686;
    --line: #242a34;
    --line-strong: #333b48;

    --accent: #6d97ff;
    --accent-ink: #08101f;
    --warm: #e9a64a;
    --warn: #ff7266;
    --ok: #3fbd90;
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 10px 30px -14px rgb(0 0 0 / 0.7);
}

:root[data-theme="light"] {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  height: 100%;
}

body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  max-width: 780px;
  margin: 0 auto;
  overflow: hidden;
}

.screen-scroll {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  padding: 12px 14px 24px;
}

.tnum {
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ hero */

.hero {
  flex: 0 0 auto;
  z-index: 20;
  padding: calc(16px + env(safe-area-inset-top)) 20px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  align-items: end;
  column-gap: 16px;
}

.hero[hidden] {
  display: none;
}

.hero-label {
  margin: 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.hero-value {
  margin: 1px 0 0;
  font-size: clamp(32px, 10.5vw, 52px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.hero-value2 {
  margin: 1px 0 0;
  font-size: clamp(19px, 6vw, 26px);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--warm);
  font-variant-numeric: tabular-nums;
}

.hero-value2.is-none {
  color: var(--faint);
  font-weight: 500;
  font-size: 16px;
}

.hero-main,
.hero-bonus {
  min-width: 0;
}

.hero-stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.hero-stats div {
  min-width: 0;
}

.hero-stats dt {
  font-size: 11px;
  color: var(--muted);
}

.hero-stats dd {
  margin: 1px 0 0;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: clip;
}

/* ------------------------------------------------------------ スライダー */

.controls {
  display: grid;
  gap: 10px;
  margin-bottom: 12px;
}

/* 返済期間と金利。スマホ幅では±ボタンが窮屈になるため縦積みのまま、
   タブレット以上の余裕がある幅でだけ横並びにする。 */
.controls-pair {
  display: grid;
  width: 100%;
  min-width: 0;
  gap: 10px;
}

@media (min-width: 640px) {
  .controls-pair {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.ctrl {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px 16px 15px;
  box-shadow: var(--shadow);
}

.ctrl-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
}

.ctrl-label {
  font-size: 14px;
  font-weight: 700;
}

.ctrl-hint {
  font-size: 11px;
  color: var(--faint);
  text-align: right;
}

.ctrl-value {
  display: grid;
  grid-template-columns: 56px 1fr 56px;
  align-items: center;
  gap: 10px;
  margin: 6px 0 4px;
}

.ctrl-num {
  text-align: center;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  white-space: nowrap;
}

.ctrl-num b {
  font-size: clamp(30px, 9vw, 40px);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.ctrl-num span {
  font-size: 14px;
  color: var(--muted);
  margin-left: 3px;
  font-weight: 600;
}

.step {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--ink);
  transition: transform 0.08s ease, background 0.12s ease;
}

.step svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
}

.step:hover {
  background: var(--line);
}

.step:active {
  transform: scale(0.92);
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

.step.tiny {
  width: 34px;
  height: 34px;
}

.step.tiny svg {
  width: 16px;
  height: 16px;
}

.step:disabled {
  opacity: 0.4;
  pointer-events: none;
}

.range {
  --pct: 50%;
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 34px;
  margin: 0;
  background: transparent;
}

.range::-webkit-slider-runnable-track {
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--accent) 0 var(--pct),
    var(--surface-2) var(--pct) 100%
  );
  border: 1px solid var(--line-strong);
}

.range::-moz-range-track {
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(
    to right,
    var(--accent) 0 var(--pct),
    var(--surface-2) var(--pct) 100%
  );
  border: 1px solid var(--line-strong);
}

.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 34px;
  height: 34px;
  margin-top: -11px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.22);
  transition: transform 0.1s ease;
}

.range::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--surface);
  border: 3px solid var(--accent);
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.22);
}

.range:active::-webkit-slider-thumb {
  transform: scale(1.12);
}

.ctrl-scale {
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
  font-size: 11px;
  color: var(--faint);
}

.presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.pill {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 13px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.pill[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.row-label {
  font-size: 13px;
  font-weight: 700;
}

.seg {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-2);
}

.seg button {
  min-height: 42px;
  padding: 0 14px;
  border: 0;
  background: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.seg button + button {
  border-left: 1px solid var(--line-strong);
}

