@charset "UTF-8";
@-webkit-keyframes steam01 {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  50% {
    opacity: 1;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -webkit-transform: scale(2.4);
            transform: scale(2.4);
  }
}
@-moz-keyframes steam01 {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -moz-transform: scale(1);
         transform: scale(1);
  }
  50% {
    opacity: 1;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -moz-transform: scale(2.4);
         transform: scale(2.4);
  }
}
@keyframes steam01 {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -webkit-transform: scale(1);
       -moz-transform: scale(1);
            transform: scale(1);
  }
  50% {
    opacity: 1;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -webkit-transform: scale(2.4);
       -moz-transform: scale(2.4);
            transform: scale(2.4);
  }
}

@-webkit-keyframes steam01_sp {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -webkit-transform: scale(2.2);
            transform: scale(2.2);
  }
}

@-moz-keyframes steam01_sp {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -moz-transform: scale(1);
         transform: scale(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -moz-transform: scale(2.2);
         transform: scale(2.2);
  }
}

@keyframes steam01_sp {
  0% {
    bottom: 0%;
    opacity: 0.1;
    -webkit-transform: scale(1);
       -moz-transform: scale(1);
            transform: scale(1);
  }
  50% {
    opacity: 0.8;
  }
  100% {
    bottom: 200%;
    opacity: 0.1;
    -webkit-transform: scale(2.2);
       -moz-transform: scale(2.2);
            transform: scale(2.2);
  }
}

@-webkit-keyframes steam02 {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  10% {
    left: 4px;
  }
  20% {
    left: -4px;
  }
  30% {
    left: 4px;
  }
  40% {
    left: -4px;
  }
  50% {
    left: 4px;
  }
  60% {
    left: -4px;
    opacity: 0.9;
  }
  70% {
    left: 4px;
  }
  80% {
    left: -4px;
  }
  90% {
    left: 4px;
  }
  100% {
    left: -4px;
    bottom: 120%;
    -webkit-transform: scale(1.8);
            transform: scale(1.8);
  }
}

@-moz-keyframes steam02 {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -moz-transform: scale(1);
         transform: scale(1);
  }
  10% {
    left: 4px;
  }
  20% {
    left: -4px;
  }
  30% {
    left: 4px;
  }
  40% {
    left: -4px;
  }
  50% {
    left: 4px;
  }
  60% {
    left: -4px;
    opacity: 0.9;
  }
  70% {
    left: 4px;
  }
  80% {
    left: -4px;
  }
  90% {
    left: 4px;
  }
  100% {
    left: -4px;
    bottom: 120%;
    -moz-transform: scale(1.8);
         transform: scale(1.8);
  }
}

@keyframes steam02 {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -webkit-transform: scale(1);
       -moz-transform: scale(1);
            transform: scale(1);
  }
  10% {
    left: 4px;
  }
  20% {
    left: -4px;
  }
  30% {
    left: 4px;
  }
  40% {
    left: -4px;
  }
  50% {
    left: 4px;
  }
  60% {
    left: -4px;
    opacity: 0.9;
  }
  70% {
    left: 4px;
  }
  80% {
    left: -4px;
  }
  90% {
    left: 4px;
  }
  100% {
    left: -4px;
    bottom: 120%;
    -webkit-transform: scale(1.8);
       -moz-transform: scale(1.8);
            transform: scale(1.8);
  }
}

@-webkit-keyframes steam02_sp {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  10% {
    left: 0.26667vw;
  }
  20% {
    left: -0.26667vw;
  }
  30% {
    left: 0.26667vw;
  }
  40% {
    left: -0.26667vw;
  }
  50% {
    left: 0.26667vw;
  }
  60% {
    left: -0.26667vw;
    opacity: 0.9;
  }
  70% {
    left: 0.26667vw;
  }
  80% {
    left: -0.26667vw;
  }
  90% {
    left: 0.26667vw;
  }
  100% {
    left: -0.26667vw;
    bottom: 120%;
    opacity: 0.1;
    -webkit-transform: scale(1.8);
            transform: scale(1.8);
  }
}

