/* styles.css
 * 仕様書 6章 のトークンと部品スタイル。
 * 外部フォント・外部CSS・CDN は読み込まない。
 */

:root {
  /* 地と墨 */
  --bg:            #F3F6FA;
  --surface:       #FFFFFF;
  --surface-dim:   #E9EEF5;
  --ink:           #17233A;
  --ink-2:         #4A5A72;
  --ink-3:         #5A6673;
  --hairline:      #E1E7F0;

  /* 会社色 */
  --company-accent: #2563A8;
  --accent-soft:  color-mix(in srgb, var(--company-accent) 10%, #fff);
  --ico-bg:       color-mix(in srgb, var(--company-accent) 12%, #fff);
  --accent-deep:  color-mix(in srgb, var(--company-accent) 78%, #0B1020);
  --accent-light: color-mix(in srgb, var(--company-accent) 80%, #fff);
  --band: linear-gradient(135deg, var(--accent-light) 0%, var(--company-accent) 55%, var(--accent-deep) 100%);

  /* 行動ボタン */
  --cta:           #F58A2E;
  --cta-ink:       #17233A;

  /* 図・状態 */
  --series-1: #2a78d6;
  --series-2: #eb6834;
  --series-3: #1baf7a;
  --grid-hairline: #e1e0d9;
  --chart-muted: #8C949B;
  --status-good: #0ca30c;
  --status-warning: #b97a00;
  --status-serious: #c05a2e;
  --status-critical: #d03b3b;
  --status-warning-soft: #FCF0D8;

  /* 書体 */
  --font-display: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", "Yu Gothic", "Noto Sans JP", sans-serif;
  --font-body:    "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  --font-latin:   "Helvetica Neue", "Inter", "Segoe UI", Arial, sans-serif;
  --fs-hero:  clamp(2rem, 4.2vw, 3rem);
  --fs-h1:    clamp(1.7rem, 3.2vw, 2.25rem);
  --fs-h2:    clamp(1.4rem, 2.2vw, 1.7rem);
  --fs-h3:    1.15rem;
  --fs-body:  1rem;
  --fs-small: .875rem;
  --fs-caption: .75rem;
  --lh-tight: 1.25;
  --lh-body: 1.8;
  --ls-wide:  .18em;
  --ls-body:  .02em;

  /* 形と影 */
  --radius-s: 12px;
  --radius-m: 16px;
  --radius-l: 22px;
  --radius-pill: 999px;
  --shadow-1: 0 8px 24px -14px rgba(23,35,58,.22);
  --shadow-2: 0 18px 40px -22px rgba(23,35,58,.32);
  --border:   1px solid var(--hairline);

  /* 余白（8px グリッド） */
  --sp-1: 8px;
  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 32px;
  --sp-5: 48px;
  --sp-6: 64px;
  --sp-7: 96px;
  --sp-8: 128px;
  --container: 1240px;

  /* 動き */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-expo: cubic-bezier(.26,1,.48,1);
  --dur: .3s;
  --dur-slow: .9s;
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  letter-spacing: var(--ls-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote { margin: 0; padding: 0; }
ul, ol { list-style: none; }
button { font: inherit; color: inherit; cursor: pointer; }
input, select, button, textarea { font: inherit; color: inherit; }
:focus-visible {
  outline: 2px solid var(--company-accent);
  outline-offset: 2px;
}
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}
[hidden] { display: none !important; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ---------- ヘッダー ---------- */
.company-header {
  background: var(--surface);
  border-bottom: var(--border);
  height: 72px;
  display: flex;
  align-items: center;
}
.company-header__inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}
.company-header__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.company-header__mark {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-s);
  background: var(--company-accent);
  color: #fff;
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.1rem;
  display: grid;
  place-items: center;
}
.company-header__name {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.company-header__title {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}
.company-header__sub {
  font-size: var(--fs-caption);
  color: var(--ink-3);
}
.company-header__phone {
  text-align: right;
  line-height: 1.2;
}
.company-header__phone-num {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--ink);
}
.company-header__phone-hours {
  font-size: var(--fs-caption);
  color: var(--ink-3);
}

