:root{--brand:#155eef;--brand-dark:#1146b8;--brand-soft:#f1f7ff;--brand-border:#cfe0f6;--success:#22c55e;--text:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--surface:#fff;--surface-weak:#f8fbff;--border:#e2e8f0;--shadow-sm:0 1px 2px #0f172a0a;--shadow:0 10px 30px #0f172a14;--shadow-lg:0 20px 50px #0f172a1f;--radius:16px;--radius-sm:12px}.billing-plan-page{min-height:100vh;color:var(--text);background:radial-gradient(80% 50% at 50% -10%,#155eef14,#0000),radial-gradient(60% 40% at 90% 90%,#22c55e0f,#0000),#f7f9fc;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,100% - 32px);margin:0 auto;padding:24px 0 80px}.billing-plan-top{grid-template-columns:minmax(0,1fr) minmax(260px,320px);align-items:stretch;gap:20px;margin-bottom:20px;display:grid;position:relative}.billing-return-link{border:1px solid var(--border);color:var(--text-secondary);box-shadow:var(--shadow-sm);background:#fff;border-radius:999px;align-items:center;gap:8px;padding:10px 18px;font-size:.95rem;font-weight:800;text-decoration:none;transition:color .2s,border-color .2s,background .2s,transform .1s;display:inline-flex;position:absolute;top:0;left:0}.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{color:var(--brand);letter-spacing:.06em;text-transform:uppercase;align-items:center;font-size:.75rem;font-weight:800;display:inline-flex}.billing-plan-heading h1{max-width:720px;color:var(--text);letter-spacing:-.02em;margin:10px 0 14px;font-size:clamp(1.8rem,4vw,3rem);line-height:1.1}.billing-plan-heading p{max-width:680px;color:var(--text-secondary);margin:0;font-size:1rem;line-height:1.75}.billing-plan-current{border-top:5px solid var(--success);flex-direction:column;justify-content:center;gap:10px;padding:24px;display:flex}.billing-plan-current strong{color:var(--text);font-size:1.75rem;line-height:1}.billing-plan-current p{color:var(--text-secondary);margin:0;font-size:.95rem;line-height:1.65}.billing-cycle-panel{flex-wrap:wrap;justify-content:center;align-items:center;gap:14px 18px;margin-bottom:20px;padding:16px 20px;display:flex}.billing-cycle-copy{color:var(--text-secondary);font-size:.95rem;font-weight:700}.billing-cycle-toggle{border:1px solid var(--border);background:#f1f5f9;border-radius:999px;grid-template-columns:repeat(2,minmax(110px,auto));gap:4px;padding:4px;display:inline-grid}.billing-cycle-toggle button{color:var(--text-secondary);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:.7rem 1.1rem;font-weight:700;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{color:inherit;background:#fff3;border-radius:999px;margin-left:.35rem;padding:.15rem .4rem;font-size:.65rem}.billing-message{color:var(--text-secondary);border-radius:var(--radius-sm);margin-bottom:20px;padding:14px 18px;font-weight:700}.billing-message[data-kind=success]{color:#166534;background:#f0fdf4;border-color:#bbf7d0}.billing-message[data-kind=error]{color:#991b1b;background:#fef2f2;border-color:#fecaca}.billing-plan-cards{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:20px;display:grid}.billing-plan-card{flex-direction:column;padding:24px 20px 20px;transition:transform .2s,box-shadow .2s;display:flex;position:relative;overflow:hidden}.billing-plan-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.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{color:var(--text);letter-spacing:-.03em;font-size:clamp(2rem,3.2vw,2.75rem);line-height:1;display:block}.billing-card-price small{color:var(--text-muted);margin-top:8px;font-size:.8rem;font-weight:700;display:block}.billing-card-header{justify-content:space-between;align-items:center;gap:10px;margin-bottom:6px;display:flex}.billing-card-header h2{color:var(--text);letter-spacing:-.01em;margin:0;font-size:1.25rem}.billing-recommend-badge{color:#fff;background:var(--brand);border-radius:999px;flex-shrink:0;padding:.3rem .6rem;font-size:.7rem;font-style:normal;font-weight:800}.billing-card-desc{color:var(--text-secondary);margin:0 