html {
  scroll-behavior: smooth;
  scroll-padding-top: 40px;
}
@media screen and (min-width: 768px) {
  html {
    scroll-padding-top: 50px;
  }
}

body {
  font-size: 16px;
  line-height: 1.7;
  font-family: "Noto Serif JP", "san serif";
}

.inner {
  padding-inline: 15px;
}
@media screen and (min-width: 768px) {
  .inner {
    padding-inline: 50px;
  }
}

section {
  margin-top: 60px;
}
@media screen and (min-width: 768px) {
  section {
    margin-top: 50px;
  }
}

.is-hidden-md {
  display: none;
}
@media screen and (min-width: 768px) {
  .is-hidden-md {
    display: block;
  }
}

.heading-ja {
  text-align: center;
  position: relative;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
  font-size: 24px;
  margin-bottom: 60px;
}
@media screen and (min-width: 768px) {
  .heading-ja {
    font-size: 28px;
    margin-bottom: 40px;
  }
}
.heading-ja::after {
  position: absolute;
  content: "";
  background-color: #3ea1d1;
  width: 50%;
  height: 2px;
  bottom: -10px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

header {
  position: fixed;
  inset: 0;
  height: 40px;
  background-color: #fff;
}

.header__inner {
  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: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  height: 100%;
}

.header__logo {
  width: 40px;
}
.header__logo img {
  width: 100%;
}

.header__right {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.header__nav {
  display: none;
}
@media screen and (min-width: 768px) {
  .header__nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 20px;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}
.header__nav li a {
  color: #3ea1d1;
  font-weight: 700;
}

.drawer__icon {
  position: fixed;
  top: 10px;
  right: 20px;
  z-index: 300;
  width: 20px;
  height: 20px;
}
@media screen and (min-width: 768px) {
  .drawer__icon {
    display: none;
  }
}
.drawer__icon.is-active {
  -webkit-transition: -webkit-transform 0.5s ease 0s;
  transition: -webkit-transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s, -webkit-transform 0.5s ease 0s;
}
.drawer__icon.is-active .drawer__icon-bar:nth-child(1) {
  top: 8px;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}
.drawer__icon.is-active .drawer__icon-bar:nth-child(2) {
  display: none;
}
.drawer__icon.is-active .drawer__icon-bar:nth-child(3) {
  top: 8px;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}

.drawer__icon-bars {
  position: relative;
  width: 100%;
  height: 100%;
}

.drawer__icon-bar {
  position: absolute;
  content: "";
  height: 1px;
  width: 100%;
  background-color: #3ea1d1;
  top: 0;
  left: 0;
  -webkit-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
.drawer__icon-bar:nth-child(2) {
  top: 9px;
}
.drawer__icon-bar:nth-child(3) {
  top: 18px;
}

.drawer__content {
  width: 200px;
  height: 100%;
  position: fixed;
  right: 0;
  top: 40px;
  background: #fff;
  -webkit-box-shadow: 0 0 3px rgba(0, 0, 0, 0.16);
          box-shadow: 0 0 3px rgba(0, 0, 0, 0.16);
  z-index: 299;
  -webkit-transform: translateX(105%);
          transform: translateX(105%);
  -webkit-transition: -webkit-transform 0.5s ease 0s;
  transition: -webkit-transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s;
  transition: transform 0.5s ease 0s, -webkit-transform 0.5s ease 0s;
  background-color: #3ea1d1;
}
.drawer__content.is-active {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}
@media screen and (min-width: 768px) {
  .drawer__content {
    display: none;
  }
}

.drawer__content-items {
  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-align: end;
      -ms-flex-align: end;
          align-items: flex-end;
  gap: 30px;
  padding: 32px 10px;
}

.drawer__content-item {
  text-align: right;
  color: #fff;
}

.fv {
  background: url(../img/fv-bg-sp.jpg) no-repeat top center/cover;
  width: 100%;
  margin-top: 40px;
  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;
  aspect-ratio: 680/480;
}

.fv__content {
  text-align: center;
}

.fv__title {
  font-size: 30px;
  font-weight: 600;
  color: #fff;
}
@media screen and (min-width: 768px) {
  .fv__title {
    font-size: 40px;
  }
}

.fv__message {
  margin-top: 15px;
}
@media screen and (min-width: 768px) {
  .fv__message {
    font-size: 20px;
    margin-top: 30px;
  }
}

.introduce__box {
  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-shadow: 0px 0px 15px -5px #777777;
          box-shadow: 0px 0px 15px -5px #777777;
  border-radius: 10px;
  padding: 20px;
  margin-left: auto;
  margin-right: auto;
}
@media screen and (min-width: 768px) {
  .introduce__box {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    padding-inline: 50px;
    max-width: 800px;
  }
}

.introduce__img {
  max-width: 250px;
  margin-left: auto;
  margin-right: auto;
}
.introduce__img img {
  width: 100%;
}

.introduce__text {
  text-align: center;
}

.cando__cards {
  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: 768px) {
  .cando__cards {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.cando__card {
  width: 100%;
  -webkit-box-shadow: 0px 0px 15px -5px #777777;
          box-shadow: 0px 0px 15px -5px #777777;
  border-radius: 10px;
  padding: 20px;
}

.cando__card-img {
  aspect-ratio: 640/360;
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
}
.cando__card-body {
  margin-top: 20px;
  text-align: center;
}

.cando__card-title {
  padding-bottom: 10px;
  font-size: 18px;
}

.work__attention {
  text-align: center;
  font-weight: 700;
  margin-bottom: 20px;
}

.work__cards {
  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: 768px) {
  .work__cards {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.work__card {
  width: 100%;
  -webkit-box-shadow: 0px 0px 15px -5px #777777;
          box-shadow: 0px 0px 15px -5px #777777;
  border-radius: 10px;
  padding: 20px;
}

.work__card-title {
  font-size: 20px;
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.work__card-img {
  aspect-ratio: 640/360;
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
  overflow: hidden;
}
.modal {
  border-radius: 20px;
  background: #fff;
  position: fixed;
  inset: 0;
  margin: auto;
  overflow: auto;
  z-index: 400;
  border: none;
  padding: 16px 15px 64px;
  overscroll-behavior-y: none;
}
@media screen and (min-width: 768px) {
  .modal {
    width: 1140px;
    padding: 49px 70px 75px;
  }
}
.modal::-ms-backdrop {
  opacity: 0.2;
  background: #000;
}
.modal::backdrop {
  opacity: 0.2;
  background: #000;
}

.modal__inner {
  width: 100%;
  height: 100%;
}

.modal__head {
  position: sticky;
  top: 0;
  font-size: 30px;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin-left: auto;
}

.modal__image {
  aspect-ratio: 640/360;
  width: 100%;
  max-width: 600px;
  margin-inline: auto;
  overflow: scroll;
  -ms-scroll-chaining: none;
      overscroll-behavior: none;
}

footer {
  background-color: #3ea1d1;
}

.footer__inner {
  padding-block: 30px;
}
@media screen and (min-width: 768px) {
  .footer__inner {
    padding-block: 40px;
  }
}

.footer__copyright {
  text-align: center;
  font-weight: 700;
  color: #fff;
}