@charset "UTF-8";

:root{
    --ink:#153e9a;
    --circle-light:#d0d8eb;
    --circle-mid:#d0d8eb;
    --box-blue:#295aa9;
    --canvas-w:1500px;
    --canvas-h:610px;
  }

body {
  position: relative;
}
.main_wrapper {
  max-width: 1920px;
  margin: 0 auto;
  position: relative;
}
.mv_band {
  background-image: linear-gradient(90deg, #004ea2, #98d6f6);
  padding: 60px 0;
}
.mv_band .mv_wrap {
  color: #fff;
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 3%;
}
.mv_band .mv_wrap .mv_enclosure {
  font-size: clamp(0.875rem, 0.653rem + 0.46vw, 1rem);
  border: 1px solid #fff;
  padding: 5px 10px;
}
.mv_band .mv_wrap .mv_ttl {
  font-size: clamp(1.875rem, 0.319rem + 3.24vw, 2.75rem);
}
.main_wrapper .main_contents {
  top: auto;
  margin: 0;
}
.mv_bg {
  background-color: #fdfdfd;
  margin-bottom: 10px;
}
.mv_bg .mv_txt {
  width: 80%;
  max-width: 1200px;
  background-image: url("../images/ufb_mv.jpg");
  background-repeat: no-repeat;
  background-size: 100%;
  margin: 0 auto;
  padding: 80px 0 100px;
  text-align: center;
}
.mv_bg .mv_txt .mv_whtbox {
  color: #295aa9;
  font-size: clamp(1rem, 0.111rem + 1.85vw, 1.5rem);
  background-color: #fff;
  padding: 4px 20px;
  margin-bottom: 20px;
  display: inline-block;
}
.mv_bg .mv_txt h2 {
  color: #295aa9;
  font-size: clamp(1.875rem, 0.319rem + 3.24vw, 2.75rem);
  line-height: 1.2;
  margin-bottom: 20px;
}
.mv_bg .mv_txt h2 span {
  color: #333;
  font-size: clamp(1rem, 0.111rem + 1.85vw, 1.5rem);
}
.mv_bg .mv_txt .mv_lead {
  font-size: clamp(0.75rem, 0.306rem + 0.93vw, 1rem);
  margin-bottom: 10px;
}
.mv_bg .mv_txt ul {
  display: flex;
  justify-content: center;
  gap: 2%;
  margin-bottom: 15px;
}
.mv_bg .mv_txt ul li {
  min-width: 260px;
}
.mv_bg .mv_txt ul li a {
  color: #fff;
  font-size: clamp(0.75rem, 0.528rem + 0.46vw, 0.875rem);
  line-height: 1.4;
  background-size: cover;
  background-repeat: no-repeat;
  display: block;
  height: 100%;
  border-radius: 10px;
  padding: 14px 10%;
  position: relative;
}
.mv_bg .mv_txt ul li.washing a {
  background-image: url("../images/washing_lnk.jpg");
}
.mv_bg .mv_txt ul li.ufb a {
  background-image: url("../images/ufb_lnk.jpg");
}
.mv_bg .mv_txt ul li a::after {
  content: "";
  width: clamp(1.5rem, 0.917rem + 1.22vw, 2.375rem);
  height: clamp(1.5rem, 0.917rem + 1.22vw, 2.375rem);
  background-image: url(../images/arrow_wht.svg);
  background-repeat: no-repeat;
  background-size: contain;
  display: inline-block;
  position: absolute;
  bottom: max(-14 / 768 * 100vw, -14px);
  right: max(-8 / 768 * 100vw, -8px);
}
.mv_bg .mv_txt ul li a span {
  font-size: clamp(0.625rem, 0.403rem + 0.46vw, 0.75rem);
}
.mv_bg .mv_txt ul li a img {
  width: 20px;
  margin: 5px auto 0;
}
.mv_bg .mv_txt .mv_com {
  font-size: clamp(0.75rem, 0.528rem + 0.46vw, 0.875rem);
}
.main_contents .menu_wrapper {
  border-bottom: 2px solid #004ea2;
  margin-bottom: 100px;
}
.main_contents .menu_wrap {
  max-width: 1150px;
  display: flex;
  margin: 0 auto 10px;
}
.main_contents .menu_wrap li {
  width: calc(96% / 3);
  margin-right: 2%;
  text-align: center;
}
.main_contents .menu_wrap li:last-child {
  margin: 0;
}
.main_contents .menu_wrap li a {
  margin-bottom: 10px;
}
.main_contents .menu_wrap li a .menu_txt {
  font-size: clamp(0.625rem, 0.181rem + 0.93vw, 0.875rem);
  padding-right: 24px;
  display: inline-block;
  position: relative;
}
.main_contents .menu_wrap li a .menu_txt::after {
  content: "";
  width: 20px;
  height: 14px;
  display: inline-block;
  background-image: url("../images/menu_arrow_aircon-cleaning.png");
  background-repeat: no-repeat;
  background-size: contain;
  position: absolute;
  top: 0;
  bottom: 0;
  right: 0;
  margin: auto 0;
}
.main_contents .menu_wrap li a img {
  width: 30px;
  margin: 0 auto;
}

