@charset "UTF-8";
body {
  font-size: 18px;
  font-family: "Noto Serif JP", serif;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.05rem;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.5s ease;
}

.sp {
  display: none;
}

.pc {
  display: block;
}

a {
  line-height: 0;
  word-wrap: break-word;
}

img {
  width: 100%;
}

h2 {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
  margin-bottom: 10px;
}

nav,
footer {
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 700;
}

section {
  width: 100%;
}

.copyright {
  text-align: center;
  font-size: 12px;
}

header {
  text-align: center;
}
header h1 {
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1;
  margin: 0;
  height: 50px;
}
header h1 img {
  width: 120px;
}
header nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  opacity: 0;
  z-index: -1;
  transition: all 0.3s;
}
header nav::after {
  position: absolute;
  content: "";
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  z-index: 5;
}
header nav .nav_cts {
  position: relative;
  z-index: 10;
}
header nav .logo {
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 1;
  margin: 0;
  height: 50px;
}
header nav .logo img {
  width: 120px;
}
header nav .nav_links {
  padding: 80px 0 0;
}
header nav .nav_links li {
  text-align: center;
}
header nav .nav_links li:not(:last-of-type) {
  margin: 0 0 15px;
}
header nav .nav_links li:last-of-type {
  font-size: 14px;
  margin: 30px 0 20px;
}
header nav .sns_logos {
  width: 80px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
header nav .sns_logos a {
  font-size: 0;
}
header nav .sns_logos a img {
  width: 15px;
}
header nav.nav_active {
  opacity: 1;
  z-index: 10;
}

.mv {
  overflow: hidden;
}
.mv video {
  width: 100%;
}

.mission {
  width: 86%;
  margin: 0 auto;
  border-bottom: 1px solid #9d9d9d;
}
.mission .sec_txt {
  padding: 15% 0;
  text-align: center;
}
.mission .sec_txt h2 {
  font-size: 3rem;
  line-height: 2;
  font-weight: 600;
}
.mission .sec_txt h3 {
  font-size: 2.2rem;
  letter-spacing: 0.5rem;
}

.service {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 86%;
  margin: 0 auto;
  padding: 0 5%;
  border-bottom: 1px solid #9d9d9d;
}
.service .sec_img {
  width: 40%;
}
.service .sec_txt {
  width: 420px;
  margin-left: 5%;
  padding: 8% 0;
}
.service .sec_txt h2 {
  font-size: 3rem;
  line-height: 1.6;
  font-weight: 600;
}
.service .sec_txt h3 {
  font-size: 1.6rem;
  margin-bottom: 30px;
}
.service .sec_txt .service_txt {
  margin-bottom: 60px;
}
.service .sec_txt .service_btn {
  width: 280px;
  text-align: center;
  color: #666;
  padding: 20px;
  border-radius: 60px;
  background: #fff;
  box-shadow: 2px 2px 10px #999;
}
.service .sec_txt .service_btn a {
  display: block;
  font-size: 14px;
}

.overview {
  width: 86%;
  margin: 0 auto;
  padding: 6% 0;
}
.overview h2 {
  text-align: center;
  margin-bottom: 4%;
  font-size: 1.2rem;
}
.overview .corporate_list {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
}
.overview .corporate_list dt {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid #9d9d9d;
}
.overview .corporate_list dd {
  margin-bottom: 20px;
  padding-bottom: 10px;
}
.overview .corporate_list dd:first-of-type {
  border-bottom: 1px solid #9d9d9d;
}

.contact {
  padding: 0 0 6%;
}
.contact .contact_img {
  width: 85%;
}
.contact h2 {
  text-align: center;
  margin: 8% 0 3%;
  font-size: 1.2rem;
}
.contact h3 {
  width: 90%;
  margin: 0 auto 3%;
  text-align: center;
}
.contact .contact_btn {
  width: 280px;
  text-align: center;
  margin: 0 auto;
  padding: 10px;
  border-radius: 60px;
  background: #fff;
  box-shadow: 2px 2px 10px #999;
}
.contact .contact_btn a {
  display: block;
}
.contact .contact_btn a img {
  width: 30px;
}

footer .nav_links {
  padding: 40px 0;
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
}
footer .nav_links li {
  text-align: center;
}
footer .nav_links li:not(:last-of-type) {
  margin: 0 0 20px;
}
footer .nav_links li:last-of-type {
  font-size: 14px;
  margin-top: 40px;
}
footer .logo {
  text-align: center;
  padding: 20px 0;
  line-height: 0;
  border-bottom: 1px solid #fff;
}
footer .logo img {
  width: 120px;
}
footer .copyright {
  padding: 15px 0;
}

/*　プライバシーポリシー　*/
#privacypolicy.dark-mode footer {
  background: #2b2b2b;
}
#privacypolicy.light-mode footer {
  background: none;
}

.privacypolicy {
  width: 90%;
  max-width: 840px;
  margin: 0 auto;
  padding: 100px 0;
  line-height: 2.4;
}
.privacypolicy h2 {
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  font-size: 14px;
}
.privacypolicy h3 {
  font-size: 14px;
}
.privacypolicy .privacy_dl {
  font-size: 14px;
}
.privacypolicy .privacy_dl dt {
  margin: 40px 0 10px;
}
.privacypolicy .privacy_dl .privacy_dd_dl dd .privacy_note {
  margin-top: 80px;
}
.privacypolicy .privacy_dl .privacy_list li {
  padding-left: 14px;
  text-indent: -14px;
}
.privacypolicy .list_last {
  font-size: 14px;
  margin-top: 50px;
}

