.input-row {
  display: flex; /* 横並びにするためにflexboxを使用 */
  gap: 10px; /* 入力欄間のスペースを設定 */
}

.importance {
  font-weight: bold;
}

.div-birthday > input {
  font-size: 18px;
  width:120px;
  height: 50px;
}
.div-birthday > div {
  display: flex;
  font-size: 18px;
  width:30px;
  height: 50px;
  align-items: center; 
  justify-content: center;
}

.div_msg_center,.div_msg_center * {
	width: 500px;
	margin-right: auto;
	margin-left: auto;
  padding-bottom: 10px;
  font-weight: bold;
}

@media (max-width: 750px) {
    .input-row {
    display: block;
    gap: 10px; /* 入力欄間のスペースを設定 */
  }
  .div-birthday {
    display: flex;
    width: 100%;
  }

  .div-birthday > input {
    font-size: 18px;
    width:20%;
    height: 50px;
  }

  .div-birthday > div {
    display: flex;
    font-size: 18px;
    width:5%;
    height: 50px;
    align-items: center; 
    justify-content: center;
  }

  .div-name {
    display: flex;
    width: 100%;
  }
  .input-name #sei,
  .input-name #mei {
    width: 45%;
  }


  .div_msg_center,  .break-before {
    width: 100%;
    font-size: large;
    font-weight: bold;
  }
  .div_msg_center {
    text-align: center;
    margin-right: auto;
    margin-left: auto;
    padding-bottom: 10px;
    
  }
  .break-before { 
    display: inline-block;
  }
}

.input-mail {
  width: 100% !important;
}

select {
  height: 50px;
  font-size: 18px;
  width: 200px;
}

.div-highlight-msg {
  font-size: 20px !important;
  text-align: center;
  color: #cc0001 !important;
  padding-bottom: 10px;
}

.div-to-login {
  text-align: center;
}

input[name="one_time_pass"] {
  font-size: 18px;
  width: 100px;
  height: 30px;
}

/* Chrome, Safari, Edge */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* Firefox */
input[type=number] {
    -moz-appearance: textfield;
}