:root {
  color-scheme: light;
  --color-background: #f7f8f7;
  --color-surface: #ffffff;
  --color-surface-subtle: #fafbfa;
  --color-primary: #28736d;
  --color-primary-hover: #225f5a;
  --color-primary-soft: #f1f5f4;
  --color-text-primary: #17212f;
  --color-text-secondary: #526173;
  --color-border: #d9dee3;
  --color-amount: #1f2937;
  --color-link: #1d5db8;
  --color-warning: #a16207;
  --color-danger: #b42318;
  --radius-small: 5px;
  --radius-medium: 8px;
  --radius-large: 10px;
  --shadow-card: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-float: 0 8px 22px rgba(15, 23, 42, 0.08);
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 14px;
  --space-lg: 22px;
  --space-xl: 32px;
  --bg: var(--color-background);
  --surface: var(--color-surface);
  --text: var(--color-text-primary);
  --muted: var(--color-text-secondary);
  --line: var(--color-border);
  --primary: var(--color-primary);
  --primary-strong: var(--color-primary-hover);
  --accent: var(--color-link);
  --warning: var(--color-warning);
  --danger: var(--color-danger);
  --shadow: var(--shadow-float);
}

* {
  box-sizing: border-box;
}

html {
  max-width: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
}

button,
input {
  font: inherit;
  max-width: 100%;
}

button {
  min-height: 44px;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color 140ms ease,
    border-color 140ms ease,
    color 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.62;
}

button:focus-visible,
input:focus-visible,
summary:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.28);
  outline-offset: 3px;
}

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--primary-strong);
}

.shell {
  width: 100%;
  max-width: 1072px;
  margin-inline: auto;
  padding-inline: 16px;
}

.app-header {
  padding: 38px 0 22px;
  background: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border);
}

.brand-link {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin-bottom: 6px;
  color: var(--primary-strong);
  font-weight: 780;
  text-decoration: none;
}

.eyebrow {
  margin: 0 0 7px;
  color: var(--primary-strong);
  font-size: clamp(1.375rem, 2.2vw, 1.7rem);
  font-weight: 780;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
  overflow-wrap: anywhere;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  font-weight: 850;
  line-height: 1.2;
  line-break: strict;
}

.header-lead {
  max-width: 42rem;
  margin: 12px 0 14px;
  color: #344255;
  font-size: 1.02rem;
}

.assurance-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  padding: 0;
  margin: 0;
  list-style: none;
}

.assurance-list li {
  padding: 4px 8px;
  color: var(--color-text-secondary);
  font-size: 0.86rem;
  font-weight: 600;
  background: #f3f5f4;
  border: 1px solid #e0e5e4;
  border-radius: var(--radius-small);
}

.assurance-list a {
  color: inherit;
  font: inherit;
  text-decoration: none;
}

.assurance-list a:hover,
.assurance-list a:focus-visible {
  color: var(--primary-strong);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.main-layout {
  padding: 24px 0 44px;
}

.target-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 30px;
  align-items: start;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: none;
}

.app-header,
.main-layout,
.target-panel,
.target-panel > *,
.diagnosis-form,
.results,
.result-summary,
.offer-list,
.offer-card,
.offer-card > *,
.details-content,
.note-group,
.fact-list,
.fact-row,
.fact-row dt,
.fact-row dd,
.card-actions {
  min-width: 0;
}

.target-panel,
.offer-card,
.result-summary {
  border-radius: var(--radius-large);
}

.support-text,
.meta-text,
.status-message,
.result-explainer,
.plan-approval-line,
.result-notice {
  color: var(--muted);
}

.diagnosis-form {
  display: grid;
  gap: 16px;
}

.preset-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.preset-button {
  min-width: 0;
}

.preset-button,
.exclude-button {
  background: var(--color-surface);
  border-color: var(--line);
  color: var(--text);
}

.preset-button:hover,
.exclude-button:hover {
  background: #f7f8f8;
  border-color: #c6ced3;
  color: var(--text);
}

.amount-label {
  font-weight: 700;
}

.amount-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
}

.amount-row input {
  width: 100%;
  min-height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-small);
  background: var(--color-surface);
}

.amount-unit {
  color: var(--muted);
  white-space: nowrap;
}

.primary-button,
.site-button {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--color-surface);
  font-weight: 700;
}

