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

.inner {
  padding: 0 32px;
}
@media screen and (min-width: 768px) {
  .inner {
    max-width: 1200px;
    margin: 0 auto;
  }
}

.heading {
  text-align: center;
}

.heading__en {
  font-size: 38px;
  line-height: 1;
  letter-spacing: 3.8px;
}
@media screen and (min-width: 768px) {
  .heading__en {
    font-size: 50px;
    letter-spacing: 3.8px;
  }
}

.heading__ja {
  font-size: 14px;
  line-height: 1; /* 14px */
  letter-spacing: 1.12px;
  margin-top: 14px;
}
@media screen and (min-width: 768px) {
  .heading__ja {
    font-size: 16px;
    letter-spacing: 1.28px;
  }
}

.button {
  display: inline-block;
  color: #333;
  border: 1px solid #333;
  background: #fff;
  min-width: 158px;
  padding: 11px;
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.02px;
  -webkit-transition: color 0.4s, background-color 0.4s;
  transition: color 0.4s, background-color 0.4s;
}
.button:hover {
  color: #fff;
  background-color: #333;
}

.header__inner {
  height: 64px;
  padding: 16px 20px;
  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;
}
@media screen and (min-width: 600px) {
  .header__inner {
    height: 64px;
    padding-inline: 24px;
  }
}

.header__logo img {
  width: 183px;
  height: 24px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}
@media screen and (min-width: 600px) {
  .header__logo img {
    width: 210px;
    height: 27px;
  }
}

@media screen and (min-width: 600px) {
  .header__open {
    display: none;
  }
}

.drawer-icon {
  width: 32px;
  height: 27px;
  position: relative;
}
.drawer-icon.is-checked .drawer-icon__bar:nth-child(1) {
  display: none;
}
.drawer-icon.is-checked .drawer-icon__bar:nth-child(2) {
  display: none;
}
.drawer-icon.is-checked .drawer-icon__bar:nth-child(3) {
  top: 12px;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
.drawer-icon.is-checked .drawer-icon__bar:nth-child(4) {
  top: 12px;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

.drawer-icon__bar {
  position: absolute;
  background: #333;
  height: 3px;
  -webkit-transition: -webkit-transform 0.4s;
  transition: -webkit-transform 0.4s;
  transition: transform 0.4s;
  transition: transform 0.4s, -webkit-transform 0.4s;
  border-radius: 1.5px;
}
.drawer-icon__bar:nth-child(1) {
  left: 0;
  top: 0;
  width: 25.6px;
}
.drawer-icon__bar:nth-child(2) {
  right: 0;
  top: 0;
  width: 4.8px;
}
.drawer-icon__bar:nth-child(3) {
  left: 0;
  top: 12px;
  width: 32px;
}
.drawer-icon__bar:nth-child(4) {
  left: 0;
  top: 24px;
  width: 32px;
}

.header__nav {
  background: #fff;
  width: 100%;
  height: calc(100% - 64px);
  position: fixed;
  right: 0;
  top: 64px;
  padding: 74px 114px;
  -webkit-transform: translateY(-200%);
          transform: translateY(-200%);
  -webkit-transition: -webkit-transform 0.4s;
  transition: -webkit-transform 0.4s;
  transition: transform 0.4s;
  transition: transform 0.4s, -webkit-transform 0.4s;
}
.header__nav.is-checked {
  -webkit-transform: translateY(0);
          transform: translateY(0);
  z-index: 99;
}
@media screen and (min-width: 600px) {
  .header__nav {
    background: transparent;
    width: auto;
    height: auto;
    position: static;
    padding: 0;
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
}

.header__lists {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 32px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (min-width: 600px) {
  .header__lists {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    gap: 20px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}

.header__link {
  color: #333;
  font-weight: 400;
  line-height: 160%;
  font-size: 25px;
  padding-bottom: 8px;
  display: inline-block;
}
@media screen and (min-width: 600px) {
  .header__link {
    font-size: 16px;
    padding-bottom: 0;
  }
}

.mv__img img {
  width: 100%;
}

.service {
  margin-top: 50px;
}
@media screen and (min-width: 768px) {
  .service {
    margin-top: 80px;
  }
}

.service__contents {
  margin-top: 30px;
}
@media screen and (min-width: 768px) {
  .service__contents {
    margin-top: 40px;
  }
}

.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;
  gap: 30px;
}
@media screen and (min-width: 768px) {
  .service__list {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 40px;
  }
}

.service__item-img {
  text-align: center;
  margin-bottom: 10px;
}

.service__item-description {
  text-align: center;
}

.service__item-name {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 12px;
}
@media screen and (min-width: 768px) {
  .service__item-name {
    font-size: 18px;
  }
}

