:root{--c-bg: #f7f8f5;--c-surface: #ffffff;--c-text: #1d2521;--c-muted: #5b6660;--c-border: #d9dfda;--c-primary: #1f7a5a;--c-primary-ink: #ffffff;--c-link: #145f9e;--c-warn-bg: #fff6e0;--c-warn-border: #e7b84a;--c-warn-ink: #7a5300;--c-ok-bg: #e5f4ec;--c-ok-ink: #1d6046;--c-info-bg: #eef4fb;--radius: 10px;--font: system-ui, -apple-system, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, sans-serif}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--c-bg);color:var(--c-text);font-family:var(--font);font-size:16px;line-height:1.75;overflow-wrap:anywhere}a{color:var(--c-link)}h1{font-size:1.6rem;line-height:1.4;margin:.5rem 0 1rem}h2{font-size:1.3rem;line-height:1.45;margin:2.2rem 0 .8rem;padding-bottom:.3rem;border-bottom:2px solid var(--c-border)}h3{font-size:1.1rem;margin:1.5rem 0 .5rem}.container{width:100%;max-width:960px;margin:0 auto;padding:0 16px}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:10}.site-header{background:var(--c-surface);border-bottom:1px solid var(--c-border)}.header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:4px 16px;padding-top:10px;padding-bottom:6px}.logo{font-weight:700;font-size:1.15rem;color:var(--c-primary);text-decoration:none}.nav{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:2px 4px}.nav a{display:inline-block;padding:6px 8px;min-height:40px;line-height:28px;border-radius:6px;text-decoration:none;color:var(--c-text);font-size:.95rem}.nav a.active{background:var(--c-ok-bg);color:var(--c-ok-ink);font-weight:700}.main{padding-top:16px;padding-bottom:48px}.lead{font-size:1.05rem}.meta-line,.small,.hint{font-size:.875rem;color:var(--c-muted)}.hint{margin:4px 0 0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:10px 18px;border-radius:var(--radius);border:1px solid var(--c-primary);color:var(--c-primary);background:var(--c-surface);font-weight:700;text-decoration:none;text-align:center}.btn-primary{background:var(--c-primary);color:var(--c-primary-ink)}.cta-row{display:flex;flex-wrap:wrap;gap:10px;margin:1.2rem 0}.cta-row .btn{flex:1 1 220px}.badge{display:inline-block;font-size:.75rem;font-weight:700;line-height:1.6;padding:0 8px;border-radius:999px;white-space:nowrap;vertical-align:middle}.badge-warn{background:var(--c-warn-bg);color:var(--c-warn-ink);border:1px solid var(--c-warn-border)}.badge-ok{background:var(--c-ok-bg);color:var(--c-ok-ink)}.pr-label{font-size:.7rem;border:1px solid currentColor;border-radius:4px;padding:0 4px}.pr-notice{font-size:.85rem;background:var(--c-info-bg);border-radius:var(--radius);padding:8px 12px}.source-link{font-size:.8rem;white-space:nowrap}.callout{border-radius:var(--radius);padding:12px 14px;margin:1rem 0;border-left:4px solid}.callout-info{background:var(--c-info-bg);border-color:var(--c-link)}.callout-warn{background:var(--c-warn-bg);border-color:var(--c-warn-border)}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--c-border);border-radius:var(--radius);background:var(--c-surface)}table.compare{border-collapse:collapse;width:100%;min-width:520px;font-size:.92rem}.compare th,.compare td{border-bottom:1px solid var(--c-border);padding:8px 10px;text-align:left;vertical-align:top}.compare thead th{background:#eef2ee;white-space:nowrap}.compare tbody th{font-weight:600;background:#fafbfa}.panel{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:4px 16px 16px;margin:1rem 0}.panel h2{border:0;margin-top:.9rem;font-size:1.15rem}.field-grid{display:grid;grid-template-columns:1fr;gap:12px}.field label{display:block;font-weight:600;margin-bottom:4px}select,input[type=text]{width:100%;min-height:44px;font-size:16px;padding:8px 10px;border:1px solid #aab4ad;border-radius:8px;background:#fff;color:var(--c-text)}.input-suffix{display:flex;align-items:center;gap:6px}.input-suffix span{white-space:nowrap;color:var(--c-muted)}.result{margin-top:1.5rem}.card-grid{display:grid;grid-template-columns:1fr;gap:12px}.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:4px 16px 16px}.card-cta{margin-top:12px}.card-cta .btn{width:100%}.feature-list li,.notes li{margin-bottom:4px}.dl{display:grid;grid-template-columns:1fr;gap:2px 16px}.dl dt{font-weight:700;margin-top:8px}.dl dd{margin:0}.faq details{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--radius);padding:4px 14px;margin-bottom:10px}.faq summary{cursor:pointer;list-style-position:outside;margin-left:1em}.faq summary h2{display:inline;font-size:1.02rem;border:0;margin:0;padding:0}.faq details p{margin:8px 0 10px}.ad-slot{margin:2rem 0;min-height:100px}.ad-label{font-size:.75rem;color:var(--c-muted)}.site-footer{background:#26302b;color:#e6ece8;padding:24px 0;font-size:.9rem}.site-footer a{color:#bfe3d2}.site-footer .small{color:#b9c3bd}.footer-links{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:6px 18px}.footer-links a{display:inline-block;min-height:32px;line-height:32px}@media(min-width:720px){h1{font-size:2rem}.field-grid,.card-grid{grid-template-columns:1fr 1fr}.dl{grid-template-columns:max-content 1fr}.dl dt{margin-top:0}}@media(min-width:720px){.scroll-hint{display:none}}.field-label{font-weight:600;margin:16px 0 6px}.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.chip{min-height:40px;padding:6px 12px;border-radius:999px;border:1px solid #aab4ad;background:#fff;color:var(--c-text);font:inherit;font-size:.9rem;cursor:pointer;text-align:left}.chip-active{border-color:var(--c-primary);background:var(--c-ok-bg);color:var(--c-ok-ink);font-weight:700}.link-button{background:none;border:0;padding:8px 4px;min-height:40px;color:var(--c-link);text-decoration:underline;font:inherit;cursor:pointer}.edited-note{margin:8px 0 0;font-size:.9rem}table.result-table{min-width:0}.result-table td,.result-table th{width:33%}.period-row th{background:#e3ece6!important;font-weight:700}.total{font-size:1.05rem}.dl-row{display:contents}