0 14px;font-size:.92rem;line-height:1.55}.billing-token-chip{border:1px solid var(--brand-border);color:var(--brand);background:var(--brand-soft);text-align:center;border-radius:999px;margin:0;padding:.6rem .85rem;font-size:.9rem;font-weight:800}.billing-cost-estimate{border:1px solid var(--border);color:var(--text-secondary);text-align:center;background:#f8fafc;border-radius:999px;justify-content:center;align-items:baseline;gap:8px;margin:12px 0 18px;padding:.45rem .9rem;font-size:.8rem;line-height:1.4;display:inline-flex}.billing-cost-estimate span{letter-spacing:.02em;font-size:.72rem;font-weight:600}.billing-cost-estimate strong{color:var(--text);letter-spacing:0;font-size:.9rem;font-weight:800}.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{color:var(--text-secondary);gap:10px;margin:0 0 20px;padding:0;font-size:.9rem;line-height:1.55;list-style:none;display:grid}.billing-plan-card li{padding-left:18px;position:relative}.billing-plan-card li:before{background:var(--success);content:"";border-radius:50%;width:6px;height:6px;position:absolute;top:.62em;left:0}.billing-plan-action{border:1px solid var(--brand);width:100%;min-height:46px;color:var(--brand);font:inherit;cursor:pointer;background:#fff;border-radius:10px;margin-top:auto;padding:.8rem 1rem;font-weight:800;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;cursor:not-allowed;background:#f8fafc;transform:none}.billing-value-panel{text-align:center;margin-bottom:20px;padding:28px 32px}.billing-value-panel h2{color:var(--text);margin:0 0 12px;font-size:clamp(1.1rem,2.4vw,1.5rem);display:inline-block;position:relative}.billing-value-panel h2:before{content:"Value";margin-bottom:6px;font-size:.7rem;display:block}.billing-value-panel p{max-width:720px;color:var(--text-secondary);margin:0 auto;font-size:.98rem;line-height:1.75}.billing-compare-panel{margin-bottom:20px;overflow:hidden}.billing-compare-heading{border-bottom:1px solid var(--border);justify-content:space-between;align-items:end;gap:16px;padding:22px 24px;display:flex}.billing-compare-heading h2{color:var(--text);letter-spacing:-.01em;margin:0;font-size:1.35rem}.billing-compare-scroll{-webkit-overflow-scrolling:touch;overflow-x:auto}.billing-compare-grid{width:100%;min-width:720px}.billing-compare-row{grid-template-columns:1.1fr repeat(4,1fr);display:grid}.billing-compare-row>div{border-right:1px solid var(--border);border-bottom:1px solid var(--border);min-height:64px;color:var(--text-secondary);align-items:center;padding:16px;font-size:.92rem;font-weight:600;line-height:1.45;display:flex}.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{letter-spacing:-.01em;justify-content:center;font-size:1rem}.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);text-shadow:0 2px 10px #155eef1f;font-size:1.1rem}.billing-compare-row.is-head .is-max{color:#0d9488;text-shadow:0 2px 10px #0d94881f;background:#f0fdfa;font-size:1.15rem}.billing-compare-row>div:first-child{color:var(--text);background:#fbfdff;font-weight:800}.billing-token-note{color:var(--text-muted);margin:0;padding:16px 24px;font-size:.9rem;line-height:1.7}.billing-plan-notes{grid-template-columns:minmax(0,640px);justify-content:center;gap:16px;display:grid}.billing-plan-notes article{text-align:center;padding:20px}.billing-plan-notes p{color:var(--text-secondary);margin:8px 0 0;font-size:.92rem;line-height:1.65}.billing-legal-links{text-align:center;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:20px 0 8px;display:flex}.billing-legal-links a{color:var(--text-secondary);font-size:.8rem;text-decoration:underline}@media (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 (width<=968px){.dashboard-chrome~.billing-plan-page{width:100%;margin-left:0}}@media (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 (width<=640px){.billing-plan-frame{width:min(1120px,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}}