/* CSS Document */
@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;200;300;400;500;600;700;800;900&family=Noto+Serif+JP:wght@200..900&display=swap");

.hm-jp-font-regular {
  font-family: "HondaGlobalFontJP-Regular", sans-serif;
}

.hm-jp-font-light {
  font-family: "HondaGlobalFontJP-Light", sans-serif;
}

.hm-jp-font-bold {
  font-family: "HondaGlobalFontJP-Bold", sans-serif;
}

.ffm {
  font-family: "Noto Serif JP", serif;
}

.RB {
  font-family: "HondaGlobalFontJP-Regular", sans-serif;
  background: #09112F url("../img/common/bg-body.png");
}

.RB * {
  box-sizing: border-box;
}

.RB em,
.RB i {
  font-style: normal;
}

.RB strong,
.RB b {
  font-family: "HondaGlobalFontJP-Bold", sans-serif;
}

.RB img,
.RB video,
.RB iframe {
  max-width: 100%;
}

.RB .container {
  width: 1080px;
  max-width: 92%;
  margin-left: auto;
  margin-right: auto;
}

.RB section {
  margin-top: 0;
}

.RB .flex {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.RB .col-3 {
  flex: 0 0 28%;
}

.RB .col-4 {
  flex: 0 0 38%;
}

.RB .col-5 {
  flex: 0 0 48%;
}

.RB .col-6 {
  flex: 0 0 58%;
}

.RB .col-7 {
  flex: 0 0 68%;
}

.RB .notes {
  font-size: 12px;
  text-indent: -1em;
  padding-left: 1em;
}

.RB .ti05 {
  text-indent: -0.5em;
}

.RB .text-center {
  text-align: center;
}

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

.RB .fadeIn {
  visibility: hidden;
  opacity: 0;
  transition-duration: 1.0s;
}

.RB .fadeIn.inView {
  visibility: visible;
  opacity: 1;
  transform: translate(0, 0);
}

.RB-btn {
  display: inline-block;
  padding: 8px 3em 8px 2em;
  border: 1px solid #fff;
  position: relative;
}

.RB-btn::after {
  content: "";
  position: absolute;
  width: 8px;
  height: 8px;
  border: 1px solid #fff;
  border-left: 0;
  border-top: 0;
  right: 1em;
  top: calc(50% - 4px);
  rotate: -45deg;
}

.RB-h2 {
  padding-bottom: 2rem;
}

.RB-h2 b {
  position: relative;
  z-index: 2;
  font-family: "Noto Serif JP", serif;
  font-size: 1.6em;
  font-weight: 600;
}

.RB-h2 b::before {
  content: "";
  position: absolute;
  left: -2.50rem;
  top: -2.00rem;
  background: url("../img/common/efx1.png") no-repeat 0 0/contain;
  width: 4rem;
  height: 4rem;
  z-index: 0;
}

.RB-h4 em {
  font-family: "Noto Serif JP", serif;
  font-size: 1.3em;
  font-weight: 600;
  font-style: normal;
}

.RB-kv {
  background: url("../img/top/kv.jpg") no-repeat center center/cover;
  padding: 12rem 6rem 6rem 0;
}

.RB-kv h1 {
  text-align: center;
}

.RB-kv h1 img {
  height: 21vw;
  width: auto;
}

.RB-about {
  background: #0D0D0D url("../img/top/im-about.jpg") no-repeat 0 0;
  background-size: 50vw;
  position: relative;
}

.RB-about::after {
  content: "";
  width: 12em;
  height: 12em;
  position: absolute;
  z-index: 0;
  right: -5em;
  bottom: 8%;
  background: url("../img/common/efx2.png") no-repeat;
  background-size: contain;
}

.RB-about .container {
  width: 50vw;
  margin-left: auto;
  margin-right: 0;
  padding: 8rem 4rem;
  position: relative;
  z-index: 3;
}

.RB-about p {
  font-size: 0.9em;
  line-height: 1.8;
  margin-top: 1rem;
}

.RB-about .flex {
  padding-top: 2rem;
  justify-content: flex-start;
}

.RB-about .flex .col-5 {
  flex: 0 0 auto;
  margin-right: 1em;
}

.RB-title {
  background: #000 url("../img/common/bg-title.png") no-repeat right top/64vw;
}

