@charset "UTF-8";
#oc {
  padding: 60px 0 60px 0;
  background-image: url(../img/top/fv.jpg);
  background-position: center; 
  background-color:rgba(255,255,255,0.5);
  background-blend-mode:lighten;
  background-size: cover;
}
@media (max-width: 720px) {/* スマホ表示 */
  #oc {
    padding: 30px 0 40px 0;
  }
}  
.oc_container {
  background: url(../img/back.png) no-repeat right center/cover;
  background-color:rgba(255,255,255,0.6);
background-blend-mode:lighten;
}
#oc_day {
  padding: 60px 0;
  background-image: url(../img/back_blue.png);
  background-position: top; 
  background-color:rgba(255,255,255,0.8);
  background-blend-mode:lighten;
  background-size: cover;
}
#oc_day .nav-item .nav-link {
  font-weight: bold;
  padding: 8px 20px;
  margin: 4px;
  font-size: 14px;
  color: var(--mainColor);
  border-radius: 45px;
  border: var(--mainColor) 2px solid;
  background-color: #ffffe0;
  }
  #oc_day .nav-item .nav-link:hover {
    color: #ffffe0;
    background-color: var(--mainColor);
  }
#oc_day .nav-item .active{
  color: #ffffe0;
  background-color: var(--mainColor);
}
#oc_day .card {
  border: none;
  border-radius: 10px;
}
#oc_day .card .btn_mbc {
  padding: 6px 12px;
  color: #ffffe0;
  background-color: var(--mainColor);
}
#oc_day .card .btn_mbc:hover {
  color: var(--mainColor);
  background-color: #ffffe0;
}
#oc_other {
  padding: 60px 0;
  background-image: url(../img/back_blue.png);
  background-position: top; 
  background-color:rgba(255,255,255,0.2);
  background-blend-mode:lighten;
  background-size: cover;
}

/* 体験授業 */
.radius10{
  border-radius: 5px;
}
#oc_detail .d_box {
  max-width: 440px;
}
#oc_detail h2 {
  position: relative;
  padding: 0.8rem 0;
  margin-bottom: 0.2rem;
  border-bottom: 5px solid;
  color: var(--mainColor);
  font-weight: bold;
  font-size: 26px;
  text-align: center;
}

#oc_detail h2:before,
#oc_detail h2:after {
  position: absolute;
  top: 100%;
  left: 50%;
  content: "";
  height: 0;
  width: 0;
}

#oc_detail h2:before {
  border: 16px solid;
  border-color: transparent;
  border-top-color: var(--mainColor);
  margin-left: -16px;
}

#oc_detail h2:after {
  border: 10px solid;
  border-color: transparent;
  border-top-color: white;
  margin-left: -10px;
}
/* スケジュール */
#oc_suc {
  background-image: url(../img/back_block.png);
}
#oc_suc h2 {/* タイトル*/
  background-color: var(--mainColor);
  height: 40px;
  text-align: center;
  font-weight: 800;
  color: #ffffff;
  font-size: 24px;
  padding: 10px 0;
}
.title_box {/* ボックス */
  position: relative;
  margin: 2em 0;
  padding: 0.5em 1em;
  background-color: #ffffff;
}
.title_box span {
  position: absolute;
  display: inline-block;
  top: -28px;
  left: -3px;
  padding: 0 11px;
  height: 28px;
  line-height: 25px;
  font-size: 18px;
  color: #ffffff;
  font-weight: bold;
  border-radius: 5px 5px 0 0;
}
.title_box p {
  margin: 0; 
  padding: 0;
}
/* 夏フェスボックス */
.summer_box {
  background-color: #fff;
  padding: 24px;
  border-radius: 5px;
  border: 3px solid #cf2b28;
}
.summer_title {
    width: 60px;
    margin: 0 20px;
}
@media (max-width:640px) {
  .summer_title {
    width: 34px;
    margin: 0 6px;
  }
}
.summer_color {
  color: #cf2b28;
}
.summer_border {
  border: 2px solid #cf2b28;
}
.btn_summer {
  color: #cf2b28;
  border: #cf2b28 2px solid;
}
.btn_summer:hover {
  background: #cf2b28;
  color: #fff;
}
.t_box01 {
  border: solid 3px var(--mainColor);
}
.t_box01 span {
  background: var(--mainColor);
}
.t_box02 {
  border: solid 3px var(--accentColor);
}
.t_box02 span {
  background: var(--accentColor);
}