/*
Theme Name: Denki Navi
Theme URI: https://ecoflowtech.jp/
Author: でんき比較ナビ
Description: 全面ヒーローと浮いた検索バー、2カラムの比較リストとカテゴリ索引で構成する比較メディア型WordPressテーマ。装飾はすべてインラインCSSで完結する。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 7.1
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: denki-navi
Tags: blog, news, comparison, custom-menu, featured-images
*/

:root{
  --accent:#00b268;
  --accent-deep:#008a51;
  --accent-soft:#e9f8f1;
  --accent-line:#bfe8d6;
  --ink:#313131;
  --ink-sub:#666;
  --ink-mute:#999;
  --line:#e7e7e7;
  --line-soft:#efefef;
  --bg:#fff;
  --bg-2:#f7f7f7;
  --orange:#ff7e33;
  --radius:8px;
  --radius-lg:16px;
  --inner:1120px;
  --font-ja:"Noto Sans JP","Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
  --font-en:"Mulish","Noto Sans JP",sans-serif;
  --shadow:0 1px 6px rgba(0,0,0,.07);
  --shadow-h:0 8px 20px rgba(0,0,0,.12);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-ja);font-size:16px;line-height:1.9;color:var(--ink);background:var(--bg);overflow-x:hidden}
img{max-width:100%;height:auto;vertical-align:bottom}
a{color:inherit;text-decoration:none;transition:opacity .2s,color .2s}
a:hover{opacity:.8}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.dn-inner{max-width:var(--inner);margin:0 auto;padding:0 20px}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}

/* ---------- ヘッダー ---------- */
.dn-header{background:#fff;border-bottom:1px solid var(--line-soft);position:relative;z-index:20}
.dn-header__inner{max-width:var(--inner);margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:18px;height:56px}
.dn-logo{display:flex;align-items:baseline;gap:10px;flex-shrink:0}
.dn-logo img{max-height:34px;width:auto}
.dn-logo__star{color:var(--accent);font-size:18px;line-height:1}
.dn-logo__name{font-size:21px;font-weight:800;letter-spacing:-.01em}
.dn-logo__sub{font-size:10.5px;color:var(--ink-mute);font-weight:500}
.dn-nav{margin-left:auto;display:flex;align-items:center;gap:22px}
.dn-nav__link{font-size:13.5px;font-weight:700;white-space:nowrap}
.dn-nav__link:hover{color:var(--accent-deep)}
.dn-burger{display:none;margin-left:auto;width:36px;height:36px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.dn-burger span{display:block;width:19px;height:2px;background:var(--ink);transition:transform .2s,opacity .2s}
.dn-burger[aria-expanded=true] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.dn-burger[aria-expanded=true] span:nth-child(2){opacity:0}
.dn-burger[aria-expanded=true] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- ヒーロー ---------- */
.dn-hero{position:relative;min-height:360px;display:flex;align-items:center;justify-content:center;text-align:center;
  background:linear-gradient(160deg,#0f3d2e 0%,#0f4a35 45%,#1c7a55 100%);overflow:hidden;padding:70px 20px 86px}
.dn-hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 18% 25%,rgba(0,178,104,.35),transparent 45%),
  radial-gradient(circle at 82% 70%,rgba(120,220,180,.25),transparent 50%)}
.dn-hero__body{position:relative;z-index:2;color:#fff}
.dn-hero__title{font-size:32px;font-weight:800;line-height:1.6;letter-spacing:.02em;text-shadow:0 2px 14px rgba(0,0,0,.25)}
.dn-hero__lead{font-size:14.5px;margin-top:14px;line-height:1.9;opacity:.94}
.dn-heroSearch{position:relative;z-index:5;max-width:560px;margin:-26px auto 0;background:#fff;border-radius:40px;box-shadow:0 4px 18px rgba(0,0,0,.14);display:flex;align-items:center;padding:6px 6px 6px 20px}
.dn-heroSearch input{flex:1;border:none;outline:none;background:none;font-size:14px;font-family:inherit;color:var(--ink);padding:10px 0}
.dn-heroSearch button{background:var(--accent);color:#fff;border-radius:30px;padding:10px 22px;font-size:14px;font-weight:700;flex-shrink:0}

