.site-header[data-astro-cid-3ef6ksr2]{background:#fff;border-bottom:1px solid var(--color-border);padding:1rem 0;position:sticky;top:0;z-index:100}.header-inner[data-astro-cid-3ef6ksr2]{display:flex;justify-content:space-between;align-items:center}.logo[data-astro-cid-3ef6ksr2]{font-size:1.5rem;font-weight:700;color:var(--color-primary);text-decoration:none}.nav[data-astro-cid-3ef6ksr2]{margin-left:auto}.nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{display:flex;list-style:none;gap:1.5rem;margin:0;padding:0}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{text-decoration:none;color:var(--color-text);font-weight:500;font-size:.95rem;transition:color .2s}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:var(--color-accent)}.hamburger[data-astro-cid-3ef6ksr2]{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0;background:none;border:none;cursor:pointer}.hamburger-line[data-astro-cid-3ef6ksr2]{display:block;width:22px;height:2px;background:var(--color-primary);border-radius:1px;transition:transform .3s,opacity .3s}.hamburger[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(1){transform:translateY(7px) rotate(45deg)}.hamburger[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(2){opacity:0}.hamburger[data-astro-cid-3ef6ksr2][aria-expanded=true] .hamburger-line[data-astro-cid-3ef6ksr2]:nth-child(3){transform:translateY(-7px) rotate(-45deg)}@media (max-width: 768px){.hamburger[data-astro-cid-3ef6ksr2]{display:flex;order:2}.nav[data-astro-cid-3ef6ksr2]{position:fixed;top:57px;left:0;right:0;margin-left:0;background:#fff;border-bottom:1px solid var(--color-border);box-shadow:0 4px 12px #0000001a;max-height:0;overflow:hidden;opacity:0;transition:max-height .3s,opacity .3s}.nav[data-astro-cid-3ef6ksr2].is-open{max-height:280px;opacity:1}.nav[data-astro-cid-3ef6ksr2] ul[data-astro-cid-3ef6ksr2]{flex-direction:column;gap:0;padding:1rem 0}.nav[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]{border-bottom:1px solid var(--color-border)}.nav[data-astro-cid-3ef6ksr2] li[data-astro-cid-3ef6ksr2]:last-child{border-bottom:none}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:block;padding:1rem 1.5rem;font-size:1rem}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--color-primary);color:#fff;padding:4rem 0 2rem;margin-top:5rem}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:2fr 1fr 1fr;gap:3rem;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:3rem}.footer-brand[data-astro-cid-sz7xmlte] .logo[data-astro-cid-sz7xmlte]{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none;margin-bottom:1rem;display:block}.footer-brand[data-astro-cid-sz7xmlte] .description[data-astro-cid-sz7xmlte]{font-size:.9rem;line-height:1.8;color:#ffffffb3}.footer-nav[data-astro-cid-sz7xmlte] h3[data-astro-cid-sz7xmlte]{font-size:1rem;font-weight:700;margin-bottom:1.5rem;color:#fff}.footer-nav[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;padding:0;margin:0}.footer-nav[data-astro-cid-sz7xmlte] li[data-astro-cid-sz7xmlte]{margin-bottom:.75rem}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#ffffffb3;text-decoration:none;font-size:.9rem;transition:color .2s}.footer-nav[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:#fff;text-decoration:underline}.footer-bottom[data-astro-cid-sz7xmlte]{padding-top:2rem;text-align:center;font-size:.8rem;color:#ffffff80}@media (max-width: 768px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr;gap:2rem}}:root{--color-primary: #2C3E50;--color-accent: #E67E22;--color-text: #333333;--color-text-muted: #666666;--color-border: #E0E0E0;--color-background: #FFFFFF;--color-background-soft: #F8F9FA;--font-sans: "Noto Sans JP", system-ui, sans-serif;--font-serif: "Noto Serif JP", serif;--container-width: 1000px}*{box-sizing:border-box}body{font-family:var(--font-sans);color:var(--color-text);background-color:var(--color-background);line-height:1.8;margin:0;padding:0}.container{max-width:var(--container-width);margin:0 