/* ========== 追加スタイル（theme.cssで不足する記事本文・モバイルメニュー等） ========== */

body {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", -apple-system, sans-serif;
  color: #222;
  background: #fff;
  margin: 0;
}

.page-main {
  min-height: 60vh;
}

/* モバイルメニュー */
.header__mobile-menu {
  display: none;
  background: #fff;
  border-top: 1px solid #e9ecef;
  padding: 16px 20px;
}
.header__mobile-menu.is-open {
  display: block;
}
.mobile-menu__list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mobile-menu__list li {
  border-bottom: 1px solid #f0f0f0;
}
.mobile-menu__link {
  display: block;
  padding: 12px 0;
  color: #222;
  text-decoration: none;
  font-size: 15px;
}
.mobile-menu__link:hover {
  color: #0066cc;
}

@media (max-width: 991px) {
  .header__nav,
  .header__actions {
    display: none;
  }
  .header__menu-btn {
    display: block !important;
  }
}
@media (min-width: 992px) {
  .header__menu-btn {
    display: none;
  }
}

/* パンくず */
.breadcrumb {
  font-size: 13px;
  color: #6c757d;
  background: transparent;
  padding: 0;
}
.breadcrumb a { color: #0066cc; text-decoration: none; }

/* 記事本文スタイル（現サイトに寄せる） */
.article-body {
  font-size: 16px;
  line-height: 1.9;
}
.article-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin-top: 2.5em;
  margin-bottom: 1em;
  padding-left: 16px;
  border-left: 4px solid #0066cc;
}
.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-top: 2em;
  margin-bottom: 0.8em;
}
.article-body p { margin-bottom: 1.3em; }
.article-body a { color: #0066cc; text-decoration: underline; }
.article-body a:hover { opacity: 0.7; }
.article-body strong {
  font-weight: 700;
  background: linear-gradient(transparent 60%, #fff3cd 60%);
}
.article-body img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 1.5em 0;
}
.article-body ul, .article-body ol {
  margin-bottom: 1.3em;
  padding-left: 1.5em;
}
.article-body blockquote {
  border-left: 4px solid #dee2e6;
  padding: 0.5em 1em;
  margin: 1.5em 0;
  color: #6c757d;
  background: #f8f9fa;
  border-radius: 0 6px 6px 0;
}
.article-body hr { margin: 3em 0; border-color: #dee2e6; }
.article-body iframe {
  max-width: 100%;
  aspect-ratio: 16/9;
  height: auto;
}

/* 一覧のカード */
.article-card {
  transition: transform 0.15s, box-shadow 0.15s;
  border: 1px solid #e9ecef;
}
.article-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08) !important;
}