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

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

.sbm {
  width: min(380px, 90vw);
}

.sbm__slot {
  position: relative;
  height: 96px;
}

.sbm__head {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 2;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
}

.sbm__logo {
  color: #17141a;
  font-weight: 800;
  font-size: clamp(14px, 4vw, 18px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.04em;
}

.sbm__nav {
  display: flex;
  gap: 8px;
  transition: opacity 300ms linear(0, 0.32, 0.538, 0.686, 0.786, 0.855, 0.901, 0.933, 0.954, 0.969, 0.979, 0.986, 0.99, 0.993, 0.995, 0.997, 0.998, 0.999, 0.999, 0.999, 1), transform 300ms linear(0, 0.32, 0.538, 0.686, 0.786, 0.855, 0.901, 0.933, 0.954, 0.969, 0.979, 0.986, 0.99, 0.993, 0.995, 0.997, 0.998, 0.999, 0.999, 0.999, 1);
}
.sbm__nav span {
  width: 20px;
  height: 6px;
  border-radius: 999px;
  background: rgba(23, 20, 26, 0.2);
}

.sbm__search {
  position: absolute;
  left: 0;
  right: 0;
  top: 56px;
  z-index: 1;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 16px;
  border-top: 1px solid rgba(23, 20, 26, 0.08);
  transform: translateY(0);
  transition: transform 300ms linear(0, 0.32, 0.538, 0.686, 0.786, 0.855, 0.901, 0.933, 0.954, 0.969, 0.979, 0.986, 0.99, 0.993, 0.995, 0.997, 0.998, 0.999, 0.999, 0.999, 1);
}
.sbm__search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(47, 109, 246, 0.1);
}
.sbm__search-icon {
  flex: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid #2f6df6;
}
.sbm__search-text {
  font-weight: 500;
  font-size: clamp(11px, 3vw, 12px);
  line-height: 1;
  font-family: inherit;
  color: rgba(23, 20, 26, 0.72);
}

.sbm.is-scrolled .sbm__nav {
  opacity: 0;
  transform: translateX(8px);
}
.sbm.is-scrolled .sbm__search {
  transform: translateY(-56px);
}
.sbm.is-scrolled .sbm__page {
  transform: translateY(-8px);
}

.sbm.is-demo .sbm__nav {
  animation: sbm-nav-loop 2s linear(0, 0.32, 0.538, 0.686, 0.786, 0.855, 0.901, 0.933, 0.954, 0.969, 0.979, 0.986, 0.99, 0.993, 0.995, 0.997, 0.998, 0.999, 0.999, 0.999, 1) infinite;
}
.sbm.is-demo .sbm__search {
  animation: sbm-search-loop 2s linear(0, 0.32, 0.538, 0.686, 0.786, 0.855, 0.901, 0.933, 0.954, 0.969, 0.979, 0.986, 0.99, 0.993, 0.995, 0.997, 0.998, 0.999, 0.999, 0.999, 1) infinite;
}
.sbm.is-demo .sbm__page {
  animation: sbm-page-loop 2s linear(0, 0.18, 0.328, 0.449, 0.548, 0.629, 0.696, 0.751, 0.796, 0.832, 0.863, 0.887, 0.908, 0.924, 0.938, 0.949, 0.958, 0.966, 0.972, 0.977, 1) infinite;
}

@keyframes sbm-nav-loop {
  0%, 20% {
    opacity: 1;
    transform: translateX(0);
  }
  45%, 70% {
    opacity: 0;
    transform: translateX(8px);
  }
  95%, 100% {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes sbm-search-loop {
  0%, 20% {
    transform: translateY(0);
  }
  45%, 70% {
    transform: translateY(-56px);
  }
  95%, 100% {
    transform: translateY(0);
  }
}
@keyframes sbm-page-loop {
  0%, 20% {
    transform: translateY(0);
  }
  45%, 70% {
    transform: translateY(-8px);
  }
  95%, 100% {
    transform: translateY(0);
  }
}
.sbm__page {
  padding: 16px 0 0;
  transform: translateY(0);
  transition: transform 420ms linear(0, 0.18, 0.328, 0.449, 0.548, 0.629, 0.696, 0.751, 0.796, 0.832, 0.863, 0.887, 0.908, 0.924, 0.938, 0.949, 0.958, 0.966, 0.972, 0.977, 1);
}

.sbm__line {
  height: 10px;
  margin: 0 0 12px;
  border-radius: 4px;
  background: rgba(23, 20, 26, 0.08);
}
.sbm__line.short {
  width: 55%;
}

@media (prefers-reduced-motion: reduce) {
  .sbm__nav, .sbm__search, .sbm__page {
    transition: none;
  }
  .sbm.is-demo .sbm__nav, .sbm.is-demo .sbm__search, .sbm.is-demo .sbm__page {
    animation: none !important;
  }
  .sbm.is-demo .sbm__nav {
    opacity: 1;
    transform: translateX(0);
  }
  .sbm.is-demo .sbm__search {
    transform: translateY(0);
  }
  .sbm.is-demo .sbm__page {
    transform: translateY(0);
  }
}