html,
body {
  margin: 0;
  padding: 0;
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  background-color: #fff;
  color: #5B5B5B;
}

img {
  width: 100%;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

a {
  text-decoration: none;
}

.br-sp {
  display: block;
}

section {
  padding-top: 60px;
  padding-bottom: 60px;
}
.section__bg {
  background-image: linear-gradient(#d6edfb, #ffffff);
}
.section__inner {
  max-width: 1040px;
    width: 100%;
    margin: 0 auto;
}
.section__title {
  display: inline-block;
  position: relative;
  height: 54px;
  font-family: "Montserrat", sans-serif;
  font-size: 36px;
  font-weight: 700;
  line-height: 54px;

  &::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -3px;
    transform: translateX(-50%);
    width: 62px;
    height: 4px;
    background-color: #5b5b5b;
    border-radius: 15px;
  }
}
.section__description {
  margin-top: 26px;
  line-height: 28px;
}

/*header*/
header{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: #FFF;
  z-index: 999;
}
.header__inner {
  display: flex;
  max-width: calc(1280px - 33px * 2);
  width: 100%;
  height: 80px;
  margin: 0 auto;
  padding-right: 33px;
  padding-left: 33px;
}
.header__logo {
  width: 128px;
  margin-top: 11px;
}
.header-logo {

  &img {
    width: 100px;
  }
}
.header__contents {
  display: flex;
  margin-left: auto;
}
.header__nav {
}
.header__nav-lists {
  display: flex;
}
.header__nav-link {
  margin-left: 40px;

  &:first-child {
    margin-left: 0;
  }
}
.header__nav-link a {
  display: block;
  position: relative;
  color: #5B5B5B;
  line-height: 80px;
  font-weight: bold;

  &::before {
    position: absolute;
    content: "";
    top: 25px;
    left: 50%;
    width: 100%;
    height: 2px;
    transform: translateX(-50%);
    background-color: #5B5B5B;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s;
  }
  &::after {
    position: absolute;
    content: "";
    bottom: 21px;
    left: 50%;
    width: 100%;
    height: 2px;
    transform: translateX(-50%);
    background-color: #5B5B5B;
    opacity: 0;
    visibility: hidden;
    transition: all 0.5s;
  }

  &:hover {

    &::before, &::after {
      opacity: 1;
      visibility: visible;
    }
  }
}

/*fv*/
.fv {
  position: relative;
  height: 500px;
  margin-top: 80px;
}
.fv__wrapper {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: calc(1280px - 60px * 2);
  height: inherit;
  z-index: 10;
}
.fv__contents {
  width: 322px;
  height: calc(91px * 2 + 22px);
  margin-top: 162px;
  margin-left: 61px;
}
.fv__heading {
  text-align-last: left;
}
.fv__heading >span {
  display: inline-block;
  height: 91px;
  padding-right: 22.5px;
  padding-left: 22.5px;
  background-color: #FFF;
  font-family: "Patua One", serif;
  font-size: 75px;
  line-height: 91px;

  &:first-child {
    margin-bottom: 22px;
  }
}
.fv__background {
  position: relative;
  width: 100%;
  height: 500px;
  background: url(../img/first-view.jpg) no-repeat center center/cover;
}
.fv__background::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 500px;
  background-color: rgba(0, 0, 0, 0.5);
}

/*service*/
.service__inner {

}
.service__items {
  width: 827px;
  display: flex;
  justify-content: space-between;
  margin: 46px auto 0;
}
.service__item {
  width: 400px;
  height: 330px;
  padding-top: 30px;
  background-color: #FFFFFF;
  border-radius: 10px;
}
.service__image {
  width: 150px;
  margin: 0 auto;
}
.service__image img {
  width: 100%;
}
.service__item--heading {
  max-width: 260px;
  width: 100%;
  margin-top: 24px;
  margin-right: auto;
  margin-left: auto;
}
.service__item--title {
  height: 25px;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  line-height: 25px;
}
.service__item--text {
  margin-top: 19px;
}
/*works*/
.works {
  background-color: #FFFFFF;
}
.works__inner {

}
.works__items {
  display: flex;
  justify-content: space-between;
  margin: 51.17px auto auto 0;
}
.works__item {
  width: 30%;
}
.works__item-link {
  color: #5B5B5B;
  transition: all 0.5s;

  &:hover {
    opacity: 0.5;
  }
}
.works__item-image {
  width: 100%;
  height: 230px;
}
.works__item-image >img {
    width: 100%;
    height: 230px;
    object-fit: cover;
    border-radius: 10px;
  }
  .works__item-title {
    margin-top: 29px;
    line-height: 1.5;
  }

