@media (max-width: 640px) { /* SP用 */
  /* ///////////////////////////////////////////////////////////////////

flexbox - SP2 

/////////////////////////////////////////////////////////////////// */
  #footer-tel-2colum {
    display: block;
    position: fixed;
    width: 100%;
    /*margin: 0 auto;*/
    bottom: 0px;
    display: -webkit-flex;
  }
  .f-container {
    display: flex;
    flex-wrap: nowrap;
    justify-content: center;
    align-items: flex-end;
  }
  .f-item01 {
    flex-basis: 50%;
  }
  .f-item02 {
    flex-basis: 25%;
  }
  .f-item03 {
    flex-basis: 25%;
  }
  /* ///////////////////////////////////////////////////////////////////

症状導線メニュー

/////////////////////////////////////////////////////////////////// */
  #colum2_acordion ul {
    padding-top: unset;
    float: none;
  }
  #colum2_acordion ul li {
    display: unset;
    margin-left: unset;
    font-size: unset;
    text-align: left;
  }
  #colum2_acordion ul li a {
    padding-left: unset;
    color: unset;
    background: unset;
  }
  #colum2_acordion ul li a:hover {
    background-position: unset;
  }
  .flexbox2 {
    display: flex;
    flex-wrap: wrap;
    margin: 0;
    justify-content: flex-start;
  }
  .flexbox2 > div {
    margin: 0 1% 10px;
  }
  .flexbox2 > li {
    margin-top: 0;
    /* [disabled]margin-right: 1%;
*/
    /* [disabled]margin-left: 1%;
*/
    /* [disabled]margin-bottom: 10px;
*/
    border-bottom: 1px solid #989898;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    padding-top: 10px;
    padding-right: 5px;
    padding-left: 10px;
    padding-bottom: 10px;
    font-size: 95%;
  }
  /*奇数のli要素に適応*/
  .flexbox2 > li:nth-child(odd) {
    border-right: 1px solid #989898;
  }
  .flexbox2a {
    display: block;
    line-height: 44px;
    color: #989898;
    text-decoration: none;
  }
  .flexbox2 a:hover {
    color: #989898;
    background: #e6e6e6;
  }
  .flexbox2 > div {
    width: calc(49% - 1%);
  }
  .flexbox2 > li {
    width: calc(49%);
  }
  /* ///////////////////////////////////////////////////////////////////

colum2_acordion

/////////////////////////////////////////////////////////////////// */
  #colum2_acordion .title {
    clear: unset;
    margin: unset;
    padding: unset;
    border-left: unset;
    background-repeat: unset;
    background-position: unset;
    background-image: unset;
    background-color: unset;
    font-weight: bold;
    text-align: center;
    border-bottom: 1px solid #989898;
    color: #252525;
  }
  /*ボックス全体*/
  .accbox {
    /* [disabled]margin-top: 2em;
*/
    margin-right: 0;
    margin-left: 0;
    /* [disabled]margin-bottom: 2em;
*/
    padding: 0;
    /* [disabled]max-width: 400px;
*/ /*最大幅*/
  }
  /*ラベル*/
  .accbox label {
    display: block;
    margin: 1.5px 0;
    padding: 11px 12px;
    text-align: center;
    border-bottom: 1px solid #989898;
    color: #0628C0;
    background-color: unset;
    background-color: #D1E4F8;
    cursor: pointer;
    transition: all 0.5s;
    text-decoration: underline;
  }
  /*ラベルホバー時*/
  .accbox label:hover {
    background: #85baef;
  }
  /*チェックは隠す*/
  .accbox input {
    display: none;
  }
  /*中身を非表示にしておく*/
  .accbox .accshow {
    height: 0;
    padding: 0;
    overflow: hidden;
    opacity: 0;
  }
  /*クリックで中身表示*/
  .cssacc:checked + .accshow {
    height: auto;
    padding: 5px;
    opacity: 1;
  }
}