@charset "UTF-8";
:root {
  --color-primary: #1e90ff;
  --color-secondary: #005a9c;
  --color-tertiary: #55bef2;
  --color-quaternary: #eefaff;
  --color-quinary: #444;
  --color-senary: #0063c7;
  --color-septenary: #333;
  --color-octonary: #333;
  --color-nonary: #333;
  --color-denary: #333;
  --width-pc-min: 980px;
  --width-pc-max: 1050px;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-quinary);
  background-color: #fff;
  margin: 0;
  padding: 0;
}

* {
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

a {
  color: var(--color-secondary);
}
a:hover {
  text-decoration: none;
}

.content li + li {
  margin-top: 0.5em;
}
.content a[href*=".pdf"]:not(.no_icon),
.content a[href*=".PDF"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_pdf.png");
  background-repeat: no-repeat;
  background-position: right center;
}
.content a[href*=".zip"]:not(.no_icon),
.content a[href*=".ZIP"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_download.png");
  background-repeat: no-repeat;
  background-position: right center;
}
.content a[href*=".doc"]:not(.no_icon),
.content a[href*=".docx"]:not(.no_icon),
.content a[href*=".DOC"]:not(.no_icon),
.content a[href*=".DOCX"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_doc.png");
  background-repeat: no-repeat;
  background-position: right center;
}
.content a[href*=".xls"]:not(.no_icon),
.content a[href*=".xlsx"]:not(.no_icon),
.content a[href*=".xls"]:not(.no_icon),
.content a[href*=".XLSX"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_xls.png");
  background-repeat: no-repeat;
  background-position: right center;
}
.content a[href*=".ppt"]:not(.no_icon),
.content a[href*=".pptx"]:not(.no_icon),
.content a[href*=".PPT"]:not(.no_icon),
.content a[href*=".PPTX"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_ppt.png");
  background-repeat: no-repeat;
  background-position: right center;
}
.content a[href^="http://"]:not(.no_icon),
.content a[href^="https://"]:not(.no_icon) {
  padding-right: 25px;
  background-image: url("../images/icon_external.png");
  background-repeat: no-repeat;
  background-position: right center;
}

@media screen and (min-width: 641px) {
  .page_header {
    padding: 0 15px;
    border-bottom: 2px solid var(--color-primary);
  }
  .page_header > .inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    width: 100%;
    max-width: var(--width-pc-min);
    margin: 0 auto;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
  }
  .page_header .logo img {
    width: 110px;
    height: auto;
    vertical-align: top;
  }

  .site_nav a,
.site_nav a:not([href]),
.site_nav a:not([class]) {
    display: block;
    text-decoration: none;
    line-height: 1;
    color: var(--color-primary);
    font-weight: 500;
  }
  .site_nav ul.main_menu {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: end;
        -ms-flex-pack: end;
            justify-content: flex-end;
    margin: 0;
    padding: 0;
    list-style-type: none;
  }
  .site_nav ul.main_menu > li {
    position: relative;
  }
  .site_nav ul.main_menu > li > a {
    padding: 30px 20px;
  }
  .site_nav ul.main_menu > li > a.current {
    color: #fff;
    background-color: var(--color-primary);
  }
  .site_nav ul.main_menu > li:hover > a {
    color: #fff;
    background-color: var(--color-primary);
  }
  .site_nav ul.main_menu > li:hover > ul.sub_menu {
    display: block;
  }
  .site_nav ul.sub_menu {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    min-width: 100%;
    margin: 0;
    padding: 0;
    list-style-type: none;
    background-color: #fff;
    border: 1px solid var(--color-primary);
  }
  .site_nav ul.sub_menu > li {
    border-top: 1px solid var(--color-primary);
  }
  .site_nav ul.sub_menu > li:has(> a.current) {
    border-top: 1px solid #fff;
  }
  .site_nav ul.sub_menu > li > a {
    white-space: nowrap;
    padding: 10px 50px 10px 10px;
    background-image: url(../images/arrow_01.svg);
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 30px auto;
  }
  .site_nav ul.sub_menu > li > a.current {
    color: #fff;
    background-color: var(--color-primary);
  }
  .site_nav ul.sub_menu > li:hover {
    border-top: 1px solid #fff;
  }
  .site_nav ul.sub_menu > li:hover > a {
    color: #fff;
    background-color: var(--color-primary);
  }

