@media screen and (min-width: 769px), print {
  .kv img {
    width: 100%;
    height: auto;
  }
  .b_aboutCourse {
    background-color: #ffffff;
    padding: 80px 0;
  }
  .b_aboutCourse .row {
    text-align: center;
  }
  .b_aboutCourse_ttl {
    font-size: 3.2rem;
    line-height: 1.6;
    font-weight: 700;
    color: #000000;
    margin-bottom: 50px;
    text-align: center;
  }
  .b_aboutCourse_wrap {
    background-color: #f4f3f3;
    padding: 40px 50px 50px;
    margin-bottom: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
  }
  .b_aboutCourse_wrap h3 {
    font-size: 2.8rem;
    line-height: 1.5;
    text-align: center;
    font-weight: 700;
    color: #129d1f;
    margin-bottom: 20px;
  }
  .b_aboutCourse_list {
    text-align: left;
    list-style: none;
    padding: 0 100px;
    margin: 0;
  }
  .b_aboutCourse_list li {
    font-size: 2rem;
    line-height: 1.8;
    color: #000000;
    font-weight: 500;
    padding-left: 50px;
    position: relative;
    margin-bottom: 20px;
  }
  .b_aboutCourse_list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    -webkit-transform: translateY(-50%);
       -moz-transform: translateY(-50%);
        -ms-transform: translateY(-50%);
            transform: translateY(-50%);
    width: 45px;
    height: 34px;
    background: url("../img/serminar/icon_check.webp") no-repeat center center;
    -moz-background-size: contain;
         background-size: contain;
  }
  .b_aboutCourse_list li:last-child {
    margin-bottom: 0;
  }
  .b_aboutCourse .list_btn {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
  }
  .b_aboutCourse .list_btn li {
    -webkit-box-flex: 1;
       -moz-box-flex: 1;
        -ms-flex: 1 1 calc(25% - 15px);
            flex: 1 1 -webkit-calc(25% - 15px);
            flex: 1 1 calc(25% - 15px);
    min-width: 200px;
  }
  .b_aboutCourse .list_btn li a {
    display: block;
    background-color: #129d1f;
    color: #ffffff;
    font-size: 1.6rem;
    line-height: 1.5;
    font-weight: 600;
    padding: 15px 5px;
    -moz-border-radius: 100px;
         border-radius: 100px;
    text-align: center;
    text-decoration: none;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
  }
  .b_aboutCourse .list_btn li a:after {
    content: "";
    width: 0px;
    height: 0px;
    border-style: solid;
    border-width: 12px 18.5px 0 18.5px;
    border-color: #129d1f transparent transparent transparent;
    -webkit-transform: rotate(0deg);
       -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
            transform: rotate(0deg);
    position: absolute;
    bottom: -8px;
    left: 50%;
    -webkit-transform: translateX(-50%);
       -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    z-index: -1;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .b_aboutCourse .list_btn li a:hover {
    background-color: #0d7a16;
    opacity: 1;
  }
  .b_aboutCourse .list_btn li a:hover:after {
    border-color: #0d7a16 transparent transparent transparent;
  }
  .b_group {
    border-top: 5px solid #000000;
    border-bottom: 5px solid #000000;
  }
  .b_group_wrap {
    border-left: 5px solid #000000;
    border-right: 5px solid #000000;
    position: relative;
  }
  .b_group_wrap:before {
    content: "";
    width: 100%;
    height: 326px;
    background: -webkit-gradient(linear, left bottom, left top, from(white), to(#b9baba));
    background: -webkit-linear-gradient(bottom, white 0%, #b9baba 100%);
    background: -moz- oldlinear-gradient(bottom, white 0%, #b9baba 100%);
    background: linear-gradient(0deg, white 0%, #b9baba 100%);
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.4;
  }
  .b_group .wapper_inner {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
  }
  .b_group .ttl_st {
    text-align: center;
    width: 800px;
    margin: 0 auto 60px;
  }
  .b_about {
    padding: 100px 0;
  }
  .b_about_list {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
       -moz-box-orient: horizontal;
       -moz-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
    gap: 60px 40px;
    margin-right: -40px;
  }
  .b_about_list li {
    width: -webkit-calc(50% - 40px);
    width: -moz-calc(50% - 40px);
    width: calc(50% - 40px);
  }
  .b_course {
    background-color: #CBE9CE;
    padding: 100px 0;
  }
  .b_course_item {
    padding: 30px;
    background-color: #fff;
    -moz-box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
         box-shadow: 5px 5px 5px rgba(0, 0, 0, 0.3);
    position: relative;
  }
  .b_course_item:not(:last-child) {
    margin-bottom: 60px;
  }
  .b_course_item.b_course_item01 .txt p img {
    width: 380px;
  }
  .b_course_item.b_course_item02 .ttl_it .ttl img {
    height: 70px;
  }
  .b_course_item.b_course_item02 .txt p img {
