:root {
  --page-bg: #f7f8fa;
  --surface: #ffffff;
  --surface-soft: #f1f4f7;
  --text: #17212b;
  --text-soft: #56616d;
  --line: #dde3e8;
  --brand: #123c69;
  --brand-dark: #0a2a4c;
  --accent: #1769aa;
  --max-width: 820px;
  --wide-width: 1120px;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--page-bg);
  color: var(--text);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "Helvetica Neue",
    Arial,
    "Noto Sans JP",
    sans-serif;
  font-size: 17px;
  line-height: 1.7;
}

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

a:hover {
  color: var(--brand-dark);
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.site-header-inner {
  width: min(calc(100% - 32px), var(--wide-width));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-brand {
  color: var(--brand);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-decoration: none;

  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}
.site-brand-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  margin-right: 0.1rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.93rem;
}

.site-nav a {
  color: var(--text-soft);
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--text);
}

.site-main {
  width: min(calc(100% - 32px), var(--wide-width));
  margin: 0 auto;
  padding: 56px 0 80px;
}

.question-page {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.question-meta {
  margin-bottom: 12px;
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.button-icon {
  width: 20px;
  height: 20px;
  flex: 0 0 auto;
}

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

h1 {
  margin: 0 0 26px;
  font-size: clamp(2rem, 5vw, 3.15rem);
  letter-spacing: -0.035em;
}

h2 {
  margin: 0 0 18px;
  font-size: 1.35rem;
}

h3 {
  margin: 7px 0 0;
  font-size: 1.04rem;
}

.direct-answer {
  margin: 0 0 42px;
  font-size: 1.16rem;
  line-height: 1.75;
}

.answer-section {
  margin: 0 0 28px;
  padding: 28px 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.answer-section-muted {
  background: var(--surface-soft);
}

.answer-section ul {
  margin: 0;
  padding-left: 1.25rem;
}

.answer-section li + li {
  margin-top: 10px;
}

.question-language {
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.home-hero {
  width: min(100%, 900px);
  padding: 44px 0 58px;
}

.home-hero .eyebrow {
  margin-bottom: 14px;
  color: var(--brand);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.home-hero h1 {
  max-width: 800px;
  margin-bottom: 22px;
}

.home-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--text-soft);
  font-size: 1.14rem;
}

.home-section {
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.section-note {
  color: var(--text-soft);
}

.category-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.category-card {
  min-height: 130px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.category-number {
  color: var(--text-soft);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.site-footer {
  background: var(--brand-dark);
  color: #ffffff;
}

.site-footer nav {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-footer-inner {
  width: min(calc(100% - 32px), var(--wide-width));
  margin: 0 auto;
  padding: 34px 0;
}

.footer-brand {
  margin-bottom: 8px;
  font-weight: 800;
}

.footer-note {
  max-width: 720px;
  margin: 0;
  color: rgba(255,255,255,0.75);
  font-size: 0.88rem;
}

@media (max-width: 820px) {
  .category-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  body {
    font-size: 16px;
  }

  .site-header-inner {
    min-height: 60px;
  }

  .site-nav {
    gap: 14px;
    font-size: 0.85rem;
  }

  .site-main {
    padding-top: 38px;
  }

  .answer-section {
    padding: 22px 20px;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }

  .category-card {
    min-height: auto;
  }
}

.category-card {
  color: var(--text);
  text-decoration: none;
  transition:
    border-color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

.category-card:hover {
  color: var(--text);
  border-color: #b9c5cf;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(23, 33, 43, 0.06);
}

.category-page {
  width: min(100%, 900px);
  margin: 0 auto;
}

.category-heading {
  margin-bottom: 38px;
}

.category-heading .eyebrow {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.category-count {
  margin: -8px 0 0;
  color: var(--text-soft);
}

.question-list {
  border-top: 1px solid var(--line);
}

.question-list-item {
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
}

.question-list-item a {
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}

.question-list-item a:hover {
  color: var(--accent);
}

.home-search {
  width: min(100%, 900px);
  margin-bottom: 52px;
  padding: 30px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.home-search h2 {
  margin-bottom: 20px;
}

.home-search .pagefind-ui {
  --pagefind-ui-scale: 1;
  --pagefind-ui-primary: var(--brand);
  --pagefind-ui-text: var(--text);
  --pagefind-ui-background: var(--surface);
  --pagefind-ui-border: var(--line);
  --pagefind-ui-border-width: 1px;
  --pagefind-ui-border-radius: 10px;
  --pagefind-ui-font: inherit;
}

@media (max-width: 560px) {
  .home-search {
    padding: 20px;
  }
}

.footer-nav {
  margin-top: 14px;
}

.footer-nav a {
  color: rgba(255,255,255,0.78);
  font-size: 0.86rem;
}

.footer-nav a:hover {
  color: #ffffff;
}

.legal-page {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.legal-page p {
  margin: 0 0 22px;
}

