@charset "utf-8";

/* ================= スコープ済みスタイル(既存CSSと非干渉) ================= */
#koyaPage{
  --koya-ink:#2e2a24;
  --koya-ink-soft:#5c554b;
  --koya-paper:#faf8f3;
  --koya-paper-deep:#f1ece2;
  --koya-wood:#7a5a38;
  --koya-wood-light:#b3906a;
  --koya-moss:#55663f;
  --koya-line:#ddd4c5;
  font-family:"Noto Sans JP",sans-serif;
  color:var(--koya-ink);
  background:var(--koya-paper);
  line-height:1.9;
  font-size:16px;
  overflow-wrap:anywhere;
}
#koyaPage *,#koyaPage *::before,#koyaPage *::after{box-sizing:border-box;margin:0;padding:0}
#koyaPage img{max-width:100%;display:block}
#koyaPage a{color:var(--koya-wood);text-decoration:underline;text-underline-offset:3px}
#koyaPage a:hover{color:var(--koya-moss)}
#koyaPage .koya-serif{font-family:"Shippori Mincho","Noto Serif JP",serif}
#koyaPage .koya-wrap{max-width:1040px;margin:0 auto;padding:0 20px}

/* --- パンくず --- */
#koyaPage .koya-breadcrumb{font-size:12px;color:var(--koya-ink-soft);padding:16px 0}
#koyaPage .koya-breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:4px}
#koyaPage .koya-breadcrumb li+li::before{content:"›";margin:0 6px;color:var(--koya-line)}
#koyaPage .koya-breadcrumb a{color:var(--koya-ink-soft)}

/* --- ヒーロー --- */
#koyaPage .koya-hero{position:relative;padding:48px 0 64px;background:
  linear-gradient(180deg,var(--koya-paper) 0%,var(--koya-paper-deep) 100%)}
#koyaPage .koya-hero-inner{display:grid;grid-template-columns:auto 1fr;gap:32px;align-items:start}
#koyaPage .koya-hero-eyebrow{
  writing-mode:vertical-rl;font-family:"Shippori Mincho",serif;
  font-size:14px;letter-spacing:.35em;color:var(--koya-wood);
  border-left:1px solid var(--koya-wood-light);padding-left:14px;
  min-height:180px}
#koyaPage .koya-hero h1{
  font-family:"Shippori Mincho",serif;font-weight:700;
  font-size:clamp(26px,4.2vw,40px);line-height:1.5;letter-spacing:.06em}
#koyaPage .koya-hero h1 small{
  display:block;font-size:.45em;font-weight:600;color:var(--koya-moss);
  letter-spacing:.2em;margin-bottom:14px}
#koyaPage .koya-hero-lead{margin-top:22px;max-width:44em;color:var(--koya-ink-soft)}
#koyaPage .koya-hero-note{margin-top:14px;font-size:12px;color:var(--koya-ink-soft)}

/* --- FV写真 --- */
#koyaPage .koya-hero-fv{margin-top:34px}
#koyaPage .koya-hero-fv img{width:100%;height:auto;border-radius:14px;
  box-shadow:0 18px 40px rgba(46,42,36,.16)}
#koyaPage .koya-hero-fv figcaption{font-size:12px;color:var(--koya-ink-soft);
  margin-top:10px;text-align:right;letter-spacing:.05em}

/* --- 移設写真(比較表下) --- */
#koyaPage .koya-move-fig{margin-top:26px;display:grid;grid-template-columns:300px 1fr;
  gap:24px;align-items:center;background:#fff;border:1px solid var(--koya-line);
  border-radius:10px;padding:20px 24px}
#koyaPage .koya-move-fig img{width:100%;border-radius:8px}
#koyaPage .koya-move-fig figcaption{font-size:14px;color:var(--koya-ink-soft)}
#koyaPage .koya-move-fig figcaption strong{display:block;font-family:"Shippori Mincho",serif;
  font-size:16px;color:var(--koya-ink);margin-bottom:6px;letter-spacing:.04em}

