@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800;900&display=swap');
:root{--ink:#123d43;--muted:#617476;--paper:#f7f5ed;--teal:#007d79;--line:#d8dfd7;--yellow:#f7c947}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans KR',sans-serif;font-size:15px;line-height:1.75}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b65a23;outline-offset:4px}header,main,footer{max-width:1360px;margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:28px 48px;border-bottom:1px solid var(--line)}.brand{font-weight:900;font-size:23px;display:flex;align-items:center;gap:10px;letter-spacing:-1px}.ball{background:var(--yellow);border:2px solid var(--ink);border-radius:50%;width:35px;height:35px;display:grid;place-items:center;font-size:28px;line-height:1}.brand-en{font-size:9px;letter-spacing:1.2px;margin-left:14px;font-weight:600}header nav{display:flex;gap:30px;font-size:13px;font-weight:600}.hero{padding:60px 48px 54px;display:grid;grid-template-columns:1fr 1.06fr;gap:30px;align-items:center}.eyebrow{font-size:10px;font-weight:800;letter-spacing:1.8px;margin:0 0 19px}.eyebrow i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--teal);margin-right:9px}h1{font-size:clamp(42px,5.5vw,73px);line-height:1.2;letter-spacing:-4px;margin:0 0 24px;font-weight:900}h1 span{color:var(--teal);position:relative}h1 span:after{content:'';position:absolute;left:0;right:0;bottom:-5px;border-bottom:5px solid var(--yellow);border-radius:50%}.intro{color:#536d70;font-size:17px;line-height:1.9;margin:0 0 28px}.primary{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;background:var(--ink);color:white;padding:14px 23px;border:0;border-radius:8px;font-size:14px;font-weight:700}.primary:hover{background:var(--teal)}.hero-note{font-size:11px;color:var(--muted);margin-top:24px}.hero-note span{color:var(--teal);margin-right:8px}.hero-visual{position:relative;padding:14px;background:#e0eae3;border-radius:100px 100px 12px 12px;transform:rotate(1deg)}.hero-art{width:100%;aspect-ratio:1.25;border-radius:90px 90px 5px 5px}.scene{background-size:300% 200%;background-position:var(--x) var(--y);background-repeat:no-repeat;background-color:#a7d4d0}.scene[data-sheet=a]{background-image:url('assets/scenes-a-lines.png')}.scene[data-sheet=b]{background-image:url('assets/scenes-b-lines.png')}.sticker{position:absolute;top:28px;right:-15px;background:var(--yellow);border-radius:50%;width:115px;height:115px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;font-size:13px;transform:rotate(11deg);line-height:1.65;box-shadow:0 5px 0 #153c4210}.sticker strong{font-size:18px}.sticker span{font-size:21px}.art-caption{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.4px;padding:12px 4px 0}.numbers{margin:0 48px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;display:grid;grid-template-columns:repeat(4,1fr)}.numbers>div{display:flex;align-items:center;gap:15px;padding:0 24px;border-right:1px solid var(--line)}.numbers>div:first-child{padding-left:0}.numbers>div:last-child{border:0}.numbers strong{font-size:39px;line-height:1;letter-spacing:-2px}.numbers strong span{font-size:15px;letter-spacing:0;margin-left:4px}.numbers p{font-size:12px;margin:0;font-weight:600;white-space:nowrap}.numbers small{display:block;font-size:9px;font-weight:400;color:var(--muted)}.library{padding:72px 48px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:30px}.section-heading .eyebrow{color:var(--teal);margin-bottom:10px}h2{font-size:30px;letter-spacing:-1.3px;line-height:1.4;margin:0;font-weight:800}.section-heading>p{font-size:13px;color:var(--muted);margin:0}.tools{display:flex;justify-content:space-between;gap:20px;align-items:center}.filters{display:flex;gap:8px;flex-wrap:wrap}.filters button{border:1px solid var(--line);padding:9px 17px;border-radius:25px;background:transparent;color:var(--ink);font-weight:600;font-size:12px}.filters button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:white}.search{display:flex;align-items:center;gap:10px;border-bottom:1px solid #a5b6b4;padding:8px 0;max-width:280px}.search>span{font-size:25px;line-height:1}.search input{width:230px;border:0;background:transparent;font-size:12px;color:var(--ink);outline-offset:5px}.result-line{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:22px 0 16px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:28px 22px}.card{overflow:hidden;border:1px solid #dce3da;border-radius:13px;background:#fffef9;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}.card:hover{transform:translateY(-3px);box-shadow:0 9px 22px #183b400b}.card-visual{position:relative}.card-visual .scene{aspect-ratio:1.42}.tag{position:absolute;left:14px;top:14px;background:#fffdf4ed;border-radius:4px;padding:3px 