/* 家庭用蓄電池カテゴリ（/chikuden/） — loaded after style / cases / company / qa.css */
.pg-ck #ranking,.pg-ck #list,.pg-ck #choose{scroll-margin-top:60px}
.pg-ck .hd3{font-family:var(--ff-h);font-weight:700}

/* hero：左に見出しと数字、右に「かんたんタイプ診断」 */
.ck-hero{padding-bottom:clamp(64px,8vw,110px)}
.ck-top{display:grid;grid-template-columns:1.05fr 1fr;gap:64px;align-items:start;margin-top:44px;position:relative}
.ck-top > *{min-width:0}
.ck-top .disp{font-size:clamp(56px,7vw,104px);color:#fff;margin-top:20px;white-space:nowrap}
.ck-top h1{font-size:clamp(24px,2.2vw,32px);color:#fff;margin-top:20px}
.ck-top h1 small{display:block;font-size:13px;color:var(--mut);font-family:var(--ff);font-weight:500;margin-top:6px}
.ck-top .lead{color:#b9c2be;font-size:15px;line-height:2.05;max-width:540px;margin-top:22px}
.ck-nums{display:grid;grid-template-columns:repeat(3,auto);justify-content:start;margin-top:36px;border-top:1px solid var(--line)}
.ck-nums div{padding:18px 30px 0 0;margin-right:30px;border-right:1px solid var(--line)}
.ck-nums div:last-child{border-right:0;margin-right:0}
.ck-nums b{display:block;font-family:var(--ff-d);font-weight:800;font-stretch:112%;font-size:clamp(28px,2.8vw,42px);line-height:1;color:#fff;white-space:nowrap}
.ck-nums b small{font-family:var(--ff);font-size:13px;font-weight:700;color:var(--amb);margin-left:4px}
.ck-nums span{display:block;font-size:12px;color:var(--mut);margin-top:8px;white-space:nowrap}

.ck-dx{border:1px solid var(--line);border-radius:26px;background:var(--ink2);padding:26px 26px 24px;position:relative}
.ck-dx::before{content:"";position:absolute;inset:-1px;border-radius:26px;padding:1px;background:linear-gradient(135deg,rgba(245,179,1,.6),transparent 40%);-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.ck-dx .hd3{font-size:18px;color:#fff}
.ck-dx .hd3 span{display:block;font-family:var(--ff);font-size:12.5px;font-weight:500;color:var(--mut);margin-top:4px}
.ck-dx fieldset{border:0;border-top:1px solid var(--line);margin-top:16px;padding-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.ck-dx legend{float:left;width:100%;font-size:13.5px;font-weight:700;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.ck-dx legend i{font-style:normal;font-family:var(--ff-d);font-weight:800;font-size:12px;color:var(--amb)}
.ck-dx label{cursor:pointer}
.ck-dx label input{position:absolute;opacity:0;pointer-events:none}
.ck-dx label span{display:inline-block;font-size:13px;font-weight:700;color:#d8ddda;border:1px solid var(--line);background:var(--ink3);border-radius:999px;padding:7px 14px;transition:.2s}
.ck-dx label:hover span{border-color:rgba(245,179,1,.6)}
.ck-dx label input:checked + span{background:var(--amb);border-color:var(--amb);color:var(--ink)}
.ck-dx label input:focus-visible + span{outline:2px solid var(--amb);outline-offset:2px}
.ck-dx .dx-n{margin-top:18px;font-size:12.5px;color:var(--mut);border:1px dashed var(--line);border-radius:14px;padding:14px 16px;text-align:center}
.ck-dx .dx-r{margin-top:18px;background:var(--ink);border:1px solid rgba(245,179,1,.5);border-radius:18px;padding:18px 18px 16px;animation:dxin .45s var(--ease)}
@keyframes dxin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.ck-dx .dx-r .lb{font-family:var(--ff-d);font-weight:700;font-size:11px;letter-spacing:.2em;color:var(--amb)}
.ck-dx .dx-r .rs{display:flex;align-items:baseline;gap:10px;margin-top:4px}
.ck-dx .dx-r .rs b{font-family:var(--ff-h);font-size:24px;color:#fff}
.ck-dx .dx-r .rs span{font-size:15px;font-weight:700;color:var(--amb)}
.ck-dx .dx-r .why{font-size:13px;line-height:1.85;color:#b9c2be;margin-top:6px}
.ck-dx .dx-r .bt{margin-top:14px}

