.body {
  font-family: "yu Gothic Pr6N", "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: #0F5474;
}
.button--border {
  border: solid 1px #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: #0F5474;
}
.button__text {
  margin-left: 9px;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: #fff;
}

.header {
  background-color: #0F5474;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.header__container {
  position: relative;
  width: 100%;
}
.header__logo {
  display: inline-block;
  padding: 14px 24px;
  width: 90%;
  color: #fff;
}
.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 {
  display: none;
  height: calc(100vh - 88px);
  border-top: 1px solid #fff;
  padding-top: 60px;
}
.header__nav-item {
  margin-top: 20px;
}
.header__nav-item + .header__nav-item {
  margin-top: 20px;
}

.fv {
  position: relative;
}
.fv__contents {
  background: url(../img/bg_fv.png) center center no-repeat;
  position: absolute;
  bottom: 50px;
  left: 0;
  width: 100%;
  height: 209px;
  background-size: 100% auto;
  padding: 32px;
}
.fv__heading-main {
  font-family: cursive;
  display: block;
  font-size: 45px;
  letter-spacing: 0.1em;
}
.fv__heading-sub {
  display: block;
  font-size: 14px;
}
.fv__image {
  position: relative;
  width: 100%;
  height: 90vh;
  overflow: hidden;
  margin: 0 auto;
}
.fv__image--1 {
  background-image: url("../img/3232941_m.jpg");
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-animation: slide-animation--1 32s infinite;
          animation: slide-animation--1 32s infinite;
  background-position: center;
}
.fv__image--2 {
  background-image: url("../img/31665469_m.jpg");
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-animation: slide-animation--2 32s infinite;
          animation: slide-animation--2 32s infinite;
  background-position: center;
}
.fv__image--3 {
  background-image: url("../img/31433925_m.jpg");
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-animation: slide-animation--3 32s infinite;
          animation: slide-animation--3 32s infinite;
  background-position: center;
}
.fv__image--4 {
  background-image: url("../img/4312140_m.jpg");
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-repeat: no-repeat;
  -webkit-animation: slide-animation--4 32s infinite;
          animation: slide-animation--4 32s infinite;
  background-position: center;
}
@-webkit-keyframes slide-animation--1 {
  4% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  30% {
    opacity: 1;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale(1.14);
            transform: scale(1.14);
  }
  60% {
    opacity: 0;
  }
  70% {
    opacity: 0;
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@keyframes slide-animation--1 {
  4% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  30% {
    opacity: 1;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale(1.14);
            transform: scale(1.14);
  }
  60% {
    opacity: 0;
  }
  70% {
    opacity: 0;
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}
@-webkit-keyframes slide-animation--2 {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 1;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
  50% {
    opacity: 1;
  }
  70% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
  }
}
@keyframes slide-animation--2 {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 1;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
  50% {
    opacity: 1;
  }
  70% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
  }
}
@-webkit-keyframes slide-animation--3 {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
  50% {
    opacity: 1;
  }
  70% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
  }
}
@keyframes slide-animation--3 {
  0% {
    opacity: 0;
  }
  30% {
    opacity: 0;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
  50% {
    opacity: 1;
  }
  70% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  100% {
    opacity: 0;
  }
}
@-webkit-keyframes slide-animation--4 {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  72% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
}
@keyframes slide-animation--4 {
  0% {
    opacity: 0;
  }
  50% {
    opacity: 0;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
  72% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
}
.fv__contents {
  background-size: 100% auto;
  bottom: 100px;
  left: 0;
  max-width: 500px;
  height: 174px;
  padding-top: 39px;
  padding-left: 54px;
}
.fv__heading-main {
  font-family: cursive;
  display: block;
  font-size: 25px;
  letter-spacing: 0.1em;
}
.fv__heading-sub {
  display: block;
  font-size: 12px;
}

.section {
  padding: 48px 0;
}
.section__inner {
  padding: 0 40px;
}
.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;
}
.section__head--center {
  text-align: center;
}
.section__head-main {
  font-size: 40px;
  letter-spacing: 0.1em;
}
.section__head-sub {
  font-size: 11px;
}
.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
}
.section__contents {
  margin-top: 40px;
}

.service__item + .service__item {
  margin-top: 40px;
}
.service__item-img {
  text-align: center;
  margin-bottom: 14px;
}
.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;
}

.works {
  background-color: #fafafa;
}
.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(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;
}

.about__img {
  width: 330px;
  height: auto;
  -o-object-fit: contain;
     object-fit: contain;
  margin-bottom: 32px;
}
.about__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);
}
.about__text {
  font-size: 16px;
  line-height: 1.7;
}
.about__text + .about__text {
  margin-top: 2em;
}

.flow {
  background-color: #fafafa;
}
.flow__list {
  margin-top: 64px;
}
.flow__item {
  position: relative;
  border: 1px solid #808080;
  padding: 46px 16px 24px;
}
.flow__item + .flow__item {
  margin-top: 46px;
}
.flow__item-num {
  position: absolute;
  top: -24px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  font-size: 24px;
  background-color: #0F5474;
  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-name {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}
.flow__item-text {
  font-size: 14px;
  line-height: 1.6;
}

.section__img {
  margin-bottom: 32px;
  -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);
}
.section__text {
  font-size: 16px;
  line-height: 1.6;
}