  .sp_menu_btn {
    display: none;
  }

  .page_footer {
    padding: 0 15px;
    color: #fff;
    background-color: var(--color-tertiary);
    background-image: url(../images/background_04.png);
    background-position: right bottom;
    background-repeat: no-repeat;
  }
  .page_footer > .inner {
    width: 100%;
    max-width: var(--width-pc-min);
    margin: 0 auto;
    padding: 30px 0;
  }
  .page_footer h2 {
    margin: 0 0 20px;
    font-size: 26px;
    font-weight: 600;
    line-height: 1;
    color: var(--color-secondary);
  }
  .page_footer address {
    margin: 0;
    font-style: normal;
    line-height: 1.8;
  }
  .page_footer a, .page_footer a:visited, .page_footer a:active {
    color: #fff;
    -webkit-text-decoration-color: rgba(255, 255, 255, 0.5);
            text-decoration-color: rgba(255, 255, 255, 0.5);
  }

  .page_substance {
    padding: 0 15px;
    background: url(../images/background_03.png) right bottom no-repeat;
  }
  .page_substance > .inner {
    width: 100%;
    max-width: var(--width-pc-max);
    margin: 0 auto;
    padding: 20px 0 140px;
  }

  body.home_page .page_substance > .inner {
    max-width: var(--width-pc-min);
  }

  .keyvisual {
    overflow: hidden;
    padding: 0 15px;
    background: #f5f9fc;
    background: -webkit-gradient(linear, left top, right top, from(#f5f9fc), color-stop(50%, #fbfdfe), to(#f5f9fc));
    background: linear-gradient(90deg, #f5f9fc 0%, #fbfdfe 50%, #f5f9fc 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#f5f9fc",endColorstr="#f5f9fc",GradientType=1);
  }
  .keyvisual .inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    width: 100%;
    max-width: var(--width-pc-min);
    height: 475px;
    margin: 0 auto;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    background-image: url(../images/background_01.png);
    background-repeat: no-repeat;
    background-position: right bottom;
  }
  .keyvisual .inner h2 {
    -ms-flex-item-align: center;
        -ms-grid-row-align: center;
        align-self: center;
  }
  .keyvisual .inner .button {
    -ms-flex-item-align: end;
        align-self: flex-end;
  }
  .keyvisual .inner .button a {
    display: block;
    margin-bottom: 35px;
  }
  .keyvisual .inner .button a:hover img {
    -webkit-transition: -webkit-filter 0.3s ease;
    transition: -webkit-filter 0.3s ease;
    transition: filter 0.3s ease;
    transition: filter 0.3s ease, -webkit-filter 0.3s ease;
    -webkit-filter: brightness(1.07) contrast(1.15);
            filter: brightness(1.07) contrast(1.15);
  }

  .summary {
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto 60px;
    padding: 30px 0 0;
    color: var(--color-secondary);
    text-align: center;
    font-weight: 500;
  }
  .summary p {
    margin: 0;
  }
  .summary p + p {
    margin-top: 0.8em;
  }

  .greeting {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 50px;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: start;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
  .greeting .text {
    max-width: 40em;
    margin: 0 auto;
    padding: 65px 0 0;
  }
  .greeting h2 {
    margin: 0 0 30px;
    padding: 0 5px 10px;
    font-size: 28px;
    font-weight: 400;
    border-bottom: 1px solid var(--color-quinary);
  }

  .local_nav {
    position: sticky;
    top: 20px;
  }
  .local_nav ol {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 13px;
    font-weight: 500;
  }
  .local_nav ol > li {
    margin: 0;
    border: 1px solid var(--color-primary);
  }
  .local_nav ol > li + li {
    border-top: none;
  }
  .local_nav ol > li > a {
    display: block;
    padding: 10px;
    background-color: #fff;
    color: var(--color-senary);
    text-decoration: none;
    position: relative;
  }
  .local_nav ol > li > a::before {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 50%;
    width: 10px;
    height: 10px;
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    -webkit-transform: translate(-60%, -50%);
            transform: translate(-60%, -50%);
  }
  .local_nav ol > li > a.active {
    color: #fff;
    background-color: var(--color-primary);
  }
  .local_nav ol > li > a.active::before {
    background-color: #fff;
  }
  .local_nav ol > li:hover > a, .local_nav ol > li.active > a {
    color: #fff;
    background-color: var(--color-primary);
  }
  .local_nav ol > li:hover > a::before, .local_nav ol > li.active > a::before {
    background-color: #fff;
  }

