@charset "UTF-8";
html,
body {
  height: 100%;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  overflow-wrap: anywhere;
}

html {
  font-size: 62.5%;
}

body {
  font-family: "Helvetica", "游ゴシック体", "Yu Gothic", YuGothic, "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: 1.2rem;
  color: #000;
  background: #fff;
  letter-spacing: 0;
}
@media screen and (max-width: 767px) {
  body {
    overflow-x: hidden;
  }
}

/* 表示された時用のCSS */
@media screen and (max-width: 1099px) {
  body.nav-open {
    height: 100%;
    overflow: hidden;
  }
  body.nav-open .header_gnav {
    right: 0;
  }
  body.nav-open .sp_nav_btn .line:first-of-type {
    transform: rotate(-45deg);
    top: 7px;
    position: relative;
  }
  body.nav-open .sp_nav_btn .line:last-of-type {
    transform: rotate(45deg);
    top: -5px;
    position: relative;
  }
  body.nav-open .black_bg {
    opacity: 0.8;
    visibility: visible;
  }
}

ol,
li {
  list-style: none;
}

a {
  color: #231815;
  text-decoration: none;
}
a:hover {
  opacity: 0.8;
}

@media (min-width: 751px) {
  a[href*="tel:"] {
    pointer-events: none;
    cursor: default;
    text-decoration: none;
  }
}
@media (min-width: 1024px) {
  img {
    image-rendering: -webkit-optimize-contrast;
  }
}
@media screen and (max-width: 767px) {
  br.sp_hide {
    display: none;
  }
}
.inq-btn {
  margin: 0 auto;
  text-align: center;
}
.inq-btn a {
  background: #000;
  padding: 17px 12px;
  text-align: center;
  color: #fff;
  border-radius: 12px;
  display: inline-block;
  font-size: 1.6rem;
}

/*----------------------------------------------------
	LAYOUT
----------------------------------------------------*/
.inner {
  max-width: 1120px;
  margin: 0 auto;
  position: relative;
}
@media screen and (max-width: 767px) {
  .inner {
    width: 90%;
    padding: 0 5%;
  }
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .inner {
    padding: 0 4%;
  }
}

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

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

.mb30 {
  margin-bottom: 30px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb30 {
    margin-bottom: 15px;
  }
}
@media screen and (max-width: 767px) {
  .mb30 {
    margin-bottom: 10px;
  }
}

.mb40 {
  margin-bottom: 40px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb40 {
    margin-bottom: 20px;
  }
}
@media screen and (max-width: 767px) {
  .mb40 {
    margin-bottom: 10px;
  }
}

.mb60 {
  margin-bottom: 60px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb60 {
    margin-bottom: 30px;
  }
}
@media screen and (max-width: 767px) {
  .mb60 {
    margin-bottom: 20px;
  }
}

.mb100 {
  margin-bottom: 100px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb100 {
    margin-bottom: 50px;
  }
}
@media screen and (max-width: 767px) {
  .mb100 {
    margin-bottom: 30px;
  }
}

.mb120 {
  margin-bottom: 120px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb120 {
    margin-bottom: 60px;
  }
}
@media screen and (max-width: 767px) {
  .mb120 {
    margin-bottom: 40px;
  }
}

.mb150 {
  margin-bottom: 150px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .mb150 {
    margin-bottom: 75px;
  }
}
@media screen and (max-width: 767px) {
  .mb150 {
    margin-bottom: 50px;
  }
}

.pt60 {
  padding-top: 60px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .pt60 {
    padding-top: 30px;
  }
}

.pt30 {
  padding-top: 30px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .pt30 {
    padding-top: 15px;
  }
}

.pb30 {
  padding-bottom: 30px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .pb30 {
    padding-bottom: 15px;
  }
}

.pb60 {
  padding-bottom: 60px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .pb60 {
    padding-bottom: 30px;
  }
}

.pb120 {
  padding-bottom: 120px;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .pb120 {
    padding-bottom: 60px;
  }
}

@media screen and (min-width: 1100px) {
  .flex {
    display: flex;
    justify-content: space-between;
    gap: 20px;
  }
}
.flex.start {
  justify-content: flex-start;
}
.flex.wrap {
  flex-wrap: wrap;
}

