/* ─── JADE 公式HP 共通スタイル ─── */
/* 会員サイト(jade-member)のデザイン言語と統一 */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,300;1,400&family=Noto+Sans+JP:wght@300;400;500;700&family=Cinzel:wght@400;600&display=swap');

:root {
  --cream:       #f4efe6;
  --cream-2:     #ede5d8;
  --navy:        #1a1f3e;
  --navy-2:      #252b52;
  --gold:        #c8a45a;
  --gold-2:      #e4c98a;
  --gold-pale:   #faf5ec;
  --white:       #ffffff;
  --text:        #1a1f3e;
  --text-2:      #4a5068;
  --text-3:      #8891a8;
  --border:      rgba(200,164,90,0.25);
  --border-2:    #e0d8cc;
  --green:       #2d6a4f;
  --orange:      #c94f27;
  --shadow:      0 4px 24px rgba(26,31,62,0.07);
  --shadow-lg:   0 16px 56px rgba(26,31,62,0.14);
  --radius:      2px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--cream);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

/* ─── ナビゲーション ─── */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(244,239,230,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  height: 88px;
}
.nav-inner {
  max-width: 1140px; margin: 0 auto; padding: 0 2rem;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.nav-logo img { height: 72px; width: auto; max-width: none; mix-blend-mode: multiply; }
.nav-links { display: flex; align-items: center; gap: 0; list-style: none; }
.nav-links a {
  display: block; padding: 0 16px; font-size: 13px; font-weight: 500;
  color: var(--text-2); letter-spacing: 0.04em;
  height: 88px; line-height: 88px;
  border-bottom: 2px solid transparent; transition: color .2s, border-color .2s;
}
.nav-links a:hover { color: var(--gold); }
.nav-links a.active { color: var(--navy); border-bottom-color: var(--gold); font-weight: 700; }
.nav-cta a {
  background: var(--gold) !important; color: var(--navy) !important;
  font-weight: 700 !important; font-size: 13px !important;
  height: auto !important; line-height: normal !important; margin-top: 0 !important;
  padding: 9px 20px !important; margin-left: 8px;
  border-bottom: none !important; border-radius: var(--radius) !important;
  transition: background .2s !important;
}
.nav-cta a:hover { background: var(--navy) !important; color: var(--gold) !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--navy); transition: all .3s; }
.mobile-nav {
  display: none; position: fixed; inset: 88px 0 0 0; z-index: 99;
  background: rgba(244,239,230,0.98); backdrop-filter: blur(16px);
  flex-direction: column; padding: 2rem;
  border-top: 1px solid var(--border);
}
.mobile-nav.open { display: flex; }
.mobile-nav a { font-size: 18px; font-weight: 500; padding: 14px 0; border-bottom: 1px solid var(--border-2); color: var(--text-2); }
.mobile-nav .mobile-cta {
  margin-top: 24px; background: var(--gold); color: var(--navy) !important;
  font-weight: 700 !important; text-align: center; padding: 16px !important;
  border-bottom: none !important; border-radius: var(--radius);
}

/* ─── セクション共通 ─── */
.section { padding: 80px 2rem; }
.section-inner { max-width: 1140px; margin: 0 auto; }
.section-label {
  font-family: 'Cinzel', serif; font-size: 11px;
  letter-spacing: 0.25em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 12px;
}
.section-heading {
  font-family: 'Cormorant Garamond', serif; font-size: 36px;
  font-weight: 600; color: var(--navy); line-height: 1.3; margin-bottom: 16px;
}
.section-sub { font-size: 15px; color: var(--text-2); line-height: 1.9; margin-bottom: 48px; }
.section-bg { background: var(--white); }
.section-navy { background: var(--navy); color: var(--white); }
.section-gold { background: var(--gold-pale); }

/* ─── ボタン ─── */
.btn {
  display: inline-block; padding: 13px 32px; font-size: 14px;
  font-weight: 700; letter-spacing: 0.06em; border-radius: var(--radius);
  transition: all .2s; cursor: pointer;
}
.btn-gold { background: var(--gold); color: var(--navy); }
.btn-gold:hover { background: #b8943a; }
.btn-navy { background: var(--navy); color: var(--gold); }
.btn-navy:hover { background: var(--navy-2); }
.btn-outline { border: 1.5px solid var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: var(--navy); }
.btn-white { background: var(--white); color: var(--navy); }
.btn-white:hover { background: var(--gold-pale); }
.btn-sm { padding: 9px 20px; font-size: 13px; }