/* ---------- 帯 ---------- */
.band {
  background: var(--band);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.band__inner {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: var(--sp-6) var(--sp-3) calc(var(--sp-6) + 64px);
  position: relative;
  z-index: 1;
}
.band__ambient {
  position: absolute;
  inset: 0;
  pointer-events: none;
}
.ambient {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.10);
  filter: blur(20px);
}
.ambient--a {
  width: 360px; height: 360px;
  top: -120px; left: -100px;
  animation: drift 22s var(--ease) infinite alternate;
}
.ambient--b {
  width: 260px; height: 260px;
  bottom: -80px; right: -60px;
  animation: drift 30s var(--ease) infinite alternate-reverse;
}
@keyframes drift {
  0%   { transform: translate3d(0, 0, 0); }
  100% { transform: translate3d(40px, -30px, 0); }
}
.band__eyebrow {
  font-family: var(--font-latin);
  font-size: .72rem;
  letter-spacing: var(--ls-wide);
  color: rgba(255,255,255,0.85);
  text-transform: uppercase;
  margin-bottom: var(--sp-2);
  animation: fade-up 0.9s var(--ease) both;
}
.band__h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-h1);
  letter-spacing: .01em;
  line-height: var(--lh-tight);
  margin-bottom: var(--sp-2);
  animation: fade-up 0.9s var(--ease) 70ms both;
}
.band__lead {
  font-size: var(--fs-small);
  color: rgba(255,255,255,0.92);
  animation: fade-up 0.9s var(--ease) 140ms both;
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ---------- ページグリッド ---------- */
.page {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--sp-3);
}
.page__grid {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: var(--sp-4);
  margin-top: calc(-1 * 64px);
  position: relative;
  z-index: 2;
}

/* ---------- パネル（入力） ---------- */
.panel {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 28px;
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
.panel__title {
  font-size: var(--fs-h2);
  font-weight: 800;
  margin-bottom: var(--sp-1);
}
.panel__lead {
  font-size: var(--fs-small);
  color: var(--ink-2);
  margin-bottom: var(--sp-3);
}
.panel__form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.panel__details {
  background: var(--surface-dim);
  border-radius: var(--radius-s);
  padding: var(--sp-1) var(--sp-2);
}
.panel__details summary {
  cursor: pointer;
  font-weight: 700;
  padding: var(--sp-2) 0;
  list-style: none;
}
.panel__details summary::-webkit-details-marker { display: none; }
.panel__details summary::after {
  content: "＋";
  margin-left: var(--sp-1);
  color: var(--ink-3);
}
.panel__details[open] summary::after { content: "−"; }
.panel__details > .field { margin-top: var(--sp-2); }
.panel__actions {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  margin-top: var(--sp-1);
}
.panel__reset {
  background: none;
  border: none;
  color: var(--company-accent);
  text-decoration: underline;
  padding: 0;
  font-size: var(--fs-small);
  align-self: flex-start;
}
.panel__goto {
  display: none;
}

/* ---------- field ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.field[hidden] { display: none !important; }
.field__label {
  font-weight: 700;
  font-size: var(--fs-small);
  color: var(--ink);
}
.field__input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  border: 1.5px solid var(--hairline);
  border-radius: var(--radius-s);
  background: var(--surface);
  padding: 0 var(--sp-2);
  transition: border-color var(--dur), box-shadow var(--dur);
}
.field__input-wrap:focus-within {
  border-color: var(--company-accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.field__input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 12px 0;
  font-family: var(--font-latin);
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--ink);
}
.field__input--small {
  font-size: 1rem;
  padding: 8px 10px;
  width: 80px;
}
.field__input--select {
  appearance: none;
  background: transparent
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2 4l4 4 4-4' fill='none' stroke='%235A6673' stroke-width='1.5'/></svg>")
    no-repeat right var(--sp-1) center / 12px;
  padding-right: var(--sp-3);
}
.field__unit {
  color: var(--ink-3);
  font-size: var(--fs-caption);
  margin-left: var(--sp-1);
  white-space: nowrap;
  flex-shrink: 0;
}
.field__help {
  font-size: var(--fs-caption);
  color: var(--ink-3);
  line-height: 1.5;
}
.field__error {
  font-size: var(--fs-caption);
  color: var(--status-warning);
  display: none;
}
.field.is-invalid .field__input-wrap {
  border-color: var(--status-warning);
  box-shadow: 0 0 0 4px var(--status-warning-soft);
}
.field.is-invalid .field__error {
  display: block;
}
.field__toggle {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: var(--surface);
  width: fit-content;
}
.field__toggle-btn {
  border: 0;
  background: transparent;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: var(--fs-small);
  font-weight: 700;
  color: var(--ink-2);
}
.field__toggle-btn[aria-checked="true"] {
  background: var(--company-accent);
  color: #fff;
}

