:root{--bg:#09090b;--panel:#111114;--panel2:#151519;--line:#2b292e;--text:#eee9df;--muted:#aaa3aa;--dim:#77727b;--red:#c95f58;--gold:#cdbb94}
*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Yu Gothic",Meiryo,sans-serif}body{margin:0;background:radial-gradient(circle at 78% 0,#321318 0,transparent 28%),linear-gradient(#0a090b,#09090b 46%)}a{color:inherit}.site{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}.brand{text-decoration:none;font-weight:800}.brand small{display:block;color:var(--dim);font-size:8px;letter-spacing:.16em;margin-top:4px}.back{font-size:10px;text-decoration:none;border:1px solid var(--line);padding:9px 11px;color:var(--muted);background:#101013}.hero{padding:48px 0 28px;display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:28px;align-items:end}.eyebrow{font-size:10px;letter-spacing:.18em;color:#d97e75;font-weight:800}.hero h1{font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-size:clamp(38px,7vw,74px);font-weight:500;line-height:.92;margin:12px 0}.hero h1 span{display:block;font:700 18px/1.4 system-ui,-apple-system,"Yu Gothic",Meiryo,sans-serif;letter-spacing:.04em;margin-top:12px}.hero p{max-width:680px;color:#c0b9bf;line-height:1.9;font-size:13px}.hero-side{border:1px solid var(--line);padding:16px;background:linear-gradient(180deg,#151116,#0e0d10)}.hero-side b{display:block;color:var(--gold);font-size:11px;margin-bottom:8px}.hero-side p{margin:0;font-size:11px;line-height:1.75;color:#a8a0a7}.how{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:8px 0 28px}.how div{border:1px solid var(--line);background:#101013;padding:13px}.how b{display:block;color:#d97e75;font-size:10px;margin-bottom:5px}.how span{font-size:11px;line-height:1.65;color:#b8b1b8}.section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:34px 0 14px}.section-head h2{margin:0;font-family:"Yu Mincho","Hiragino Mincho ProN",serif;font-weight:500;font-size:26px}.section-head p{margin:0;color:var(--dim);font-size:10px}.symptom-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.symptom-card{display:grid;grid-template-columns:44px 1fr;gap:12px;border:1px solid var(--line);background:linear-gradient(180deg,#141217,#0f0e11);padding:16px}.symptom-no{font:800 11px/1 monospace;color:#6d6268;padding-top:4px}.symptom-card h2{font-size:16px;margin:0 0 7px}.symptom-card p{font-size:11px;line-height:1.7;color:#aaa3aa;margin:0 0 12px}.candidates{display:flex;flex-wrap:wrap;gap:6px}.candidate{display:inline-flex;gap:8px;align-items:center;border:1px solid #39343a;background:#0d0d10;padding:7px 9px;text-decoration:none;font-size:10px;color:#d7d0d5}.candidate span{color:#c95f58}.accuracy{margin:18px 0 34px;border:1px solid rgba(205,187,148,.28);background:rgba(205,187,148,.055);padding:13px 15px;color:#bcb3aa;font-size:11px;line-height:1.75}.accuracy b{color:#dfcda7}.finder{position:sticky;top:0;z-index:10;background:rgba(9,9,11,.92);backdrop-filter:blur(10px);padding:12px 0 10px;border-bottom:1px solid var(--line);margin-bottom:14px}.search{display:grid;grid-template-columns:22px 1fr auto;align-items:center;border:1px solid #3a353c;background:#0f0f12;padding:0 12px;min-height:48px}.search span{color:#8d868e}.search input{width:100%;min-width:0;border:0;outline:0;background:transparent;color:#fff;font-size:16px;padding:12px 8px}.search b{font-size:10px;color:#8f8890;font-weight:600}.example{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.example button{border:1px solid #2f2b31;background:#101013;color:#aaa2aa;padding:7px 9px;font-size:10px;cursor:pointer}.killer-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.killer-card{display:grid;grid-template-columns:118px 1fr;min-height:220px;border:1px solid var(--line);background:#101013;text-decoration:none;overflow:hidden}.killer-card img{width:118px;height:100%;object-fit:cover;object-position:top center;filter:saturate(.75) contrast(1.03) brightness(.75)}.killer-copy{padding:14px 15px;min-width:0}.killer-copy small{display:block;color:#ba6d67;font-size:9px;letter-spacing:.06em}.killer-copy strong{display:block;font-size:20px;margin:4px 0 1px}.killer-copy em{display:block;color:#77717a;font-style:normal;font-size:9px;margin-bottom:8px}.killer-copy ul{padding:0 0 0 16px;margin:0;color:#b4adb4;font-size:10px;line-height:1.55}.killer-copy .open{display:block;margin-top:10px;color:#d0b991;font-size:10px}.empty{display:none;border:1px solid var(--line);padding:24px;text-align:center;color:#999;margin-top:10px}.sources{margin:40px 0 24px;padding:18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#928b92;font-size:10px;line-height:1.75}.sources b{color:#cdbb94}.sources a{color:#cdbb94}.footer{display:flex;justify-content:space-between;gap:16px;padding:22px 0 36px;color:#666168;font-size:9px}.is-hidden{display:none!important}
@media(max-width:800px){.hero{grid-template-columns:1fr;padding:30px 0 18px}.hero-side{display:none}.symptom-grid,.killer-grid{grid-template-columns:1fr}.how{grid-template-columns:1fr}.section-head{align-items:start;flex-direction:column}.killer-card{grid-template-columns:92px 1fr;min-height:190px}.killer-card img{width:92px}.site{width:min(100% - 24px,1180px)}}
@media(max-width:480px){.topbar{min-height:62px}.back{font-size:9px;padding:7px 8px}.hero h1{font-size:44px}.hero h1 span{font-size:15px}.symptom-card{grid-template-columns:34px 1fr;padding:13px}.finder{top:0}.killer-card{grid-template-columns:78px 1fr;min-height:180px}.killer-card img{width:78px}.killer-copy{padding:12px}.killer-copy strong{font-size:18px}.killer-copy ul{font-size:10px}.footer{flex-direction:column}}

.top-actions{display:flex;gap:8px;align-items:center}.top-actions .back{white-space:nowrap}@media(max-width:640px){.top-actions{gap:4px}.top-actions .back{padding:7px 8px;font-size:9px}}

/* r17.1: 日本語のページ名が長くなったためヘッダーを折り返し可能にする */
html,body{overflow-x:clip}
.topbar{flex-wrap:wrap;row-gap:6px;padding:10px 0}
.top-actions{flex-wrap:wrap;row-gap:6px}