body {
    background-color: var(--sub-color-b);
}
main {
    position: relative;
    width: 100%;
}
.video_wrap {
    position: absolute;
    top: 500px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    overflow: hidden;
    background-color: var(--main-color-a);
    z-index: -100;
    display: flex;
    justify-content: center;
}
video {
    width: 1920px;
    height: auto;
    display: block;
}
.topcover {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 900px;
    background-image: url(image/header_cover.svg);
    background-repeat: no-repeat;
    background-position: top -180px center;
    background-size: 5760px;
    z-index: -50;
}
@media (max-width: 1366px) {
    .video_wrap {
        top: 450px;
    }
    .video {
        width: 1500px;
    }
    .topcover {
        background-position: top -230px center;
    }
}
@media (max-width: 1080px) {
    .video_wrap {
        top: 670px;
    }
    video {
        width: 1200px;
    }
    .topcover {
        background-position: top -195px center;
    }
}
@media (max-width: 900px) {
    .video_wrap {
        top: 695px;
    }
    .topcover {
        background-position: top -175px center;
    }
}
@media (max-width: 800px) {
    .video_wrap {
        top: 670px;
    }
    .topcover {
        background-position: top -200px center;
    }
}
@media (max-width: 700px) {
    .video_wrap {
        top: 650px;
    }
    .topcover {
        background-position: top -220px center;
    }
}



/* メインナビゲーション */
.main_nav_wrap {
    position: relative;
    width: 100%;
    padding-top: 90px;
}
.maincopy {
    text-align: center;
    font-size: 28px;
    line-height: 1;
    font-weight: 800;
    color: var(--text-color-a);
    margin-bottom: 15px;
}
.maincopy .br_a, .maincopy .br_b {
    display: none;
}
.maincopy span {
    color: var(--sub-color-a);
}
.main_nav {
    position: relative;
    width: 1160px;
    height: 520px;
    margin: 0 auto 30px;
}
.main_nav .heading_wrap {
    position: absolute;
    top: 0;
    left: 550px;
    width: 60px;
    height: 520px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.main_nav .heading_wrap .heading {
    font-size: 22px;
    line-height: 1;
    font-weight: 800;
    color: var(--text-color-a);
    writing-mode: vertical-rl;
}
.main_nav .heading_wrap .dotted_line {
    border-left: 5px dotted var(--main-color-a);
    height: 128px;
}
.main_nav ul {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 60px;
}
.main_nav ul li {
    width: 550px;
    height: 250px;
    background-color: rgba(255,255,255,0.6);
    border-radius: 30px;
    transition: all 0.3s ease-in-out;
    cursor: pointer;
    
}
.main_nav ul li a {
    display: block; /* ブロック要素化 */
    width: 100%;
    height: 100%;
    color: inherit; /* 親要素の文字色を継承 */
    position: relative;
    display: flex;
}
.main_nav ul li:hover {
    background-color: rgba(80,140,210,0.6);
}
.main_nav ul li a:hover {
    background-color: transparent; 
}
.item_name_wrap {
    width: 50%;
    height: 100%;
    box-sizing: border-box;
    padding-top: 20px;
    padding-left: 35px;
}
.item_name_wrap img {
    height: 160px;
}
.item_ill_wrap {
    width: 50%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.item_ill_wrap .ill_siru {
    height: 180px;
}
.item_ill_wrap .ill_amu {
    height: 180px;
}
.item_ill_wrap .ill_suru {
    height: 180px;
    margin-right: 7px;
}
.item_ill_wrap .ill_tsuzuru {
    height: 180px;
}
.main_nav ul li h4 {
    position: absolute;
    left: 40px;
    bottom: 18px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color-a);
}
.main_nav .pmark_b {
    position: absolute;
    bottom: 0;
    right: -110px;
    width: 90px;
    height: auto;
}
@media (max-width: 1500px) {
    .maincopy {
        font-size: 25px;
    }
    .main_nav {
        width: 1060px;
    }
    .main_nav .heading_wrap {
        left: 500px;
    }
    .main_nav ul li {
        width: 500px;
    }
    .item_name_wrap {
        padding-left: 30px;
    }
    .main_nav ul li h4 {
        left: 35px;
    }
}
@media (max-width: 1366px) {
    .maincopy {
        font-size: 22px;
    }
    .main_nav {
        width: 840px;
        height: 460px;
        gap: 20px 60px;
    }
    .main_nav .heading_wrap {
