:root {
  --deep: #07111f;
  --navy: #0b1220;
  --panel: #101a2e;
  --panel2: #15243d;
  --cyan: #22d3ee;
  --blue: #38bdf8;
  --violet: #8b5cf6;
  --ink: #0f172a;
  --muted: #475569;
  --line: #dbe5f0;
  --shadow: 0 18px 46px rgba(15, 23, 42, 0.14);
  --shadow3d: 0 14px 0 rgba(8, 47, 73, 0.36), 0 24px 55px rgba(15, 23, 42, 0.26);
  --radius: 22px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(34,211,238,0.10), transparent 28rem),
    radial-gradient(circle at top right, rgba(139,92,246,0.10), transparent 30rem),
    #f7fbff;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.wrap { width: min(1160px, calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(7, 17, 31, 0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  color: white;
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 15px 0;
}
.brand { font-weight: 900; letter-spacing: -0.02em; font-size: 1.18rem; }
.brand span { color: var(--cyan); }
.site-links { display: flex; align-items: center; justify-content: flex-end; gap: 10px; flex-wrap: wrap; font-size: 0.88rem; }
.site-links a { display: inline-block; padding: 7px 10px; border-radius: 999px; color: #dbeafe !important; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.10); text-decoration: none !important; line-height: 1.1; white-space: nowrap; }
.site-links a:hover, .site-links a.active { color: white !important; background: rgba(34,211,238,0.18); border-color: rgba(125,211,252,0.34); }

.hero {
  color: white;
  background:
    radial-gradient(circle at 18% 18%, rgba(34,211,238,.26), transparent 28rem),
    radial-gradient(circle at 84% 14%, rgba(139,92,246,.24), transparent 28rem),
    linear-gradient(135deg, #07111f 0%, #0b1220 50%, #101a2e 100%);
  padding: 88px 0 68px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.8), transparent 82%);
  pointer-events: none;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.12fr 0.88fr; gap: 38px; align-items: center; }
.eyebrow { display: inline-block; color: #a5f3fc; text-transform: uppercase; font-weight: 900; letter-spacing: 0.16em; font-size: 0.78rem; margin-bottom: 14px; }
h1 { font-size: clamp(2.7rem, 6vw, 5.35rem); line-height: 1.01; letter-spacing: -0.065em; margin: 0 0 22px; }
.lead { font-size: 1.24rem; color: #dff7ff; max-width: 760px; margin: 0; }
.hero-card { background: linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.055)); border: 1px solid rgba(255,255,255,0.17); border-radius: 28px; padding: 26px; box-shadow: 0 24px 70px rgba(0,0,0,.28); }
.hero-card h3 { margin-top: 0; font-size: 1.35rem; }
.check-list { padding: 0; margin: 18px 0 0; list-style: none; }
.check-list li { border-top: 1px solid rgba(255,255,255,0.13); padding: 12px 0; color: #e2e8f0; }
.check-list li::before { content: "✓"; color: #67e8f9; font-weight: 900; margin-right: 10px; }

section { padding: 76px 0; }
.page-hero { padding: 70px 0; color: white; background: linear-gradient(135deg,#07111f,#101a2e); }
.page-hero h1 { max-width: 900px; }
.page-hero .lead { max-width: 850px; }
.section-title { max-width: 840px; }
.pill { display: inline-block; background: #e0f7ff; color: #075985; padding: 7px 13px; border-radius: 999px; font-size: 0.78rem; font-weight: 900; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 14px; border: 1px solid #bae6fd; }
h2 { font-size: clamp(2rem, 4.4vw, 3.35rem); line-height: 1.08; letter-spacing: -0.045em; margin: 0 0 16px; }
.intro { color: var(--muted); font-size: 1.12rem; margin: 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 34px; }
.card { background: rgba(255,255,255,.92); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: var(--shadow); }
.card h3 { margin: 0 0 10px; font-size: 1.25rem; letter-spacing: -0.02em; }
.card p { color: var(--muted); margin: 0; }
.card ul { margin: 14px 0 0; padding-left: 20px; color: var(--muted); }
.dark-band { background: radial-gradient(circle at 18% 0%, rgba(34,211,238,.14), transparent 30rem), radial-gradient(circle at 94% 16%, rgba(139,92,246,.16), transparent 28rem), #0b1220; color: white; }
.dark-band .intro { color: #cbd5e1; }
.dark-band .pill { background: rgba(34,211,238,.12); color: #a5f3fc; border-color: rgba(165,243,252,.25); }
.dark-band .card { background: #111c31; border-color: rgba(255,255,255,0.12); box-shadow: none; }
.dark-band .card p, .dark-band .card li { color: #cbd5e1; }

