:root{color-scheme:dark;--bg:#0a0c10;--panel:#11151b;--panel2:#171c24;--text:#eef2f7;--muted:#98a2b3;--line:#27303d;--field-bg:#0d1117;--control-border:#65748b;--accent:#76a9ff;--good:#7ee2a8;--warn:#ffd66e;--danger:#ff8a8a;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 20% -10%,#16213a 0,transparent 34%),var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;line-height:1.55}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,input,select{font:inherit}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.topbar{position:sticky;top:0;z-index:20;background:rgba(10,12,16,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}.nav{min-height:64px;display:flex;align-items:center;gap:22px}.brand{font-weight:800;letter-spacing:-.03em;margin-right:auto}.brand span{color:var(--accent)}.nav a{color:var(--muted);font-size:14px}.nav a:hover{color:var(--text)}.hero{padding:64px 0 34px}.eyebrow{font-size:12px;color:var(--accent);font-weight:800;letter-spacing:.12em;text-transform:uppercase}.hero h1{font-size:clamp(34px,6vw,64px);line-height:1.04;letter-spacing:-.055em;max-width:900px;margin:12px 0 18px}.hero p{color:var(--muted);font-size:18px;max-width:760px}.notice{border:1px solid #3a4b67;background:#101927;padding:12px 14px;border-radius:12px;color:#c9d8ee;font-size:13px}.grid{display:grid;grid-template-columns:350px minmax(0,1fr);gap:22px;align-items:start}.panel{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:18px}.filters{padding:18px;position:sticky;top:84px}.filters h2,.results-head h2{margin:0 0 14px;font-size:18px}.field{margin:0 0 14px}.field label{display:block;color:#cbd5e1;font-size:13px;font-weight:700;margin-bottom:7px}.field input:not([type="checkbox"]),.field select{width:100%;min-width:0;min-height:44px;background:var(--field-bg);color:var(--text);border:1px solid var(--control-border);border-radius:10px;padding:11px 12px;outline:none}.field input:focus,.field select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(118,169,255,.12)}.row-check{display:flex;gap:9px;align-items:center;font-size:14px;color:#d6dde8}.help{font-size:11px;color:var(--muted);margin-top:5px}.button{display:inline-flex;justify-content:center;align-items:center;border:0;border-radius:10px;padding:10px 14px;font-weight:800;cursor:pointer}.button.primary{width:100%;background:var(--accent);color:#08101d}.button.ghost{background:#1a2230;border:1px solid #313d4e;color:#dfe8f4}.results-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:12px}.results-head p{margin:0;color:var(--muted);font-size:13px}.result-card{position:relative;padding:20px;margin-bottom:14px;background:linear-gradient(180deg,#151b23,#10141a);border:1px solid var(--line);border-radius:16px;overflow:hidden}.rank{position:absolute;right:12px;top:8px;font-size:38px;font-weight:900;color:rgba(255,255,255,.05)}.result-head{display:flex;justify-content:space-between;gap:18px;align-items:start}.vendor{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.result-card h3{margin:3px 0 8px;font-size:21px;letter-spacing:-.025em}.score{display:flex;align-items:baseline;gap:2px;border-radius:12px;padding:8px 10px;background:#0b0f15}.score strong{font-size:25px}.score span{font-size:11px;color:var(--muted)}.score.great strong{color:var(--good)}.score.good strong{color:#8fd3ff}.score.mid strong{color:var(--warn)}.score.low strong{color:var(--danger)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:12px 0}.metrics div{background:#0b0f14;border:1px solid #202834;border-radius:10px;padding:9px 10px}.metrics span{display:block;color:var(--muted);font-size:10px}.metrics strong{font-size:14px}.price-meta{font-size:11px;color:var(--muted)}.reasons,.warnings ul{padding-left:20px;margin:12px 0;font-size:13px}.reasons li::marker{color:var(--good)}.warnings{margin-top:10px;border-top:1px solid var(--line);padding-top:9px;color:#e7c36a;font-size:12px}.warnings summary{cursor:pointer}.card-actions{display:flex;gap:8px;margin-top:12px}.section{padding:42px 0}.section h2{font-size:28px;letter-spacing:-.035em}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.mini{padding:18px}.mini h3{margin:0 0 6px}.mini p{color:var(--muted);font-size:13px}.empty{padding:28px;border:1px dashed #3b4657;border-radius:14px;color:var(--muted);text-align:center}.footer{margin-top:50px;padding:28px 0 50px;border-top:1px solid var(--line);color:var(--muted);font-size:12px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}.compare-table{border-collapse:collapse;width:100%;min-width:760px;background:var(--panel)}.compare-table th,.compare-table td{border-bottom:1px solid var(--line);padding:12px;text-align:left}.compare-table thead th{position:sticky;top:0;background:#161c24}.compare-table small{color:var(--muted)}.detail-grid{display:grid;grid-template-columns:1fr 320px;gap:24px}.spec-list{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.spec{padding:14px}.spec span{display:block;color:var(--muted);font-size:11px}.spec strong{font-size:18px}.source-list li{margin-bottom:10px}.badge{display:inline-block;border:1px solid #34435a;border-radius:999px;padding:3px 8px;color:#b9c7da;font-size:11px;margin-right:5px}.subtle{color:var(--muted)}
@media(max-width:860px){.grid,.detail-grid{grid-template-columns:1fr}.filters{position:static}.metrics,.spec-list{grid-template-columns:repeat(2,1fr)}.cards{grid-template-columns:1fr}.nav a.hide-sm{display:none}.hero{padding-top:42px}}
@media(max-width:520px){.wrap{width:min(100% - 20px,var(--max))}.metrics{grid-template-columns:1fr 1fr}.result-head{align-items:center}.score strong{font-size:20px}.card-actions{flex-direction:column}.hero p{font-size:15px}}
.lead{color:var(--muted);font-size:17px;max-width:850px}.compact-grid{grid-template-columns:390px minmax(0,1fr)}.metrics-5{grid-template-columns:repeat(5,1fr)}.metrics small{display:block;color:var(--muted);font-size:9px;margin-top:2px}.positive{color:var(--good)!important}.negative{color:var(--danger)!important}.calc-note{margin-top:12px}.cta-row{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}.button.inline{width:auto}.article-body{max-width:820px}.article-body h2{margin-top:38px}.article-body p,.article-body li{color:#cbd5e1}.kpi{font-size:32px;font-weight:900;letter-spacing:-.04em}.pill-row{display:flex;gap:7px;flex-wrap:wrap}.method{border-left:3px solid var(--accent);padding-left:14px;color:var(--muted)}
@media(max-width:1040px){.metrics-5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:860px){.compact-grid{grid-template-columns:1fr}.metrics-5{grid-template-columns:repeat(2,1fr)}}

