/* ============================================================
   Responsive — 한국어 버전
   ブレイクポイント：1200 / 992 / 768 / 576
   ============================================================ */

/* === 大 → 中 === */
@media (max-width: 1200px) {
  :root { --container-w: 100%; }
  .header-inner { gap: 16px; }
  .main-nav a { padding: 8px 10px; font-size: 12px; }
  .hero-title { font-size: 50px; }
  .news-cards-grid { gap: 12px; }
}

/* === 平板 === */
@media (max-width: 992px) {
  .header-inner { gap: 12px; }
  .main-nav ul { gap: 0; }
  .main-nav a { padding: 6px 8px; font-size: 11px; }
  .logo-text { font-size: 8px; }
  .logo-cn { font-size: 9px; }

  .news-cards-grid { grid-template-columns: repeat(2, 1fr); }
  .pn-grid { grid-template-columns: 1fr; }
  .pn-main { min-height: 240px; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .ql-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, auto); }
  .footer-social { flex-direction: row; justify-content: space-between; }
}

/* === スマホ === */
@media (max-width: 768px) {
  :root { --header-h: 56px; }
  .header-inner { padding: 0 12px; gap: 8px; }
  .logo-text { display: none; }
  .lang-btn { padding: 8px 8px; font-size: 12px; }
  .lang-current { display: none; }
  .lang-menu { min-width: 140px; }

  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: var(--color-bg-blue);
    border-top: 1px solid rgba(255,255,255,.15);
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s var(--ease);
    z-index: 99;
  }
  .main-nav.open { max-height: 320px; }
  .main-nav ul { flex-direction: column; align-items: stretch; }
  .main-nav li { width: 100%; }
  .main-nav a { display: block; padding: 12px 20px; border-bottom: 1px solid rgba(255,255,255,.15); }
  .menu-toggle { display: flex; }

  .hero-content { text-align: center; }
  .hero-title { font-size: 36px; }
  .hero-sub { font-size: 14px; }

  .news-cards-section { margin-top: -30px; padding-bottom: 32px; }
  .news-cards-grid { grid-template-columns: 1fr; gap: 12px; }

  .media-block { padding-bottom: 32px; }
  .block-title { font-size: 24px; margin-bottom: 16px; }
  .video-grid { grid-template-columns: 1fr; gap: 14px; }

  .quicklinks { padding-bottom: 32px; }

  .site-footer { padding-top: 48px; }
  .footer-welcome { font-size: 24px; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-social { flex-direction: column; gap: 14px; }
  .city-skyline { height: 50px; }
}

/* === 小スマホ === */
@media (max-width: 480px) {
  .container { padding: 0 14px; }
  .hero-title { font-size: 28px; letter-spacing: 0.03em; }
  .lang-btn { padding: 8px 6px; font-size: 11px; }
  .news-card a { padding: 10px; gap: 10px; }
  .nc-thumb { width: 64px; height: 64px; }
  .news-card h3 { font-size: 13px; }
  .ql-thumb { width: 52px; height: 52px; }
  .ql-text { font-size: 14px; }
}

/* === ハンバーガーメニュー（デフォルトは非表示） === */