@charset "UTF-8";
/*=============================================*/
/*Font import */
/*=============================================*/
/*=============================================*/
/*Common Base*/
/*=============================================*/
body {
  margin: auto;
  width: auto;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

.wrap {
  color: #000;
  font-size: 1.6rem;
  overflow-x: hidden;
}

@media (max-width: 767px) {
  .wrap {
    font-size: 1.4rem;
  }
}

main {
  font-family: "Zen Maru Gothic", "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", sans-serif;
}

img {
  max-width: 100%;
  height: auto;
}

a, b, dd, dt, li, p, span, td, th {
  color: inherit;
  font-size: 1em;
  font-weight: 500;
}

h1, h2, h3, h4, h5, h6 {
  color: inherit;
  font-weight: 500;
}

@media screen and (max-width: 767.499px) {
  .contents {
    margin: 0;
  }
}

@media screen and (max-width: 768px) {
  .pc_only {
    display: none !important;
  }
}

@media print, screen and (min-width: 769px) {
  .sp_only {
    display: none !important;
  }
}

.center {
  margin: auto;
  text-align: center;
  line-height: 180%;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

.txt_base {
  font-size: 1.6rem;
}

.txt_base p {
  line-height: 2.18;
  font-size: 1em;
}

.txt_base p:not(:last-child) {
  margin-bottom: 1em;
}

.txt_base.fs13 {
  font-size: 1.3rem;
}

.txt_base.fs13 p {
  line-height: 1.9;
}

.txt_base.fs18 {
  font-size: 1.8rem;
}

.txt_base.fs18 p {
  line-height: 2.18;
}

.txt_base.fs20 {
  font-size: clamp(1.8rem, 3vw, 2rem);
}

.txt_base.fs20 p {
  line-height: 1.9;
}

.txt_base.bold p {
  font-weight: 700;
}

.txt_base.bold p span {
  font-weight: inherit;
}

.mb20 {
  margin-bottom: 20px;
}

.mb40 {
  margin-bottom: 40px;
}

.mb60 {
  margin-bottom: 60px;
}

.tel_link,
.tel_link a {
  color: inherit;
  font-size: 1em;
}

/*=============================================*/
/*  layout  Base                        */
/*=============================================*/
@media print, screen and (min-width: 767.5px) {
  .contents {
    max-width: none;
    margin: 0 auto;
    padding: 0;
  }
}

.main_width {
  max-width: 1124px;
  width: calc(100% - 30px);
  margin: auto;
}

.main_width.size1014 {
  max-width: 1014px;
}

.main_width.size750 {
  max-width: 750px;
}

section {
  padding: 80px 0;
}

@media (max-width: 767px) {
  section {
    padding: 60px 0;
  }
}

/*=============================================*/
/*  layout                               */
/*=============================================*/
/*=============================================*/
/*  main_visual                               */
/*=============================================*/
.main_visual {
  text-align: center;
  background: url(../img/mv-bg.png) no-repeat center bottom/contain, #FDE0A5;
}

@media (max-width: 767px) {
  .main_visual {
    background: url(../img/mv-bg-sp.png) no-repeat center bottom/cover, #FDE0A5;
  }
}

/*=============================================*/
/*  choose_block                               */
/*=============================================*/
.choose_block .ttl {
  margin-bottom: 0.8em;
  line-height: 1.4;
  text-align: center;
  font-size: clamp(2.8rem, 5vw, 4.7rem);
  font-weight: 700;
}

.choose_box {
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-bottom: 60px;
  padding: 0 50px 0 20px;
  border-radius: 20px;
}

@media (max-width: 767px) {
  .choose_box {
    display: block;
    margin-bottom: 50px;
    padding: 25px 10px 30px;
  }
}

.choose_box .img {
  position: relative;
  top: 40px;
  width: 52%;
}

@media (max-width: 767px) {
  .choose_box .img {
    top: 0;
    width: 100%;
    margin-bottom: 20px;
  }
}

.choose_box .txt_box {
  width: 44%;
  padding: 65px 0;
}

@media (max-width: 767px) {
  .choose_box .txt_box {
    width: calc(100% - 30px);
    margin: auto;
    padding: 0;
  }
}