    width: 365px;
  }
  .b_course_item.b_course_item03 .ttl_it .ttl img {
    height: 68px;
  }
  .b_course_item.b_course_item03 .txt p img {
    width: 455px;
  }
  .b_course_item.b_course_item04 .txt p img {
    width: 370px;
  }
  .b_course_item.b_course_item05 .ttl_it .ttl img {
    height: 91px;
  }
  .b_course_item.b_course_item05 .txt p img {
    width: 375px;
  }
  .b_course_item .ttl_it {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
  }
  .b_course_item .ttl_it .nb {
    width: 71px;
  }
  .b_course_item .ttl_it .ttl img {
    height: 72px;
    width: auto;
  }
  .b_course_item .txt {
    padding-left: 150px;
  }
  .b_course_item .price {
    position: absolute;
    bottom: 20px;
    right: 30px;
  }
  .b_course_item .price img {
    width: auto;
    height: 55px;
  }
  .b_course_item .circle {
    width: 180px;
    position: absolute;
    top: 20px;
    right: 10px;
  }
  .b_course_item .btn_wrap {
    position: absolute;
    top: 122px;
  }
  .b_course_item .btn_wrap a img {
    height: 22px;
  }
  .b_feature {
    padding: 130px 0 80px;
    position: relative;
  }
  .b_feature:before {
    content: "";
    width: 500px;
    height: 297px;
    background: url("../img/serminar/deco_feature01.webp") no-repeat center center;
    -moz-background-size: contain;
         background-size: contain;
    position: absolute;
    top: 70px;
    right: 30px;
  }
  .b_feature_ttl {
    margin-bottom: 80px;
  }
  .b_feature_ttl img {
    width: 695px;
  }
  .b_feature_wrap {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
       -moz-box-orient: horizontal;
       -moz-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
    gap: 40px 100px;
    margin-right: -100px;
    position: relative;
  }
  .b_feature_wrap:after {
    content: "";
    width: 400px;
    height: 358px;
    background: url("../img/serminar/deco_feature02.webp") no-repeat center center;
    -moz-background-size: contain;
         background-size: contain;
    position: absolute;
    bottom: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
       -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    margin-left: -51px;
  }
  .b_feature_item {
    width: -webkit-calc(50% - 100px);
    width: -moz-calc(50% - 100px);
    width: calc(50% - 100px);
  }
  .b_feature_item img {
    height: 210px;
    width: auto;
  }
  .b_feature .ttl_bottom {
    margin-top: 80px;
    text-align: center;
  }
  .b_feature .ttl_bottom img {
    width: 800px;
  }
}

@media screen and (max-width: 768px) {
  .kv img {
    width: 100%;
    height: auto;
  }
  .b_aboutCourse {
    background-color: #ffffff;
    padding: 6.51042vw 0;
  }
  .b_aboutCourse .row {
    text-align: center;
  }
  .b_aboutCourse_ttl {
    font-size: 4.6875vw;
    line-height: 1.6;
    font-weight: 700;
    color: #000000;
    margin-bottom: 6.51042vw;
    text-align: center;
  }
  .b_aboutCourse_wrap {
    background-color: #f4f3f3;
    padding: 6.51042vw;
    margin-bottom: 6.51042vw;
    margin-left: auto;
    margin-right: auto;
  }
  .b_aboutCourse_wrap h3 {
    font-size: 4.42708vw;
    line-height: 1.5;
    text-align: center;
    font-weight: 700;
    color: #129d1f;
    margin-bottom: 3.25521vw;
  }
  .b_aboutCourse_list {
    text-align: left;
    list-style: none;
    margin: 0;
  }
  .b_aboutCourse_list li {
    font-size: 3.64583vw;
    line-height: 1.8;
    color: #000000;
    font-weight: 500;
    padding-left: 7.8125vw;
    position: relative;
    margin-bottom: 2.60417vw;
  }
  .b_aboutCourse_list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65104vw;
    width: 7.16146vw;
    height: 5.72917vw;
    background: url("../img/serminar/icon_check.webp") no-repeat center center;
    -moz-background-size: contain;
         background-size: contain;
  }
  .b_aboutCourse_list li:last-child {
    margin-bottom: 0;
  }
  .b_aboutCourse .list_btn {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 3.25521vw 1.95313vw;
    list-style: none;
    padding: 0;
    margin: 0;
    margin-left: auto;
    margin-right: auto;
  }
  .b_aboutCourse .list_btn li {
    -webkit-box-flex: 1;
       -moz-box-flex: 1;
        -ms-flex: 1 1 calc(50% - 1.95313vw);
            flex: 1 1 -webkit-calc(50% - 1.95313vw);
            flex: 1 1 calc(50% - 1.95313vw);
    min-width: 32.55208vw;
  }
  .b_aboutCourse .list_btn li a {
    display: block;
    background-color: #129d1f;
    color: #ffffff;
    font-size: 3.125vw;
    line-height: 1.5;
    font-weight: 600;
    padding: 2.60417vw 0.65104vw;
    -moz-border-radius: 100px;
         border-radius: 100px;
    text-align: center;
    text-decoration: none;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
  }
  .b_aboutCourse .list_btn li a:after {
