/* ========================================================================
   グループ「知覚グループ」(Perception Groups)
   #perception-page にスコープして大域CSS漏れを防ぐ
   ※ html { font-size: 62.5% } 前提で 1rem = 10px
   ======================================================================== */

#perception-page {
    --pg-text: #333333;
    --pg-heading: #2c3e50;
    --pg-muted: #7f8c8d;
    --pg-border: #e0e4ea;
    --pg-bg: #ffffff;
    --pg-bg-soft: #f7f8fa;
    --pg-bg-cream: #fbf7e9;
    --pg-callout-border: #d4b94a;
    --pg-link: #1a3c6e;
    --pg-link-hover: #2c5594;
    --pg-accent-associative: #7e5990;
    --pg-accent-associative-soft: #f0eaf5;
    --pg-accent-associative-dark: #523864;
    --pg-accent-commutative: #c4673e;
    --pg-accent-commutative-soft: #faece2;
    --pg-accent-commutative-dark: #7a3f23;
    --pg-accent-distributive: #4a6f4f;
    --pg-accent-distributive-soft: #e8f0e9;
    --pg-accent-distributive-dark: #2c4530;
    --pg-accent-dissociative: #2d4a6f;
    --pg-accent-dissociative-soft: #e3ebf3;
    --pg-accent-dissociative-dark: #1a2e4a;
    --pg-serif: 'Shippori Mincho', "游明朝", "Yu Mincho", "Hiragino Mincho ProN", serif;
    --pg-sans: 'Noto Sans JP', "Hiragino Kaku Gothic ProN", -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--pg-bg);
    color: var(--pg-text);
    font-family: var(--pg-sans);
    font-weight: 400;
    font-size: 1.5rem;
    line-height: 1.85;
    letter-spacing: 0.02em;
}

/* --- 大域漏れリセット(socionics.or.jp の body / section / h1-h6 / .center 等を打ち消す) --- */
#perception-page * { margin: 0; padding: 0; box-sizing: border-box; }
#perception-page section { background: transparent; padding: 4.8rem 0 4rem; margin: 0; text-align: left; }
#perception-page .center { text-align: inherit; }
#perception-page a { color: var(--pg-link); text-decoration: none; }
#perception-page a:hover { color: var(--pg-link-hover); }
#perception-page img { max-width: 100%; display: block; }
#perception-page ul, #perception-page ol { list-style: revert; }

/* --- container / hero --- */
#perception-page .container { max-width: 110rem; margin: 0 auto; padding: 0 3.2rem; }
#perception-page .hero { padding: 5.6rem 0 3.2rem; text-align: center; }
#perception-page .hero-image { margin: 0 auto 3.2rem; max-width: 80rem; border-radius: 0.4rem; overflow: hidden; aspect-ratio: 16 / 9; background-position: center; background-size: cover; background-repeat: no-repeat; position: relative; box-shadow: 0 0.2rem 2.4rem rgba(0,0,0,0.10); }
#perception-page .hero-eyebrow { font-size: 1.3rem; color: var(--pg-accent, var(--pg-heading)); letter-spacing: 0.18em; margin-bottom: 1.2rem; font-weight: 500; }
#perception-page .hero h1 { font-family: var(--pg-serif); font-weight: 500; font-size: 4.4rem; color: var(--pg-heading); margin-bottom: 0.8rem; letter-spacing: 0.04em; line-height: 1.3; }
#perception-page .hero h1 .academic { display: block; font-size: 1.8rem; color: var(--pg-muted); font-weight: 400; margin-top: 0.8rem; letter-spacing: 0.05em; }
#perception-page .hero-subtitle { font-family: var(--pg-serif); font-size: 1.9rem; color: var(--pg-accent-dark, var(--pg-heading)); line-height: 1.7; margin-bottom: 2.4rem; font-weight: 500; }
#perception-page .hero-meta { display: flex; justify-content: center; gap: 3.2rem; flex-wrap: wrap; padding: 2rem 0; border-top: 1px solid var(--pg-border); border-bottom: 1px solid var(--pg-border); margin-top: 2.4rem; }
#perception-page .hero-meta-item { text-align: center; }
#perception-page .hero-meta-label { font-size: 1.1rem; color: var(--pg-accent, var(--pg-heading)); letter-spacing: 0.15em; font-weight: 600; margin-bottom: 0.4rem; }
#perception-page .hero-meta-value { font-size: 1.4rem; color: var(--pg-text); font-weight: 500; }