/* ─── カード ─── */
.card {
  background: var(--white); border: 1px solid var(--border-2);
  padding: 28px 24px; border-radius: var(--radius);
}
.card-gold { border-top: 3px solid var(--gold); }
.card-navy { border-top: 3px solid var(--navy); }

/* ─── グリッド ─── */
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* ─── フッター ─── */
.site-footer {
  background: linear-gradient(160deg, #222848 0%, #2e3872 60%, #1e2550 100%);
  color: rgba(255,255,255,0.65);
  padding: 64px 2rem 0;
  position: relative; overflow: hidden;
}
.site-footer::before {
  content: '';
  position: absolute; bottom: -140px; right: -140px;
  width: 560px; height: 560px;
  border: 1px solid rgba(200,164,90,0.1);
  border-radius: 50%;
}
.site-footer::after {
  content: '';
  position: absolute; bottom: -60px; right: -60px;
  width: 320px; height: 320px;
  border: 1px solid rgba(200,164,90,0.06);
  border-radius: 50%;
}
.footer-ring {
  position: absolute; top: -80px; left: -80px;
  width: 380px; height: 380px;
  border: 1px solid rgba(200,164,90,0.06);
  border-radius: 50%;
}
.footer-inner {
  max-width: 1140px; margin: 0 auto;
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px; border-bottom: 1px solid rgba(200,164,90,0.12);
  position: relative; z-index: 1;
}
.footer-brand img { height: 72px; width: auto; max-width: none; filter: brightness(0) invert(1) opacity(0.9); margin-bottom: 16px; }
.footer-brand .footer-name { font-family: 'Cinzel', serif; font-size: 12px; color: var(--gold-2); letter-spacing: 0.15em; margin-bottom: 8px; }
.footer-brand p { font-size: 12px; line-height: 1.9; color: rgba(255,255,255,0.55); }
.footer-col h4 {
  font-family: 'Cinzel', serif; font-size: 10px; font-weight: 600;
  color: var(--gold); letter-spacing: 0.2em; text-transform: uppercase; margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; transition: color .2s; color: rgba(255,255,255,0.6); }
.footer-col ul li a:hover { color: var(--gold); }
.footer-col p { font-size: 13px; line-height: 1.9; }
.footer-copy {
  max-width: 1140px; margin: 0 auto;
  padding: 20px 0; text-align: center; font-size: 11px;
  letter-spacing: 0.05em; color: rgba(255,255,255,0.25);
  position: relative; z-index: 1;
}

/* ─── フローティングジェイドくん ─── */
.jade-float { position: fixed; bottom: 28px; right: 28px; z-index: 200; }
.jade-float-link { display: block; position: relative; }
.jade-float img { width: 80px; filter: drop-shadow(0 4px 16px rgba(26,31,62,0.25)); transition: transform .3s; }
.jade-float-link:hover img { transform: scale(1.08) rotate(-4deg); }
.jade-bubble {
  position: absolute; bottom: 90px; right: 0;
  background: var(--white); border: 2px solid var(--gold);
  border-radius: 12px 12px 4px 12px; padding: 8px 14px;
  font-size: 13px; color: var(--navy); font-weight: 700;
  white-space: nowrap; box-shadow: var(--shadow);
  opacity: 0; transform: translateY(8px); transition: all .3s;
  pointer-events: none;
}
.jade-float-link:hover .jade-bubble { opacity: 1; transform: translateY(0); }

/* ─── ページ共通ヒーロー ─── */
.page-hero { background: var(--navy); color: var(--white); padding: 64px 2rem; }
.page-hero-inner { max-width: 1140px; margin: 0 auto; }
.page-hero-label { font-family: 'Cinzel', serif; font-size: 11px; letter-spacing: 0.25em; color: var(--gold); margin-bottom: 12px; }
.page-hero h1 { font-family: 'Cormorant Garamond', serif; font-size: 40px; font-weight: 600; line-height: 1.3; margin-bottom: 12px; }
.page-hero p { font-size: 15px; color: rgba(255,255,255,0.7); line-height: 1.9; }

/* ─── レスポンシブ ─── */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .section { padding: 56px 1.25rem; }
  .section-heading { font-size: 28px; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .page-hero h1 { font-size: 30px; }
}
@media (max-width: 600px) {
  .section-heading { font-size: 24px; }
  .grid-4 { grid-template-columns: repeat(2,1fr); gap: 12px; }
  .page-hero h1 { font-size: 26px; }
  .jade-float img { width: 64px; }
}