.seg button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--accent-ink);
}

.seg.small button {
  min-height: 38px;
  padding: 0 11px;
  font-size: 12px;
}

/* グリッドの子は既定の min-width:auto で縮まないので、明示的に潰せるようにする。 */
.grid-inputs > *,
.minis > *,
.controls > * {
  min-width: 0;
}

.grid-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.grid-inputs label {
  display: grid;
  gap: 4px;
  font-size: 12px;
  line-height: 1.35;
  color: var(--muted);
}

.grid-inputs input {
  width: 100%;
  min-width: 0;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 17px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.grid-inputs.tight {
  margin-bottom: 14px;
}

.minis {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mini {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px 12px;
  background: var(--surface-2);
}

.mini span {
  font-size: 11px;
  color: var(--muted);
}

.mini b {
  display: block;
  font-size: 22px;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.mini small {
  font-size: 11px;
  color: var(--faint);
}

.mini.is-warn b {
  color: var(--warn);
}

.hint {
  margin: 0;
  font-size: 12px;
  color: var(--faint);
}

/* ------------------------------------------------------------ パネル */

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}

.ad-slot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  padding: 18px;
  margin-bottom: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.ad-slot-badge {
  position: absolute;
  top: 8px;
  left: 10px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--faint);
}

.ad-slot-copy {
  margin: 0;
  font-size: 12px;
  color: var(--faint);
}

.panel-head {
  margin-bottom: 14px;
}

.panel h2 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.panel-sub {
  margin: 3px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.panel-note {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.75;
}

/* ------------------------------------------------------------ マトリクス */

.matrix-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.budget {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
}

.budget[hidden] {
  display: none;
}

.budget b {
  min-width: 52px;
  text-align: center;
  font-size: 16px;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.matrix-scroll {
  overflow-x: auto;
  margin: 0 -18px;
  padding: 0 18px;
  scrollbar-width: thin;
}

.matrix {
  width: 100%;
  border-collapse: separate;
  border-spacing: 3px;
  table-layout: fixed;
}

.matrix th {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.matrix thead th {
  padding-bottom: 2px;
}

.matrix .corner {
  width: 62px;
  font-size: 9.5px;
  color: var(--faint);
  text-align: left;
  white-space: normal;
  line-height: 1.25;
}

.matrix tbody th {
  text-align: right;
  padding-right: 5px;
  font-size: 11.5px;
}

.cell {
  width: 100%;
  min-height: 48px;
  display: grid;
  place-content: center;
  padding: 0 2px;
  border: 1px solid transparent;
  border-radius: 9px;
  background: var(--surface-2);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  transition: transform 0.08s ease;
}

.cell b {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.03em;
  white-space: nowrap;
}

.cell b span {
  font-size: 10px;
  font-weight: 500;
  color: var(--muted);
  margin-left: 1px;
}

.cell.is-ok {
  background: color-mix(in oklab, var(--accent) calc(7% + var(--heat) * 20%), var(--surface));
}

.cell.is-over {
  background: color-mix(in oklab, var(--warn) calc(5% + var(--heat) * 17%), var(--surface));
  color: var(--muted);
}

.cell.is-over b {
  font-weight: 500;
}

.cell:active {
  transform: scale(0.95);
}

.cell.is-current {
  border-color: var(--ink);
  box-shadow: inset 0 0 0 2px var(--surface);
}

.cell.is-current::after {
  content: "";
  position: absolute;
}

.matrix td {
  position: relative;
  padding: 0;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  margin: 12px 0 0;
  font-size: 11.5px;
  color: var(--muted);
}

.legend > span {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.legend .sw {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 3px;
  margin-right: 5px;
  vertical-align: -2px;
}

.sw.ok {
  background: color-mix(in oklab, var(--accent) 22%, var(--surface));
  border: 1px solid color-mix(in oklab, var(--accent) 40%, transparent);
}

.sw.over {
  background: color-mix(in oklab, var(--warn) 18%, var(--surface));
  border: 1px solid color-mix(in oklab, var(--warn) 36%, transparent);
}

.sw.principal {
  background: var(--c-principal);
}

.sw.interest {
  background: var(--c-interest);
}

.legend-note {
  color: var(--faint);
}

/* ------------------------------------------------------------ グラフ */

.scrub-hint {
  margin: 0 0 4px;
  font-size: 11.5px;
  text-align: center;
  color: var(--faint);
  animation: scrub-hint-pulse 2.2s ease-in-out infinite;
}