/* --- シグネチャー:タイヤの有無スプリット --- */
#koyaPage .koya-split{margin:-34px auto 0;position:relative;z-index:2}
#koyaPage .koya-split-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--koya-line);border-radius:10px;overflow:hidden;
  background:#fff;box-shadow:0 12px 30px rgba(46,42,36,.08)}
#koyaPage .koya-split-col{padding:34px 30px 30px;position:relative}
#koyaPage .koya-split-col+.koya-split-col{border-left:1px dashed var(--koya-line)}
#koyaPage .koya-split-tag{display:inline-block;font-size:12px;font-weight:700;
  letter-spacing:.18em;padding:4px 12px;border-radius:999px;color:#fff;margin-bottom:14px}
#koyaPage .koya-split-col--koya .koya-split-tag{background:var(--koya-moss)}
#koyaPage .koya-split-col--trailer .koya-split-tag{background:var(--koya-wood)}
#koyaPage .koya-split-col h2{font-family:"Shippori Mincho",serif;font-size:22px;letter-spacing:.06em;margin-bottom:8px}
#koyaPage .koya-split-col p{font-size:14px;color:var(--koya-ink-soft)}
#koyaPage .koya-split-ground{margin-top:22px;height:64px;position:relative}
#koyaPage .koya-split-ground svg{width:100%;height:100%}

/* --- セクション共通 --- */
#koyaPage .koya-sec{padding:72px 0 0}
#koyaPage .koya-sec:last-of-type{padding-bottom:88px}
#koyaPage .koya-h2{
  font-family:"Shippori Mincho",serif;font-size:clamp(22px,3vw,30px);
  letter-spacing:.08em;line-height:1.6;margin-bottom:10px}
#koyaPage .koya-h2::before{
  content:"";display:block;width:34px;height:3px;background:var(--koya-wood);
  margin-bottom:16px;border-radius:2px}
#koyaPage .koya-sec-lead{color:var(--koya-ink-soft);max-width:46em;margin-bottom:34px}
#koyaPage .koya-h3{font-family:"Shippori Mincho",serif;font-size:19px;letter-spacing:.05em;margin-bottom:10px}

/* --- 比較テーブル --- */
#koyaPage .koya-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--koya-line);border-radius:10px;background:#fff}
#koyaPage table.koya-compare{width:100%;min-width:640px;border-collapse:collapse;font-size:14px}
#koyaPage table.koya-compare th,#koyaPage table.koya-compare td{
  padding:14px 16px;border-bottom:1px solid var(--koya-line);vertical-align:top;text-align:left}
#koyaPage table.koya-compare thead th{
  background:var(--koya-ink);color:#fff;font-weight:700;letter-spacing:.08em}
#koyaPage table.koya-compare thead th:nth-child(2){background:var(--koya-moss)}
#koyaPage table.koya-compare thead th:nth-child(3){background:var(--koya-wood)}
#koyaPage table.koya-compare tbody th{
  background:var(--koya-paper-deep);font-weight:700;white-space:nowrap;width:9em}
#koyaPage table.koya-compare tbody tr:last-child th,
#koyaPage table.koya-compare tbody tr:last-child td{border-bottom:0}
#koyaPage .koya-table-note{font-size:12px;color:var(--koya-ink-soft);margin-top:12px}

/* --- 活用シーンカード --- */
#koyaPage .koya-scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
#koyaPage .koya-scene{background:#fff;border:1px solid var(--koya-line);border-radius:10px;overflow:hidden;
  display:flex;flex-direction:column}
#koyaPage .koya-scene-img{aspect-ratio:16/9;background:var(--koya-paper-deep);overflow:hidden}
#koyaPage .koya-scene-img img{width:100%;height:100%;object-fit:cover;
  transition:transform .3s ease}
#koyaPage .koya-scene:hover .koya-scene-img img{transform:scale(1.03)}
#koyaPage .koya-scene-body{padding:22px 24px 26px;flex:1}
#koyaPage .koya-scene-body h3{font-family:"Shippori Mincho",serif;font-size:18px;margin-bottom:8px;letter-spacing:.04em}
#koyaPage .koya-scene-body p{font-size:14px;color:var(--koya-ink-soft)}
#koyaPage .koya-scene-badge{display:inline-block;font-size:11px;font-weight:700;color:var(--koya-moss);
  border:1px solid var(--koya-moss);border-radius:999px;padding:2px 10px;margin-bottom:10px;letter-spacing:.1em}