.RB-title .container {
  display: flex;
  width: auto;
  max-width: 100%;
  align-items: center;
}

.RB-title .title-img {
  flex: 0 0 50%;
  text-align: right;
  line-height: 0;
}

.RB-title .title-img img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.RB-title .title-txt {
  flex: 0 0 50%;
  padding: 6rem 4rem 4rem;
}

.RB-title .title-txt h2 {
  font-size: 0.9em;
}

.RB-title .title-txt h1 {
  line-height: 1.5;
  font-size: 1.8em;
  padding-top: 2rem;
  max-width: 800px;
  font-weight: 700;
}

.RB-title .title-txt h1 span {
  font-size: 0.8em;
  font-weight: 600;
}

.RB-title .title-txt h1 small {
  font-size: 0.7em;
  font-weight: 500;
}

.RB-body {
  padding: 8rem 0 4rem;
  border-bottom: 1px dashed #999;
}

.RB-body .container {
  width: 980px;
}

.RB-body p {
  line-height: 1.8;
  padding-bottom: 1em;
}

.RB-body h4 {
  font-size: 1.1em;
  font-weight: 600;
  padding: 1rem 0 0.5em;
}

.RB-toggles {
  padding: 3rem 0 1rem;
}

.RB-toggles h3 {
  font-weight: 700;
  font-size: 1.4em;
  display: flex;
  line-height: 1.4;
  align-items: flex-start;
}

.RB-toggles h3 strong {
  display: inline-block;
  padding-bottom: 8px;
  border-bottom: 4px solid #e21;
  cursor: pointer;
}

.RB-toggles h3::before {
  content: "";
  flex: 0 0 1em;
  width: 1em;
  height: 1.4em;
  margin-right: 8px;
  background: url("../img/common/i-plus.png") no-repeat left center;
  background-size: contain;
}

.RB-toggles h3:hover {
  color: #d31;
}

.RB-toggles.open h3::before {
  background-image: url("../img/common/i-minus.png");
}

.toggle-body {
  overflow: hidden;
  padding: 2rem 0 0 2rem;
  display: none;
}

.toggle-body h4 {
  font-size: 1.3em;
  padding-bottom: 1rem;
  line-height: 1.3;
  margin-top: 0;
  padding-top: 0;
}

.toggle-body p+h4 {
  margin-top: 2rem;
}

.toggle-body p+h4:first-of-type {
  margin-top: 0;
}

.toggle-body h5 {
  font-size: 1.1em;
  padding-bottom: 1rem;
  margin-top: 1rem;
}

.toggle-body p {
  padding-bottom: 1em;
}

.toggle-body p.pb0 {
  padding-bottom: 0;
}

.toggle-body ol li {
  list-style: decimal;
  list-style-position: inside;
  padding-left: 1.3em;
  text-indent: -1.3em;
  padding-bottom: 1em;
}

.video-area {
  position: relative;
  display: block;
  width: 80%;
  margin: 10px auto 0;
}

.video-area video {
  border-radius: 100px;
  aspect-ratio: 1 / 1;
}

.videotop-cap {
  position: absolute;
  top: 0.3em;
  right: 1em;
  font-size: 2.5rem;
  text-shadow: 1px 1px 0 #ffffff, -1px 1px 0 #ffffff, 1px -1px 0 #ffffff, -1px -1px 0 #ffffff;
}

.alignleft {
  float: left;
  max-width: 44%;
  margin-right: 2rem;
}

.RB-main {
  position: relative;
  margin-bottom: 4rem;
  padding-top: 6rem;
}

.RB-main h1 {
  position: absolute;
  background: #2E3192;
  color: #fff;
  left: 0;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 1em;
}

.RB-main h1 em {
  font-family: "Noto Serif JP", serif;
  font-size: 1.2em;
}

.RB-main h1 i {
  font-style: normal;
  padding: 0 2rem;
  font-size: 2em;
  font-weight: 300;
  font-family: "HondaGlobalFontJP-Light", sans-serif;
}

.RB-main h1 b {
  font-size: 1.1em;
  min-width: 8em;
}

.RB-content {
  margin-bottom: 4rem;
  position: relative;
}

.RB-content::before {
  content: "";
  position: absolute;
  width: 12vw;
  height: 12vw;
  background: url("../img/common/efx3.png") no-repeat;
  background-size: cover;
}

