.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 50px;
  padding: 12px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border: 1px solid var(--text);
  background: var(--text);
  color: var(--bg);
  text-decoration: none;
  font-weight: 700;
  font-size: .78rem;
}

.button--outline {
  background: transparent;
  color: var(--text);
  border-color: var(--line-strong);
}

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

.button[disabled] {
  opacity: .52;
  cursor: not-allowed;
}

.text-link {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.text-link small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
}

.text-link i {
  font-style: normal;
  color: var(--accent);
  font-size: 1.2rem;
}

.line-list {
  list-style: none;
  border-top: 1px solid var(--line);
}

.line-list li {
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
}

.line-list li::before {
  content: "—";
  color: var(--accent);
}

ol.line-list {
  counter-reset: item;
}

ol.line-list li {
  counter-increment: item;
  grid-template-columns: 40px 1fr;
}

ol.line-list li::before {
  content: counter(item,decimal-leading-zero);
  font-size: .7rem;
}

.definition-table {
  border-top: 1px solid var(--line);
}

.definition-table>div {
  display: grid;
  grid-template-columns: minmax(140px,.35fr) 1fr;
  gap: 30px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.definition-table dt {
  font-weight: 700;
  font-size: .82rem;
}

.definition-table dd {
  color: var(--muted);
}

.notice {
  padding: 24px 28px;
  border-block: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  background: color-mix(in srgb,var(--surface) 72%,transparent);
}

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

.notice p {
  color: var(--muted);
}

.notice--warning {
  border-left-color: var(--warning);
}

.notice--warning strong {
  color: var(--warning);
}

.quote {
  margin: clamp(50px,7vw,100px) 0;
  padding: clamp(28px,5vw,62px) clamp(24px,6vw,86px);
  border-block: 1px solid var(--line);
  font: 500 var(--step-2)/1.7 var(--font-serif);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  padding: 7px 10px;
  border: 1px solid var(--line);
  font-size: .68rem;
  color: var(--muted);
}

.numbered-columns {
  display: grid;
  grid-template-columns: repeat(2,1fr);
  border-top: 1px solid var(--line);
}

.numbered-columns article {
  padding: clamp(26px,4vw,50px);
  border-bottom: 1px solid var(--line);
}

.numbered-columns article:nth-child(odd) {
  border-right: 1px solid var(--line);
}

.numbered-columns span {
  display: block;
  color: var(--accent);
  font-size: .7rem;
  margin-bottom: 38px;
}

.numbered-columns h3 {
  font-size: var(--step-1);
  margin-bottom: 16px;
}

.numbered-columns p {
  color: var(--muted);
}

.timeline {
  list-style: none;
  border-top: 1px solid var(--line);
}

.timeline li {
  display: grid;
  grid-template-columns: 86px 1fr;
  gap: 28px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.timeline>li>span {
  color: var(--accent);
  font-size: .76rem;
}

.timeline h3 {
  font-size: var(--step-1);
  margin-bottom: 8px;
}

.timeline p {
  color: var(--muted);
}

.media-placeholder {
  margin: 0;
}

.media-placeholder__surface {
  aspect-ratio: var(--media-ratio);
  min-height: 210px;
  padding: clamp(20px,4vw,50px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 5px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg,color-mix(in srgb,var(--surface-sub) 80%,transparent),var(--surface));
  position: relative;
  overflow: hidden;
}

.media-placeholder__surface::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid color-mix(in srgb,var(--line) 70%,transparent);
  pointer-events: none;
}

.media-placeholder__surface strong {
  font-size: var(--step-1);
}

.media-placeholder__surface small {
  color: var(--muted);
  max-width: 50ch;
}

.media-placeholder__index {
  font-size: .62rem;
  letter-spacing: .16em;
  color: var(--accent);
}

.media-placeholder figcaption {
  padding-top: 10px;
  color: var(--muted);
  font-size: .68rem;
}

.service-ledger {
  border-top: 1px solid var(--line);
}

.service-ledger article {
  display: grid;
  grid-template-columns: 110px minmax(200px,.7fr) 1fr auto;
  gap: 30px;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
}

.service-ledger .ledger-no {
  font-size: .68rem;
  color: var(--accent);
}

.service-ledger h3 {
  font-size: var(--step-1);
}

.service-ledger p {
  color: var(--muted);
}

.service-ledger a {
  text-decoration: none;
}

.topic-index {
  display: grid;
  grid-template-columns: repeat(5,1fr);
  border-block: 1px solid var(--line);
}

.topic-index a {
  padding: 22px 16px;
  border-right: 1px solid var(--line);
  text-decoration: none;
  font-size: .76rem;
}

.topic-index a:first-child {
  border-left: 1px solid var(--line);
}

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

.faq-list details {
  border-bottom: 1px solid var(--line);
}

.faq-list summary {
  padding: 22px 50px 22px 0;
  list-style: none;
  font-weight: 700;
  position: relative;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "＋";
  position: absolute;
  right: 8px;
  color: var(--accent);
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 0 26px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border-block: 1px solid var(--line);
}

.data-table {
  width: 100%;
  min-width: 680px;
}

.data-table th,.data-table td {
  padding: 18px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.data-table th {
  width: 24%;
  font-size: .75rem;
}

.data-table td {
  color: var(--muted);
}

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

.route-list a {
  display: grid;
  grid-template-columns: 80px minmax(220px,.5fr) 1fr auto;
  gap: 28px;
  align-items: center;
  padding: 32px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.route-list b {
  font-size: var(--step-1);
}

.route-list p {
  color: var(--muted);
}

.route-list i {
  font-style: normal;
  color: var(--accent);
  font-size: 1.4rem;
}

.news-list {
  list-style: none;
  border-top: 1px solid var(--line);
}

.news-list li {
  display: grid;
  grid-template-columns: 150px 160px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.news-list time,.news-list span {
  color: var(--muted);
  font-size: .72rem;
}

.news-list a {
  text-decoration: none;
}

.policy-nav {
  position: sticky;
  top: calc(var(--header) + 30px);
  align-self: start;
  border-top: 1px solid var(--line);
}

.policy-nav a {
  display: block;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: .75rem;
  text-decoration: none;
  color: var(--muted);
}