:root{--red: #d3172a;--red-dark: #a80f1f;--ink: #1f2430;--ink-soft: #4b5265;--bg: #faf8f5;--card: #ffffff;--line: #e8e3dc;--accent-soft: #fdf0f1;--radius: 14px;--shadow: 0 1px 2px rgba(31, 36, 48, .05), 0 8px 24px rgba(31, 36, 48, .06)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic,sans-serif;color:var(--ink);background:var(--bg);line-height:1.9;font-size:16px;overflow-wrap:anywhere}a{color:var(--red)}img{max-width:100%}.container{max-width:880px;margin:0 auto;padding:0 20px}.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.site-header .inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 20px;max-width:880px;margin:0 auto}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.05rem;letter-spacing:.02em}.brand .mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--red);color:#fff;font-size:1.05rem;flex:none}.header-search{display:flex}.header-search a{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink-soft);font-size:.88rem;border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:var(--bg)}.header-search a:hover{border-color:var(--red);color:var(--red)}.hero{background:linear-gradient(160deg,#fff 0%,var(--accent-soft) 100%);border-bottom:1px solid var(--line);padding:52px 0 44px;text-align:center}.hero h1{font-size:clamp(1.5rem,4.5vw,2.2rem);margin:0 0 10px;line-height:1.5;letter-spacing:.02em}.hero h1 .em{color:var(--red)}.hero p.lead{color:var(--ink-soft);margin:0 auto 26px;max-width:560px;font-size:.98rem}.search-form{display:flex;gap:8px;max-width:540px;margin:0 auto}.search-form input{flex:1;min-width:0;font:inherit;padding:12px 18px;border:1.5px solid var(--line);border-radius:999px;background:#fff;outline:none}.search-form input:focus{border-color:var(--red)}.search-form button{font:inherit;font-weight:700;color:#fff;background:var(--red);border:none;border-radius:999px;padding:12px 22px;cursor:pointer;flex:none}.search-form button:hover{background:var(--red-dark)}.section{padding:40px 0 56px}.section-title{font-size:1.25rem;margin:0 0 20px;display:flex;align-items:center;gap:10px}.section-title:before{content:"";display:block;width:5px;height:1.35em;border-radius:3px;background:var(--red)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}.cat-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px 18px;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}.cat-card:hover{transform:translateY(-2px);border-color:var(--red)}.cat-card .icon{font-size:1.6rem;display:block;margin-bottom:8px}.cat-card h3{margin:0 0 6px;font-size:1.02rem}.cat-card p{margin:0;font-size:.85rem;color:var(--ink-soft);line-height:1.7}.cat-card .count{display:inline-block;margin-top:10px;font-size:.78rem;color:var(--red);font-weight:700}.breadcrumb{font-size:.82rem;color:var(--ink-soft);padding:16px 0 0}.breadcrumb a{color:var(--ink-soft);text-decoration:none}.breadcrumb a:hover{color:var(--red)}.page-head{padding:20px 0 8px}.page-head .icon{font-size:2rem}.page-head h1{font-size:clamp(1.35rem,4vw,1.8rem);margin:6px 0 8px}.page-head p{color:var(--ink-soft);margin:0;font-size:.95rem}.faq-list{margin:24px 0 8px;display:flex;flex-direction:column;gap:10px}details.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}details.faq summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px;padding:16px 18px;font-weight:700;line-height:1.7}details.faq summary::-webkit-details-marker{display:none}details.faq summary .q-mark{flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--red);color:#fff;font-size:.82rem;font-weight:700;margin-top:2px}details.faq summary .chev{margin-left:auto;flex:none;color:var(--ink-soft);transition:transform .2s ease;margin-top:4px}details.faq[open] summary .chev{transform:rotate(180deg)}details.faq .answer{padding:0 18px 18px 56px;color:var(--ink);font-size:.95rem}details.faq .answer p{margin:0}.other-cats{margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}.chip-row{display:flex;flex-wrap:wrap;gap:8px}.chip{display:inline-flex;align-items:center;gap:6px;text-decoration:none;color:var(--ink);background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:.86rem}.chip:hover{border-color:var(--red);color:var(--red)}.result-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;box-shadow:var(--shadow)}.result-item .cat{font-size:.78rem;color:var(--red);font-weight:700;text-decoration:none}.result-item h3{margin:4px 0 6px;font-size:1rem}.result-item h3 a{color:var(--ink);text-decoration:none}.result-item h3 a:hover{color:var(--red)}.result-item p{margin:0;font-size:.88rem;color:var(--ink-soft);line-height:1.75}.empty-state{text-align:center;color:var(--ink-soft);padding:40px 0}.prose h1{font-size:1.6rem}.prose h2{font-size:1.15rem;margin-top:2em;padding-left:12px;border-left:4px solid var(--red)}.prose p,.prose li{font-size:.95rem}.notice{background:var(--accent-soft);border:1px solid #f3d4d7;border-radius:var(--radius);padding:14px 18px;font-size:.85rem;color:var(--ink-soft);margin-top:32px}.site-footer{background:#232733;color:#c9cdd8;padding:36px 0 28px;margin-top:24px;font-size:.85rem}.site-footer .inner{max-width:880px;margin:0 auto;padding:0 20px}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{text-decoration:underline}.footer-links{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:16px}.site-footer .copy{color:#8b90a0;font-size:.78rem}@media(max-width:560px){.hero{padding:36px 0 32px}details.faq .answer{padding-left:18px}.search-form button{padding:12px 16px}}