/* ブログ（_build/build_blog.py が生成する blog/ 配下のページ用）。色や余白は style.css の変数を使う */

.blog-container { max-width: 800px; }

/* 記事ページ */
.blog-article { padding: var(--space-4xl) 0 var(--space-3xl); }

.blog-breadcrumb {
  margin-bottom: var(--space-2xl);
  font-size: 0.875rem;
  color: var(--color-text-muted);
}
.blog-breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.blog-breadcrumb a:hover { color: var(--color-primary-dark); }
.blog-breadcrumb .sep { margin: 0 0.5rem; }

.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-md);
  align-items: center;
  margin-bottom: var(--space-md);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.blog-tag {
  background: var(--color-primary);
  color: var(--color-heading);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.15rem 0.6rem;
  border-radius: 9999px;
}
.blog-head h1 {
  font-size: 1.75rem;
  line-height: 1.45;
  color: var(--color-heading);
}

.blog-points {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  background: var(--color-light-gray);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-lg);
}
.blog-points p { margin: 0 0 var(--space-sm); font-weight: 700; color: var(--color-heading); }
.blog-points ul { list-style: disc; margin: 0; padding-left: 1.3em; line-height: 1.8; }

/* 本文 */
.blog-body {
  margin-top: var(--space-2xl);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text);
}
.blog-body > * + * { margin-top: var(--space-lg); }
.blog-body h2 {
  margin-top: var(--space-3xl);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-border);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--color-heading);
}
.blog-body h3 {
  margin-top: var(--space-2xl);
  padding-left: 0.75rem;
  border-left: 4px solid var(--color-primary);
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-heading);
}
.blog-body h4 { margin-top: var(--space-xl); font-size: 1rem; color: var(--color-heading); }
.blog-body ul { list-style: disc; padding-left: 1.5em; }
.blog-body ol { list-style: decimal; padding-left: 1.5em; }
.blog-body li + li { margin-top: 0.4rem; }
.blog-body a { color: var(--color-primary-dark); text-decoration: underline; text-underline-offset: 2px; }
.blog-body strong { color: var(--color-heading); }
.blog-body code {
  padding: 0.1rem 0.35rem;
  background: var(--color-light-gray);
  border-radius: 4px;
  font-size: 0.9em;
}
.blog-body blockquote {
  margin-left: 0;
  margin-right: 0;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-light-gray);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.blog-body blockquote p { margin: 0; }
.blog-body figure { max-width: 520px; margin-left: auto; margin-right: auto; }
.blog-body figure img,
.blog-body p img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: contain;
  border-radius: var(--radius-lg);
}

/* 目次 */
.blog-toc {
  margin-top: var(--space-xl);
  padding: var(--space-lg) var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.blog-toc p { margin: 0 0 var(--space-sm); font-weight: 700; color: var(--color-heading); }
.blog-toc ol { list-style: decimal; margin: 0; padding-left: 1.4em; line-height: 1.9; }
.blog-toc a { color: var(--color-primary-dark); text-decoration: none; }
.blog-toc a:hover { text-decoration: underline; }
.blog-body h2 { scroll-margin-top: 90px; }
.blog-body figcaption { margin-top: var(--space-sm); font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }
.blog-body hr { border: 0; border-top: 1px solid var(--color-border); margin: var(--space-2xl) 0; }
.blog-body .table-wrap { overflow-x: auto; }
.blog-body table { width: 100%; border-collapse: collapse; font-size: 0.95rem; line-height: 1.7; }
.blog-body th,
.blog-body td { padding: 0.6rem 0.8rem; border: 1px solid var(--color-border); text-align: left; vertical-align: top; }
.blog-body th { background: var(--color-light-gray); color: var(--color-heading); font-weight: 700; white-space: nowrap; }
.blog-body td:first-child { white-space: nowrap; font-weight: 700; color: var(--color-heading); }