.lowerlayer_ttl_top {
  margin-bottom: 20px;
  text-align: center;
}
.lowerlayer_ttl_top .ttl_number {
  width: clamp(5rem, 1.667rem + 6.94vw, 6.875rem);
  margin: 0 auto 15px;
}
.lowerlayer_ttl_top h2 {
  display: inline-block;
  position: relative;
}
.lowerlayer_ttl_top h2 .ttl_blue {
  color: #004ea2;
  font-size: clamp(1.125rem, 0.542rem + 1.22vw, 2rem);
  font-weight: bold;
  line-height: 1.4;
}
.lowerlayer_ttl_top h2 .ttl_txt {
  font-size: clamp(2rem, 0.833rem + 2.43vw, 3.75rem);
  font-weight: bold;
  line-height: 1.4;
  padding: 0 40px;
  position: relative;
}
.lowerlayer_ttl_top h2 .ttl_txt::before {
  content: "(";
  color: #004ea2;
  font-size: clamp(2.625rem, 0.625rem + 4.17vw, 5.625rem);
  font-weight: normal;
  position: absolute;
  bottom: min(2 / 1920 * 100vw, 2px);
  left: 0;
}
.lowerlayer_ttl_top h2 .ttl_txt::after {
  content: ")";
  color: #004ea2;
  font-size: clamp(2.625rem, 0.625rem + 4.17vw, 5.625rem);
  font-weight: normal;
  position: absolute;
  bottom: min(2 / 1920 * 100vw, 2px);
  right: 0;
}
.lowerlayer_lead {
  margin-bottom: 60px;
  text-align: center;
}
.lowerlayer_lead .lead_ttl {
  font-size: clamp(1.125rem, 0.792rem + 0.69vw, 1.625rem);
  margin-bottom: 10px;
}
.lowerlayer_lead .lead_txt {
  font-size: clamp(0.875rem, 0.792rem + 0.17vw, 1rem);
}
.ufb_area_wrap {
  background-image: linear-gradient(0deg, #f5f3f1 20%, transparent);
  margin-bottom: 100px;
}
.ufb_area_wrap .ufb_area {
  width: 80%;
  max-width: 1200px;
  background-image: url("../images/ufb01_bg.png");
  background-size: 100%;
  background-position: bottom;
  background-repeat: no-repeat;
  margin: 0 auto;
  padding-bottom: 80px;
}
.ufb_blue_box {
  color: #fff;
  width: 40%;
  background-color: #295aa9;
  padding: 40px;
  font-size: clamp(0.875rem, 0.792rem + 0.17vw, 1rem);
  margin-left: 6%;
}
.ufb_blue_box p.paragraph {
  margin-bottom: 20px;
}

.scale-wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto 60px;
  overflow:hidden;      /* fluid mode: content is scaled to fit, no scrollbar needed */
  position:relative;
}

.chart{
  position:relative;
  width:var(--canvas-w);
  height:var(--canvas-h);
  transform-origin:top left;
}

/* dotted horizontal baseline */
.baseline{
  position:absolute;
  left:0;
  top:535px;
  width:1180px;
  border-top:2px dotted var(--ink);
}

/* diagonal dotted connector, drawn with svg for a clean angled dotted line */
.connector{
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:100%;
  pointer-events:none;
}

/* end-of-line dot */
.end-dot{
  position:absolute;
  left:1174px;
  top:529px;
  width:12px;
  height:12px;
  border-radius:50%;
  background:var(--ink);
}

/* circles */
.circle{
  position:absolute;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
  font-weight:600;
  color:var(--ink);
}

