.research_insights #hero {
  height: 540px;
  background: url("../img/activity/tp/hero_bg.jpg") no-repeat center center/cover;
  display: flex;
  align-items: center;
  justify-content: center; }
  .research_insights #hero .inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center; }
  .research_insights #hero h1 {
    font-size: min(10vw, 64px);
    flex: 0 0 100%;
    text-align: center;
    font-weight: 700; }
  .research_insights #hero h2 {
    padding-top: 1rem;
    margin-bottom: 0; }

.RD_lead {
  margin: 0 auto;
  padding-bottom: 2rem;
  width: 800px;
  max-width: 100%; }

.RD_content_tpt {
  background-image: url("/jp/RandD/assets/img/activity/tp/bg_tpt.jpg");
  background-size: cover;
  background-attachment: fixed; }
  .RD_content_tpt h2 {
    margin-bottom: 1rem; }

.tp_title {
  display: flex;
  flex-wrap: wrap;
  max-width: 980px;
  margin: auto;
  align-items: flex-end;
  justify-content: space-between;
  line-height: 1.4; }
  .tp_title h1 {
    font-size: min(4.4vw, 30px);
    font-weight: 800;
    margin-bottom: 1rem; }
    .tp_title h1 em {
      display: block;
      font-size: 14px;
      font-weight: 400;
      color: #ddd; }
  .tp_title h2 {
    font-size: min(3.4vw, 18px);
    font-weight: 600; }

.RD_techpaper_list li {
  margin-bottom: 2rem;
  text-align: center; }
.RD_techpaper_list i {
  position: relative; }
  .RD_techpaper_list i strong {
    position: absolute;
    display: grid;
    font-size: min(4vw, 2.7em);
    text-shadow: 0 1px 1px #000, 0 -1px 1px #000; }
    .RD_techpaper_list i strong span {
      display: inline-block;
      line-height: 1; }
    .RD_techpaper_list i strong.tp_type1 {
      left: 8px;
      bottom: 8px;
      grid-template-columns: 1em 1em 1em;
      grid-template-rows: 1em 1em; }
      .RD_techpaper_list i strong.tp_type1 span:first-child {
        grid-column: 1;
        grid-row: 1; }
      .RD_techpaper_list i strong.tp_type1 span:nth-child(2) {
        grid-column: 1;
        grid-row: 2; }
      .RD_techpaper_list i strong.tp_type1 span:nth-child(3) {
        grid-column: 2;
        grid-row: 2; }
      .RD_techpaper_list i strong.tp_type1 span:nth-child(4) {
        grid-column: 3;
        grid-row: 2; }
    .RD_techpaper_list i strong.tp_type2 {
      right: 8px;
      top: 8px;
      grid-template-columns: 1em 1em;
      grid-template-rows: 1em 1em 1em; }
      .RD_techpaper_list i strong.tp_type2 span:first-child {
        grid-column: 1;
        grid-row: 1; }
      .RD_techpaper_list i strong.tp_type2 span:nth-child(2) {
        grid-column: 2;
        grid-row: 1; }
      .RD_techpaper_list i strong.tp_type2 span:nth-child(3) {
        grid-column: 2;
        grid-row: 2; }
      .RD_techpaper_list i strong.tp_type2 span:nth-child(4) {
        grid-column: 2;
        grid-row: 3; }

.tp_slider {
  padding-top: 1rem;
  border-top: 1px solid #aaa; }
  .tp_slider .RD_techpaper_list li {
    padding: 0 2rem;
    opacity: 0.5; }
  .tp_slider .RD_techpaper_list li.slick-current {
    opacity: 1; }
  .tp_slider .RD_techpaper_list .slick-prev, .tp_slider .RD_techpaper_list .slick-next {
    z-index: 10; }
  .tp_slider .RD_techpaper_list .slick-prev {
    left: 32%; }
  .tp_slider .RD_techpaper_list .slick-next {
    right: 32%; }

.tp_main {
  width: 980px;
  max-width: 100%;
  margin: 0 auto 3rem;
  background: #fff;
  border: 0.5px solid #fff; }
  .tp_main h1 {
    text-align: center;
    padding: 1rem 0; }
    .tp_main h1 em {
      display: block;
      font-weight: 300;
      font-size: 0.8em; }
    .tp_main h1 b {
      font-weight: 700;
      font-size: 2.0em; }

.tp_video {
  position: relative;
  aspect-ratio: 16/9;
  width: 100%; }
  /* .tp_video::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    background: url("/jp/RandD/assets/img/activity/tp/ytplay.png") no-repeat 0 0/contain;
    width: 80px;
    height: 80px;
    z-index: 1; } */
  .tp_video a {
    display: block; }
  .tp_video iframe {
    width: 100%;
    aspect-ratio: 16 / 9;
    height: auto; }

.tp_body {
  width: 980px;
  max-width: 100%;
  margin: 0 auto;
  padding-bottom: 4rem; }

.tp_body_head {
  background: #000;
  padding: 8px;
  margin-bottom: 1rem; }

.tp_body_title {
  padding: 1rem 2rem;
  background: #222;
  color: #fff;
  cursor: pointer;
  margin-bottom: 1px; }
  .tp_body_title h3 {
    font-size: 1.3em;
    position: relative;
    line-height: 1.2;
    padding-right: 2rem; }
  .tp_body_title i {
    position: absolute;
    right: 8px;
    top: 50%; }
    .tp_body_title i::before, .tp_body_title i::after {
      content: "";
      position: absolute;
      width: 1rem;
      height: 2px;
      background: #aaa;
      transition-duration: 0.3s; }
    .tp_body_title i::after {
      transform: rotate(90deg); }
  .tp_body_title.open i::after {
    transform: rotate(0deg); }
  .tp_body_title:hover {
    background: #111; }

.tp_body_main {
  background: #292929;
  color: #fff;
  padding: 2rem;
  display: none;
  border-bottom: 3px solid #000; }
  .tp_body_main.open {
    display: block; }
  .tp_body_main dl {
    padding: 0 0 2rem 0; }

.tp_talker_wrap {
  padding: 1rem; }

.tp_talker {
  display: flex;
  align-items: center; }
  .tp_talker figure img {
    width: 100px;
    aspect-ratio: 1 / 1;
    border-radius: 50%; }
  .tp_talker_name {
    padding-left: 2rem;
    font-size: 1.1em;
    font-weight: 400; }

@media (max-width: 768px) {
  .research_insights #hero {
    height: 93.33vw;
    height: 74.67vw; }
    .research_insights #hero .inner {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: center; }
    .research_insights #hero h1 {
      font-size: min(10vw, 64px);
      flex: 0 0 100%;
      text-align: center;
      font-weight: 700; }
    .research_insights #hero h2 {
      padding-top: 1rem;
      margin-bottom: 0; }

  .RD_techpaper_list li a {
    flex-direction: column; }
  .RD_techpaper_list li i {
    flex: auto; }
    .RD_techpaper_list li i strong {
      font-size: 12vw; }

  .tp_slider .RD_techpaper_list li a {
    flex-direction: column;
    align-items: flex-start; }
  .tp_slider .RD_techpaper_list li i strong {
    font-size: 12vw; }
  .tp_slider .RD_techpaper_list .slick-prev {
    left: 0%; }
  .tp_slider .RD_techpaper_list .slick-next {
    right: 0%; } }