:root {
  --bg: #d9edff;
  --bg-strong: #b9dcff;
  --panel: #eef7ff;
  --panel-strong: #cfe8ff;
  --ink: #05070a;
  --ink-soft: #1d2a36;
  --line: #83b7e8;
  --accent: #006fc9;
  --accent-dark: #003d71;
  --warning: #fff2b8;
  --danger: #ffe1e1;
  --ok: #e3ffe8;
  --shadow: 0 14px 35px rgba(0, 52, 99, 0.18);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: radial-gradient(circle at top left, var(--bg-strong), var(--bg) 48%, #c4e4ff 100%);
  color: var(--ink);
  line-height: 1.6;
}
a { color: var(--accent-dark); font-weight: 700; }
a:hover { text-decoration-thickness: 3px; }
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: #ffffff;
  padding: .75rem 1rem;
  z-index: 1000;
}
.skip-link:focus { left: 1rem; top: 1rem; }
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem clamp(1rem, 4vw, 3rem);
  border-bottom: 2px solid var(--line);
  background: rgba(217, 237, 255, .96);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(8px);
}
.brand {
  display: flex;
  align-items: center;
  gap: .8rem;
  color: var(--ink);
  text-decoration: none;
}
.brand-logo {
  width: 54px;
  height: 54px;
  object-fit: contain;
}
.brand-text {
  font-weight: 900;
  letter-spacing: .08em;
  font-size: 1.05rem;
}
.main-nav, .site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 1.1rem;
}
.main-nav a, .site-footer a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover, .site-footer a:hover { border-bottom-color: var(--ink); }
main { padding: clamp(1rem, 4vw, 3rem); }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(220px, .65fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  max-width: 1180px;
  margin: 0 auto 2rem;
}
.hero-card, .panel, .product-card, .notice, .legal-block {
  background: var(--panel);
  border: 2px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.hero-card { padding: clamp(1.4rem, 4vw, 3rem); }
.hero-logo-box {
  padding: 1.5rem;
  display: grid;
  place-items: center;
  background: var(--panel-strong);
  border: 2px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.hero-logo-box img { max-width: 260px; width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 1rem; }
h1 { font-size: clamp(2rem, 5vw, 4rem); letter-spacing: -.04em; }
h2 { font-size: clamp(1.45rem, 3vw, 2.2rem); margin-top: 2rem; }
h3 { font-size: 1.2rem; margin-top: 1.2rem; }
p { margin: 0 0 1rem; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--ink-soft); max-width: 820px; }
.kicker { font-weight: 900; letter-spacing: .14em; text-transform: uppercase; font-size: .85rem; margin-bottom: .75rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.4rem; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .75rem 1rem;
  border-radius: 999px;
  background: var(--ink);
  color: #ffffff;
  text-decoration: none;
  border: 2px solid var(--ink);
}
.button.secondary { background: transparent; color: var(--ink); }
.grid { max-width: 1180px; margin: 0 auto; display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.panel, .product-card, .notice, .legal-block { padding: clamp(1rem, 3vw, 1.5rem); }
.product-card { display: flex; flex-direction: column; gap: .75rem; }
.status {
  align-self: flex-start;
  display: inline-block;
  padding: .28rem .65rem;
  border-radius: 999px;
  border: 2px solid var(--ink);
  font-size: .85rem;
  font-weight: 900;
  background: var(--warning);
}
.status.ok { background: var(--ok); }
.status.dev { background: var(--danger); }
.spec-list, .plain-list { padding-left: 1.1rem; margin: 0 0 1rem; }
.spec-list li, .plain-list li { margin: .35rem 0; }
.callout {
  background: var(--warning);
  border: 2px solid #b39800;
  border-radius: 18px;
  padding: 1rem;
  margin: 1rem 0;
}
.quote {
  font-size: clamp(1.4rem, 3vw, 2.2rem);
  font-weight: 900;
  letter-spacing: -.03em;
  padding: 1rem 0;
}
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { border: 2px solid var(--line); padding: .75rem; text-align: left; vertical-align: top; }
th { background: var(--panel-strong); }
.legal-warning {
  background: var(--danger);
  border: 2px solid #9b1515;
  border-radius: 18px;
  padding: 1rem;
  margin-bottom: 1.2rem;
  font-weight: 700;
}
.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  padding: 2rem clamp(1rem, 4vw, 3rem);
  border-top: 2px solid var(--line);
  background: rgba(185, 220, 255, .85);
}
.small { font-size: .92rem; color: var(--ink-soft); }
@media (max-width: 850px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  .hero, .grid.two, .grid.three { grid-template-columns: 1fr; }
  .main-nav { width: 100%; }
}
@media print {
  .site-header, .site-footer, .actions, .skip-link { display: none; }
  body { background: #ffffff; color: #000000; }
  .panel, .product-card, .notice, .legal-block, .hero-card { box-shadow: none; border-color: #000000; }
}