:root {
  --text: #000;
  --primary: #005c9a;
  --primary30: rgba(0, 92, 154, .3);
  --primary_light: #78b2d9;
  --accent: #ca0505;
  --wh: #ffffff;
  --wh2: #f0f0f0;
  --bk: #000;
  --bk2: #333;
  --red: #f00;
  --pink: #cd2992;
  --pink2: #c13d8b;
  --gray: #999;
  --gray2: #ccc;
  --blue: #0099cc;
  --blue2: #0b98c1;
  --green: #4daa4a;
  --orange: #ef871c;
  --yellow: #fff6de;
}

/* common */
/* ------------------------------------ */
h2 {
  margin-bottom: 80px;
  color: var(--primary);
  font-size: clamp(2.4rem, 2.2vw, 4.2rem);
  font-weight: 500;
  letter-spacing: 0.1em;
  line-height: 1.62;
  text-align: center;
}
@media only screen and (max-width: 767px) {
  h2 {
    margin-bottom: 35px;
    letter-spacing: 0.05em;
    line-height: 1.58;
  }
}

@media only screen and (max-width: 767px) {
  .txt_base {
    padding-left: 10px;
    padding-right: 10px;
  }
}
.txt_base p {
  text-align: center;
}
@media only screen and (max-width: 767px) {
  .txt_base p {
    text-align: left;
  }
}
.txt_base a {
  text-decoration: none;
}
.txt_base a:hover {
  text-decoration: underline;
}

.btn a {
  margin: 65px auto 0;
  padding: 0;
  width: 480px;
  height: 90px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
@media only screen and (max-width: 1329px) {
  .btn a {
    width: 384px;
    height: 72px;
  }
}
@media only screen and (max-width: 767px) {
  .btn a {
    margin: 35px auto 0;
    width: 244px;
    height: 65px;
  }
}

/* mv */
/* ------------------------------------ */
.mv {
  position: relative;
  margin: 0;
  padding-top: 15px;
  padding-bottom: 90px;
  background: var(--primary_light) url(../img/index/cloud_top.png) no-repeat center bottom 50px/100% auto;
}
@media only screen and (max-width: 1280px) {
  .mv {
    padding-top: 25px;
  }
}
@media only screen and (width: 768px) {
  .mv {
    padding-bottom: 76px;
  }
}
@media only screen and (max-width: 767px) {
  .mv {
    padding-top: 16px;
    padding-bottom: 0;
    background: var(--primary_light) url(../img/index/cloud_top_sp.png) no-repeat center bottom -22vw/100% auto;
  }
}
@media only screen and (max-width: 540px) {
  .mv {
    background: var(--primary_light) url(../img/index/cloud_top_sp.png) no-repeat center bottom -12px/100% auto;
  }
}
.mv::after {
  position: absolute;
  content: "";
  width: 100%;
  height: 64px;
  background: var(--wh);
  bottom: 0;
  left: 0;
  z-index: 1;
}
@media only screen and (max-width: 767px) {
  .mv::after {
    height: 3px;
  }
}
.mv img {
  margin: 0 auto;
  max-width: 1652px;
}
.mv h2 {
  margin-bottom: 0;
  padding-top: 20px;
  font-size: clamp(2.1rem, 1.9vw, 4rem);
  font-weight: 550;
}
@media only screen and (max-width: 767px) {
  .mv h2 {
    padding-top: 30px;
  }
}

/* sec_class */
/* ------------------------------------ */
.sec_class .class_nav {
  margin: 0 auto 70px;
  max-width: 1480px;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 90px 9vw;
}
@media only screen and (max-width: 1329px) {
  .sec_class .class_nav {
    max-width: 860px;
    gap: 80px 13vw;
  }
}
@media only screen and (max-width: 860px) {
  .sec_class .class_nav {
    margin: 35px auto 32px;
    margin-left: 38px;
    margin-right: 38px;
    gap: 80px 6vw;
  }
}
@media only screen and (width: 768px) {
  .sec_class .class_nav {
    margin: 0 auto 57px;
  }
}
@media only screen and (max-width: 767px) {
  .sec_class .class_nav {
    gap: 20px 0;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_class .class_nav {
    gap: 80px 12vw;
  }
  .sec_class .class_nav .sp {
    display: none !important;
  }
  .sec_class .class_nav .pc {
    display: block !important;
  }
}
.sec_class .class_nav li {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
@media only screen and (max-width: 767px) {
  .sec_class .class_nav li {
    width: 100%;
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: flex-start;
  }
  .sec_class .class_nav li:nth-of-type(2n) {
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_class .class_nav li {
    width: auto;
    display: -ms-flexbox;
    display: -webkit-box;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
  }
}
.sec_class .class_nav li img {
  width: auto;
  max-height: 122px;
}
@media only screen and (max-width: 1329px) {
  .sec_class .class_nav li img {
    max-height: 90px;
  }
}
@media only screen and (max-width: 767px) {
  .sec_class .class_nav li img {
    max-height: 88px;
  }
  .sec_class .class_nav li:nth-of-type(2) img {
    max-height: 84px;
  }
  .sec_class .class_nav li:nth-of-type(3) img {
    max-height: 89px;
  }
  .sec_class .class_nav li:nth-of-type(4) img {
    max-height: 100px;
  }
  .sec_class .class_nav li:nth-of-type(5) img {
    max-height: 86px;
  }
  .sec_class .class_nav li:nth-of-type(6) img {
    max-height: 81px;
  }
  .sec_class .class_nav li:nth-of-type(7) img {
    max-height: 78px;
  }
  .sec_class .class_nav li:nth-of-type(8) img {
    max-height: 84px;
  }
  .sec_class .class_nav li:nth-of-type(9) img {
    max-height: 79px;
  }
  .sec_class .class_nav li:nth-of-type(10) img {
    max-height: 89px;
  }
  .sec_class .class_nav li:nth-of-type(11) img {
    max-height: 88px;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_class .class_nav li img {
    max-height: 90px;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_class .txt_base {
    padding-left: 0;
    padding-right: 0;
  }
}