.circle--pore{
  left:15px;
  top:55px;
  width:480px;
  height:480px;
  background:var(--circle-light);
}

.circle--hair{
  left:583px;
  top:270px;
  width:265px;
  height:265px;
  background:var(--circle-mid);
  font-size:26px;
}

.circle--micro{
  left:925px;
  top:415px;
  width:120px;
  height:120px;
  background:var(--circle-mid);
  font-size:13px;
  line-height:1.4;
  text-align:center;
  padding:0 8px;
  white-space:normal;
}

/* size labels under baseline */
.size-label{
  position:absolute;
  top:552px;
  text-align:center;
  font-size:25px;
  font-weight:500;
  white-space:nowrap;
}
.size-label--pore{ left:15px; width:480px; }
.size-label--hair{ left:583px; width:265px; }
.size-label--micro{ left:865px; width:240px; }

/* callout box */
.callout{
  position:absolute;
  left:895px;
  top:10px;
  width:565px;
  height:335px;
  background:var(--box-blue);
  border-radius:26px;
  color:#fff;
  text-align:center;
}

.callout h2{
  margin:0;
  padding-top:28px;
  font-size:30px;
  font-weight:700;
  letter-spacing:.06em;
}

.callout p{
  margin:10px 0 0;
  font-size:24px;
  font-weight:500;
}

.callout-inner{
  margin:24px auto 0;
  width:470px;
  height:130px;
  background:#fff;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:14px;
}

.callout-inner .lead{
  font-size:27px;
  font-weight:600;
  color:var(--ink);
  white-space:nowrap;
}

.fraction{
  display:flex;
  flex-direction:column;
  align-items:center;
  font-size:29px;
  font-weight:600;
  color:var(--ink);
  line-height:1.35;
}
.fraction .num{
  padding:0 4px 4px;
}
.fraction .den{
  padding:4px 4px 0;
  border-top:2.5px solid var(--ink);
}