.scrub-hint.is-done {
  display: none;
}

@keyframes scrub-hint-pulse {
  0%,
  100% {
    opacity: 0.35;
  }
  50% {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .scrub-hint {
    animation: none;
    opacity: 0.7;
  }
}

.chart-wrap {
  margin: 0 -4px;
  touch-action: pan-y;
}

.chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.chart .grid {
  stroke: var(--line);
  stroke-width: 1;
}

.chart .ax-y {
  fill: var(--faint);
  font-size: 13px;
  text-anchor: end;
  font-family: var(--font);
}

.chart .ax-x {
  fill: var(--faint);
  font-size: 13px;
  text-anchor: middle;
  font-family: var(--font);
}

.chart .marker,
.chart .branch {
  stroke: var(--faint);
  stroke-width: 1.5;
  stroke-dasharray: 3 4;
}

.chart .marker-text {
  fill: var(--muted);
  font-size: 13px;
  font-family: var(--font);
}

.chart .fan {
  fill: none;
  stroke-width: 2;
  stroke-linejoin: round;
  stroke: var(--c-base);
}

.chart .fan.is-base {
  stroke-width: 2.6;
  stroke: var(--c-base);
}

.chart .fan.is-picked {
  stroke: var(--c-scenario);
}

.chart .hit {
  fill: transparent;
}

.chart .scrub-line {
  stroke: var(--ink);
  stroke-width: 1;
  pointer-events: none;
}

.chart-title {
  margin: 16px 0 2px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}


.readout {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  margin-top: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  min-height: 44px;
}

.readout b {
  font-size: 14px;
  color: var(--ink);
}

.readout .principal {
  color: var(--c-principal);
  font-weight: 600;
}

.readout .interest {
  color: var(--c-interest);
  font-weight: 600;
}

/* ------------------------------------------------------------ 分岐 */

.branch-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: space-between;
  margin-bottom: 14px;
}

.dot {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: -1px;
  background: color-mix(in oklab, var(--c-scenario) 45%, transparent);
}

.dot.is-base {
  background: var(--c-base);
}

.dot.is-on {
  background: var(--c-scenario);
  box-shadow: 0 0 0 3px color-mix(in oklab, var(--c-scenario) 22%, transparent);
}

/* ------------------------------------------------------------ 表 */

.data-table {
  width: 100%;
  min-width: 320px;
  border-collapse: collapse;
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
}

.data-table th,
.data-table td {
  padding: 9px 5px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  white-space: nowrap;
}

.data-table thead th {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  white-space: normal;
}

.data-table th:first-child,
.data-table td:first-child {
  text-align: left;
}

.data-table tbody th {
  font-weight: 600;
}

.data-table .is-warn {
  color: var(--warn);
  font-weight: 700;
}

.data-table .is-diff {
  color: var(--warm);
  font-weight: 600;
}

.table-warn {
  margin: 10px 0 0;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid color-mix(in oklab, var(--warn) 34%, transparent);
  background: color-mix(in oklab, var(--warn) 8%, var(--surface));
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--ink);
}

.table-warn b {
  color: var(--warn);
  font-variant-numeric: tabular-nums;
}

.data-table tr.is-base th {
  color: var(--ink);
}

.data-table.costs {
  min-width: 0;
}

.data-table.costs th {
  font-weight: 500;
  white-space: normal;
}

.data-table.costs small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--faint);
  line-height: 1.4;
}

/* ------------------------------------------------------------ 脚注 */

.legal {
  margin-top: 22px;
  font-size: 11.5px;
  line-height: 1.8;
  color: var(--faint);
}

.legal p {
  margin: 0 0 8px;
}

.legal b {
  color: var(--muted);
}

.legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.legal-links a {
  font-size: 12px;
  color: var(--accent);
  text-decoration: none;
}

.legal-links a:hover {
  text-decoration: underline;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ============================================================
   刻みの選択・ボーナスの内訳・仮定の答え・グラフの動き
   ============================================================ */

.steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 12px;
}

.steps > span {
  font-size: 11px;
  color: var(--faint);
  margin-right: 2px;
}

.tick {
  min-height: 30px;
  padding: 0 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.tick[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

.presets.tight {
  margin-top: 8px;
  gap: 5px;
}

.pill.sm {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 34px;
  padding: 0 6px;
  font-size: 12px;
}

.bonus {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line-strong);
}

.bonus-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  text-align: left;
  font-size: 12px;
  color: var(--muted);
}

