@charset "UTF-8";

body {
  position: relative;
}
.main_wrapper {
  max-width: 1920px;
  margin: 0 auto;
  position: relative;
}
.main_wrapper .mv_wraper {
  position: relative;
}
.main_wrapper .mv_wraper .mv_img {
  max-height: 450px;
}
.main_wrapper .mv_wraper .mv_img img {
  width: 100vw;
  max-height: 450px;
  object-fit: cover;
  object-position: center;
}
.main_wrapper .mv_wraper .mv_txt {
  position: absolute;
  top: min(40 / 1920 * 100vw, 40px);
  left: 50%;
  transform: translateX(-50%);
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  margin-left: max(-120 / 1200 * 100vw, -120px);
}
.main_wrapper .mv_wraper h1 {
  font-size: clamp(2.375rem, -0.292rem + 5.56vw, 3.875rem);
  line-height: 1.2;
  margin-bottom: 10px;
}
.main_wrapper .mv_wraper .mv_ttl {
  color: #00b8ee;
  font-size: clamp(1.625rem, 0.736rem + 1.85vw, 2.125rem);
  font-weight: bold;
  margin-bottom: 5px;
}
.main_wrapper .mv_wraper .mv_com {
  font-size: clamp(0.75rem, 0.306rem + 0.93vw, 1rem);
}

.main_contents .menu_wrapper {
  margin: 180px 0 100px;
  border-bottom: 2px solid #00b8ee;
}
.main_contents .menu_wrap {
  max-width: 1150px;
  display: flex;
  margin: 0 auto 10px;
}
.main_contents .menu_wrap li {
  width: calc(92% / 5);
  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.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;
}
.main_contents .education_area {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto 60px;
}
.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: #00b8ee;
  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: #00b8ee;
  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: #00b8ee;
  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);
}
.main_contents .education_area .education_list {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}
.main_contents .education_area .education_list > li {
  width: calc(88% / 3);
  margin-right: 6%;
}
.main_contents .education_area .education_list > li:nth-child(3) {
  margin-right: 0;
}
.main_contents .education_area .education_list > li:nth-child(-n+3) {
  margin-bottom: 8%;
}
.main_contents .education_area .education_list > li h3 {
  font-size: clamp(1.125rem, 0.958rem + 0.35vw, 1.375rem);
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
  padding-bottom: 8px;
  position: relative;
}
.main_contents .education_area .education_list > li h3::after {
  content: "";
  width: 100%;
  height: 2px;
  background-color: #00b8ee;
  display: inline-block;
  position: absolute;
  bottom: 0;
  left: 0;
}
.main_contents .education_area .education_list > li figure {
  width: 40%;
  margin: 0 auto 10px;
}
.main_contents .education_area .education_list > li .education_ttl {
  font-size: clamp(1rem, 0.833rem + 0.35vw, 1.25rem);
  font-weight: bold;
  line-height: 1.5;
  text-align: center;
  margin-bottom: 12px;
}
.main_contents .education_area .education_list > li .number_list > li {
  font-size: clamp(0.75rem, 0.583rem + 0.35vw, 1rem);
  line-height: 1.5;
  margin-bottom: 7px;
  padding-left: 24px;
  position: relative;
}
.main_contents .education_area .education_list > li .number_list > li:last-child {
  margin-bottom: 0;
}
.main_contents .education_area .education_list > li .number_list > li::before {
  color: #b3b2b3;
  font-size: clamp(0.75rem, 0.583rem + 0.35vw, 1rem);
  position: absolute;
  top: -1px;
  left: 6px;
}
.main_contents .education_area .education_list > li .number_list > li::after {
  content: "";
  width: clamp(1.125rem, 0.958rem + 0.35vw, 1.375rem);
  height: clamp(1.125rem, 0.958rem + 0.35vw, 1.375rem);
  border: 1px solid #b3b2b3;
  border-radius: 50%;
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
}
.main_contents .education_area .education_list > li .number_list > li:first-child::before {
  content: "1";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(2)::before {