.choose_bottom_txt {
  margin: auto;
  text-align: center;
}

@media (max-width: 767px) {
  .choose_bottom_txt {
    width: calc(100% - 10px);
  }
}

.choose_bottom_txt.txt_base p:not(:last-child) {
  margin-bottom: 0;
}

@media (max-width: 767px) {
  .choose_bottom_txt.txt_base p:not(:last-child) {
    margin-bottom: 1em;
  }
}

/*=============================================*/
/*  step01_block                               */
/*=============================================*/
.step01_block {
  padding: 0;
}

.step01_block_top {
  padding: 100px 0;
}

.step01_block_top .step01_list {
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
}

@media (max-width: 767px) {
  .step01_block_top .step01_list {
    flex-flow: column;
    row-gap: 30px;
  }
}

.step01_block_top .step01_list li {
  width: 29%;
}

@media (max-width: 767px) {
  .step01_block_top .step01_list li {
    width: 100%;
  }
}

.step01_block_top .step01_list li a {
  position: relative;
  display: block;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.step01_block_top .step01_list li a:hover {
  opacity: .7;
}

.step01_block_top .step01_list li img {
  border-radius: 300px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
}

@media (max-width: 767px) {
  .step01_block_top .inner {
    width: calc(100% - 70px);
  }
}

.step01_list .efficiency_link a::after {
  position: absolute;
  bottom: -8px;
  right: -8px;
  content: "";
  width: 43%;
  height: 100%;
  background: url(../img/step01-img01-2.svg) no-repeat bottom right/contain;
}

.step01_list .tank_link a::after {
  position: absolute;
  bottom: -8px;
  right: -38px;
  content: "";
  width: 62%;
  height: 100%;
  background: url(../img/step01-img02-2.svg) no-repeat bottom right/contain;
}

@media (max-width: 767px) {
  .step01_list .tank_link a::after {
    right: -20px;
  }
}

.step01_list .sterilization_link a::after {
  position: absolute;
  bottom: -8px;
  right: 0;
  content: "";
  width: 33%;
  height: 100%;
  background: url(../img/step01-img03-2.svg) no-repeat bottom right/contain;
}

/*=============================================*/
/*  step01_child_block                               */
/*=============================================*/
.step01_bottom_block {
  padding-top: 120px;
}

@media (max-width: 767px) {
  .step01_bottom_block {
    padding-top: 70px;
  }
  .step01_bottom_block .efficiency_box {
    padding-top: 0;
  }
}

.step01_bottom_block .white_box {
  margin-bottom: 50px;
  padding: 55px;
  background: #FFF;
  border: solid 1px #707070;
  border-radius: 20px;
}

@media (max-width: 767px) {
  .step01_bottom_block .white_box {
    margin-bottom: 30px;
    padding: 25px 20px;
    border-radius: 10px;
  }
}

.lens_catch_txt {
  margin-bottom: 0.3em;
  text-align: center;
  font-size: clamp(2rem, 3.5vw, 2.8rem);
}

@media (max-width: 767px) {
  .lens_catch_txt {
    margin-bottom: 0.5em;
  }
}

.lens_catch_txt span {
  position: relative;
  display: inline-block;
  font-size: 1em;
  font-weight: 700;
}

@media (max-width: 767px) {
  .lens_catch_txt span {
    padding-left: 2.5em;
    line-height: 1.45;
    text-align: left;
  }
}

.lens_catch_txt span:before {
  display: inline-block;
  content: "";
  width: 54px;
  height: 48px;
  margin-right: 16px;
  background: url(../img/lens-ico.svg) no-repeat center/contain;
  vertical-align: middle;
}

@media (max-width: 767px) {
  .lens_catch_txt span:before {
    position: absolute;
    top: 0;
    left: 0;
    width: 39px;
    height: 35px;
  }
}

.step01_bottom_block .grid_box {
  display: grid;
  grid-template-columns: 34% 66%;
  grid-auto-rows: auto;
  grid-column-gap: 0px;
  grid-row-gap: 17px;
  width: 100%;
  max-width: 737px;
  margin: 0 auto 30px;
}

@media (max-width: 767px) {
  .step01_bottom_block .grid_box {
    grid-template-columns: 1fr;
  }
}