/* speech-bubble tail pointing from the box down to the end dot */
.callout-tail{
  position:absolute;
  left:1150px;
  top:345px;
  width:0;
  height:0;
  border-left:30px solid transparent;
  border-right:30px solid transparent;
  border-top:190px solid var(--box-blue);
}
.blue_bg_area {
  background-color: #295aa9;
  padding: 100px 0;
  margin-bottom: 100px;
}
.blue_bg_area h3 {
  color: #fff;
  font-size: clamp(1.125rem, 0.542rem + 1.22vw, 2rem);
  margin-bottom: 20px;
  text-align: center;
}
.blue_bg_area > p {
  color: #fff;
  font-size: clamp(0.75rem, 0.306rem + 0.93vw, 1rem);
  text-align: center;
}
.blue_bg_area > ul {
  width: 80%;
  max-width: 900px;
  margin: 80px auto 20px;
  display: flex;
  gap: 6%;
}
.blue_bg_area > ul li {
  width: calc(96% / 2);
  background-color: #fff;
  border-radius: 20px;
  padding: 20px 20px 40px;
  position: relative;
}
.blue_bg_area > ul li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  border-style: solid;
  border-width: 0 20px 34px 20px;
  border-color: transparent transparent #ffffff;
  translate: -50% -100%;
}
.blue_bg_area > ul li .ufb_nature_top {
  width: 60%;
  margin: 0 auto 10px;
}
.blue_bg_area > ul li .nature_txt {
  font-size: clamp(1.125rem, 0.542rem + 1.22vw, 2rem);
  text-align: center;
}
.blue_bg_area > ul li .fiber_txt {
  font-size: clamp(0.75rem, 0.306rem + 0.93vw, 1rem);
  background-color: #efefef;
  text-align: center;
  padding: 5px;
  margin-bottom: 10px;
}
.blue_bg_area > ul li .action_wrap {
  position: relative;
}
.blue_bg_area > ul li .action_wrap .circle_wrap {
  color: #fff;
  width: clamp(3.75rem, 1.528rem + 4.63vw, 5rem);
  height: clamp(3.75rem, 1.528rem + 4.63vw, 5rem);
  background-color: #295aa9;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: 0;
  left: max(-40 / 1200 * 100vw, -40px);
}
.blue_bg_area > ul li .action_wrap .circle_wrap .problem {
  font-size: clamp(0.625rem, 0.403rem + 0.46vw, 0.75rem);
  margin-bottom: 2px;
}
.blue_bg_area > ul li .action_wrap .circle_wrap .circle_number {
  width: clamp(0.938rem, -0.729rem + 3.47vw, 1.875rem);
}
.blue_bg_area > ul li .action_txt {
  font-size: clamp(0.875rem, 0.792rem + 0.17vw, 1rem);
  width: calc(100% - 60px);
  margin-left: auto;
  padding-top: 12px;
}
.blue_bg_area > p.blue_bg_com {
  font-size: clamp(0.875rem, 0.792rem + 0.17vw, 1rem);
}
.reasonufb_area {
  margin-bottom: 100px;
}
.reasonufb_area .recruitment_list {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 40px;
  display: flex;
  gap: 1%;
}
.reasonufb_area .recruitment_list li {
  width: calc(98% / 3);
  text-align: center;
  position: relative;
}
.reasonufb_area .recruitment_list li .circle_wrap {
  color: #fff;
  width: 80px;
  height: 80px;
  background-color: #004ea2;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: absolute;
  top: max(-40 / 1200 * 100vw, -40px);
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
}
.reasonufb_area .recruitment_list li .circle_wrap .problem {
  font-size: 10px;
  margin-bottom: 2px;
}
.reasonufb_area .recruitment_list li .circle_wrap .circle_number {
  width: clamp(1rem, -0.556rem + 3.24vw, 1.875rem);
}
.reasonufb_area .recruitment_list li figure {
  margin-bottom: 10px;
}
.reasonufb_area .recruitment_list li > p {
  font-size: clamp(0.875rem, 0.653rem + 0.46vw, 1rem);
}
.reasonufb_area .btn_bluearrow {
  width: 80%;
  max-width: 560px;
}
.reasonufb_area .btn_bluearrow a {
  font-size: clamp(0.75rem, 0.482rem + 1.34vw, 1.125rem);
  height: 70px;
  line-height: 70px;
}
.reasonufb_area .btn_bluearrow a::after {
  width: clamp(2rem, 0.889rem + 2.31vw, 2.625rem);
  height: clamp(2rem, 0.889rem + 2.31vw, 2.625rem);
}
.bg_gradation {
  background-image: linear-gradient(transparent, #b9ebfe80 20%, #32b4fe 70%, #edf0f5 86%);
  /*background-image: linear-gradient(#efefef 20%, #9de3fd 60%, #dfe2e9 90%, transparent);*/
  padding-top: 80px;
}
.bg_gradation .howtowashing_area {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 100px;
}
.bg_gradation .howtowashing_area .movie_wrap iframe {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
}
.bgimg_area {
  width: 90%;
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 80px;
  background-image: url("../images/practice_area_bg.png");
  background-position: bottom;
  background-repeat: no-repeat;
  background-size: 100%;
  padding-bottom: 120px;
}
.bgimg_area .practice_area {
  margin-bottom: 250px;
}
.bgimg_area .practice_area h3 {
  color: #295aa9;
  font-size: clamp(1rem, 0.111rem + 1.85vw, 1.5rem);
  border: 1px solid #295aa9;
  padding: 10px 40px;
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 40px;
  text-align: center;
}
.bgimg_area .practice_area .scene_list {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 20px;
  display: flex;
  flex-wrap: wrap;
  gap:5%;
}
.bgimg_area .practice_area .scene_list li {
  width: calc(90% / 3);
  background-color: #fff;
  padding: 30px;
}
.bgimg_area .practice_area .scene_list li:nth-child(-n+3) {
  margin-bottom: 30px;
}
.bgimg_area .practice_area .scene_list li .howto_practice {
  font-size: clamp(1rem, 0.333rem + 1.39vw, 1.375rem);
  line-height: 1.4;
  text-align: center;
  margin-bottom: 10px;
}
.bgimg_area .practice_area .scene_list li .howto_practice span {
  font-size: clamp(0.875rem, 0.431rem + 0.93vw, 1.125rem);
  display: block;
}
.bgimg_area .practice_area .scene_list li figure img {
  width: 50%;
  margin: 0 auto 10px;
}
.bgimg_area .practice_area .scene_list li:nth-child(n+5) figure img {
  margin-bottom: 20px;
}
.bgimg_area .practice_area .howto_practice_com {
  color: #fff;
  font-size: clamp(0.75rem, 0.528rem + 0.46vw, 0.875rem);
  text-align: center;
}
.ufb_bottom {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
.ufb_bottom .serif_font {
  width: 60%;
  font-family: serif;
  font-size: clamp(1rem, 0.778rem + 0.46vw, 1.125rem);
}
.ufb_bottom .serif_font span {
  font-size: clamp(1.125rem, 0.458rem + 1.39vw, 1.5rem);
  font-weight: bold;
  display: block;
}

