.utn-site-header {
  --utn-primary: #7c4de7;
  --utn-primary-dark: #4a277f;
  box-sizing: border-box;
  position: sticky;
  top: 0;
  z-index: 1000;
  display: block;
  width: 100%;
  min-height: 64px;
  margin: 0;
  padding: 0;
  overflow: visible;
  color: var(--utn-primary-dark);
  background:
    radial-gradient(circle at 14% 20%, rgba(255, 255, 255, .88) 0 2px, transparent 3px),
    radial-gradient(circle at 78% 72%, rgba(255, 255, 255, .72) 0 3px, transparent 4px),
    linear-gradient(115deg, #f3e8ff 0%, #d9c2f5 48%, #f7d8ed 100%);
  border-bottom: 1px solid rgba(124, 77, 231, .2);
  box-shadow: 0 5px 18px rgba(50, 26, 86, .12);
  font-family: "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.2;
  isolation: isolate;
}
.utn-site-header,
.utn-site-header * { box-sizing: border-box; }
.utn-header-inner {
  position: relative;
  z-index: 2;
  width: min(1200px, 100%);
  height: 64px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.utn-header-brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--utn-primary-dark) !important;
  text-decoration: none !important;
  font-size: 1.02rem;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
  text-shadow: 0 1px 5px rgba(255, 255, 255, .85);
}
.utn-header-brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  flex: 0 0 auto;
}
.utn-menu-toggle {
  width: 50px;
  height: 52px;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  flex: 0 0 auto;
  border: 1px solid rgba(124, 77, 231, .38);
  border-radius: 12px;
  background: rgba(255, 255, 255, .92);
  color: var(--utn-primary-dark);
  box-shadow: 0 5px 14px rgba(71, 43, 120, .12);
  cursor: pointer;
  font: inherit;
}
.utn-menu-toggle[aria-expanded="true"] {
  color: #fff;
  background: #1c1428;
  border-color: var(--utn-primary);
  border-radius: 12px 12px 0 0;
}
.utn-menu-glyph { font-size: 1.2rem; line-height: 1; }
.utn-menu-label { font-size: .55rem; font-weight: 900; letter-spacing: .08em; line-height: 1; }
.utn-mobile-nav {
  position: absolute;
  z-index: 1001;
  top: 56px;
  right: max(24px, calc((100% - 1200px) / 2 + 24px));
  width: min(310px, calc(100vw - 32px));
  margin: 0;
  padding: 18px 12px 14px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  border: 1px solid rgba(124, 77, 231, .58);
  border-top: 0;
  border-radius: 20px 0 20px 20px;
  background: #1c1428;
  box-shadow: 0 18px 42px rgba(32, 18, 52, .34);
  overflow: visible;
}
.utn-mobile-nav[hidden] { display: none !important; }
.utn-mobile-nav a {
  min-height: 38px;
  padding: 7px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--utn-primary);
  border-radius: 999px;
  background: transparent;
  color: #fff !important;
  text-decoration: none !important;
  font-size: .76rem;
  font-weight: 800;
  line-height: 1.2;
  text-align: center;
}
.utn-mobile-nav a:hover,
.utn-mobile-nav a:focus-visible { background: rgba(124, 77, 231, .24); outline: none; }
.utn-mobile-nav .utn-menu-featured {
  grid-column: 1 / -1;
  border-color: transparent;
  background: var(--utn-primary);
}
.utn-mobile-nav .utn-menu-wide { grid-column: 1 / -1; }
@media (max-width: 640px) {
  .utn-site-header { min-height: 54px; }
  .utn-header-inner { height: 54px; padding: 0 12px; }
  .utn-header-brand { font-size: .86rem; }
  .utn-header-brand img { width: 34px; height: 34px; }
  .utn-menu-toggle { width: 46px; height: 46px; }
  .utn-mobile-nav { top: 50px; right: 12px; }
}
@media (max-width: 360px) {
  .utn-header-brand { font-size: .78rem; }
}