@charset "utf-8";

@import url("https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400&display=swap");

/* ==========================================
   DESIGN TOKENS
   ========================================== */
:root {
  --color-white: #ffffff;
  --color-black: #0a0a0a;
  --color-text: #1a1a1a;
  --color-text-sub: #666666;
  --color-border: #e0e0e0;
  --color-bg-gray: #f5f5f5;
  --color-purple: #7b5a7e;
  --color-purple-dark: #5c3d5e;
  --color-purple-heading: #3a1e3c;
  --color-purple-accent: #9e52a2;
  --font-heading-en: "Montserrat", var(--font-en);
  --color-gold: #fee777;
  --color-footer-watermark: #eeeeee;

  --container-max: 75rem;
  --font-serif: "Noto Serif JP", "Yu Mincho", "游明朝", serif;
  --font-sans: "Noto Sans JP", "Yu Gothic", "游ゴシック", sans-serif;
  --font-en: "Poppins", var(--font-sans);

  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  --z-header: 5;
}

/* ==========================================
   BASE
   ========================================== */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-white);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: bottom;
}

main a {
  color: inherit;
  text-decoration: none;
  transition: all 0.2s ease;
}

main a:hover {
  opacity: 0.85;
}

/* Layout（BEM: レイアウト補助 .l- プレフィックス） */
.l-container {
  width: min(100% - 3rem, var(--container-max));
  margin-inline: auto;
}

/* ==========================================
   SECTION HEADING
   ========================================== */
.section-heading {
  margin-bottom: var(--space-md);
}

.section-heading__ja {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text);
  margin-bottom: 0.25rem;
}

.section-heading__en {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--color-purple-dark);
  line-height: 1.2;
}

/* ==========================================
   SITE HEADER
   ========================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  display: flex;
  width: 100%;
  min-width: 0;
  max-width: 100%;
}

.site-header__brand {
  width: 28.75rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  height: 5.5rem;
  padding: 0.75rem 2rem;
  background: var(--color-white);
  min-width: 0;
  position: relative;
  z-index: 2;
}

.site-header__logo {
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  margin-left: auto;
  /*ロゴが決まるまで非表示*/
  opacity: 0;
  display: none;
}

.site-header__title-group {
  min-width: 0;
  overflow: hidden;
}

.site-header__label {
  display: block;
  font-size: 0.8rem;
  line-height: 1.4;
  white-space: nowrap;
}

.site-header__name {
  display: block;
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  color: #1a1a1a;
}

/* 02_HEADER.png — 下層ページは黒背景（TOPは home.css で透過） */
.site-header__nav-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(0.75rem, 2vw, 2.5rem);
  height: 88px;
  min-height: 88px;
  min-width: 0;
  padding-left: 0;
  padding-right: clamp(1rem, 6vw, 6rem);
  background-color: #1a1a1a;
}

.site-header__nav {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 1.5rem;
  min-width: 0;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  height: 100%;
  padding-top: 1rem;
}

.site-header__link {
  height: 100%;
  display: flex;
  align-items: center;
  font-family: var(--font-sans);
  font-size: 1.1rem;
  line-height: 1.2;
  color: var(--color-white);
  white-space: nowrap;
  padding-bottom: 0.25rem;
  border-bottom: 3px solid transparent;
  text-decoration: none;
  transition: all .3s ease;
}

.site-header__link--active,
.site-header__link:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.site-header__lang {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 4.75rem;
  height: 1.5rem;
  background: var(--color-white);
  color: var(--color-text);
  font-family: var(--font-en);
  font-size: 1rem;
  text-decoration: none;
  margin-top: 0.6rem;
  transition: all .3s ease;
}

.site-header__lang--active,
.site-header__lang:hover{
  background: var(--color-gold);
}

/* ==========================================
   PAGE HERO (subpages)
   ========================================== */
.page-hero {
  padding: var(--space-lg) 0;
  background: var(--color-bg-gray);
  border-bottom: 1px solid var(--color-border);
}

.page-hero__title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

.page-hero__en {
  display: block;
  margin-top: 0.25rem;
  font-family: var(--font-en);
  font-size: 0.875rem;
  color: var(--color-purple);
  letter-spacing: 0.08em;
}

/* ==========================================
   PAGE SECTION
   ========================================== */
.page-section {
  padding: var(--space-xl) 0;
}

.page-section--gray {
  background: var(--color-bg-gray);
}

.page-section__body {
  max-width: 48rem;
}

.page-section__text + .page-section__text {
  margin-top: 1em;
}

/* ==========================================
   STATUS MESSAGE
   ========================================== */
.status-message {
  padding: var(--space-lg);
  text-align: center;
  color: var(--color-text-sub);
  border: 1px dashed var(--color-border);
  background: var(--color-white);
}

