:root{--color-bg: #ffffff;--color-bg-soft: #f8f8f7;--color-bg-muted: #f1f1ef;--color-text: #111113;--color-text-secondary: #4b4b50;--color-text-muted: #8a8a90;--color-border: #e6e6e3;--color-border-strong: #d4d4d0;--color-accent: #c0241c;--color-accent-hover: #a31e17;--font-sans: "Inter", "Helvetica Neue", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.375rem;--text-2xl: 1.75rem;--text-3xl: 2.25rem;--text-4xl: clamp(2.5rem, 5.5vw, 4rem);--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.25rem;--space-6: 1.5rem;--space-8: 2rem;--space-10: 2.5rem;--space-12: 3rem;--space-16: 4rem;--space-20: 5rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 18px;--radius-full: 999px;--shadow-sm: 0 1px 2px rgb(17 17 19 / .05);--shadow-md: 0 2px 8px rgb(17 17 19 / .06), 0 1px 2px rgb(17 17 19 / .04);--shadow-lg: 0 12px 32px rgb(17 17 19 / .1), 0 2px 8px rgb(17 17 19 / .05);--container-max: 1200px;--container-wide: 1400px;--container-pad: clamp(1rem, 4vw, 2rem);--transition-fast: .16s ease;--transition-smooth: .32s ease}*,*:before,*:after{box-sizing:border-box}*{margin:0}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font-sans);font-size:var(--text-base);line-height:1.7;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,picture,video,svg{display:block;max-width:100%}input,button,select,textarea{font:inherit;color:inherit}h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em;font-weight:700;text-wrap:balance}p{text-wrap:pretty}a{color:inherit}:focus-visible{outline:2px solid var(--color-text);outline-offset:2px;border-radius:2px}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}.skip-link{position:absolute;top:-100%;left:var(--space-4);z-index:100;padding:var(--space-2) var(--space-4);background:var(--color-text);color:var(--color-bg);border-radius:var(--radius-sm);text-decoration:none}.skip-link:focus{top:var(--space-4)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.container{width:100%;max-width:var(--container-max);margin-inline:auto;padding-inline:var(--container-pad)}.container-wide{width:100%;max-width:var(--container-wide);margin-inline:auto;padding-inline:var(--container-pad)}.button{display:inline-flex;align-items:center;gap:var(--space-2);padding:.75rem 1.5rem;border:1px solid transparent;border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:600;text-decoration:none;cursor:pointer;transition:background-color var(--transition-fast),border-color var(--transition-fast),color var(--transition-fast),transform var(--transition-fast)}.button:active{transform:scale(.98)}.button-primary{background:var(--color-text);color:var(--color-bg)}.button-primary:hover{background:#2c2c30}.button-secondary{background:transparent;color:var(--color-text);border-color:var(--color-border-strong)}.button-secondary:hover{background:var(--color-bg-muted)}.section-label{display:block;font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-muted);margin-bottom:var(--space-3)}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:50;background:#ffffffd9;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--color-border)}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);height:64px}.brand[data-astro-cid-3ef6ksr2]{font-size:var(--text-lg);font-weight:800;letter-spacing:-.03em;text-decoration:none}.brand[data-astro-cid-3ef6ksr2] span[data-astro-cid-3ef6ksr2]{color:var(--color-accent)}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:var(--space-2);list-style:none;padding:0}.nav-link[data-astro-cid-3ef6ksr2]{display:inline-block;padding:var(--space-2) var(--space-3);border-radius:var(--radius-full);font-size:var(--text-sm);font-weight:500;color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast),background-color var(--transition-fast)}.nav-link[data-astro-cid-3ef6ksr2]:hover{color:var(--color-text);background:var(--color-bg-muted)}.nav-link[data-astro-cid-3ef6ksr2][aria-current=page]{color:var(--color-text);font-weight:600}.site-footer[data-astro-cid-sz7xmlte]{margin-top:var(--space-20);border-top:1px solid var(--color-border);background:var(--color-bg-soft)}.footer-inner[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--space-4);padding-block:var(--space-10)}.footer-brand[data-astro-cid-sz7xmlte]{font-weight:800;letter-spacing:-.03em}.footer-brand[data-astro-cid-sz7xmlte] span[data-astro-cid-sz7xmlte]{color:var(--color-accent)}.footer-nav[data-astro-cid-sz7xmlte]{display:flex;gap:var(--space-6);list-style:none;padding:0}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{font-size:var(--text-sm);color:var(--color-text-secondary);text-decoration:none;transition:color var(--transition-fast)}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--color-text)}.footer-copy[data-astro-cid-sz7xmlte]{font-size:var(--text-xs);color:var(--color-text-muted)}