/* ===== v2: colour-coded categories (family look with こだわりPC) ===== */
:root{--c:#0b6b3a}
body{background:#fff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) body{background:var(--bg)}}
:root[data-theme="dark"] body{background:var(--bg)}
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:0 2px 8px rgba(0,0,0,.04)}
header.site .wrap{align-items:center;padding-block:10px}
section[id]{scroll-margin-top:96px}
.eco{background:#f5b800;color:#2b2100;border:0;border-radius:8px;box-shadow:0 2px 0 rgba(0,0,0,.12)}
.eco .tag span:first-child{background:#2b2100;color:#fff;border-radius:5px}
.eco dt,.eco .note{color:#4a3a00}
.eco dl{align-items:baseline}.eco dt:last-of-type{font-weight:800;font-size:16px;color:#2b2100}.eco .big small{font-size:19px;font-weight:800}.eco dd:last-of-type{font-size:28px;font-weight:800;line-height:1.2}.eco .note{border-top-color:rgba(43,33,0,.3)}
.logo img{height:52px!important}
nav.pills{display:flex;flex-wrap:wrap;gap:8px}
nav.pills a,.tile{--c:#555;display:flex;align-items:center;gap:8px;background:var(--c);color:var(--t,#fff)!important;text-decoration:none!important;font-weight:700;border-radius:8px;box-shadow:0 2px 0 rgba(0,0,0,.12)}
nav.pills a{padding:6px 12px 6px 6px;font-size:14px}
.ic{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:6px;background:#fff;color:var(--ci,var(--c));font-weight:900;font-size:15px;flex:none}
nav.pills a:hover,.tile:hover{filter:brightness(1.08)}
.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.tile{padding:12px 14px;font-size:16px;min-height:60px}
.tile .ic{width:38px;height:38px}
.ic svg{width:72%;height:72%}
.tile small{display:block;font-weight:500;font-size:11px;opacity:.9}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{--c:#555;display:grid;gap:8px;align-content:start;padding:14px 16px 12px;border:1px solid color-mix(in srgb,var(--c) 30%,#fff);border-top:4px solid var(--c);border-radius:8px;background:color-mix(in srgb,var(--c) 7%,#fff);text-decoration:none;color:var(--ink)}
.card:hover{box-shadow:0 4px 14px rgba(0,0,0,.08)}
.card .badge{justify-self:start;display:inline-flex;align-items:center;gap:6px;background:var(--c);color:var(--t,#fff);font-size:12px;font-weight:700;padding:2px 8px 2px 3px;border-radius:5px}
.card .badge .ic{width:20px;height:20px;font-size:12px;border-radius:4px}
.card b{font-size:15px;line-height:1.55}
.card .sum{font-size:13px;color:var(--muted);line-height:1.7}
.card .dt{font-size:12px;color:var(--muted)}
.sec-title{font-size:20px;font-weight:900;border-left:5px solid var(--c);padding-left:10px;margin:0 0 16px}
/* article */
.art h2{background:color-mix(in srgb,var(--c) 10%,#fff);border-left:5px solid var(--c);padding:10px 14px;border-radius:0 6px 6px 0}
.points{border:0;border-left:5px solid var(--c);background:color-mix(in srgb,var(--c) 10%,#fff);border-radius:0 8px 8px 0}
.points b{color:var(--ci,var(--c))}
.tbl thead th{background:var(--c);color:var(--t,#fff)}
/* product card */
.pc{position:relative;border:2px solid var(--c);border-radius:10px;padding:18px;margin:22px 0;background:var(--surface)}
.pc .tagtab{position:absolute;top:-2px;left:-2px;background:var(--c);color:var(--t,#fff);font-weight:700;font-size:13px;padding:3px 12px;border-radius:9px 0 9px 0}
