@charset "UTF-8";

.page_research_1 #header {
  background: var(--c_blue_2) url(../../img/research/research_header_bg.jpg) center / cover no-repeat;
}
.page_research_1 #main {
  background: url(../../img/research/overview_bg.png) top center no-repeat;
  background-size: contain;
}
.page_research_2 #header {
  background: var(--c_blue_2) url(../../img/research/bg_theme_02.jpg) center / cover no-repeat;
}
.page_research_3 #header {
  background: var(--c_blue_2) url(../../img/research/bg_theme_03.jpg) center / cover no-repeat;
}
.page_research_4 #header {
  background: var(--c_blue_2) url(../../img/research/bg_theme_04.jpg) center / cover no-repeat;
}

#main .inner {
  padding: 120px 0;
}
#overview {
  margin: 100px 0 50px 0;
}
#overview h2 {
  font-size: 48px;
  font-family: var(--font_en);
  text-align: center;
  margin-bottom: -10px;
  background: url(../../img/research/i_title_circle.png) top center no-repeat;
  padding-top: 50px;
}
#overview p.subtitle {
  font-size: 14px;
  font-weight: 700;
  color: var(--c_blue_2);
  margin-top: 0;
}
#overview h2::first-letter {
  font-size: 64px;
  color: #AF8DD9;
}
#overview ul {
  display: flex;
  gap: 32px;
  margin-top: 50px;
}
#overview ul li {
  flex: 1 1 0;
  min-width: 0;
  text-align: center;
}
#overview ul li a {
  display: block;
  border-radius: 20px;
  box-shadow: var(--shadow_s);
  padding: 60px 20px 60px 20px;
  background: #EFEFEF;
}
#overview ul li a:hover {
  box-shadow: 0 0 10px rgba(0, 0, 0, .08);
}
#overview img {
  height: 95px;
  margin: 10px 0 20px 0;
}
#overview p {
  font-size: 13.5px;
  text-align: center;
  line-height: 1.6;
}
#overview p.card_no {
  font-family: var(--font_en);
  font-size: 20px;
  color: var(--c_blue_2);
  font-weight: 500;
}
#overview p.card_title {
  font-size: 15.6px;
  font-weight: 700;
  margin-bottom: 10px;
}
#overview p.card_btn {
  border-radius: 20px;
  background: var(--c_blue_2);
  color: #fff;
  width: 90px;
  padding: 4px 20px 5px 20px;
  margin: 10px auto;
  letter-spacing: normal;
  font-size: 13px;
}

.sub_view h2 {
  display: flex;
  align-items: baseline;
  margin: 0;
}
.sub_view h2 span {
  text-transform: none;
  font-family: var(--font_en);
  font-size: 24px;
  font-weight: 200;
  margin-left: 20px;
}
.sub_view p {
  margin: 0;
  letter-spacing: .18em;
}
/* Research01のみ適用 */
.page_research_1 .sub_view h2 {
  display: block;
  margin-bottom: 50px;
}
.page_research_1 .sub_view h2 span {
  display: block;
  font-size: 14px;
  margin-left: 0;
  font-weight: 400;
}
/* Research02-04のみ適用 */
.page_research_2 .sub_view h2,
.page_research_3 .sub_view h2,
.page_research_4 .sub_view h2 {
  margin-top: 130px;
}
.page_research_2 .sub_view p,
.page_research_3 .sub_view p,
.page_research_4 .sub_view p {
  margin-bottom: 144px;
}


