/* =========================================================
   迷える子羊たちの株ノート ── v3 プレミアム・エディトリアル
   ========================================================= */
:root{
  --cream:#fdf8ef;
  --cream-2:#f6eedd;
  --cream-3:#f1e6cf;
  --paper:#ffffff;
  --gold:#c89b3c;
  --gold-2:#e0b85c;
  --gold-d:#a87f23;
  --ink:#403c35;
  --ink-soft:#867d6f;
  --line:#ece3d3;
  --rakuten:#bf0000;
  --serif:'Noto Serif JP','Hiragino Mincho ProN','Yu Mincho',serif;
  --sans:'Noto Sans JP','Hiragino Kaku Gothic ProN','Meiryo',sans-serif;
  --maxw:780px;
  --shadow-card:0 2px 10px rgba(64,60,53,.05);
  --shadow-hover:0 16px 34px rgba(168,127,35,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.9;
  background:var(--cream);
  background-image:radial-gradient(circle at 50% -10%, #fffdf8, var(--cream) 60%);
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
}
a{color:var(--gold-d)}
img{max-width:100%}
.container{max-width:var(--maxw); margin:0 auto; padding:0 18px}

/* ===== Header ===== */
.site-header{position:sticky; top:0; z-index:50; background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px); border-bottom:1px solid var(--line)}
.header-inner{max-width:1040px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; gap:14px}
.brand{display:flex; align-items:center; gap:11px; text-decoration:none; color:var(--ink)}
.brand-mark{display:block; width:auto; height:46px; filter:drop-shadow(0 2px 3px rgba(168,127,35,.2))}
.brand-text{display:flex; flex-direction:column; line-height:1.25}
.brand-name{font-family:var(--serif); font-weight:900; font-size:1.32rem; letter-spacing:.03em}
.brand-tagline{font-size:.68rem; color:var(--ink-soft); letter-spacing:.06em}
.gnav{margin-left:auto; display:flex; gap:24px}
.gnav a{position:relative; text-decoration:none; color:var(--ink); font-weight:500; font-size:.9rem; padding:4px 0}
.gnav a::after{content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px;
  background:var(--gold); transform:scaleX(0); transform-origin:left; transition:transform .2s}
.gnav a:hover{color:var(--gold-d)} .gnav a:hover::after{transform:scaleX(1)}
.nav-btn{display:none; margin-left:auto; flex-direction:column; gap:5px; cursor:pointer; padding:8px}
.nav-btn span{display:block; width:24px; height:2px; background:var(--ink); border-radius:2px}

/* ===== Hero ===== */
.hero{background:linear-gradient(180deg,#fffdf8,var(--cream-2)); border-bottom:1px solid var(--line); overflow:hidden}
.hero-inner{max-width:var(--maxw); margin:0 auto; padding:54px 20px 46px; text-align:center; position:relative}
.hero-eyebrow{display:inline-block; font-size:.8rem; font-weight:700; color:var(--gold-d);
  background:#fff; border:1px solid #ecd9a8; border-radius:999px; padding:5px 16px; margin:0 0 18px;
  box-shadow:0 2px 8px rgba(168,127,35,.1)}
.hero-title{font-family:var(--serif); font-weight:900; font-size:2.1rem; line-height:1.55; margin:0; letter-spacing:.03em}
.hero-title em{font-style:normal; color:var(--gold-d);
  background:linear-gradient(transparent 60%, #ffe6a8 60%)}
.hero-lead{max-width:600px; margin:20px auto 0; font-size:.97rem; color:#5b554c}
.hero-meta{font-size:.74rem; color:var(--ink-soft); margin-top:18px; letter-spacing:.04em}
.hero-rule{width:54px; height:3px; margin:22px auto 0; border-radius:3px;
  background:linear-gradient(90deg,var(--gold-2),var(--gold-d))}

/* ===== Breadcrumb ===== */
.breadcrumb{font-size:.76rem; color:var(--ink-soft); padding:16px 2px}
.breadcrumb a{color:var(--ink-soft); text-decoration:none}
.breadcrumb span{margin:0 5px}

/* ===== 目次 (TOC) ===== */
.toc{background:var(--paper); border:1px solid var(--line); border-radius:14px;
  padding:18px 22px; margin:8px 0 34px; box-shadow:var(--shadow-card)}
.toc-title{font-family:var(--serif); font-weight:700; font-size:1rem; margin:0 0 12px; color:var(--ink);
  padding-left:12px; border-left:4px solid var(--gold); line-height:1.3}
.toc-list{list-style:none; margin:0; padding:0; display:grid; gap:8px}
.toc-list a{display:flex; align-items:baseline; gap:8px; text-decoration:none; color:var(--ink); font-size:.92rem}
.toc-list a:hover{color:var(--gold-d)}
.toc-list .num{font-family:var(--serif); font-weight:700; color:var(--gold-d); font-size:.85rem; min-width:1.4em}

