:root{--navy: #12263a;--navy-2: #1e3a5f;--ink: #22303c;--muted: #5b6b78;--line: #e3e8ec;--bg: #ffffff;--bg-soft: #f5f8fa;--accent: #0a7d6d;--accent-dark: #075c50;--warn: #b4531f;--gold: #c8992e;--radius: 12px;--shadow: 0 2px 10px rgba(18, 38, 58, .07);--shadow-lg: 0 8px 30px rgba(18, 38, 58, .12);--maxw: 1080px;--font: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}a{color:var(--accent-dark);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto;display:block}h1,h2,h3{line-height:1.4;color:var(--navy);font-weight:700}.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}.section{padding:56px 0}.section--soft{background:var(--bg-soft)}.lead{color:var(--muted);font-size:1.05rem}.eyebrow{color:var(--accent);font-weight:700;letter-spacing:.04em;font-size:.85rem;margin:0 0 8px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffeb;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.site-header .container{display:flex;align-items:center;justify-content:space-between;height:62px}.brand{font-weight:800;color:var(--navy);font-size:1.15rem;display:flex;align-items:center;gap:8px}.brand small{font-weight:600;color:var(--muted);font-size:.72rem}.nav{display:flex;gap:20px;align-items:center}.nav a{color:var(--ink);font-size:.92rem;font-weight:600}.nav a:hover{color:var(--accent-dark);text-decoration:none}.nav-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;cursor:pointer;padding:9px;margin:-9px}.nav-burger span{display:block;height:2px;width:100%;background:var(--navy);border-radius:2px;transition:transform 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no-repeat}}.lead-img{width:100%;max-height:340px;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);margin:4px 0 22px}.hero h1{color:#fff;font-size:clamp(1.6rem,4.4vw,2.4rem);margin:0 0 14px}.hero p{color:#d6e2ec;font-size:1.06rem;max-width:640px;margin:0 0 24px}.hero .badges{display:flex;flex-wrap:wrap;gap:10px}.badge{background:#ffffff1f;color:#eaf2f7;border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:6px 14px;font-size:.85rem;font-weight:600}.btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;padding:12px 22px;border-radius:999px;box-shadow:var(--shadow);transition:transform .1s,background .15s}.btn:hover{background:var(--accent-dark);text-decoration:none;transform:translateY(-1px)}.btn--ghost{background:#fff;color:var(--accent-dark);border:1.5px solid var(--accent);box-shadow:none}.rank-list{display:grid;gap:18px}.op-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;position:relative;display:grid;grid-template-columns:44px 1fr auto;gap:16px;align-items:start}.op-card--sponsored{border-color:var(--gold);box-shadow:var(--shadow-lg)}.op-rank{width:44px;height:44px;border-radius:50%;background:var(--navy);color:#fff;font-weight:800;display:grid;place-items:center;font-size:1.15rem}.op-card--sponsored .op-rank{background:var(--gold)}.op-name{margin:0;font-size:1.2rem}.op-meta{color:var(--muted);font-size:.9rem;margin:4px 0 10px}.tags{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}.tag{background:var(--bg-soft);border:1px solid var(--line);color:var(--ink);border-radius:6px;padding:3px 9px;font-size:.8rem}.op-strength{font-size:.95rem;color:var(--ink);margin:8px 0 0}.op-cta{display:flex;flex-direction:column;gap:8px;align-items:stretch;min-width:140px}.ribbon{position:absolute;top:-10px;left:16px;background:var(--gold);color:#fff;font-size:.74rem;font-weight:700;padding:3px 12px;border-radius:6px}@media (max-width: 680px){.op-card{grid-template-columns:40px 1fr}.op-cta{grid-column:1 / -1;flex-direction:row}}.grid{display:grid;gap:18px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 820px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 560px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h3{margin:0 0 8px;font-size:1.08rem}.card p{margin:0;color:var(--muted);font-size:.92rem}.card--link:hover{border-color:var(--accent)}.price-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.price-table th,.price-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:.95rem}.price-table th{background:var(--navy);color:#fff;font-weight:600}.price-table tr:last-child td{border-bottom:none}.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);box-shadow:var(--shadow)}.compare-table{width:100%;min-width:720px;border-collapse:collapse;background:#fff;font-size:.9rem}.compare-table th,.compare-table td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:center;white-space:nowrap}.compare-table thead th{background:var(--navy);color:#fff;font-weight:600;position:sticky;top:0}.compare-table tbody tr:nth-child(2n){background:var(--bg-soft)}.compare-table .c-name{text-align:left;font-weight:700;color:var(--navy);white-space:normal;min-width:150px}.compare-table .c-price{text-align:left;white-space:normal;color:var(--muted);font-size:.82rem;min-width:140px}.compare-table .yes{color:var(--accent);font-weight:800}.compare-table .no{color:#c3ccd2}.table-hint{color:var(--muted);font-size:.82rem;margin:8px 2px 0}.note{background:#fbf7ec;border:1px solid #ecdcae;border-radius:var(--radius);padding:14px 18px;font-size:.9rem;color:#6b5a2e}.chips{display:flex;flex-wrap:wrap;gap:10px}.chip{display:inline-block;background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font-size:.9rem;font-weight:600;color:var(--ink)}.site-footer{background:var(--navy);color:#cdd9e3;padding:40px 0 28px;font-size:.9rem;margin-top:40px}.site-footer a{color:#eaf2f7}.site-footer .cols{display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between}.site-footer h4{color:#fff;margin:0 0 10px;font-size:.95rem}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;gap:6px}.disclaimer{border-top:1px solid rgba(255,255,255,.15);margin-top:26px;padding-top:18px;color:#9fb2c0;font-size:.82rem;line-height:1.7}.prose{max-width:760px}.prose h2{margin:34px 0 12px;font-size:1.4rem;border-left:4px solid var(--accent);padding-left:12px}.prose h3{margin:24px 0 8px;font-size:1.12rem}.prose p,.prose li{color:var(--ink)}.breadcrumb{font-size:.82rem;color:var(--muted);padding:14px 0}.breadcrumb a{color:var(--muted)}