@media screen and (max-width: 780px) {
  .news_sec .inr {
    flex-flow: column;
  }
  .news_sec .inr .cont {
    width: 90%;
    margin-left: auto;
  }
  .news_sec .inr .cont dd {
    font-size: 1.1em;
  }
  .join_sec .inr::after {
    width: 34%;
    max-width: 250px;
    top: -120px;
  }
  .join_sec ul {
    flex-direction: column;
  }
  .join_sec ul li {
    width: 100%;
    margin-bottom: 50px;
  }
  .join_sec ul li .img {
    width: 45%;
    margin-bottom: 0px;
  }
  .join_sec ul li .img dl dd {
    font-size: min(4.8vw, 24px);
  }
  .join_sec ul li .txt {
    writing-mode: unset;
    letter-spacing: 0;
    height: auto;
    width: 100%;
  }
  .join_sec ul li .txt h3 {
    font-size: min(3.8vw, 26px);
    text-align: center;
    margin: 10px;
  }
  .join_sec ul li .txt p {
    font-size: min(2.8vw, 15px);
    line-height: 1.7;
  }
  .criteria_sec .ttl .ttl_shadow {
    line-height: 0.8;
  }
  .criteria_sec .bg::after {
    width: 55%;
    height: 100%;
    right: -30px;
    top: -40px;
    background: url("../images/criteria_bg.gif") top center no-repeat;
    background-size: contain;
  }
  .criteria_sec .inr .cont {
    width: 100%;
  }
  .criteria_sec .inr .cont p {
    width: 65%;
    font-size: 0.9em;
  }
  .criteria_sec .inr .cont h3 {
    text-align: center;
    margin: 40px 0 20px;
    font-size: min(4.4vw, 24px);
  }
  .criteria_sec .inr .cont .rank dl {
    width: 20vw;
    height: 20vw;
  }
  .criteria_sec .inr .cont .rank::after {
    width: 20vw;
    height: 20vw;
  }
  .criteria_sec .inr .cont .rank dl {
    font-size: 0.75em;
  }
  .member_sec .cont ul {
    flex-direction: column;
  }
  .member_sec .cont ul li {
    width: 100%;
    align-items: center;
    margin-bottom: 40px;
  }
  .member_sec .cont ul li figure {
    width: 50%;
    margin: 0 auto;
  }
  .member_sec .cont ul li .info {
    width: 100%;
  }
  .member_sec .cont ul li dl {
    margin-bottom: 5px;
  }
  .member_sec .cont ul li dl dt {
    font-size: min(4.2vw, 32px);
    text-align: center;
  }
  .member_sec .cont ul li dl dd {
    font-size: min(2.4vw, 24px);
  }
  .member_sec .cont ul li table {
    font-size: 0.85em;
  }
  .caution_sec .cont li {
    flex-direction: column;
    margin-bottom: 20px;
    padding: 15px 10px;
  }
  .caution_sec .cont li figure {
    width: 85%;
  }
  .caution_sec .cont li .info {
    width: 100%;
  }
  .caution_sec .cont li .info .tag {
    font-size: 1em;
    font-weight: bold;
    margin: 15px auto;
  }
  .caution_sec .cont li .info h3 {
    font-size: min(3.7vw, 26px);
    text-align: center;
  }
  .caution_sec .cont li .info p {
    font-size: 0.9em;
    width: 100%;
    font-weight: 500;
  }
  .bisuness_sec .marquee li {
    flex: 0 0 250px;
  }
  .bisuness_sec .cont ul {
    flex-direction: column;
    padding-bottom: 60px;
  }
  .bisuness_sec .cont ul li {
    width: 70%;
    padding: 0px;
    padding-left: 30px;
    writing-mode: unset;
    line-height: 1.5;
    letter-spacing: 0;
    margin-bottom: 50px;
  }
  .bisuness_sec .cont ul li br {
    display: none;
  }
  .bisuness_sec .cont ul li::before {
    width: 120px;
    height: 100%;
    top: -30px;
    left: -10px;
  }
  .bisuness_sec .cont ul li:nth-child(1), .bisuness_sec .cont ul li:nth-child(2), .bisuness_sec .cont ul li:nth-child(3), .bisuness_sec .cont ul li:nth-child(4), .bisuness_sec .cont ul li:nth-child(5), .bisuness_sec .cont ul li:nth-child(6) {
    margin-top: 0px;
  }
  .bisuness_sec .cont ul li:nth-child(even) {
    margin-left: auto;
  }
  .bisuness_sec .cont ul li h3 {
    font-size: min(3.2vw, 24px);
    margin-left: 10px;
  }
  .bisuness_sec .cont ul li p {
    font-size: 0.9em;
    line-height: 1.7;
    margin: 10px 0 0 10px;
  }
  .network_sec .inr {
    position: relative;
  }
  .network_sec .inr::after {
    width: 40%;
    max-width: 140px;
    height: 100%;
    right: 0px;
    top: -120px;
  }
  .network_sec .cont ul {
    margin-top: 80px;
    display: flex;
    justify-content: space-between;
  }
  .network_sec .cont ul li {
    width: 47%;
  }
  .network_sec .cont ul li figure {
    width: 60%;
  }
  .network_sec .cont ul li dl dd {
    font-size: 0.9em;
  }
  .company_sec .message {
    flex-direction: column;
  }
  .company_sec .message figure {
    width: 50%;
    max-width: 280px;
    margin: 0 auto 20px auto;
  }
  .company_sec .message .cont {
    width: 100%;
  }
  .company_sec .message .cont h3 {
    margin-bottom: 10px;
  }
  .company_sec .message .cont p {
    line-height: 1.7;
    margin-bottom: 0em;
    font-size: 0.9em;
    text-align: justify;
  }
  .company_sec .message .cont dl {
    font-size: 0.9em;
  }
  .company_sec .message .cont dl dd {
    font-size: 1.1 em;
  }
  .company_sec table {
    margin-top: 30px;
    font-size: 0.85em;
    line-height: 1.6;
  }
  .company_sec table th,
  .company_sec table td {
    border-bottom: 1px solid #ccc;
    padding: 3px 0;
    display: block;
  }
  .company_sec table th {
    width: 20%;
    text-align: left;
    border: none;
    padding-top: 10px;
  }
  .company_sec table td {
    padding: 5px 0 10px;
  }
  .company_sec table ul {
    list-style: decimal;
    padding-left: 1.5em;
  }
  .contact_sec .table {
    display: table;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border-collapse: collapse;
  }
  .contact_sec .table dl {
    display: block;
    border-bottom: 1px dashed #aaa;
  }
  .contact_sec .table dl dt,
  .contact_sec .table dl dd {
    display: block;
    padding: 12px 0;
  }
  .contact_sec .table dl dt .w50,
  .contact_sec .table dl dd .w50 {
    width: 100%;
  }
  .contact_sec .table dl dt {
    text-align: left;
    padding-bottom: 0;
  }
  .contact_sec .table dl dt .required {
    margin: 0 auto 0 0;
  }
  .complete_sec {
    text-align: center;
  }
  .complete_sec h4 {
    font-size: min(3.8vw, 22px);
    margin-bottom: 10px;
  }
}