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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  font-size: 62.5%;
}

body {
  font-size: 1.4rem;
  line-height: 1.6;
  color: #333;
  font-family: "Noto Serif JP", serif;
}
@media screen and (min-width: 768px) {
  body {
    font-size: 1.6rem;
  }
}

header,
footer,
section,
main,
aside {
  display: block;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  padding: 0;
}

p {
  margin: 0;
}

ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

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

a {
  color: inherit;
  text-decoration: none;
}

figure {
  margin: 0;
}

.inner {
  width: 1120px;
  max-width: 100%;
  margin: 0 auto;
  padding-inline: 40px;
}

/* ======================================================
header
======================================================= */
.header {
  position: fixed;
  width: 100%;
  z-index: 20;
  background: rgba(255, 255, 255, 0.8);
}

.header__inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  height: 80px;
}
.header__logo {
  width: 140px;
}

.header__right {
  position: fixed;
  right: -150%;
  -webkit-transition: right 0.5s;
  transition: right 0.5s;
  top: 80px;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: #fff;
  width: 100%;
  height: 100vh;
}
@media screen and (min-width: 1100px) {
  .header__right {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    position: static;
    background-color: transparent;
    -webkit-transform: translateX(0%);
            transform: translateX(0%);
    height: 0;
  }
}
.header__right.is-active {
  right: -50%;
}

@media screen and (min-width: 1100px) {
  .header__nav {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-flex: 1;
        -ms-flex-positive: 1;
            flex-grow: 1;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    margin-left: 32px;
  }
}
.header__nav li {
  position: relative;
  margin-top: 40px;
  text-align: center;
}
@media screen and (min-width: 1100px) {
  .header__nav li {
    margin-top: 0;
  }
}
.header__nav li::before {
  content: "";
  position: absolute;
  width: 1px;
  height: 36px;
  background: #333;
  left: 0;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.header__nav li a {
  display: block;
  width: -webkit-fit-content;
  width: -moz-fit-content;
  width: fit-content;
  margin: 0 auto;
  padding: 0 30px;
  line-height: 1;
  text-align: center;
}
@media screen and (min-width: 768px) {
  .header__nav li a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .header__nav li a:hover {
    opacity: 0.5;
  }
}
.header__nav li a span {
  display: block;
  font-family: "Lora", serif;
  color: #b69b04;
  margin-top: 8px;
  font-size: 1.2rem;
}

.header__contact {
  width: 160px;
  margin-top: 40px;
  text-align: center;
  margin-inline: auto;
}
@media screen and (min-width: 1100px) {
  .header__contact {
    margin-left: auto;
    margin-top: 0;
  }
}
.header__contact a {
  display: block;
  color: #fff;
  background: #31452d;
  height: 80px;
  text-align: center;
  padding-top: 24px;
  line-height: 1;
}
@media screen and (min-width: 768px) {
  .header__contact a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .header__contact a:hover {
    opacity: 0.7;
  }
}
.header__contact a span {
  font-family: "Lora", serif;
  font-size: 1.2rem;
  color: #b69b04;
  display: block;
  line-height: 1;
  margin-top: 7px;
}

.drawer {
  position: relative;
  width: 40px;
  height: 30px;
  border: none;
  background-color: transparent;
  cursor: pointer;
}
@media screen and (min-width: 1100px) {
  .drawer {
    display: none;
  }
}
.drawer.is-active .drawer-bar:nth-child(1) {
  -webkit-transform: rotate(45deg);
          transform: rotate(45deg);
  top: 15px;
}
.drawer.is-active .drawer-bar:nth-child(2) {
  display: none;
}
.drawer.is-active .drawer-bar:nth-child(3) {
  -webkit-transform: rotate(-45deg);
          transform: rotate(-45deg);
  top: 15px;
}

.drawer-bar {
  position: absolute;
  content: "";
  background-color: #333;
  width: 40px;
  height: 2px;
  top: 0;
  left: 0;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
}
.drawer-bar:nth-child(1) {
  top: 0;
}
.drawer-bar:nth-child(2) {
  top: 15px;
}
.drawer-bar:nth-child(3) {
  top: 30px;
}

