@charset "UTF-8";
main {
  font-weight: 500;
  background-color: #FAFAFA;
  padding: 108px 0 80px;
}

.mv__inr {
  position: relative;
}
.mv__bg {
  display: grid;
  height: 480px;
  overflow: hidden;
}
.mv__bg img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.mv__contents {
  display: grid;
  text-align: center;
  width: 100%;
  color: #fff;
  position: absolute;
  top: 50%;
  left: 50%;
  translate: -50% -50%;
}
.mv__ttl {
  font-weight: 700;
  font-size: 0.875rem;
  margin-top: 16px;
}
.mv__txt {
  font-size: 0.75rem;
}

.about {
  padding: 80px 0 60px;
}
.about__txt {
  font-size: 0.9375rem;
  text-align: center;
}
.about__txt .is-strong {
  font-weight: 700;
  font-size: 1.75rem;
  color: #002076;
}
.about__main {
  margin-top: 36px;
  position: relative;
}
.about__main .swiper-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  bottom: -28px;
}
.about__main .swiper-pagination-bullet {
  width: 6px;
  height: 6px;
  background-color: #D9D9D9;
  opacity: 1;
  margin: 0 !important;
  transition: width 0.3s ease-out, height 0.3s ease-out, background-color 0.3s ease-out;
}
.about__main .swiper-pagination-bullet-active {
  width: 11px;
  height: 11px;
  background-color: #002076;
}
.about__slider-item {
  border-radius: 16px;
  overflow: hidden;
}
.about__slider-item img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}

.feature {
  background-color: #fff;
  padding: 40px 0;
}
.feature + .feature {
  margin-top: 60px;
}
.feature__block01 {
  display: grid;
  gap: 24px;
}
.feature__block01-img01 {
  width: 178px;
  margin-left: 100px;
  position: relative;
}
.feature__block01-img01::after {
  content: "";
  display: block;
  width: 38.65%;
  aspect-ratio: 88/132;
  background: url(/product/functional_raw_material/octair/assets/img/img_feature_01_arrow.svg) no-repeat center/contain;
  position: absolute;
  top: 63.91%;
  left: -21.73%;
}
.feature__block01-box01 {
  display: grid;
  gap: 20px;
  margin-top: 54px;
}
.feature__block01-box02 {
  display: grid;
  align-items: center;
  gap: 15px 30px;
  margin-top: 32px;
}
.feature__block02 {
  padding-top: 60px;
}
.feature__block02-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 60px 20px;
}
.feature__block02-item {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: span 2;
  gap: 12px;
  position: relative;
}
.feature__block02-num {
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  font-size: 3.75rem;
  line-height: 1.1;
  color: #002076;
  position: absolute;
  top: -32px;
  left: 20px;
}
.feature__block02-txt {
  font-size: 0.9375rem;
}
.feature__block02-txt .is-strong {
  font-weight: 700;
  color: #002076;
}
.feature__block02-note {
  font-size: 0.625rem;
}
.feature__block03 {
  display: grid;
  gap: 40px 0;
  margin-top: 32px;
}
.feature__block03-txt {
  width: -moz-fit-content;
  width: fit-content;
  font-weight: 700;
  font-size: 0.875rem;
  letter-spacing: 0.026em;
  color: #002076;
  margin-inline: auto;
}
.feature__block03-img01 {
  text-align: center;
  margin: 10px auto 12px;
}
.feature__block03-group {
  display: grid;
  gap: 20px;
}
.feature__block03-body {
  display: grid;
  align-items: start;
  gap: 20px;
  padding-top: 16px;
}
.feature__block03-row {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 8px;
}
.feature__block03-row .is-note {
  font-size: 0.625rem;
}
.feature__block03-img02 {
  width: -moz-fit-content;
  width: fit-content;
  margin: 7px 0 0;
  position: relative;
}
.feature__block03-img02::after {
  content: "";
  display: block;
  width: 42px;
  aspect-ratio: 33/147;
  background: url(/product/functional_raw_material/octair/assets/img/img_feature_03_arrow_sp.svg) no-repeat center/contain;
  position: absolute;
  top: 92px;
  left: -12px;
}
.feature__block04 {
  padding-top: 24px;
}
.feature__block04-group {
  display: grid;
}
.feature__block04-img {
  position: relative;
}