/* ==========================================
   CONTENT FIGURE
   ========================================== */
.content-figure {
  margin: var(--space-lg) 0;
  text-align: center;
}

.content-figure__image {
  max-width: 56rem;
  margin-inline: auto;
}

.content-figure + .content-figure {
  margin-top: var(--space-xl);
}

/* ==========================================
   NEWS CARD (shared)
   ========================================== */
.news-card {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

/* トップページグリッド内（03_NEWS.png） */
.news-card--grid {
  box-sizing: border-box;
  position: relative;
  width: calc((100% - 5rem) / 3);
  max-width: 100%;
  overflow: visible;
}

.news-card--grid a{
    display: block;
    width: 100%;
    transition: all 0.2s ease;
    padding: 0.5rem 0.5rem 0.75rem 0.5rem;
    border: 1px solid #fff;
}

.news-card--grid a:hover {
  transform: translateY(-0.25rem);
  background-color: #fff;
  border: 1px solid #eee;
  box-shadow: 0 0.5rem 1.25rem rgba(0, 0, 0, 0.12);
  opacity: 1;
}

.news-card--grid .news-card__thumb {
  flex-shrink: 0;
  width: 100%;
  height: 9rem;
  aspect-ratio: auto;
}

.news-card--grid .news-card__body {
  box-sizing: border-box;
  flex: 0 0 auto;
  width: auto;
  max-width: 100%;
  height: 10rem;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0.8rem 1rem 0 1rem;
}

.news-card--grid .news-card__meta {
  border-top: none;
}

/* 03_NEWS.png タイポグラフィ */
.news-card--grid .news-card__title {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0 0 0.5rem;
}

.news-card--grid .news-card__link {
  color: var(--color-text);
}

.news-card--grid .news-card__excerpt {
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-text);
  flex: 0 0 auto;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin: 0;
}

.news-card--grid .news-card__meta {
  margin-top: auto;
  padding-top: 0.5rem;
}

.news-card--grid .news-card__tag {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  line-height: 1.2;
  padding: 0.25rem 0.5rem;
}

.news-card--grid .news-card__date {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.2;
  color: var(--color-text);
}

  /* 3列: 行末以外のカード右に縦線（2列目の奇数ルールを上書き） */
  .news-card--grid:nth-child(odd)::after {
    content: none;
  }

  .news-card--grid:not(:nth-child(3n))::after {
    content: "";
    position: absolute;
    top: 0;
    right: -1.25rem;
    width: 1px;
    height: 100%;
    background: var(--color-border);
    pointer-events: none;
  }

/* ニュース一覧ページ */
.news-card--list {
  border: 1px solid var(--color-border);
}

.news-card__thumb {
  /*aspect-ratio: 16 / 10;
  background: #d9d9d9;*/
  overflow: hidden;
}

.news-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card__body {
  padding: var(--space-sm);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card__title {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

.news-card__excerpt {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
  flex: 1;
}

.news-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: var(--space-sm);
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-border);
}

.news-card__tag {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  font-size: 0.6875rem;
  color: var(--color-white);
  background: var(--color-black);
}

.news-card__date {
  font-size: 0.75rem;
  color: var(--color-text-sub);
}

/* ==========================================
   ORGANIZATION GROUP
   ========================================== */
.org-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.org-nav__link {
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  border: 1px solid var(--color-purple);
  color: var(--color-purple-dark);
}

.org-nav__link:hover,
.org-nav__link--active {
  background: var(--color-purple-dark);
  color: var(--color-white);
}

.org-group {
  padding: var(--space-lg) 0;
  border-bottom: 1px solid var(--color-border);
  scroll-margin-top: 6rem;
}

.org-group__title {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-purple-dark);
  margin-bottom: var(--space-sm);
}

.org-group__lead {
  margin-bottom: var(--space-md);
  color: var(--color-text-sub);
}

.org-group__list {
  display: grid;
  gap: var(--space-md);
  list-style: none;
}

@media (min-width: 48rem) {
  .org-group__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.org-member {
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
  background: var(--color-white);
}

.org-member__name {
  font-weight: 700;
  font-size: 1rem;
}

.org-member__role {
  font-size: 0.8125rem;
  color: var(--color-purple);
  margin: 0.25rem 0;
}

.org-member__affiliation {
  font-size: 0.8125rem;
  color: var(--color-text-sub);
}

/* ==========================================
   PUBLICATIONS LIST
   ========================================== */
.pub-year {
  margin-bottom: var(--space-lg);
}

