/* ======================
 #Base
====================== */
html{
    font-size: 16px;
    font-family: "Helvetica", "Helvetica Neue","Hiragino Kaku Gothic ProN", "Hiragino Sans", "Arial", "Yu Gothic", "Meiryo", sans-serif;
  }
  body{
      margin: 0;
      position: relative;
      overflow: hidden;
  }
  h1,
  h2,
  h3,
  h4,
  h5,
  h6,p {
    margin: 0;
    font-size: inherit;
  }
  label{
    font-weight: 500;
  }
  *{
    box-sizing: border-box;
  }
  img{
    max-width: 100%;
  }
  header{
    border-bottom: 1px solid #999999;
  }

  .header__inner{
    max-width: 1400px;
    margin: 0 auto;
    padding: 10px 15px;
    display: flex;
    justify-content: space-between;

  }
  .btn{
    padding: 5px 20px;
    border-radius: 8px;
    border: 1px solid #333;
    background: #fff;
    margin-left: 8px;
    cursor: pointer;
    transition: .3s;
  }
  .btn:hover{
    background-color: #d2d2d2;
  }
  .btn.active{
    background-color: #333;
    color: #fff;
  }

  .main{
    max-width: 1400px;
    height: 90vh;
    margin: 20px auto;
    padding: 15px;
    overflow: scroll;
  }
  .work-index{
    font-size: 1.1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #999999;
  }
  .work-box{
    display: none;
    margin-bottom: 3.5rem;
  }
  .work-box.active{
    display: block;
  }
  .work-box__wrap{
    display: flex;
    flex-wrap: wrap;
  }
  .work-card{
    width: 23%;
    margin-right: 2%;
    box-shadow: 0 5px 15px rgba(0,0,0,.08);
  }
  .work-card__inner{
    padding: 20px 5%;
  }
  .work-card__img-area{
    width: 100%;
    height: 200px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  .work-card__title-area{
    margin-bottom: 1rem;
  }
.work-card__footer-wrap{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.work-card__link-area{
  flex: 2;
}
.work-card__icon-wrap{
  display: flex;
  flex-wrap: wrap;
  flex-grow: 1;
  justify-content: flex-end;
}
.work-card__icon{
  max-width: 30px;
  margin-left: 16px;
  cursor: pointer;
}
.work-card__icon_link{
  max-width: 22px;
}


/* modal  */
.close-btn{
  position: fixed;
  top: 20px;
  right: 5%;
  font-size: 2rem;
  color: #fff;
}
.modal{
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  background-color: rgba(51,51,51,0.8);
  z-index: 2;
  transition: .3s;
  visibility: hidden;
  opacity: 0;
}
.modal.active{
  visibility: visible;
  opacity: 1;
}
.modal__inner{
  position: relative;
  height: 100%;
}
.modal__contents {
  width: 90%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%,-50%);
  background: #fff;
  max-width: 800px;
  margin: 0 auto;
  z-index: 3;
}
.modal__contents-inner {
  padding: 40px 5%;
}
.close-btn{
  cursor: pointer;
  z-index: 10;
}
.modal__img-area{
  text-align: center;
}

@media screen and (max-width: 750px) {
  .work-card{
    width: 100%;
    margin: 0 auto 3rem;
  }
}