.brand-notice {
  box-sizing: border-box;
  width: min(520px, calc(100% - 32px));
  max-height: calc(100dvh - 48px);
  margin: auto;
  padding: 0;
  overflow: auto;
  border: 1px solid #bd914b;
  border-radius: 24px;
  color: #f7f3eb;
  background: radial-gradient(ellipse at top, #342b19, #141414 65%);
  box-shadow: 0 32px 100px #0009, inset 0 1px 0 #ffe2a22b;
  font-family: Arial, sans-serif;
  text-align: center;
}
.brand-notice::backdrop { background: #05070bd6; backdrop-filter: blur(7px); }
.brand-notice__content { position: relative; padding: 40px 32px 32px; }
.brand-notice__close {
  position: absolute; top: 12px; right: 12px;
  display: grid; place-items: center; width: 36px; height: 36px;
  border: 1px solid #ffffff1a; border-radius: 50%;
  background: #ffffff08; color: #d4cbbb; font-size: 24px; cursor: pointer;
}
.brand-notice__icon {
  display: grid; place-items: center; width: 76px; height: 76px;
  margin: 0 auto 22px; border: 1px solid #d8b36866; border-radius: 22px;
  color: #f6cf80; background: linear-gradient(145deg, #e6bd6426, #b4801710);
  box-shadow: 0 8px 28px #d6a74712;
}
.brand-notice__icon svg { width: 46px; height: 46px; }
.brand-notice__brand { color: #d8b368; font-size: 11px; font-weight: 700; letter-spacing: 2px; }
.brand-notice h2 { margin: 14px 0; color: #fff8eb; font-size: clamp(22px, 5vw, 28px); font-weight: 700; line-height: 1.3; }
.brand-notice p { margin: 0; color: #c4c0b8; font-size: 15px; line-height: 1.8; }
.brand-notice p a { color: #f4cf85; text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.brand-notice__actions { display: flex; align-items: center; gap: 12px; margin-top: 28px; }
.brand-notice__actions a, .brand-notice__actions button {
  box-sizing: border-box; flex: 1; padding: 14px 12px; border-radius: 12px;
  font: 700 14px/1.4 Arial, sans-serif; text-decoration: none; cursor: pointer;
}
.brand-notice__contact { border: 1px solid #ffffff29; color: #eee5d5; background: #ffffff05; }
.brand-notice__confirm { border: 1px solid #efcf8e; color: #241b0a; background: linear-gradient(120deg, #f7dfa7, #d4a64e); }
.brand-notice button:hover, .brand-notice__contact:hover { filter: brightness(1.15); }
.brand-notice :focus-visible { outline: 2px solid #ffe2a2; outline-offset: 4px; }
.brand-notice[open] { animation: brand-notice-enter .18s ease-out; }
@keyframes brand-notice-enter { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@media (max-width: 400px) {
  .brand-notice__content { padding: 38px 20px 24px; }
  .brand-notice__actions { flex-direction: column-reverse; align-items: stretch; }
}
@media (prefers-reduced-motion: reduce) { .brand-notice[open] { animation: none; } }