@charset "utf-8";

/* =============================================
	style
============================================= */
.content-name a,
.content-name a:visited{
  color: #fff;
  text-decoration: none;
  transition: opacity 0.2s ease;
}
.content__wrap{
  padding-bottom: 0;
}
.main-cont__header{
  margin: 0 ;
}
.content-name a:hover{
  opacity: 0.8;
}
.history_back a{
  padding: 0;
  border: none;
}
.mm_img2_cont{
  padding: 30px;
  flex: 1;
  position: relative;
  background-color: #fff080;
  text-align: center;
}
.mm_img2_cont:after{
  content: ' ';
  margin: 0 auto;
  position: absolute;
  top: -15px;
  right: 0;
  left: 5px;
  width: 38px;
  height: 44px;
  background: url(../img/pin.svg) no-repeat left center;
  background-size: 20px auto;
}
.month_box h4{
  margin: 0 0 15px;
  padding: 15px;
  background-color: var(--bg-color-light);
  font-size: 1.8rem;
}
.simple_btn a{
  margin: 0 auto 5px;
  padding: 20px 25px 20px 5px;
  display: block;
  max-width: 420px;
  width: 100%;
  font-size: 2.5rem;
  line-height: 1.3;
}
.simple_btn a .fontsize_s{
  margin-top: 0;
  display: block;
  font-size: 1.8rem;
}
.backnumber_more{
  margin-top: 50px;
}
.mail_body p,
.mail_body li{
  margin-bottom: 15px;
  line-height: 1.7;
}
.month_box{
  margin: 0 0 20px;
}
.course-link{
  margin: 40px 0 0;
  text-align: center;
}
.course-link a{
  display: inline-block;
  width: auto;
}
/* 解説 */
.explanation_cont p,
.explanation_cont dt,
.explanation_cont dd{
  line-height: 1.7;
}
.explanation_cont dt{
  margin: 0 0 5px;
  color: #ed5032;
  font-size: 1.5rem;
  font-weight: bold;
}
.answer{
  margin: 0 0 10px;
  padding: 15px;
  border: 1px solid #ccc;
}
.explanation_cont p.question{
  margin-bottom: 15px;
}
main .history_back{
  padding-right: 15px;
  display: inline-block;
}
/* 解説 */
main .history_back a{
  margin: 10px 0 15px;
}

/* ===========================================
	MediaQueries
=========================================== */
/* PC----------------------------- */
@media screen and (min-width: 768px){
  .main-cont__header{
    margin: 30px 0 30px;
  }
  .simple_btn a{
    margin: 0 auto 5px;
    padding: 20px 25px 20px 5px;
    width: 520px;
    font-size: 3.2rem;
  }
  .backnum_cont__wrap{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 40px;
  }
  .backnum_cont_index{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    text-align: center;
  }
  .backnum__list{
    width: 62%;
  }
}