        left: 390px;
        height: 460px;
    }
    .main_nav .heading_wrap .dotted_line {
        height: 98px;
    }
    .main_nav .pmark_b {
        position: absolute;
        right: -94px;
        width: 80px;
        height: auto;
    }
    .main_nav ul li {
        width: 390px;
        height: 220px;
        border-radius: 30px;
    }
    .item_name_wrap {
        width: 55%;
        height: 170px;
        padding-top: 15px;
        padding-left: 20px;
    }
    .item_name_wrap img {
        height: 140px;
    }
    .item_ill_wrap {
        height: 170px;
    }
    .item_ill_wrap .ill_siru {
        height: 140px;
    }
    .item_ill_wrap .ill_amu {
        height: 146px;
    }
    .item_ill_wrap .ill_suru {
        height: 130px;
        margin-right: 5px;
    }
    .item_ill_wrap .ill_tsuzuru {
        height: 140px;
    }
    .main_nav ul li h4 {
        position: absolute;
        left: 30px;
        bottom: 15px;
        font-size: 22px;
    }
}
@media (max-width: 1080px) {
    .maincopy {
        text-align: left;
        margin-left: 3%;
        line-height: 1.3;
    }
    .maincopy .br_a {
        display: block;
    }
    .main_nav {
        width: 94%;
    }
    .main_nav .heading_wrap {
        left: 47%;
        width: 6%;
    }
    .main_nav ul {
        gap: 20px 6%;
    }
    .main_nav ul li {
        width: 47%;
    }
    .main_nav ul li:hover {
        background-color: rgba(255,255,255,0.6);
    }
    .item_name_wrap {
        width: 55%;
        display: flex;
        justify-content: flex-end;
        padding-top: 15px;
        padding-left: 0;
    }
    .item_name_wrap img {
        width: 90%;
        height: auto;
    }
    .item_ill_wrap {
        width: 45%;
    }
    .main_nav ul li h4 {
        font-size: 20px;
    }
    .main_nav .pmark_b {
        display: none;
    }
}
@media (max-width: 900px) {
    .main_nav {
        height: auto;
    }
    .main_nav .heading_wrap {
        position: absolute;
        top: 50%;
        left: 0;
        transform: translate(0,-25px);
        margin-bottom: 15px;
        width: 100%;
        height: 50px;
        display: flex;
        flex-direction: row;
        align-items: center;
    }
    .main_nav .heading_wrap .heading {
        font-size: 20px;
        margin: 0 10px 3px;
        writing-mode: horizontal-tb;
    }
    .main_nav .heading_wrap .dotted_line {
        border-left: 0;
        border-top: 5px dotted var(--main-color-a);
        flex: 1;
        height: auto;
    }
    .main_nav ul {
        gap: 50px 2%;
    }
    .main_nav ul li {
        width: 49%;
        height: auto;
    }
    .main_nav ul li a {
        padding-bottom: 46px;
    }
    .main_nav ul li h4 {
        position: absolute;
        left: 25px;
        bottom: 15px;
        font-size: 18px;
    }
    .item_name_wrap {
        height: auto;
        padding-top: 10px;
        padding-bottom: 10px;
    }
    .item_ill_wrap {
        height: auto;
    }
    .item_ill_wrap .ill_siru {
        width: 79%;
        height: auto;
    }
    .item_ill_wrap .ill_amu {
        width: 78%;
        height: auto;
    }
    .item_ill_wrap .ill_suru {
        width: 90%;
        height: auto;
        margin-right: 0;
    }
    .item_ill_wrap .ill_tsuzuru {
        width: 76%;
        height: auto;
    }
}
@media (max-width: 640px) {
    .maincopy {
        font-size: 18px;
    }
    .maincopy .br_b {
        display: block;
    }
    .item_name_wrap {
        width: 100%;
        justify-content: center;
        align-items: center;
        padding-top: 0;
        padding-bottom: 0;
    }
    .item_name_wrap img {
        height: 80%;
        max-height: 160px;
        width: auto;
    }
    .item_ill_wrap {
        display: none;
    }
    .main_nav ul li a {
        padding-bottom: 30px;
    }
    .main_nav ul li h4 {
        position: absolute;
        left: 50%;
        bottom: 15px;
        transform: translate(-50%,0);
        text-align: center;
        display: inline-block;
        white-space: nowrap;
        font-size: 12px;
    }
}

/* 紹介パート */
.intro_wrap {
    width: 100%;
}
.intro_top {
    width: 1600px;
    margin: 0 auto 5px;
}
.heading_box {