main p {
  letter-spacing: .1em;
  line-height: 1.8;
  margin-bottom: 20px;
}
main p.title {
  color: var(--c_blue_2);
  font-size: 36px;
  font-weight: 320;
  margin-bottom: 50px;
}
main h3 {
  font-size: 24px;
  font-weight: 400;
  margin-top: 100px;
  margin-bottom: 30px;
  padding-left: 50px;
  background: url(../../img/research/i_title_circle_2.png) center left no-repeat;
  background-size: 36px auto;
}
main h3 span {
  font-size: 16px;
  font-family: var(--font_en);
  letter-spacing: .08em;
}
main p+h3 {
  margin-top: 100px;
}
main h4 {
  font-size: 18px;
  color: var(--c_blue_2);
  font-weight: 640;
  background: url(../../img/i_snow.svg) center left no-repeat;
  padding-left: 36px;
  margin-bottom: 30px;
  margin-top: 70px;
}
main figure+h4 {
  margin-top: 50px;
}
em,
strong {
  color: var(--c_blue_2);
  font-weight: 600;
  font-style: normal;
}
a.refs {
  font-family: var(--font_en);
  font-size: 14px;
  border-bottom: 1px dotted #858585;
  background: url(../../img/i_reference.svg) center left no-repeat;
  padding-left: 17px;
  margin: 0 4px;
  letter-spacing: .05em;
}
a.refs:hover {
  color: var(--c_blue_2);
}
a.fig {
  font-size: 14px;
  border-bottom: 1px dotted #858585;
}

figure {
  margin: 0;
}
figure img {
  padding: 30px 40px;
  border: 1px solid #d3d3d3;
  border-radius: 10px;
}
figure p {
  font-size: 13px;
  line-height: 1.2;
  margin-top: 10px;
}
figcaption {
  font-size: 12px;
  margin: 4px 0 0 0;
}
figcaption span {
  background: #ddd;
  border-radius: 4px;
  margin-right: 8px;
  padding: 2px 8px;
  font-size: 11px;
}

figure#fig_02 {
  margin: 50px auto 80px auto;
}
figure#fig_02 figcaption {
  text-align: left;
  padding-left: 120px;
}
figure#fig_07 {
  margin: 50px auto;
}
figure#fig_02 {
  text-align: center;
}
figure#fig_09 {
  margin: 50px auto;
  text-align: center;
}

.box_flex {
  display: flex;
  gap: 40px;
}
.header_design {
  height: 488px;
  background: url(../../img/research/bg_theme_01.jpg) center / cover no-repeat;
}
.header_design h2 {
  font-size: 42px;
  font-weight: 150;
  color: #fff;
  text-shadow: 0 0 5px rgba(0, 0, 0, .3);
  margin-top: 80px;
}
.header_design h2 span.theme {
  font-size: 24px;
  color: #fff;
  font-weight: 200;
  padding-left: 10px;
  text-transform: none;
  letter-spacing: .16em;
}
.header_design h2 span.subtitle {
  display: block;
  font-size: 15px;
  font-weight: 340;
}

#theme_01 h3 {
  background: none;
  padding-left: 0;
}
#theme_03 .box_flex {
  margin-top: 30px;
}
#theme_04 h2 {
  font-size: 38px;
  font-weight: 300;
  margin-top: 100px;
}
#theme_04 h2 span {
  font-size: 18px;
  font-weight: 300;
  letter-spacing: .14em;
  color: var(--c_blue_2);
}
#theme_04 p.sub_title {
  font-size: 20px;
  margin-bottom: 40px;
}
#theme_04 h3 {
  background: url(../../img/research/i_title_border.png) center left no-repeat;
  background-size: 8px auto;
  padding-left: 26px;
  font-size: 20px;
}
#theme_04 h2 {
  font-size: 26px;
  font-weight: 400;
  margin-bottom: 40px;
  background: url(../../img/research/i_title_circle_2.png) center left no-repeat;
  background-size: 37px auto;
  padding-left: 54px;
}
#theme_04 h2 span {
  font-size: 16px;
  font-weight: 400;
  text-transform: none;
}
#theme_04 .box_flex {
  margin-top: 40px;
}

figure#fig_02 {
  margin: 50px auto 80px auto;
}
figure#fig_02 figcaption {
  text-align: left;
  padding-left: 120px;
}
figure#fig_07 {
  margin: 50px auto;
}
figure#fig_02 {
  text-align: center;
}
figure#fig_09 {
  margin: 50px auto;
  text-align: center;
}
figure#fig_14 {
  margin: 20px 0 50px 0;
  text-align: center;
}
figure#fig_14 {
  text-align: left;
  padding-left: 50px;
}
figure#fig_16 {
  text-align: center;
  margin-top: 40px;
}
figure#fig_18 img {
  height: auto;
  padding: 0;
  border: none;
  border-radius: 10px;
}



