form {
  padding-top: 5.856515373vw;
  padding-bottom: 8.78477306vw;
}

.form_item {
  display: flex;
  padding: 3% 0;
  border-bottom: 1px solid #C9C9C9;
}
.form_item:first-child {
  border-top: 1px solid #C9C9C9;
}

/* head_box */
.form_item .head_box {
  width: 20%;
  margin-right: 2%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* 必須 */
.form_item .head_box p.must {
  padding: 5.5px 10px;
  background-color: #0A6ADD;
  border-radius: 4px;
  margin-left: 15px;
  white-space: nowrap;
  color: #ffffff;
}
.form_item .head_box p.any {
  padding: 5.5px 10px;
  background-color: #C9C9C9;
  border-radius: 4px;
  margin-left: 15px;
  white-space: nowrap;
  color: #ffffff;
}

/* エラー文 */
.form_item .element_box p.errors {
  color: #dc0000;
  margin-top: 5px;
}

/* element_box */
.element_box {
  width: 78%;
  border-left: unset;
  border-right: unset;
}

.input_wrap {
  width: 100%;
  line-height: 1.5;
}
.double_text_input_wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* submitボタン */
.submit_btn {
  width: 40%;
  min-width: 200px;
  padding: 1.464128843vw;
  background-color: #0A6ADD;
  text-align: center;
  display: block;
  margin: auto;
  margin-top: 5.856515373vw;
  cursor: pointer;
  transition: all 0.5s;
  color: #ffffff;
}
@media screen and (max-width: 768px) {
  .submit_btn {
    margin-top: 60px;
    padding: 12px;
  }
}

.submit_btn:hover {
  opacity: 0.7;
}

/* テキストボックス用スタイル */
.input_item.text {
  width: 100%;
  padding: 15px;
  background-color: #ecedf2;
  border-radius: 5px;
  width: 100%;
}

.input_item.half {
  width: 48%;
}
/* テキストエリア用スタイル */
.input_item.textarea {
  width: 100%;
  padding: 15px;
  background-color: #ecedf2;
  border-radius: 5px;
  height: 20vw;
  max-height: 270px;
  min-height: 160px;
  line-height: 1.5;
}
.form_agree {
  line-height: 1.5;
}
.form_agree .errors {
  color: #dc0000;
  margin-top: 5px;
  text-align: center;
}

/* ====================================================================================================== */
/* レスポンシブ */
/* ====================================================================================================== */
@media screen and (max-width: 1024px) {
  form {
    /* padding-top: 60px; */
    padding-bottom: 80px;
  }
}

@media screen and (max-width: 768px) {
  .form_item {
    flex-direction: column;
  }
  .head_box {
    width: 100%;
  }

  .form_item:first-child .head_box {
    border-top: unset;
  }

  .form_item:first-child .element_box {
    border-top: unset;
  }
  .form_item .head_box {
    width: 100%;
  }
  .element_box {
    width: 100%;
  }

  .input_item.text {
    padding: 12px;
  }
}

@media screen and (max-width: 480px) {
  .form_item {
    padding: 25px 0;
  }
  .submit_btn {
    margin-top: 40px;
  }
  .form_item .head_box, .form_item .element_box {
    padding-left: 0;
    padding-right: 0;
  }
  form .form_item .f16 {
    font-size: 16px;
  }
  .form_item .head_box {
    margin-bottom: 15px;
  }
  .form_agree .errors,
  .form_item .element_box p.errors {
    font-size: 12px;
  }
}