@media screen and (min-width: 1400px) {
  .three-business-top-title {
    font-size: 54px;
  }
  .three-business-in-bold {
    font-size: 45px;
  }
  .three-business-title {
    font-size: 27px;
  }
  .three-business-in-text {
    font-size: 18px;
  }
  .corporation-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width {
    width: 1080px;
    max-width: 1080px;
    min-width: 1080px;
  }
  .max-width-center-company {
    margin: 0 auto;
    width: 1000px;
    max-width: 1000px;
    min-width: 1000px;
  }
  .max-width-three-business {
    width: 85%;
    margin: 0 7.5% 0 7.5%;
    max-width: 85%;
    min-width: 85%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .step {
    width: 45%;
    height: 500px;
    margin-right: auto;
    background-color: #1a2872;
    position: relative;
    z-index: 1;
    margin-top: 100px;
  }
  .flow {
    width: 90%;
    max-width: 90%;
    min-width: 90%;
    position: relative;
    z-index: 10;
    margin-top: -400px;
    margin-left: auto;
  }
  .bg-section {
    background-color: white;
  }
}
@media screen and (max-width: 1399px) and (min-width: 1200px) {
  .three-business-top-title {
    font-size: 54px;
  }
  .three-business-in-bold {
    font-size: 45px;
  }
  .three-business-title {
    font-size: 27px;
  }
  .three-business-in-text {
    font-size: 18px;
  }
  .corporation-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width-center-company {
    margin: 0 auto;
    width: 1000px;
    max-width: 1000px;
    min-width: 1000px;
  }
  .max-width-three-business {
    width: 85%;
    margin: 0 7.5% 0 7.5%;
    max-width: 85%;
    min-width: 85%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .step {
    width: 45%;
    height: 500px;
    margin-right: auto;
    background-color: #1a2872;
    position: relative;
    z-index: 1;
    margin-top: 100px;
  }
  .flow {
    width: 90%;
    max-width: 90%;
    min-width: 90%;
    position: relative;
    z-index: 10;
    margin-top: -400px;
    margin-left: auto;
  }
  .bg-section {
    background-color: white;
  }
}
@media screen and (max-width: 1199px) and (min-width: 992px) {
  .three-business-top-title {
    font-size: 54px;
  }
  .three-business-in-bold {
    font-size: 45px;
  }
  .three-business-title {
    font-size: 27px;
  }
  .three-business-in-text {
    font-size: 18px;
  }
  .corporation-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width {
    width: 700px;
    max-width: 700px;
    min-width: 700px;
  }
  .max-width-center-company {
    margin: 0 auto;
    width: 700px;
    max-width: 700px;
    min-width: 700px;
  }
  .max-width-three-business {
    width: 85%;
    margin: 0 7.5% 0 7.5%;
    max-width: 85%;
    min-width: 85%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .step {
    width: 50%;
    height: 500px;
    margin-right: auto;
    background-color: #1a2872;
    position: relative;
    z-index: 1;
    margin-top: 100px;
  }
  .flow {
    width: 90%;
    max-width: 90%;
    min-width: 90%;
    position: relative;
    z-index: 10;
    margin-top: -400px;
    margin-left: auto;
  }
  .bg-section {
    background-color: white;
  }
}
@media screen and (max-width: 991px) and (min-width: 768px) {
  .three-business-top-title {
    font-size: 54px;
  }
  .three-business-in-bold {
    font-size: 45px;
  }
  .three-business-title {
    font-size: 27px;
  }
  .three-business-in-text {
    font-size: 18px;
  }
  .corporation-img {
    width: 100%;
    height: 250px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width {
    width: 600px;
    max-width: 600px;
    min-width: 600px;
  }
  .max-width-center-company {
    margin: 0 auto;
    width: 600px;
    max-width: 600px;
    min-width: 600px;
  }
  .max-width-three-business {
    width: 85%;
    margin: 0 7.5% 0 7.5%;
    max-width: 85%;
    min-width: 85%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .step {
    width: 50%;
    height: 500px;
    margin-right: auto;
    background-color: #1a2872;
    position: relative;
    z-index: 1;
    margin-top: 100px;
  }
  .flow {
    width: 90%;