.pub-year__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-purple);
  margin-bottom: var(--space-sm);
}

.pub-list {
  list-style: none;
}

.pub-list__item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.875rem;
  line-height: 1.6;
}

.pub-list__link {
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ==========================================
   VISION
   ========================================== */
.vision {
  padding: var(--space-xl) 0;
  background: var(--color-bg-gray);
}

.vision__diagram {
  margin: var(--space-md) auto var(--space-lg);
  max-width: 56rem;
  background: var(--color-white);
  padding: var(--space-sm);
  border: 1px solid var(--color-border);
}

.vision__text {
  max-width: 48rem;
  margin: 0 auto;
  text-align: justify;
}

.vision__signature {
  margin-top: var(--space-lg);
  text-align: right;
  font-size: 0.875rem;
}

.vision__signature-name {
  font-family: var(--font-serif);
  font-weight: 600;
}

.vision__signature-role {
  font-size: 20px;
}

.vision__signature-person {
  font-size: 24px;
}

.vision__signature-affil {
  color: var(--color-text-sub);
  margin-top: 0.25rem;
}

/* ==========================================
   SPONSOR
   ========================================== */
.sponsor {
  padding: var(--space-lg) 0;
  background: var(--color-white);
  border-top: 1px solid #ccc;
}

.sponsor__inner {
  width: 75rem;
  margin-inline: auto;
  margin-top: 3.125rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}

.sponsor__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
}

.sponsor__image {
  display: block;
  height: auto;
}

.sponsor__image--row {
  width: 17.5rem;
}

/* ==========================================
   SITE FOOTER — 07_FOOTER.png
   ========================================== */
.site-footer {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 75rem;
  margin: 0 auto;
  min-height: 15.5rem;
  box-sizing: border-box;
  padding: 0;
  background: var(--color-white);
  overflow: hidden;
}

.footer_inner{
  display: flex;
  justify-content: center;
  gap: 4rem;
  margin-top: 1.5rem;
}

.footer_inner .f_nav{
    display: flex;
    justify-content: flex-start;
    gap: 4rem;
    margin-top: 2rem;
}

.footer_inner .f_nav ul{
  list-style: none;
}

.footer_inner .f_nav ul li{
  margin-bottom: 1.5rem;
}

.footer_inner .f_nav ul li a{
  color: #222;
  text-decoration: none;
  font-weight: 600;
}

.footer_inner .f_nav ul li a:hover{
  text-decoration: underline;
}

.site-footer__watermark {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  align-self: flex-start;
  width: max-content;
  margin: 0;
  /*padding-left: 4rem;
  padding-top: 1.5rem;*/
  padding-bottom: 1rem;
  font-family: var(--font-heading-en);
  color: var(--color-footer-watermark);
  pointer-events: none;
  user-select: none;
}

/* 07_FOOTER.png 1行目: Montserrat Light 96 / 行間96 */
.site-footer__watermark-line {
  display: block;
}

.site-footer__watermark-line--1 {
  font-weight: 300;
  font-size: clamp(2.5rem, 6.667vw, 96px);
  line-height: 1;
  letter-spacing: 0;
}

/* 07_FOOTER.png 2・3行目: Montserrat Regular 64 / 行間64 / 右揃え */
.site-footer__watermark-line--2,
.site-footer__watermark-line--3 {
  font-weight: 400;
  font-size: clamp(1.75rem, 4.444vw, 64px);
  line-height: 1;
  letter-spacing: 0;
  text-align: right;
}

.site-footer__copyright {
  flex: 0 0 auto;
  margin: 0;
  text-align: center;
  font-family: var(--font-en);
  font-size: 1rem;
  /*font-weight: 500;*/
  line-height: 1.5rem;
  letter-spacing: 0;
  color: var(--color-text-sub);
  padding: 3rem 1.5rem;
}

/*-----nav_oc-----*/
.nav_oc{
    display: block;
    width: 4rem;
    height: 4rem;
    position: fixed;
    top: 0.5rem;
    right: 0.5rem;
    z-index: 11;
    transition: .3s all ease;
}

/*PCでは非表示*/
.nav_oc{
    display: none;
}
/*//PCでは非表示*/

/*
.small_header .nav_oc{
    width: calc(6rem * 0.8);
    height:  calc(5.625rem * 0.8);
}
*/
    .menu-trigger{
        width: 100%;
        height: 100%;
        padding: 0;
        border: none;
        background: #7C4080;
        cursor: pointer;
        outline: none;
        display: flex;
        border-radius: 50%;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        box-shadow: 0px 0px 3px 1px rgba(0, 0, 0, 0.15);
        transition: .3s all ease;
    }

