:root{--brand: #155eef;--brand-dark: #1146b8;--brand-soft: #f1f7ff;--brand-border: #cfe0f6;--success: #22c55e;--text: #0f172a;--text-secondary: #475569;--text-muted: #64748b;--surface: #ffffff;--surface-weak: #f8fbff;--border: #e2e8f0;--shadow-sm: 0 1px 2px rgba(15, 23, 42, .04);--shadow: 0 10px 30px rgba(15, 23, 42, .08);--shadow-lg: 0 20px 50px rgba(15, 23, 42, .12);--radius: 16px;--radius-sm: 12px}.billing-plan-page{min-height:100vh;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(21,94,239,.08),transparent),radial-gradient(ellipse 60% 40% at 90% 90%,rgba(34,197,94,.06),transparent),#f7f9fc;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Noto Sans JP,sans-serif}.dashboard-chrome~.billing-plan-page{width:calc(100% - var(--dashboard-chrome-sidebar-width, 280px));margin-left:var(--dashboard-chrome-sidebar-width, 280px)}.billing-plan-frame{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:24px 0 80px}.billing-plan-top{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,320px);gap:20px;align-items:stretch;position:relative;margin-bottom:20px}.billing-return-link{position:absolute;top:0;left:0;display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border:1px solid var(--border);border-radius:999px;color:var(--text-secondary);background:#fff;font-size:.95rem;font-weight:800;text-decoration:none;box-shadow:var(--shadow-sm);transition:color .2s,border-color .2s,background .2s,transform .1s}.billing-return-link svg{width:17px;height:17px;transition:transform .2s}.billing-return-link:hover{border-color:var(--brand-border);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}.billing-return-link:hover svg{transform:translate(-3px)}.billing-plan-heading,.billing-plan-current,.billing-cycle-panel,.billing-plan-card,.billing-value-panel,.billing-compare-panel,.billing-plan-notes article,.billing-message{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow)}.billing-plan-heading{padding:72px 32px 32px}.billing-plan-kicker,.billing-plan-current span,.billing-cycle-panel span,.billing-compare-heading span,.billing-plan-notes span,.billing-value-panel h2:before{display:inline-flex;align-items:center;color:var(--brand);font-size:.75rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase}.billing-plan-heading h1{max-width:720px;margin:10px 0 14px;color:var(--text);font-size:clamp(1.8rem,4vw,3rem);line-height:1.1;letter-spacing:-.02em}.billing-plan-heading p{max-width:680px;margin:0;color:var(--text-secondary);font-size:1rem;line-height:1.75}.billing-plan-current{display:flex;flex-direction:column;justify-content:center;gap:10px;padding:24px;border-top:5px solid var(--success)}.billing-plan-current strong{color:var(--text);font-size:1.75rem;line-height:1}.billing-plan-current p{margin:0;color:var(--text-secondary);font-size:.95rem;line-height:1.65}.billing-cycle-panel{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 18px;align-items:center;margin-bottom:20px;padding:16px 20px}.billing-cycle-copy{color:var(--text-secondary);font-size:.95rem;font-weight:700}.billing-cycle-toggle{display:inline-grid;grid-template-columns:repeat(2,minmax(110px,auto));gap:4px;padding:4px;border:1px solid var(--border);border-radius:999px;background:#f1f5f9}.billing-cycle-toggle button{border:0;border-radius:999px;padding:.7rem 1.1rem;color:var(--text-secondary);font:inherit;font-weight:700;background:transparent;cursor:pointer;transition:color .2s,background .2s}.billing-cycle-toggle button.is-active{color:#fff;background:var(--brand);box-shadow:0 6px 18px #155eef40}.billing-cycle-toggle span{margin-left:.35rem;padding:.15rem .4rem;border-radius:999px;background:#fff3;color:inherit;font-size:.65rem}.billing-message{margin-bottom:20px;padding:14px 18px;color:var(--text-secondary);font-weight:700;border-radius:var(--radius-sm)}.billing-message[data-kind=success]{border-color:#bbf7d0;background:#f0fdf4;color:#166534}.billing-message[data-kind=error]{border-color:#fecaca;background:#fef2f2;color:#991b1b}.billing-plan-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px}.billing-plan-card{position:relative;display:flex;flex-direction:column;padding:24px 20px 20px;overflow:hidden;transition:transform .2s,box-shadow .2s}.billing-plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.billing-plan-card.is-recommended{border-color:var(--brand);background:linear-gradient(180deg,#fff 0%,var(--brand-soft) 100%);box-shadow:0 18px 45px #155eef24}.billing-card-price{margin-bottom:16px}.billing-card-price strong{display:block;color:var(--text);font-size:clamp(2rem,3.2vw,2.75rem);line-height:1;letter-spacing:-.03em}.billing-card-price small{display:block;margin-top:8px;color:var(--text-muted);font-size:.8rem;font-weight:700}.billing-card-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}.billing-card-header h2{margin:0;color:var(--text);font-size:1.25rem;letter-spacing:-.01em}.billing-recommend-badge{flex-shrink:0;border-radius:999px;padding:.3rem .6rem;color:#fff;background:var(--brand);font-size:.7rem;font-style:normal;font-weight:800}.billing-card-desc{margin:0 0 14px;color:var(--text-secondary);font-size:.92rem;line-height:1.55}.billing-token-chip{margin:0;border:1px solid var(--brand-border);border-radius:999px;padding:.6rem .85rem;color:var(--brand);background:var(--brand-soft);font-size:.9rem;font-weight:800;text-align:center}.billing-cost-estimate{display:inline-flex;align-items:baseline;justify-content:center;gap:8px;margin:12px 0 18px;border:1px solid var(--border);border-radius:999px;padding:.45rem .9rem;color:var(--text-secondary);background:#f8fafc;font-size:.8rem;line-height:1.4;text-align:center}.billing-cost-estimate span{font-size:.72rem;font-weight:600;letter-spacing:.02em}.billing-cost-estimate strong{color:var(--text);font-size:.9rem;font-weight:800;letter-spacing:0}.billing-plan-card.is-recommended .billing-cost-estimate{border-color:var(--brand-border);background:var(--brand-soft)}.billing-plan-card.is-recommended .billing-cost-estimate strong{color:var(--brand)}.billing-plan-card ul{display:grid;gap:10px;margin:0 0 20px;padding:0;color:var(--text-secondary);font-size:.9rem;line-height:1.55;list-style:none}.billing-plan-card li{position:relative;padding-left:18px}.billing-plan-card li:before{position:absolute;top:.62em;left:0;width:6px;height:6px;border-radius:50%;background:var(--success);content:""}.billing-plan-action{width:100%;min-height:46px;margin-top:auto;border:1px solid var(--brand);border-radius:10px;padding:.8rem 1rem;color:var(--brand);background:#fff;font:inherit;font-weight:800;cursor:pointer;transition:color .2s,background .2s,transform .1s}.billing-plan-action:hover:not(:disabled){color:#fff;background:var(--brand);transform:translateY(-1px)}.billing-plan-action.is-primary{color:#fff;background:var(--brand);box-shadow:0 8px 22px #155eef40}.billing-plan-action.is-primary:hover:not(:disabled){background:var(--brand-dark)}.billing-plan-action.is-secondary{border-color:var(--border);color:var(--text-secondary);background:#f8fafc}.billing-plan-action.is-secondary:hover:not(:disabled){border-color:var(--brand-border);color:var(--brand);background:var(--brand-soft)}.billing-plan-action:disabled{border-color:var(--border);color:#94a3b8;background:#f8fafc;cursor:not-allowed;transform:none}.billing-value-panel{margin-bottom:20px;padding:28px 