@media (min-width: 601px) {
  .d_pc {
    display: block;
  }
  .d_sp {
    display: none !important;
  }
}
@media (max-width: 600px) {
  .d_pc {
    display: none !important;
  }
  .d_sp {
    display: block;
  }
}
/* Large Devices (Desktop & Laptops) */
@media (min-width: 1921px) {
  .wrapper_inner {
    margin-left: 660px;
  }
}

@media (min-width: 1200px) and (max-width: 1359px) {
  /* col-xl-xx */
}

/* 600px以下でスマホ版画面に切り替える */
@media (max-width: 600px) {
  body {
    min-width: unset;
    width: 100%;
  }
  .side_menu_block {
    width: 130px;
  }

  .side_title {
    width: 40px;
    z-index: 101;
  }
  .side_title .ttl_side {
    width: 16px;
  }

  .side_menu {
    width: 100px;
  }
  .side_menu .logo {
    width: 60px;
    top: 70px;
  }
  .side_menu .menu_list.menu_1 {
    width: 80px;
    top: 180px;
  }
  .side_menu .menu_2 {
    top: 250px;
    width: 80px;
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .side_menu .copyrights {
    font-size: 7px;
    width: 100%;
    text-align: center;
  }

  .news_line {
    width: 20px;
    font-size: 12px;
    padding-bottom: 30px;
  }

  .wrapper {
    width: 100%;
    min-width: unset;
  }
  .wrapper_inner {
    width: calc(100% - 20px);
    margin-left: 0;
    overflow: hidden;
  }
  .mv {
    width: 100%;
    margin-left: 0;
    min-width: unset;
    height: auto;
  }
  .about_content {
        width: 130%;
        margin-left: -35px;
    min-width: unset;
  }

  /* ハンバーガーボタン */
  .menu_toggle {
    position: fixed;
    top: 20px;
    left: 8px;
    z-index: 200;
    width: 14px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 7px;
    padding: 10px;
  }

  .menu_toggle span {
    display: block;
    width: 18px;
    height: 2px;
    background: #ffffdd;
    transition: 0.4s;
  }

  /* ×ボタンのアニメーション */
  .menu_toggle.is_open span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }
  .menu_toggle.is_open span:nth-child(2) {
    opacity: 0;
  }
  .menu_toggle.is_open span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }

  /* オーバーレイ */
  .overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 98;
  }
  .overlay.is_open {
    display: block;
  }

  /* サイドメニュー本体：最初は画面外に隠す */
  .side_menu {
    transform: translateX(-660px); /* メニュー幅分だけ左に隠す */
    transition: transform 0.4s ease;
  }

  /* 開いた状態 */
  .side_menu.is_open {
    transform: translateX(0);
  }
}