@import url("https://fonts.googleapis.com/css2?family=Jost:ital,wght@0,100..900;1,100..900&family=Zen+Maru+Gothic&display=swap");
/*********************************
 *
 * MV
 *
 *********************************/
#mv {
  position: relative;
  background: url("../images/top/mv_bg.jpg") center bottom no-repeat;
  background-size: cover; }
  @media screen and (max-width: 768px) {
    #mv {
      background: url("../images/top/mv_bg-sp.jpg") center bottom no-repeat;
      background-size: cover; } }
  #mv .inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 90%;
    max-width: 894px;
    height: 60vw;
    max-height: 868px;
    margin: 0 auto; }
    @media screen and (max-width: 768px) {
      #mv .inner {
        width: 100%;
        height: 170vw;
        max-height: 650px; } }
  #mv .mv_box {
    width: 100%;
    text-align: center; }
    #mv .mv_box h1 {
      width: 48%;
      max-width: 413px;
      margin: 2rem auto 0 auto; }
      @media screen and (max-width: 768px) {
        #mv .mv_box h1 {
          width: 65%;
          margin: 0 auto; } }
    #mv .mv_box p {
      margin-top: 1.5em;
      font-size: 155%; }
      @media screen and (max-width: 768px) {
        #mv .mv_box p {
          margin-top: 2em;
          line-height: 2; } }

/*********************************
 * topics
 *********************************/
#topics .inner {
  position: relative;
  display: flex;
  justify-content: space-between;
  padding-bottom: 4rem; }
  @media screen and (max-width: 768px) {
    #topics .inner {
      display: block; } }
  #topics .inner::after {
    position: absolute;
    display: block;
    content: "";
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #c6e2f1 0%, #dadfe7 100%);
    bottom: 0;
    left: 0; }
    @media screen and (max-width: 768px) {
      #topics .inner::after {
        height: 3px; } }
#topics h2 {
  width: 14%;
  max-width: 124px; }
  @media screen and (max-width: 768px) {
    #topics h2 {
      width: 32%;
      max-width: 114px; } }
#topics dl {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
  width: 82%; }
  @media screen and (max-width: 768px) {
    #topics dl {
      display: block;
      width: 100%; } }
  #topics dl dt {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 11rem;
    padding: 0 0 1rem 0;
    font-size: 90%; }
    @media screen and (max-width: 768px) {
      #topics dl dt {
        justify-content: flex-start;
        width: 100%;
        padding: 2rem 0 0 0;
        font-size: 105%; } }
    #topics dl dt .cate {
      padding: 0.4em 0.7em;
      background-color: #bbc7d0;
      color: #fff;
      font-size: 80%;
      letter-spacing: 0.3em; }
      @media screen and (max-width: 768px) {
        #topics dl dt .cate {
          margin-left: 0.7rem;
          font-size: 85%; } }
  #topics dl dd {
    width: calc(100% - 13rem);
    padding: 0 0 1rem 0;
    font-size: 88%;
    line-height: 1.6; }
    @media screen and (max-width: 768px) {
      #topics dl dd {
        display: block;
        width: 100%;
        padding: 0.7rem 0 0 0;
        font-size: 108%; } }
    #topics dl dd a {
      color: #91a3ba; }

/*********************************
 * concept
 *********************************/
#concept {
  padding: 7rem 0 0 0; }
  @media screen and (max-width: 768px) {
    #concept {
      padding: 4.5rem 0 0 0; } }
  #concept .flex_box {
    position: relative;
    display: flex;
    justify-content: space-between; }
  #concept h2 {
    position: relative;
    width: 7.4%;
    max-width: 66px; }
    @media screen and (max-width: 768px) {
      #concept h2 {
        width: 15%; } }
    #concept h2::after {
      position: absolute;
      display: block;
      content: "";
      width: 1px;
      height: 100%;
      background: linear-gradient(to bottom, #b1bfd1 50%, #8dc5e2 100%);
      bottom: 0;
      left: 40%;
      z-index: -1; }
      @media screen and (max-width: 768px) {
        #concept h2::after {
          width: 2px; } }
    #concept h2 span {
      position: relative;
      display: block;
      padding-bottom: 2rem;
      background-color: #fff;
      z-index: 2; }
  #concept .txt_box {
    width: 84%; }
    @media screen and (max-width: 768px) {
      #concept .txt_box {
        width: 76%; } }
    #concept .txt_box p {
      margin-top: 2.5rem;
      font-size: 105%;
      line-height: 3; }
      @media screen and (max-width: 768px) {
        #concept .txt_box p {
          margin-top: 1.8rem;
          font-size: 125%;
          line-height: 2.4; } }
  #concept h3 {
    font-size: 135%;
    line-height: 2; }
    @media screen and (max-width: 768px) {
      #concept h3 {
        font-size: 148%;
        line-height: 1.8; } }
  #concept .concept_box {
    margin-top: 8rem;
    padding: 4.5rem 2rem 3.5rem 0;
    background: url("../images/top/concept_bg.jpg") right top no-repeat;
    background-size: cover; }
    @media screen and (max-width: 768px) {
      #concept .concept_box {
        margin-top: 3rem;
        padding: 5rem 0; } }
    #concept .concept_box .flex_box {
      align-items: center;
      width: 90%;
      margin: 0 auto; }
      @media screen and (max-width: 768px) {
        #concept .concept_box .flex_box {
          display: block;
          width: 80%; } }
      #concept .concept_box .flex_box .img {
        width: 24%;
        max-width: 190px; }
        @media screen and (max-width: 768px) {
          #concept .concept_box .flex_box .img {
            width: 65%;
            margin: 0 auto; } }
      #concept .concept_box .flex_box .txt_box {
        width: 68%;
        font-size: 88%;
        line-height: 1.8; }
        @media screen and (max-width: 768px) {
          #concept .concept_box .flex_box .txt_box {
            margin-top: 2.2em;
            width: 100%;
            font-size: 120%;
            line-height: 2.2; } }
  #concept .concept_img {
    margin-top: 8rem; }
    @media screen and (max-width: 768px) {
      #concept .concept_img {
        margin-top: 5rem; } }
    #concept .concept_img ul {
      font-size: 0; }