.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: #fafafa;
}
.page-bottom__item {
  padding: 40px;
}
.page-bottom__item--contact {
  background-color: #6f6f6f;
}
.page-bottom__item--Twitter {
  background-color: #0F5474;
}

.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) {
  .warapper {
    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: 15%;
        flex-basis: 15%;
    padding: 40px;
  }
  .header__container {
    width: 300px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
  .header__logo {
    font-size: 50px;
    letter-spacing: 0.12em;
    line-height: 1;
    font-family: cursive;
    padding-left: 50px;
  }
  .header__menu-button {
    display: none;
  }
  .header__contents {
    width: 300px;
    border: none;
    display: block;
  }
  .header__nav-list {
    display: grid;
    grid-auto-flow: column;
    grid-template-rows: repeat(4, auto);
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    width: 95%;
  }
  .header__nav-link {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
  }
  .button {
    -webkit-transition: background 0.3s, color 0.3s, opacity 0.3s;
    transition: background 0.3s, color 0.3s, opacity 0.3s;
    padding: 10px;
  }
  .button:hover {
    background-color: #fff;
  }
  .button:hover .button__icon-path {
    fill: #0F5474;
  }
  .button:hover .button__text {
    color: #0F5474;
  }
  .button--bg {
    color: #0F5474;
  }
  .button--bg:hover {
    opacity: 0.7;
  }
  .button__text {
    font-size: 15px;
  }
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section__head {
    margin-bottom: 24px;
  }
  .section__head-main {
    font-size: 60px;
  }
  .fv__image {
    position: relative;
    width: 100%;
    height: 80vh;
    overflow: hidden;
    margin: 0 auto;
  }
  .fv__image--1 {
    background-image: url("../img/3232941_m.jpg");
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-animation: slide-animation--1 32s infinite;
            animation: slide-animation--1 32s infinite;
    background-position: center;
  }
  .fv__image--2 {
    background-image: url("../img/31665469_m.jpg");
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-animation: slide-animation--2 32s infinite;
            animation: slide-animation--2 32s infinite;
    background-position: center;
  }
  .fv__image--3 {
    background-image: url("../img/31433925_m.jpg");
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-animation: slide-animation--3 32s infinite;
            animation: slide-animation--3 32s infinite;
    background-position: center;
  }
  .fv__image--4 {
    background-image: url("../img/24753502_m.jpg");
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    -webkit-animation: slide-animation--4 32s infinite;
            animation: slide-animation--4 32s infinite;
    background-position: center;
  }
  @-webkit-keyframes slide-animation--1 {
    4% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    30% {
      opacity: 1;
    }
    50% {
      opacity: 0;
      -webkit-transform: scale(1.14);
              transform: scale(1.14);
    }
    60% {
      opacity: 0;
    }
    70% {
      opacity: 0;
    }
    100% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
  }
  @keyframes slide-animation--1 {
    4% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    30% {
      opacity: 1;
    }
    50% {
      opacity: 0;
      -webkit-transform: scale(1.14);
              transform: scale(1.14);
    }
    60% {
      opacity: 0;
    }
    70% {
      opacity: 0;
    }
    100% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
  }
  @-webkit-keyframes slide-animation--2 {
    0% {
      opacity: 0;
    }
    30% {
      opacity: 1;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
    50% {
      opacity: 1;
    }
    70% {
      opacity: 0;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes slide-animation--2 {
    0% {
      opacity: 0;
    }
    30% {
      opacity: 1;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
    50% {
      opacity: 1;
    }
    70% {
      opacity: 0;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      opacity: 0;
    }
  }
  @-webkit-keyframes slide-animation--3 {
    0% {
      opacity: 0;
    }
    30% {
      opacity: 0;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
    50% {
      opacity: 1;
    }
    70% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      opacity: 0;
    }
  }
  @keyframes slide-animation--3 {
    0% {
      opacity: 0;
    }
    30% {
      opacity: 0;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
    50% {
      opacity: 1;
    }
    70% {
      opacity: 1;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      opacity: 0;
    }
  }
  @-webkit-keyframes slide-animation--4 {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 0;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    72% {
      opacity: 1;
    }
    90% {
      opacity: 1;
    }
    100% {
      opacity: 0;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
  }
  @keyframes slide-animation--4 {
    0% {
      opacity: 0;
    }
    50% {
      opacity: 0;
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    72% {
      opacity: 1;
    }
    90% {
      opacity: 1;
    }
    100% {
      opacity: 0;
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
  }
  .fv__contents {
    background-size: 100% auto;
    bottom: 100px;
    left: 0;
    max-width: 627px;
    height: 174px;
    padding-top: 24px;
    padding-left: 96px;
  }
  .fv__heading-main {
    font-family: cursive;
    display: block;
    font-size: 40px;
    letter-spacing: 0.1em;
  }
  .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;
  }
  .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;
  }
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .page-bottom__item {
    padding: 54px 10px;
  }
}
/*--------------------------
// tb
--------------------------*/
@media screen and (min-width: 768px) and (max-width: 1024px) {
  section__head-main {
    font-size: 54px;
  }
  .fv__contents {
    bottom: 40%;
    -webkit-transform: translateY(50%);
            transform: translateY(50%);
  }
  .flow__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 16px;
  }
}