/* base */
html {
  scroll-behavior: smooth; }

body {
  position: relative;
  font-family: 'Noto Serif JP', serif;
  color: black; }

main {
  position: relative;
  overflow: hidden; }

img {
  max-width: 100%; }

a {
  transition: .3s;
  color: #1782b3;
  text-decoration: underline;
  font-weight: 500; }

a:hover {
  color: #1782b3;
  opacity: 0.7; }

@media (min-width: 768px) {
  .pcnone {
    display: none !important; }

  /*body{ min-width: 1350px;}*/
  .container {
    /*width: 1350px;*/
    max-width: inherit; } }
@media (max-width: 767.98px) {
  body {
    font-size: 14px; }

  .spnone {
    display: none !important; }

  .container-fluid {
    padding-left: 45px;
    padding-right: 45px; } }
.back_black {
  background-color: black;
  color: white;
  padding-bottom: 1em;
  z-index: 2;
  position: relative; }

.tategaki {
  writing-mode: vertical-rl;
  text-orientation: upright; }

.al_div {
  margin: -10px 0 0;
  padding: 10px 0 0; }

@media (min-width: 768px) {
  .tategaki_pc {
    writing-mode: vertical-rl;
    text-orientation: upright; }

  .text-combine {
    text-orientation: mixed; } }
/* lead */
header {
  position: fixed;
  z-index: 1; }

.main_lead {
  position: fixed;
  z-index: 1;
  color: white;
  line-height: 2.5em;
  letter-spacing: .4em;
  margin: 0; }

.main_img {
  z-index: -1; }

#nav_toggle {
  position: fixed;
  cursor: pointer;
  z-index: 12;
  transition: .3s ease-in-out; }
  #nav_toggle > span {
    display: block;
    position: absolute;
    transition: .3s ease-in-out;
    left: 0;
    height: 1px;
    background-color: white; }

.menu_open #nav_toggle > span:nth-child(1), .menu_open #nav_toggle > span:nth-child(3) {
  top: 50%; }
.menu_open #nav_toggle > span:nth-child(2) {
  left: 50%;
  width: 0; }
.menu_open #nav_toggle > span:nth-child(1) {
  transform: rotate(45deg); }
.menu_open #nav_toggle > span:nth-child(3) {
  transform: rotate(-45deg); }

.menu_box_2 {
  position: fixed;
  z-index: 10;
  left: 0;
  top: 0;
  padding: 0;
  list-style: none;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-content: center;
  flex-wrap: wrap;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.85);
  opacity: 0;
  visibility: hidden;
  transition: .3s; }
  .menu_box_2 > li {
    text-align: center; }
    .menu_box_2 > li > a {
      color: white;
      text-decoration: none; }
      .menu_box_2 > li > a > span {
        display: block; }
        .menu_box_2 > li > a > span.ja {
          font-size: 9px; }
        .menu_box_2 > li > a > span.en {
          font-size: 14px; }
    .menu_box_2 > li.home {
      border-bottom: 1px solid white; }

.menu_open .menu_box_2 {
  opacity: 1;
  visibility: visible; }

@media (min-width: 768px) {
  header {
    left: 35px;
    top: 30px;
    width: 170px; }

  .menu_box {
    position: fixed;
    z-index: 1;
    left: 10px;
    top: 110px;
    padding: 0;
    list-style: none;
    width: 220px; }
    .menu_box > li {
      text-align: center;
      padding: 20px 0;
      width: 100%; }
      .menu_box > li > a {
        color: white;
        text-decoration: none; }
        .menu_box > li > a > span {
          display: block; }
          .menu_box > li > a > span.ja {
            font-size: 9px; }
          .menu_box > li > a > span.en {
            font-size: 14px; }
      .menu_box > li.home {
        border-bottom: 1px solid white; }

  .main_lead {
    right: calc(50% - 18.75em);
    top: 120px;
    font-size: 19px; }

