:root{--ink:#18302f;--muted:#637471;--green:#106c54;--line:#d9e4dd;--gold:#eec46a}*{box-sizing:border-box}body{margin:0;background:#f3f5ef;color:var(--ink);font-family:system-ui,-apple-system,"Segoe UI","Meiryo",sans-serif;line-height:1.65}a{color:var(--green)}.site-header{padding:20px max(5vw,20px);display:flex;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px;background:#fff}.brand{text-decoration:none;font-size:23px;font-weight:800;letter-spacing:-1px}.brand span{display:inline-block;font-size:10px;letter-spacing:2px;margin-left:14px;color:var(--muted)}main{max-width:1280px;margin:0 auto;padding:24px}.hero{padding:48px 16px 42px;background:radial-gradient(ellipse at 90% 30%,#dcecc6,transparent 55%)}.hero.compact{padding:22px 8px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:3px;color:var(--green)}h1{font-size:clamp(30px,5vw,62px);line-height:1.2;letter-spacing:-2px;margin:20px 0;overflow-wrap:anywhere}h2{font-size:23px;margin:0 0 18px}h3{margin-top:24px}.chips,.toolbar{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.chips span{background:#fff;border:1px solid var(--line);border-radius:30px;padding:8px 16px;font-size:13px}.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;margin:20px 0;box-shadow:0 5px 18px #16352a05}.narrow{max-width:650px}label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:700;margin:12px 0}input,select{font:inherit;color:var(--ink);background:#fff;border:1px solid #b7c9be;border-radius:8px;padding:12px;min-width:0;width:100%}input:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #eac258;outline-offset:3px}input[readonly]{background:#f4f7f3}button,.button{display:inline-block;border:0;border-radius:8px;background:var(--green);color:#fff;font:inherit;font-weight:700;font-size:14px;padding:12px 20px;cursor:pointer;text-decoration:none}button:disabled{opacity:.5;cursor:wait}button.secondary,.button.secondary{background:#e7f0e8;color:var(--green)}button.quiet{background:transparent;color:var(--green);border:1px solid var(--line)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px;align-items:end}.form-grid button{margin:12px 0;align-self:end}.form-actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--muted);font-size:13px}.tabs{display:flex;gap:8px;overflow:auto;padding:8px 0;position:sticky;top:0;background:#f3f5ef;z-index:5}.tabs button{white-space:nowrap;background:transparent;color:var(--muted)}.tabs button.selected{background:var(--ink);color:#fff}.notice,#feedback:not(:empty){padding:15px 20px;background:#e5f3e9;border-radius:10px;margin:14px 0}.error,#feedback.error{background:#fff0ed;color:#982e22}details{margin:20px 0;padding:16px;background:#f4f7f3;border-radius:10px}summary{cursor:pointer;font-weight:700}.gridjs-container{font-size:14px;color:var(--ink)}.gridjs-th{background:#edf3ee!important}.gridjs-td{word-break:break-word}.gridjs-td button{padding:6px 12px;font-size:12px}.live{font-size:13px;color:var(--green)}.live:before{content:'●';margin-right:8px}footer{max-width:1280px;margin:40px auto;padding:24px;color:var(--muted);font-size:12px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px}.award-stage{min-height:580px;position:relative;overflow:hidden;border-radius:24px;background:radial-gradient(ellipse at center,#304642,#091f21 75%);color:#fff;text-align:center;margin:24px 0;border:2px solid #a7b7a9}.award-stage[data-level="3"],.award-stage[data-level="4"],.award-stage[data-level="5"],.award-stage[data-level="6"]{border-color:var(--gold);background:radial-gradient(ellipse at center,#615026,#0b1a25 75%)}.award-content{position:relative;z-index:2;padding:60px 20px;pointer-events:none}.award-content .eyebrow{color:#edcf8c}.award-content h2{font-size:clamp(36px,7vw,76px);color:#ffe29a}.award-content h3{font-size:clamp(24px,4vw,44px);margin:12px 0;overflow-wrap:anywhere}.award-content p{letter-spacing:3px}.trophy{font-size:70px;filter:drop-shadow(0 0 25px #eccc6d);animation:award-rise 1.3s ease-out}#award-particles{position:absolute;inset:0}#award-particles canvas{width:100%;height:100%}[hidden]{display:none!important}@keyframes award-rise{from{transform:translateY(50px) scale(.5);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}@media(max-width:640px){main{padding:12px}.card{padding:18px}.site-header{padding:16px}.brand span{display:block;margin-left:0}.site-header>a:last-child{font-size:12px}.form-grid{grid-template-columns:1fr}footer{flex-direction:column}.award-stage{min-height:450px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}