.feature__block04-img::after {
  content: "";
  display: block;
  width: 44px;
  aspect-ratio: 44/170;
  background: url(/product/functional_raw_material/octair/assets/img/img_feature_04_arrow_sp.svg) no-repeat center/contain;
  position: absolute;
  top: 52%;
  right: 18%;
}
.feature__block04-body {
  display: grid;
  gap: 40px;
}
.feature__block04-unit .m-heading-02 {
  margin-bottom: 8px;
}
.feature__block04-txt {
  font-weight: bold;
  font-size: 0.9375rem;
  margin-bottom: 8px;
}
.feature__block04-box {
  margin-top: 40px;
}

.active {
  background-color: color-mix(in srgb, #DAE0F2 50%, transparent);
  padding: 40px 0 16px;
}
.active__block01 {
  display: grid;
  justify-content: center;
  align-items: center;
  gap: 20px;
  margin-top: 40px;
  position: relative;
  z-index: 2;
}
.active__block01-ttl {
  font-family: "Montserrat", sans-serif;
  font-weight: 400;
  font-size: 4rem;
  line-height: 1;
  color: #EF7B3A;
}
.active__block01-txt {
  font-size: 1rem;
  color: #002076;
  margin-top: 8px;
}
.active__block02 {
  display: grid;
  padding-top: 28px;
}
.active__block02-item {
  position: relative;
}
.active__block02-item.is-item01 .active__block02-txt {
  width: 92%;
  max-width: 775px;
  aspect-ratio: 775/154;
  top: -5%;
  left: 5%;
}
.active__block02-item.is-item02 .active__block02-txt {
  width: 59%;
  max-width: 486px;
  aspect-ratio: 486/154;
  bottom: 0;
  left: 25%;
}
.active__block02-item.is-item03 .active__block02-txt {
  width: 59%;
  max-width: 507px;
  aspect-ratio: 507/154;
  top: 5%;
  right: 5%;
}
.active__block02-img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.active__block02-txt {
  position: absolute;
  z-index: 1;
}
.active__block03 {
  display: grid;
  padding-top: 60px;
}
.active__block03-item {
  position: relative;
}
.active__block03-item.is-item01 {
  display: grid;
  grid-template-columns: 60% 40%;
}
.active__block03-item.is-item01 .active__block03-txt {
  width: 100%;
  max-width: 925px;
  aspect-ratio: 925/153;
}
.active__block03-item.is-item02 {
  display: grid;
}
.active__block03-item.is-item02 .active__block03-txt {
  width: 48%;
  max-width: 421px;
  aspect-ratio: 421/146;
  bottom: 118px;
  right: 22%;
}
.active__block03-item.is-item03 {
  display: grid;
  grid-template-columns: 36% 64%;
}
.active__block03-item.is-item03 .active__block03-txt {
  width: 40%;
  max-width: 329px;
  aspect-ratio: 329/153;
  bottom: 118px;
  left: 23%;
}
.active__block03-img {
  display: grid;
}
.active__block03-img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.active__block03-txt {
  position: absolute;
  z-index: 1;
}
.active__block03-unit {
  width: 100%;
  color: #002076;
}
.active__block03-ttl {
  font-weight: 700;
  font-size: 1.125rem;
  line-height: 1.2;
}
.active__block03-subtxt {
  font-size: 0.75rem;
  margin-top: 6px;
}

.relax {
  background-color: color-mix(in srgb, #FFD0B3 50%, transparent);
  padding: 40px 0;
}
.relax__block01 {
  display: grid;
  gap: 24px;
  padding-top: 20px;
}
.relax__block01.is-padding {
  gap: 12px 20px;
  padding-top: 40px;
}
.relax__block01-ttl {
  font-size: 1.25rem;
  line-height: 1.2;
  color: #002076;
  margin-bottom: 8px;
}
.relax__block01-ttl.is-large {
  font-size: 1.5rem;
}
.relax__block01-img {
  margin-top: 20px;
}
.relax__block01-txt01 {
  display: grid;
  gap: 1.5em;
  font-size: 0.6875rem;
  margin-top: 20px;
}
.relax__block01-txt01 ul > li {
  display: grid;
  grid-template-columns: 1em 1fr;
}
.relax__block01-txt01 ul > li::before {
  content: "・";
}
.relax__block01-txt02 {
  display: grid;
  gap: 20px;
  font-size: 0.75rem;
}
.relax__block01-txt02 .is-note {
  font-size: 0.625rem;
}
.relax__block02-unit {
  margin-bottom: 16px;
}
.relax__block02-ttl {
  font-size: 1.25rem;
  line-height: 1.2;
  color: #002076;
  margin-bottom: 4px;
}
.relax__block02-txt {
  font-size: 0.75rem;
}
.relax__block02-group {
  display: grid;
