/**
 * メインスタイルシート
 * デザイントークンは assets/css/_variables.css を参照。
 *
 * @package INFO_Times
 */
@import url("_variables.css");

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------------- Top bar ---------------- */
.top-bar {
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 32px;
}
.top-bar-date { opacity: 0.85; }
.top-bar-links a { margin-left: 16px; opacity: 0.85; }
.top-bar-links a:hover { opacity: 1; text-decoration: underline; }

/* ---------------- Header ---------------- */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
  padding: 10px 0;
  gap: 24px;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 24px;
  color: var(--color-primary);
  min-width: 0;
  flex-shrink: 1;
}
.logo i { color: var(--color-accent); flex-shrink: 0; }
.logo > span {
  min-width: 0;
  white-space: normal;
  overflow-wrap: break-word;
  word-break: break-word;
  line-height: 1.3;
}
.logo .logo-sub {
  font-size: 11px;
  font-weight: 500;
  color: var(--color-text-sub);
  display: block;
  margin-top: -2px;
  white-space: normal;
  overflow-wrap: break-word;
  word-break: break-word;
}

.header-search {
  flex: 1;
  max-width: 360px;
  display: flex;
  position: relative;
}
.header-search input {
  width: 100%;
  padding: 9px 40px 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  font-size: 14px;
  background: var(--color-bg);
}
.header-search input:focus { outline: 2px solid var(--color-primary-light); }
.header-search button {
  position: absolute;
  right: 6px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-primary);
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  cursor: pointer;
}

.header-actions { display: flex; align-items: center; gap: 12px; }
.btn-admin {
  border: 1px solid var(--color-border);
  border-radius: 20px;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--color-text-sub);
  white-space: nowrap;
}
.btn-admin:hover { background: var(--color-bg); }

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--color-primary);
  cursor: pointer;
}

/* ---------------- Nav (category) ---------------- */
.category-nav {
  background: var(--color-primary);
}
.category-nav ul {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
}
.category-nav ul::-webkit-scrollbar { display: none; }
.category-nav a {
  display: block;
  padding: 13px 18px;
  color: #dbe1ff;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: all .2s;
}
.category-nav a:hover,
.category-nav a.active {
  color: #fff;
  border-color: var(--color-accent);
  background: rgba(255,255,255,0.06);
}
.category-nav.pt-nav-open ul { flex-wrap: wrap; }

/* ---------------- Hero ---------------- */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, #223a8f 60%, #2d47a8 100%);
  color: #fff;
  padding: 40px 0;
  overflow: hidden;
  position: relative;
}
.hero .container {
  display: flex;
  align-items: center;
  gap: 40px;
}
.hero-text { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 20px;
  margin-bottom: 14px;
}
.hero-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 12px;
}
.hero-desc { font-size: 15px; color: #cfd6f5; max-width: 480px; margin:0; }
.hero-image { flex-shrink: 0; width: 380px; border-radius: 14px; overflow:hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.25);}
.hero-image img { width: 100%; height: 100%; object-fit: cover; }

/* ---------------- Section heading ---------------- */
.section {
  padding: 44px 0;
}
.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 22px;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 10px;
}
.section-heading h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-heading h2 i { color: var(--color-accent); }
.section-heading .more-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-sub);
}
.section-heading .more-link:hover { color: var(--color-primary); }

/* ---------------- Layout with sidebar ---------------- */
.layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}

/* ---------------- Article cards ---------------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.article-card {
  background: var(--color-card);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
  transition: transform .2s, box-shadow .2s;
  display: flex;
  flex-direction: column;
}
.article-card:hover { transform: translateY(-4px); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.article-card .thumb {
  position: relative;
  aspect-ratio: 3/2;
  overflow: hidden;
  background: var(--color-bg);
}
.article-card .thumb img { width:100%; height:100%; object-fit: cover; }
.article-card .cat-tag {
  position: absolute;
  top: 10px;
  left: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
}
.article-card .card-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; }
.article-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 8px;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card .excerpt {
  font-size: 13px;
  color: var(--color-text-sub);
  margin: 0 0 10px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.article-card .meta {
  font-size: 12px;
  color: var(--color-text-sub);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}

