:root {
      color-scheme: light;
      --ink: #101010;
      --paper: #ececea;
      --white: #f5f4f1;
      --red: #ff3046;
      --muted: #6b6b68;
      --display: Impact, "Arial Narrow", "Helvetica Neue", sans-serif;
      --body: "Helvetica Neue", Helvetica, Arial, sans-serif;
      --mono: "Courier New", Courier, monospace;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { margin: 0; background: var(--ink); color: var(--ink); font-family: var(--body); }
    button, a { -webkit-tap-highlight-color: transparent; }
    a { color: inherit; }
    a:focus-visible, button:focus-visible { outline: 3px solid var(--red); outline-offset: 5px; }
    .skip { position: absolute; left: -9999px; top: 0; z-index: 10; background: #fff; padding: 1rem; }
    .skip:focus { left: 1rem; top: 1rem; }
    .eyebrow { font: 700 .76rem/1.35 var(--mono); letter-spacing: .14em; text-transform: uppercase; }

    .hero {
      min-height: calc(100svh - 36px);
      margin: 18px;
      border: 3px solid var(--white);
      border-radius: 18px;
      background: var(--paper);
      display: flex;
      flex-direction: column;
      overflow: hidden;
    }
    .header {
      padding: 25px 31px 0;
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 2rem;
      position: relative;
      z-index: 2;
    }
    .wordmark {
      font: 900 1.36rem/1 var(--body);
      letter-spacing: -.055em;
      text-decoration: none;
      width: fit-content;
    }
    .header nav { display: flex; gap: clamp(1rem, 3.2vw, 3.5rem); }
    .header nav a {
      font: 700 .77rem/1.3 var(--mono);
      letter-spacing: .1em;
      text-decoration: none;
      text-transform: uppercase;
      border-bottom: 1px solid transparent;
      padding-bottom: 4px;
    }
    .header nav a:hover { border-color: currentColor; }
    .hero__stage {
      flex: 1;
      min-height: 650px;
      display: grid;
      place-items: center;
      position: relative;
      padding: 4rem 2rem;
    }
    .hero h1 {
      position: relative;
      z-index: 1;
      margin: 5rem 0 0;
      text-align: center;
      text-transform: uppercase;
      font: 900 clamp(5rem, 9.1vw, 10rem)/.86 var(--display);
      letter-spacing: -.025em;
      max-width: 1060px;
    }
    .hero h1 span { display: block; }
    .hero h1 span:first-child { margin-bottom: .04em; }
    .hero__image {
      position: absolute;
      right: 6.2%;
      top: 16%;
      width: clamp(220px, 20vw, 300px);
      aspect-ratio: 1.26;
      margin: 0;
      overflow: hidden;
      border-radius: 5px;
      background: var(--red);
    }
    .hero__image img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: 50% 50%; }
    .hero__footer {
      padding: 0 31px 24px;
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      align-items: end;
    }
    .hero__footer .eyebrow:last-child { text-align: right; }

    .section-top {
      display: flex;
      justify-content: space-between;
      gap: 1rem;
      color: #bcbcb8;
    }
    .thesis {
      background: var(--paper);
      padding: 28px clamp(24px, 3vw, 50px);
    }
    .thesis__inner {
      border-top: 1px solid var(--ink);
      border-bottom: 1px solid var(--ink);
      padding: 28px 0;
      display: grid;
      grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
      gap: clamp(30px, 8vw, 130px);
      align-items: start;
    }
    .thesis h2 {
      margin: 0;
      max-width: 430px;
      font-size: clamp(1.35rem, 2.2vw, 2.4rem);
      line-height: 1.08;
      letter-spacing: -.045em;
    }
    .thesis p { margin: 0; max-width: 760px; font-size: clamp(1.15rem, 1.65vw, 1.7rem); line-height: 1.25; font-weight: 600; letter-spacing: -.03em; }