  align-items: start;
  gap: 30px;
}
.relax__block02-list {
  font-size: 0.6875rem;
  margin-top: 16px;
}
.relax__block03 {
  display: grid;
  gap: 24px;
  padding-top: 40px;
}
.relax__block03-ttl {
  font-size: 1.25rem;
  line-height: 1.2;
  color: #002076;
  margin-bottom: 8px;
}
.relax__block03-txt {
  font-size: 0.75rem;
}

.environment {
  padding-top: 80px;
}
.environment__block01 {
  padding-bottom: 40px;
}
.environment__block01-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-top: 30px;
}
.environment__block01-img img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.environment__block01-box {
  width: -moz-fit-content;
  width: fit-content;
  margin-top: 40px;
}
.environment__block01-txt {
  font-size: 0.875rem;
}
.environment__block01-ttl {
  font-size: 1.25rem;
  line-height: 1.25;
  color: #002076;
  margin-top: 8px;
}
.environment__block02 {
  background-color: #fff;
  padding: 40px 0;
}
.environment__block02-contents {
  margin-top: 60px;
  position: relative;
}
.environment__block02-picture {
  width: 100%;
  position: absolute;
  top: 40px;
  left: 0;
  right: 0;
}
.environment__block02-picture img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
  object-fit: cover;
}
.environment__block02-box01 {
  display: grid;
  place-content: center;
  max-width: 420px;
  aspect-ratio: 1/1;
  margin-inline: auto;
  position: relative;
}
.environment__block02-bg {
  position: absolute;
  inset: 0;
}
.environment__block02-bg .is-circle {
  position: absolute;
  inset: 0;
  z-index: 2;
}
.environment__block02-inr {
  display: grid;
  justify-content: center;
  align-items: center;
  gap: 16px;
  width: 100%;
  max-width: 250px;
  height: 100%;
  position: relative;
  z-index: 3;
}
.environment__block02-img {
  text-align: center;
}
.environment__block02-txt {
  font-size: 0.8125rem;
}
.environment__block02-row {
  display: grid;
  gap: 24px;
  max-width: 980px;
}
.environment__block02-box02 {
  display: grid;
  justify-content: center;
  align-content: start;
  width: -moz-fit-content;
  width: fit-content;
  max-width: 90%;
  gap: 16px;
  background-color: #F3F6F8;
  border-radius: 12px;
  padding: 40px 16px;
  position: relative;
}
@media screen and (min-width: 768px){
  main {
    padding: 166px 0 200px;
  }
  .mv__bg {
    height: 540px;
  }
  .mv__ttl {
    font-size: 1.25rem;
    margin-top: 32px;
  }
  .mv__txt {
    font-size: 1.125rem;
    margin-top: 8px;
  }
  .about {
    padding: 168px 0 132px;
  }
  .about__txt {
    font-size: 1.25rem;
  }
  .about__main {
    margin-top: 72px;
  }
  .about__main .swiper-pagination {
    gap: 20px;
    bottom: -56px;
  }
  .about__main .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
  }
  .about__main .swiper-pagination-bullet-active {
    width: 16px;
    height: 16px;
  }
  .about__slider {
    margin-right: min(-20px, (100vw - min(1180px, 100vw)) / -2);
  }
  .feature {
    padding: 80px 0;
  }
  .feature + .feature {
    margin-top: 120px;
  }
  .feature__block01 {
    grid-template-columns: minmax(200px, 506px) minmax(55%, 1fr);
  }
  .feature__block01-img01 {
    width: 35.385%;
    margin-left: 42%;
  }
  .feature__block01-box01 {
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
    margin-top: 32px;
  }
  .feature__block01-group {
    flex: 0 0 290px;
  }
  .feature__block01-img02 {
    padding-top: 24px;
  }
  .feature__block01-box02 {
    grid-template-columns: minmax(min-content, 213px) minmax(auto, 354px);
    justify-content: end;
    margin-top: 64px;
  }
  .feature__block01-box02 .feature__block01-group {
    padding-bottom: 20px;
    order: 1;
  }
  .feature__block02 {
    padding-top: 140px;
  }
  .feature__block02-list {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .feature__block02-item {
    gap: 24px;
  }
  .feature__block02-num {
    font-size: 4.5rem;
    top: -47px;
  }
  .feature__block02-txt {
