/*
Theme Name: itss
Theme URL: 
Description: itss homepage
Author: Office K
Version: 1.0.0
Tags: Web
*/
@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-weight: 400;
  src: url("font/Noto_Sans_JP/static/NotoSansJP-Regular.ttf") format("truetype");
}
@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-weight: 500;
  src: url("font/Noto_Sans_JP/static/NotoSansJP-SemiBold.ttf") format("truetype");
}
@font-face {
  font-family: "Noto Sans JP";
  font-style: normal;
  font-weight: 700;
  src: url("font/Noto_Sans_JP/static/NotoSansJP-Bold.ttf") format("truetype");
}
/* ===========================================
 * COMMON
 * ======================================== */
/* definition: color */
/* ======================================== */
/* definition: font-size */
/* ======================================== */
/* definition: mixin */
/* ======================================== */
/* definition: default-style */
/* ======================================== */
body {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
}

section {
  opacity: 0;
  transition: 0.3s all;
  transition-delay: 0.5s;
}

p, h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: #384158;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0.05em;
}

.fadein {
  opacity: 1 !important;
}

a {
  color: #384158;
  text-decoration: none;
}
a:hover {
  color: #384158;
  text-decoration: none;
}

ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

*, *:before, *:after {
  box-sizing: border-box;
}

/* definition: animation */
/* ======================================== */
@keyframes circle-move {
  0% {
    top: -5px;
  }
  100% {
    top: 80px;
  }
}
@keyframes circle-move-hide {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  80% {
    opacity: 0.9;
  }
  100% {
    opacity: 0;
  }
}
@keyframes transparent-marker {
  0% {
    width: 100%;
  }
  100% {
    width: 0;
  }
}
/* header */
/* ======================================== */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 100%;
  height: 96px;
  padding: 24px 10%;
  background-color: transparent;
  transition: 0.3s all;
}
header .header-logo {
  display: none;
}
header .header-logo__link--sp {
  font-size: 18px;
}
header .header-menu {
  display: none;
}
header .header-menu--sp {
  opacity: 0;
  position: fixed;
  top: -100vh;
  left: 0;
  z-index: 1001;
  width: 100%;
  height: 100vh;
  padding: 104px 10% 48px;
  background-color: #384158;
  transition: 0.5s;
}
header .header-menu--sp.clicked {
  opacity: 1;
  top: 0;
}
header .header-menu--sp .header-logo {
  display: block;
  margin: 0 0 16px;
}
header .header-menu--sp .header-logo__link {
  color: #FFFFFF;
  font-size: 18px;
}
header .header-menu--sp .header-address__text {
  color: #FFFFFF;
  font-size: 16px;
}
header .header-menu__list--sp {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 0 0 48px;
}
header .header-menu__link--sp {
  color: #FFFFFF;
}
header .hamburger-menu {
  position: fixed;
  top: 24px;
  right: 10%;
  z-index: 1002;
  width: 56px;
  height: 56px;
  border-radius: 28px;
  border: 1px solid #384158;
  background-color: #FFFFFF;
  transition: 0.3s;
}
header .hamburger-menu:after {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  color: #384158;
  font-size: 10px;
  content: "MENU";
}
header .hamburger-menu span {
  position: absolute;
  left: 16px;
  width: 20px;
  height: 1px;
  border-radius: 1px;
  background-color: #384158;
  transition: 0.3s;
}
header .hamburger-menu span:first-of-type {
  top: 14px;
}
header .hamburger-menu span:last-of-type {
  top: 24px;
}
header .hamburger-menu.clicked {
  border: 1px solid #FFFFFF;
  background-color: #384158;
}
header .hamburger-menu.clicked::after {
  color: #FFFFFF;
}
header .hamburger-menu.clicked span {
  background-color: #FFFFFF;
}
header .hamburger-menu.clicked span:first-of-type {
  transform: translateY(5px) rotate(-45deg);
}
header .hamburger-menu.clicked span:last-of-type {
  transform: translateY(-5px) rotate(45deg);
}

