@charset "utf-8";
@import url("https://fonts.googleapis.com/css2?family=Mulish:ital,wght@0,200..1000;1,200..1000&family=Noto+Sans+JP:wght@100..900&family=Noto+Serif+JP:wght@600&display=swap");

* {
  box-sizing: border-box;
}

html {
  font-size: 62.5%; /* 16px * 62.5% = 10px */
  width: 100%;
  max-width: 100vw;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  width: 100%;
  max-width: 100vw;
  min-width: 1000px;
  color: #595959;
  background-color: #fff;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.6rem;
  font-weight: 400;
  line-height: normal;
  letter-spacing: 0;
  text-align: left;
}

h2 {
  font-family: "Mulish", sans-serif;
  font-weight: 700;
  font-size: 4.6rem;
  letter-spacing: 0.05em;
  color: #282728;
}

h3 {
  font-size: 2.4rem;
  font-weight: 700;
  color: #595959;
}

p {
  font-size: 1.6rem;
}

a {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  text-decoration: none;
  color: #595959;
}

ul li {
  list-style: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

address {
  text-decoration: none;
  font-size: 1.4rem;
  font-weight: 500;
  font-style: normal;
  color: #595959;
}

small {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0 0 50px;
  font-size: 1.2rem;
  letter-spacing: 0.3em;
  color: #575757;
}

.flex {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
}

.wrapper-75 {
  width: 75%;
  min-width: 750px;
  max-width: 1280px;
  margin: 0 auto;
}

.link-policy {
	width: fit-content;
    margin: 50px auto 20px;
    font-size: 1.2rem;
    font-weight: 400;
    text-align: center;
}

.mobile {
  display: none;
}

@media (max-width: 420px) {
  body {
    min-width: 375px;
    font-size: 1.4rem;
    font-weight: 400;
  }

  h2 {
    font-size: 3.5rem;
  }

  h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #595959;
  }

  .mobile {
    display: block;
  }

  .pc {
    display: none;
  }

  .wrapper-75 {
    width: 95%;
    min-width: 345px;
  }

  p {
    font-size: 1.4rem;
  }

  address {
    font-size: 1.2rem;
  }

  small {
    padding: 15px 0;
    font-size: 1rem;
    letter-spacing: 0.03em;
  }
}

/* section-title */
.section-title {
  position: relative;
  margin: 0 auto 50px;
  text-align: center;
}

.section-title::after {
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.4rem;
  font-weight: 400;
}

.strengths .section-title::after {
  content: "弊社の強み";
}

.course .section-title::after {
  content: "サービス";
}

.case .section-title::after {
  content: "事例";
}

.flow .section-title::after {
  content: "導入の流れ";
}

.news .section-title,
.company .section-title,
.recruit .section-title {
  text-align: left;
}

.news .section-title::after {
  content: "お知らせ";
  left: 0;
  transform: translateX(0);
}

.video .section-title::after {
  content: "メディア掲載";
}

.company .section-title,
.recruit .section-title {
  width: max-content;
  color: #fff;
}

.company .section-title::after {
  content: "企業情報";
  left: 0;
  transform: translateX(0);
  color: #fff;
}

.recruit .section-title::after {
  content: "採用情報";
  left: 0;
  transform: translateX(0);
  color: #fff;
}

.contact .section-title {
  color: #fff;
}

.contact .section-title::after {
  content: "お問い合わせ";
  color: #fff;
}

.section-title.fadeIn::after {
  transform: translate(-50%, 10px);
  opacity: 0;
  transition: all 0.3s 0.3s;
}

.section-title.fadeIn.start::after {
  transform: translate(-50%, 0);
  opacity: 1;
}

.news .section-title.fadeIn::after {
  transform: translate(0, 10px);
  opacity: 0;
  transition: all 0.3s 1s;
}

.news .section-title.fadeIn.in::after {
  transform: translate(0, 0);
  opacity: 1;
}

@media (max-width: 420px) {
  .section-title {
    margin-bottom: 40px;
  }

  .section-title::after {
    font-size: 1.2rem;
  }

  .news .section-title::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .company .section-title,
  .recruit .section-title {
    width: 100%;
    margin: 0 0 0px;
  }
}

/* button */
.button {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: nowrap;
  gap: 20px;
  position: relative;
  width: fit-content;
  color: #0599d9;
  transition: all 0.3s;
}

.button.mobile {
  display: none;
}

.company .button,
.recruit .button {
  color: #fff;
}

.button::after {
  content: "";
  display: inline-block;
  transform: rotate(45deg);
  width: 0.5em;
  height: 0.5em;
  border-top: 2px solid #0599d9;
  border-right: 2px solid #0599d9;
}

.btn-bg {
  position: relative;
  justify-content: center;
  width: 350px;
  height: 70px;
  margin: 0 auto;
  border: 1px solid #0599d9;
  background-color: #fff;
  letter-spacing: normal;
  color: #0599d9;
}

.btn-bg::after {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%) rotate(45deg);
}

.button:hover {
  color: #333;
}

.button:hover::after {
  border-top: 2px solid #333;
  border-right: 2px solid #333;
}