@-moz-keyframes steam02_sp {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -moz-transform: scale(1);
         transform: scale(1);
  }
  10% {
    left: 0.26667vw;
  }
  20% {
    left: -0.26667vw;
  }
  30% {
    left: 0.26667vw;
  }
  40% {
    left: -0.26667vw;
  }
  50% {
    left: 0.26667vw;
  }
  60% {
    left: -0.26667vw;
    opacity: 0.9;
  }
  70% {
    left: 0.26667vw;
  }
  80% {
    left: -0.26667vw;
  }
  90% {
    left: 0.26667vw;
  }
  100% {
    left: -0.26667vw;
    bottom: 120%;
    opacity: 0.1;
    -moz-transform: scale(1.8);
         transform: scale(1.8);
  }
}

@keyframes steam02_sp {
  0% {
    left: 0%;
    bottom: 0%;
    opacity: 0;
    -webkit-transform: scale(1);
       -moz-transform: scale(1);
            transform: scale(1);
  }
  10% {
    left: 0.26667vw;
  }
  20% {
    left: -0.26667vw;
  }
  30% {
    left: 0.26667vw;
  }
  40% {
    left: -0.26667vw;
  }
  50% {
    left: 0.26667vw;
  }
  60% {
    left: -0.26667vw;
    opacity: 0.9;
  }
  70% {
    left: 0.26667vw;
  }
  80% {
    left: -0.26667vw;
  }
  90% {
    left: 0.26667vw;
  }
  100% {
    left: -0.26667vw;
    bottom: 120%;
    opacity: 0.1;
    -webkit-transform: scale(1.8);
       -moz-transform: scale(1.8);
            transform: scale(1.8);
  }
}

