@charset "UTF-8";
:root {
  font-size: 13px;
  color: #494949;
  --content-width: 960px;
  --accent-color-blue: #272b45;
  --accent-color-green: #028a6f;
  --accent-color-lightblue: #0B88C8;
  --accent-color-lightgreen: #35A18C;
  --sub-color: #aaaaaa;
  --sub-color-light: #ebebeb;
}

body {
  margin: 0;
}

header {
  width: var(--content-width);
  height: 190px;
  padding: 0 calc((100% - var(--content-width)) / 2);
  background-image:
      url(../images/common/header.png),
      /* タイトル背景 */
      url(../images/common/header_bg.png)
      /* 左右のリピート画像 */
  ;
  background-repeat: no-repeat, repeat;
  background-position: center, left;
  display: grid;
  grid-template-columns: max-content 1fr 101px 96px;
  grid-template-rows: 10px 24px 156px;
  filter: drop-shadow(0 -1px 3px #000);
}

header img {
  grid-column: 1;
  grid-row: 1 / -1;
}

header>a {
  background-color: var(--accent-color-blue);
  padding: 0.3em 1em 0.5em;
  font-size: 0.9rem;
  text-align: center;
  color: #fff;
  text-decoration: none;
  border-radius: 0 0 5px 5px;
}

header>a:first-of-type {
  grid-column: 3;
  grid-row: 2;
  margin-right: 5px;
}

header>a:last-of-type {
  grid-column: 4;
  grid-row: 2;
}

header h1 {
  grid-column: 2 / -1;
  grid-row: 3;
  padding: 0.9rem 2rem;
  line-height: 1.7;
  margin: 13px 0 23px;
  font-family: "Noto Serif JP", serif;
  font-weight: 700;
  font-size: 2.00rem;
  color: #fff;
  background-color: rgba(39, 43, 69, 0.3);
}

header h1 a {
  color: #fff;
  text-decoration: none;
}

body>div {
  width: var(--content-width);
  margin: 35px auto 0;
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-column-gap: 30px;
}
body>div.sub-page {
  width: var(--content-width);
  margin: 0px auto 0;
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-column-gap: 30px;
}

aside {
  box-sizing: border-box;
  padding: 10px;
  background-color: var(--sub-color-light);
}

aside ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

aside ul li {
  background-color: #fff;
}

aside ul li a {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-weight: 600;
  letter-spacing: 0.1rem;
  text-decoration: none;
}

aside nav ul li {
  height: 48px;
  border: 1px solid var(--sub-color);
}

aside nav ul li+li {
  border-top: none;
}

aside nav ul li a {
  position: relative;
  line-height: 48px;
  font-size: 1.15rem;
  color: var(--accent-color-blue);
  padding-left: 27px;
}

aside nav ul li a::before {
  position: absolute;
  top: 9px;
  left: 7px;
  content: "";
  background-image: url(../images/common/aside_icon.png);
  width: 11px;
  height: 30px;
  display: inline-block;
}

aside>ul {
  margin-top: 30px;
}

aside>ul li {
  height: 70px;
  margin-bottom: 5px;
}

aside>ul li a {
  color: var(--sub-color);
  line-height: 70px;
  text-align: center;
}

main {
  margin-bottom: 4rem;
}

h2 {
  margin: 0;
  padding: 8px 10px 10px;
  border: 1px solid var(--sub-color);
  border-top: 3px solid var(--accent-color-blue);
  box-sizing: border-box;
  font-family: "Noto Serif JP", serif;
  font-size: 1.4rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.12rem;
  color: var(--accent-color-blue);
}

h2 a {
  position: relative;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: normal;
  float: right;
  color: var(--accent-color-green);
  text-decoration: none;
  font-size: 1rem;
  letter-spacing: 0;
  vertical-align: middle;
  line-height: 1.6rem;
}

h2 a::before {
  position: absolute;
  top: 0.5rem;
  left: -1rem;
  content: "";
  background-image: url(../images/common/topics_icon.png);
  background-repeat: no-repeat;
  width: 4px;
  height: 5px;
  display: inline-block;
  padding-right: 0.5rem;
}

