:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--ink:#f7fbff;--muted:#aab7cf;--navy:#080d1f;--navy-2:#0d1530;--navy-3:#131f40;--cyan:#70e9ff;--yellow:#ffda4e;--coral:#ff6675;--line:#ffffff1c}*{box-sizing:border-box}html{background:var(--navy);scroll-behavior:smooth;-webkit-text-size-adjust:100%;min-width:320px}body{background:radial-gradient(circle at 15% -5%, #3647ad33, transparent 29rem), var(--navy);min-height:100dvh;color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Inter,Pretendard,Apple SD Gothic Neo,Noto Sans KR,system-ui,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{color:inherit;font:inherit;border:0}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{z-index:50;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#080d1fd6;justify-content:space-between;align-items:center;gap:24px;min-height:64px;padding:0 max(20px,50vw - 560px);display:flex;position:sticky;top:0}.brand{color:var(--yellow);letter-spacing:-.06em;align-items:baseline;gap:5px;font-size:20px;font-style:italic;font-weight:1000;display:inline-flex}.brand span{color:#fff}.site-header nav{align-items:center;gap:clamp(16px,3vw,30px);display:flex}.site-header nav a{color:#cbd5e7;font-size:13px;font-weight:750}.site-header nav a:hover{color:#fff}.arcade-section{align-items:center;gap:clamp(38px,7vw,90px);width:min(1120px,100%);margin:0 auto;padding:32px 24px 54px;display:grid}.game-column{width:min(100%,470px);margin:0 auto}.game-kicker{color:#7887a5;letter-spacing:.13em;justify-content:space-between;gap:12px;padding:0 4px 12px;font-size:10px;font-weight:850;display:flex}.game-kicker span{color:var(--cyan)}.game-frame{isolation:isolate;aspect-ratio:9/16;-webkit-user-select:none;user-select:none;touch-action:pan-y;background:#244aa3;border:1px solid #ffffff29;border-radius:30px;width:min(100%,470px);position:relative;overflow:hidden;box-shadow:0 28px 80px #0005179e,0 0 0 8px #ffffff06}.game-frame:after{z-index:2;border-radius:inherit;content:"";pointer-events:none;border:1px solid #ffffff17;position:absolute;inset:0}.game-canvas{touch-action:pan-y;width:100%;height:100%;display:block}.game-hud{z-index:5;top:max(14px, env(safe-area-inset-top));-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);pointer-events:none;background:#050c26b8;border:1px solid #ffffff26;border-radius:16px;grid-template-columns:repeat(3,1fr);min-height:54px;display:grid;position:absolute;left:14px;right:108px;box-shadow:0 12px 30px #05091f2e}.hud-stat{text-align:center;place-content:center;display:grid}.hud-stat+.hud-stat{border-left:1px solid #ffffff1a}.hud-stat span{color:#9feeff;letter-spacing:.16em;font-size:8px;font-weight:900}.hud-stat strong{margin-top:1px;font-size:18px;line-height:1}.game-actions{z-index:12;top:max(14px, env(safe-area-inset-top));gap:6px;display:flex;position:absolute;right:14px}.game-actions button{cursor:pointer;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#050c26b8;border:1px solid #ffffff26;border-radius:14px;place-items:center;width:42px;height:54px;display:grid}.game-actions button:disabled{cursor:default;opacity:.46}.slow-pill{z-index:8;color:#fff3a5;letter-spacing:.07em;pointer-events:none;background:#050c26c7;border:1px solid #ffe9668c;border-radius:999px;align-items:center;gap:6px;min-height:32px;padding:0 13px;font-size:12px;font-weight:900;display:flex;position:absolute;top:82px;left:50%;transform:translate(-50%)}.slow-ending{animation:.45s infinite alternate slowPulse}@keyframes slowPulse{to{opacity:.58;transform:translate(-50%)scale(.96)}}.stage-flash{z-index:20;color:#fff;letter-spacing:-.04em;text-align:center;text-shadow:0 4px #25315e,0 14px 40px #01061c99;pointer-events:none;width:100%;font-size:clamp(34px,10vw,56px);font-style:italic;font-weight:1000;animation:1s both stageIn;position:absolute;top:35%;left:50%;transform:translate(-50%,-50%)}@keyframes stageIn{0%{opacity:0;transform:translate(-50%,-35%)scale(.75)}20%,72%{opacity:1;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-62%)scale(1.07)}}.item-flash{box-shadow:0 0 0 5px #ffe354bf,0 28px 80px #0005179e}.game-overlay{z-index:10;text-align:center;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#060c27a3;place-content:center;padding:30px;display:grid;position:absolute;inset:0}.start-mark,.overlay-label{color:var(--cyan);letter-spacing:.32em;margin-bottom:12px;font-size:10px;font-weight:950}.start-overlay h1{letter-spacing:-.08em;text-shadow:0 6px #263063;margin:0;font-size:clamp(50px,14vw,75px);font-style:italic;font-weight:1000;line-height:.84}.start-overlay