main.column-main {
  padding-top: 0;
}

section.ttl {
  border-bottom: 3px solid #31B1B0;
}
section.ttl > div {
  max-width: 1240px;
  padding: 40px 30px;
  margin: 0 auto;
}
section.ttl > div h1 {
  font-size: 200%;
}

nav.breadcrumb > ul {
  max-width: 1240px;
  padding: 10px 30px;
  margin: 0 auto;
  font-size: 85%;
}
nav.breadcrumb > ul > li {
  display: inline-block;
}
nav.breadcrumb > ul > li:not(:last-child)::after {
  content: "-";
  padding: 0 0.5em;
}

@media screen and (max-width: 768px) {
  nav.breadcrumb > ul {
    padding: 10px 3%;
  }
}
section.case01 {
  padding-bottom: 3em;
}
section.case01 .container {
  display: flex;
  justify-content: space-between;
}
section.case01 .container figure {
  width: 48%;
}
section.case01 .container > div {
  width: 48%;
}
section.case01 .container > div h1 {
  color: #31B1B0;
  font-size: 200%;
  padding-bottom: 0.8em;
}
section.case01 .container > div .client-info {
  border: 1px solid #D9D9D9;
}
section.case01 .container > div .client-info h3 {
  padding: 0.8em 0 0.8em 20px;
  position: relative;
  font-size: 125%;
}
section.case01 .container > div .client-info h3::before {
  content: "";
  display: block;
  width: 6px;
  height: 100%;
  background-color: #31B1B0;
  position: absolute;
  left: 0;
  top: 0;
}
section.case01 .container > div .client-info p {
  padding: 20px;
}
section.news01, section.case02, section.column01 {
  padding-bottom: 6em;
}
section.news01 .container h2, section.case02 .container h2, section.column01 .container h2 {
  font-size: 200%;
  position: relative;
  padding: 1.5em 0 0.5em 0;
  margin-bottom: 1em;
}
section.news01 .container h2::before, section.case02 .container h2::before, section.column01 .container h2::before {
  content: "";
  width: 100%;
  height: 5px;
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: #D7D7D7;
}
section.news01 .container h2::after, section.case02 .container h2::after, section.column01 .container h2::after {
  content: "";
  width: 2.4em;
  height: 5px;
  position: absolute;
  left: 0;
  bottom: 0;
  background-color: #31B1B0;
}
section.news01 .container h3, section.case02 .container h3, section.column01 .container h3 {
  padding: 0.5em 0 0.5em 1.2em;
  color: #31B1B0;
  font-size: 115%;
  font-weight: 700;
  background-color: #EAF9F9;
  position: relative;
  margin-bottom: 1em;
}
section.news01 .container h3::before, section.case02 .container h3::before, section.column01 .container h3::before {
  content: "";
  display: block;
  width: 6px;
  height: 100%;
  background-color: #31B1B0;
  position: absolute;
  left: 0;
  top: 0;
}
section.news01 .container figure img, section.case02 .container figure img, section.column01 .container figure img {
  max-width: 100%;
  height: auto;
  margin-bottom: 1em;
}
section.news01 .container figure table, section.case02 .container figure table, section.column01 .container figure table {
  margin-bottom: 1em;
}
section.news01 .container figure .wp-block-embed__wrapper, section.case02 .container figure .wp-block-embed__wrapper, section.column01 .container figure .wp-block-embed__wrapper {
  margin-bottom: 1em;
}
section.news01 .container p, section.case02 .container p, section.column01 .container p {
  padding-bottom: 1.5em;
}
section.news01 .container p a, section.case02 .container p a, section.column01 .container p a {
  text-decoration: underline;
}
section.news01 .container ul:not(.column-category-list):not(.featured-column-list), section.case02 .container ul:not(.column-category-list):not(.featured-column-list), section.column01 .container ul:not(.column-category-list):not(.featured-column-list) {
  padding-bottom: 1.5em;
}
section.news01 .container ul:not(.column-category-list):not(.featured-column-list) li, section.case02 .container ul:not(.column-category-list):not(.featured-column-list) li, section.column01 .container ul:not(.column-category-list):not(.featured-column-list) li {
  padding-left: 1em;
  position: relative;
}
section.news01 .container ul:not(.column-category-list):not(.featured-column-list) li::before, section.case02 .container ul:not(.column-category-list):not(.featured-column-list) li::before, section.column01 .container ul:not(.column-category-list):not(.featured-column-list) li::before {
  content: "";
  width: 0.6em;
  height: 0.6em;
  display: block;
  position: absolute;
  left: 0;
  top: 0.6em;
  background-color: #31B1B0;
  border-radius: 50%;
}
section.news01 .container ol, section.case02 .container ol, section.column01 .container ol {
  padding-left: 1.5em;
  padding-bottom: 1.5em;
}
section.news01 .container .nav-wrap, section.case02 .container .nav-wrap, section.column01 .container .nav-wrap {
  padding-top: 3em;
}
section.news01 .container .nav-wrap nav, section.case02 .container .nav-wrap nav, section.column01 .container .nav-wrap nav {
  display: flex;
  justify-content: space-between;
}