    display: flex;
    gap: 3px;
}
.heading_box .box {
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
    color: var(--text-color-d);
    background-color: var(--main-color-a);
    box-sizing: border-box;
}
.heading_box .em {
    background-color: var(--sub-color-a);
}
.heading_box .box_intro {
    width: 30px;
    height: 30px;
    font-size: 20px;
    margin-bottom: 10px;
    padding-left: 2px;
    padding-bottom: 3px;
}
.intro_message {
    width: 100%;
}
.intro_message p {
    position: relative;
    width: 1500px;
    margin: 0 auto 8px;
    font-size: 28px;
    line-height: 1.7;
    font-weight: 800;
    color: var(--text-color-a);
}
.intro_message p span {
    color: var(--text-color-b);
}
.intro_message p img {
    position: absolute;
    top: 70px;
    left: 800px;
    width: 140px;
}
.intro_about_wrap {
    position: relative;
    width: 100%;
    overflow: hidden;
}
.intro_about {
    position: relative;
    width: 1600px;
    margin: 0 auto;
}
.line_wrap {
    position: relative;
    width: 1440px;
    margin: 0 auto;
}
.line_wrap .dotted_line {
    position: relative;
    border-left: 5px dotted var(--main-color-a);
    z-index: 50;
}
.line_wrap .intro_line {
    height: 680px;
}
.heading_about {
    position: absolute;
    top: 230px;
    left: 10px;
    width: 750px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    font-size: 16px;
    line-height: 1;
}
.heading_about .dotted_line {
    flex-grow: 1;
    border-bottom: 5px dotted var(--main-color-a);
    margin-right: 10px;
    z-index: 10;
}
.heading_box .box_about {
    width: 40px;
    height: 40px;
    font-size: 27px;
    z-index: 10;
    padding-left: 2px;
    padding-bottom: 3px;
}
.line_wrap .about_line {
    height: 1440px;
}
.about_detail_bg {
    position: absolute;
    top: 150px;
    left: 500px;
    width: 1500px;
    height: 1200px;
    background-image: url(image/about_bg.svg);
    background-repeat: no-repeat;
    background-size: 1400px;
    background-position: top left;
}
.about_ph01a {
    position: absolute;
    top: 110px;
    left: 1220px;
    width: 330px;
}
.about_ph02a {
    position: absolute;
    top: 430px;
    left: 1080px;
    width: 240px;
}
.about_ph_wrap {
    display: none;
}
.about_detail {
    position: absolute;
    top: 340px;
    left: 600px;
    width: 1250px;
}
.about_detail p {
    margin-bottom: 20px;
}
.about_detail .heading {
    font-size: 60px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--main-color-a);
    margin-bottom: 30px;
}
.about_detail .heading span {
    color: var(--text-color-b);
}
.about_detail .discription {
    width: 1050px;
    font-size: 19px;
    line-height: 2.3;
    font-weight: 600;
    color: var(--text-color-c);
}
@media (max-width: 1700px) {
    .line_wrap {
        width: 1240px;
    }
    .intro_top, .intro_about {
        width: 1400px;
    }
    .intro_message p {
        width: 1300px;
    }
    .about_detail_bg {
        left: 300px;
    }
    .heading_about {
        width: 550px;
    }
    .about_ph01a {
        left: 1020px;
    }
    .about_ph02a {
        left: 880px;
    }
    .about_detail {
        left: 400px;
    }
}
@media (max-width: 1500px) {
    .line_wrap {
        width: 1040px;
    }
    .intro_top, .intro_about {
        width: 1200px;
    }
    .intro_message p {
        width: 1100px;
    }
    .heading_about {
        width: 450px;
    }
    .about_detail_bg {
        left: 200px;
    }
    .about_ph01a {
        left: 920px;
    }
    .about_ph02a {
        left: 780px;
    }
    .about_detail {
        width: 900px;
        left: 300px;
    }
}
@media (max-width: 1366px) {
    .line_wrap {
        width: 840px;
    }
    .line_wrap .intro_line {
        height: 650px;
    }
    .intro_top, .intro_about {
        width: 1000px;
    }
    .intro_message p {
        width: 900px;
        font-size: 25px;
        line-height: 1.6;
    }
    .intro_message p img {
        position: absolute;
        top: 70px;
        left: 700px;
        width: 125px;
    }
    .heading_about {
        width: 400px;
        top: 200px;
    }
    .about_detail_bg {
        top: 120px;
        left: 150px;
        height: 1160px;
        background-size: 1260px;