.pc .head{display:grid;grid-template-columns:120px 1fr;gap:16px;margin-top:14px}
.pc .img{aspect-ratio:1;border-radius:8px;display:grid;place-content:center;justify-items:center;gap:2px;background:color-mix(in srgb,var(--c) 12%,#fff);color:var(--ci,var(--c));max-width:100%}
.pc .img span{display:block;width:56px;height:56px}.pc .img span svg{width:100%;height:100%;stroke-width:1.6}
.pc .img small{font-size:11px;font-weight:700}
.pc a.img{text-decoration:none}.pc .img.has-photo{background:#fff;border:1px solid var(--line);padding:6px}.pc .img.has-photo img{width:100%;height:100%;object-fit:contain;display:block}
.rkcredit{font-size:11px;color:var(--muted);text-align:right;margin:6px 0 0}.rkcredit a{color:var(--muted)}
.pc .lbl{display:inline-block;border:1px solid var(--c);color:var(--ci,var(--c));font-size:12px;font-weight:700;padding:0 8px;border-radius:4px}
.pc h3{font-size:18px;margin:6px 0 4px}
.pc .desc{margin:0;font-size:14px}
.pc .spec{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:6px;margin:14px 0}
.pc .spec div{background:#f4f6f7;border:1px solid var(--line);border-radius:6px;padding:6px 10px}
.pc .spec span{display:block;font-size:11px;color:var(--muted);border:0;padding:0}
.pc .spec b{font-size:14px}
.pc .pm{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pc .pm div{border-radius:6px;padding:10px 12px;font-size:13px}
.pc .pm .m{background:#ecf8f0}.pc .pm .d{background:#fdeeee}
.pc .pm b{display:block;margin-bottom:4px}.pc .pm .m b{color:#15803d}.pc .pm .d b{color:#b91c1c}
.pc .pm ul{margin:0;padding-left:1.1em}
.pc .btns{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:14px}
.pc .btns a{display:block;text-align:center;color:#fff;font-weight:700;text-decoration:none;padding:12px 6px;border-radius:6px;font-size:14px}
.pc .btns .amz{background:#f39800}.pc .btns .rkt{background:#bf0000}.pc .btns .yhs{background:#ff0033}
.pc .btns .soon{opacity:.45;pointer-events:none}
.pc .fine{font-size:11px;color:var(--muted);margin:8px 0 0}
@media (max-width:820px){.tiles{grid-template-columns:repeat(2,1fr)}.cards{grid-template-columns:1fr}nav.pills{display:none}}
@media (max-width:520px){.pc .head{grid-template-columns:1fr}.pc .img{max-width:140px}.pc .spec{grid-template-columns:repeat(2,1fr)}.pc .pm{grid-template-columns:1fr}.pc .btns{grid-template-columns:1fr}}

/* ===== v3: cards e tabelas com cores variadas (padrão こだわりPC) ===== */
.pc:nth-child(11n+1 of .pc){--c:#1a6bff;--t:#fff;--ci:#1a6bff}
.tbl tbody tr:nth-child(11n+1){--r:#1a6bff}
.pc:nth-child(11n+2 of .pc){--c:#ea580c;--t:#fff;--ci:#ea580c}
.tbl tbody tr:nth-child(11n+2){--r:#ea580c}
.pc:nth-child(11n+3 of .pc){--c:#0d9488;--t:#fff;--ci:#0d9488}
.tbl tbody tr:nth-child(11n+3){--r:#0d9488}
.pc:nth-child(11n+4 of .pc){--c:#db2777;--t:#fff;--ci:#db2777}
.tbl tbody tr:nth-child(11n+4){--r:#db2777}
.pc:nth-child(11n+5 of .pc){--c:#65a30d;--t:#fff;--ci:#65a30d}
.tbl tbody tr:nth-child(11n+5){--r:#65a30d}
.pc:nth-child(11n+6 of .pc){--c:#7c3aed;--t:#fff;--ci:#7c3aed}
.tbl tbody tr:nth-child(11n+6){--r:#7c3aed}
.pc:nth-child(11n+7 of .pc){--c:#f5b800;--t:#2b2100;--ci:#a16207}
.tbl tbody tr:nth-child(11n+7){--r:#f5b800}
.pc:nth-child(11n+8 of .pc){--c:#0284c7;--t:#fff;--ci:#0284c7}
.tbl tbody tr:nth-child(11n+8){--r:#0284c7}
.pc:nth-child(11n+9 of .pc){--c:#dc2626;--t:#fff;--ci:#dc2626}
