.nav{gap:18px;font-size:12.5px;white-space:nowrap}
  .product-lang{border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 9px;border-radius:3px;font:700 10px 'IBM Plex Mono',monospace;letter-spacing:.04em}
  .card{position:relative}
  .card::before{content:'© EST Co., Ltd. · No unauthorized use';position:absolute;top:9px;right:9px;z-index:2;padding:5px 8px;border-radius:2px;background:rgba(13,28,52,.78);color:#fff;font:600 9px/1.2 'IBM Plex Mono',monospace;letter-spacing:.02em}
  @media(max-width:760px){html,body{width:100%;max-width:100%;overflow-x:hidden}.wrap{width:100%;min-width:0}.nav{display:flex;margin-left:auto;min-width:0}.nav a{display:none}.product-lang{display:block;max-width:84px}.top .wrap{overflow:hidden}.top span{display:block;line-height:1.45}main,.hero,.section{width:100vw;max-width:100vw}.hero{padding:46px 0 42px}.hero h1,.hero p,.section h2,.section-intro,.hero-note,.grid,.callout{width:calc(100vw - 40px);max-width:calc(100vw - 40px);overflow-wrap:anywhere}.pill{white-space:normal}.grid{grid-template-columns:minmax(0,1fr)}.card,.body,.actions{min-width:0}.actions .btn{white-space:normal}.section{padding:52px 0}.card img{aspect-ratio:16/8.5}}