/* ======================================================
.main-visual
======================================================= */
.main-visual {
  width: 100%;
  height: 100vh;
  background: transparent url(../img/top-image@2x.jpg) no-repeat center center/cover;
}

.main-visual__inner {
  height: inherit;
  position: relative;
}

.main-visual__text {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
  left: 0;
}
.main-visual__text img {
  width: 960px;
}

.section {
  margin-top: 80px;
}
@media screen and (min-width: 768px) {
  .section {
    margin-top: 120px;
  }
}

.section__title {
  text-align: center;
  margin-bottom: 32px;
  padding-bottom: 15px;
  position: relative;
}
.section__title::before {
  position: absolute;
  content: "";
  width: 64px;
  height: 1px;
  bottom: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  background-color: #b69b04;
}

.section__title-ja {
  display: block;
  font-size: 2.4rem;
}
@media screen and (min-width: 768px) {
  .section__title-ja {
    font-size: 3.2rem;
  }
}

.section__title-en {
  display: block;
  font-family: "Lora", serif;
  font-size: 1.6rem;
}

.button {
  text-align: center;
}
.button a {
  display: inline-block;
  border: 1px solid #333;
  padding: 16px 62px;
}
@media screen and (min-width: 768px) {
  .button a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .button a:hover {
    opacity: 0.5;
  }
}

/* ======================================================
concept
======================================================= */
.concept {
  padding-bottom: 31px;
}

.concept__inner {
  position: relative;
}

.concept__content {
  position: static;
  background-color: #31452d;
  color: #fff;
  padding: 30px 20px;
}
@media screen and (min-width: 768px) {
  .concept__content {
    position: absolute;
    content: "";
    padding: 64px 53px;
    height: 327px;
    max-width: 640px;
    bottom: -31px;
    left: calc(-20vw + 20%);
  }
}

.concept__content-title {
  font-size: 2.4rem;
}

.concept__content-text {
  line-height: 2.5;
}

.concept__content-more {
  text-align: right;
}
.concept__content-more a {
  padding-right: 22px;
  position: relative;
}
@media screen and (min-width: 768px) {
  .concept__content-more a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .concept__content-more a:hover {
    opacity: 0.5;
  }
}
.concept__content-more a::before {
  position: absolute;
  content: "";
  background: url(../img/arrow-w-icon.svg) no-repeat center center/contain;
  width: 16px;
  height: 16px;
  top: 50%;
  right: 0;
  -webkit-transform: translateY(-40%);
          transform: translateY(-40%);
}

.concept__figure {
  margin-left: auto;
  height: 300px;
}
.concept__figure img {
  width: 100%;
  height: 100%;
  display: block;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (min-width: 768px) {
  .concept__figure {
    max-width: 1120px;
    height: 480px;
  }
}

/* ======================================================
works
======================================================= */
.works {
  overflow: hidden;
}

.works__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  padding-bottom: 40px;
  position: relative;
}
.works__list::before {
  position: absolute;
  content: "";
  background-color: #eeead0;
  width: calc(50vw + 25%);
  height: calc(50vh + 25%);
  bottom: 0;
  right: 0;
  z-index: -10;
  margin: 0 calc(50% - 50vw);
}

.works__item {
  width: calc(50% - 20px);
}
@media screen and (min-width: 768px) {
  .works__item {
    width: calc(33.333% - 20px);
  }
}
.works__item:nth-child(n+3) {
  margin-top: 60px;
}
@media screen and (min-width: 768px) {
  .works__item:nth-child(n+3) {
    margin-top: 0;
  }
}
@media screen and (min-width: 768px) {
  .works__item:nth-child(n+4) {
    margin-top: 60px;
  }
}

.works__item-body {
  margin-top: 23px;
  padding-left: 10px;
  margin-left: 20px;
  position: relative;
}
.works__item-body::before {
  position: absolute;
  content: "";
  background-color: #333;
  width: 1px;
  height: 144px;
  bottom: 0;
  left: 0;
}

