:root{--ink:#171717;--paper:#f6f0e6;--cream:#fffaf1;--gold:#b58a2c;--gold2:#d4b35f;--muted:#665f54;--line:rgba(181,138,44,.28);--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.6}img{display:block;max-width:100%}a{color:inherit}.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}.announcement{background:var(--ink);color:#fff;text-align:center;padding:8px 20px;font-size:.82rem;letter-spacing:.06em}.site-header{position:sticky;top:0;z-index:20;background:rgba(246,240,230,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:28px}.brand{text-decoration:none;font-weight:800;letter-spacing:.16em;font-size:.94rem}.brand span{color:var(--gold)}.nav-links{display:flex;align-items:center;gap:26px}.nav-links a{text-decoration:none;font-weight:700;font-size:.9rem}.nav-links 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li:before{content:"✓";color:#8a681d;font-weight:900;margin-right:12px}.legal-note{font-size:.78rem;color:var(--muted);margin-top:10px}@media(max-width:820px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:76px;left:0;right:0;background:var(--cream);padding:24px;flex-direction:column;align-items:flex-start;border-bottom:1px solid var(--line)}.nav-links.open{display:flex}.hero,.page-hero,.story,.split,.book-detail{grid-template-columns:1fr}.hero{padding:50px 0}.book-visual{max-width:580px;margin:auto}.benefits{grid-template-columns:1fr}.preview-grid{grid-template-columns:repeat(2,1fr)}.book-detail img{position:static;max-width:600px;margin:auto}}@media(max-width:520px){.wrap{width:min(calc(100% - 28px),var(--max))}.hero h1,.page-hero h1{font-size:3.2rem}.section{padding:72px 0}.preview-grid{grid-template-columns:1fr 1fr;gap:10px}.preview-grid figure{padding:5px}.footer-grid{flex-direction:column}.actions .button{width:100%}.announcement{font-size:.72rem}}