@charset "UTF-8";
:root{--ink:#263d36;--muted:#6d7973;--green:#267264;--green-dark:#1b594e;--mint:#edf4ef;--bg:#fafbf8;--line:#e1e6df;--white:#fff;--radius:18px;font-family:"Pretendard","Apple SD Gothic Neo","Malgun Gothic",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none;font-size:15px;line-height:1.65}
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button.active{border-color:var(--green);background:var(--mint)}.check-label{display:flex!important;gap:12px;align-items:center}.check-label input{width:20px;min-height:20px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:var(--mint);border-radius:14px;padding:20px;font-size:12px}.stat strong{display:block;font-size:30px;color:var(--green)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);white-space:nowrap}.admin-help{font-size:12px;color:var(--muted)}.row-actions{display:flex;gap:8px}.row-actions button{font-size:11px;border:1px solid var(--line);background:white;padding:6px 10px;border-radius:6px}.is-stale{opacity:.55}.is-stale::after{content:'입력값이 바뀌었어요. 다시 계산해 주세요.';display:block;font-size:12px;margin-top:20px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.faq-edit{border:1px solid var(--line);border-radius:10px;padding:15px;margin:16px 0}.faq-edit legend{font-size:12px;color:var(--muted)}
@media(min-width:1100px){.tool-grid>.tool-card:nth-child(n+9){min-height:210px}}
@media(max-width:1000px){.tool-grid{grid-template-columns:repeat(3,1fr)}.header-note{display:none}.header-inner{justify-content:space-between;gap:20px}.intro-note{padding-right:20px}.home-intro h1{font-size:34px}}
@media(max-width:760px){.tool-grid{grid-template-columns:repeat(2,1fr)}.header-inner{padding:0 20px;min-height:72px}.header-inner nav{gap:16px}.header-inner nav a:not(:first-child){display:none}main{padding:0 20px 50px}.brand{font-size:19px}.home-intro{padding:33px 0 27px}.home-intro h1{font-size:29px;letter-spacing:-1.3px}.home-intro p{font-size:13px}.intro-note{display:none}.catalog{padding-top:24px}.section-heading h2{font-size:22px}.category-tabs{margin-right:-20px}.category-tabs button{padding:8px 14px}.tool-grid{gap:12px}.tool-card{padding:18px;min-height:215px}.tool-card h3{font-size:17px}.tool-card p{font-size:12px;word-break:normal}.calculator-workspace{grid-template-columns:1fr}.result-panel{border-left:0;border-top:1px solid var(--line)}.calc-form,.result-panel{padding:24px}.calculator-heading{gap:12px;align-items:start}.calculator-heading h1{font-size:24px}.calculator-heading p{font-size:13px}.calculator-heading>.tool-icon{width:42px;height:42px;font-size:22px}.breadcrumbs{font-size:10px;gap:8px}.fields{gap:18px 14px}.result-content{padding-top:0}.result-value{font-size:50px}.result-subgrid{grid-template-columns:1fr}.product-grid{grid-template-columns:1fr}.product-card{display:grid;grid-template-columns:115px 1fr}.product-card img{height:130px;padding:10px;margin-top:15px}.product-body{padding:18px 14px}.product-body .button{font-size:12px;padding:10px;min-height:42px}.product-body h3{font-size:15px}.related-links{grid-template-columns:1fr}.trust-strip{gap:12px;justify-content:space-between;font-size:9px}.footer-inner{padding:30px 20px}.footer-inner nav{gap:15px}.home-calculator{margin-top:36px}.admin-two{grid-template-columns:1fr}.admin-picker{display:grid;grid-template-columns:1fr 1fr}.admin-stats{grid-template-columns:1fr 1fr}.admin-card{padding:18px}.policy{margin:40px 0}.policy h1{font-size:28px}.text-link{font-size:11px;white-space:nowrap}}
@media(max-width:370px){main{padding-left:14px;padding-right:14px}.tool-card{padding:14px}.fields{grid-template-columns:1fr}.home-intro h1{font-size:26px}.trust-strip{flex-direction:column;align-items:center}.brand{font-size:17px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

@media(max-width:760px){.field:has(select){grid-column:1/-1}.field select{font-size:14px}}

/* Independent free hub: navy, citrus and warm paper. */
:root{--ink:#1c2543;--muted:#737788;--green:#3444be;--green-dark:#273591;--mint:#eef0ff;--bg:#f6f7fb;--line:#e2e5ee;--radius:20px}
