/* 共有スタイル: NEWS/活動アーカイブ + 個別記事ページ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{--yellow:#FFE500;--black:#0A0A0A;--dark:#141414;--gray-900:#1A1A1A;--gray-800:#2A2A2A;--gray-700:#3A3A3A;--gray-400:#B4B4B4;--gray-300:#DCDCDC;--white:#FFFFFF;--font-en:'Inter',sans-serif;--font-ja:'Noto Sans JP',sans-serif}
html{scroll-behavior:smooth}
body{font-family:var(--font-ja);background:var(--black);color:var(--white);line-height:1.9;overflow-x:hidden}
a{color:inherit}
header{position:fixed;top:0;left:0;right:0;z-index:1000;padding:0 2rem;height:72px;display:flex;align-items:center;justify-content:space-between;background:rgba(10,10,10,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,229,0,0.1)}
header.scrolled{background:rgba(10,10,10,0.95);border-bottom-color:rgba(255,229,0,0.3)}
.logo{display:flex;align-items:center;gap:.75rem;text-decoration:none;color:var(--white)}
.logo-img{height:40px;width:auto;display:block;border-radius:8px}
.logo-text{font-family:var(--font-en);font-weight:700;font-size:1.1rem;letter-spacing:.08em}
.logo-text span{color:var(--yellow)}
nav{display:flex;align-items:center;gap:1.75rem}
nav a{color:var(--gray-400);text-decoration:none;font-size:1.05rem;font-weight:500;letter-spacing:.05em;transition:color .3s;font-family:var(--font-en)}
nav a:hover,nav a.active{color:var(--yellow)}
.nav-cta{background:var(--yellow);color:var(--black)!important;padding:.5rem 1.25rem;border-radius:100px;font-weight:600!important}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:none}
.hamburger span{width:24px;height:2px;background:var(--white);transition:all .3s;display:block}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.mobile-nav{display:none;position:fixed;inset:0;z-index:999;background:rgba(10,10,10,0.98);flex-direction:column;align-items:center;justify-content:center;gap:1.75rem}
.mobile-nav.active{display:flex}
.mobile-nav a{color:var(--white);text-decoration:none;font-size:1.4rem;font-weight:600}
.mobile-nav a:hover{color:var(--yellow)}
.container{max-width:1080px;margin:0 auto}
.section-label{font-family:var(--font-en);font-size:1.05rem;font-weight:600;letter-spacing:.15em;text-transform:uppercase;color:var(--yellow);margin-bottom:.6rem}
.breadcrumb{margin-bottom:1.25rem;font-size:1rem;color:var(--gray-400)}
.breadcrumb a{color:var(--gray-400);text-decoration:none}
.breadcrumb a:hover{color:var(--yellow)}
.page-hero{padding:120px 2rem 1rem;text-align:center}
.page-hero h1{font-size:clamp(1.6rem,3.6vw,2.4rem);font-weight:900;margin-bottom:.6rem;line-height:1.5}
.page-hero>p{font-size:1.15rem;color:var(--gray-300);max-width:680px;margin:0 auto;line-height:2}
section{padding:2.5rem 2rem}
/* FILTERS */
.filters{max-width:1080px;margin:0 auto 1.5rem;display:flex;flex-direction:column;gap:1rem}
.filter-row{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.chip{background:var(--gray-900);border:1px solid var(--gray-800);color:var(--gray-300);font-size:1rem;font-weight:600;padding:.4rem 1rem;border-radius:100px;cursor:pointer;transition:all .2s;font-family:var(--font-ja)}
.chip:hover{border-color:var(--yellow);color:var(--yellow)}
.chip.active{background:var(--yellow);color:var(--black);border-color:var(--yellow)}
.search-box{flex:1;min-width:200px;background:var(--gray-900);border:1px solid var(--gray-800);border-radius:100px;padding:.55rem 1.25rem;color:var(--white);font-size:1.05rem;font-family:var(--font-ja)}
.search-box:focus{outline:none;border-color:var(--yellow)}
.result-count{font-size:1rem;color:var(--gray-400);margin-bottom:1rem;text-align:center}
/* GRID */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.card{display:flex;flex-direction:column;background:var(--gray-900);border:1px solid var(--gray-800);border-radius:14px;overflow:hidden;text-decoration:none;color:var(--white);transition:transform .3s,border-color .3s}
.card:hover{transform:translateY(-4px);border-color:var(--yellow)}
.card-img{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#242424,#171717);position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-noimg{display:flex;align-items:center;justify-content:center;height:100%;color:var(--gray-700);font-family:var(--font-en);font-size:.95rem;letter-spacing:.1em}