.primary-button:hover,
.site-button:hover {
  background: var(--primary-strong);
  border-color: var(--primary-strong);
  box-shadow: none;
}

.primary-button:active,
.site-button:active,
.preset-button:active,
.exclude-button:active {
  transform: translateY(1px);
}

.primary-button,
.preset-button,
.exclude-button,
.site-button {
  border-radius: var(--radius-small);
  padding: 10px 14px;
  overflow-wrap: anywhere;
}

.status-message,
.error-message {
  min-height: 1.5em;
  margin: 18px 0 0;
}

.status-message:empty,
.error-message:empty {
  min-height: 0;
  margin: 0;
}

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

.results {
  margin-top: 18px;
}

.result-summary {
  display: grid;
  gap: var(--space-sm);
  padding: 20px;
  background: var(--color-surface);
  border: 1px solid var(--line);
  box-shadow: none;
}

.result-summary h2 {
  margin-bottom: 8px;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  line-height: 1.35;
}

.total-line {
  margin-bottom: 0;
  color: var(--color-amount);
  font-size: 1.08rem;
  font-weight: 720;
}

.shortfall-line {
  margin-bottom: 0;
  color: var(--warning);
  font-weight: 700;
}

.result-explainer,
.plan-approval-line {
  margin-bottom: 0;
  font-size: 0.94rem;
}

.result-notice {
  display: grid;
  gap: 4px;
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.result-notice p {
  margin-bottom: 0;
}

.result-notice a {
  font-weight: 700;
}

.offer-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
  margin-top: 16px;
}

.offer-card {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: 18px;
  background: var(--color-surface);
  border: 1px solid var(--line);
  box-shadow: none;
}

.offer-card-header {
  display: grid;
  gap: 8px;
  align-items: start;
}

.offer-card h3 {
  margin-bottom: 0;
  font-size: 1.12rem;
  font-weight: 780;
  line-height: 1.35;
}

.category-badge {
  width: fit-content;
  max-width: 100%;
  padding: 3px 9px;
  color: var(--color-text-secondary);
  font-size: 0.8rem;
  font-weight: 650;
  background: var(--color-primary-soft);
  border: 1px solid #dde7e5;
  border-radius: var(--radius-small);
  overflow-wrap: anywhere;
}

.reward {
  margin-bottom: 0;
  color: var(--color-amount);
  font-size: 1.38rem;
  font-weight: 780;
  line-height: 1.2;
}

.surface-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.surface-meta span {
  min-width: 0;
}

.surface-meta span + span::before {
  display: inline-block;
  width: 1px;
  height: 0.95em;
  margin-right: 10px;
  vertical-align: -0.12em;
  background: var(--line);
  content: "";
}

.details-block {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.details-block summary {
  cursor: pointer;
  color: var(--color-link);
  font-weight: 700;
  overflow-wrap: anywhere;
}

.details-block summary:hover {
  color: var(--primary-strong);
}

.details-content {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.note-group h4 {
  margin: 0 0 4px;
  font-size: 0.95rem;
}

.note-group p {
  margin-bottom: 0;
  color: #344255;
  overflow-wrap: anywhere;
}

.details-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.card-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  gap: 10px;
  margin-top: 2px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--color-surface-subtle);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: center;
  justify-content: space-between;
  padding-block: 18px;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.footer-inner a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  font-weight: 700;
}

.footer-inner p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.legal-header {
  padding-bottom: 28px;
}

.legal-page {
  padding: 28px 0 48px;
}

.legal-content {
  max-width: 760px;
  padding: 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-large);
}

.legal-content section + section {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.legal-content h2 {
  margin-bottom: 10px;
  font-size: 1.18rem;
  line-height: 1.35;
}

.legal-content p:last-child {
  margin-bottom: 0;
}

@media (max-width: 720px) {
  .shell {
    padding-inline: 12px;
  }

  .app-header {
    padding-top: 28px;
  }

  .target-panel {
    width: 100%;
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
    padding: 18px;
  }

  .diagnosis-form,
  .primary-button {
    width: 100%;
  }

  .preset-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preset-button {
    width: 100%;
  }

  .preset-button:last-child {
    grid-column: 1 / -1;
  }

  .amount-row,
  .card-actions {
    grid-template-columns: minmax(0, 1fr);
  }

  .amount-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .offer-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .offer-card {
    width: 100%;
    padding: 16px;
  }

  .surface-meta {
    gap: 3px 8px;
  }
}