/* ドミニ君の建売購入.com（design_方針_2026-10-15.md 2章） */
:root{
  --bg:#FFFFFF;--bg-soft:#FFF6EC;--text:#222222;--text-sub:#5F6368;--ink:#1F2A37;
  --accent:#C4540A;--accent-hover:#A64608;--accent-soft:#FFE7D1;--link:#1A5FB4;--border:#E3E5E8;
  --info-bg:#EEF4FB;--check:#2E7D32;--warn:#B3261E;--ad-bg:#F5F5F5;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.8;
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI","Meiryo",sans-serif}
img{max-width:100%;height:auto}
a{color:var(--link)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
svg{width:1em;height:1em;fill:currentColor}
.skip{position:absolute;left:-9999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:20}
.wrap{max-width:calc(40em + 32px);margin:0 auto;padding:0 16px}
.narrow{max-width:calc(40em + 32px)}

/* ヘッダー */
.hd{position:sticky;top:0;z-index:10;background:#fff;border-bottom:3px solid #F39C12}
.hd-in{max-width:1080px;margin:0 auto;padding:0 8px 0 16px;height:56px;display:flex;align-items:center;gap:4px}
.logo{flex:1;display:flex;min-width:0}.logo img{height:20px;width:auto;max-width:100%}
.hd-search{display:flex;align-items:center;justify-content:center;width:44px;height:44px;color:var(--ink)}
.hd-search svg{width:24px;height:24px}
.menu summary{list-style:none;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.menu summary::-webkit-details-marker{display:none}
.menu summary span,.menu summary span::before,.menu summary span::after{display:block;width:22px;height:2px;background:var(--ink);position:relative;content:""}
.menu summary span::before{position:absolute;top:-7px}.menu summary span::after{position:absolute;top:7px}
.menu[open] summary span{background:transparent}.menu[open] summary span::before{top:0;transform:rotate(45deg)}.menu[open] summary span::after{top:0;transform:rotate(-45deg)}
.menu nav{position:absolute;left:0;right:0;top:59px;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 8px 16px rgba(0,0,0,.08);padding:8px 16px 12px;max-height:80vh;overflow:auto}
.menu-h{margin:4px 0;font-size:13px;color:var(--text-sub)}
.menu ul{list-style:none;margin:0;padding:0;max-width:1080px}
.menu li a{display:flex;align-items:center;min-height:44px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--border)}
.menu-sub{margin-top:8px!important}

/* パンくず・一覧見出し */
.crumbs ol{list-style:none;margin:12px 0 0;padding:0;font-size:13px;color:var(--text-sub);display:flex;flex-wrap:wrap}
.crumbs li+li::before{content:"›";margin:0 6px}
.crumbs a{color:var(--text-sub)}
.crumbs li[aria-current]{display:none}
.list-hd h1{font-size:22px;line-height:1.5;margin:14px 0 4px;color:var(--ink)}
.list-hd p{margin:0 0 14px;color:var(--text-sub);font-size:14px}

/* 記事 */
.cat-label{margin:14px 0 4px}
.cat-label a{display:inline-block;font-size:12px;line-height:1.8;padding:0 10px;border:1px solid var(--ink);border-radius:4px;color:var(--ink);text-decoration:none}
.post h1{font-size:22px;line-height:1.5;margin:4px 0 6px;color:var(--ink)}
.pr{margin:0 0 8px;font-size:14px;color:var(--text-sub)}
.byline{display:flex;gap:10px;align-items:center;margin:8px 0 12px;font-size:14px;line-height:1.6}
.byline img{border-radius:50%;background:var(--bg-soft);flex:none}
.byline a{color:var(--ink);font-weight:bold}
.byline span{color:var(--text-sub);font-size:13px}
.sys-note{background:var(--info-bg);border-radius:6px;padding:8px 12px;font-size:14px;line-height:1.6;margin:0 0 12px}
.eyecatch{margin:0 0 16px}.eyecatch img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:8px;display:block}
.summary{display:flex;gap:10px;background:var(--bg-soft);border-radius:8px;padding:12px 14px;margin:0 0 20px}
.summary img{flex:none;width:40px;height:40px;align-self:flex-start;border-radius:50%;object-fit:cover}
.summary-h{margin:0;font-weight:bold}
.summary ol{margin:4px 0 0;padding-left:1.3em}
.prose>*:first-child{margin-top:0}
.prose p{margin:0 0 1em}
.prose h2{font-size:20px;line-height:1.5;color:var(--ink);margin:56px 0 16px;padding:4px 0 4px 12px;border-left:4px solid var(--ink)}
.prose h3{font-size:18px;line-height:1.5;color:var(--ink);margin:36px 0 12px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.prose h4,.prose h5,.prose h6{font-size:16px;line-height:1.6;margin:28px 0 8px;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin:.25em 0}
.prose img{border-radius:6px;display:block;margin:12px auto}
.prose mark{background:linear-gradient(transparent 60%,#FFF0A8 60%);color:inherit}
.prose strong{font-weight:bold}
.center{text-align:center;font-size:14px}
.dates{font-size:13px;color:var(--text-sub);margin:24px 0 0}

