@charset "UTF-8";
/* Menu Type A CSS Document */


    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      padding-top: 80px;
      font-family: 'Noto Sans JP', 'Roboto', sans-serif;
      background-color: #f5f5f5;
      color: #333;
      line-height: 1.6;
    }

    a {
      color: #090000;
      text-decoration: none;
    }

    a:hover {
      text-decoration: none;
    }

    header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 80px;
      background: #fff;
      box-shadow: 0 2px 6px rgba(0,0,0,0.1);
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 20px;
    }

    .logo {
      font-weight: bold;
      font-size: 1.2rem;
    }

    nav.nav {
      display: flex;
      gap: 20px;
    }

    nav.nav a {
      font-weight: bold;
    }

    .hamburger {
      display: none;
      flex-direction: column;
      gap: 6px;
      background: none;
      border: none;
      cursor: pointer;
      z-index: 1002;
    }

    .hamburger span {
      display: block;
      width: 26px;
      height: 3px;
      background: #333;
      border-radius: 2px;
    }

    .mobile-menu {
      position: fixed;
      top: 80px;
      right: 0;
      width: 80%;
      max-width: 300px;
      height: 100vh;
      background: #fff;
      z-index: 1001;
      padding: 30px 20px;
      box-shadow: -2px 0 10px rgba(0,0,0,0.2);
      transform: translateX(100%);
      transition: transform 0.3s ease;
    }

    .mobile-menu.open {
      transform: translateX(0);
    }

    .mobile-menu ul {
      list-style: none;
    }

    .mobile-menu ul li {
      margin-bottom: 20px;
    }

    .mobile-menu ul li a {
      font-size: 1.2rem;
      color: #333;
      font-weight: bold;
    }

    .menu-overlay {
      display: none;
      position: fixed;
      top: 80px;
      left: 0;
      width: 100%;
      height: calc(100vh - 80px);
      background: rgba(0,0,0,0.4);
      z-index: 1000;
    }

    .menu-overlay.open {
      display: block;
    }


    @media (max-width: 768px) {
      nav.nav {
        display: none;
      }

      .hamburger {
        display: flex;
      }
    }