.tdu-landing-page {
  width: min(100%, 920px);
  margin: 0 auto;
}

.tdu-landing-heading {
  margin-bottom: 48px;
}

.tdu-landing-heading .eyebrow {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.tdu-landing-intro {
  max-width: 760px;
  margin: 0 0 12px;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.tdu-landing-count {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.tdu-question-group {
  margin: 0 0 48px;
}

.tdu-question-group h2 a {
  color: var(--text);
  text-decoration: none;
}

.tdu-question-group h2 a:hover {
  color: var(--accent);
}

.institution-note {
  margin-top: 58px;
  padding: 24px 26px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--text-soft);
  font-size: 0.92rem;
}

.institution-note strong {
  color: var(--text);
}

.institution-note p {
  margin: 8px 0 0;
}

.tdu-route {
  margin: 42px 0 0;
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.tdu-route-label {
  margin-bottom: 5px;
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tdu-route > a {
  display: inline-block;
  color: var(--brand);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
}

.tdu-route > a:hover {
  color: var(--accent);
}

.tdu-route p {
  margin: 7px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.study-picker,
.speciality-page {
  width: min(100%, 920px);
  margin: 0 auto;
}

.study-picker .eyebrow,
.speciality-heading .eyebrow {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.study-intro {
  max-width: 720px;
  margin: 0 0 36px;
  color: var(--text-soft);
  font-size: 1.08rem;
}

.subject-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.subject-card {
  min-height: 112px;
  padding: 22px;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--text);
  text-decoration: none;
}

.subject-card:hover {
  color: var(--accent);
  border-color: #b9c5cf;
}

.subject-card h2 {
  margin: 0;
  font-size: 1.05rem;
}

.speciality-heading {
  margin-bottom: 38px;
}

.speciality-count {
  margin: -8px 0 0;
  color: var(--text-soft);
}

.study-route {
  margin: 42px 0 0;
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 13px;
}

.study-route-label {
  margin-bottom: 5px;
  color: var(--text-soft);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.study-route > a {
  display: inline-block;
  color: var(--brand);
  font-size: 1.08rem;
  font-weight: 700;
  text-decoration: none;
}

.study-route p {
  margin: 7px 0 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

@media (max-width: 820px) {
  .subject-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .subject-grid {
    grid-template-columns: 1fr;
  }
}

.study-entry {
  width: min(100%, 900px);
  margin: 0 0 52px;
  padding: 28px 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.study-entry .eyebrow {
  margin-bottom: 6px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.study-entry h2 {
  margin-bottom: 8px;
}

.study-entry p {
  max-width: 650px;
  margin: 0;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.study-entry-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;

  padding: 11px 17px;
  background: var(--brand);
  border-radius: 9px;
  color: #ffffff;
  font-weight: 700;
  text-decoration: none;
}

.study-entry-link:hover {
  background: var(--brand-dark);
  color: #ffffff;
}

@media (max-width: 680px) {
  .study-entry {
    align-items: flex-start;
    flex-direction: column;
    gap: 20px;
  }
}

.not-found {
  width: min(100%, 720px);
  margin: 80px auto;
}

.not-found .eyebrow {
  margin-bottom: 10px;
  color: var(--brand);
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.not-found p {
  color: var(--text-soft);
  font-size: 1.05rem;
}

.not-found-actions {
  margin-top: 28px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

.not-found-actions > a:not(.study-entry-link) {
  font-weight: 700;
}

/* Admissions-route guidance */
.route-guidance {
  background: var(--surface-soft);
}

.route-guidance > h2 {
  margin-bottom: 20px;
}

.route-guidance-part + .route-guidance-part {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.route-guidance-part h3 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.route-guidance-part p {
  margin: 0;
  line-height: 1.7;
}

@media (max-width: 560px) {
  .route-guidance {
    padding: 22px 20px;
  }
}

/* Official evidence shown with route-specific guidance */
.route-guidance-sources {
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.route-guidance-sources h3 {
  margin: 0 0 10px;
}

.route-guidance-sources ul {
  margin: 0;
  padding-left: 1.25rem;
}

.route-guidance-sources li + li {
  margin-top: 7px;
}

.route-guidance-sources a {
  color: var(--brand);
}

.source-authority,
.source-year {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.source-note {
  margin: 14px 0 0;
  color: var(--text-soft);
  font-size: 0.86rem;
  line-height: 1.6;
}


/* TDU finalized landing-page explainer */
.tdu-landing-explainer {
  margin: 36px 0 44px;
}