  content: "2";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(3)::before {
  content: "3";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(4)::before {
  content: "4";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(5)::before {
  content: "5";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(6)::before {
  content: "6";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(7)::before {
  content: "7";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(8)::before {
  content: "8";
}
.main_contents .education_area .education_list > li .number_list > li:nth-child(8)::before {
  content: "9";
}
.introduction_area {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #f1f1f1;
  padding: 80px 0 60px;
}
.introduction_area .tech__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  display: flex;
}
.introduction_area .tech__bg-item {
  flex: 1 1 50%;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}
.introduction_area .tech__bg-item--left {
  background-image: url("../images/coating_bg.jpg");
}
.introduction_area .tech__bg-item--right {
  background-image: url("../images/finebubble_bg.jpg");
}
.introduction_area .tech__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    to bottom,
    #e8eaec               0%,
    #f1f1f1               4%,
    rgba(244, 246, 247, .98) 26%,
    rgba(246, 248, 249, .78) 50%,
    rgba(252, 253, 253, .32) 60%,
    rgba(255, 255, 255, 0)   65%
  );
}
.introduction_area .introduction_flex {
  display: flex;
  max-width: 1200px;
  margin-inline: auto;
  padding-left: 0;
  list-style: none;
}
.introduction_area .introduction_flex > li {
  flex: 1 1 50%;
  min-width: 0;
  text-align: center;
}
.introduction_area .introduction_flex > li .introduction_wht_box {
  font-size: clamp(0.875rem, 0.653rem + 0.46vw, 1rem);
  background-color: #fff;
  border-radius: 100px;
  padding: 4px 20px;
  margin-bottom: 20px;
  display: inline-block;
}
.introduction_area .introduction_flex > li h3 {
  color: #fff;
  font-size: clamp(1.25rem, 0.806rem + 0.93vw, 1.5rem);
  margin-bottom: 60px;
}
.introduction_area .introduction_flex > li:last-child h3 {
  margin-bottom: 25px;
}
.introduction_area .introduction_flex > li .introduction_txt {
  color: #fff;
  font-size: clamp(0.875rem, 0.653rem + 0.46vw, 1rem);
  margin-bottom: 60px;
}
.introduction_area .introduction_flex > li .btn_whtarrow {
  width: 300px;
  margin: 0 auto;
}
.synergy_area {
  padding: 80px 0 100px;
  background-image: url("../images/synergy_area_bg.jpg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: bottom;
}
.synergy_area .btn_bluearrow {
  width: 80%;
  max-width: 800px;
}
.synergy_area .btn_bluearrow a {
  font-size: clamp(1.125rem, 0.681rem + 0.93vw, 1.375rem);
  height: 80px;
  line-height: 80px;
}
.synergy_area .btn_bluearrow a::after {
  width: clamp(1.875rem, -0.347rem + 4.63vw, 3.125rem);
  height: clamp(1.875rem, -0.347rem + 4.63vw, 3.125rem);
  bottom: max(-26 / 768 * 100vw, -26px);
}
.reporting_area {
  background-image: url("../images/reporting_area_bg.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  padding: 80px 0;
}
.reporting_area > ul {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
}
.reporting_area > ul li {
  width: 90%;
  max-width: 1100px;
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 26px;
  border: 2px solid #231815;
  border-radius: 24px;
  padding: 30px 50px;
  background-color: #fff;
  margin: 0 auto 60px;
}
.reporting_area > ul li:nth-child(4) {
  width: 100%;
  max-width: 1200px;
  border: 3px solid #231815;
}
.reporting_area > ul li:last-child {
  margin-bottom: 0;
}
.reporting_area > ul li::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -26px;
  width: 50px;
  height: 50px;
  border-right: 2px solid #231815;
  border-bottom: 2px solid #231815;
