:root {
  color-scheme: dark;
  --ink: #111214;
  --surface: #1b1d21;
  --paper: #f4f5f7;
  --muted: #adb3be;
  --line: #333538;
  --lime: #d6f56a;
  --coral: #ff8a80;
  font-family: Arial, "Noto Sans KR", "Malgun Gothic", sans-serif;
  background: var(--ink);
  color: var(--paper);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 110px; }
html.js { scroll-behavior: smooth; }
body { margin: 0; word-break: keep-all; overflow-wrap: anywhere; }
button, a, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
button, summary { cursor: pointer; }
img { display: block; max-width: 100%; }
h1, h2, h3, p { margin: 0; }
::selection { background: var(--lime); color: var(--ink); }
:focus-visible { outline: 3px solid var(--lime); outline-offset: 6px; }
.about :focus-visible, .product-card :focus-visible { outline-color: var(--ink); }
.container { width: min(1280px, calc(100% - 112px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; border: 0; }
.skip-link { position: fixed; z-index: 20; top: 12px; left: 12px; padding: 14px 20px; color: var(--ink); background: var(--lime); transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { position: sticky; top: 0; z-index: 10; background: rgba(17, 18, 20, .96); border-bottom: 1px solid var(--line); }
.header-inner { height: 94px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { width: 150px; height: 44px; object-fit: contain; }
#main-nav { display: flex; align-items: center; gap: 38px; font-size: 14px; }
#main-nav a { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; transition: color .2s; }
#main-nav a:hover, #main-nav a[aria-current] { color: var(--lime); }
.nav-dot { width: 4px; height: 4px; border-radius: 50%; background: transparent; }
[aria-current] .nav-dot { background: var(--lime); }
#main-nav .nav-action { border-left: 1px solid var(--line); padding-left: 32px; margin-left: 6px; gap: 20px; font-size: 13px; }
#main-nav .nav-account { display: inline-flex; align-items: center; }
.nav-logout { margin: 0; }
.nav-logout button { min-height: 44px; padding: 0; border: 0; background: none; color: var(--muted); font: inherit; cursor: pointer; transition: color .2s; }
.nav-logout button:hover { color: var(--lime); }
.menu-toggle { display: none; }
.hero { padding-top: 78px; display: grid; grid-template-columns: 1.12fr 1fr; gap: 0 56px; }
.eyebrow { display: flex; align-items: center; gap: 9px; font-size: 12px; line-height: 1.6; letter-spacing: 1.5px; font-weight: 600; }
.status-dot { width: 6px; height: 6px; background: var(--lime); border-radius: 50%; }
.hero h1 { font-size: clamp(70px, 7.65vw, 110px); letter-spacing: -.085em; font-weight: 750; line-height: 1.18; margin: 30px 0 27px; }
.hero h1 > span { color: var(--lime); }
.hero-description { color: var(--muted); line-height: 1.85; font-size: 17px; letter-spacing: -.55px; }
.button { min-height: 54px; display: inline-flex; align-items: center; justify-content: space-between; gap: 48px; padding: 0 23px; font-size: 14px; font-weight: 700; }
.button span { font-size: 23px; transition: transform .2s; }
.button:hover span { transform: translate(3px, -3px); }
.button-lime { color: var(--ink); background: var(--lime); margin-top: 32px; transition: background .2s; }
.button-lime:hover { background: #e1ff7d; }
.hero-art { background: var(--lime); color: var(--ink); min-height: 470px; align-self: stretch; position: relative; overflow: hidden; }
.art-top, .art-bottom { display: flex; justify-content: space-between; align-items: center; position: absolute; z-index: 2; left: 26px; right: 26px; font-size: 10px; letter-spacing: 1.5px; font-weight: 700; }
.art-top { top: 25px; }
.art-top > span:last-child { font-size: 26px; line-height: 1; }
.art-bottom { bottom: 25px; line-height: 1.7; }
.art-plus { font-size: 34px; font-weight: 400; }