.tdu-explainer-section + .tdu-explainer-section {
  margin-top: 32px;
}

.tdu-explainer-section p,
.tdu-campus-note p,
.translation-note p {
  line-height: 1.75;
}

.tdu-campus-notes {
  margin-top: 36px;
  display: grid;
  gap: 24px;
}

.tdu-campus-note {
  padding: 22px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.translation-note {
  margin-top: 30px;
  padding: 18px 20px;
  border-left: 3px solid var(--line);
  background: var(--surface-soft);
}

.translation-note p {
  margin-bottom: 0;
}

.tdu-related-questions-heading {
  margin-top: 48px;
}

@media (min-width: 760px) {
  .tdu-campus-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .footer-nav {
    gap: 10px;
  }
}

/* TDU landing-page visual hierarchy */
.tdu-landing-count {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.tdu-count-icon {
  display: inline-grid;
  place-items: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--brand);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
}

.tdu-explainer-section {
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.tdu-explainer-section + .tdu-explainer-section {
  margin-top: 20px;
}

.tdu-section-heading,
.tdu-campus-area-heading {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.tdu-section-heading h2,
.tdu-campus-area-heading h2 {
  margin: 0;
}

.tdu-section-number,
.tdu-campus-area-icon {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--brand);
  font-size: 0.86rem;
  font-weight: 800;
}

.tdu-explainer-section > p {
  margin-bottom: 0;
}

.tdu-campus-area {
  margin-top: 38px;
}

.tdu-campus-notes {
  margin-top: 16px;
  gap: 18px;
}

.tdu-campus-note {
  padding: 22px 24px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.tdu-campus-note-hatoyama {
  border-top: 3px solid var(--brand);
}

.tdu-campus-label {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.tdu-campus-icon {
  font-size: 0.62rem;
}

.tdu-campus-note h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
}

.tdu-campus-note p {
  margin-bottom: 0;
}

@media (max-width: 759px) {
  .tdu-explainer-section,
  .tdu-campus-note {
    padding: 20px;
  }
}


/* TDU official action links */
.tdu-official-actions {
  margin: -20px 0 42px;
  padding: 22px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.tdu-official-actions-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

.tdu-official-actions-heading > div {
  display: grid;
  gap: 2px;
}

.tdu-official-actions-heading strong {
  color: var(--text);
  font-size: 1rem;
}

.tdu-official-actions-heading span {
  color: var(--text-soft);
  font-size: 0.86rem;
}

.tdu-official-actions-icon {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  font-weight: 800;
}

.tdu-official-action-grid {
  display: grid;
  gap: 10px;
}

.tdu-official-action-grid a {
  display: flex;
  align-items: center;
  gap: 11px;
  min-width: 0;
  padding: 14px 15px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--text);
  text-decoration: none;
}

.tdu-official-action-grid a:hover {
  border-color: var(--brand);
  color: var(--brand);
}

.tdu-official-action-grid a > span:last-child {
  display: grid;
  gap: 2px;
}

.tdu-official-action-grid strong {
  font-size: 0.94rem;
}

.tdu-official-action-grid small {
  color: var(--text-soft);
  font-size: 0.79rem;
  line-height: 1.35;
}

.tdu-action-symbol {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface-soft);
  border: 1px solid var(--line);
  color: var(--brand);
  font-size: 0.82rem;
  font-weight: 800;
}

@media (min-width: 700px) {
  .tdu-official-action-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Strong visual separation for TDU official links */
.tdu-official-action-grid {
  row-gap: 12px;
  column-gap: 12px;
}

.tdu-official-action-grid > a {
  width: 100%;
  box-sizing: border-box;
  text-decoration: none !important;
}

.tdu-official-action-grid > a strong {
  display: block;
  text-decoration: none;
}

.tdu-official-action-grid > a small {
  display: block;
  margin-top: 3px;
  text-decoration: none;
}

/* Campus-specific official links */
.tdu-campus-link {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface);
  color: var(--brand);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.35;
  text-decoration: none;
}

.tdu-campus-link:hover {
  border-color: var(--brand);
  text-decoration: none;
}

/* Primary next-step signal on question pages */
.study-route,
.tdu-route {
  margin-top: 44px;
  padding: 28px 30px;
  background: var(--surface);
  border: 2px solid var(--brand);
  border-radius: 16px;
  box-shadow: 0 10px 28px rgba(18, 60, 105, 0.08);
}

.study-route-label,
.tdu-route-label {
  margin-bottom: 8px;
  color: var(--brand);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.study-route > a,
.tdu-route > a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 6px;
  padding: 13px 18px;
  background: var(--brand);
  border-radius: 10px;
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.35;
  text-decoration: none;
}

.study-route > a:hover,
.tdu-route > a:hover {
  background: var(--brand-dark);
  color: #ffffff;
}