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#edf0f7;max-width:430px}.board-label{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:.13em;color:#667292}.board-label>span:last-child{font-size:28px;color:#9daae3}.hero-equation{padding:14px 0 22px;border-bottom:1px solid #ccd5ef;display:flex;flex-direction:column;gap:0;font-variant-numeric:tabular-nums;letter-spacing:-2px}.hero-equation>span{font-size:33px;color:#7887b2;text-decoration:line-through;text-decoration-color:#a7b2d0;text-decoration-thickness:2px}.hero-equation>b{align-self:flex-end;font-size:24px;line-height:1.2;color:#6677d1}.hero-equation>strong{font-size:68px;line-height:1.3;letter-spacing:-4px;color:#28385e}.hero-equation small{font-size:20px;letter-spacing:0;margin-left:9px}.board-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:22px;font-size:12px;line-height:1.8;color:#697393}.board-bottom b{color:#354368}.tile-stack{display:flex;gap:5px;transform:rotate(5deg)}.tile-stack 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p{font-size:12px;color:#747780;line-height:1.8;max-width:250px;margin-bottom:17px}.game-cta{font-size:11px;font-weight:700}.promise-strip{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);gap:40px;margin-top:60px;padding-top:30px}.promise-strip>div>span{font-size:10px;color:#a0a8bd}.promise-strip h3{font-size:16px;margin:7px 0}.promise-strip p{font-size:12px;color:var(--muted);margin:0}footer{background:#edf0f6}.footer-inner{max-width:1264px;padding:35px 32px}.page-heading{padding-top:42px}.page-heading h1{font-size:34px}.calculator-heading{margin-bottom:28px}.calc-form{padding:34px}.calculator-workspace{box-shadow:0 9px 28px #29385b06;border-color:#dce1ee}.result-panel{background:#edf0fd;border-color:#dbe1f4}.result-panel .step-dot{background:#dce3fc}.result-eyebrow,.result-placeholder,.result-content>p:last-child{color:#7682a5}.result-value{color:#2e3d77}.result-subgrid{border-color:#d4dbf1}.result-subgrid>div{color:#73809f}.result-subgrid strong{color:#3a4872}.step-dot{background:#edf0fa}.calculate-button{border-radius:11px;background:#3444be}.result-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}.result-actions .button{font-size:11px;padding:9px 13px;min-height:40px}.sponsor-button small{font-weight:400;font-size:9px;opacity:.8}.sponsor-slot{background:#fff;border:1px solid var(--line);border-radius:16px;margin:42px 0;padding:24px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}.ad-label{font-size:9px;color:#979daa;display:block;width:100%}.sponsor-slot>div{flex:1}.sponsor-slot h3{font-size:17px;margin:0 0 6px}.sponsor-slot p{font-size:12px;color:var(--muted);margin:0}.sponsor-slot>.disclosure{width:100%;font-size:10px}.sponsor-dialog{border:1px solid var(--line);border-radius:22px;padding:32px;max-width:440px;width:calc(100% - 40px);color:var(--ink);box-shadow:0 20px 60px #0003}.sponsor-dialog::backdrop{background:#14213d77}.sponsor-dialog h2{font-size:24px;margin-top:16px}.sponsor-dialog p{font-size:13px}.sponsor-dialog .disclosure{font-size:10px;margin:20px 0}.dialog-close{position:absolute;right:12px;top:8px;background:none;border:0;font-size:29px;color:#9aa1b2}.game-heading{text-align:center;padding-top:15px}.game-arena{max-width:660px;margin:auto;padding:26px;border-radius:24px;text-align:center;border:1px solid #00000008}.game-score{display:grid;grid-template-columns:1fr 1fr;gap:20px;background:#ffffff9e;border-radius:15px;padding:15px;margin-bottom:22px}.game-score small{display:block;font-size:11px;color:var(--muted)}.game-score strong{font-size:26px;font-variant-numeric:tabular-nums}.game-surface{min-height:170px}.game-status{font-size:13px;min-height:24px;margin:20px 0}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.memory-card{aspect-ratio:1.2;background:#fff;border:1px solid #ebd5ca;border-radius:12px;font-size:30px;color:#c6a48f;box-shadow:0 3px 0 #ebd7ca;min-height:60px}.memory-card.flipped{background:#fff9f4;border-color:#cbb291}.memory-card:disabled{opacity:1;cursor:default;box-shadow:none;background:#e9efd8;border-color:#d5dfb8}.number-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:9px}.number-grid button{aspect-ratio:1.1;border:1px solid #ccd5f2;background:white;border-radius:10px;font-size:23px;font-weight:700;color:#506195;min-height:50px}.number-grid button.found{opacity:.2;background:#e3e7f4;cursor:default}.reaction-pad{border-radius:18px;display:grid;place-items:center;background:#fff9;min-height:260px}.reaction-target{width:100%;min-height:260px;border:0;background:transparent;border-radius:18px;font-size:20px;font-weight:700;color:inherit;padding:30px}.reaction-pad.waiting{background:#eed7d3;color:#916b65}.reaction-pad.ready{background:#b5d486;color:#294e22}.reaction-pad.early{background:#ffdfd4;color:#936355}.game-instructions{margin:38px auto 0}.game-instructions h2{font-size:21px}.game-instructions p{font-size:13px}.adsbygoogle{display:block;min-width:250px;width:100%}.game-arena+.sponsor-slot{margin-top:160px}