@media screen and (min-width: 751px), print {
  #wrapper {
    min-width: inherit;
  }
  nav.submenu.open {
    left: -webkit-calc(50% - 500px) !important;
    left: -moz-calc(50% - 500px) !important;
    left: calc(50% - 500px) !important;
  }
  #wrapper2 {
    width: 100%;
    max-width: 100%;
  }
  .fadein {
    opacity: 0;
    -webkit-transform: translateY(30px);
       -moz-transform: translateY(30px);
        -ms-transform: translateY(30px);
            transform: translateY(30px);
    -webkit-transition: opacity 1.5s,-webkit-transform 1.5s;
    transition: opacity 1.5s,-webkit-transform 1.5s;
    -moz-transition: opacity 1.5s,transform 1.5s,-moz-transform 1.5s;
    transition: opacity 1.5s,transform 1.5s;
    transition: opacity 1.5s,transform 1.5s,-webkit-transform 1.5s,-moz-transform 1.5s;
  }
  .fadein.show {
    opacity: 1;
    -webkit-transform: translateY(0);
       -moz-transform: translateY(0);
        -ms-transform: translateY(0);
            transform: translateY(0);
  }
  .fadein-delay--1 {
    -webkit-transition-delay: 0.2s;
       -moz-transition-delay: 0.2s;
            transition-delay: 0.2s;
  }
  .fadein-delay--2 {
    -webkit-transition-delay: 0.4s;
       -moz-transition-delay: 0.4s;
            transition-delay: 0.4s;
  }
  .fadein-delay--3 {
    -webkit-transition-delay: 0.6s;
       -moz-transition-delay: 0.6s;
            transition-delay: 0.6s;
  }
  .show-sp {
    display: none;
  }
  main a {
    color: inherit;
    display: block;
  }
  main a.hov {
    display: block;
    line-height: 0;
    height: 100%;
    overflow: hidden;
    background: #000;
  }
  main a.hov-w {
    background: #fff;
  }
  main a.hov:hover {
    opacity: 1;
  }
  main a.hov:hover .link-inn {
    opacity: 0.7;
  }
  main a.hov .link-inn {
    -webkit-transition: opacity 0.35s ease;
    -moz-transition: opacity 0.35s ease;
    transition: opacity 0.35s ease;
  }
  main img {
    max-width: 100%;
    vertical-align: top;
  }
  main .inner {
    max-width: 1200px;
    margin: 0 auto;
  }
  main .sec-ttl {
    text-align: center;
  }
  main .nav-area {
    background: url(/lab/machikado/img/bg_ptn.png) repeat left top;
    -moz-background-size: 100% 100%;
         background-size: 100% 100%;
  }
  main .nav-area .inner {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
       -moz-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    padding: 19px 6px 16px;
    max-width: 1200px;
    -moz-box-sizing: border-box;
         box-sizing: border-box;
    margin: 0 auto;
  }
  main .nav-area_logo {
    width: 218px;
    -webkit-transition-timing-function: ease;
       -moz-transition-timing-function: ease;
            transition-timing-function: ease;
  }
  main .nav-area_menu {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    padding: 14px 0;
  }
  main .nav-area_menu li {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 0 40px;
  }
  main .nav-area_menu li:last-of-type {
    padding-right: 0;
  }
  main .nav-area_menu li a {
    font-size: 1.28571rem;
    line-height: 1;
    font-weight: 500;
    letter-spacing: 1px;
    font-family: YakuhanJP,"Noto Sans Japanese", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Verdana", sans-serif;
  }
  main .nav-area_menu li + li {
    border-left: 1px solid #000;
  }
  .snsList {
    margin-bottom: 72px;
  }
  .back-to-top {
    width: 40px;
    height: 40px;
    background-color: #000;
    -moz-border-radius: 50%;
         border-radius: 50%;
