:root{--brand:#ea5614;--brand-hover:#d14a0d;--brand-soft:#fef1ea;--accent:#f6ce4a;--bg:#fdfaf7;--surface:#fff;--text:#1f2937;--text-sub:#6b7280;--text-muted:#9ca3af;--border:#ececec;--border-strong:#d1d5db;--danger:#dc2626;--success-bg:#f0fdf4;--success-text:#166534;--warn-bg:#fffbeb;--warn-text:#92400e}*{box-sizing:border-box}html,body{font-family:var(--font-sans,"Noto Sans JP"), -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;margin:0;padding:0;line-height:1.6}main{max-width:560px;margin:0 auto;padding:56px 20px 96px}h1{color:var(--text);letter-spacing:-.02em;margin:0 0 12px;font-size:34px;font-weight:700;line-height:1.3}h2{color:var(--text);letter-spacing:-.005em;margin:0 0 24px;font-size:17px;font-weight:600}.intro{margin:0 0 32px}.intro .eyebrow{letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin:0 0 10px;font-size:12px;font-weight:600}.intro 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