/* ---------- レイアウト ---------- */
.dn-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start;padding:44px 0 64px}

/* ---------- セクション見出し ---------- */
.dn-secHead{margin-bottom:18px}
.dn-secHead__note{font-size:11.5px;color:var(--ink-mute);margin-bottom:4px}
.dn-secHead__ja{font-size:23px;font-weight:800;line-height:1.4}

/* ---------- 比較リスト（2カラム） ---------- */
.dn-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 28px}
.dn-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-soft);position:relative}
.dn-item::after{content:"›";position:absolute;right:2px;top:50%;transform:translateY(-50%);color:var(--ink-mute);font-size:17px}
.dn-item__thumb{display:block;position:relative;width:64px;height:64px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--bg-2)}
.dn-item__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dn-item__thumb .dn-thumbPlaceholder{font-size:9px!important;padding:4px!important;line-height:1.3!important}
.dn-item__body{display:block;min-width:0;flex:1;padding-right:18px}
.dn-item__title{display:block;font-size:14px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.dn-item:hover .dn-item__title{color:var(--accent-deep)}
.dn-item__meta{display:block;font-size:11px;color:var(--accent-deep);margin-top:5px}
.dn-item__badge{display:inline-block;background:var(--accent-soft);color:var(--accent-deep);font-size:10px;font-weight:700;border-radius:3px;padding:2px 7px;margin-top:6px}

/* ---------- カード（アーカイブ用） ---------- */
.dn-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.dn-card{display:block;border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;background:#fff;transition:box-shadow .2s,transform .2s}
.dn-card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.dn-card__thumb{display:block;position:relative;width:100%;padding-top:56.25%;overflow:hidden;background:var(--bg-2)}
.dn-card__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dn-card__body{display:block;padding:14px 16px 18px}
.dn-card__cat{display:inline-block;background:var(--accent-soft);color:var(--accent-deep);font-size:10.5px;font-weight:700;border-radius:20px;padding:3px 11px;margin-bottom:8px}
.dn-card__title{display:block;font-size:14.5px;font-weight:700;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.dn-card:hover .dn-card__title{color:var(--accent-deep)}
.dn-card__date{display:block;font-size:11px;color:var(--ink-mute);margin-top:10px;font-family:var(--font-en)}

.dn-more{display:flex;justify-content:center;margin-top:28px}
.dn-btn{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;border-radius:30px;padding:13px 36px;font-size:14.5px;font-weight:700}
.dn-btn:hover{opacity:.9}
.dn-btn--ghost{background:#fff;color:var(--accent-deep);border:2px solid var(--accent-line)}

/* ---------- サイドバー（カテゴリ索引） ---------- */
.dn-side{display:flex;flex-direction:column;gap:26px;position:sticky;top:16px}
.dn-side__title{font-size:19px;font-weight:800;margin-bottom:10px}
.dn-catlist li{border-bottom:1px solid var(--line-soft)}
.dn-catlist a{display:flex;align-items:center;gap:12px;padding:13px 0;position:relative}
.dn-catlist a::after{content:"›";position:absolute;right:2px;color:var(--ink-mute);font-size:16px}
.dn-catlist__icon{width:30px;height:30px;border-radius:7px;background:var(--accent-soft);color:var(--accent-deep);display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.dn-catlist__body{min-width:0}
.dn-catlist__name{font-size:13.5px;font-weight:700;display:block}
.dn-catlist__desc{font-size:11px;color:var(--ink-mute);display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:180px}
.dn-side__box{background:var(--bg-2);border-radius:var(--radius-lg);padding:20px}
.dn-rank__item{display:flex;gap:11px;padding:11px 0;position:relative;padding-left:28px}
.dn-rank__item+.dn-rank__item{border-top:1px solid var(--line)}
.dn-rank__num{position:absolute;left:0;top:12px;width:20px;height:20px;border-radius:4px;background:var(--ink);color:#fff;font-family:var(--font-en);font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}
.dn-rank__item--top .dn-rank__num{background:var(--accent)}
.dn-rank__thumb{display:block;position:relative;width:66px;height:46px;border-radius:5px;overflow:hidden;flex-shrink:0;background:#fff}
.dn-rank__thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.dn-rank__thumb .dn-thumbPlaceholder{font-size:9px!important;padding:4px!important;line-height:1.3!important}
.dn-rank__title{display:block;font-size:12px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.dn-rank__item:hover .dn-rank__title{color:var(--accent-deep)}