    position: fixed;
    bottom: 50px;
    right: 50px;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    overflow: hidden;
    border: 1px solid #5a5959;
    z-index: 100;
    -webkit-transition: background-color 0.3s;
    -moz-transition: background-color 0.3s;
    transition: background-color 0.3s;
  }
  .back-to-top.hidden {
    opacity: 0;
    pointer-events: none;
  }
  .back-to-top:before {
    content: "↑";
    color: #fff;
    font-size: 1.71429rem;
    -webkit-transition: color 0.3s;
    -moz-transition: color 0.3s;
    transition: color 0.3s;
  }
  .back-to-top:hover {
    opacity: 1;
    background-color: #fff;
  }
  .back-to-top:hover:before {
    color: #000;
  }
  .fv {
    height: -webkit-calc(100vh - 153px);
    height: -moz-calc(100vh - 153px);
    height: calc(100vh - 153px);
    min-height: 700px;
    /*TODO:要調整*/
    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;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
  }
  .fv:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    bottom: -19vw;
    left: 0;
    right: 0;
    margin: auto;
    width: 100%;
    height: -webkit-calc(100% + 19vw);
    height: -moz-calc(100% + 19vw);
    height: calc(100% + 19vw);
    background: url(/lab/machikado/concept/img/fv.jpg) no-repeat center bottom;
    -moz-background-size: cover;
         background-size: cover;
    z-index: 0;
  }
  .fv_ttl {
    position: absolute;
    z-index: 2;
    width: 80%;
    max-width: 1208px;
    left: 0;
    right: 0;
    margin: auto;
  }
  .fv_ttl img {
    width: 100%;
  }
  .fv .steam__wrap {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    z-index: 1;
    left: 0;
    right: 0;
    margin: auto;
  }
  .fv .steam__wrap .steam {
    display: block;
    left: 0;
    right: 0;
    margin: auto;
    position: absolute;
    z-index: 11;
    bottom: 50%;
    opacity: 0;
    text-align: center;
  }
  .fv .steam__wrap .steam img {
    display: block;
    width: 1200px;
    height: 2575px;
    margin: 0 auto;
  }
  .fv .steam__wrap .steam--01 {
    -webkit-animation: steam01 6s infinite linear;
       -moz-animation: steam01 6s infinite linear;
            animation: steam01 6s infinite linear;
  }
  .fv .steam__wrap .steam--02 {
    -webkit-animation: steam02 5s infinite linear;
       -moz-animation: steam02 5s infinite linear;
            animation: steam02 5s infinite linear;
  }
  .fv .steam__wrap .steam--03 {
    -webkit-animation: steam01 6s infinite linear 3s;
       -moz-animation: steam01 6s infinite linear 3s;
            animation: steam01 6s infinite linear 3s;
  }
  .fv .steam__wrap .steam--04 {
    -webkit-animation: steam02 5s infinite linear 2.5s;
       -moz-animation: steam02 5s infinite linear 2.5s;
            animation: steam02 5s infinite linear 2.5s;
  }
  .secret {
    font-family: 'Noto Serif JP', serif;
  }
  .secret_box {
    padding-top: 75px;
    text-align: center;
  }
  .secret_box_ttl:before {
    content: "";
    display: block;
    width: 1px;
    height: 120px;
    background-color: #777777;
    margin: 0 auto 22px;
  }
  .secret_box_num {
    display: block;
    font-size: 2.14286rem;
    color: #777777;
    margin: 0 0 25px;
  }
  .secret_box_text {
    line-height: 2.7;
    font-size: 1.28571rem;
    margin-top: 30px;
  }
  .secret_box_text + .secret_box_text {
    margin-top: 20px;
  }
  .secret_box_text a {
    border-bottom: 1px solid #777;
    color: #777;
    display: inline-block;