@media (min-width: 768px) {
  header .header-logo__link--sp {
    font-size: 22px;
  }
  header .header-menu--sp .header-logo__link {
    font-size: 22px;
  }
  header .header-menu--sp .header-address__text {
    font-size: 16px;
  }
  header .header-menu__link--sp {
    font-size: 18px;
  }
}
@media (min-width: 1200px) {
  header.white {
    background-color: #FFFFFF;
  }
  header .header-logo {
    display: block;
  }
  header .header-logo__link {
    font-size: 22px;
  }
  header .header-menu {
    display: block;
  }
  header .header-menu--sp {
    display: none;
  }
  header .header-menu__list {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  header .header-menu__item {
    position: relative;
  }
  header .header-menu__item::after {
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #384158;
    transition: 0.3s;
    content: "";
  }
  header .header-menu__item:hover::after {
    width: 100%;
  }
  header .header-menu__item--action .header-menu__link {
    padding: 12px 24px;
    border: 1px solid #1C74BC;
    border-radius: 24px;
    background-color: #1C74BC;
    color: #FFFFFF;
    transition: 0.3s;
  }
}
@media (min-width: 1200px) and (min-width: 1200px) {
  header .header-menu__item--action .header-menu__link:hover {
    background-color: #FFFFFF;
    color: #1C74BC;
  }
}
@media (min-width: 1200px) {
  header .hamburger-menu {
    display: none;
  }
}
/* footer */
/* ======================================== */
footer {
  background-color: #384158;
}
footer .footer-contents {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px 10%;
}
footer .footer-contents .footer-column {
  width: 100%;
}
footer .footer-contents .footer-column .footer-logo {
  margin: 0 0 16px;
}
footer .footer-contents .footer-column .footer-logo__link {
  color: #FFFFFF;
  font-size: 18px;
}
footer .footer-contents .footer-column .footer-address__text {
  color: #FFFFFF;
  font-size: 16px;
}
footer .footer-contents .footer-column .footer-menu__item {
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
  padding: 12px 0;
}
footer .footer-contents .footer-column .footer-menu__link {
  color: #FFFFFF;
  font-size: 16px;
}
footer .footer-copyright {
  padding: 16px;
  border-top: 2px solid #D9D9D9;
}
footer .footer-copyright__text {
  margin: 0;
  color: #FFFFFF;
  font-size: 14px;
  text-align: center;
}

@media (min-width: 768px) {
  footer .footer-contents .footer-column .footer-logo__link {
    font-size: 22px;
  }
  footer .footer-contents .footer-column .footer-address__text {
    font-size: 18px;
  }
  footer .footer-contents .footer-column .footer-menu__link {
    font-size: 18px;
  }
  footer .footer-copyright__text {
    font-size: 16px;
  }
}
@media (min-width: 1200px) {
  footer .footer-contents {
    flex-direction: row;
    gap: 48px;
    padding: 48px 10%;
  }
  footer .footer-contents .footer-column {
    width: calc((100% - 48px) / 2);
  }
  footer .footer-contents .footer-column .footer-menu__item {
    padding: 12px 24px;
  }
  footer .footer-contents .footer-column .footer-menu__item::before {
    opacity: 0;
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 4px;
    background-color: #FFFFFF;
    transition: 0.3s;
    content: "";
  }
  footer .footer-contents .footer-column .footer-menu__item::after {
    position: absolute;
    bottom: 0;
    left: 24px;
    width: 0;
    height: 1px;
    background-color: #FFFFFF;
    transition: 0.3s;
    content: "";
  }
  footer .footer-contents .footer-column .footer-menu__item:hover::before {
    opacity: 1;
  }
  footer .footer-contents .footer-column .footer-menu__item:hover::after {
    width: calc(100% - 48px);
  }
  footer .footer-copyright {
    padding: 24px;
    border-top: 2px solid #D9D9D9;
  }
}
/* ===========================================
 * FRONTPAGE
 * ======================================== */
/* top */
/* ======================================== */
.top {
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  height: 100vh;
  padding: 192px 10% 96px;
}
.top-heading {
  position: relative;
  z-index: 3;
}
.top-heading__title {
  font-size: 24px;
  text-align: center;
  transition-delay: 0.5s;
}
.top-heading__title span {
  display: block;
  transition-delay: 0.5s;
}
.top-scroll-down {
  display: flex;
  flex-direction: column;
  gap: 16px;
  opacity: 0;
  position: relative;
  z-index: 3;
  transition: 0.3s all;
  transition-delay: 1.5s;
}
.top-scroll-down__text {
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto;
  font-size: 14px;
}
.top-scroll-down__line {
  position: relative;
  width: 1px;
  height: 80px;
  margin: 0 auto;
  background-color: #384158;
}
.top-scroll-down__line::after {
  position: absolute;
  top: 0;
  left: -4px;
  width: 8px;
  height: 8px;
  border-radius: 4px;
  background-color: #384158;
  animation: circle-move 2s ease-in-out infinite, circle-move-hide 2s ease-out infinite;
  content: "";
}
.top-bg {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100vh;
  background-attachment: local;
  background-image: url("./img/bg-top-mobile.jpeg");
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
}
.top-bg::after {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 100vh;
  background: linear-gradient(transparent, rgba(255, 255, 255, 0.3) 50%, #FFFFFF);
  content: "";
}