.works__item-title {
  font-size: 2rem;
}
@media screen and (min-width: 768px) {
  .works__item-title {
    font-size: 2.4rem;
  }
}

.works__item-more {
  margin-top: 20px;
}
.works__item-more a {
  position: relative;
  padding-right: 22px;
}
@media screen and (min-width: 768px) {
  .works__item-more a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .works__item-more a:hover {
    opacity: 0.5;
  }
}
.works__item-more a::before {
  position: absolute;
  content: "";
  background: url(../img/arrow-b-icon.svg) no-repeat center center/contain;
  width: 16px;
  height: 16px;
  top: 50%;
  right: 0;
  -webkit-transform: translateY(-44%);
          transform: translateY(-44%);
}

.works__button {
  margin-top: 40px;
}

/* ======================================================
news
======================================================= */
.news__inner {
  padding-inline: 30px;
}

.news__item {
  margin-top: 24px;
  border-bottom: 1px solid #e5e5e5;
  padding-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .news__item {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    border: none;
    padding-bottom: 0;
  }
}

.news__item-title time {
  padding-right: 0px;
}
@media screen and (min-width: 768px) {
  .news__item-title time {
    padding-block: 20px;
    padding-right: 40px;
    display: inline-block;
  }
}
.news__item-title span {
  font-family: "Lora", serif;
  padding-block: 20px;
  padding-inline: 40px;
  display: inline-block;
}
.news__item-title span.news {
  color: #b69b04;
}
@media screen and (min-width: 768px) {
  .news__item-title time,
  .news__item-title span {
    border-right: 1px solid #e5e5e5;
  }
}

.news__item-text {
  margin: 0;
}
@media screen and (min-width: 768px) {
  .news__item-text {
    padding-block: 20px;
    padding-left: 40px;
  }
}

.news__button {
  margin-top: 40px;
}

/* ======================================================
contact
======================================================= */
.contact {
  background-color: #eeead0;
  padding-block: 60px;
}
@media screen and (min-width: 768px) {
  .contact {
    padding-block: 120px;
  }
}

.contact__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (min-width: 768px) {
  .contact__list {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.contact__item {
  padding-left: 40px;
  margin-top: 20px;
  text-align: center;
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}
.contact__item:not(:last-child) {
  border-bottom: 1px solid #333;
  padding-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .contact__item:not(:last-child) {
    border-bottom: none;
  }
}
.contact__item:not(:first-child) {
  padding-top: 20px;
}
@media screen and (min-width: 768px) {
  .contact__item:not(:first-child) {
    padding-top: 50px;
  }
}
@media screen and (min-width: 768px) {
  .contact__item {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    width: 270px;
    padding: 50px 20px 20px 20px;
  }
}
.contact__item::before {
  position: absolute;
  content: "";
  width: 32px;
  height: 32px;
  top: 50%;
  left: 0;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
@media screen and (min-width: 768px) {
  .contact__item::before {
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
.contact__item:nth-child(1)::before {
  background: url(../img/doc-icon.svg) no-repeat center center/contain;
  top: 40%;
}
@media screen and (min-width: 768px) {
  .contact__item:nth-child(1)::before {
    top: 0;
  }
}
.contact__item:nth-child(2)::before {
  background: url(../img/mail-icon.svg) no-repeat center center/contain;
}
@media screen and (min-width: 768px) {
  .contact__item:nth-child(2)::before {
    top: 0;
  }
}
.contact__item:nth-child(3)::before {
  background: url(../img/tel-icon.svg) no-repeat center center/contain;
  top: 60%;
}
@media screen and (min-width: 768px) {
  .contact__item:nth-child(3)::before {
    top: 0;
  }
}
@media screen and (min-width: 768px) {
  .contact__item:not(:first-child) {
    border-left: 1px solid #333;
  }
}

.contact__item-title {
  font-size: 1.6rem;
  display: inline-block;
}
@media screen and (min-width: 768px) {
  .contact__item-title {
    font-size: 2rem;
  }
}

