/* ===========================================
   まとめ記事ページ専用スタイル
   =========================================== */

.article-main {
  background:
    radial-gradient(circle at top right, rgba(0, 119, 182, 0.08), transparent 24%),
    linear-gradient(180deg, #f7fbff 0%, #eef7ff 100%);
  padding: 48px 0 88px;
  min-height: 60vh;
}

.article-shell {
  max-width: 900px;
  margin: 0 auto;
}

.article-breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--clr-muted);
  margin-bottom: 24px;
}

.article-breadcrumbs a {
  color: var(--clr-main);
  text-decoration: none;
}

.article-breadcrumbs a:hover,
.article-breadcrumbs a:focus-visible {
  text-decoration: underline;
}

.article-paper {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 119, 182, 0.08);
  border-radius: 28px;
  box-shadow: 0 18px 50px rgba(0, 70, 130, 0.08);
  padding: 32px 32px 40px;
  backdrop-filter: blur(6px);
}

.article-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(0, 119, 182, 0.1);
  color: var(--clr-main);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.3;
  color: var(--clr-deep);
  margin: 18px 0 14px;
}

.article-lead {
  font-size: 1rem;
  line-height: 1.95;
  color: #22456b;
  margin: 0 0 24px;
}

.article-intro-box,
.article-summary-box,
.article-faq-box,
.article-cta-box {
  border-radius: 22px;
  padding: 22px 24px;
  margin: 24px 0;
}

.article-intro-box {
  background: linear-gradient(135deg, rgba(0, 119, 182, 0.08), rgba(144, 224, 239, 0.16));
  border: 1px solid rgba(0, 119, 182, 0.12);
}

.article-summary-box,
.article-faq-box {
  background: #f8fbfe;
  border: 1px solid rgba(3, 4, 94, 0.08);
}

.article-cta-box {
  background: linear-gradient(135deg, rgba(3, 4, 94, 0.96), rgba(2, 62, 138, 0.94));
  color: var(--clr-white);
}

.article-section {
  margin-top: 40px;
}

.article-section h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.6vw, 2rem);
  color: var(--clr-deep);
  margin: 0 0 16px;
}

.article-section h3 {
  font-size: 1.1rem;
  color: var(--clr-deep);
  margin: 0 0 12px;
}

.article-section p,
.article-section li,
.article-faq-item p {
  line-height: 1.9;
  color: #244666;
}

.article-section ul,
.article-section ol {
  margin: 12px 0 0 1.2rem;
}

.article-section li + li {
  margin-top: 8px;
}

.article-top5-list {
  display: grid;
  gap: 18px;
}

.article-rank-card {
  position: relative;
  padding: 24px 24px 22px;
  border-radius: 24px;
  background: var(--clr-white);
  border: 1px solid rgba(0, 119, 182, 0.08);
  box-shadow: 0 10px 28px rgba(0, 90, 150, 0.08);
}

.article-rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  padding: 6px 12px;
  border-radius: 999px;
  background: linear-gradient(135deg, #0077b6, #00b4d8);
  color: var(--clr-white);
  font-size: 0.8rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.article-rank-card h3 a {
  color: inherit;
  text-decoration: none;
}

.article-rank-card h3 a:hover,
.article-rank-card h3 a:focus-visible {
  color: var(--clr-main);
}

.article-meta {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 119, 182, 0.1);
}

.article-meta-item {
  font-size: 0.92rem;
}

.article-meta-label {
  font-weight: 700;
  color: var(--clr-deep);
}

.article-faq-item + .article-faq-item {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(0, 119, 182, 0.1);
}

.article-cta-box p {
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.article-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.article-cta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.article-cta-link:hover,
.article-cta-link:focus-visible {
  transform: translateY(-2px);
}

.article-cta-link--primary {
  background: var(--clr-white);
  color: #023e8a;
}

.article-cta-link--secondary {
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: var(--clr-white);
}

@media (max-width: 768px) {
  .article-main {
    padding: 32px 0 72px;
  }

  .article-paper {
    padding: 24px 20px 30px;
    border-radius: 22px;
  }

  .article-intro-box,
  .article-summary-box,
  .article-faq-box,
  .article-cta-box,
  .article-rank-card {
    padding: 20px 18px;
  }
}