.button:hover.btn-bg {
  background-color: #0599d9;
  border: 1px solid #fff;
  color: #fff;
}

.button:hover.btn-bg:after {
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
}

@media (max-width: 420px) {
  .button {
    margin: 30px 0 0 auto;
  }

  .button.pc {
    display: none;
  }

  .btn-bg {
    width: 90%;
    margin: 0 auto 30px;
  }
}

/* header */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100px;
  background: #fff;
  padding: 0 20px;
  z-index: 9999;
}

.header-wrapper {
  justify-content: space-between;
  height: 100%;
}

h1 {
  width: 20%;
  max-width: 270px;
}

.header-button {
  justify-content: flex-end;
  gap: 10px;
}

.tel-btn a {
  position: relative;
  font-size: 3.6rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.05em;
}

.tel-btn a:before {
  content: "";
  display: inline-block;
  position: absolute;
  top: 25px;
  left: -35px;
  transform: translateY(-50%);
  width: 0.8em;
  height: 0.8em;
  background-image: url(../img/phone-call.svg);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
}

.reception {
  text-align: center;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: normal;
}

.recruit-btn,
.contact-btn {
  height: 60px;
}

.recruit-btn {
  width: 130px;
  background-color: #0484bc;
}

.contact-btn {
  width: 170px;
  background-color: #da0000;
}

.recruit-btn a,
.contact-btn a {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  font-weight: 700;
  color: #fff;
}

.contact-btn a {
  position: relative;
}

.contact-btn a::before {
  content: "";
  display: inline-block;
  position: absolute;
  top: 50%;
  left: 10px;
  transform: translateY(-50%);
  width: 1em;
  height: 1em;
  background-image: url("../img/mail.svg");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center center;
}

.tel-icon {
  display: inline-block;
  width: 50px;
  height: 50px;
  border: 1px solid #0599d9;
}

@media (max-width: 420px) {
  header {
    height: 50px;
    padding: 0 5px;
  }

  header h1 {
    width: 125px;
  }

  .sp-header-button {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    flex: 1;
    gap: 5px;
  }

  .tel-btn {
    width: 30px;
    height: 30px;
    border: 1px solid #0194d4;
  }

  .tel-btn a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
  }

  .tel-btn a svg {
    width: 70%;
    height: 70%;
  }

  .tel-btn a:before {
    display: none;
  }

  .recruit-btn,
  .contact-btn {
    height: 30px;
  }

  .recruit-btn {
    width: 60px;
  }

  .contact-btn {
    width: 30px;
  }

  .recruit-btn a {
    font-size: 1rem;
  }

  .contact-btn a::before {
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
  }

  .hamburger-btn {
    position: relative;
    width: 30px;
    height: 30px;
    border: 1px solid #0194d4;
  }

  .hamburger-btn span {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background-color: #0194d4;
  }

  .hamburger-btn span:nth-child(1) {
    top: 8px;
  }

  .hamburger-btn span:nth-child(2) {
    top: 14px;
  }

  .hamburger-btn span:nth-child(3) {
    top: 20px;
  }

  #hamburger span {
    transition: transform 0.5s;
  }

  #navigation {
    position: absolute;
    top: -100vh;
    left: 0;
    width: 100%;
    padding: 100px 0 50px;
    background-color: #fff;
    z-index: -1;
    transition: top 0.5s;
  }

  .sp-nav-list {
    width: max-content;
    margin: 0 auto;
  }

  .sp-nav-item {
    width: fit-content;
    margin-bottom: 30px;
    font-size: 1.6rem;
    font-weight: 700;
  }

  .sp-nav-item:first-child ul {
    margin-top: 30px;
    margin-left: 30px;
  }

  .sp-nav-item:first-child ul li {
    position: relative;
  }

  .sp-nav-item:first-child ul li:before {
    content: "";
    display: inline-block;
    position: absolute;
    top: 50%;
    left: -20px;
    transform: translate(-100%, -50%) rotate(45deg);
    width: 0.5em;
    height: 0.5em;
    border-top: 2px solid #5070b2;
    border-right: 2px solid #5070b2;
  }

  .sp-nav-item:first-child ul li:first-child {
    margin-bottom: 30px;
  }

  /* hamburger open */
  #hamburger.open span:nth-child(1) {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(40deg);
  }

  #hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  #hamburger.open span:nth-child(3) {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-40deg);
  }

  #navigation.open {
    top: 0;
  }
}

/* navigation */
.nav {
  margin-top: 100px;
  border-top: 1px solid #dfdfdf;
  border-bottom: 1px solid #dfdfdf;
  background-color: #fff;
}

.nav-item {
  position: relative;
  padding: 20px 40px;
  font-weight: 500;
}

.nav-item a {
  font-weight: 500;
}

.nav-item:not(:last-child)::after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
  width: 1px;
  height: 16px;
  background-color: #0194d4;
}

.accordion {
  display: none;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translate(-50%, 100%);
  width: max-content;
    padding: 70px 10px 50px;
    background: linear-gradient(0deg, #fff, #fff 95%, transparent 95%);
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.09);
}

