:root{--color-bg: #ffffff;--color-bg-subtle: #f7f7f5;--color-text: #273130;--color-text-muted: #5f6b68;--color-text-faint: #8e9895;--color-border: #dededa;--color-border-soft: #eeeeea;--color-primary: #10605a;--color-primary-dark: #0a3e3a;--color-primary-light: #edf5f4;--color-primary-border: #d5e8e4;--color-accent: #157f74;--color-accent-light: #edf5f4;--color-sand: #ecdfc9;--color-sand-light: #fbf6ed;--color-warn: #8a5a1f;--color-warn-light: #fdf4e6;--color-warn-border: #f2e0c2;--radius-lg: 18px;--radius-md: 12px;--radius-sm: 8px;--shadow-card: 0 1px 1px rgba(23, 26, 25, .025), 0 3px 6px rgba(23, 26, 25, .035), 0 12px 26px -12px rgba(23, 26, 25, .09);--shadow-soft: 0 1px 1px rgba(23, 26, 25, .02), 0 2px 5px rgba(23, 26, 25, .03), 0 8px 18px -10px rgba(23, 26, 25, .07)}*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Noto Sans JP,Yu Gothic,sans-serif;font-size:16px;line-height:1.9;color:var(--color-text);background:var(--color-bg);letter-spacing:.02em;-webkit-text-size-adjust:100%}main,.container{width:100%;max-width:720px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}img{max-width:100%;height:auto}h1{font-size:clamp(1.5rem,5.2vw,2rem);line-height:1.5;font-weight:800;margin-top:0;margin-bottom:1.25rem;color:var(--color-primary-dark)}h2{font-size:clamp(1.2rem,4.2vw,1.45rem);line-height:1.55;font-weight:800;margin-top:3rem;margin-bottom:1.25rem;color:var(--color-primary-dark)}h3{font-size:1.1rem;line-height:1.6;font-weight:800;margin-top:2rem;margin-bottom:.85rem;padding-left:.85rem;border-left:4px solid var(--color-accent);color:var(--color-primary-dark)}p{margin-top:0;margin-bottom:1.5rem}ul,ol{margin-top:0;margin-bottom:1.5rem;padding-left:1.5rem}li{margin-bottom:.4rem}li>p:last-child{margin-bottom:0}hr{margin:3rem 0;border:none;border-top:1px solid var(--color-border)}.table-wrapper{overflow-x:auto;margin:2rem 0;-webkit-overflow-scrolling:touch}.table-wrapper>table{margin:0}@supports (animation-timeline: scroll()){.table-wrapper{animation:table-scroll-fade linear both;animation-timeline:scroll(self inline)}}@keyframes table-scroll-fade{0%{mask-image:linear-gradient(to right,#000 calc(100% - 44px),#0000)}to{mask-image:linear-gradient(to right,#000 100%,#0000)}}table{width:100%;border-collapse:collapse;font-size:.925rem;line-height:1.7;min-width:720px;table-layout:auto}th:first-child,td:first-child{min-width:14em}th{background:var(--color-primary);color:#fff;font-weight:700;padding:.75rem .9rem;text-align:left;white-space:nowrap}td{padding:.75rem .9rem;border-bottom:1px solid var(--color-border);vertical-align:top;word-break:normal;overflow-wrap:normal;line-break:strict}@supports (word-break: auto-phrase){td{word-break:auto-phrase}}tbody tr:nth-child(2n){background:var(--color-bg-subtle)}td[align=right],th[align=right]{text-align:right;font-variant-numeric:tabular-nums}td[align=center],th[align=center]{text-align:center}td strong{color:var(--color-primary-dark);font-size:1.05em}.box-point{background:var(--color-accent-light);border-left:5px solid var(--color-accent);border-radius:4px;padding:1.25rem 1.4rem;margin:2rem 0}.box-warn{background:var(--color-warn-light);border-left:5px solid var(--color-warn);border-radius:4px;padding:1.25rem 1.4rem;margin:2rem 0}.box-note,blockquote{background:var(--color-bg-subtle);border-left:4px solid var(--color-border);border-radius:4px;padding:1.1rem 1.3rem;margin:2rem 0;font-size:.925rem;color:var(--color-text-muted)}.box-point>*:first-child,.box-warn>*:first-child,.box-note>*:first-child,blockquote>*:first-child{margin-top:0}.box-point>*:last-child,.box-warn>*:last-child,.box-note>*:last-child,blockquote>*:last-child{margin-bottom:0}.figure{display:inline-block;font-size:1.15em;font-weight:700;color:var(--color-primary-dark);background:var(--color-primary-light);padding:.1em .45em;border-radius:4px}a{color:var(--color-primary);text-decoration:underline;text-underline-offset:.2em;text-decoration-thickness:1px}a:hover{color:var(--color-primary-dark)}.source-link{font-size:.9em;color:var(--color-text-muted)}.affiliate-notice{display:block;background:var(--color-bg-subtle);border:1px solid var(--color-border);border-radius:4px;padding:.7rem 1rem;margin:0 0 1.5rem;font-size:1rem;font-weight:700;color:var(--color-text)}.article-meta{display:flex;align-items:center;gap:.9rem;font-size:.9rem;color:var(--color-text-muted);margin:0 0 2.5rem;padding-bottom:1.25rem;border-bottom:1px solid var(--color-border)}.article-meta-items{display:flex;flex-wrap:wrap;gap:.25rem 1rem}.article-meta .author{font-weight:700;color:var(--color-text)}.article-meta-avatar,.profile-avatar{display:block;flex:none;border-radius:50%;object-fit:cover}.article-meta-avatar{width:56px;height:56px}.profile-avatar{width:120px;height:120px;margin:0 0 1rem}.site-header{background:#fff;border-bottom:3px solid var(--color-primary);padding:1rem 0;margin-bottom:2.5rem}.site-title{font-size:1.15rem;font-weight:700;color:var(--color-primary-dark);text-decoration:none}.site-footer{margin-top:5rem;padding:2.5rem 0;background:var(--color-bg-subtle);border-top:1px solid var(--color-border);font-size:.9rem;color:var(--color-text-muted)}.site-footer a{color:var(--color-text-muted);margin-right:1.25rem;display:inline-block}.footer-nav{margin-bottom:1rem}.copyright{margin:0}@media(max-width:640px){body{font-size:15.5px}main,.container{padding-left:20px;padding-right:20px}h1{font-size:1.45rem}h2{font-size:1.2rem;margin-top:2.5rem}h3{font-size:1.05rem}table{font-size:.875rem}th,td{padding:.6rem .7rem}}