.bonus-toggle span {
  flex: 1 1 auto;
}

.bonus-toggle b {
  flex: 0 0 auto;
  font-size: 15px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.bonus-toggle::after {
  content: "";
  flex: 0 0 auto;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.bonus-toggle[aria-expanded="true"]::after {
  transform: rotate(-135deg);
}

.bonus-panel {
  margin-top: 14px;
}

.split {
  margin: 10px 0 0;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
}

.split b {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

/* --- 仮定の答え --- */

.answer {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
  padding: 14px;
  margin-bottom: 14px;
}

/* 狭い画面では数字に幅を明け渡し、矢印を段の間に寝かせる。 */
.ans-flow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.ans-cell {
  min-width: 0;
}

.ans-cell span {
  display: block;
  font-size: 11px;
  color: var(--muted);
  line-height: 1.35;
}

.ans-cell b {
  display: block;
  font-size: clamp(21px, 6.6vw, 30px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
}

.ans-cell small {
  display: block;
  font-size: 11px;
  color: var(--faint);
}

.ans-cell.is-after b {
  color: var(--warm);
}

.ans-cell small i {
  font-style: normal;
  font-weight: 700;
  color: var(--warm);
}

.ans-arrow {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--faint);
  padding: 2px 0;
}

.ans-arrow svg {
  flex: 0 0 auto;
  width: 30px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  rotate: 90deg;
}

.ans-arrow em {
  font-style: normal;
  font-size: 11.5px;
  font-weight: 600;
  white-space: nowrap;
}

@media (min-width: 520px) {
  .ans-flow {
    grid-template-columns: 1fr auto 1.15fr;
    align-items: center;
    gap: 10px;
  }

  .ans-arrow {
    display: grid;
    justify-items: center;
    gap: 2px;
    padding: 0;
  }

  .ans-arrow svg {
    rotate: none;
    width: 34px;
    height: 18px;
  }

  .ans-arrow em {
    font-size: 10.5px;
    font-weight: 500;
  }
}

.ans-total {
  display: grid;
  gap: 4px;
  margin: 12px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.ans-total > div {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.ans-total dt {
  flex: 0 0 68px;
  font-size: 11px;
}

.ans-total dd {
  margin: 0;
  min-width: 0;
}

.ans-total b {
  color: var(--ink);
  font-weight: 700;
}

.ans-total i {
  font-style: normal;
  font-weight: 700;
  color: var(--warm);
  white-space: nowrap;
}

/* 125%ルールで返しきれないときだけ出る、満期残債の警告 */

.residual-warn {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid color-mix(in oklab, var(--warn) 40%, transparent);
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--warn) 7%, var(--surface));
}

.residual-head {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--warn);
}

.residual-warn dl {
  display: grid;
  gap: 4px;
  margin: 0;
  font-size: 12.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.residual-warn dl > div {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.residual-warn dt {
  flex: 0 0 96px;
  font-size: 11px;
}

.residual-warn dd {
  margin: 0;
  min-width: 0;
}

.residual-warn dd b {
  font-weight: 700;
  color: var(--ink);
}

.residual-warn .is-sum {
  margin-top: 4px;
  padding-top: 6px;
  border-top: 1px solid color-mix(in oklab, var(--warn) 25%, transparent);
}

.residual-warn .is-sum dd b {
  font-size: 15px;
  color: var(--warn);
}

.residual-note {
  margin: 8px 0 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
}

.data-table tr.is-picked {
  background: color-mix(in oklab, var(--accent) 8%, transparent);
}

.data-table tr.is-picked th,
.data-table tr.is-picked td {
  font-weight: 700;
}

/* --- グラフの線の強弱 --- */

.chart .fan.is-picked {
  stroke-width: 3.2;
  opacity: 1;
}

.chart .ceiling {
  stroke: var(--c-limit);
  stroke-width: 1.5;
  stroke-dasharray: 6 4;
}

.chart .ceiling-text {
  fill: var(--c-limit);
  font-size: 10px;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
}

/* --- 動き。スライダー操作中は切って直結感を保つ。 --- */

@keyframes area-grow {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

@keyframes line-draw {
  from {
    stroke-dashoffset: 100;
  }
  to {
    stroke-dashoffset: 0;
  }
}

.chart .fan {
  stroke-dasharray: 100;
  animation: line-draw 0.6s cubic-bezier(0.35, 0.6, 0.25, 1) both;
}

