:root{color-scheme:light dark;--bg:#000;--card:#0d0d0d;--tx:#fff;--mu:#a3a3a3;--ac:#fff;--ln:#2a2a2a;--btn-tx:#000;--nav:rgba(0,0,0,.9);--bgo:.3}
@media (prefers-color-scheme:light){
:root{--bg:#fff;--card:#f5f5f5;--tx:#000;--mu:#525252;--ac:#000;--ln:#d4d4d4;--btn-tx:#fff;--nav:rgba(255,255,255,.9);--bgo:.2}
}
*{box-sizing:border-box;margin:0}
body{font-family:system-ui,sans-serif;background:var(--bg);color:var(--tx);line-height:1.6}
a{color:inherit;text-decoration:none}
.wrap{max-width:1000px;margin:auto;padding:0 20px}
nav{position:sticky;top:0;z-index:5;background:var(--nav);backdrop-filter:blur(8px);border-bottom:1px solid var(--ln)}
nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-weight:800;font-size:20px;color:var(--tx);cursor:pointer;letter-spacing:-.5px}
.links{display:flex;gap:18px;align-items:center;font-size:14px;color:var(--mu)}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;background:var(--ac);color:var(--btn-tx);font-weight:700;border:0;cursor:pointer;font-size:15px;transition:transform .2s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:transparent;color:var(--tx);border:1px solid var(--ln)}
.row{display:flex;gap:12px;flex-wrap:wrap}
.bg{position:relative;isolation:isolate;overflow:hidden}
.bg::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--bg-img) center/cover no-repeat;filter:grayscale(1);opacity:var(--bgo)}
.hero{padding:80px 0 50px}
.hero h1{font-size:clamp(32px,6vw,54px);line-height:1.1;margin-bottom:16px}
.hero p{color:var(--mu);max-width:620px;margin-bottom:24px}
.badge{display:inline-block;font-size:13px;padding:5px 12px;border:1px solid var(--ln);border-radius:99px;color:var(--mu);background:var(--bg);margin-bottom:16px}
.notice{background:var(--card);border:1px solid var(--ln);border-radius:12px;padding:14px 18px;font-size:14px;color:var(--mu);margin:10px 0}
section{padding:50px 0}
h2{font-size:28px;margin-bottom:8px}
.sub{color:var(--mu);margin-bottom:24px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--ln);border-radius:14px;padding:20px}
.card .ic{font-size:28px}
.card small{color:var(--mu);font-weight:700}
.card h3{margin:4px 0}
.card p{color:var(--mu);font-size:14px}
.pics{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.pic{position:relative;border-radius:14px;overflow:hidden;border:1px solid var(--ln);aspect-ratio:4/3;background:var(--card)}
.pic img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(1)}
.pic span{position:absolute;left:0;right:0;bottom:0;padding:28px 14px 12px;color:#fff;font-weight:700;background:linear-gradient(transparent,rgba(0,0,0,.85))}
.band{padding:64px 0;border-top:1px solid var(--ln);border-bottom:1px solid var(--ln)}
.band h2{font-size:clamp(24px,4vw,34px)}
.band p{color:var(--mu);max-width:560px;margin-bottom:6px}
.cta{margin-top:26px}
.rv{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.rv.on{opacity:1;transform:none}
select,input,textarea{width:100%;padding:12px;border-radius:10px;border:1px solid var(--ln);background:var(--card);color:var(--tx);font-size:15px;margin-bottom:12px}
.plan div{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--ln)}
details{background:var(--card);border:1px solid var(--ln);border-radius:12px;padding:14px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:600}
details p{color:var(--mu);margin-top:8px;font-size:14px}
footer{border-top:1px solid var(--ln);padding:36px 0;color:var(--mu);font-size:14px}
footer .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}
footer small{display:block;margin-top:4px;font-size:12px}
.pop{position:fixed;right:18px;bottom:18px;width:min(340px,calc(100% - 36px));background:var(--card);border:1px solid var(--ac);border-radius:16px;padding:20px;z-index:20;transform:translateY(140%);transition:transform .5s ease}
.pop.show{transform:none}
.pop button.x{position:absolute;top:8px;right:12px;background:none;border:0;color:var(--mu);font-size:18px;cursor:pointer}
.pop p{color:var(--mu);font-size:14px;margin:6px 0 14px}
.task{padding:70px 0;border-bottom:1px solid var(--ln)}
.task .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.task:nth-child(even) .tpic{order:-1}
.task .num{font-size:64px;font-weight:800;color:var(--ln);line-height:1}
.task h2{font-size:32px}
.task p{color:var(--mu);max-width:560px;margin:10px 0 20px}
.tpic{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:14px;border:1px solid var(--ln);filter:grayscale(1);background:var(--card)}
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.gal a{display:block;background:var(--card);border:1px solid var(--ln);border-radius:14px;overflow:hidden;transition:transform .25s}
.gal a:hover{transform:translateY(-4px)}
.gal img{width:100%;height:180px;object-fit:cover;display:block}
.gal span{display:block;padding:10px 14px;font-size:14px;color:var(--mu)}
.big{width:100%;max-height:70vh;object-fit:contain;border-radius:14px;background:var(--card)}
.msg{color:var(--mu);font-size:14px;margin:8px 0}
.item{display:flex;gap:12px;align-items:center;margin-bottom:10px}
.item img{width:60px;height:60px;object-fit:cover;border-radius:8px}
.item span{flex:1;font-size:14px}