@charset "UTF-8";
@media screen and (min-width: 770px) {
  /*共通*/
  .common_title {
    font-size: 20px;
    line-height: 1.3;
    font-weight: bold;
    padding: 8px 0 8px 21px;
    position: relative;
    margin-bottom: 15px;
  }
  .common_title::before {
    content: "";
    display: block;
    width: 7px;
    height: 44px;
    background: linear-gradient(180deg, #173fa5 0%, #173fa5 50%, #AEC1EE 50%, #aec1ef 100%);
    position: absolute;
    left: 2px;
    top: 0;
  }
  .blue {
    color: #173fa5;
  }
  /*  header*/
  header {
    background-color: #edf1f9;
  }
  header nav ul li:nth-of-type(6) {
    color: #173fa5;
  }
  .sub_main_img .main_img_bg {
    background-image: url("../img/information/main_img.jpg");
  }
  /*  contents*/
  #contents {
    padding: 0;
    background-color: #edf1f9;
    font-size: 18px;
    margin-bottom: 0;
    padding-bottom: 163px;
    line-height: 2;
  }
  #contents .auto {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: 35px;
  }
  /*  conts_main_column*/
  #conts_main_column #toc_container {
    width: 100% !important;
  }
  #conts_main_column {
    width: 815px;
    float: left;
    clear: none;
    padding-top: 50px;
    padding-left: 35px;
    margin-bottom: 46px;
  }
  #conts_main_column .category {
    display: inline-block;
    font-size: 12px;
    line-height: 1.3;
    color: #fff;
    font-weight: bold;
    background-color: #173fa5;
    padding: 3px 10px 3px;
    border-radius: 100px;
    margin-bottom: 14px;
  }
  #conts_main_column h1 {
    border-radius: 3px;
    font-size: 30px;
    line-height: 40px;
    font-weight: 600;
    margin-bottom: 10px;
  }
  #conts_main_column .date {
    display: inline-block;
    float: right;
    font-size: 15px;
    color: #8f8f8f;
    background-image: url("../img/information/icon_02.png");
    background-repeat: no-repeat;
    background-position: left center;
    background-size: 13px;
  }
  #conts_main_column .img {
    width: 100%;
    clear: both;
    margin-bottom: 22px;
  }
  #conts_main_column #toc_container {
    border: 1px solid #c5c5c5;
    padding: 50px 80px 10px !important;
    margin-bottom: 53px;
  }
  #conts_main_column #toc_container .toc_title {
    font-size: 30px;
    text-align: center;
    margin-bottom: 48px;
  }
  #conts_main_column #toc_container .toc_title .small {
    font-size: 15px;
    display: inline-block;
    margin: 0 20px;
  }
  #conts_main_column #toc_container .toc_title .small a {
    display: inline-block;
    width: auto;
  }
  #conts_main_column #toc_container > ul > li {
    width: 100%;
    font-size: 15px;
    line-height: 1.5 !important;
    margin-bottom: 38px !important;
  }
  #conts_main_column #toc_container ul > li:last-of-type {
    margin-bottom: 0;
  }
  #conts_main_column #toc_container > ul a {
    text-decoration: underline;
  }
  #conts_main_column #toc_container > ul a:hover {
    text-decoration: none;
  }
  #conts_main_column #toc_container > ul > li > a {
    font-size: 18px;
    line-height: 1.3;
    margin-bottom: 12px !important;
    font-weight: bold;
  }
  #conts_main_column #toc_container ul li a .toc_number {
    width: 40px;
    display: inline-block;
  }
  #conts_main_column #toc_container ul li ul li > a {
    font-size: 15px !important;
    margin-bottom: 0 !important;
  }
  /*  conts_right_column*/
  /*  conts_contact_banner*/
  #conts_contact_banner {
    padding: 60px 0 55px;
    background: url("../img/bg_01.jpg") no-repeat center center/cover;
    color: #fff;
  }
  #conts_contact_banner h2 {
    font-size: 35px;
    line-height: 1.7;
    font-weight: 600;
    margin-bottom: 48px;
  }
  #conts_contact_banner h2 .big {
    font-size: 45px;
  }
  #conts_contact_banner .btn {
    width: 418px;
    margin: 0 auto;
  }
  #conts_contact_banner .btn a {
    font-size: 26px;
    font-weight: 600;
    line-height: 1.2;
    color: #173fa5;
    padding: 22px 20px 19px;
    border-radius: 100px;
    box-shadow: 5px 5px 15px 0 rgba(71, 71, 71, 0.3), -5px -5px 15px 0 #235cfc, inset 5px 5px 13px 0 #fff, inset -5px -5px 13px 0 rgba(188, 194, 211, 0.25);
    background-image: linear-gradient(to top, #c8c8c8, #efefef);
  }
}
@media screen and (max-width:769px) {
  /*共通*/
  .common_title {
    font-size: 2rem;
    line-height: 1.3;
    font-weight: bold;
    padding: 8px 0 8px 21px;
    position: relative;
    margin-bottom: 20px;
  }
  .common_title::before {
    content: "";
    display: block;
    width: 7px;
    height: 44px;
    background: linear-gradient(180deg, #173fa5 0%, #173fa5 50%, #AEC1EE 50%, #aec1ef 100%);
    position: absolute;
    left: 2px;
    top: 0;
  }
  .blue {
    color: #173fa5;
  }
  /* header*/
  header {
    background-color: #edf1f9;
  }
  /*  contents*/
  #contents {
    background-color: #edf1f9;
    font-size: 1.6rem;
    margin-bottom: 0;
    padding-bottom: 60px;
    line-height: 2;
  }
  #contents .auto {