    content: "";
    width: 0px;
    height: 0px;
    border-style: solid;
    border-width: 1.82292vw 2.47396vw 0 2.47396vw;
    border-color: #129d1f transparent transparent transparent;
    -webkit-transform: rotate(0deg);
       -moz-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
            transform: rotate(0deg);
    position: absolute;
    bottom: -1.04167vw;
    left: 50%;
    -webkit-transform: translateX(-50%);
       -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
            transform: translateX(-50%);
    z-index: -1;
    -webkit-transition: all 0.3s ease;
    -moz-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .b_aboutCourse .list_btn li a:hover {
    background-color: #0d7a16;
    opacity: 1;
  }
  .b_aboutCourse .list_btn li a:hover:after {
    border-color: #0d7a16 transparent transparent transparent;
  }
  .b_group {
    border-top: 0.65104vw solid #000000;
    border-bottom: 0.65104vw solid #000000;
  }
  .b_group_wrap {
    border-left: 0.65104vw solid #000000;
    border-right: 0.65104vw solid #000000;
    position: relative;
  }
  .b_group_wrap:before {
    content: "";
    width: 100%;
    height: 42.44792vw;
    background: -webkit-gradient(linear, left bottom, left top, from(white), to(#b9baba));
    background: -webkit-linear-gradient(bottom, white 0%, #b9baba 100%);
    background: -moz- oldlinear-gradient(bottom, white 0%, #b9baba 100%);
    background: linear-gradient(0deg, white 0%, #b9baba 100%);
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: 0.4;
  }
  .b_group .wapper_inner {
    max-width: 84.63542vw;
    margin: 0 auto;
    width: 100%;
  }
  .b_group .ttl_st {
    text-align: center;
    width: 84.63542vw;
    margin: 0 auto 6.51042vw;
  }
  .b_about {
    padding: 7.8125vw 0;
  }
  .b_about_list {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
       -moz-box-orient: horizontal;
       -moz-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
    -ms-flex-direction: column;
        flex-direction: column;
    gap: 5.20833vw;
  }
  .b_about_list li img {
    max-width: 100%;
  }
  .b_course {
    background-color: #CBE9CE;
    padding: 6.51042vw 0;
  }
  .b_course_item {
    padding: 3.90625vw;
    background-color: #fff;
    -moz-box-shadow: 0.65104vw 0.65104vw 0.65104vw rgba(0, 0, 0, 0.3);
         box-shadow: 0.65104vw 0.65104vw 0.65104vw rgba(0, 0, 0, 0.3);
    position: relative;
  }
  .b_course_item:not(:last-child) {
    margin-bottom: 6.51042vw;
  }
  .b_course_item.b_course_item01 .txt p img {
    width: 49.47917vw;
  }
  .b_course_item.b_course_item02 .txt p img {
    width: 47.52604vw;
  }
  .b_course_item.b_course_item03 .txt p img {
    width: 52.08333vw;
  }
  .b_course_item.b_course_item04 .txt p img {
    width: 48.17708vw;
  }
  .b_course_item.b_course_item05 .txt p img {
    width: 48.82813vw;
  }
  .b_course_item .ttl_it {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
       -moz-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    gap: 1.95313vw;
    margin-bottom: 2.60417vw;
  }
  .b_course_item .ttl_it .nb {
    width: 7.16146vw;
  }
  .b_course_item .ttl_it .ttl {
    width: -webkit-calc(100% - 7.16146vw);
    width: -moz-calc(100% - 7.16146vw);
    width: calc(100% - 7.16146vw);
  }
  .b_course_item .ttl_it .ttl img {
    width: auto;
  }
  .b_course_item .price {
    margin: 2.60417vw 0;
  }
  .b_course_item .price img {
    width: auto;
    height: 8.46354vw;
  }
  .b_course_item .circle {
    width: 23.4375vw;
    position: absolute;
    top: 15.625vw;
    right: 2.60417vw;
  }
  .b_course_item .btn_wrap a img {
    height: 4.16667vw;
  }
  .b_feature {
    padding: 6.51042vw 0;
    position: relative;
    z-index: 1;
  }
  .b_feature:before {
    content: "";
    width: 39.0625vw;
    height: 23.17708vw;
    background: url("../img/serminar/deco_feature01.webp") no-repeat center center;
    -moz-background-size: contain;
         background-size: contain;
    position: absolute;
    top: 2.60417vw;
    right: 1.30208vw;
    z-index: -1;
  }
  .b_feature_ttl {
    margin-bottom: 7.8125vw;
  }
  .b_feature_ttl img {
    width: 54.03646vw;
  }
  .b_feature_wrap {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
       -moz-box-orient: horizontal;
       -moz-box-direction: normal;
        -ms-flex-flow: row wrap;
            flex-flow: row wrap;
    -ms-flex-direction: column;
        flex-direction: column;
    position: relative;
    gap: 3.25521vw;
  }
  .b_feature_item img {
    width: 100%;
  }
  .b_feature .deco_ft {
    margin: 3.25521vw 0 0;
    text-align: center;
  }
  .b_feature .deco_ft img {
    width: 52.08333vw;
  }
  .b_feature .ttl_bottom {
    margin-top: 6.51042vw;
    text-align: center;
  }
}