@media (min-width: 768px) {
  .top {
    height: 100%;
  }
  .top-heading__title {
    font-size: 28px;
  }
  .top-bg {
    height: 70.625vw;
  }
  .top-bg::after {
    height: 100%;
  }
}
@media (min-width: 1200px) {
  .top {
    height: 100vh;
    padding: 30vh 10% 96px;
  }
  .top-heading__title {
    font-size: 40px;
  }
  .top-bg {
    height: 100vh;
    background-image: url("./img/bg-top.jpeg");
  }
}
/* misson */
/* ======================================== */
.misson {
  position: relative;
  z-index: 3;
  padding: 48px 10%;
  transition-delay: 0.5s;
}
.misson-heading {
  display: flex;
  flex-direction: column;
  gap: 48px;
  margin: 0 0 48px;
}
.misson-heading__title {
  opacity: 0;
  position: relative;
  width: 100%;
  padding: 22px 0 12px;
  font-size: 22px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.misson-heading__title::before {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 14px;
  content: "MISSON";
}
.misson-heading__title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background-color: #1C74BC;
  content: "";
}
.misson-heading__lead {
  opacity: 0;
  width: 100%;
  font-size: 16px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.misson-list__item {
  opacity: 0;
  margin: 0 0 48px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.misson-list__item:last-of-type {
  margin: 0;
}
.misson-list__subtitle {
  position: relative;
  padding: 0 0 0 64px;
  margin: 0 0 32px;
  font-size: 18px;
}
.misson-list__subtitle::before {
  position: absolute;
  top: 50%;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: #1C74BC;
  content: "";
}
@media (min-width: 768px) {
  .misson-heading__title {
    padding: 26px 0 12px;
    font-size: 26px;
  }
  .misson-heading__lead {
    font-size: 18px;
  }
  .misson-list__subtitle {
    font-size: 22px;
  }
}
@media (min-width: 1200px) {
  .misson-heading {
    align-items: center;
    flex-direction: row;
  }
  .misson-heading__title {
    width: calc((100% - 48px) / 2);
    padding: 32px 0 12px;
    font-size: 32px;
  }
  .misson-heading__title::before {
    font-size: 16px;
  }
  .misson-heading__lead {
    width: calc((100% - 48px) / 2);
  }
  .misson-list__subtitle {
    font-size: 24px;
  }
}
/* service */
/* ======================================== */
.service {
  position: relative;
  padding: 48px 10%;
  background-color: #F8F9FB;
}
.service::before {
  position: absolute;
  top: 48px;
  left: 96px;
  z-index: 1;
  transform: rotate(90deg);
  transform-origin: top left;
  color: #D4D9DF;
  font-size: 96px;
  content: "SERVICE";
}
.service-heading {
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  z-index: 2;
  margin: 0 0 48px;
}
.service-heading__title {
  opacity: 0;
  position: relative;
  width: 100%;
  padding: 32px 0 12px;
  font-size: 22px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.service-heading__title::before {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 14px;
  content: "SERVICE";
}
.service-heading__title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background-color: #1C74BC;
  content: "";
}
.service-heading__lead {
  opacity: 0;
  width: 100%;
  font-size: 16px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.service-list {
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: relative;
  z-index: 2;
}
.service-list__item {
  display: flex;
  flex-direction: column;
  gap: 32px;
  opacity: 0;
  width: 100%;
  border-radius: 4px;
  padding: 24px;
  background-color: #FFFFFF;
  box-shadow: 0 0 8px rgba(162, 169, 180, 0.2);
  counter-increment: service-item;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.service-list__bg {
  position: relative;
  width: 96px;
  height: 96px;
  border-radius: 48px;
  margin: 0 auto;
  background-color: #384158;
  text-align: center;
}
.service-list__image {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  transform: translate(-50%, -50%);
  width: 50%;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
  -o-object-position: center;
     object-position: center;
}
.service-list__subtitle {
  position: relative;
  width: -moz-fit-content;
  width: fit-content;
  padding: 0 0 0 32px;
  margin: 0 auto;
  font-size: 16px;
}
.service-list__subtitle::before {
  opacity: 0.5;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  font-size: 10px;
  content: "0" counter(service-item);
}