        .menu-trigger .lines{
            position: relative;
            display: block;
            width: 2rem;
            height: 1.5rem;
            transition: .3s all ease;
        }

            .menu-trigger .lines span {
                display: inline-block;
                transition: all .4s;
                box-sizing: border-box;
                background-color: #fff;
                position: absolute;
                width: 2rem;
                left: 0;
                height: 2px;
            }

            .menu-trigger .lines span:nth-of-type(1) {
                top: 0;
            }

            .menu-trigger .lines span:nth-of-type(2) {
                top: calc(50% - 1px);
            }
            .menu-trigger .lines span:nth-of-type(3) {
                bottom: 0;
            }

            .menu-trigger.active .lines span{
                background-color: #fff;
            }

            .small_header .menu-trigger .lines span{
                background-color: #fff;
            }

            .menu-trigger.active .lines span:nth-of-type(1) {
                transform: translateY(0.65rem) rotate(-315deg);
            }

            .menu-trigger.active .lines span:nth-of-type(2) {
                opacity: 0;
            }

            .menu-trigger.active .lines span:nth-of-type(3) {
                transform: translateY(-0.7rem) rotate(315deg);
            }

        .menu-trigger .lbl{
            display: none;
            color: #fff;
            font-size: 0.9rem;
            line-height: 1;
            font-weight: 500;
            margin-top: 0.6rem;
        }

/*-----side_nav-----*/
.side_nav{
    box-sizing: border-box;
    position: fixed;
    top: 0;
    right: 0;
    z-index: -1;
    opacity: 0;
    width: 15.25rem;
    height: 100%;
    transition: .3s all ease;
    background: rgba(255,255,255,0);
    align-items: flex-start;
    justify-content: center;
    padding-top: 1vh;
}

.side_nav.active{
    z-index: 10;
    opacity: 1;
    background: #1a1a1a;
    box-shadow: -10px 0 20px -20px rgba(0,0,0,0.5);
}


    .side_nav .site_search{
        display: none;
    }

    .side_nav .side_global_nav{
        box-sizing: border-box;
        width: 100%;
        padding: 5rem 0 0 0;
        margin-top: 0;
        display: flex;
        justify-content: center;
        line-height: 1.5;
    }

        .side_nav .side_global_nav > ul{
            list-style: none;
            box-sizing: border-box;
            width: 100%;
            padding: 0 1rem;
        }

            .side_nav .side_global_nav > ul > li{
                position: relative;
                margin-bottom: 0;
                border-bottom: 1px solid #ccc;
            }

            .side_nav .side_global_nav > ul > li > a{
                display: block;
                font-size: 1.15em;
                padding: 1rem 0.8rem;
                color: #fff;
                text-decoration: none;
                position: relative;
                transition: .3s all ease;
            }

            .side_nav .side_global_nav > ul > li > a::after{
                font-family: FontAwesome;
                content: "\f105";
                font-size: 1.5rem;
                color: #fff;
                position: absolute;
                top: calc(50% - 1rem);
                right: 1rem;
            }


            .side_nav .side_global_nav > ul > li > ul{
                display: none;
                margin-left: 1rem;
            }
            
            .side_nav .side_global_nav > ul > li > ul > li{
                margin-top: 0.7rem;
                padding-left: 1.2rem;
                position: relative;
            }

            .side_nav .side_global_nav > ul > li > ul > li::before{
                content:"";
                width: 0.7rem;
                aspect-ratio: 1 / 1;
                background: url(../shared/icon_arrow_bk.png) no-repeat;
                background-size: contain;
                position: absolute;
                top: calc(50% - 0.35rem);
                left: 0;
            }

            .side_nav .side_global_nav > ul > li > ul > li > a{
                color: #222;
                text-decoration: none;
                font-weight: 600;
            }

            .side_nav .side_global_nav > ul > li > ul > li > a:hover{
                text-decoration: underline;
            }

            .side_entry_btn{
                width: 80%;
                line-height: 1.5;
                margin: 2rem auto 0 auto;
            }

            .side_entry_btn a{
                display: block;
                font-size: 1.1rem;
                padding: 1rem;
                text-align: center;
                background: #976504;
                color: #fff;
                border-radius: 0.4rem;
                font-weight: 600;
                position: relative;
                text-decoration: none;
            }

            .side_entry_btn a::after {
                content: "";
                display: block;
                width: 0.8rem;
                aspect-ratio: 1 / 1;
                background: url(../shared/icon_arrow_w.png) no-repeat;
                background-size: contain;
                position: absolute;
                top: calc(50% - 0.4rem);
                right: 1rem;
            }



