:root {
  --bg: #f6f7fb;
  --line: #dbe2ef;
  --text: #101428;
  --muted: #5f6783;
  --primary: #2463eb;
  --grad-a: #34bde9;
  --grad-b: #5b47de;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: 'Manrope', sans-serif;
  color: var(--text);
  background: #fff;
}
.container { width: min(1240px, 92vw); margin: 0 auto; }
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}
.brand img { height: 48px; width: auto; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 12px 20px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
}
.btn-dark { background: #121826; color: #fff; }
.btn-primary { background: linear-gradient(90deg, var(--grad-a), var(--primary)); color: #fff; }
.btn-light { background: #fff; color: #1a2033; border-color: var(--line); }

.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
  padding: 34px 0 52px;
}
.pill {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 15px;
  color: #536181;
  margin-bottom: 12px;
  background: #fff;
}
.hero h1 {
  margin: 0;
  font-size: clamp(34px, 5.2vw, 86px);
  line-height: .98;
}
.hero h1 span,
.section-head h2 span,
.authority-card h2 span { background: linear-gradient(90deg, #2463eb, #5b47de, #33bde8); -webkit-background-clip: text; color: transparent; }
.hero .lead { color: #495677; font-size: 18px; margin: 20px 0 0; max-width: 760px; }
.hero .sub { color: #6c7593; font-size: 16px; margin: 18px 0 0; max-width: 700px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 22px; }
.chips { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 18px; }
.chips span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 14px;
  font-size: 14px;
  background: #fff;
}
.hero-visual {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(16, 20, 40, 0.12);
}
.hero-visual img { width: 100%; height: 100%; min-height: 420px; object-fit: cover; display: block; }
.visual-note {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 12px 14px;
  color: #5f6783;
}
.visual-note strong { display: block; color: #141a2d; margin-top: 3px; }

section { padding: 62px 0; }
.soft-bg { background: linear-gradient(180deg, #fff 0%, #e8f4ff 100%); }
.gradient-bg { background: linear-gradient(90deg, #d8f0ff 0%, #d9ddf6 100%); }
.center { text-align: center; max-width: 1120px; margin: 0 auto; }
.kicker { margin: 0; font-size: 34px; }
.section-head .kicker { letter-spacing: .08em; font-size: 36px; color: #6a4ce4; font-weight: 800; text-transform: uppercase; }
.section-head h2 { margin: 14px 0 12px; font-size: clamp(32px, 4.5vw, 72px); line-height: 1.02; }
.section-head p { color: #5f6783; font-size: 20px; line-height: 1.4; max-width: 1000px; margin: 0 auto; }

.card-grid { display: grid; gap: 16px; margin-top: 30px; }
.card-grid.four { grid-template-columns: repeat(4, minmax(0,1fr)); }
.card-grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 26px;
}
.info-card h3 { margin: 0 0 10px; font-size: 30px; }
.info-card p { margin: 0; font-size: 18px; color: #5f6783; line-height: 1.45; }

.flow-row {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 14px;
}
.flow-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  text-align: center;
}
.flow-card h3 { margin: 0; font-size: 32px; }
.flow-card p { margin: 8px 0 0; color: #66708f; font-size: 18px; }

.plans-grid {
  margin-top: 28px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}
.plan-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 28px;
}
.plan-card h4 { margin: 0 0 14px; color: #58627f; font-size: 19px; letter-spacing: .05em; }
.price { margin: 0; font-size: 68px; font-weight: 800; line-height: 1; }
.price small { font-size: 34px; color: #606a88; font-weight: 600; }
.plan-card p { color: #5f6783; font-size: 17px; line-height: 1.45; }
.plan-card ul { margin: 12px 0 18px; padding-left: 18px; color: #20263a; display: grid; gap: 8px; font-size: 16px; }
.plan-card .btn { width: 100%; }
.plan-card.featured {
  background: linear-gradient(145deg, #2baee8, #235de9 56%, #6448df 100%);
  color: #fff;
  border: 0;
}
.plan-card.featured h4,
.plan-card.featured p,
.plan-card.featured .price small,
.plan-card.featured ul { color: rgba(255,255,255,.94); }

.authority-card {
  background: linear-gradient(90deg, #d9f2ff 0%, #efe8ff 100%);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 38px;
}
.authority-card h2 { margin: 12px 0; font-size: clamp(32px, 4.2vw, 68px); line-height: 1.03; }
.authority-card p { color: #5f6783; font-size: 20px; line-height: 1.45; margin: 0 0 16px; }
.authority-note {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 14px 16px;
  color: #1b2438 !important;
  font-weight: 700;
}

.faq-list { max-width: 1100px; margin: 26px auto 0; display: grid; gap: 12px; }
.faq-list details {
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  padding: 0;
  overflow: hidden;
}
.faq-list summary {
  padding: 22px;
  list-style: none;
  cursor: pointer;
  font-size: 38px;
  font-weight: 700;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list details p { margin: 0; padding: 0 22px 22px; font-size: 17px; line-height: 1.45; color: #5f6783; }

.footer { padding: 30px 0 40px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.footer img { height: 44px; width: auto; }
.footer p { margin: 0; color: #73809f; }

@media (max-width: 1200px) {
  .card-grid.four { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .flow-row { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .plans-grid { grid-template-columns: 1fr; }
  .card-grid.three { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .price { font-size: 56px; }
  .faq-list summary { font-size: 30px; }
}
@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; }
  .hero h1 { font-size: clamp(36px, 12vw, 64px); }
  .section-head .kicker { font-size: 24px; }
  .section-head h2 { font-size: clamp(30px, 10vw, 52px); }
  .section-head p { font-size: 17px; }
  .card-grid.four,
  .card-grid.three,
  .flow-row { grid-template-columns: 1fr; }
  .info-card h3 { font-size: 26px; }
  .flow-card h3 { font-size: 24px; }
  .price { font-size: 50px; }
  .price small { font-size: 26px; }
  .faq-list summary { font-size: 24px; }
  .authority-card,
  .plan-card,
  .info-card { padding: 20px; }
  .footer { flex-direction: column; align-items: flex-start; }
}