.chart .fan.is-picked {
  animation-duration: 0.75s;
}

.chart-wrap.no-anim .chart * {
  animation: none !important;
  stroke-dasharray: none !important;
}

@media (prefers-reduced-motion: reduce) {
  .chart * {
    animation: none !important;
    stroke-dasharray: none !important;
  }
}

/* ============================================================
   2段の償却グラフ・上げ幅の刻み・ルールの説明
   ============================================================ */

.chart .panel-tag {
  fill: var(--muted);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font);
}

.chart .area-balance {
  fill: color-mix(in oklab, var(--c-principal) 16%, transparent);
}

.chart .line-balance {
  fill: none;
  stroke: var(--c-principal);
  stroke-width: 2.4;
  stroke-linejoin: round;
}

.chart .bar-principal {
  fill: var(--c-principal);
}

.chart .bar-interest {
  fill: var(--c-interest);
}

.chart .marker-dot {
  fill: var(--c-principal);
  stroke: var(--surface);
  stroke-width: 2;
}

.sw.balance {
  background: color-mix(in oklab, var(--c-principal) 22%, var(--surface));
  border: 1.5px solid var(--c-principal);
}

/* 棒は左から順に立ち上がる */
@keyframes bar-rise {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

.chart .bar {
  transform-box: fill-box;
  transform-origin: bottom;
  animation: bar-rise 0.34s cubic-bezier(0.2, 0.75, 0.3, 1) both;
  animation-delay: calc(var(--n) * 9ms);
}

.chart .area-balance {
  transform-box: fill-box;
  transform-origin: bottom;
  animation: area-grow 0.5s cubic-bezier(0.22, 0.75, 0.3, 1) both;
}

.chart .line-balance {
  stroke-dasharray: 100;
  animation: line-draw 0.7s cubic-bezier(0.35, 0.6, 0.25, 1) both;
}

/* ============================================================
   金利の想定エディタ
   ============================================================ */

.rate-path {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 13px;
  margin-bottom: 14px;
  background: var(--surface-2);
}

.rp-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  margin-bottom: 10px;
}

.rp-head > span {
  font-size: 13px;
  font-weight: 700;
}

.rp-head em {
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
}

.rp-head em b {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.rp-rows {
  display: grid;
  gap: 8px;
}

.rp-row {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  align-items: end;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface);
}

.rp-cell {
  min-width: 0;
}

.rp-tag {
  display: block;
  font-size: 10.5px;
  color: var(--faint);
  margin-bottom: 2px;
}

.rp-stepper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.rp-stepper b {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.rp-stepper b.is-down {
  color: var(--ok);
}

.rp-result {
  grid-column: 1 / -1;
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-size: 11px;
  color: var(--muted);
}

.rp-result b {
  font-size: 17px;
  color: var(--warn);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.rp-del {
  grid-row: 1;
  grid-column: 3;
  width: 30px;
  height: 30px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
}

.rp-del:hover {
  border-color: var(--warn);
  color: var(--warn);
}

.costs-entry {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  min-height: 40px;
  margin-bottom: 12px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
}

.costs-entry:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.costs-entry::after {
  content: "›";
  font-size: 15px;
  line-height: 1;
}

.cost-apply {
  width: 100%;
  min-height: 46px;
  margin-top: 18px;
  border: 0;
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-ink);
  font-size: 14px;
  font-weight: 700;
}

.rp-add {
  width: 100%;
  min-height: 42px;
  margin-top: 8px;
  border: 1px dashed var(--line-strong);
  border-radius: 11px;
  background: none;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
}

.rp-add:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.rp-empty {
  margin: 0;
  font-size: 12px;
  color: var(--faint);
}

.rp-summary {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.rp-summary b {
  color: var(--ink);
  font-weight: 700;
}

.rp-arrow {
  color: var(--faint);
  margin: 0 2px 0 6px;
}

.rp-when {
  color: var(--ink);
  font-weight: 600;
}

/* 段の一覧 */

.ans-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}

.ans-steps li {
  flex: 1 1 auto;
  min-width: 0;
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
}

.ans-steps li span {
  display: block;
  font-size: 10.5px;
  color: var(--faint);
}

.ans-steps li b {
  font-size: 14px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.ans-steps li:last-child b {
  color: var(--warn);
}

/* グラフ: 差の帯と変更ポイントのラベル */

.chart .diff-band {
  fill: color-mix(in oklab, var(--c-scenario) 18%, transparent);
}

