body {
  font-family: "Josefin Sans", "Noto Sans JP", sans-serif;
}
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: 10px 20px 10px 30px;
  width: 180px;
  margin: 0 auto;
}
.button--bg {
  background-color: #fff;
}
.button--bg .button__text {
  color: #4a4a4a;
}
.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__text {
  margin-left: 10px;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: #fff;
}

.header {
  background-color: transparent;
  -webkit-transition: background-color 0.5s;
  transition: background-color 0.5s;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}
.header.is-open {
  background-color: rgba(11, 24, 28, 0.8392156863);
}
.header__nav-item + .header__nav-item {
  margin-top: 24px;
}
.header__nav-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.header__container {
  position: relative;
}
.header__logo {
  width: 100%;
}
.header__logo-img {
  display: block;
  width: 100%;
  max-width: 60px;
  padding: 5px;
}
.header__logo-img img {
  display: block;
  width: 100%;
  height: auto;
}
.header__menu-button {
  border: none;
  position: absolute;
  top: 13px;
  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-open {
  background-image: url("../img/bg_menu-close.png");
}
.header__contents {
  height: calc(100vh - 88px);
  border-top: 1px solid #fff;
  padding-top: 60px;
  display: none;
}
.header .button--bg .button__icon-path {
  fill: #4a4a4a;
}

.fv {
  position: relative;
}
.fv__contents {
  position: absolute;
  bottom: 30px;
  left: 0;
  width: 100%;
  height: 100px;
  padding: 5px 40px;
}
.fv__contents::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.7;
  z-index: 0;
  background: url(../img/sp/bg_fv.png) center center no-repeat;
  background-size: 100% 100%;
}
.fv__heading {
  position: relative;
  z-index: 1;
  font-family: "Josefin Sans", "Noto Sans JP", sans-serif;
}
.fv__heading-main {
  display: block;
  font-size: 35px;
  letter-spacing: -0.06em;
  color: rgba(11, 24, 28, 0.75);
}
.fv__heading-sub {
  display: block;
  margin-top: 3px;
  font-size: 10px;
  color: rgba(11, 24, 28, 0.75);
}

.section__works {
  padding: 48px 0;
}
.section__inner {
  padding: 40px 32px;
}
.section__head {
  margin-bottom: 32px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.section__head--center {
  text-align: center;
}
.section__head-main {
  font-size: 40px;
  color: rgba(11, 24, 28, 0.59);
}
.section__head-sub {
  font-size: 11px;
  color: rgba(11, 24, 28, 0.59);
}
.section__lead-text {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(11, 24, 28, 0.75);
}
.section__contents {
  margin-top: 40px;
}

.service__item {
  margin-top: 40px;
}
.service__item + .service__item {
  margin-top: 40px;
}
.service__item-img {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  margin: 0 auto 20px;
  width: 20%;
}
.service__item-img img {
  display: block;
  width: 100%;
  height: auto;
}
.service__item-name {
  font-size: 14px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
  color: rgba(11, 24, 28, 0.75);
}
.service__item-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(11, 24, 28, 0.75);
}

.works {
  background-color: rgba(74, 74, 74, 0.1490196078);
}
.works__item + .works__item {
  margin-top: 40px;
}
.works__item-img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  margin-bottom: 12px;
}
.works__item-img img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  -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 {
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: bold;
  color: rgba(11, 24, 28, 0.75);
}
.works__item-link {
  font-size: 14px;
  text-decoration: underline;
  color: rgba(11, 24, 28, 0.75);
}

.about__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);
}
.about__text {
  font-size: 16px;
  letter-spacing: 1.6;
  color: rgba(11, 24, 28, 0.75);
}
.about__text + .about__text {
  margin-top: 10px;
}