h1 em{color:var(--yellow);font-style:inherit;display:block}.start-overlay>p,.compact-overlay>p{color:#d4deef;margin:22px auto 0;font-size:14px;font-weight:600;line-height:1.65}.primary-game-button{background:var(--yellow);color:#17213d;cursor:pointer;letter-spacing:.08em;border-radius:17px;width:min(100%,292px);min-height:58px;margin:27px auto 0;padding:0 24px;font-size:14px;font-weight:1000;box-shadow:0 7px #d8832d,0 14px 30px #00051b47}.primary-game-button:active{transform:translateY(5px);box-shadow:0 2px #d8832d}.control-hint{color:#bec9dc;letter-spacing:.08em;margin-top:26px;font-size:10px;font-weight:800}.control-hint span{color:#ffffff61;margin:0 7px}kbd{color:#fff;background:#ffffff1a;border:1px solid #ffffff38;border-bottom-width:3px;border-radius:7px;place-items:center;min-width:27px;height:27px;margin-right:5px;font:850 11px/1 inherit;display:inline-grid}.compact-overlay h2{letter-spacing:-.06em;margin:0;font-size:clamp(40px,11vw,60px);font-style:italic;font-weight:1000}.result-grid{grid-template-columns:repeat(3,1fr);gap:7px;margin-top:24px;display:grid}.result-grid div{border:1px solid var(--line);background:#ffffff12;border-radius:13px;place-content:center;min-height:72px;display:grid}.result-grid span{color:#aebbd1;font-size:9px;font-weight:750}.result-grid strong{color:var(--yellow);margin-top:3px;font-size:22px}.keyboard-controls{z-index:6;color:#d8e2f2;letter-spacing:.08em;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);pointer-events:none;background:#040b229e;border:1px solid #ffffff1f;border-radius:15px;justify-content:space-between;align-items:center;min-height:48px;font-size:10px;font-weight:850;display:flex;position:absolute;bottom:18px;left:18px;right:18px}.keyboard-controls span{padding:0 12px}.keyboard-controls span:nth-child(2){color:#9feeff}.keyboard-controls kbd{margin:0 3px}.touch-only,.desktop-rail{display:none}.rail-copy h2,.intro-section h2,.controls-copy h2,.faq-section h2{letter-spacing:-.05em;margin:10px 0 0;font-size:clamp(30px,4vw,48px);font-weight:900;line-height:1.08}.eyebrow{color:var(--cyan);letter-spacing:.22em;margin:0;font-size:11px;font-weight:900}.rail-copy>p:not(.eyebrow){color:var(--muted);margin:22px 0 0;line-height:1.75}.text-link{color:var(--yellow);gap:18px;margin-top:24px;font-size:13px;font-weight:850;display:inline-flex}.ad-placeholder,.ad-slot{color:#65718c;text-align:center;background:#ffffff06;border:1px dashed #ffffff2e;border-radius:22px;place-content:center;min-height:190px;padding:24px;display:grid}.ad-placeholder span{letter-spacing:.22em;font-size:9px;font-weight:850}.ad-placeholder p{margin:8px 0 0;font-size:11px}.intro-section,.controls-section,.faq-section{border-top:1px solid var(--line);gap:36px;width:min(1120px,100% - 40px);margin:0 auto;padding:clamp(66px,10vw,120px) 0;display:grid}.intro-section>p,.controls-copy>p:not(.eyebrow){color:var(--muted);margin:0;font-size:16px;line-height:1.9}.feature-grid{gap:12px;width:min(1120px,100% - 40px);margin:0 auto clamp(70px,10vw,120px);display:grid}.feature-grid article{border:1px solid var(--line);background:linear-gradient(145deg,#ffffff13,#ffffff06);border-radius:24px;min-height:260px;padding:26px}.feature-number{color:var(--yellow);letter-spacing:.18em;font-size:12px;font-weight:950}.feature-grid h3{letter-spacing:-.02em;margin:50px 0 13px;font-size:19px;font-weight:900}.feature-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.75}.control-demo{border:1px solid var(--line);background:linear-gradient(160deg,#1c3c89,#209dbb);border-radius:28px;grid-template-columns:1fr 1fr;min-height:270px;display:grid;overflow:hidden}.control-demo div{text-align:center;place-content:center;display:grid}.control-demo div+div{border-left:1px solid #ffffff2e}.control-demo span{background:#06113340;border:2px solid #ffffff8c;border-radius:50%;place-items:center;width:76px;height:76px;margin:0 auto 15px;font-size:34px;display:grid}.control-demo b{letter-spacing:.14em;font-size:14px}.control-demo small{color:#ffffffa8;margin-top:5px}.mobile-ad-wrap{width:100%;margin:24px 0 0;display:block}.mobile-ad-wrap .ad-placeholder{min-height:130px}.mobile-challenge-copy{margin:0 0 32px;display:block}.mobile-challenge-copy h2{font-size:clamp(32px,8vw,42px)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{color:#eaf0fa;cursor:pointer;justify-content:space-between;align-items:center;gap:20px;min-height:74px;font-size:15px;font-weight:750;list-style:none;display:flex}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--yellow);font-size:24px;font-weight:400;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list