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ease}*,*:before,*:after{box-sizing:border-box}html{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh;font-size:16px;line-height:1.75}html[lang=ja] body{line-height:1.9}body,button,input,textarea,select{font:inherit}a{color:var(--color-accent);text-underline-offset:.2em;transition:color var(--t-fast)}a:hover{color:var(--color-accent-hover)}a:focus-visible,button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px;border-radius:2px}p,ul{margin:0}ul{padding-left:1.25rem}li+li{margin-top:.5rem}img,svg{display:block;max-width:100%}.site-shell{width:min(100% - 40px,var(--shell-width));margin:0 auto}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;top:12px;left:12px;z-index:100;padding:7px 14px;font-size:.8rem;font-weight:600;color:var(--color-bg);background:var(--color-accent);text-decoration:none;border-radius:var(--radius-sm);transform:translateY(-200%);transition:transform var(--t-fast)}.skip-link:focus{transform:translateY(0)}.site-header{position:sticky;top:0;z-index:50;background:#080c09d9;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--color-border)}.site-nav{display:flex;gap:20px;align-items:center;justify-content:space-between;height:60px}.brand{font-size:.85rem;font-weight:700;font-family:var(--font-mono);letter-spacing:.1em;color:var(--color-text);text-decoration:none;transition:color var(--t-fast)}.brand:hover{color:var(--color-accent)}.nav-cluster{display:flex;align-items:center;gap:6px 24px}.primary-nav{display:flex;align-items:center;gap:2px}.primary-nav a{padding:6px 10px;font-size:.875rem;color:var(--color-text-muted);text-decoration:none;border-radius:var(--radius-sm);transition:color var(--t-fast),background var(--t-fast)}.primary-nav a:hover{color:var(--color-text);background:#ffffff0d}.primary-nav a[aria-current=page]{color:var(--color-text);background:#ffffff14}.language-switcher{padding:5px 10px;font-size:.78rem;font-family:var(--font-mono);color:var(--color-text-muted);text-decoration:none;border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);transition:color var(--t-fast),border-color var(--t-fast),background var(--t-fast)}.language-switcher:hover{color:var(--color-text);background:#ffffff0d}.site-main{padding-bottom:96px}.hero-wrap{position:relative;overflow:hidden;border-bottom:1px solid var(--color-border)}.hero-wrap:before{content:"";position:absolute;top:-80px;left:-8%;width:60%;height:480px;background:radial-gradient(ellipse at center,rgba(46,202,122,.08),transparent 68%);pointer-events:none;z-index:0}.hero-wrap:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(46,202,122,.028) 1px,transparent 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18px;font-size:.75rem;font-weight:500;font-family:var(--font-mono);letter-spacing:.06em;color:var(--color-accent)}h1,h2,h3{margin:0}h1{font-size:clamp(2.4rem,6vw,4.4rem);font-weight:700;line-height:1.07;letter-spacing:-.03em;color:var(--color-text);max-width:20ch}h2{font-size:1.45rem;font-weight:600;line-height:1.3;letter-spacing:-.01em;color:var(--color-text)}h3{font-size:1.05rem;font-weight:600;line-height:1.4;color:var(--color-text)}.page-lead{margin-top:20px;max-width:var(--content-width);font-size:1.05rem;color:var(--color-text-muted);line-height:1.8}.action-row{display:flex;flex-wrap:wrap;gap:12px 14px;align-items:center;margin-top:36px}.button-link{display:inline-flex;align-items:center;justify-content:center;position:relative;overflow:hidden;min-height:42px;padding:9px 20px;font-size:.875rem;font-weight:600;color:#060e07;background:var(--color-accent);border:1px solid var(--color-accent);border-radius:var(--radius-sm);text-decoration:none;transition:background 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0}.legal-section{padding-top:32px;border-top:1px solid var(--color-border)}.legal-section+.legal-section{margin-top:32px}.legal-section h2{margin-bottom:14px;font-size:1.15rem}.legal-section p{color:var(--color-text-muted)}.legal-section p+p{margin-top:12px}.site-footer{border-top:1px solid var(--color-border)}.footer-grid{display:flex;gap:24px;align-items:flex-start;justify-content:space-between;padding:36px 0}.footer-brand{font-size:.8rem;font-weight:700;font-family:var(--font-mono);letter-spacing:.1em;color:var(--color-text-muted);text-decoration:none;transition:color var(--t-fast)}.footer-brand:hover{color:var(--color-text)}.footer-copy{margin-top:8px;font-size:.78rem;font-family:var(--font-mono);color:var(--color-text-subtle)}.footer-nav{display:flex;flex-wrap:wrap;align-items:center;gap:2px;justify-content:flex-end}.footer-nav a{padding:5px 9px;font-size:.8rem;color:var(--color-text-subtle);text-decoration:none;border-radius:var(--radius-sm);transition:color 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48px}h1{font-size:clamp(1.9rem,11vw,2.8rem)}h2{font-size:1.25rem}.page-lead{font-size:1rem}.content-section{margin-top:52px;padding-top:32px}.app-card{padding:20px 22px}.contact-panel{flex-direction:column;align-items:stretch;padding:20px 22px}.button-link{width:100%;justify-content:center}.footer-grid{flex-direction:column;gap:20px;padding:28px 0}.footer-nav{justify-content:flex-start}.site-main{padding-bottom:72px}}