body {
  font-family: "Source Sans Pro", "Hiragino Kaku Gothic ProN", Meiryo, Arial, sans-serif;
}
p {
  font-size: 15px;
}

.arrow-right {  
  color: #2710d5; 
} 
#submit { 
  margin-top: 50px; 
}

@media screen and (min-width: 768px) {

body {
  max-width: 1080px;
  min-width: 900px;
  margin: 0 auto 0 auto;
}

header {
  display: flex;
  justify-content: space-between;
}

#nav-pc {
  font-size: 14px;
  padding-top: 15px;
}

#nav-pc > a {
  text-decoration: none;
  margin-left: 20px;
}
#nav-pc > a:link {
  color: #0d0d0d;
}
#nav-pc > a:visited {
  color: #0d0d0d;
}
#nav-pc > a:hover {
  color: #0d0d0d;
  text-decoration: underline;
}
#nav-pc > a:active {
color: #0d0d0d;
}
#nav-sp,
#menu-sp {
  display: none;
}

#main-visual {
  position: relative;
  height: 400px;
}
#main-message {
  position: absolute;
  top: 0;
  left: 0;
  background-color: #2710d5;
  color: #ffffff;
  border-radius: 0 0 476px 0;
  max-width: 620px;
  height: 100%;
  width: 100%;
  z-index: 11;
}
#main-message > h1 {
  font-size: 60px;
  font-weight: bold;
  margin: 100px 0 0 50px;
}
#main-message > p { 
  font-size: 28px;
  margin: 0 0 0 50px;
}
#main-visual > img {
  max-width: 620px;
  border-radius: 476px 0 0 0;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 10;
}

h2 {
  margin: 40px 0 0 0;
}

h2::after {
  content: url("images/line.png");
  margin-left: 10px;
}

h3 {
  font-size: 27px;
}

#mission {
  margin: 80px auto 80px auto;
  width: 100%;
}

#mission-flex {
  width: 100%;
  display: flex;
}

#mission-flex > div {
  width: 50%;
  margin: 20px;
}

#mission-photo {
  width: 100%;
}

#s2dgs {
  margin-top: 50px;
  width: 100%;
}

#product {
  background-color: #fafafa;
  margin: 80px 0 80px 0;
  padding: 10px 40px 0px 40px;
}

