:root {
  --bg: #F5F0E8;
  --bg-dark: #1B3D2F;
  --fg: #1B1B1B;
  --fg-light: #F5F0E8;
  --accent: #D4623A;
  --accent-muted: #C45E35;
  --muted: #8A8577;
  --border: #D4CFC5;
  --card-bg: #FDFBF7;
  --step-dark: rgba(245, 240, 232, 0.06);
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Navigation */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.nav-logo {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 13px;
  color: var(--muted);
  font-weight: 400;
}

/* Hero */
.hero {
  padding: 80px 40px 100px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.hero-overline {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--muted);
  line-height: 1.65;
  max-width: 420px;
  margin-bottom: 32px;
}
.hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.pill {
  display: inline-block;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 500;
  color: var(--muted);
  background: var(--card-bg);
}

/* Phone mockup */
.hero-visual {
  display: flex;
  justify-content: center;
}
.phone-mockup {
  width: 280px;
  background: #111;
  border-radius: 28px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.18), 0 4px 12px rgba(0,0,0,0.1);
  font-size: 12px;
}
.phone-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0 16px;
  border-bottom: 1px solid #333;
  margin-bottom: 14px;
}
.phone-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
}
.phone-name {
  color: #fff;
  font-weight: 600;
  font-size: 13px;
}
.phone-messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.msg {
  padding: 10px 12px;
  border-radius: 14px;
  line-height: 1.4;
  font-size: 12px;
}
.msg-user {
  background: var(--accent);
  color: #fff;
  align-self: flex-end;
  max-width: 85%;
}
.msg-bot {
  background: #222;
  color: #999;
  align-self: flex-start;
}
.msg-result {
  background: #1A3D2F;
  color: #C8DDD0;
  align-self: flex-start;
}
.result-header {
  font-size: 11px;
  font-weight: 600;
  color: #A8C9B4;
  margin-bottom: 8px;
}
.result-item {
  display: flex;
  justify-content: space-between;
  padding: 4px 0;
  border-top: 1px solid rgba(255,255,255,0.06);
  font-size: 11px;
}
.result-name { color: #C8DDD0; }
.result-price { color: #A8C9B4; font-weight: 600; }

/* Section labels */
.section-label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 20px;
}
.section-body {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* How it works */
.how-it-works {
  background: var(--bg-dark);
  padding: 80px 40px;
}
.how-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.how-inner .section-label { color: rgba(245,240,232,0.5); }
.how-inner .section-headline { color: var(--fg-light); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.step {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
}
.step-num {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}
.step-title {
  font-family: 'Instrument Serif', serif;
  font-size: 20px;
  font-weight: 400;
  color: var(--fg-light);
  margin-bottom: 12px;
  line-height: 1.3;
}
.step-body {
  font-size: 14px;
  color: rgba(245,240,232,0.55);
  line-height: 1.65;
}

/* Search section */
.search-section {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.search-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.search-visual {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.platform-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.platform-logo {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.platform-logo.jalan { background: #C8102E; color: #fff; }
.platform-logo.rakuten { background: #BF0000; color: #fff; }
.platform-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--fg);
}
.platform-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.55;
}
.platform-count {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  margin-top: 4px;
}

/* Approve section */
.approve-section {
  padding: 80px 40px;
  border-bottom: 1px solid var(--border);
}
.approve-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  max-width: 1200px;
  margin: 0 auto;
  align-items: center;
}
.approve-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.approve-icon {
  width: 44px;
  height: 44px;
  background: var(--bg-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-light);
  font-size: 20px;
  margin-bottom: 8px;
}
.approve-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.approve-link {
  font-family: 'Instrument Serif', serif;
  font-size: 22px;
  color: var(--fg);
}
.approve-arrow {
  font-size: 24px;
  color: var(--accent);
  margin: 4px 0;
}
.approve-action {
  font-size: 16px;
  font-weight: 600;
  color: var(--accent);
}

/* Manifesto */
.manifesto {
  padding: 80px 40px;
  background: var(--bg-dark);
}
.manifesto-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-quote {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  color: var(--fg-light);
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin-bottom: 28px;
  font-style: italic;
}
.manifesto-sub {
  font-size: 17px;
  color: rgba(245,240,232,0.55);
  line-height: 1.7;
  max-width: 600px;
  margin: 0 auto;
}

/* Closing */
.closing {
  padding: 80px 40px;
}
.closing-inner {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.closing-headline {
  font-family: 'Instrument Serif', serif;
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  line-height: 1.15;
}
.closing-sub {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.65;
}

/* Footer */
.footer {
  padding: 28px 40px;
  border-top: 1px solid var(--border);
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand {
  font-family: 'Instrument Serif', serif;
  font-size: 16px;
  color: var(--fg);
}
.footer-sep { color: var(--border); }
.footer-desc { font-size: 13px; color: var(--muted); }

/* Responsive */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .search-inner { grid-template-columns: 1fr; }
  .approve-inner { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr 1fr; }
  .nav { padding: 16px 20px; }
  .hero { padding: 48px 20px 60px; }
  .how-it-works, .search-section, .approve-section, .closing { padding: 56px 20px; }
  .manifesto { padding: 56px 20px; }
}
@media (max-width: 600px) {
  .steps { grid-template-columns: 1fr; }
}