/* Article page (column post) — lightweight standalone styles */
.article-nav { background: var(--paper); border-bottom: 1px solid var(--paper-line); }
.article-page {
  padding: clamp(80px, 10vw, 140px) var(--gutter) clamp(60px, 8vw, 100px);
  background: var(--paper);
  min-height: 70vh;
}
.article-page__inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding-top: 60px;
}
.article-page__layout {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(280px, 340px);
  gap: clamp(36px, 5vw, 72px);
  align-items: start;
}
.article-page__main { min-width: 0; }
.article-page__sidebar { min-width: 0; }
.article-page__sidebar-sticky {
  position: sticky;
  top: 104px;
  display: grid;
  gap: 16px;
}
.article-page__back {
  display: inline-block;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--on-paper-mute);
  text-decoration: none;
  margin-bottom: 32px;
}
.article-page__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-paper-mute);
  margin-bottom: 24px;
}
.article-page__meta-cat { color: var(--accent); }
.article-page__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: -8px 0 28px;
}
.article-page__topics a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 5px 10px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-xs);
  background: var(--paper-2);
  color: var(--chrome);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
  letter-spacing: 0.06em;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.article-page__topics a:hover {
  border-color: rgba(174, 133, 62, 0.55);
  background: rgba(174, 133, 62, 0.08);
}
.article-page__title {
  font-family: var(--serif-jp);
  font-weight: 600;
  font-size: clamp(28px, 3.8vw, 40px);
  line-height: 1.45;
  letter-spacing: 0.005em;
  text-wrap: balance;
  margin: 0 0 48px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--paper-line);
}
.article-page__visual {
  margin: 0 0 clamp(32px, 6vw, 56px);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.article-page__content { font-family: var(--sans-jp); }

.article-author {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 20px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  overflow-wrap: anywhere;
}
.article-author--top { margin: -20px 0 clamp(32px, 5vw, 48px); }
.article-author--bottom {
  grid-template-columns: 96px minmax(0, 1fr);
  margin-top: clamp(36px, 6vw, 56px);
  padding: clamp(24px, 4vw, 34px);
  background: #fff;
}
.article-author__photo {
  display: block;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center;
}
.article-author--bottom .article-author__photo {
  width: 96px;
  height: 96px;
}
.article-author__body {
  display: grid;
  gap: 7px;
  min-width: 0;
}
.article-author__label,
.article-section-label,
.article-side-card__label {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--on-paper-mute);
}
.article-author__name {
  display: block;
  font-size: 18px;
  line-height: 1.45;
  color: var(--on-paper);
}
.article-author__role {
  font-size: 14px;
  line-height: 1.6;
  color: var(--accent);
}
.article-author p {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--on-paper-mute);
}
.article-author__link {
  justify-self: start;
  margin-top: 4px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--on-paper);
  text-decoration: none;
}
.article-embed {
  margin: 30px 0;
}
.article-embed__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, 220px);
  align-items: stretch;
  min-height: 150px;
  border: 1px solid rgba(15, 23, 42, 0.16);
  border-radius: 8px;
  background: #fff;
  color: var(--on-paper);
  overflow: hidden;
  text-decoration: none !important;
  box-shadow: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.article-embed__link:hover {
  border-color: rgba(15, 23, 42, 0.32);
  box-shadow: 0 12px 28px rgba(16, 24, 40, 0.08);
}
.article-embed__body {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 18px 16px;
}
.article-embed__title {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--on-paper);
}
.article-embed__description {
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  font-size: 14px;
  line-height: 1.65;
  color: var(--on-paper-mute);
}
.article-embed__host {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--on-paper);
}
.article-embed__media {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--paper-2);
  border-left: 1px solid rgba(15, 23, 42, 0.08);
  min-width: 0;
}
.article-embed__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
  object-position: left center;
}
.article-embed__media--empty {
  padding: 16px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  color: var(--on-paper-mute);
  text-align: center;
}
.article-page__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid var(--paper-line);
}
.article-related,
.article-service-links {
  margin-top: clamp(36px, 6vw, 56px);
  padding-top: clamp(28px, 4vw, 36px);
  border-top: 1px solid var(--paper-line);
}
.article-related__head,
.article-service-links__head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}
.article-related__head h2,
.article-service-links__head h2 {
  margin: 0;
  font-family: var(--serif-jp);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.35;
  color: var(--on-paper);
}
.article-related__head p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-paper-mute);
}
.article-related__list,
.article-service-links__list {
  display: grid;
  gap: 12px;
}
.article-related__item,
.article-service-links__item {
  display: grid;
  gap: 7px;
  padding: 16px 18px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  background: #fff;
  color: inherit;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.article-related__item:hover,
.article-service-links__item:hover {
  border-color: rgba(174, 133, 62, 0.45);
  background: rgba(174, 133, 62, 0.06);
  transform: translateY(-1px);
}
.article-related__item span,
.article-service-links__item span {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.55;
  color: var(--on-paper-mute);
}
.article-related__item strong,
.article-service-links__item strong {
  font-size: 15px;
  line-height: 1.65;
  color: var(--on-paper);
}
.article-side-card,
.article-related--side,
.article-service-links--side {
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  background: #fff;
  overflow-wrap: anywhere;
}
.article-side-card--author,
.article-side-card--contact { background: var(--paper-2); }
.article-side-author {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}
.article-side-author img {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  object-fit: cover;
}
.article-side-author strong {
  display: block;
  font-size: 15px;
  line-height: 1.45;
  color: var(--on-paper);
}
.article-side-author span {
  display: block;
  margin-top: 3px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--on-paper-mute);
}
.article-side-card p,
.article-side-card--contact p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--on-paper-mute);
}
.article-side-card--contact strong {
  font-size: 16px;
  line-height: 1.55;
  color: var(--on-paper);
}
.article-side-card--contact .btn {
  justify-self: stretch;
  min-height: 42px;
  justify-content: center;
  font-size: 14px;
}
.article-side-card__link {
  justify-self: start;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--on-paper);
  text-decoration: none;
}
.article-side-info {
  display: grid;
  gap: 10px;
  margin: 0;
}
.article-side-info div {
  display: grid;
  gap: 3px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--paper-line);
}
.article-side-info div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.article-side-info dt {
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--on-paper-faint);
}
.article-side-info dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--on-paper);
}
.article-side-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.article-side-topics a {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-xs);
  background: var(--paper-2);
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.45;
  color: var(--chrome);
  text-decoration: none;
}
.article-related--side,
.article-service-links--side {
  margin-top: 0;
  padding-top: 18px;
}
.article-related--side .article-related__head,
.article-service-links--side .article-service-links__head {
  margin-bottom: 0;
}
.article-related--side .article-related__head h2,
.article-service-links--side .article-service-links__head h2 {
  font-size: 17px;
  line-height: 1.45;
}
.article-related--side .article-related__head p { display: none; }
.article-related--side .article-related__item,
.article-service-links--side .article-service-links__item {
  padding: 0 0 12px;
  border: 0;
  border-bottom: 1px solid var(--paper-line);
  border-radius: 0;
  background: transparent;
}
.article-related--side .article-related__item:last-child,
.article-service-links--side .article-service-links__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.article-related--side .article-related__item:hover,
.article-service-links--side .article-service-links__item:hover {
  background: transparent;
  transform: none;
}
.article-related--side .article-related__item strong,
.article-service-links--side .article-service-links__item strong {
  font-size: 14px;
}
.article-bottom-footer {
  background: var(--paper-2);
  border-top: 1px solid var(--paper-line);
  padding: 40px var(--gutter);
}
.article-bottom-footer__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--on-paper-mute);
  text-transform: uppercase;
}
.article-bottom-footer__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--on-paper);
}
.article-bottom-footer__brand img { width: 24px; height: 24px; object-fit: contain; }
.article-bottom-footer__brand span { font-family: var(--serif-jp); font-weight: 600; font-size: 14px; letter-spacing: 0.05em; text-transform: none; }

