:root{--brand: #e2632f;--brand-deep: #c24a22;--brand-fill: #b0421d;--brand-fill-hover: #9a3a18;--brand-tint: #fff7ed;--brand-tint-2: #ffedd5;--teal: #38d6c8;--teal-deep: #0f766e;--teal-tint: #e6f7f4;--seg-cost: #7c6a5a;--seg-fee: #e09a52;--seg-shipping: #3f9e93;--seg-margin: #c24a22;--seg-loss: #c0392b;--ink: #171717;--ink-soft: #404040;--muted: #525252;--line: #f0e9e0;--line-strong: #e6dccd;--bg: #fffaf3;--card: #ffffff;--ok: #1f7a48;--ok-bg: #e8f3ec;--error: #c0392b;--error-bg: #fcebe9;--warn: #8a6100;--warn-bg: #fbf3df;--focus: rgba(226, 99, 47, .32);--shadow-card: 0 1px 2px rgba(67, 40, 20, .05), 0 18px 40px -26px rgba(120, 60, 25, .28);--shadow-soft: 0 1px 2px rgba(67, 40, 20, .06);--shadow-accent: 0 10px 22px -12px rgba(176, 66, 29, .55);--radius-lg: 22px;--radius: 16px;--radius-sm: 12px;--tap: 48px;--maxw: 600px;--font-sans: "Zen Kaku Gothic Antique", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;--font-serif: "Zen Old Mincho", "Hiragino Mincho 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var(--line);vertical-align:middle}.breakdown__note{display:block;font-size:.72rem;font-weight:400;color:var(--muted);margin-top:1px}.breakdown td{text-align:right;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;white-space:nowrap;color:var(--ink);padding:10px 0;border-bottom:1px solid var(--line);vertical-align:middle}.breakdown__total th,.breakdown__total td{font-weight:800}.breakdown__total:first-of-type th,.breakdown__total:first-of-type td{border-top:2px solid var(--line-strong);padding-top:13px}.breakdown__total:last-child th,.breakdown__total:last-child td{border-bottom:none}.breakdown td.is-positive{color:var(--ok)}.breakdown td.is-deficit{color:var(--error)}.result__actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}.btn{flex:1 1 auto;min-height:var(--tap);padding:12px 18px;font-family:var(--font-sans);font-size:.9rem;font-weight:700;color:var(--ink);background:#fff;border:1.5px solid var(--line-strong);border-radius:999px;cursor:pointer;transition:border-color .15s,background .15s,color .15s,box-shadow .15s,opacity .15s}.btn:hover{border-color:var(--brand);color:var(--brand-deep)}.btn:focus-visible{outline:3px solid var(--focus);outline-offset:2px}.btn--primary{background:var(--brand-fill);border-color:var(--brand-fill);color:#fff;box-shadow:var(--shadow-accent)}.btn--primary:hover{background:var(--brand-fill-hover);border-color:var(--brand-fill-hover);color:#fff}.btn--ghost{background:transparent;border-color:transparent;color:var(--muted);box-shadow:none}.btn--ghost:hover{background:var(--brand-tint);border-color:transparent;color:var(--brand-deep)}.btn--sm{flex:0 0 auto;min-height:38px;padding:6px 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