:root {
  --font-family-body-jp: "source-han-serif-japanese","ヒラギノ角ゴ Pro W3","Hiragino Kaku Gothic Pro","メイリオ",Meiryo,"ＭＳ Ｐゴシック",serif;
  --color-orange: #F09E38;
  --color-black: #484747;
  --color-black-transparent: rgba(0, 0, 0, 0.57);
  --color-white: #fff;
  --color-grey: #f3f3f3;
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

*, *:before, *:after {
  box-sizing: inherit;
}

body {
  margin: 0;
  font-family: var(--font-family-body-jp);
  color: var(--color-black);
}

.section {
  min-height: 95vh;
  max-width: 1366px;
  margin: 0 auto;
}

.section--top {
  position: relative;
}

.section--flex {
  display: flex;
  align-items: flex-start;
}

.section--bottom {
  max-width: inherit;
  position: relative;
  overflow: hidden;
  min-height: 100vh;
}

.section-office {
  padding: 60px 0 0;
}

.section__article {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section__article--decoration {
  position: relative;
}

.siteLogo {
  display: block;
  position: absolute;
  top: 50px;
}

.siteLogo--bottom {
  top: 20px;
}

.siteLogo__img {
  display: block;
  width: 180px;
}

.menu {
  position: absolute;
  right: 0;
  top: 50px;
  
}

.menu__body {
  opacity: 0;
  height: 0;
  overflow: hidden;
  border-radius: 6px;
  -webkit-box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
  -moz-box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
  box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
  text-align: center;
  transition: all 0.5s ease;
}

.menu__body--active {
  display: block;
  opacity: 1;
  height: initial;
}

.menu__body-item {
  display: block;
  text-decoration: none;
  margin: 0;
  padding: 24px 0 0;
  font-weight: bold;
  font-size: 16px;
  color: var(--color-black);
  transition: color 0.3s;
}

.menu__body-item:last-child {
  padding: 24px 0;
}

.menu__body-item:hover {
  color: var(--color-orange);
}

.menu__button {
  width: 180px;
  height: 60px;
  background: var(--color-orange);
  border-radius: 6px;
  padding: 18px 34px 18px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  text-decoration: none;
  -webkit-box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
  -moz-box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
  box-shadow: 0px 3px 5px 0px rgba(0,0,0,0.16);
}

.menu__button-text {
  color: var(--color-white);
  font-size: 18px;
  margin: 0;
}

.page-title {
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 0 100px;
}

.page-title__text {
  font-size: 64px;
  font-weight: bold;
  line-height: 1.3;
  margin: 0;
  text-align: center;
}

.page-title__text--large {
  display: block;
  padding: 26px 0;
}

.page-title__text--small {
  font-size: 26px;
  font-weight: normal;
}

.page-title__text--orange {
  color: var(--color-orange);
}

.page-subtitle {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 110px 0 0;
}

.page-subtitle__text {
  font-size: 22px;
  margin: 0;
}

.page-title__text--column {
  display: flex;
  flex-direction: column;
}

.page-subtitle__decoration {
  height: 2px;
  width: 360px;
  background-color: var(--color-black);
}

.page-subtitle__arrow {
  margin: 20px 0 0;
}

.page-subtitle__arrow-icon {
  width: 20px;
}

.article {
  width: 100%;
  margin-bottom:50px;
}

.article--small-width {
  max-width: 680px;
}

.article--align-center {
  text-align: center;
}

.article--bottom {
  position: absolute;
  bottom: 150px;
  z-index: 300;
}

.article__title {
  font-size: 46px;
  padding: 0 0 16px;
  color: var(--color-orange);
  margin: 0;
}

.article__title--white {
  color: var(--color-white);
}

.article__title--footer {
  font-size: 52px;
  text-shadow: 0px 3px 6px rgba(0,0,0,0.2);
}

.article__title--en {
  font-size: 38px;
}

.article__subtitle {
  font-size: 22px;
  font-weight: bold;
  letter-spacing: 5px;
  padding: 0 0 10px;
  margin: 0;
}

