.content-page {
  background: #f6f7f3;
}

.content-page main {
  margin: 0 auto;
  max-width: 1180px;
  padding: 30px clamp(16px, 4vw, 48px) 60px;
}

.breadcrumbs {
  color: #66716d;
  display: flex;
  flex-wrap: wrap;
  font-size: 0.86rem;
  gap: 7px;
  margin-bottom: 22px;
}

.breadcrumbs a {
  color: #47615a;
}

.article-hero {
  background: #fff;
  border: 1px solid #d9ded8;
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(24, 31, 28, 0.08);
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(0, 1.35fr) minmax(260px, 0.65fr);
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px);
  position: relative;
}

.article-hero::before {
  background: linear-gradient(90deg, #e94b4b, #f6a623, #f6d743, #1f9d55, #2e77d0, #7b61ff);
  content: "";
  height: 6px;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
}

.article-hero h1 {
  font-size: clamp(2rem, 4vw, 3.7rem);
  line-height: 1.08;
  margin: 8px 0 16px;
}

.article-hero p {
  color: #66716d;
  font-size: 1.05rem;
  line-height: 1.7;
  margin: 0;
}

.article-summary {
  align-self: stretch;
  background: #141c24;
  color: #fff;
  display: grid;
  gap: 12px;
  padding: 22px;
}

.article-summary strong,
.article-summary span {
  display: block;
}

.article-summary span {
  color: #c9d7d2;
  line-height: 1.5;
}

.article-meta {
  color: #66716d;
  font-size: 0.82rem;
  margin: 14px 0 0;
}

.article-layout {
  display: grid;
  gap: 26px;
  grid-template-columns: minmax(0, 1fr) 280px;
  margin-top: 24px;
}

.article-body {
  background: #fff;
  border: 1px solid #d9ded8;
  padding: clamp(22px, 3vw, 40px);
}

.article-body section + section {
  border-top: 1px solid #e4e8e3;
  margin-top: 30px;
  padding-top: 24px;
}

.article-body h2 {
  font-size: clamp(1.35rem, 2vw, 1.9rem);
  line-height: 1.25;
  margin: 0 0 13px;
}

.article-body h3 {
  font-size: 1.05rem;
  margin: 18px 0 8px;
}

.article-body p,
.article-body li {
  color: #52615b;
  line-height: 1.75;
}

.article-body ul,
.article-body ol {
  padding-left: 22px;
}

.article-body .notice {
  background: #fff8df;
  border-left: 4px solid #f3c735;
  color: #6f4b10;
  padding: 14px 16px;
}

.article-body .source-note {
  background: #f2f7f5;
  border: 1px solid #cfe0da;
  font-size: 0.9rem;
  padding: 14px 16px;
}

.article-aside {
  align-self: start;
  display: grid;
  gap: 12px;
  position: sticky;
  top: 95px;
}

.aside-box {
  background: #fff;
  border: 1px solid #d9ded8;
  border-radius: 8px;
  padding: 18px;
}

.aside-box strong {
  display: block;
  margin-bottom: 8px;
}

.aside-box p {
  color: #66716d;
  line-height: 1.55;
  margin: 0 0 12px;
}

.aside-box a {
  display: block;
  font-weight: 800;
  margin-top: 8px;
}

.page-faq details {
  border-bottom: 1px solid #d9ded8;
  padding: 12px 0;
}

.page-faq summary {
  cursor: pointer;
  font-weight: 800;
}

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

.related-grid a {
  background: #f9faf7;
  border: 1px solid #d9ded8;
  border-radius: 6px;
  color: #1f2523;
  padding: 14px;
}

.content-footer {
  margin-top: 0;
}

@media (max-width: 860px) {
  .article-hero,
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-aside {
    position: static;
  }
}

@media (max-width: 560px) {
  .article-hero h1 {
    font-size: 2.2rem;
  }

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