h3 {
  font-family: "Noto Sans JP", sans-serif;
  padding-bottom: .3rem;
  font-size: 1.5rem;
  font-weight: normal;
  color: var(--accent-color-lightblue);
  border-bottom: 2px solid var(--accent-color-lightblue);
}

h4 {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.2rem;
  line-height: 1.2;
  border-left: 5px solid var(--accent-color-lightgreen);
  padding-bottom: .2rem;
  padding-left: .5rem;
}

section p {
  line-height: 1.9;
}

section h2+p {
  margin: 30px 0 50px;
}

section h3+p {
  margin: 1rem 0 1.5rem;
}

section h4+p {
  margin: 1rem 0 1.5rem;
}

.float-image {
  float: right;
  margin-left: 48px;
  margin-bottom: 30px;
}

.clearfix::after {
  content: "";
  display: block;
  clear: both;
}

dt {
  font-weight: bold;
  margin-bottom: .4rem;
}

dd {
  margin: 0;
  padding-bottom: .9rem;
  border-bottom: 1px solid var(--sub-color-light);
  margin-bottom: .9rem;
}
ul.breadcrumb {
margin-bottom: 1rem;
}
ul.breadcrumb li {
display: inline-block;
}
ul.breadcrumb li:not(:last-child)::after {
content: " > ";
font-size: 1.3rem;
}

.mb3{
margin-bottom:3rem;
}

#topics dl {
margin-bottom: 20px;
      padding-left: 20px;
}

#topics dl dt {
display: flex;
      margin-bottom: 0px;
}
#topics dl dt span.title a {
      max-width: 540px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
}
#topics dl dd {
      padding-bottom: 0px;
      max-width: 660px;
}
#topics dl dd {
      padding-bottom: 0px;
      margin: -8px 0px;
      text-overflow: ellipsis;
}
#topics dl dd a * {
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
}
#topics dl dd a {
      color: #333;
text-decoration: none;
}
#topics dl dd a:hover {
text-decoration: underline;
}

#topics dl dt span.date {
display: block;
width: 130px;
font-size: 13px;
white-space: nowrap;
color: #AAAAAA;
      position: relative;
}
#topics dl dt span.date::before {
  position: absolute;
  top: 0.5rem;
  left: -1rem;
  content: "";
  background-image: url(../images/common/topics_icon.png);
  background-repeat: no-repeat;
  width: 4px;
  height: 5px;
  display: inline-block;
  padding-right: 0.5rem;
}

#topics dl dt span.title {
display: block;
width: calc(100% - 130px);
font-size: 14px;
font-weight: bold;
color: #000 !important;
margin-bottom: 0.4rem;
}
#topics dl dt span.title a {
color: #333;
text-decoration: none;
}
/*.sitemap ul li ul li::before {
  content: ">";
  margin-left: 1rem;
  margin-right: 0.5rem;
}*/

time {
  position: relative;
  color: var(--sub-color);
  margin-left: 0.7rem;
  margin-right: 2em;
}

time::before {
  position: absolute;
  top: 0.5rem;
  left: -0.7rem;
  content: "";
  background-image: url(../images/common/topics_icon.png);
  background-repeat: no-repeat;
  width: 4px;
  height: 5px;
  display: inline-block;
}

footer {
  display: grid;
  grid-template-rows: 76px 24px;
  width: var(--content-width);
  padding: 0 calc((100% - var(--content-width)) / 2);
  background-image: url(../images/common/footer_bg.png);
  background-repeat: repeat-x;
}

footer ul {
  display: flex;
  align-self: center;
  grid-row: 1;
  list-style: none;
  padding: 0;
}

footer ul li {
  border-right: 1px solid #fff;
  line-height: 1.1;
}

footer ul li:first-child {
  border-left: 1px solid #fff;
}

footer ul li a {
  padding: 1.4rem;
  color: #fff;
  text-decoration: none;
}

footer p {
  text-align: right;
  margin: 0;
  grid-row: 2;
  color: var(--sub-color);
}

footer p small {
  font-size: .88rem;
}