.flow {
  background-color: rgba(74, 74, 74, 0.1490196078);
}
.flow__list {
  margin-top: 54px;
}
.flow__item {
  position: relative;
  border: 1px solid rgba(73, 77, 208, 0.9490196078);
  padding: 40px 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: rgba(73, 77, 208, 0.9490196078);
  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 {
  width: 70px;
  margin: 0 auto 20px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}
.flow__item-img img {
  display: block;
  width: 100%;
  height: auto;
}
.flow__item-name {
  font-size: 16px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 10px;
  color: rgba(11, 24, 28, 0.75);
}
.flow__item-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(11, 24, 28, 0.75);
}

.message__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);
}
.message__text {
  font-size: 16px;
  line-height: 1.6;
  color: rgba(11, 24, 28, 0.75);
}

.contact {
  background-color: rgba(74, 74, 74, 0.1490196078);
  padding: 40px 0 80px;
}
.contact__title {
  font-family: "Josefin Sans", "Noto Sans JP", sans-serif;
  font-size: 40px;
  color: rgba(11, 24, 28, 0.59);
  margin-left: 28px;
}
.contact__title-sub {
  font-family: "Josefin Sans", "Noto Sans JP", sans-serif;
  font-size: 11px;
  color: rgba(11, 24, 28, 0.59);
  margin-left: 30px;
  margin-bottom: 20px;
}
.contact__inner {
  width: calc(100% - 32px);
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px 60px;
  background-color: #fff;
  border-radius: 20px;
}
.contact__head {
  text-align: center;
  margin-bottom: 40px;
}
.contact__head-main {
  display: block;
  font-size: 40px;
  color: rgba(11, 24, 28, 0.59);
}
.contact__lead {
  margin-bottom: 40px;
  text-align: center;
  font-size: 12px;
  line-height: 2;
  color: rgba(11, 24, 28, 0.75);
}

.contact-form__item {
  padding: 30px 0;
  border-top: 1px solid #eee;
}
.contact-form__head {
  margin-bottom: 12px;
  font-size: 14px;
  color: rgba(11, 24, 28, 0.75);
}
.contact-form__required {
  color: #e77;
}
.contact-form__body {
  width: 100%;
}
.contact-form__input, .contact-form__textarea {
  display: block;
  width: 100%;
  border: none;
  outline: none;
  background-color: rgba(74, 74, 74, 0.1490196078);
  color: rgba(11, 24, 28, 0.75);
  font-family: inherit;
  font-size: 14px;
}
.contact-form__input {
  height: 48px;
  padding: 0 20px;
  border-radius: 14px;
}
.contact-form__textarea {
  min-height: 120px;
  padding: 15px 20px;
  border-radius: 14px;
  resize: vertical;
}
.contact-form__check, .contact-form__radio {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 12px;
  font-size: 14px;
  color: rgba(11, 24, 28, 0.75);
  cursor: pointer;
}
.contact-form__check + .contact-form__check, .contact-form__check + .contact-form__radio, .contact-form__radio + .contact-form__check, .contact-form__radio + .contact-form__radio {
  margin-top: 16px;
}
.contact-form__check input, .contact-form__radio input {
  -ms-flex-negative: 0;
      flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin: 0;
}
.contact-form__error {
  display: none;
  margin-top: 8px;
  font-size: 12px;
  color: #e55;
}
.contact-form__button {
  margin-top: 50px;
  text-align: center;
}
.contact-form__button button {
  width: 100%;
  max-width: 320px;
  padding: 16px 20px;
  border: none;
  border-radius: 15px;
  background-color: #aaa;
  color: #fff;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  -webkit-transition: opacity 0.3s;
  transition: opacity 0.3s;
}
.contact-form__button button:hover {
  opacity: 0.7;
}

.page-bottom {
  color: #fff;
}
.page-bottom__item {
  padding: 40px;
}
.page-bottom__item--contact {
  background-color: #6f6f6f;
}
.page-bottom__item--twitter {
  background-color: #4a4a4a;
}
.page-bottom__button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 180px;
  margin: 40px auto 0;
  padding: 10px 20px;
  border: 1px solid #fff;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

