:root {
  --bg: #0b0d10; --surface: #12161c; --ink: #f3f5f7; --muted: #9aa3ad;
  --line: rgba(255,255,255,.09); --accent: #7cc4ff; --ok: #7ce3a8; --err: #ff9a9a;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; background:
    radial-gradient(1100px 520px at 15% -10%, rgba(124,196,255,.14), transparent 60%),
    radial-gradient(900px 480px at 105% 110%, rgba(124,227,168,.10), transparent 55%),
    var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
.landing { max-width: 980px; margin: 0 auto; padding: 32px 22px 40px; min-height: 100vh; display: flex; flex-direction: column; }
.landing-top { display: flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.landing-top .divider { opacity: .35; }
.status-dot { width: 8px; height: 8px; border-radius: 999px; background: var(--ok); box-shadow: 0 0 0 4px rgba(124,227,168,.12); }
.hero { margin: clamp(48px, 12vh, 120px) 0 40px; padding: clamp(28px, 5vw, 52px); border: 1px solid var(--line); border-radius: 26px; background: linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.015)); backdrop-filter: blur(14px); box-shadow: 0 30px 80px rgba(0,0,0,.35); }
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 7px 13px; border-radius: 999px; border: 1px solid var(--line); background: rgba(124,196,255,.08); color: var(--accent); font-size: 12.5px; letter-spacing: .02em; }
h1 { margin: 22px 0 14px; font-size: clamp(44px, 8vw, 76px); line-height: 1.02; letter-spacing: -.04em; font-weight: 650; }
h1 .tld { color: var(--accent); }
.lead { max-width: 620px; margin: 0 0 26px; color: var(--muted); font-size: clamp(15px, 2vw, 17px); }
.notice { border-radius: 14px; padding: 13px 16px; margin: 0 0 18px; font-size: 14px; border: 1px solid var(--line); }
.notice.ok { background: rgba(124,227,168,.10); color: var(--ok); border-color: rgba(124,227,168,.25); }
.notice.err { background: rgba(255,154,154,.10); color: var(--err); border-color: rgba(255,154,154,.25); }
.inquiry { display: grid; gap: 14px; max-width: 720px; }
.field-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
label { display: grid; gap: 7px; font-size: 12.5px; letter-spacing: .04em; text-transform: uppercase; color: var(--muted); }
input, textarea { width: 100%; padding: 12px 13px; border-radius: 12px; border: 1px solid var(--line); background: rgba(255,255,255,.04); color: var(--ink); font: inherit; font-size: 15px; outline: none; transition: border-color .15s, box-shadow .15s, background .15s; }
input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(124,196,255,.14); background: rgba(255,255,255,.06); }
textarea { resize: vertical; min-height: 104px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
button { justify-self: start; margin-top: 4px; padding: 13px 22px; border-radius: 12px; border: 1px solid rgba(124,196,255,.35); background: var(--accent); color: #07131d; font: inherit; font-size: 15px; font-weight: 650; cursor: pointer; transition: transform .12s, filter .15s; }
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }
.small { margin: 2px 0 0; color: var(--muted); font-size: 12.5px; }
.landing-foot { margin-top: auto; display: flex; justify-content: space-between; gap: 12px; padding-top: 26px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12.5px; }
.muted { color: var(--muted); }
@media (max-width: 720px) {
  .landing { padding: 24px 16px 28px; }
  .hero { border-radius: 20px; }
  .field-grid { grid-template-columns: 1fr; }
  .landing-foot { flex-direction: column; }
}