:root{--fg:#1f2430;--muted:#5f6672;--accent:#3b5bdb;--accent-fg:#ffffff;--accent-tint:rgba(59,91,219,0.08);--bg:#f7f8fa;--card:#ffffff;--border:#dde1e7;--danger-bg:#fdecea;--danger-fg:#b3261e}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,sans-serif;line-height:1.6;font-feature-settings:"palt" 1}.container{max-width:480px;margin:0 auto;padding:24px 16px 48px}h1{font-size:1.5rem;margin:0 0 8px}h1,h2{line-height:1.4}h2{font-size:1.1rem;margin:24px 0 8px}p{margin:8px 0}a{color:var(--accent)}a:hover{text-decoration-thickness:2px}:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}.muted{color:var(--muted);font-size:.875rem}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px;margin:16px 0;box-shadow:0 1px 2px rgba(31,36,48,.04)}.card-primary{border-color:var(--accent);box-shadow:0 1px 3px 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0;display:flex;flex-direction:column;gap:10px}.icon-list li{display:flex;align-items:flex-start;gap:10px;line-height:1.5}.icon-list .icon-accent{color:var(--accent);flex-shrink:0;margin-top:3px}.icon-list .icon-muted{color:var(--muted);flex-shrink:0;margin-top:3px}.badge-circle{width:48px;height:48px;border-radius:50%;display:flex;justify-content:center;margin-bottom:12px}.badge-circle,.pill{background:var(--accent-tint);color:var(--accent);align-items:center}.pill{display:inline-flex;gap:6px;border-radius:999px;padding:4px 10px;font-size:.8rem;font-weight:600}.link-row{display:flex;align-items:center;justify-content:center;gap:6px;min-height:44px;color:var(--muted);text-decoration:none;font-size:.9rem}.link-row:hover{color:var(--accent)}.style-options{display:grid;grid-template-columns:1fr;grid-gap:8px;gap:8px}.style-option{position:relative;display:block;border:2px solid var(--border);border-radius:10px;padding:12px 40px 12px 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th{background:var(--accent-tint);font-weight:600}.site-footer{max-width:480px;margin:0 auto;padding:16px 16px 32px;border-top:1px solid var(--border);text-align:center;color:var(--muted);font-size:.8rem}.site-footer a{color:var(--muted);text-decoration:none}.site-footer a:hover{color:var(--accent)}.site-footer p{margin:8px 0 0}