.card-body{padding:1.1rem 1.3rem 1.4rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.card-meta{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap}
.card-tag{font-size:.82rem;font-weight:700;color:var(--black);background:var(--yellow);padding:.12rem .65rem;border-radius:100px}
.card-tag.gomi{background:#2e7d32;color:#fff}
.card-date{font-family:var(--font-en);font-size:.95rem;color:var(--gray-400);font-weight:600}
.card h3{font-size:1.1rem;font-weight:700;line-height:1.5}
.card p{font-size:1rem;color:var(--gray-400);line-height:1.7}
.loadmore{display:block;margin:2.5rem auto 0;padding:.85rem 2.5rem;background:transparent;border:1px solid var(--gray-700);color:var(--white);border-radius:100px;font-size:1.1rem;font-weight:600;cursor:pointer;font-family:var(--font-ja);transition:all .3s}
.loadmore:hover{border-color:var(--yellow);color:var(--yellow)}
/* ARTICLE */
.article{max-width:820px;margin:0 auto}
.article .a-meta{display:flex;gap:.7rem;align-items:center;justify-content:center;margin-bottom:1rem;flex-wrap:wrap}
.article .a-tag{font-size:.95rem;font-weight:700;color:var(--black);background:var(--yellow);padding:.2rem .9rem;border-radius:100px}
.article .a-date{font-family:var(--font-en);font-size:1.05rem;color:var(--gray-400);font-weight:600}
.article-body{font-size:1.2rem;color:var(--gray-300);line-height:2.1;margin-top:1.5rem}
.article-body p{margin-bottom:1.2rem}
.article-gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:.8rem;margin-top:2rem}
.article-gallery a{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--gray-800);aspect-ratio:4/3}
.article-gallery img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.article-gallery a:hover img{transform:scale(1.06)}
.article-video{position:relative;max-width:760px;margin:1.5rem auto 0;aspect-ratio:16/9;border-radius:12px;overflow:hidden;border:1px solid var(--gray-800)}
.article-video iframe{width:100%;height:100%;border:0}
.video-label{max-width:760px;margin:2rem auto .5rem;font-family:var(--font-en);font-size:1.05rem;font-weight:600;letter-spacing:.1em;color:var(--yellow);text-transform:uppercase}
.backrow{max-width:820px;margin:2.5rem auto 0;display:flex;gap:1rem;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.8rem 1.8rem;border-radius:100px;font-size:1.15rem;font-weight:600;text-decoration:none;transition:all .3s;border:none;font-family:var(--font-ja);cursor:pointer}
.btn-primary{background:var(--yellow);color:var(--black)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,229,0,0.3)}
.btn-outline{background:transparent;color:var(--white);border:1px solid var(--gray-700)}
.btn-outline:hover{border-color:var(--yellow);color:var(--yellow)}
footer{background:var(--dark);border-top:1px solid var(--gray-800);padding:2rem;text-align:center;margin-top:3rem}
footer p{font-size:1.1rem;color:var(--gray-700);font-family:var(--font-en)}
footer a{color:var(--gray-400);text-decoration:none}
footer a:hover{color:var(--yellow)}
.lang-switcher{position:relative;display:inline-block}
.lang-btn{background:none;border:1px solid var(--gray-700);color:var(--gray-400);padding:.28rem .7rem;border-radius:100px;font-size:.75rem;font-weight:700;cursor:pointer;font-family:var(--font-en);letter-spacing:.05em;transition:all .3s;display:inline-flex;align-items:center;gap:.3rem}
.lang-btn:hover,.lang-switcher.open .lang-btn{border-color:var(--yellow);color:var(--yellow)}
.lang-menu{display:none;position:absolute;top:calc(100% + 8px);right:0;background:var(--gray-900);border:1px solid var(--gray-800);border-radius:12px;padding:.5rem;min-width:110px;z-index:200;box-shadow:0 8px 24px rgba(0,0,0,.4)}
.lang-switcher.open .lang-menu{display:block}
.lang-menu a{display:block;padding:.4rem .75rem;color:var(--gray-400);text-decoration:none;font-size:.82rem;font-weight:600;border-radius:8px;transition:all .2s;font-family:var(--font-en)}
.lang-menu a:hover{background:var(--gray-800);color:var(--yellow)}
.lang-menu a.lang-active{color:var(--yellow);pointer-events:none}
@media(max-width:900px){nav{display:none}.hamburger{display:flex}}
@media(max-width:600px){header{padding:0 1.25rem}section{padding:2rem 1.25rem}.page-hero{padding:108px 1.25rem 1rem}}