/*
Theme Name: kurashi-saho
Theme URI: https://kurashi-saho.com/
Author: Antigravity AI
Author URI: https://kurashi-saho.com/
Description: 暮らしのマナー・作法ガイド専用テーマ（結論ファースト・3カラム視認性特化）
Version: 1.0.0
License: GNU General Public License v2 or later
Text Domain: kurashi-saho
*/

/* --------------------------------------------------
 * 1. 基本CSS・変数設定 (Design Tokens)
 * -------------------------------------------------- */
:root {
  --color-primary: #1e293b;       /* 深紺 */
  --color-secondary: #334155;     /* 藍色 */
  --color-accent-gold: #d97706;   /* 金茶 */
  --color-accent-red: #dc2626;    /* 朱赤 */
  --color-bg-light: #f8fafc;      /* 和紙風明るい背景 */
  --color-card-bg: #ffffff;
  --color-text-main: #0f172a;
  --color-text-sub: #475569;
  --color-border: #e2e8f0;

  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Hiragino Kaku Gothic ProN", "メイリオ", meiryo, sans-serif;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family-base);
  background-color: var(--color-bg-light);
  color: var(--color-text-main);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--color-accent-gold);
}

/* --------------------------------------------------
 * 2. 3カラムレイアウト構造 (Layout Engine)
 * -------------------------------------------------- */
.site-header {
  background: var(--color-primary);
  color: #fff;
  border-bottom: 4px solid var(--color-accent-gold);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.site-logo a {
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-logo span.badge {
  background: var(--color-accent-gold);
  color: #fff;
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-weight: 500;
}

/* 3Column Grid Container */
.site-wrapper {
  max-width: 1300px;
  margin: 1.5rem auto;
  padding: 0 1rem;
  display: grid;
  grid-template-columns: 240px 1fr 280px;
  gap: 1.5rem;
}

/* Left Sidebar (Category Nav) */
.left-sidebar {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem;
  height: fit-content;
  box-shadow: var(--shadow-sm);
}

.sidebar-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-bottom: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 2px solid var(--color-accent-gold);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.category-nav-list {
  list-style: none;
}

.category-nav-list li {
  margin-bottom: 0.5rem;
}

.category-nav-list a {
  display: flex;
  align-items: center;
  padding: 0.6rem 0.8rem;
  border-radius: 6px;
  font-weight: 500;
  color: var(--color-text-main);
  background: #f1f5f9;
  transition: all 0.2s ease;
}

.category-nav-list a:hover,
.category-nav-list a.active {
  background: var(--color-primary);
  color: #fff;
}

.category-nav-list span.icon {
  margin-right: 0.5rem;
}

/* Center Main Content */
.main-content {
  min-width: 0; /* Grid flex overflow fix */
}

/* Right Sidebar (Quick Info & Search) */
.right-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.widget-box {
  background: var(--color-card-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .site-wrapper {
    grid-template-columns: 220px 1fr;
  }
  .right-sidebar {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .site-wrapper {
    grid-template-columns: 1fr;
  }
  .left-sidebar, .right-sidebar {
    grid-column: span 1;
  }
}

/* --------------------------------------------------
 * 3. 結論ファースト・図解カードコンポーネント
 * -------------------------------------------------- */
/* 結論サマリーカード */
.summary-box {
  background: linear-gradient(135deg, #fef3c7 0%, #fffbeb 100%);
  border: 2px solid var(--color-accent-gold);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-sm);
}

.summary-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #92400e;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.summary-list {
  list-style: none;
}

.summary-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #78350f;
}

.summary-list li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--color-accent-gold);
  font-weight: bold;
}

/* ご祝儀袋・香典袋 イラスト図解カード */
.envelope-diagram-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-md);
}

.diagram-header {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  text-align: center;
  border-bottom: 1px dashed var(--color-border);
  padding-bottom: 0.5rem;
}

.envelope-visual-wrapper {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
}

/* のし袋イラスト描画 (CSS SVG Diagram) */
.noshi-envelope-graphic {
  width: 200px;
  height: 320px;
  background: #ffffff;
  border: 2px solid #cbd5e1;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
  border-radius: 4px;
}

/* 水引 (Mizuhiki) */
.mizuhiki-line {
  width: 100%;
  height: 12px;
  position: absolute;
  top: 130px;
  left: 0;
  background: linear-gradient(90deg, #dc2626 0%, #dc2626 48%, #ffffff 48%, #ffffff 52%, #b45309 52%, #b45309 100%);
  box-shadow: 0 2px 4px rgba(0,0,0,0.15);
}

.mizuhiki-line.condolence {
  background: linear-gradient(90deg, #1e293b 0%, #1e293b 48%, #ffffff 48%, #ffffff 52%, #94a3b8 52%, #94a3b8 100%);
}

.noshi-mark {
  position: absolute;
  top: 15px;
  right: 15px;
  width: 24px;
  height: 40px;
  background: #fef08a;
  border: 1px solid #d97706;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
}

.envelope-text-top {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.25rem;
  font-weight: bold;
  color: #1e293b;
  writing-mode: vertical-rl;
  letter-spacing: 4px;
  margin-top: 10px;
}

.envelope-text-bottom {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1rem;
  color: #334155;
  writing-mode: vertical-rl;
  letter-spacing: 2px;
  position: absolute;
  bottom: 25px;
}

.diagram-notes {
  flex: 1;
  min-width: 240px;
}

.diagram-notes ol {
  padding-left: 1.2rem;
}

.diagram-notes li {
  margin-bottom: 0.75rem;
  font-size: 0.95rem;
}

.diagram-notes li strong {
  color: var(--color-accent-red);
}

/* --------------------------------------------------
 * 4. 相場表 (Price Matrix Table)
 * -------------------------------------------------- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.price-table th, .price-table td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  text-align: center;
}

.price-table th {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
}

.price-table tr:nth-child(even) {
  background: #f8fafc;
}

.price-table td.highlight {
  font-weight: bold;
  color: var(--color-accent-gold);
  background: #fffbeb;
}

/* --------------------------------------------------
 * 5. チェックリスト (Checklist)
 * -------------------------------------------------- */
.manner-checklist {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 10px;
  padding: 1.25rem 1.5rem;
  margin: 1.5rem 0;
}

.checklist-title {
  font-weight: 700;
  color: #166534;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.manner-checklist label {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.5rem;
  cursor: pointer;
  font-size: 0.95rem;
  color: #14532d;
}

/* Footer */
.site-footer {
  background: var(--color-primary);
  color: #cbd5e1;
  text-align: center;
  padding: 2rem 1rem;
  margin-top: 3rem;
  border-top: 4px solid var(--color-accent-gold);
  font-size: 0.9rem;
}

/* --------------------------------------------------
 * 6. ふりがな・単語改行防止＆2段チェックリスト
 * -------------------------------------------------- */
.nobreak, .furigana, ruby, rt {
  white-space: nowrap;
  word-break: keep-all;
  display: inline-block;
}

.manner-checklist.prep-box {
  background: #eff6ff;
  border-color: #bfdbfe;
}
.manner-checklist.prep-box .checklist-title {
  color: #1e40af;
}

.manner-checklist.today-box {
  background: #fef2f2;
  border-color: #fecaca;
}
.manner-checklist.today-box .checklist-title {
  color: #991b1b;
}

ol.manner-steps > li {
  margin-bottom: 1.25rem;
}
ol.manner-steps > li strong {
  display: block;
  font-size: 1.05rem;
  margin-bottom: 0.35rem;
}