.chart .mark-year {
  fill: var(--ink);
  font-size: 10.5px;
  font-weight: 700;
  font-family: var(--font);
}

.chart .mark-rate {
  fill: var(--c-scenario);
  font-size: 10.5px;
  font-weight: 700;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
}

.chart .step-value {
  fill: var(--c-scenario);
  font-size: 11px;
  font-weight: 700;
  font-family: var(--font);
  font-variant-numeric: tabular-nums;
}

.data-table tbody th small {
  display: block;
  font-size: 10.5px;
  font-weight: 500;
  color: var(--faint);
  padding-left: 15px;
}

@media (min-width: 560px) {
  .rp-row {
    grid-template-columns: 1fr 1fr 1fr auto;
    align-items: center;
  }

  .rp-result {
    grid-column: 3;
    grid-row: 1;
    border-top: 0;
    padding-top: 0;
    justify-content: flex-end;
  }

  .rp-del {
    grid-column: 4;
  }
}

.chart .axis-break {
  fill: none;
  stroke: var(--faint);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart .axis-break-text {
  fill: var(--faint);
  font-size: 9.5px;
  font-family: var(--font);
}


/* ============================================================
   グラフの配色。UIの色（ボタン・スライダー）とは分けてある。
   どれも青系×暖色系、または明度差だけで組んであり、
   色覚特性のある人にも、白黒印刷でも読み分けられる。
   ============================================================ */

:root {
  --c-principal: #1b45c9;
  --c-interest: #d4761b;
  --c-base: #1b45c9;
  --c-scenario: #c02a20;
  --c-limit: #0f7350;
}

:root[data-palette="ai"] {
  --c-principal: #23407c;
  --c-interest: #dd5b24;
  --c-base: #23407c;
  --c-scenario: #a8261c;
  --c-limit: #3d6b46;
}

:root[data-palette="teal"] {
  --c-principal: #0d6a6d;
  --c-interest: #c2660c;
  --c-base: #0d6a6d;
  --c-scenario: #9c2f8f;
  --c-limit: #2f6a2a;
}

:root[data-palette="mono"] {
  --c-principal: #333e4d;
  --c-interest: #b3bcc8;
  --c-base: #97a1af;
  --c-scenario: #10151c;
  --c-limit: #5d6675;
}

/* 暗い面では、同じ色相のまま明度と彩度を上げる。 */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --c-principal: #6d97ff;
    --c-interest: #e9a64a;
    --c-base: #6d97ff;
    --c-scenario: #ff7266;
    --c-limit: #3fbd90;
  }

  :root:not([data-theme="light"])[data-palette="ai"] {
    --c-principal: #7ea6f5;
    --c-interest: #f4884d;
    --c-base: #7ea6f5;
    --c-scenario: #ff8071;
    --c-limit: #74c08a;
  }

  :root:not([data-theme="light"])[data-palette="teal"] {
    --c-principal: #45c3c6;
    --c-interest: #f0a63f;
    --c-base: #45c3c6;
    --c-scenario: #ef7fdc;
    --c-limit: #74c86a;
  }

  :root:not([data-theme="light"])[data-palette="mono"] {
    --c-principal: #aeb8c6;
    --c-interest: #4d5766;
    --c-base: #6b7583;
    --c-scenario: #f2f5f9;
    --c-limit: #8a93a1;
  }
}

:root[data-theme="dark"] {
  --c-principal: #6d97ff;
  --c-interest: #e9a64a;
  --c-base: #6d97ff;
  --c-scenario: #ff7266;
  --c-limit: #3fbd90;
}

:root[data-theme="dark"][data-palette="ai"] {
  --c-principal: #7ea6f5;
  --c-interest: #f4884d;
  --c-base: #7ea6f5;
  --c-scenario: #ff8071;
  --c-limit: #74c08a;
}

:root[data-theme="dark"][data-palette="teal"] {
  --c-principal: #45c3c6;
  --c-interest: #f0a63f;
  --c-base: #45c3c6;
  --c-scenario: #ef7fdc;
  --c-limit: #74c86a;
}

:root[data-theme="dark"][data-palette="mono"] {
  --c-principal: #aeb8c6;
  --c-interest: #4d5766;
  --c-base: #6b7583;
  --c-scenario: #f2f5f9;
  --c-limit: #8a93a1;
}