@media (min-width: 768px) {
  .service::before {
    left: 128px;
    font-size: 128px;
  }
  .service-heading__title {
    padding: 26px 0 12px;
    font-size: 26px;
  }
  .service-heading__lead {
    font-size: 18px;
  }
  .service-list {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .service-list__item {
    width: calc((100% - 32px) / 2);
  }
  .service-list__subtitle {
    font-size: 18px;
  }
}
@media (min-width: 1200px) {
  .service-heading {
    align-items: center;
    flex-direction: row;
  }
  .service-heading__title {
    width: calc((100% - 48px) / 2);
    padding: 32px 0 12px;
    font-size: 32px;
  }
  .service-heading__title::before {
    font-size: 16px;
  }
  .service-heading__lead {
    width: calc((100% - 48px) / 2);
  }
  .service-list__item {
    width: calc((100% - 64px) / 3);
  }
  .service-list__subtitle::before {
    font-size: 12px;
  }
}
/* member */
/* ======================================== */
.member {
  position: relative;
  padding: 48px 10%;
  background-color: #F8F9FB;
}
.member::before {
  position: absolute;
  top: 48px;
  left: 96px;
  z-index: 1;
  transform: rotate(90deg);
  transform-origin: top left;
  color: #D4D9DF;
  font-size: 96px;
  content: "MEMBER";
}
.member-heading {
  position: relative;
  z-index: 2;
  margin: 0 auto 48px;
}
.member-heading__title {
  opacity: 0;
  position: relative;
  width: 100%;
  padding: 32px 0 12px;
  font-size: 22px;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.member-heading__title::before {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 14px;
  content: "MEMBER";
}
.member-heading__title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background-color: #1C74BC;
  content: "";
}
.member-list {
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  z-index: 2;
}
.member-list__item {
  display: flex;
  flex-direction: column;
  gap: 32px;
  opacity: 0;
  position: relative;
  width: 100%;
  border-radius: 4px;
  padding: 24px 24px 48px;
  background-color: #FFFFFF;
  box-shadow: 0 0 8px rgba(162, 169, 180, 0.2);
  transition: 0.3s;
  transition-delay: 0.5s;
}
.member-list__name {
  position: relative;
  padding: 0 0 16px;
  font-size: 16px;
}
.member-list__name::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #384158;
  content: "";
}
.member-list__logo {
  width: auto;
  height: 30px;
  -o-object-fit: contain;
     object-fit: contain;
}
.member-list-specialty {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.member-list-specialty__item {
  width: -moz-fit-content;
  width: fit-content;
  padding: 4px 8px;
  border-radius: 15px;
  background-color: #384158;
}
.member-list-specialty__text {
  color: #FFFFFF;
  font-size: 14px;
}
.member-list__link {
  position: absolute;
  bottom: 24px;
  right: 24px;
  width: 40px;
  height: 40px;
  border: 1px solid #1C74BC;
  border-radius: 20px;
  background-color: #1C74BC;
  transition: 0.3s;
}
.member-list__link::after {
  position: absolute;
  bottom: 11px;
  right: 11px;
  color: #FFFFFF;
  font-family: "Font Awesome 6 Free";
  font-size: 16px;
  font-weight: 700;
  content: "\f061";
}

