* {
  margin: 0;
}
body {
  font-family: 'Noto Serif JP', serif;
  color: #454545;
  margin: 0;
  text-size-adjust: none;
}
h2 {
  margin: 0;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.9em;
}
section {
  padding: 0 20px 60px;
  background: #f9f9f9;
}
p,
li,
ol {
  font-size: 15px;
  line-height: 1.9em;
}
ul, ol {
  padding-top: 1.1em;
}
li {
  padding: 0.2em 0;
}
br {
  display: block;
  content: "";
  margin: 10px 0;
}
article {
  margin: 20px 0;
}
.header {
  padding: 20px;
}
.header a {
  cursor: pointer;
}
.header img {
  display: block;
  width: 65%;
  margin: 20px auto;
  max-width: 220px;
}
.breadcrumb {
  margin: 0;
  padding: 0 5px;
  list-style: none;
  line-height: 0;
}
.breadcrumb li {
  display: inline;
  list-style: none;
  font-size: 13px;
}
.breadcrumb li:after {
  content: '>';
  padding: 0 0.2em;
  color: #878787;
}
.breadcrumb li:last-child:after {
  content: '';
}
.breadcrumb li a {
  text-decoration: none;
  color: #878787;
}
.breadcrumb li a:hover {
  text-decoration: underline;
}
h1.title {
  font-size: 26px;
  font-weight: 500;
  line-height: 1.7em;
  color: #2e2422;
}
h1.research_title {
  font-size: 19px;
  font-weight: 500;
  text-align: center;
  margin-bottom: 1.5em;
}
.content__img__description {
  width: 100%;
  margin: 20px 0;
  line-height: 2em;
  font-size: 12px;
  color: #878787;
}
.content__img__description img {
  width: 100%;
}
.content__headline {
  color: #419a9d;
  font-size: 21px;
  margin: 40px 0 20px;
}
.content__description {
  overflow-wrap: break-word;
  line-height: 1.9em;
}
.content__description a {
  color: #419a9d;
  cursor: pointer;
  text-decoration: none;
}
.content__description a:hover {
  color: #56B6B8;
}
.content__link a {
  color: #419a9d;
  cursor: pointer;
  text-decoration: none;
}
.content__link a:hover {
  color: #56B6B8;
}
.content__list {
  font-size: 15px;
  line-height: 2em;
}
.content__list ul {
  padding: 0;
}
.content__list li {
  padding: 0 0.8em;
  list-style: none;
  line-height: 1.9em;
}
.content__list a {
  font-size: 15px;
  color: #559A98;
  text-decoration: none;
  cursor: pointer;
}
.space {
  margin: 30px;
}
.bold {
  font-weight: 700;
}
.dot {
  padding-top: .4em;
  background-repeat: repeat-x;
  background-size: 1em .3em;
  background-image: radial-gradient(.15em .15em at center center,orange,orange 100%,transparent);
}
.button {
  display: block;
  border: none;
  border-radius: 10px;
  width: 90%;
  margin: 0 auto 30px;
  padding: 12px;
  background-color: #79C6C7;
	transition: .4s;
	box-shadow: 10px 10px 10px rgba(0,0,0,0.3);
}
.button:hover {
  box-shadow: 0 0 10px rgba(0,0,0,0);
}
.button a {
  display: block;
  text-decoration: none;
  text-align: center;
  font-size: 17px;
  color: #fff;
  cursor: pointer;
}
.button a:active {
  color: #fff;
}
.footer {
  text-align: center;
  background: #f5f5f5;
  padding: 40px 10px;
}
.footer a {
  color: #454545;
  text-decoration: none;
  line-height: 20px;
  font-size: 13px;
  cursor: pointer;
}
.footer img {
  padding: 12px 0;
  height: 40px;
  cursor: pointer;
}
.footer__c {
  font-size: 13px;
  line-height: 0;
}
@media screen and (max-width: 768px) {
  .pc-only {
    display: none;
  }
}
@media screen and (min-width: 768px) {
  section {
    padding-bottom: 90px;
  }
  .wrapper {
    width: 700px;
    margin: auto;
  }
  p,
  li,
  ol {
    font-size: 15px;
    line-height: 2.1em;
  }
  .sp-only {
    display: none;
  }
  .header {
    padding: 40px;
  }
  .breadcrumb li {
    display: inline;
    list-style: none;
    font-size: 13px;
  }
  .child_list {
    padding: 0;
    list-style: "-  ";
  }
  h1.title {
    font-size: 32px;
    font-weight: 500;
    color: #2e2422;
  }
  h1.research_title {
    font-size: 22px;
    font-weight: 500;
    text-align: center;
  }
  .research__headline {
    font-size: 14px;
    color: #707070;
  }
  .research__headline a {
    font-size: 15px;
    margin-left: 22px;
    color: #559A98;
    text-decoration: none;
    cursor: pointer;
  }
  .created {
    color: #878787;
    text-align: right;
    font-size: 13px;
    padding-bottom: 5px;
  }
  .content__img__description {
    width: 100%;
    margin: 30px 0;
    line-height: 2em;
    font-size: 12px;
    color: #878787;
  }
  .content__headline {
    font-size: 24px;
    margin: 50px 0 30px;
  }
  .content__description {
    font-size: 15px;
  }
  .content__list {
    font-size: 15px;
    line-height: 2em;
  }
  .content__list ul {
    padding: 0;
  }
  .content__list li {
    padding: 0 1em;
    list-style: none;
    line-height: 1.9em;
  }
  .content__list a {
    font-size: 15px;
    color: #559A98;
    text-decoration: none;
    cursor: pointer;
  }
  .img__divided {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-column-gap: 10%;
    width: 100%;
  }
  .space {
    margin: 45px;
  }
  .button {
    display: block;
    border: none;
    border-radius: 10px;
    width: 85%;
    margin: 0 auto 60px;
    padding: 14px;
    background-color: #79C6C7;
    transition: .4s;
    box-shadow: 10px 10px 10px rgba(0,0,0,0.3);
  }
  .button a {
    font-size: 17px;
  }
  .footer {
    text-align: center;
    background: #f5f5f5;
    position: relative;
    padding: 60px 10px;
  }
  .footer a {
    color: #454545;
    text-decoration: none;
    line-height: 20px;
  }
  .footer__below {
    display: flex;
    justify-content: center;
    gap: 3%;
  }
  .footer img {
    padding: 7px 0;
    height: 40px;
    cursor: pointer;
  }
  .footer__c {
    margin-top: 30px;
    line-height: 0;
  }
}