@charset "UTF-8";

:root {
  --font-serif: "游明朝", "YuMincho", "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "ＭＳ Ｐ明朝", "MS PMincho", serif;
}

body {
  font-family: 'Noto Sans JP', 'Helvetica Neue', Helvetica, Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
  font-optical-sizing: auto;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.8;
  font-style: normal;
  color: #2F3A37;
}

/*--リンク設定---*/

a {
  color: #2F3A37;
  text-decoration: none;
}

a:hover {
  color: #2F3A37;
}

.op {
  transition: .5s linear;
}

.op2 {
  transition: filter 0.5s ease;
}

.op2:hover {
  filter: brightness(1.2);
}

.op3 {
  transition: filter 1s ease;
}

.op3:hover {
  filter: brightness(1.1)
}

.font--en {
  font-family: "Jost", sans-serif;
  font-optical-sizing: auto;
  font-weight: 500;
  font-style: normal;
  letter-spacing: .05em;
}

.font--serif {
  font-family: "游明朝", "YuMincho", "ヒラギノ明朝 Pro W3", "Hiragino Mincho Pro", "ＭＳ Ｐ明朝", "MS PMincho", serif;
  font-weight: 500;
}

img {
  display: block;
  width: 100%;
}

.ui--sp {
  display: none;
}

.ui--tab {
  display: block;
}

/*--- 見出し設定 ---*/

.ttl {
  display: flex;
  flex-direction: column;
  line-height: 1.6;
  margin-bottom: 60px;
}

.ttl>span {
  font-size: 6rem;
  font-weight: 700;
  letter-spacing: .5rem;
  color: #497F74;
  order: 1;
}

.ttl>h2 {
  font-size: 2.4rem;
  order: 2;
}

.ttl2 {
  margin-bottom: 20px;
}

.ttl2>h2 {
  font-size: 3.8rem;
  letter-spacing: .5rem;
  color: #497F74;
}

.ttl2>span {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 500;
}

.ttl-sub {
  width: 100%;
  display: flex;
  align-items: center;
}

.ttl-sub>img {
  width: 120px;
  flex-shrink: 0;
  margin-top: 20px;
  margin-right: 14px;
}

.ttl-sub h2 {
  font-size: 3.4rem;
  font-weight: 500;
  flex-shrink: 0;
  letter-spacing: .025em;
}

.ttl-sub span {
  font-family: "Jost", sans-serif;
  font-size: 2rem;
  font-weight: 500;
  color: #497F74;
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.ttl-sub span::after {
  display: block;
  content: '';
  width: 100vw;
  border-top: 1px solid #ccc;
  margin-left: 10px;
}

/*--- リンクボタン設定 ---*/

.link-wrap {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.link-btn {
  width: 49%;
  height: 80px;
}

.link-btn>a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: #7DAFAE;
  color: #fff;
  font-size: 2.2rem;
  font-weight: 500;
  letter-spacing: .05em;
  position: relative;
  transition: .5s linear;
}

.link-btn>a:hover {
  background: #3B7D7B;
}

.link-arw>svg {
  display: block;
  width: 40px;
  height: auto;
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translate(0, -50%);
  fill: #fff;
  z-index: 1;
}


/*--- コンテンツ・カラム等設定 ----*/
main {
  font-size: 1.8rem;
  line-height: 1.8;
  position: relative;
}

main p {
  line-height: 1.8;
}

div>p:not(:last-of-type) {
  margin-bottom: 20px;
}

section:not(.fv) {
  padding: 150px 0;
  position: relative;
}

.l-inner {
  width: 90%;
  max-width: 1440px;
  margin: 0 auto;
  position: relative;
}

.l-col {
  display: flex;
  justify-content: space-between;
  position: relative;
}

.l-col--ctr {
  align-items: center;
}

.l-col__item {
  width: 50%;
  position: relative;
}

.l-col__item--2 {
  /*--2カラム--*/
  width: 49%;
  position: relative;
}

.l-col__item--3 {
  /*--3カラム--*/
  width: 32.5%;
  position: relative;
}

.l-inner__box-row {
  display: flex;
  justify-content: space-between;
}

.l-inner__box-row .l-inner__box-inner {
  width: 48%;
}

.l-inner__box-clm {
  display: flex;
  flex-direction: column;
}

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

.c-lead {
  font-size: 3rem;
  letter-spacing: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  color: #53AF8B;
  box-sizing: border-box;
  position: relative;
}