/* 濃淡だけの配色では、線を色で分けられない。太さと破線で分ける。 */
:root[data-palette="mono"] .chart .fan.is-base {
  stroke-dasharray: 5 4;
  stroke-width: 2;
  /* 破線と描画アニメの dasharray がぶつかるので、この線だけ animation を切る。 */
  animation: none;
}

/* ============================================================
   表示の設定
   ============================================================ */

.prefs {
  display: grid;
  gap: 14px;
}

.pref-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.pref-label {
  flex: 0 0 auto;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted);
  min-width: 74px;
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.swatch {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 40px;
  padding: 0 12px 0 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.swatch[aria-pressed="true"] {
  border-color: var(--accent);
  color: var(--ink);
  background: color-mix(in oklab, var(--accent) 7%, var(--surface));
}

.swatch i {
  display: flex;
  gap: 2px;
}

.swatch i b {
  width: 9px;
  height: 16px;
  border-radius: 2px;
}

/* 線の凡例。色に頼らず、太さと破線も見本に写す。 */
.sw.base {
  height: 0;
  border-top: 2px solid var(--c-base);
  border-radius: 0;
  align-self: center;
}

:root[data-palette="mono"] .sw.base {
  border-top-style: dashed;
}

.sw.scenario {
  height: 0;
  border-top: 3px solid var(--c-scenario);
  border-radius: 0;
  align-self: center;
}

.sw.diff {
  background: color-mix(in oklab, var(--c-scenario) 18%, var(--surface));
  border: 1px solid color-mix(in oklab, var(--c-scenario) 34%, transparent);
}

/* ============================================================
   ボーナスの指定・1行のルール・広い画面の2カラム
   ============================================================ */

.bonus-head {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.bonus-yen {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.bonus-yen input {
  flex: 1 1 90px;
  min-width: 0;
  min-height: 44px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-2);
  font-size: 19px;
  font-weight: 700;
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.bonus-yen > span {
  font-size: 12px;
  color: var(--muted);
}

.bonus-yen em {
  flex: 1 1 100%;
  font-style: normal;
  font-size: 11px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}

.pill.ghost {
  border-style: dashed;
  background: none;
}

.pill.ghost:hover {
  border-style: solid;
  border-color: var(--accent);
  color: var(--accent);
}

/* --- ルールは1行 --- */

.rules-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 8px;
  margin-bottom: 12px;
}

.chip-toggle {
  min-height: 36px;
  padding: 0 12px 0 30px;
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
}

.chip-toggle::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 50%;
  translate: 0 -50%;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  border: 2px solid var(--line-strong);
}

.chip-toggle[aria-pressed="true"] {
  color: var(--ink);
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 7%, var(--surface));
}

.chip-toggle[aria-pressed="true"]::before {
  background: var(--accent);
  border-color: var(--accent);
}

.chip-toggle:disabled {
  opacity: 0.4;
}

.help-btn {
  width: 30px;
  height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
}

.help-btn[aria-expanded="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

.help-body {
  margin: -4px 0 14px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--surface-2);
}

.help-body p {
  margin: 0 0 6px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--muted);
}

.help-body p:last-child {
  margin-bottom: 0;
}

.help-body b {
  color: var(--ink);
}



/* ============================================================
   条件カード（共有用の見た目）・共有ボタン・金利タイプ・
   マトリクスの表示範囲パン
   ============================================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.cond-card {
  margin: 0 0 12px;
  padding: 14px 16px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.cond-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.cond-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--accent) 12%, var(--surface));
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
}

.cond-date {
  font-size: 11.5px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.cond-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px 14px;
}

.cond-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.cond-item span {
  font-size: 10.5px;
  color: var(--muted);
}

.cond-item b {
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: break-word;
  font-variant-numeric: tabular-nums;
}

.cond-foot {
  margin: 10px 0 0;
  font-size: 11px;
  color: var(--faint);
}

.share-panel .share-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.share-status {
  min-height: 16px;
  margin: 10px 0 0;
  padding: 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}

.share-status:not(:empty) {
  padding: 10px 12px;
  border-radius: var(--radius);
  background: color-mix(in oklab, var(--accent) 10%, var(--surface));
}

.rate-extra {
  display: flex;
  gap: 14px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
}

.rate-extra .rate-type {
  flex: 1 1 0;
  min-width: 0;
}

.mini-label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 8px;
}

.matrix-bar .pan {
  display: flex;
  gap: 4px;
}

.matrix tbody th {
  cursor: grab;
  touch-action: none;
  user-select: none;
  border-radius: 6px;
}

