html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #f1f5f9;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.navtrust {
  position: relative;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  width: 284px;
  height: 48px;
  padding: 0 4px;
  border-radius: 999px;
  background: #ffffff;
  box-shadow: 0 10px 22px rgba(23, 20, 26, 0.08);
}

.navtrust__highlight {
  position: absolute;
  left: 4px;
  top: 2px;
  width: 88px;
  height: 44px;
  border-radius: 12px;
  background: rgba(47, 109, 246, 0.14);
  animation: slideTab 3s ease-out infinite;
}

.navtrust__tab {
  position: relative;
  z-index: 1;
  flex: 0 0 92px;
  text-align: center;
  color: #17141a;
  font-weight: 600;
  font-size: clamp(11px, 3vw, 13px);
  line-height: 1;
  font-family: inherit;
}

.navtrust__underline {
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 28px;
  height: 3px;
  border-radius: 4px;
  background: #2f6df6;
  transform: translateX(32px);
  animation: slideUnderline 3s ease-out infinite;
}

@keyframes slideTab {
  0%, 22% {
    transform: translateX(0);
  }
  33%, 55% {
    transform: translateX(92px);
  }
  66%, 88% {
    transform: translateX(184px);
  }
  100% {
    transform: translateX(0);
  }
}
@keyframes slideUnderline {
  0%, 22% {
    transform: translateX(32px);
  }
  33%, 55% {
    transform: translateX(124px);
  }
  66%, 88% {
    transform: translateX(216px);
  }
  100% {
    transform: translateX(32px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .navtrust__highlight, .navtrust__underline {
    animation: none !important;
  }
  .navtrust__highlight {
    transform: translateX(0);
  }
  .navtrust__underline {
    transform: translateX(32px);
  }
}