/*==============================================================
HOME
==============================================================*/
/*fv*/
.fv {
  background-color: #000;
}

.fv-line-img img {
  height: 10px;
}

.fv-main {
  position: relative;
  padding: 10px 10px;

  @media screen and (max-width: 991px) {
    padding: 32px;
  }

  @media screen and (max-width: 991px) {
    padding: 72px 12px 12px;
  }

  .fv-main-img {
    & video {
      border-radius: 10px;
      width: 100%;
      height: 100vh;
      object-fit: cover;
      object-position: left;
      border-radius: 10px;
      overflow: hidden;

      @media screen and (max-width: 1560px) {
        height: 100%;
      }

      @media screen and (max-width: 991px) {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: left;
      }
    }
  }
}

.fv-main-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  position: absolute;
  bottom: 8%;
  left: 50%;
  transform: translateX(-50%);
  width: 95%;

  @media screen and (max-width: 991px) {
    width: 86%;
    flex-direction: column-reverse;
    bottom: 4%;
  }

  @media screen and (max-width: 560px) {
    width: 100%;
    position: unset;
    transform: unset;
    align-items: flex-start;
  }
}

.fv-main-txt {
}

.fv-main-txt h1 {
  font-size: clamp(2rem, 1.3523rem + 2.7273vw, 4.625rem);
  color: #fff;
  font-weight: 500;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
  line-height: 1.2;
  font-family: "ab-ootori", sans-serif;
  margin-bottom: 4px;
  letter-spacing: 0.05em;

  @media screen and (max-width: 560px) {
    font-size: 26px;
    padding: 4px 0 8px;
  }
}

.fv-main-en {
  font-size: clamp(0.75rem, 0.5649rem + 0.7792vw, 1.5rem);
  color: #fff;
  font-weight: 600;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.fv-main-deco {
  position: relative;

  @media screen and (max-width: 560px) {
    display: none;
  }
}

.fv-main-circle {
  animation: rotate-circle 20s linear infinite;
}

@keyframes rotate-circle {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.fv-main-arrow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.fv-main-arrow img {
  max-width: 12px;
}

/*---------------------about-us---------------------*/
.about-us-bg {
  background: url(../assets/img/home/about-bg.png) center / cover no-repeat;
  width: 100%;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
}

.about-us .box {
  max-width: 1720px;
}

.about-us .item {
  display: flex;
  flex-direction: column;
  gap: 40px;

  @media screen and (max-width: 991px) {
    gap: 24px;
  }
}

.about-us-ttl h2 {
  font-size: clamp(2rem, 1.5065rem + 2.0779vw, 4rem);
  font-weight: 600;
  line-height: 1;
}

.about-us-ttl p {
  font-size: clamp(0.875rem, 0.7208rem + 0.6494vw, 1.5rem);
  font-weight: 400;
}

.about-us-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-us-content-ttl-cont {
  display: flex;
  flex-direction: column;
  gap: 32px;

  @media screen and (max-width: 991px) {
    gap: 16px;
  }
}

.about-us-content-ttl {
  color: #1d3156;
  font-size: clamp(1.5rem, 1.2532rem + 1.039vw, 2.5rem);
}

.about-us-content-ttl-en {
  color: #cbcbcb;
  font-size: 0.8rem;
}

.about-us-content-des {
  max-width: 90%;
  margin: 0 auto;

  @media screen and (max-width: 991px) {
    max-width: 100%;
  }
}

.about-us-content-box {
  background-color: #f8f8f8;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.about-us-content-item-cont {
  display: flex;
  gap: 16px;

  @media screen and (max-width: 991px) {
    flex-direction: column;
  }
}

.about-us-content-item {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background-color: #fff;
  border-radius: 10px;
  padding: 2%;
  flex: 1;

  @media screen and (max-width: 991px) {
    padding: 4%;
  }
}

.about-us-content-item-ttl-en {
  font-size: 0.8rem;
  color: #acbfe3;
}

.about-us-content-item-ttl-jp {
  font-size: clamp(1.125rem, 1.0942rem + 0.1299vw, 1.25rem);
}

.about-us-content-item-goal {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 180px;
  background-image: url("../assets/img/home/about-us-content-item-goal-bg.png");
  background-position: center;
  background-size: contain;
  background-repeat: no-repeat;

