body {
  background-color: #efefef;
}
#content {
  background-color: #ffffff;
  padding: 5%;
  margin-bottom: 2rem;
}
.main-nav {
  background-color: #ffffff;
  flex-direction: column;
}
.logo {
  margin: auto;
}
.logo-img {
  max-height: 70px;
  margin: 10px;
}
.title-jmbtrn {
  background-color: #3399cc;
  color: white;
  text-align: center;
}
.font-bold {
  font-weight: bold;
}
/* 受付終了画面のh1*/
.reception-closed {
  background-color: #3399cc;
  color: white;
  text-align: center;
  padding: 2rem 1rem;
  margin-bottom: 2rem;
  border-radius: .3rem;
}
/* .content内のh2スタイル */
#content h2 {
  font-size: 1.5rem;
  position: relative;
  color: #ffffff;
  padding: 0.5em 0.5em 0.5em 0.7em;
  background-color: #3399cc;
  border-radius: 2px;
  font-weight: bold;
  margin-bottom: 2rem;
}
footer {
  background-color: #3399cc;
  color: white;
  text-align: center;
  padding: 1.3rem;
}
footer p {
  margin: 0;
}
/*選択肢の注釈表示の部 #symposium_notice*/
#symposium_notice1 {
  padding: 1em;
  margin: 0.5em;
  color: #2c2c2f;
  background: #fffad6;
}
#symposium_notice2 {
  padding: 1em;
  margin: 0.5em;
  color: #2c2c2f;
  background: #fffad6;
}
/*備考欄のテキストエリア*/
textarea {
  width: 100%;
}
/*各項目*/
dt {
  color: #2c2c2f;
  background: #cde4ff;
  margin: 3rem 0 1rem 0;
  padding: 1rem;
}
/*確認ボタン*/
.btn {
  text-align: center !important;
  width: 200px;
  color: #fff;
  background-color: #eb6100;
  border-bottom: 5px solid #b84c00;
  -webkit-box-shadow: 0 3px 5px rgba(0, 0, 0, .3);
  box-shadow: 0 3px 5px rgba(0, 0, 0, .3);
}
.btn:hover {
  margin-top: 3px;
  color: #fff;
  background: #f56500;
  border-bottom: 2px solid #b84c00;
}
input[type="text"], input[type="email"] {
  width: 70%;
}
li:not(.explanatory-text) {
  color: #FF0004;
  border-color: #f5c6cb;
  position: relative;
  padding: .75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: .25rem;
}
.reception-closed-text {
  text-align: center;
}
span.must {
  padding: 5px;
  margin: 0 0px 0 20px;
  color: #FFF;
  background: #FF5053;
  border-radius: 10px;
}