.integrated-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 56px;
  padding: 8px clamp(18px, 4vw, 48px);
  overflow-x: auto;
  border-bottom: 1px solid #e1e7ec;
  background: rgba(255,255,255,.97);
  color: #344657;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", sans-serif;
  scrollbar-width: thin;
}
.integrated-nav,
.integrated-nav * { box-sizing: border-box; }
.integrated-nav a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 8px 12px;
  border-radius: 10px;
  color: #536676;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.25;
  text-decoration: none;
  white-space: nowrap;
}
.integrated-nav a:hover { background: #f0f5f8; color: #1c4d70; }
.integrated-nav a:focus-visible { outline: 2px solid #216b9b; outline-offset: 2px; }
.integrated-nav .integrated-nav-home { padding-left: 0; color: #244a69; font-weight: 800; }
.integrated-nav-links { display: flex; align-items: center; gap: 4px; }
.integrated-nav a[aria-current="page"] { background: #e7f0f5; color: #184766; }
@media (max-width: 600px) {
  .integrated-nav { min-height: 50px; gap: 10px; padding: 5px 16px; }
  .integrated-nav a { min-height: 34px; padding: 7px 10px; font-size: 12px; }
}