    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    :root {
      --bg: #f5f2ee; --white: #ffffff; --ink: #1a1714; --ink-light: #7a746e;
      --border: #e0dbd4; --accent: #c94a2a; --radius: 2px;
    }
    html, body { min-height: 100%; background: var(--bg); color: var(--ink); font-family: 'DM Sans', sans-serif; font-weight: 300; }
    body { display: flex; align-items: center; justify-content: center; padding: 2rem; min-height: 100vh; }
    .layout {
      display: grid; grid-template-columns: 1fr 1fr;
      max-width: 860px; width: 100%; min-height: 520px;
      background: var(--white); border: 1px solid var(--border);
      border-radius: var(--radius); overflow: hidden;
      box-shadow: 0 2px 40px rgba(0,0,0,0.06);
    }
    .left { padding: 3rem; border-right: 1px solid var(--border); display: flex; flex-direction: column; }
    .eyebrow { font-size: 0.7rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); font-weight: 500; margin-bottom: 1.25rem; }
    h1 { font-family: 'DM Serif Display', serif; font-size: 2.6rem; line-height: 1.1; font-weight: 400; letter-spacing: -0.01em; margin-bottom: 0.5rem; }
    h1 em { font-style: italic; color: var(--ink-light); }
    .desc { font-size: 0.85rem; color: var(--ink-light); line-height: 1.7; margin-bottom: 2.5rem; }
    label { display: block; font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-light); margin-bottom: 0.5rem; font-weight: 500; }
    textarea {
      width: 100%; background: var(--bg); border: 1px solid var(--border);
      border-radius: var(--radius); color: var(--ink); font-family: 'DM Sans', sans-serif;
      font-weight: 300; font-size: 0.9rem; line-height: 1.6; padding: 0.85rem 1rem;
      resize: none; height: 110px; outline: none; transition: border-color 0.2s; margin-bottom: 1.25rem;
    }
    textarea:focus { border-color: var(--ink); }
    textarea::placeholder { color: #bbb5ae; }
    button {
      width: 100%; background: var(--ink); color: var(--white); border: none;
      border-radius: var(--radius); padding: 0.85rem 1.5rem;
      font-family: 'DM Sans', sans-serif; font-size: 0.82rem; font-weight: 500;
      letter-spacing: 0.08em; text-transform: uppercase; cursor: pointer;
      transition: background 0.15s, transform 0.1s;
      display: flex; align-items: center; justify-content: center; gap: 0.5rem;
    }

    #text-02 {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.72rem;
    color: #bbb5ae;
    letter-spacing: 0.04em;
    }
    footer
    
    #text-02 a {
    color: var(--ink-light);
    text-decoration: none;
    border-bottom: 1px solid var(--border);
    padding-bottom: 1px;
    transition: color 0.15s, border-color 0.15s;
    }
    #text-02 a:hover { color: var(--accent); border-color: var(--accent); }

    button:hover { background: var(--accent); }
    button:active { transform: scale(0.99); }
    button:disabled { background: var(--border); color: var(--ink-light); cursor: not-allowed; }
    .spinner { width: 13px; height: 13px; border: 2px solid rgba(255,255,255,0.4); border-top-color: white; border-radius: 50%; animation: spin 0.6s linear infinite; display: none; }
    @keyframes spin { to { transform: rotate(360deg); } }
    .error-msg { margin-top: 0.85rem; padding: 0.7rem 0.9rem; background: #fff5f3; border: 1px solid #f5c5bc; border-radius: var(--radius); font-size: 0.78rem; color: var(--accent); display: none; line-height: 1.5; }
    .spacer { flex: 1; }
    .footer-note { font-size: 0.68rem; color: #ccc6be; letter-spacing: 0.04em; margin-top: 2rem; }
    .right { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem; background: var(--bg); }
    .placeholder-box { width: 200px; height: 200px; border: 1.5px dashed var(--border); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem; color: #ccc6be; }
    .placeholder-box span { font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; }
    .result { display: none; flex-direction: column; align-items: center; gap: 1.5rem; animation: fadeIn 0.3s ease forwards; width: 100%; }
    @keyframes fadeIn { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: scale(1); } }
    .qr-frame { background: white; padding: 1.25rem; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 4px 24px rgba(0,0,0,0.07); }
    .qr-frame img { display: block; width: 200px; height: 200px; image-rendering: pixelated; }
    .result-actions { display: flex; flex-direction: column; align-items: center; gap: 0.4rem; }
    .success-label { font-size: 1.0rem; letter-spacing: 0.12em; text-transform: uppercase; color: #8a9e6e; font-weight: 500; }
    .download-btn { font-size: 1.0rem; color: var(--ink-light); text-decoration: none; letter-spacing: 0.06em; border-bottom: 1px solid var(--border); padding-bottom: 1px; transition: color 0.15s, border-color 0.15s; }
    .download-btn:hover { color: var(--accent); border-color: var(--accent); }
    @media (max-width: 620px) {
      .layout { grid-template-columns: 1fr; }
      .left { border-right: none; border-bottom: 1px solid var(--border); }
      .right { min-height: 280px; }
    }

    