@charset "UTF-8";
/*-------------------------------------------------- reset
--------------------------------------------------*/
li { list-style: none; }

img { max-width: 100%; }

a { display: block; text-decoration: none; }

button { outline: none; }

/*-------------------------------------------------- common
--------------------------------------------------*/
html { font-size: 62.5%; /* 10px */ }

body { font-size: 1.6em; /* 1.6em（16pxと同等） */ }

html, body { background-color: #19191b; }

/* タグ */
.tag-list { display: flex; flex-wrap: wrap; }
.tag-list__item { margin-bottom: 8px; }

.tag { padding: 6px 13px 4px 13px; border-width: 1.5px; border-style: solid; border-radius: 50px; overflow: hidden; font-size: 11px; transition: opacity .2s; }
@media screen and (min-width: 1024px) { .tag:hover { opacity: 0.5; } }
.tag--important { padding: 6px 13px 4px 13px; border-width: 1.5px; border-style: solid; border-radius: 50px; overflow: hidden; font-size: 11px; transition: opacity .2s; }
@media screen and (min-width: 1024px) { .tag--important:hover { opacity: 0.5; } }

/* スクロールバー */
.mCSB_inside > .mCSB_container { margin-right: 60px; }
@media screen and (max-width: 1023px) { .mCSB_inside > .mCSB_container { margin-right: calc(60 / 1024 * 100%); } }

/*--------------------------------------------------
	レイアウト
--------------------------------------------------*/
#wrapper { position: relative; background-image: url(../images/bg.jpg); background-position: center top; background-repeat: no-repeat; width: 100%; min-height: 100vh; padding-top: 66px; font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", sans-serif; font-weight: 500; overflow: hidden; z-index: 1; }
@media screen and (min-width: 1024px) { #wrapper { background-size: cover; background-attachment: fixed; } }
@media screen and (max-width: 1023px) { #wrapper { padding-top: calc(66 / 1024 * 100%); } }
#wrapper::after { content: ""; position: fixed; bottom: 0; width: 100%; height: 50%; background-image: linear-gradient(180deg, rgba(25, 25, 27, 0) 0%, #19191b 100%); z-index: -1; }

/* IE11 */
_:-ms-lang(x)::-ms-backdrop, #wrapper { background-image: url(../images/bg_ie_dark.jpg); background-size: auto !important; background-attachment: inherit !important; }

/* Edge */
_:-ms-lang(x)::backdrop, #wrapper { background-image: url(../images/bg_ie_dark.jpg); background-size: auto !important; background-attachment: inherit !important; }

main { position: relative; width: 100%; max-width: 1024px; margin: auto; }

.ttl_logo { width: 127px; margin: 0 auto 52px; }
@media screen and (max-width: 1023px) { .ttl_logo { width: 80px; margin-bottom: calc(52 / 1920 * 100%); } }

.logo path { fill: #151515; }

/*--------------------------------------------------
	サイドメニュー
--------------------------------------------------*/
.side-menu { position: absolute; top: 0; left: -88px; width: 88px; text-align: center; z-index: 5; }
.side-menu--fixed { position: fixed; left: calc(-1024px - 88px); right: 0; margin: auto; }
@media screen and (max-width: 1023px) { .side-menu { position: fixed; left: inherit; right: inherit; display: flex; justify-content: space-between; width: 100%; min-height: 55px; pointer-events: none; }
  .side-menu__menu-list { display: flex; justify-content: space-around; align-items: center; width: calc(100% - 55px); transform: translateX(-150%); transition: all .5s; pointer-events: auto; }
  .side-menu__menu-list--open { transform: translateX(0); } }
.side-menu__menu { position: relative; }
@media screen and (max-width: 1023px) { .side-menu__menu { width: calc(100% / 5); height: 100%; } }
.side-menu__nav { display: none; }
.side-menu__btn { width: 100%; height: 100px; display: flex; justify-content: center; align-items: center; }
@media screen and (max-width: 1023px) { .side-menu__btn { height: 100%; } }
.side-menu__btn-index { height: 142px; border-bottom-width: 1px; border-bottom-style: solid; }
@media screen and (max-width: 1023px) { .side-menu__btn-index { display: none; } }
.side-menu__btn-top { height: 87px; border-top-width: 1px; border-top-style: solid; }
@media screen and (max-width: 1023px) { .side-menu__btn-top { display: none; } }
.side-menu__btn-theme:not(.active) { display: none; }