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

.page-top {
  display: none;
  position: fixed;
  right: 30px;
  bottom: 30px;
  z-index: 100;
  width: 60px;
  height: 60px;
  border: none;
  border-radius: 50%;
  background-color: #333;
  color: #fff;
  cursor: pointer;
}

@media screen and (min-width: 1024px) {
  .main {
    -ms-flex-preferred-size: 79.2%;
        flex-basis: 79.2%;
  }
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
  .header {
    position: relative;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    -ms-flex-preferred-size: 20.8%;
        flex-basis: 20.8%;
    padding: 50px 20px;
    background-color: rgba(11, 24, 28, 0.37);
  }
  .header__container {
    width: 100%;
    position: sticky;
    top: 50px;
  }
  .header__logo {
    width: 100%;
    margin-bottom: 40px;
  }
  .header__logo-img {
    display: block;
    max-width: 180px;
    margin: 0 auto;
    height: auto;
  }
  .header__logo-img img {
    width: 100%;
    height: auto;
    display: block;
  }
  .header__menu-button {
    display: none;
  }
  .header__contents {
    border: none;
    display: block;
    width: 100%;
  }
  .header__nav {
    width: 100%;
  }
  .header .button--bg .button__icon-path {
    fill: #4a4a4a;
  }
  .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: #4a4a4a;
  }
  .button:hover .button__text {
    color: #4a4a4a;
  }
  .button--bg {
    background-color: #fff;
  }
  .button--bg:hover {
    opacity: 0.7;
  }
  .button__icon-path {
    fill: #fff;
  }
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
  }
  .section__head {
    margin-bottom: 24px;
  }
  .section__head-main {
    font-size: 60px;
  }
  .fv {
    position: relative;
    width: 100%;
  }
  .fv__img {
    display: block;
    width: 100%;
  }
  .fv__img img {
    display: block;
    width: 100%;
    height: auto;
  }
  .fv__contents {
    background-size: 100% 100%;
    bottom: 80px;
    left: 0;
    width: 65%;
    height: 200px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 15px 40px;
    position: absolute;
  }
  .fv__contents::before {
    opacity: 1;
  }
  .fv__heading {
    width: auto;
    -webkit-transform: none;
            transform: none;
    margin-left: 40px;
  }
  .fv__heading-main {
    display: block;
    font-size: 60px;
    line-height: 1;
    letter-spacing: -0.04em;
  }
  .fv__heading-sub {
    display: block;
    margin-top: 10px;
    font-size: 16px;
    line-height: 1.6;
  }
  .service__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 40px;
  }
  .service__item {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    min-width: 0;
  }
  .service__item-img {
    width: 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin: 0 0 20px;
  }
  .service__item-img img {
    display: block;
    width: 50px;
    height: auto;
    margin: 0;
  }
  .service__item-name {
    margin-top: 10px;
    text-align: center;
  }
  .service__item-text {
    margin-top: 10px;
    text-align: center;
  }
  .works__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 120px;
  }
  .works__item {
    width: calc((100% - 40px) / 2);
  }
  .works__item + .works__item {
    margin-top: 0;
  }
  .works__item-img {
    width: 100%;
    aspect-ratio: 16/9;
  }
  .works__item-img img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .about__img {
    width: 803px;
    aspect-ratio: 1/1;
  }
  .about__img img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    display: block;
  }
  .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;
  }
  .message__text-contents {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
  }
  .message__img {
    width: 300px;
    height: 300px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
  .message__img img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
    display: block;
  }
  .contact {
    padding: 60px 0 100px;
  }
  .contact__title {
    font-size: 60px;
    margin-left: 125px;
  }
  .contact__title-sub {
    margin-left: 125px;
  }
  .contact__inner {
    max-width: 900px;
    padding: 70px 70px 80px;
    border-radius: 28px;
  }
  .contact__head-main {
    font-size: 60px;
  }
  .contact__lead {
    margin-bottom: 50px;
    font-size: 13px;
  }
  .contact-form__item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 40px;
    padding: 45px 20px;
  }
  .contact-form__head {
    margin-bottom: 0;
    padding-top: 13px;
    text-align: right;
  }
  .contact-form__body {