    }
    .about_ph01a {
        position: absolute;
        top: 110px;
        left: 820px;
        width: 260px;
    }
    .about_ph02a {
        position: absolute;
        top: 380px;
        left: 720px;
        width: 190px;
    }
    .about_detail {
        width: 760px;
        top: 300px;
        left: 250px;
    }
    .about_detail .heading {
        font-size: 52px;
    }
    .about_detail .discription {
        font-size: 17px;
        line-height: 2.3;
    }
    .line_wrap .about_line {
        height: 1300px;
    }
}
@media (max-width: 1080px) {
    .line_wrap {
        width: 90%;
    }
    .line_wrap .intro_line {
        height: 560px;
    }
    .intro_top, .intro_about {
        width: 94%;
        margin-left: 3%;
    }
    .intro_message p {
        width: 94%;
        font-size: 22px;
        line-height: 1.5;
    }
    .intro_message p img {
        position: absolute;
        top: 60px;
        left: 600px;
        width: 115px;
        z-index: 10;
    }
    .heading_about {
        width: 370px;
        top: 200px;
    }
    .about_detail_bg {
        top: 120px;
        left: 100px;
        height: 1160px;
        background-size: 1240px;
    }
    .about_ph01a {
        position: absolute;
        top: 110px;
        left: 620px;
        width: 240px;
    }
    .about_ph02a {
        position: absolute;
        top: 380px;
        left: 570px;
        width: 170px;
    }
    .about_detail {
        width: auto;
        left: 190px;
        right: 0;
    }
    .about_detail .heading {
        font-size: 48px;
    }
    .about_detail .discription {
        font-size: 16px;
        line-height: 2.3;
        width: 82%;
        text-align:justify;
    }
    .about_detail .discription .bbb {
        display: none;
    }
}
@media (max-width: 800px) {
    .heading_about {
        width: 300px;
        top: 140px;
    }
    .heading_box .box_about {
        width: 34px;
        height: 34px;
        font-size: 23px;
    }
    .intro_message p .ccc {
        display: none;
    }
    .intro_message p {
        text-align: justify;
    }
    .intro_message p img {
        position: absolute;
        top: auto;
        left: auto;
        right: 20px;
        bottom: -160px;
        width: 100px;
        z-index: 10;
    }
    .about_detail_bg {
        top: 60px;
        left: 50px;
        background-size: 1200px;
    }
    .about_ph01a {
        display: none;
    }
    .about_ph02a {
        display: none;
    }
    .about_ph_wrap {
        display: flex;
        justify-content: flex-end;
    }
    .about_ph02b {
        width: 160px;
        height: 160px;
        margin-top: 45px;
        margin-right: 26px;
    }
    .about_ph01b {
        width: 220px;
    }
    .about_detail {
        top: 200px;
        left: 120px;
        right: 0;
    }
    .about_detail .heading {
        font-size: 44px;
    }
    .about_detail .discription {
        width: 100%;
    }
    .line_wrap .about_line {
        height: 1240px;
    }
}
@media (max-width: 640px) {
    .heading_about {
        width: 260px;
        top: 170px;
    }
    .heading_box .box_intro {
        width: 24px;
        height: 24px;
        font-size: 16px;
        padding-left: 1px;
        padding-bottom: 2px;
    }
    .heading_box .box_about {
        width: 28px;
        height: 28px;
        font-size: 18px;
        padding-left: 1px;
        padding-bottom: 2px;
    }
    .intro_message p {
        font-size: 18px;
        line-height: 1.6;
    }
    .intro_message p img {
        right: 30px;
        bottom: -150px;
        width: 90px;
    }
    .about_detail_bg {
        top: 90px;
        left: -30px;
        height: 1160px;
        background-size: 1240px;
    }
    .about_ph_wrap {
        display: flex;
        flex-direction: column-reverse;
        align-items: flex-end;
    }
    .about_ph02b {
        margin-top: 5px;
        margin-right: 125px;
    }
    .about_ph01b {
        margin-top: 25px;
        margin-right: 15px;
    }
    .about_detail {
        top: 250px;
        left: 40px;
        right: 0;
    }
    .about_detail .heading {
        font-size: 30px;
        margin-bottom: 20px;
    }