/* ===== Section title ===== */
.section-title{position:relative; font-family:var(--serif); font-weight:700; font-size:1.5rem;
  padding:6px 0 14px 18px; margin:48px 0 26px; border-bottom:1px solid var(--line); scroll-margin-top:80px}
.section-title::before{content:""; position:absolute; left:0; top:6px; bottom:14px; width:6px;
  border-radius:4px; background:linear-gradient(180deg,var(--gold-2),var(--gold-d))}
.section-sub{font-size:.8rem; color:var(--ink-soft); font-weight:400; margin-left:8px}

/* ===== Personas（こんな人に） ===== */
.personas{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin:0 0 14px}
.persona{background:var(--paper); border:1px solid var(--line); border-top:3px solid var(--gold);
  border-radius:4px 4px 14px 14px; padding:20px 18px; box-shadow:var(--shadow-card)}
.persona-text{font-size:.88rem; line-height:1.8; margin:0}
.persona-text strong{color:var(--gold-d)}

/* ===== Lead box ===== */
.lead-box{position:relative; background:var(--paper); border:1px solid #efe2c4; border-radius:14px;
  padding:24px 26px; margin:8px 0 10px; font-size:.96rem; box-shadow:var(--shadow-card)}
.lead-box strong{color:var(--gold-d)}

/* ===== Ranking ===== */
.ranking{margin-top:6px}
.book{position:relative; display:grid; grid-template-columns:128px 1fr; gap:24px;
  padding:28px 26px; margin:22px 0; background:var(--paper);
  border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow-card);
  transition:transform .18s, box-shadow .18s}
.book:hover{transform:translateY(-3px); box-shadow:var(--shadow-hover)}
/* TOP3 強調 */
.book.is-top{border-color:#e7cf94}
.book.rank-1{border-color:var(--gold); box-shadow:0 4px 22px rgba(200,155,60,.2);
  background:linear-gradient(180deg,#fffdf6,#fff)}
.book.rank-1::after{content:"イチオシ"; position:absolute; top:14px; right:-4px;
  background:linear-gradient(90deg,var(--gold-2),var(--gold-d)); color:#fff; font-size:.7rem; font-weight:700;
  padding:4px 14px 4px 12px; border-radius:4px 0 0 4px; box-shadow:0 3px 8px rgba(168,127,35,.35); letter-spacing:.05em}
/* ランク章（メダル） */
.book-rank{position:absolute; top:-14px; left:-12px; z-index:2}
.rank-num{display:grid; place-items:center; width:44px; height:44px; border-radius:50%;
  font-family:var(--serif); font-weight:900; font-size:1.25rem; color:#fff; border:2px solid #fff;
  background:linear-gradient(145deg,#bfae8e,#8c7a55); box-shadow:0 5px 12px rgba(64,60,53,.3)}
.rank-1 .rank-num{background:linear-gradient(145deg,#f3cf6a,#bb8c20); width:50px; height:50px; font-size:1.4rem}
.rank-2 .rank-num{background:linear-gradient(145deg,#dcdce2,#a3a3ad)}
.rank-3 .rank-num{background:linear-gradient(145deg,#e0ab7d,#b07a44)}

.book-coverwrap{align-self:start; position:relative}
.book-cover{display:block; width:128px; height:auto; border-radius:4px;
  box-shadow:4px 6px 16px rgba(91,74,35,.3), 0 0 0 1px rgba(0,0,0,.05); background:#f3ede0}
.book-cover--ph{width:128px; height:182px; border-radius:4px; box-shadow:none; display:grid; place-items:center;
  text-align:center; padding:10px; line-height:1.4; font-family:var(--serif); font-weight:700; font-size:.78rem;
  color:#5b4a23; background:linear-gradient(160deg,#fde8c4,#f3d68a); border:1px solid #e6c879}
.book-body{min-width:0}
.book-tags{display:flex; flex-wrap:wrap; gap:6px; margin-bottom:7px}
.tag{font-size:.7rem; font-weight:700; color:var(--ink-soft); background:var(--cream-2);
  border:1px solid var(--line); border-radius:999px; padding:3px 11px}
.tag-gold{color:#fff; background:var(--gold); border-color:var(--gold)}
.book-title{font-family:var(--serif); font-weight:700; font-size:1.26rem; margin:.1em 0 .2em; color:var(--ink); line-height:1.5}
.book-author{font-size:.8rem; color:var(--ink-soft); margin:0 0 .7em}
.book-desc{font-size:.93rem; margin:.2em 0 .9em}
.book-points{margin:0 0 14px; padding-left:0; list-style:none}
.book-points li{position:relative; font-size:.85rem; color:#6a5f4a; padding:3px 0 3px 24px}
.book-points li::before{content:"✓"; position:absolute; left:3px; color:var(--gold-d); font-weight:900}
.book-price{display:inline-block; font-size:.82rem; font-weight:700; color:var(--gold-d);
  background:var(--cream); border:1px solid #efe2c4; border-radius:8px; padding:3px 11px; margin:0 0 13px}
.book-cta{display:flex; gap:10px; flex-wrap:wrap}

