:root {
  color-scheme: light;
  --bg: #f4f6f5;
  --paper: #ffffff;
  --ink: #16211d;
  --muted: #5d6d66;
  --line: #d6ded9;
  --accent: #0d6f5b;
  --accent-strong: #075341;
  --accent-soft: #e5f3ee;
  --source-soft: #f6f0e3;
  --source-line: #dfd0ae;
  --source-ink: #675429;
  --ink-soft: #2b3a35;
  --success: #116a4d;
  --warning: #9a5b00;
  --danger: #b42318;
  --surface: #edf4f1;
  --surface-strong: #dcebe5;
  --shadow: 0 18px 42px rgba(21, 43, 35, 0.08);
  --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #eef5f1 0, var(--bg) 360px),
    var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

a {
  color: var(--accent);
}

.site-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 12px clamp(18px, 4vw, 48px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.95rem;
}

.nav a:not(.button) {
  color: var(--muted);
  text-decoration: none;
}

.main {
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 56px;
  flex: 1;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(320px, 430px);
  gap: clamp(28px, 4vw, 52px);
  align-items: center;
  min-height: auto;
  padding: clamp(38px, 6vh, 72px) 0 24px;
}

.panel,
.tool-panel {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: clamp(18px, 3vw, 28px);
  box-shadow: var(--shadow);
}

.panel.compact {
  padding: 18px;
}

.eyebrow {
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.9rem;
  margin: 0 0 8px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2rem, 4.3vw, 3.55rem);
  margin: 0 0 14px;
}

.panel h1,
.tool-panel h1 {
  font-size: clamp(1.85rem, 3vw, 2.65rem);
}

.results-panel #result-title {
  font-size: clamp(1.85rem, 3vw, 2.65rem);
  line-height: 1.25;
  margin: 0 0 14px;
}

.hero-copy h1 {
  max-width: 11em;
  font-size: clamp(2.25rem, 4vw, 3.25rem);
  line-height: 1.18;
  word-break: keep-all;
  overflow-wrap: normal;
}

h2 {
  font-size: 1.35rem;
  margin: 0 0 12px;
}

h3 {
  font-size: 1.05rem;
  margin: 0 0 8px;
}

.nowrap {
  white-space: nowrap;
}

#result-title {
  scroll-margin-top: 18px;
}

p {
  margin: 0 0 14px;
}

.lead {
  color: var(--muted);
  font-size: 1.06rem;
  max-width: 68ch;
}

.trust-strip,
.tool-note-grid,
.privacy-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
}

.trust-strip span,
.tool-note-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 11px;
  border: 1px solid #c7ddd4;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-strong);
  font-size: 0.92rem;
  font-weight: 700;
}

.source-status {
  margin: 14px 0 0;
  padding: 10px 12px;
  border: 1px solid var(--source-line);
  border-radius: var(--radius);
  background: var(--source-soft);
  color: var(--source-ink);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.55;
}

.source-status a {
  display: inline-block;
  margin-left: 0.7em;
  color: var(--accent-strong);
  font-weight: 800;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.actions.compact-actions {
  margin-top: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: var(--radius);
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.button:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button.secondary {
  background: var(--paper);
  color: var(--accent);
}

.button.danger {
  background: var(--paper);
  color: var(--danger);
  border-color: #e0a7a0;
}

.actions.field.full {
  display: flex;
  margin-top: 10px;
}

.actions.field.full .button.danger {
  width: 100%;
  min-height: 44px;
  font-size: 0.98rem;
}

.button:disabled {
  background: #b8c5cd;
  border-color: #b8c5cd;
  cursor: not-allowed;
}

.hero-copy {
  max-width: 680px;
}

.hero-visual {
  background: linear-gradient(145deg, #ffffff, #eef7f3);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.mini-browser {
  display: grid;
  gap: 14px;
  border-radius: var(--radius);
  border: 1px solid #c9d8d2;
  background: #fff;
  padding: 14px;
}

.mini-bar {
  display: flex;
  gap: 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.mini-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #b9c8c2;
}

.mini-total {
  display: grid;
  gap: 4px;
  padding: 18px;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
}

.mini-total span {
  opacity: 0.86;
}

.mini-total strong {
  font-size: 2rem;
}

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

.mini-grid div {
  display: grid;
  gap: 4px;
  min-height: 86px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface);
}

.mini-grid span {
  color: var(--muted);
  font-size: 0.86rem;
}

.preview {
  display: grid;
  gap: 12px;
}

.preview-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface);
}

.preview-row strong {
  white-space: nowrap;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 0;
}