    .about_detail .discription {
        font-size: 14px;
        line-height: 2.1;
    }
    .line_wrap .about_line {
        height: 1500px;
    }

}

.intro_wrap_bottom {
    padding-bottom: 100px;
}
.intro_feature {
    position: relative;
    width: 1500px;
    margin: 10px auto 100px;
}
.jumpline_full {
    position: absolute;
    top: 54px;
    left: 215px;
    width: 1200px;
}
.jumpline_1700, .jumpline_1500, .jumpline_1366 {
    display: none;
}
.ill_jump {
    position: absolute;
    top: 100px;
    left: 1416px;
    width: 140px;
}
@media (max-width: 1700px) {
    .intro_feature {
        margin-bottom: 80px;
    }
    .jumpline_full {
        display: none;
    }
    .jumpline_1700 {
        display: block;
        position: absolute;
        top: 54px;
        left: 215px;
        width: 1000px;
    }
    .ill_jump {
        position: absolute;
        top: 65px;
        left: 1216px;
    }
}
@media (max-width: 1500px) {
    .intro_feature {
        margin-bottom: 60px;
    }
    .jumpline_1700 {
        display: none;
    }
    .jumpline_1500 {
        display: block;
        position: absolute;
        top: 54px;
        left: 215px;
        width: 800px;
    }
    .ill_jump {
        position: absolute;
        top: 35px;
        left: 1016px;
    }
}
@media (max-width: 1366px) {
    .intro_feature {
        margin-bottom: 50px;
    }
    .jumpline_1500 {
        display: none;
    }
    .jumpline_1366 {
        display: block;
        position: absolute;
        top: 54px;
        left: 190px;
        width: 670px;
    }
    .ill_jump {
        position: absolute;
        top: 30px;
        left: 852px;
        width: 116px;
    }
}
@media (max-width: 1080px) {
    .jumpline_1366 {
        display: none;
    }
    .ill_jump {
        position: absolute;
        top: -70px;
        left: 300px;
        width: 100px;
        z-index: 10;
    }
}
@media (max-width: 640px) {
    .ill_jump {
        position: absolute;
        top: -60px;
        left: 230px;
        width: 90px;
    }
}

.heading_box_feature {
    margin-bottom: 3px;
}
.heading_box .box_feature {
    width: 50px;
    height: 50px;
    font-size: 35px;
    padding-left: 2px;
    padding-bottom: 6px;
}
.heading_box .tb {
    display: none;
}
.feature_detail {
    width: 1560px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.detail_wrap {
    position: relative;
    width: 500px;
    height: 1200px;
    background-color: #fff;
}
.detail_wrap::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 250px;
    background: linear-gradient(to top, rgb(255,255,255), rgb(220,220,220));
}
.detail_wrap::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 250px;
    background: linear-gradient(to bottom, rgb(255,255,255), rgb(220,220,220));
}
.detail_wrap:nth-child(2) {
    margin-top: 100px;
}
.detail_wrap:nth-child(3) {
    margin-top: 200px;
}
.detail_wrap .number {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translate(-50%,0);
    font-family: "Plus Jakarta Sans", serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
    font-size: 120px;
    color: var(--text-color-f);
    z-index: 20;
}
.detail_wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 10;
}
.detail_wrapper::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(image/feature_deco_top.svg);
    background-repeat: no-repeat;
    background-position: center top;
    background-size: 100%;
}
.detail_wrapper::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(image/feature_deco_bottom.svg);
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: 100%;
}
.detail {
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    flex-direction: column;
    z-index: 10;
}
.detail .text {
    margin-bottom: 50px;
}
.detail .text .heading {
    position: relative;
    font-size: 52px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text-color-a);
    width: 80%;
    margin: 150px auto 30px;
}
.detail .text .discription {
    position: relative;
    font-size: 20px;
    line-height: 2;
    font-weight: 600;
    color: var(--text-color-c);
    text-align: justify;
    width: 80%;
    margin: 0 auto;
}
.detail .text .discription span {
    color: var(--text-color-b);
}
.detail .ill {
