/* =====================================================
   ニュースページ スタイル
   トップページのデザインシステムを踏襲
   ===================================================== */

/* ============================================================
   PAGE HERO (下層ページ共通)
   ============================================================ */
.page-hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}

.page-hero--compact {
  padding: 60px 0 40px;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background: url('../img/hero-trading.jpg') center / cover no-repeat;
  background-color: var(--color-navy);
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(27, 58, 107, 0.85) 0%, rgba(26, 75, 48, 0.8) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
}

.page-hero .section-eyebrow {
  color: var(--color-green-light);
  margin-bottom: 12px;
}

.page-hero-title {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.3;
  margin-bottom: 12px;
}

.page-hero-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.8;
}


/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-100);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0;
  padding: 14px 0;
  font-size: 13px;
  color: var(--color-gray-500);
  flex-wrap: wrap;
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
  content: '>';
  margin: 0 10px;
  color: var(--color-gray-300);
  font-size: 11px;
}

.breadcrumb-list li a {
  color: var(--color-gray-500);
  transition: color var(--transition);
}

.breadcrumb-list li a:hover {
  color: var(--color-green);
}

.breadcrumb-list li[aria-current="page"] {
  color: var(--color-text);
  font-weight: 500;
}


/* ============================================================
   NEWS ARCHIVE (一覧)
   ============================================================ */
.section-news-archive {
  background: var(--color-bg);
  padding: 56px 0 80px;
}

/* カテゴリフィルター */
.news-filter {
  display: flex;
  gap: 8px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.news-filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 100px;
  transition: var(--transition);
}

.news-filter-btn:hover {
  border-color: var(--color-green);
  color: var(--color-green);
}

.news-filter-btn.active {
  background: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-green);
}

/* 記事リスト */
.news-archive-list {
  display: flex;
  flex-direction: column;
}

.news-archive-item {
  border-bottom: 1px solid var(--color-gray-100);
}

.news-archive-item:first-child {
  border-top: 1px solid var(--color-gray-100);
}

.news-archive-link {
  display: block;
  padding: 28px 24px;
  background: var(--color-white);
  transition: var(--transition);
  border-left: 3px solid transparent;
}

.news-archive-link:hover {
  background: var(--color-green-pale);
  border-left-color: var(--color-green);
}

.news-archive-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.news-archive-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 6px;
}

.news-archive-link:hover .news-archive-title {
  color: var(--color-green-dark);
}

.news-archive-excerpt {
  font-size: 14px;
  color: var(--color-gray-500);
  line-height: 1.7;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-archive-more {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-green);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-archive-link:hover .news-archive-more .arrow {
  transform: translateX(4px);
}

/* 空の状態 */
.news-empty {
  text-align: center;
  padding: 80px 0;
  color: var(--color-gray-500);
  font-size: 15px;
}


/* ============================================================
   PAGINATION
   ============================================================ */
.pagination {
  margin-top: 48px;
  display: flex;
  justify-content: center;
}

.pagination-list {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-item a,
.pagination-item span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
}

.pagination-item a {
  color: var(--color-gray-700);
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
}

.pagination-item a:hover {
  background: var(--color-green);
  color: var(--color-white);
  border-color: var(--color-green);
}

.pagination-item span.current {
  background: var(--color-green);
  color: var(--color-white);
  border: 1px solid var(--color-green);
}

.pagination-item span.dots {
  background: none;
  border: none;
  color: var(--color-gray-500);
}


/* ============================================================
   NEWS SINGLE (個別記事)
   ============================================================ */
.section-news-single {
  background: var(--color-bg);
  padding: 48px 0 80px;
}

.news-single-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  align-items: start;
}

/* 記事本体 */
.news-single-article {
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-gray-100);
  padding: 48px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.news-single-header {
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-gray-100);
}

.news-single-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.news-single-meta .news-date {
  font-size: 14px;
}

.news-single-title {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--color-navy);
  line-height: 1.5;
}

.news-single-thumb {
  margin-bottom: 32px;
  border-radius: 8px;
  overflow: hidden;
}

.news-single-thumb img {
  width: 100%;
  height: auto;
}

/* 記事本文 */
.news-single-body {
  font-size: 16px;
  line-height: 2;
  color: var(--color-gray-700);
}

