/* common */
:root{
  --font-awesome: "Font Awesome 5 Free";
}
*{
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body{
  color: #000;
  font-family: "Lato", sans-serif;
  font-weight: 400;
  line-height: 1;
}
body.hidden{
  overflow: hidden;
}
ul, ol{
  list-style: none;
}
a{
  color: inherit;
  text-decoration: none;
}
img{
  display: block;
  width: 100%;
}
@media (min-width: 768px){
  .sp{
    display: none;
  }
}
@media (max-width: 767px){
  .pc{
    display: none;
  }
}

main{
  display: flex;
  justify-content: space-between;
  padding: 90px;
}
@media (max-width: 767px){
  main{
    flex-direction: column;
    gap: 90px;
    padding: 0;
  }
}


/* aside */
.aside .sticky{
  position: sticky;
  top: 90px;
}
.aside .sticky .site_logo{
  width: 160px;
  margin-bottom: 90px;
}
.aside .sticky .nav{
  margin-bottom: 90px;
  font-size: 20px;
}
.aside .sticky .nav > li + li{
  margin-top: 30px;
}
.aside .sticky .nav a{
  position: relative;
  transition: opacity .2s;
}
.aside .sticky .nav a::after{
  content: '';
  background: #000;
  position: absolute;
  inset: auto auto 0 0;
  width: 100%;
  height: 1px;
  transform: scale(0, 1);
  transition: transform .2s;
  transform-origin: left;
}
.aside .sticky .nav a.active{
  pointer-events: none;
}
.aside .sticky .nav a.active::after{
  transform: scale(1, 1);
}
.aside .sticky .cat_nav{
  margin-top: 20px;
  font-size: 14px;
}
.aside .sticky .cat_nav > li + li{
  margin-top: 10px;
}
.aside .sticky .copy{
  font-size: 13px;
}
@media (min-width: 768px){
  .aside .sticky .nav a:hover{
    opacity: .5;
  }
  .aside .sticky .nav a:hover::after{
    transform: scale(1, 1);
  }
}
@media (max-width: 767px){
  .aside{
    width: 100%;
    padding: 0 20px 42px;
  }
  .aside.a{
    padding-top: 300px;
  }
}


/* TOP */
.mv img{
  width: auto;
  height: calc(100vh - 180px);
}
@media (max-width: 900px){
  .mv img{
    width: 300px;
    height: auto;
  }
}
@media (max-width: 767px){
  .mv img{
    width: 100%;
  }
}


/* low */
.low .grid{
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  width: 720px;
}
.low .grid li img{
  aspect-ratio: 128 / 171;
  object-fit: cover;
}
.low .modal{
  display: none;
  background: rgba(0, 0, 0, .8);
  position: fixed;
  inset: 0;
  z-index: 999;
}
.low .modal_content{
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% -50%;
  max-width: 100%;
  height: calc(100vh - 70px);
}
.low .modal_content img{
  width: auto;
  height: 100%;
}
.low .modal_content a{
  background: #000;
  position: absolute;
  translate: 0 -50%;
  width: 36px;
  height: 36px;
  border: none;
  cursor: pointer;
}
.low .modal_content a.prev{
  inset: 50% auto auto 0;
}
.low .modal_content a.next{
  inset: 50% 0 auto auto;
}
.low .modal_content a::after{
  color: #fff;
  position: absolute;
  inset: 50% auto auto 50%;
  translate: -50% -50%;
  font-weight: 600;
  font-family: var(--font-awesome);
}
.low .modal_content a.prev::after{
  content: '\f053';
}
.low .modal_content a.next::after{
  content: '\f054';
}
@media (max-width: 1100px){
  .low .grid{
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    width: 380px;
  }
}
@media (max-width: 767px){
  .low .grid{
    width: 100%;
    padding: 20px 20px 0;
  }
  .low .modal_content{
    width: calc(100% - 40px);
    height: auto;
  }
  .low .modal_content a{
    display: none;
  }
  .low .modal_content img{
    width: 100%;
    height: auto;
  }
}