/*********************************
 * feature
 *********************************/
#feature {
  padding: 7rem 0 8rem 0;
  background: url("../images/top/feature_bg.jpg") center top no-repeat;
  background-size: cover; }
  @media screen and (max-width: 768px) {
    #feature {
      padding: 5rem 0 5.5rem 0;
      background: url("../images/top/feature_bg-sp.jpg") center top no-repeat;
      background-size: cover; } }
  #feature .note {
    padding-top: 6rem;
    line-height: 2.2; }
    @media screen and (max-width: 768px) {
      #feature .note {
        padding-top: 2.8rem;
        font-size: 132%; } }
  #feature .img {
    margin-top: 5.5rem; }
    @media screen and (max-width: 768px) {
      #feature .img {
        margin-top: 2.5rem; } }

/*********************************
 * process
 *********************************/
#process {
  padding: 7rem 0 0 0; }
  @media screen and (max-width: 768px) {
    #process {
      padding: 5.5rem 0 0 0; } }
  #process ul.process_list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    width: 90%;
    margin: 2rem auto 0 auto; }
    @media screen and (max-width: 768px) {
      #process ul.process_list {
        width: 100%;
        margin: 0 auto; } }
    #process ul.process_list li {
      width: 33%;
      margin-top: 5rem;
      text-align: center; }
      @media screen and (max-width: 768px) {
        #process ul.process_list li {
          margin-top: 2.5rem; } }
      #process ul.process_list li img {
        width: 87%; }
        @media screen and (max-width: 768px) {
          #process ul.process_list li img {
            width: 90%; } }
      #process ul.process_list li p {
        font-size: 120%; }
        @media screen and (max-width: 768px) {
          #process ul.process_list li p {
            padding-top: 0.5em; } }

/*********************************
 * qa
 *********************************/
#qa {
  padding: 7rem 0 8.5rem 0; }
  @media screen and (max-width: 768px) {
    #qa {
      padding: 5.5rem 0; } }
  #qa .jp_ttl {
    padding-top: 0.5rem; }
  #qa .flex_box {
    position: relative;
    display: flex;
    justify-content: space-between;
    margin-top: 7rem; }
    @media screen and (max-width: 768px) {
      #qa .flex_box {
        display: block;
        margin-top: 2.8rem; } }
    #qa .flex_box .txt_box {
      width: 45%;
      font-size: 108%;
      line-height: 2.2; }
      @media screen and (max-width: 768px) {
        #qa .flex_box .txt_box {
          width: 100%;
          font-size: 132%;
          line-height: 1.8; } }
    #qa .flex_box .img {
      width: 50%; }
      @media screen and (max-width: 768px) {
        #qa .flex_box .img {
          width: 100%;
          margin-top: 2.5rem; } }

/*********************************
 * img_slider
 *********************************/
.img_slider .slider div {
  margin: 0 3px; }
  @media screen and (max-width: 768px) {
    .img_slider .slider div {
      margin: 0 1px; } }

/*********************************
 * f_img
 *********************************/
.f_img {
  position: relative;
  padding: 5.2rem 0 4.2rem 0; }
  @media screen and (max-width: 768px) {
    .f_img {
      padding: 3rem 0; } }
  .f_img::after {
    position: absolute;
    display: block;
    content: "";
    width: 100%;
    height: 2px;
    bottom: 0;
    background: linear-gradient(to right, #cfcdd7 0%, #b0d3e6 100%);
    left: 0; }
    @media screen and (max-width: 768px) {
      .f_img::after {
        height: 3px; } }
  .f_img .inner {
    width: 90%;
    max-width: 1122px; }
    @media screen and (max-width: 768px) {
      .f_img .inner {
        width: 80%; } }