/* --- section headings --- */
#perception-page section h2 { font-family: var(--pg-serif); font-size: 2.2rem; font-weight: 500; color: var(--pg-heading); margin-bottom: 2.4rem; letter-spacing: 0.04em; padding-bottom: 0.8rem; border-bottom: 1px solid var(--pg-border); }
#perception-page section h2 .num { margin-right: 0.8rem; color: var(--pg-accent, var(--pg-heading)); }
#perception-page section h3 { font-family: var(--pg-serif); font-size: 1.7rem; font-weight: 500; color: var(--pg-accent-dark, var(--pg-heading)); margin: 2.4rem 0 1.2rem; letter-spacing: 0.03em; }
#perception-page section p { margin-bottom: 1.8rem; line-height: 1.95; }
#perception-page section p strong { color: var(--pg-accent-dark, var(--pg-heading)); font-weight: 700; }
#perception-page section ul, #perception-page section ol { margin: 1.6rem 0 2rem 2.4rem; }
#perception-page section li { margin-bottom: 0.8rem; line-height: 1.85; }

/* 詳細ページ用 accent 強調された h2 underline */
#perception-page.detail-style section h2 { border-bottom: 2px solid var(--pg-accent, var(--pg-heading)); }

/* --- callouts / notes / quote / math-formula --- */
#perception-page .callout { background: var(--pg-accent-soft, var(--pg-bg-cream)); border-left: 3px solid var(--pg-accent, var(--pg-callout-border)); padding: 1.6rem 2.4rem; margin: 2rem 0; line-height: 1.85; }
#perception-page .callout strong { color: var(--pg-accent-dark, var(--pg-heading)); font-weight: 700; }
#perception-page .note { background: var(--pg-bg-soft); border-left: 3px solid var(--pg-link); padding: 1.4rem 2.2rem; margin: 2rem 0; font-size: 1.4rem; line-height: 1.8; color: var(--pg-muted); }
#perception-page .note strong { color: var(--pg-heading); }
#perception-page .math-formula { background: var(--pg-accent-soft, var(--pg-bg-soft)); padding: 1.4rem 2.4rem; margin: 1.6rem 0; font-family: 'Cambria Math', 'Times New Roman', serif; font-size: 1.9rem; text-align: center; border-radius: 0.4rem; color: var(--pg-accent-dark, var(--pg-heading)); letter-spacing: 0.05em; border: 1px solid var(--pg-accent, var(--pg-border)); }
#perception-page .gulenko-quote { background: var(--pg-bg-soft); border-left: 4px solid var(--pg-accent, var(--pg-heading)); padding: 2rem 2.8rem; margin: 2.4rem 0; font-family: var(--pg-serif); font-size: 1.45rem; line-height: 2; color: var(--pg-text); }
#perception-page .gulenko-quote .source { font-size: 1.2rem; color: var(--pg-muted); margin-top: 1.2rem; padding-top: 1rem; border-top: 1px dashed var(--pg-border); font-family: var(--pg-sans); }
#perception-page .health-callout { padding: 2rem 2.8rem; margin: 2.4rem 0; line-height: 1.85; border-left: 4px solid var(--pg-heading); background: var(--pg-bg-soft); }
#perception-page .health-callout h4 { font-family: var(--pg-serif); font-size: 1.6rem; margin-bottom: 1rem; margin-top: 1.2rem; }
#perception-page .health-callout h4:first-child { margin-top: 0; }