#product > div {
  margin-top: 40px;
  display: flex;
}

#product-left {
  width: 50%;
  margin-right: 20px;
}
#product-right {
  width: 50%;
  margin-left: 20px;
  margin-top: 80px;
}
#product-left > div {
  position: relative;
  height: 480px;
  margin-right: 20px;
}
#product-right > div {
  position: relative;
  height: 480px;
  margin-left: 20px;
}
.product-photo {
  width: 100%;
}
.product-explain {
  background-color: #ffffff;
  position: absolute;
  left: 0;
  top: 280px;
  margin: 0 40px 0 40px;
  padding: 20px;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.05);
}
.product-explain > span {
  color: #2710d5;
  font-weight: bold;
  font-size: 16px;
  margin: 0px;
}
.product-explain > h3 {
  font-size: 20px;
  margin: 5px 0 5px 0;
}
.product-explain > p {
  font-size: 14px;
  margin:0;
}
#product-more {
  margin: 0 auto -42px auto;
}
#aboutus {
  margin: 80px auto 80px auto;
}
#aboutus > div {
  display: flex;
}
.culture-img {
  width: 100%;
  align-self: flex-start;
}
.culture-img2 {
  margin-top: 50px;
  width: 100%;
}
.culture-table {
  margin-right: 50px;
}
.culture-num {
  font-size: 80px;
  color: #2710d5;
  margin: 0 20px 0 0;
}
.culture-en {
  color: #2710d5;
  font-weight: bold;
  font-size: 24px;
  display: block;
}
.culture-jp {
  font-size: 28px;
  font-weight: bold;
}
.culture-description {
  margin: 0;
}
#vision {
  margin: 80px auto 80px auto;
}
#vision > div {
  width: 100%;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.vision-box {
  width: 300px;
  height: 300px;
  margin-bottom: 30px;
  position: relative;
}
.vision-box > img {
  width: 100%;
  height: auto;
  position: absolute;
  top: 0;
  left: 0;
  z-index:30;
}
.vision-box > span {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 31;
  margin-right: 20px;
}
.vision-box > span > h4 {
  color: #2710d5;
  font-size: 19px;
  margin: 80px 0 0 0;
}
.vision-box > span > h4::first-letter {
  font-size: 40px;
}
.vision-box > span > h5 {
  font-size: 20px;
  margin: 0 0 0 0;
}
.vision-box > span > p {
  margin: 10px 0 0 0;
}
#company {
  margin: 80px auto 80px auto;
}
#company-table {
  width: 100%;
}
.tableheader {
  text-align: left;
  padding: 20px;
  border-bottom-color: #2710d5;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  width: 100px;
}
.tableheader-first {
  text-align: left;
  padding: 20px;
  border-bottom-color: #2710d5;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-top-color: #2710d5;
  border-top-width: 1px;
  border-top-style: solid;
  width: 100px;
}
.cell {
  padding: 30px;
  border-bottom-color: #ececec;
  border-bottom-width: 1px;
  border-bottom-style: solid;
}
.cell-first {
  padding: 30px;
  border-bottom-color: #ececec;
  border-bottom-width: 1px;
  border-bottom-style: solid;
  border-top-color: #ececec;
  border-top-width: 1px;
  border-top-style:  solid;
}
#company > iframe {
  width: 100%;
  height: 368px;
  margin-top: 40px;
}
#contact {
  margin:80px auto 80px auto;
}
#contact > form > div {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  padding-bottom:  30px;
}
.contact-heading {
  width: 240px;
  align-self: center;
}
.contact-label {
  font-weight: bold;
}
.contact-span {
  color: #ce2222;
  margin: 0 0 0 20px;
  font-weight: bold;
}
.contact-textbox {
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-bottom-width: 1px;
  border-bottom-color: #707070;
  border-bottom-style: solid;
  background-color: #fafafa;
  width: 400px;
  height: 56px;