.step01_bottom_block .grid_box .ttl {
  grid-area: 1 / 1 / 2 / 3;
  color: #ED7700;
  text-align: center;
  font-size: clamp(3rem, 5vw, 4.7rem);
  font-weight: 900;
}

@media (max-width: 767px) {
  .step01_bottom_block .grid_box .ttl {
    grid-area: 2 / 1 / 3 / 2;
  }
}

.step01_bottom_block .grid_box .img {
  position: relative;
  grid-area: 2 / 1 / 3 / 2;
}

@media (max-width: 767px) {
  .step01_bottom_block .grid_box .img {
    grid-area: 1 / 1 / 2 / 2;
    width: 63%;
    margin: auto;
  }
}

.step01_bottom_block .grid_box .txt_box {
  grid-area: 2 / 2 / 3 / 3;
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

@media (max-width: 767px) {
  .step01_bottom_block .grid_box .txt_box {
    grid-area: 3 / 1 / 4 / 2;
  }
}

.step01_bottom_block .grid_box .txt_base {
  text-align: center;
  font-size: clamp(2rem, 3vw, 2.5rem);
}

.step01_bottom_block .grid_box .txt_base p {
  line-height: 1.6;
}

.step01_bottom_block .efficiency_box .grid_box .img {
  position: relative;
}

.step01_bottom_block .efficiency_box .grid_box .img::after {
  position: absolute;
  bottom: -8px;
  right: -8px;
  content: "";
  width: 43%;
  height: 100%;
  background: url(../img/step01-img01-2.svg) no-repeat bottom right/contain;
}

.step01_bottom_block .tank_box .grid_box .img {
  position: relative;
}

.step01_bottom_block .tank_box .grid_box .img::after {
  position: absolute;
  bottom: -8px;
  right: -38px;
  content: "";
  width: 62%;
  height: 100%;
  background: url(../img/step01-img02-2.svg) no-repeat bottom right/contain;
}

@media (max-width: 767px) {
  .step01_bottom_block .tank_box .grid_box .img::after {
    right: -20px;
  }
}

.step01_bottom_block .sterilization_box .grid_box .img {
  position: relative;
}

.step01_bottom_block .sterilization_box .grid_box .img::after {
  position: absolute;
  bottom: -8px;
  right: 0;
  content: "";
  width: 33%;
  height: 100%;
  background: url(../img/step01-img03-2.svg) no-repeat bottom right/contain;
}

.water_heater_list {
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  flex-wrap: wrap;
  row-gap: 17px;
  max-width: 737px;
  margin: 0 auto;
}

.water_heater_list li {
  width: 49%;
  padding: 0.5em;
  background: #FDE0A5;
  border-radius: 30px;
  line-height: 1.4;
  text-align: center;
  font-size: clamp(1.7rem, 3vw, 2rem);
}

@media (max-width: 767px) {
  .water_heater_list li {
    width: 100%;
  }
}

.water_heater_list li span {
  display: inline-block;
  margin-left: 1em;
  padding: 0.2em 1.5em 0.25em;
  background: #000;
  border-radius: 30px;
  color: #FFF;
  line-height: 1;
  font-size: 0.7em;
}

@media (max-width: 767px) {
  .water_heater_list li span {
    font-size: 0.75em;
  }
}

.step01_bottom_block .bottom_box {
  margin-top: 50px;
  padding-top: 50px;
  border-top: solid 1px #707070;
}

@media (max-width: 767px) {
  .step01_bottom_block .bottom_box {
    margin-top: 30px;
    padding-top: 30px;
  }
}

.step01_bottom_block .bottom_box .flex_box {
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin-bottom: 20px;
}

@media (max-width: 767px) {
  .step01_bottom_block .bottom_box .flex_box {
    display: block;
  }
}

.step01_bottom_block .bottom_box .flex_box .txt_box {
  width: 50%;
}

@media (max-width: 767px) {
  .step01_bottom_block .bottom_box .flex_box .txt_box {
    width: 100%;
  }
}

.step01_bottom_block .bottom_box .flex_box .img {
  width: 44%;
}

@media (max-width: 767px) {
  .step01_bottom_block .bottom_box .flex_box .img {
    width: 100%;
    margin-top: 20px;
  }
}

.step01_bottom_block .bottom_txt {
  max-width: 481px;
}

.step01_bottom_block .bottom_txt p {
  font-family: "Yu Gothic Medium", "游ゴシック Medium", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
}