    .market {
      background: var(--ink);
      color: var(--white);
      padding: 45px clamp(24px, 3vw, 50px) 70px;
    }
    .market h2 {
      max-width: 1400px;
      margin: clamp(75px, 10vw, 150px) 0 60px;
      text-transform: uppercase;
      font: 900 clamp(5rem, 10.8vw, 12rem)/.85 var(--display);
      letter-spacing: -.025em;
    }
    .market h2 span { color: var(--red); }
    .market__intro {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: clamp(30px, 7vw, 120px);
      max-width: 1400px;
      margin: 0 0 100px auto;
    }
    .market__intro p { margin: 0; font-size: clamp(1.25rem, 2vw, 2rem); font-weight: 600; line-height: 1.2; letter-spacing: -.03em; }
    .market__intro p:last-child { color: #bcbcb8; }
    .market__stat {
      display: grid;
      grid-template-columns: minmax(0, .8fr) minmax(0, 1fr);
      gap: clamp(24px, 6vw, 100px);
      align-items: end;
      border-top: 1px solid #747471;
      border-bottom: 1px solid #747471;
      padding: 35px 0 42px;
    }
    .market__stat strong { display: block; font: 900 clamp(7rem, 16vw, 17rem)/.78 var(--display); letter-spacing: -.03em; color: var(--red); }
    .market__stat p { max-width: 680px; margin: 0; font-size: clamp(1.8rem, 3.4vw, 3.6rem); font-weight: 700; line-height: 1.03; letter-spacing: -.05em; }
    .market__stat small { display: block; margin-top: 18px; color: #bcbcb8; font: 700 .75rem/1.5 var(--mono); letter-spacing: .08em; text-transform: uppercase; }
    .market__source { margin: 20px 0 0; color: #a9a9a5; font: 700 .7rem/1.6 var(--mono); letter-spacing: .02em; }
    .market__source a { text-underline-offset: 3px; }

    .lanes { background: var(--paper); padding: 45px clamp(24px, 3vw, 50px) 120px; }
    .lanes__title {
      margin: 90px 0 100px;
      text-align: center;
      text-transform: uppercase;
      font: 900 clamp(5rem, 11.5vw, 12.5rem)/.83 var(--display);
      letter-spacing: -.025em;
    }
    .lanes__grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 20px;
      max-width: 1600px;
      margin: 0 auto;
    }
    .lane { min-width: 0; align-self: start; border: 1px solid var(--ink); padding: 14px; background: var(--white); }
    .lane__summary { list-style: none; cursor: pointer; }
    .lane__summary::-webkit-details-marker { display: none; }
    .lane__summary:focus-visible { outline: 3px solid var(--red); outline-offset: 4px; }
    .lane__image {
      height: clamp(300px, 31vw, 510px);
      overflow: hidden;
      background: #fff;
      display: grid;
      place-items: center;
    }
    .lane__image img { display: block; width: 100%; height: 100%; object-fit: cover; }
    .lane--rednote .lane__image { background: var(--red); }
    .lane--wechat .lane__image { background: #efefef; }
    .lane--kakao .lane__image { background: #ffe600; }
    .lane--kakao .lane__image img { width: auto; max-width: 78%; object-fit: contain; object-position: top; }
    .lane--zee .lane__image { background: #050505; }
    .lane--zee .lane__image img { object-fit: contain; }
    .lane--wide { grid-column: 1 / -1; }
    .lane--wide .lane__image { height: clamp(320px, 34vw, 540px); }
    .lane--type .lane__image { padding: 28px; place-items: end start; }
    .lane--type .lane__image b { font: 900 clamp(4.5rem, 9vw, 10rem)/.82 var(--display); letter-spacing: -.035em; text-transform: uppercase; }
    .lane--google .lane__image { background: #e6e6e3; }
    .lane--baidu .lane__image { background: #d6d6d1; }
    .lane--reddit .lane__image { background: var(--red); }
    .lane__caption {
      padding: 16px 0;
      display: flex;
      justify-content: space-between;
      align-items: baseline;
      gap: 1rem;
    }
    .lane__caption strong { font: 900 clamp(1.5rem, 2.2vw, 2.3rem)/1 var(--body); letter-spacing: -.045em; }
    .lane__caption span { font: 700 .73rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: #52524f; text-align: right; }
    .lane__prompt { border-top: 1px solid var(--ink); padding: 14px 0 2px; display: flex; justify-content: space-between; align-items: center; font: 700 .76rem/1.3 var(--mono); letter-spacing: .12em; text-transform: uppercase; }
    .lane__prompt span:last-child { font: 400 1.5rem/1 var(--body); }
    .lane[open] .lane__prompt span:last-child { transform: rotate(45deg); }
    .lane__detail { border-top: 1px solid #aaa; margin-top: 14px; padding: 20px 2px 8px; }
    .lane__detail-label { display: block; color: #555; margin-bottom: 12px; }
    .lane__detail p { max-width: 780px; margin: 0; font-size: clamp(1.15rem, 1.7vw, 1.6rem); font-weight: 600; line-height: 1.25; letter-spacing: -.025em; }