  @media screen and (max-width: 991px) {
    height: 100px;
  }
}

.about-us-content-item-goal-ttl {
  font-size: clamp(1.125rem, 1.0942rem + 0.1299vw, 1.25rem);
  padding: 32px 4px;
  color: #1d3156;
}

.about-bg-01 {
  background: linear-gradient(to bottom, #000 70%, #545454 100%);
}

.about-main-item {
  display: flex;
  align-items: center;
  gap: 60px;

  @media screen and (max-width: 991px) {
    flex-direction: column;
    gap: 32px;
  }
}

.about-main-left {
  display: flex;
  flex-direction: column;
  gap: 80px;
  flex: 1;

  @media screen and (max-width: 991px) {
    gap: 24px;
  }
}

.about-main-ttl {
  display: flex;
  flex-direction: column;
  gap: 10px;

  @media screen and (max-width: 991px) {
    align-items: center;
  }
}

.about-main-ttl-en-top-icon {
  padding-top: 12px;
}

.about-main-ttl-en-top {
  display: flex;
  gap: 8px;
}

.about-main-ttl-en {
  font-size: clamp(3.25rem, 1.6667rem + 3.2986vw, 5.625rem);
  line-height: 1;
}

.about-main-ttl-jp {
  font-size: clamp(0.875rem, 0.7208rem + 0.6494vw, 1.5rem);
  padding: 16px 40px 0;

  @media screen and (max-width: 991px) {
    padding: 16px 0px 0;
  }
}

.about-main-ttl-line {
  display: flex;
  padding-top: 16px;
}

.about-main-ttl-line-01 {
  border: 1px solid #1d3156;
  flex: 1;
}

.about-main-ttl-line-02 {
  border: 1px solid #00582d;
  flex: 1;
}

.about-main-des-cont {
  display: flex;
  flex-direction: column;
  gap: 40px;

  @media screen and (max-width: 991px) {
    align-items: center;
    gap: 24px;
  }
}

.about-main-des {
  line-height: 1.8;
}

.home-btn {
  background-color: #fff;
  padding: 16px 24px;
  border-radius: 50px;
  color: #333;
  width: 100%;
  max-width: 140px;
  display: block;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  font-size: 18px;
  min-width: 210px;
}

.about-us {
  .home-btn {
    letter-spacing: 0.25em;
  }
}

.home-btn:hover {
  transform: scale(1.05);
}

.about-main-right {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 48%;

  @media screen and (max-width: 991px) {
    width: 100%;
  }
}

.about-main-right img {
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(255, 255, 255, 0.4);
}

.about-main-right-img-02 {
  padding-right: 40px;

  @media screen and (max-width: 991px) {
    padding-right: 0px;
  }
}

.group-company .cont {
  padding: 120px 32px;

  @media screen and (max-width: 1280px) {
    padding: 80px 40px;
  }

  @media screen and (max-width: 991px) {
    padding: 80px 32px;
  }

  @media screen and (max-width: 991px) {
    padding: 40px 16px;
  }
}

.group-company img {
  border-radius: 10px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.group-item {
  display: flex;
  gap: 40px;
  padding-bottom: 16px;
  margin-bottom: 80px;
  border-bottom: 1px solid #ececec;
  align-items: flex-start;

  @media screen and (max-width: 991px) {
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
  }
}

.group-main-ttl {
  width: 38%;

  @media screen and (max-width: 560px) {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}

.group-main-ttl-en {
  font-size: clamp(2rem, 1.5065rem + 2.0779vw, 4rem);
}

.group-main-des {
  flex: 1;

  & p {
    line-height: 1.6;
  }
}

.group-main-content {
  display: flex;
  flex-direction: column;
  gap: 80px;
  width: 100%;
  max-width: 90%;
  margin: 0 auto;

  @media screen and (max-width: 991px) {
    gap: 32px;
  }

  @media screen and (max-width: 560px) {
    max-width: 100%;
  }
}

.group-main-hardware {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;

  @media screen and (max-width: 991px) {
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
  }
}
/*
.group-main-hardware::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 105%;
  height: 60%;
  background: linear-gradient(135deg, #1d3156, #526d9c);
  border-radius: 4px;
  z-index: -2;
  opacity: 0.2;