.btn-menu { position: relative; z-index: 1; padding: 5px; pointer-events: auto; display: none; }
@media screen and (max-width: 1023px) { .btn-menu { display: block; } }
.btn-menu__wrap { position: relative; width: calc(55px - 5px); height: calc(55px - 5px); border-radius: 50px; overflow: hidden; }
.btn-menu__line { position: absolute; top: 0; bottom: 0; left: 0; right: 0; width: 25px; height: 3px; margin: auto; transition: all .3s; }
.btn-menu__line::before, .btn-menu__line::after { content: ""; position: absolute; left: 0; width: 100%; height: 100%; transition: all .3s; }
.btn-menu__line::before { top: -7px; }
.btn-menu__line::after { bottom: -7px; }
.btn-menu--open .btn-menu__line::before { top: 0; transform: rotate(45deg); }
.btn-menu--open .btn-menu__line::after { bottom: 0; transform: rotate(-45deg); }

.side-menu__lightbox { position: absolute; top: -100px; left: 88px; display: none; }
.side-menu__lightbox .lightbox__window::after { top: 140px; }
@media screen and (max-width: 1023px) { .side-menu__lightbox { position: fixed; top: inherit; left: -60px; width: 100vw; height: calc(100vh - 60px); overflow: hidden; } }
@media screen and (min-width: 1024px) { .side-menu__lightbox-tag .lightbox__window { width: 980px; padding: 60px 0 60px 60px; }
  .side-menu__lightbox-tag .lightbox__ttl { margin-right: 60px; } }
@media screen and (min-width: 1024px) { .side-menu__lightbox-archive .lightbox__window { width: 484px; padding: 60px 0 60px 60px; }
  .side-menu__lightbox-archive .lightbox__ttl { margin-right: 60px; } }
@media screen and (min-width: 1024px) { .side-menu__lightbox-hot .lightbox__window { width: 980px; } }
@media screen and (min-width: 1024px) { .side-menu__lightbox-nav .lightbox__window { padding: 60px 0 60px 60px; width: 454px; }
  .side-menu__lightbox-nav .lightbox__ttl { margin-bottom: 50px; margin-right: 60px; } }

.lightbox__window { position: relative; margin-left: 20px; padding: 80px; border-left-width: 2px; border-left-style: solid; }
@media screen and (min-width: 1024px) { .lightbox__window::after { content: ""; position: absolute; left: -12px; width: 0; height: 0; border-width: 9px 10px 9px 0; border-style: solid; } }
@media screen and (max-width: 1023px) { .lightbox__window { height: 100%; margin-left: 0; padding: calc(60 / 1024 * 100%); overflow-y: scroll; } }

@media screen and (max-width: 1023px) { _:-ms-lang(x), .lightbox__window { overflow-y: auto; } }
.lightbox__ttl { margin-bottom: calc(60 / 1024 * 100%); }
@media screen and (min-width: 1024px) { .lightbox__tag-list { max-height: 200px; } }
.lightbox__tag-list .tag-list { justify-content: center; }

