body{margin:0;background:var(--canvas);color:var(--ink);font-family:var(--font-sans);line-height:1.8}.site-shell{min-height:100vh;display:flex;flex-direction:column;font-size:15px;overflow-wrap:break-word}.site-shell *{box-sizing:border-box}.site-shell a{color:var(--teal);text-underline-offset:4px}.site-shell a:hover{color:var(--deep-green)}:where(a,button,input,select,summary):focus-visible{outline:3px solid var(--focus);outline-offset:4px}.site-shell h1,.site-shell h2,.site-shell h3,.site-shell h4{color:var(--ink);font-weight:600;line-height:1.5;margin:0}.site-shell p{margin:0 0 1.3em}.site-shell img{max-width:100%;height:auto;display:block;border-radius:var(--card-radius)}.site-main{width:100%;max-width:var(--site-width);padding:48px var(--page-gutter) 64px;margin:0 auto;flex:1}.site-eyebrow{font-size:10px;letter-spacing:.15em;font-weight:700;color:var(--teal)}.page-heading{max-width:850px;margin-bottom:36px}.page-heading h1{font-size:clamp(28px,3.4vw,42px);letter-spacing:.025em;margin:12px 0 16px}.page-heading p{color:var(--muted);font-size:14px;margin:0;line-height:1.9}.home-intro{max-width:850px;padding:12px 0 24px}.home-intro h1{font-size:clamp(28px,3.4vw,44px);margin:13px 0 24px;line-height:1.6;letter-spacing:.04em}.home-intro p{max-width:780px;color:var(--muted);font-size:15px;line-height:2}.section-heading{display:flex;align-items:center;justify-content:space-between;margin:34px 0 18px;gap:16px}.section-heading h2{font-size:19px}.section-heading a{font-size:12px}.featured-tool{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:48px;align-items:center;padding:36px 40px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--paper);text-decoration:none;color:var(--ink)!important;margin-bottom:26px;transition:border-color .18s,box-shadow .18s}.featured-tool:hover{border-color:#9bb5a7;box-shadow:0 6px 20px #173f3908}.featured-tool h2{font-size:clamp(22px,2.5vw,30px);margin:12px 0 16px}.featured-tool .featured-title-link{color:inherit;text-decoration:none}.featured-tool .featured-title-link:hover{text-decoration:underline}.featured-tool p{font-size:13px;color:var(--muted);max-width:660px;line-height:1.9}.tool-link{display:inline-flex;gap:25px;align-items:center;font-size:12px;color:var(--teal);font-weight:600;margin-top:12px}.tool-art{background:var(--deep-green);border-radius:8px;color:var(--paper);padding:23px 28px}.tool-art>span{font-size:10px;color:#c6dbce}.tool-art strong{display:block;font-size:34px;font-weight:500;letter-spacing:-.025em;line-height:1.6;font-variant-numeric:tabular-nums}.tool-art small{font-size:12px;margin-left:8px}.tool-art>div{display:grid;gap:7px;margin:14px 0 19px;border-left:1px solid #597970;padding-left:9px}.tool-art i{display:block;height:7px;background:#9bc4ad;border-radius:1px}.content-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.home-content-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.content-card{display:flex;flex-direction:column;height:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--card-radius);overflow:hidden;text-decoration:none;transition:border-color .18s}.content-card:hover{border-color:#9bb5a7}.content-card>img{width:100%;aspect-ratio:2;object-fit:cover;border-radius:0}.card-body{padding:28px;display:flex;flex-direction:column;flex:1}.content-card h2{font-size:20px;margin:12px 0;overflow-wrap:anywhere}.content-card p{font-size:13px;line-height:1.9;color:var(--muted)}.card-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:17px;margin-top:auto;font-size:11px;color:var(--muted);gap:12px}.card-bottom>span{margin-left:auto;color:var(--teal)}.empty-card{padding:32px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--paper)}.empty-card p{margin:12px 0 0;color:var(--muted);font-size:14px}.article-main{max-width:1040px}.article-panel{background:var(--paper);border:1px solid var(--line);border-radius:var(--card-radius);padding:48px 64px}.article-heading{padding-bottom:30px;margin-bottom:36px;border-bottom:1px solid var(--line)}.article-heading h1{font-size:clamp(27px,3vw,38px);margin:12px 0 18px;line-height:1.6;overflow-wrap:anywhere}.article-date{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:11px}.article-hero{margin:0 0 36px}.article-hero img{width:100%;max-height:300px;object-fit:cover}.prose{line-height:2;font-size:15px;overflow-wrap:anywhere}.prose h2{font-size:23px;margin:2em 0 1em;padding-top:18px;border-top:1px solid var(--line)}.prose h3{font-size:19px;margin:1.8em 0 .8em}.prose h4{font-size:16px;margin:1.5em 0 .7em}.prose ul,.prose ol{padding-left:1.4em;margin:1em 0 1.8em}.prose li{margin:.6em 0;padding-left:.2em}.prose blockquote{border-left:3px solid var(--teal);background:var(--soft-green);margin:24px 0;padding:20px 24px;color:var(--muted)}.prose blockquote p:last-child{margin:0}.prose pre{overflow:auto;background:#eaf0e8;padding:20px;border-radius:7px;font-size:13px}.prose code{font-size:.9em;padding:2px 5px;background:#eaf0e8;border-radius:3px}.prose pre code{padding:0;background:none}.prose table{display:block;overflow:auto;border-collapse:collapse;max-width:100%;font-size:13px;margin:24px 0}.