*,
*::before,
*::after {
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

body {
  font-family: "Noto Serif JP", serif;
  color: #333;
  font-size: 16px;
  line-height: 1.7;
  font-weight: 300;
}

html {
  scroll-behavior: smooth;
}

img {
  max-width: 100%;
  height: auto;
}

.inner {
  padding-inline: 15px;
}
@media screen and (min-width: 768px) {
  .inner {
    padding-inline: 40px;
    max-width: 1280px;
    margin-left: auto;
    margin-right: auto;
  }
}

.button {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  width: 158px;
  padding: 11px 3px;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  border: 1px solid #3ea1d1;
  color: #3ea1d1;
  font-size: 14px;
  letter-spacing: 0.02px;
  -webkit-transition: color 0.3s, background-color 0.3s;
  transition: color 0.3s, background-color 0.3s;
}
.button:hover {
  color: #fff;
  background-color: #3ea1d1;
}

.heading {
  font-size: 30px;
  font-weight: 600;
  line-height: 1;
  text-align: center;
  position: relative;
}
@media screen and (min-width: 768px) {
  .heading {
    font-size: 40px;
  }
}
.heading::after {
  content: "";
  width: 60px;
  height: 1px;
  background-color: #3ea1d1;
  position: absolute;
  bottom: -28px;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
}

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

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

/* ---------------------------
header
----------------------------*/
.header {
  padding-top: 19px;
  padding-bottom: 19px;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 20;
  background-color: #fff;
}
@media screen and (min-width: 768px) {
  .header {
    padding-top: 22px;
    padding-bottom: 21px;
  }
}

@media screen and (min-width: 768px) {
  .header__inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
}

.header-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.header__logo a img {
  width: 120px;
  display: block;
}
@media screen and (min-width: 768px) {
  .header__logo {
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
  }
  .header__logo:hover {
    opacity: 0.6;
  }
}

.header__link {
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}
@media screen and (min-width: 768px) {
  .header__link:hover {
    color: #3ea1d1;
  }
}

.header__open {
  margin-top: 3px;
}
@media screen and (min-width: 768px) {
  .header__open {
    display: none;
  }
}

.header__open {
  margin-top: 3px;
}
@media screen and (min-width: 768px) {
  .header__open {
    display: none;
  }
}

.drawer {
  position: fixed;
  z-index: 30;
}

.drawer-icon {
  width: 30px;
  height: 18px;
  position: relative;
}
.drawer-icon.is-checked .drawer-icon__ber:nth-of-type(1) {
  top: 10px;
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
}
.drawer-icon.is-checked .drawer-icon__ber:nth-of-type(2) {
  display: none;
}
.drawer-icon.is-checked .drawer-icon__ber:nth-of-type(3) {
  top: 10px;
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
}

.drawer-icon__ber {
  position: absolute;
  left: 0;
  width: 30px;
  height: 2px;
  background: #3ea1d1;
  -webkit-transition: top 0.3s linear, -webkit-transform 0.3s linear;
  transition: top 0.3s linear, -webkit-transform 0.3s linear;
  transition: transform 0.3s linear, top 0.3s linear;
  transition: transform 0.3s linear, top 0.3s linear, -webkit-transform 0.3s linear;
}
.drawer-icon__ber:nth-child(1) {
  top: 0;
}
.drawer-icon__ber:nth-child(2) {
  top: 8px;
}
.drawer-icon__ber:nth-child(3) {
  top: 16px;
}

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

.header__lists {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  gap: 46px;
}

.drawer {
  position: fixed;
  top: 60;
  right: 0;
  padding: 40px 15px;
  width: 270px;
  height: 618px;
  background-color: #3ea1d1;
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
  -webkit-transition: -webkit-transform 0.3s linear;
  transition: -webkit-transform 0.3s linear;
  transition: transform 0.3s linear;
  transition: transform 0.3s linear, -webkit-transform 0.3s linear;
}
.drawer.is-checked {
  -webkit-transform: translateX(0);
          transform: translateX(0);
}

.drawer__menu {
  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;
}

.drawer__link {
  color: #fff;
  text-align: right;
  font-size: 18px;
}

/* ---------------------------
mv
----------------------------*/
.mv__inner {
  position: relative;
}