/* ---------- ページ見出し ---------- */
.dn-pageHead{border-bottom:1px solid var(--line-soft);padding:26px 0}
.dn-pageHead__en{font-family:var(--font-en);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);font-weight:800}
.dn-pageHead__title{font-size:25px;font-weight:800;line-height:1.5;margin-top:4px}
.dn-pageHead__desc{font-size:13.5px;color:var(--ink-sub);margin-top:8px}

/* ---------- ページャー ---------- */
.dn-pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:32px;flex-wrap:wrap}
.dn-pager .page-numbers{display:flex;align-items:center;justify-content:center;min-width:38px;height:38px;padding:0 13px;border-radius:6px;font-size:14px;font-weight:700;color:var(--ink-sub);border:1px solid var(--line)}
.dn-pager .page-numbers.current{background:var(--accent);color:#fff;border-color:var(--accent)}
.dn-pager .page-numbers:hover{border-color:var(--accent);color:var(--accent-deep)}
.dn-pager .page-numbers.current:hover{color:#fff}

/* ---------- 記事詳細 ---------- */
.dn-breadcrumb{font-size:12px;color:var(--ink-mute);padding:14px 0}
.dn-breadcrumb a:hover{color:var(--accent-deep)}
.dn-breadcrumb span+span::before{content:"›";margin:0 8px;color:var(--line)}
.dn-article{background:#fff}
.dn-article__head{margin-bottom:20px}
.dn-article__meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.dn-article__cat{background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;border-radius:20px;padding:4px 14px}
.dn-article__date{font-size:12px;color:var(--ink-mute);font-family:var(--font-en)}
.dn-article__title{font-size:29px;font-weight:800;line-height:1.55}
.dn-article__thumb{margin:22px 0;border-radius:var(--radius);overflow:hidden}
.dn-entry{font-size:16px;line-height:2}
.dn-entry>*+*{margin-top:1.6em}
.dn-entry h2{font-size:22px;line-height:1.6;font-weight:800;margin-top:2.4em;padding:12px 0 12px 16px;border-left:6px solid var(--accent);background:var(--accent-soft);border-radius:0 6px 6px 0;scroll-margin-top:80px}
.dn-entry h3{font-size:19px;line-height:1.6;font-weight:800;margin-top:2em;padding-bottom:9px;border-bottom:2px solid var(--line);scroll-margin-top:80px}
.dn-entry h4{font-size:17px;font-weight:700;margin-top:1.8em}
.dn-entry p{margin-top:1.4em}
.dn-entry a{color:var(--accent-deep);text-decoration:underline}
.dn-entry ul,.dn-entry ol{background:var(--bg-2);border-radius:8px;padding:20px 24px 20px 42px}
.dn-entry ul li{list-style:disc}
.dn-entry ol li{list-style:decimal}
.dn-entry li+li{margin-top:8px}
.dn-entry img{border-radius:8px}
.dn-entry blockquote{border-left:4px solid var(--line);background:var(--bg-2);padding:16px 22px;border-radius:0 8px 8px 0;color:var(--ink-sub)}
.dn-entry table{width:100%;border-collapse:collapse;font-size:15px}
.dn-entry table th,.dn-entry table td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.dn-entry table th{background:var(--accent);color:#fff;font-weight:700}
.dn-entry .dn-tablewrap{overflow-x:auto}

