@charset 'utf-8';
/* 上のナビ */
nav {
  display: flex;
  z-index: 10;
  position: fixed;
  width: 100%;
}
nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  align-items: baseline;
  justify-content: space-evenly;
  width: 100%;
  background: rgba(255, 255, 255, 0.2);
  margin: 0;
  padding: 10px 0;
}
nav ul li {
  text-align: center;
}
nav ul li img {
  width: 20px;
}
nav ul li a {
  text-decoration: none;
}

/* 切り替えボタン */
.open {
  display: block;
}
.null {
  display: none;
}
.category {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  flex-wrap: wrap;
  margin: 100px 0 130px;
}
.category div {
  color: #88cbac;
  border: 1px solid #b9ddcd;
  cursor: pointer;
  padding: 1px 14px;
  margin: 5px 0;
}

main {
  position: relative;
  width: 90%;
  margin: 0 auto;
}
.top-arrow {
  text-align: center;
}

/* 作品 */
.work-dl {
  margin-bottom: 40px;
  background-color: #fafafa;
}
.work-dt img {
  display: flex;
  width: 100%;
  height: 25rem;
  object-fit: cover;
  padding: 30px;
}
.work-dd {
  padding: 0 30px 30px;
}
.work-dd h2 {
  margin: 5px 0px;
  text-align: left;
}
.work-null{
  display: none;
}