.c-lead>p {
  line-height: 2.2;
}

.c-lead--fs-m {
  font-size: 2.4rem;
}

.c-lead .ui--sp {
  display: none;
}

.c-lead--sub>p {
  font-size: 2rem;
  line-height: 2.2;
}

.c-txt>p {
  font-size: 1.8rem;
  line-height: 2.2;
}

.ui--mb20 {
  margin-bottom: 20px;
}

.ui--mb30 {
  margin-bottom: 30px;
}

.ui--mb40 {
  margin-bottom: 40px;
}

.ui--mb50 {
  margin-bottom: 50px;
}

.ui--mb60 {
  margin-bottom: 60px;
}

.ui--mb80 {
  margin-bottom: 80px;
}

.ui--mb100 {
  margin-bottom: 100px;
}

/*--- その他設定 ---*/
.annotation {
  position: absolute;
  bottom: 4%;
  right: 2.5%;
  font-size: 1.4rem;
  background: rgba(255, 255, 255, .6);
  padding: 0 10px;
  backdrop-filter: blur(5px);
  letter-spacing: .05em;
  z-index: 1;
}

/*----------------------------------------
	fv ファーストビュー
----------------------------------------*/
.fv {
  width: 100%;
  height: auto;
  position: relative;
  margin-top: 130px;
}

.fv::after {
  display: block;
  content: '';
  width: 100%;
  height: 0;
  padding-top: 30%;
}

.fv-img {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.fv-img picture,
.fv-img img {
  height: 100%;
  object-fit: cover;
}

.fv-ttl {
  display: inline-block;
  width: auto;
  padding: 10px 40px;
  color: #fff;
  text-align: center;
  line-height: 1.4;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
}

.fv-ttl--grn {
  background: rgba(125, 175, 174, .6);
}

.fv-ttl>h2 {
  font-size: 4rem;
  font-family: var(--font-serif);
}

.fv-ttl>span {
  letter-spacing: .15em;
}

/*----------------------------------------
	energy エネルギー事業
----------------------------------------*/
.energy::after {
  display: block;
  content: '';
  width: 100%;
  height: 100%;
  background: url('../images/nk-solor/bg.jpg');
  background-size: cover;
  background-position: center top;
  opacity: .1;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: -1;
}

.energy .ttl>h2 {
  font-size: 5rem;
  color: #497F74;
  font-family: var(--font-serif);
}

.link-wrap--energy {
  width: 85%;
  margin: 0 auto;
}

.link-wrap--energy .link-btn {
  width: 33%;
}

.link-wrap--energy .link-btn>a>img {
  width: 40px;
  margin-right: 8px;
}

.bg-txt {
  position: absolute;
  bottom: 0;
  right: 0;
  color: #fff;
  font-size: 9rem;
  font-weight: 500;
  letter-spacing: .075em;
  opacity: .5;
}

.bg-txt--l {
  right: initial;
  left: 0;
  bottom: 0;
}

/*----------------------------------------
	solor 太陽光発電事業
----------------------------------------*/
.solor::after {
  display: block;
  content: '';
  width: 100%;
  height: 22.5%;
  background: #DEEBEA;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: -1;
}

.l-col--solor {
  width: 95%;
  margin-left: auto;
  margin-right: auto;
}

.l-col__item--solor-img {
  width: 47.5%;
}

.l-col__item--3-first {
  display: none;
}

/*----------------------------------------
	leh 太陽光発電事業
----------------------------------------*/
.leh::after {
  display: block;
  content: '';
  width: 97.5%;
  height: calc(100% - 85px);
  background: #F8FAFC;
  position: absolute;
  top: 85px;
  right: 0;
  z-index: -1;
}