@media (min-width: 768px) {
  .member::before {
    left: 128px;
    font-size: 128px;
  }
  .member-heading__title {
    padding: 26px 0 12px;
    font-size: 26px;
  }
}
@media (min-width: 1200px) {
  .member-heading__title {
    width: calc((100% - 48px) / 2);
    padding: 32px 0 12px;
    margin: 0 auto;
    font-size: 32px;
    text-align: center;
  }
  .member-heading__title::before {
    left: 50%;
    transform: translateX(-50%);
    font-size: 16px;
  }
  .member-heading__title::after {
    left: 50%;
    transform: translateX(-50%);
  }
  .member-list {
    flex-direction: row;
    flex-wrap: wrap;
  }
  .member-list__item {
    width: calc((100% - 48px) / 2);
    padding: 24px;
  }
  .member-list__name {
    font-size: 20px;
  }
  .member-list__link::after {
    bottom: 9px;
    font-size: 20px;
  }
  .member-list__link:hover {
    background-color: #FFFFFF;
  }
  .member-list__link:hover::after {
    color: #1C74BC;
  }
}
/* contact */
/* ======================================== */
.contact {
  display: flex;
  flex-direction: column;
  gap: 48px;
  position: relative;
  padding: 48px 10%;
}
.contact::before {
  position: absolute;
  top: 48px;
  left: 96px;
  z-index: 1;
  transform: rotate(90deg);
  transform-origin: top left;
  color: #E3E6EA;
  font-size: 96px;
  content: "CONTACT";
}
.contact-column {
  opacity: 0;
  position: relative;
  z-index: 2;
  width: 100%;
  transition: 0.3s;
  transition-delay: 0.5s;
}
.contact-heading {
  margin: 0 0 48px;
}
.contact-heading__title {
  position: relative;
  width: 100%;
  padding: 32px 0 12px;
  margin: 0 0 48px;
  font-size: 22px;
}
.contact-heading__title::before {
  position: absolute;
  top: 0;
  left: 0;
  font-size: 14px;
  content: "CONTACT";
}
.contact-heading__title::after {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background-color: #1C74BC;
  content: "";
}
.contact-heading__lead {
  font-size: 16px;
}
.contact-remark {
  display: flex;
  flex-direction: column;
  gap: 16px;
  height: 216px;
  padding: 24px;
  border: 2px solid #D9D9D9;
  overflow-y: scroll;
  background-color: #FFFFFF;
}
.contact-remark__title {
  font-size: 16px;
}
.contact-remark__text {
  font-size: 16px;
}
.contact-remark__text--right {
  text-align: right;
}
.contact-remark__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-remark__item {
  color: #384158;
  font-size: 16px;
}
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 24px;
  background-color: #F8F9FB;
}
.contact-form__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.contact-form__input {
  padding: 4px 8px;
  border: 1px solid #D9D9D9;
  border-radius: 4px;
}
.contact-form__input:focus {
  outline: #384158 1px solid;
}
.contact-form__input--textarea {
  height: 240px;
  border: 1px solid #D9D9D9;
  border-radius: 4px;
}
.contact-form__input--textarea:focus {
  outline: #384158 1px solid;
}
.contact-form__button {
  padding: 12px 24px;
  border: 1px solid #1C74BC;
  border-radius: 24px;
  background-color: #1C74BC;
  color: #FFFFFF;
  transition: 0.3s;
}
@media (min-width: 1200px) {
  .contact-form__button:hover {
    background-color: #FFFFFF;
    color: #1C74BC;
  }
}

@media (min-width: 768px) {
  .contact::before {
    left: 128px;
    font-size: 128px;
  }
  .contact-heading__title {
    padding: 26px 0 12px;
    font-size: 26px;
  }
  .contact-heading__lead {
    font-size: 18px;
  }
}
@media (min-width: 1200px) {
  .contact {
    flex-direction: row;
  }
  .contact-column {
    width: calc((100% - 48px) / 2);
  }
  .contact-heading__title {
    padding: 32px 0 12px;
    font-size: 32px;
  }
  .contact-heading__title::before {
    font-size: 16px;
  }
  .contact-remark__title {
    font-size: 20px;
  }
}/*# sourceMappingURL=style.css.map */