details p{color:var(--muted);margin:-4px 40px 24px 0;font-size:14px;line-height:1.8}.site-footer{border-top:1px solid var(--line);gap:30px;width:min(1120px,100% - 40px);margin:0 auto;padding:60px 0 34px;display:grid}.site-footer p{color:#7886a2;max-width:450px;margin:12px 0 0;font-size:13px}.site-footer nav{color:#aab6ca;flex-wrap:wrap;gap:14px 24px;font-size:12px;font-weight:700;display:flex}.site-footer small{color:#56617a}.content-page{width:min(900px,100% - 40px);margin:0 auto;padding:clamp(70px,9vw,115px) 0 100px}.content-hero{max-width:760px}.content-hero h1{letter-spacing:-.065em;margin:14px 0 20px;font-size:clamp(42px,8vw,72px);font-weight:950;line-height:.98}.content-hero>p:last-child{max-width:670px;color:var(--muted);margin:0;font-size:clamp(16px,2.5vw,20px);line-height:1.75}.prose-card{margin-top:clamp(50px,8vw,82px)}.prose-card section{border-top:1px solid var(--line);padding:34px 0}.prose-card h2{letter-spacing:-.035em;margin:0 0 15px;font-size:clamp(23px,4vw,31px);font-weight:900}.prose-card h3{margin:8px 0 12px;font-size:18px}.prose-card p{color:var(--muted);margin:0;font-size:15px;line-height:1.9}.guide-cards{gap:12px;display:grid}.guide-cards>div{border:1px solid var(--line);background:#ffffff0a;border-radius:20px;padding:26px}.guide-cards span,.contact-card>span{color:var(--cyan);letter-spacing:.2em;font-size:10px;font-weight:900}.pro-tip{background:#ffda4e12;border:1px solid #ffda4e40;border-radius:18px;gap:20px;margin:28px 0;padding:22px;display:flex}.pro-tip strong{color:var(--yellow)}.primary-link{background:var(--yellow);color:#17213d;border-radius:14px;align-items:center;gap:30px;min-height:54px;margin-top:24px;padding:0 24px;font-size:14px;font-weight:900;display:inline-flex}.contact-card{background:#70e9ff0d;border-radius:22px;border:1px solid #70e9ff40!important;padding:28px!important}.contact-card a,.contact-card strong{color:#fff;word-break:break-word;margin:12px 0;font-size:clamp(20px,4vw,32px);display:block}@media (min-width:720px){.intro-section,.controls-section,.faq-section{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:80px}.feature-grid{grid-template-columns:repeat(3,1fr)}.site-footer{grid-template-columns:1.2fr 1fr;align-items:start}.site-footer small{grid-column:1/-1}.guide-cards{grid-template-columns:1fr 1fr}}@media (min-width:960px){.arcade-section{grid-template-columns:470px 1fr;padding-top:45px;padding-bottom:90px}.desktop-rail{gap:60px;display:grid}.desktop-rail .ad-placeholder,.desktop-rail .ad-slot{margin-top:20px}.mobile-ad-wrap,.mobile-challenge-copy{display:none}}@media (max-width:719px){.site-header{min-height:58px;padding-inline:18px}.site-header nav{gap:14px}.site-header nav a{font-size:11px}.site-header nav a:nth-child(2){display:none}.arcade-section{padding:14px 0 58px}.mobile-challenge-copy{padding:10px 20px 0}.game-kicker{width:min(100%,56.25dvh - 41.625px);margin:0 auto;padding-inline:4px}.game-frame{border-radius:0;width:min(100%,56.25dvh - 41.625px);max-height:calc(100dvh - 74px);margin-inline:auto;box-shadow:0 20px 55px #00051780}.game-frame:after{border-radius:0}.intro-section,.controls-section,.faq-section,.feature-grid{width:min(100% - 40px,560px)}.game-hud{left:10px;right:102px;top:max(10px, env(safe-area-inset-top))}.game-actions{top:max(10px, env(safe-area-inset-top));right:10px}.game-actions button{width:40px}.slow-pill{top:76px}.start-overlay{padding-inline:24px}.site-footer{padding-bottom:max(30px, env(safe-area-inset-bottom))}}@media (pointer:coarse),(max-width:719px){.keyboard-only{display:none!important}.control-hint.touch-only{display:block}.touch-controls.touch-only{z-index:7;display:flex;position:absolute;inset:42% 0 0}.touch-zone{padding-bottom:max(24px, calc(env(safe-area-inset-bottom) + 14px));color:#ffffffd1;touch-action:pan-y;background:0 0;flex:1;align-content:end;justify-items:center;gap:5px;display:grid;position:relative}.touch-zone+.touch-zone{border-left:1px solid #ffffff14}.touch-zone span{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#07103152;border:2px solid #ffffff7a;border-radius:50%;place-items:center;width:72px;height:72px;font-size:32px;display:grid;box-shadow:0 8px 24px #0000002e}.touch-zone b{letter-spacing:.18em;font-size:9px}.touch-zone:active span{background:#ffda4e4d;transform:scale(.92)}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}