/* ─── NAV ─── */

nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;  
  z-index: 9999;

  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);

  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.nav-logo {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  position: absolute;
  left: 5%;
  z-index: 1;
}

.nav-logo span { color: var(--sky); }

.nav-cta {
  background: var(--sky);
  color: #fff;
  padding: 8px 22px;
  border-radius: 40px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.2s;
  position: absolute;
  right: 5%;
  z-index: 1;

}

.nav-cta:hover { background: var(--sky-dark); }

/* ─── ナビメニュー ─── */

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  z-index: 2;
  margin: 0 auto;
}

.nav-item {
  position: relative;
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  cursor: pointer;
  padding: 6px 14px;
  border-radius: 20px;
  transition: all 0.2s ease;

}

.nav-item:hover {
  background: var(--sky-light);
  color: var(--sky-dark);
  transform: translateY(-1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}



.nav-item::before {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 10px;

}

.dropdown {

  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  display: none;
  flex-direction: column;
  min-width: 220px;
  z-index: 9999;
  padding: 6px 0;
}

.dropdown a {
  padding: 10px 16px;
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  transition: all 0.2s ease;
}



.dropdown a:not(:last-child) {
  border-bottom: 1px solid var(--border);
}



.dropdown a:hover {
  background: var(--sky-light);
  padding-left: 20px;
}

.nav-item:hover .dropdown {
  display: flex;
}

.breadcrumb {
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  z-index: 9998;
  padding: 10px 5%;
  font-size: 12px;
  color: var(--muted);
  border-bottom: 1px solid var(--border);
  background: #fff;
}