:root{--bg: #f4f6fb;--card: #ffffff;--accent: #2563eb;--accent-soft: #eff4ff;--text: #1f2933;--muted: #6b7280;--border: #e5e7eb;font-family:system-ui,-apple-system,Hiragino Kaku Gothic ProN,Meiryo,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}.page{max-width:1000px;margin:0 auto;padding:2rem 1.25rem 3rem}@media (max-width: 480px){.page{padding:1.25rem .9rem 2.5rem}}header h1{margin:0 0 .25rem;font-size:clamp(1.15rem,5vw,1.6rem);line-height:1.3;word-break:keep-all;overflow-wrap:anywhere}.subtitle{margin:0 0 1.5rem;color:var(--muted)}.layout{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;align-items:start}@media (max-width: 760px){.layout{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem;box-shadow:0 1px 2px #0f172a0a}@media (max-width: 480px){.card{padding:1.15rem;border-radius:10px}}.card h2{margin:0 0 1rem;font-size:1.15rem}.field{display:flex;flex-direction:column;margin-bottom:1rem}.field-label{font-weight:600;margin-bottom:.35rem;font-size:.9rem}.field input{padding:.6rem .7rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;text-align:right}.field select{padding:.6rem .7rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:#fff}.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}.field-help{font-size:.75rem;color:var(--muted);margin-top:.25rem}.checkbox{display:flex;flex-direction:row;align-items:center;gap:.4rem;font-size:.85rem;margin-bottom:.5rem;cursor:pointer}.checkbox input{width:auto;margin:0}.checkbox span{font-weight:500}.note{font-size:.75rem;line-height:1.5;color:var(--muted);background:var(--accent-soft);border-left:3px solid var(--accent);border-radius:6px;padding:.5rem .7rem;margin:0 0 .6rem}.note strong{color:var(--accent)}.formula{font-size:.85rem;line-height:1.6;font-weight:600;text-align:center;color:var(--text);background:var(--accent-soft);border:1px solid var(--accent);border-radius:8px;padding:.7rem .9rem;margin:0 0 .6rem}.verify{border:1px solid var(--accent);border-radius:8px;padding:.9rem 1rem;margin:0 0 .8rem;background:#fff}.verify h4{margin:0 0 .6rem;font-size:.95rem}.verify .details{margin:.6rem 0}.verify .verify-sub dt,.verify .verify-sub dd{color:var(--muted);font-size:.8rem}.verify .verify-total dt,.verify .verify-total dd{font-weight:700}.verify-ok{margin:.4rem 0 0;font-size:.85rem;font-weight:600;color:#157347}.verify-ng{margin:.4rem 0 0;font-size:.85rem;font-weight:600;color:#b02a37}.verify-notice{margin-top:.9rem;padding-top:.8rem;border-top:1px dashed var(--accent)}.verify-notice h4{margin:0 0 .4rem;font-size:.95rem}.notice{margin-top:1.25rem}.notice h3{margin:1.1rem 0 .5rem;font-size:1rem}.notice h3:first-of-type{margin-top:.25rem}.notice p{font-size:.9rem;line-height:1.7;margin:0 0 .75rem}.notice ul{margin:0 0 .75rem;padding-left:1.25rem}.notice li{font-size:.9rem;line-height:1.7;margin-bottom:.5rem}.notice strong,.notice .note strong{color:var(--accent)}button[type=submit]{width:100%;padding:.75rem;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s ease}button[type=submit]:hover:not(:disabled){background:#1d4ed8}button[type=submit]:disabled{opacity:.6;cursor:not-allowed}.error{color:#dc2626;margin-top:.75rem;font-size:.9rem}.muted{color:var(--muted)}.highlight{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-bottom:1.25rem}@media (max-width: 420px){.highlight{grid-template-columns:1fr}}.highlight-item{background:var(--accent-soft);border-radius:10px;padding:1rem;display:flex;flex-direction:column;gap:.35rem}.highlight-label{font-size:.8rem;color:var(--muted)}.highlight-value{font-size:clamp(1.2rem,6vw,1.35rem);font-weight:700;color:var(--accent);white-space:nowrap}.details{margin:0;border-top:1px solid var(--border)}.details>div{display:flex;justify-content:space-between;align-items:baseline;gap:.75rem;padding:.6rem 0;border-bottom:1px solid var(--border)}.details dt{color:var(--muted);font-size:.9rem;min-width:0}.details dd{margin:0;font-weight:600;white-space:nowrap;text-align:right}.graph{margin-top:1.5rem}.graph h3{font-size:1rem;margin:0 0 .5rem}.graph img{width:100%;border:1px solid var(--border);border-radius:8px}footer{margin-top:1.5rem;font-size:.8rem}.disclaimer{margin-top:1rem;padding:1rem 1.25rem;background:var(--card);border:1px solid var(--border);border-radius:8px;color:var(--muted);line-height:1.7}.disclaimer h3{margin:0 0 .5rem;font-size:.9rem;color:var(--text)}.disclaimer p{margin:0 0 .5rem}.disclaimer p:last-child{margin-bottom:0}