.study-route p,
.tdu-route p {
  margin-top: 10px;
}

@media (max-width: 560px) {
  .study-route,
  .tdu-route {
    padding: 22px 20px;
  }

  .study-route > a,
  .tdu-route > a {
    width: 100%;
  }
}


/* Primary conversion action on TDU landing pages */
.tdu-official-action-grid > a.tdu-primary-action {
  background: var(--brand);
  border-color: var(--brand);
  color: #ffffff;
  box-shadow: 0 8px 22px rgba(18, 60, 105, 0.16);
}

.tdu-official-action-grid > a.tdu-primary-action:hover {
  background: var(--brand-dark);
  border-color: var(--brand-dark);
  color: #ffffff;
}

.tdu-official-action-grid > a.tdu-primary-action .tdu-action-symbol {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.28);
  color: #ffffff;
}

.tdu-official-action-grid > a.tdu-primary-action small {
  color: rgba(255,255,255,0.82);
}


/* Global shell polish */
.site-header {
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--line);
}

.site-brand {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  font-size: 1.35rem;
  letter-spacing: 0.025em;
}

.site-nav a {
  padding: 7px 0;
  font-weight: 650;
}

.site-nav a:last-child {
  padding: 7px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--surface-soft);
  color: var(--brand);
}

.site-nav a:last-child:hover {
  border-color: var(--brand);
  background: var(--surface);
  color: var(--brand-dark);
}

.site-footer-inner {
  padding-top: 38px;
  padding-bottom: 38px;
}

.footer-brand {
  font-size: 1.05rem;
  letter-spacing: 0.025em;
}

.footer-nav a {
  text-underline-offset: 3px;
}

@media (max-width: 560px) {
  .site-header-inner {
    gap: 14px;
  }

  .site-brand {
    font-size: 1.18rem;
  }

  .site-nav {
    gap: 10px;
  }

  .site-nav a:last-child {
    padding: 6px 9px;
  }
}

/* Homepage primary-path hierarchy */
.study-entry {
  border: 2px solid var(--brand);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(18, 60, 105, 0.08);
}

.study-entry-link {
  padding: 13px 19px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(18, 60, 105, 0.12);
}

.home-search {
  background: var(--surface-soft);
  border-color: var(--line);
  box-shadow: none;
}

.home-search h2 {
  color: var(--text-soft);
  font-size: 1.12rem;
}

@media (max-width: 680px) {
  .study-entry-link {
    width: 100%;
    text-align: center;
  }
}

/* Mobile readability polish */
@media (max-width: 560px) {
  .site-main {
    padding-top: 30px;
    padding-bottom: 56px;
  }

  h1 {
    margin-bottom: 20px;
    font-size: clamp(1.8rem, 9vw, 2.45rem);
  }

  .direct-answer {
    margin-bottom: 32px;
    font-size: 1.08rem;
    line-height: 1.7;
  }

  .answer-section {
    margin-bottom: 22px;
  }

  .home-hero {
    padding-top: 24px;
    padding-bottom: 40px;
  }

  .home-search {
    margin-bottom: 38px;
  }

  .study-entry {
    margin-bottom: 40px;
  }

  .tdu-landing-heading {
    margin-bottom: 34px;
  }

  .tdu-official-actions {
    margin-top: -8px;
    margin-bottom: 32px;
    padding: 18px;
  }

  .tdu-official-action-grid {
    grid-template-columns: 1fr;
  }

  .tdu-official-action-grid a {
    padding: 13px 14px;
  }

  .tdu-official-action-grid > a.tdu-primary-action {
    padding-top: 15px;
    padding-bottom: 15px;
  }

  .tdu-explainer-section + .tdu-explainer-section {
    margin-top: 16px;
  }

  .tdu-question-group {
    margin-bottom: 38px;
  }

  .question-language {
    margin-top: 34px;
  }
}

/* Accessibility and interaction polish */
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.category-card:focus-visible,
.subject-card:focus-visible,
.study-entry-link:focus-visible,
.study-route > a:focus-visible,
.tdu-route > a:focus-visible,
.tdu-official-action-grid > a:focus-visible,
.tdu-campus-link:focus-visible {
  outline-offset: 4px;
}

.study-entry-link,
.study-route > a,
.tdu-route > a,
.tdu-official-action-grid > a {
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.15s ease;
}

.study-entry-link:hover,
.study-route > a:hover,
.tdu-route > a:hover,
.tdu-official-action-grid > a.tdu-primary-action:hover {
  transform: translateY(-1px);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .category-card:hover,
  .study-entry-link:hover,
  .study-route > a:hover,
  .tdu-route > a:hover,
  .tdu-official-action-grid > a:hover {
    transform: none;
  }
}