@media screen and (min-width: 768px) {
  .mv__image img {
    max-width: 990px;
    display: block;
    margin-left: auto;
  }
}

@media screen and (min-width: 768px) {
  .mv__message {
    padding: 80px 40px;
    background: #fff;
    position: absolute;
    inset-block: 0;
    margin-block: auto;
    left: 0;
    height: -webkit-fit-content;
    height: -moz-fit-content;
    height: fit-content;
  }
}

.mv__title {
  margin-top: 30px;
  font-size: 26px;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .mv__title {
    margin-top: 0;
    line-height: 1.7;
  }
}

.mv__description {
  margin-top: 16px;
}
@media screen and (min-width: 768px) {
  .mv__description {
    margin-top: 16px;
  }
}

/* ---------------------------
concept
----------------------------*/
.concept {
  padding-top: 94px;
}
@media screen and (min-width: 768px) {
  .concept {
    padding-top: 160px;
  }
}

@media screen and (min-width: 768px) {
  .concept__content {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-top: 88px;
    gap: 80px;
  }
}

.concept__image img {
  margin-top: 74px;
}
@media screen and (min-width: 768px) {
  .concept__image img {
    margin-top: 0;
    max-width: 600px;
  }
}

.concept__tagline {
  font-size: 20px;
  font-weight: 600;
  margin-top: 34px;
}
@media screen and (min-width: 768px) {
  .concept__tagline {
    margin-top: 105px;
  }
}

.concept__description {
  margin-top: 22px;
}
@media screen and (min-width: 768px) {
  .concept__description {
    margin-top: 40px;
  }
}

/* ---------------------------
feature
----------------------------*/
.feature {
  padding-top: 96px;
}
@media screen and (min-width: 768px) {
  .feature {
    padding-top: 160px;
  }
}

.feature__boxes {
  margin-top: 74px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 48px;
}
@media screen and (min-width: 768px) {
  .feature__boxes {
    margin-top: 90px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 90px;
  }
}

.feature__box {
  background: #fff;
  -webkit-box-shadow: 3px 3px 15px 0 rgba(96, 96, 96, 0.16);
          box-shadow: 3px 3px 15px 0 rgba(96, 96, 96, 0.16);
}

.feature__text {
  font-weight: 600;
  text-align: center;
  padding-top: 26px;
  padding-bottom: 26px;
}

/* ---------------------------
about
----------------------------*/
.about {
  color: #fff;
  margin-top: 98px;
  background: url(../img/bg-sp.jpg) no-repeat top center/cover;
  position: relative;
  padding-block: 180px 50px;
}
@media screen and (min-width: 768px) {
  .about {
    margin-top: 158px;
    background: url(../img/bg-pc.jpg) no-repeat top center/cover;
    padding-block: 123px 122px;
  }
}
.about::after {
  content: "";
  background: rgba(0, 0, 0, 0.12);
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.about__content {
  position: relative;
  z-index: 2;
}

.about__title {
  font-size: 20px;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .about__title {
    font-size: 22px;
  }
}

.about__text {
  margin-top: 24px;
  font-size: 14px;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .about__text {
    font-size: 16px;
  }
}

/* ---------------------------
products
----------------------------*/
.products {
  padding-top: 96px;
}
@media screen and (min-width: 768px) {
  .products {
    padding-top: 160px;
  }
}

.products__cards {
  margin-top: 74px;
  padding-bottom: 42px;
  padding-inline: 56px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 43px;
}
@media screen and (min-width: 768px) {
  .products__cards {
    margin-top: 88px;
    margin-bottom: 44px;
    padding-bottom: 0;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 80px;
    padding-inline: 170px;
  }
}

@media screen and (min-width: 768px) {
  .products__card:hover .products__image img {
    -webkit-transform: scale(1.1);
            transform: scale(1.1);
  }
}

.products__image {
  text-align: center;
}
.products__image img {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .products__image {
    overflow: hidden;
  }
  .products__image img {
    -webkit-transition: -webkit-transform 0.5s;
    transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    transition: transform 0.5s, -webkit-transform 0.5s;
  }
}

