:root {
  --bg: #f6f4ef;
  --ink: #11100f;
  --muted: #6f6a63;
  --line: #ded8ce;
  --panel: #ffffff;
  --panel-soft: #fbfaf7;
  --accent: #ff631f;
  --accent-dark: #ba3f10;
  --living-bg: #f3f7f4;
  --living-line: #cadbcf;
  --result-bg: #f7f4ee;
  --compare-bg: #f3f5f8;
  --compare-line: #cfd8e4;
  --green: #156b4f;
  --blue: #315b8f;
  --shadow: 0 20px 60px rgba(34, 28, 20, 0.1);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.shell {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 36px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.top-actions a {
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: -8px 0 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--ink);
}

.breadcrumb a::after {
  content: ">";
  margin-left: 6px;
  color: #a49d92;
}

.breadcrumb span {
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 4px;
  font-size: 20px;
  line-height: 1.15;
  letter-spacing: 0;
}

.status-pill,
.origin-chip,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
}

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

.trust-strip {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid rgba(255, 99, 31, 0.28);
  border-radius: 8px;
  background: #fff7f1;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.trust-strip strong {
  color: var(--ink);
}

.step-card,
.result-panel,
.compare-panel {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.step-card {
  padding: 16px;
}

.dual-search-card {
  background: #fffdf8;
}

.dual-search-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 12px;
}

.search-column {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.search-column.is-primary {
  border-color: rgba(255, 99, 31, 0.24);
  background: #fff7f1;
}

.column-head {
  min-height: 76px;
  margin-bottom: 12px;
}

.column-head h3 {
  margin: 0 0 6px;
  font-size: 20px;
  line-height: 1.15;
}

.column-head p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.living-cost-card {
  border-color: var(--living-line);
  background: var(--living-bg);
  box-shadow: 0 14px 40px rgba(38, 75, 52, 0.08);
}

.optional-step-card {
  background: #fbfaf7;
  box-shadow: 0 12px 34px rgba(34, 28, 20, 0.06);
}

.optional-label {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-left: 6px;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  vertical-align: middle;
}

.step-head {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-bottom: 14px;
}

.step-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

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

.auxiliary-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.step-number {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 15px;
  font-weight: 900;
}

.segment {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  width: 100%;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.segment-button {
  min-height: 48px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  font-weight: 850;
}

.segment-button.is-active {
  background: var(--ink);
  color: #fff;
}

.search-box {
  display: grid;
  gap: 8px;
  width: 100%;
}

.search-box span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.search-box input,
.search-box select {
  width: 100%;
  min-height: 58px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  background: #fff;
  color: var(--ink);
  font-size: 18px;
  font-weight: 750;
}

.search-box input:focus,
.search-box select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 99, 31, 0.14);
}

.search-box input:disabled {
  color: #9d978e;
  background: #efebe4;
}

.input-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.input-grid label {
  display: grid;
  gap: 8px;
}

.input-grid span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.input-grid input {
  width: 100%;
  min-height: 50px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.living-cost-card .input-grid input {
  border-color: var(--living-line);
}

.input-grid input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(255, 99, 31, 0.14);
  outline: none;
}

.option-card {
  width: 100%;
  max-height: 360px;
  margin-top: 10px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.option-section {
  padding: 8px;
}

.option-section + .option-section {
  border-top: 1px solid var(--line);
}

.option-section-title {
  margin: 2px 4px 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.list-item {
  width: 100%;
  min-height: 58px;
  margin-bottom: 6px;
  padding: 11px 12px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.list-item:hover,
.list-item.is-active {
  border-color: var(--line);
  background: #fff;
}

.list-item.is-active {
  box-shadow: inset 4px 0 0 var(--accent);
}

.item-title {
  display: block;
  overflow-wrap: anywhere;
  font-size: 15px;
  font-weight: 850;
  line-height: 1.25;
}

.item-meta {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
}

.list-limit-note {
  padding: 10px 12px 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.4;
}

.empty-state,
.result-empty {
  padding: 24px;
  color: var(--muted);
}

.result-empty h2 {
  max-width: 640px;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 28px;
}

.result-panel {
  border-color: #d8c9b4;
  background: var(--result-bg);
}

.result-content {
  padding: 18px;
}

.is-hidden {
  display: none;
}

.result-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.result-title-row h2 {
  font-size: 28px;
  overflow-wrap: anywhere;
}

.result-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.result-list {
  display: grid;
  gap: 10px;
  padding-top: 14px;
}