.service__item-text {
  font-size: 14px;
  line-height: 1.5;
}
@media screen and (min-width: 768px) {
  .service__item-text {
    font-size: 16px;
  }
}

.works {
  margin-top: 50px;
}
@media screen and (min-width: 768px) {
  .works {
    margin-top: 80px;
  }
}

.works__list {
  margin-top: 30px;
  display: grid;
  grid-template: 1fr/1fr;
  gap: 30px;
}
@media screen and (min-width: 768px) {
  .works__list {
    margin-top: 40px;
    grid-template: 1fr/repeat(3, 1fr);
  }
}

.works__item-contents {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 10px;
}
@media screen and (min-width: 768px) {
  .works__item-contents {
    gap: 15px;
  }
}

.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;
}
@media screen and (min-width: 768px) {
  .works__item-name {
    font-size: 18px;
  }
}

.works__item-link {
  text-decoration: underline;
  font-size: 14px;
}
@media screen and (min-width: 768px) {
  .works__item-link {
    font-size: 16px;
  }
}

.about {
  margin-top: 50px;
}
@media screen and (min-width: 768px) {
  .about {
    margin-top: 80px;
  }
}

.about__contents {
  margin-top: 30px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 20px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (min-width: 768px) {
  .about__contents {
    margin-top: 40px;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
    gap: 40px;
  }
}

.about__img {
  display: block;
}
.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__description {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 10px;
}
@media screen and (min-width: 768px) {
  .about__description {
    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;
    gap: 10px;
  }
}

.about__text {
  font-size: 14px;
}
@media screen and (min-width: 768px) {
  .about__text {
    font-size: 16px;
  }
}

.contact {
  margin-top: 50px;
  padding-block: 56px;
}
@media screen and (min-width: 768px) {
  .contact {
    margin-top: 80px;
    padding-block: 80px;
  }
}

@media screen and (min-width: 768px) {
  .contact__inner {
    max-width: 590px;
    padding-inline: 40px;
  }
}

.contact__form {
  margin-top: 46px;
}
@media screen and (min-width: 768px) {
  .contact__form {
    margin-top: 64px;
  }
}

.contact__text {
  font-size: 14px;
  text-align: center;
  font-weight: 600;
}
.contact__text .is-required {
  color: #E7728E;
}

.contact__items {
  margin-top: 28px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 32px;
  -webkit-box-align: start;
      -ms-flex-align: start;
          align-items: flex-start;
}
@media screen and (min-width: 768px) {
  .contact__items {
    margin-top: 19px;
  }
}

.contact__item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 3px;
  width: 100%;
}
@media screen and (min-width: 768px) {
  .contact__item {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 10px;
  }
}

@media screen and (min-width: 768px) {
  .contact-item__head {
    width: 180px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
}

.form-label {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 4px 16px;
  background: rgba(51, 51, 51, 0.7);
  gap: 4px;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (min-width: 768px) {
  .form-label {
    width: 100%;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    font-size: 18px;
    padding: 4px 4px 5px;
    -webkit-clip-path: polygon(0% 0%, 97% 2%, 100% 50%, 97% 100%, 0% 100%);
            clip-path: polygon(0% 0%, 97% 2%, 100% 50%, 97% 100%, 0% 100%);
  }
}

.form-label__required {
  color: #E7728E;
  font-size: 10px;
}
@media screen and (min-width: 768px) {
  .form-label__required {
    font-size: 12px;
  }
}

@media screen and (min-width: 768px) {
  .contact-item__input {
    -webkit-box-flex: 1;
        -ms-flex-positive: 1;
            flex-grow: 1;
  }
}

.form-text {
  width: 100%;
  height: 40px;
  border: 0;
  font-size: 16px;
  background: #fff;
  -webkit-box-shadow: 5px 6px 16px 0px rgba(96, 96, 96, 0.16);
          box-shadow: 5px 6px 16px 0px rgba(96, 96, 96, 0.16);
}

.form-textarea {
  width: 100%;
  height: 122px;
  background: #fff;
  -webkit-box-shadow: 5px 6px 16px 0px rgba(96, 96, 96, 0.16);
          box-shadow: 5px 6px 16px 0px rgba(96, 96, 96, 0.16);
  border: 0;
  resize: vertical;
  font-size: 16px;
}

.contact__footer {
  margin-top: 28px;
}
@media screen and (min-width: 768px) {
  .contact__footer {
    margin-top: 32px;
  }
}

.contact__submit {
  text-align: center;
  margin-top: 23px;
}
@media screen and (min-width: 768px) {
  .contact__submit {
    margin-top: 44px;
  }
}

.footer {
  background: #4a4a4a;
  padding-block: 18px;
  text-align: center;
}

.footer__copyright {
  color: #fafafa;
  font-size: 12px;
  line-height: 1;
  letter-spacing: 1px;
}