    font-size: 1.14286rem;
    line-height: 1.5;
  }
  .secret_box_text a:hover {
    border-bottom: 0;
  }
  .secret_box_note {
    font-size: 1.07143rem;
    margin-top: 62px;
  }
  .secret_box_img {
    margin-top: 72px;
  }
  .secret_box_img_inner {
    width: 690px;
    margin: 0 auto;
  }
  .secret_box_img .movie_wrap {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 56.25%;
  }
  .secret_box_img .movie_wrap iframe {
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
  }
  .secret_box_img img {
    width: 690px;
  }
  .secret_box_img img + img {
    margin-left: 40px;
  }
  .secret_box--1 {
    height: 1590px;
    position: relative;
    z-index: 1;
  }
  .secret_box--1:before {
    content: "";
    display: block;
    width: 100%;
    height: 1397px;
    background: url(/lab/machikado/concept/img/secret_box_bg01.jpg) no-repeat center top;
    -moz-background-size: cover;
         background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
  }
  .secret_box--1 .secret_box_movie {
    margin: 72px auto 0;
    width: 690px;
  }
  .secret_box--1 .secret_box_movie_inner {
    width: 100%;
    height: 0;
    position: relative;
    padding-top: 56.25%;
  }
  .secret_box--1 .secret_box_movie img {
    display: none;
  }
  .secret_box--1 .secret_box_movie iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .secret_box--2 {
    position: relative;
  }
  .secret_box--2:before {
    content: "";
    display: block;
    width: 100%;
    height: 1975px;
    position: absolute;
    background: url(/lab/machikado/concept/img/secret_box_bg02.jpg) no-repeat center bottom;
    -moz-background-size: cover;
         background-size: cover;
    top: -95px;
  }
  .secret_box--3 .secret_box_img img {
    width: 580px;
  }
  .secret_box--4 .secret_box_img img {
    width: -webkit-calc(50% - 20px);
    width: -moz-calc(50% - 20px);
    width: calc(50% - 20px);
  }
  .secret_box--4 .secret_box_text {
    font-size: 1.14286rem;
    line-height: 3;
  }
  .qa {
    padding: 120px 0;
    background: url(/lab/machikado/img/bg_yellow.png) repeat left top;
    -moz-background-size: cover;
         background-size: cover;
    font-family: 'Noto Serif JP', serif;
  }
  .qa .inner {
    background-color: #fff;
    padding: 80px;
    width: 98%;
    margin: 0 auto;
    -moz-box-sizing: border-box;
         box-sizing: border-box;
  }
  .qa .sec-ttl img {
    width: 384px;
  }
  .qa_list {
    margin-top: 6px;
  }
  .qa_list dl {
    padding: 32px 0 24px;
  }
  .qa_list dl + dl {
    border-top: 1px solid #dddddd;
  }
  .qa_list dl dt, .qa_list dl dd {
    font-size: 1.28571rem;
    min-height: 57px;
    line-height: 1.8;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .qa_list dl dt span, .qa_list dl dd span {
    font-size: 0;
    border: 1px solid #000;
    -moz-border-radius: 50%;
         border-radius: 50%;
    display: block;
    width: 55px;
    height: 55px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    margin-right: 24px;
  }
  .qa_list dl dt span {
    background: url(/lab/machikado/concept/img/qa_q.png) no-repeat center center;
    -moz-background-size: 23px auto;
         background-size: 23px auto;
    background-color: #000;
  }
  .qa_list dl dd {
    margin-top: 14px;
  }
  .qa_list dl dd span {
    background: url(/lab/machikado/concept/img/qa_a.png) no-repeat center center;
    -moz-background-size: 21px auto;
         background-size: 21px auto;
  }
  .snsList {
    margin-top: 120px;
  }
}

