/* ============================================================
 * Kingfin JP — Common Styles
 * 全ページ共通の reset / 変数 / ヘッダー / フッター / モバイルナビ
 * ============================================================ */

/* リセット */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

/* CSS 変数（ブランドパレット） */
:root {
  --y:    #FFD21A;
  --y10:  rgba(255,210,26,.10);
  --y20:  rgba(255,210,26,.20);
  --dk:   #111;
  --dk2:  #1a1a1a;
  --gray: #888;
  --gray2:#aaa;
  --bd:   rgba(255,255,255,.08);
  --bl:   #60a5fa;
  --bl10: rgba(96,165,250,.10);
  --bl20: rgba(96,165,250,.20);
  --grn:  #4ade80;
  --grn10:rgba(74,222,128,.10);
  --grn20:rgba(74,222,128,.20);
  --pur:  #a78bfa;
  --pur10:rgba(167,139,250,.10);
  --pur20:rgba(167,139,250,.20);
  --red:  #f87171;
  --red10:rgba(248,113,113,.10);
  --red20:rgba(248,113,113,.20);
}

/* ベース */
body {
  font-family: 'Inter', -apple-system, 'Hiragino Sans', 'Meiryo', sans-serif;
  background: #000;
  color: #fff;
  line-height: 1.6;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 24px; }

/* ヘッダー */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 999;
  height: 68px; display: flex; align-items: center;
  background: rgba(0,0,0,.92);
  border-bottom: 1px solid var(--bd);
  backdrop-filter: blur(14px);
}
.header-inner {
  display: flex; align-items: center; gap: 24px;
  width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 7px; flex-shrink: 0; }
.logo-star { color: var(--y); font-size: 20px; }
.logo-text { font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.nav { display: flex; gap: 2px; flex: 1; }
.nav a {
  padding: 7px 12px; font-size: 13px; font-weight: 500;
  color: rgba(255,255,255,.7); border-radius: 6px;
  transition: color .2s, background .2s;
}
.nav a:hover, .nav a.active { color: #fff; background: rgba(255,255,255,.07); }
.nav a.active { color: var(--y); }
.hdr-right { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.hdr-login {
  padding: 7px 18px; font-size: 13px; font-weight: 600; color: #fff;
  background: transparent; border: 1.5px solid rgba(255,255,255,.22);
  border-radius: 7px; transition: border-color .2s;
}
.hdr-login:hover { border-color: rgba(255,255,255,.5); }
.hdr-signup {
  padding: 7px 18px; font-size: 13px; font-weight: 700;
  background: var(--y); color: #000; border-radius: 7px;
  transition: background .2s;
}
.hdr-signup:hover { background: #ffe030; }

/* ハンバーガー */
.ham {
  display: none; flex-direction: column; gap: 5px; padding: 6px;
  margin-left: auto; background: none; border: none; cursor: pointer;
}
.ham span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; }

/* モバイルナビ */
.mnav {
  position: fixed; top: 68px; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.97); z-index: 998;
  padding: 20px 24px; display: flex; flex-direction: column; gap: 4px;
  transform: translateX(100%); transition: transform .32s ease;
  overflow-y: auto;
}
.mnav.open { transform: translateX(0); }
.mnav a {
  display: block; padding: 14px 0; font-size: 16px; font-weight: 500;
  color: rgba(255,255,255,.85); border-bottom: 1px solid rgba(255,255,255,.06);
}
.mnav-btns { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.btn-y-full {
  display: block; text-align: center; padding: 13px;
  background: var(--y); color: #000; font-weight: 700; border-radius: 8px;
}
.btn-ghost-full {
  display: block; text-align: center; padding: 13px;
  border: 1.5px solid rgba(255,255,255,.22); color: #fff; font-weight: 600; border-radius: 8px;
}

/* フッター */
.footer { border-top: 1px solid var(--bd); padding: 40px 0; }
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 20px;
}
.footer-logo { display: flex; align-items: center; gap: 7px; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: 12px; color: var(--gray); transition: color .2s; }
.footer-links a:hover { color: #fff; }
.footer-copy { font-size: 11px; color: var(--gray); }

/* レスポンシブ */
@media (max-width: 768px) {
  .nav, .hdr-right .hdr-login, .hdr-right .hdr-signup { display: none; }
  .ham { display: flex; }
}