@media (max-width: 767px) {
  .tank_box .bottom_box .img {
    overflow-x: scroll;
  }
  .tank_box .bottom_box .img img {
    width: 280%;
    max-width: none;
  }
}

/*=============================================*/
/*  step02_block                               */
/*=============================================*/
.step02_block {
  padding-top: 0;
  padding-bottom: 0;
}

.step02_block_top {
  padding-top: 130px;
  padding-bottom: 110px;
}

@media (max-width: 767px) {
  .step02_block_top {
    padding-top: 90px;
    padding-bottom: 80px;
  }
}

.step02_block_top .inner {
  position: relative;
}

.step02_block_top .inner:after {
  position: absolute;
  right: 0;
  bottom: 0;
  content: "";
  width: 107px;
  height: 253px;
  background: url(../img/step02-woman.svg) no-repeat bottom right/contain;
  z-index: 1;
}

@media (max-width: 767px) {
  .step02_block_top .inner:after {
    content: none;
  }
}

@media screen and (max-width: 979px) {
  .step02_block_top .inner:after {
    content: none;
  }
}

.step02_list {
  position: relative;
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  max-width: 767px;
  margin: 0 auto;
  padding-bottom: 100px;
  z-index: 2;
}

@media (max-width: 767px) {
  .step02_list {
    padding-bottom: 0;
  }
}

.step02_list .tab-menu {
  width: 29%;
}

@media (max-width: 767px) {
  .step02_list .tab-menu {
    width: 32%;
  }
}

.step02_bottom_block {
  padding-top: 190px;
}

@media (max-width: 767px) {
  .step02_bottom_block {
    padding-top: 100px;
  }
}

.step02_bottom_block .ttl {
  margin-bottom: 0.8em;
  text-align: center;
  font-size: 3.0rem;
}

.step02_bottom_block .ttl > span {
  position: relative;
  display: inline-block;
  letter-spacing: 0.06em;
  line-height: 1.46;
  font-size: 1em;
  font-weight: 700;
}

.step02_bottom_block .ttl > span:before {
  position: relative;
  top: -5px;
  content: "";
  display: inline-block;
  width: 95px;
  height: 45px;
  margin-right: 20px;
  background: url(../img/bottom-ttl-left.svg) no-repeat center left/contain;
  vertical-align: middle;
}

@media (max-width: 767px) {
  .step02_bottom_block .ttl > span:before {
    content: none;
  }
}

.step02_bottom_block .ttl > span:after {
  position: relative;
  top: -5px;
  content: "";
  display: inline-block;
  width: 117px;
  height: 45px;
  margin-left: 20px;
  background: url(../img/bottom-ttl-right.svg) no-repeat center left/contain;
  vertical-align: middle;
}

@media (max-width: 767px) {
  .step02_bottom_block .ttl > span:after {
    content: none;
  }
}

/*=============================================*/
/*  simulation_block                        */
/*=============================================*/
.simulation_box_wrapper {
  position: relative;
  height: auto;
  min-height: 653px;
}

@media (max-width: 767px) {
  .simulation_box_wrapper {
    padding-top: 210%;
  }
}

.simulation_box {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 50px 15px;
  opacity: 0;
  visibility: hidden;
}

.simulation_box.simulation_first_box {
  opacity: 1;
  visibility: visible;
}

.simulation_box.simulation_first_box.none {
  opacity: 0;
  visibility: hidden;
}

.simulation_box.active {
  opacity: 1;
  visibility: visible;
}

.simulation_box .simulation_ttl {
  margin-bottom: 0.8em;
  text-align: center;
  font-size: clamp(2.2rem, 3.5vw, 2.8rem);
}

.simulation_box .simulation_ttl > span {
  position: relative;
  display: inline-block;
  padding-right: 3em;
  line-height: 1.5;
  font-size: 1em;
  font-weight: 700;
}

@media (max-width: 767px) {
  .simulation_box .simulation_ttl > span {
    padding-right: 0;
  }
}

.simulation_box .simulation_ttl > span:before, .simulation_box .simulation_ttl > span:after {
  content: "";
  display: block;
}

.simulation_box .simulation_ttl > span:after {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  right: 0;
}

