.iriya-frameless-page,
.iriya-common-header-page {
  background: #fffafd;
}

.iriya-frameless-page.admin-bar .iriya-site-header,
.iriya-common-header-page.admin-bar .iriya-site-header {
  top: 32px;
}

.iriya-site-header {
  position: sticky;
  top: 0;
  z-index: 999;
  overflow: visible;
  backdrop-filter: blur(20px);
  background:
    radial-gradient(circle at 18% 0%, rgba(255, 255, 255, 0.9), transparent 22%),
    radial-gradient(circle at 82% 0%, rgba(221, 205, 244, 0.62), transparent 24%),
    linear-gradient(180deg, rgba(252, 247, 255, 0.94), rgba(239, 231, 250, 0.9));
  border-bottom: 1px solid rgba(116, 96, 159, 0.16);
  box-shadow: 0 12px 28px rgba(103, 82, 132, 0.1);
}

.iriya-site-header::before,
.iriya-site-header::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.iriya-site-header::before {
  top: -42px;
  left: 50%;
  width: 340px;
  height: 150px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(255, 255, 255, 0.78), transparent 66%);
  filter: blur(16px);
}

.iriya-site-header::after {
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(199, 169, 107, 0.58), rgba(116, 96, 159, 0.24), transparent);
  opacity: 0.84;
}

.iriya-site-header__inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 14px 0;
}

.iriya-site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #4d3b72;
  text-decoration: none;
}

.iriya-site-header__brand-text {
  display: grid;
  gap: 3px;
}

.iriya-site-header__logo img {
  max-height: 42px;
  width: auto;
}

.iriya-site-header__title {
  display: block;
  color: #4d3b72;
  font-size: 1.1rem;
  letter-spacing: 0.08em;
}

.iriya-site-header__tagline {
  display: block;
  color: #7e7197;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
}

.iriya-site-header__nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.iriya-site-header__menu {
  display: flex;
  align-items: center;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.iriya-site-header__menu a,
.iriya-site-header__link {
  color: #4d3b72;
  text-decoration: none;
  opacity: 0.92;
  transition: color 0.2s ease, opacity 0.2s ease;
}

.iriya-site-header__menu a:hover,
.iriya-site-header__link:hover {
  color: #8b5fa8;
  opacity: 1;
}

.iriya-site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid rgba(116, 96, 159, 0.28);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
  background:
    radial-gradient(circle at 24% 18%, rgba(255, 255, 255, 0.28), transparent 24%),
    linear-gradient(135deg, #74609f, #a58dcc);
  box-shadow: 0 8px 18px rgba(103, 82, 132, 0.16);
}

.iriya-site-header__toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(116, 96, 159, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.72);
}

.iriya-site-header__toggle span {
  display: block;
  width: 18px;
  height: 1px;
  margin: 4px auto;
  background: #4d3b72;
}

@media (max-width: 782px) {
  .iriya-frameless-page.admin-bar .iriya-site-header,
  .iriya-common-header-page.admin-bar .iriya-site-header {
    top: 46px;
  }
}

@media (max-width: 920px) {
  .iriya-site-header__tagline {
    display: none;
  }

  .iriya-site-header__toggle {
    display: inline-block;
  }

  .iriya-site-header__nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px;
    border: 1px solid rgba(116, 96, 159, 0.16);
    border-radius: 8px;
    background:
      radial-gradient(circle at 85% 0%, rgba(221, 205, 244, 0.64), transparent 26%),
      linear-gradient(180deg, rgba(255, 250, 253, 0.98), rgba(246, 240, 253, 0.98));
    box-shadow: 0 18px 38px rgba(103, 82, 132, 0.14);
  }

  .iriya-site-header__nav.is-open {
    display: flex;
  }

  .iriya-site-header__menu,
  .iriya-site-footer__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .iriya-site-header__menu {
    gap: 14px;
  }

  .iriya-site-header__cta {
    width: 100%;
  }
}