html,
      body {
        margin: 0;
        padding: 0;
      }
      body {
        font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue",
          "Segoe UI", HiraginoCustom, "Hiragino Kaku Gothic ProN", "Noto Sans",
          "Noto Sans CJK JP", Meiryo, sans-serif;
      }
      .copyright {
        margin: 0;
        padding: 15px 0;
        font-size: 80%;
        color: #fff;
        text-align: center;
        background-color: #005798;
        border-top: 1px solid #004e89;
        clear: both;
      }
      .copyright a {
        color: #fcfcfc;
      }
      .header_main {
        border-top: solid 0.2em #005798;
        border-bottom: solid 0.1em #d5d5d5;
        padding: 1% 5% 0.5% 5%;
      }
      @media screen and (min-width: 481px) {
      }
      @media screen and (min-width: 768px) and (max-width: 1024px) {
        /*　for iPad 　*/
        .header_main {
          padding: 1% 15% 0.5% 15%;
        }
      }
      @media screen and (min-width: 1024px) {
        /*　for PC　*/
        .header_main {
          padding: 1% 15% 0.5% 15%;
        }
      }
      .hero {
        position: relative;
        color: #fff;
        margin-bottom: 73px;
      }
      .hero-bg {
        position: absolute;
        top: 0;
        height: 100%;
        width: 100%;
        overflow: hidden;
        z-index: 0;
        background: rgba(39, 76, 122, 0.8);
        background-image: url("../images/service_back.png");
        background-blend-mode: overlay;
        background-size: cover;
      }
      .hero-bg:after {
        position: absolute;
        display: block;
        width: 100%;
        height: 100%;
        content: "";
        background-color: rgba(39, 76, 122, 0.8);
      }
      .hero .flexbox.layout {
        position: relative;
        z-index: 1;
      }
      .hero-title {
        margin-top: 0;
        margin-bottom: 15px;
      }
      .hero-title small {
        display: block;
        font-size: 14px;
      }
      .hero-body {
        margin-bottom: 52px;
        font-size: 14px;
        letter-spacing: 1.9px;
        line-height: 1.71;
        text-align: justify;
      }
      @media screen and (max-width: 767px) {
        /*　for iPad 　*/
        .flexbox.layout {
          display: flex;
          flex-direction: column;
          align-items: center;
          padding-top: 40px;
          padding-bottom: 103px;
        }
        .flexbox.layout > .flex {
          width: 311px;
        }
        .flexbox.layout > .flex:first-child {
          margin-bottom: 37px;
        }
        .hero-title {
          font-size: 16px;
          line-height: 1.94;
        }
        .hero-bg:after {
          background-image: linear-gradient(
            rgba(39, 76, 122, 0),
            rgba(39, 76, 122, 1)
          );
        }
      }
      @media screen and (max-width: 320px) {
        /*　for 320以下 5S対応 　*/
        .flexbox.layout > .flex {
          width: 290px;
        }
      }
      @media screen and (min-width: 768px) {
        /*　for PC　*/
        .flexbox {
          display: flex;
          justify-content: space-between;
        }
        .flexbox.layout {
          max-width: 967px;
          margin: 0 auto;
          padding-top: 45px;
          padding-bottom: 60px;
        }
        .flexbox.layout > .flex {
          flex-basis: 440px;
          padding-right: 16px;
          padding-left: 16px;
        }
        .flexbox.layout > .flex:first-child {
          padding-left: 0;
        }
        .flexbox.layout > .flex:last-child {
          padding-right: 0;
        }
        .hero-title {
          font-size: 18px;
          line-height: 1.72;
        }
      }
      .case-headline {
        display: flex;
        font-size: 14px;
        line-height: 40px;
        letter-spacing: 0.3px;
        font-weight: bold;
      }
      .case-headline-icon {
        margin-right: 5px;
      }
      .case-headline-icon svg {
        display: inline-block;
      }
      .case-column {
        display: flex;
        border-radius: 10px;
        border: solid 1px #ffffff;
      }
      .case-column .flex {
        border-style: dashed;
        flex: 1;
      }
      .case-column .flex:first-child {
        padding-left: 0;
        padding-top: 0;
        border: none;
      }
      .case-column .flex:last-child {
        padding-right: 0;
        padding-bottom: 0;
      }
      .case-column .case-column-title {
        color: #d66530;
      }
      .case-column .case-column-title .text {
        font-size: 14px;
        letter-spacing: 0.62px;