.l-col--leh {
  flex-wrap: wrap;
}

.l-col__item--leh {
  width: 48%;
  display: flex;
  flex-direction: column;
  box-shadow: rgba(149, 157, 165, 0.15) 0px 8px 24px;
}

.l-col__item--leh:nth-of-type(n+3) {
  margin-top: 60px;
}

.l-col__item--wind {
  width: 100%;
  padding-right: 3%;
  box-sizing: border-box;
}

.l-col__item--vw {
  width: 100%;
  height: auto;
  /*--
  margin-right: calc(50% - 50vw);
  --*/
}

.l-col__item--vw>img {
  height: 100%;
  object-fit: cover;
}


.l-col__item-img {
  width: 100%;
  position: relative;
}

.l-col__item-lead {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-content: center;
  justify-content: center;
  padding: 14px 0;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 1;
  font-family: var(--font-serif);
}

.l-col__item-lead--bg-grn {
  background: rgba(217, 232, 231, 1);
}

.l-col__item-lead--bg-pink {
  background: rgba(230, 217, 232, 1);
}

.l-col__item-lead--bg-beige {
  background: #e8e5d9;
}

.l-col__item-lead--bg-lgray {
  background: #d9dce8;
}

.l-col__item-lead>h3 {
  font-size: 2.4rem;
  font-weight: 500;
  text-align: center;
}

.l-col__item-inner {
  padding: 20px 0 40px 0;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.l-col__item-txt {
  width: 90%;
  margin: 0 auto 30px auto;
  flex: 1;
}

.l-col__item-txt>p {
  line-height: 2.2
}

.leh .bg-txt {
  color: #eee;
  line-height: 1.4;
}

.l-col__item--vw--tab {
  display: none;
}

.leh-top {
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.leh-top__inner {
  width: 55%;
}

.leh-top__img {
  width: 32.5%;
}

.leh-box__link {
  width: 80%;
  height: auto;
  margin: auto auto 0 auto;
}

.leh-box__link>a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 60px;
  background: rgb(169, 162, 150);
  color: #fff;
}

/*----------------------------------------
	wind 風力発電事業
----------------------------------------*/

.wind::after {
  display: block;
  content: '';
  width: 100%;
  height: 22.5%;
  background: #E1E9F2;
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
}

.wind .l-inner {
  position: relative;
  z-index: 1;
}

.wind .bg-txt {
  z-index: 2;
}

/*----------------------------------------
	mobile-nav サイドバー
----------------------------------------*/
.mobile-nav {
  width: 68px;
  height: auto;
  position: fixed;
  bottom: 10%;
  right: 0;
  z-index: 5;
}

.mobile-nav>ul {
  width: 100%;
  list-style: none;
}

.mobile-nav>ul>li {
  display: flex;
  flex-direction: column;
}

.mobile-nav>ul>li:not(:last-of-type) {
  margin-bottom: 10px;
}

.mobile-nav__img {
  width: 100%;
  height: auto;
  padding: 10px 5px 5px 5px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.mobile-nav__img>span {
  font-size: 1.2rem;
  color: #fff;
  white-space: nowrap;
}

.mobile-nav-line .mobile-nav__img {
  background: #06C755;
}

.mobile-nav-home .mobile-nav__img {
  background: #8D877D;
}

.mobile-nav__img>img {
  width: 65%;
  margin: 0 auto 5px auto;
}

.mobile-nav__arw {
  padding: 5px 0 10px 0;
  background: #D8CFC0;
}

.mobile-nav__arw>img {
  width: 60%;
  margin: 0 auto;
}




@media screen and (max-width: 1480px) {

  .leh .c-lead>p br {
    display: none;
  }
}

@media screen and (max-width: 1280px) {
  html {
    font-size: calc(100vw/128.0);
  }

  .c-txt>p {
    font-size: 1.6rem;
    line-height: 2.4;
  }

  .l-col__item-txt>p {
    font-size: 1.6rem;
  }

}

@media screen and (max-width: 1024px) {
  html {
    font-size: calc(100vw/102.4);
  }

