@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;700;900&family=Syne:wght@400;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,700;1,9..40,300&display=swap');

:root {
  --navy: #0a1628;
  --navy-mid: #0f2044;
  --blue: #1a56db;
  --blue-light: #3b82f6;
  --blue-pale: #dbeafe;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --green: #10b981;
  --gray-50: #f8fafc;
  --gray-100: #f1f5f9;
  --gray-200: #e2e8f0;
  --gray-400: #94a3b8;
  --gray-500: #64748b;
  --gray-700: #334155;
  --gray-900: #0f172a;
  --white: #ffffff;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', 'Noto Sans JP', sans-serif;
  --font-jp: 'Noto Sans JP', sans-serif;
  --nav-h: 68px;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(10,22,40,0.10);
  --shadow-lg: 0 12px 48px rgba(10,22,40,0.16);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--gray-900);
  background: var(--white);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ── NAV ─────────────────────────────────────────── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-h);
  background: rgba(10,22,40,0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex; align-items: center;
}
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
  width: 100%; display: flex; align-items: center; justify-content: space-between;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.nav-logo-icon {
  width: 34px; height: 34px; border-radius: 8px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-weight: 800; color: #fff; font-size: 16px;
}
.nav-logo-text {
  font-family: var(--font-display); font-weight: 700; font-size: 15px;
  color: var(--white); letter-spacing: 0.3px; line-height: 1.2;
}
.nav-logo-sub { font-size: 9px; color: rgba(255,255,255,0.45); font-weight: 400; font-family: var(--font-jp); }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  padding: 8px 14px; border-radius: 7px;
  font-size: 13px; font-weight: 500; color: rgba(255,255,255,0.7);
  text-decoration: none; transition: all 0.15s; font-family: var(--font-jp);
  white-space: nowrap;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.07); }
.nav-link.active { color: #fff; background: rgba(59,130,246,0.2); }
.nav-cta {
  padding: 9px 20px; border-radius: 8px;
  background: var(--blue); color: #fff;
  font-size: 13px; font-weight: 600; text-decoration: none;
  transition: all 0.15s; font-family: var(--font-jp); white-space: nowrap;
}
.nav-cta:hover { background: var(--blue-light); transform: translateY(-1px); }
.nav-mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
.nav-mobile-toggle span { width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.2s; display: block; }

/* ── FOOTER ──────────────────────────────────────── */
.footer {
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 56px 0 32px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto; padding: 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr;
  gap: 48px; margin-bottom: 48px;
}
.footer-brand-name {
  font-family: var(--font-display); font-weight: 700; font-size: 17px;
  color: #fff; margin-bottom: 10px; display: flex; align-items: center; gap: 10px;
}
.footer-brand-desc {
  font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.8;
  font-family: var(--font-jp); max-width: 300px;
}
.footer-col-title {
  font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.3);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
}
.footer-col-links { display: flex; flex-direction: column; gap: 10px; }
.footer-col-link {
  font-size: 13px; color: rgba(255,255,255,0.55); text-decoration: none;
  transition: color 0.15s; font-family: var(--font-jp);
}
.footer-col-link:hover { color: #fff; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.07);
  padding-top: 24px; display: flex; align-items: center; justify-content: space-between;
}
.footer-copy { font-size: 12px; color: rgba(255,255,255,0.3); font-family: var(--font-jp); }
.footer-socials { display: flex; gap: 12px; }
.footer-social {
  width: 34px; height: 34px; border-radius: 8px;
  background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 15px; transition: background 0.15s;
}
.footer-social:hover { background: rgba(255,255,255,0.12); }

/* ── UTILS ───────────────────────────────────────── */
.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section { padding: 96px 0; }
.section-sm { padding: 64px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 2.5px; text-transform: uppercase;
  color: var(--blue); background: var(--blue-pale); padding: 6px 14px; border-radius: 30px;
  font-family: var(--font-display); margin-bottom: 20px;
}
.section-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(28px, 3.5vw, 44px); line-height: 1.18;
  color: var(--navy); margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-title .accent { color: var(--blue); }
.section-sub {
  font-size: 16px; color: var(--gray-500); line-height: 1.8;
  font-family: var(--font-jp); max-width: 600px;
}
.section-header { margin-bottom: 56px; }
.section-header.center { text-align: center; }
.section-header.center .section-sub { margin: 0 auto; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; border-radius: 9px;
  font-size: 14px; font-weight: 600; text-decoration: none;
  transition: all 0.2s; cursor: pointer; border: none;
  font-family: var(--font-jp);
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-light); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,86,219,0.35); }
.btn-outline { background: transparent; color: var(--blue); border: 1.5px solid var(--blue); }
.btn-outline:hover { background: var(--blue-pale); transform: translateY(-1px); }
.btn-white { background: #fff; color: var(--navy); }
.btn-white:hover { background: var(--gray-100); transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: var(--navy); }
.btn-accent:hover { background: #fbbf24; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,158,11,0.35); }

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 12px; border-radius: 20px; font-size: 11px; font-weight: 700;
  font-family: var(--font-jp);
}
.badge-blue { background: var(--blue-pale); color: var(--blue); }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-amber { background: var(--accent-light); color: #92400e; }
.badge-red { background: #fee2e2; color: #dc2626; }

.card {
  background: #fff; border-radius: var(--radius);
  border: 1px solid var(--gray-200); padding: 28px;
  transition: all 0.2s;
}
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--blue-pale); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }

/* Page hero (inner pages) */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 60%, #0a2456 100%);
  padding: calc(var(--nav-h) + 64px) 0 72px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 80% at 80% 50%, rgba(26,86,219,0.12) 0%, transparent 70%);
  pointer-events: none;
}
.page-hero-label { color: rgba(255,255,255,0.5); font-size: 11px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; font-family: var(--font-display); margin-bottom: 16px; }
.page-hero-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(32px, 4.5vw, 52px); color: #fff; line-height: 1.15;
  letter-spacing: -0.5px; margin-bottom: 16px;
}
.page-hero-title .accent { color: var(--accent); }
.page-hero-sub { font-size: 16px; color: rgba(255,255,255,0.6); line-height: 1.8; font-family: var(--font-jp); max-width: 560px; }

/* ── ANIMATIONS ──────────────────────────────────── */
@keyframes fadeUp { from { opacity:0; transform: translateY(24px); } to { opacity:1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.anim-up { animation: fadeUp 0.6s ease both; }
.anim-delay-1 { animation-delay: 0.1s; }
.anim-delay-2 { animation-delay: 0.2s; }
.anim-delay-3 { animation-delay: 0.3s; }
.anim-delay-4 { animation-delay: 0.4s; }

/* ── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links, .nav-cta { display: none; }
  .nav-mobile-toggle { display: flex; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .container { padding: 0 20px; }
  .section { padding: 64px 0; }
}