    font-size: 1.125rem;
  }
  .feature__block02-note {
    font-size: 0.75rem;
  }
  .feature__block03 {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 75px;
  }
  .feature__block03-box.is-column {
    flex: 0 0 376px;
  }
  .feature__block03-box.is-row {
    order: 1;
  }
  .feature__block03-txt {
    font-size: 1.125rem;
  }
  .feature__block03-txt.is-mt {
    margin-top: 16px;
  }
  .feature__block03-img01 {
    width: -moz-fit-content;
    width: fit-content;
    margin: 21px auto 32px;
  }
  .feature__block03-group {
    grid-template-columns: minmax(auto, 280px) 400px;
    justify-content: end;
    align-items: start;
    gap: 30px;
    min-width: 680px;
  }
  .feature__block03-body {
    gap: 60px;
    padding-top: 11px;
  }
  .feature__block03-row {
    margin-bottom: 16px;
  }
  .feature__block03-row .is-note {
    font-size: 0.75rem;
  }
  .feature__block03-img02 {
    margin: 7px auto 12px;
  }
  .feature__block03-img02::after {
    width: 76px;
    aspect-ratio: 76/46;
    background: url(/product/functional_raw_material/octair/assets/img/img_feature_03_arrow.svg) no-repeat center/contain;
    top: 50px;
    left: -48px;
  }
  .feature__block04 {
    padding-top: 118px;
  }
  .feature__block04-group {
    grid-template-columns: auto auto;
    justify-content: end;
    align-items: start;
    gap: min(13%, 127px);
  }
  .feature__block04-img {
    margin-top: 10px;
  }
  .feature__block04-img::after {
    width: 43.42%;
    aspect-ratio: 152/114;
    background: url(/product/functional_raw_material/octair/assets/img/img_feature_04_arrow.svg) no-repeat center/contain;
    top: 9.4%;
    right: -29.14%;
  }
  .feature__block04-unit .m-heading-02 {
    margin-bottom: 16px;
  }
  .feature__block04-txt {
    font-size: 1.25rem;
    margin-bottom: 14px;
  }
  .active {
    padding: 80px 0;
  }
  .active__block01 {
    grid-template-columns: minmax(280px, 400px) auto;
    padding-right: min(80px, 7%);
    margin-top: 115px;
  }
  .active__block01-ttl {
    font-size: 5rem;
  }
  .active__block01-txt {
    font-size: 1.375rem;
  }
  .active__block02 {
    grid-template-columns: 1fr 1fr 1fr;
    padding-top: 48px;
  }
  .active__block02-item.is-item01 .active__block02-txt {
    width: 160%;
    top: max(-74px, -23.36%);
    left: 9.95%;
  }
  .active__block02-item.is-item02 .active__block02-txt {
    width: 100.8%;
    left: 9.95%;
  }
  .active__block02-item.is-item03 .active__block02-txt {
    width: 105.1%;
    top: -5px;
    right: 8.3%;
  }
  .active__block03 {
    grid-template-columns: 19% 23.69% 18.48% 38.83%;
    align-items: start;
  }
  .active__block03-item.is-item01 {
    grid-template-columns: 68.87% 31.13%;
    align-items: end;
    grid-column: 1/4;
  }
  .active__block03-item.is-item01 .active__block03-txt {
    width: 98.6%;
    bottom: 0;
    left: 0;
  }
  .active__block03-item.is-item01 .active__block03-unit {
    top: 106.23%;
    left: 5.4%;
  }
  .active__block03-item.is-item02 {
    justify-items: end;
    grid-column: 4/5;
    grid-row: 1/3;
  }
  .active__block03-item.is-item02 .is-img02 {
    width: 46.61%;
  }
  .active__block03-item.is-item02 .active__block03-txt {
    width: 83.86%;
    bottom: 48.6%;
    right: 0;
  }
  .active__block03-item.is-item02 .active__block03-unit {
    top: 55%;
    left: 3%;
  }
  .active__block03-item.is-item03 {
    grid-template-columns: 36.67% 63.33%;
    grid-column: 2/4;
  }
  .active__block03-item.is-item03 .active__block03-txt {
    width: 48.45%;
    bottom: 0;
    left: 21.5%;
  }
  .active__block03-item.is-item03 .active__block03-unit {
    bottom: 10px;
    left: 102.39%;
  }
  .active__block03-unit {
    position: absolute;
    z-index: 1;
  }
  .active__block03-ttl {
    font-size: 1.3194444444vw;
  }
  .active__block03-subtxt {
    font-size: 0.9722222222vw;
    margin-top: 0.8333333333vw;
  }
  .relax {