9px;font-size:10px;font-weight:700;color:#286a5b}.tag.ordinary{color:#96621a}.tag.exclusion{color:#a74939}.tag.penalty{color:#81404c}.card-body{padding:20px 20px 16px;flex:1}.card-title{display:flex;gap:8px;align-items:baseline}.card-index{font-size:10px;color:#8b9b98;font-weight:600}h3{font-size:19px;letter-spacing:-.7px;line-height:1.45;margin:0}.rule-text{font-size:13px;line-height:1.85;color:#566c6d;margin:13px 0 0;word-break:keep-all}.ref-row{display:flex;gap:10px;align-items:center;border-top:1px dashed var(--line);margin:0 20px;padding:12px 0;min-height:95px}.ref-image{background-image:url('assets/referees-v2.png');background-size:300% 200%;background-position:var(--x) var(--y);background-repeat:no-repeat;width:74px;height:74px;flex-shrink:0;border-radius:50%;background-color:#f6efdf}.ref-copy{flex:1}.ref-label{font-size:9px;color:var(--teal);font-weight:800;letter-spacing:.7px}.ref-copy p{margin:3px 0 0;font-size:11px;color:#52696a;line-height:1.6}.card-bottom{display:flex;justify-content:space-between;align-items:center;background:#f1f4ed;padding:11px 20px}.play{display:flex;align-items:center;gap:8px;border:0;background:transparent;padding:0;color:var(--ink);font-size:11px;font-weight:700}.play-icon{border-radius:50%;background:var(--ink);color:white;width:23px;height:23px;display:grid;place-items:center;font-size:8px}.source-btn{border:0;background:transparent;font-size:10px;color:#5f7776;padding:5px 0}.whistle-section{padding:60px 48px;background:#e7eee7}.whistle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.whistle-card{padding:23px;background:#f9faf4;border:1px solid #d8e1d6;border-radius:10px;display:grid;grid-template-columns:1fr 76px;align-items:center;gap:10px}.whistle-card h3{font-size:15px;margin:4px 0 12px}.wave{font-size:22px;letter-spacing:4px;color:var(--teal);font-weight:bold;line-height:1.2;margin-bottom:13px}.whistle-card .ref-image{width:76px;height:76px}.whistle-card small{font-size:10px;color:var(--muted)}.small-note{font-size:11px;color:#617672;margin:22px 0 0;max-width:900px}.quick-check{margin:60px 48px;display:flex;align-items:center;gap:25px;background:var(--yellow);border-radius:12px;padding:32px}.quiz-icon{font-size:56px;font-weight:900;line-height:1;transform:rotate(-12deg)}.quick-check .eyebrow{margin-bottom:7px}.quick-check h2{font-size:22px}.quick-check p:not(.eyebrow){font-size:12px;margin:8px 0 0}.quiz-actions{margin-left:auto;min-width:260px;max-width:370px}.quiz-actions button{border:1px solid #123d4360;background:#fffdf6;padding:9px 17px;border-radius:6px;margin:0 5px 5px 0;color:var(--ink);font-size:12px}.quiz-actions button.selected{background:var(--ink);color:white}.sources{padding:0 48px 60px;display:grid;grid-template-columns:1fr 1.8fr;gap:70px}.sources p:not(.eyebrow){font-size:12px;line-height:2;color:var(--muted);margin-top:0}.sources details{border-block:1px solid var(--line);padding:14px 0;margin-top:20px}.sources summary{font-size:12px;font-weight:700;cursor:pointer}.sources details p{margin-top:15px!important}.source-labels{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.source-labels span{font-size:8px;letter-spacing:.6px;border:1px solid var(--line);padding:4px 8px;border-radius:3px}footer{padding:25px 48px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}footer .brand{font-size:16px}footer p,footer>a:last-child{font-size:10px;color:var(--muted)}dialog{border:0;background:var(--paper);color:var(--ink);border-radius:18px;padding:35px;width:min(550px,calc(100% - 30px));box-shadow:0 20px 100px #00282940}dialog::backdrop{background:#052d3e80;backdrop-filter:blur(4px)}dialog h2{font-size:25px}dialog p{font-size:13px}dialog .eyebrow{font-size:10px}.close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;color:var(--ink)}.dialog-ok{margin-top:16px}#empty{text-align:center;padding:65px 20px}#empty button{background:var(--ink);color:white;padding:10px 20px;border:0;border-radius:6px}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip:focus{position:fixed;top:0;left:0;z-index:100;background:white;padding:15px}@media(max-width:1050px){header,footer{padding-inline:25px}.brand-en{display:none}.hero{padding-inline:25px;gap:25px}.numbers{margin-inline:25px}.numbers>div{padding:0 12px;gap:10px}.numbers strong{font-size:31px}.numbers p{font-size:10px}.numbers small{font-size:8px}.library,.whistle-section{padding-inline:25px}.filters button{padding:8px 12px}.search{max-width:230px}.search input{width:195px}.cards{gap:16px}.card-body{padding:17px}.ref-row{margin-inline:17px}.ref-image{width:58px;height:58px}.quick-check{margin-inline:25px}.sources{padding-inline:25px;gap:35px}}@media(max-width:760px){header{padding:18px 20px}.brand{font-size:20px}header nav{gap:15px;font-size:11px}header