.field__range-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.field__range {
  -webkit-appearance: none;
  appearance: none;
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-dim);
  outline: none;
  background-image: linear-gradient(var(--company-accent), var(--company-accent));
  background-repeat: no-repeat;
  background-size: 50% 100%;
}
.field__range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--company-accent);
  box-shadow: var(--shadow-1);
  cursor: pointer;
}
.field__range::-moz-range-thumb {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--company-accent);
  box-shadow: var(--shadow-1);
  cursor: pointer;
}
.field__range:focus-visible::-webkit-slider-thumb {
  outline: 2px solid var(--company-accent);
  outline-offset: 3px;
}
.field__caption {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--fs-caption);
  color: var(--ink-3);
}
.field__loan-amount {
  font-family: var(--font-latin);
  font-variant-numeric: tabular-nums;
  color: var(--ink-2);
  font-weight: 700;
}

/* ---------- results ---------- */
.results {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  animation: fade-up 0.9s var(--ease) both;
}
.results__banner {
  background: var(--status-warning-soft);
  border-left: 4px solid var(--status-warning);
  color: var(--ink);
  font-size: var(--fs-small);
  padding: 10px 14px;
  border-radius: var(--radius-s);
  font-weight: 700;
}

/* ---------- hero-number ---------- */
.hero-number {
  background: var(--band);
  color: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-2);
  padding: 30px 34px;
}
.hero-number__label {
  font-size: var(--fs-small);
  font-weight: 700;
  opacity: 0.92;
  margin-bottom: var(--sp-1);
}
.hero-number__value {
  display: flex;
  align-items: baseline;
  gap: var(--sp-1);
}
.hero-number__num {
  font-family: var(--font-latin);
  font-weight: 300;
  font-size: clamp(2.6rem, 6vw, 4.4rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}
.hero-number__unit {
  font-size: 1.2rem;
  font-weight: 700;
  margin-left: 4px;
}
.hero-number__note {
  font-size: var(--fs-small);
  opacity: 0.92;
  margin-top: var(--sp-1);
}
.hero-number__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: var(--sp-2);
}
.badge {
  display: inline-block;
  background: rgba(255,255,255,0.16);
  color: #fff;
  font-size: var(--fs-caption);
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  letter-spacing: .04em;
}

/* ---------- sub-metrics ---------- */
.sub-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sp-2);
}
.sub-metrics--secondary {
  margin-top: calc(-1 * var(--sp-3));
}
.sub-metric {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 18px 20px;
}
.sub-metric__label {
  font-size: var(--fs-small);
  color: var(--ink-2);
  font-weight: 700;
  margin-bottom: 6px;
}
.sub-metric__value {
  font-family: var(--font-latin);
  font-weight: 700;
  font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  line-height: 1.2;
}
.sub-metric__unit {
  font-size: var(--fs-small);
  color: var(--ink-2);
  margin-left: 2px;
}
.sub-metric__help {
  font-size: var(--fs-caption);
  color: var(--ink-3);
  margin-top: 6px;
  line-height: 1.5;
}

/* ---------- figure ---------- */
.figure {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 20px 22px;
}
.figure__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.figure__chart {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.figure__row {
  display: grid;
  grid-template-columns: 130px 1fr 80px;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-small);
}
.figure__row-name {
  color: var(--ink-2);
  font-weight: 700;
}
.figure__row-track {
  background: var(--surface-dim);
  border-radius: 4px;
  overflow: hidden;
  height: 14px;
}
.figure__row-bar {
  height: 100%;
  background: var(--series-1);
  transform-origin: 0 50%;
  animation: grow-x 0.9s var(--ease-expo) both;
}
.figure__row.is-later .figure__row-bar {
  background: var(--series-2);
}
.figure__row.is-zero .figure__row-bar { background: var(--chart-muted); }
.figure__row.is-zero .figure__row-amount { color: var(--chart-muted); }
.figure__row-amount {
  font-family: var(--font-latin);
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--ink);
  font-weight: 700;
}
@keyframes grow-x {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}
.figure__legend {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: var(--ink-2);
}
.figure__legend-item { display: inline-flex; align-items: center; gap: 6px; }
.figure__swatch { display: inline-block; width: 12px; height: 12px; border-radius: 3px; }
.figure__swatch--closing { background: var(--series-1); }
.figure__swatch--later   { background: var(--series-2); }

