*{box-sizing:border-box}html{background:#02050d;color:#eef3ff;font-family:Inter,"Noto Sans JP",system-ui,sans-serif}body{margin:0;background:radial-gradient(circle at 70% 0,#13275a55,transparent 35%),#02050d;min-height:100vh}.site-head{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(20px,5vw,76px);border-bottom:1px solid #ffffff12;position:sticky;top:0;background:#02050ddd;backdrop-filter:blur(18px);z-index:20}.brand{font-weight:900;letter-spacing:.18em;color:#fff;text-decoration:none;font-size:21px}.site-head nav{display:flex;gap:24px}.site-head nav a{font-size:11px;letter-spacing:.14em;color:#9ba8c8;text-decoration:none}.hero{min-height:48vh;display:grid;place-items:center;position:relative;overflow:hidden;border-bottom:1px solid #ffffff10}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:54px 54px;mask-image:linear-gradient(to bottom,#000,transparent)}.hero-inner{width:min(1180px,90vw);position:relative;padding:80px 0}.eyebrow{font-size:11px;letter-spacing:.22em;color:#7aa8ff;margin:0 0 16px}.hero h1{font-size:clamp(54px,8vw,112px);line-height:.84;letter-spacing:-.055em;margin:0}.hero h1 span{color:#699cff}.hero-inner>p:last-child{color:#aeb8d0;max-width:620px;font-size:15px;margin-top:28px;line-height:1.9}.campaign-shell{width:min(1180px,90vw);margin:auto;padding:64px 0 100px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:24px}.section-head h2{margin:0;font-size:34px;letter-spacing:-.03em}.section-head>span{font-size:13px;color:#8591ad}.campaign-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.campaign-card{background:linear-gradient(145deg,#0c1324,#070b15);border:1px solid #ffffff14;border-radius:24px;overflow:hidden;cursor:pointer;transition:.22s}.campaign-card:hover{transform:translateY(-3px);border-color:#6596ff66}.campaign-image{height:220px;background:linear-gradient(135deg,#183a84,#111735);position:relative;background-size:cover;background-position:center}.campaign-image:after{content:"";position:absolute;inset:0;background:linear-gradient(to top,#08101e 0%,transparent 62%)}.campaign-body{padding:24px}.campaign-topline{display:flex;justify-content:space-between;gap:12px;align-items:center}.badge,.status{font-size:10px;letter-spacing:.12em;padding:7px 10px;border-radius:99px;border:1px solid #ffffff1a;color:#b9c8ea}.status.open{background:#183a2b;color:#80efae}.status.upcoming{background:#2e2716;color:#ffd776}.campaign-body h3{font-size:25px;margin:18px 0 8px}.campaign-body p{color:#9ca8c3;line-height:1.7;margin:0}.campaign-meta{display:flex;gap:20px;margin-top:22px;font-size:12px;color:#7f8ba6}.campaign-detail{margin-top:28px;background:#070c17;border:1px solid #ffffff14;border-radius:28px;padding:clamp(22px,4vw,46px)}.detail-close{float:right;border:0;background:#11192a;color:#fff;width:38px;height:38px;border-radius:50%;cursor:pointer}.detail-hero{display:grid;grid-template-columns:1.25fr .75fr;gap:28px;align-items:start}.detail-hero h2{font-size:clamp(38px,6vw,72px);letter-spacing:-.05em;line-height:.96;margin:14px 0}.detail-copy{color:#a7b2ca;line-height:1.9}.hero-art{aspect-ratio:4/3;border-radius:20px;background:linear-gradient(145deg,#1e4ea8,#11172d);background-size:cover;background-position:center}.date-row{display:flex;gap:26px;flex-wrap:wrap;margin:28px 0}.date-box{border:1px solid #ffffff12;border-radius:15px;padding:14px 16px;min-width:180px}.date-box small{display:block;color:#73809b;font-size:10px;letter-spacing:.13em}.date-box strong{display:block;margin-top:6px}.prizes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:26px 0}.prize{border:1px solid #ffffff12;border-radius:18px;padding:18px;background:#0a1120}.prize img{width:100%;height:140px;object-fit:cover;border-radius:12px;margin-bottom:14px}.prize small{color:#74a1ff;letter-spacing:.12em}.prize h3{margin:8px 0;font-size:18px}.prize p{margin:0;color:#919db8;font-size:13px;line-height:1.6}.requirements{background:#0a1120;border:1px solid #ffffff12;border-radius:18px;padding:20px;margin:28px 0}.requirements h3{margin-top:0}.requirements ul{margin:0;padding-left:20px;color:#a9b5ce;line-height:2}.x-link{display:inline-flex;margin-top:14px;color:#fff;text-decoration:none;padding:11px 15px;border-radius:12px;background:#152752}.entry-form{border-top:1px solid #ffffff12;margin-top:34px;padding-top:32px}.entry-form h3{font-size:26px;margin:0 0 20px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.entry-form label{display:grid;gap:8px;color:#a8b4cf;font-size:12px}.entry-form input,.entry-form textarea,.entry-form select{width:100%;background:#060b15;border:1px solid #ffffff16;color:#fff;border-radius:12px;padding:13px 14px;font:inherit}.entry-form textarea{resize:vertical;min-height:110px}.span-2{grid-column:1/-1}.checks{display:grid;gap:10px;margin:18px 0}.checks label{display:flex;grid-template-columns:none;align-items:flex-start;gap:10px;color:#c4cee2}.checks input{width:auto;margin-top:3px}.submit{border:0;border-radius:14px;background:linear-gradient(135deg,#3d71e8,#765dff);color:#fff;font-weight:800;padding:15px 22px;cursor:pointer}.submit:disabled{opacity:.5}.form-status{min-height:22px;color:#ff9b9b;margin:12px 0 0}.complete{padding:24px;border-radius:18px;background:#10261b;border:1px solid #52d98b44}.complete strong{display:block;font-size:24px;color:#7bf0a6;margin-bottom:7px}.loading,.empty{grid-column:1/-1;padding:50px;text-align:center;color:#8490aa;border:1px solid #ffffff10;border-radius:20px}footer{border-top:1px solid #ffffff10;padding:34px 5vw;display:flex;gap:18px;align-items:center;color:#7c88a1}footer strong{color:#fff;letter-spacing:.16em}footer small{margin-left:auto}@media(max-width:800px){.site-head{height:62px}.site-head nav{gap:13px}.site-head nav a:nth-child(2),.site-head nav a:nth-child(3){display:none}.hero{min-height:39vh}.hero-inner{padding:60px 0}.campaign-list{grid-template-columns:1fr}.campaign-image{height:180px}.detail-hero{grid-template-columns:1fr}.hero-art{order:-1}.prizes{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.campaign-detail{padding:22px}.date-row{gap:10px}.date-box{min-width:0;flex:1}footer{flex-wrap:wrap}footer small{width:100%;margin-left:0}}