.RB-content .container {
  position: relative;
  width: 1600px;
  max-width: 98%;
}

.RB-content figure {
  max-width: 72%;
  margin-right: auto;
}

.RB-content .content-title {
  position: absolute;
  max-width: 58%;
  right: -1rem;
  top: 20%;
  background: rgba(46, 49, 146, 0.9);
  padding: 3rem 3rem;
  transform: translate(30%, 0);
}

.RB-content .content-title.inview {
  transform: translate(0, 0);
}

.RB-content .cat {
  font-family: "Noto Serif JP", serif;
  margin-bottom: 2rem;
}

.RB-content h2 {
  font-weight: 600;
  font-size: 2em;
  margin-bottom: 2rem;
  line-height: 1.3;
}

.RB-content p {
  line-height: 1.7;
}

.RB-content-L::before {
  right: -4vw;
  top: 4%;
  rotate: 16deg;
}

.RB-content-R::before {
  left: -8vw;
  top: 56%;
}

.RB-content-R figure {
  margin-right: 0;
  margin-left: auto;
}

.RB-content-R .content-title {
  left: -1rem;
  right: auto;
  transform: translate(-30%, 0);
}

.RB-energy .RB-main h1 {
  background: #009245;
}

.RB-energy .content-title {
  background: rgba(0, 146, 69, 0.9);
}

section.RB-tech,
.RB-tech {
  padding: 3rem 0;
}

section.RB-tech h3,
.RB-tech h3 {
  font-weight: 700;
  font-size: 1.4em;
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
}

section.RB-tech h3 strong,
.RB-tech h3 strong {
  display: inline-block;
  padding-bottom: 8px;
  border-bottom: 4px solid #e21;
  cursor: pointer;
}

section.RB-tech p,
.RB-tech p {
  text-align: center;
  line-height: 1.6;
  padding-bottom: 1rem;
}

.RB-EmbodiedAi {
  margin-top: 2rem;
  padding: 3rem;
  background: #D8EDF6;
}

.RB-EmbodiedAi figure {
  position: relative;
  z-index: 2;
}

.RB-EmbodiedAi .flex {
  transform: translateY(-10px);
  position: relative;
  z-index: 1;
}

.RB-EmbodiedAi .flex figure img {
  aspect-ratio: 8 / 3;
  object-fit: cover;
}

.RB-EmbodiedAi .flex ul {
  padding: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
}

.RB-EmbodiedAi .flex li {
  flex: 1;
  text-align: center;
  background: #2E3192;
  padding: 2px 4px;
  font-size: 0.9em;
}

.RB-EmbodiedAi h4 {
  background: #2E3192;
  color: #fff;
  padding: 1rem;
  text-align: center;
  font-size: 1.2em;
}

.RB-Circulation {
  background: #D8F6DF;
}

.RB-Circulation figure {
  padding: 1rem;
}

.RB-Circulation h4 {
  background: #019245;
  max-width: 80%;
  margin: 0 auto;
}

.RB-Circulation div figure {
  background: url("../img/energy/techbg.png") no-repeat bottom;
  background-size: 100%;
}

.RB-menu {
  padding: 8rem 0;
  text-align: center;
}

.RB-menu h4 {
  margin-top: 4rem;
  text-align: left;
}

.menu-content {
  margin-top: 1rem;
  background: #fff;
  padding: 1rem;
  display: flex;
  align-items: center;
  text-align: left;
  color: #222;
  position: relative;
}

.menu-content dt {
  flex: 0 0 20%;
}

.menu-content dd {
  padding: 0 2rem;
}

.menu-content dd::after {
  position: absolute;
  right: 1px;
  bottom: 1px;
  content: "";
  width: 12px;
  height: 12px;
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  background: #333;
}

.menu-content dd span {
  font-size: 0.7em;
}

.menu-content dd h3 {
  padding: 8px 0;
  font-size: 1.2em;
}

.menu-future {
  display: flex;
  justify-content: space-between;
  padding-top: 2rem;
  padding-bottom: 4rem;
}

.menu-future-c,
.menu-future-e {
  flex: 0 0 46%;
}

.menu-future-c dd,
.menu-future-e dd {
  padding: 1em;
  display: flex;
  justify-content: center;
  position: relative;
  background: #2E3192;
}