.tbl tbody tr:nth-child(11n+9){--r:#dc2626}
.pc:nth-child(11n+10 of .pc){--c:#16a34a;--t:#fff;--ci:#16a34a}
.tbl tbody tr:nth-child(11n+10){--r:#16a34a}
.pc:nth-child(11n+11 of .pc){--c:#c026d3;--t:#fff;--ci:#c026d3}
.tbl tbody tr:nth-child(11n+11){--r:#c026d3}
.pc{background:color-mix(in srgb,var(--c) 7%,var(--surface));border-top-width:5px}
.pc .spec div{background:color-mix(in srgb,var(--c) 10%,var(--surface));border-color:color-mix(in srgb,var(--c) 25%,var(--line))}
.pc .img:not(.has-photo){background:color-mix(in srgb,var(--c) 16%,var(--surface))}
.tbl table{border-collapse:separate;border-spacing:0 3px}
.tbl tbody td{background:color-mix(in srgb,var(--r,#888) 9%,var(--surface));border-color:transparent}
.tbl tbody td:first-child{box-shadow:inset 5px 0 0 var(--r,#888);padding-left:14px;font-weight:700}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pc{background:color-mix(in srgb,var(--c) 13%,var(--surface))}:root:not([data-theme="light"]) .tbl tbody td{background:color-mix(in srgb,var(--r,#888) 15%,var(--surface))}}
:root[data-theme="dark"] .pc{background:color-mix(in srgb,var(--c) 13%,var(--surface))}
:root[data-theme="dark"] .tbl tbody td{background:color-mix(in srgb,var(--r,#888) 15%,var(--surface))}

/* ===== v3: caixas (ポイント, 計算条件, 参考資料, 関連記事) no padrão de cores ===== */
.points li:nth-child(11n+1),.calc li:nth-child(11n+1),.sources li:nth-child(11n+1),.related .post:nth-child(11n+1 of .post){--rc:#1a6bff}
.points li:nth-child(11n+2),.calc li:nth-child(11n+2),.sources li:nth-child(11n+2),.related .post:nth-child(11n+2 of .post){--rc:#ea580c}
.points li:nth-child(11n+3),.calc li:nth-child(11n+3),.sources li:nth-child(11n+3),.related .post:nth-child(11n+3 of .post){--rc:#0d9488}
.points li:nth-child(11n+4),.calc li:nth-child(11n+4),.sources li:nth-child(11n+4),.related .post:nth-child(11n+4 of .post){--rc:#db2777}
.points li:nth-child(11n+5),.calc li:nth-child(11n+5),.sources li:nth-child(11n+5),.related .post:nth-child(11n+5 of .post){--rc:#65a30d}
.points li:nth-child(11n+6),.calc li:nth-child(11n+6),.sources li:nth-child(11n+6),.related .post:nth-child(11n+6 of .post){--rc:#7c3aed}
.points li:nth-child(11n+7),.calc li:nth-child(11n+7),.sources li:nth-child(11n+7),.related .post:nth-child(11n+7 of .post){--rc:#ca8a04}
.points li:nth-child(11n+8),.calc li:nth-child(11n+8),.sources li:nth-child(11n+8),.related .post:nth-child(11n+8 of .post){--rc:#0284c7}
.points li:nth-child(11n+9),.calc li:nth-child(11n+9),.sources li:nth-child(11n+9),.related .post:nth-child(11n+9 of .post){--rc:#dc2626}
.points li:nth-child(11n+10),.calc li:nth-child(11n+10),.sources li:nth-child(11n+10),.related .post:nth-child(11n+10 of .post){--rc:#16a34a}
.points li:nth-child(11n+11),.calc li:nth-child(11n+11),.sources li:nth-child(11n+11),.related .post:nth-child(11n+11 of .post){--rc:#c026d3}
.points ul,.calc ul,.sources ol{list-style:none;padding-left:0;counter-reset:k}
.points li,.calc li,.sources li{counter-increment:k;position:relative;padding-left:20px;margin:5px 0}
.sources li{padding-left:28px}
.points li::before,.calc li::before{content:"";position:absolute;left:2px;top:.62em;width:10px;height:10px;border-radius:3px;background:var(--rc)}
