:root {
  --bg: #09080d;
  --ink: #f6f1e8;
  --muted: #9d9488;
  --line: rgba(255, 255, 255, 0.08);
  --card: #141218;
  --gold: #e8c547;
  --font: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  color: var(--ink);
  min-height: 100vh;
  background: #09080d;
}

a { color: inherit; text-decoration: none; }

.wrap {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.brand-mark {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(1.6rem, 4.2vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.15;
  margin-bottom: 8px;
}

.lead {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 10px;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.logo-box {
  width: 108px;
  height: 52px;
  border-radius: 10px;
  background: #000;
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-box img {
  width: 92%;
  height: 92%;
  object-fit: contain;
  display: block;
}

.info h2 {
  font-size: 1rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.info small {
  color: var(--muted);
  display: block;
  margin-top: 3px;
  font-size: 0.8rem;
}

.tag {
  border: 1px solid rgba(232, 197, 71, 0.4);
  color: var(--gold);
  font-weight: 700;
  font-size: 0.64rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
}

.btn {
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 156px;
  height: 48px;
  padding: 0 22px;
  border-radius: 12px;
  flex-shrink: 0;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.45);
}

.btn-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 400%;
  height: 100%;
  background: linear-gradient(
    90deg,
    #ff004c,
    #ff7a00,
    #ffee00,
    #22e67a,
    #00c8ff,
    #7a5cff,
    #ff00c8,
    #ff004c
  );
  animation: rainbowMove 1.4s linear infinite;
}

.btn-text {
  position: relative;
  z-index: 1;
}

.btn:hover .btn-bg {
  animation-duration: 0.7s;
}

.notice, footer {
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 20px;
  line-height: 1.5;
}

footer { margin-top: 10px; }

@keyframes rainbowMove {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@media (max-width: 640px) {
  .wrap { padding: 28px 0 40px; }
  .card { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
  .logo-box { width: 120px; height: 56px; }
}