.menu-future-c dd::before,
.menu-future-c dd::after,
.menu-future-e dd::before,
.menu-future-e dd::after {
  content: "";
  position: absolute;
  left: 0;
  top: 100%;
  width: 32px;
  height: 8px;
  background: #6FD8D1;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.menu-future-c dd::after,
.menu-future-e dd::after {
  left: auto;
  right: 0;
  clip-path: polygon(0 0, 100% 0, 0 100%);
}

.menu-future-c dd em,
.menu-future-e dd em {
  font-family: "Noto Serif JP", serif;
  font-size: 1.2em;
}

.menu-future-c dd i,
.menu-future-e dd i {
  font-style: normal;
  padding: 0 2rem;
  font-size: 2em;
  font-weight: 300;
  font-family: "HondaGlobalFontJP-Light", sans-serif;
}

.menu-future-c dd b,
.menu-future-e dd b {
  font-size: 1.1em;
}

.menu-future-e dd {
  background: #009245;
}

.menu-future-e dd::before,
.menu-future-e dd::after {
  background: #80D96F;
}

@media (max-width: 1240px) {
  .RB-content {
    margin-bottom: 16vw;
  }

  .RB-content figure {
    max-width: 88%;
  }

  .RB-content .content-title {
    max-width: 72%;
    top: 20%;
    z-index: 2;
  }
}

@media (max-width: 1024px) {
  .RB-main {
    padding-top: 4rem;
  }
}

@media (max-width: 768px) {
  .RB .pc {
    display: none;
  }

  .RB .sp {
    display: block;
  }

  .RB br.sp {
    display: inline;
  }

  .RB .flex {
    display: block;
  }

  .RB-kv h1 img {
    height: 44vw;
  }

  .RB-about {
    background-size: 100vw;
  }

  .RB-about .container {
    width: auto;
    margin-right: auto;
    padding: 8vw;
    background: rgba(0, 0, 0, 0.6);
  }

  #load-RBmenu {
    padding-top: 4vw;
  }

  .RB-menu {
    padding: 16vw 0 8vw 0;
  }

  .menu-future {
    display: block;
    padding-bottom: 0;
  }

  .menu-future-c {
    margin-bottom: 2rem;
  }

  .RB-main {
    padding-top: 0;
  }

  .RB-main h1 {
    transform: translateY(-50%);
  }

  .RB-EmbodiedAi {
    padding: 4vw;
  }

  .RB-EmbodiedAi .col-5 {
    margin-bottom: 1em;
  }

  .RB-content {
    margin-bottom: 4rem;
  }

  .RB-content figure {
    max-width: 100%;
  }

  .RB-content .content-title {
    max-width: 100%;
    position: static;
    padding: 6vw 6vw;
  }

  .RB-title .container {
    display: block;
  }

  .RB-title .title-txt {
    padding: 8vw;
  }

  .RB-title .title-txt h1 {
    padding-top: 0;
  }

  .RB-body {
    padding: 8vw 0;
  }
}

@media (max-width: 480px) {
  .menu-content {
    padding: 0;
    align-items: stretch;
  }

  .menu-content dt {
    display: flex;
    flex: 0 0 24%;
  }

  .menu-content dt i {
    padding: 1px;
    display: flex;
  }

  .menu-content dt img {
    object-fit: cover;
  }

  .menu-content dd {
    padding: 1rem;
  }

  .menu-content dd h3 {
    font-size: 1em;
  }

  .RB-main h1 {
    position: relative;
    transform: translate(0, 0);
    top: 0;
    flex-wrap: wrap;
  }

  .RB-main h1 i {
    padding: 0 8px;
  }

  .RB-main h1 b {
    min-width: 1em;
  }

  .RB-title .title-txt {
    padding: 8vw 4vw;
  }

  .RB-title .title-txt h1 {
    font-size: clamp(16px, 6.4vw, 24px);
  }

  .RB-content h2 {
    font-size: clamp(15px, 5.2vw, 30px);
  }

  section.RB-tech p,
  .RB-tech p {
    text-align: left;
  }

  .alignleft {
    float: none;
    margin: 0 0 1rem;
    max-width: 100%;
  }
}