@media screen and (min-width: 751px) and (max-width: 1000px) {
  nav.submenu.open {
    left: 0 !important;
  }
  main .nav-area_menu li {
    padding: 0 1.86667vw;
  }
  main .nav-area_menu li a {
    font-size: 1.86667vw;
    line-height: 1;
  }
}

@media screen and (min-width: 751px) and (max-width: 1350px) {
  main .nav-area .inner {
    max-width: 90%;
  }
}

@media screen and (max-width: 750px) {
  #wrapper2 {
    width: 100%;
    max-width: 100%;
  }
  .fadein {
    opacity: 0;
    -webkit-transform: translateY(30px);
       -moz-transform: translateY(30px);
        -ms-transform: translateY(30px);
            transform: translateY(30px);
    -webkit-transition: opacity 1.5s,-webkit-transform 1.5s;
    transition: opacity 1.5s,-webkit-transform 1.5s;
    -moz-transition: opacity 1.5s,transform 1.5s,-moz-transform 1.5s;
    transition: opacity 1.5s,transform 1.5s;
    transition: opacity 1.5s,transform 1.5s,-webkit-transform 1.5s,-moz-transform 1.5s;
  }
  .fadein.show {
    opacity: 1;
    -webkit-transform: translateY(0);
       -moz-transform: translateY(0);
        -ms-transform: translateY(0);
            transform: translateY(0);
  }
  .fadein-delay--1 {
    -webkit-transition-delay: 0.2s;
       -moz-transition-delay: 0.2s;
            transition-delay: 0.2s;
  }
  .fadein-delay--2 {
    -webkit-transition-delay: 0.4s;
       -moz-transition-delay: 0.4s;
            transition-delay: 0.4s;
  }
  .fadein-delay--3 {
    -webkit-transition-delay: 0.6s;
       -moz-transition-delay: 0.6s;
            transition-delay: 0.6s;
  }
  .show-pc {
    display: none;
  }
  main a {
    color: inherit;
    display: block;
  }
  main a:hover {
    opacity: 1 !important;
  }
  main img {
    max-width: 100%;
    vertical-align: top;
  }
  main .inner {
    max-width: -webkit-calc(100% - 30px);
    max-width: -moz-calc(100% - 30px);
    max-width: calc(100% - 30px);
    margin: 0 auto;
  }
  main .sec-ttl {
    text-align: center;
  }
  main .nav-area {
    background: url(/lab/machikado/img/bg_ptn.png) repeat left top;
    -moz-background-size: 100% 100%;
         background-size: 100% 100%;
    padding-top: 18px;
  }
  main .nav-area_logo {
    width: 182px;
    margin: 0 auto;
  }
  main .nav-area_menu {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    padding: 18px 0;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
  main .nav-area_menu li {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    width: 112px;
    -moz-box-sizing: border-box;
         box-sizing: border-box;
  }
  main .nav-area_menu li a {
    font-size: 13px;
    line-height: 1;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.8px;
    font-family: YakuhanJP,"Noto Sans Japanese", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", "Verdana", sans-serif;
  }
  main .nav-area_menu li:first-of-type span {
    display: block;
    padding-left: 7px;
  }
  main .nav-area_menu li:last-of-type {
    padding-right: 22px;
  }
  main .nav-area_menu li + li {
    border-left: 1px solid #000;
  }
  .snsList {
    margin-bottom: 130px;
  }
  .back-to-top {
    width: 41px;
    height: 41px;
    background-color: #000;
    -moz-border-radius: 50%;
         border-radius: 50%;
    position: fixed;
    bottom: 90px;
    right: 25px;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    overflow: hidden;
    border: 1px solid #000;
    -webkit-transition: opacity 0.3s ease;
    -moz-transition: opacity 0.3s ease;
    transition: opacity 0.3s ease;
    z-index: 100;
  }
  .back-to-top:before {
    content: "↑";
    color: #fff;
    font-size: 18px;
  }
  .back-to-top.hidden {
    opacity: 0;
    pointer-events: none;
  }
  .fv {
    height: 310px;
    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;
    position: relative;
    overflow: hidden;
  }
  .fv:before {
    content: "";
    display: block;
    position: absolute;
    top: 0;
    bottom: -68px;
    left: 0;
    right: 0;
    margin: auto;
    width: 100%;
    height: -webkit-calc(100% + 68px);
    height: -moz-calc(100% + 68px);
    height: calc(100% + 68px);
    background: url(/lab/machikado/concept/img/fv.jpg) no-repeat center bottom;
    -moz-background-size: cover;
         background-size: cover;
    z-index: 0;
  }
  .fv_ttl {
    position: absolute;
    width: 312px;
    z-index: 2;
    top: 10%;
  }
  .fv .steam__wrap {
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    z-index: 1;
  }
  .fv .steam__wrap .steam {
    display: block;
    left: 0;
    right: 0;
    margin: auto;
    position: absolute;
    z-index: 11;
    bottom: 50%;
    opacity: 0;
  }
  .fv .steam__wrap .steam img {
    display: block;
    width: 100vw;
    height: 257.46667vw;
  }
  .fv .steam__wrap .steam--01 {
    -webkit-animation: steam01_sp 5s infinite linear;
       -moz-animation: steam01_sp 5s infinite linear;
            animation: steam01_sp 5s infinite linear;
  }
  .fv .steam__wrap .steam--02 {