  .main_img {
    height: 100vh; }

  .main_img.sp {
    display: none; }

  #nav_toggle {
    top: 3px;
    right: 10px;
    width: 42px;
    height: 42px;
    opacity: 0;
    visibility: hidden; }
    #nav_toggle > span {
      width: 42px;
      left: calc(50% - 21px); }
      #nav_toggle > span:nth-child(1) {
        top: calc(50% - 12px); }
      #nav_toggle > span:nth-child(2) {
        top: 50%; }
      #nav_toggle > span:nth-child(3) {
        top: calc(50% + 12px); }

  .pc_black #nav_toggle,
  .menu_open #nav_toggle {
    opacity: 1;
    visibility: visible; }

  .menu_box_2 > li {
    width: 55%;
    padding: 20px 0; }
    .menu_box_2 > li > a {
      width: 300px; }
      .menu_box_2 > li > a > span.ja {
        font-size: 12px; }
      .menu_box_2 > li > a > span.en {
        font-size: 17px; } }
@media (max-width: 767.98px) {
  header {
    width: 36vw;
    left: 32vw;
    top: 30vw; }

  .main_lead {
    right: calc(50% - 15.75vw);
    top: 60vw;
    font-size: 4.2vw; }

  .main_img {
    height: 90vh; }

  .main_img.pc {
    display: none; }

  #nav_toggle {
    top: 0;
    right: 5px;
    width: 42px;
    height: 42px; }
    #nav_toggle > span {
      width: 24px;
      left: calc(50% - 12px); }
      #nav_toggle > span:nth-child(1) {
        top: calc(50% - 9px); }
      #nav_toggle > span:nth-child(2) {
        top: 50%; }
      #nav_toggle > span:nth-child(3) {
        top: calc(50% + 9px); }

  .menu_box {
    display: none; }

  .menu_box_2 > li {
    padding: 20px 0;
    width: 60%; }
    .menu_box_2 > li > a > span.ja {
      font-size: 9px; }
    .menu_box_2 > li > a > span.en {
      font-size: 14px; } }
/*
@media (min-width: 768px) {
@keyframes kenburns {
    0% {
        transform: scale(1.35);
    }
    50% {
        transform: scale(1.35);
    }
    100% {
        transform: scale(1);
    }
}
}
*/
.gda_box > * {
  display: block;
  margin: 0 auto; }
  .gda_box > * > img {
    display: block;
    max-height: 100%;
    max-width: 100%;
    margin: 0 auto; }

.section_01 {
  position: relative; }
  .section_01 > * {
    font-weight: 100;
    letter-spacing: .1em; }
  .section_01 > h2 {
    order: 2; }
  .section_01 > p:nth-child(2) {
    order: 1; }
  .section_01 > p:nth-child(3) {
    order: 0; }

@media (min-width: 768px) {
  .gda_box {
    padding: 150px 0; }
    .gda_box > * {
      width: 326px; }

  .section_01_box {
    text-align: center; }

  .section_01 {
    display: inline-flex;
    justify-content: center;
    text-align: left; }
    .section_01 > * {
      font-size: 23px;
      line-height: 2.5em; }
    .section_01 > h2, .section_01 > p:nth-child(2) {
      font-size: clamp(10px, 1.25vw, 14px);
      margin: 0; }
    .section_01 > h2 {
      margin: 0; }
    .section_01 > p:nth-child(2) {
      margin-right: 4vw; }
    .section_01 > p:nth-child(3) {
      font-size: 10px;
      position: absolute;
      bottom: 0;
      right: calc(100% + 5vw);
      margin: 0; } }
@media (max-width: 767.98px) {
  .gda_box {
    margin: 0 -45px;
    background-color: white;
    height: 10vh;
    padding: .5vh;
    margin-bottom: 15vw; }
    .gda_box > * {
      height: 9vh;
      width: auto; }

