/* Guidelines
-------------------------------------------*/

.guidelines{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: flex-start;
  text-align: left;
}
.guidelines .side_menu{
  position: sticky;
  top: 2rem;
  flex: 0 0 260px;  /* 幅固定 */
  padding: 0 0 10rem 3rem;
  font-weight: bold;
  font-size: clamp(12px,1.846vw,14px);
}
.side_menu ul{
  list-style: none;
  margin: 0;
  padding: 0;
}
.side_menu ul li{
  margin-bottom: 1rem;
}
.side_menu ul li span{
  font-size: 0.75em;
}
.side_menu ul li a{
  text-decoration: none;
  display: block;
  padding-left: 1.2em;
  position: relative;
}
.side_menu ul li a.active{
  color: var(--blue);
}
.side_menu ul li a.active::before{
  content: "●";
  position: absolute;
  left: 0;
}

/* content area */

.guidelines .content_area{
  flex: 1; /* 残りを自動で埋める */
  min-width: 0; /* はみ出し防止 */
}
.guidelines .h_text h2 span{
  font-size: 0.5em;
}
.content_area .sec{
  width: var(--page-width);
}
.tbl_list dl{
  display: flex;
  flex-wrap: wrap;
  margin-left: 1.5rem;
  border-bottom: 1px solid #ddd;
}
.tbl_list dt,
.tbl_list dd{
  padding: 1.5rem 0;
  font-size: clamp(12px,1.846vw,16px);
}
.tbl_list dt{
  width: 25%;
  font-weight: bold;
}
.tbl_list dd{
  width: 75%;
}

@media screen and (max-width: 650px){
  
  
  .guidelines{
    padding-bottom: 5rem;
  }
  .guidelines .sec{
    padding-bottom: 5rem;
  }
  .guidelines .side_menu{
    display: none;
  }
  .tbl_list dl{
    margin-left: 0;
  }
  .tbl_list dt,
  .tbl_list dd{
    width: 100%;
    font-size: clamp(12px,1.846vw,16px);
  }
  .tbl_list dt{
    padding: 1rem 0 .5rem;
  }
  .tbl_list dd{
    padding: 0 0 1rem;
  }
}