.light_bg {
  background: #efefef;
}

.future_blue {
  font-family: "future", sans-serif;
  color: #114591;
}

.future {
  font-family: "future", sans-serif;
}

.btn {
  color: #114591;
  font-size: 1.6rem;
  padding: 20px;
  line-height: 1;
  border-radius: 50px;
  border: 1px solid;
  display: block;
  width: fit-content;
  margin: 0 auto;
  font-weight: 400;
  background: #fff;
}
.btn.blue-bg {
  color: #fff;
  background: #114591;
  margin: 10px 0;
}

.header {
  margin: 0 0 20px;
  padding: 20px 0 20px;
  /*SPメニュー*/
}
@media screen and (min-width: 1100px) {
  .header {
    max-width: 1080px;
    margin: 0 auto;
    padding: 40px 0 40px;
  }
}
.header .logo {
  width: 160px;
  display: flex;
  align-items: center;
}
.header .logo img {
  width: 100%;
}
@media screen and (max-width: 1099px) {
  .header .header_gnav {
    position: fixed;
    overflow: auto;
    right: -320px;
    /* 右から出てくる */
    top: 0;
    width: 300px;
    height: 100%;
    padding-top: 60px;
    background: #fcf5ea;
    transition: all 0.6s;
    z-index: 200;
    margin-bottom: 100px;
    /* スマートフォン2階層目 */
  }
  .header .header_gnav .sub-navi {
    display: block;
    display: none;
    position: relative;
    padding: 0;
    z-index: 1001;
  }
  .header .header_gnav .sub-navi li a {
    padding-left: 40px;
    display: block;
  }
  .header .header_gnav .sp_nav_btn {
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    right: 0;
    width: 50px;
    height: 50px;
    background: #114591;
  }
  .header .header_gnav .sp_nav_btn .line {
    width: 60%;
    height: 2px;
    background: #fff;
    transition: all 0.3s;
  }
  .header .header_gnav .gnav_list {
    flex-direction: column;
    text-align: left;
    padding: 0;
    width: 100%;
    gap: 0;
  }
  .header .header_gnav .gnav_list .item {
    padding: 10px;
    border-bottom: 1px solid #eee;
    font-size: 1.6rem;
  }
  .header .header_gnav .gnav_list .item:before {
    content: "\f105";
    font-family: "Font Awesome 6 free";
    color: #114591;
    font-weight: 900;
    font-style: normal;
    font-variant: normal;
    font-size: 1.6rem;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
    text-rendering: auto;
    margin-right: 5px;
  }
  .header .header_gnav .gnav_list .item:last-of-type {
    border-bottom: none;
  }
  .header .header_gnav .gnav_list .item a {
    text-decoration: none;
    color: #333;
  }
}
@media screen and (max-width: 1099px) and (min-width: 1100px) {
  .header .header_gnav .gnav_list .item a {
    display: inline-block;
  }
}
@media screen and (max-width: 1099px) {
  .header .header_gnav .gnav_list .item a.gnav_contact {
    margin-bottom: 20px;
  }
  .header .header_gnav .gnav_list .item a.sp_brn {
    border-bottom: 0;
  }
  .header .header_gnav .gnav_list .item a.sp_brn:before {
    content: none;
  }
  .header .header_gnav .gnav_list .item:last-of-type:before {
    content: "";
  }
  .header .header_gnav .gnav_list .item.contact {
    width: 80%;
    display: block;
    margin: auto;
  }
  .header .header_gnav .black_bg {
    position: fixed;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    z-index: 150;
    background-color: #333;
    opacity: 0;
    visibility: hidden;
    transition: all 0.6s;
    cursor: pointer;
  }
}
@media screen and (min-width: 1100px) {
  .header .header_gnav .gnav_list {
    gap: 0;
    align-items: center;
    font-weight: bold;
  }
  .header .header_gnav .gnav_list .item {
    position: relative;
    font-size: 1.6rem;
  }
  .header .header_gnav .gnav_list .item:nth-child(3) {
    padding: 20px 15px;
    cursor: pointer;
  }
  .header .header_gnav .gnav_list .item a {
    display: block;
    line-height: 1;
    padding: 20px 15px;
  }
  .header .header_gnav .gnav_list .item.current::after {
    content: "";
    width: 53px;
    height: 2px;
    background: #114591;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
  }
  .header .header_gnav .gnav_list .item.contact img {
    width: 195px;
  }
  .header .header_gnav .gnav_list .item.contact a {
    padding: 0 0 0 15px;
  }
  .header .header_gnav .gnav_list .item.contact .current:after {
    content: none;
  }
}
.header .header_gnav ul.gnav_list li.item ul.sub-navi {
  display: none;
  position: relative;
}
.header .header_gnav ul.gnav_list li.item:hover ul.sub-navi {
  display: block;
  position: absolute;
  z-index: 99;
  padding: 8% 4%;
  background: #fcf5ea;
  border-radius: 4px;
}
@media screen and (min-width: 1100px) {
  .header .header_gnav ul.gnav_list li.item:hover ul.sub-navi {
    padding: 8% 12%;
    background: rgba(255, 255, 255, 0.937254902);
  }
}
.header .header_gnav ul.gnav_list li.item:hover ul.sub-navi li a {
  white-space: nowrap;
  font-size: 1.4rem;
  margin-bottom: 12%;
  padding: 0;
  font-weight: 500;
  display: block;
}
@media screen and (min-width: 1100px) {
  .header .header_gnav ul.gnav_list li.item:hover ul.sub-navi li a {
    padding: 2%;
  }
}
.header .header_gnav ul.gnav_list li.item:hover ul.sub-navi li a::before {
  font-family: "Font Awesome 5 Free";
  content: "\f054";
  display: inline-block;
  margin-right: 2%;
  color: #114591;
  -webkit-font-smoothing: antialiased;
  line-height: 1;
  font-weight: 900;
}
.header .header_gnav ul.gnav_list li.item:hover ul.sub-navi li br {
  display: block;
  margin-bottom: 2%;
}