/* --- 4スタイルカード (概論) --- */
#perception-page .style-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; margin: 2.8rem 0; }
#perception-page .style-card { background: var(--pg-bg); border-radius: 0.6rem; overflow: hidden; transition: all 0.2s; text-decoration: none; color: inherit; border: 1px solid var(--pg-border); }
#perception-page .style-card:hover { transform: translateY(-3px); box-shadow: 0 0.6rem 2rem rgba(0,0,0,0.08); }
#perception-page .style-card-header { padding: 2rem 2.4rem; color: white; position: relative; }
#perception-page .style-card-symbol { position: absolute; top: 1.6rem; right: 2rem; font-family: 'Cambria Math','Times New Roman',serif; font-size: 3.2rem; font-weight: 400; opacity: 0.30; line-height: 1; }
#perception-page .style-card-name { font-family: var(--pg-serif); font-size: 2.4rem; font-weight: 600; margin-bottom: 0.6rem; letter-spacing: 0.04em; color: white; }
#perception-page .style-card-en { font-size: 1.2rem; opacity: 0.85; letter-spacing: 0.06em; }
#perception-page .style-card-body { padding: 1.8rem 2.4rem; font-size: 1.35rem; line-height: 1.8; }
#perception-page .style-card-axis { font-size: 1.1rem; color: var(--pg-muted); letter-spacing: 0.1em; margin-bottom: 0.8rem; font-weight: 600; }
#perception-page .style-card-catch { font-family: var(--pg-serif); font-size: 1.5rem; color: var(--pg-heading); margin-bottom: 1.2rem; line-height: 1.55; }
#perception-page .style-card-associative .style-card-header { background: linear-gradient(135deg, var(--pg-accent-associative), var(--pg-accent-associative-dark)); }
#perception-page .style-card-commutative .style-card-header { background: linear-gradient(135deg, var(--pg-accent-commutative), var(--pg-accent-commutative-dark)); }
#perception-page .style-card-distributive .style-card-header { background: linear-gradient(135deg, var(--pg-accent-distributive), var(--pg-accent-distributive-dark)); }
#perception-page .style-card-dissociative .style-card-header { background: linear-gradient(135deg, var(--pg-accent-dissociative), var(--pg-accent-dissociative-dark)); }

/* --- tables --- */
#perception-page table { width: 100%; border-collapse: collapse; margin: 2rem 0; font-size: 1.4rem; }
#perception-page table th, #perception-page table td { padding: 1.2rem 1.6rem; text-align: left; border: 1px solid var(--pg-border); vertical-align: top; line-height: 1.7; }
#perception-page table th { background: var(--pg-bg-soft); font-weight: 500; color: var(--pg-heading); font-size: 1.3rem; }
#perception-page table td strong { color: var(--pg-accent-dark, var(--pg-heading)); }

/* 詳細ページ: アクセント色付きテーブルヘッダ */
#perception-page.detail-style table th { background: var(--pg-accent-soft); color: var(--pg-accent-dark); }

/* --- Gulenko 2×2 --- */
#perception-page table.gulenko-2x2 { table-layout: fixed; margin: 2.4rem 0; }
#perception-page table.gulenko-2x2 th, #perception-page table.gulenko-2x2 td { vertical-align: middle; text-align: center; padding: 1.8rem 1.6rem; }
#perception-page table.gulenko-2x2 thead th { background: var(--pg-bg-soft); font-size: 1.4rem; padding: 1.4rem; }
#perception-page table.gulenko-2x2 thead th:first-child { background: transparent; border: none; }
#perception-page table.gulenko-2x2 .head-row { background: var(--pg-bg-soft); writing-mode: vertical-rl; text-orientation: mixed; letter-spacing: 0.1em; padding: 1.4rem 0.8rem; font-size: 1.4rem; width: 5.6rem; }
#perception-page table.gulenko-2x2 td { width: 38%; }
#perception-page table.gulenko-2x2 .cell-name { font-family: var(--pg-serif); font-size: 2.2rem; font-weight: 600; margin-bottom: 0.4rem; }
#perception-page table.gulenko-2x2 .cell-en { font-size: 1.1rem; color: var(--pg-muted); margin-bottom: 0.4rem; letter-spacing: 0.04em; }
#perception-page table.gulenko-2x2 .cell-symbol { font-family: 'Cambria Math','Times New Roman',serif; font-size: 2.2rem; margin: 0.8rem 0; line-height: 1; }
#perception-page table.gulenko-2x2 .cell-types { font-size: 1.15rem; color: var(--pg-text); line-height: 1.85; font-family: 'Courier New', monospace; }
#perception-page table.gulenko-2x2 .cell-associative { background: var(--pg-accent-associative-soft); border: 2px solid var(--pg-accent-associative); }
#perception-page table.gulenko-2x2 .cell-associative .cell-name { color: var(--pg-accent-associative-dark); }
#perception-page table.gulenko-2x2 .cell-commutative { background: var(--pg-accent-commutative-soft); border: 2px solid var(--pg-accent-commutative); }
#perception-page table.gulenko-2x2 .cell-commutative .cell-name { color: var(--pg-accent-commutative-dark); }
#perception-page table.gulenko-2x2 .cell-distributive { background: var(--pg-accent-distributive-soft); border: 2px solid var(--pg-accent-distributive); }
#perception-page table.gulenko-2x2 .cell-distributive .cell-name { color: var(--pg-accent-distributive-dark); }
#perception-page table.gulenko-2x2 .cell-dissociative { background: var(--pg-accent-dissociative-soft); border: 2px solid var(--pg-accent-dissociative); }
#perception-page table.gulenko-2x2 .cell-dissociative .cell-name { color: var(--pg-accent-dissociative-dark); }