/* v0.3: keyboard access, readable metrics and mobile navigation */
[hidden]{display:none!important} :focus-visible{outline:3px solid var(--accent);outline-offset:4px}
.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--accent);color:#08101d;padding:12px}.skip-link:focus{top:12px}
.nav{gap:16px;flex-wrap:wrap;padding:12px 0}.nav-links{display:flex;gap:16px;flex-wrap:wrap}.nav-links a{min-height:40px;display:flex;align-items:center;gap:5px}.brand{white-space:nowrap;font-size:18px!important}
main{min-height:60vh}main a:not(.button):not(.panel){text-decoration:underline;text-underline-offset:3px}h1,h2,h3{overflow-wrap:anywhere}h1{font-size:clamp(28px,5vw,44px);line-height:1.3}
.hero h1{line-height:1.2;letter-spacing:-.035em}.grid>*{min-width:0}.detail-grid{grid-template-columns:minmax(0,1fr) 290px}.metrics div{min-width:0}.metrics span{font-size:12px}.metrics strong{overflow-wrap:anywhere}.metrics small{font-size:11px}.help,.price-meta,.vendor{font-size:12px}.field input::placeholder{color:var(--muted);opacity:1}
.button{min-height:44px}.button:disabled{opacity:.55;cursor:default}.card-actions{flex-wrap:wrap}.risk{border-color:#7d5c27;color:#ffdf93;margin:12px 0}.mini .risk{color:#ffdf93}.footer nav{display:flex;gap:16px;flex-wrap:wrap}.footer a{text-decoration:underline}.compare-table th,.compare-table td{vertical-align:top}.compare-table th:first-child{min-width:180px}.table-wrap{max-width:100%;margin-top:12px}.result-head h3{overflow-wrap:anywhere}.results-head{gap:12px;flex-wrap:wrap}.article-body{line-height:1.8}.article-body a{color:var(--accent)}
@media(max-width:1040px){.nav{display:block}.nav-links{margin-top:6px;gap:6px 16px}.filters{top:132px}}
@media(max-width:860px){.topbar{position:static}.grid,.detail-grid,.compact-grid{grid-template-columns:minmax(0,1fr)}.filters{position:static}.nav-links{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}.nav-links a{flex-shrink:0}.section{padding:28px 0}.metrics-5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.hero{padding-top:28px}.hero h1{font-size:36px}.hero h1 br{display:none}.mini,.result-card{padding:14px}.result-head{gap:8px}.score{flex-shrink:0}.spec-list{grid-template-columns:repeat(2,minmax(0,1fr))}.lead{font-size:16px}.nav-links a{font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Product provenance stays readable in price comparison tables. */
.compare-table td small{display:block;margin:4px 0;line-height:1.5}.compare-table td:last-child{min-width:210px}.mini a,.mini p,.notice{overflow-wrap:anywhere}
@media(max-width:860px){.table-wrap::before{content:'表は左右にスクロールできます';display:block;position:sticky;left:0;width:fit-content;max-width:100%;padding:10px 12px;color:var(--muted);font-size:12px;background:var(--panel)}}

