:root{--color-primary:#1c1917;--color-accent:#78716c;--color-bg:#fafaf9;--color-text:#555;--color-heading:#1c1917;--color-bg-alt:#fafaf9;--color-footer-bg:#1c1917;--color-footer-text:rgba(255,255,255,.5);--font-heading:'Noto Serif JP',sans-serif;--font-body:'Noto Sans JP',sans-serif;--font-en:'Inter',sans-serif;--header-height:72px;--radius:8px;--radius-lg:12px;--color-header-bg:rgba(255,255,255,.95);}
.loading-screen{background:#1c1917}.loading-logo{color:#78716c;font-family:var(--font-en);font-size:1.5rem;letter-spacing:.2em}
.header .logo{font-weight:700;font-size:1rem;color:#1c1917}.header.scrolled .logo{color:#1c1917}
.header .nav-link{font-size:.8rem;color:#555}.header .nav-link::after{background:#78716c}
.section-label{color:#78716c}.section-label::before{background:#78716c}
.btn-primary{background:#1c1917;color:#fff;border-radius:999px;padding:.75rem 2rem;font-size:.8rem;font-weight:600;display:inline-flex;align-items:center;gap:.5rem;transition:all .3s}
.btn-primary:hover{opacity:.85;transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.15)}
.scale-badge{background:#1c1917}.scale-badge-dot{background:#78716c}
.footer{background:#1c1917}