.result-card {
  border: 1px solid #d8c9b4;
  border-radius: 8px;
  background: #fffdf8;
}

.result-card-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.campus-name {
  margin-bottom: 4px;
  font-size: 16px;
  font-weight: 900;
}

.campus-location,
.note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.price {
  align-self: start;
  min-width: 170px;
  padding: 10px;
  border-radius: 8px;
  background: #fff;
  text-align: right;
}

.price strong {
  display: block;
  font-size: 24px;
  line-height: 1.1;
}

.price span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.price.is-na {
  color: var(--accent-dark);
  text-align: left;
}

.result-card-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 12px 14px;
}

.cost-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.cost-grid div {
  min-height: 88px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.cost-grid span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.cost-grid strong {
  display: block;
  font-size: 19px;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.legal-note {
  background: #fff;
}

.compare-panel {
  padding: 16px;
  border-color: var(--compare-line);
  background: var(--compare-bg);
  box-shadow: 0 14px 40px rgba(40, 62, 88, 0.08);
}

.compare-head {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
}

.compare-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.primary-action,
.ghost-action {
  min-height: 42px;
  border-radius: 8px;
  font-weight: 850;
}

.primary-action {
  padding: 0 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
}

.primary-action:disabled {
  cursor: not-allowed;
  border-color: var(--compare-line);
  background: #dfe5ec;
  color: #7c8794;
}

.ghost-action {
  min-height: 34px;
  padding: 0 10px;
  border: 1px solid var(--compare-line);
  background: #fff;
  color: var(--muted);
  font-size: 12px;
}

.comparison-empty {
  margin-top: 14px;
  padding: 18px;
  border: 1px dashed var(--compare-line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.62);
  color: var(--muted);
  font-size: 14px;
  font-weight: 750;
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.comparison-card {
  padding: 14px;
  border: 1px solid var(--compare-line);
  border-radius: 8px;
  background: #fff;
}

.comparison-card.is-current {
  border-color: rgba(49, 91, 143, 0.34);
  background: #fbfdff;
  box-shadow: inset 0 0 0 1px rgba(49, 91, 143, 0.08);
}

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

.comparison-index {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: #e8eef6;
  color: #29496e;
  font-weight: 900;
}

.current-chip {
  min-height: 34px;
  padding: 8px 10px;
  border: 1px solid rgba(49, 91, 143, 0.22);
  border-radius: 8px;
  background: #eef4fb;
  color: #315b8f;
  font-size: 12px;
  font-weight: 850;
}

.comparison-card h3 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.15;
}

.comparison-meta,
.comparison-foot {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.4;
}

.comparison-price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.comparison-price-grid div {
  min-height: 74px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
}

.comparison-price-grid span {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.comparison-price-grid strong {
  display: block;
  font-size: 16px;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.info-grid a {
  min-height: 110px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel-soft);
  color: var(--ink);
  text-decoration: none;
}

.info-grid strong,
.info-grid span {
  display: block;
}

.info-grid strong {
  margin-bottom: 8px;
  font-size: 15px;
}

.info-grid span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.content-page {
  display: grid;
  gap: 14px;
}

.content-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.content-card h2 {
  margin-top: 20px;
}

.content-card ul {
  margin: 8px 0 0;
  padding-left: 20px;
  color: var(--muted);
  line-height: 1.55;
}

.content-card a {
  color: var(--ink);
  font-weight: 850;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin-top: 18px;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.45;
}

.site-footer div,
.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

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

.site-footer a {
  color: var(--muted);
  font-weight: 800;
  text-decoration: none;
}

.badge.high {
  color: var(--green);
  border-color: rgba(21, 107, 79, 0.25);
}

.badge.medium {
  color: var(--blue);
  border-color: rgba(49, 91, 143, 0.25);
}

.badge.not_applicable {
  color: var(--accent-dark);
  border-color: rgba(255, 99, 31, 0.28);
}

.source-link {
  color: var(--ink);
  font-size: 13px;
  font-weight: 850;
  text-decoration: none;
  border-bottom: 1px solid var(--ink);
}

@media (max-width: 720px) {
  .shell {
    width: min(100% - 20px, 1040px);
    padding-top: 14px;
  }

  .topbar,
  .site-footer,
  .result-title-row,
  .result-card-main,
  .compare-head,
  .dual-search-grid,
  .input-grid,
  .cost-grid,
  .comparison-grid,
  .comparison-price-grid,
  .info-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .trust-strip {
    display: grid;
  }

  .price {
    min-width: 0;
    text-align: left;
  }
}