.nav-links a[aria-current],.footer nav a[aria-current]{color:var(--accent);font-weight:800;text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:2px}
.row-check,.nav-links a{min-height:44px}.row-check{cursor:pointer}.row-check input[type="checkbox"]{width:18px;height:18px;margin:0;flex-shrink:0}

#db .mini h2{font-size:1.17em;margin:0 0 6px}

.filter-options summary{cursor:pointer;min-height:44px;padding:10px 0;font-size:14px;font-weight:700}.filter-options[open] summary{margin-bottom:10px}

#resultSummary{scroll-margin-top:140px}

#importInputs,#importResults{scroll-margin-top:100px}
@media(max-width:860px){#importInputs,#importResults{scroll-margin-top:16px}}

/* Price headers need enough width to remain readable inside the scroll region. */
.price-table thead th{white-space:nowrap}.price-table td:not(:first-child):not(:last-child){min-width:120px}

.price-table tbody th{font-weight:400}.price-table tbody th small{display:block;margin:4px 0;line-height:1.5}

.game-fps-table tbody th{font-weight:400}.game-fps-table tbody th small{display:block;margin:4px 0;line-height:1.5}

.game-fps-table caption{text-align:left;padding:12px;font-size:13px;color:var(--muted)}.game-fps-table caption span{display:block;max-width:calc(100vw - 64px);overflow-wrap:anywhere}
.game-fps-table thead th{white-space:nowrap}.game-fps-table tbody td{min-width:90px}

.game-fps-table tbody th .modified-warning{color:#ffdf93}

.import-price-table tbody th{font-weight:400}.import-price-table tbody th small{display:block;margin:4px 0;line-height:1.5}.import-price-table tbody th .import-hardware-warning{color:#ffdf93}.import-price-table thead th{white-space:nowrap}