  .breadcrumb {
    margin: 15px auto 30px;
    padding: 0 15px;
    line-height: 1.3;
  }
  .breadcrumb ol {
    width: 100%;
    max-width: var(--width-pc-max);
    margin: 0 auto;
    padding: 0;
    list-style-type: none;
    font-size: 13px;
    font-weight: 500;
  }
  .breadcrumb ol > li {
    display: inline-block;
    margin: 0;
  }
  .breadcrumb ol > li::before {
    content: ">";
    margin: 0 7px 0 3px;
    color: var(--color-quinary);
  }
  .breadcrumb ol > li:first-child::before {
    content: "";
    margin: 0;
  }

  .sub_page .page_substance .inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
  }
  .sub_page .sidebar {
    width: 33%;
  }
  .sub_page .content {
    width: 62%;
  }
  .sub_page .content h1,
.sub_page .content .subheading1 {
    margin: 50px 0 30px;
    padding: 5px;
    font-size: 26px;
    font-weight: 500;
    color: var(--color-primary);
    background: none;
    border: none;
    border: 1px solid var(--color-primary);
  }
  .sub_page .content h2,
.sub_page .content .subheading2 {
    margin: 50px 0 20px;
    padding: 0 0 10px;
    font-size: 26px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-quinary);
  }
  .sub_page .content h3,
.sub_page .content .subheading3 {
    margin: 40px 0 20px;
    font-size: 20px;
    font-weight: 500;
    color: var(--color-senary);
    background: none;
    border: none;
  }
  .sub_page .content h4,
.sub_page .content .subheading4 {
    margin: 30px 0 15px;
    padding: 5px 10px;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    background-color: var(--color-quaternary);
  }
  .sub_page .content h4.number::first-letter,
.sub_page .content .subheading4.number::first-letter {
    color: var(--color-secondary);
  }
  .sub_page .content h5,
.sub_page .content .subheading5 {
    margin: 25px 0 15px;
    padding: 0 5px 5px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    border-bottom: 1px solid #ccc;
  }
  .sub_page .content table:not([class]) {
    width: 100%;
    margin: 30px 0;
    border-collapse: collapse;
  }
  .sub_page .content table:not([class]) th,
.sub_page .content table:not([class]) td {
    padding: 10px;
    border: 1px solid #ccc;
  }
  .sub_page .content table:not([class]) th {
    background-color: #f5f5f5;
    font-weight: 500;
  }
  .sub_page .content table:not([class]) td {
    background-color: #fff;
  }
  .sub_page .content ul.link_list {
    margin-left: 0;
    padding-left: 0;
    list-style-type: none;
  }
  .sub_page .content ul.link_list > li {
    position: relative;
    padding-left: 1.3em;
  }
  .sub_page .content ul.link_list > li::before {
    content: "▶";
    position: absolute;
    left: 5px;
    top: 6px;
    font-size: 9px;
    color: orange;
  }
}
@media screen and (max-width: 640px) {
  .pc_only {
    display: none;
  }

  .page_header {
    padding: 20px 15px;
    border-bottom: 2px solid var(--color-primary);
  }
  .page_header > .inner {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    width: 100%;
    max-width: var(--width-pc-max);
    margin: 0 auto;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
  }
  .page_header .logo img {
    width: 110px;
    height: auto;
    vertical-align: top;
  }

  .site_nav {
    display: none;
  }

  .sp_menu_btn {
    position: fixed;
    right: 10px;
    top: 17px;
    padding: 8px 10px;
    font-size: 14px;
    font-weight: 500;
    color: #fff;
    line-height: 1;
    letter-spacing: 0.03em;
    background-color: rgba(30, 144, 255, 0.8);
    border: none;
    -webkit-box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
            box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
  }

