:root{--color-text:#23302f;--color-muted:#5c6b6a;--color-bg:#fff;--color-bg-soft:#f3f6f5;--color-primary:#1f4e5f;--color-primary-soft:#e3eef1;--color-accent:#d9822b;--color-line:#06c755;--color-border:#dbe3e1;--radius:12px;--font-sans:"Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;--container:1080px}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);overflow-wrap:anywhere;line-break:strict;margin:0;font-size:16px;line-height:1.85}img{max-width:100%;height:auto}a{color:var(--color-primary)}h1,h2,h3{font-weight:700;line-height:1.45}h1{font-size:1.6rem}h2{font-size:1.35rem}h3{font-size:1.1rem}.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 16px}.narrow{max-width:760px}section{padding:48px 0}.section-soft{background:var(--color-bg-soft)}.section-title{margin:0 0 8px}.section-lead{color:var(--color-muted);margin:0 0 24px}.eyebrow{letter-spacing:.08em;color:var(--color-accent);margin-bottom:8px;font-size:.8rem;font-weight:700;display:inline-block}.btn{text-align:center;border:2px solid #0000;border-radius:999px;justify-content:center;align-items:center;min-height:48px;padding:10px 24px;font-weight:700;line-height:1.4;text-decoration:none;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-outline{border-color:var(--color-primary);color:var(--color-primary);background:#fff}.btn-line{background:var(--color-line);color:#fff}.btn-sm{min-height:40px;padding:6px 16px;font-size:.9rem}.btn-lg{width:100%;min-height:56px;font-size:1.05rem}.btn-row{flex-direction:column;gap:12px;display:flex}.site-header{z-index:10;border-bottom:1px solid 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.check-list{flex:1}.case-meta{background:var(--color-bg-soft);color:var(--color-muted);border-radius:999px;margin-bottom:8px;padding:2px 10px;font-size:.8rem;display:inline-block}.case-flow{margin:12px 0 0}.case-flow dt{color:var(--color-primary);font-size:.9rem;font-weight:700}.case-flow dd{margin:0 0 12px}.faq details{border-bottom:1px solid var(--color-border);padding:12px 0}.faq summary{cursor:pointer;font-weight:700}.faq details p{margin:8px 0 0}.post-list{gap:16px;margin:0;padding:0;list-style:none;display:grid}.post-list a{border-radius:var(--radius);border:1px solid var(--color-border);color:var(--color-text);padding:20px;text-decoration:none;display:block}.post-list h2,.post-list h3{color:var(--color-primary);margin:4px 0 8px;font-size:1.1rem}.post-list p{color:var(--color-muted);margin:0;font-size:.95rem}.post-date{color:var(--color-muted);font-size:.8rem}.tags{flex-wrap:wrap;gap:6px;margin:8px 0 0;padding:0;list-style:none;display:flex}.tags li{background:var(--color-bg-soft);color:var(--color-muted);border-radius:4px;padding:0 8px;font-size:.75rem}.article{padding:32px 0 48px}.article-header{border-bottom:1px solid var(--color-border);margin-bottom:32px;padding-bottom:16px}.article-header h1{margin:4px 0 0}.prose h2{border-left:4px solid var(--color-primary);margin:2.2em 0 .8em;padding-left:12px}.prose h3{margin:1.8em 0 .6em}.prose table{border-collapse:collapse;width:100%;font-size:.9rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--color-border);white-space:nowrap;padding:8px}.prose th{background:var(--color-bg-soft)}.prose blockquote{background:var(--color-bg-soft);border-radius:8px;margin:1.5em 0;padding:12px 16px}.prose pre{border-radius:8px;padding:12px;overflow-x:auto}.article-footer{margin-top:48px}.page-header{background:var(--color-primary-soft);padding:32px 0 24px}.page-header h1{margin:0 0 8px}.page-header 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h1{font-size:2.4rem}.cycle{grid-template-columns:repeat(3,1fr)}.cards-2{grid-template-columns:repeat(2,1fr)}.cards-3{grid-template-columns:repeat(3,1fr)}.btn-row{flex-direction:row}.btn-lg{width:auto;padding:12px 40px}.post-list{grid-template-columns:repeat(2,1fr)}}.nav-desktop{display:none}@media (width>=960px){.nav-toggle{display:none}.nav-desktop{display:block}.nav-desktop ul{align-items:center;gap:20px;margin:0;padding:0;list-style:none;display:flex}.nav-desktop a:not(.btn){color:var(--color-text);font-size:.95rem;text-decoration:none}.nav-desktop a[aria-current=page]{color:var(--color-primary);font-weight:700}}