.learn-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
.learn-card { position: relative; background: linear-gradient(180deg, #111c31, #0e1728); border: 1px solid rgba(125, 211, 252, 0.25); border-radius: 24px; padding: 0; box-shadow: var(--shadow3d); overflow: hidden; }
.learn-card::before { content: ""; position: absolute; inset: 0 0 auto 0; height: 4px; background: linear-gradient(90deg, var(--cyan), var(--violet)); }
.learn-card details { margin: 0; max-width: none; background: transparent; border: 0; box-shadow: none; border-radius: 0; }
.learn-card summary { background: transparent; color: #ffffff; padding: 22px; display: block; cursor: pointer; }
.learn-card summary::after { display: none; }
.learn-card h3 { margin: 0 0 10px; font-size: 1.28rem; color: white; }
.learn-card .teaser { color: #cbd5e1; margin: 0 0 14px; }
.mini-learn { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; font-weight: 900; color: #082f49; background: linear-gradient(135deg, #67e8f9, #c4b5fd); border-radius: 999px; padding: 7px 11px; box-shadow: 0 5px 0 rgba(8,47,73,.35); }
.learn-card details[open] .mini-learn::after { content: " -"; }
.learn-card:not(:has(details[open])) .mini-learn::after { content: " +"; }
.learn-body { padding: 0 22px 22px; color: #e5f7ff; font-size: .96rem; }
.learn-body p { color: #e5f7ff; margin: 0 0 12px; }
.learn-body p:last-child { margin-bottom: 0; }

.process-box { margin-top: 34px; background: linear-gradient(180deg, #ffffff, #f8fbff); border: 1px solid #dbeafe; border-radius: 30px; padding: 34px; box-shadow: 0 20px 0 rgba(14, 116, 144, .16), var(--shadow); display: grid; grid-template-columns: 0.86fr 1.14fr; gap: 30px; align-items: start; position: relative; overflow: hidden; }
.process-box::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 8px; background: linear-gradient(180deg, var(--cyan), var(--violet)); }
.care-word { font-size: clamp(3.4rem, 8vw, 6.4rem); line-height: .9; margin: 0 0 12px; font-weight: 1000; letter-spacing: .02em; color: #0b1220; text-shadow: 0 5px 0 rgba(34,211,238,.25); }
.care-tagline { display: inline-block; color: #075985; background: #e0f7ff; border: 1px solid #bae6fd; border-radius: 999px; padding: 8px 13px; margin: 0 0 20px; font-weight: 900; }
.process-list { display: grid; gap: 14px; }
.process-item { display: grid; grid-template-columns: 64px 1fr; gap: 16px; align-items: start; padding: 16px; border: 1px solid #dbeafe; border-radius: 20px; background: #ffffff; box-shadow: 0 9px 0 rgba(15,23,42,.07), 0 18px 36px rgba(15,23,42,.08); }
.num { width: 56px; height: 56px; border-radius: 18px; display: grid; place-items: center; color: white; font-weight: 1000; font-size: 1.55rem; background: linear-gradient(135deg, #0891b2, #7c3aed); box-shadow: 0 7px 0 rgba(8,47,73,.28); }
.process-item h4 { margin: 0 0 4px; font-size: 1.08rem; }
.process-item p { margin: 0; color: var(--muted); }