}
.contact-textarea {
  border-top: 0;
  border-left: 0;
  border-right: 0;
  border-bottom-width: 1px;
  border-bottom-color: #707070;
  border-bottom-style: solid;
  background-color: #fafafa;
  width: 400px;
  height: 200px;
}
details {
  width: 700px;
}
details > div {
  background-color: #fafafa;
  padding: 20px;
}
details > div > span {
  font-weight: bold;
}
footer {
  background-color: #0d0d0d;
  text-align: center;
  padding: 80px 80px 30px 80px;
}
#footer-logo {
  margin-bottom: 30px;
}
#footer-link {
  margin-bottom: 50px;
}
#footer-link > a {
  text-decoration: none;
  margin: 10px;
}
#footer-link > a:link {
  color: #ffffff;
}
#footer-link > a:visited {
  color: #ffffff;
}
#footer-link > a:hover {
  color: #ffffff;
}
#footer-link > a:active {
  color: #ffffff;
}
#sns-footer {
  text-align: left;
  width: 100%;
}
#sns-footer > a {
  margin-right: 30px;
}
#copyright {
  color: #ffffff;
  float: right;
}
#mission-main {
  height: 496px;
  width: 100%;
  background-image: url("images/mission/mission-main.png");
  background-repeat: no-repeat;
  background-position-y: center;
}
#mission-title {
  background-color: #2710d5;
  width: 368px;
  color: #ffffff;
  height: 496px;
  border-radius: 0 248px 248px 0;
  position: relative;
}
#mission-title > h1 {
  position: absolute;
  top: 0;
  left: 100px;
  font-size: 80px;
}
#mission-title > span {
  position: absolute;
  top: 200px;
  left: 100px;
  font-size: 26px;
}
#mission-title > div {
  position: absolute;
  top: 350px;
  left: 100px;
  font-size: 16px;
}
#mission-s2dgs {
  width: 100%;
  margin: 20px;
}
.mission-h2 {
  color: #2710d5;
  font-size: 40px;
}
.mission-h2::after {
  content: none;
}
#mission-5goals {
  margin: 20px;
  display: flex;
}
#mission-5goals > div {
  flex-grow: 1;
  padding: 20px;
}
#mission-5goals > div > div {
  margin-bottom: 40px;
}
.fivegoals-image-right {
  float: right;
  margin: 20px;
}
.fivegoals-image-left {
  float: left;
  margin: 20px;
}
.fivegoals-number {
  color: #2710d5;
  font-size: 48px;
  margin: 0;
}
.fivegoals-h3 {
  font-size: 28px;
  margin: 0;
}
.fivegoals-p {
  margin: 0;
}
#product-main {
  height: 496px;
  width: 100%;
  background-image: url(images/product/product-main.png);
  background-repeat: no-repeat;
  background-position-y: center;
}
#product-title {
  background-color: #2710d5;
  width: 368px;
  color: #ffffff;
  height: 496px;
  border-radius: 0 248px 248px 0;
  position: relative;
}
#product-title > h1 {
  position: absolute;
  top: 0px;
  left: 100px;
  font-size: 80px
}
#product-title > span {
  position: absolute;
  top: 200px;
  left: 100px;
  font-size: 26px;
}
#product-title > div {
  position: absolute;
  top: 350px;
  left: 100px;
  font-size: 16px;
}
.product-section1 {
  position: relative;
  margin: 20px;
  height: 340px;
}
.product-section1 > img {
  position: absolute;
  top: 0;
  left: 0;
  width: 450px;
  margin: 0 40px 30px 0;
  border-radius: 0 432px 0 0;
}
.product-section1 > div {
  position: absolute;
  top: 0;
  left: 480px;
}
.product-section2 {
  position: relative;
  margin: 20px;
  height: 340px;
}
.product-section2 > img {
  position: absolute;
  top: 0;
  right: 0;
  width: 450px;
  margin: 0 0 30px 40px;
  border-radius: 432px 0 0 0;
}
.product-section2 > div {
  width: 500px;
  position: absolute;
  top: 0;
  left: 0;
}
.product-h2 {
  color: #2710d5;
  font-size: 24px;
  margin: 0;
}
.product-h3 {
  font-size: 28px;
  margin: 0;
}
}