/* 目次 */
.toc{border:1px solid var(--border);border-radius:8px;padding:10px 14px;margin:24px 0;background:#FAFBFC}
.toc summary{font-weight:bold;cursor:pointer;min-height:32px}
.toc ol{margin:6px 0 0;padding-left:1.4em;font-size:15px;line-height:1.7}
.toc ol ol{list-style:none;padding-left:.6em;font-size:14px}
.toc a{color:var(--ink);text-decoration:none}
.toc a:hover{text-decoration:underline}

/* 吹き出し */
.sb{display:flex;gap:10px;align-items:flex-start;margin:18px 0}
.sb-ans{flex-direction:row-reverse}
.sb-who{flex:none;width:64px;text-align:center;font-size:11px;line-height:1.4;color:var(--text-sub)}
.sb-who img{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid var(--border);background:#fff;display:block;margin:0 auto 2px}
.sb-body{position:relative;max-width:85%;border-radius:12px;padding:12px 16px;background:var(--info-bg)}
.sb-ans .sb-body{background:var(--bg-soft)}
.sb-body::before{content:"";position:absolute;top:18px;border:7px solid transparent}
.sb-ask .sb-body::before{left:-13px;border-right-color:var(--info-bg)}
.sb-ans .sb-body::before{right:-13px;border-left-color:var(--bg-soft)}
.sb-body>*:last-child{margin-bottom:0}
.sb-body ul,.sb-body ol{margin:0;padding-left:1.2em}

/* ブログカード */
.card{display:flex;gap:12px;align-items:center;border:1px solid var(--border);border-radius:8px;padding:10px;margin:16px 0;text-decoration:none;color:var(--text);background:#fff}
.card:hover{border-color:var(--link)}
.card-img{flex:none;width:96px}
.card-img img{width:96px;height:54px;object-fit:cover;border-radius:4px;display:block;margin:0}
.card-l{display:block;font-size:12px;color:var(--text-sub)}
.card-t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-weight:bold;color:var(--link);line-height:1.5;font-size:15px;overflow-wrap:anywhere}
.card-ext .card-t{font-weight:normal}

/* CTA */
.cta{background:var(--accent-soft);border-radius:12px;padding:16px;margin:24px 0;text-align:center}
.cta-micro{margin:0 0 8px;font-size:14px;font-weight:bold;color:var(--ink)}
.cta-btn{display:flex;align-items:center;justify-content:center;gap:6px;max-width:400px;min-height:52px;margin:0 auto;padding:8px 16px;border-radius:8px;background:var(--accent);color:#fff;font-weight:bold;text-decoration:none;line-height:1.5}
.cta-btn::after{content:"›";font-size:20px}
.cta-btn:hover{background:var(--accent-hover)}
.cta-btn-in{background:#fff;color:var(--link);border:1px solid var(--link)}
.cta-btn-in:hover{background:var(--info-bg)}
.cta-note{margin:6px 0 0;font-size:12px;color:var(--text-sub)}
.cta img[width="1"]{position:absolute;width:1px;height:1px}

/* 情報ボックス・注記・FAQ */
.box{background:var(--info-bg);border-left:4px solid var(--ink);border-radius:6px;padding:12px 16px;margin:20px 0}
.box-warn{border-left-color:var(--warn)}
.box-label{margin:0 0 4px!important;font-weight:bold;font-size:14px;color:var(--ink)}
.box>*:last-child{margin-bottom:0}
.box ol,.box ul{margin:0}
.note-box{background:#FFFBEA;border-radius:6px;padding:12px 16px}
.faq{border:1px solid var(--border);border-radius:8px;padding:12px 14px;margin:14px 0}
.faq-q{margin:0 0 8px;font-weight:bold;display:flex;gap:8px}
.faq-q::before,.faq-a::before{flex:none;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;color:#fff;font-size:13px;font-weight:bold;line-height:1}
.faq-q::before{content:"Q";background:var(--ink)}
.faq-a{display:flex;gap:8px}
.faq-a::before{content:"A";background:var(--check)}
.faq-a>*{margin:0}

/* 表 */
.table-wrap{overflow-x:auto;margin:16px 0}
.table-wrap table{border-collapse:collapse;width:100%;min-width:100%;font-size:15px;line-height:1.6}
.table-wrap th,.table-wrap td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}
.table-wrap thead th,.table-wrap thead td{background:var(--ink);color:#fff}
.table-wrap tbody tr:nth-child(even){background:#FAFAFA}
.table-wrap figcaption,.table-wrap caption{font-size:13px;color:var(--text-sub);text-align:left}