.article__paragraph {
  font-size: 18px;
  font-weight: bold;
  color: var(--color-black);
  line-height: 2.3;
  letter-spacing: 1.5px;
  margin: 0;
}

.article__paragraph--top {
  padding: 30px 0 0;
}

.article__paragraph--sp {
  display: none;
}

.article__paragraph--bottom {
  color: var(--color-white);
  text-shadow: 0px 3px 6px rgba(0,0,0,0.2);
}

.article__paragraph--small {
  font-size: 24px;
  padding: 16px 0 0;  
}

.article__paragraph--small-width {
  max-width: 700px;
  margin: 0 auto;
}

.article__paragraph--small-width-en {
  max-width: 1050px;
}

.article__paragraph--text-left {
  text-align: left;
}

.article__image-narrow {
  width: 600px;
}

.article__image--wide {
  width: 1090px;
  margin: 0 auto;
}

.article__image--mt30 {
  margin: 30px 0 0;
}

.article__image--sp {
  display: none;
}

.article__button {
  display: block;
  border-radius: 10px;
  width: 300px;
  padding: 27px;
  margin: 60px auto 0;
  background-color: var(--color-white);
  color: var(--color-black);
  font-size: 24px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s;
}

.article__button:hover {
  color: var(--color-white);
  background-color: var(--color-orange);
}

.article__button--shadow {
  box-shadow: 0px 3px 6px rgba(0,0,0,0.2);
}

.article-decoration {
 position: absolute;
  width: 105%;
  z-index: -10;
/*  bottom: -100px;
  left: -30px;*/
}

.hover-images {
  display: flex;
  margin:60px 0px 0px;
}

.hover-images__image {
  width: 430px;
  height: 400px;
  background-image: url("../img/pc/service_01.jpg");
  background-size: cover;
  background-position: center center;
}

.hover-images__image--01 {
  background-image: url("../img/pc/service_01_title.jpg");
  transition: background-image 0.5s;
  margin-left:auto;
  margin-right:50px;
}

.hover-images__image--01:hover {
  background-image: url("../img/pc/service_01.jpg");
}

.hover-images__image--01-cn {
  background-image: url("../img/pc/service_01_title_cn.jpg");
  transition: background-image 0.5s;  
  margin-left:auto;
  margin-right:50px;
}

.hover-images__image--01-en {
  background-image: url("../img/pc/service_01_title_en.jpg");
  transition: background-image 0.5s;  
  margin-left:auto;
  margin-right:50px;
}

.hover-images__image--02 {
  background-image: url("../img/pc/service_02_title.jpg");
  transition: background-image 0.5s;
    margin-left:50px;
  margin-right:auto;
}

.hover-images__image--02:hover {
  background-image: url("../img/pc/service_02.jpg");
}

.hover-images__image--02-cn {
  background-image: url("../img/pc/service_02_title_cn.jpg");
  margin-left:50px;
  margin-right:auto;
}

.hover-images__image--02-en {
  background-image: url("../img/pc/service_02_title_en.jpg");
  transition: background-image 0.5s; 
  margin-left:50px;
  margin-right:auto;
}

.hover-images__image--03 {
  background-image: url("../img/pc/service_03_title.jpg");
  transition: background-image 0.5s;
  margin-left:auto;
  margin-right:50px;
}

.hover-images__image--03:hover {
  background-image: url("../img/pc/service_03.jpg");
}

.hover-images__image--03-cn {
  background-image: url("../img/pc/service_03_title_cn.jpg");
  transition: background-image 0.5s;
  margin-left:auto;
  margin-right:50px;
}

.hover-images__image--03-en {
  background-image: url("../img/pc/service_03_title_en.jpg");
  transition: background-image 0.5s;
  margin-left:auto;
  margin-right:50px;  
}

.hover-images__image--04{
  background-image: url("../img/pc/service_04_jp.jpg");
  transition: background-image 0.5s; 
  margin-left:50px;
  margin-right:auto;
}
.hover-images__image--04:hover {
  background-image: url("../img/pc/service_04.jpg");
}

