@charset "UTF-8";

/* CSS Document */

/*-----------------
common
-----------------*/
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border: 0
}
html {
  font-size: 62.5%;
}
body {
  line-height: 1.75;
  font-size: 16px;
  font-size: 1.6rem;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Yu Gothic Medium", "YuGothic", "Meiryo", sans-serif;
}
a {
  color: #0c4fab;
  text-decoration: none;
  transition: all .1s ease-out;
}
a:hover {
  opacity: 0.7;
}
img {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
  display: block;
}
ul,
ol,
li {
  list-style: none;
}
.btn {
  background-color: #044EB7;
  color: #fff;
  display: block;
  text-align: center;
  padding: 1em;
  border-radius: 5px;
  max-width: 500px;
  margin: 0 auto;
}

/* header */
header {
  background: #eee;
}
#header_summary {
  font-size: 12px;
  font-size: 1.2rem;
  padding: 1em 32px;
  max-width: calc(980px + 64px);
  margin: 0 auto;
  display: flex;
  align-items: center;
}
#header_summary img {
  margin-right: 1em;
}
h1 {
  font-weight: normal;
}
.title {
  color: #666;
  padding: 0 2em;
}
.title .title_h1 {
  max-width: 980px;
  margin: 30px auto 0;
  display: flex;
  align-items: center;
  border-bottom: 1px dashed #666;
  justify-content: space-between;
  flex-wrap: wrap;
}
.title_h1 h1 {
  width: calc(100% - 8em);
}
.title_h1 div {
  width: 8em;
  text-align: right;
  font-size: 28px;
}
.title p {
  margin: 0.5em auto 0;
  max-width: 980px;
  font-size: 14px;
  font-size: 1.4rem;
}

/*nav*/
nav {
  max-width: calc(980px + 4em);
  margin: 3em auto 0;
  padding: 0 2em;
}
nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  text-align: center;
}
nav li {
  width: 24%;
}
nav a {
  display: flex;
  align-items: center;
  padding: 20px;
  border: #e9f0f8 solid 3px;
  background: #e9f0f8;
  width: 100%;
  height: 200px;
  font-size: 18px;
  font-size: 1.8rem;
  position: relative;
}
nav a:hover {
  border: #044EB7 solid 3px;
}
nav a:after {
  position: absolute;
  margin: auto;
  content: "";
  vertical-align: middle;
  left: 0;
  right: 0;
  width: 15px;
  height: 15px;
  border-top: 1px solid #044EB7;
  border-right: 1px solid #044EB7;
  transform: rotate(135deg);
  bottom: 1em;
}
nav a span {
  display: block;
  margin: 0 auto;
}

/* pagetop */
#pagetop {
  position: fixed;
  bottom: 30px;
  right: 20px;
  width: 60px;
  height: 60px;
}
#pagetop a {
  position: relative;
  display: block;
}
#pagetop a::before,
#pagetop a::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  margin: auto;
  content: "";
  vertical-align: middle;
}
#pagetop a::before {
  box-sizing: border-box;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #245A99;
}
#pagetop a::after {
  left: 37%;
  width: 15px;
  height: 15px;
  border-top: 1px solid #fff;
  border-right: 1px solid #fff;
  transform: rotate(-45deg);
  top: 6px;
}

/*blog */
section {
  max-width: 980px;
  margin: 5em auto 10em;
  font-size: 14px;
  font-size: 1.4rem;
}
section>p {
  margin: 0 0 1em;
}
section h2 {
  margin: 0 0 1em;
  text-align: center;
  font-size: 20px;
  font-size: 2.0rem;
  padding: 0 0 0.2em;
  letter-spacing: 4px;
}
section h2:after {
  border-top: 7px double #27bbef;
  content: "";
  width: 70%;
  display: block;
  margin: 0 auto;
}
section h3 {
  background: #27bbef;
  color: #fff;
  font-size: 18px;
  font-size: 1.8rem;
  padding: 0.2em 1em;
  margin: 0 0 0.5em;
}
.company_name {
  text-align: right;
  margin: 1em 0;
}
.content_block {
  margin: 0 0 3em;
}
.section1 {
  margin: 1.5em 0 0;
}
.section1 dt {
  color: #0062b0;
  font-size: 16px;
  font-size: 1.6rem;
}
.section1 dt:before {
  content: "■";
  margin: 0 0.2em 0 0;
}
.section1 dd {
  margin: 0 0 0 1.4em;
}
.content_block ul li {
  margin: 0 0 0 1.2em;
}
.content_block ul li:before {
  content: "◆";
  margin: 0 0.2em 0 -1.2em;
  color: #0062b0;
}
.section3_ol {
  margin: 2em 0;
  counter-reset: number 0;
  list-style: none;
}
.section3_ol li {
  margin: 0 0 0 2.5em;
  padding-left: 1em;
  text-indent: -1.8em;
}
.section3_ol li:before {
  display: inline-block;
  margin: 0 -0.2em 0 -0.5em;
  counter-increment: number;
  content: "（"" "counter(number)" ""）";
  width: 2.5em;
}
.mt0 {
  margin-top: 0;
}
.indent-1 {
  padding-left: 1em;
  text-indent: -1em;
}
.indent-2 {
  padding-left: 0em;
  text-indent: -2em;
}
.attention {
  font-size: 1.2rem;
}
.section3_ol dl {
  display: inline-flex;
  width: 100%;
  margin: 0.5em 0 0;
}
.section3_ol dt {
  width: 12em;
}
.section3_ol dd:before {
  content: "：";
}
.caution {
  margin: 2em 0 0;
  font-size: 12px;
  font-size: 1.2rem;
}
.content_block2 {
  margin: 3em 0 0;
}
.content_block2 dl {
  margin: 0.5em 0 1em;
}
.content_block2 dd {
  display: inline-block;
  vertical-align: top;
  width: 79%;
}
.content_block2 dt {
  width: 20%;
  display: inline-block;
  vertical-align: top;
}
.content_block2 dd:before {
  content: "：";
  margin: 0 0 0 -1em;
}
#section4 ul {
  list-style: disc;
}
.one_block img {
  display: flex;
  margin: 15px auto;
}
.two_block {
  overflow: hidden;
}
.two_block img {
  float: left;
  width: 49.5%;
  margin: 15px auto;
}
.two_block img:first-child {
  margin-right: 1%;
}
#section6 {
  text-align: center;
}
.s_center {
  text-align: center;
  display: inline-block;
  margin-bottom: 2em;
}
.s_center p {
  text-align: right;
}
.sdgs_list {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  margin-bottom: 3em;
}
.sdgs_list li {
  max-width: 175px;
  margin: 0 1%;
  line-height: 1.2;
}
.sdgs_list li p {
  margin-top: .5em;
  font-size: 16px;
  font-size: 1.6rem;
}