  .ttl2 {
    margin-bottom: 20px;
  }

  .ttl2>h2 {
    font-size: 5rem;
  }

  /*--- fv ---*/

  .fv {
    margin-top: 60px;
  }

  /*--- l- ---*/
  .l-inner {
    width: 80%;
  }

  .l-inner>.l-col:not(.l-col--solor-btm):not(.l-col--leh) {
    flex-direction: column;
  }

  .l-col--solor-btm {
    flex-wrap: wrap;
  }

  .l-col__item--3 {
    width: 49.5%;
    position: relative;
  }

  .l-col__item--3:nth-of-type(1) {
    width: 100%;
  }

  .l-col__item--3::after {
    display: block;
    content: '';
    width: 100%;
    height: 0;
    padding-top: 67%;
  }

  .l-col__item--3>img {
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-position: center;
  }

  .l-col__item--3:nth-of-type(n+2) {
    margin-top: 10px;
  }

  .bg-txt {
    font-size: 7rem;
  }

  .solor::after {
    display: block;
    content: '';
    width: 100%;
    height: 15.5%;
  }

  /*--- energy- ---*/
  .link-wrap--energy {
    width: 100%;
  }

  .l-col__item--vw--pc {
    display: none;
  }

  .l-col__item--vw--tab {
    display: block;
    width: 100%;
    margin: 0 auto 60px auto;
  }

  .c-lead>p br:not(.ui--tab) {
    display: none;
  }

  .l-col__item--vw>img {
    height: auto;
    object-fit: initial;
  }

  /*--- leh ---*/
  .leh-top {
    width: 95%;
    flex-direction: column;
    margin-left: auto;
    margin-right: auto;
  }

  .leh-top__inner {
    width: 100%;
    margin-bottom: 40px;
  }

  .leh-top__img {
    width: 60%;
  }

  .l-col__item--leh {
    width: 49%;
  }

  /*--- wind---*/

  .wind .c-lead br {
    display: block !important;
  }

  .l-col__item--wind {
    padding-right: 0;
    text-align: justify;
  }
}

@media screen and (max-width: 896px) {
  .l-inner {
    width: 85%;
  }

  /*---fv---*/
  .fv-ttl>h2 {
    font-size: 3.4rem;
  }

  /*---wind---*/
  .wind::after {
    height: 30%;
  }

}

@media screen and (max-width: 787px) {
  html {
    font-size: calc(100vw/78.7);
  }

  .c-lead {
    font-size: 2.4rem;
  }

  .c-lead--sub>p {
    font-size: 1.8rem;
  }

  .l-col__item-lead>h3 {
    font-size: 2rem;
  }

  .bg-txt {
    font-size: 5rem;
  }

  .link-btn>a {
    font-size: 1.8rem;
  }

  .link-wrap--energy .link-btn>a>img {
    font-size: 32px;
  }

}

@media screen and (max-width:680px) {
  html {
    font-size: calc(100vw/68);
  }

  section:not(.fv) {
    padding: 100px 0;
  }

  .l-inner {
    width: 90%;
  }

  .ttl2>h2 {
    line-height: 1.4;
  }

  .ttl-sub {
    margin-bottom: 30px;
  }

  .ttl-sub>span {
    margin-right: 0;
  }

  .ttl-sub>span::after {
    margin-left: 0;
  }

  div>p:not(:last-of-type) {
    margin-bottom: 10px;
  }

  .c-txt>p {
    line-height: 1.8;
  }

  .link-wrap {
    width: 100%;
    flex-wrap: wrap;
    margin-left: auto;
    margin-right: auto;
  }

  .link-wrap--energy .link-btn {
    width: 49%;
  }

  .link-btn {
    height: 68px;
  }

  .link-btn:not(:last-of-type) {
    margin-bottom: 10px;
  }

  .link-btn:last-of-type {
    margin-left: auto;
    margin-right: auto;
  }


  /*--- fv ---*/

  .fv {
    margin-top: 75px;
  }

  .fv::after {
    padding-top: 56.25%;
  }

  .fv-ttl>h2 {
    font-size: 2.4rem;
    white-space: nowrap;
  }


  /*---custom---*/
  .c-lead--sub>p {
    text-align: justify;
  }

  .c-lead--sub>p br:nth-of-type(1),
  .c-lead--sub>p br:nth-of-type(3) {
    display: none;
  }