/* --- ログ小屋の強み --- */
#koyaPage .koya-strength{display:grid;grid-template-columns:1fr 1fr;gap:22px}
#koyaPage .koya-strength-item{background:#fff;border-top:3px solid var(--koya-wood);
  border-radius:0 0 10px 10px;padding:26px 26px 28px;box-shadow:0 4px 14px rgba(46,42,36,.05)}
#koyaPage .koya-strength-item .koya-en{font-size:11px;letter-spacing:.25em;color:var(--koya-wood-light);
  display:block;margin-bottom:6px}
#koyaPage .koya-strength-item p{font-size:14px;color:var(--koya-ink-soft)}

/* --- 事例 --- */
#koyaPage .koya-case{background:var(--koya-ink);color:#f4efe6;border-radius:12px;
  padding:clamp(28px,5vw,56px);position:relative;overflow:hidden}
#koyaPage .koya-case::after{content:"CASE";position:absolute;right:18px;top:8px;
  font-family:"Shippori Mincho",serif;font-size:80px;letter-spacing:.1em;color:rgba(255,255,255,.05)}
#koyaPage .koya-case .koya-h2{color:#fff}
#koyaPage .koya-case .koya-h2::before{background:var(--koya-wood-light)}
#koyaPage .koya-case p{color:#d8d0c1;font-size:15px;max-width:46em}
#koyaPage .koya-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:30px}
#koyaPage .koya-case-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:10px;padding:24px}
#koyaPage .koya-case-item h3{font-family:"Shippori Mincho",serif;font-size:18px;color:#fff;margin-bottom:8px}
#koyaPage .koya-case-item p{font-size:13.5px}
#koyaPage .koya-case-item .koya-case-num{font-family:"Shippori Mincho",serif;font-size:34px;color:var(--koya-wood-light);
  line-height:1;display:block;margin-bottom:10px}
#koyaPage .koya-case a{color:#e8caa4}
#koyaPage .koya-case-item img{width:100%;border-radius:8px;margin-bottom:16px;background:#fff}

/* --- IMAGOイラスト --- */
#koyaPage .koya-imago-illust{padding:26px 34px 0}
#koyaPage .koya-imago-illust img{width:100%;border-radius:10px;border:1px solid var(--koya-line)}
#koyaPage .koya-imago-illust figcaption{font-size:12px;color:var(--koya-ink-soft);margin-top:8px;text-align:right}

/* --- IMAGO / CTA --- */
#koyaPage .koya-imago{border:1px solid var(--koya-line);border-radius:12px;background:#fff;overflow:hidden}
#koyaPage .koya-imago-head{padding:34px 34px 0}
#koyaPage .koya-imago-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;padding:26px 34px 34px}
#koyaPage .koya-imago-card{border:1px solid var(--koya-line);border-radius:10px;padding:24px}
#koyaPage .koya-imago-card h3{font-family:"Shippori Mincho",serif;font-size:18px;margin-bottom:8px}
#koyaPage .koya-imago-card p{font-size:14px;color:var(--koya-ink-soft)}
#koyaPage .koya-imago-card .koya-type{font-size:11px;font-weight:700;letter-spacing:.2em;
  color:#fff;display:inline-block;border-radius:999px;padding:3px 12px;margin-bottom:12px}
#koyaPage .koya-imago-card--fix .koya-type{background:var(--koya-moss)}
#koyaPage .koya-imago-card--mob .koya-type{background:var(--koya-wood)}
#koyaPage .koya-cta{background:var(--koya-paper-deep);padding:30px 34px;text-align:center}
#koyaPage .koya-btn{display:inline-block;background:var(--koya-wood);color:#fff;text-decoration:none;
  font-weight:700;letter-spacing:.08em;padding:16px 42px;border-radius:999px;
  transition:transform .18s ease,background .18s ease}
#koyaPage .koya-btn:hover{background:var(--koya-moss);color:#fff;transform:translateY(-2px)}
#koyaPage .koya-cta small{display:block;margin-top:12px;font-size:12px;color:var(--koya-ink-soft)}

