:root {
  --aidia-header-accent: #ff6f61;
  --aidia-header-ink: #242424;
}

.aidia-site-header,
.aidia-site-header * {
  box-sizing: border-box;
}

.aidia-site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  height: 80px;
  padding: 0 30px;
  border-bottom: 0;
  background: #fff;
  color: var(--aidia-header-ink);
  font-family: Arial, "Noto Sans JP", sans-serif;
}

.aidia-site-header a {
  color: inherit;
  text-decoration: none;
}

.aidia-site-header :where(a, button):focus {
  outline: none;
}

.aidia-site-header button:focus-visible {
  outline: 3px solid var(--aidia-header-accent);
  outline-offset: 3px;
}

.aidia-site-header .brand {
  display: block;
  flex: none;
  width: 180px;
}

.aidia-site-header .brand img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 58px;
  object-fit: contain;
  object-position: left center;
}

.aidia-site-header[data-aidia-site-header="clinical-support"] .brand {
  width: 210px;
}

.aidia-site-header[data-aidia-site-header="sokukiji"] .brand {
  width: 150px;
}

.aidia-site-header nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  padding: 16px 30px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 16px;
  font-weight: 700;
}

.aidia-site-header nav > a:not(.contact) {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.nav-caret {
  width: 0;
  height: 0;
  border-top: 6px solid var(--aidia-header-accent);
  border-right: 6px solid transparent;
  border-left: 6px solid transparent;
}

.aidia-site-header .contact {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--aidia-header-accent);
  color: #fff;
  white-space: nowrap;
}

.contact-arrow {
  font-size: 16px;
  line-height: 1;
}

.aidia-site-header__menu-button,
.aidia-site-header__menu-dialog { display: none; }

html.aidia-menu-open { overflow: hidden; }

@media (max-width: 720px) {
  .aidia-site-header {
    height: 64px;
    padding: 0 16px;
  }

  .aidia-site-header .brand,
  .aidia-site-header[data-aidia-site-header="clinical-support"] .brand {
    width: 140px;
  }

  .aidia-site-header[data-aidia-site-header="sokukiji"] .brand {
    width: 118px;
  }

  .aidia-site-header .brand img {
    width: 100%;
  }

  .aidia-site-header nav {
    gap: 16px;
    padding: 2px;
    border-radius: 16px;
    font-size: 14px;
  }

  .aidia-site-header nav > a:not(.contact) {
    display: none;
  }

  .aidia-site-header .contact {
    padding: 8px 14px;
  }

  .aidia-site-header__menu-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    margin-left: 8px;
    border: 0;
    border-radius: 50%;
    background: var(--aidia-header-ink);
    color: #fff;
    font-size: 22px;
  }

  .aidia-site-header__menu-dialog {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    margin: 0;
    padding: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.28);
  }

  .aidia-site-header__menu-dialog::backdrop { background: transparent; }

  .aidia-site-header__menu-panel {
    display: flex;
    flex-direction: column;
    gap: 32px;
    width: min(90%, 360px);
    height: 100%;
    margin-left: auto;
    padding: 28px 24px;
    background: #fff;
    box-shadow: -8px 0 24px rgba(0, 0, 0, 0.12);
  }

  .aidia-site-header__menu-close {
    align-self: flex-end;
    width: 40px;
    height: 40px;
    border: 0;
    background: transparent;
    color: var(--aidia-header-ink);
    font-size: 32px;
  }

  .aidia-site-header__menu-panel nav {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    margin: 0;
    padding: 0;
    background: transparent;
    font-size: 20px;
  }

  .aidia-site-header__menu-panel nav a {
    display: block !important;
    padding: 8px 0;
    border-bottom: 1px solid #eee;
  }
}