/*work-flow*/
.work-flow__items {
  display: flex;
  justify-content: space-around;
  width: 1012px;
  margin-top: 64.03px;
}
.work-flow__item {
  width: 230px;
  height: calc(230px - 45px);
  padding-top: 45px;
  margin: 0 auto;
  border-radius: 50%;
  background-color: #fff;
  box-shadow: 5px 5px 10px 0 rgba(0, 0, 0, 0.25);
}
.work-flow__item--text {
  color: #75C2E9;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
}
.work-flow__item-image {
  width: 100px;
  margin: 12px auto 0;
}
.work-flow__item-image img {
  width: 100%;
}

/*about*/
.about {
  background: #FFFFFF;
}
.about__contents {
  display: flex;
  margin: 0 auto;
}
.about__message {
  width: 40%;
  color: #000;
  line-height: 24px;
}
.about__message-title {
  font-size: 20px;
}
.about__message-text p {
  margin-top: 20px;
}
.about__image {
  width: 50%;
  margin-left: auto;
}
.about__image img {
  width: 100%;
  border-radius: 10px;
}

/*contact*/
.contact {
  padding-bottom: 67px;
  background-color: #EEF9FF;
}
.contact__heading {
  text-align: center;
}
.contact__contents {
  margin-top: 42px;
}
.contact__form {
  margin-right: auto;
  margin-left: auto;
  padding: 33px 29px 55px 31px;
  background-color: #FFFFFF;
  border-radius: 15px;
  text-align: left;
}
.contact-form__row:not(:first-child) {
  margin-top: 40px;
}
.contact-form__label {
  width: 100%;
}
.contact-form__label label {
  display: inline-block;
  height: 23px;
  font-weight: bold;
  line-height: 1.5;
}
.contact-form__label label.is-required {
  display: inline-block;
  position: relative;
}
.contact-form__label label.is-required::after {
  content: "*";
  position: absolute;
  width: 18px;
  height: 18px;
  top: 2px;
  right: -18px;
  color: #FC9D9D;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  line-height: 1;
}
.contact-form__input {
  width: 100%;
  margin-top: 15px;
}
.contact-form__input [type=text],
.contact-form__input [type=email] {
  width: calc(100% - 16px * 2);
  padding: 14px 16px;
  box-shadow: none;
  border: solid 1px #AAD6EC;
  border-radius: 15px;
  background-color: #EEF9FF;
  font-family: inherit;
  font-size: 14px;
  color: #5B5B5B;
}
textarea {
  width: calc(100% - 16px * 2);
  height: 140px;
  resize: none;
  margin-top: 8px;
  padding: 14px 16px;
  appearance: 0;
  background-color: #EEF9FF;
  border: solid 1px #AAD6EC;
  border-radius: 15px;
  font-family: inherit;
  font-size: 14px;
}
.contact-form__radio {
  margin-top: 15px;
}
.contact-form__radio [type=radio] {
  display: none;
}
.contact-form__radio span {
  display: block;
  position: relative;
  height: 24px;
  margin-top: 6px;
  padding-left: 23.94px;
  padding-bottom: 3px;
  line-height: 24px;
}
.contact-form__radio span::before {
  content: "";
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  width: 15px;
  height: 15px;
  border: solid 1px #AAD6EC;
  border-radius: 50%;
  background-color: #FFFFFF;
}
.contact-form__radio span::after {
  content: "";
  display: none;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #AAD6EC;
}
.contact-form__radio [type=radio]:checked + span::after {
  display: block;
}
.contact-form__btn {
  margin-top: 54px;
  text-align: center;
  transition: all 0.3s ease 0s;
}
.contact-form__btn:hover {
  opacity: 0.7;
}
.contact-form__btn [type=submit] {
  display: inline-block;
  width: 240px;
  margin: 0 auto;
  padding-top: 17px;
  padding-bottom: 18px;
  background-color: #FC9D9D;
  border: none;
  border-radius: 15px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.16);
  cursor: pointer;
  color: #FFFFFF;
  font-size: 20px;
  font-weight: 700;
  line-height: 29px;
  text-align: center;
}
.contact-form__btn [type=submit]:active {
  transform: translateY(4px);
  box-shadow: none;
}

/*footer*/
.footer {
  height: 50px;
  background-color: #fff;
  text-align: center;
  line-height: 50px;
}
.footer >small {
  font-size: 12px;
}