@charset "UTF-8";
body {
  font-family: "Oswald", "Noto Sans JP", sans-serif;
  color: #333;
}
body.is-fixed {
  overflow: hidden;
}

.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;
}
.button--bg {
  background-color: #fff;
}
.button--bg .button__text {
  color: #1a2d50;
}
.button--border {
  border: 1px solid #fff;
}
.button--border .button__text {
  color: #fff;
}
.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: #fff;
}
.button__icon-path--contact {
  fill: #1a2d50;
}
.button__text {
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.header {
  background-color: #1a2d50;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.header__container {
  width: 100%;
  position: relative;
  height: 88px;
}
.header__logo {
  padding: 24px 24px;
  max-width: 200px;
  height: 88px;
}
.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;
}
.header__menu-button.is-checked {
  background: url(../img/bg_menu-close.png) center center no-repeat;
  background-size: 100% auto;
}
.header__contents {
  position: fixed;
  right: 0;
  background-color: #1a2d50;
  height: calc(100vh - 88px);
  width: 100%;
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  transition: transform 0.3s ease, -webkit-transform 0.3s ease;
  border-top: 1px solid #fff;
  padding-top: 60px;
}
.header__contents.is-open {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}
.header__nav-item + .header__nav-item {
  margin-top: 24px;
}

.fv {
  position: relative;
  height: 450px;
}
.fv__bg {
  position: absolute;
  inset: 0;
  top: 88px;
  margin: auto;
  min-height: 85%;
  max-height: 100%;
  width: auto;
  -o-object-fit: cover;
     object-fit: cover;
}
.fv__heading {
  position: absolute;
  top: 100px;
  width: 100%;
  padding: 10px 32px;
  font-size: 40px;
  font-weight: bold;
  color: #d1d5db;
}
.fv__contents {
  position: absolute;
  -ms-flex-line-pack: center;
      align-content: center;
  bottom: 35px;
  left: 0;
  width: 80%;
  height: 150px;
  background-color: rgba(247, 249, 252, 0.5);
  padding: 20px;
}
.fv__text {
  display: block;
  font-size: 15px;
}
.fv__text + .fv__text {
  margin-top: 12px;
}

.section {
  padding: 48px 0;
}
.section__inner {
  padding: 0 32px;
}
.section__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  margin-bottom: 32px;
}
.section__head--center {
  text-align: center;
}
.section__head-main {
  font-size: 40px;
  font-weight: bold;
  color: #1a2d50;
  line-height: 1;
}
.section__head-main-l {
  color: #fff;
}
.section__head-sub {
  font-size: 15px;
  font-weight: bold;
  margin-left: 15px;
  line-height: 1;
  margin-bottom: 2px;
}
.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
}
.section__contents {
  margin-top: 40px;
}

.service {
  background-color: #fff;
}
.service__item {
  border-radius: 10px;
  -webkit-box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
          box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
}
.service__item + .service__item {
  margin-top: 30px;
}
.service__item-img {
  padding-top: 10px;
  text-align: center;
}
.service__item-name {
  font-size: 18px;
  color: #1a2d50;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}
.service__item-text {
  font-size: 15px;
  line-height: 1.6;
  padding: 0 20px 20px 20px;
}

.works {
  background-color: #f7f9fc;
}
.works__item + .works__item {
  margin-top: 40px;
}
.works__item-img {
  margin-bottom: 12px;
}
.works__item-img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
          box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
}
.works__item-name {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 6px;
}
.works__item-link {
  text-decoration: underline;
  font-size: 14px;
}

.about__img {
  margin-bottom: 32px;
}
.about__img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
          box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
}
.about__name {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 10px;
}
.about__text {
  font-size: 16px;
  line-height: 1.6;
}
.about__text + .about__text {
  margin-top: 1em;
}

