@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@500;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@400;500&display=swap');

.page {
    text-decoration: none;
    font-family: 'Roboto';
    color: blue;
    border: solid 0.5px blue;
    padding: 0.5rem 2rem;
}

.page:hover {
    background-color: blue;
    color: white;
}

.page+.page {
    margin-left: 4em;
}

.header {
    display: flex;
    align-items: center;
    padding: 4em 2em;
    background: rgba(0, 0, 255, 0.01);
    justify-content: space-between;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Lato', sans-serif;
    font-family: 'Oswald', sans-serif;
  }
  .wrapper{
    position: fixed;
    top: 0;
    /*left: -100%;*/
    right: -100%;
    height: 100%;
    width: 100%;
    background: blue;
    /*background: linear-gradient(90deg, #f92c78, #4114a1);*/
    /* background: linear-gradient(375deg, #1cc7d0, #2ede98); */
   /* background: linear-gradient(-45deg, #e3eefe 0%, #efddfb 100%);*/
    transition: all 0.6s ease-in-out;
  }
  #active:checked ~ .wrapper{
    /*left: 0;*/
    right:0;
  }
  .menu-btn{
    position: absolute;
    z-index: 2;
    right: 20px;
    /*left: 20px; */
    top: 20px;
    height: 50px;
    width: 50px;
    text-align: center;
    line-height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    /*color: #fff;*/
    /*background: linear-gradient(90deg, #f92c78, #4114a1);*/
    /* background: linear-gradient(375deg, #1cc7d0, #2ede98); */
   /* background: linear-gradient(-45deg, #e3eefe 0%, #efddfb 100%); */
    transition: all 0.3s ease-in-out;
  }
  .menu-btn span,
  .menu-btn:before,
  .menu-btn:after{
      content: "";
      position: absolute;
      top: calc(50% - 1px);
      left: 30%;
      width: 40%;
      border-bottom: 2px solid #000;
      transition: transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  .menu-btn:before{
    transform: translateY(-8px);
  }
  .menu-btn:after{
    transform: translateY(8px);
  }
  
  
  .close {
      z-index: 1;
      width: 100%;
      height: 100%;
      pointer-events: none;
      transition: background .6s;
  }
  
  /* closing animation */
  #active:checked + .menu-btn span {
      transform: scaleX(0);
  }
  #active:checked + .menu-btn:before {
      transform: rotate(45deg);
    border-color: #fff;
  }
  #active:checked + .menu-btn:after {
      transform: rotate(-45deg);
    border-color: #fff;
  }
  .wrapper ul{
    position: absolute;
    top: 60%;
    left: 50%;
    height: 90%;
    transform: translate(-50%, -50%);
    list-style: none;
    text-align: center;
  }
  .wrapper ul li{
    height: 10%;
    margin: 15px 0;
  }
  .wrapper ul li a{
    text-decoration: none;
    font-size: 30px;
    font-weight: 500;
    padding: 5px 30px;
    color: #fff;
    border-radius: 50px;
    position: absolute;
    line-height: 50px;
    margin: 5px 30px;
    opacity: 0;
    transition: all 0.3s ease;
    transition: transform .6s cubic-bezier(0.215, 0.61, 0.355, 1);
  }
  .wrapper ul li a:after{
    position: absolute;
    content: "";
    background: #fff;
     /*background: linear-gradient(#14ffe9, #ffeb3b, #ff00e0);*/
    /*background: linear-gradient(375deg, #1cc7d0, #2ede98);*/
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    border-radius: 50px;
    transform: scaleY(0);
    z-index: -1;
    transition: transform 0.3s ease;
  }
  .wrapper ul li a:hover:after{
    transform: scaleY(1);
  }
  .wrapper ul li a:hover{
    color: #1a73e8;
  }
  input[type="checkbox"]{
    display: none;
  }
  .content{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: -1;
    text-align: center;
    width: 100%;
    color: #202020;
  }
  .content .title{
    font-size: 40px;
    font-weight: 700;
  }
  .content p{
    font-size: 35px;
    font-weight: 600;
  }
  
  #active:checked ~ .wrapper ul li a{
    opacity: 1;
  }
  .wrapper ul li a{
    transition: opacity 1.2s, transform 1.2s cubic-bezier(0.215, 0.61, 0.355, 1);
    transform: translateX(100px);
  }
  #active:checked ~ .wrapper ul li a{
      transform: none;
      transition-timing-function: ease, cubic-bezier(.1,1.3,.3,1); /* easeOutBackを緩めた感じ */
     transition-delay: .6s;
    transform: translateX(-100px);
  }