.tag-list__item { margin-left: calc(8px / 2); margin-right: calc(8px / 2); }

/* アーカイブ */
.archive-list { font-weight: bold; }
@media screen and (min-width: 1024px) { .archive-list { max-height: 273px; } }
.archive-list__block { display: flex; width: 100%; }
.archive-list__block:not(:last-of-type) { margin-bottom: 36px; }
.archive-list__year { position: relative; margin-right: 45px; }
.archive-list__year:after { content: ""; position: absolute; top: 5px; right: calc(-45px / 2); width: 2px; height: calc(100% - 15px); }
.archive-list__year + dd { width: 100%; }
.archive-list__month { display: flex; flex-wrap: wrap; width: 100%; margin: -5px 0 0 -15px; }

.archive__month { margin-left: 7px; }
.archive__month--dis { margin-left: 7px; }
.archive__month a { transition: opacity .2s; }
@media screen and (min-width: 1024px) { .archive__month a:hover { opacity: 0.5; } }

.archive__link { display: block; padding: 6px 10px; }

/* 注目の記事 */
.hot-list { display: flex; justify-content: space-between; margin-top: -5px; }
@media screen and (min-width: 1024px) { .hot-list__link:hover .article__ttl { text-decoration: underline; } }
@media screen and (max-width: 1023px) { .hot-list { flex-wrap: wrap; } }
.hot-list__block { text-align: left; }
@media screen and (min-width: 1024px) { .hot-list__block { width: 220px; } }
@media screen and (max-width: 1023px) { .hot-list__block { width: 100%; margin-bottom: calc(20 / 1024 * 100%); } }
.hot-list__wrap { display: flex; }
.hot-list__rank { font-weight: bold; position: relative; margin-right: 30px; }
.hot-list__rank:after { content: ""; position: absolute; top: 5px; right: calc(-30px / 2); width: 2px; height: calc(100% - 5px); }
.hot-list__article { padding-top: 5px; }

.lightbox__ttl { font-size: 24px; }

/* アーカイブ */
.archive-list { font-size: 16px; }
.archive-list__year { font-size: 14px; }

/* 注目の記事 */
.hot-list { font-size: 11px; }
.hot-list__rank { font-size: 30px; }
.hot-list__ttl { font-size: 14px; }

/*--------------------------------------------------
	コンテンツ領域
--------------------------------------------------*/
.contents { position: relative; width: 100%; min-height: calc(100px * 4 + 142px + 87px); font-size: 11px; }
.contents__header { position: relative; height: 80px; margin-bottom: calc(120 / 1024 * 100%); }
.contents__ttl { position: absolute; bottom: 0; left: calc(64 / 1024 * 100%); height: 48px; transition: opacity .2s; }
@media screen and (min-width: 1024px) { .contents__ttl:hover { opacity: 0.7; } }

/*-------------------------------------------------- 記事一覧
--------------------------------------------------*/
.article__ttl { font-weight: bold; }

/*--------------------------------------
portal bar
--------------------------------------*/
#portalbar { min-width: 100% !important; }
#portalbar .pbar_logo, #portalbar .pbar_left li, #portalbar .pbar_right li { box-sizing: content-box; }
@media screen and (max-width: 1023px) { #portalbar { display: none; } }

/*--------------------------------------
footer
--------------------------------------*/
footer { margin-top: calc(110 / 1024 * 100%); padding: calc(25 / 1024 * 100%) calc(10 / 1024 * 100%); font-size: 1rem; text-align: center; }

/*--------------------------------------
mCustomScrollbar上書き
--------------------------------------*/
.mCSB_scrollTools .mCSB_draggerRail { display: none; }

.mCSB_scrollTools { width: 4px; }

/*--------------------------------------------------
	コンテンツ領域
--------------------------------------------------*/
.contents__header { margin-bottom: calc(120 / 1024 * 100%); }
.contents__pager { display: flex; justify-content: center; margin-top: 32px; }
.contents__pager .pager__btn { margin: 0 calc(7 / 1024 * 100%); }
.contents__pager .pager__btn.on { border: 1px solid; }
.contents__pager .pager__btn-prev { margin-right: calc(27 / 1024 * 100%); }
.contents__pager .pager__btn-next { margin-left: calc(27 / 1024 * 100%); }
.contents__pager .pager__btn a { transition: opacity .2s; }
@media screen and (min-width: 1024px) { .contents__pager .pager__btn a:hover { opacity: 0.5; } }
.contents__pager .pager__link { display: block; padding: 10px; }

