body {
  font-family: "Josefin Sans", "Noto Sans JP", sans-serif;
  color: #000;
  font-size: 15px;
}
body.is-fixed {
  overflow: hidden;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 60px;
}

@media screen and (min-width: 900px) {
  .wrapper {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
  }
}

@media screen and (min-width: 900px) {
  .main {
    -ms-flex-preferred-size: 75%;
        flex-basis: 75%;
  }
}

.button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  width: 170px;
  margin: 0 auto;
  border: 1px solid #fff;
  padding: 6px 10px;
}
.button--bg {
  background: #fff;
}
.button--bg .button__text {
  color: #000;
}

.header {
  width: 100%;
  position: fixed;
  z-index: 999;
  background: #bfd4e9;
}
@media screen and (min-width: 900px) {
  .header {
    position: static;
    -ms-flex-preferred-size: 25%;
        flex-basis: 25%;
  }
}

.header__container {
  width: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  padding: 10px;
  background: #bfd4e9;
}
@media screen and (min-width: 900px) {
  .header__container {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    gap: 50px;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    position: fixed;
    width: 25%;
    height: 100%;
    padding: 100px 10px;
  }
}

.header__logo {
  display: inline-block;
  font-size: 24px;
  color: #fff;
}

.header__menu-button {
  border: none;
  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;
}
@media screen and (min-width: 900px) {
  .header__menu-button {
    display: none;
  }
}

.header__contents {
  display: none;
}
@media screen and (min-width: 900px) {
  .header__contents {
    display: inline-block;
    background: #bfd4e9;
    width: 25%;
    height: 100%;
  }
}

.header__nav-list {
  display: none;
}
@media screen and (min-width: 900px) {
  .header__nav-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    gap: 30px;
  }
}

.header__nav-link {
  display: none;
  -webkit-transition: all 0.3s ease;
  transition: all 0.3s ease;
}
@media screen and (min-width: 900px) {
  .header__nav-link {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    gap: 10px;
  }
}
@media screen and (min-width: 900px) {
  .header__nav-link:hover {
    background: #fff;
  }
}
@media screen and (min-width: 900px) {
  .header__nav-link:hover .button__icon {
    -webkit-filter: brightness(0);
            filter: brightness(0);
  }
}
@media screen and (min-width: 900px) {
  .header__nav-link:hover .button__text {
    color: #000;
  }
}

@media screen and (min-width: 900px) {
  .button--bg {
    -webkit-transition: all 0.3s ease;
    transition: all 0.3s ease;
  }
  .button--bg:hover {
    background: transparent;
    border: 1px solid #fff;
  }
  .button--bg:hover .button__text {
    color: #fff;
  }
  .button--bg:hover .button__icon {
    -webkit-filter: brightness(1);
            filter: brightness(1);
  }
}

.button__text {
  color: #fff;
  -webkit-transition: color 0.3s ease;
  transition: color 0.3s ease;
}

.button__icon {
  -webkit-transition: -webkit-filter 0.3s ease;
  transition: -webkit-filter 0.3s ease;
  transition: filter 0.3s ease;
  transition: filter 0.3s ease, -webkit-filter 0.3s ease;
}

.drawer {
  top: 68px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  position: fixed;
  display: none;
  width: 100%;
  height: 100%;
  background: #bfd4e9;
  padding-top: 100px;
  margin-inline: auto;
  z-index: 999;
}
@media screen and (min-width: 900px) {
  .drawer {
    display: none;
  }
}

.drawer__nav-list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 30px;
}
@media screen and (min-width: 900px) {
  .drawer__nav-list {
    display: none;
  }
}

.drawer__nav-link {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 10px;
}
@media screen and (min-width: 900px) {
  .drawer__nav-link {
    display: none;
  }
}

.fv {
  position: relative;
}

.fv__contents {
  background: rgba(0, 0, 0, 0.1);
  position: absolute;
  width: 75%;
  padding-block: 15px;
  padding-inline: 30px;
  top: 50%;
  right: 0;
  text-align: right;
}
@media screen and (min-width: 900px) {
  .fv__contents {
    width: 50%;
  }
}

.fv__heading-main {
  display: block;
  font-size: 30px;
  letter-spacing: 0.1em;
  color: #fff;
  text-decoration: underline;
  text-decoration-thickness: 1px;
}

.fv__heading-sub {
  display: block;
  font-size: 11px;
}

.section {
  padding: 48px 0;
}

.section__inner {
  padding: 0 32px;
}

.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;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-bottom: 32px;
}
@media screen and (min-width: 900px) {
  .section__head {
    gap: 10px;
  }
}

.section__head-main {
  font-size: 40px;
  letter-spacing: 0.1em;
  color: #9cadaf;
  text-shadow: 1px 1px 2px;
}
.section__head-main--wh {
  color: #fff;
  font-size: 40px;
}

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

.section__lead-text {
  line-height: 1.6;
  margin-top: 40px;
  text-align: center;
}

.section__contents {
  margin-top: 40px;
}

.service {
  background-color: #e2dde7;
}

.service__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 40px;
}
@media screen and (min-width: 900px) {
  .service__list {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 10px;
  }
}

.service__item {
  border: 2px solid #fff;
  padding: 20px;
  width: 300px;
}
@media screen and (min-width: 900px) {
  .service__item {
    width: 195px;
    height: 230px;
  }
}

.service__item-img {
  text-align: center;
  margin-bottom: 14px;
}
@media screen and (min-width: 900px) {
  .service__item-img img {
    width: 55px;
  }
}

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

.service__item-text {
  font-size: 12px;
  line-height: 1.6;
}

.works {
  text-align: center;
}

.works__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 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);
}
@media screen and (min-width: 900px) {
  .works__item-img img {
    width: 80%;
  }
}

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

.works__item-link {
  text-decoration: underline;
  font-size: 14px;
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
.works__item-link:hover {
  color: #9cadaf;
}

.about {
  background-color: #e2dde7;
}

.about__container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 30px;
}
@media screen and (min-width: 900px) {
  .about__container {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
}

.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);
  width: 360px;
}

.about__text {
  font-size: 14px;
}
.about__text + .about__text {
  margin-top: 1em;
}

.flow__list {
  margin-top: 32px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 40px;
}
@media screen and (min-width: 900px) {
  .flow__list {
    display: grid;
    grid-template-columns: repeat(2, 2fr);
  }
}

.flow__item {
  position: relative;
  border: solid 1px #9cadaf;
  padding: 46px 16px 24px;
  width: 300px;
}
@media screen and (min-width: 768px) and (max-width: 900px) {
  .flow__item {
    width: 360px;
  }
}
@media screen and (min-width: 900px) {
  .flow__item {
    width: 285px;
  }
}

.flow__item-num {
  position: absolute;
  top: -24px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  font-size: 24px;
  background-color: #9cadaf;
  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-weight: bold;
  text-align: center;
  margin-bottom: 10px;
}

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

.message {
  background: #e2dde7;
  text-align: center;
}

.message__container {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 20px;
}
@media screen and (min-width: 900px) {
  .message__container {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
}

.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);
  margin-bottom: 32px;
}

.message__text {
  line-height: 1.6;
}

.page-bottom__item {
  padding: 40px;
  background-color: #9cadaf;
}

.page-bottom__button {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 10px;
  padding: 6px 10px;
  width: 170px;
  margin-inline: auto;
}

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

.footer__copy {
  font-size: 11px;
}