@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&display=swap";*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fafaf9;--surface:#fff;--text:#1c1917;--text-secondary:#57534e;--border:#e7e5e4;--accent:#0c0a09}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:Noto Sans JP,sans-serif;line-height:1.8}.page{max-width:720px;margin:0 auto;padding:80px 24px 120px}.breadcrumb{color:var(--text-secondary);letter-spacing:.02em;margin-bottom:48px;font-size:13px}.breadcrumb a{color:var(--text-secondary);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--text)}.breadcrumb span{opacity:.4;margin:0 8px}h1{letter-spacing:-.01em;margin-bottom:12px;font-size:24px;font-weight:700}.subtitle{color:var(--text-secondary);margin-bottom:56px;font-size:14px}.content{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:40px}.section{margin-bottom:36px}.section:last-child{margin-bottom:0}.section h2{border-bottom:1px solid var(--border);margin-bottom:12px;padding-bottom:8px;font-size:16px;font-weight:700}.section p{color:var(--text);margin-bottom:10px;font-size:14px}.section p:last-child{margin-bottom:0}.section ul{color:var(--text);margin-bottom:10px;padding-left:1.5em;font-size:14px}.section ul li{margin-bottom:4px}.section a{color:var(--accent);text-underline-offset:3px;text-decoration:underline}.footer-note{color:var(--text-secondary);text-align:right;margin-top:40px;font-size:13px}@media (width<=600px){.page{padding:48px 16px 80px}h1{font-size:20px}.content{padding:24px 20px}}