    -webkit-animation: steam02_sp 4s infinite linear;
       -moz-animation: steam02_sp 4s infinite linear;
            animation: steam02_sp 4s infinite linear;
  }
  .fv .steam__wrap .steam--03 {
    -webkit-animation: steam01_sp 5s infinite linear 2.5s;
       -moz-animation: steam01_sp 5s infinite linear 2.5s;
            animation: steam01_sp 5s infinite linear 2.5s;
  }
  .fv .steam__wrap .steam--04 {
    -webkit-animation: steam02_sp 4s infinite linear 2s;
       -moz-animation: steam02_sp 4s infinite linear 2s;
            animation: steam02_sp 4s infinite linear 2s;
  }
  .secret {
    font-family: 'Noto Serif JP', serif;
  }
  .secret_box {
    padding-top: 30px;
    text-align: center;
  }
  .secret_box_ttl:before {
    content: "";
    display: block;
    width: 1px;
    height: 60px;
    background-color: #777777;
    margin: 0 auto 15px;
  }
  .secret_box_num {
    display: block;
    font-size: 17px;
    color: #777777;
    margin: 0 0 13px;
  }
  .secret_box_text {
    line-height: 2.4;
    font-size: 12px;
    margin-top: 20px;
  }
  .secret_box_text a {
    border-bottom: 1px solid #777;
    color: #777;
    display: inline-block;
    font-size: 11px;
    line-height: 1.5;
  }
  .secret_box_note {
    font-size: 12px;
    margin-top: 20px;
  }
  .secret_box_img {
    margin-top: 23px;
  }
  .secret_box_img_inner {
    width: 80.5%;
    margin: 0 auto;
  }
  .secret_box_img .movie_wrap {
    position: relative;
    width: 100%;
    height: 0;
    padding-top: 56.25%;
  }
  .secret_box_img .movie_wrap iframe {
    position: absolute;
    height: 100%;
    width: 100%;
    left: 0;
    top: 0;
  }
  .secret_box_img img {
    width: 80.5%;
  }
  .secret_box_img img + img {
    margin-top: 14px;
  }
  .secret_box--1 {
    position: relative;
    z-index: 1;
  }
  .secret_box--1:before {
    content: "";
    display: block;
    width: 100%;
    height: 698.5px;
    background: url(/lab/machikado/concept/img/secret_box_bg01.jpg) no-repeat center top;
    -moz-background-size: cover;
         background-size: cover;
    position: absolute;
    top: 0;
    left: 0;
  }
  .secret_box--1 .secret_box_ttl img {
    width: 244px;
  }
  .secret_box--1 .secret_box_movie {
    margin: 25px auto 0;
    width: 80.5%;
  }
  .secret_box--1 .secret_box_movie.play .secret_box_movie_inner:before, .secret_box--1 .secret_box_movie.play .secret_box_movie_inner:after {
    display: none;
  }
  .secret_box--1 .secret_box_movie.play .secret_box_movie_inner img {
    display: none;
  }
  .secret_box--1 .secret_box_movie_inner {
    width: 100%;
    height: 0;
    position: relative;
    padding-top: 56.25%;
  }
  .secret_box--1 .secret_box_movie iframe {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
  }
  .secret_box--2 {
    position: relative;
  }
  .secret_box--2:before {
    content: "";
    display: block;
    width: 100%;
    height: 882.5px;
    position: absolute;
    background: url(/lab/machikado/concept/img/secret_box_bg02.jpg) no-repeat center bottom;
    -moz-background-size: cover;
         background-size: cover;
    top: -65px;
  }
  .secret_box--2 .secret_box_ttl img {
    width: 330px;
  }
  .secret_box--3 .secret_box_ttl img {
    width: 265px;
  }
  .secret_box--4 .secret_box_ttl img {
    width: 190px;
  }
  .secret_box--4 .secret_box_img img {
    width: 100%;
  }
  .secret_box--4 .secret_box_img img + img {
    margin-top: 4px;
  }
  .qa {
    padding: 38px 0 48px;
    background: url(/lab/machikado/img/bg_yellow.png) repeat left top;
    -moz-background-size: cover;
         background-size: cover;
    font-family: 'Noto Serif JP', serif;
  }
  .qa .inner {
    background-color: #fff;
    padding: 29px 15px;
  }
  .qa .sec-ttl img {
    width: 262px;
  }
  .qa_list {
    margin-top: 15px;
  }
  .qa_list dl {
    padding: 17.5px 0;
  }
  .qa_list dl + dl {
    border-top: 1px solid #dddddd;
  }
  .qa_list dl dt, .qa_list dl dd {
    font-size: 13px;
    min-height: 28.5px;
    line-height: 1.8;
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  .qa_list dl dt span, .qa_list dl dd span {
    font-size: 0;
    border: 1px solid #000;
    -moz-border-radius: 50%;
         border-radius: 50%;
    display: block;
    width: 28.5px;
    height: 28.5px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    margin-right: 13px;
  }
  .qa_list dl dt span {
    background: url(/lab/machikado/concept/img/qa_q.png) no-repeat center center;
    -moz-background-size: 11.5px auto;
         background-size: 11.5px auto;
    background-color: #000;
  }
  .qa_list dl dd {
    margin-top: 22px;
    -webkit-box-align: start;
       -moz-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
  }
  .qa_list dl dd span {
    background: url(/lab/machikado/concept/img/qa_a.png) no-repeat center center;
    -moz-background-size: 10.5px auto;
         background-size: 10.5px auto;
  }
  .snsList {
    margin-top: 130px;
  }
}