.art-grid { position: absolute; inset: 0; background-image: linear-gradient(#1112140a 1px, transparent 1px), linear-gradient(90deg, #1112140a 1px, transparent 1px); background-size: 25% 25%; }
.hero-monogram { position: absolute; height: 65%; width: 65%; object-fit: contain; left: 17.5%; top: 16.5%; transform: rotate(-12deg); animation: settle-in 1.2s cubic-bezier(.2,.7,.2,1) both; }
.orbit { position: absolute; border: 1px solid #11121426; width: 83%; height: 83%; left: 8.5%; top: 8.5%; border-radius: 50%; }
.orbit-two { width: 112%; height: 112%; left: -6%; top: -6%; }
@keyframes settle-in { from { transform: translateY(22px) rotate(-18deg); opacity: 0; } to { transform: translateY(0) rotate(-12deg); opacity: 1; } }
.hero-foot { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; padding: 38px 0 30px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.hero-foot a { display: flex; align-items: center; gap: 25px; font-size: 9px; letter-spacing: 1.4px; min-height: 36px; }
.hero-foot a span { font-size: 20px; color: var(--paper); }
.section { padding-top: 106px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 32px; margin-bottom: 42px; }
.muted { color: var(--muted); }
h2 { font-size: clamp(32px, 3.4vw, 46px); line-height: 1.4; letter-spacing: -2px; font-weight: 650; margin-top: 23px; }
.section-description { font-size: 14px; line-height: 1.9; color: var(--muted); padding-bottom: 4px; }
.product-card { display: grid; grid-template-columns: 1.05fr 1fr; background: var(--paper); color: var(--ink); }
.product-copy { padding: 40px 44px 30px; }
.product-meta { display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 10px; letter-spacing: 1.2px; }
.product-status { display: flex; align-items: center; gap: 6px; padding: 7px 10px; border: 1px solid #11121438; font-size: 11px; letter-spacing: -.3px; border-radius: 20px; white-space: nowrap; }
.product-status > span { width: 5px; height: 5px; background: #62666b; border-radius: 50%; }
.product-copy h3 { margin-top: 46px; font-size: 49px; letter-spacing: -2.7px; font-weight: 750; }
.product-period { color: #b5463e; }
.product-subtitle { margin-top: 17px; font-size: 18px; letter-spacing: -.6px; }
.product-description { margin-top: 17px; font-size: 14px; color: #5a5f66; line-height: 1.85; }
.endorsement { display: block; font-size: 14px; margin-top: 28px; }
.product-details { margin-top: 38px; border-top: 1px solid #1112142b; }
.product-details summary, .product-story-link { display: flex; align-items: center; justify-content: space-between; padding: 18px 0 4px; min-height: 45px; list-style: none; font-size: 13px; font-weight: 700; }
.product-details summary::-webkit-details-marker { display: none; }
.details-icon { font-size: 24px; font-weight: 400; transition: transform .2s; }
.product-details[open] .details-icon { transform: rotate(45deg); }
.details-content { padding: 14px 0 4px; font-size: 13px; line-height: 1.8; color: #5a5f66; }
.details-content p + p { margin-top: 10px; }
.product-art { position: relative; background: var(--coral); overflow: hidden; min-height: 470px; display: grid; place-items: center; }
.illustration-label { position: absolute; top: 27px; left: 29px; font-size: 9px; letter-spacing: 1.5px; line-height: 1.7; }
.illustration-foot { position: absolute; bottom: 27px; right: 29px; font-size: 11px; }
.paper { position: absolute; width: 220px; height: 278px; background: #fffaf5; border: 1px solid #111214; box-shadow: 3px 6px 0 #1112140a; }
.paper-back { transform: translate(31px, 9px) rotate(13deg); background: #ef746b; }
.paper-middle { transform: translate(-19px, 4px) rotate(-12deg); background: #ffc1b3; }
.paper-front { transform: rotate(-3deg); padding: 22px; display: flex; flex-direction: column; transition: transform .35s; }
.product-card:hover .paper-front { transform: translateY(-5px) rotate(0); }
