:root{--color-bg:#fafaf7;--color-surface:#fff;--color-border:#e8e8e3;--color-border-light:#f0f0ec;--color-text:#3d3d3d;--color-text-sub:#6b6b6b;--color-text-muted:#9e9e9e;--color-accent:#a8d8c8;--color-accent-dark:#7dc4b0;--color-accent-bg:#f0faf6;--font-base:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--radius-full:999px;--shadow-sm:0 1px 4px #0000000f;--shadow-md:0 2px 8px #00000014}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;height:100%;font-size:16px}html,body{max-width:100vw;overflow-x:clip}body{background-color:var(--color-bg);min-height:100%;color:var(--color-text);font-family:var(--font-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;flex-direction:column;font-weight:400;line-height:1.8;display:flex}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.header-logo-link{border-radius:var(--radius-md);align-items:center;padding:.2rem .3rem;transition:box-shadow .15s;display:inline-flex;box-shadow:0 0 0 1.5px #0000}.header-logo-link:hover{box-shadow:0 0 0 1.5px var(--color-border)}.header-nav-link{border-radius:var(--radius-sm);white-space:nowrap;padding:.4rem .6rem;transition:box-shadow .15s;box-shadow:0 0 0 1.5px #0000}.header-nav-link:hover{box-shadow:0 0 0 1.5px var(--color-border)}