/*技術・工事紹介*/
.front_case_study {
  background: #efefef;
}
.front_case_study .content_wrap {
  padding: 40px 0;
  margin: 0 auto;
  box-sizing: border-box;
  align-items: center;
}
@media screen and (min-width: 1100px) {
  .front_case_study .content_wrap {
    width: 962px;
    padding: 100px 0;
  }
}
@media screen and (max-width: 767px) {
  .front_case_study .content_wrap {
    display: block;
    width: 90%;
  }
}
.front_case_study .content_wrap .left {
  white-space: nowrap;
}
@media screen and (max-width: 767px) {
  .front_case_study .content_wrap .left {
    margin-bottom: 4%;
  }
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .front_case_study .content_wrap .left {
    text-align: center;
  }
}
.front_case_study .content_wrap .left .title_num {
  font-size: clamp(2.8rem, 4vw, 3.3rem);
  line-height: 1.4;
  margin-bottom: 40px;
  letter-spacing: 0.05em;
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .front_case_study .content_wrap .left {
    margin-bottom: 40px;
  }
}
.front_case_study .content_wrap .right ul > li {
  margin-bottom: 40px;
}
.front_case_study .content_wrap .right ul > li img {
  max-width: 100%;
  margin-bottom: 10px;
}
.front_case_study .content_wrap .right ul > li ul {
  display: block;
}
.front_case_study .content_wrap .right ul > li ul li {
  width: 100%;
  text-align: center;
  background: #000000;
  color: #fff;
  padding: 4px 0;
  margin-bottom: 4px;
  font-weight: 600;
  letter-spacing: -0.1rem;
}
.front_case_study .content_wrap .right ul > li ul li a {
  color: #fff;
  display: block;
}
@media screen and (min-width: 1100px) {
  .front_case_study .content_wrap .right {
    margin-left: 60px;
  }
  .front_case_study .content_wrap .right ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    column-gap: 30px;
    row-gap: 40px;
  }
  .front_case_study .content_wrap .right ul li {
    width: calc((100% - 60px) / 3);
    margin-bottom: 0;
  }
}
@media screen and (min-width: 431px) and (max-width: 1100px) {
  .front_case_study .content_wrap .right ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    column-gap: 30px;
    row-gap: 40px;
  }
  .front_case_study .content_wrap .right ul li {
    width: calc((100% - 60px) / 2);
    margin-bottom: 0;
    text-align: center;
  }
}

