/* Professional Virtual Office Theme (Corporate Trust Blue) */
:root {
  --primary: #0066CC;
  --primary-dark: #004C99;
  --primary-light: #EBF3FC;
  --navy: #0A2540;
  --accent: #FF6600;
  --accent-hover: #E65C00;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --bg-light: #F8FAFC;
  --white: #FFFFFF;
  --card-border: #E2E8F0;
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 32px rgba(10, 37, 64, 0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  color: var(--text-dark); background-color: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased;
}

/* PR表記バー（A8・景表法準拠） */
.pr-disclosure-bar {
  background-color: #f1f5f9;
  border-bottom: 1px solid #e2e8f0;
  padding: 6px 16px;
  font-size: 11px;
  color: #64748b;
  text-align: center;
}

.announcement-bar {
  background: linear-gradient(90deg, #0A2540, #0066CC);
  color: #fff; text-align: center; padding: 10px 16px; font-size: 13px; font-weight: 600;
}
.announcement-bar span {
  background: #FFD54F; color: #0A2540; padding: 2px 8px; border-radius: 4px; margin-right: 8px; font-weight: 700; font-size: 12px;
}

header {
  position: sticky; top: 0; background: rgba(255, 255, 255, 0.98); backdrop-filter: blur(8px); border-bottom: 1px solid var(--card-border); z-index: 100;
}
.nav-container {
  max-width: 1120px; margin: 0 auto; padding: 14px 20px; display: flex; justify-content: space-between; align-items: center;
}
.logo { font-size: 20px; font-weight: 800; color: var(--navy); display: flex; align-items: center; gap: 8px; }
.logo-badge { font-size: 11px; background: var(--primary-light); color: var(--primary); padding: 2px 6px; border-radius: 4px; font-weight: 700; }

.btn-primary {
  display: inline-block; background: linear-gradient(180deg, var(--accent) 0%, var(--accent-hover) 100%);
  color: #fff; font-weight: 700; font-size: 17px; padding: 16px 36px; border-radius: 50px; text-decoration: none;
  box-shadow: 0 4px 14px rgba(255, 102, 0, 0.35); transition: all 0.2s ease; text-align: center;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255, 102, 0, 0.45); }

.hero { padding: 50px 20px 60px; background: radial-gradient(circle at 10% 20%, rgba(235, 243, 252, 0.8) 0%, rgba(255, 255, 255, 1) 90%); }
.hero-container { max-width: 1120px; margin: 0 auto; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.hero-tag { display: inline-block; background: #E3F2FD; color: #0277BD; font-size: 13px; font-weight: 700; padding: 6px 14px; border-radius: 20px; margin-bottom: 16px; border: 1px solid #B3E5FC; }
.hero h1 { font-size: 34px; font-weight: 800; line-height: 1.35; color: var(--navy); margin-bottom: 16px; }
.highlight-text { color: var(--primary); background: linear-gradient(transparent 65%, #BBDEFB 65%); }
.hero-desc { font-size: 16px; color: var(--text-muted); margin-bottom: 24px; }
.cta-group { margin-bottom: 24px; }
.cta-subtext { margin-top: 10px; font-size: 12px; color: var(--text-muted); display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image-wrapper img { width: 100%; border-radius: 16px; box-shadow: var(--shadow-lg); }

.trust-bar { background: var(--navy); color: #fff; padding: 24px 20px; }
.trust-container { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; text-align: center; }
.stat-item h3 { font-size: 26px; font-weight: 800; color: #64B5F6; margin-bottom: 4px; }
.stat-item p { font-size: 13px; color: #CFD8DC; font-weight: 600; }

.section-title { text-align: center; font-size: 28px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.section-subtitle { text-align: center; font-size: 15px; color: var(--text-muted); margin-bottom: 40px; }

/* Plan Comparison Grid */
.plans-section { padding: 70px 20px; max-width: 1120px; margin: 0 auto; }
.plans-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.plan-card {
  background: var(--white); border: 2px solid var(--card-border); border-radius: 16px; padding: 32px 24px;
  display: flex; flex-direction: column; justify-content: space-between; box-shadow: var(--shadow-sm); position: relative;
}
.plan-card.featured { border-color: var(--primary); box-shadow: var(--shadow-md); }
.plan-badge {
  position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
  background: var(--primary); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 16px; border-radius: 20px;
}
.plan-title { font-size: 20px; font-weight: 800; color: var(--navy); margin-bottom: 8px; }
.plan-price { font-size: 32px; font-weight: 800; color: var(--accent); margin-bottom: 16px; }
.plan-price span { font-size: 14px; color: var(--text-muted); font-weight: normal; }
.plan-list { list-style: none; margin-bottom: 24px; }
.plan-list li { font-size: 14px; margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.plan-list li::before { content: "✔"; color: #2E7D32; font-weight: bold; }

/* Features */
.features-section { background: var(--bg-light); padding: 70px 20px; }
.features-container { max-width: 1120px; margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { background: var(--white); padding: 32px 24px; border-radius: 14px; border: 1px solid var(--card-border); }
.feature-icon { font-size: 36px; margin-bottom: 14px; }
.feature-card h4 { font-size: 18px; font-weight: 700; color: var(--navy); margin-bottom: 8px; }
.feature-card p { font-size: 13px; color: var(--text-muted); }

/* Bottom CTA */
.bottom-cta { padding: 70px 20px; text-align: center; background: linear-gradient(180deg, #FFFFFF 0%, #EBF3FC 100%); }
.bottom-cta h2 { font-size: 30px; font-weight: 800; color: var(--navy); margin-bottom: 12px; }
.bottom-cta p { font-size: 15px; color: var(--text-muted); margin-bottom: 30px; }

/* Sticky Mobile CTA */
.sticky-mobile-cta {
  position: fixed; bottom: 0; left: 0; width: 100%; background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px); padding: 10px 16px; box-shadow: 0 -4px 16px rgba(0,0,0,0.12);
  display: flex; justify-content: center; align-items: center; z-index: 9999; border-top: 1px solid #BBDEFB;
}
.sticky-mobile-cta .btn-primary { width: 100%; max-width: 480px; padding: 14px 20px; font-size: 16px; }
body { padding-bottom: 70px; }

footer { background: #0A2540; color: #94A3B8; padding: 30px 20px; text-align: center; font-size: 12px; }

@media (max-width: 768px) {
  .hero-container { grid-template-columns: 1fr; text-align: center; }
  .hero h1 { font-size: 26px; }
  .trust-container { grid-template-columns: 1fr 1fr; }
  .plans-grid { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .cta-subtext { justify-content: center; }
}