@media screen and (max-width: 700px) {
  .pc {
    display: none;
  }
  .smart {
    display: block;
  }
  #all {
    margin: 0;
  }
  #all_form {
    margin: 30px auto 50px;
  }
  #contact_background {
    overflow: visible;
  }
  #info_header {
    /* height: 130px;
    padding-top: 80px; */
    -webkit-clip-path: polygon(0% 0%, 100% 0%, 100% 95%, 0% 85%);
            clip-path: polygon(0% 0%, 100% 0%, 100% 95%, 0% 85%);
    position: relative;
  }
  #info_header div:first-child {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  #info_header h1 {
    font-size: 1.5rem;
    letter-spacing: 5px;
  }
  #info_header h2 {
    font-size: 0.5rem;
    line-height: 0.7rem;
    margin-bottom: 1rem;
  }
  #info_header h3 {
    font-size: 0.5rem;
    line-height: 1rem;
  }
  #info_header .flex_area {
    top: 65%;
    left: 0;
  }
  #info_header .flex_area a {
    width: 30px;
  }
  #info_header .flex_area a:first-child, #info_header .flex_area a:last-child {
    width: 30px;
  }
  #index-line {
    font-size: 12px;
    padding: 0 5% 20px;
    transform: translateY(-1px);
  }
  .home_icon {
    margin-left: 0px;
    width: 17px;
  }
  #index-line p {
    font-size: 0.5rem;
  }
  .index-line-img {
    margin: 2px 6px 0;
    width: 7px;
  }
  .info_box {
    width: 100%;
    font-size: 14px;
    padding-bottom: 300px;
    overflow: visible;
  }
  .info_box_caution {
    font-size: 10px;
  }
  .info_dates {
    margin-top: 20px;
  }
  .info_title {
    font-size: 21px;
  }
  .info_main {
    margin: 1rem auto 3rem;
    font-size: 13px;
  }
  .info_main p {
    margin-left: 0;
  }
  .pagination {
    font-size: 0.6rem;
    padding: 0 3% 320px;
  }
  .button {
    width: 250px;
    font-size: 0.8rem;
    padding: 21px 0rem 21px 1.2rem;
    margin-bottom: 6rem;
  }
  .info_main_eyecatch h1 {
    font-size: 200%;
  }
  .info_main_eyecatch h2 {
    font-size: 150%;
    display: inline;
  }
  .info_main_eyecatch h3 {
    font-size: 125%;
  }
  /* .button_1 {
    width: 80%;
  }
  .button_2 {
    width: 80%;
  }
  .button_3 {
    width: 80%;
  } */
  .button_3 {
    margin: 10px auto;
  }
  .support_button span {
    width: 0.8rem;
  }
  .button_1 .support_button span {
    left: 0.5rem;
  }
  .button_2 .support_button span, .button_3 .support_button span {
    left: 1rem;
  }
  .content_box .flex_area {
    width: 100%;
  }
  .flex_btn {
    flex-direction: column;
  }
  .ftura a {
    font-family: futura-pt, sans-serif;
    font-weight: 400;
    font-style: normal;
  }
  .content_top {
    top: -5px;
  }
  .content_bottom {
    height: 400px;
  }
  .content_box:nth-child(2) .info_dates {
    margin-top: 30px;
  }
}