  background-color: #fff;
  transform: translateX(-50%) rotate(45deg);
  z-index: 2;
}
.reporting_area > ul li:nth-child(4)::after {
  border-right: 3px solid #231815;
  border-bottom: 3px solid #231815;
}
.reporting_area > ul li:last-child::after {
  content: none;
}
.reporting_area > ul li figure {
  flex: 0 0 auto;
  width: clamp(5rem, 0.556rem + 9.26vw, 7.5rem);
  height: clamp(5rem, 0.556rem + 9.26vw, 7.5rem);
}
.reporting_area > ul li .reporting_txt h3 {
  font-size: clamp(1.25rem, 0.806rem + 0.93vw, 1.5rem);
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}
.reporting_area > ul li .reporting_txt h3 span {
  flex: 0 0 auto;
  font-size: clamp(2.25rem, 1.806rem + 0.93vw, 2.5rem);
  line-height: 1;
}
.reporting_area > ul li .reporting_txt p {
  font-size: clamp(0.75rem, 0.306rem + 0.93vw, 1rem);
}
.available_area {
  margin: 80px 0;
  text-align: center;
}
.available_area ul {
  width: 70%;
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
}
.available_area ul li {
  text-align: center;
  width: calc(96% / 3);
  margin-right: 2%;
}
.available_area ul li:last-child {
  margin: 0;
}
.available_area ul li figcaption {
  font-size: clamp(0.875rem, -0.014rem + 1.85vw, 1.375rem);
  line-height: 1.4;
}
.available_area .available_arrow {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto 10px;
}
.available_area .available_bottom_txt {
  font-size: clamp(1.125rem, 0.681rem + 0.93vw, 1.375rem);
  border: 3px solid #231815;
  padding: 16px 26px;
  display: inline-block;
}
.voice_area {
  background-image: linear-gradient(90deg, #1e89ca 30%, #094d94);
  padding: 80px 0;
}
.voice_area h2 {
  width: clamp(12.5rem, -4.611rem + 35.65vw, 22.125rem);
  margin: 0 auto 20px;
}
.voice_area .voice_lead {
  color: #fff;
  font-size: clamp(1.125rem, 0.792rem + 0.69vw, 1.625rem);
  text-align: center;
  margin-bottom: 40px;
}
.voice_area ul {
  width: 80%;
  max-width: 1200px;
  margin: 0 auto;
}
.voice_area ul li {
  position: relative;
  border-radius: 24px;
  padding: 0 50px 20px;
  background-color: #fff;
  margin: 0 auto 60px;
  text-align: center;
}
.voice_area ul li::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -13px;
  width: 26px;
  height: 26px;
  background-color: #fff;
  transform: translateX(-50%) rotate(45deg);
  z-index: 2;
}
.voice_area ul li h3 {
  color: #fff;
  font-size: clamp(1rem, 0.778rem + 0.46vw, 1.125rem);
  font-weight: bold;
  background-image: linear-gradient(90deg, #1e89ca 30%, #094d94);
  padding: 6px 30px;
  margin-bottom: 10px;
  display: inline-block;
}
.voice_area ul li h3 span {
  font-size: clamp(0.875rem, 0.764rem + 0.23vw, 0.938rem);
}
.voice_area ul li .voice_head {
  font-size: clamp(1.125rem, 0.681rem + 0.93vw, 1.375rem);
  font-weight: bold;
  margin-bottom: 10px;
}
.voice_area ul li .voice_txt {
  text-align: left;
  font-size: clamp(0.875rem, 0.653rem + 0.46vw, 1rem);
}
.voice_area .btn_whtarrow {
  width: 60%;
  max-width: 700px;
  margin: 0 auto;
}
.voice_area .btn_whtarrow a {
  font-size: clamp(1.125rem, 0.681rem + 0.93vw, 1.375rem);
  height: 80px;
  line-height: 70px;
}
.voice_area .btn_whtarrow a::after {
  width: clamp(1.875rem, -0.347rem + 4.63vw, 3.125rem);
  height: clamp(1.875rem, -0.347rem + 4.63vw, 3.125rem);
}





/*     SP
------------------------------*/
@media (max-width: 768px) {
  .main_wrapper {
    width: 100%;
    max-width: 100%;
  }
  .main_wrapper .mv_wraper .mv_img {
    max-height: none;
  }
  .main_wrapper .mv_wraper .mv_img img {
    max-height: none;
    object-fit: fill;
  }
  .main_wrapper .mv_wraper .mv_txt {
    width: 80%;
    top: min(160 / 768 * 100vw, 160px);
    left: min(80 / 768 * 100vw, 80px);
    transform: none;
    margin: 0;
  }
  .main_wrapper .mv_wraper h1 {
    font-size: clamp(2.125rem, 1.857rem + 1.34vw, 2.5rem);