/* --- FAQ --- */
#koyaPage .koya-faq details{background:#fff;border:1px solid var(--koya-line);border-radius:10px;
  margin-bottom:14px;overflow:hidden}
#koyaPage .koya-faq summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;
  display:flex;gap:12px;align-items:baseline}
#koyaPage .koya-faq summary::-webkit-details-marker{display:none}
#koyaPage .koya-faq summary::before{content:"Q";font-family:"Shippori Mincho",serif;
  color:var(--koya-wood);font-size:20px;flex:none}
#koyaPage .koya-faq details[open] summary{border-bottom:1px dashed var(--koya-line)}
#koyaPage .koya-faq .koya-faq-a{padding:18px 22px;font-size:14px;color:var(--koya-ink-soft);
  display:flex;gap:12px}
#koyaPage .koya-faq .koya-faq-a::before{content:"A";font-family:"Shippori Mincho",serif;
  color:var(--koya-moss);font-size:20px;flex:none;line-height:1.4}

/* --- 関連記事 --- */
#koyaPage .koya-related ul{list-style:none;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
#koyaPage .koya-related li a{display:block;background:#fff;border:1px solid var(--koya-line);
  border-radius:8px;padding:16px 40px 16px 18px;font-size:14px;text-decoration:none;color:var(--koya-ink);
  position:relative;transition:border-color .18s ease}
#koyaPage .koya-related li a::after{content:"→";position:absolute;right:16px;top:50%;
  transform:translateY(-50%);color:var(--koya-wood)}
#koyaPage .koya-related li a:hover{border-color:var(--koya-wood)}

/* --- プレビュー用 仮ヘッダー/フッター(実装時削除) --- */
.koya-preview-header,.koya-preview-footer{background:#241f1a;color:#fff;
  font-family:"Noto Sans JP",sans-serif}
.koya-preview-header .koya-wrap,.koya-preview-footer .koya-wrap{
  max-width:1040px;margin:0 auto;padding:14px 20px;display:flex;align-items:center;gap:14px}
.koya-preview-header strong{font-family:"Shippori Mincho",serif;letter-spacing:.12em;font-size:18px}
.koya-preview-header span,.koya-preview-footer span{font-size:11px;color:#b9ad9c}
.koya-preview-footer .koya-wrap{justify-content:center;padding:22px 20px}

/* --- レスポンシブ --- */
@media (max-width:768px){
  #koyaPage{font-size:15px}
  #koyaPage .koya-hero-inner{grid-template-columns:1fr;gap:18px}
  #koyaPage .koya-hero-eyebrow{writing-mode:horizontal-tb;border-left:0;padding-left:0;
    border-bottom:1px solid var(--koya-wood-light);padding-bottom:8px;min-height:0;width:fit-content}
  #koyaPage .koya-split-grid,
  #koyaPage .koya-scene-grid,
  #koyaPage .koya-strength,
  #koyaPage .koya-case-grid,
  #koyaPage .koya-imago-grid,
  #koyaPage .koya-related ul{grid-template-columns:1fr}
  #koyaPage .koya-split-col+.koya-split-col{border-left:0;border-top:1px dashed var(--koya-line)}
  #koyaPage .koya-move-fig{grid-template-columns:1fr;padding:16px}
  #koyaPage .koya-imago-illust{padding:20px 22px 0}
  #koyaPage .koya-imago-head{padding:26px 22px 0}
  #koyaPage .koya-imago-grid{padding:20px 22px 26px}
  #koyaPage .koya-cta{padding:26px 22px}
}
@media (prefers-reduced-motion:reduce){
  #koyaPage .koya-btn{transition:none}
}