    max-width: 90%;
    min-width: 90%;
    position: relative;
    z-index: 10;
    margin-top: -400px;
    margin-left: auto;
  }
  .bg-section {
    background-color: white;
  }
}
@media screen and (max-width: 767px) and (min-width: 575px) {
  .three-business-top-title {
    font-size: 54px;
  }
  .three-business-in-bold {
    font-size: 45px;
  }
  .three-business-title {
    font-size: 27px;
  }
  .three-business-in-text {
    font-size: 18px;
  }
  .corporation-img {
    width: 100%;
    height: 100px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width {
    width: 575px;
    max-width: 575px;
    min-width: 575px;
  }
  .max-width-center-company {
    width: 90%;
    margin: 0 5% 0 5%;
    max-width: 90%;
    min-width: 90%;
  }
  .max-width-three-business {
    width: 90%;
    margin: 0 5% 0 5%;
    max-width: 90%;
    min-width: 90%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .step {
    width: 90%;
    height: 500px;
    margin-right: auto;
    background-color: #1a2872;
    position: relative;
    z-index: 1;
    margin-top: 100px;
  }
  .flow {
    width: 90%;
    max-width: 90%;
    min-width: 90%;
    position: relative;
    z-index: 10;
    margin-top: -400px;
    margin-left: auto;
  }
  .bg-section {
    background-color: white;
  }
}
@media screen and (max-width: 574px) {
  .three-business-top-title {
    font-size: 48px;
  }
  .three-business-in-bold {
    font-size: 24px;
  }
  .three-business-title {
    font-size: 24px;
  }
  .three-business-in-text {
    font-size: 16px;
  }
  .corporation-img {
    width: 100%;
    height: 100px;
    overflow: hidden;
    position: relative;
  }
  .corporation-img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }
  .max-width {
    width: 90%;
    margin: 0 5% 0 5%;
    max-width: 90%;
    min-width: 90%;
  }
  .max-width-center-company {
    width: 90%;
    margin: 0 5% 0 5%;
    max-width: 90%;
    min-width: 90%;
  }
  .max-width-three-business {
    width: 90%;
    margin: 0 5% 0 5%;
    max-width: 90%;
    min-width: 90%;
  }
  .caption {
    font-size: 60px;
    color: #e6e7e8;
    font-family: "Open sans" sans-serif;
  }
  .flow {
    width: 100%;
    max-width: 100%;
    min-width: 100%;
    z-index: 10;
  }
  .bg-section {
    background: linear-gradient(to bottom, #1a2872, white);
  }
}
@media (max-width: 960px) {
  .footer-section {
    margin: 0 0 30px;
    padding: 40px 10px 32px;
  }
  .footer-section .contact-tel {
    margin: 0 15px;
    width: 100% !important;
  }
  .footer-section .contact-ul .contact-inner {
    padding: 25px 20px 20px;
  }
  .footer-section .tel-box {
    display: block;
  }
  .footer-section .tel-box h2 {
    font-size: 16px;
    margin-bottom: 20px !important;
  }
  .footer-section .contact-ul .contact-icon {
    float: left;
    margin: 0 !important;
  }
  .footer-section .tel-txt {
    font-size: 24px !important;
  }
  .footer-section .contact-ul .contact-item {
    margin: 0 15px;
    width: 100%;
  }
  .footer-section .contact-ul .contact-item-title {
    font-size: 16px;
    margin: 0 0 22px;
  }
  .footer-section .contact-ul .contact-icon {
    float: none;
    margin: 0 auto 12px !important;
    width: 54px;
  }
  .footer-section .tel-box .tel-icon {
    float: left;
  }
  .footer-section .common-sp {
    display: block;
  }
  .footer-section .common-pc {
    display: none;
  }
  .footer-section .contact-ul .contact-btn {
    font-size: 16px;
    max-width: 238px;
  }
  .footer-section .contact-ul .contact-item-text {
    margin: 0 0 12px;
  }
  .footer-section .contact-text {
    font-size: 14px;
    margin: 0 0 30px;
  }
  .footer-section .contact-title {
    font-size: 20px;
  }
  .footer-section .contact-ul .contact-btn:hover {
    opacity: 1;
  }
}
@media (max-width: 750px) {
  .footer-section {
    padding: 40px 10px 12px;
  }
  .footer-section .contact-ul {
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    -moz-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
  }
  .footer-section .contact-ul .contact-item {
    margin: 0 auto 20px;
  }
}