/* ランキング */
.rk-g{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.rk-c{background:var(--ink2);border:1px solid var(--line);border-radius:24px;padding:24px 24px 10px}
.rk-c .hd3{display:flex;align-items:baseline;gap:10px;font-size:13px;font-family:var(--ff-d);letter-spacing:.14em;color:var(--amb);padding-bottom:14px;border-bottom:1px solid var(--line)}
.rk-c .hd3 span{font-family:var(--ff-h);font-size:19px;letter-spacing:0;color:#fff}
.rk-c li a{display:grid;grid-template-columns:34px 64px 1fr 28px;gap:14px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line);transition:.25s}
.rk-c li:last-child a{border-bottom:0}
.rk-c .no{font-family:var(--ff-d);font-weight:800;font-stretch:112%;font-size:26px;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.4)}
.rk-c li:first-child .no{color:var(--amb);-webkit-text-stroke:0}
.rk-c .im{width:64px;height:64px;border-radius:12px;background:#fff;overflow:hidden}
.rk-c .im img{width:100%;height:100%;object-fit:contain}
.rk-c .tx small{display:block;font-size:11.5px;color:var(--mut)}
.rk-c .tx b{font-family:var(--ff-h);font-size:15.5px;color:#fff;line-height:1.45}
.rk-c li a i{font-style:normal;font-family:var(--ff-d);color:var(--mut);transition:.25s}
.rk-c li a:hover b{color:var(--amb)}
.rk-c li a:hover i{color:var(--amb);transform:translateX(3px)}

/* 絞り込み */
.ck-f{display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;background:#fff;border:1px solid var(--line-d);border-radius:22px;padding:16px 22px;box-shadow:0 10px 30px -20px rgba(10,13,12,.35)}
.ck-f .g{display:flex;align-items:center;gap:10px}
.ck-f .lb{font-size:12.5px;font-weight:700;color:var(--mut-d);white-space:nowrap}
.ck-f .ch{display:flex;flex-wrap:wrap;gap:6px}
.ck-f label{cursor:pointer}
.ck-f .ch label input{position:absolute;opacity:0;pointer-events:none}
.ck-f .ch label span{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--ink);background:var(--paper);border:1px solid var(--line-d);border-radius:999px;padding:5px 12px;transition:.2s}
.ck-f .ch label span em{font-style:normal;font-family:var(--ff-d);font-size:11px;color:var(--mut-d)}
.ck-f .ch label:hover span{border-color:var(--ink)}
.ck-f .ch label input:checked + span{background:var(--ink);border-color:var(--ink);color:#fff}
.ck-f .ch label input:checked + span em{color:var(--amb)}
.ck-f .ch label input:focus-visible + span{outline:2px solid var(--grn);outline-offset:2px}
.ck-f select{font:inherit;font-size:13px;font-weight:700;color:var(--ink);background:var(--paper);border:1px solid var(--line-d);border-radius:999px;padding:7px 34px 7px 14px;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(135deg,var(--ink) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat;max-width:100%}
.ck-f .ft{display:flex;align-items:center;gap:14px;margin-left:auto}
.ck-f .cnt{font-size:13px;color:var(--mut-d)}
.ck-f .cnt b{font-family:var(--ff-d);font-weight:800;font-size:22px;color:var(--ink);margin-right:3px}
.ck-f .rst{border:0;background:none;font:inherit;font-size:12.5px;font-weight:700;color:var(--mut-d);text-decoration:underline;text-underline-offset:4px;cursor:pointer}
.ck-f .rst:hover{color:var(--ink)}