.paper-top, .paper-bottom { display: flex; align-items: center; justify-content: space-between; font-size: 9px; letter-spacing: .8px; }
.paper-top > span:last-child { font-size: 20px; }
.pdf-type { display: flex; align-items: center; margin: 24px 0 22px; font-size: 58px; font-weight: 800; letter-spacing: -4px; }
.pdf-type > span { font-size: 46px; color: #b5463e; letter-spacing: -8px; }
.paper-lines { display: grid; gap: 9px; }
.paper-lines i { width: 100%; height: 3px; background: #d6d1cc; }
.paper-lines i:last-child { width: 65%; }
.paper-bottom { margin-top: auto; border-top: 1px solid #111214; padding-top: 12px; }
.products-foot { display: flex; gap: 12px; align-items: center; margin-top: 23px; font-size: 12px; color: var(--muted); line-height: 1.7; }
.tiny-cross { color: var(--lime); font-size: 21px; }
.philosophy { padding-bottom: 115px; }
.principles { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); }
.principle { margin-top: 30px; padding: 0 30px; border-left: 1px solid var(--line); }
.principle:first-child { padding-left: 0; border-left: 0; }
.principle:last-child { padding-right: 0; }
.principle-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.principle-top > span { font-size: 9px; color: var(--muted); letter-spacing: 1.2px; padding-top: 5px; }
.principle svg { width: 46px; height: 46px; fill: none; stroke: var(--lime); stroke-width: 1.5; }
.principle h3 { font-size: 21px; font-weight: 600; letter-spacing: -.9px; margin-top: 33px; }
.principle p { color: var(--muted); font-size: 13px; line-height: 1.95; margin-top: 16px; }
.about { background: var(--lime); color: var(--ink); }
.about-inner { display: grid; grid-template-columns: 1.1fr 1fr; gap: 95px; padding-block: 80px 85px; }
.about h2 { margin-top: 36px; font-size: clamp(34px, 3.7vw, 51px); font-weight: 700; line-height: 1.4; letter-spacing: -2.4px; }
.about-signature { display: flex; align-items: center; gap: 22px; margin-top: 51px; }
.about-signature img { width: 150px; height: 44px; object-fit: contain; }
.about-signature span { font-size: 13px; border-left: 1px solid #11121450; padding-left: 22px; }
.about-copy { padding-top: 4px; }
.about-asterisk { font-size: 53px; line-height: 1; display: block; margin-bottom: 25px; }
.about-copy p { max-width: 430px; font-size: 15px; line-height: 1.9; letter-spacing: -.4px; }
.about-copy .about-lead { font-size: 20px; font-weight: 700; margin-bottom: 15px; }
.about-copy p + p { margin-top: 16px; }
.text-link { display: inline-flex; gap: 35px; align-items: center; border-bottom: 1px solid #111214; padding-block: 10px; margin-top: 20px; font-size: 13px; font-weight: 700; }
.text-link span { font-size: 21px; }
.closing { padding-block: 93px 87px; }
.closing p { color: var(--muted); font-size: 10px; letter-spacing: 1.6px; }
.closing > div { display: flex; justify-content: space-between; align-items: center; font-size: clamp(46px, 6.2vw, 88px); font-weight: 650; letter-spacing: -4px; margin-top: 22px; }
.closing-dots { color: var(--lime); letter-spacing: 12px; font-family: Georgia, serif; font-size: 1.5em; line-height: .8; }
.site-footer { display: flex; align-items: center; justify-content: space-between; gap: 25px; min-height: 118px; border-top: 1px solid var(--line); }
.site-footer .brand img { width: 124px; height: 37px; }
.site-footer p { color: var(--muted); font-size: 11px; }
.footer-divider { margin: 0 12px; color: #62666b; }
.back-top { display: flex; align-items: center; gap: 24px; min-height: 44px; font-size: 11px; }
.back-top span { font-size: 20px; }

@media (min-width: 1600px) { .hero { padding-top: 95px; } .hero-art { min-height: 515px; } }
@media (max-width: 1100px) {
  .container { width: calc(100% - 72px); }
  .hero { gap: 0 32px; padding-top: 60px; }
  .hero h1 { font-size: 84px; }
  .hero-art { min-height: 460px; }
  .product-copy { padding: 30px 28px 25px; }
  .product-copy h3 { font-size: 43px; }