@media screen and (max-width: 767px) {
  body {
    min-width: 375px;
    margin: 0;
  }
  #nav-pc {
    display: none;
  }

  #menu-sp {
    float: right;
    padding: 0;
  }
  #nav-sp {
    background-color: #2710d5;
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    display: none;
    z-index: 100;
  }
  #close {
    position: absolute;
    top: 20px;
    right: 20px;
  }
  #logo-sp {
    margin: 80px 0 30px 20px;
  }
  #nav-sp > a {
    display: block;
  }
  #nav-sp > a:link {
    color: #ffffff;
  }
  #nav-sp > a:visited {
    color: #ffffff;
  }
  #nav-sp > a:hover {
    color: #ffffff;
    text-decoration: underline;
  }
  #nav-sp > a:active {
    color: #ffffff;
  }
  #nav-sp > .menu {
    text-decoration: none;
    display: block;
    margin: 0 20px 0 20px;
    height: 44px;
    font-size: 16px;
    background-image: url("images/arrow.png");
    background-repeat: no-repeat;
    background-position: right top;
  }
  #sns {
    position: absolute;
    bottom: 20px;
    left: 20px;
  }
  #sns > a {
    margin-right: 30px;
  }
  #main-visual {
    position: relative;
    height: 470px;
    width: 100%;
    overflow: hidden;
  }
  #main-visual > div {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #2710d5;
    color: white;
    border-radius: 0 0 476px 0;
    text-align: center;
    height: 280px;
    width: 100%;
    z-index: 11;
  }
  #main-visual > div > h1 {
    font-size: 28px;
    margin: 90px 0 0 0;
  }
  #main-visual > div >p {
    margin: 0;
  }
  #main-visual > img {
    width: 100%;
    border-radius: 476px 0 0 0;
    z-index: 10;
    position: absolute;
    bottom: 0;
    right: 0;
  }
  h2::after {
    content: url(images/line.png);
    margin-left: 10px;
  }
  #mission {
    margin:  20px;
  }
  #mission-photo {
    width: 100%;
  }
  #s2dgs {
    width: 100%;
  }
  #product {
    background-color: #fafafa;
    padding-top: 10px;
  }
  #product h2 {
    margin-left: 20px;
  }
  #product-left,
  #product-right {
    margin-right: 20px;
    margin-left: 20px;
  }
  #product-left > div,
  #product-right >div {
    position: relative;
    height: 540px;
  }
  .product-explain {
    background-color: #ffffff;
    position: absolute;
    left: 0;
    bottom: 50px;
    padding: 20px;
    box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.05)
  }
  .product-explain > span {
    color: #2710d5;
    font-weight: bold;
    font-size: 16px;
    margin: 0px;
  }
  .product-explain > h3 {
    margin: 10px 0 10px 0;
  }
  .product-photo {
    width: 100%;
  }
  #product-more > img {
    margin: 0 0 -42px 20px;
  }
  #aboutus {
    margin: 80px 20px 80px 20px;
  }
  #aboutus > div {
    display: flex;
    flex-direction: column;
  }
  .culture-table {
    width: 100%;
    padding-right: 20px;
    order: 2;
  }
  .culture-img {
    width: 100%;
    order: 1;
  }
  .culture-img2 {
    width: 100%;
  }
  .culture-num {
    font-size: 80px;
    color: #2710d5;
  }
  .culure-en {
    color: #2710d5;
    font-weight: bold;
    font-size: 24px;
    display: block;
  }
  .culture-jp {
    display: block;
  }
  .culture-description {
    margin: 0px;
  }
  #vision {
    margin: 80px 20px 80px 20px;
  }
  .vision-box {
    width: 300px;
    height: 300px;
    margin-bottom: 30px;
    position: relative;
  }
  .vision-box > img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 30;
  }
  .vision-box > span {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 31;
    margin-right: 20px;
  }
  .vision-box > span > h4 {
    color: #2710d5;
    font-size: 19px;
    margin: 60px 0 0 0;
  }
  .vision-box > span > h5 {
    font-size:  20px;
    margin: 0 0 0 0;
  }
  .vision-box > span > p {
    margin: 10px 0 0 0;
  }
  #company {
    margin: 0 20px 0 20px;
  }
  #company > h3 {
    margin-bottom: 20px;
  }
  #company > table {
    width: 100%;
  }
  .tableheader-first {
    text-align: left;
    padding: 20px;
    border-bottom-color: #2710d5;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    width: 50px;
  }
  .tableheader {
    text-align: left;
    padding: 20px;
    border-bottom-color: #2710d5;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    width: 50px;
  }
  .cell {
    padding: 20px;
    border-bottom-color: #ececec;
    border-bottom-width: 1px;
    border-bottom-style: solid;
  }
  .cell-first {
    padding: 20px;
    border-bottom-color: #ececec;
    border-bottom-width: 1px;
    border-bottom-style: solid;
    border-top-color: #ececec;
    border-top-width: 1px;
    border-top-style: solid;
  }
  #company > iframe {
    width: 100%;
    height: 240px;
    margin: 40px 0 0 0;
  }
  #contact {
    margin: 80px 20px 80px 20px;