/* footer menu */
.footer_menu {
  text-align: center;
}
.footer_menu a {
  background-color: #e50012;
  padding: 10px 30px;
  margin: 0 auto 30px;
  display: block;
  text-align: center;
  border-radius: 3px;
  color: #fff;
  font-size: 16px;
  font-size: 1.6rem;
  width: 14em;
}
.footer_menu p {
  max-width: 980px;
  display: block;
  margin: 0 auto;
  font-size: 12px;
  font-size: 1.2rem;
  padding: 0 0 30px;
  text-align: center;
}

/* footer */
footer {
  background-color: #ededed;
  text-align: center;
  padding: 15px 0;
  font-size: 12px;
  font-size: 1.2rem;
}

@media screen and (min-width: 781px) {
  nav .m15 {
    margin-top: 0.8em;
  }
}

@media screen and (max-width: 980px) {
  h1 {
    font-size: 20px;
    font-size: 2.0rem;
  }
  article {
    padding: 0 1em;
  }
  .title dl {
    padding: 1em 2em;
  }
  footer #copy {
    padding: 1em 2em;
    text-align: left;
  }
  .title .title_h1 h1 {
    width: 100%;
  }
  .title .title_h1 div {
    width: 100%;
    text-align: left;
    font-size: 14px;
    font-size: 1.4rem;
  }
  section {
    margin: 4em 2em 8em;
  }
  nav a br {
    display: none;
  }
}

@media screen and (max-width: 780px) {
  nav {
    margin: 1em 0 0;
  }
  nav ul {
    display: block;
  }
  nav li {
    width: 100%;
  }
  nav a:after {
    display: none;
  }
  nav a {
    display: block;
    min-height: auto;
    font-size: 14px;
    font-size: 1.4rem;
    text-align: left;
    margin: 0 0 0.5em 0;
    border: #e9f0f8 solid 1px;
    height: auto;
  }
  nav a:hover {
    border: 1px solid #044EB7;
  }
  section {
    font-size: 12px;
    font-size: 1.2rem;
  }
  section h2 {
    font-size: 16px;
    font-size: 1.6rem;
    letter-spacing: 0;
  }
  section h3 {
    font-size: 14px;
    font-size: 1.4rem;
  }
  .section1 dt {
    font-size: 14px;
    font-size: 1.4rem;
  }
  .content_block2 dt {
    width: auto;
    font-weight: bold;
  }
  .content_block2 dd:before {
    display: none;
  }
  .content_block2 dd {
    width: 100%;
  }
  .section3_ol dt {
    width: 100%;
    font-weight: bold;
  }
  .section3_ol dd:before {
    display: none;
  }
  .section3_ol dl {
    display: block;
  }
  .blog_contents {
    text-align: left;
  }
  .blog_contents p br {
    display: none;
  }
  .footer_menu ul {
    padding: 15px 0;
  }
  .footer_menu ul li {
    display: block;
    margin: 1em;
  }
  .footer_menu div {
    width: auto;
    padding: 2em 1em;
    font-size: 14px;
    font-size: 1.4rem;
  }
  .footer_menu strong {
    font-size: 16px;
    font-size: 1.6rem;
  }
  .footer_menu a {
    width: auto;
    margin: 0 2em 1em;
  }
  .footer_menu p {
    padding: 0 2em 2em;
    text-align: left;
  }
  #header_summary img {
    display: block;
    margin: 0 0 0.5em;
  }
  #container {
    width: auto;
    overflow: hidden;
  }
  #pagetop {
    position: static;
    bottom: 0;
    right: 0;
    margin: 50px auto 0;
    padding: 0;
  }
  footer {
    padding: 1em 2em;
  }
}