:root {
  --accent: #4F6EF7;
  --accent-dark: #3451D1;
  --text: #1A1A2E;
  --text-muted: #6B7280;
  --bg: #FAFAFA;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --pro: #F59E0B;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
}

a { color: var(--accent); text-decoration: none; }

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.logo {
  font-size: 18px; font-weight: 800; color: var(--text);
}

/* Hero */
.hero {
  padding: 72px 0 64px;
  background: linear-gradient(160deg, #1A1A2E 0%, #2D3561 60%, #1A1A2E 100%);
  color: white;
}
.hero-inner {
  display: flex; align-items: center; gap: 64px;
}
.hero-text { flex: 1; }
.hero-eyebrow {
  font-size: 13px; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: #7B9FFF; margin-bottom: 12px;
}
h1 {
  font-size: 40px; font-weight: 800; line-height: 1.2; margin-bottom: 18px;
}
h1 span { color: #7B9FFF; }
.hero-desc {
  font-size: 17px; color: rgba(255,255,255,.78); margin-bottom: 32px; line-height: 1.7;
}
.hero-desc strong { color: white; }

.cta-group {
  display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 14px;
}
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 12px 20px; border-radius: 12px;
  font-size: 14px; font-weight: 600; cursor: pointer;
  transition: transform .15s, box-shadow .15s;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,.2); }
.btn-store {
  background: rgba(255,255,255,.15);
  border: 1.5px solid rgba(255,255,255,.3);
  color: white;
}
.btn-white {
  background: white;
  border: 1.5px solid white;
  color: var(--text);
}
.store-icon { font-size: 22px; line-height: 1; }
.store-text { line-height: 1.3; text-align: left; }
.store-text small { font-size: 11px; font-weight: 400; opacity: .8; }
.free-note { font-size: 13px; color: rgba(255,255,255,.5); }

/* Phone mock */
.hero-visual { flex-shrink: 0; }
.phone-mock {
  width: 200px; height: 380px;
  background: #0D0D1A;
  border-radius: 36px;
  border: 8px solid #2A2A40;
  box-shadow: 0 32px 80px rgba(0,0,0,.6);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.phone-screen {
  width: 100%; height: 100%;
  background: linear-gradient(160deg, #1C1C2E 0%, #2D2D4A 100%);
  display: flex; align-items: center; justify-content: center;
  padding: 16px;
}
.widget-preview {
  width: 130px; height: 130px;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
.widget-image-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #4F6EF7 0%, #7B9FFF 100%);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7); font-size: 12px; font-weight: 500;
}

/* Sections */
section { padding: 72px 0; }
.section-title {
  font-size: 28px; font-weight: 800; text-align: center;
  margin-bottom: 40px;
}

/* Problem */
.problem { background: #FFF5F5; }
.problem-cards {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}
.problem-card {
  background: white; border: 1px solid #FCA5A5;
  border-radius: 14px; padding: 24px; text-align: center;
}
.problem-icon { font-size: 36px; margin-bottom: 12px; }
.problem-card p { font-size: 15px; color: var(--text-muted); line-height: 1.6; }

/* Solution */
.solution { background: white; }
.steps { max-width: 480px; margin: 0 auto; }
.step {
  display: flex; align-items: flex-start; gap: 20px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
}
.step-num {
  width: 36px; height: 36px; border-radius: 50%; flex-shrink: 0;
  background: var(--accent); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 800;
}
.step-body h3 { font-size: 16px; margin-bottom: 4px; }
.step-body p { font-size: 14px; color: var(--text-muted); margin: 0; }
.step-arrow {
  text-align: center; font-size: 22px; color: var(--accent);
  margin: 8px 0; padding-left: 18px;
}

/* Features */
.features { background: var(--bg); }
.feature-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
}
.feature-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px;
}
.feature-icon { font-size: 32px; margin-bottom: 12px; }
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-muted); margin: 0; }

/* Pricing */
.pricing { background: white; }
.pricing-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  max-width: 560px; margin: 0 auto 20px;
}
.plan {
  border: 2px solid var(--border); border-radius: 16px;
  padding: 28px; background: var(--bg);
}
.plan.pro { border-color: var(--pro); background: #FFFBEB; }
.plan-label {
  font-size: 12px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-muted); margin-bottom: 8px;
}
.pro-label { color: #B45309; }
.plan-price {
  font-size: 36px; font-weight: 800; margin-bottom: 4px;
}
.plan-note { font-size: 13px; color: var(--text-muted); margin-bottom: 20px; }
.plan-features { list-style: none; font-size: 14px; }
.plan-features li { padding: 7px 0; border-top: 1px solid var(--border); }
.pricing-note {
  text-align: center; font-size: 14px; color: var(--text-muted);
}

/* CTA section */
.cta-section {
  background: linear-gradient(135deg, #1A1A2E 0%, #2D3561 100%);
  color: white; text-align: center; padding: 72px 0;
}
.cta-section h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { font-size: 16px; color: rgba(255,255,255,.7); margin-bottom: 32px; }
.cta-section .cta-group { justify-content: center; }

/* Footer */
.footer {
  background: var(--text); color: rgba(255,255,255,.5);
  padding: 32px 0; font-size: 13px;
}
.footer .container {
  display: flex; align-items: center; justify-content: space-between;
}
.footer-nav { display: flex; gap: 24px; }
.footer-nav a { color: rgba(255,255,255,.5); }
.footer-nav a:hover { color: white; }

/* Responsive */
@media (max-width: 700px) {
  h1 { font-size: 28px; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-visual { order: -1; }
  .problem-cards { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer .container { flex-direction: column; gap: 12px; }
}
