/* 調整用スタイル */

a {
    text-decoration: none;
  }
  
  ul,
  li {
    list-style: none;
  }
  

  .main {
    margin: auto;
  }
  
  .footer {
    background-color: #f6f6f6;
    height: 200px;
    display: flex;
  }
  
  .footer div {
    margin: auto;
  }
  
  
  /* ヘッダー */
  
  
  .header {
    background-color: white;
    width: 100%;
    height: 50px;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
  }
  
  .header__inner {
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: inherit;
    position: relative;
  }
  
  
  /* ヘッダーのロゴ部分 */
  .header__title {
    width: 100px;
  }
  
  
  @media screen and (min-width: 960px) {
    .header__title {
      width: 120px;
    }
  }
  
  .header__title img {
    display: block;
    width: 100%;
    height: 100%;
  }
  
  /* ヘッダーのナビ部分 */
  
  .header__nav {
    position: absolute;
    right: 0;
    left: 0;
    top: 0;
    width: 100%;
    height: 100vh;
    transform: translateX(100%);
    background-color: #fff;
    transition: ease .4s;
  }
  
  
  @media screen and (min-width: 960px) {
    .header__nav {
      position: static;
      transform: initial;
      background-color: inherit;
      height: inherit;
      display: flex;
      justify-content: end;
      width: 50%;
    }
  }
  
  
  @media screen and (min-width: 960px) {
    .nav__items {
      width: 100%;
      display: flex;
      gap: 10px;
      align-items: center;
      height: initial;
      justify-content: space-between;
    }
  }
  
  .nav-items {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    padding: 0;
  }
  
  
  
  @media screen and (min-width: 960px) {
    .nav-items {
      position: inherit;
      top: 0;
      left: 0;
      transform: translate(0, 0);
  
    }
  }
  
  /* ナビのリンク */
  .nav-items__item a {
    color: black;
    width: 100%;
    display: block;
    text-align: center;
    font-size: 20px;
    margin-bottom: 24px;
    color: black;
  }
  
  .nav-items__item:last-child a {
    margin-bottom: 0;
  }
  
  @media screen and (min-width: 960px) {
    .nav-items__item a {
      margin-bottom: 0;
    }
  }
  
  
  /* ハンバーガーメニュー */
  
  .header__hamburger {
    width: 48px;
    height: 100%;
  
  }
  
  .hamburger {
    background-color: transparent;
    border-color: transparent;
    z-index: 9999;
    background-color: #e24140;
    border-radius: 200px;
  }
  
  
  /* ハンバーガーメニューの線 */
  .hamburger span {
    width: 100%;
    height: 1px;
    background-color: #fff;
    position: relative;
    transition: ease .4s;
    display: block;
  }
  
  .hamburger span:nth-child(1) {
    top: 0;
  }
  
  .hamburger span:nth-child(2) {
    margin: 8px 0;
  }
  
  .hamburger span:nth-child(3) {
    top: 0;
  }
  
  
  /* ハンバーガーメニュークリック後のスタイル */
  .header__nav.active {
    transform: translateX(0);
  }
  
  .hamburger.active span:nth-child(1) {
    top: 5px;
    transform: rotate(45deg);
  }
  
  .hamburger.active span:nth-child(2) {
    opacity: 0;
  
  }
  
  .hamburger.active span:nth-child(3) {
    top: -13px;
    transform: rotate(-45deg);
  }