/* ===== Buttons ===== */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:6px; text-decoration:none;
  font-weight:700; font-size:.86rem; padding:10px 20px; border-radius:999px; transition:transform .15s, box-shadow .15s, filter .15s}
.btn:hover{transform:translateY(-2px)}
.btn-amazon{color:#3a2d00; background:linear-gradient(180deg,#ffd874,#ff9900); box-shadow:0 4px 12px rgba(255,153,0,.35)}
.btn-amazon:hover{filter:brightness(1.04); box-shadow:0 9px 18px rgba(255,153,0,.45)}
.btn-rakuten{color:#fff; background:linear-gradient(180deg,#e84a4a,var(--rakuten)); box-shadow:0 4px 12px rgba(191,0,0,.32)}
.btn-rakuten:hover{filter:brightness(1.05); box-shadow:0 9px 18px rgba(191,0,0,.42)}

/* ===== 比較表 ===== */
.compare-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:14px; box-shadow:var(--shadow-card)}
.compare{width:100%; border-collapse:collapse; background:var(--paper); font-size:.86rem; min-width:520px}
.compare th,.compare td{padding:12px 14px; text-align:left; border-bottom:1px solid var(--line)}
.compare thead th{background:var(--cream-2); font-family:var(--serif); font-weight:700; color:var(--ink); white-space:nowrap}
.compare tbody tr:last-child td{border-bottom:none}
.compare tbody tr:hover{background:#fffdf6}
.compare .c-rank{font-family:var(--serif); font-weight:900; color:var(--gold-d); text-align:center; width:46px}
.compare .c-title{font-weight:700; color:var(--ink)}
.compare .c-link a{color:var(--rakuten); text-decoration:none; font-weight:700; white-space:nowrap}

/* ===== 関連サイト（姉妹サイト） ===== */
.related-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
.related-card{display:block; text-decoration:none;
  background:var(--paper); border:1px solid var(--line); border-left:4px solid var(--gold);
  border-radius:4px 14px 14px 4px; padding:20px 22px;
  box-shadow:var(--shadow-card); transition:transform .18s, box-shadow .18s, border-color .18s}
.related-card:hover{transform:translateY(-3px); box-shadow:var(--shadow-hover)}
.related-body{display:flex; flex-direction:column; min-width:0}
.related-name{font-family:var(--serif); font-weight:700; font-size:1.12rem; color:var(--ink)}
.related-desc{font-size:.85rem; color:#6a5f4a; line-height:1.7; margin:4px 0 8px}
.related-go{font-size:.84rem; font-weight:700; color:var(--gold-d)}
.related-card:hover .related-go{text-decoration:underline}
@media(max-width:680px){.related-grid{grid-template-columns:1fr}}

/* ===== About / Closing ===== */
.about-box,.closing{background:var(--cream); border:1px solid #efe2c4; border-radius:14px; padding:10px 26px 24px; margin-top:30px}
.about-box .section-title,.closing .section-title{border-bottom:none; margin-bottom:6px}
.closing .closing-cta{margin-top:14px}

/* ===== Footer ===== */
.site-footer{background:var(--cream-2); border-top:3px solid var(--gold); margin-top:40px}
.footer-inner{max-width:var(--maxw); margin:0 auto; padding:32px 18px; text-align:center}
.footer-brand{font-family:var(--serif); font-weight:900; font-size:1.12rem; margin:0 0 12px;
  display:inline-flex; align-items:center; gap:8px}
.footer-mark{height:34px; width:auto}
.footer-nav{display:flex; justify-content:center; flex-wrap:wrap; gap:18px; margin-bottom:16px}
.footer-nav a{color:var(--gold-d); text-decoration:none; font-size:.85rem; font-weight:500}
.footer-note{font-size:.73rem; color:var(--ink-soft); line-height:1.7; margin:4px auto; max-width:580px}
.footer-copy{font-size:.73rem; color:var(--ink-soft); margin-top:14px}

/* ===== Responsive ===== */
@media(max-width:680px){
  .gnav{position:fixed; inset:56px 0 auto 0; flex-direction:column; gap:0; background:#fff;
    border-bottom:1px solid var(--line); padding:6px 20px 14px; transform:translateY(-130%); transition:transform .25s; box-shadow:0 8px 18px rgba(0,0,0,.06)}
  .nav-toggle:checked ~ .gnav{transform:translateY(0)}
  .gnav a{padding:11px 0; border-bottom:1px solid var(--line)} .gnav a::after{display:none}
  .nav-btn{display:flex}
  .hero-title{font-size:1.5rem}
  .personas{grid-template-columns:1fr}
  .book{grid-template-columns:92px 1fr; gap:16px; padding:22px 16px}
  .book-cover{width:92px} .book-cover--ph{width:92px; height:130px; font-size:.64rem}
  .rank-1 .rank-num{width:42px; height:42px; font-size:1.2rem}
  .section-title{font-size:1.28rem}
  .book.rank-1::after{display:none}
}