    width: 100%;
    text-align: center;
    z-index: 10;
}
.ill_handshake {
    width: 240px;
}
.ill_booklet {
    width: 260px;
}
.ill_desk {
    width: 230px;
}

@media (max-width: 1700px) {
    .intro_feature {
        width: 1300px;
    }
    .feature_detail {
        width: 1360px;
    }
    .detail_wrap {
        width: 434px;
    }
    .detail_wrap::before {
        height: 217px;
    }
    .detail_wrap::after {
        height: 217px;
    }
}
@media (max-width: 1500px) {
    .intro_feature {
        width: 1100px;
    }
    .feature_detail {
        width: 1160px;
    }
    .detail_wrap {
        width: 370px;
    }
    .detail_wrap::before {
        height: 185px;
    }
    .detail_wrap::after {
        height: 185px;
    }   
    .detail_wrap .number {
        font-size: 110px;
    }
    .detail .text {
        margin-bottom: 35px;
    }
    .ill_handshake {
        width: 216px;
    }
    .ill_booklet {
        width: 224px;
    }
    .ill_desk {
        width: 207px;
    }
}
@media (max-width: 1366px) {
    .intro_feature {
        width: 900px;
    }
    .heading_box .box_feature {
        width: 44px;
        height: 44px;
        font-size: 30px;
        padding-left: 1px;
        padding-bottom: 5px;
    }
    .feature_detail {
        width: 960px;
    }
    .detail_wrap {
        width: 306px;
        height: 980px;
    }
    .detail_wrap::before {
        height: 153px;
    }
    .detail_wrap::after {
        height: 153px;
    }      
    .detail_wrap:nth-child(2) {
        margin-top: 80px;
    }
    .detail_wrap:nth-child(3) {
        margin-top: 160px;
    }
    .detail_wrap .number {
        font-size: 100px;
    }
    .detail .text .heading {
        width: 86%;
        margin-top: 140px;
        margin-bottom: 25px;
        font-size: 44px;
    }
    .detail .text .discription {
        font-size: 17px;
        line-height: 1.9;
        width: 86%;
    }
    .detail .text {
        margin-bottom: 25px;
    }
    .ill_handshake {
        width: 185px;
    }
    .ill_booklet {
        width: 192px;
    }
    .ill_desk {
        width: 177px;
    }
}
@media (max-width: 1080px) {
    .intro_feature {
        width: 94%;
    }
    .heading_box .default {
        display: none;
    }
    .heading_box .tb {
        display: flex;
    }
    .heading_box .box_feature {
        width: 38px;
        height: 38px;
        font-size: 26px;
        padding-left: 1px;
        padding-bottom: 5px;
    }
    .feature_detail {
        width: 90%;
        flex-direction: column;
    }
    .detail_wrap {
        width: 100%;
        height: auto;
        margin-bottom: 15px;
    }
    .detail_wrap::before {
        top: 0;
        left: 0;
        width: 150px;
        height: 100%;
        background: linear-gradient(to left, rgb(255,255,255), rgb(220,220,220));
    }
    .detail_wrap::after {
        bottom: auto;
        left: auto;
        top: 0;
        right: 0;
        width: 150px;
        height: 100%;
        background: linear-gradient(to right, rgb(255,255,255), rgb(220,220,220));
    }
    .detail_wrap:last-child {
        margin-bottom: 0;
    }
    .detail_wrap:nth-child(2) {
        margin-top: 0;
    }
    .detail_wrap:nth-child(3) {
        margin-top: 0;
    }
    .detail_wrap .number {
        position: absolute;
        top: 50%;
        left: -10px;
        transform: translate(0,-50%);
        font-size: 80px;
    }
    .detail_wrapper {
        padding: 35px 0;
        overflow: hidden;
    }
    .detail_wrapper::before {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 360px;
        background-image: url(image/feature_deco_left.svg);
        background-position: left top;
        background-size: auto 100%;
    }
    .detail_wrapper::after {
        position: absolute;
        bottom: auto;
        left: auto;
        top: 0;
        right: 0;
        width: 100%;
        height: 360px;
        background-image: url(image/feature_deco_right.svg);
        background-position: right top;
        background-size: auto 100%;
    }
    .detail {
        width: 74%;
        margin: 0 10% 0 auto;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
    .detail .text {
        width: 67%;
