.page-header[data-astro-cid-lcdefpme]{background:var(--color-canvas);border-bottom:1px solid var(--color-hairline);padding:28px 0 24px}.page-header-inner[data-astro-cid-lcdefpme]{max-width:var(--container-max);padding:0 var(--gutter);margin:0 auto}.page-h1[data-astro-cid-lcdefpme]{letter-spacing:-.025em;color:var(--color-ink);margin:0 0 8px;font-size:clamp(28px,4vw,40px);font-weight:500;line-height:1.08}.page-subtitle[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);max-width:620px;margin:0;font-size:15px;line-height:1.5}.calc-wrapper[data-astro-cid-lcdefpme]{background:var(--color-canvas-bg);padding:28px 0 0}.calc-layout[data-astro-cid-lcdefpme]{max-width:var(--container-max);padding:0 var(--gutter);grid-template-columns:420px 1fr;align-items:start;gap:20px;margin:0 auto;display:grid}.input-panel[data-astro-cid-lcdefpme]{background:var(--color-canvas);border:1px solid var(--color-hairline-strong);border-radius:var(--radius-md);flex-direction:column;gap:16px;padding:20px;display:flex}.panel-head[data-astro-cid-lcdefpme]{justify-content:space-between;align-items:center;margin-bottom:4px;display:flex}.panel-label[data-astro-cid-lcdefpme]{font-family:var(--font-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink-mute);font-size:10px}.unit-toggle[data-astro-cid-lcdefpme]{background:var(--color-canvas-soft);border-radius:var(--radius-sm);gap:1px;padding:2px;display:flex}.unit-btn[data-astro-cid-lcdefpme]{font-size:11px;font-family:var(--font-mono);color:var(--color-ink-mute);cursor:pointer;background:0 0;border:none;border-radius:2px;padding:4px 10px;transition:background .1s,color .1s}.unit-btn--active[data-astro-cid-lcdefpme]{background:var(--color-canvas);color:var(--color-ink-secondary);box-shadow:var(--shadow-sm)}.field-group[data-astro-cid-lcdefpme]{flex-direction:column;gap:5px;display:flex}.field-label[data-astro-cid-lcdefpme]{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--color-ink-mute);align-items:baseline;gap:6px;font-size:10px;display:flex}.field-unit[data-astro-cid-lcdefpme]{color:var(--color-ink-faint);font-size:9px}.field-hint[data-astro-cid-lcdefpme]{color:var(--color-ink-faint);text-transform:none;letter-spacing:0;font-size:9px;font-family:var(--font-sans)}.field-input[data-astro-cid-lcdefpme]{border:1px solid var(--color-hairline-strong);border-radius:var(--radius-sm);background:var(--color-canvas-field);width:100%;min-height:44px;color:var(--color-ink);font-family:var(--font-mono);font-variant-numeric:tabular-nums;box-sizing:border-box;outline:none;padding:0 12px;font-size:17px;transition:border-color .12s}.field-input[data-astro-cid-lcdefpme]:focus{border-color:var(--color-accent);box-shadow:0 0 0 3px #9c4f211f}select[data-astro-cid-lcdefpme].field-input{font-family:var(--font-sans);cursor:pointer;font-size:14px}.length-fields[data-astro-cid-lcdefpme]{grid-template-columns:1fr 1fr;gap:8px;display:grid}.length-sub[data-astro-cid-lcdefpme]{align-items:center;display:flex;position:relative}.length-sub[data-astro-cid-lcdefpme] .field-input[data-astro-cid-lcdefpme]{padding-right:28px}.field-unit-fixed[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:var(--color-ink-mute);pointer-events:none;font-size:11px;position:absolute;right:10px}.price-row[data-astro-cid-lcdefpme]{grid-template-columns:1fr 1fr;gap:8px;display:grid}.price-input-wrap[data-astro-cid-lcdefpme]{align-items:center;display:flex;position:relative}.currency-prefix[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:var(--color-ink-mute);pointer-events:none;font-size:14px;position:absolute;left:10px}.field-input--prefixed[data-astro-cid-lcdefpme]{padding-left:22px}.preset-chips[data-astro-cid-lcdefpme]{flex-wrap:wrap;gap:4px;display:flex}.preset-chip[data-astro-cid-lcdefpme]{border-radius:var(--radius-sm);border:1px