body {
  font-family: "Bebas Neue", sans-serif, "Noto Sans JP", sans-serif;
  color: #333;
  background-color: #ecece7;
}
body.is-fixed {
  overflow: hidden;
}

@media screen and (min-width:768px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
}

.button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 6px 10px 6px 30px;
  width: 160px;
  margin: 0 auto;
}
@media screen and (min-width:768px) {
  .button {
    -webkit-transition: background 0.3s, color 0.3s, opacity 0.3s;
    transition: background 0.3s, color 0.3s, opacity 0.3s;
  }
  .button:hover {
    background-color: #ecece7;
  }
  .button:hover .button__icon-path {
    fill: #ff7518;
  }
  .button:hover .button__text {
    color: #2660AC;
  }
}

.button__icon {
  width: 24px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.button__icon-path {
  fill: #ff7518;
}

.button__icon-path--contact {
  fill: #2660AC;
}

.button--bg {
  background-color: #ff7518;
}
@media screen and (min-width:768px) {
  .button--bg {
    color: #2660AC;
  }
}
.button--bg .button__text {
  color: #2660AC;
}

.button--border {
  border: 1px solid #ecece7;
}
.button--border .button__text {
  color: #ecece7;
}

.button__text {
  color: #ecece7;
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
}

.font-color__dark-blue {
  color: #2660AC;
}

.font-color__orange {
  color: #ff7518;
}

.font-color__black {
  color: #333;
}

.font-color__white {
  color: #ecece7;
}

.img-color__dark-blue {
  -webkit-filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
          filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
}

.img-color__orange {
  -webkit-filter: brightness(0) saturate(100%) invert(53%) sepia(79%) saturate(2354%) hue-rotate(348deg) brightness(101%) contrast(101%);
          filter: brightness(0) saturate(100%) invert(53%) sepia(79%) saturate(2354%) hue-rotate(348deg) brightness(101%) contrast(101%);
}

.img-color__light-grey {
  -webkit-filter: brightness(0) saturate(100%) invert(99%) sepia(0%) saturate(1557%) hue-rotate(331deg) brightness(110%) contrast(85%);
          filter: brightness(0) saturate(100%) invert(99%) sepia(0%) saturate(1557%) hue-rotate(331deg) brightness(110%) contrast(85%);
}

.hidden-sp {
  display: none;
}
@media screen and (min-width:768px) {
  .hidden-sp {
    display: block;
  }
}

.hidden-pc {
  display: none;
}

.section {
  padding: 48px 0;
}

.section__inner {
  padding: 0 32px;
}
@media screen and (min-width:768px) {
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
}

.section__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  margin-bottom: 32px;
}
@media screen and (min-width:768px) {
  .section__head {
    margin-bottom: 24px;
  }
}

.section__head--center {
  text-align: center;
}

.section__head-main {
  display: block;
  font-size: 40px;
  letter-spacing: 0.1em;
  color: #2660AC;
}
@media screen and (min-width:768px) and (max-width:1024px) {
  .section__head-main {
    font-size: 54px;
  }
}
@media screen and (min-width:768px) {
  .section__head-main {
    font-size: 60px;
  }
}

.section__head-sub {
  font-size: 11px;
}

.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
}

.section__contents {
  margin-top: 40px;
}

.header {
  background-color: #2660AC;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  border-bottom: 2px solid #ecece7;
}
@media screen and (min-width:768px) {
  .header {
    position: relative;
    -ms-flex-preferred-size: 20.8%;
        flex-basis: 20.8%;
    padding: 50px 20px;
    border-right: 2px solid #ecece7;
  }
}

.header__container {
  position: relative;
}
@media screen and (min-width:768px) {
  .header__container {
    width: 160px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
}

.header__logo {
  display: inline-block;
  padding: 14px 24px;
  font-size: 20px;
  color: #ff7518;
}
@media screen and (min-width:768px) {
  .header__logo {
    font-size: 30px;
    letter-spacing: 0.12em;
    line-height: 1;
  }
}

.header__menu--button {
  border: none;
  position: absolute;
  top: 24px;
  right: 24px;
  width: 30px;
  height: 36px;
  overflow: hidden;
  color: transparent;
  background: url(../img/bg_menu.png) center center no-repeat;
  background-size: 100% auto;
}
@media screen and (min-width:768px) {
  .header__menu--button {
    display: none;
  }
}
.header__menu--button .header.is-checked {
  background: url(../img/bg_menu-close.png) center center no-repeat;
  background-size: 100% auto;
}

.header__contents {
  height: calc(100vh - 88px);
  border-top: 1px solid #ecece7;
  padding-top: 60px;
  display: none;
}
@media screen and (min-width:768px) {
  .header__contents {
    display: block;
    border: none;
  }
}

.header__nav--item + .header__nav--item {
  margin-top: 24px;
}

.main {
  padding-top: 80px;
}
@media screen and (min-width:768px) {
  .main {
    -ms-flex-preferred-size: 79.2%;
        flex-basis: 79.2%;
    padding-top: 0;
  }
}

