:root {
  --navy: #14315c;
  --navy-deep: #0d2244;
  --blue: #1f5fa8;
  --ink: #172033;
  --muted: #5b6b80;
  --line: #d5e0ec;
  --paper: #f4f7fb;
  --white: #ffffff;
  --gold: #b9893f;
  --shadow: 0 18px 50px rgba(20, 49, 92, 0.08);
  --max: 1120px;
  --serif: "Noto Serif SC", "Iowan Old Style", Palatino, Georgia, serif;
  --sans: "Noto Sans SC", "Segoe UI", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.7;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
button, input, textarea { font: inherit; }

.skip {
  position: absolute;
  left: 12px;
  top: -40px;
  background: var(--navy);
  color: white;
  padding: 8px 12px;
  z-index: 20;
}
.skip:focus { top: 12px; }

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(213, 224, 236, 0.9);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  flex: none;
  line-height: 0;
  text-decoration: none;
}
.brand img {
  height: 40px;
  width: auto;
  max-width: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
}
.nav-links a {
  text-decoration: none;
  color: var(--navy);
  font-size: 15px;
}
.nav-links a:hover { color: var(--blue); }
.lang {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.lang button {
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  cursor: pointer;
}
.lang button[aria-pressed="true"] {
  background: var(--navy);
  color: white;
}
.menu-btn {
  display: none;
  border: 1px solid var(--line);
  background: white;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}

.hero {
  background:
    radial-gradient(900px 420px at 100% 0%, rgba(31, 95, 168, 0.12), transparent 60%),
    linear-gradient(180deg, #f8fbfe 0%, #ffffff 70%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 64px;
}
.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-weight: 700;
}
h1 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.15;
  color: var(--navy-deep);
  letter-spacing: -0.02em;
}
.lede {
  margin: 22px 0 0;
  max-width: 38rem;
  color: #31445f;
  font-size: 18px;
}
.actions {
  display: flex;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--navy); color: white; }
.btn-primary:hover { background: var(--navy-deep); }
.btn-ghost { background: white; color: var(--navy); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--navy); }
.note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.hero-card {
  background: var(--navy);
  color: white;
  border-radius: 28px;
  padding: 28px;
  min-height: 360px;
  box-shadow: var(--shadow);
  position: relative;
  overflow: hidden;
}
.hero-card svg.bg {
  position: absolute;
  right: -30px;
  bottom: -40px;
  width: 280px;
  opacity: 0.18;
}
.facts { position: relative; display: grid; gap: 14px; }
.fact {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  padding: 16px 18px;
}
.fact strong { display: block; font-size: 15px; font-weight: 500; color: #d5e4f7; }
.fact span { display: block; margin-top: 4px; font-family: var(--serif); font-size: 26px; }

section { padding: 76px 0; }
section h2 {
  margin: 0 0 12px;
  font-family: var(--serif);
  font-size: clamp(30px, 3vw, 40px);
  color: var(--navy-deep);
  letter-spacing: -0.02em;
}
.section-lead { max-width: 42rem; color: var(--muted); margin: 0 0 32px; }

.paper { background: var(--paper); }
.split {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.panel {
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}
.panel + .panel { margin-top: 14px; }
.panel h3 { margin: 0 0 6px; font-size: 18px; color: var(--navy); }
.panel p { margin: 0; color: #3d4d63; }

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.card {
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
  background: white;
  min-height: 220px;
}
.num {
  display: inline-flex;
  width: 34px;
  height: 34px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: #e7f0fa;
  color: var(--blue);
  font-weight: 700;
  margin-bottom: 16px;
}
.card h3 { margin: 0 0 8px; font-size: 20px; color: var(--navy); }
.card p { margin: 0; color: #3d4d63; }

.flow {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr auto 1fr;
  gap: 12px;
  align-items: center;
  margin-top: 8px;
}
.step {
  background: white;
  border-radius: 18px;
  padding: 20px;
  border: 1px solid var(--line);
}
.step.emphasis {
  background: var(--navy);
  color: white;
  border-color: var(--navy);
}
.step strong { display: block; margin-bottom: 6px; }
.arrow { color: var(--blue); font-size: 22px; text-align: center; }

.contact-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 28px;
}
form {
  display: grid;
  gap: 12px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px;
}
label { font-size: 14px; color: var(--navy); font-weight: 700; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  background: #fbfcfe;
  color: var(--ink);
}
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus {
  outline: 2px solid rgba(31, 95, 168, 0.35);
  border-color: var(--blue);
}
.form-status { min-height: 1.4em; margin: 0; color: var(--blue); font-size: 14px; }

footer {
  background: var(--navy-deep);
  color: #d5e0ec;
  padding: 36px 0 28px;
  font-size: 14px;
}
.foot {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
footer a { color: white; }
.disclaimer { max-width: 46rem; }

@media (max-width: 860px) {
  .hero-grid, .split, .cards, .contact-grid, .flow {
    grid-template-columns: 1fr;
  }
  .arrow { transform: rotate(90deg); }
  .menu-btn { display: inline-flex; }
  .nav-links {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 76px;
    background: white;
    border-bottom: 1px solid var(--line);
    padding: 12px 20px 18px;
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-links.open { display: flex; }
  .hero-grid { padding-top: 40px; }
  section { padding: 56px 0; }
}