.info-detail { background: #ffffff; color: var(--ink); border: 1px solid #dbeafe; border-radius: 14px; margin-top: 12px; overflow: hidden; box-shadow: 0 8px 0 rgba(15,23,42,.07), 0 18px 36px rgba(15,23,42,.10); max-width: 900px; }
.info-detail summary { cursor: pointer; padding: 10px 14px; font-weight: 900; font-size: 0.92rem; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 14px; color: #0f172a; background: linear-gradient(180deg, #ffffff, #f1f8ff); }
.info-detail summary::-webkit-details-marker { display: none; }
.info-detail summary::after { content: "+"; font-size: 1.05rem; color: #0369a1; line-height: 1; }
.info-detail[open] summary::after { content: "-"; }
.detail-body { padding: 0 14px 14px; color: #1f2937 !important; font-size: 0.94rem; background: #ffffff; }
.detail-body p { color: #1f2937 !important; margin: 12px 0 0; }
.detail-body strong { color: #0f172a !important; }
.summary-note { display: block; font-weight: 500; color: #475569; margin-top: 4px; }

.team { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 34px; }
.avatar { width: 64px; height: 64px; border-radius: 21px; background: linear-gradient(135deg, #67e8f9, #c4b5fd); display: grid; place-items: center; font-weight: 900; margin-bottom: 14px; box-shadow: 0 7px 0 rgba(8,47,73,.18); }
.cta-card { background: linear-gradient(135deg,#0f766e,#172033); color: white; border-radius: 30px; padding: 36px; box-shadow: var(--shadow); }
.cta-card p { color: #e0f2fe; }
footer { background: #020617; color: #94a3b8; padding: 34px 0; }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.legal-note { margin-top: 16px; font-size: 0.88rem; color: #94a3b8; }

@media (max-width: 880px) {
  .nav { align-items: flex-start; flex-direction: column; }
  .site-links { width: 100%; justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; -webkit-overflow-scrolling: touch; }
  .site-links a { flex: 0 0 auto; }
  .hero-grid, .grid-3, .grid-2, .process-box, .team, .learn-grid { grid-template-columns: 1fr; }
  .hero { padding: 58px 0 46px; }
  section { padding: 52px 0; }
  .wrap { width: min(100% - 24px, 1160px); }
  h1 { font-size: clamp(2.25rem, 12vw, 3.4rem); }
  h2 { font-size: clamp(1.85rem, 9vw, 2.6rem); }
  .lead, .intro { font-size: 1.02rem; }
  .hero-card, .card, .process-box { padding: 20px; }
  .process-box { gap: 22px; border-radius: 24px; overflow: hidden; max-width: 100%; }
  .care-word { font-size: clamp(3rem, 18vw, 4.6rem); letter-spacing: -0.03em; overflow-wrap: anywhere; }
  .process-list { min-width: 0; }
  .process-item { grid-template-columns: 48px 1fr; gap: 12px; padding: 14px; min-width: 0; }
  .process-item > div:last-child { min-width: 0; }
  .process-item p, .process-item h4 { overflow-wrap: anywhere; word-break: normal; }
  .num { width: 44px; height: 44px; border-radius: 14px; font-size: 1.25rem; }
  .learn-card summary { padding: 18px; }
  .learn-body { padding: 0 18px 18px; }
}
@media (max-width: 480px) {
  .wrap { width: min(100% - 18px, 1160px); }
  .hero-card, .card, .process-box { padding: 16px; }
  .process-item { grid-template-columns: 42px 1fr; gap: 10px; padding: 12px; }
  .num { width: 38px; height: 38px; border-radius: 12px; font-size: 1.1rem; }
  .care-tagline { white-space: normal; line-height: 1.35; }
  .info-detail summary { align-items: flex-start; font-size: 0.88rem; }
}