@charset "utf-8";
/*======================================================================
  variable
======================================================================*/
:root {
  --color-white: #FFF;
  --color-primary: #7497A4;
  --color-secondary: #EBF0F2;
  --color-text: #242E33;
  --color-text-sub: #485B66;
  --color-border: rgba(131, 162, 178, 0.30);
}

/*======================================================================
  Reset CSS for HTML5
======================================================================*/
html, body, div, span, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, abbr, address, cite, code, del, dfn, em, img, ins, kbd, q, samp, small, strong, sub, sup, var, b, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, figcaption, figure, footer, header, main, menu, nav, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    outline: 0;
    font-size: 100%;
    vertical-align: baseline;
    background: transparent;
}
ul {
    list-style: none;
}
a {
    margin: 0;
    padding: 0;
    vertical-align: baseline;
    background: transparent;
}
img {
    line-height: 1;
    vertical-align: bottom;
}

/*======================================================================
  FORMAT
======================================================================*/
.inner {
    max-width: 76.8rem;
    margin: 0 auto;
    padding: 0 2.4rem;
}

/*======================================================================
  BASIC
======================================================================*/
html {
	font-size: 10px;
}
html,body {
    height: 100%;
}
body {
    line-height: 1.5;
    font-family: "Yu Gothic" , "Yu Gothic UI" , "Segoe UI" , "游ゴシック" , "Meiryo" , "Meiryo UI" , "メイリオ" , "Hiragino Sans" , "Sanfrancisco" , "Hiragino Kaku" , "Gothic ProN" , "Helvetica Neue" , "Noto Sans CJK JP" , "Roboto" , sans-serif;
    font-size: 1.6rem;
    color: var(--color-text-sub);
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
    background: var(--color-white);
}

p { line-height: 1.5; }

a { color: var(--color-text-sub); cursor: pointer;}

a:hover {text-decoration: none;}

* {box-sizing: border-box;}

.img {
    display: block;
    width: 100%;
    height: auto;
}

a img:hover {
	opacity: .5;
}

.fit {
  position: relative;
  display: block;
  overflow: hidden;
}
.fit img {
  position: absolute;
  top: -50%;
  right: -50%;
  bottom: -50%;
  left: -50%;
  margin: auto;
  width: 100%;
  height: auto;
}

/*======================================================================
  header
======================================================================*/
.mv {
  padding-block: 1.6rem 4.8rem;
  background: url(images/bg_mv.png) no-repeat center;
  background-size: cover;
  background-attachment: fixed;
}

.mv_content {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.mv_content_head {
  display: flex;
  align-items: center;
  gap: 4rem;
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--color-border);
}

.mv_content_head_logo {
  max-width: 34rem;
}

.mv_content_head h1 {
  flex: 1;
  font-weight: normal;
}

.mv_content_about {
  max-width: 43.2rem;
  margin-left: auto;
}

.mv_content_about span {
  display: block;
  margin-bottom: .4rem;
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-primary)
}

.mv_content_about a {
  font-weight: bold;
  color: #1acf90;
}

.gnav {
  position: relative;
}

.menu_button {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: .4rem;
  position: relative;
  overflow: hidden;
  width: 4.8rem;
  height: 4.8rem;
  margin: -2.4rem auto 0;
  border-radius: .4rem;
  font-size: 0;
  background: var(--color-white);
  cursor: pointer;
}
.menu_button::after {
  position: absolute;
  left: 0;
  top: 0;
  display: block;
  content: '';
  width: 100%;
  height: 100%;
  background: linear-gradient(315deg, #9BB7C2 30%, #53798E 100%);
}
.menu_button:hover::after {
  opacity: .5;
}

.menu_button span {
  position: relative;
  z-index: 2;
  display: block;
  width: .3rem;
  height: .3rem;
  border-radius: 99rem;
  background: var(--color-white);
}
.menu_button:hover span {
  opacity: .5;
}

.menu-main {
  max-height: 0;
  overflow: hidden;
  transition: 0.3s ease-in-out;
}
.gnav ul {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2.4rem;
}

.gnav ul li a {
  display: block;
  padding: 1rem 1.6rem;
  border-radius: .4rem;
  font-weight: bold;
  background: var(--color-secondary);
}
.gnav ul li a:hover {
  opacity: .5;
}

.breadcrumb {
  padding-block: 3.2rem;
}

.breadcrumb ul li {
  padding-right: 5px;
  display: inline-block;
}

.breadcrumb ul li a span {
  font-weight: bold;
}

/*======================================================================
  footer
======================================================================*/
.footer {
  padding-block: 4.8rem;;
  color: var(--color-white);
  background: var(--color-primary);
}

.footer_content {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.fnav ul {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
}

.fnav a {
  display: flex;
  align-items: center;
  position: relative;
  min-height: 3rem;
  padding-left: 3.8rem;
  color: var(--color-white);
}
.fnav a::before {
  display: block;
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--color-white);
  border-radius: .4rem;
}
.fnav a:hover::before {
  background: var(--color-white);
}
.fnav a::after {
  display: block;
  content: '';
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: .7rem;
  height: 1.2rem;
  background: url(images/arrow_wh.svg) no-repeat center, url(images/arrow_bl.svg) no-repeat center;
  background-size: 100%, 0;
}
.fnav a:hover::after {
  background-size: 0, 100%;
}

.footer_content_copy {
  margin-left: auto;
}

/*======================================================================
  recommend
======================================================================*/
.recommend {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  padding-block: 4.8rem;
}

.recommend_title {
  text-align: center;
  font-size: 2.4rem;
  color: var(--color-primary);
}