nav a:last-child{display:none}.hero{grid-template-columns:1fr;padding:35px 20px;gap:32px}.hero-copy{position:relative}h1{font-size:51px;letter-spacing:-3px}.intro{font-size:14px}.hero-note{margin-top:16px}.hero-visual{max-width:520px;width:100%;justify-self:center}.hero-art{aspect-ratio:1.45}.sticker{right:5px;top:15px;width:100px;height:100px}.numbers{grid-template-columns:repeat(2,1fr);gap:20px;margin-inline:20px}.numbers>div{padding:0!important;justify-content:center}.numbers>div:nth-child(2){border:0}.numbers strong{font-size:34px}.numbers p{font-size:11px}.numbers small{font-size:8px}.library{padding:45px 20px}.section-heading{align-items:flex-start;flex-direction:column;gap:13px;margin-bottom:22px}h2{font-size:26px}.section-heading>p{font-size:12px}.tools{align-items:stretch;flex-direction:column;gap:15px}.search{max-width:100%;width:100%}.search input{width:100%}.filters{gap:6px}.filters button{font-size:11px;padding:8px 13px}.cards{grid-template-columns:repeat(2,1fr);gap:14px}.card-body{padding:14px}.card-title{display:block}.card-index{display:none}h3{font-size:16px}.rule-text{font-size:12px}.ref-row{margin-inline:12px;gap:6px}.ref-image{width:48px;height:48px}.ref-copy p{font-size:10px}.card-bottom{padding:10px 12px;gap:5px}.play{font-size:10px;gap:5px}.source-btn{font-size:9px}.whistle-section{padding:40px 20px}.whistle-grid{grid-template-columns:repeat(2,1fr);gap:10px}.whistle-card{padding:16px;grid-template-columns:1fr}.whistle-card .ref-image{grid-row:1;width:65px;height:65px}.quick-check{margin:35px 20px;padding:24px;flex-wrap:wrap;gap:15px}.quiz-icon{font-size:35px}.quick-check h2{font-size:18px}.quiz-actions{margin:0;min-width:0;width:100%;max-width:none}.sources{padding:0 20px 40px;grid-template-columns:1fr;gap:25px}.sources h2 br{display:none}footer{padding:22px 20px}footer p{display:none}.result-line{font-size:9px}}@media(max-width:440px){.cards{grid-template-columns:1fr}.card-visual .scene{aspect-ratio:1.45}.card-body{padding:18px 20px}.card-title{display:flex}.card-index{display:inline}h3{font-size:20px}.rule-text{font-size:13px}.ref-image{width:65px;height:65px}.ref-row{margin-inline:20px;gap:12px}.ref-copy p{font-size:12px}.card-bottom{padding-inline:20px}.play{font-size:12px}.source-btn{font-size:11px}.filters button{padding-inline:11px}.hero-art{aspect-ratio:1.2}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Preserve the actual panel boundaries of the generated scene sheet. */
.scene[data-sheet=b][style*="--y:0%"]{background-size:300% 222.1%}
.scene[data-sheet=b][style*="--y:100%"]{background-size:300% 183.8%}
.ref-image{border-radius:6px;width:88px;height:88px}
.whistle-card .ref-image{border-radius:6px}
#dialogBody>.ref-image{width:210px;height:210px;margin:20px auto}
@media(max-width:760px){.ref-image{width:58px;height:58px}}
@media(max-width:440px){.ref-image{width:82px;height:82px}}

img.official-signal{object-fit:contain;background:#fff;background-image:none!important;padding:4px;box-sizing:border-box} .ref-row img.official-signal{width:100px;height:112px;flex-shrink:0}.whistle-card img.official-signal{width:90px;height:125px}#dialogBody img.official-signal{width:120px;height:160px}

.goal-signals{padding:55px 48px;background:#f1f3e9}.goal-signal-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.goal-signal-card{padding:20px;background:#fffdf6;border:1px solid var(--line);border-radius:12px}.goal-signal-card img{display:block;width:100%;height:155px;object-fit:contain;background:#fff;margin-bottom:16px}.goal-signal-card h3{font-size:16px;line-height:1.5;margin-bottom:9px}.goal-signal-card p,.number-guide p{font-size:13px;line-height:1.9;color:var(--muted)}.number-guide{margin-top:30px;padding:26px;background:#fffdf6;border:1px solid var(--line);border-radius:12px}.number-guide h2{font-size:25px;margin-bottom:12px}.number-guide figure{margin:22px 0 0}.number-guide figure img{width:100%;height:auto;display:block}.number-guide figcaption{text-align:center;font-size:12px;margin-top:10px;color:var(--muted)}.number-examples{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:16px}.number-examples strong{color:var(--teal);margin-right:10px}.signal-details{display:inline-block;margin-top:18px;color:var(--teal);font-weight:700;font-size:13px}@media(max-width:1050px){.goal-signals{padding-inline:25px}.goal-signal-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.goal-signals{padding:35px 20px}.goal-signal-grid{gap:10px}.goal-signal-card{padding:14px}.goal-signal-card h3{font-size:14px}.goal-signal-card img{height:130px}.goal-signal-card p{font-size:12px}.number-guide{padding:18px}.number-guide h2{font-size:21px}}@media(max-width:380px){.goal-signal-grid{grid-template-columns:1fr}}