@charset "UTF-8";
/*--------------------------------------------------
変数定義
--------------------------------------------------*/
/*--------------------------------------------------
map型(key: value)でブレークポイントを定義する。
--------------------------------------------------*/
/*------------------------------
関連学会告知・広報のお申し込みについて
--------------------------------*/
section {
  padding: 0 10px;
}

/*期間*/
.period {
  font-weight: bold;
  font-size: 1.4rem;
  line-height: 4rem;
}
.period span {
  font-size: 2.5rem;
}

.period_2, .period_3 {
  display: inline-block;
}
@media screen and (max-width: 420px) {
  .period_2, .period_3 {
    text-indent: 4.1em;
  }
}

.period_3 {
  text-indent: 0;
}

.period_4 {
  font-weight: bold;
  font-size: 1.3rem;
  line-height: 4rem;
}
.period_4 span {
  font-size: 2.4rem;
}

/*送付先*/
.to_send_block_wrapper {
  margin-bottom: 40px;
  display: block;
  width: 100%;
  text-align: center;
}

.to_send_block {
  margin: 40px 0;
  display: inline-block;
  position: relative;
  padding: 10px;
  background-color: #F5FAF7;
  border: 3px solid #24592C;
  border-radius: 6px;
}
.to_send_block::after {
  position: absolute;
  content: "";
  width: 40px;
  height: 40px;
  background-color: #24592C;
  border-radius: 3px 0 0 0;
  top: 0;
  left: 0;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}
.to_send_block .title {
  margin-left: 30px;
  color: #24592C;
  font-size: 18px;
  font-weight: 600;
}
.to_send_block .contents p {
  font-size: 15px;
  line-height: 1.5em;
  margin: 6px 0;
}

/*アンダーライン*/
.undeerline_2px {
  text-decoration-line: underline;
  text-underline-offset: 2px;
}