.ck-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.ckc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-d);border-radius:20px;padding:14px 14px 16px;transition:.25s;position:relative}
.ckc[hidden]{display:none}
.ckc:hover{border-color:var(--ink);transform:translateY(-3px);box-shadow:0 14px 30px -20px rgba(10,13,12,.45)}
.ckc .im{position:relative;display:block;aspect-ratio:1/1;border-radius:14px;background:#fff;overflow:hidden}
.ckc .im img{width:100%;height:100%;object-fit:contain;transition:.6s var(--ease)}
.ckc:hover .im img{transform:scale(1.04)}
.ckc .im em{position:absolute;top:8px;left:8px;font-style:normal;font-size:10.5px;font-weight:700;border-radius:999px;padding:3px 10px}
.ckc .im .hot{background:var(--amb);color:var(--ink)}
.ckc .im .ed{background:var(--mut-d);color:#fff}
.ckc .mk{font-size:12px;color:var(--mut-d);margin-top:12px}
.ckc .nm{font-family:var(--ff-h);font-size:15.5px;line-height:1.5;color:var(--ink);margin-top:2px}
.ckc .tg{display:flex;flex-wrap:wrap;gap:4px;margin-top:10px}
.ckc .tg span{font-size:11px;font-weight:700;border-radius:6px;padding:2px 8px;background:var(--paper);color:var(--mut-d)}
.ckc .tg .t-single{background:#e7f3ee;color:#167a5e}
.ckc .tg .t-hybrid{background:#fff3d1;color:#8a6400}
.ckc .tg .t-tribrid{background:#e9ecf8;color:#3b4b8c}
.ckc .cp{display:flex;gap:8px;align-items:baseline;margin-top:auto;padding-top:12px;font-family:var(--ff-d);font-weight:700;font-size:14px;color:var(--ink)}
.ckc .cp i{font-style:normal;font-family:var(--ff);font-size:11px;font-weight:500;color:var(--mut-d)}
.ckc.end{opacity:.85}
.ck-grid.sm{grid-template-columns:repeat(6,1fr);gap:10px}
.ck-grid.sm .ckc{padding:10px 10px 12px}
.ck-grid.sm .ckc .nm{font-size:13px}
.ck-grid.sm .ckc .tg,.ck-grid.sm .ckc .cp{display:none}
.ck-none{margin-top:22px;background:#fff;border:1px dashed var(--line-d);border-radius:20px;padding:28px}
.ck-none .lb{font-family:var(--ff-d);font-weight:700;font-size:11px;letter-spacing:.22em;color:var(--grn)}
.ck-none h3{font-size:20px;color:var(--ink);margin-top:6px}
.ck-none p:not(.lb){font-size:14px;color:var(--mut-d);margin:8px 0 18px}
.ck-old{margin-top:48px;border-top:1px solid var(--line-d)}
.ck-old summary{list-style:none;cursor:pointer;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;padding:22px 0 0;font-family:var(--ff-h);font-weight:700;font-size:16px;color:var(--ink)}
.ck-old summary::-webkit-details-marker{display:none}
.ck-old summary::before{content:"+";font-family:var(--ff-d);width:26px;height:26px;border-radius:50%;border:1px solid var(--line-d);display:inline-grid;place-items:center;font-size:15px;transition:.3s}
.ck-old[open] summary::before{content:"−"}
.ck-old summary span{font-family:var(--ff);font-size:12.5px;font-weight:500;color:var(--mut-d)}