solid var(--color-hairline);background:var(--color-canvas-soft);font-family:var(--font-mono);color:var(--color-ink-secondary);cursor:pointer;padding:3px 8px;font-size:11px;transition:background .1s,border-color .1s,color .1s}.preset-chip[data-astro-cid-lcdefpme]:hover{border-color:var(--color-accent);color:var(--color-accent)}.preset-chip--active[data-astro-cid-lcdefpme]{background:var(--color-accent-soft);border-color:var(--color-accent);color:var(--color-accent)}.advanced-section[data-astro-cid-lcdefpme]{border-top:1px solid var(--color-hairline);margin-top:2px;padding-top:14px}.advanced-toggle[data-astro-cid-lcdefpme]{cursor:pointer;font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--color-ink-mute);user-select:none;justify-content:space-between;align-items:center;padding:0;font-size:10px;list-style:none;display:flex}.advanced-toggle[data-astro-cid-lcdefpme]::-webkit-details-marker{display:none}.advanced-section[data-astro-cid-lcdefpme][open] .toggle-arrow[data-astro-cid-lcdefpme]{transform:rotate(180deg)}.toggle-arrow[data-astro-cid-lcdefpme]{transition:transform .15s}.advanced-body[data-astro-cid-lcdefpme]{flex-direction:column;gap:14px;padding-top:14px;display:flex}.adv-group[data-astro-cid-lcdefpme]{flex-direction:column;gap:6px;display:flex}.adv-group-label[data-astro-cid-lcdefpme]{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--color-ink-mute);font-size:10px}.radio-group[data-astro-cid-lcdefpme]{flex-direction:column;gap:6px;display:flex}.radio-label[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);cursor:pointer;align-items:center;gap:8px;font-size:13px;display:flex}.toggle-row[data-astro-cid-lcdefpme]{cursor:pointer;align-items:flex-start;gap:10px;display:flex}.toggle-label-text[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);flex-direction:column;gap:2px;font-size:13px;display:flex}.toggle-sublabel[data-astro-cid-lcdefpme]{color:var(--color-ink-mute);font-size:11px;font-family:var(--font-mono)}.results-panel[data-astro-cid-lcdefpme]{background:var(--color-canvas);border:1px solid var(--color-hairline-strong);border-radius:var(--radius-md);min-height:220px;overflow:hidden}.results-head[data-astro-cid-lcdefpme]{border-bottom:1px solid var(--color-hairline);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.results-actions[data-astro-cid-lcdefpme]{align-items:center;gap:6px;display:flex}.results-actions[data-astro-cid-lcdefpme][aria-hidden=true]{visibility:hidden}.action-btn[data-astro-cid-lcdefpme]{border-radius:var(--radius-sm);border:1px solid var(--color-hairline-strong);color:var(--color-ink-secondary);cursor:pointer;background:0 0;align-items:center;gap:5px;padding:5px 10px;font-size:12px;transition:background .1s,color .1s;display:flex}.action-btn[data-astro-cid-lcdefpme]:hover{background:var(--color-canvas-soft);color:var(--color-ink)}.action-btn--ghost[data-astro-cid-lcdefpme]{color:var(--color-ink-mute);border-color:#0000}.action-btn--ghost[data-astro-cid-lcdefpme]:hover{background:var(--color-canvas-soft);color:var(--color-error)}.result-primary[data-astro-cid-lcdefpme]{padding:24px 20px 20px}.result-empty[data-astro-cid-lcdefpme]{justify-content:center;align-items:center;min-height:80px;display:flex}.result-empty[data-astro-cid-lcdefpme] p[data-astro-cid-lcdefpme]{color:var(--color-ink-faint);text-align:center;margin:0;font-size:14px}.result-value-block[data-astro-cid-lcdefpme]{background:var(--color-canvas-deep);border-radius:var(--radius-md);flex-direction:column;align-items:center;gap:4px;padding:20px 24px;display:flex}.result-label[data-astro-cid-lcdefpme]{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#7a746b;font-size:10px}.result-hero[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:#f0ede7;letter-spacing:-.02em;font-size:clamp(44px,6vw,62px);font-weight:500;line-height:.95}.result-unit[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:#7a746b;font-size:14px}.datum-grid[data-astro-cid-lcdefpme]{border-top:1px