:root{--ink:#1f2933;--muted:#64748b;--brand:#0f766e;--brand2:#f59e0b;--bg:#fffaf0;--card:#ffffff;--line:#e5e7eb;--danger:#b91c1c}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Yu Gothic",YuGothic,"Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:var(--ink);background:var(--bg);line-height:1.75}a{color:inherit}.site-header{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px;background:rgba(255,250,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;text-decoration:none}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;font-weight:800}.brand small{display:block;color:var(--muted);font-size:12px}.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:14px}.nav a{text-decoration:none;color:#334155}.hero{display:grid;grid-template-columns:1.05fr 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.line-friend{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:16px;font-size:14px;color:#365;}.line-friend img{display:block}.qr-section .qr-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.qr-section article{background:#fff;border:1px solid #e8dfcf;border-radius:18px;padding:20px;text-align:center;box-shadow:0 10px 28px rgba(0,0,0,.06)}.qr-section article>img{width:180px;height:180px;object-fit:contain;background:#fff;border:8px solid #fff}.qr-section .line-add-img{width:auto;height:36px;border:0;margin-top:10px}@media(max-width:720px){.qr-section .qr-grid{grid-template-columns:1fr}.qr-section article>img{width:160px;height:160px}}

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.archive-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.archive-card{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden;box-shadow:0 14px 34px rgba(15,23,42,.08)}
.archive-card img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#f8fafc}
.archive-card figcaption{padding:14px 16px;display:grid;gap:6px}
.archive-card figcaption strong{font-size:18px}
.archive-card figcaption span{color:#475569;font-size:14px;line-height:1.7}
.archive-note-box h2{margin-top:0}
@media (max-width:960px){.archive-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.archive-gallery{grid-template-columns:1fr}}
.status.wait{background:#ede9fe;color:#6d28d9}