@media (max-width: 767px) {
  .simulation_box .simulation_ttl > span:after {
    content: none;
  }
}

.simulation_box .simulation_ttl .big {
  display: inline-block;
  padding: 0 0.3em;
  line-height: 1.5;
  font-size: 1.36em;
}

.simulation_box .img {
  margin-bottom: 12px;
}

.simulation_btn_list {
  display: -ms-flexbox;
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}

.simulation_btn_list li:not(:last-child) {
  margin-right: 40px;
}

.simulation_btn_list button {
  border-radius: 50%;
  cursor: pointer;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.simulation_btn_list button:hover {
  opacity: .7;
}

.simulation_box.gus_box {
  background: #E4EFF9;
}

.simulation_box.gus_box .simulation_ttl > span:before, .simulation_box.gus_box .simulation_ttl > span:after {
  background: url(../img/gus-ico.svg) no-repeat center/contain;
}

.simulation_box.gus_box .simulation_ttl > span:before {
  content: none;
}

@media (max-width: 767px) {
  .simulation_box.gus_box .simulation_ttl > span:before {
    content: "";
    height: 40px;
    margin: 0 auto 10px;
  }
}

.simulation_box.gus_box .simulation_ttl > span:after {
  width: 77px;
  height: 60px;
}

.simulation_box.oil_box {
  background: #FBE9EB;
}

.simulation_box.oil_box .simulation_ttl > span:before, .simulation_box.oil_box .simulation_ttl > span:after {
  background: url(../img/oil-ico.svg) no-repeat center/contain;
}

.simulation_box.oil_box .simulation_ttl > span:before {
  content: none;
}

@media (max-width: 767px) {
  .simulation_box.oil_box .simulation_ttl > span:before {
    content: "";
    height: 46px;
    margin: 0 auto 10px;
  }
}

.simulation_box.oil_box .simulation_ttl > span:after {
  width: 66px;
  height: 76px;
}

.simulation_box.electricity_box {
  background: #FAF3E3;
}

.simulation_box.electricity_box .simulation_ttl > span:before, .simulation_box.electricity_box .simulation_ttl > span:after {
  background: url(../img/electricity-ico.svg) no-repeat center/contain;
}

.simulation_box.electricity_box .simulation_ttl > span:before {
  content: none;
}

@media (max-width: 767px) {
  .simulation_box.electricity_box .simulation_ttl > span:before {
    content: "";
    height: 60px;
    margin: 0 auto 10px;
  }
}

.simulation_box.electricity_box .simulation_ttl > span:after {
  width: 62px;
  height: 88px;
}

.result_box .border_box {
  margin-bottom: 20px;
  padding: 46px 0 28px;
  background: #FFF;
  border: solid 1px #707070;
  border-radius: 20px;
}

@media (max-width: 767px) {
  .result_box .border_box {
    padding: 25px 0;
    border-radius: 10px;
  }
}

.result_box .border_box .img {
  margin-bottom: 30px;
}

.lp_pagetop {
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 999;
}

.lp_pagetop a {
  display: block;
  width: 62px;
  height: 62px;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

@media (max-width: 767px) {
  .lp_pagetop a {
    width: 51px;
    height: 51px;
  }
}

.lp_pagetop a:hover {
  opacity: .7;
}

.pagetop {
  display: none;
}

/*=============================================*/
/*  simulation_tab                        */
/*=============================================*/
/* ラジオボタンは画面に表示しない */
.tab-radio {
  display: none;
}

/* タブメニュー部分 */
.tab-menu {
  cursor: pointer;
  /* クリックできることを示す */
  transition: background-color 0.2s;
  /* 背景色の変化を滑らかに */
}

.tab-menu:hover {
  opacity: 0.7;
}

/* コンテンツは最初はすべて非表示 */
.tab-content-item {
  display: none;
  width: 100%;
  height: auto;
  clear: both;
  /* floatを解除 */
}

/* チェックされたラジオボタンに続くコンテンツを表示 */
#tab01:checked ~ #tabContent01,
#tab02:checked ~ #tabContent02,
#tab03:checked ~ #tabContent03 {
  display: block;
}

/*=============================================*/
/*  simulation_画面移行                        */
/*=============================================*/

/*# sourceMappingURL=style.css.map */