#problem .intro {
  text-align: center;
  padding: 76px 0 85px; }
  #problem .intro h3 {
    font-family: 'Cormorant Garamond', serif;
    font-weight: 500;
    font-size: 48px;
    line-height: 54px;
    opacity: 0.6;
    margin-bottom: 22px; }
  #problem .intro h4 {
    font-family: 'Noto-Serif-JP-Medium';
    font-size: 36px;
    margin-bottom: 43px; }
    #problem .intro h4 span {
      font-family: 'Noto-Serif-JP-Regular';
      font-size: 54px;
      padding: 0 12px;
      position: relative; }
      #problem .intro h4 span::before {
        content: "";
        width: 143px;
        height: 92px;
        background: url(../images/problem/border_note.png) no-repeat;
        position: absolute;
        top: -3px;
        left: -3px;
        z-index: -1; }
  #problem .intro p {
    font-family: 'Noto-Serif-JP-Light';
    font-size: 16px;
    line-height: 32px; }

#problem .face {
  margin-bottom: 173px; }
  #problem .face h4 {
    font-family: 'Noto-Serif-JP-Medium';
    font-size: 30px;
    margin-left: -50px;
    margin-bottom: 138px; }
    #problem .face h4 span {
      font-family: 'Cormorant Garamond', serif;
      font-weight: 500;
      font-size: 160px;
      opacity: 0.6;
      letter-spacing: 11px; }
  #problem .face .content {
    text-align: center;
    position: relative; }
    #problem .face .content::before {
      content: '';
      width: calc((100% - 1200px) / 2 + 1200px);
      height: 700px;
      background: url(../images/problem/bg_face.png) center/cover;
      position: absolute;
      top: -105px;
      right: 0;
      z-index: -1; }
    #problem .face .content .img-main {
      -webkit-box-shadow: 40px 0 70px rgba(0, 0, 0, 0.14);
              box-shadow: 40px 0 70px rgba(0, 0, 0, 0.14); }

#problem .body {
  margin-bottom: 100px; }
  #problem .body .content::before {
    background-image: url(../images/problem/bg_body.png);
    right: auto;
    left: 0; }

#problem .wrap-btn {
  margin-bottom: 98px; }
  #problem .wrap-btn .btn-border {
    margin: auto; }

.modal {
  width: 100%;
  height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  transition: .4s ease-in-out;
  -webkit-transition: .4s ease-in-out;
  -moz-transition: .4s ease-in-out;
  -ms-transition: .4s ease-in-out;
  -o-transition: .4s ease-in-out;
  opacity: 0;
  z-index: -1; }
  .modal.toggle {
    opacity: 1;
    z-index: 9; }
  .modal .wrapper {
    width: 90%;
    max-width: 800px;
    padding: 115px 40px 20px;
    background: #ffffff;
    -webkit-box-shadow: 40px 0 70px rgba(0, 0, 0, 0.14);
            box-shadow: 40px 0 70px rgba(0, 0, 0, 0.14);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    -o-transform: translate(-50%, -50%); }
    .modal .wrapper .close {
      position: absolute;
      top: 25px;
      right: 25px;
      cursor: pointer; }
    .modal .wrapper .head {
      padding: 25px 0;
      background: #f4f4f4;
      text-align: center;
      margin-bottom: 55px;
      position: relative; }
      .modal .wrapper .head::before {
        content: '';
        width: 100%;
        height: 1px;
        background: #ada27a;
        position: absolute;
        top: -16px;
        left: 0; }
      .modal .wrapper .head::after {
        content: '';
        width: 100%;
        height: 9px;
        background: url(../images/problem/border_bottom.png) center no-repeat;
        position: absolute;
        bottom: -24px;
        left: 0; }
      .modal .wrapper .head h3 {
        font-family: 'Noto-Serif-JP-Medium';
        font-size: 20px;
        letter-spacing: 2px;
        line-height: 30px; }
        .modal .wrapper .head h3 span {
          display: block;
          font-family: 'Noto-Serif-JP-SemiBold';
          font-size: 48px;
          line-height: 70px;
          text-align: center; }
    .modal .wrapper ul {
      text-align: center; }
      .modal .wrapper ul li {
        display: inline-block;
        width: calc(50% - 10px);
        background: url(../images/problem/bg_gradient.png) center/cover;
        margin-bottom: 20px;
        position: relative; }
        .modal .wrapper ul li::before {
          content: '';
          width: 9px;
          height: 20px;
          background: url(../images/common/arror_right.png) center no-repeat;
          position: absolute;
          top: 50%;
          right: 20px;
          transform: translateY(-50%);
          -webkit-transform: translateY(-50%);
          -moz-transform: translateY(-50%);
          -ms-transform: translateY(-50%);
          -o-transform: translateY(-50%); }
        .modal .wrapper ul li:nth-of-type(even) {
          margin-left: 20px; }
        .modal .wrapper ul li a {
          display: block;
          font-family: 'Noto-Serif-JP-Medium';
          font-size: 20px;
          line-height: 30px;
          color: #ffffff;
          padding: 25px 0; }

@media (max-width: 640px) {
  #problem .intro {
    width: 100%;
    padding: 15px 0 40px; }
    #problem .intro h3 {
      font-size: 26px;
      line-height: 32px;
      margin-bottom: 8px; }
    #problem .intro h4 {
      font-size: 20px;
      line-height: 30px;
      margin-bottom: 18px; }
      #problem .intro h4 span {
        font-size: 23px; }
        #problem .intro h4 span::before {
          width: 68px;
          height: 44px;
          background-size: contain;
          top: -1px;
          left: -1px; }
    #problem .intro p {
      max-width: 90%;
      font-size: 12px;
      line-height: 22px;
      text-align: left;
      padding: 0 10px;
      margin: auto; }
  #problem .face {
    margin-bottom: 50px; }
    #problem .face .inner {
      width: 100%; }
    #problem .face h4 {
      font-size: 16px;
      line-height: 30px;
      text-align: center;
      margin-left: 0;
      margin-bottom: 40px; }
      #problem .face h4 span {
        display: block;
        font-size: 72px;
        letter-spacing: 0;
        text-align: center; }
    #problem .face .content::before {
      width: calc(100% - 10px);
      height: 215px;
      top: -22px; }
    #problem .face .content .img-main {
      width: 300px;
      -webkit-box-shadow: 17px 0 30px rgba(0, 0, 0, 0.2);
              box-shadow: 17px 0 30px rgba(0, 0, 0, 0.2); }
  #problem .wrap-btn {
    margin-bottom: 50px; }
  .modal .wrapper {
    padding: 60px 20px 10px;
    -webkit-box-shadow: 17px 0 30px rgba(0, 0, 0, 0.2);
            box-shadow: 17px 0 30px rgba(0, 0, 0, 0.2); }
    .modal .wrapper .close {
      width: 22px;
      top: 20px;
      right: 20px; }
    .modal .wrapper .head {
      padding: 15px 0;
      margin-bottom: 35px; }
      .modal .wrapper .head::before {
        top: -8px; }
      .modal .wrapper .head::after {
        bottom: -16px; }
      .modal .wrapper .head h3 {
        font-size: 16px;
        line-height: 22px;
        letter-spacing: 0; }
        .modal .wrapper .head h3 span {
          font-size: 34px;
          line-height: 48px; }
    .modal .wrapper ul li {
      width: calc(50% - 5px);
      margin-bottom: 10px; }
      .modal .wrapper ul li:nth-of-type(even) {
        margin-left: 10px; }
      .modal .wrapper ul li a {
        font-size: 14px;
        padding: 5px 0; } }