/* ---------- breakdown ---------- */
.breakdown {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 22px;
}
.breakdown__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-1);
}
.breakdown__lead {
  font-size: var(--fs-caption);
  color: var(--ink-3);
  margin-bottom: var(--sp-2);
}
.breakdown__table-wrap { overflow-x: auto; }
.breakdown__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
}
.breakdown__table th,
.breakdown__table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--hairline);
  vertical-align: top;
}
.breakdown__table th {
  font-weight: 700;
  color: var(--ink-2);
  background: var(--surface-dim);
}
.breakdown__table tbody tr:nth-child(odd) { background: var(--surface-dim); }
.breakdown__amount {
  text-align: right !important;
  font-family: var(--font-latin);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  white-space: nowrap;
}
.breakdown__table tfoot th,
.breakdown__table tfoot td {
  background: var(--surface-dim);
  font-weight: 800;
  font-size: var(--fs-body);
  border-bottom: 0;
}
.breakdown__row-detail td {
  background: var(--accent-soft) !important;
  color: var(--ink-2);
  font-size: var(--fs-caption);
  white-space: pre-wrap;
}
.breakdown__name-btn {
  background: none; border: 0; padding: 0;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  font-size: var(--fs-small);
}
.breakdown__name-btn:hover { color: var(--company-accent); }

/* ---------- points ---------- */
.points {
  background: var(--accent-soft);
  border-radius: var(--radius-m);
  padding: 20px 24px;
}
.points__title {
  font-size: .875rem;
  font-weight: 800;
  margin-bottom: var(--sp-1);
  color: var(--ink);
}
.points__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.points__list li {
  font-size: var(--fs-small);
  color: var(--ink-2);
  position: relative;
  padding-left: 18px;
  line-height: 1.7;
}
.points__list li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 8px; height: 8px;
  background: var(--company-accent);
  border-radius: 50%;
}

/* ---------- compare ---------- */
.compare {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 22px;
}
.compare__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-1);
}
.compare__lead {
  font-size: var(--fs-caption);
  color: var(--ink-3);
  margin-bottom: var(--sp-2);
}
.compare__table-wrap { overflow-x: auto; }
.compare__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fs-small);
  font-variant-numeric: tabular-nums;
}
.compare__table th,
.compare__table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--hairline);
  text-align: right;
}
.compare__table th {
  background: var(--surface-dim);
  font-weight: 700;
  color: var(--ink-2);
}
.compare__table td:first-child,
.compare__table th:first-child {
  text-align: center;
}
.compare__current td {
  background: var(--accent-soft);
  border-left: 3px solid var(--company-accent);
}
.compare__badge {
  display: inline-block;
  background: var(--company-accent);
  color: #fff;
  font-size: var(--fs-caption);
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  margin-left: 6px;
  vertical-align: middle;
}

/* ---------- assumptions ---------- */
.assumptions {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 14px 22px;
}
.assumptions__summary {
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}
.assumptions__summary::-webkit-details-marker { display: none; }
.assumptions__summary::after {
  content: "＋";
  margin-left: var(--sp-1);
  color: var(--ink-3);
}
.assumptions[open] .assumptions__summary::after { content: "−"; }
.assumptions__body {
  margin-top: var(--sp-2);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
  font-size: var(--fs-caption);
  color: var(--ink-2);
}
.assumptions__basis {
  margin-top: var(--sp-2);
  font-size: var(--fs-caption);
  color: var(--ink-3);
}

/* ---------- next-steps ---------- */
.next-steps__title {
  font-size: var(--fs-h3);
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.next-steps__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-2);
}
.next-card {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.next-card--primary {
  background: var(--company-accent);
  color: #fff;
}
.next-card--primary .btn {
  background: #fff;
  color: var(--company-accent);
}
.next-card__eyebrow {
  font-family: var(--font-latin);
  text-transform: uppercase;
  letter-spacing: var(--ls-wide);
  font-size: .72rem;
  font-weight: 700;
  opacity: 0.8;
}
.next-card__title {
  font-size: var(--fs-h3);
  font-weight: 800;
}
.next-card__body {
  font-size: var(--fs-small);
  opacity: 0.92;
  flex: 1;
}
.next-card__toast {
  font-size: var(--fs-caption);
  color: var(--status-good);
  min-height: 1.2em;
  font-weight: 700;
}

/* ---------- buttons ---------- */
.btn {
  border: 0;
  border-radius: var(--radius-pill);
  padding: 13px 24px;
  font-weight: 700;
  font-size: var(--fs-small);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-decoration: none;
  transition: transform var(--dur), box-shadow var(--dur);
}
.btn:hover { transform: translateY(-1px); }
.btn--accent {
  background: var(--cta);
  color: var(--cta-ink);
  box-shadow: var(--shadow-1);
}
.btn--ghost {
  background: var(--accent-soft);
  color: var(--company-accent);
  border: 1px solid var(--ico-bg);
}
.next-card--primary .btn--ghost {
  background: #fff;
  color: var(--company-accent);
  border: 0;
}
.btn--block {
  width: 100%;
  display: flex;
}

