.partner-article {
  background: var(--page-bg);
  color: var(--text);
}

.skip-link {
  position: absolute;
  z-index: 10;
  top: -100px;
  left: 16px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fff;
}

.skip-link:focus { top: 12px; }

.guide-link {
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
}

.partner-header {
  width: min(1100px, calc(100% - 48px));
  margin: 0 auto;
  padding: 34px 0 0;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.breadcrumbs a {
  color: var(--text);
  text-underline-offset: 3px;
}

.article-kicker {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.4px;
}

.partner-header h1 {
  max-width: 800px;
  margin: 0 0 24px;
  color: var(--text);
  font-size: 36px;
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -.8px;
  overflow-wrap: anywhere;
}

.article-photo {
  width: min(800px, 100%);
  margin: 0 auto;
}

.article-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 460px;
  border-radius: 10px;
  object-fit: cover;
  object-position: center 48%;
}

.article-photo figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.reading-layout {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 800px);
  gap: 40px;
  align-items: start;
  width: min(1100px, calc(100% - 48px));
  margin: 42px auto 76px;
}

.contents {
  position: sticky;
  top: 24px;
  max-height: 88vh;
  overflow: auto;
  color: var(--muted);
  font-size: 13px;
}

.contents summary {
  padding-bottom: 12px;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
}

.contents ol {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.contents li {
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.5;
}

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

.contents a:hover {
  color: var(--text);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.partner-body { min-width: 0; }

.partner-body p,
.partner-body li {
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

.partner-body p { margin: 0 0 18px; }
.partner-body strong { font-weight: 700; }

.partner-body h2 {
  margin: 0 0 16px;
  color: var(--text);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.3px;
}

.partner-body h3 {
  margin: 24px 0 10px;
  color: var(--text);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.15px;
}

.partner-body section {
  margin: 36px 0 0;
  padding-top: 30px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.partner-body a {
  color: #c5545b;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  overflow-wrap: anywhere;
}

.partner-body ul,
.partner-body ol {
  margin: 14px 0 22px;
  padding-left: 26px;
}

.partner-body li { margin: 6px 0; padding-left: 4px; }
.partner-body li::marker { color: var(--accent); }

.partner-body blockquote {
  margin: 22px 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  background: #fceff0;
}

.partner-body blockquote p { margin: 0; }
.partner-body blockquote h3 { margin-top: 0; }

.decision-check,
.editorial-cta {
  padding: 26px !important;
  border-top: 0 !important;
  border-radius: 10px;
  background: var(--surface);
}

.decision-check h3 {
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.decision-check h3:first-of-type { padding-top: 0; border-top: 0; }
.decision-check p { font-size: 16px; }

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
  padding: 13px 22px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent);
  color: #fff !important;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  text-align: center;
  text-decoration: none !important;
}

.btn-primary:hover { filter: brightness(.95); }
.cta-action { margin-top: 22px; }
.partner-body .cta-micro { margin: 10px 0 0; color: var(--muted); font-size: 13px; }

.related-reading {
  margin-top: 40px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.related-reading a { display: block; padding: 10px 0; }
.opening > p:first-child { font-weight: 600; }
.partner-body .opening { margin-bottom: 24px; }

@media (max-width: 900px) {
  .reading-layout {
    grid-template-columns: minmax(0, 800px);
    gap: 28px;
    justify-content: center;
  }
  .contents { position: static; max-height: none; }
  .contents ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; }
}

@media (max-width: 600px) {
  .site-nav { padding: 0 20px; gap: 14px; }
  .site-logo { font-size: 18px; }
  .guide-link { max-width: 110px; font-size: 12px; }
  .partner-header,
  .reading-layout { width: min(100% - 40px, 800px); }
  .partner-header { padding-top: 24px; }
  .breadcrumbs { margin-bottom: 24px; font-size: 12px; }
  .partner-header h1 { margin-bottom: 20px; font-size: 32px; letter-spacing: -.5px; }
  .article-photo img { max-height: none; }
  .reading-layout { margin-top: 30px; gap: 26px; }
  .contents ol { display: block; }
  .partner-body p,
  .partner-body li { font-size: 16px; line-height: 1.7; }
  .partner-body h2 { font-size: 23px; }
  .partner-body h3 { font-size: 18px; }
  .partner-body section { margin-top: 30px; padding-top: 24px; }
  .decision-check,
  .editorial-cta { padding: 20px !important; }
  .btn-primary { width: 100%; justify-content: center; }
}