/* 著者・シェア・関連 */
.author{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--border);border-radius:8px;padding:14px;margin:24px 0;font-size:15px}
.author img{flex:none;border-radius:50%;background:var(--bg-soft)}
.author p{margin:0 0 6px}
.author-name{font-weight:bold;color:var(--ink)}
.share{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}
.share button,.share a{display:inline-flex;align-items:center;min-height:44px;padding:0 16px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--ink);font-size:14px;text-decoration:none;cursor:pointer;font-family:inherit}
.related h2,.sec-h{font-size:19px;color:var(--ink);margin:36px 0 12px;padding-bottom:6px;border-bottom:2px solid var(--ink)}

/* 記事カード */
.pcards{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.pcard{display:flex;gap:12px;text-decoration:none;color:var(--text)}
.pcard-img{flex:none;width:120px}
.pcard-img img,.noimg{display:block;width:120px;height:68px;object-fit:cover;border-radius:6px;background:var(--bg-soft)}
.pcard-body{min-width:0}
.pcard-t{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;font-weight:bold;line-height:1.5;color:var(--ink);font-size:15px}
.pcard-d{display:block;font-size:12px;color:var(--text-sub);margin-top:2px}
.pcard:hover .pcard-t{color:var(--link);text-decoration:underline}
.pcard-big{flex-direction:column;gap:8px}
.pcard-big .pcard-img,.pcard-big .pcard-img img{width:100%;height:auto;aspect-ratio:16/9}

/* トップ */
.hero{background:var(--bg-soft);padding:24px 0 20px}
.hero-in{display:flex;gap:14px;align-items:center}
.hero-in>img{flex:none;width:80px;height:auto}
.hero-h{font-size:21px;line-height:1.5;margin:0 0 6px;color:var(--ink)}
.hero-sub{margin:0;font-size:14px;line-height:1.7;color:var(--text-sub)}
.hubs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hubs a{display:block;text-decoration:none;color:var(--ink);font-weight:bold;font-size:14px;text-align:center}
.hubs img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:8px;display:block;margin-bottom:4px;border:1px solid var(--border)}
.banner{display:block;border:2px solid var(--ink);border-radius:12px;padding:14px 16px;text-decoration:none;color:var(--ink);background:#fff}
.banner-l{display:block;font-size:12px;color:var(--text-sub)}
.banner-t{display:block;font-weight:bold;font-size:17px;line-height:1.5}
.banner-go{display:block;text-align:right;font-size:14px;color:var(--link)}
.more{text-align:center;margin:16px 0}
.btn-sub{display:inline-flex;align-items:center;min-height:44px;padding:0 24px;border:1px solid var(--ink);border-radius:8px;color:var(--ink);text-decoration:none;font-weight:bold}
.catbtns{list-style:none;margin:0 0 16px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.catbtns a{display:flex;justify-content:space-between;align-items:center;min-height:48px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;color:var(--ink);text-decoration:none;font-size:14px}
.catbtns span{color:var(--text-sub);font-size:12px}

/* 検索・その他 */
.search{display:flex;gap:8px;margin:0 0 12px}
.search input{flex:1;min-width:0;height:48px;padding:0 14px;border:1px solid var(--border);border-radius:8px;font-size:16px}
.search button{height:48px;padding:0 18px;border:0;border-radius:8px;background:var(--ink);color:#fff;font-size:16px;font-weight:bold;cursor:pointer}
.note{font-size:14px;color:var(--text-sub)}
.nf{margin-top:24px}
.static h1{font-size:24px;color:var(--ink);margin:14px 0 16px}
.ad{margin:32px 0;min-height:280px;background:var(--ad-bg);border-radius:8px;padding:8px}
.ad-label{margin:0 0 4px;font-size:12px;color:var(--text-sub);text-align:center}

/* フッター */
.ft{margin-top:48px;background:#F7F8FA;border-top:1px solid var(--border);font-size:14px}
.ft-in{max-width:calc(40em + 32px);margin:0 auto;padding:24px 16px 20px}
.ft-lead{display:flex;gap:10px;align-items:center;margin:0 0 16px;line-height:1.7}
.ft-lead img{flex:none;border-radius:50%;background:#fff}
.ft-h{margin:0 0 4px;font-size:13px;color:var(--text-sub)}
.ft-cats,.ft-links{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-wrap:wrap;gap:0 16px}
.ft-cats a,.ft-links a{display:inline-flex;align-items:center;min-height:36px;color:var(--ink)}
.ft-pr{font-size:12px;color:var(--text-sub);margin:0 0 8px}
.ft-c{margin:0;color:var(--text-sub);font-size:12px}

@media (min-width:768px){
  .post h1{font-size:28px}.prose h2{font-size:24px}.prose h3{font-size:20px}.prose h4{font-size:17px}
  .hero-h{font-size:28px}.hero-in>img{width:96px;height:96px}
  .hubs{grid-template-columns:repeat(3,1fr)}
  .pcards{grid-template-columns:1fr 1fr}
  .pcards.big{grid-template-columns:repeat(3,1fr)}
  .catbtns{grid-template-columns:repeat(3,1fr)}
  .logo img{height:23px}
  .ad{min-height:250px}
}
@media (min-width:1024px){body{font-size:17px}}
.todo{background:#FFD6D6!important;color:#8A0000;font-weight:bold;padding:0 4px}