/* =========================================================
   LP用に共通ヘッダー（gheader）だけを切り出したCSS
   custom-global.css から必要な部分のみ抽出。LPはcustom-global.cssを
   読み込まないため、このファイルとgnav.cssをLPだけに追加する
   ========================================================= */

/* ----- 4) 共通ヘッダー（BLOGページのデザインに統一, 2026-07-16） ----- */
.gheader { position: fixed; top: 0; left: 0; right: 0; z-index: 160; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; height: 72px; background: rgba(25,25,25,0.96); backdrop-filter: blur(4px); }
.gheader-logo img { height: 48px; width: auto; display: block; }
.gheader-nav { display: flex; gap: 32px; align-items: center; }
.gheader-nav a { font-size: 13px; font-weight: 600; letter-spacing: 0.1em; color: #ffffff !important; opacity: 0.85; transition: opacity 0.2s; text-decoration: none !important; font-family: "Noto Sans JP", "Gill Sans", sans-serif; }
.gheader-nav a:hover { opacity: 1; }
.gheader-nav .btn-contact { background: #D70C18; padding: 10px 24px; font-weight: 700; font-size: 13px; letter-spacing: 0.08em; transform: skewX(-10deg); display: inline-block; transition: box-shadow 0.2s, transform 0.2s; opacity: 1; }
.gheader-nav .btn-contact span { display: block; transform: skewX(10deg); }
.gheader-nav .btn-contact:hover { box-shadow: 4px 4px 0 #ffffff; transform: skewX(-10deg) scale(1.02); }

/* ハンバーガー・モバイルメニュー */
.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; cursor: pointer; background: none; border: none; padding: 8px; position: relative; z-index: 200; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; transition: transform 0.3s, opacity 0.3s; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-nav { display: none; position: fixed; inset: 0; background: rgba(25,25,25,0.98); z-index: 150; align-items: center; justify-content: center; opacity: 0; transition: opacity 0.3s; }
.mobile-nav.open { opacity: 1; pointer-events: auto; }
.mobile-nav nav { display: flex; flex-direction: column; gap: 24px; text-align: center; }
.mobile-nav nav a { font-size: 18px; font-weight: 600; font-family: "Noto Sans JP", "Gill Sans", sans-serif; color: rgba(255,255,255,0.85); letter-spacing: 0.12em; text-decoration: none !important; }
.mobile-nav nav .btn-contact { background: #D70C18; color: #fff !important; padding: 12px 40px; transform: skewX(-10deg); display: inline-block; }
.mobile-nav nav .btn-contact span { display: block; transform: skewX(10deg); }
@media (max-width: 640px) {
  .hamburger { display: flex; }
  .gheader-nav { display: none !important; }
  .mobile-nav { display: flex; pointer-events: none; }
}