:root{--font:"Galmuri11","Malgun Gothic",sans-serif;--paper:#f8f5ea;--ink:#263f34;--muted:#52614f;--line:#c8cdbb;--green:#304c3d;--yellow:#efc74c;font-family:var(--font);color:var(--ink);background:#e8ebdd;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;font-size:16px;line-height:1.85;background-image:radial-gradient(#70816618 .7px,transparent .7px);background-size:5px 5px}a{color:inherit;text-underline-offset:5px;text-decoration-thickness:1px;touch-action:manipulation}a:hover{text-decoration-thickness:2px}a:focus-visible,select:focus-visible{outline:3px solid 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28px;background:#edf0e4;border-left:5px solid #617759}.video-note h3{margin-bottom:12px}.video-note ul{margin:14px 0 0;padding-left:21px}.video-note li+li{margin-top:9px}@media(max-width:720px){.advertise-shell{padding:0 20px}.page-header{padding:14px 0}.intro{padding:34px 0}.creative-grid{grid-template-columns:1fr;gap:22px}.creative-card{padding:22px}.placement-description{min-height:0}.guide-figure{margin:20px 0}.block-figure img{width:200px}.sign-figure{min-height:0}.sign-figure img{max-width:480px}.production-note{padding:22px 20px}.inquiry-section{padding:40px 0 44px}.inquiry-paper{padding:24px}.intro-copy{font-size:18px}}@media(max-width:390px){.advertise-shell{padding:0 14px}.page-header{gap:6px}.page-header .back-link{font-size:14px}.language-nav{gap:0}.language-nav a{padding:6px;min-width:38px;font-size:12px}.creative-card{padding:18px}.spec-list>div{grid-template-columns:92px minmax(0,1fr);gap:9px}.spec-list dt{font-size:13px}.spec-list 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