  @media screen and (max-width: 991px) {
    top: 26%;
  }
} */

.group-main-construction {
  display: flex;
  flex-direction: row-reverse;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;

  @media screen and (max-width: 991px) {
    flex-direction: column;
    gap: 16px;
  }
}

.group-main-furniture {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 1;

  @media screen and (max-width: 991px) {
    flex-direction: column;
    gap: 16px;
  }
}

/* .group-main-construction::before {
  content: "";
  position: absolute;
  top: 20%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 105%;
  height: 60%;
  background: linear-gradient(135deg, #048f4b, #00582d);
  border-radius: 4px;
  z-index: -2;
  opacity: 0.2;

  @media screen and (max-width: 991px) {
    top: 26%;
  }
} */

.group-img {
  position: relative;
  z-index: 50;
}

.group-main-hardware-left {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.group-hardware-left-img {
  padding-left: 10%;
  position: relative;
  z-index: 1;
}

.group-construction-left-img {
  padding-right: 10%;
  position: relative;
  z-index: 1;
}

.group-hardware-left-img img {
  position: relative;
  z-index: 1;
}

.group-construction-left-img img {
  position: relative;
  z-index: 1;
}

.group-hardware-left-img::before {
  content: "";
  position: absolute;
  top: 25%;
  left: 0;
  width: 88%;
  height: 100%;
  background: linear-gradient(135deg, #1d3156, #526d9c);
  border-radius: 10px;
  z-index: 0;
}

.group-construction-left-img::before {
  content: "";
  position: absolute;
  top: 25%;
  right: 0;
  width: 88%;
  height: 100%;
  background: linear-gradient(135deg, #048f4b, #00582d);
  border-radius: 10px;
  z-index: 0;
}

.group-hardware-ttl-en {
  font-size: clamp(2rem, 1.6299rem + 1.5584vw, 3.5rem);
}

.group-hardware-ttl-jp {
  font-size: clamp(1.125rem, 1.0325rem + 0.3896vw, 1.5rem);
}

.group-ttl {
  display: flex;
  gap: 16px;

  @media screen and (max-width: 991px) {
    gap: 8px;
  }
}

.group-ttl img {
  border-radius: 0;
  padding-top: 8px;
  box-shadow: unset;
  max-width: 34px;
  width: 100%;

  @media screen and (max-width: 991px) {
    max-width: 24px;
  }
}

.group-hardware-ttl {
  display: flex;
  flex-direction: column;
}

.group-construction-ttl {
  display: flex;
  flex-direction: column;
}

.group-hardware-ttl .about-main-ttl-line {
  padding-top: 16px;
}

.group-hardware-ttl .about-main-ttl-line-01 {
  width: 80%;
  flex: unset;
}

.group-main-construction .about-main-ttl-line {
  padding-top: 16px;
  width: 100%;
}

.group-main-construction .about-main-ttl-line-02 {
  width: 80%;
  flex: unset;
}

.group-main-furniture .about-main-ttl-line {
  padding-top: 16px;
  width: 100%;
}

.group-main-furniture .about-main-ttl-line-02 {
  width: 80%;
  flex: unset;
}

.group-main-hardware-right {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.group-main-hardware-right img {
  position: relative;
  z-index: 1;
}

.group-hardware-des-cont {
  width: 100%;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  gap: 24px;

  @media screen and (max-width: 991px) {
    max-width: 100%;
    align-items: center;
  }
}

.group-construction-des-cont {
  width: 100%;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  gap: 24px;

  @media screen and (max-width: 991px) {
    max-width: 100%;
    align-items: center;
  }
}

.group-furniture-des-cont {
  width: 100%;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  gap: 24px;

  @media screen and (max-width: 991px) {
    max-width: 100%;
    align-items: center;
  }
}

.group-hardware-des {
  line-height: 1.8;
}

.group-hardware-des-cont .home-btn {
  background-color: unset;
  background: linear-gradient(135deg, #1d3156, #526d9c);
  max-width: max-content;
  color: #fff;
}

.group-construction-des-cont .home-btn {
  background-color: unset;
  background: linear-gradient(135deg, #048f4b, #00582d);
  max-width: max-content;
  color: #fff;
}

.group-furniture-des-cont .home-btn {
  background-color: unset;
  background: linear-gradient(135deg, #5a2a00, #974600);
  max-width: max-content;
  color: #fff;
}