.award-stage[data-scope="group"]{border-color:var(--gold);background:radial-gradient(ellipse at center,#615026,#0b1a25 75%);box-shadow:0 0 45px #eec46a55}.award-stage[data-level="4"] .trophy,.award-stage[data-scope="group"] .trophy{font-size:100px}
/* Compact review layout */
.site-header{padding:10px 22px;gap:14px;align-items:center;flex-wrap:nowrap;min-height:52px}.brand{font-size:18px;white-space:nowrap;flex-shrink:0;letter-spacing:-.5px}.brand span{display:inline;font-size:10px;letter-spacing:1px;margin-left:8px}.header-event{flex:1;min-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px}.site-header>a:not(.brand){font-size:12px;white-space:nowrap}.back-to-study{margin-left:auto}main{padding:12px 24px}.page-bar{display:flex;align-items:center;gap:12px;margin:4px 0 12px;min-height:44px;overflow-x:auto;white-space:nowrap}.page-bar h1{font-size:22px;line-height:1.4;letter-spacing:0;margin:0 auto 0 0;flex-shrink:0}.page-bar form{margin:0}.page-bar button,.page-bar .button{padding:7px 12px;font-size:12px}.card{padding:20px;margin:12px 0}h2{font-size:20px;margin-bottom:12px}label{margin:8px 0}.tabs{padding:4px 0}.tabs button{padding:9px 14px}.invite-details{margin:8px 0;padding:10px 16px;background:#fff;border:1px solid var(--line)}.invite-layout{display:grid;grid-template-columns:minmax(0,1fr) 180px;gap:24px;align-items:center}.invite-layout #invite-qr{padding:12px;background:#fff;width:180px}.invite-layout #invite-qr img{max-width:100%}.invite-layout #download-qr{font-size:12px;margin-left:12px}.select2-container{min-width:0}.select2-container--default .select2-selection--single{height:47px;border:1px solid #b7c9be;border-radius:8px}.select2-container--default .select2-selection--single .select2-selection__rendered{line-height:45px;padding-left:12px;font-size:13px}.select2-container--default .select2-selection--single .select2-selection__arrow{height:45px}.select2-dropdown{border-color:#b7c9be}.select2-search__field{font-size:16px!important}footer{margin:20px auto;padding:12px 24px}#admin-feedback:not(:empty){padding:12px;background:#e7f0e8;margin-bottom:12px}#award-stage{min-height:400px}.award-content{padding:30px 16px}.award-content h2{font-size:clamp(32px,6vw,60px)}.trophy{font-size:56px}.award-stage[data-level="4"] .trophy,.award-stage[data-scope="group"] .trophy{font-size:76px}@media(max-width:640px){.site-header{padding:8px 10px;gap:8px;overflow-x:auto}.brand{font-size:15px}.brand span{display:inline;margin-left:5px;font-size:8px}.header-event{font-size:13px;min-width:100px}.site-header>a:not(.brand){font-size:10px}main{padding:10px}.page-bar{gap:8px}.page-bar h1{font-size:18px}.page-bar .live{font-size:10px}.card{padding:14px}.invite-layout{grid-template-columns:minmax(0,1fr)}.invite-layout>div:last-child{display:flex;align-items:center;gap:10px}.page-bar>.muted{display:none}}
.score-grid-search{max-width:280px;margin:12px 0}

/* Keep all six operator tabs reachable on narrow screens without horizontal scrolling. */
@media (max-width: 768px) {
    .tabs {
        display: grid;
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 6px;
        overflow: visible;
    }
    .tabs button {
        min-width: 0;
        min-height: 44px;
        padding: 8px 6px;
        font-size: 13px;
    }
}

.human-check{border:1px solid var(--line);border-radius:10px;margin:18px 0;padding:16px;position:relative}.human-check img{max-width:100%;height:auto}.human-trap{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.visibility-controls{margin:18px 0}.visibility-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.visibility-row select{width:auto;max-width:55%}