.sources li::before{content:counter(k);position:absolute;left:0;top:.1em;display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:5px;background:var(--rc);color:#fff;font-size:11px;font-weight:800}
.calc{background:color-mix(in srgb,var(--c) 8%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 30%,var(--line));border-top:4px solid var(--c);border-radius:8px}
.calc b,.sources b{color:var(--ci,var(--c))}
.sources{background:color-mix(in srgb,var(--c) 5%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 22%,var(--line));border-radius:8px;padding:14px 18px}
.related .list{display:grid;gap:10px}
.related .post{border:1px solid color-mix(in srgb,var(--rc) 30%,var(--line));border-left:5px solid var(--rc);border-radius:8px;padding:12px 14px;background:color-mix(in srgb,var(--rc) 7%,var(--surface))}
.related .post .kind{background:var(--rc);border-color:var(--rc);color:#fff;border-radius:5px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .calc,:root:not([data-theme="light"]) .sources{background:color-mix(in srgb,var(--c) 12%,var(--surface))}:root:not([data-theme="light"]) .related .post{background:color-mix(in srgb,var(--rc) 13%,var(--surface))}}
:root[data-theme="dark"] .calc,:root[data-theme="dark"] .sources{background:color-mix(in srgb,var(--c) 12%,var(--surface))}
:root[data-theme="dark"] .related .post{background:color-mix(in srgb,var(--rc) 13%,var(--surface))}

/* ===== 迷ったらこの3つから ===== */
.pick3{background:color-mix(in srgb,var(--c) 6%,var(--surface));border:1px solid color-mix(in srgb,var(--c) 28%,var(--line));border-top:4px solid var(--c);border-radius:10px;padding:12px 14px 10px;margin:18px 0 8px}
.pick3-h{margin:0 0 10px;font-weight:800;color:var(--ci,var(--c));font-size:15px}
.pick3-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.p3{background:var(--surface);border:1px solid var(--line);border-top:4px solid var(--pc);border-radius:8px;padding:10px;display:flex;flex-direction:column;gap:6px}
.p3-lbl{align-self:flex-start;background:var(--pc);color:#fff;font-size:12px;font-weight:800;padding:2px 9px;border-radius:5px}
.p3-img{display:block;align-self:center;width:120px;height:120px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:4px;margin:2px 0}.p3-img img{width:100%;height:100%;object-fit:contain;display:block}
.p3-name{font-size:14px;line-height:1.45}
.p3-price{color:#15803d;font-weight:800;font-size:17px;font-variant-numeric:tabular-nums}
.p3-price.p3-np{font-size:13px;color:var(--muted);font-weight:600}
.p3-btns{display:grid;gap:5px;margin-top:auto}
.p3-btns a{display:block;text-align:center;color:#fff!important;text-decoration:none!important;font-weight:700;font-size:12px;padding:7px 4px;border-radius:5px}
.p3-btns .amz{background:#f39800}.p3-btns .rkt{background:#bf0000}.p3-btns .yhs{background:#ff0033}
.pick3-note{font-size:11px;color:var(--muted);margin:8px 0 0}
@media (max-width:640px){.pick3-grid{grid-template-columns:1fr}}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .pick3{background:color-mix(in srgb,var(--c) 12%,var(--surface))}}
:root[data-theme="dark"] .pick3{background:color-mix(in srgb,var(--c) 12%,var(--surface))}
/* ===== ranking (1位〜) ===== */
.pc.rk1.rk1{--c:#d4a017;--t:#2b2100;--ci:#a16207}.pc.rk2.rk2{--c:#7c8ea6;--t:#fff;--ci:#5b6b80}.pc.rk3.rk3{--c:#c0672b;--t:#fff;--ci:#c0672b}
.pc .tagtab .rkn{font-weight:900;margin-right:6px}