/* フェードアップ */
.fadeUp {
  animation-name: fadeUpAnime;
  animation-duration: 1s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeUpAnime {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* フェードダウン */
.fadeDown {
  animation-name: fadeUpAnime;
  animation-duration: 0.7s;
  animation-fill-mode: forwards;
  opacity: 0;
}

@keyframes fadeUpAnime {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
/* ふわふわ */
.floating {
  animation: floating-y 3s ease-in-out;
}

@keyframes floating-y {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-3%);
  }
  100% {
    transform: translateY(0);
  }
}
/*オープンボタン*/
.openbtn2 {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 50px;
  height: 50px;
  cursor: pointer;
  z-index: 30;
  opacity: 0;
}
.openbtn2.active {
  position: fixed;
}

.openbtn2 span {
  display: inline-block;
  transition: all 0.4s;
  position: absolute;
  left: 13px;
  height: 2px;
  background-color: #fff;
}

.openbtn2 span:nth-of-type(1) {
  top: 10px;
  width: 30%;
}

.openbtn2 span:nth-of-type(2) {
  top: 18px;
  width: 30%;
}

.openbtn2.active span:nth-of-type(1) {
  top: 8px;
  left: 16px;
  transform: translateY(6px) rotate(-45deg);
  width: 30%;
  background-color: #fff;
}

.openbtn2.active span:nth-of-type(2) {
  top: 20px;
  left: 16px;
  transform: translateY(-6px) rotate(45deg);
  width: 30%;
  background-color: #fff;
}

/*モードボタン*/
.mode_switch {
  position: absolute;
  top: 18px;
  right: 70px;
  font-size: 0;
  opacity: 0;
}
.mode_switch .modebtn {
  position: relative;
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid #fff;
  cursor: pointer;
  animation-duration: 1s;
  animation-fill-mode: forwards;
}
.mode_switch .modebtn.btn_dark {
  background: #000;
  z-index: 1;
}
.mode_switch .modebtn.btn_light {
  margin-left: -2px;
  background: #fff;
  z-index: 5;
}

/*dark light mode*/
body.dark-mode {
  color: #fff;
  background: #1d1d1d;
}
body.dark-mode .mode_switch .modebtn.btn_dark {
  translate: -10px;
  z-index: 5;
  animation-name: switchAnime2;
}
body.dark-mode .mode_switch .modebtn.btn_light {
  translate: 13px;
  z-index: 1;
  animation-name: switchAnime1;
}
body.light-mode {
  color: #434343;
  background: #f0f0f0;
}
body.light-mode .mode_switch .modebtn {
  border: 1px solid #000;
}
body.light-mode .mode_switch .modebtn.btn_dark {
  translate: 0px;
  z-index: 1;
  animation-name: switchAnime1;
}
body.light-mode .mode_switch .modebtn.btn_light {
  translate: 3px;
  z-index: 5;
  animation-name: switchAnime2;
}
@keyframes switchAnime1 {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(5px);
  }
  100% {
    transform: translateX(0);
  }
}
@keyframes switchAnime2 {
  0% {
    transform: translateX(0px);
  }
  50% {
    transform: translateX(-5px);
  }
  100% {
    transform: translateX(0px);
  }
}
body.light-mode header nav .nav_links {
  color: #fff;
}
body.light-mode .openbtn2 span {
  background: #2e2e2e;
}
body.light-mode .service .sec_txt .service_btn {
  color: #fff;
  background: #555;
}
body.light-mode .contact .contact_btn {
  color: #fff;
  background: #555;
}
body.light-mode footer .nav_links {
  border-top: 1px solid #9a9a9a;
  border-bottom: 1px solid #9a9a9a;
}
body.light-mode footer .logo {
  border-bottom: 1px solid #9a9a9a;
}

@media screen and (max-width: 769px) {
  .sp {
    display: block;
  }
  .pc {
    display: none;
  }
  body {
    font-size: 14px;
  }
  .mode_switch {
    top: 26px;
    right: 51px;
  }
  .openbtn2 {
    top: 18px;
    right: 0;
  }
  header h1 {
    height: 70px;
  }
  header h1 img {
    width: 100px;
  }
  header nav .logo {
    height: 70px;
  }
  header nav .logo img {
    width: 100px;
  }
  header nav .nav_links {
    padding: 60px 10% 0;
  }
  .mv video {
    width: 200%;
    margin-left: -50%;
  }
  .mission .sec_txt h2,
  .service .sec_txt h2 {
    font-size: 6vw;
  }
  .mission .sec_txt h3,
  .service .sec_txt h3 {
    font-size: 5vw;
    letter-spacing: 0.2rem;
  }
  .service {
    display: block;
    padding: 12% 5%;
  }
  .service .sec_img {
    width: 100%;
  }
  .service .sec_txt {
    width: 100%;
    margin: 0;
    padding: 15% 0 0;
  }
  .overview {
    padding: 12% 0;
  }
  .overview h2 {
    font-size: 1rem;
    text-align: left;
  }
  .contact {
    padding: 0 0 12%;
  }
  .contact h2 {
    margin: 12% 0 7%;
  }
  .contact h3 {
    font-size: 3vw;
    margin-bottom: 12%;
  }
  .contact .contact_img img {
    width: 150%;
    margin-left: -20%;
  }
  footer .logo img {
    width: 100px;
  }
  .copyright {
    font-size: min(2.5vw, 12px);
  }
}