/* In-article table of contents (目次) */
.article-page__content h2,
.article-page__content h3 { scroll-margin-top: 96px; }

.article-toc { margin: 0 0 clamp(34px, 6vw, 52px); }
.article-toc__details {
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-sm);
  background: var(--paper-2);
  padding: 2px clamp(18px, 3vw, 26px) 6px;
}
.article-toc__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-paper-mute);
}
.article-toc__summary::-webkit-details-marker { display: none; }
.article-toc__summary::after {
  content: "";
  margin-left: auto;
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.2s ease;
}
.article-toc__details[open] .article-toc__summary::after { transform: rotate(225deg); }
.article-toc__list,
.article-toc__sub { list-style: none; margin: 0; padding: 0; }
.article-toc__list {
  counter-reset: toc;
  border-top: 1px solid var(--paper-line);
  padding: 8px 0 14px;
}
.article-toc__item { counter-increment: toc; }
.article-toc__item > a {
  display: flex;
  gap: 12px;
  padding: 7px 0;
  font-family: var(--sans-jp);
  font-size: 15px;
  line-height: 1.6;
  color: var(--on-paper);
  text-decoration: none;
}
.article-toc__item > a::before {
  content: counter(toc, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--accent);
}
.article-toc__item > a:hover { color: var(--accent); }
.article-toc__sub { margin: 0 0 6px 30px; }
.article-toc__sub a {
  display: block;
  padding: 5px 0;
  font-family: var(--sans-jp);
  font-size: 14px;
  color: var(--on-paper-mute);
  text-decoration: none;
}
.article-toc__sub a:hover { color: var(--accent); }

/* Article keyword chips (granular tag layer; chip styling lives in legal-lab.css) */
.article-page__keywords {
  margin-top: clamp(40px, 7vw, 60px);
  padding-top: clamp(28px, 4vw, 36px);
  border-top: 1px solid var(--paper-line);
}
.article-page__keywords-title {
  display: block;
  margin-bottom: 14px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--on-paper-mute);
}
.article-page__keywords-all {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--on-paper);
  text-decoration: none;
}

@media (max-width: 720px) {
  .article-page { padding: 60px var(--gutter) 40px; }
  .article-page__inner { padding-top: 40px; }
  .article-page__title { font-size: 26px; margin-bottom: 32px; padding-bottom: 24px; }
  .article-author,
  .article-author--bottom {
    grid-template-columns: 1fr;
  }
  .article-author__photo,
  .article-author--bottom .article-author__photo {
    width: 76px;
    height: 76px;
  }
  .article-embed__link { grid-template-columns: 1fr; }
  .article-embed__media { min-height: 150px; border-left: none; border-top: 1px solid rgba(15, 23, 42, 0.08); }
  .article-page__footer { margin-top: 48px; padding-top: 28px; flex-direction: column; }
  .article-page__footer .btn { width: 100%; justify-content: center; }
}

@media (max-width: 1080px) {
  .article-page__inner { width: min(820px, 100%); }
  .article-page__layout { grid-template-columns: 1fr; }
  .article-page__sidebar-sticky {
    position: static;
    grid-template-columns: 1fr;
  }
}