footer {
  background: url(../img/common/footer_bg_dot.png) top center;
  padding: 20px 0;
  color: #fff;
}
@media screen and (min-width: 1100px) {
  footer {
    padding: 70px 0;
  }
}
footer .cta-area ul {
  padding: 0 20px;
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul {
    max-width: 1000px;
    margin: 0 auto 70px;
    display: flex;
    justify-content: space-between;
  }
}
footer .cta-area ul li {
  margin-bottom: 20px;
  position: relative;
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul li {
    width: 49%;
    gap: 20px;
    margin-bottom: 0;
  }
}
footer .cta-area ul li a {
  color: #fff;
  display: block;
}
footer .cta-area ul li a .cta-wrap {
  position: absolute;
  justify-content: space-around;
  align-items: center;
  display: flex;
  gap: 40px;
  margin-bottom: 70px;
  transform: translateY(-50%) translateX(-50%);
  top: 50%;
  left: 50%;
  white-space: nowrap;
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul li a .cta-wrap .left {
    width: 50%;
  }
}
footer .cta-area ul li a .cta-wrap .left h3 {
  font-size: clamp(1.4rem, 4vw, 1.8rem);
  list-style: 1;
}
footer .cta-area ul li a .cta-wrap .left .title_num {
  font-size: clamp(2.8rem, 4vw, 3.3rem);
  line-height: 1;
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul li a .cta-wrap .right {
    width: 50%;
  }
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul li a .cta-wrap.contact-btn {
    gap: 20px;
    justify-content: center;
  }
  footer .cta-area ul li a .cta-wrap.contact-btn .left,
  footer .cta-area ul li a .cta-wrap.contact-btn .right {
    width: auto;
  }
}
footer .cta-area ul li .tel-num {
  position: absolute;
  top: 83%;
  line-height: 1.2;
  text-align: center;
  font-size: 1.6rem;
  font-size: clamp(1.2rem, 4vw, 1.6rem);
  width: 100%;
  font-family: "Helvetica", "游ゴシック体", "Yu Gothic", YuGothic, "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, sans-serif;
}
@media screen and (min-width: 1100px) {
  footer .cta-area ul li .tel-num {
    top: 70%;
  }
}
footer .cta-area ul li .tel-num a {
  display: inline;
  font-size: clamp(1.6rem, 4vw, 2rem);
  letter-spacing: 0.1rem;
}
footer #footer {
  font-size: 1.6rem;
}
@media screen and (min-width: 1100px) {
  footer #footer {
    width: 960px;
    margin: auto;
  }
}
footer #footer a {
  color: #fff;
}
footer #footer .f-navi-list {
  margin-bottom: 50px;
}
@media screen and (min-width: 1100px) {
  footer #footer .f-navi-list {
    display: flex;
    justify-content: space-around;
    gap: 35px;
  }
}
footer #footer .f-navi-list .indention-none {
  white-space: nowrap;
  display: inline-block;
}
@media screen and (max-width: 1099px) {
  footer #footer .f-navi-list .indention-none {
    margin-bottom: 16px;
  }
}
footer #footer .f-navi-list .sub-navi {
  gap: 0;
  flex-wrap: wrap;
  margin: 0;
  margin-top: 20px;
}
@media screen and (min-width: 1100px) {
  footer #footer .f-navi-list .sub-navi {
    display: flex;
    justify-content: space-around;
  }
}
@media screen and (max-width: 767px) {
  footer #footer .f-navi-list .sub-navi {
    margin-left: 20px;
  }
}
footer #footer .f-navi-list .sub-navi li {
  font-size: 1.2rem;
  list-style-type: disc;
  width: 40%;
  box-sizing: border-box;
  margin: 0;
  margin-bottom: 20px;
}
footer #footer .f-navi-list .single-menu {
  display: flex;
  flex-direction: column;
}
@media screen and (min-width: 1100px) {
  footer #footer .f-navi-list .single-menu {
    gap: 20px;
  }
}
@media screen and (min-width: 1100px) {
  footer #footer .f-navi-list .single-list {
    display: flex;
    justify-content: space-around;
    gap: 35px;
  }
}
footer #footer .f-navi-list .btn {
  color: #114591;
}
@media screen and (max-width: 1099px) {
  footer #footer .f-navi-list .btn {
    margin: 0;
  }
}
footer #footer .copy {
  text-align: center;
}

