html,body {
  font-family: "Noto Sans JP", sans-serif;
  color: #1c1c1c;
  background-color: #fff;
}

body {
  margin: 0;
}

*,
::after,
::before {
  letter-spacing: .05em;
  line-height: 1.6;
  box-sizing: border-box;
}

summary::marker,
summary::-webkit-details-marker {
  display: none
}

img {
  width: 100%;
  height: auto
}

p {
  font-size: 18px;
  font-weight: normal;
  color: #1c1c1c
}

ul {
	list-style: none;
	padding-left: 0;
}


main {
  display: block;
}

/*=====================================
header
=====================================*/
header {
  display: flex;
  align-items: center;
  justify-content: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 78px;
  background: var(--wht);
  z-index: 100;
  background-color: #fff
}
header h1 a.logo img {
  width: 250px
}

@media(max-width: 899px) {
  header {
    height: 67px
  }

  header h1 a.logo img {
    width: 163px
  }
}


/*=====================================
topicpath
=====================================*/
.topicpath {
	margin-top: 78px;
  padding: min(2.2%, 14px) 2% min(2%, 12px);
  background-color: #f6f6f6;
  box-sizing: border-box;
}

.topicpath p {
  width: 100%;
	line-height: 1.4;
	font-size: 12px;
  font-weight: normal;
  color: #1c1c1c;
}

@media(max-width: 899px) {
  .topicpath p {
    font-size: 10px
  }
}

.topicpath p a {
  color: #909090;
  text-decoration: none;
  transition: .3s;
}
/*カーソル挙動*/
.topicpath p a:hover {
  color: #007bc2
}
.topicpath p span {
  color: #909090
}



/*=====================================
contents
=====================================*/
.contents {
  max-width: 900px;
}

.contents {
  background-color: rgba(0, 0, 0, 0);
  width: 100%;
  margin-left: auto;
  margin-right: auto;
	padding: 64px 32px
}


@media(max-width: 899px) {
  .contents {
    padding: 40px 16px
  }
}

.column-body {
  display: flex;
  flex-direction: column;
  gap: 16px
}

.column-date {
  margin-top: 8px;
	display: flex;
  flex-direction: row;
  justify-content: flex-start;
	gap: 16px
}
@media(max-width: 899px) {
  .column-date {
    gap: 8px;
    margin-top: 4px
  }
}

.column-date>p {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
	gap: 4px
}

.column-date>p span {
  color: #595959;
  font-size: 14px
}
@media(max-width: 899px) {
  .column-date>p span {
    font-size: 12px
  }
}

.column-date>p img {
  max-width: 20px
}

.column-img,
.column-eye-catch {
  max-width: 580px;
  margin: auto
}

.column-eye-catch {
  margin: 16px auto
}

.column-title {
  padding-bottom: 4px;
  border-bottom: 1px solid #d6d6d6;
	font-size: 24px;
  font-weight: bold;
  color: #1c1c1c
}
@media(max-width: 899px) {
  .column-title {
    font-size: 22px
  }
}

.column-lead {
  margin: 16px 0
}

/*=====================post=======================*/

.column-heading2 {
  padding: 16px 0 4px;
  background-image: linear-gradient(to right, #FE9D2D);
  background-repeat: no-repeat;
  background-position: bottom left;
  background-size: 100% 2px
}
.column-heading2 {
  font-size: 22px;
  font-weight: bold;
  color: #1c1c1c
}
@media(max-width: 899px) {
  .column-heading2 {
    font-size: 20px
  }
}

.column-heading2 {
  padding-top: 2em;
}

.check-list {
	list-style: none;
  margin: 0 20px;
  padding: 8px 0 8px 30px;
  border-bottom: 1px solid rgba(59, 109, 140, .3);
}

.check-list {
	font-size: 16px;
  font-weight: normal;
  color: #1c1c1c
}

.check-list:before {
	content: "☐"; /* チェック前の四角 */
  margin-right: 8px;
  color: #555;
  font-size: 1.2em;
}

.check-list {
	justify-content: center;
}

@media(max-width: 899px) {
  .check-list {
    font-size: 14px
  }
}

.contents a {
  color: #FE9D2D;
  font-size: 16px;
}
.contents a:hover {
  text-decoration: none;
}

/*=====================================
footer
=====================================*/
footer {
  width: 100%;
  padding: 50px 0 50px;
  background-color: #909090;
  box-sizing: border-box;
}
@media(max-width: 899px) {
  footer {
    padding: 40px 0 40px
  }
}

.sister-sites-list,
.support-box {
  display: flex;
  flex-direction: column;
  align-items: center
}

.sister-sites-list,
.support-box {
  gap: 32px
}

@media(max-width: 899px) {
  .sister-sites-list,
  .support-box {
    gap: 24px
  }
}

.sister-sites-list,
.support-links-list {
  display: flex;
  flex-direction: row;
  justify-content: center
}

.sister-sites-list,
.support-links-list {
  gap: 32px
}

@media(max-width: 899px) {
  .sister-sites-list,
  .support-links-list {
    display: flex;
    flex-direction: column;
    align-items: center
  }

  .sister-sites-list,
  .support-links-list {
    gap: 24px
  }
}

.support-links-list {
  gap: 24px
}

@media(max-width: 899px) {
  .support-links-list {
    gap: 16px
  }
}

.sister-sites-link {
  font-size: 20px;
  color: #fff
}

@media(max-width: 899px) {
  .sister-sites-link {
    font-size: 18px
  }
}

.support-link {
  font-size: 16px;
  font-weight: normal;
  color: #fff
}

@media(max-width: 899px) {
  .support-link {
    font-size: 14px
  }
}

.copyright {
  line-height: 1.4
}
.copyright {
  font-size: 12px;
  font-weight: normal;
  color: #d6d6d6
}
@media(max-width: 899px) {
  .copyright {
    font-size: 10px
  }
}