/*英語対応*/
.translated-ltr .reasonufb_area .lowerlayer_lead {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 60px;
}



/*     SP
------------------------------*/
@media (max-width: 768px) {
  .main_wrapper {
    width: 100%;
    max-width: 100%;
  }
  .sp_header {
    background-color: #fff;
    padding: 20px 20px 20px 22px;
  }
  .sp_header .logo_img {
    width: 50%;
  }
  .mv_band .mv_wrap {
    flex-direction: column;
  }
  .mv_band .mv_wrap .mv_enclosure {
    margin-bottom: 10px;
  }
  .mv_band .mv_wrap .mv_ttl {
    font-size: clamp(1.75rem, 0.417rem + 2.78vw, 2.5rem);
    text-align: center;
  }
  .lowerlayer_lead .lead_ttl {
    font-size: clamp(1rem, 0.554rem + 2.23vw, 1.625rem);
  }
  .lowerlayer_ttl_top .ttl_number {
    width: 60px;
  }
  .lowerlayer_ttl_top h2 .ttl_txt {
    padding: 0;
  }
  .lowerlayer_ttl_top h2 .ttl_txt::before, .lowerlayer_ttl_top h2 .ttl_txt::after {
    content: none;
  }
  .lowerlayer_lead .lead_ttl {
    line-height: 1.5;
  }
  .lowerlayer_lead .lead_txt {
    width: 80%;
    margin: 0 auto;
    text-align: center;
  }
  .mv_bg {
    background-image: linear-gradient(90deg, #8bcad7, #ffffff);
    margin-bottom: 100px;
  }
  .mv_bg .mv_txt {
    width: 100%;
    padding: 20px;
    background-image: url("../images/ufb_mv_sp.jpg");
    background-repeat: repeat;
  }
  .mv_bg .mv_txt h2 {
    margin-bottom: 10px;
  }
  .mv_bg .mv_txt ul {
    flex-direction: column;
    gap: 20px;
  }
  .ufb_blue_box {
    width: 100%;
    margin: 0;
    padding: 30px;
  }
  .blue_bg_area {
    padding: 60px 0;
  }
  .blue_bg_area > ul {
    flex-direction: column;
    gap: 30px;
    margin: 40px auto 20px;
  }
  .blue_bg_area > ul li {
    width: 100%;
  }
  .blue_bg_area > ul li::before {
    content: none;
  }
  .blue_bg_area > ul li .action_wrap .circle_wrap {
    top: 50%;
    transform:  translateY(-50%);
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
  }
  .blue_bg_area > ul li .action_txt {
    width: calc(100% - 60px);
  }
  .blue_bg_area > p.blue_bg_com {
    width: 80%;
    margin: 0 auto;
  }
  .reasonufb_area .lowerlayer_lead {
    width: 80%;
    margin: 0 auto 40px;
  }
  .reasonufb_area .recruitment_list {
    flex-direction: column;
    gap: 40px;
  }
  .reasonufb_area .recruitment_list li {
    width: 100%;
  }
  .reasonufb_area .recruitment_list li .circle_wrap {
    top: max(-60 / 1200 * 100vw, -60px);
  }
  .bgimg_area {
    width: 100%;
    background-image: none;
    padding-bottom: 80px;
  }
  .bgimg_area .practice_area {
    margin-bottom: 100px;
  }
  .bgimg_area .practice_area .scene_list {
    flex-direction: column;
    gap: 20px;
  }
  .bgimg_area .practice_area .scene_list li {
    width: 100%;
  }
  .bgimg_area .practice_area .scene_list li:nth-child(-n+3) {
    margin: 0;
  }
  .bgimg_area .practice_area .howto_practice_com {
    color: #333;
    width: 80%;
    margin: 0 auto;
  }
  .ufb_bottom .serif_font {
    width: 100%;
  }
  .translated-ltr .reasonufb_area .btn_bluearrow a {
    line-height: 1.4;
    padding: 20px 10px;
  }

}

/*     PC
------------------------------*/
@media (min-width: 769px) {

}