solid var(--color-hairline);background:var(--color-hairline);grid-template-columns:repeat(3,1fr);gap:1px;display:grid}.datum[data-astro-cid-lcdefpme]{background:var(--color-canvas);flex-direction:column;gap:3px;padding:12px 16px;display:flex}.datum-label[data-astro-cid-lcdefpme]{font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--color-ink-mute);font-size:9.5px}.datum-value[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:var(--color-ink);font-variant-numeric:tabular-nums;font-size:18px;font-weight:400}.datum-unit[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:var(--color-ink-faint);font-size:10px}.pricing-result[data-astro-cid-lcdefpme]{padding:0}.pricing-divider[data-astro-cid-lcdefpme]{background:var(--color-hairline);height:1px}.pricing-result[data-astro-cid-lcdefpme] .datum-grid[data-astro-cid-lcdefpme]{border-top:none}.status-msg[data-astro-cid-lcdefpme]{color:var(--color-accent);font-size:12px;font-family:var(--font-mono);min-height:20px;padding:0 20px 10px}.content-section[data-astro-cid-lcdefpme]{border-top:1px solid var(--color-hairline);padding:52px 0}.content-section--tinted[data-astro-cid-lcdefpme]{background:var(--color-surface-tint)}.content-inner[data-astro-cid-lcdefpme]{max-width:var(--container-max);padding:0 var(--gutter);margin:0 auto}.content-inner--narrow[data-astro-cid-lcdefpme]{max-width:760px}.content-inner[data-astro-cid-lcdefpme] h2[data-astro-cid-lcdefpme]{letter-spacing:-.01em;color:var(--color-ink);margin:0 0 12px;font-size:22px;font-weight:500}.content-inner[data-astro-cid-lcdefpme] p[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);margin:0 0 16px;font-size:15px;line-height:1.6}.content-inner[data-astro-cid-lcdefpme] a[data-astro-cid-lcdefpme]{color:var(--color-accent);text-decoration:none}.content-inner[data-astro-cid-lcdefpme] a[data-astro-cid-lcdefpme]:hover{text-decoration:underline}.content-list[data-astro-cid-lcdefpme]{flex-direction:column;gap:6px;margin:8px 0 16px 20px;padding:0;display:flex}.content-list[data-astro-cid-lcdefpme] li[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);font-size:14px;line-height:1.6}.content-inner[data-astro-cid-lcdefpme] h3[data-astro-cid-lcdefpme]{color:var(--color-ink);letter-spacing:-.005em;margin:20px 0 8px;font-size:17px;font-weight:500}.formula-block[data-astro-cid-lcdefpme]{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:var(--radius-md);flex-direction:column;gap:6px;margin:16px 0;padding:16px 20px;display:flex}.formula[data-astro-cid-lcdefpme]{font-family:var(--font-mono);color:var(--color-ink);font-size:15px;display:block}.formula-note[data-astro-cid-lcdefpme]{color:var(--color-ink-mute)!important;margin:0!important;font-size:12px!important}.table-wrap[data-astro-cid-lcdefpme]{border:1px solid var(--color-hairline);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin:16px 0;overflow-x:auto}.table-wrap[data-astro-cid-lcdefpme] table[data-astro-cid-lcdefpme]{border-collapse:collapse;background:var(--color-canvas);width:100%;font-size:13px}.table-wrap[data-astro-cid-lcdefpme] th[data-astro-cid-lcdefpme]{background:var(--color-canvas-soft);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;color:var(--color-ink-secondary);text-align:right;white-space:nowrap;padding:9px 14px;font-size:10px;font-weight:400}.table-wrap[data-astro-cid-lcdefpme] th[data-astro-cid-lcdefpme]:first-child{text-align:left}.table-wrap[data-astro-cid-lcdefpme] td[data-astro-cid-lcdefpme]{text-align:right;color:var(--color-ink-secondary);border-top:1px solid var(--color-hairline);font-family:var(--font-mono);font-variant-numeric:tabular-nums;padding:8px 