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line)}.prose th{background:var(--soft-green)}.prose hr{border:0;border-top:1px solid var(--line);margin:30px 0}@media (max-width:1050px){.featured-tool{padding:28px;gap:28px;grid-template-columns:minmax(0,1fr) 240px}.article-panel{padding:36px 40px}}@media (max-width:700px){.site-main{padding:28px var(--page-gutter) 40px}.page-heading{margin-bottom:26px}.home-intro{padding-top:0}.home-intro p{font-size:14px}.featured-tool{grid-template-columns:1fr;padding:24px;gap:24px}.tool-art{max-width:100%}.content-grid{grid-template-columns:1fr;gap:16px}.card-body{padding:24px}.article-panel{padding:26px 22px}.article-heading{padding-bottom:22px;margin-bottom:26px}.prose{font-size:14px}.prose h2{font-size:21px}.section-heading{align-items:baseline}.section-heading h2{font-size:17px}}@media (prefers-reduced-motion:reduce){.featured-tool,.content-card{transition:none}}a[data-astro-cid-eimmu3lg]{display:inline-block;color:var(--muted)!important;font-size:12px;text-decoration:none;padding:5px 0;border-bottom:2px solid transparent;white-space:nowrap;line-height:1.6}a[data-astro-cid-eimmu3lg]:hover{color:var(--teal)!important}a[data-astro-cid-eimmu3lg].active{color:var(--teal)!important;border-bottom-color:var(--teal);font-weight:600}@media (max-width:600px){a[data-astro-cid-eimmu3lg]{font-size:11px}}:root{--ink: #17302e;--muted: #657471;--teal: #17796f;--deep-green: #173f39;--line: #dce3de;--paper: #fffefa;--canvas: #f4f5ef;--soft-green: #edf3ed;--focus: #dc8b30;--font-sans: "Noto Sans JP", "Yu Gothic", Meiryo, sans-serif;--site-width: 1500px;--page-gutter: 40px;--card-radius: 10px}@media (max-width: 1050px){:root{--page-gutter: 24px}}@media (max-width: 700px){:root{--page-gutter: 16px}}.site-header[data-astro-cid-3ef6ksr2]{background:var(--paper);border-bottom:1px solid var(--line);font-family:var(--font-sans);flex-shrink:0}.header-inner[data-astro-cid-3ef6ksr2]{box-sizing:border-box;max-width:var(--site-width);margin:auto;padding:20px var(--page-gutter);display:flex;align-items:center;gap:28px;flex-wrap:wrap}.site-brand[data-astro-cid-3ef6ksr2]{color:var(--ink)!important;font-size:25px;font-weight:700;letter-spacing:.15em;text-decoration:none;white-space:nowrap;line-height:1.5}.site-brand[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{font-size:10px;letter-spacing:.15em;margin-left:18px;font-weight:500}nav[data-astro-cid-3ef6ksr2]{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin-left:auto}.header-badge[data-astro-cid-3ef6ksr2]{border:1px solid #b9c9bd;border-radius:4px;padding:3px 9px;font-size:10px;letter-spacing:.1em;color:var(--muted)}.languages[data-astro-cid-3ef6ksr2]{display:flex;gap:6px;font-size:11px;white-space:nowrap;color:var(--muted)}.languages[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:var(--muted);text-decoration:none}.languages[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current]{color:var(--teal);font-weight:700}.languages[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{text-decoration:underline}@media (max-width:850px){.header-inner[data-astro-cid-3ef6ksr2]{gap:14px 20px}nav[data-astro-cid-3ef6ksr2]{gap:18px}.site-brand[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{display:none}}@media (max-width:600px){.header-inner[data-astro-cid-3ef6ksr2]{padding:16px var(--page-gutter);gap:13px}.site-brand[data-astro-cid-3ef6ksr2]{font-size:23px}.site-brand[data-astro-cid-3ef6ksr2] small[data-astro-cid-3ef6ksr2]{display:inline;font-size:9px}nav[data-astro-cid-3ef6ksr2]{order:3;flex-basis:100%;margin:0;justify-content:space-between;gap:6px}.header-badge[data-astro-cid-3ef6ksr2]{margin-left:auto}}.site-footer[data-astro-cid-sz7xmlte]{border-top:1px solid var(--line);color:var(--muted);font-family:var(--font-sans);margin-top:auto}.footer-inner[data-astro-cid-sz7xmlte]{box-sizing:border-box;max-width:var(--site-width);margin:auto;padding:24px var(--page-gutter) 32px;display:flex;justify-content:space-between;gap:24px;align-items:flex-end;font-size:10px;line-height:1.9}.footer-name[data-astro-cid-sz7xmlte]{display:block;font-size:11px;letter-spacing:.08em}.footer-inner[data-astro-cid-sz7xmlte]>p[data-astro-cid-sz7xmlte]{margin:0;white-space:nowrap}.footer-contact[data-astro-cid-sz7xmlte]{font-size:12px;overflow-wrap:anywhere}.footer-inner[data-astro-cid-sz7xmlte] a{color:var(--teal);text-underline-offset:4px}.footer-inner[data-astro-cid-sz7xmlte] p{margin:3px 0}@media (max-width:700px){.footer-inner[data-astro-cid-sz7xmlte]{display:block}.footer-inner[data-astro-cid-sz7xmlte]>p[data-astro-cid-sz7xmlte]{margin-top:14px}}