.products__body {
  margin-top: 19px;
}

.products__text {
  font-size: 14px;
}

.products__price {
  margin-top: 10px;
  color: #989898;
  font-size: 14px;
}

.products__button {
  text-align: center;
}

/* ---------------------------
news
----------------------------*/
.news {
  padding-top: 96px;
}
@media screen and (min-width: 768px) {
  .news {
    padding-top: 160px;
  }
}

@media screen and (min-width: 768px) {
  .news__inner {
    max-width: 1120px;
    padding-inline: 40px;
  }
}

.news__cards {
  margin-top: 74px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
  gap: 28px;
}
@media screen and (min-width: 768px) {
  .news__cards {
    gap: 24px;
    margin-top: 88px;
  }
}

.news__card {
  border-bottom: 1px solid #e0e0e0;
}

@media screen and (min-width: 768px) {
  .news-card {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
        -ms-flex-align: start;
            align-items: flex-start;
    gap: 40px;
    padding-bottom: 24px;
  }
}
.news-card:hover .news-card__image img {
  -webkit-transform: scale(1.1);
          transform: scale(1.1);
}

@media screen and (min-width: 768px) {
  .news-card__image {
    width: 260px;
    -ms-flex-negative: 0;
        flex-shrink: 0;
    overflow: hidden;
  }
  .news-card__image img {
    -webkit-transition: -webkit-transform 0.5s;
    transition: -webkit-transform 0.5s;
    transition: transform 0.5s;
    transition: transform 0.5s, -webkit-transform 0.5s;
  }
}

.news-card__body {
  padding-block: 16px 28px;
}
@media screen and (min-width: 768px) {
  .news-card__body {
    padding-block: 0;
    -webkit-box-flex: 1;
        -ms-flex-positive: 1;
            flex-grow: 1;
  }
}

.news-card__time {
  font-size: 14px;
  display: block;
}

.news-card__title {
  margin-top: 10px;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .news-card__title {
    margin-top: 16px;
    font-size: 18px;
  }
}

.news-card__text {
  margin-top: 14px;
  font-size: 14px;
  color: #888;
}
@media screen and (min-width: 768px) {
  .news-card__text {
    margin-top: 10px;
  }
}

.news__button {
  text-align: center;
  margin-top: 12px;
}
@media screen and (min-width: 768px) {
  .news__button {
    margin-top: 18px;
  }
}

/* ---------------------------
concept2
----------------------------*/
.concept2 {
  padding-top: 96px;
}
@media screen and (min-width: 768px) {
  .concept2 {
    padding-top: 160px;
  }
}

.concept2__inner {
  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: 768px) {
  .concept2__inner {
    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;
  }
}
@media screen and (min-width: 900px) {
  .concept2__inner {
    gap: 60px;
  }
}
@media screen and (min-width: 1200px) {
  .concept2__inner {
    gap: 80px;
  }
}

.concept2__image {
  text-align: center;
}
.concept2__image img {
  width: 100%;
}
@media screen and (min-width: 768px) {
  .concept2__image {
    width: 50%;
    -ms-flex-negative: 0;
        flex-shrink: 0;
  }
}

@media screen and (min-width: 768px) {
  .concept2__body {
    -webkit-box-flex: 1;
        -ms-flex-positive: 1;
            flex-grow: 1;
  }
}

.concept2__title {
  font-size: 20px;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .concept2__title {
    font-size: 22px;
  }
}
@media screen and (min-width: 900px) {
  .concept2__title {
    font-size: 25px;
  }
}
@media screen and (min-width: 1200px) {
  .concept2__title {
    font-size: 28px;
  }
}

.concept2__text {
  margin-top: 22px;
  font-size: 14px;
}
@media screen and (min-width: 768px) {
  .concept2__text {
    margin-top: 36px;
    font-size: 16px;
  }
}

/* ---------------------------
contact
----------------------------*/
input:focus,
textarea:focus {
  outline-color: #3ea1d1;
}

.contact {
  padding-block: 56px;
  margin-top: 96px;
  background: url(../img/contact_bg.jpg) no-repeat center center/cover;
}
@media screen and (min-width: 768px) {
  .contact {
    padding-block: 80px;
    margin-top: 160px;
  }
}

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

.contact__heading {
  color: #3ea1d1;
}

.contact__form {
  margin-top: 74px;
}
@media screen and (min-width: 768px) {
  .contact__form {
    margin-top: 88px;
  }
}

