/* ========== KANTAN KAISETSU ARTICLE ========== */

.article--kantan {
  max-width: 1100px;
  padding: 48px;
}

.article--kantan .article-header,
.article--kantan .kantan-text {
  max-width: 720px;
  margin-right: auto;
  margin-left: auto;
}

.article--kantan .article-header {
  text-align: center;
}

.article--kantan .article-meta-top {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.article--kantan .article-category {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
  font-size: var(--text-xs);
  font-weight: 700;
}

.article--kantan .article-title {
  font-size: var(--text-3xl);
}

.article--kantan .article-author {
  margin: 12px 0 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.kantan-lead {
  margin: 0 auto 48px;
  padding: 24px 28px;
  max-width: 760px;
  border: 1px solid #bfd8f7;
  border-radius: 12px;
  background: linear-gradient(135deg, #f7fbff, var(--color-accent-light));
  text-align: center;
}

.kantan-lead__label {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--color-accent-dark);
  font-size: var(--text-sm);
  font-weight: 700;
}

.kantan-lead p {
  margin: 0;
  color: var(--color-text-primary);
  font-size: var(--text-lg);
  font-weight: 500;
  line-height: 1.8;
}

.kantan-hero-visual,
.kantan-image-card {
  margin: 28px auto;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow-card);
}

.kantan-hero-visual {
  width: min(100%, 1000px);
  margin-bottom: 56px;
}

.kantan-image-card--wide {
  width: min(100%, 1000px);
}

.kantan-hero-visual img,
.kantan-image-card img {
  display: block;
  width: 100%;
  height: auto;
  background: #f8fafc;
}

.kantan-hero-visual figcaption {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 16px 20px 18px;
  background: #fff;
}

.kantan-caption-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
}

.kantan-caption-tag--request {
  background: var(--color-accent-light);
  color: var(--color-accent-dark);
}

.kantan-caption-tag--response {
  background: #e8f7ed;
  color: #18753a;
}

.kantan-image-card figcaption {
  padding: 14px 18px;
  border-top: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  line-height: 1.7;
  text-align: center;
}

.kantan-visual-row {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(280px, 2fr);
  gap: 32px;
  align-items: center;
  margin: 28px 0;
}

.kantan-visual-row .kantan-image-card {
  margin: 0;
}

.kantan-short-text h3 {
  margin: 0 0 12px;
  color: var(--color-text-primary);
  font-size: var(--text-lg);
}

.kantan-short-text p {
  color: var(--color-text-secondary);
}

.kantan-step-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.kantan-step-list li {
  padding: 14px 16px;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 8px 8px 0;
  background: var(--color-bg);
}

.kantan-step-list strong,
.kantan-step-list span {
  display: block;
}

.kantan-step-list strong {
  margin-bottom: 3px;
  color: var(--color-text-primary);
}

.kantan-step-list span {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

.kantan-point-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 24px 0;
}

.kantan-point {
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg);
}

.kantan-point strong {
  display: block;
  margin-bottom: 8px;
  color: var(--color-accent-dark);
}

.kantan-point p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
}

@media (max-width: 768px) {
  .article--kantan {
    max-width: none;
    padding: 28px 20px;
  }

  .article--kantan .article-title {
    font-size: var(--text-xl);
  }

  .kantan-lead {
    margin-bottom: 36px;
    padding: 20px;
    text-align: left;
  }

  .kantan-lead p {
    font-size: var(--text-base);
  }

  .kantan-hero-visual {
    margin-bottom: 40px;
  }

  .kantan-hero-visual figcaption {
    align-items: stretch;
    flex-direction: column;
  }

  .kantan-caption-tag {
    justify-content: center;
    text-align: center;
  }

  .kantan-visual-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .kantan-point-grid {
    grid-template-columns: 1fr;
  }
}