.site-header {
      position: sticky;
      top: 0;
      background-color: #ffffff;
      border-bottom: 1px solid #dddddd;
      color: black;
      width: 100%;
      z-index: 100;
    }
    .header-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      max-width: 1200px;
      margin: auto;
      padding: 20px;
      min-height: 25px;
    }
    .header-inner {
        position: relative;
        max-width: 1000px;
        margin: 0 auto;
    }
    .logo-area {
        display: flex;
        align-items: center;
        position: fixed;
        text-decoration: none;
        top: 10px;
        left: 30px;
        height: 50px;
        z-index: 100;
    }
    .site-logo {
        position: static;
        margin-right: 10px;
        height: 50px;
    }
    .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
        align-items: center;
    }
    .company-name {
      font-size: 1.5em;
      font-family: 'Orbitron', sans-serif;
      font-weight: bold;
      color: gray;
    }
    .recruit-text {
      font-size: 1.2em;
      font-family: 'Orbitron', sans-serif;
      font-weight: bold;
      color: gray;
    }
    .main-nav {
      display: flex;
      gap: 20px;
      position: absolute;
      top: 20px;
      right: 30px;
    }
    .main-nav a {
      margin-left: 20px;
      text-decoration: none;
      color: #333;
      font-weight: bold;
      transition: color 0.2s;
    }
    .main-nav a:hover {
      color: #ff6600;
    }
    .dropdown {
      position: relative;
      display: inline-block;
    }
    .dropdown-menu {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      background-color: #ffffff;
      box-shadow: 0 4px 8px rgba(0,0,0,0.1);
      min-width: 160px;
      z-index: 1000;
      flex-direction: column;
      padding: 8px 0;
      border: 1px solid #eee;
    }
    .dropdown-menu a {
      display: block;
      padding: 10px 0 10px 0;
      color: #333;
      text-decoration: none;
      white-space: nowrap;
    }
    .dropdown-menu a:hover {
      background-color: #f5f5f5;
    }
    .dropdown:hover .dropdown-menu {
      display: block;
    }
    .hamburger, .mobile-nav {
      display: none;
    }