14px}.table-wrap[data-astro-cid-lcdefpme] tr[data-astro-cid-lcdefpme]:hover td[data-astro-cid-lcdefpme]{background:var(--color-canvas-soft)}.table-wrap[data-astro-cid-lcdefpme] td[data-astro-cid-lcdefpme]:first-child{text-align:left;color:var(--color-ink);font-weight:500}.table-note[data-astro-cid-lcdefpme]{color:var(--color-ink-mute)!important;margin-top:8px!important;font-size:12px!important}.tool-cards[data-astro-cid-lcdefpme]{grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px;display:grid}.tool-card[data-astro-cid-lcdefpme]{background:var(--color-canvas);border:1px solid var(--color-hairline);border-radius:var(--radius-md);flex-direction:column;gap:6px;padding:16px;text-decoration:none;transition:border-color .12s,box-shadow .12s;display:flex}.tool-card[data-astro-cid-lcdefpme]:hover{border-color:var(--color-accent);box-shadow:var(--shadow-sm)}.tool-card-title[data-astro-cid-lcdefpme]{color:var(--color-ink);font-size:14px;font-weight:500}.tool-card-desc[data-astro-cid-lcdefpme]{color:var(--color-ink-mute);font-size:12px;line-height:1.4}.faq-list[data-astro-cid-lcdefpme]{flex-direction:column;gap:0;display:flex}.faq-item[data-astro-cid-lcdefpme]{border-top:1px solid var(--color-hairline)}.faq-item[data-astro-cid-lcdefpme]:last-child{border-bottom:1px solid var(--color-hairline)}.faq-question[data-astro-cid-lcdefpme]{color:var(--color-ink);cursor:pointer;user-select:none;justify-content:space-between;align-items:center;padding:18px 0;font-size:15px;font-weight:500;list-style:none;display:flex}.faq-question[data-astro-cid-lcdefpme]::-webkit-details-marker{display:none}.faq-item[data-astro-cid-lcdefpme][open] .faq-question[data-astro-cid-lcdefpme]{color:var(--color-accent)}.faq-answer[data-astro-cid-lcdefpme]{padding:0 0 18px}.faq-answer[data-astro-cid-lcdefpme] p[data-astro-cid-lcdefpme]{color:var(--color-ink-secondary);margin:0;font-size:14px;line-height:1.65}.guide-links[data-astro-cid-lcdefpme]{flex-direction:column;gap:10px;margin:12px 0 0;padding:0;list-style:none;display:flex}.guide-links[data-astro-cid-lcdefpme] a[data-astro-cid-lcdefpme]{color:var(--color-accent);align-items:center;gap:6px;font-size:15px;text-decoration:none;display:flex}.guide-links[data-astro-cid-lcdefpme] a[data-astro-cid-lcdefpme]:before{content:"→";font-family:var(--font-mono);font-size:12px}.guide-links[data-astro-cid-lcdefpme] a[data-astro-cid-lcdefpme]:hover{text-decoration:underline}.sr-only[data-astro-cid-lcdefpme]{clip:rect(0,0,0,0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@media (width<=960px){.calc-layout[data-astro-cid-lcdefpme]{grid-template-columns:1fr}.tool-cards[data-astro-cid-lcdefpme]{grid-template-columns:repeat(2,1fr)}}@media (width<=600px){.page-header-inner[data-astro-cid-lcdefpme],.calc-layout[data-astro-cid-lcdefpme],.content-inner[data-astro-cid-lcdefpme]{padding-left:var(--gutter-mobile);padding-right:var(--gutter-mobile)}.tool-cards[data-astro-cid-lcdefpme]{grid-template-columns:1fr}.datum-grid[data-astro-cid-lcdefpme]{grid-template-columns:repeat(2,1fr)}.length-fields[data-astro-cid-lcdefpme]{grid-template-columns:1fr 1fr}}:root{--illus-top:#d4b896;--illus-front:#c49a6c;--illus-right:#a87848;--illus-grain:#b8895a;--illus-stroke:#8a6040;--illus-arrow:var(--color-ink-mute);--illus-label:var(--color-ink-secondary)}[data-astro-cid-lcdefpme][data-theme=dark]{--illus-top:#8c6a42;--illus-front:#7a5a34;--illus-right:#5e4224;--illus-grain:#6b4e2e;--illus-stroke:#4a3018;--illus-arrow:var(--color-ink-mute);--illus-label:var(--color-ink-secondary)}.board-illustration[data-astro-cid-lcdefpme]{border-radius:var(--radius-md);background:var(--color-canvas-soft);border:1px solid var(--color-hairline);margin:16px 0 8px;padding:8px 4px 4px;overflow:hidden}#illus-svg[data-astro-cid-lcdefpme]{width:100%;height:auto;display:block}