        margin-bottom: 0;
    }
    .detail .ill {
        width: 30%;
        height: 100%;
    }
    .detail .text .heading {
        font-size: 36px;
        line-height: 1;
        margin: 0 0 15px;
        z-index: 10;
        width: 100%;
    }
    .detail .text .heading .eee {
        display: none;
    }
    .detail .text .discription {
        font-size: 16px;
        line-height: 1.7;
        margin: 0;
        width: 100%;
    }
    .ill_handshake {
        width: 80%;
        max-width: 150px;
    }
    .ill_booklet {
        width: 86%;
        max-width: 160px;
    }
    .ill_desk {
        width: 84%;
        max-width: 154px;
    }
}
@media (max-width: 800px) {
    .detail_wrap .number {
        font-size: 64px;
    }
    .detail .text {
        width: 60%;
    }
    .detail .ill {
        width: 37%;
    }
    .detail .text .heading {
        font-size: 26px;
    }
    .feature_detail .detail .discription {
        font-size: 14px;
        line-height: 1.6;
    }
    .ill_handshake {
        max-width: 130px;
    }
    .ill_booklet {
        max-width: 140px;
    }
    .ill_desk {
        max-width: 134px;
    }
}
@media (max-width: 640px) {
    .intro_feature {
        margin-bottom: 70px;
    }
    .heading_box .box_feature {
        width: 30px;
        height: 30px;
        font-size: 21px;
        padding-left: 1px;
        padding-bottom: 3px;
    }
    .feature_detail {
        width: 94%;
    }
    .detail_wrap {
        margin-bottom: 40px;
    }
    .detail_wrap::before {
        width: 100%;
        height: 150px;
        background: linear-gradient(to top, rgb(255,255,255), rgb(220,220,220));
    }
    .detail_wrap::after {
        position: absolute;
        top: auto;
        right: auto;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 150px;
        background: linear-gradient(to bottom, rgb(255,255,255), rgb(220,220,220));
    }
    .detail_wrap .number {
        position: absolute;
        top: -40px;
        left: 50%;
        transform: translate(-50%,0);
        font-size: 80px;
    }
    .detail_wrapper {
        padding: 0;
    }
    .detail_wrapper::before {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url(image/feature_deco_top.svg);
        background-repeat: no-repeat;
        background-position: center top;
        background-size: 100%;
    }
    .detail_wrapper::after {
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url(image/feature_deco_bottom.svg);
        background-repeat: no-repeat;
        background-position: center bottom;
        background-size: 100%;
    }
    .detail {
        width: 100%;
        margin: 0;
        flex-direction: column;
        justify-content: flex-start;
        align-items: stretch;
        padding: 0 0 110px;
    }
    .detail .text {
        width: 100%;
        margin-bottom: 25px;
    }
    .detail .ill {
        width: 100%;
    }
    .detail .text .heading {
        font-size: 34px;
        line-height: 1;
        margin: 90px auto 20px;
        z-index: 10;
        width: 88%;
    }
    .detail .text .discription {
        font-size: 16px;
        line-height: 1.7;
        width: 88%;
        margin: 0 auto;
    }
    .ill_handshake {
        width: 80%;
        max-width: 150px;
    }
    .ill_booklet {
        width: 86%;
        max-width: 160px;
    }
    .ill_desk {
        width: 84%;
        max-width: 154px;
    }
}
@media (max-width: 480px) {
    .detail .text .heading {
        font-size: 30px;
        line-height: 1.3;
    }
}

.contact_wrap {
    position: relative;
    width: 100%;
    background-color: var(--main-color-b);
    padding-bottom: 100px;
    padding-top: 15%;
}
.contact_wrap::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url(image/contact_top_full.svg);
    background-repeat: no-repeat;
    background-position: top;
    background-size: 100%;
}
.contact_wrap::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background: linear-gradient(to top, rgba(46, 110, 175, 1), rgba(46, 110, 175, 0));
}
.contact_top {
    width: 100%;
}
.contact_detail {
    width: 1100px;
    margin: 60px auto;
}
.contact_wrap .lead {
    position: relative;
    width: 100%;
    margin-bottom: 40px;