  #spMenuModal ul.main_menu {
    margin: 0;
    padding: 0;
    list-style-type: none;
  }
  #spMenuModal ul.main_menu > li {
    border-bottom: 1px solid #ddd;
  }
  #spMenuModal ul.main_menu > li + li {
    margin-top: 0;
  }
  #spMenuModal ul.main_menu > li > a {
    display: block;
    padding: 10px;
    color: var(--color-secondary);
    text-decoration: none;
  }
  #spMenuModal ul.main_menu > li > a.active {
    color: var(--color-secondary);
  }
  #spMenuModal ul.sub_menu {
    margin: 0 0 0.5em;
    padding: 0 0 0 1.5em;
    list-style-type: none;
    font-size: 14px;
  }
  #spMenuModal ul.sub_menu > li {
    border-top: 1px solid #ddd;
  }
  #spMenuModal ul.sub_menu > li + li {
    margin-top: 0;
  }
  #spMenuModal ul.sub_menu > li > a {
    display: block;
    padding: 5px 10px;
    color: var(--color-secondary);
    text-decoration: none;
  }
  #spMenuModal ul.sub_menu > li > a.active {
    color: var(--color-secondary);
  }

  .page_footer {
    padding: 0 15px;
    color: #fff;
    background-color: var(--color-tertiary);
    background-image: url(../images/background_04.png);
    background-position: right bottom;
    background-repeat: no-repeat;
    background-size: 40% auto;
  }
  .page_footer > .inner {
    width: 100%;
    max-width: var(--width-pc-max);
    margin: 0 auto;
    padding: 25px 0;
  }
  .page_footer h2 {
    margin: 0 0 20px;
    font-size: 24px;
    font-weight: 600;
    line-height: 1;
    color: var(--color-secondary);
  }
  .page_footer address {
    margin: 0;
    font-style: normal;
    line-height: 1.8;
  }
  .page_footer a, .page_footer a:visited, .page_footer a:active {
    color: #fff;
    -webkit-text-decoration-color: rgba(255, 255, 255, 0.5);
            text-decoration-color: rgba(255, 255, 255, 0.5);
  }

  .page_substance {
    padding: 0 15px;
    background: url(../images/background_03.png) right bottom no-repeat;
    background-size: 60% auto;
  }
  .page_substance > .inner {
    width: 100%;
    max-width: var(--width-pc-max);
    margin: 0 auto;
    padding: 20px 0 120px;
  }

  .keyvisual {
    overflow: hidden;
    padding: 0 15px;
    background: #f5f9fc;
    background: -webkit-gradient(linear, left top, right top, from(#f5f9fc), color-stop(50%, #fbfdfe), to(#f5f9fc));
    background: linear-gradient(90deg, #f5f9fc 0%, #fbfdfe 50%, #f5f9fc 100%);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr="#f5f9fc",endColorstr="#f5f9fc",GradientType=1);
  }
  .keyvisual .inner {
    width: 100%;
    margin: 0;
    padding: 40px 0 50px;
    -webkit-user-select: none;
       -moz-user-select: none;
        -ms-user-select: none;
            user-select: none;
    background-image: url(../images/background_01.png);
    background-repeat: no-repeat;
    background-position: right bottom;
    background-size: 100% auto;
  }
  .keyvisual .inner h2 {
    margin-bottom: 25vw;
    text-align: center;
  }
  .keyvisual .inner h2 img {
    max-width: 65vw;
  }
  .keyvisual .inner .button {
    margin-top: 40px;
    text-align: right;
  }
  .keyvisual .inner .button a img {
    max-width: 35vw;
  }

  .summary {
    width: -webkit-fit-content;
    width: -moz-fit-content;
    width: fit-content;
    margin: 0 auto 60px;
    padding: 15px 0 0;
    color: var(--color-secondary);
    text-align: center;
    font-weight: 500;
  }
  .summary p {
    margin: 0;
  }
  .summary p + p {
    margin-top: 0.8em;
  }