/* --- Full type grid / Quadra grid --- */
#perception-page table.full-grid th { font-size: 1.15rem; padding: 0.8rem 1rem; }
#perception-page table.full-grid td { padding: 0.8rem 1rem; font-size: 1.2rem; line-height: 1.5; text-align: center; }
#perception-page table.full-grid .qcell { background: #f3f7fc; }
#perception-page table.full-grid .dcell { background: #f9f5ee; }
#perception-page table.quadra-grid th { padding: 1.2rem 0.8rem; text-align: center; vertical-align: middle; }
#perception-page table.quadra-grid td { padding: 1rem 0.8rem; text-align: center; vertical-align: middle; line-height: 1.5; }
#perception-page table.quadra-grid .quad-label { font-family: var(--pg-serif); font-size: 1.6rem; padding: 1.4rem 1rem; vertical-align: middle; }
#perception-page table.quadra-grid .quad-label.qpos { background: #f5f0e1; color: var(--pg-heading); }
#perception-page table.quadra-grid .quad-label.qneg { background: #e8e4d6; color: var(--pg-muted); font-style: italic; }
#perception-page table.quadra-grid .type-cell { font-family: 'Courier New', monospace; font-size: 1.2rem; }
#perception-page table.quadra-grid .type-cell strong { font-size: 1.3rem; color: var(--pg-heading); }

/* --- 4-style relations matrix (概論) --- */
#perception-page .relations-matrix { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.2rem; margin: 2.4rem 0; background: var(--pg-border); }
#perception-page .rel-cell { background: var(--pg-bg); padding: 1.4rem 1rem; text-align: center; min-height: 8rem; display: flex; flex-direction: column; justify-content: center; font-size: 1.2rem; line-height: 1.5; }
#perception-page .rel-cell.header { background: var(--pg-bg-soft); font-weight: 600; font-family: var(--pg-serif); font-size: 1.3rem; }
#perception-page .rel-cell.same { background: #fef9e6; }
#perception-page .rel-cell.dual { background: #e8f0e6; }
#perception-page .rel-cell.mirror { background: #eef1f7; }
#perception-page .rel-cell.adj { background: #eef1f7; }
#perception-page .rel-cell.diag { background: #f7eef2; }
#perception-page .rel-label { font-family: var(--pg-serif); font-size: 1.3rem; color: var(--pg-heading); margin-bottom: 0.4rem; }
#perception-page .rel-detail { font-size: 1.1rem; color: var(--pg-muted); }

/* --- 詳細ページリンク (概論末尾) --- */
#perception-page .detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.6rem; margin: 2.4rem 0; }
#perception-page .detail-link { display: block; padding: 1.8rem 1.6rem; border: 1px solid var(--pg-border); border-radius: 0.6rem; text-decoration: none; transition: all 0.2s; text-align: center; }
#perception-page .detail-link:hover { transform: translateY(-2px); box-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.06); }
#perception-page .detail-link-name { font-family: var(--pg-serif); font-size: 1.7rem; color: var(--pg-heading); margin-bottom: 0.4rem; font-weight: 600; }
#perception-page .detail-link-en { font-size: 1.1rem; color: var(--pg-muted); letter-spacing: 0.08em; margin-bottom: 0.6rem; }
#perception-page .detail-link-axis { font-size: 1.1rem; color: var(--pg-muted); }
#perception-page .detail-link.associative { border-color: var(--pg-accent-associative); }
#perception-page .detail-link.commutative { border-color: var(--pg-accent-commutative); }
#perception-page .detail-link.distributive { border-color: var(--pg-accent-distributive); }
#perception-page .detail-link.dissociative { border-color: var(--pg-accent-dissociative); }

/* --- 詳細ページ:type-grid (8タイプ) --- */
#perception-page .type-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.2rem; margin: 2.4rem 0; }
#perception-page .type-card { padding: 1.4rem 1.2rem; border: 1px solid var(--pg-border); border-radius: 0.6rem; text-align: center; text-decoration: none; color: inherit; transition: all 0.2s; background: var(--pg-bg); display: block; }
#perception-page .type-card:hover { transform: translateY(-2px); box-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.06); border-color: var(--pg-accent, var(--pg-heading)); }
#perception-page .type-card-code { font-family: 'Courier New', monospace; font-size: 1.4rem; font-weight: 700; color: var(--pg-accent-dark, var(--pg-heading)); margin-bottom: 0.4rem; }
#perception-page .type-card-name { font-family: var(--pg-serif); font-size: 1.3rem; color: var(--pg-text); }
#perception-page .type-card.qtype { background: linear-gradient(135deg, var(--pg-bg) 0%, #f5faff 100%); }
#perception-page .type-card.dtype { background: linear-gradient(135deg, var(--pg-bg) 0%, #faf6ef 100%); }

