/* ===== ヘッダー（ナビゲーション） ===== */
.top-nav {
  background-color:#e8e2d5;
  padding: 8px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:14px;
  font-family:'Arial',sans-serif;
  text-align: initial;
  position: sticky;
  top: 0;
  z-index: 9999;
  min-height: var(--nav-h);
  background: rgba(232, 226, 213, 0.35);
  -webkit-backdrop-filter: blur(10px) saturate(140%) contrast(110%);
  backdrop-filter: blur(10px) saturate(140%) contrast(110%);
  border-bottom: 1px solid rgba(0,0,0,0.12);
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
}

/* ロゴ */
.cocom-logo {
  width: 90px;
  height: 25px;
  display:block;
  margin: 0;
}

/* メニュー */


/* リンク */
.top-nav ul li a {
  text-decoration: none;
  color: #333;
  font-size: 14px;
  transition: 0.2s;
}

/* CTAボタン */
.nav-cta {
  background: #333;
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-weight: 600; /* ← ここ追加 */
}

.nav-cta:hover {
  background: #fff;
  color: #333;
  border: 1px solid #333;
  font-weight: 600; /* ← ここ追加 */
}

.top-nav > ul {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.top-nav ul li {
  position: relative;
}

.topic-menu {
  position: relative;
}

.topic-toggle {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  font: inherit;
  color: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  font-weight: 700;
  gap: 6px;
}

.topic-arrow {
  font-size: 12px;
  transition: transform 0.3s ease;
}

.topic-menu.open .topic-arrow {
  transform: rotate(180deg);
}

.topic-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 12px);
  left: -40px;
  min-width: 240px;
  background: #fdfbf7;
  border: 1px solid #ddd;
  border-radius: 10px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  padding: 8px 0;
  z-index: 999;
}

.topic-menu.open .topic-dropdown {
  display: block;
}

.topic-dropdown li {
  list-style: none;
}

.topic-dropdown li a {
  display: block;
  padding: 3px 18px;
  text-decoration: none;
  color: #333;
  white-space: nowrap;
}

.topic-dropdown li a:hover {
  background: #f5f5f5;
}

/* ===== ヘッダー ===== */
.blog-header {
  text-align: center;
  padding: 60px 20px 30px;

}

.blog-header::after {
  content: "";
  display: block;
  border-bottom: 1px solid #c8c2b8;
  margin-top: 12px;
}

.blog-header h1 {
  font-size: 32px;
  margin-bottom: 10px;
}

.blog-header p {
  color: #666;
}

/* ===== 記事一覧 ===== */
.blog-list {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 320px));
  gap: 20px;
  padding: 20px;
}

/* ===== カード ===== */
.blog-card {
  border: 3.5px solid #eee;
  border-radius: 10px;
  overflow: hidden;
  transition: 0.3s;
  background: #fdfbf7;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}

.blog-card a {
  text-decoration: none;
  color: inherit;
}

/* 画像 */
.blog-image img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

/* コンテンツ */
.blog-content {
  padding: 15px;
}

.blog-tag {
  display: inline-block;
  font-size: 12px;
  color: #fff;
  background: #6c86aa;
  padding: 4px 8px;
  border-radius: 4px;
  margin-bottom: 8px;
}

.blog-content h2 {
  font-size: 18px;
  margin-bottom: 10px;
}

.blog-content p {
  font-size: 14px;
  color: #666;
}

.blog-date {
  margin-top: 12px;
  font-size: 12px;
  color: #999;
  text-align: right;
}

/* ===== CTA ===== */
.blog-cta {
  text-align: center;
  padding: 40px 20px;
  background: #f8f9fa;
}

.blog-cta h2 {
  margin-bottom: 10px;
}

.blog-cta p {
  margin-bottom: 20px;
}

.cta-button {
  background: #333;
  color: #fff;
  padding: 12px 24px;
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.3s ease;
  font-weight: 600; /* ← ここ追加 */
}

.cta-button:hover {
  background: #fff;
  color: #333;
  border: 1px solid #333;
  font-weight: 600; /* ← ここ追加 */
}

footer {
    padding: 5px;
    text-align: center;
    font-size: 14px;
    background: #ddd;
}

/* ==お知らせ== */
.news-empty-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 20px 100px;
}

.news-empty {
  background: #fdfbf7;
  border: 1px solid #e5ded3;
  border-radius: 12px;
  padding: 60px 30px;
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

.news-empty-label {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #8a7f6b;
  background: #f3eee6;
  border-radius: 999px;
}

.news-empty h2 {
  margin: 0 0 16px;
  font-size: 28px;
  color: #333;
}

.news-empty p {
  margin: 0 0 28px;
  font-size: 15px;
  line-height: 1.8;
  color: #666;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .top-nav {
    padding: 10px 15px;
  }

  .top-nav ul {
    gap: 10px;
  }

  .top-nav ul li a {
    font-size: 12px;
  }

  .nav-cta {
    padding: 6px 10px;
  }

  .cocom-logo {
    height: 32px;
  }
}