    max-width: 430px;
  }
  .contact-form__input {
    height: 52px;
    border-radius: 15px;
  }
  .contact-form__textarea {
    min-height: 110px;
  }
  .contact-form__button {
    margin-top: 65px;
  }
  .contact-form__button button {
    width: 320px;
  }
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
  .page-bottom__item {
    padding: 54px 10px;
  }
  .page-bottom__item--contact .button__icon-path {
    fill: #fff;
  }
}
@media screen and (min-width: 768px) and (max-width: 1023px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 100%;
  }
  .header {
    position: relative;
    width: 220px;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 220px;
            flex: 0 0 220px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    padding: 50px 20px;
    -webkit-box-sizing: border-box;
            box-sizing: border-box;
    background-color: rgba(11, 24, 28, 0.37);
  }
  .header__container {
    width: 175px;
    margin: 0 auto;
    position: sticky;
    top: 50px;
  }
  .header__logo {
    font-size: 24px;
    letter-spacing: 0.12em;
    line-height: 1;
  }
  .header__logo-img {
    max-width: 160px;
  }
  .header__menu-button {
    display: none;
  }
  .header__contents {
    display: block;
    height: auto;
    border: none;
    padding-top: 60px;
  }
  .main {
    width: auto;
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    min-width: 0;
    margin: 0;
  }
  .section__inner {
    max-width: 944px;
    margin: 0 auto;
    padding: 40px 32px 80px;
  }
  .section__head {
    margin-bottom: 24px;
  }
  .section__head-main {
    font-size: 45px;
  }
  .fv {
    position: relative;
    width: 100%;
    margin: 0;
    padding: 0;
  }
  .fv__img {
    display: block;
    width: 100%;
  }
  .fv__img img {
    display: block;
    width: 100%;
    height: auto;
  }
  .fv__contents {
    position: absolute;
    left: 0;
    right: 0;
    width: 100%;
    height: 180px;
    bottom: 50%;
    -webkit-transform: translateY(125%);
            transform: translateY(125%);
    background-size: 100% 100%;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding: 0;
  }
  .fv__contents::before {
    opacity: 1;
  }
  .fv__heading {
    width: auto;
    margin-left: 40px;
    -webkit-transform: none;
            transform: none;
  }
  .fv__heading-main {
    display: block;
    font-size: 50px;
    line-height: 1;
  }
  .fv__heading-sub {
    display: block;
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.6;
  }
  .service__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 8%;
  }
  .service__item {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
    margin-top: 40px;
  }
  .service__item + .service__item {
    margin-top: 40px;
  }
  .works__list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 8%;
  }
  .works__item {
    -webkit-box-flex: 1;
        -ms-flex: 1;
            flex: 1;
  }
  .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;
  }
  .about__img {
    width: 250px;
    aspect-ratio: 1/1;
    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);
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
  .about__img img {
    display: block;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .about__text {
    font-size: 16px;
    letter-spacing: 1.6;
  }
  .about__text + .about__text {
    margin-top: 10px;
  }
  .flow__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 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;
  }
  .message__img {
    width: 250px;
    aspect-ratio: 1/1;
    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);
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
  .message__img img {
    display: block;
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
       object-fit: cover;
  }
  .message__text {
    font-size: 16px;
    letter-spacing: 1.6;
  }
  .message__text + .message__text {
    margin-top: 10px;
  }
  .contact {
    padding: 50px 0 80px;
  }
  .contact__inner {
    width: calc(100% - 40px);
    padding: 50px 40px 70px;
  }
  .contact__head-main {
    font-size: 45px;
  }
  .contact-form__item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 30px;
    padding: 40px 10px;
  }
  .contact-form__head {
    margin-bottom: 0;
    padding-top: 13px;
    text-align: right;
  }
  .contact-form__body {
    max-width: 400px;
  }
  .contact-form__button button {
    width: 300px;
  }
  .page-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}