a{color:#00616a;text-underline-offset:.2em}.brand>a{display:inline-flex;align-items:center;color:inherit;text-decoration:none}.brand>a img{display:block;width:auto;height:54px;max-width:min(330px,70vw);object-fit:contain}.skip-link{position:absolute;top:-80px;background:white;padding:12px}.skip-link:focus{top:0}.article-layout{max-width:1220px}.article-layout>nav{font-size:.875rem;margin-bottom:24px}.article-columns{display:grid;grid-template-columns:minmax(0,780px) minmax(250px,320px);gap:clamp(28px,4vw,56px);align-items:start}.article-layout article{min-width:0;background:white;padding:clamp(20px,4vw,48px);border-top:4px solid var(--accent);border-radius:6px}.article-layout h1{font-size:clamp(1.6rem,4vw,2.2rem)}.article-meta{font-size:.875rem;color:#506774}.article-layout p{line-height:1.95;margin:1.25em 0;overflow-wrap:anywhere}.article-layout h2{margin:2.6em 0 1em;padding-bottom:.6em;border-bottom:1px solid var(--border);scroll-margin-top:20px}.article-layout h3{margin-top:2em;font-size:1.125rem}.article-layout li{margin:.65em 0;overflow-wrap:anywhere}.toc{margin:28px 0;padding:20px;background:#edf3f6;border-left:3px solid var(--accent)}.toc ol{padding-left:24px;margin-bottom:0}.table-scroll{overflow-x:auto;margin:24px 0;max-width:100%}.table-scroll table{border-collapse:collapse;width:100%;font-size:.9375rem;line-height:1.65}.table-scroll th,.table-scroll td{padding:12px;border:1px solid var(--border);min-width:95px;text-align:left;vertical-align:top}.table-scroll th{background:#edf3f6}.tool-link{margin-top:40px;padding:24px;background:#e9f5f5}.tool-link h2{margin-top:0}.tool-link>a{display:inline-block;min-height:44px;padding:8px 0;font-weight:700}.article-sidebar{min-width:0}.article-sidebar-inner{background:#fff;border-top:4px solid var(--accent);border-radius:6px;padding:24px}.article-sidebar h2{font-size:1.25rem;margin:.2em 0 18px;padding:0 0 12px}.article-sidebar ol{list-style:none;margin:0;padding:0}.article-sidebar li{margin:0;border-bottom:1px solid var(--border)}.article-sidebar li a{display:grid;grid-template-columns:88px minmax(0,1fr);gap:12px;align-items:center;padding:14px 0;color:inherit;text-decoration:none}.article-sidebar li:first-child a{padding-top:0}.article-sidebar img{display:block;width:88px;height:59px;border-radius:5px;object-fit:cover}.article-sidebar small{display:block;color:#506774;font-size:.75rem;line-height:1.4;margin-bottom:4px}.article-sidebar strong{display:block;color:#18313f;font-size:.9rem;line-height:1.55}.article-sidebar a:hover strong,.article-sidebar a:focus-visible strong{color:#00616a}.all-articles{display:inline-block;margin-top:18px;font-weight:700;font-size:.9rem}.article-links li{margin:12px 0}.article-links a{font-weight:650}.article-links p{font-size:.9375rem;color:#506774}
a.article-card{display:block;height:100%;background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden;text-decoration:none;color:inherit;transition:box-shadow .15s ease}a.article-card:hover{box-shadow:0 4px 16px #18313f18}.article-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;list-style:none;padding:0}.article-links li{margin:0;min-width:0}.article-card img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover}.article-card-body{display:flex;flex-direction:column;gap:12px;padding:18px}.article-card-body>strong{font-size:1.0625rem;line-height:1.6;color:#00616a}.article-card-body>span{font-size:.9375rem;font-weight:400;color:#506774}.article-card-body .read-article{font-weight:700;color:#00616a}.article-hero{max-width:620px;margin:28px auto 36px}.article-hero img{display:block;width:100%;height:auto;border-radius:8px}.article-hero figcaption,.article-figure figcaption{margin-top:10px;font-size:.875rem;color:#506774;line-height:1.7}.article-hero figcaption span{display:block;font-size:.8125rem;margin-top:4px}.article-figure{margin:30px 0 36px}.article-figure img{display:block;width:100%;height:auto;border:1px solid var(--border);border-radius:8px;background:#f5f9fb}@media(max-width:899px){.article-columns{display:block}.article-sidebar{display:none}.article-links{grid-template-columns:1fr}.article-card{max-width:620px}.article-card img{max-height:300px}.article-hero{max-width:580px}}@media(max-width:600px){body{font-family:"Yu Gothic","YuGothic","Hiragino Kaku Gothic ProN","Noto Sans JP",Meiryo,sans-serif}.article-layout article{font-size:1rem;line-height:1.8}.article-figure{margin:24px -6px 30px}.article-figure figcaption{padding:0 6px}}@media(max-width:480px){.article-layout article{padding:20px 16px}.toc{padding:16px}.article-layout{padding:20px 10px 40px}.article-layout ol,.article-layout ul{padding-left:22px}.tool-link{padding:18px}}@media(prefers-reduced-motion:reduce){a.article-card{transition:none}}

.sidebar-popular{margin-top:30px;padding-top:26px;border-top:1px solid var(--border)}.sidebar-popular li:first-child a{padding-top:0}