/* 目次 */
.dn-toc{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:20px 24px;margin:30px 0}
.dn-toc__head{display:flex;align-items:center;justify-content:space-between;font-weight:800;font-size:15px}
.dn-toc__toggle{font-size:12px;color:var(--accent-deep);font-weight:700}
/* 目次。本文用の ol スタイル（背景・decimal）を打ち消してから組み立てる */
.dn-toc ol,.dn-entry .dn-toc ol{counter-reset:toc;margin-top:14px;background:none;padding:0;border:none;list-style:none}
.dn-toc li,.dn-entry .dn-toc li{list-style:none;margin:0;font-size:14px;line-height:1.9;padding-left:34px;position:relative}
.dn-toc li+li{margin-top:2px}
.dn-toc li:not(.dn-toc__h3){counter-increment:toc;font-weight:700}
.dn-toc li:not(.dn-toc__h3)::before{content:counter(toc);position:absolute;left:0;top:6px;width:22px;height:22px;border-radius:4px;background:var(--accent);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800}
.dn-toc .dn-toc__h3{padding-left:56px;font-size:13px;font-weight:400;color:var(--ink-sub)}
.dn-toc .dn-toc__h3::before{content:"";position:absolute;left:34px;top:14px;width:12px;height:1px;background:var(--line)}

.dn-share{display:flex;align-items:center;gap:10px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line-soft)}
.dn-share__label{font-size:12px;font-weight:700;color:var(--ink-sub)}
.dn-share a,.dn-share button{width:36px;height:36px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--ink-sub)}
.dn-share a:hover,.dn-share button:hover{background:var(--accent);border-color:var(--accent);color:#fff}

.dn-page{padding:16px 0 60px}
.dn-page__title{font-size:26px;font-weight:800;line-height:1.5;margin-bottom:22px}
.dn-empty{text-align:center;padding:60px 20px}
.dn-empty__title{font-size:21px;font-weight:800;margin-bottom:10px}
.dn-empty__desc{color:var(--ink-sub);font-size:14px}

/* ---------- フッター ---------- */
.dn-footer{background:var(--bg-2);margin-top:20px;padding:42px 0 22px;border-top:1px solid var(--line)}
.dn-footer__top{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:26px;border-bottom:1px solid var(--line)}
.dn-footer__brand{max-width:360px}
.dn-footer__desc{font-size:12.5px;line-height:1.95;color:var(--ink-sub);margin-top:12px}
.dn-footer__nav{display:flex;gap:46px;flex-wrap:wrap}
.dn-footer__navTitle{font-family:var(--font-en);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--accent-deep);margin-bottom:12px;font-weight:800}
.dn-footer__nav li{margin-bottom:9px}
.dn-footer__nav a{font-size:13px;color:var(--ink-sub)}
.dn-footer__nav a:hover{color:var(--accent-deep)}
.dn-footer__bar{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding-top:18px}
.dn-footer__copy{font-size:11.5px;color:var(--ink-mute);font-family:var(--font-en)}

/* ---------- レスポンシブ ---------- */
@media (max-width:1024px){
  .dn-layout{grid-template-columns:1fr;gap:32px}
  .dn-side{position:static}
  .dn-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  body{font-size:15px}
  .dn-header__inner{height:52px;gap:10px}
  .dn-nav{display:none}
  .dn-burger{display:flex}
  .dn-nav.is-open{display:flex;position:absolute;left:0;right:0;top:52px;z-index:60;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:6px 20px 14px;box-shadow:var(--shadow-h)}
  .dn-nav.is-open .dn-nav__link{padding:13px 0;border-bottom:1px solid var(--line-soft)}
  .dn-logo__name{font-size:17px}
  .dn-logo__sub{display:none}
  .dn-hero{min-height:250px;padding:46px 18px 70px}
  .dn-hero__title{font-size:21px}
  .dn-heroSearch{margin:-22px 16px 0}
  .dn-list{grid-template-columns:1fr;gap:0}
  .dn-grid{grid-template-columns:1fr}
  .dn-layout{padding:28px 0 48px}
  .dn-article__title{font-size:21px}
  .dn-entry h2{font-size:19px}
  .dn-entry h3{font-size:17px}
  .dn-footer__top{flex-direction:column;gap:24px}
}