.matrix tbody th:active {
  cursor: grabbing;
  background: var(--surface-2);
}

@media (min-width: 460px) {
  .cond-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}



/* ============================================================
   4画面構成（入力・結果・条件と共有・設定）とタブ
   ============================================================ */

.back-btn {
  min-height: 38px;
  padding: 0 4px;
  margin-bottom: 10px;
  border: 0;
  background: none;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
}

/* --- 結果画面のタブ --- */

.result-meta {
  margin: 0 0 10px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--faint);
}

.tabbar {
  display: flex;
  gap: 4px;
  margin-bottom: 12px;
  padding-bottom: 2px;
}

.tabbar button {
  flex: 1 1 0;
  min-width: 0;
  min-height: 40px;
  padding: 0 4px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tabbar button[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--surface);
}

[data-tabpanel][hidden] {
  display: none;
}

/* --- 画面下部固定のナビ（入力／結果） --- */

.bottom-nav {
  flex: 0 0 auto;
  z-index: 30;
  display: flex;
  gap: 8px;
  padding: 8px 14px calc(8px + env(safe-area-inset-bottom));
  background: var(--surface);
  border-top: 1px solid var(--line);
}

.bottom-nav[hidden] {
  display: none;
}

.nav-main {
  flex: 1 1 auto;
  display: flex;
  gap: 2px;
  min-width: 0;
}

.nav-main button {
  flex: 1 1 50%;
  min-height: 46px;
  border: 1px solid var(--line-strong);
  background: var(--surface-2);
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-main button:first-child {
  border-radius: 12px 0 0 12px;
  border-right: 0;
}

.nav-main button:last-child {
  border-radius: 0 12px 12px 0;
}

.nav-main button[aria-pressed="true"],
.nav-icon[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.nav-icon {
  flex: 0 0 auto;
  min-width: 56px;
  min-height: 46px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 11.5px;
  font-weight: 700;
}

.screen[hidden] {
  display: none;
}

/* ============================================================
   「払える額」タブ: 毎月とボーナスを別々に入力
   ============================================================ */

.afford-inputs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-bottom: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.afford-note {
  margin: 0 0 16px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--faint);
}

/* ============================================================
   諸費用: 単体の物件価格入力／表の中で直接編集できる金額セル
   ============================================================ */

.data-table.costs td.amount {
  padding: 6px 0 6px 6px;
}

.data-table.costs td.amount .unit {
  margin-left: 6px;
  font-size: 11px;
  color: var(--faint);
}

.cell-amount {
  display: inline-block;
  padding: 4px 0;
}

.cell-input {
  width: 92px;
  min-height: 36px;
  padding: 0 8px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-2);
  text-align: right;
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.cell-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 0;
  border-color: var(--accent);
}

/* ============================================================
   諸費用: 物件価格・諸費用・自己資金の3段書きと、必要な借入額
   ============================================================ */

.cost-tiers {
  margin: 0 0 10px;
}

.cost-tiers > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.cost-tiers dt {
  flex: 0 0 auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--muted);
}

.cost-tiers dd {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}

.cost-tiers input {
  width: 130px;
  min-height: 42px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--surface-2);
  text-align: right;
  font-size: 16px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cost-tiers .unit {
  font-size: 12px;
  color: var(--muted);
}

.cost-tiers .is-computed dd b {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cost-required {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 0 0 4px;
  padding: 12px 14px;
  border-radius: 12px;
  background: color-mix(in oklab, var(--accent) 8%, var(--surface));
  border: 1px solid color-mix(in oklab, var(--accent) 24%, transparent);
}

.cost-required span {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--muted);
}

.cost-required b {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.cost-group {
  margin-top: 20px;
}

.cost-group.boxed {
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--surface);
}

.cost-group h3 {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
}

.contract-items {
  display: grid;
  gap: 8px;
  margin-bottom: 8px;
}

.contract-row {
  display: grid;
  grid-template-columns: 1fr 92px auto 28px;
  align-items: center;
  gap: 8px;
}

.contract-label {
  min-width: 0;
  min-height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface-2);
  font-size: 16px;
}

.contract-row .unit {
  font-size: 11px;
  color: var(--faint);
}

.row-del {
  width: 26px;
  height: 26px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
}

.row-del:hover {
  border-color: var(--warn);
  color: var(--warn);
}

.row-del-space {
  display: inline-block;
  width: 26px;
}

.data-table.costs th {
  vertical-align: middle;
}