.news-single-body p {
  margin-bottom: 1.5em;
}

.news-single-body p:last-child {
  margin-bottom: 0;
}

.news-single-body a {
  color: var(--color-green);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition);
}

.news-single-body a:hover {
  color: var(--color-green-dark);
}

.news-single-body h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-navy);
  margin: 2em 0 0.8em;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-green);
}

.news-single-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-navy);
  margin: 1.5em 0 0.6em;
  padding-left: 12px;
  border-left: 3px solid var(--color-green);
}

.news-single-body ul,
.news-single-body ol {
  margin: 1em 0;
  padding-left: 1.5em;
}

.news-single-body ul {
  list-style: disc;
}

.news-single-body ol {
  list-style: decimal;
}

.news-single-body li {
  margin-bottom: 0.5em;
}

.news-single-body blockquote {
  margin: 1.5em 0;
  padding: 20px 24px;
  background: var(--color-gray-50);
  border-left: 4px solid var(--color-green);
  border-radius: 0 8px 8px 0;
  color: var(--color-gray-700);
}

.news-single-body img {
  border-radius: 8px;
  margin: 1.5em 0;
}


/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar-widget {
  background: var(--color-white);
  border-radius: 12px;
  border: 1px solid var(--color-gray-100);
  padding: 28px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-navy);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-green);
}

/* カテゴリリスト */
.sidebar-cat-list li {
  border-bottom: 1px solid var(--color-gray-100);
}

.sidebar-cat-list li:last-child {
  border-bottom: none;
}

.sidebar-cat-list li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 4px;
  font-size: 14px;
  color: var(--color-gray-700);
  transition: var(--transition);
}

.sidebar-cat-list li a:hover {
  color: var(--color-green);
  padding-left: 8px;
}

.sidebar-cat-list li a.current {
  color: var(--color-green);
  font-weight: 700;
}

.sidebar-count {
  font-size: 12px;
  color: var(--color-gray-300);
}

/* 最近の記事 */
.sidebar-recent li {
  border-bottom: 1px solid var(--color-gray-100);
}

.sidebar-recent li:last-child {
  border-bottom: none;
}

.sidebar-recent li a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 4px;
  transition: var(--transition);
}

.sidebar-recent li a:hover {
  background: var(--color-green-pale);
  margin: 0 -8px;
  padding: 12px 12px;
  border-radius: 6px;
}

.sidebar-recent li a time {
  font-family: var(--font-en);
  font-size: 12px;
  color: var(--color-gray-500);
}

.sidebar-recent li a span {
  font-size: 13px;
  color: var(--color-navy);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}


/* ============================================================
   NEWS PAGER (前後ナビ)
   ============================================================ */
.news-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 20px;
  margin-top: 48px;
  align-items: center;
}

.news-pager-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-100);
  border-radius: 10px;
  transition: var(--transition);
}

.news-pager-link:hover {
  border-color: var(--color-green-light);
  box-shadow: 0 4px 16px rgba(46, 155, 101, 0.1);
}

.news-pager-prev {
  text-align: left;
}

.news-pager-next {
  text-align: right;
}

.news-pager-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-green);
}

.news-pager-title {
  font-size: 14px;
  color: var(--color-navy);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-pager-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-green);
  border: 1px solid var(--color-green);
  border-radius: 100px;
  transition: var(--transition);
  white-space: nowrap;
}

.news-pager-back:hover {
  background: var(--color-green);
  color: var(--color-white);
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .news-single-layout {
    grid-template-columns: 1fr;
  }

  .news-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .sidebar-widget {
    margin-bottom: 0;
  }
}

@media (max-width: 768px) {
  .page-hero {
    padding: 56px 0 40px;
  }

  .page-hero--compact {
    padding: 40px 0 28px;
  }

  .news-single-article {
    padding: 28px 20px;
  }

  .news-single-layout {
    gap: 32px;
  }

  .news-sidebar {
    grid-template-columns: 1fr;
  }

  .news-pager {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .news-pager-back {
    order: -1;
    justify-self: center;
  }

  .news-archive-link {
    padding: 20px 16px;
  }

  .news-filter {
    gap: 6px;
  }

  .news-filter-btn {
    padding: 8px 16px;
    font-size: 13px;
  }
}