/*ページトップ*/
.pagetop{
    width:4.5rem;
    height:4.5rem;
    position:fixed;
    bottom:7.5rem;
    right:3.75rem;
    z-index:9;
    transform:translateY(6.25rem);
    transition:.3s all ease;
    opacity:0;
}

.pagetop.show{
    transform:translateY(0);
    opacity:1;
}

    .pagetop a{
        display: flex;
        justify-content: center;
        align-items: center;
        transition:.5s all ease;
        width:100%;
        height:100%;
        background: #212121;
        border-radius: 50%;
        text-decoration: none;
    }
    
    .pagetop a:hover{
        filter: brightness(1.1);
    }

    .pagetop a:before{
        font-family: FontAwesome;
        content:"\f106";
        color: #fff;
        font-size: 2rem;
    }

/*改行のPC,SPでの表示切替*/
br.pc,
img.pc,
span.pc{
    display:inline;
}

br.sp,
img.sp,
span.sp{
    display:none;
}

/*1440px以下*/
@media screen and (min-width:1px) and (max-width:1440px){
  .site-header__nav{
    gap: 1.2rem;
  }

  .site-header__brand{
    width: auto;
  }

  .site-header__link{
    font-size: 1rem;
  }

  .site-header__nav-wrap{
    padding-right: 1rem;
  }

}

/*1200px以下*/
@media screen and (min-width:1px) and (max-width:1200px){
  .sponsor__inner {
    width: 64rem;
  }

  .site-header__brand{
    padding: 0.75rem 0.7rem 0.75rem 1rem;
  }

  .site-footer {
    max-width: 64rem;
  }

  .site-header__nav{
    gap: 0.8rem;
  }

  .site-header__link{
    font-size: 0.95rem;
  }


}

/*ipad*/
@media screen and (min-width:1px) and (max-width:1024px){
  html {
    font-size: 1.6vw;
  }

  .sponsor__inner {
    width: 95vw;
  }

  .site-footer {
    max-width: 95vw;
  }

  .site-header__nav-wrap{
    height: 5.5rem;
    min-height: 5.5rem;
  }

  .site-header__logo{
    width: 3.5rem;
    height: 3.5rem;
  }

  .site-header__label{
    font-size: 0.75rem;
  }

  .site-header__link{
    font-size: 0.9rem;
  }

  .site-header__name{
    font-size: 2rem;
  }

  .site-header__nav{
    gap: 0.7rem;
  }

}

/* ##########SP########## */
@media screen and (min-width:1px) and (max-width:479px) {
  html{
    font-size: 3.6vw;
    min-width: auto;
  }

  .news-card--grid::after {
    display: none;
  }

  .site-header__nav-wrap{
    display: none;
  }

  .nav_oc{
      display: block;
  }

  .news-card--grid .news-card__body{
    padding: 0.8rem 0.5rem 0 0.5rem;
  }

  .news-card--grid .news-card__thumb{
    height: auto;
    aspect-ratio: 16 / 8;
  }

  .sponsor{
    padding: 2rem 0;
  }

  .sponsor__inner{
    width: 95vw;
    margin-top: 0;
    gap: 1.5rem;
  }

  .sponsor__image{
    width: 60vw;
  }

  .sponsor__image--row{
    width: 30vw;
  }

  .sponsor__row{
    gap: 2vw;
  }

  .site-footer{
    min-height: unset;
  }

  .site-footer__watermark{
    flex: unset;
    flex-direction: row;
    justify-content: center;
    align-self: center;
    gap: 0.5rem;
    padding-left: 0;
    padding-top: 0;
    padding-bottom: 0;
    color: #dddddd;
  }

  .site-footer__watermark-line--1{
    font-size: 1.5rem;
    font-weight: 400;
  }

  .site-footer__watermark-line--2{
    font-size: 1.5rem;
    font-weight: 400;
  }

  .site-footer__watermark-line--3{
    font-size: 1.5rem;
    font-weight: 400;
  }

  .footer_inner{
    margin-top: 0;
  }

  .footer_inner .f_nav{
    display: none;
  }

  .site-footer__copyright{
    padding: 2rem 0.5rem 1rem 0.5rem;
    font-size: 0.9rem;
  }

    /*改行のPC,SPでの表示切替*/
    br.pc,
    img.pc,
    span.pc{
        display:none;
    }

    br.sp,
    img.sp,
    span.sp{
        display:inline;
    }
    
    /*ページトップ*/
    .pagetop{
        width:14vw;
        height:14vw;
        bottom:16vw;
        right:4vw;
    }
}