32px;text-align:center}.billing-value-panel h2{position:relative;display:inline-block;margin:0 0 12px;color:var(--text);font-size:clamp(1.1rem,2.4vw,1.5rem)}.billing-value-panel h2:before{content:"Value";display:block;margin-bottom:6px;font-size:.7rem}.billing-value-panel p{max-width:720px;margin:0 auto;color:var(--text-secondary);font-size:.98rem;line-height:1.75}.billing-compare-panel{margin-bottom:20px;overflow:hidden}.billing-compare-heading{display:flex;justify-content:space-between;gap:16px;align-items:end;padding:22px 24px;border-bottom:1px solid var(--border)}.billing-compare-heading h2{margin:0;color:var(--text);font-size:1.35rem;letter-spacing:-.01em}.billing-compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}.billing-compare-grid{min-width:720px;width:100%}.billing-compare-row{display:grid;grid-template-columns:1.1fr repeat(4,1fr)}.billing-compare-row>div{display:flex;align-items:center;min-height:64px;border-right:1px solid var(--border);border-bottom:1px solid var(--border);padding:16px;color:var(--text-secondary);font-size:.92rem;font-weight:600;line-height:1.45}.billing-compare-row>div:last-child{border-right:0}.billing-compare-row.is-head>div{color:var(--text);background:var(--surface-weak);font-size:.82rem;font-weight:800}.billing-compare-row.is-head .is-plan{justify-content:center;font-size:1rem;letter-spacing:-.01em}.billing-compare-row.is-head .is-free{color:var(--text-muted);background:#f8fafc}.billing-compare-row.is-head .is-standard{color:#1d6fd1;background:#eff6ff}.billing-compare-row.is-head .is-pro{color:var(--brand);background:var(--brand-soft);font-size:1.1rem;text-shadow:0 2px 10px rgba(21,94,239,.12)}.billing-compare-row.is-head .is-max{color:#0d9488;background:#f0fdfa;font-size:1.15rem;text-shadow:0 2px 10px rgba(13,148,136,.12)}.billing-compare-row>div:first-child{color:var(--text);background:#fbfdff;font-weight:800}.billing-token-note{margin:0;padding:16px 24px;color:var(--text-muted);font-size:.9rem;line-height:1.7}.billing-plan-notes{display:grid;grid-template-columns:minmax(0,640px);justify-content:center;gap:16px}.billing-plan-notes article{padding:20px;text-align:center}.billing-plan-notes p{margin:8px 0 0;color:var(--text-secondary);font-size:.92rem;line-height:1.65}.billing-legal-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:20px 0 8px;text-align:center}.billing-legal-links a{color:var(--text-secondary);font-size:.8rem;text-decoration:underline}@media(max-width:1180px){.billing-plan-top,.billing-plan-notes{grid-template-columns:1fr}.billing-plan-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.billing-plan-heading{padding-top:68px}.billing-plan-card{min-height:0}}@media(max-width:968px){.dashboard-chrome~.billing-plan-page{width:100%;margin-left:0}}@media(max-width:820px){.billing-plan-cards{grid-template-columns:1fr}.billing-plan-card{padding:22px}.billing-card-price strong{font-size:clamp(2.25rem,10vw,3.1rem)}}@media(max-width:640px){.billing-plan-frame{width:min(1120px,calc(100% - 20px));padding-top:12px}.billing-plan-heading,.billing-plan-current,.billing-cycle-panel,.billing-plan-card,.billing-value-panel,.billing-plan-notes article{padding:18px}.billing-plan-heading{padding-top:62px}.billing-plan-top{gap:14px}.billing-cycle-panel{gap:12px}.billing-cycle-copy{font-size:.9rem}.billing-cycle-toggle{grid-template-columns:1fr 1fr}.billing-card-price{margin-bottom:12px}.billing-card-price strong{font-size:2.4rem}.billing-compare-heading{padding:18px}.billing-compare-grid{min-width:600px}.billing-compare-row>div{padding:12px;font-size:.85rem}.billing-token-note{padding:14px 18px;font-size:.85rem}}