:root { --bg-color:#ffffff; --text-primary:#222; --text-secondary:#555; --font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; --max-width:1200px; }
* { box-sizing:border-box; margin:0; padding:0; }
body { background:var(--bg-color); color:var(--text-primary); font-family:var(--font-sans); font-size:20px; line-height:1.75; padding:2rem 1rem; }
a { color:inherit; text-decoration:underline; }
.site-header { background:#fafafa; border-bottom:1px solid #e5e7eb; padding:1.5rem 0; }
.header-inner { max-width:var(--max-width); margin:0 auto; padding:0 2rem; display:flex; align-items:center; justify-content:space-between; }
.header-left { display:flex; flex-direction:column; gap:0.25rem; }
.header-title { font-size:2.5rem; font-weight:600; letter-spacing:-0.02em; }
.location-tag { font-size:1.1rem; color:var(--text-secondary); }
.site-nav { display:flex; gap:1.5rem; }
.nav-tab { color:#444; text-decoration:none; font-size:1.2rem; padding:0.25rem 0; }
.nav-tab:hover { color:#000; }
.nav-tab.active { font-weight:600; border-bottom:2px solid #000; }
.site-main { max-width:var(--max-width); margin:0 auto; padding:2rem 2rem; }
.section { margin-bottom:3rem; }
.section h2 { font-size:1.9rem; margin-bottom:1rem; }
p { margin-bottom:1rem; }