.section-grid .panel {
  padding: 18px;
}

.step-number {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-bottom: 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.check-list {
  padding-left: 1.2rem;
  margin: 0;
}

.check-list li {
  margin-bottom: 8px;
}

.disclaimer-layout {
  display: grid;
  grid-template-columns: minmax(0, 900px);
  justify-content: center;
  align-items: start;
}

.legal-layout {
  width: min(940px, calc(100% - 32px));
}

.explain-layout {
  width: min(1000px, calc(100% - 32px));
  margin: 0 auto;
}

.legal-panel {
  max-width: 900px;
  margin: 0 auto;
}

.legal-panel h1 {
  max-width: 13em;
  font-size: clamp(2rem, 4vw, 3rem);
  word-break: keep-all;
  overflow-wrap: normal;
}

.legal-panel h2,
.legal-panel p,
.legal-panel .lead {
  max-width: 70ch;
}

.check-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.check-card {
  min-height: 150px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.check-card span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--accent-strong);
  font-weight: 800;
}

.check-card strong {
  display: block;
  margin-bottom: 6px;
}

.check-card p {
  color: var(--muted);
  margin: 0;
}

.consent-box {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.checkbox-line {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.98rem;
  line-height: 1.6;
}

.checkbox-line.field {
  display: flex;
  gap: 10px;
}

.checkbox-line.subtle-check {
  margin-top: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-weight: 700;
}

.checkbox-line input {
  margin-top: 0.35rem;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  background: #f2e5c8;
  color: var(--warning);
  font-weight: 700;
  font-size: 0.85rem;
}

.tool-layout {
  display: grid;
  grid-template-columns: minmax(390px, 0.86fr) minmax(420px, 1.14fr);
  gap: 22px;
  align-items: start;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-grid.inner {
  margin: 0;
}

.field {
  display: grid;
  gap: 6px;
  align-content: start;
}

.field.full {
  grid-column: 1 / -1;
}

label {
  font-weight: 700;
}

.label-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.label-row label {
  min-width: 0;
  font-size: 1.02rem;
  line-height: 1.45;
}

.help-link {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border: 1px solid #bfd2ca;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 800;
  line-height: 1;
  text-decoration: none;
}

.help-link:hover,
.help-link:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

input[type="text"],
input[type="number"],
input[data-money] {
  width: 100%;
  height: 42px;
  min-height: 42px;
  border: 1px solid #aebdb6;
  border-radius: var(--radius);
  padding: 8px 10px;
  font: inherit;
  background: #fff;
}

input[data-money] {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[data-money]:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(13, 111, 91, 0.14);
}

.input-group {
  grid-column: 1 / -1;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
  overflow: hidden;
}

.input-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

.input-group summary::-webkit-details-marker {
  display: none;
}

.input-group summary span {
  color: var(--accent-strong);
  font-weight: 800;
}

.input-group summary .group-count {
  margin-left: auto;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 0.78rem;
  white-space: nowrap;
}

.input-group summary .group-count.is-active {
  border-color: var(--source-line);
  background: var(--source-soft);
  color: var(--source-ink);
}

.input-group summary small {
  color: var(--muted);
  font-weight: 700;
}

.input-group summary::after {
  content: "開く";
  flex: none;
  min-width: 44px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--accent-strong);
  font-size: 0.78rem;
  font-weight: 800;
  text-align: center;
}

.input-group[open] summary {
  border-bottom: 1px solid var(--line);
}

.input-group[open] summary::after {
  content: "閉じる";
}

.input-group .form-grid.inner {
  grid-template-columns: 1fr;
  gap: 18px;
  padding: 16px;
}

.group-note {
  grid-column: 1 / -1;
  margin: 0;
  padding: 14px 16px 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.field small,
.muted {
  color: var(--muted);
}

.field small {
  max-width: 62ch;
  font-size: 0.9rem;
  line-height: 1.55;
}

.field-error {
  color: var(--danger);
  font-weight: 700;
}

input[aria-invalid="true"] {
  border-color: var(--danger);
  background: #fff8f7;
}

.error-state {
  border-color: #d8a19c;
  background: #fff8f7;
}

.error-state strong {
  color: var(--danger);
}

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

.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.summary-card {
  display: grid;
  gap: 5px;
  min-width: 0;
  min-height: 132px;
  padding: 16px;
  border: 1px solid #c5d9d2;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #ffffff 0%, #f6fbf8 100%);
}

.summary-card span {
  min-width: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.summary-card strong {
  min-width: 0;
  align-self: end;
  font-size: clamp(1.5rem, 2.3vw, 1.95rem);
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  overflow-wrap: anywhere;
}

