:root{--cream:#f8f3e9;--yellow:#ffc629;--red:#ff5a3c;--ink:#111;--muted:#655f55;--border:#c9c1b3;--display-latin:var(--font-bodoni), "Times New Roman", serif;--display-ja:var(--font-serif-ja), "Yu Mincho", serif;--body-ja:var(--font-sans-ja), "Yu Gothic", sans-serif;--numeric:var(--font-bodoni), Georgia, serif;--side-padding:clamp(24px, 5vw, 64px);--content-width:1200px;--panel-height:100svh}
*{box-sizing:border-box}html{scroll-behavior:auto;scroll-padding-top:calc(var(--header-height,80px) + 16px);scrollbar-gutter:stable}body{background:var(--cream);color:var(--ink);font-family:var(--body-ja);-webkit-font-smoothing:antialiased;margin:0;font-size:16px;line-height:1.7}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}a{color:inherit;text-underline-offset:4px}button:disabled{cursor:not-allowed}h1,h2,h3,p,figure{margin:0}img{max-width:100%;display:block}::selection{background:var(--yellow);color:var(--ink)}:focus-visible{outline:3px solid var(--ink);outline-offset:5px}.skip-link{z-index:120;background:var(--cream);padding:12px 20px;position:fixed;top:-100px;left:12px}.skip-link:focus{top:10px}.sr-only{clip-path:inset(50%);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}