.main-container{max-width:1400px;margin:0 auto;padding:40px 20px}.page-title{font-family:var(--calc-font-headline);color:var(--calc-text-primary);margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem)}.page-subtitle{color:var(--calc-text-faded);margin:0 0 1.5rem;line-height:1.5}.trademark-disclaimer{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-left:3px solid var(--calc-sky);border-radius:var(--calc-radius-md);align-items:flex-start;gap:.75rem;margin:0 0 1.5rem;padding:.85rem 1rem;display:flex}.trademark-disclaimer--top{margin-bottom:1.25rem}.trademark-disclaimer--inline{margin:1rem 0 0}.trademark-disclaimer__icon{color:var(--calc-sky);flex-shrink:0;font-size:1.1rem;line-height:1.3}.trademark-disclaimer p{color:var(--calc-text-faded);margin:0;font-size:.85rem;line-height:1.55}.trademark-disclaimer strong{color:var(--calc-text-primary)}[data-theme=light] .trademark-disclaimer{background:#eff6ff;border-color:#2563eb40 #2563eb40 #2563eb40 #2563eb}[data-theme=light] .trademark-disclaimer__icon{color:#2563eb}[data-theme=light] .trademark-disclaimer p{color:#1e3a5f}[data-theme=light] .trademark-disclaimer strong{color:#0f172a}.calc-grid{grid-template-columns:1fr 1fr;align-items:start;gap:1.5rem;display:grid}@media (width<=1024px){.calc-grid{grid-template-columns:1fr}}.input-card,.result-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:1.25rem 1.5rem}.card-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:1rem}.form-group{flex-direction:column;gap:.4rem;margin-bottom:1rem;display:flex}.form-group:last-child{margin-bottom:0}.form-group label{color:var(--calc-text-faded);font-size:.9rem}.input-row{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.form-group input,.form-group select{background:var(--calc-bg-input);border:1px solid var(--calc-border-strong);border-radius:var(--calc-radius-md);color:var(--calc-text-primary);font-family:var(--calc-font-mono);width:100%;padding:.65rem .85rem;font-size:1.05rem;transition:border-color .15s}.form-group input:focus,.form-group select:focus{border-color:var(--calc-cyan);outline:none}.input-with-unit{align-items:center;display:flex;position:relative}.input-with-unit input{padding-right:2.5rem}.unit-suffix{color:var(--calc-text-dim);pointer-events:none;font-size:.85rem;position:absolute;right:.85rem}.input-hint{color:var(--calc-text-dim);font-size:.8rem}.result-value{font-family:var(--calc-font-mono);color:var(--calc-cyan);margin-bottom:.3rem;font-size:clamp(1.8rem,5vw,2.6rem)}.result-detail{color:var(--calc-text-faded);line-height:1.5}.result-interpretation{color:var(--calc-text-faded);margin-top:.75rem;font-size:.85rem;line-height:1.55}.stat-grid{grid-template-columns:repeat(2,1fr);gap:.75rem;margin:1rem 0;display:grid}.stat-cell{background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);padding:.75rem .9rem}.stat-lbl{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.25rem;font-size:.75rem}.stat-val{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.1rem}.split-bar{background:var(--calc-bg-glass,#ffffff0d);border-radius:999px;height:10px;margin:.5rem 0 .75rem;display:flex;overflow:hidden}.split-bar__fill{height:100%}.split-bar__fill--add{background:var(--calc-rose)}.split-bar__fill--credit{background:var(--calc-emerald)}.callout{color:var(--calc-text-faded);margin:0;font-size:.85rem;line-height:1.55}.scenario-compare{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);margin-top:1.5rem;padding:1.25rem 1.5rem}.mini-title{font-family:var(--calc-font-headline);text-transform:uppercase;letter-spacing:.05em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:.9rem}.scenario-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.scenario-card{background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);padding:.85rem 1rem}.sc-label{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.03em;margin-bottom:.35rem;font-size:.75rem}.sc-bmi{font-family:var(--calc-font-mono);color:var(--calc-text-primary);font-size:1.05rem}.sc-delta{color:var(--calc-text-faded);margin:1rem 0 0;font-size:.9rem;line-height:1.5}.tab-nav{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.tab-btn{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);font-size:.9rem;font-family:var(--calc-font-headline);cursor:pointer;padding:.55rem 1rem;transition:background .15s,color .15s,border-color .15s}.tab-btn.active{background:var(--calc-cyan);color:#05131a;border-color:var(--calc-cyan);font-weight:600}.tab-panel{display:none}.tab-panel.active{display:block}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .scenario-compare{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .form-group input,[data-theme=light] .form-group select{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .stat-cell,[data-theme=light] .scenario-card{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-val,[data-theme=light] .sc-bmi{color:#0f172a}[data-theme=light] .tab-btn{color:#475569;background:#fff;border-color:#0000001f}[data-theme=light] .tab-btn.active{color:#fff;background:#0891b2;border-color:#0891b2}[data-theme=light] .split-bar{background:#00000014}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--calc-text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";font-family:var(--calc-font-mono);color:var(--calc-text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--calc-cyan)}.faq-item__question:hover{color:var(--calc-cyan)}.faq-item__answer{color:var(--calc-text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#0e749059;box-shadow:0 2px 10px #0e749014}[data-theme=light] .faq-item[open]{border-color:#0e749066 #0e749066 #0e749066 #0e7490;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0e74901a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0e7490}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}