.summary-card small {
  min-width: 0;
  color: var(--muted);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.empty-state {
  display: grid;
  gap: 8px;
  padding: 18px;
  border: 1px dashed #b7cbc2;
  border-radius: var(--radius);
  background: #f7fbf9;
}

.empty-state strong {
  color: var(--accent-strong);
  font-size: 1.08rem;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
}

.summary-card.pay {
  border-color: #d5b58c;
  background: #fff8ed;
}

.summary-card.refund {
  border-color: #b9d8ce;
  background: #eff8f4;
}

.result-details {
  margin-top: 14px;
}

.result-actions {
  display: flex;
  justify-content: flex-end;
  margin: -2px 0 12px;
}

.result-details summary {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  margin-bottom: 12px;
  color: var(--accent-strong);
  font-weight: 800;
  cursor: pointer;
}

.result-row {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.result-row span {
  min-width: 0;
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.result-row strong {
  min-width: 0;
  font-size: clamp(1.08rem, 1.7vw, 1.3rem);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.result-row small {
  min-width: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.result-row.emphasis {
  border-color: #d6bd93;
  background: #fff8ed;
}

.notice-list {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius);
  background: #edf6f1;
  border: 1px solid #c5e3d4;
}

.effect-panel {
  display: grid;
  gap: 14px;
  margin: 14px 0 16px;
  padding: 16px;
  border: 1px solid #bddbcf;
  border-radius: var(--radius);
  background: #f3faf6;
}

.effect-panel.muted {
  background: #f9fbfc;
  border-color: var(--line);
}

.section-heading {
  display: grid;
  gap: 4px;
}

.section-heading h2,
.effect-panel h2 {
  margin: 0;
}

.section-heading p,
.effect-panel p {
  margin: 0;
  color: var(--muted);
}

.effect-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.effect-row {
  display: grid;
  gap: 4px;
  min-width: 0;
  padding: 12px;
  border: 1px solid #c8ded6;
  border-radius: var(--radius);
  background: #fff;
}

.effect-row span {
  min-width: 0;
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.effect-row strong {
  min-width: 0;
  font-size: clamp(1.08rem, 1.7vw, 1.22rem);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.effect-row small,
.effect-note {
  color: var(--muted);
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}

.tax-method-panel {
  background: #f7fbf9;
}

.scenario-list {
  display: grid;
  gap: 10px;
}

.scenario-card {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 14px;
  border: 1px solid #c8ded6;
  border-radius: var(--radius);
  background: #fff;
}

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

.scenario-title h3 {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}

.scenario-title span {
  flex: none;
  min-width: 64px;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
  text-align: center;
}

.scenario-title span.good {
  background: #e8f6ee;
  color: var(--success);
}

.scenario-title span.warn {
  background: #fff4df;
  color: var(--warning);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.scenario-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.notice-list.muted {
  background: #f9fbfc;
  border-color: var(--line);
}

.notice-list ul {
  margin: 0;
  padding-left: 1.2rem;
}

.content-band {
  display: grid;
  gap: 16px;
  padding: clamp(20px, 3vw, 30px) 0;
}

.explain-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.explain-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid #c7ddd4;
  border-radius: 999px;
  background: #fff;
  color: var(--accent-strong);
  font-size: 0.9rem;
  font-weight: 800;
  text-decoration: none;
}

.strong-status {
  font-weight: 800;
}

.explain-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.explain-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  table-layout: fixed;
}

.explain-table th,
.explain-table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.explain-table thead th {
  background: var(--surface);
  color: var(--accent-strong);
  font-size: 0.9rem;
}

.explain-table tbody th {
  width: 20%;
  color: var(--ink);
  font-weight: 800;
}

.explain-table tbody tr:last-child th,
.explain-table tbody tr:last-child td {
  border-bottom: 0;
}

.formula-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.formula-card {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.formula-card h3,
.formula-card p {
  margin: 0;
}

.formula-card h3 {
  color: var(--accent-strong);
  font-size: 1rem;
}

.formula-card p {
  color: var(--muted);
  font-size: 0.94rem;
}

code {
  padding: 1px 5px;
  border: 1px solid var(--source-line);
  border-radius: 6px;
  background: var(--source-soft);
  color: var(--source-ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  white-space: normal;
}

.tool-span {
  grid-column: 1 / -1;
  justify-self: center;
  width: min(100%, 1120px);
}

.content-band .section-heading {
  display: grid;
  gap: 5px;
  max-width: 780px;
}

.content-band .section-heading p {
  max-width: 70ch;
}

.guide-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
  gap: 14px;
}

.guide-step {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.guide-step span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-weight: 800;
}