/* ---------- FAQ ---------- */
.faq {
  margin-top: var(--sp-5);
}
.faq__title {
  font-size: var(--fs-h3);
  font-weight: 800;
  margin-bottom: var(--sp-2);
}
.faq__items {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.faq details {
  background: var(--surface);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-1);
  padding: 14px 22px;
}
.faq summary {
  cursor: pointer;
  font-weight: 700;
  font-size: var(--fs-body);
  list-style: none;
  position: relative;
  padding-right: 30px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "＋";
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  font-size: 1.2rem;
}
.faq details[open] summary::after { content: "−"; }
.faq__a {
  margin-top: var(--sp-1);
  font-size: var(--fs-small);
  color: var(--ink-2);
  line-height: 1.8;
}

/* ---------- disclaimer ---------- */
.disclaimer {
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: var(--border);
  color: var(--ink-3);
}
.disclaimer__title {
  font-size: var(--fs-caption);
  font-weight: 800;
  margin-bottom: var(--sp-1);
}
.disclaimer__list {
  font-size: var(--fs-caption);
  line-height: 1.7;
}
.disclaimer__list li { padding-left: 14px; position: relative; margin-bottom: 4px; }
.disclaimer__list li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: var(--ink-3);
}

/* ---------- footer ---------- */
.site-footer {
  margin-top: var(--sp-5);
  padding: var(--sp-3);
  background: var(--surface);
  border-top: var(--border);
  font-size: var(--fs-caption);
  color: var(--ink-3);
}
.site-footer__inner {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}
.site-footer__sep { color: var(--ink-3); }

/* ---------- 印刷用 ---------- */
.print-only { display: none; }

@page { size: A4 portrait; margin: 12mm; }

@media print {
  /* 隠す: ヘッダーの電話以外の装飾、帯、入力パネル、次の一手、FAQ、比較表、アニメーション */
  .company-header__brand,
  .band,
  .input-panel,
  .next-steps,
  .faq,
  .field__range,
  .field__range-row,
  .compare,
  .ambient,
  .results__banner { display: none !important; }

  body { background: #fff; }
  .page__grid {
    grid-template-columns: 1fr;
    margin-top: 0;
  }
  .results { gap: var(--sp-3); }
  .hero-number {
    background: #fff;
    color: var(--ink);
    border: 2px solid var(--ink);
    box-shadow: none;
  }
  .hero-number__unit,
  .hero-number__num { color: var(--ink); }
  .hero-number__note { color: var(--ink-2); }
  .badge { background: var(--surface-dim); color: var(--ink); border: 1px solid var(--hairline); }
  .sub-metric, .breakdown, .compare, .points, .assumptions, .figure {
    box-shadow: none;
    border: 1px solid var(--hairline);
    page-break-inside: avoid;
  }
  .page { padding: 0; }

  .print-only { display: block; }
  .print-header-wrap {
    /* 印刷時のみ表示。ヘッダー情報（発行日・運営名）を右上に置く */
  }
  .print-header {
    text-align: right;
    font-size: var(--fs-caption);
    color: var(--ink-3);
    margin-bottom: var(--sp-2);
    padding-top: 4px;
  }
  .print-watermark {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotate(-24deg);
    font-size: 120px;
    opacity: .06;
    color: var(--ink);
    font-weight: 900;
    pointer-events: none;
    z-index: 0;
  }

  .print-input-list {
    display: block !important;
    margin-top: var(--sp-3);
    font-size: 8px;
  }
  .print-input-list table {
    width: 100%;
    border-collapse: collapse;
    font-size: 8px;
  }
  .print-input-list th,
  .print-input-list td {
    border-bottom: 1px solid var(--hairline);
    padding: 4px 6px;
    text-align: left;
  }
  .print-input-list th {
    background: var(--surface-dim);
    font-weight: 700;
    width: 30%;
  }
  .print-footer-note {
    display: block;
    margin-top: var(--sp-3);
    font-size: var(--fs-caption);
    color: var(--ink-3);
  }
}

/* 印刷時に表示する専用の要素（build時に app.js で挿入） */
.print-input-list { display: none; }
.print-footer-note { display: none; }

/* ---------- モバイル ---------- */
@media (max-width: 900px) {
  .page__grid {
    grid-template-columns: 1fr;
    margin-top: calc(-1 * 64px);
  }
  .panel {
    position: static;
    max-height: none;
    overflow: visible;
  }
  .panel__goto {
    display: flex;
  }
  .sub-metrics {
    grid-template-columns: 1fr;
  }
  .next-steps__grid {
    grid-template-columns: 1fr;
  }
  .assumptions__body {
    grid-template-columns: 1fr;
  }
}