@media screen and (max-width:768px) {
  #prologue p.title {
    font-size: 22px;
  }

  #overview {
    margin: 50px 0 20px 0;
  }
  #overview h2 {
    font-size: 28px;
    margin-bottom: -5px;

    background-size: 28px auto;
    padding-top: 26px;
  }
  #overview p.subtitle {
    font-size: 13px;
    font-weight: 400;
  }
  #overview h2::first-letter {
    font-size: 38px;
  }
  #overview ul {
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
  }
  #overview ul li {
    min-width: 0;
    text-align: center;
  }
  #overview img {
    height: 70px;
    margin: 10px 0 20px 0;
  }
  #overview p {
    font-size: 12.5px;
  }
  #overview p.card_title {
    font-size: 14.5px;
  }
  .sub_view h2 {
    font-size: 34px;
    margin: 0;
  }
  .sub_view h2 span {
    text-transform: none;
    font-family: var(--font_en);
    font-size: 18px;
    font-weight: 200;
    margin-left: 10px;
  }
  .sub_view p {
    margin: 0;
    letter-spacing: .18em;
  }
  main p.title {
    font-size: 24px;
  }
  main h3 {
    font-size: 20px;
    background: url(../../img/research/i_title_circle.png) top 2px left no-repeat;
    background-size: 28px auto;
    padding-left: 40px;
    line-height: 1.4;
  }
  main h3 span {
    font-size: 14px;
  }
  main p+h3 {
    margin-top: 100px;
  }
  main h4 {
    font-size: 16px;
  }
  main figure+h4 {
    margin-top: 50px;
  }
  figure {
    margin: 40px 0;
  }
  figure img {
    width: 90%;
    height: auto;
    padding: 20px 5%;
    border: 1px solid #d3d3d3;
    border-radius: 10px;
  }
  figure p {
    font-size: 12px;
  }
  figcaption {
    font-size: 11px;
    margin: 4px 0 0 0;
  }

  figure#fig_02 {
    text-align: left;
    margin: 30px auto 80px auto;
  }
  figure#fig_02 figcaption {
    padding-left: 0;
  }
  figure#fig_07 {
    margin: 50px auto;
  }
  figure#fig_08 {
    text-align: left;
  }
  figure#fig_08 img {
    max-width: 180px;
    height: auto;
  }
  figure#fig_09 {
    margin: 50px auto;
    text-align: left;
  }
  figure#fig_14 {
    margin: 20px 0 50px 0;
    text-align: left;
  }
  figure#fig_14 {
    text-align: left;
    padding-left: 0;
  }
  figure#fig_16 {
    text-align: center;
    margin-top: 40px;
  }
  figure#fig_18 img {
    width: 100%;
    max-width: 500px;
    height: auto;
    padding: 0;
    border: none;
    border-radius: 10px;
  }

  .box_flex {
    display: block;
  }
  .header_design {
    height: 488px;
    background: url(../../img/research/bg_theme_01.jpg) center / cover no-repeat;
  }
  .header_design h2 {
    font-size: 36px;
    margin-top: 80px;
    text-align: left;
    letter-spacing: .1em;
  }
  .header_design h2 span.theme {
    font-size: 18px;
  }
  .header_design h2 span.subtitle {
    display: block;
    font-size: 15px;
  }
  #theme_04 h2 {
    font-size: 24px;
    text-align: left;
    font-weight: 400;
    margin-top: 100px;
  }
  #theme_04 h2 span {
    display: block;
    font-size: 14px;
    line-height: normal;
    font-weight: 400;
    letter-spacing: .1em;
  }
}