/* 全ページ共通：SPハンバーガーメニュー + TOC折りたたみ */

.menu-toggle { display: none; background: transparent; border: none; padding: 0; }

@media (max-width: 600px) {
  .menu-toggle {
    display: flex !important; flex-direction: column; gap: 4px;
    width: 32px; height: 32px; padding: 6px; cursor: pointer;
    background: transparent; border: none;
    align-items: center; justify-content: center;
    -webkit-appearance: none; appearance: none;
  }
  .menu-toggle span {
    display: block; width: 20px; height: 2px;
    background: #C8FF00; transition: all 0.2s;
    border-radius: 1px;
  }
  body.menu-open .menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  body.menu-open .menu-toggle span:nth-child(2) { opacity: 0; }
  body.menu-open .menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  /* nav-links 系（ほとんどのページ） */
  nav .nav-links {
    position: fixed; top: 50px; right: 0;
    flex-direction: column; gap: 4px;
    background: rgba(8,8,8,0.98); backdrop-filter: blur(10px);
    border: 1px solid rgba(242,240,232,0.1); border-radius: 4px;
    padding: 12px; min-width: 200px;
    transform: translateX(110%); transition: transform 0.3s;
    z-index: 200;
  }
  body.menu-open nav .nav-links { transform: translateX(0); }
  nav .nav-links a {
    width: 100%; padding: 10px 14px; text-align: left;
    font-size: 13px; min-height: 44px;
    display: inline-flex; align-items: center;
  }

  /* nav-right 系（LPのみ） */
  nav .nav-right {
    position: fixed; top: 56px; right: 0;
    flex-direction: column; gap: 6px; align-items: stretch;
    background: rgba(8,8,8,0.98); backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.05); border-radius: 4px;
    padding: 12px; min-width: 200px;
    transform: translateX(110%); transition: transform 0.3s;
    z-index: 200;
  }
  body.menu-open nav .nav-right { transform: translateX(0); }
  nav .nav-right a {
    width: 100%; padding: 10px 14px; text-align: left;
    min-height: 44px; display: inline-flex; align-items: center;
  }
}