.guide-step h3,
.scope-list h3 {
  margin: 0;
}

.guide-step p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.scope-band {
  border-top: 1px solid var(--line);
}

.scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}

.scope-list {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.scope-list.muted h3 {
  color: var(--muted);
}

.scope-list ul {
  margin: 0;
  padding-left: 1.2rem;
}

.scope-list li {
  margin: 0 0 7px;
  line-height: 1.65;
}

.source-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(240px, 1fr));
  gap: 12px;
  align-items: start;
}

.source-group {
  display: grid;
  gap: 10px;
  min-width: 0;
  min-height: 100%;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.source-group h3,
.contact-panel h2 {
  margin: 0;
}

.source-group ul,
.contact-panel p,
.contact-box p,
.contact-note p {
  margin: 0;
}

.source-group ul {
  display: grid;
  gap: 8px;
  padding-left: 1rem;
}

.source-group a {
  color: var(--accent-strong);
  font-weight: 700;
  line-height: 1.55;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.contact-panel {
  display: grid;
  gap: 14px;
  max-width: 920px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.contact-lead {
  color: var(--muted);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(240px, 0.9fr) minmax(0, 1.1fr);
  gap: 12px;
}

.contact-box,
.contact-note {
  display: grid;
  gap: 6px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.contact-box span,
.contact-note span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 800;
}

.contact-address {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  color: var(--accent-strong);
  font-size: 1.05rem;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.contact-note p,
.contact-limits {
  color: var(--muted);
  line-height: 1.65;
}

.footnote {
  margin-top: 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.results-panel {
  align-self: start;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.86);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(160px, 0.8fr) minmax(260px, 1fr);
  gap: 10px 24px;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.footer-brand {
  display: grid;
  gap: 2px;
}

.footer-brand strong {
  color: var(--ink);
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 16px;
}

.footer-inner a {
  color: var(--accent-strong);
  font-weight: 700;
  text-decoration: none;
}

.footer-inner p {
  grid-column: 1 / -1;
  margin: 0;
}

.side-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-list li {
  padding: 10px 12px;
  border-radius: var(--radius);
  background: var(--surface);
  font-weight: 700;
}

.privacy-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  margin: 20px 0 26px;
}

.quick-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 20px 0;
}

.privacy-summary div,
.quick-summary div {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfd;
}

.privacy-summary strong,
.quick-summary strong {
  color: var(--accent-strong);
}

.privacy-summary span,
.quick-summary span {
  color: var(--muted);
  font-size: 0.92rem;
}

.mobile-summary {
  display: none;
}

@media (max-width: 860px) {
  .intro,
  .disclaimer-layout,
  .tool-layout,
  .section-grid,
  .summary-grid,
  .privacy-summary,
  .quick-summary,
  .guide-steps,
  .scope-grid,
  .source-grid,
  .formula-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

  .intro {
    min-height: auto;
    padding-top: 34px;
  }

  .results-panel {
    position: static;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-inner nav {
    justify-content: flex-start;
  }

  .mobile-summary {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: 12px;
    z-index: 20;
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 12px 14px;
    border: 1px solid #bdd6cc;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 34px rgba(16, 35, 29, 0.2);
  }

  .mobile-summary[hidden] {
    display: none;
  }

  .mobile-summary span {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 700;
  }

  .mobile-summary strong {
    font-size: 1.18rem;
  }

  .mobile-summary a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: var(--radius);
    background: var(--accent);
    color: #fff;
    font-weight: 800;
    text-decoration: none;
  }

  body:has(.mobile-summary:not([hidden])) {
    padding-bottom: 74px;
  }

  body:has(input:focus) .mobile-summary {
    display: none;
  }
}

@media (max-width: 620px) {
  .form-grid,
  .form-grid.inner,
  .result-grid,
  .effect-grid,
  .scenario-grid,
  .check-card-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  h1,
  .hero-copy h1 {
    font-size: 2.02rem;
  }

  .actions .button,
  .consent-box .button {
    width: 100%;
  }

  .nav .button {
    width: auto;
    min-height: 36px;
    padding: 0 12px;
  }

  .main {
    width: min(100% - 24px, 1160px);
    padding-top: 24px;
  }

  .explain-layout {
    width: min(100% - 24px, 1000px);
  }

  .explain-table {
    min-width: 680px;
  }

  .tool-panel,
  .panel {
    padding: 16px;
  }

  .input-group summary {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .input-group summary .group-count {
    margin-left: 0;
  }

  .input-group summary::after {
    align-self: flex-start;
  }

  .label-row label {
    font-size: 1rem;
  }

  .checkbox-line {
    font-size: 0.94rem;
  }
}