auto;padding:0 1.5rem}h1,h2,h3,h4,h5,h6{color:var(--color-primary);line-height:1.4;margin-top:2rem;margin-bottom:1rem}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}.body :global(h2){font-family:var(--font-serif);font-size:1.75rem;border-left:4px solid var(--color-accent);padding-left:1rem;margin-top:3rem}.body :global(h3){font-size:1.4rem;border-bottom:2px solid var(--color-border);padding-bottom:.5rem}.body :global(p){margin:1.5rem 0}.body :global(blockquote){margin:2rem 0;padding:1.5rem;background:var(--color-background-soft);border-left:4px solid var(--color-primary);font-style:italic;color:var(--color-text-muted)}.body :global(ul),.body :global(ol){margin:1.5rem 0;padding-left:2rem}.body :global(li){margin-bottom:.5rem}.body :global(table),.article-body :global(table){width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:.95rem;border:1px solid #bbb}.body :global(th),.body :global(td),.article-body :global(th),.article-body :global(td){border:1px solid #bbb;padding:.75rem 1rem;text-align:left;vertical-align:top}.body :global(th),.article-body :global(th){background:var(--color-background-soft);font-weight:700;color:var(--color-primary)}.body :global(tr:hover td),.article-body :global(tr:hover td){background:#00000005}.affiliate-box{background:var(--color-background-soft);border:1px solid var(--color-border);padding:1.5rem;margin:2rem 0;border-radius:12px}.cta-box{margin:2rem 0;padding:1.25rem 1.5rem;background:linear-gradient(135deg,#fff9f5,#fff5ee);border:1px solid rgba(230,126,34,.25);border-left:4px solid var(--color-accent);border-radius:8px;box-shadow:0 2px 8px #0000000a;line-height:1.75}.cta-box a{font-weight:700;text-decoration:none}.cta-box a:hover{text-decoration:underline}.cta-box br{display:block;margin-top:.4rem}.huto{font-weight:700}.on-color{color:#c0392b}.affiliate-box a{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:1rem 1.5rem;align-items:start;text-decoration:none;color:inherit}.affiliate-box img{grid-column:1;grid-row:1 / -1;width:120px;height:120px;object-fit:cover;border-radius:8px}.affiliate-box-title{grid-column:2;grid-row:1;font-weight:700;font-size:1.1rem;margin:0 0 .75rem;color:var(--color-primary)}.affiliate-box-btn{grid-column:2;grid-row:2;display:inline-block;padding:.6rem 1.5rem;background:var(--color-accent);color:#fff;border-radius:6px;font-weight:700;font-size:.9rem;text-align:center}.blog-card{margin:2rem 0;border:1px solid var(--color-border);border-radius:12px;overflow:hidden;transition:transform .2s}.blog-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0000000d}.blog-card a{display:flex;align-items:center;gap:1.5rem;padding:1.25rem;text-decoration:none;color:inherit}.blog-card-img{width:100px;height:75px;object-fit:cover;border-radius:6px;flex-shrink:0}.blog-card-title{font-weight:700;font-size:1.05rem;line-height:1.4}@media (max-width: 600px){.affiliate-box a{grid-template-columns:1fr;grid-template-rows:auto auto auto;text-align:center}.affiliate-box img{grid-column:1;grid-row:1;margin:0 auto}.affiliate-box-title{grid-column:1;grid-row:2}.affiliate-box-btn{grid-column:1;grid-row:3}.blog-card a{flex-direction:column;align-items:flex-start;gap:1rem}.blog-card-img{width:100%;height:auto;aspect-ratio:16/9}}.pagetop-btn{position:fixed;bottom:2rem;right:2rem;z-index:50;display:flex;align-items:center;justify-content:center;gap:.35rem;padding:.65rem 1.25rem;background:var(--color-primary);color:#fff;border:none;border-radius:2rem;font-size:.85rem;font-weight:700;text-decoration:none;box-shadow:0 4px 12px #00000026;cursor:pointer;transition:background .2s,transform .2s}.pagetop-btn:hover{background:var(--color-accent);transform:translateY(-2px)}.pagetop-btn .pagetop-arrow{font-size:1rem;line-height:1}.pagetop-btn .pagetop-text{display:inline}@media (max-width: 768px){.pagetop-btn .pagetop-text{display:none}.pagetop-btn{width:3rem;height:3rem;padding:0;border-radius:50%}}