:root{--ink:#191919;--bar:#424242;--paper:#fff;--soft:#f3f3f1;--line:#e2e2de;--mute:#767676;--green:#4dac26;--green-d:#3a8a1b;--orange:#e8590c;--ease:cubic-bezier(.2,.7,.2,1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Lato,Hiragino Sans,Yu Gothic,Noto Sans JP,sans-serif;font-weight:500;line-height:1.75;font-size:15px}a{color:inherit}.wrap{max-width:1040px;margin:0 auto;padding:0 20px}header.site{background:var(--bar);color:#fff}.top{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:block;line-height:0}.logo img{height:46px;width:auto;display:block}.logo b{font-size:30px;font-weight:900;letter-spacing:-.02em;font-style:italic}.logo b i{font-style:normal;color:var(--green)}.logo small{font-size:8px;letter-spacing:.28em;margin-top:5px;opacity:.75;font-weight:700}.tag-sns{font-size:11px;letter-spacing:.2em;opacity:.7}nav.g{background:#2f2f2f;border-top:1px solid #555}nav.g .wrap{display:flex;overflow-x:auto}nav.g a{padding:13px 22px 13px 0;margin-right:22px;font-size:12px;font-weight:800;letter-spacing:.12em;text-decoration:none;color:#ddd;white-space:nowrap;border-right:1px solid #555;transition:color .6s var(--ease)}nav.g a:last-child{border:0}nav.g a:hover,nav.g a.on{color:#fff}h1,h2,h3{line-height:1.2}.sec{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:900;letter-spacing:.04em;margin:64px 0 22px;text-transform:uppercase}.sec:before{content:"";width:6px;height:24px;background:var(--green)}.sec small{font-size:11px;color:var(--mute);letter-spacing:.2em;font-weight:700}.hero{margin-top:28px;background:var(--ink);color:#fff;border-radius:4px;padding:56px 32px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(77,172,38,.55),transparent 70%)}.hero h1{position:relative;z-index:1;margin:0;font-size:clamp(40px,9vw,84px);font-weight:900;font-style:italic;letter-spacing:-.03em}.hero h1 em{color:var(--green)}.hero p{position:relative;z-index:1;margin:12px 0 0;color:#ccc;font-size:14px}.pg{margin-top:28px;border-bottom:3px solid var(--ink);padding-bottom:10px}.pg h1{margin:0;font-size:clamp(32px,7vw,56px);font-weight:900;font-style:italic;letter-spacing:-.02em}.pg h1 em{color:var(--green)}.pg p{margin:4px 0 0;color:var(--mute);font-size:13px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}.card{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:190px;padding:20px;border-radius:3px;text-decoration:none;color:#fff;background:linear-gradient(160deg,#2b2b2b,#101010);overflow:hidden;box-shadow:0 8px 20px -14px #000;transition:transform .8s var(--ease),box-shadow .8s var(--ease)}.card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 10%,rgba(77,172,38,.45),transparent 55%);transition:opacity .8s}.card.contest:before{background:radial-gradient(circle at 80% 10%,rgba(232,89,12,.5),transparent 55%)}.card:hover{transform:translateY(-5px);box-shadow:0 18px 28px -14px #000}.card .lab{position:absolute;top:0;right:0;background:var(--green);color:#fff;font-size:11px;font-weight:900;letter-spacing:.12em;padding:4px 14px}.card.contest .lab{background:var(--orange)}.card.ext .lab{background:#666}.card h3{position:relative;margin:0;font-size:clamp(22px,4vw,30px);font-weight:900;text-transform:uppercase;letter-spacing:.01em}.card small{position:relative;font-size:12px;opacity:.8;margin-top:6px}.panel{background:var(--soft);border:1px solid var(--line);border-radius:3px;padding:22px}.panel.w{background:#fff}.cal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.cal-head h3{margin:0;font-size:24px;font-weight:900;letter-spacing:.04em}.cal-head button{background:#fff;border:1px solid var(--line);color:var(--ink);width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:16px;transition:background .5s,color .5s}.cal-head button:hover{background:var(--ink);color:#fff}.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cal-dow{font-size:11px;color:var(--mute);text-align:center;padding:4px 0;font-weight:800}.cal-dow:first-child{color:#d33}.cal-dow:last-child{color:#2b6fd1}.cal-cell{min-height:88px;background:#fff;border:1px solid var(--line);padding:6px;font-size:12px;color:var(--mute);font-weight:700}.cal-cell.today{border-color:var(--green);box-shadow:inset 0 0 0 1px var(--green)}.cal-cell.off{background:transparent;border-color:transparent}.ev{display:block;margin-top:4px;padding:2px 6px;font-size:11px;font-weight:800;color:#fff;background:var(--green);text-decoration:none;line-height:1.35;border-radius:2px}.ev.contest{background:var(--orange)}.ev.other{background:#666}.ev-list{list-style:none;padding:0;margin:20px 0 0}.ev-list li{display:flex;gap:14px;padding:12px 0;border-top:1px solid var(--line)}.ev-list time{color:var(--green-d);font-weight:900;min-width:92px}@media(max-width:640px){.cal-cell{min-height:58px;padding:3px;font-size:10px}.ev{font-size:0;padding:0;height:6px}}.badge{display:inline-block;padding:3px 14px;font-size:12px;font-weight:900;letter-spacing:.08em;background:var(--green);color:#fff;border-radius:2px}.badge.closed{background:#999}form.entry label.f{display:block;margin:0 0 20px;font-weight:800;font-size:14px}form.entry .req{display:inline-block;background:var(--orange);color:#fff;margin-left:8px;font-size:10px;padding:1px 7px;border-radius:2px;letter-spacing:.06em}form.entry .hint{display:block;font-weight:500;color:var(--mute);font-size:12px}form.entry input,form.entry select,form.entry textarea{display:block;width:100%;margin-top:6px;padding:12px 14px;border-radius:3px;border:1px solid #cfcfca;background:#fff;color:var(--ink);font:inherit;font-size:16px}form.entry input:focus,select:focus,textarea:focus{outline:2px solid var(--green);border-color:transparent}form.entry label.chk{display:flex;gap:10px;align-items:center;font-weight:800}form.entry label.chk input{width:auto;margin:0}button.submit{width:100%;padding:18px;border:0;border-radius:3px;background:var(--ink);font-size:16px;font-weight:900;letter-spacing:.14em;cursor:pointer;color:#fff;transition:background .6s}button.submit:hover{background:var(--green-d)}button.submit:disabled{opacity:.4;cursor:default}.msg{padding:14px 16px;border-radius:3px;margin-top:16px;font-size:14px}.msg.ok{background:#e8f5e1;border-left:5px solid var(--green)}.msg.ng{background:#fdeadf;border-left:5px solid var(--orange)}.list-group h4{margin:22px 0 8px;color:var(--green-d);letter-spacing:.1em;font-weight:900}.list-group>div:first-child h4{margin-top:0}.list-group ol{margin:0;padding-left:1.6em;columns:2;column-gap:32px}.demo{background:#fff6d6;border:1px dashed #cda400;color:#6a5600;padding:10px 14px;border-radius:3px;font-size:13px;margin:16px 0}footer.site{margin-top:96px;background:var(--ink);color:#aaa;padding:36px 0;font-size:12px}footer.site a{color:#fff}.fade{animation:fade 1s var(--ease) both}@keyframes fade{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.card.soon{cursor:default;filter:grayscale(1);opacity:.7}.card.soon:hover{transform:none;box-shadow:0 8px 20px -14px #000}.ev.deadline{background:var(--ink)}.ev-list li.dl time{color:var(--ink)}