section.news01 .container .nav-wrap nav > div.wp-block-post-navigation-link, section.case02 .container .nav-wrap nav > div.wp-block-post-navigation-link, section.column01 .container .nav-wrap nav > div.wp-block-post-navigation-link {
  display: flex;
  max-width: 48%;
}
section.news01 .container .nav-wrap nav > div.wp-block-post-navigation-link > a, section.case02 .container .nav-wrap nav > div.wp-block-post-navigation-link > a, section.column01 .container .nav-wrap nav > div.wp-block-post-navigation-link > a {
  max-width: calc(100% - 2.2em);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
section.news01 .container .nav-wrap nav > div.wp-block-post-navigation-link > span, section.case02 .container .nav-wrap nav > div.wp-block-post-navigation-link > span, section.column01 .container .nav-wrap nav > div.wp-block-post-navigation-link > span {
  display: inline-block;
  width: 1.8em;
  height: 1.8em;
  border: 1px solid #31B1B0;
  border-radius: 3px;
  line-height: 1.8;
  padding: 0 0.2em;
  color: #31B1B0;
  text-align: center;
}
section.column01 {
  padding: 4em 0 6em 0;
}
section.column01 .container {
  display: flex;
  justify-content: space-between;
}
section.column01 .container .main {
  width: calc(100% - 350px);
}
section.column01 .container .sidebar {
  width: 280px;
}
section.column01 .container .sidebar h2 {
  font-size: 150%;
  font-weight: 700;
  color: #31B1B0;
  padding: 0 0 0.3em 0;
}
section.column01 .container .sidebar h2::before, section.column01 .container .sidebar h2::after {
  content: none;
}
section.column01 .container .sidebar ul.column-category-list {
  margin-bottom: 3em;
}
section.column01 .container .sidebar ul.column-category-list > a {
  display: none;
}
section.column01 .container .sidebar ul.column-category-list > a + li {
  display: none;
}
section.column01 .container .sidebar ul.column-category-list li {
  margin-bottom: 0.8em;
}
section.column01 .container .sidebar ul.column-category-list li a {
  display: inline-block;
  background-color: #F9F9F9;
  font-weight: 700;
  padding: 0.6em 0.8em;
  border-radius: 0.3em;
  transition: color 300ms ease, background-color 300ms ease;
}
section.column01 .container .sidebar ul.column-category-list li a::before {
  content: "";
  display: inline-block;
  width: 0.8em;
  height: 0.8em;
  margin-right: 0.5em;
  background-color: #31B1B0;
  border-radius: 50%;
  transition: background-color 300ms ease;
}
section.column01 .container .sidebar ul.column-category-list li a:hover {
  color: #EDEE00;
  background-color: #31B1B0;
  transition: color 300ms ease, background-color 300ms ease;
}
section.column01 .container .sidebar ul.column-category-list li a:hover::before {
  background-color: #EDEE00;
  transition: background-color 300ms ease;
}
section.column01 .container .sidebar ul.featured-column-list li a {
  color: white;
  display: block;
  margin-bottom: 2em;
}
section.column01 .container .sidebar ul.featured-column-list li a img {
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  margin-bottom: 0.3em;
  opacity: 1;
  transition: opacity 300ms ease;
}
section.column01 .container .sidebar ul.featured-column-list li a h3 {
  font-size: 100%;
  font-weight: 700;
  background-color: white;
  color: #333;
  padding: 0;
  margin: 0;
  transition: color 300ms ease;
}
section.column01 .container .sidebar ul.featured-column-list li a h3::before {
  content: none;
}
section.column01 .container .sidebar ul.featured-column-list li a p.featured-date {
  font-size: 85%;
  color: #A6A6A6;
  transition: color 300ms ease;
}
section.column01 .container .sidebar ul.featured-column-list li a:hover img {
  opacity: 0.8;
  transition: opacity 300ms ease;
}
section.column01 .container .sidebar ul.featured-column-list li a:hover h3, section.column01 .container .sidebar ul.featured-column-list li a:hover p.featured-date {
  color: #31B1B0;
  transition: color 300ms ease;
}

@media screen and (max-width: 1200px) {
  section.column01 .container .main {
    width: calc(100% - 320px);
  }
}
@media screen and (max-width: 1000px) {
  section.column01 .container {
    display: block;
  }
  section.column01 .container .main {
    width: 100%;
    padding-bottom: 6em;
  }
  section.column01 .container .sidebar {
    width: 100%;
    display: flex;
    justify-content: space-around;
  }
  section.column01 .container .sidebar > div {
    width: 280px;
  }
}
@media screen and (max-width: 900px) {
  section.case01 .container {
    display: block;
  }
  section.case01 .container figure {
    width: 80%;
    margin: 0 auto;
  }
  section.case01 .container > div {
    width: 100%;
  }
}
@media screen and (max-width: 768px) {
  section.case01 .container figure {
    width: 90%;
  }
}
@media screen and (max-width: 640px) {
  section.case01 .container figure {
    width: 100%;
  }
  section.column01 .container .sidebar {
    display: block;
  }
  section.column01 .container .sidebar > div {
    width: 100%;
  }
}