  .l-col__item--leh {
    width: 100%;
  }

  .l-col__item--leh:nth-of-type(n+2) {
    margin-top: 40px;
  }

  .leh .bg-txt--l {
    bottom: 0;
  }

  .leh .bg-txt--l br {
    display: none;
  }

  .wind .c-lead br {
    display: none !important;
  }

}

@media screen and (max-width:480px) {
  html {
    font-size: 62.5%;
  }

  body,
  main {
    font-size: 1.6rem;
  }

  main {
    overflow: hidden;
  }

  .ttl {
    line-height: 1.4;
    margin-bottom: 40px;
  }

  .ttl>h2 {
    font-size: 1.8rem;
  }

  .ttl>span {
    font-size: 4rem;
    letter-spacing: .025em;
    margin-bottom: 10px;
  }

  .ttl2>h2 {
    font-size: 3rem;
  }

  .ttl-sub span {
    font-size: 1.2rem;
  }

  .ttl-sub h2 {
    font-size: 2.4rem;
  }

  .ttl-sub>img {
    width: 60px;
    margin-top: 10px;
    margin-right: 8px;
  }

  .c-lead {
    text-align: justify;
    margin-bottom: 40px;
  }

  .c-lead>p {
    font-size: 1.8rem;
    text-align: center;
  }

  .energy .c-lead>p {
    font-size: 2.2rem;
  }

  .c-lead>p br:not(.ui--tab) {
    display: block;
  }

  .c-lead--sub>p {
    font-size: 1.6rem;
  }

  .ui--mb20 {
    margin-bottom: 10px;
  }

  .ui--mb30 {
    margin-bottom: 14px;
  }

  .ui--mb40 {
    margin-bottom: 20px;
  }

  .ui--mb50 {
    margin-bottom: 25px;
  }

  .ui--mb60 {
    margin-bottom: 30px;
  }

  .ui--mb80 {
    margin-bottom: 40px;
  }

  .ui--mb100 {
    margin-bottom: 50px;
  }

  .link-btn {
    height: 70px;
  }

  .link-btn>a {
    font-size: 1.6rem;
  }

  section:not(.fv) {
    padding: 80px 0;
  }

  .annotation {
    font-size: 1.2rem;
  }

  /*--- fv ---*/
  .fv {
    margin-top: 60px;
  }

  .fv::after {
    padding-top: 100%;
  }

  /*--- energy ---*/
  .energy .ttl>h2 {
    font-size: 3.2rem;
    color: #497F74;
    font-family: var(--font-serif);
  }

  .l-col__item--vw--tab {
    margin-bottom: 30px;
  }

  .c-lead>p {
    letter-spacing: -0.045em;
  }

  .link-wrap {
    width: 90%;
  }

  .link-wrap--energy .link-btn {
    width: 100%;
  }

  .bg-txt {
    font-size: 3.2rem;
  }

  .leh::after {
    display: block;
    content: '';
    width: 97.5%;
    height: calc(100% - 40px);
    top: 40px;
  }

  .leh-top__img {
    width: 80%;
  }

  .leh .c-lead>p br {
    display: none;
  }

  .leh-top__inner {
    margin-bottom: 30px;
  }

  .l-col__item-lead {
    padding: 10px 0;
  }

  .l-col__item-lead>h3 {
    font-size: 1.6rem;
  }

  .l-col__item-txt>p {
    font-size: 1.4rem;
  }

  .l-col--solor-btm {
    flex-direction: column;
  }

  .wind .l-col--solor-btm {
    flex-direction: row;
  }

  .l-col--solor-btm .l-col__item--2 {
    width: 100%;
  }

  .l-col--solor-btm .l-col__item--2:nth-of-type(n+1) {
    margin-bottom: 20px;
  }

  .solor::after {
    display: block;
    content: '';
    width: 100%;
    height: 30%;
  }

  .leh-box__link {
    width: 95%;
  }

  /*--- wind ---*/
  .wind::after {
    height: 20%;
  }

  .wind .c-lead .ui--sp {
    display: block !important;
  }

}