.filter__category { position: absolute; bottom: 0; left: 0; right: 0; display: flex; justify-content: center; align-items: center; width: 48px; height: 100%; margin: auto; }
.filter__category::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 0; border-style: solid; border-width: 0 24px 10px 24px; }
.filter__word { position: absolute; bottom: 0; right: calc(48 / 1024 * 100%); width: calc(100% / 3); max-width: 400px; text-align: right; font-weight: bold; border-bottom-width: 2px; border-bottom-style: solid; }

.contents__pager { font-size: 10px; }

.filter__word { font-size: 14px; }

/*--------------------------------------------------
	記事一覧
--------------------------------------------------*/
.article-list { position: relative; display: flex; flex-wrap: wrap; padding-bottom: calc(90 / 1024 * 100%); z-index: 1; }
.article-list::before { content: ""; position: absolute; top: 0; left: 0; right: 0; width: 2px; height: 100%; margin: auto; z-index: -1; }
@media screen and (max-width: 1023px) { .article-list::before { left: calc(1% + 72px / 2); right: inherit; } }

.article-list__info { position: relative; width: 50%; padding: 0 calc(64 / 1024 * 100%); text-align: right; }
@media screen and (max-width: 1023px) { .article-list__info { width: 100%; padding-left: calc(1% + 72px); } }
.article-list__info-sub { position: relative; display: flex; justify-content: flex-end; padding-bottom: 12px; }
.article-list__info-sub::after { content: ""; position: absolute; bottom: 0; right: 0; width: 24px; height: 1px; background-color: #48484e; }
.article-list__date { position: relative; display: inline; margin-right: -5px; font-weight: bold; letter-spacing: 5px; }
.article-list__date--new { position: relative; display: inline; margin-right: -5px; font-weight: bold; letter-spacing: 5px; }
.article-list__date--new::after { content: "NEW"; position: absolute; top: 4px; left: calc(-30px - 8px); padding: 0 7px 1px 4px; font-family: 'MS UI Gothic','ヒラギノ角ゴシック','Hiragino Sans','Arial',sans-serif; font-weight: normal; letter-spacing: 0; z-index: 1; }
.article-list__thumb { border-width: 4px; border-style: solid; }
.article-list__icon { border-width: 2px; border-style: solid; }
.article-list__update { margin-right: 16px; }
.article-list__tag-list { justify-content: flex-end; margin-top: 26px; }
@media screen and (max-width: 1023px) { .article-list__tag-list { display: none; } }
.article-list__tag-list .tag-list__tag { margin-left: 8px; }

@media screen and (min-width: 1024px) { .article-list__link:hover .article__ttl { text-decoration: underline; } }
.article-list__content { width: 50%; padding: 0 calc(64 / 1024 * 100%); }
@media screen and (max-width: 1023px) { .article-list__content { width: 100%; padding-left: calc(1% + 72px); } }
.article-list__ttl { margin-bottom: 10px; }

.article-list__img { position: absolute; top: 0; left: 0; right: 0; width: 72px; margin: auto; }
@media screen and (max-width: 1023px) { .article-list__img { left: 1%; right: inherit; } }
.article-list__thumb { width: 72px; height: 72px; border-radius: 50px; overflow: hidden; margin-bottom: 5px; }
.article-list__icon { width: 24px; height: 24px; border-radius: 50px; overflow: hidden; margin: auto; display: flex; justify-content: center; align-items: center; }

.article-list__date { font-size: 20px; }
.article-list__date--new { font-size: 20px; }
.article-list__date--new::after { font-size: 9px; }

.article-list__ttl { font-size: 24px; }
.article-list__txt { font-size: 13px; }