/* 執筆者 */
.blog-author {
  margin-top: var(--space-3xl);
  padding: var(--space-xl);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.blog-author p { margin: 0; }
.blog-author__label { font-size: 0.8rem; font-weight: 700; color: var(--color-primary-dark); letter-spacing: 0.04em; }
.blog-author__name { margin-top: var(--space-xs) !important; font-size: 1.1rem; font-weight: 700; color: var(--color-heading); }
.blog-author__job { font-size: 0.9rem; color: var(--color-text-light); }
.blog-author__bio { margin-top: var(--space-sm) !important; font-size: 0.92rem; line-height: 1.8; color: var(--color-text); }
.blog-author__links { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-sm) !important; font-size: 0.9rem; }
.blog-author__links a { color: var(--color-primary-dark); }

/* 相談への導線 */
.blog-cta {
  margin-top: var(--space-xl);
  padding: var(--space-xl);
  background: var(--color-light-gray);
  border-radius: var(--radius-lg);
}
.blog-cta p { margin: 0; line-height: 1.8; }
.blog-cta__title { font-size: 1.1rem; font-weight: 700; color: var(--color-heading); }
.blog-cta__links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); margin: var(--space-md) 0 var(--space-lg); }
.blog-cta__links a { color: var(--color-primary-dark); text-decoration: underline; text-underline-offset: 2px; }

.blog-back { margin-top: var(--space-2xl); padding-top: var(--space-xl); border-top: 1px solid var(--color-border); }
.blog-back a { color: var(--color-text-muted); text-decoration: none; font-size: 0.9rem; }

/* 一覧ページ */
.blog-list { margin: 0; padding: 0; }
.blog-list li { border-bottom: 1px solid var(--color-border); }
.blog-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  padding: var(--space-xl) 0;
  text-decoration: none;
}
.blog-card .blog-meta { margin-bottom: 0; }
.blog-card__title { font-size: 1.15rem; font-weight: 700; line-height: 1.5; color: var(--color-heading); }
.blog-card:hover .blog-card__title { color: var(--color-primary-dark); }
.blog-card__desc { font-size: 0.92rem; line-height: 1.8; color: var(--color-text-light); }
.blog-empty { padding: var(--space-2xl) 0; color: var(--color-text-muted); text-align: center; }

/* 一覧：絞り込み＋カードの横並び */
.blog-index { padding: var(--space-3xl) 0 var(--space-4xl); }
.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
}
.blog-filter__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: 9999px;
  background: var(--color-white);
  color: var(--color-heading);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s, color 0.2s;
}
.blog-filter__btn:hover { border-color: var(--color-primary-dark); }
.blog-filter__btn:focus-visible { outline: 2px solid var(--color-primary-dark); outline-offset: 2px; }
.blog-filter__btn.is-active { background: var(--color-heading); border-color: var(--color-heading); color: var(--color-white); }
.blog-filter__count { font-size: 0.8rem; font-weight: 500; color: var(--color-text-muted); }
.blog-filter__btn.is-active .blog-filter__count { color: rgba(255, 255, 255, 0.75); }

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin: 0;
  padding: 0;
}
.blog-grid__item[hidden] { display: none; }
.blog-tile {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: box-shadow 0.2s, transform 0.2s;
}
.blog-tile:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.blog-tile:focus-visible { outline: 2px solid var(--color-primary-dark); outline-offset: 2px; }
.blog-tile__thumb img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover; }
.blog-tile__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}
.blog-tile .blog-meta { margin-bottom: 0; font-size: 0.82rem; }
.blog-tile__desc {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--color-text-light);
}
@media (prefers-reduced-motion: reduce) {
  .blog-tile, .blog-filter__btn { transition: none; }
  .blog-tile:hover { transform: none; }
}

@media (max-width: 768px) {
  .blog-article { padding-top: var(--space-3xl); }
  .blog-head h1 { font-size: 1.45rem; }
  .blog-body h2 { font-size: 1.25rem; }
  .blog-points,
  .blog-author,
  .blog-cta { padding: var(--space-lg); }
}