.flow {
  background-color: #f7f9fc;
}
.flow__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  -ms-scroll-snap-type: x mandatory;
      scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 30px 16px;
}
.flow__item {
  -webkit-box-flex: 0;
      -ms-flex: 0 0 80%;
          flex: 0 0 80%;
  max-width: 320px;
  scroll-snap-align: start;
  position: relative;
  border: 2px solid #d9e1ec;
  border-radius: 10px;
  padding: 40px 16px 24px;
}
.flow__item-num {
  position: absolute;
  top: -24px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  font-size: 24px;
  background-color: #1a2d50;
  border-radius: 50px;
  color: #fff;
  width: 48px;
  height: 48px;
  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 {
  margin-bottom: 24px;
  text-align: center;
}
.flow__item-img img {
  width: 64px;
  height: 64px;
}
.flow__item-name {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}
.flow__item-name-line {
  font-weight: bold;
}
.flow__item-name-line:not(:last-child)::after {
  content: "・";
}
.flow__item-text {
  font-size: 14px;
  line-height: 1.6;
}

.message {
  background-color: #f7f9fc;
}
.message__img {
  margin-top: 32px;
}
.message__img img {
  -webkit-box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
          box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
}
.message__text {
  font-size: 16px;
  line-height: 1.6;
}

.page-bottom {
  color: #fff;
}
.page-bottom__item {
  padding: 40px;
}
.page-bottom__item--contact {
  background-color: #d1d5db;
  color: #1a2d50;
}
.page-bottom__item--twitter {
  background-color: #1a2d50;
  color: #fff;
}

.footer {
  text-align: center;
  padding: 10px;
}
.footer__copy {
  font-size: 11px;
  font-family: "Noto Sans JP", sans-serif;
}

/*---------------------------
// pc
---------------------------*/
@media screen and (min-width: 768px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .main {
    -ms-flex-preferred-size: 79.2%;
        flex-basis: 79.2%;
  }
  .header {
    position: relative;
    -ms-flex-preferred-size: 20.8%;
        flex-basis: 20.8%;
    padding: 50px 20px;
  }
  .header__container {
    width: 160px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
  .header__logo {
    padding: 24px 0;
  }
  .header__menu-button {
    display: none;
  }
  .header__contents {
    position: static;
    -webkit-transform: none;
            transform: none;
    -webkit-transition: none;
    transition: none;
    border: none;
    padding-top: 30px;
  }
  .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: #fff;
  }
  .button:hover .button__icon-path {
    fill: #1a2d50;
  }
  .button:hover .button__text {
    color: #1a2d50;
  }
  .button--bg {
    color: #1a2d50;
  }
  .button--bg:hover {
    opacity: 0.7;
  }
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section__head {
    margin-bottom: 24px;
  }
  .section__head-main {
    font-size: 60px;
  }
  .fv {
    position: relative;
    height: 700px;
  }
  .fv__heading {
    color: #f7f9fc;
    font-size: 70px;
  }
  .fv__bg {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .fv__contents {
    background: url(../img/bg_fv.png) center center no-repeat;
    background-size: 100% auto;
    bottom: 100px;
    left: 0;
    max-width: 800px;
    height: 174px;
    padding-top: 24px;
    padding-left: 90px;
    padding-right: 90px;
  }
  .service__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
  .service__item + .service__item {
    margin-top: 0;
  }
  .works__list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8%;
  }
  .works__item + .works__item {
    margin-top: 0;
  }
  .about__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;
  }
  .flow__list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
  }
  .flow__item + .flow__item {
    margin-top: 0;
  }
  .flow__item-name {
    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;
    min-height: 3em;
    margin-bottom: 12px;
  }
  .flow__item-name-multiline {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .flow__item-name-line {
    display: block;
  }
  .flow__item-name-line:not(:last-child)::after {
    content: none;
  }
  .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-top: 0;
    margin-bottom: 32px;
  }
  .message__img img {
    -webkit-box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
            box-shadow: 0 4px 15px 0 rgba(26, 45, 80, 0.15);
  }
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .page-bottom__item {
    padding: 54px 10px;
  }
  .page-bottom .section__head--center {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
  }
}
/*---------------------------
// tb
---------------------------*/
@media screen and (min-width: 768px) and (max-width: 1024px) {
  .section__head-main {
    font-size: 54px;
  }
  .flow__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 16px;
  }
  .flow__item-name {
    display: block;
    min-height: auto;
  }
  .flow__item-name-line {
    display: inline;
  }
  .flow__item-name-line:not(:last-child)::after {
    content: "・";
  }
}