/* 選び方 */
.ck-step{display:flex;align-items:center;gap:14px;font-family:var(--ff-h);font-weight:700;font-size:clamp(17px,1.5vw,20px);color:#fff;margin:56px 0 20px}
.ck-step:first-of-type{margin-top:0}
.ck-step span{flex:0 0 auto;white-space:nowrap;font-family:var(--ff-d);font-weight:700;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink);background:var(--amb);border-radius:999px;padding:5px 12px}
.ty-g{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ty-c{display:flex;flex-direction:column;background:var(--ink2);border:1px solid var(--line);border-radius:24px;padding:26px 26px 24px}
.ty-c .en{font-family:var(--ff-d);font-weight:800;font-stretch:115%;font-size:30px;line-height:1;text-transform:uppercase;color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.35)}
.ty-c h3{font-size:22px;color:#fff;margin-top:12px}
.ty-c .tx{font-size:14px;line-height:1.95;color:#b9c2be;margin-top:8px}
.ty-c .lb{font-size:12px;font-weight:700;color:var(--amb);margin-top:16px}
.ty-c ul{margin-top:6px}
.ty-c li{position:relative;padding-left:22px;font-size:13.5px;line-height:1.8;color:#e4e8e5}
.ty-c li + li{margin-top:4px}
.ty-c li::before{content:"✓";position:absolute;left:0;top:0;color:var(--grn);font-weight:700}
.ty-c .ft{margin-top:auto;padding-top:20px;display:flex;flex-direction:column;gap:10px}
.ty-c .ft .p{display:flex;justify-content:space-between;align-items:center;background:var(--amb);color:var(--ink);border-radius:999px;padding:11px 12px 11px 20px;font-size:13.5px;font-weight:700;transition:.25s}
.ty-c .ft .p i{font-style:normal;width:26px;height:26px;border-radius:50%;background:var(--ink);color:var(--amb);display:grid;place-items:center;font-family:var(--ff-d)}
.ty-c .ft .p:hover{background:#fff}
.ty-c .ft .r{font-size:12.5px;font-weight:700;color:var(--mut);text-decoration:underline;text-underline-offset:4px;padding-left:20px}
.ty-c .ft .r:hover{color:#fff}
.ld-g{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ld-c{background:var(--ink2);border:1px solid var(--line);border-radius:24px;padding:26px}
.ld-c .en{font-family:var(--ff-d);font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--grn)}
.ld-c h3{font-size:22px;color:#fff;margin-top:6px}
.ld-c h3 small{display:block;font-family:var(--ff);font-size:13px;font-weight:500;color:var(--amb);margin-top:4px}
.ld-c p:not(.en){font-size:14px;line-height:1.95;color:#b9c2be;margin-top:10px}
.ld-c a{display:inline-flex;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;font-weight:700;color:#fff;border-bottom:1px solid var(--amb);padding-bottom:2px}
.ld-c a i{font-style:normal;font-family:var(--ff-d);color:var(--amb)}
.ld-c a:hover{color:var(--amb)}
.ck-pro{display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;border:1px solid var(--line);border-radius:24px;padding:28px;background:linear-gradient(120deg,rgba(31,163,127,.12),transparent 60%)}
.ck-pro p{font-size:14.5px;line-height:2;color:#d8ddda}
.ck-pro .lk{display:flex;flex-direction:column;gap:8px}
.ck-pro .lk a{display:flex;justify-content:space-between;align-items:center;border:1px solid var(--line);border-radius:14px;padding:13px 16px;font-size:14px;font-weight:700;color:#fff;transition:.2s}
.ck-pro .lk a::after{content:"→";font-family:var(--ff-d);color:var(--amb)}
.ck-pro .lk a:hover{border-color:var(--amb)}

/* 補助金 */
.ck-sub-g{display:grid;grid-template-columns:1fr 1.1fr;gap:72px;align-items:center}
.ck-sub-g .bts{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.ck-sub-s{counter-reset:s;display:flex;flex-direction:column;gap:10px}
.ck-sub-s li{display:grid;grid-template-columns:56px 1fr;column-gap:16px;background:#fff;border:1px solid var(--line-d);border-radius:20px;padding:20px 22px}
.ck-sub-s span{grid-row:1/3;font-family:var(--ff-d);font-weight:800;font-stretch:112%;font-size:34px;line-height:1;color:var(--amb)}
.ck-sub-s b{font-family:var(--ff-h);font-size:17px;color:var(--ink)}
.ck-sub-s p{font-size:13.5px;line-height:1.85;color:var(--mut-d);margin-top:4px}

/* 施工事例 */
.ck-cases .sol-h .bt{flex:0 0 auto}

/* FAQ */
.ck-faq-g{display:grid;grid-template-columns:.7fr 1.6fr;gap:64px;align-items:start}
.ck-faq-g > div:first-child{position:sticky;top:110px}
.ck-faq .qa-list details:first-child{margin-top:0}