.fv {
  position: relative;
  background-color: #2660AC;
  padding-top: 48px;
  padding-bottom: 144px;
}
@media screen and (min-width:768px) {
  .fv {
    height: 100vh;
    padding-top: 244px;
  }
  .fv::before {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 98px;
    height: 100px;
    background: #ff7518;
    border-bottom: 2px solid #ecece7;
    z-index: 930;
  }
}

.fv__container-top {
  display: none;
}
@media screen and (min-width:768px) {
  .fv__container-top {
    display: block;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: #2660AC;
    border-bottom: 2px solid #ecece7;
    z-index: 900;
  }
}

.fv__container-right {
  display: none;
}
@media screen and (min-width:768px) {
  .fv__container-right {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: #2660AC;
    border-left: 2px solid #ecece7;
    z-index: 910;
  }
}

@media screen and (min-width:768px) {
  .fv__inner {
    max-width: 944px;
    margin-left: 0;
    margin-right: auto;
  }
}

.fv__mouse {
  width: 40px;
  height: 60px;
  border-radius: 20px;
  border: 3px solid #ecece7;
  position: absolute;
  bottom: 65px;
  right: 32px;
  z-index: 940;
}
@media screen and (min-width:768px) {
  .fv__mouse {
    bottom: 85px;
    right: 29px;
  }
}
.fv__mouse:before, .fv__mouse:after {
  display: block;
  position: absolute;
}

.fv__mouse-ball:before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  top: 10px;
  left: calc(50% - 5px);
  background: #ff7518;
  -webkit-animation: m-1-ball 1.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
          animation: m-1-ball 1.2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
}
.fv__mouse-ball:after {
  content: "Scroll down";
  bottom: -20px;
  right: 29px;
  width: 10px;
  height: 10px;
  color: #ff7518;
  font-size: 20px;
  line-height: 1;
}

@-webkit-keyframes m-1-ball {
  0%, 65%, 100% {
    opacity: 0;
  }
  10%, 40% {
    opacity: 1;
  }
  0% {
    -webkit-transform: translateY(5px) scale(0.7);
            transform: translateY(5px) scale(0.7);
  }
  5% {
    -webkit-transform: scale(0.7);
            transform: scale(0.7);
  }
  15%, 100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  45%, 65% {
    -webkit-transform: translateY(24px) scale(0.7);
            transform: translateY(24px) scale(0.7);
  }
}

@keyframes m-1-ball {
  0%, 65%, 100% {
    opacity: 0;
  }
  10%, 40% {
    opacity: 1;
  }
  0% {
    -webkit-transform: translateY(5px) scale(0.7);
            transform: translateY(5px) scale(0.7);
  }
  5% {
    -webkit-transform: scale(0.7);
            transform: scale(0.7);
  }
  15%, 100% {
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  45%, 65% {
    -webkit-transform: translateY(24px) scale(0.7);
            transform: translateY(24px) scale(0.7);
  }
}
.fv__contents {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  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;
  padding-left: 32px;
  padding-right: 40px;
}
@media screen and (min-width:768px) {
  .fv__contents {
    padding-left: 60px;
    padding-right: 32px;
  }
}

.fv__heading {
  line-height: 1.25;
}

.fv__heading-main {
  display: block;
  font-size: 40px;
  letter-spacing: 1px;
  -webkit-transform: scale(1, 1.8);
          transform: scale(1, 1.8);
}
@media screen and (min-width:768px) {
  .fv__heading-main {
    font-size: 80px;
  }
}

.fv__heading-sub {
  margin-top: 12px;
  display: inline-block;
  font-size: 40px;
  color: #ecece7;
  letter-spacing: 1px;
  -webkit-transform: scale(1, 1.8);
          transform: scale(1, 1.8);
}
.fv__heading-sub:nth-child(2) {
  display: block;
}
@media screen and (min-width:768px) {
  .fv__heading-sub {
    margin-top: 21px;
    font-size: 80px;
  }
}

@media screen and (min-width:768px) {
  .service__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
}

.service__item + .service__item {
  margin-top: 40px;
}
@media screen and (min-width:768px) {
  .service__item + .service__item {
    margin-top: 0;
  }
}

.service__item-img {
  text-align: center;
  margin-bottom: 10px;
}
.service__item-img img {
  width: 86px;
  height: 69px;
  -webkit-filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
          filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
}

.service__item-name {
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.service__item-text {
  font-size: 14px;
  line-height: 1.6;
}

@media screen and (min-width:768px) {
  .works__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
}

.works__item + .works__item {
  margin-top: 40px;
}
@media screen and (min-width:768px) {
  .works__item + .works__item {
    margin-top: 0;
  }
}

.works__item-img {
  margin-bottom: 12px;
}
.works__item-img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}