  }
  #contact > h3 {
    margin-bottom: 20px;
  }
  #contact > form > div {
    margin-bottom: 20px;
  }
  .contact-heading {
    margin-bottom: 20px;
  }
  .contact-label {
    font-weight: bold;
  }
  .contact-span {
    color: #ce2222;
    margin: 0 0 0 20px;
    font-weight: bold;
  }
  .contact-textbox {
    height: 56px;
    border-top: 0;
    border-left: 0;
    border-right: 0;
    background-color: #fafafa;
    border-bottom-color: #707070;
    border-bottom-width: 1px;
    border-style: solid;
    min-width: 300px;
    width: 100%;
  }
  .contact-textarea {
    height: 150px;
    border-top: 0;
    border-left: 0;
    border-right: 0;
    background-color: #fafafa;
    width: 100%;
  }
  .radiobutton  {
    margin: 20px;
  }
  .radiobutton + label::after {
    content: "\A";
    white-space: pre;
  }
  footer {
    background-color: #0d0d0d;
    padding: 30px 20px 50px 20px;
  }
  #footer-logo {
    margin-bottom: 30px;
  }
  #footer-link {
    margin-bottom: 50px;
  }
  #footer-link > a {
    text-decoration: none;
    margin: 0 20px 30px 0;
    display: block;
    background-image: url(images/arrow.png);
    background-repeat: no-repeat;
    background-position: right top;
  }
  #footer-link a:link {
    color: #ffffff;
  }
  #footer-link > a:visited {
    color: #ffffff;
  }
  #footer-link > a:hover {
    color: #ffffff;
    text-decoration: underline;
  }
  #footer-link > a:active {
    color: #ffffff;
  }
  #sns-footer > a {
    margin-right: 30px;
  }
  #copyright {
    font-size: 12px;
    display: block;
    margin-top: 30px;
    color: #ffffff;
  }
  #mission-main {
    height: 256px;
    width: 100%;
    background-image: url(images/mission/mission-main.png);
    background-repeat: no-repeat;
    background-position-y: center;
    background-size: auto 208px;
  }
  #mission-title {
    background-color: #2710d5;
    width: 136px;
    color: #ffffff;
    height: 256px;
    border-radius: 0 248px 248px 0;
    position: relative;
  }
  #mission-title > h1 {
    position: absolute;
    top: 0;
    left: 20px;
    font-size: 40px;
  }
  #mission-title > span {
    position: absolute;
    top: 110px;
    left: 20px;
    font-size: 18px;
  }
  #mission-title > div {
    position: absolute;
    top: 180px;
    left: 20px;
    font-size: 13px;
  }
  #mission-s2dgs {
    margin:  20px;
  }
  .mission-h2 {
    color: #2710d5;
    font-size: 38px;
    margin: 0;
  }
  .mission-h2::after {
    content: none;
  }
  #mission-s2dgs > img {
    width: 100%;
  }
  #mission-5goals {
    margin: 20px;
  }
  #mission-5goals > div > div {
    margin-bottom: 40px;
  }
  #s2dgs-image {
    width: 100%;
  }
  .fivegoals-image-right {
    margin: 20px auto 20px auto;
    display: block;
  }
  .fivegoals-image-left {
    margin: 20px auto 20px auto;
    display: block;
  }
  .fivegoals-number {
    color: #2710d5;
    font-size: 48px;
    margin: 0;
  }
  .fivegoals-h3 {
    font-size: 28px;
    margin: 0;
  }
  .fivegoals-p {
    margin: 0;
  }
  #product-main {
    height: 256px;
    width: 100%;
    background-image: url(images/product/product-main.png);
    background-repeat: no-repeat;
    background-size: auto 208px;
  }
  #product-title {
    background-color: #2710d5;
    width: 136px;
    color: #ffffff;
    height: 256px;
    border-radius: 0 248px 248px 0;
    position: relative;
  }
  #product-title > h1 {
    position: absolute;
    top: 0;
    left: 20px;
    font-size: 40px;
  }
  #product-title > span {
    position: absolute;
    top: 110px;
    left: 20px;
    font-size: 18px;
  }
  #product-title > div {
    position: absolute;
    top: 180px;
    left: 20px;
    font-size: 13px;
  }
  .product-section1 {
    margin: 20px;
  }
  .product-section1 > img {
    width: 100%;
    border-radius: 0 300px 0 0;
  }
  .product-section2 {
    margin: 20px;
    display: flex;
    flex-direction: column;
  }
  .product-section2 > img {
    order: 1;
    width: 100%;
    border-radius: 300px 0 0 0;
  }
  .product-section2 > div {
    order: 2;
  }
  .product-h2 {
    color: #2710d5;
    font-size: 24px;
    margin: 0;
  }
  .product-h3 {
    font-size: 28px;
    margin: 0;
  }
}

#cases {
  margin: 40px auto 40px auto;
  width: 100%;
}
#cases>ul {
  display: flex;
  list-style: none;
  justify-content: center;
}
#cases>ul>li {
  width: 33%;
  margin: 20px;
}

.case-card {
  background-color: #ffffff;
  min-height: 400px;
  box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.2);
}
.case-img {
  width: 100%;
}
.case-info {
  padding: 10px 20px 10px 20px;
}
.case-name {
  color: #2710d5;
  font-size: 19px;
}
.case-content {
  font-size: 14px;
}