.hover-images__image--04-cn {
  background-image: url("../img/pc/service_04_ch.jpg");
  transition: background-image 0.5s; 
  margin-left:50px;
  margin-right:auto;
}

.hover-images__image--04-en {
  background-image: url("../img/pc/service_04_en.jpg");
  transition: background-image 0.5s;
  margin-left:50px;
  margin-right:auto;  
}

.hover-images__text {
  opacity: 0;
  transition: opacity 0.3s;
  padding: 26px;
  height: 100%;
  width: 100%;
  background: var(--color-black-transparent);
  color: var(--color-white);
  font-size: 14px;
  line-height: 1.9;
  text-align: left;
}

.hover-images__text-title {
  font-size: 20px;
  font-weight: bold;
  text-align: center;
  margin: 20px 0 10px;
}

.hover-images__text-body {
  margin: 0;
}

.hover-images__text:hover {
  opacity: 1;
}

.hover-images-sp {
  display: none;
}

.bottom-nav {
  width: 100%;
  max-width: 1366px;
  margin: 0 auto;
  position: relative;
}

/* ====================
  For Scroll Animaion
==================== */
.scrollAnimation {
  position: fixed;
  bottom: -60px;
  width: 100%;
  text-align: center;
  z-index: 100;
}

.scrollAnimation__svg {
  display: block;
  width: 100%;
  bottom: 0;
  height: auto;
}

.svg-background {
  position: absolute;
  bottom: -100px;
  z-index: 200;
  width: 100%;
}

.svg-background__svg {
  display: block;
  width: 100%;
  height: auto;  
}

/* ====================
  Arrow Bounce Animation
==================== */
.slideDown {
	-moz-animation: slideDown 1s ease-in-out infinite;
	-webkit-animation: slideDown 1s ease-in-out infinite;
	animation: slideDown 1s ease-in-out infinite;
}

@keyframes slideDown {
  0%,
  100% {
    transform: translate(0, 0);
  }
  50% {
    transform: translate(0, 10px);
  }
}

/* ====================
  Page Loader
==================== */
.page-loader-container {
  position: absolute;
  height: 100vh;
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-loader {
  z-index: 900;
  width: 150px;
  height: 150px;
  border: 16px solid var(--color-grey);
  border-radius: 50%;
  border-top: 16px solid var(--color-orange);
  width: 120px;
  height: 120px;
  -webkit-animation: spin 2s linear infinite;
  animation: spin 2s linear infinite;
}

@-webkit-keyframes spin {
  0% { -webkit-transform: rotate(0deg); }
  100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Add animation to "page content" */
.page-content--animate {
  position: relative;
  -webkit-animation-name: animatebottom;
  -webkit-animation-duration: 1s;
  animation-name: animatebottom;
  animation-duration: 1s
}

@-webkit-keyframes animatebottom {
  from { bottom:-100px; opacity:0 } 
  to { bottom:0px; opacity:1 }
}

@keyframes animatebottom { 
  from{ bottom:-100px; opacity:0 } 
  to{ bottom:0; opacity:1 }
}

.page-content {
  display: none;
} 

/* ====================
  For Responsive Design
==================== */
@media only screen and (max-width: 1600px) {
  .article__title--footer {
    font-size: 40px;
  }
  .svg-background {
    bottom: -60px;
  }
}