  .section-description { font-size: 13px; }
  .principle { padding-inline: 22px; }
  .principle h3 { font-size: 19px; }
  .principle p { font-size: 12px; }
  .about-inner { gap: 50px; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 90px; }
  .container { width: calc(100% - 40px); }
  .header-inner { height: 76px; }
  .brand img { width: 130px; height: 39px; }
  #main-nav { gap: 22px; font-size: 13px; }
  #main-nav .nav-action { display: none; }
  .hero { grid-template-columns: 1fr; padding-top: 46px; }
  .hero h1 { font-size: clamp(72px, 13vw, 94px); margin-block: 24px; }
  .hero-description { font-size: 15px; }
  .hero-art { margin-top: 42px; min-height: 0; aspect-ratio: 1.25; }
  .hero-foot { padding-block: 23px; gap: 20px; }
  .hero-foot > span { max-width: 180px; font-size: 10px; line-height: 1.7; }
  .hero-foot a { gap: 10px; font-size: 8px; }
  .section { padding-top: 72px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 20px; margin-bottom: 30px; }
  h2 { font-size: 35px; margin-top: 18px; letter-spacing: -1.8px; }
  .product-card { grid-template-columns: 1fr; }
  .product-copy { padding: 28px; }
  .product-copy h3 { margin-top: 30px; }
  .product-art { min-height: 390px; }
  .products-foot { align-items: flex-start; }
  .principles { grid-template-columns: 1fr; }
  .principle, .principle:first-child, .principle:last-child { padding: 25px 0 30px; margin-top: 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .principle h3 { font-size: 23px; margin-top: 8px; }
  .principle p { font-size: 14px; }
  .principle-top > span { font-size: 10px; }
  .philosophy { padding-bottom: 72px; }
  .about-inner { grid-template-columns: 1fr; padding-block: 50px; gap: 42px; }
  .about h2 { margin-top: 25px; font-size: 36px; letter-spacing: -1.7px; }
  .about-signature { margin-top: 30px; }
  .about-copy { border-top: 1px solid #11121440; padding-top: 25px; }
  .about-asterisk { display: none; }
  .about-copy p { max-width: none; font-size: 14px; }
  .about-copy .about-lead { font-size: 18px; }
  .closing { padding-block: 60px; }
  .closing p { font-size: 8px; letter-spacing: .9px; }
  .closing > div { font-size: clamp(32px, 7.3vw, 55px); letter-spacing: -2px; }
  .closing-dots { letter-spacing: 4px; }
  .site-footer { flex-wrap: wrap; padding-block: 26px; gap: 20px; }
  .site-footer p { order: 3; flex-basis: 100%; font-size: 10px; }
}
@media (max-width: 480px) {
  .js .menu-toggle { display: flex; align-items: center; gap: 16px; min-height: 44px; border: 0; background: none; color: var(--paper); padding: 0 3px; font-size: 12px; }
  .menu-toggle span { font-size: 25px; transition: transform .2s; }
  .menu-toggle[aria-expanded="true"] span { transform: rotate(45deg); }
  .js #main-nav { display: none; position: absolute; left: 0; right: 0; top: 76px; padding: 16px 20px 22px; background: var(--ink); border-bottom: 1px solid var(--line); }
  .js #main-nav.is-open { display: flex; flex-direction: column; align-items: stretch; gap: 8px; }
  .js #main-nav .nav-action { display: inline-flex; border-left: 0; padding-left: 0; margin-left: 0; }
  .hero h1 { font-size: 78px; }
  .hero-art { aspect-ratio: 1.08; }
  .art-top, .art-bottom { left: 20px; right: 20px; font-size: 8px; }
  .product-copy { padding-inline: 23px; }
  .product-meta { font-size: 9px; }
  .product-subtitle { font-size: 16px; }
  .product-description { font-size: 13px; }
  .product-art { min-height: 350px; }
  .paper { width: 190px; height: 244px; }
  .pdf-type { font-size: 49px; margin-block: 16px; }
  .pdf-type > span { font-size: 38px; }
  .paper-front { padding: 18px; }
  .illustration-label { top: 17px; left: 20px; font-size: 8px; }
  .illustration-foot { bottom: 18px; right: 20px; font-size: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html.js { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