  .greeting {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 50px;
    -webkit-box-pack: start;
        -ms-flex-pack: start;
            justify-content: start;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: reverse;
        -ms-flex-direction: row-reverse;
            flex-direction: row-reverse;
  }
  .greeting .text {
    max-width: 40em;
    margin: 0 auto;
    padding: 65px 0 0;
  }
  .greeting h2 {
    margin: 0 0 30px;
    padding: 0 5px 10px;
    font-size: 28px;
    font-weight: 400;
    border-bottom: 1px solid var(--color-quinary);
  }

  .local_nav ol {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 13px;
    font-weight: 500;
  }
  .local_nav ol > li {
    margin: 0;
    border: 1px solid var(--color-primary);
  }
  .local_nav ol > li + li {
    border-top: none;
  }
  .local_nav ol > li > a {
    display: block;
    padding: 5px 10px;
    background-color: #fff;
    color: var(--color-senary);
    text-decoration: none;
    position: relative;
  }
  .local_nav ol > li > a::before {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 50%;
    width: 10px;
    height: 10px;
    background-color: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    -webkit-transform: translate(-60%, -50%);
            transform: translate(-60%, -50%);
  }
  .local_nav ol > li > a.active {
    color: #fff;
    background-color: var(--color-primary);
  }
  .local_nav ol > li > a.active::before {
    background-color: #fff;
  }
  .local_nav ol > li:hover > a, .local_nav ol > li.active > a {
    color: #fff;
    background-color: var(--color-primary);
  }
  .local_nav ol > li:hover > a::before, .local_nav ol > li.active > a::before {
    background-color: #fff;
  }

  .breadcrumb {
    max-width: var(--width-pc-max);
    margin: 10px auto 0;
    padding: 0 15px;
    line-height: 1.3;
  }
  .breadcrumb ol {
    margin: 0;
    padding: 0;
    list-style-type: none;
    font-size: 13px;
    font-weight: 500;
  }
  .breadcrumb ol > li {
    display: inline-block;
    margin: 0;
  }
  .breadcrumb ol > li::before {
    content: ">";
    margin: 0 7px 0 3px;
    color: var(--color-quinary);
  }
  .breadcrumb ol > li:first-child::before {
    content: "";
    margin: 0;
  }
  .breadcrumb ol > li > a:hover {
    text-decoration: underline;
  }

  .sub_page .sidebar {
    margin: 0 0 30px;
  }
  .sub_page .content h1,
.sub_page .content .subheading1 {
    margin: 50px 0 30px;
    padding: 7px;
    font-size: 24px;
    font-weight: 500;
    background: none;
    border: none;
    border: 1px solid var(--color-primary);
  }
  .sub_page .content h2,
.sub_page .content .subheading2 {
    margin: 40px 0 20px;
    padding: 0 0 10px;
    font-size: 24px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    border-bottom: 1px solid var(--color-quinary);
  }
  .sub_page .content h3,
.sub_page .content .subheading3 {
    margin: 30px 0 20px;
    padding: 0;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-senary);
    background: none;
    border: none;
  }
  .sub_page .content h4,
.sub_page .content .subheading4 {
    margin: 30px 0 15px;
    padding: 5px 10px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    background-color: var(--color-quaternary);
  }
  .sub_page .content h4.number::first-letter,
.sub_page .content .subheading4.number::first-letter {
    color: var(--color-secondary);
  }
  .sub_page .content h5,
.sub_page .content .subheading5 {
    margin: 25px 0 15px;
    padding: 0 5px 5px;
    font-size: 16px;
    font-weight: 500;
    color: var(--color-quinary);
    background: none;
    border: none;
    border-bottom: 1px solid #ccc;
  }
  .sub_page .content table:not([class]) {
    width: 100%;
    margin: 30px 0;
    border-collapse: collapse;
  }
  .sub_page .content table:not([class]) th,
.sub_page .content table:not([class]) td {
    padding: 10px;
    border: 1px solid #ccc;
  }
  .sub_page .content table:not([class]) th {
    background-color: #f5f5f5;
    font-weight: 500;
  }
  .sub_page .content table:not([class]) td {
    background-color: #fff;
  }
  .sub_page .content ul.link_list {
    margin-left: 0;
    padding-left: 0;
    list-style-type: none;
  }
  .sub_page .content ul.link_list > li::before {
    content: "▸";
  }
}