    color: var(--text-color-d);
    font-size: 25px;
    line-height: 1.5;
    font-weight: 700;
    letter-spacing: 1px;
    text-align: justify;
}
.contact_wrap .lead span {
    color: var(--text-color-e);
}
.tel_wrap {
    position: relative;
    width: 100%;
    margin-bottom: 60px;
    border-radius: 15px;
    background-color: var(--sub-color-d);
    display: flex;
    align-items: flex-end;
    padding: 20px 0;
    color: var(--text-color-a);
}
.tel_wrap .tel {
    font-size: 22px;
    line-height: 1;
    font-weight: 700;
    font-family: "Plus Jakarta Sans", serif;
    font-optical-sizing: auto;
    font-weight: 700;
    font-style: normal;
    margin-left: 30px;
    margin-right: 15px;
}
.tel_wrap .tel span {
    font-size: 70px;
}
.tel_wrap .time {
    font-size: 22px;
    line-height: 1.5;
    font-family: "Noto Sans JP", sans-serif;
    font-style: normal;
    font-weight: 700;
}
.tel_wrap img {
    position: absolute;
    top: -18px;
    right: 20px;
    width: 140px;
}
.comment {
    width: 100%;
    margin-bottom: 20px;
    border: 2px solid var(--sub-color-d);
    text-align: center;
    padding: 5px 0 7px 0;
}
.comment p {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color-d);
}
.comment p .fff {
    display: none;
}
.form_area {
    position: relative;
    width: 100%;
    height: 1100px;
    background-color: #DCE9F4;
    border-radius: 15px;
    z-index: 10;
    padding-top: 70px;
    text-align: center;
}
.form_area p {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-color-a);
    margin-bottom: 30px;
}
@media (max-width: 1500px) {
    .contact_detail {
        width: 1000px;
    }
}
@media (max-width: 1366px) {
    .contact_wrap::before {
        background-image: url(image/contact_top_1366.svg);
    }
    .contact_detail {
        width: 800px;
    }
    .contact_wrap .lead {
        font-size: 20px;
        line-height: 1.5;
    }
    .tel_wrap {
        flex-direction: column;
        align-items: flex-start;
    }
    .tel_wrap .tel {
        margin-bottom: 6px;
        margin-right: 0;
    }
    .tel_wrap .tel span {
        font-size: 64px;
    }
    .tel_wrap .time {
        font-size: 20px;
        margin-left: 30px;
    }
    .tel_wrap img {
        position: absolute;
        top: 10px;
        right: 30px;
        width: 130px;
    }
    .comment p {
        font-size: 17px;
    }
}
@media (max-width: 1080px) {
    .contact_wrap::before {
        background-image: url(image/contact_top_1080.svg);
    }
    .contact_detail {
        width: 80%;
    }
    .form_area p {
        font-size: 24px;
    }
}
@media (max-width: 900px) {
    .contact_wrap::before {
        background-image: url(image/contact_top_900.svg);
    }
    .contact_wrap .lead {
        font-size: 18px;
        line-height: 1.4;
    }
    .tel_wrap .tel {
        font-size: 20px;
        margin-left: 20px;
    }
    .tel_wrap .tel span {
        font-size: 58px;
    }
    .tel_wrap .time {
        font-size: 20px;
        margin-left: 20px;
    }
    .tel_wrap img {
        position: absolute;
        top: 15px;
        right: 15px;
        width: 116px;
    }
    .comment p {
        font-size: 16px;
    }
}
@media (max-width: 800px) {
    .contact_wrap::before {
        background-image: url(image/contact_top_800.svg);
    }
    .contact_detail {
        width: 90%;
    }
}
@media (max-width: 700px) {
    .tel_wrap img {
        position: absolute;
        top: 66px;
        right: -10px;
        width: 110px;
    }
}
@media (max-width: 640px) {
    .contact_wrap::before {
        background-image: url(image/contact_top_640.svg);
    }
    .contact_wrap .lead {
        font-size: 16px;
        line-height: 1.4;
    }
    .tel_wrap .tel {
        font-size: 15px;
        margin-left: 15px;
    }
    .tel_wrap .time {
        font-size: 15px;
        margin-left: 15px;
    }
    .tel_wrap .tel span {
        font-size: 35px;
    }
    .tel_wrap img {
        position: absolute;
        top: 56px;
        right: -5px;
        width: 100px;
    }
    .comment p {
        font-size: 12px;
    }
    .comment p .fff {
        display: block;
    }
    .form_area p {
        font-size: 22px;
    }
}