    .about {
      background: var(--ink);
      color: var(--white);
      padding: 70px clamp(24px, 3vw, 50px) 40px;
      min-height: 460px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .about__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; max-width: 1600px; width: 100%; margin: 0 auto; }
    .about h2 { margin: 0; text-transform: uppercase; font: 900 clamp(4.5rem, 9vw, 10rem)/.84 var(--display); letter-spacing: -.02em; }
    .about p { margin: 0; max-width: 590px; font-size: clamp(1.45rem, 2.4vw, 2.45rem); line-height: 1.18; font-weight: 600; letter-spacing: -.04em; }
    .about__copy { display: grid; gap: 2rem; }
    .about__copy p + p { font-size: clamp(1rem, 1.3vw, 1.3rem); line-height: 1.4; font-weight: 400; letter-spacing: -.01em; color: #bcbcb8; }

    @media (max-width: 900px) {
      .hero__image { top: 14%; width: 23vw; min-width: 170px; }
      .hero h1 { font-size: clamp(4.7rem, 10vw, 8rem); margin-top: 7rem; }
    }
    @media (max-width: 680px) {
      .hero { margin: 8px; min-height: calc(100svh - 16px); border-radius: 12px; }
      .header { padding: 20px 18px 0; grid-template-columns: 1fr; gap: 19px; }
      .header nav { justify-content: space-between; gap: .5rem; }
      .header nav a { font-size: .7rem; }
      .hero__stage { min-height: 0; display: flex; flex-direction: column; justify-content: center; gap: 3rem; padding: 4rem 16px 3rem; }
      .hero h1 { order: 0; margin: 0; font-size: clamp(3.9rem, 16.1vw, 7.2rem); line-height: .88; }
      .hero__image { position: static; order: 1; width: min(65%, 290px); min-width: 0; aspect-ratio: 1.3; }
      .hero__footer { padding: 0 18px 18px; align-items: start; }
      .hero__footer .eyebrow { font-size: .61rem; max-width: 46%; }
      .thesis { padding: 20px 18px; }
      .thesis__inner { grid-template-columns: 1fr; gap: 16px; padding: 23px 0; }
      .thesis h2 { font-size: 1.5rem; }
      .thesis p { font-size: 1.15rem; }
      .market { padding: 30px 18px 45px; }
      .market h2 { margin: 85px 0 55px; font-size: clamp(4.2rem, 16vw, 7rem); }
      .market__intro { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 70px; }
      .market__intro p { font-size: 1.45rem; }
      .market__stat { grid-template-columns: 1fr; gap: 18px; padding: 27px 0 32px; }
      .market__stat strong { font-size: clamp(7rem, 31vw, 11rem); }
      .market__stat p { font-size: clamp(1.8rem, 7vw, 2.8rem); }
      .lanes { padding: 30px 18px 70px; }
      .lanes__title { margin: 65px 0 60px; font-size: clamp(4.7rem, 19vw, 8rem); }
      .lanes__grid { grid-template-columns: 1fr; gap: 18px; }
      .lane--wide { grid-column: auto; }
      .lane__image { height: auto; aspect-ratio: 1.2; }
      .lane--type .lane__image b { font-size: clamp(4.8rem, 20vw, 9rem); }
      .lane__caption strong { font-size: 1.5rem; }
      .about { padding: 50px 18px 30px; }
      .about__grid { grid-template-columns: 1fr; gap: 2.7rem; }
      .about h2 { font-size: clamp(4.2rem, 19vw, 7rem); }
      .about p { font-size: 1.5rem; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
    }