    margin-bottom: 4px;
  }
  .main_wrapper .mv_wraper .mv_ttl {
    font-size: clamp(1rem, 0.554rem + 2.23vw, 1.625rem);
    margin-bottom: 2px;
  }
  .main_wrapper .mv_wraper .mv_com {
    font-size: clamp(0.75rem, 0.393rem + 1.79vw, 1.25rem);
  }
  .lowerlayer_lead .lead_ttl {
    font-size: clamp(1rem, 0.554rem + 2.23vw, 1.625rem);
  }
  .main_contents .education_area {
    margin: 40px auto 60px;
  }
  .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 {
    text-align: left;
  }
  .main_contents .education_area .education_list {
    display: block;
  }
  .main_contents .education_area .education_list li {
    width: 90%;
    margin: 0 auto 40px;
  }
  .main_contents .education_area .education_list > li:nth-child(-n+3) {
    margin-bottom: 40px;
  }
  .main_contents .education_area .education_list > li:nth-child(3) {
    margin: 0 auto 40px;
  }
  .main_contents .education_area .education_list > li .number_list > li::before {
    top: 1px;
    left: 6px;
  }
  .lowerlayer_lead .lead_txt {
    width: 80%;
    margin: 0 auto;
  }
  .introduction_area .introduction_flex > li:first-child .introduction_txt {
    margin-bottom: 40px;
  }
  .introduction_area .introduction_flex > li .introduction_wht_box {
    font-size: clamp(0.625rem, 0.446rem + 0.89vw, 0.875rem);
    line-height: 1.4;
  }
  .introduction_area .introduction_flex > li h3 {
    font-size: clamp(0.875rem, 0.696rem + 0.89vw, 1.125rem);
  }
  .introduction_area .introduction_flex > li .introduction_txt {
    font-size: clamp(0.625rem, 0.446rem + 0.89vw, 0.875rem);
  }
  .introduction_area .introduction_flex > li .btn_whtarrow {
    width: 90%;
    max-width: 280px;
  }
  .introduction_area .introduction_flex > li .btn_whtarrow a {
    font-size: clamp(0.625rem, 0.446rem + 0.89vw, 0.875rem);
    height: 40px;
    line-height: 32px;
  }
  .introduction_area .introduction_flex > li .btn_whtarrow a::after {
    width: clamp(1.375rem, 1.107rem + 1.34vw, 1.75rem);
    height: clamp(1.375rem, 1.107rem + 1.34vw, 1.75rem);
  }
  .synergy_area {
    background-image: url("../images/synergy_area_bg_sp.jpg");
    padding: 60px 0 40px;
  }
  .synergy_area .btn_bluearrow {
    max-width: 400px;
  }
  .synergy_area .btn_bluearrow a {
    font-size: clamp(0.75rem, 0.661rem + 0.45vw, 0.875rem);
    height: 46px;
    line-height: 46px;
  }
  .reporting_area > ul li {
    width: 100%;
    padding: 15px 20px 25px;
    display: block;
  }
  .reporting_area > ul li::after {
    bottom: -11px;
    width: 20px;
    height: 20px;
  }
  .reporting_area > ul li figure {
    width: clamp(3.75rem, 1.071rem + 13.39vw, 7.5rem);
    height: clamp(3.75rem, 1.071rem + 13.39vw, 7.5rem);
    margin: 0 auto;
  }
  .reporting_area > ul li .reporting_txt h3 {
    align-items: flex-start;
    justify-content: center;
  }
  .available_area ul {
    width: 80%;
  }
  .available_area ul li figcaption {
    font-size: clamp(0.625rem, 0.268rem + 1.79vw, 1.125rem);
  }
  .available_area .available_bottom_txt {
    width: 80%;
    font-size: clamp(0.875rem, 0.696rem + 0.89vw, 1.125rem);
    border: none;
    padding: 0;
  }
  .voice_area ul li {
    padding: 0 30px 20px;
  }
  .voice_area ul li h3 {
    padding: 6px 20px;
  }
  .voice_area ul li .voice_head {
    line-height: 1.4;
  }
  .voice_area .btn_whtarrow {
    width: 80%;
  }
  .voice_area .btn_whtarrow a {
    font-size: clamp(0.75rem, 0.482rem + 1.34vw, 1.125rem);
    height: 70px;
    line-height: 60px;
  }
  .translated-ltr .introduction_wht_box .translated-ltr_none {
    display: none;
  }
  .translated-ltr .introduction_area .introduction_flex > li .btn_whtarrow a {
    font-size: 10px;
  }
  .translated-ltr .synergy_area .btn_bluearrow a {
    line-height: 1.4;
    padding-top: 6px;
  }
}

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

}