.main-container{max-width:1400px;margin:0 auto;padding:40px 20px 3rem}.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);max-width:680px;margin:0 0 1.5rem;line-height:1.5}.preset-row{flex-wrap:wrap;gap:.5rem;margin-bottom:1.25rem;display:flex}.preset-chip{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);color:var(--calc-text-faded);cursor:pointer;border-radius:2rem;padding:.35rem 1rem;font-size:.82rem;transition:border-color .15s,color .15s,background .15s}.preset-chip:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}.preset-chip.active{background:var(--calc-cyan);border-color:var(--calc-cyan);color:#000;font-weight:600}.tabs-row{border-bottom:1px solid var(--calc-border-default);gap:.25rem;margin:1.25rem 0 1.5rem;display:flex}.tab-btn{color:var(--calc-text-faded);cursor:pointer;font-family:var(--calc-font-headline);letter-spacing:.03em;background:0 0;border:none;border-bottom:2px solid #0000;padding:.6rem 1.1rem;font-size:.88rem;font-weight:600;transition:color .15s,border-color .15s}.tab-btn:hover{color:var(--calc-text-primary)}.tab-btn.active{border-bottom-color:var(--calc-color-daily,var(--calc-cyan));color:var(--calc-color-daily,var(--calc-cyan))}.tab-pane{display:none}.tab-pane.active{display:block}.calc-grid{grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom: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:.08em;color:var(--calc-text-faded);margin:0 0 1rem;font-size:.78rem}.form-group{flex-direction:column;gap:.35rem;margin-bottom:.85rem;display:flex}.form-label{color:var(--calc-text-faded);font-size:.85rem}.form-row-2{grid-template-columns:1fr 1fr;gap:.75rem;display:grid}@media (width<=480px){.form-row-2{grid-template-columns:1fr}}.glass-select,.glass-input{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);box-sizing:border-box;width:100%;padding:.6rem .8rem;font-size:.95rem;transition:border-color .15s}.glass-select{cursor:pointer}.glass-select:focus,.glass-input:focus{border-color:var(--calc-color-daily,var(--calc-cyan));outline:none;box-shadow:0 0 0 2px #22d3ee1f}.meas-divider{border-top:1px solid var(--calc-border-default);color:var(--calc-text-faded);letter-spacing:.06em;text-transform:uppercase;margin:1rem 0 .75rem;padding-top:.75rem;font-size:.78rem}.unit-toggle{gap:1rem;margin-bottom:.75rem;display:flex}.unit-label{color:var(--calc-text-faded);cursor:pointer;align-items:center;gap:.35rem;font-size:.85rem;display:flex}.unit-label input[type=radio]{accent-color:var(--calc-color-daily,var(--calc-cyan))}.hero-result{text-align:center;margin-bottom:.5rem}.hero-value{color:var(--calc-color-daily,var(--calc-cyan));font-family:var(--calc-font-mono);margin-bottom:.3rem;font-size:clamp(2rem,6vw,3.2rem);font-weight:700;line-height:1}.hero-sub{color:var(--calc-text-faded);min-height:1.2em;font-size:.82rem}.conf-row{justify-content:center;margin-bottom:1rem;display:flex}.conf-badge{border-radius:2rem;padding:.25rem .85rem;font-size:.78rem;font-weight:700}.conf-perfect{color:#34d399;background:#34d39926}.conf-good{color:#60a5fa;background:#60a5fa26}.conf-close{color:#f59e0b;background:#f59e0b26}.conf-none{color:var(--calc-text-faded);background:#94a3b81f}.stat-grid{grid-template-columns:repeat(4,1fr);gap:.5rem;margin-bottom:.75rem;display:grid}@media (width<=600px){.stat-grid{grid-template-columns:repeat(3,1fr)}}@media (width<=380px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:var(--calc-bg-glass,#ffffff08);border:1px solid var(--calc-border-subtle);border-radius:var(--calc-radius-md);text-align:center;padding:.5rem .4rem}.stat-label{color:var(--calc-text-faded);letter-spacing:.06em;text-transform:uppercase;font-size:.7rem}.stat-value{color:var(--calc-text-primary);font-family:var(--calc-font-mono);margin-top:.15rem;font-size:1.1rem;font-weight:700}.fit-note{color:var(--calc-text-faded);min-height:1em;margin:0;font-size:.82rem;line-height:1.5}.size-chart-wrap{margin-top:1.5rem}.chart-section-title{color:var(--calc-text-faded);font-family:var(--calc-font-headline);letter-spacing:.08em;text-transform:uppercase;margin:0 0 .75rem;font-size:.78rem}.size-chart-scroll{border-radius:var(--calc-radius-md);border:1px solid var(--calc-border-default);overflow-x:auto}.size-chart-table{border-collapse:collapse;width:100%;min-width:480px}.size-chart-table th{background:var(--calc-bg-card);border-bottom:1px solid var(--calc-border-default);color:var(--calc-text-faded);letter-spacing:.06em;text-align:center;text-transform:uppercase;white-space:nowrap;padding:.55rem .75rem;font-size:.78rem}.size-chart-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);font-family:var(--calc-font-mono);text-align:center;white-space:nowrap;padding:.5rem .75rem;font-size:.88rem}.size-chart-table tr:last-child td{border-bottom:none}.size-chart-table td:first-child{color:var(--calc-text-faded);font-weight:600}.size-chart-table tr:hover td{background:#ffffff05}.size-chart-table tr.current td{color:var(--calc-text-primary);background:#22d3ee1a}.size-chart-table tr.current td:first-child{color:var(--calc-color-daily,var(--calc-cyan));font-weight:700}.guide-grid{grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.5rem;display:grid}@media (width<=768px){.guide-grid{grid-template-columns:1fr}}.guide-card{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:1.25rem 1.5rem}.guide-heading{color:var(--calc-text-primary);font-family:var(--calc-font-headline);margin:0 0 .85rem;font-size:1rem;font-weight:700}.guide-note{color:var(--calc-text-faded);margin:0 0 1rem;font-size:.83rem;line-height:1.55}.measure-list{color:var(--calc-text-primary);padding-left:1.25rem;font-size:.88rem;line-height:1.7}.measure-list li{margin-bottom:.4rem}.guide-table{border-collapse:collapse;width:100%;font-size:.83rem}.guide-table th{background:var(--calc-bg-glass,#ffffff08);border-bottom:1px solid var(--calc-border-default);color:var(--calc-text-faded);letter-spacing:.05em;text-align:left;text-transform:uppercase;padding:.45rem .6rem;font-size:.75rem}.guide-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);vertical-align:top;padding:.45rem .6rem}.guide-table tr:last-child td{border-bottom:none}.meas-range-section{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);padding:1.25rem 1.5rem}.meas-chart-note{color:var(--calc-text-faded);margin:0;padding:1rem 0;font-size:.85rem;line-height:1.5}.brand-intro{margin-bottom:1.25rem}.brand-table-scroll{border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg);overflow-x:auto}.brand-table{border-collapse:collapse;width:100%;min-width:520px}.brand-table thead tr{background:var(--calc-bg-card)}.brand-table th{border-bottom:1px solid var(--calc-border-default);color:var(--calc-text-faded);letter-spacing:.06em;text-align:left;text-transform:uppercase;white-space:nowrap;padding:.6rem 1rem;font-size:.78rem}.brand-table td{border-bottom:1px solid var(--calc-border-subtle);color:var(--calc-text-primary);vertical-align:top;padding:.65rem 1rem;font-size:.88rem;line-height:1.5}.brand-table tr:last-child td{border-bottom:none}.brand-table tr:hover td{background:#ffffff05}.brand-name{white-space:nowrap;font-weight:700}.brand-region{color:var(--calc-text-faded);white-space:nowrap;font-size:.8rem}.brand-note{color:var(--calc-text-primary)}.brand-disclaimer{border-radius:var(--calc-radius-md);color:var(--calc-text-faded);background:#f59e0b12;border:1px solid #f59e0b33;margin-top:1rem;padding:.85rem 1rem;font-size:.82rem;line-height:1.55}.page-sections-outer{max-width:1400px;margin:0 auto;padding:0 20px 3rem}.action-bar{flex-wrap:wrap;gap:.5rem;margin-bottom:1rem;display:flex}.action-btn{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-md);color:var(--calc-text-faded);cursor:pointer;padding:.4rem .9rem;font-size:.82rem;transition:border-color .15s,color .15s}.action-btn:hover{border-color:var(--calc-cyan);color:var(--calc-cyan)}.action-btn--reset:hover{border-color:var(--calc-rose,#fb7185);color:var(--calc-rose,#fb7185)}[data-theme=light] .page-title{color:#0f172a}[data-theme=light] .page-subtitle{color:#475569}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .guide-card,[data-theme=light] .meas-range-section,[data-theme=light] .brand-table-scroll,[data-theme=light] .size-chart-scroll{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .glass-select,[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .glass-select:focus,[data-theme=light] .glass-input:focus{border-color:#0891b2;box-shadow:0 0 0 2px #0891b226}[data-theme=light] .tabs-row{border-bottom-color:#0000001f}[data-theme=light] .tab-btn{color:#475569}[data-theme=light] .tab-btn:hover{color:#0f172a}[data-theme=light] .tab-btn.active{color:#047857;border-bottom-color:#047857}[data-theme=light] .preset-chip{color:#475569;background:#f8fafc;border-color:#0000001f}[data-theme=light] .preset-chip:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .preset-chip.active{color:#fff;background:#047857;border-color:#047857}[data-theme=light] .card-title{color:#64748b}[data-theme=light] .form-label{color:#475569}[data-theme=light] .meas-divider{color:#64748b;border-top-color:#0000001a}[data-theme=light] .unit-label{color:#475569}[data-theme=light] .hero-sub{color:#64748b}[data-theme=light] .stat-card{background:#edf2f9;border-color:#0000001a}[data-theme=light] .size-chart-table tr:hover td,[data-theme=light] .brand-table tr:hover td{background:#f5f7fa}[data-theme=light] .hero-value{color:#047857}[data-theme=light] .conf-badge.conf-perfect{color:#15803d;background:#f0fdf4}[data-theme=light] .conf-badge.conf-good{color:#2563eb;background:#eff6ff}[data-theme=light] .conf-badge.conf-close{color:#b45309;background:#fffbeb}[data-theme=light] .conf-badge.conf-none{color:#64748b;background:#f8fafc}[data-theme=light] .size-chart-table tr.current td{color:#0f172a;background:#04785712}[data-theme=light] .size-chart-table tr.current td:first-child{color:#047857}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .stat-label{color:#64748b}[data-theme=light] .size-chart-table th{color:#64748b;background:#f0f4f9}[data-theme=light] .size-chart-table td{color:#0f172a}[data-theme=light] .size-chart-table td:first-child{color:#475569}[data-theme=light] .brand-table th{color:#64748b;background:#f0f4f9}[data-theme=light] .brand-table td,[data-theme=light] .brand-name{color:#0f172a}[data-theme=light] .brand-region{color:#64748b}[data-theme=light] .guide-table th{color:#64748b;background:#f0f4f9}[data-theme=light] .guide-table td{color:#0f172a}[data-theme=light] .brand-disclaimer{color:#78350f;background:#fffbeb;border-color:#d977064d}[data-theme=light] .action-btn{color:#475569;background:#f8fafc;border-color:#0000001f}[data-theme=light] .action-btn:hover{color:#0891b2;border-color:#0891b2}[data-theme=light] .action-btn--reset:hover{color:#e11d48;border-color:#e11d48}[data-theme=light] .fit-note,[data-theme=light] .guide-note{color:#475569}[data-theme=light] .measure-list{color:#0f172a}[data-theme=light] .meas-chart-note{color:#475569}[data-theme=light] .guide-heading{color:#0f172a}[data-theme=light] .chart-section-title{color:#64748b}