      }
      .case-column .case-column-title .num {
        font-weight: bold;
        font-size: 25px;
      }
      .case-column .case-column-body {
        font-size: 14px;
      }
      @media screen and (max-width: 767px) {
        /*　for iPad 　*/
        .case-column {
          flex-direction: column;
          padding: 18px 23px;
        }
        .case-column .flex {
          padding-top: 18px;
          padding-bottom: 18px;
          border-top-width: 1px;
          border-bottom-width: 0px;
          border-left-width: 0px;
          border-right-width: 0px;
        }
      }
      @media screen and (min-width: 768px) {
        /*　for PC　*/
        .case-column {
          padding: 23px;
        }
        .case-column .flex {
          padding-left: 23px;
          padding-right: 23px;
          border-top-width: 0px;
          border-bottom-width: 0px;
          border-left-width: 1px;
          border-right-width: 0px;
        }
      }
      .cssslider {
        display: flex;
        justify-content: space-between;
        position: relative;
        margin: 0 auto;
        text-align: center;
      }
      .cssslider > img {
        position: absolute;
        left: 0;
        top: 0;
      }
      .cssslider input[name="switch"] {
        display: none;
      }
      .cssslider label {
        display: inline-block;
        width: 19%;
        cursor: pointer;
      }
      .cssslider label:hover {
        opacity: 0.9;
      }
      .cssslider label img {
        display: block;
        width: 100%;
      }
      .cssslider input[name="switch"]:checked + label {
        opacity: 1;
      }
      .cssslider input[name="switch"] ~ img {
        opacity: 0;
      }
      .cssslider input[name="switch"]:checked + label + img {
        opacity: 1;
      }
      @media screen and (max-width: 767px) {
        /*　for iPad 　*/
        .cssslider {
          max-width: 311px;
          padding-top: 220px; /* 画像の高さ */
        }
        .cssslider > img {
          width: 100%;
        }
        .cssslider label {
          margin-top: 15px;
        }
      }
      @media screen and (max-width: 320px) {
        /*　for 320以下 5S対応 　*/
        .cssslider {
          width: 290px;
          padding-top: 205px; /* 画像の高さ */
        }
      }
      @media screen and (min-width: 768px) {
        .cssslider {
          max-width: 440px;
          padding-top: 311px; /* 画像の高さ */
        }
        .cssslider > img {
          width: 100%;
        }
        .cssslider label {
          margin-top: 25px;
        }
      }
      .scroll-mark {
        position: absolute;
        bottom: 10px;
        left: 50%;
        margin-left: -20px;
        z-index: 2;
        display: inline-block;
        -webkit-transform: translate(0, -50%);
        transform: translate(0, -50%);
        text-decoration: none;
      }
      .scroll-mark span {
        position: absolute;
        top: -60px;
        left: 50%;
        width: 24px;
        height: 24px;
        margin-left: -12px;
        border-left: 1px solid #fff;
        border-bottom: 1px solid #fff;
        -webkit-transform: rotate(-45deg);
        transform: rotate(-45deg);
        -webkit-animation: sdb 1.5s infinite;
        animation: sdb 1.5s infinite;
        box-sizing: border-box;
      }
      @-webkit-keyframes sdb {
        0% {
          -webkit-transform: rotate(-45deg) translate(0, 0);
          opacity: 0;
        }
        50% {
          opacity: 1;
        }
        100% {
          -webkit-transform: rotate(-45deg) translate(-20px, 20px);
          opacity: 0;
        }
      }
      @keyframes sdb {
        0% {
          transform: rotate(-45deg) translate(0, 0);
          opacity: 0;
        }
        50% {
          opacity: 1;
        }
        100% {
          transform: rotate(-45deg) translate(-20px, 20px);
          opacity: 0;
        }
      }
      .form-content {
        max-width: 616px;
        margin-right: auto;
        margin-left: auto;
        margin-bottom: 103px;
      }
      .form-msg {
        margin-bottom: 56px;
        line-height: 1.71;
        letter-spacing: 0.6px;
        font-size: 14px;
      }
      @media screen and (max-width: 767px) {
        /*　for iPad 　*/
        .form-content {
          width: 311px;
        }
      }
      @media screen and (max-width: 320px) {
        /*　for 320以下 5S対応 　*/
        .form-content {
          width: 290px;
        }
      }
      @media screen and (min-width: 768px) {
        .form-msg {
          text-align: center;
        }
      }