.recommend_post {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
}

.recommend_new-post {
  padding-bottom: 2.4rem;
  border-bottom: 1px dashed var(--color-border);
}

.recommend_post_title {
  font-size: 2rem;
  color: var(--color-text);
}

.recommend_post_list {
  display: flex;
  flex-direction: column;
  gap: 1.6rem;
  padding-left: 2.4rem;
  list-style-type: disc;
}

.recommend_post_list_item a {
  font-weight: bold;
}

/*======================================================================
  index
======================================================================*/
.index {
  background: var(--color-secondary);
}

.index_head {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
  padding-block: 4.8rem;
}

.index_head_title {
  text-align: center;
  font-size: 2rem;
  color: var(--color-primary);
}
.index_head_title span {
  display: block;
  font-size: 2.4rem;
}

.index_cat {
  padding-block: 4.8rem;
  color: var(--color-white);
  background: var(--color-primary);
}

.index_cat_content {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.index_cat_content_title span {
  font-size: 2rem;
}

.index_cat_content_list {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.index_cat_content_list_item {
  display: flex;
  align-items: center;
  gap: 2.4rem;
  padding-bottom: 2.4rem;
  border-bottom: 1px dashed var(--color-white);
}
.index_cat_content_list_item:last-child {
  border: none;
}

.index_cat_content_list_item_info {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: .8rem;
}

.index_cat_content_list_item_info_title a {
  font-size: 2rem;
  color: var(--color-white);
}

.index_cat_content_list_item_more {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--color-white);
  border-radius: .4rem;
  font-size: 0;
}
.index_cat_content_list_item_more::before {
  display: block;
  content: "";
  width: .7rem;
  height: 1.2rem;
  background: url(images/arrow_wh.svg) no-repeat center, url(images/arrow_bl.svg) no-repeat center;
  background-size: 100%, 0;
}
.index_cat_content_list_item_more:hover::before {
  background-size: 0, 100%;
}
.index_cat_content_list_item_more:hover {
  background: var(--color-white);
}

.index_cat_content_img {
  overflow: hidden;
  border-radius: .8rem;
}

/*======================================================================
  category
======================================================================*/
.category {
  padding-block: 4.8rem;
  background: var(--color-secondary);
}

.category_content {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.category_content_img {
  width: 100%;
  height: 24rem;
  border-radius: .8rem;
}

.category_content_head {
  padding-bottom: 1.6rem;
  border-bottom: 1px solid var(--color-border);
}

.category_content_head_sub-title {
  color: var(--color-primary);
}

.category_content_head_title {
  font-size: 2.4rem;
}

.category_content_post {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.category_content_post_item {
  display: flex;
  flex-direction: column;
  gap: .8rem;
}

.category_content_post_item_title a {
  font-size: 2rem;
}

.category_content_post_item_img {
  width: 100%;
  height: 18rem;
  border-radius: .8rem;
}
.category_content_post_item_img:hover img {
  opacity: 1;
}
.category_content_post_item_img::after {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  content: '';
  width: 100%;
  height: 100%;
  background: #000;
  opacity: .5;
  pointer-events: none;
}
.category_content_post_item_img:hover::after {
  opacity: .1;
}

.category_content_post_item_img  time {
  position: absolute;
  top: 1.6rem;
  left: 1.6rem;
  z-index: 1;
  padding: .4rem .8rem;
  border: 1px solid var(--color-border);
  border-radius: .4rem;
  color: var(--color-text);
  background: var(--color-secondary);
}

.category_content_post_item_img_more {
  position: absolute;
  bottom: 1.6rem;
  right: 1.6rem;
  z-index: 1;
  padding-right: 3.8rem;
  font-weight: bold;
  text-decoration: underline;
  color: var(--color-white);
}
.category_content_post_item_img_more::before {
  display: block;
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--color-white);
  border-radius: .4rem;
}
.category_content_post_item_img:hover .category_content_post_item_img_more::before {
  background: var(--color-white);
}
.category_content_post_item_img_more::after {
  display: block;
  content: '';
  position: absolute;
  right: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  width: .7rem;
  height: 1.2rem;
  background: url(images/arrow_wh.svg) no-repeat center, url(images/arrow_bl.svg) no-repeat center;
  background-size: 100%, 0;
}
.category_content_post_item_img:hover .category_content_post_item_img_more::after {
  background-size: 0, 100%;
}

/*======================================================================
  detail
======================================================================*/
.detail {
  padding-block: 4.8rem;
  border-bottom: 1px solid var(--color-border);
}

.detail_content {
  display: flex;
  flex-direction: column;
  gap: 2.4rem;
}

.detail_content_head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.6rem;
}

.detail_content_head time {
  padding: .4rem .8rem;
  border: 1px solid var(--color-border);
  border-radius: .4rem;
  color: var(--color-text);
  background: var(--color-secondary);
}

.detail_content_head_title {
  font-size: 2.4rem;
}

.detail_content_post h3 {
  margin-bottom: 2.4rem;
  padding: 1.2rem 2.4rem 1.2rem 1.2rem;
  border-radius: 0 99rem 99rem 0;
  background: var(--color-secondary);
}
.detail_content_post h3:not(:first-child) {
  margin-top: 3.2rem;
}

.detail_content_post a {
  font-weight: bold;
  color: #1acf90;
}

.detail_content_post .link-item {
  display: inline-block;
  margin-block: 1em;
}

/*======================================================================
  sp
======================================================================*/
@media screen and (max-width: 690px) {
  .mv_content_head {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.6rem;
  }
}