/* sec_greeting */
/* ------------------------------------ */
.sec_greeting {
  padding: 130px 0 0;
}
@media only screen and (width: 768px) {
  .sec_greeting {
    padding: 113px 0 0;
  }
}
@media only screen and (max-width: 767px) {
  .sec_greeting {
    padding: 65px 0 60px;
  }
}
.sec_greeting h2 {
  font-size: clamp(2.2rem, 2.2vw, 4rem);
  font-weight: 550;
}
@media only screen and (width: 768px) {
  .sec_greeting h2 {
    margin-bottom: 74px;
  }
}
.sec_greeting .btn a {
  margin: 62px auto 0;
}
@media only screen and (max-width: 767px) {
  .sec_greeting .btn a {
    margin: 35px auto 0;
  }
}
@media only screen and (max-width: 767px) {
  .sec_greeting .txt_base {
    padding-left: 18px;
    padding-right: 18px;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_greeting .txt_base {
    padding-left: 0;
    padding-right: 0;
  }
}

@-webkit-keyframes infinity-scroll-left {
  from {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%);
  }
}

@keyframes infinity-scroll-left {
  from {
    -webkit-transform: translateX(0);
            transform: translateX(0);
  }
  to {
    -webkit-transform: translateX(-100%);
            transform: translateX(-100%);
  }
}
.marque ul {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.marque ul li {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  overflow: hidden;
  margin-left: min(2.222vw, 11px);
  margin-right: min(2.222vw, 11px);
}
.marque ul.marque01 {
  -webkit-animation: infinity-scroll-left 60s infinite linear 0.5s both;
          animation: infinity-scroll-left 60s infinite linear 0.5s both;
}
.marque ul.marque01 li {
  width: 520px;
  height: 390px;
}
@media only screen and (max-width: 767px) {
  .marque ul.marque01 li {
    width: 356px;
    height: 244px;
  }
}
.marque ul.marque01 li img {
  border-radius: 15px;
  -o-object-fit: cover;
     object-fit: cover;
}

/* sec_instagram */
/* ------------------------------------ */
.sec_instagram {
  padding: 122px 0 130px;
}
@media only screen and (width: 768px) {
  .sec_instagram {
    padding: 112px 0 117px;
  }
}
@media only screen and (max-width: 767px) {
  .sec_instagram {
    padding: 0 0 65px;
  }
}
.sec_instagram h2 {
  margin-bottom: 74px;
  font-size: clamp(2.2rem, 2.2vw, 4rem);
  font-weight: 550;
}
@media only screen and (width: 768px) {
  .sec_instagram h2 {
    margin-bottom: 61px;
  }
}
@media only screen and (max-width: 767px) {
  .sec_instagram h2 {
    margin-bottom: 20px;
  }
}
.sec_instagram .insta_wrap {
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  gap: 8px;
}
@media only screen and (max-width: 767px) {
  .sec_instagram .insta_wrap {
    margin-left: 20px;
    margin-right: 20px;
  }
}
.sec_instagram .insta_wrap figure {
  width: calc((100% - 48px) / 7);
  max-width: 270px;
}
@media only screen and (max-width: 767px) {
  .sec_instagram .insta_wrap figure {
    width: calc((100% - 8px) / 2);
  }
}
.sec_instagram .txt_base {
  margin-top: 60px;
}
@media only screen and (max-width: 767px) {
  .sec_instagram .txt_base {
    margin-top: 30px;
    padding-left: 18px;
    padding-right: 18px;
  }
}
@media only screen and (max-width: 1023px) and (orientation: landscape) {
  .sec_instagram .txt_base {
    padding-left: 0;
    padding-right: 0;
  }
}
.sec_instagram .btn a {
  margin: 48px auto 0;
}
@media only screen and (max-width: 767px) {
  .sec_instagram .btn a {
    margin: 18px auto 0;
  }
}
.sec_instagram .sns {
  margin: 45px auto 0;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  display: -ms-flexbox;
  display: -webkit-box;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 0 50px;
}
@media only screen and (max-width: 767px) {
  .sec_instagram .sns {
    margin: 35px auto 0;
    gap: 0 20px;
  }
}
@media only screen and (max-width: 767px) {
  .sec_instagram .sns li {
    width: 39px;
  }
  .sec_instagram .sns li:nth-of-type(2) {
    width: 37px;
  }
  .sec_instagram .sns li:nth-of-type(3) {
    width: 42px;
  }
}