.contact__text {
  font-size: 14px;
  font-weight: 600;
  text-align: center;
}

.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;
}
@media screen and (min-width: 768px) {
  .contact__items {
    margin-top: 19px;
  }
}

.contact-control {
  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;
}
@media screen and (min-width: 768px) {
  .contact-control {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    gap: 10px;
  }
}

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

.form-label {
  display: -webkit-inline-box;
  display: -ms-inline-flexbox;
  display: inline-flex;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  padding: 4px 16px;
  background-color: rgba(62, 161, 209, 0.7);
  -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-top: 5px;
    padding-bottom: 4px;
    padding-inline: 4px;
    clip-path: polygon(0% 0%, 97% 0, 100% 50%, 97% 100%, 0% 100%);
  }
}

.form-label__required {
  font-size: 10px;
  color: #e7728e;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .form-label__required {
    font-size: 12px;
  }
}

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

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

.contact-control__radios {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}

.form-radio {
  position: relative;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

.form-radio__input {
  width: 1px;
  height: 1px;
  position: absolute;
  clip: rect(0 0 0 0);
  overflow: hidden;
}
.form-radio__input:checked + .form-radio__text {
  background-color: #3ea1d1;
  color: #fff;
}

.form-radio__text {
  color: #3ea1d1;
  background-color: #fff;
  letter-spacing: 0.026px;
  border: 1px solid #fff;
  width: 80px;
  height: 40px;
  display: grid;
  place-items: center;
}

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

.contact__privacy {
  text-align: center;
}

.form-checkbox {
  position: relative;
}

.form-checkbox__input {
  width: 1px;
  height: 1px;
  position: absolute;
  clip: rect(0 0 0 0);
  overflow: hidden;
}
.form-checkbox__input:checked + .form-checkbox__text::after {
  opacity: 1;
}

.form-checkbox__text {
  font-size: 16px;
  padding-left: 30px;
}
.form-checkbox__text a {
  color: #3ea1d1;
  text-decoration-line: underline;
}
.form-checkbox__text::before, .form-checkbox__text::after {
  content: "";
  position: absolute;
  left: 0;
  inset-block: 0;
  margin-block: auto;
}
.form-checkbox__text::before {
  width: 22px;
  height: 22px;
  background-color: #fff;
  border: 1px solid #3ea1d1;
}
.form-checkbox__text::after {
  opacity: 0;
  width: 19.414px;
  height: 14.621px;
  left: 1.29px;
  background: url(../img/form-check.png) no-repeat center center/contain;
}

.contact__submit {
  margin-top: 21px;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .contact__submit {
    margin-top: 44px;
  }
}

.contact__button {
  background-color: #fff;
}

/* ---------------------------
footer
----------------------------*/
.footer {
  padding-block: 38px 7px;
  background-color: #f7f7f7;
}
@media screen and (min-width: 768px) {
  .footer {
    padding-top: 40px;
    padding-bottom: 14px;
  }
}

.footer__inner {
  text-align: center;
}

.footer__logo img {
  width: 120px;
  display: block;
  margin-inline: auto;
}
@media screen and (min-width: 768px) {
  .footer__logo {
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
  }
  .footer__logo:hover {
    opacity: 0.6;
  }
}

.footer__menu-items {
  margin-top: 17px;
  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: center;
      -ms-flex-align: center;
          align-items: center;
  gap: 5px;
}
@media screen and (min-width: 768px) {
  .footer__menu-items {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    gap: 32px;
  }
}

@media screen and (min-width: 768px) {
  .footer__menu-item {
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
  }
  .footer__menu-item:hover {
    opacity: 0.6;
  }
}

.footer__menu-link {
  font-size: 12px;
}

.footer__sns-items {
  margin-top: 11px;
  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;
  gap: 38px;
}
@media screen and (min-width: 768px) {
  .footer__sns-items {
    margin-top: 14px;
  }
}

@media screen and (min-width: 768px) {
  .footer__sns-item {
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
  }
  .footer__sns-item:hover {
    opacity: 0.6;
  }
}

.footer__sns-link img {
  width: 19px;
}

.footer__copyright {
  color: #888;
  font-size: 14px;
  margin-top: 24px;
}
@media screen and (min-width: 768px) {
  .footer__copyright {
    margin-top: 26px;
  }
}