body {
  background-color: #FF9900;
  padding: 0 10px;
}
#content {
  background: #FFF;
  margin: 0 auto;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
}
#mail_ttl.text {
  background: #00375f;color: #FFF;
  font-weight: bold;
  font-size: 1.5rem;line-height: 1.3em;
  text-align: center;
  padding: 0.5em 0;
}

#footer {
  text-align: center;
  color: #FFF;
  font-size: 0.85rem;
  line-height: 1.75;
  padding: 1.5rem 0;
}

.t_red {color: #cc0000}






.setumei {
  margin: 1.5rem 0;
}
.setumei p {
  line-height: 1.75;
  margin-bottom: 1rem;
}

#flow .flow {line-height: 1.75}

/*********PCサイズ 幅551以上の時*********/
@media screen and (min-width: 551px) {
  #content {
    width: 900px;
    padding: 20px 30px 40px;
  }
  #mail_ttl.img {margin: 0 -30px;}
  
  .setumei {text-align: center}
  
  #flow .flow {
    height: 210px;
    padding: 10px 270px 0 250px;
  }
  
  #flow .flow01.flow {
    background:url("../img/flow01.jpg") no-repeat top left;
    height: 270px;
    padding: 70px 270px 0 250px;
  }
  #flow .flow02 {
    background:url("../img/flow02.jpg") no-repeat top left;
  }
  #flow .flow03 {
    background:url("../img/flow03.jpg") no-repeat top left;
  }
  #flow .flow04 {
    background:url("../img/flow04.jpg") no-repeat top left;
  }
  
  .flow_title,.flow_step {display: none;}
  
}
/*********スマホサイズ 幅550未満の時*********/
@media screen and (max-width: 550px) {
  #content {padding: 10px 10px 20px}
  #mail_ttl.img {margin: 0 -10px 1.5rem;}
  #mail_ttl.text {font-size: 1.25rem}
  #flow {
    box-shadow:inset 0 0 5px  rgba(0,0,0,0.5);
    padding: 0 10px 10px;
  }
  .flow_title {
    color: #00375f;
    font-weight: bold;
    font-size: 1.5rem;
    text-align: center;
    line-height: 3em;
    
  }
  #flow .flow {margin-top: 50px;position: relative}
  #flow .flow01.flow {margin: 0}

  #flow .flow::after {
    content: ""; display: block;
    background: #00375f;
    width: 30px; height: 15px;
    clip-path: polygon(0 0, 100% 0%, 50% 100%);
    position: absolute;
    bottom: -30px;
    left: calc(50% - 15px);
  }
  #flow .flow04.flow::after {display: none}
  
  .flow_step {
    display: flex;align-items: center;
    background: #00375f;color: #FFF;
    font-weight: bold;line-height: 1.3;
    padding: 0.5rem 0px 0.5rem 0.5rem;
    border-radius: 5px;
  }
  .step_nam {
    width: 1.5rem;line-height: 1.5rem;margin-right: 0.5rem;
    background: #FFF;color: #00375f;
    text-align: center;border-radius: 50%;
  }
  .step_text {width: calc(100% - 2rem)}
  .flow_text {padding: 0 5px}
}