  .section_01 > * {
    font-size: 23px;
    line-height: 3em; }
  .section_01 > h2, .section_01 > p:nth-child(2) {
    font-size: clamp(13px, 3.5vw, 14px); }
  .section_01 > h2 {
    margin: 0; }
  .section_01 > p {
    margin-top: 5vw; }
    .section_01 > p:nth-child(3) {
      font-size: clamp(8px, 0.8vw, 17px);
      text-align: right; } }
.en_midashi {
  letter-spacing: .1em;
  font-weight: 100; }

.midashi01 {
  letter-spacing: .1em;
  font-weight: 100; }

.text01 {
  line-height: 3em;
  letter-spacing: .1em;
  font-weight: 100;
  margin: 0; }

@media (min-width: 768px) {
  .tategaki_container {
    text-align: center; }
    .tategaki_container > .en_midashi {
      font-size: clamp(10px, 1.25vw, 14px);
      margin: 175px 0; }
    .tategaki_container > .tagegaki_pc_box {
      text-align: left;
      display: flex;
      justify-content: center; }
      .tategaki_container > .tagegaki_pc_box > .midashi01 {
        font-size: clamp(18px, 2.6vw, 32px);
        order: 2;
        margin: 0 0 0 5vw;
        line-height: 2.4em; }
      .tategaki_container > .tagegaki_pc_box > .text01 {
        font-size: clamp(10px, 1.25vw, 14px);
        order: 1; }

  .section02 {
    margin-bottom: 100px; }

  .co2 > sub {
    bottom: auto; } }
@media (max-width: 767.98px) {
  .tategaki_container > .en_midashi {
    font-size: clamp(13px, 3.5vw, 14px);
    margin: 80px 0 40px;
    text-align: center; }
  .tategaki_container > .tagegaki_pc_box > .text01 {
    font-size: clamp(13px, 3.5vw, 14px); }

  .midashi01 {
    font-size: clamp(16px, 6.5vw, 28px);
    margin: 0 0 10vw;
    line-height: 2em; } }
.logo_50 {
  display: block; }
  .logo_50 > img {
    display: block;
    margin: 0 auto; }

.imgbox01 {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start; }
  .imgbox01 > img {
    display: block; }

@media (min-width: 768px) {
  .logo_50 {
    margin: 150px 0;
    width: 200px; }
    .logo_50 > img {
      width: 200px; }
    .logo_50.footer_top_logo {
      margin: 150px auto -100px;
      width: 120px; }
      .logo_50.footer_top_logo > img {
        width: 120px; }

  .imgbox01 {
    max-width: 1030px;
    width: 70%;
    min-width: 680px;
    margin: 150px auto 5vw; }
    .imgbox01 > img {
      width: 30%; }

  .dc_img {
    display: block;
    margin-top: 15vw; } }
@media (max-width: 767.98px) {
  .logo_50 {
    margin: 100px 0;
    width: 150px; }
    .logo_50 > img {
      width: 150px; }
    .logo_50.footer_top_logo {
      margin: 75px auto -50px;
      width: 80px; }
      .logo_50.footer_top_logo > img {
        width: 80px; }

  .imgbox01 {
    width: 100%;
    margin: 0 0 10vw; }
    .imgbox01 > img {
      width: 100%; }
      .imgbox01 > img:nth-child(n+2) {
        margin-top: 10vw; }

  .dc_img_sp {
    margin-bottom: 50px; }
    .dc_img_sp > img {
      display: block;
      margin-top: 10vw; } }
.back_img01 {
  background: url("../images/back01.jpg") no-repeat center top/cover; }

.point_box > p {
  line-height: 2.5em;
  letter-spacing: .1em; }
  .point_box > p::before {
    content: "";
    width: 1.5em;
    height: 1.5em;
    background-color: #9fa0a0;
    display: block; }

@media (min-width: 768px) {
  .back_img01 {
    padding: 10px 0 8vw;
    margin: 15px 0 0 0; }