/* Row (list) style article */
.article-row {
  display: flex;
  gap: 16px;
  background: var(--color-card);
  border-radius: 10px;
  padding: 14px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  margin-bottom: 14px;
}
.article-row .thumb { flex-shrink: 0; width: 160px; aspect-ratio: 3/2; overflow: hidden; border-radius: 6px; }
.article-row .thumb img { width:100%; height:100%; object-fit: cover; }
.article-row .card-body { flex: 1; min-width:0; }
.article-row h3 { font-size: 16px; margin: 0 0 6px; font-weight: 700; }
.article-row .excerpt { font-size: 13px; color: var(--color-text-sub); margin: 0 0 8px; }
.article-row .meta { font-size: 12px; color: var(--color-text-sub); display:flex; gap:12px;}
.article-row .meta .row-cat-tag { font-weight: 700; }

/* ---------------- Ranking list ---------------- */
.ranking-list { display: flex; flex-direction: column; gap: 14px; }
.ranking-item { display: flex; align-items: center; gap: 12px; }
.ranking-num {
  font-size: 22px;
  font-weight: 800;
  font-style: italic;
  color: var(--color-primary);
  width: 30px;
  text-align: center;
  flex-shrink: 0;
}
.ranking-item:nth-child(1) .ranking-num { color: var(--color-accent); }
.ranking-item:nth-child(2) .ranking-num { color: #9aa3b5; }
.ranking-item:nth-child(3) .ranking-num { color: #c98a4d; }
.ranking-item .thumb { width: 64px; height: 64px; border-radius: 6px; overflow: hidden; flex-shrink:0; }
.ranking-item .thumb img { width:100%; height:100%; object-fit:cover; }
.ranking-item .rt { font-size: 13px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp:2; -webkit-box-orient: vertical; overflow:hidden; }

/* ---------------- Category chips ---------------- */
.category-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.category-chip {
  background: var(--color-card);
  border-radius: 10px;
  padding: 18px 10px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
  transition: transform .2s;
}
.category-chip:hover { transform: translateY(-3px); }
.category-chip .chip-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 10px;
  color: #fff;
  font-size: 18px;
}
.category-chip .chip-name { font-size: 13px; font-weight: 700; }

/* ---------------- Sidebar widgets ---------------- */
.widget {
  background: var(--color-card);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.widget h3 {
  font-size: 15px;
  font-weight: 800;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-primary);
  color: var(--color-primary);
  display: flex; align-items:center; gap:6px;
}
.widget ul, .widget ol { margin:0; padding:0; }
.widget li { list-style: none; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 5px 12px;
  font-size: 12px;
  color: var(--color-text-sub);
}
.tag-cloud a:hover { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.widget-cat-list li { margin-bottom: 4px; }
.widget-cat-list a {
  display: flex;
  justify-content: space-between;
  padding: 9px 4px;
  font-size: 13px;
  border-bottom: 1px dashed var(--color-border);
}
.widget-cat-list a:hover { color: var(--color-primary); }
.widget-cat-list .count { color: var(--color-text-sub); font-size: 12px; }

/* ---------------- Breadcrumb ---------------- */
.breadcrumb {
  font-size: 12px;
  color: var(--color-text-sub);
  padding: 14px 0;
}
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { margin: 0 6px; }

/* ---------------- Footer ---------------- */
.site-footer {
  background: #14204f;
  color: #b9c2e6;
  margin-top: 30px;
}
.footer-top { padding: 40px 0 20px; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
}
.footer-logo { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.footer-desc { font-size: 13px; line-height: 1.8; color: #93a0d6; }
.footer-col h4 { color: #fff; font-size: 14px; margin: 0 0 14px; }
.footer-col li { margin-bottom: 9px; font-size: 13px; }
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  border-top: 1px solid #263268;
  padding: 16px 0;
  text-align: center;
  font-size: 12px;
  color: #8390bf;
}

/* ---------------- Buttons / misc ---------------- */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
}
.btn:hover { background: var(--color-primary-light); }
.btn-outline { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }

.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 30px;
  flex-wrap: wrap;
}
.pagination .page-numbers {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
  font-size: 13px;
  display:flex; align-items:center; justify-content:center;
  padding: 0 6px;
}
.pagination .page-numbers.current { background: var(--color-primary); color:#fff; border-color: var(--color-primary); }
.pagination .page-numbers:hover:not(.current) { background: var(--color-bg); }

.loading-spinner {
  text-align: center;
  padding: 40px;
  color: var(--color-text-sub);
  font-size: 14px;
}
.empty-msg {
  text-align: center;
  padding: 40px;
  color: var(--color-text-sub);
}

.page-title-bar {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  padding: 26px 0;
}
.page-title-bar h1 {
  font-size: 24px;
  font-weight: 800;
  color: var(--color-primary);
  margin: 0 0 6px;
  display: flex; align-items: center; gap: 10px;
}
.page-title-bar p { font-size: 13px; color: var(--color-text-sub); margin: 0; }

/* ---------------- Article detail ---------------- */
.article-detail-header { margin-bottom: 20px; }
.article-detail-header .cat-tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 4px;
  margin-bottom: 12px;
}
.article-detail-header h1 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.5;
  margin: 0 0 14px;
}
.article-detail-meta {
  display: flex;
  gap: 18px;
  font-size: 13px;
  color: var(--color-text-sub);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 16px;
  flex-wrap: wrap;
}
.article-detail-thumb {
  border-radius: 10px;
  overflow: hidden;
  margin: 20px 0;
  aspect-ratio: 16/9;
}
.article-detail-thumb img { width: 100%; height: 100%; object-fit: cover; }
.article-body { font-size: 16px; line-height: 1.9; }
.article-body h2 {
  font-size: 20px;
  color: var(--color-primary);
  border-left: 5px solid var(--color-accent);
  padding-left: 12px;
  margin: 32px 0 16px;
}
.article-body p { margin: 0 0 18px; }
.article-body img { border-radius: 8px; margin: 10px 0; }
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 26px 0; }
.article-tags a {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 5px 14px;
  font-size: 12px;
}
.share-bar { display: flex; gap: 10px; margin: 20px 0; }
.share-bar a {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items:center; justify-content:center;
  background: var(--color-bg); color: var(--color-text-sub);
  border: 1px solid var(--color-border);
}
.share-bar a:hover { background: var(--color-primary); color:#fff; }

.related-articles { margin-top: 40px; }

/* ---------------- Comments ---------------- */
.comments-area { margin-top: 40px; }
.comment-list { list-style:none; margin:0; padding:0; }
.comment-list .comment { background:#fff; border-radius:10px; padding:16px; margin-bottom:14px; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.comment-author { font-weight:700; font-size:13px; }
.comment-meta { font-size:12px; color: var(--color-text-sub); margin-bottom:8px; }
.comment-form input, .comment-form textarea {
  width:100%; padding:10px 12px; border:1px solid var(--color-border); border-radius:6px; font-size:14px; font-family:inherit; margin-bottom:12px;
}
.comment-form textarea { min-height:120px; }

/* ---------------- Search box mobile ---------------- */
.mobile-search { display:none; padding: 12px 0; background:#fff; border-bottom:1px solid var(--color-border); }
.mobile-search .container { display:flex; }
.mobile-search-form { display:flex; width:100%; gap:8px; }
.mobile-search-form input { flex:1; padding:9px 14px; border:1px solid var(--color-border); border-radius:20px; font-size:14px; }
.mobile-search-form button { border-radius:20px; }

/* ---------------- Responsive ---------------- */
@media (max-width: 992px) {
  .layout { grid-template-columns: 1fr; }
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .hero-image { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .header-search { display:none; }
  .mobile-search { display:block; }
  .menu-toggle { display: block; }
  .btn-admin span { display:none; }
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .article-row { flex-direction: row; }
  .article-row .thumb { width: 110px; }
  .article-row h3 { font-size: 14px; }
  .article-detail-header h1 { font-size: 20px; }
}