@media(max-width:1050px){.hero{gap:38px}.hero h1{font-size:39px}.hero-board{padding:24px}.hero-equation>strong{font-size:58px}.header-note{display:none}.quick-rail>a{padding:0 17px}.quick-rail small{font-size:7px}.tool-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.header-inner{padding:0 20px;min-height:70px;gap:14px}.brand{font-size:19px}.logo{width:32px;height:35px}.header-inner nav{gap:16px;font-size:12px}.header-inner nav a:nth-child(2){display:inline}.header-inner nav a:nth-child(n+3){display:none}.nav-new{display:none}main{padding:0 20px 55px}.hero{padding:35px 0 30px;gap:20px;grid-template-columns:1fr}.hero h1{font-size:35px;letter-spacing:-1.9px;line-height:1.4;margin:18px 0 13px}.hero-copy>p{font-size:13px;margin-bottom:21px}.hero-actions{gap:16px}.hero-actions .button{font-size:12px;padding:11px 16px;min-height:46px}.quiet-link{font-size:11px}.hero-facts{margin-top:22px;gap:19px}.hero-facts b{font-size:15px}.hero-board{margin:12px 8px 8px;max-width:none;transform:rotate(-1deg);padding:18px 22px;box-shadow:7px 8px 0 #e9edf7}.board-label{font-size:8px}.hero-equation{flex-direction:row;align-items:center;justify-content:space-between;padding:17px 0;gap:8px}.hero-equation>span{font-size:21px;letter-spacing:-1px}.hero-equation>b{font-size:16px;align-self:center}.hero-equation>strong{font-size:36px;letter-spacing:-2px}.hero-equation small{font-size:13px;margin-left:4px}.board-bottom{padding-top:14px;font-size:10px}.tile-stack span{width:32px;height:34px;font-size:20px}.floating-tag{bottom:53px;right:-5px;padding:6px 9px;font-size:8px}.quick-rail{grid-template-columns:1fr 1fr;padding:5px 0;margin:10px 0 34px}.quick-rail>a{padding:13px 15px}.quick-rail>a:nth-child(2){border:0}.quick-rail>a:nth-child(n+3){border-top:1px solid var(--line)}.quick-rail>a>span:first-child{font-size:23px;width:23px}.quick-rail b{font-size:12px}.quick-rail>a>span:last-child{font-size:12px}.section-heading h2{font-size:22px}.section-count{font-size:9px}.search-box{padding:0 12px}.search-box input{font-size:11px}.search-box kbd{display:none}.category-tabs{margin-right:-20px}.tool-grid{grid-template-columns:repeat(2,1fr);gap:11px}.tool-card{min-height:210px}.tool-card-link{padding:18px 15px;min-height:210px}.tool-card h3{font-size:16px}.tool-card p{font-size:11px;line-height:1.7}.tool-icon{width:36px;height:38px;font-size:20px}.favorite{right:8px;top:10px;font-size:20px}.game-cards{grid-template-columns:1fr;gap:12px}.game-card{padding:23px;min-height:0}.game-card .eyebrow{margin:0 0 12px}.game-card h3{font-size:20px;display:block}.game-card h3>span{display:none}.game-card p{max-width:calc(100% - 70px);font-size:11px;margin-bottom:10px}.game-symbol{width:55px;height:57px;margin-top:14px}.play-section{margin-top:37px}.promise-strip{gap:18px;margin-top:40px;padding-top:24px;grid-template-columns:1fr}.promise-strip>div{padding-left:30px;position:relative}.promise-strip>div>span{position:absolute;left:0;top:9px}.promise-strip h3{font-size:15px;margin:5px 0}.promise-strip p{font-size:11px}.footer-inner{padding:30px 20px}.page-heading h1{font-size:29px}.calc-form,.result-panel{padding:24px}.sponsor-slot{padding:20px;gap:14px}.sponsor-slot>.button{width:100%}.game-arena{padding:18px}.game-score strong{font-size:22px}.memory-grid,.number-grid{gap:7px}.memory-card{font-size:24px;min-height:48px}.number-grid button{font-size:20px;min-height:44px}.reaction-target,.reaction-pad{min-height:230px}.game-heading h1{font-size:29px}.game-heading p{font-size:13px}.game-status{font-size:12px}}
@media(max-width:370px){main{padding-left:14px;padding-right:14px}.header-inner{padding:0 14px;gap:12px}.brand{font-size:17px}.header-inner nav{gap:10px}.hero h1{font-size:30px}.hero-equation>strong{font-size:29px}.hero-equation>span{font-size:18px}.hero-actions{gap:12px}.hero-facts{gap:12px}.tool-card-link{padding:15px 12px}.tool-card h3{font-size:15px}}
.sponsor-banner-link{display:block;max-width:100%;flex:0 0 auto}.sponsor-banner{display:block;max-width:100%;height:auto;border-radius:8px}.sponsor-copy{min-width:200px}.sponsor-copy>.button{margin-top:18px}.sponsor-dialog{max-height:90vh;overflow:auto}.sponsor-dialog>.sponsor-banner-link{width:300px;margin:16px auto}.sponsor-dialog>.button{display:flex;justify-content:center}.ad-label{font-size:11px;color:#60697c}.sponsor-slot>.disclosure,.sponsor-dialog .disclosure{font-size:12px;line-height:1.7}@media(max-width:760px){.sponsor-slot>.sponsor-banner-link{margin:auto}.sponsor-copy{width:100%;text-align:center}.sponsor-copy>.button{width:100%}}