  .point_box {
    max-width: 1230px;
    width: 80%;
    min-width: 680px;
    margin: 0 auto; }
    .point_box.tagegaki_pc_box {
      justify-content: space-between; }
    .point_box > p {
      font-size: 16px;
      margin: 0; }
      .point_box > p::before {
        margin-left: 1em; }
      .point_box > p:nth-child(1) {
        order: 3;
        margin-top: 3em; }
      .point_box > p:nth-child(2) {
        order: 2;
        margin-top: 6em; }
      .point_box > p:nth-child(3) {
        order: 1; } }
@media (max-width: 767.98px) {
  .back_img01 {
    padding: 10px 0 8vw;
    margin: 15px 0 0 0; }

  .point_box {
    margin: 0 auto; }
    .point_box > p {
      font-size: clamp(13px, 3.5vw, 14px);
      margin: 0;
      position: relative;
      padding-top: 4em;
      text-align: center; }
      .point_box > p::before {
        left: calc(50% - .75em);
        top: 0;
        position: absolute; }
      .point_box > p:nth-child(2) {
        margin: 13vw 0; } }
.message_box {
  background-color: rgba(0, 0, 0, 0.4);
  border: 1px solid white;
  margin: 0 auto; }
  .message_box > .message_midashi {
    margin: 0;
    line-height: 1.8em; }
  .message_box > .message_text {
    line-height: 2em; }

@media (min-width: 768px) {
  .message_box {
    max-width: 1230px;
    width: 80%;
    min-width: 680px;
    padding: 5%; }
    .message_box > .message_midashi {
      font-size: clamp(18px, 2.6vw, 32px);
      text-align: center; }
    .message_box > .message_text {
      font-size: clamp(10px, 1.25vw, 14px);
      width: 90%;
      min-width: 460px;
      margin: 5% auto 5%; } }
@media (max-width: 767.98px) {
  .message_box {
    padding: 5%;
    margin: 0 -30px; }
    .message_box > .message_midashi {
      font-size: 6.3vw;
      text-align: left; }
    .message_box > .message_text {
      font-size: clamp(13px, 3.5vw, 14px);
      margin: 5% auto 5%; } }
.experience_link {
  display: flex;
  flex-wrap: wrap; }

@media (min-width: 768px) {
  .experience_link {
    margin: 42px -8px -8px; }
    .experience_link > span {
      width: calc(20% - 16px);
      margin: 8px; } }
@media (max-width: 767.98px) {
  .experience_link {
    margin: 8px -8px -8px; }
    .experience_link > span {
      width: calc(50% - 16px);
      margin: 8px; } }
.kakuken_link {
  text-align: center; }
  .kakuken_link > a {
    background-color: black;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-decoration: none;
    border-bottom: 1px solid white;
    position: relative;
    overflow: hidden; }
    .kakuken_link > a::before {
      content: "";
      position: absolute;
      top: 100%;
      left: 0;
      background-color: white;
      width: 100%;
      height: 100%;
      transition: .3s; }
    .kakuken_link > a:hover {
      color: black;
      opacity: 1; }
      .kakuken_link > a:hover::before {
        top: 0%; }
    .kakuken_link > a > span {
      position: relative;
      z-index: 2; }

.footer_logo {
  display: block; }

@media (min-width: 768px) {
  .kakuken_link {
    margin: 60px auto 0; }
    .kakuken_link > a {
      padding: 20px 50px;
      font-size: clamp(10px, 1.25vw, 14px); }
    .kakuken_link.form_link > a {
      padding: 20px 50px;
      font-size: clamp(18px, 2.6vw, 32px); }

  .footer_logo {
    width: 200px;
    margin: 60px auto 120px; } }
@media (max-width: 767.98px) {
  .jisseki_midashi {
    font-size: 4.2vw; }

  .kakuken_link {
    margin: 60px auto 0; }
    .kakuken_link > a {
      padding: 15px 25px;
      font-size: clamp(13px, 3.5vw, 14px); }

  .footer_logo {
    width: 150px;
    margin: 60px auto 60px; } }