:root {
  --ice: #fdfeff;
  --cyan: #00cfe8;
  --indigo: #3f51b5;
  --navy: #17203a;
  --muted: #62708a;
  --line: rgba(63, 81, 181, 0.16);
  --shadow: 0 22px 60px rgba(23, 32, 58, 0.12);
}

* { box-sizing: border-box; }
body.dc-gapfix {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--navy);
  background: linear-gradient(180deg, var(--ice), #eefbff 48%, #ffffff);
}
.dc-shell { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.dc-top {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(253, 254, 255, 0.9);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}
.dc-nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.dc-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--navy); font-weight: 900; }
.dc-mark { width: 42px; height: 42px; border-radius: 14px; display: grid; place-items: center; color: white; background: linear-gradient(135deg, var(--indigo), var(--cyan)); box-shadow: 0 12px 28px rgba(0, 207, 232, 0.28); }
.dc-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 12px; }
.dc-links a, .dc-btn { color: var(--navy); text-decoration: none; font-weight: 800; border: 1px solid var(--line); padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.76); }
.dc-btn.primary { color: white; background: linear-gradient(135deg, var(--indigo), var(--cyan)); border: 0; box-shadow: 0 12px 30px rgba(63, 81, 181, 0.22); }
.dc-hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: center; padding: 58px 0 28px; }
.dc-kicker { color: var(--indigo); font-weight: 900; text-transform: uppercase; letter-spacing: .08em; font-size: 12px; }
.dc-hero h1 { margin: 10px 0 14px; font-size: clamp(34px, 5vw, 62px); line-height: .96; letter-spacing: 0; }
.dc-lead { color: var(--muted); font-size: 18px; line-height: 1.7; max-width: 720px; }
.dc-visual { border: 1px solid var(--line); border-radius: 26px; padding: 18px; background: rgba(255,255,255,.72); box-shadow: var(--shadow); }
.dc-visual img { display: block; width: 100%; height: auto; border-radius: 18px; background: #f5fdff; }
.dc-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; padding: 24px 0; }
.dc-card { border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.82); padding: 22px; box-shadow: 0 14px 34px rgba(23,32,58,.08); }
.dc-card h2, .dc-card h3 { margin: 0 0 10px; }
.dc-card p, .dc-card li { color: var(--muted); line-height: 1.65; }
.dc-section { padding: 24px 0 46px; }
.dc-section h2 { font-size: clamp(26px, 3vw, 38px); margin: 0 0 14px; }
.dc-list { display: grid; gap: 10px; padding-left: 18px; }
.dc-status { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.dc-status span { display: block; color: var(--muted); font-size: 13px; }
.dc-status strong { display: block; margin-top: 4px; }
.dc-form { display: grid; gap: 14px; }
.dc-form label { display: grid; gap: 6px; font-weight: 800; }
.dc-form input, .dc-form textarea, .dc-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--navy);
  background: #fff;
}
.dc-table { width: 100%; border-collapse: collapse; overflow: hidden; border-radius: 16px; background: white; }
.dc-table th, .dc-table td { text-align: left; padding: 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
.dc-table th { color: var(--indigo); background: #f4fbff; }
.dc-footer { border-top: 1px solid var(--line); padding: 28px 0 84px; color: var(--muted); }
.home-seo-visual {
  display: block;
  width: 100%;
  max-height: 180px;
  object-fit: contain;
  margin: 0 0 14px;
  border-radius: 18px;
  background: rgba(255,255,255,.72);
  border: 1px solid var(--line);
}
@media (max-width: 820px) {
  .dc-hero, .dc-grid, .dc-status { grid-template-columns: 1fr; }
  .dc-nav { align-items: flex-start; flex-direction: column; padding: 14px 0; }
  .dc-links { justify-content: flex-start; }
}