:root {
  --header-height: 60px;
  --linkboard-header-bar-height: 60px;
  --linkboard-header-bg: #1b1012;
}

body {
  padding-top: var(--header-height);
}

.site-header[data-linkboard-header] {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  min-height: var(--linkboard-header-bar-height);
  z-index: 1030;
  background: var(--linkboard-header-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  backdrop-filter: blur(10px);
}

.site-header[data-linkboard-header] .header-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: var(--linkboard-header-bar-height);
  margin: 0 auto;
  padding: 0 28px;
  gap: 14px;
}

.site-header[data-linkboard-header] .logo-area {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.site-header[data-linkboard-header] .logo-text.attendance-brand.brand-v2 {
  display: inline-flex;
  align-items: center;
  padding: 0 16px 0 0;
  color: #f5f5f5;
  font-family: "Yomogi", "Noto Sans JP", sans-serif;
  font-size: 34px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.36);
}

.site-header[data-linkboard-header] .storage-type-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 0;
  padding: 4px 9px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  color: #e5e7eb;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: 0;
  white-space: nowrap;
}

.site-header[data-linkboard-header] .top-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.site-header[data-linkboard-header] .top-nav a,
.site-header[data-linkboard-header] .top-nav button {
  width: auto;
  margin: 0;
  padding: 0 0 2px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  color: #d1d5db;
  cursor: pointer;
  font-family: var(--heading-font, "Noto Sans JP", sans-serif);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
}

.site-header[data-linkboard-header] .top-nav form {
  margin: 0;
}

.site-header[data-linkboard-header] .top-nav a:hover,
.site-header[data-linkboard-header] .top-nav a:focus-visible,
.site-header[data-linkboard-header] .top-nav button:hover,
.site-header[data-linkboard-header] .top-nav button:focus-visible {
  color: #ffffff;
}

.site-header[data-linkboard-header] .menu-toggle {
  display: none;
  width: 46px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(177, 43, 75, 0.58);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(177, 43, 75, 0.22), rgba(123, 30, 53, 0.18));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 4px 10px rgba(0, 0, 0, 0.22);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
}

.site-header[data-linkboard-header] .menu-toggle span {
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #ffe7ec;
  transition: transform 0.22s ease, opacity 0.18s ease;
}

.site-header[data-linkboard-header] .menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header[data-linkboard-header] .menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.site-header[data-linkboard-header] .menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (max-width: 900px) {
  .site-header[data-linkboard-header] .logo-text.attendance-brand.brand-v2 {
    font-size: 28px;
  }

  .site-header[data-linkboard-header] .menu-toggle {
    position: absolute;
    top: 50%;
    right: 28px;
    display: inline-flex;
    transform: translateY(-50%);
  }

  .site-header[data-linkboard-header] .top-nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    display: none;
    width: min(260px, 86vw);
    padding: 12px;
    border: 1px solid #333;
    border-radius: 12px;
    background: #0d0d0d;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.45);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .site-header[data-linkboard-header] .top-nav.open {
    display: flex;
  }

  .site-header[data-linkboard-header] .top-nav a,
  .site-header[data-linkboard-header] .top-nav button,
  .site-header[data-linkboard-header] .top-nav form {
    width: 100%;
  }

  .site-header[data-linkboard-header] .top-nav a,
  .site-header[data-linkboard-header] .top-nav button {
    padding: 6px 2px;
    border-bottom: 0;
    text-align: left;
  }
}

@media (max-width: 520px) {
  .site-header[data-linkboard-header] .header-inner {
    padding-inline: 14px;
  }

  .site-header[data-linkboard-header] .logo-text.attendance-brand.brand-v2 {
    padding-right: 6px;
    font-size: 23px;
  }

  .site-header[data-linkboard-header] .menu-toggle {
    right: 14px;
  }
}