.start-notice {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(5px);
}

.start-notice[hidden] {
  display: none;
}

.start-notice__card {
  box-sizing: border-box;
  width: min(100%, 440px);
  padding: clamp(28px, 6vw, 40px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  background: #171717;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
  color: #f7f7f7;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  text-align: center;
}

.start-notice__text {
  margin: 0 0 28px;
  font-size: clamp(19px, 4vw, 23px);
  font-weight: 600;
  line-height: 1.4;
}

.start-notice__button {
  min-width: 144px;
  min-height: 46px;
  padding: 10px 24px;
  border: 0;
  border-radius: 12px;
  background: #fff;
  color: #171717;
  font: inherit;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}

.start-notice__button:hover {
  background: #e8e8e8;
}

.start-notice__button:focus-visible {
  outline: 3px solid #9cc9ff;
  outline-offset: 3px;
}