.works__item-name {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 6px;
}

.works__item-link {
  text-decoration: underline;
  font-size: 14px;
}

@media screen and (min-width:768px) {
  .about__container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 40px;
  }
}

.about__history {
  display: grid;
  grid-template-columns: repeat(1fr 5);
  position: relative;
  margin: 0 auto;
  margin-top: 32px;
}
@media screen and (min-width:768px) {
  .about__history {
    width: 700px;
  }
}
.about__history:before {
  content: "";
  width: 2px;
  height: 100%;
  background: #ff7518;
  position: absolute;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}
@media screen and (min-width:768px) {
  .about__history:before {
    left: 50%;
  }
}

.about__history-item {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 0 0 35px 20px;
}
@media screen and (min-width:768px) {
  .about__history-item {
    padding: 0;
    -webkit-transition: all 0.5s ease-out;
    transition: all 0.5s ease-out;
  }
  .about__history-item:hover {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
  .about__history-item:hover::before {
    background: #2660AC;
  }
  .about__history-item:nth-of-type(2n) {
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
  }
}
.about__history-item::before {
  content: "";
  width: 8px;
  height: 8px;
  background: #ff7518;
  position: absolute;
  border-radius: 50%;
  left: 0;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}
@media screen and (min-width:768px) {
  .about__history-item::before {
    left: 50%;
    top: 0;
    width: 10px;
    height: 10px;
  }
}
.about__history-item:last-child {
  padding-bottom: 15px;
}
@media screen and (min-width:768px) {
  .about__history-item:last-child {
    padding-bottom: 0;
  }
}
.about__history-item:last-child::after {
  content: "";
  width: 6px;
  height: 6px;
  background: none;
  position: absolute;
  -webkit-transform: translateX(-50%) rotate(-45deg);
          transform: translateX(-50%) rotate(-45deg);
  border-left: 2px solid #ff7518;
  border-bottom: 2px solid #ff7518;
  bottom: 8px;
  left: 0;
}
@media screen and (min-width:768px) {
  .about__history-item:last-child::after {
    left: 50%;
    width: 8px;
    height: 8px;
  }
}

.about__history-inner {
  max-width: 450px;
}

.about__history-text {
  padding-top: 10px;
  letter-spacing: 0.05em;
}
@media screen and (min-width:768px) {
  .about__history-text {
    margin-top: 15px;
  }
}

.about__history-text-date {
  color: #2660AC;
  font-weight: bold;
}

.about__text {
  font-size: 16px;
  line-height: 1.6;
}
.about__text + .about__text {
  margin-top: 1em;
}

.about__text--cp {
  font-size: 20px;
  font-weight: bold;
  color: #2660AC;
}
@media screen and (min-width:768px) {
  .about__text--cp {
    font-size: 30px;
  }
}
.about__text--cp span {
  color: #ff7518;
}

.about__text--bg span {
  border-radius: 2px;
  color: #2660AC;
  font-weight: bold;
  background: #ff7518;
}

.flow__contents {
  margin: 30px 0;
}

.flow__list {
  margin-top: 64px;
}
@media screen and (min-width:768px) and (max-width:1024px) {
  .flow__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 16px;
  }
}
@media screen and (min-width:768px) {
  .flow__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
}

.flow__item {
  position: relative;
  border: 1px solid #070000;
  padding: 46px 16px 24px;
}
.flow__item + .flow__item {
  margin-top: 46px;
}
@media screen and (min-width:768px) {
  .flow__item + .flow__item {
    margin-top: 0;
  }
}

.flow__item-num {
  width: 48px;
  height: 48px;
  position: absolute;
  top: -24px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: #333;
  color: #ecece7;
  font-size: 24px;
  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;
}

.flow__item-img {
  text-align: center;
  margin-bottom: 24px;
}
.flow__item-img img {
  -webkit-filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
          filter: brightness(0) saturate(100%) invert(26%) sepia(96%) saturate(1272%) hue-rotate(196deg) brightness(90%) contrast(82%);
}

.flow__item-name {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

.flow__item-text {
  font-size: 14px;
  line-height: 1.6;
}

@media screen and (min-width:768px) {
  .message__container {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
}

.message__img {
  margin-bottom: 32px;
}
.message__img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
          box-shadow: 0 4px 15px 0 rgba(0, 0, 0, 0.15);
}

.message__text {
  font-size: 16px;
  line-height: 1.6;
}

.page-bottom {
  color: #ecece7;
}
@media screen and (min-width:768px) {
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

.page-bottom__item {
  padding: 40px;
}
@media screen and (min-width:768px) {
  .page-bottom__item {
    padding: 54px 10px;
  }
}

.page-bottom__item--contact {
  background-color: #ff7518;
}

.page-bottom__item--twitter {
  background-color: #2660AC;
}

.footer {
  text-align: center;
  padding: 10px;
}

.footer__copy {
  font-size: 11px;
  font-family: "Noto Sans JP", sans-serif;
}