@media only screen and (max-width: 1440px) {
  .section {
    max-width: 1120px;
  }
  .section--bottom {
    max-width:initial;
  }
  .siteLogo__img {
    width: 140px;
    height: auto;
  }
  .menu__button {
    width: 140px;
    height: 50px;
    border-radius: 6px;
    padding: 16px 0;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
  }
  .menu__icon {
    width: 17px;
  }
  .menu__button-text {
    color: var(--color-white);
    font-size: 14px;
    margin: 0;
    padding: 0 0 0 7px;
  }
  .menu__body-item {
    font-size: 14px;
  }
  .page-title {
    padding: 0 0 40px;
  }
  .page-title__text {
    font-size: 56px;
  }
  .page-title__text--small {
    font-size: 20px;
  }
  .page-title__text--large {
    padding: 20px 0;
  }
  .page-subtitle {
    margin: 70px 0 0;
  }
  .page-subtitle__text {
    font-size: 20px;
  }
  .article--small-width {
    max-width: 530px;
  }
  .article--bottom {
    position: absolute;
    bottom: 100px;
    z-index: 300;
  }
  .article__title {
    font-size: 32px;
  }
  .article__title--footer {
    font-size: 46px;
  }
  .article__subtitle {
    font-size: 16px;
    letter-spacing: 3px;
  }
  .article__image-narrow {
    width: 500px;
  }
  .article__image--wide {
    width: initial;
    height: 400px;    
  }
  .article__paragraph {
    font-size: 16px;
    line-height: 2.3;
  }
  .article__paragraph--small-width {
    max-width: 600px;
  }
  .article__paragraph--top {
    max-width: initial;
  }
  .article__paragraph--bottom {
    font-size: 20px;
  }
  .article-decoration {
    position: absolute;
    width: 105%;
    z-index: -10;
    /*bottom: -60px;
    left: -30px;*/
  }
  .hover-images {
    margin: 40px 0 0;
  }
  .hover-images__image {
    width: 360px;
    height: 360px; 
  }
  .hover-images__text {
    font-size: 14px;
    padding: 16px 16px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .hover-images__text-title {
    margin: 0;
    padding: 0 0 10px; 
  }
  .bottom-nav {
    max-width: 1200px;
  }
  .article__button {
    width: 200px;
    padding: 14px;
    font-size: 16px;
  }
}

@media only screen and (max-width: 1280px) {
  .section {
    max-width: 1000px;
  }
  .section--pt {
    padding: 40px 0 0;
  }
  .section--bottom {
    max-width: initial;
  }
  .page-title__text--large {
    font-size: 36px;
  }
  .page-title__text--small {
    font-size: 18px;
  }
  .page-title__text {
    font-size: 46px;
  }
  .page-subtitle {
    margin: 30px 0 0;
  }
  .page-subtitle__text {
    font-size: 16px;
  }
  .page-subtitle__decoration {
    width: 240px;
  }
  .page-subtitle__arrow {
    margin: 10px 0 0;
  }
  .page-subtitle__arrow-icon {
    width: 18px;
  }
  .siteLogo {
    display: block;
    position: absolute;
    top: 24px;
    left: 20px;
  }
  .menu {
    position: absolute;
    right: 20px;
    top: 24px;  
  }
  .article--width-680 {
    max-width: 500px;
  }
  .article__paragraph {
    font-size: 14px;
    line-height: 2.0;
  }
  .article__paragraph--top {
    padding: 14px 0 0;
    max-width: 480px;
  }
  .article__image-narrow {
    width: 400px;
  }
  .article__image--wide {
    height: 300px;
  }
  .article__button {
    margin: 40px auto 0;
  }
  .hover-images {
    margin: 30px 0 0;
  }
  .hover-images__image {
    width: 320px;
    height: 320px;
  }
  .hover-images__text-title {
    font-size: 16px;
    font-weight: bold;
    text-align: center;
    margin: 0; 
  }
  .hover-images__text-body {
    font-size: 13px;
    line-height: 1.6;
  }
  .hover-images__text-return {
    display: inline-block;
  }
  .bottom-nav {
    max-width: 1100px;
  }
  .scrollAnimation {
    bottom: -40px;
  }
}

