#research {
  color: #000;
  width: 1100px;
  font-size: 16px;
  line-height: 24px; }
  @media only screen and (max-width: 960px) {
    #research {
      width: 100%; } }
  @media only screen and (max-width: 559px) {
    #research {
      font-size: 14px;
      line-height: 20px; } }
  #research .container {
    width: 100%; }
    #research .container .pcnone {
      display: none; }
      @media only screen and (max-width: 960px) {
        #research .container .pcnone {
          display: block; } }
  #research .narrow {
    width: 770px;
    margin: 0 auto; }
    @media only screen and (max-width: 960px) {
      #research .narrow {
        padding: 0 20px;
        width: 100%; } }
  @media only screen and (max-width: 559px) {
    #research br.pc-only {
      display: none; } }
  #research #content {
    background: #fff;
    padding-bottom: 6rem; }
    #research #content .message {
      padding: 6rem 0;
      text-align: center; }
    #research #content .article-list {
      margin: 0 auto;
      width: 900px; }
      #research #content .article-list ul {
        display: -ms-flexbox;
        display: flex;
        -ms-flex-pack: justify;
        justify-content: space-between;
        -ms-flex-wrap: wrap;
        flex-wrap: wrap; }
        #research #content .article-list ul li {
          background: #f3f8f8;
          padding: 0 0 4rem 4rem;
          margin-top: 4rem;
          width: 48%;
          display: -ms-flexbox;
          display: flex;
          flex-direction: column; }
          #research #content .article-list ul li .inner {
            padding-right: 4rem;
            flex-grow: 1;
            width: 100%; }
            #research #content .article-list ul li .inner h3 {
              margin-top: 3rem; }
              #research #content .article-list ul li .inner h3::after {
                content: "";
                display: block;
                width: 60px;
                height: 4px;
                margin: 3rem 0;
                background: #000;
                border-radius: 3px; }
          #research #content .article-list ul li a {
            background: #007cf2;
            color: #fff;
            display: block;
            text-align: center;
            width: 70%;
            border-radius: 5px;
            padding: 1rem 0;
            margin: 3rem 0 0 0; }
            #research #content .article-list ul li a:hover {
              opacity: 0.8; }
          #research #content .article-list ul li:nth-child(1), #research #content .article-list ul li:nth-child(2) {
            margin-top: 0rem; }
    @media only screen and (max-width: 960px) {
      #research #content .article-list {
        width: 100%; }
        #research #content .article-list ul li {
          width: 100%; }
          #research #content .article-list ul li:nth-child(2) {
            margin-top: 4rem; }
          #research #content .article-list ul li .inner {
            height: auto; }
          #research #content .article-list ul li a {
            margin-top: 4rem; } }
    @media only screen and (max-width: 559px) {
      #research #content {
        padding-bottom: 0rem; }
        #research #content .article-list ul li {
          padding: 2rem; }
          #research #content .article-list ul li .inner {
            padding: 0px; }
          #research #content .article-list ul li a {
            margin-top: 2rem; } }
  #research #survey {
    background: #fff;
    padding: 6rem 0; }
    #research #survey a {
      word-wrap: break-word; }
    #research #survey p {
      line-height: 1.8; }
      #research #survey p.bold {
        font-weight: bold; }
      #research #survey p:not(:first-child) {
        margin-top: 1rem; }
    #research #survey .ttl-box p {
      font-weight: bold; }
    #research #survey .ttl-box h2 {
      color: #007cf2;
      font-size: 3rem;
      margin-top: 2rem; }
      #research #survey .ttl-box h2::after {
        content: "";
        display: block;
        width: 60px;
        height: 4px;
        margin: 3rem 0;
        background: #000;
        border-radius: 3px;
        flex-grow: 1; }
    #research #survey .block:not(:first-child) {
      margin-top: 4rem; }
    #research #survey .block.border {
      padding: 4rem 2rem;
      border: 1px solid #555; }
      #research #survey .block.border strong {
        font-size: 20px; }
    #research #survey .mt4 {
      margin-top: 4rem; }
    #research #survey .caption {
      margin-top: 4rem;
      background: #f1f1f1;
      padding: 2rem 4rem; }
      #research #survey .caption span {
        display: inline-block;
        vertical-align: top; }
    #research #survey .back-btn {
      margin: 6rem auto 3rem auto;
      position: relative;
      display: inline-block;
      border-bottom: 1px solid #fff;
      padding: 0 0 0 30px; }
      #research #survey .back-btn a::before {
        content: '';
        width: 8px;
        height: 8px;
        border-top: solid 2px #3164BC;
        border-right: solid 2px #3164BC;
        position: absolute;
        left: 10px;
        top: 8px;
        transform: rotate(-135deg); }
      #research #survey .back-btn:hover {
        border-bottom: 1px solid #3164BC; }
    @media only screen and (max-width: 559px) {
      #research #survey {
        padding: 4rem 0; }
        #research #survey .mt4 {
          margin-top: 2rem; }
        #research #survey .ttl-box h2 {
          font-size: 2rem; }
        #research #survey .block:not(:first-child) {
          margin-top: 2rem; }
        #research #survey .block img {
          margin-top: 2rem; }
        #research #survey .caption {
          margin-top: 2rem;
          padding: 2rem; } }

.flex {
  display: flex;
  justify-content: space-between; }
  @media only screen and (max-width: 559px) {
    .flex {
      flex-direction: column; } }

.flex-item {
  width: 48%; }
  @media only screen and (max-width: 559px) {
    .flex-item {
      width: 100%; } }

.detail-read-header {
  --header-color-100: var(--main-color-100);
  --header-color-10: var(--blightblue-color);
  margin-bottom: calc(64 / var(--font-size) * 1rem); }

.detail-read-header__in {
  display: block;
  background: #ECF9FF;
  padding: 1.6rem 2.4rem;
  border-radius: .8rem; }

.detail-read-header__txt {
  position: relative;
  color: #3164BD;
  font-size: 2rem;
  font-weight: bold;
  line-height: 1.5;
  display: flex;
  align-items: center; }

.detail-read-header__txt::before {
  content: "";
  display: block;
  width: 1.6rem;
  height: .4rem;
  background: #3164BD;
  flex-shrink: 0;
  margin-right: 1.2rem; }


.u-right {
  text-align: right; }

.u-small {
  font-size: 1.4rem; }

.u-right {
  text-align: right; }

.u-small {
  font-size: 0.9em; }