:root {
    --bg:        #0a0812;
    --surface:   #110f1e;
    --border:    #2a2040;
    --gold:      #c9a84c;
    --gold-dim:  #7a6228;
    --purple:    #6b3fa0;
    --purple-lt: #9b6fd0;
    --text:      #e8e0f0;
    --muted:     #8b7fa8;
    --tag-bg:    #1e1630;
  }

  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Noto Serif JP', serif;
    font-weight: 300;
    min-height: 100vh;
    overflow-x: hidden;
  }

  /* 星空背景 */
  body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
      radial-gradient(ellipse at 20% 10%, rgba(107,63,160,0.15) 0%, transparent 50%),
      radial-gradient(ellipse at 80% 80%, rgba(201,168,76,0.08) 0%, transparent 50%),
      radial-gradient(ellipse at 50% 50%, rgba(10,8,18,0) 0%, var(--bg) 100%);
    pointer-events: none;
    z-index: 0;
  }

  .stara {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
  }
  .stara span {
    position: absolute;
    border-radius: 50%;
    background: white;
    animation: twinkle var(--d, 3s) ease-in-out infinite alternate;
    opacity: 0;
  }

  @keyframes twinkle {
    0%   { opacity: 0; transform: scale(0.8); }
    100% { opacity: var(--o, 0.6); transform: scale(1.2); }
  }

  /* ヘッダー */
  header {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 60px 20px 40px;
    border-bottom: 1px solid var(--border);
  }

  .site-eyebrow {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 16px;
    opacity: 0.8;
  }

  .site-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 300;
    font-style: italic;
    color: var(--text);
    letter-spacing: 0.05em;
    line-height: 1.2;
    text-shadow: 0 0 40px rgba(201,168,76,0.3);
  }

  .site-title span {
    color: var(--gold);
  }

  .site-subtitle {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--muted);
    letter-spacing: 0.2em;
  }

  .header-ornament {
    margin: 24px auto 0;
    width: 120px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
  }

  /* ナビ */
  nav {
    position: relative;
    z-index: 10;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px 24px;
    padding: 20px 20px;
    border-bottom: 1px solid var(--border);
  }

  nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    transition: color 0.3s;
  }

  nav a:hover { color: var(--gold); }

  /* メインレイアウト */
  main {
    position: relative;
    z-index: 10;
    max-width: 1100px;
    margin: 0 auto;
    padding: 60px 24px 80px;
  }

  .section-heading {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1rem;
    font-weight: 400;
    letter-spacing: 0.4em;
    color: var(--gold-dim);
    text-transform: uppercase;
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .section-heading::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border), transparent);
  }

  /* 記事グリッド */
  .articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
  }

  .article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 28px 24px;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
  }

  .article-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--purple), var(--gold));
    opacity: 0;
    transition: opacity 0.3s;
  }

  .article-card:hover {
    border-color: var(--gold-dim);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.4);
  }

  .article-card:hover::before { opacity: 1; }

  .card-tag {
    display: inline-block;
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    color: var(--purple-lt);
    background: var(--tag-bg);
    border: 1px solid var(--purple);
    padding: 3px 10px;
    border-radius: 20px;
    align-self: flex-start;
  }

  .card-title {
    font-family: 'Noto Serif JP', serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text);
  }

  .card-excerpt {
    font-size: 0.8rem;
    line-height: 1.8;
    color: var(--muted);
    flex: 1;
  }

  .card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
  }

  .card-date {
    font-family: 'Cormorant Garamond', serif;
    font-size: 0.75rem;
    color: var(--gold-dim);
    letter-spacing: 0.1em;
  }

  .card-arrow {
    font-size: 0.75rem;
    color: var(--gold);
    opacity: 0;
    transition: opacity 0.3s, transform 0.3s;
  }

  .article-card:hover .card-arrow {
    opacity: 1;
    transform: translateX(4px);
  }

  /* 固定ページリンク */
  .static-section {
    margin-top: 64px;
  }

  .static-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .static-link {
    display: inline-block;
    padding: 10px 20px;
    border: 1px solid var(--border);
    color: var(--muted);
    text-decoration: none;
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    border-radius: 2px;
    transition: border-color 0.3s, color 0.3s;
  }

  .static-link:hover {
    border-color: var(--gold-dim);
    color: var(--gold);
  }

  /* フッター */
  footer {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 32px 20px;
    border-top: 1px solid var(--border);
    font-size: 0.72rem;
    color: var(--muted);
    letter-spacing: 0.1em;
  }

  footer a {
    color: var(--muted);
    text-decoration: none;
  }

  footer a:hover { color: var(--gold); }

  /* アニメーション */
  .fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.7s ease forwards;
  }
  @keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
  }

  .article-card:nth-child(1) { animation-delay: 0.1s; }
  .article-card:nth-child(2) { animation-delay: 0.2s; }
  .article-card:nth-child(3) { animation-delay: 0.3s; }
  .article-card:nth-child(4) { animation-delay: 0.4s; }



  @media (max-width: 600px) {
    .articles-grid { grid-template-columns: 1fr; }
  }