.acc-parent:hover .accordion {
  display: flex;
  flex-direction: column;
  gap: 30px;
  z-index: 9999;
}

.accordion li {
  font-size: 1.8rem;
}

.accordion li a{
  position: relative;
  padding: 0.5em 50px;
}

.accordion li a:before {
  content: "";
  display: inline-block;
  position: absolute;
  top: 50%;
  left: 25px;
  transform: translateY(-50%) rotate(45deg);
  width: 0.5em;
  height: 0.5em;
  border-top: 2px solid #5070b2;
  border-right: 2px solid #5070b2;
}

@media (max-width: 420px) {
  .nav {
    display: none;
  }
}

/* contact */
.contact {
  padding: 120px 0;
  background-image: url(../img/logo.png);
  background-color: #0599d9;
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: center left 10%;
  text-align: center;
  color: #fff;
}

.contact p {
  padding-bottom: 50px;
}

@media (max-width: 420px) {
  .contact {
    padding: 50px 0;
    background-size: 100%;
    background-position: top 50% left -100px;
  }

  .contact p {
    padding-bottom: 30px;
  }
}

/* SDGs */
.sdgs {
  position: relative;
  padding: 75px 0;
  background-color: #f7f7f7;
}

.sdgs::after {
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 75%;
  height: 1px;
  background-color: #ccc;
}

.sdgs-btn {
  width: 50%;
  max-width: 1000px;
  margin: 0 auto;
  transition: opacity 0.3s;
}

.sdgs-btn:hover {
  opacity: 0.6;
}

@media (max-width: 420px) {
  .sdgs-btn {
    width: 95%;
  }
}

/* footer */
footer {
  background-color: #f7f7f7;
}
.footer-wrapper {
  align-items: flex-start;
  justify-content: space-between;
  padding: 100px 0 120px;
}

.footer__address-area {
  width: 40%;
}

.footer__address-area figure {
  width: 250px;
}

.footer__nav {
  width: 50%;
  padding: 90px 0;
}

.footer__nav-list {
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  height: 150px;
  gap: 30px 30px;
}

.footer__nav-item {
  font-size: 1.8rem;
  font-weight: 700;
}

.footer__nav-item a {
  display: flex;
  width: fit-content;
  justify-content: flex-start;
  align-items: center;
  font-size: 1.8rem;
}

.footer__course-btn::before {
  content: "";
  display: inline-block;
  transform: rotate(45deg);
  width: 0.5em;
  height: 0.5em;
  margin-right: 15px;
  border-top: 2px solid #0599d9;
  border-right: 2px solid #0599d9;
}

@media (max-width: 420px) {
  .sdgs {
    position: relative;
    padding: 55px 0;
    background-color: #f7f7f7;
  }

  .sdgs::after {
    width: 95%;
  }

  .footer__nav-list {
    gap: 30px;
    width: max-content;
    height: auto;
    margin: 0 auto;
  }

  .footer__nav-item {
    font-size: 1.6rem;
  }

  .footer__nav-item a {
    font-size: 1.6rem;
  }

  .footer__course-btn::before {
    width: 0.3em;
    height: 0.3em;
    margin-right: 5px;
  }
}

/* scroll top */
.page-top {
  position: fixed;
  top: 85%;
  right: 5%;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: #0599d9;
  opacity: 0;
  transition: opacity 0.3s;
  z-index: 999;
}

.page-top.active {
  opacity: 1;
}

.page-top:hover {
  opacity: 0.8;
}

.page-top a {
  width: 100%;
  height: 100%;
}

.page-top a svg {
  width: 50%;
  height: 50%;
  transform: rotate(180deg);
}

.page-top a svg path {
  fill: #fff;
}

@media (max-width: 420px) {
  .page-top {
    width: 50px;
    height: 50px;
  }
}

/* 下層共通 */
.page-title {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  height: 300px;
  background-color: #0599d9;
  background-image: url(../img/logo.png);
  background-size: 50%;
  background-repeat: no-repeat;
  background-position: center left 10%;
}

.page-title h2 {
  text-align: center;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 4.2rem;
  font-weight: 400;
  color: #fff;
}

.page-title p {
  font-family: "Mulish", sans-serif;
  text-transform: uppercase;
  font-weight: 700;
  color: #fff;
}

.breadcrumb {
  margin: 10px auto 0;
}

.breadcrumb__list {
  justify-content: flex-start;
  gap: 15px;
}

.breadcrumb__list-item,
.breadcrumb__list-item a {
  font-size: 1.6rem;
  font-weight: 400;
}

.breadcrumb__list-item:not(:last-child) {
  display: inline-flex;
  justify-content: flex-start;
  align-items: center;
  gap: 15px;
}

.breadcrumb__list-item:not(:last-child)::after {
  content: ">";
}

@media (max-width: 420px) {
  .page-header {
    margin-top: 50px;
  }

  .page-title {
    height: 160px;
  }

  .page-title h2 {
    font-size: 2.8rem;
  }

  .breadcrumb__list-item,
  .breadcrumb__list-item a {
    font-size: 1.4rem;
  }
}