    padding: 80px 0;
  }
  .relax__block01 {
    grid-template-columns: 1fr 1fr;
    align-items: start;
    padding-top: 70px;
  }
  .relax__block01.is-padding {
    gap: 24px 40px;
    padding-top: 120px;
  }
  .relax__block01-ttl {
    font-size: 2rem;
  }
  .relax__block01-ttl.is-large {
    font-size: 2.25rem;
  }
  .relax__block01-img {
    margin-top: 40px;
  }
  .relax__block01-txt01 {
    font-size: 0.8125rem;
    margin-top: 40px;
  }
  .relax__block01-txt02 {
    gap: 40px;
    font-size: 0.875rem;
  }
  .relax__block01-txt02 .is-note {
    font-size: 0.6875rem;
  }
  .relax__block01-picture {
    order: -1;
  }
  .relax__block02-unit {
    margin-bottom: 32px;
  }
  .relax__block02-ttl {
    font-size: 2rem;
    margin-bottom: 8px;
  }
  .relax__block02-txt {
    font-size: 0.875rem;
  }
  .relax__block02-group {
    grid-template-columns: minmax(280px, 476px) minmax(54.237%, 1fr);
    gap: 60px;
  }
  .relax__block02-list {
    font-size: 0.8125rem;
    margin-top: 27px;
  }
  .relax__block02-picture {
    order: -1;
  }
  .relax__block03 {
    grid-template-columns: minmax(350px, 680px) minmax(36.84%, 1fr);
    gap: min(80px, 7%);
    padding-top: 110px;
  }
  .relax__block03-unit {
    order: 1;
  }
  .relax__block03-ttl {
    font-size: 2rem;
    margin-bottom: 16px;
  }
  .relax__block03-txt {
    font-size: 0.875rem;
  }
  .environment {
    padding-top: 190px;
  }
  .environment__block01 {
    padding-bottom: 92px;
  }
  .environment__block01-row {
    margin-top: 62px;
  }
  .environment__block01-box {
    margin: 80px 0 0 auto;
  }
  .environment__block01-txt {
    font-size: 1.125rem;
  }
  .environment__block01-ttl {
    font-size: 2rem;
    margin-top: 16px;
  }
  .environment__block02 {
    padding: 80px 0;
  }
  .environment__block02-contents {
    margin-top: 120px;
  }
  .environment__block02-picture {
    aspect-ratio: 1180/480;
  }
  .environment__block02-bg .is-left {
    position: absolute;
    bottom: 25px;
    left: 25px;
    z-index: 1;
  }
  .environment__block02-bg .is-right {
    position: absolute;
    bottom: 25px;
    right: 25px;
    z-index: 1;
  }
  .environment__block02-inr {
    gap: 32px;
    max-width: 280px;
  }
  .environment__block02-txt {
    font-size: 1rem;
  }
  .environment__block02-row {
    grid-template-columns: auto auto;
    justify-content: space-between;
    margin: max(-100px, -9%) auto 0;
  }
  .environment__block02-box02 {
    gap: 24px;
    max-width: 340px;
    border-radius: 16px;
    padding: 78px 30px 55px;
  }
}
@media screen and (max-width: 767px){
  .mv__contents {
    padding: 5px;
  }
  .mv__img {
    width: 140px;
    margin-inline: auto;
  }
  .mv__ttl {
    letter-spacing: -0.04em;
  }
  .mv__txt {
    max-width: 260px;
    margin: 16px auto 0;
  }
  .feature__block03-box {
    width: -moz-fit-content;
    width: fit-content;
  }
  .feature__block03-box.is-column {
    padding-left: 20px;
  }
  .feature__block03-box.is-row {
    padding-left: 18px;
    margin-right: -10px;
  }
  .feature__block04-img {
    width: 260px;
  }
  .feature__block04-body {
    gap: 20px;
    padding: 16px 16px 0 16px;
  }
  .feature__block04-box {
    margin: 20px -16px 0;
  }
  .active__block03-item.is-item01 .active__block03-txt {
    top: 0;
    left: 0;
  }
  .active__block03-item.is-item02 {
    grid-template-columns: 72% 28%;
  }
  .active__block03-unit {
    grid-column: 1/3;
    padding: 12px 5% 24px;
    position: relative;
  }
  .relax__block02 {
    padding-top: 40px;
  }
  .environment__block02-picture {
    height: 80%;
  }
  .environment__block02-box01 {
    padding: 10px 10px 40px;
  }
  .environment__block02-img.is-width {
    max-width: 130px;
    margin-inline: auto;
  }
  .environment__block02-row {
    margin-top: -40px;
    position: relative;
    z-index: 3;
  }
  .environment__block02-box02 {
    margin-inline: auto;
  }
}