@media only screen and (max-width: 1024px) {
  .section {
    max-width: 976px;
    min-height: initial;
    padding: 0 0 100px;
  }
  .section--top {
    padding: 0;
  }
  .section--bottom {
    max-width: initial;
    min-height: 100vh;
  }
  .page-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0;    
  }
  .section--flex {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }
  .section__article {
    flex-direction: column;
    padding: 0 16px;
  }
  .article-decoration {
    display: none;
  }
  .article--small-width {
    max-width: initial;
  }
  .article--bottom {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    top: 120px;
    padding: 0 16px;
  }
  .article__paragraph--top {
    max-width: initial;
  }
  .article__paragraph--pc {
    display: none;
  }
  .article__paragraph--sp {
    display: block;
    max-width: 800px;
  }
  .article__paragraph--bottom {
    color: var(--color-black);
    text-align: left;
  }
  .article__image-narrow {
    width: 100%;
    padding: 40px 0 0;
  }
  .article__image--pc {
    display: none;
  }
  .article__image--sp {
    display: block;
    width: 100%;
    height: auto;
    padding: 40px 0 0;
  }
  .hover-images {
    display: none;
  }
  .hover-images-sp {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hover-images-sp__image--title {
    margin: 0;
    font-size: 16px;
    font-weight: bold;
    padding: 14px 0 0;
  }
  .hover-images-sp__figure {
    margin: 40px 0 0;
  }
  .hover-images-sp__image {
    width: 100%;
  }
  .hover-images-sp__image-figcaption {
    padding: 12px 0 0;
    font-size: 14px;
    text-align: left;
    line-height: 2.0;
    font-weight: normal;
  }
  .bottom-nav--sp {
    display: none;
  }
  .article__title--white {
    color: var(--color-black);
    text-align: left;
  }
  .article__button {
    margin: 30px 0 0;
    color: var(--color-white);
    background-color: var(--color-orange);
  }
  .scrollAnimation {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    z-index: 100;
  }
  .svg-background {
    position: absolute;
    bottom: 0;
    z-index: 200;
    width: 100%;
  }
}

@media only screen and (max-width: 840px) {
  .scrollAnimation {
    display: none;
  }
  .section--bottom {
    max-width: initial;
    min-height: 100vh;
    padding: 0;
  }
  .page-title__text {
    font-size: 32px;
  }
  .page-subtitle__text {
    font-size: 16px;
  }
  .page-subtitle__decoration {
    width: 210px;
  }
}

@media only screen and (max-width: 480px) {
  .siteLogo__img {
    width: 130px;
  }
  .menu__body-item {
    font-size: 12px;
    padding: 16px 0 0;
  }
  .menu__body-item:last-child {
    padding: 16px 0;
  }
  .menu__button {
    width: 110px;
    border-radius: 4px;
    padding: 14px 16px;
    text-decoration: none;
    height: auto;
  }
  .menu__button-text {
    font-size: 12px;
  }
  .menu__icon {
    height: 16px;
    width: 16px;
  }
  .page-title__text {
    font-size: 26px;
    padding: 40px 0 0;
  }
  .page-title__text--large {
    font-size: 24px;
  }
  .page-title__text--small {
    font-size: 16px;
  }
  .page-subtitle__text {
    font-size: 14px;
  }
  .page-subtitle__decoration {
    width: 150px;
  }
  .page-subtitle__arrow {
    margin: 10px 0 0;
  }
  .page-subtitle__arrow-icon {
    width: 16px;
  }
  .article__title {
    font-size: 24px;
  }
  .article__title--small-black {
    font-size: 18px;
  }
  .article__subtitle {
    font-size: 14px;
    letter-spacing: 2px;
  }
  .article__paragraph--small-width {
    width: 100%;
  }
  .article__button {
    width: 160px;
    padding: 10px;
    font-size: 14px;
    border-radius: 4px;
  }
  .hover-images {
    padding: 0 20px;
  }
  .hover-images__image {
    border-radius: 4px;
    margin: 0 0 20px;
  }
  .hover-images-sp__image-figcaption {
    padding: 12px 0 0;
    font-size: 14px;
    line-height: 2.0;
  }
  .article__paragraph--bottom-small {
    font-size: 13px;
  }
}

@media only screen and (max-width: 360px) {
  .page-title__text {
    padding: 100px 0 0;
  }
  .article--bottom {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    top: 60px;
    padding: 0 20px;    
  }  
}