main {
  position: relative;
}
@media screen and (min-width: 1100px) {
  main {
    padding-top: 60px;
  }
}
@media screen and (max-width: 1099px) {
  main .flex.inner .left {
    width: 300px;
    margin-bottom: 40px;
  }
}
main .flex.inner .left ol {
  counter-reset: number;
}
main .flex.inner .left ol li {
  counter-increment: number;
  display: flex;
  align-items: center;
  margin-bottom: 8px;
}
main .flex.inner .left ol li::before {
  content: counter(number, decimal-leading-zero);
  color: #26499d;
  font-size: 1.6rem;
  display: inline-block;
  padding-right: 8px;
}
main .flex.inner .left ol li h2 {
  font-size: 1.6rem;
  display: inline;
}
main .flex.inner .left ol li a {
  font-size: 1.6rem;
  letter-spacing: -0.08em;
}
main .title_num {
  font-size: clamp(2.8rem, 4vw, 3.3rem);
  line-height: 1.4;
  width: 100%;
}
@media screen and (max-width: 767px) {
  main .title_num {
    margin-bottom: 4%;
  }
}
main .con_tit {
  text-align: center;
  color: #114591;
  font-size: 1.8rem;
  margin-bottom: 30px;
}
main .con_txt {
  font-size: 1.4rem;
}
@media screen and (min-width: 1100px) {
  main .con_txt {
    text-align: center;
  }
}

@media screen and (min-width: 1100px) {
  body.home main {
    padding-top: 40px;
  }
}

body.company main {
  background: #efefef;
  margin-top: -20px;
  padding-top: 20px;
  padding-bottom: 20px;
}
@media screen and (min-width: 1100px) {
  body.company main {
    margin-top: 0;
    padding-top: 60px;
  }
}

.under {
  position: absolute;
  width: 0;
  height: 0;
  animation: under 3s infinite;
}
@keyframes under {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}
@media screen and (max-width: 1099px) {
  .under {
    width: 80px;
    height: 80px;
    right: 0;
    top: 16%;
    z-index: 9;
  }
}
@media screen and (min-width: 1100px) {
  .under {
    width: 120px;
    height: 120px;
    right: 0;
    z-index: 9;
  }
}
@media screen and (min-width: 1100px) {
  .under.other-top {
    margin-top: 140px;
  }
}

@media screen and (max-width: 1099px) {
  .home .under {
    right: 0;
    top: -5.5%;
  }
}
@media screen and (min-width: 1100px) {
  .home .under {
    right: 5%;
    top: -5%;
  }
}

/*----------------------------------------------------
	404
----------------------------------------------------*/
.error-404 {
  text-align: center;
  padding: 80px 0 200px;
  color: #5c5c5c;
  font-weight: 600;
}

@media screen and (max-width: 820px) {
  .error-404 {
    padding: 70px 0 80px;
  }
}
.error-404 .btn {
  margin-top: 50px;
}

.error-404 .icon_404 {
  background: #fff;
  font-size: 90px;
  font-size: 9rem;
  text-align: center;
  letter-spacing: 1px;
}

@media screen and (max-width: 820px) {
  .error-404 .icon_404 {
    font-size: 7rem;
  }
}
.error-404 .icon_404 span {
  text-shadow: 2px 0 0 #114591, 0 2px 0 #114591, -2px 0 0 #114591, 0 -2px 0 #114591;
  color: #fff;
}

.breadcrumbs {
  font-size: 1.2rem;
  padding: 2% 0 0;
}