/* --- 詳細ページ:phase-grid (4局面) --- */
#perception-page .phase-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.6rem; margin: 2.4rem 0; }
#perception-page .phase-card { background: var(--pg-bg); border: 1px solid var(--pg-border); border-left: 4px solid var(--pg-accent, var(--pg-heading)); padding: 1.8rem 2.2rem; border-radius: 0.4rem; }
#perception-page .phase-card h4 { font-family: var(--pg-serif); font-size: 1.5rem; color: var(--pg-accent-dark, var(--pg-heading)); margin-bottom: 0.8rem; font-weight: 600; }
#perception-page .phase-card p { font-size: 1.35rem; line-height: 1.8; margin-bottom: 0; }

/* --- 命名表 --- */
#perception-page .naming-table { width: 100%; }
#perception-page .naming-table td:first-child { width: 25%; font-weight: 600; color: var(--pg-accent-dark, var(--pg-heading)); }
#perception-page .naming-table td { padding: 1.4rem 1.8rem; }

/* --- 双対表 --- */
#perception-page .dual-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.2rem; margin: 2rem 0; }
#perception-page .dual-pair { background: var(--pg-bg); border: 1px solid var(--pg-border); padding: 1.2rem 1.6rem; border-radius: 0.4rem; font-size: 1.3rem; text-align: center; }
#perception-page .dual-pair .self { color: var(--pg-accent-dark, var(--pg-heading)); font-weight: 600; }
#perception-page .dual-pair .partner { color: var(--pg-heading); font-weight: 600; }
#perception-page .dual-pair .arrow { margin: 0 0.8rem; color: var(--pg-muted); }

/* --- 関連ページ (詳細ページ) --- */
#perception-page .related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.4rem; margin: 2rem 0; }
#perception-page .related-link { padding: 1.6rem 1.8rem; border: 1px solid var(--pg-border); border-radius: 0.4rem; transition: all 0.2s; display: block; text-decoration: none; }
#perception-page .related-link:hover { background: var(--pg-bg-soft); border-color: var(--pg-accent, var(--pg-heading)); }
#perception-page .related-link-title { font-family: var(--pg-serif); font-size: 1.5rem; color: var(--pg-accent-dark, var(--pg-heading)); margin-bottom: 0.4rem; font-weight: 600; }
#perception-page .related-link-desc { font-size: 1.25rem; color: var(--pg-muted); }

/* --- References --- */
#perception-page .references { background: var(--pg-bg-soft); padding: 2.4rem 2.8rem; margin-top: 2.4rem; border-radius: 0.6rem; font-size: 1.3rem; line-height: 1.85; }
#perception-page .references h3 { font-size: 1.4rem; margin-bottom: 1.2rem; color: var(--pg-accent-dark, var(--pg-heading)); }
#perception-page .references ul { columns: 2; column-gap: 3.2rem; margin-left: 1.8rem; }
#perception-page .references li { break-inside: avoid; }

@media (max-width: 900px) {
    #perception-page .container { padding: 0 2rem; }
    #perception-page .hero h1 { font-size: 3rem; }
    #perception-page .hero-meta { gap: 1.8rem; }
    #perception-page .style-cards { grid-template-columns: 1fr; }
    #perception-page .relations-matrix { grid-template-columns: 1fr; }
    #perception-page .detail-grid { grid-template-columns: repeat(2, 1fr); }
    #perception-page .references ul { columns: 1; }
    #perception-page table.gulenko-2x2 .cell-name { font-size: 1.6rem; }
    #perception-page table.gulenko-2x2 .cell-types { font-size: 1.0rem; }
    #perception-page table.gulenko-2x2 th, #perception-page table.gulenko-2x2 td { padding: 1rem 0.6rem; }
    #perception-page .type-grid { grid-template-columns: repeat(2, 1fr); }
    #perception-page .phase-grid { grid-template-columns: 1fr; }
    #perception-page .dual-list { grid-template-columns: 1fr; }
    #perception-page .related-grid { grid-template-columns: 1fr; }
}