/* 関連 */
.rel-g{display:grid;grid-template-columns:1fr 1.4fr;gap:16px}
.rel-g .gd{position:relative;display:flex;flex-direction:column;justify-content:flex-end;min-height:260px;border-radius:24px;padding:28px;background:linear-gradient(160deg,rgba(10,13,12,.2),rgba(10,13,12,.92)),url(assets/photo/house.jpg) center/cover;border:1px solid var(--line);overflow:hidden}
.rel-g .gd .en{font-family:var(--ff-d);font-weight:700;font-size:11px;letter-spacing:.22em;color:var(--amb)}
.rel-g .gd h3{font-size:24px;color:#fff;margin-top:6px}
.rel-g .gd p:not(.en){font-size:13.5px;color:#cfd5d2;margin-top:6px;max-width:420px}
.rel-g .gd .go{position:absolute;right:24px;top:24px;width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.3);display:grid;place-items:center;font-family:var(--ff-d);color:#fff;transition:.3s}
.rel-g .gd:hover .go{background:var(--amb);color:var(--ink);border-color:var(--amb)}
.rel-g .arts{border-top:1px solid var(--line)}
.rel-g .arts a{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 4px;border-bottom:1px solid var(--line);transition:.25s}
.rel-g .arts b{font-family:var(--ff-h);font-size:15.5px;line-height:1.6;color:#fff}
.rel-g .arts span{flex:0 0 auto;font-size:12px;color:var(--mut)}
.rel-g .arts a:hover{padding-left:10px}
.rel-g .arts a:hover b{color:var(--amb)}
.ck-other{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.ck-other .lb{font-size:13px;font-weight:700;color:var(--mut);margin-right:8px}
.ck-other a{font-size:13px;font-weight:700;color:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;transition:.2s}
.ck-other a:hover{border-color:var(--amb);color:var(--amb)}

@media (max-width:1180px){
  .ck-top{grid-template-columns:1fr;gap:40px}
  .ck-top .disp{font-size:clamp(48px,10vw,110px)}
  .ck-grid{grid-template-columns:repeat(3,1fr)}
  .ck-grid.sm{grid-template-columns:repeat(4,1fr)}
  .ty-g{grid-template-columns:1fr}
  .ck-pro{grid-template-columns:1fr}
  .ck-sub-g,.ck-faq-g{grid-template-columns:1fr;gap:36px}
  .ck-faq-g > div:first-child{position:static}
  .rel-g{grid-template-columns:1fr}
}
@media (max-width:860px){
  .rk-g,.ld-g{grid-template-columns:1fr}
  .ck-grid{grid-template-columns:1fr 1fr}
  .ck-grid.sm{grid-template-columns:repeat(3,1fr)}
  .ck-f{position:static}
}
@media (max-width:720px){
  .pg-ck .sol-h{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px}
  .pg-ck .sol-h .mut{max-width:none!important}
}
@media (max-width:600px){
  .ck-top .disp{font-size:clamp(44px,14vw,96px)}
  .ck-nums{grid-template-columns:auto auto auto;justify-content:space-between}
  .ck-nums div{padding-right:10px;margin-right:10px}
  .ck-nums b{font-size:21px}
  .ck-nums b small{font-size:10.5px;margin-left:2px}
  .ck-nums span{font-size:10.5px}
  .ck-dx{padding:22px 18px 20px}
  .ck-f{padding:14px 16px;gap:10px}
  .ck-f .g{width:100%;align-items:flex-start}
  .ck-f .g .lb{flex:0 0 52px;padding-top:6px}
  .ck-f .ft{width:100%;justify-content:space-between;border-top:1px solid var(--line-d);padding-top:10px}
  .ck-grid{gap:10px}
  .ckc{padding:10px 10px 12px;border-radius:16px}
  .ckc .nm{font-size:14px}
  .ck-grid.sm{grid-template-columns:1fr 1fr}
  .rk-c{padding:18px 16px 6px}
  .rk-c li a{grid-template-columns:28px 56px 1fr 18px;gap:10px}
  .rk-c .im{width:56px;height:56px}
  .ty-c,.ld-c,.ck-pro{padding:22px 20px}
}
@media (prefers-reduced-motion:reduce){ .ckc,.ckc .im img,.rk-c li a,.ck-dx .dx-r{transition:none;animation:none} .ckc:hover{transform:none} }

/* 絞り込み：0件になる条件は押せない表示（1.57.1） */
.ck-f label.off{opacity:.4;pointer-events:none}
.ck-f .g .lb small{display:block;font-size:10px;font-weight:500;color:var(--mut-d);letter-spacing:0}
/* 絞り込み：項目名は見出しとして（ボタンと区別）（1.57.2） */
.ck-f .g > .lb{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:700;color:var(--mut-d);letter-spacing:.06em}
.ck-f .g > .lb::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--amb)}
.ck-f .g > .lb::after{content:"";width:1px;height:18px;background:var(--line-d);margin-left:6px}
.ck-f .g > .lb label{cursor:default}
@media (max-width:720px){ .ck-f .g > .lb{flex:0 0 64px;padding-top:7px} .ck-f .g > .lb::after{display:none} }