:root{--sheer-paper:#f7f5f1;--sheer-paper-raised:#fff;--sheer-ink:#101014;--sheer-ink-soft:#46443f;--sheer-ink-faint:#666258;--sheer-hairline:#1010141f;--sheer-hairline-strong:#10101438;--sheer-scrim:#08080a8c;--sheer-accent:#101014;--sheer-accent-soft:#10101414;--sheer-danger:#8b241a;--sheer-danger-bg:#fbe9e6;--sheer-success:#1d5a35;--sheer-success-bg:#e9f6ef;--font-display-jp:"Shippori Mincho", serif;--font-display-en:"Cormorant Garamond", serif;--font-body:"Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--space-24:96px;--hairline:1px solid var(--sheer-hairline);--hairline-strong:1px solid var(--sheer-hairline-strong);--radius-sm:4px;--radius-md:8px;--shadow-quiet:0 1px 2px #1010140f;--motion-duration:.75s;--motion-duration-fast:.6s;--motion-ease:cubic-bezier(.16, 1, .3, 1)}@media (prefers-reduced-motion:reduce){:root{--motion-duration:0s;--motion-duration-fast:0s}}.sheer-fade-in{animation:sheer-fade-in var(--motion-duration) var(--motion-ease) both}.sheer-viewer-home{top:max(14px, env(safe-area-inset-top,0px));left:max(16px, env(safe-area-inset-left,0px));z-index:30;color:#f7f5f1b8;font-family:var(--font-display-en);letter-spacing:.26em;opacity:1;mix-blend-mode:difference;transition:opacity var(--motion-duration-fast) var(--motion-ease), color var(--motion-duration-fast) var(--motion-ease);font-size:12px;text-decoration:none;position:fixed}.sheer-viewer-home:hover,.sheer-viewer-home:focus-visible{color:var(--sheer-paper)}.sheer-viewer-home.is-hidden{opacity:0;pointer-events:none}@keyframes sheer-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.sheer-fade-in{animation:none}}