    width: 94%;
    display: block;
    padding-top: 20vw;
  }
  /*  conts_main_column*/
  #conts_main_column {
    text-align: left;
    padding: 20px 5% 35px;
    background-color: #fff;
    margin-bottom: 50px;
  }
  #conts_main_column .topics_img {
    margin-bottom: 30px;
    aspect-ratio: 16 / 9;
  }
  #conts_main_column .topics_img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  /*top*/
  #conts_main_column .top .title_block {
    margin-bottom: 20px;
  }
  #conts_main_column .top .title_block h2 {
    font-size: 2.6rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 10px;
  }
  #conts_main_column .top .title_block .block {
    display: flex;
    align-items: center;
  }
  #conts_main_column .top .title_block .block .date {
    font-size: 1.5rem;
  }
  #conts_main_column .top .title_block .category_name {
    margin-left: 10px;
    font-size: 1.2rem;
    color: #b4bed4;
  }
  #conts_main_column .top .text_blok {
    margin-bottom: 50px;
  }
  #conts_main_column .top .text_blok p {
    line-height: 1.8;
  }
  /*item*/
  #conts_main_column .item {
    margin-bottom: 50px;
  }
  #conts_main_column .item .box {
    display: block;
    align-items: center;
  }
  #conts_main_column .item .box figure {
    width: 190px;
    margin: 0 auto 20px;
  }
  #conts_main_column .item .box .text_box {
    width: 100%;
  }
  #conts_main_column .item .box .text_box .small {
    font-size: 1.5rem;
  }
  #conts_main_column .item .box .text_box p {
    font-size: 1.8rem;
    line-height: 1.5;
    margin-bottom: 15px;
    font-weight: 600;
  }
  #conts_main_column .item .box .text_box p:last-of-type {
    margin-bottom: 0;
  }
  #conts_main_column .item .box .text_box .btn {
    width: 90%;
    margin: 0 auto;
  }
  #conts_main_column .item .box .text_box .btn a {
    font-weight: 600;
    line-height: 1.4;
    padding: 15px 5%;
    border: 1px solid #173fa5;
    text-align: center;
  }
  /*article*/
  #conts_main_column .article .box {
    margin-bottom: 15px;
  }
  #conts_main_column .article .box:last-of-type {
    margin-bottom: 0;
  }
  #conts_main_column .article .box a {
    display: flex;
    align-items: center;
  }
  #conts_main_column .article .box figure {
    width: 120px;
    margin-right: 10px;
    aspect-ratio: 16 / 9;
  }
  #conts_main_column .article .box figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  #conts_main_column .article .box .text_box {
    width: calc(100% - 120px);
  }
  #conts_main_column .article .box .text_box p {
    font-size: 1.3rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    font-weight: 600;
  }
  #conts_main_column .img {
    width: 100%;
    clear: both;
    margin-bottom: 20px;
  }
  #conts_main_column #toc_container {
    border: 1px solid #c5c5c5;
    padding: 30px 5% 16px !important;
    margin-bottom: 53px;
  }
  #conts_main_column #toc_container .toc_title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 22px;
  }
  #conts_main_column #toc_container .toc_title .small {
    font-size: 1.4rem;
    display: inline-block;
    margin: 0 12px;
  }
  #conts_main_column #toc_container .toc_title .small a {
    display: inline-block;
    width: auto;
  }
  #conts_main_column #toc_container ul > li {
    width: 100%;
    font-size: 1.5rem !important;
    line-height: 1.5 !important;
    margin-bottom: 20px !important;
  }
  #conts_main_column #toc_container ul a {
    text-decoration: underline;
  }
  #conts_main_column #toc_container ul a:hover {
    text-decoration: none;
  }
  #conts_main_column #toc_container ul > li:last-of-type {
    margin-bottom: 0 !important;
  }
  #conts_main_column #toc_container > ul > li > a {
    margin-bottom: 12px;
    font-weight: bold;
  }
  #conts_main_column #toc_container ul li ul li {
    padding-left: 48px;
    text-indent: -1em;
    font-size: 1.3rem !important;
    line-height: 1.4;
    margin-bottom: 10px !important;
  }
  #conts_main_column #toc_container .toc_toggle {
    font-size: 15px;
  }
  #conts_main_column #toc_container .toc_toggle a {
    display: inline;
  }
  /*  conts_right_column*/
  /*  conts_contact_banner*/
  #conts_contact_banner {
    padding: 40px 0 35px;
    background: url("../img/bg_01.jpg") no-repeat center center/cover;
    color: #fff;
  }
  #conts_contact_banner h2 {
    font-size: 2.6rem;
    line-height: 1.5;
    font-weight: 600;
    margin-bottom: 18px;
  }
  #conts_contact_banner h2 .big {
    font-size: 2.6rem;
  }
  #conts_contact_banner .btn {
    margin: 0 auto;
  }
  #conts_contact_banner .btn a {
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.2;
    color: #173fa5;
    padding: 18px 20px 17px;
    border-radius: 100px;
    box-shadow: 5px 5px 15px 0 rgba(71, 71, 71, 0.3), -5px -5px 15px 0 #235cfc, inset 5px 5px 13px 0 #fff, inset -5px -5px 13px 0 rgba(188, 194, 211, 0.25);
    background-image: linear-gradient(to top, #c8c8c8, #efefef);
  }
}