.contact__item-button {
  padding: 10px 30px;
  color: #fff;
  display: inline-block;
  -ms-flex-negative: 0;
      flex-shrink: 0;
  width: 190px;
  margin-left: 10px;
}
@media screen and (min-width: 768px) {
  .contact__item-button {
    margin-top: 30px;
    padding: 16px 40px;
    width: 100%;
    margin-left: 0;
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .contact__item-button:hover {
    opacity: 0.7;
  }
}
.contact__item-button.document {
  background-color: #b69b04;
}
.contact__item-button.mail {
  background-color: #31452d;
}

.contact__item-tel {
  -ms-flex-negative: 0;
      flex-shrink: 0;
  width: 190px;
  margin-left: 10px;
}
@media screen and (min-width: 768px) {
  .contact__item-tel {
    margin-left: 0;
  }
}

.contact__item-tel-number {
  font-size: 2rem;
  font-weight: 600;
}
@media screen and (min-width: 768px) {
  .contact__item-tel-number {
    margin-top: 30px;
    font-size: 2.4rem;
  }
}

.contact__item-tel-time {
  font-size: 1.2rem;
  font-weight: 600;
}

/* ======================================================
footer
======================================================= */
.footer {
  background-color: #31452d;
}

.footer__inner {
  text-align: center;
  padding: 60px 20px;
}
@media screen and (min-width: 768px) {
  .footer__inner {
    padding: 80px 0;
  }
}

.footer__content {
  color: #fff;
  margin-top: 30px;
}

.footer__address {
  margin-top: 16px;
}

.footer__tel {
  margin-top: 16px;
}

.footer__mail {
  margin-top: 16px;
  font-family: "Lora", serif;
}

.footer__nav {
  margin-top: 40px;
  color: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (min-width: 768px) {
  .footer__nav {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.footer__nav-item:not(:last-child) {
  border-bottom: 1px solid #fff;
  padding-bottom: 20px;
}
@media screen and (min-width: 768px) {
  .footer__nav-item:not(:last-child) {
    border: none;
    padding-bottom: 0;
  }
}
.footer__nav-item:not(:first-child) {
  padding-top: 20px;
}
@media screen and (min-width: 768px) {
  .footer__nav-item:not(:first-child) {
    padding-top: 0;
  }
}
@media screen and (min-width: 768px) {
  .footer__nav-item {
    position: relative;
    border: none;
  }
  .footer__nav-item:not(:first-child) {
    padding-left: 20px;
  }
  .footer__nav-item:not(:first-child)::before {
    position: absolute;
    content: "";
    background-color: #fff;
    width: 1px;
    height: 16px;
    top: 50%;
    left: 0;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
  }
  .footer__nav-item:not(:last-child) {
    padding-right: 20px;
  }
  .footer__nav-item a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .footer__nav-item a:hover {
    opacity: 0.7;
  }
}

.footer__floor {
  background-color: #333;
  border-top: 1px solid #fff;
  padding-block: 20px;
}

.footer__floor-inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
@media screen and (min-width: 768px) {
  .footer__floor-inner {
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
  }
}

.footer__floor-nav {
  color: #fff;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.footer__floor-item {
  position: relative;
}
.footer__floor-item:not(:last-child) {
  padding-right: 20px;
}
.footer__floor-item:not(:last-child)::before {
  position: absolute;
  content: "";
  background-color: #fff;
  width: 1px;
  height: 16px;
  top: 50%;
  right: 0;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.footer__floor-item:not(:first-child) {
  padding-left: 20px;
}
@media screen and (min-width: 768px) {
  .footer__floor-item a {
    -webkit-transition: opacity 0.5s;
    transition: opacity 0.5s;
  }
  .footer__floor-item a:hover {
    opacity: 0.7;
  }
}

.footer__floor-copyright {
  color: #fff;
  font-size: 1.2rem;
  text-align: center;
  margin-top: 20px;
}
@media screen and (min-width: 768px) {
  .footer__floor-copyright {
    margin-top: 0;
  }
}