/* ===================================
   一般社団法人 全日本やせ我慢普及協会
   共通スタイルシート
   =================================== */

/* --- リセット・基本設定 --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --color-primary: #9b2c3c;
  --color-primary-dark: #6e1f2b;
  --color-accent: #b0a695;
  --color-accent-light: #d4cdc2;
  --color-bg: #f8f6f0;
  --color-bg-alt: #f0ece4;
  --color-text: #2d2a26;
  --color-text-light: #5a5650;
  --color-white: #ffffff;
  --color-border: #d8d3cb;
  --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;
  --max-width: 1100px;
  --header-height: 60px;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  min-height: 100vh;
}

a { color: var(--color-primary); text-decoration: none; transition: opacity 0.2s; }
a:hover { opacity: 0.7; }

img { max-width: 100%; height: auto; }

/* --- ヘッダー --- */
.site-header {
  background: var(--color-primary-dark);
  color: var(--color-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-logo {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
}

.site-logo small {
  display: block;
  font-size: 0.6rem;
  font-weight: 400;
  color: var(--color-accent-light);
  letter-spacing: 0.02em;
}

/* --- グローバルナビ --- */
.global-nav ul {
  display: flex;
  list-style: none;
  gap: 0;
}

.global-nav li a {
  display: block;
  padding: 0 14px;
  height: var(--header-height);
  line-height: var(--header-height);
  color: var(--color-white);
  font-size: 0.82rem;
  white-space: nowrap;
  border-bottom: 3px solid transparent;
  transition: border-color 0.2s, background 0.2s;
}

.global-nav li a:hover,
.global-nav li a.current {
  border-bottom-color: var(--color-accent);
  background: rgba(255,255,255,0.05);
  opacity: 1;
}

/* --- ハンバーガーメニュー --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  cursor: pointer;
  gap: 5px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  transition: transform 0.3s, opacity 0.3s;
}

.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- メインビジュアル --- */
.hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  text-align: center;
  padding: 80px 20px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  margin-bottom: 16px;
  position: relative;
  letter-spacing: 0.1em;
}

.hero .catchcopy {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-accent-light);
  position: relative;
  letter-spacing: 0.15em;
}

/* --- ページタイトル（下層ページ） --- */
.page-title-area {
  background: var(--color-primary-dark);
  color: var(--color-white);
  padding: 36px 20px;
  text-align: center;
}

.page-title-area h1 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
}

.page-title-area .breadcrumb {
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--color-accent-light);
}

.page-title-area .breadcrumb a { color: var(--color-accent-light); }

/* --- コンテンツエリア --- */
.content-wrapper {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 40px;
}

.main-content { min-width: 0; }

/* --- サイドバー --- */
.sidebar { display: flex; flex-direction: column; gap: 24px; }

.sidebar-box {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  overflow: hidden;
}

.sidebar-box h3 {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.82rem;
  padding: 10px 14px;
  font-family: var(--font-serif);
}

.sidebar-box .box-content { padding: 14px; font-size: 0.85rem; line-height: 1.7; }
.sidebar-box .box-content ul { list-style: none; }
.sidebar-box .box-content li { padding: 6px 0; border-bottom: 1px dotted var(--color-border); }
.sidebar-box .box-content li:last-child { border-bottom: none; }

.sidebar-banner {
  display: block;
  background: var(--color-primary);
  color: var(--color-white);
  text-align: center;
  padding: 20px 14px;
  border-radius: 4px;
  font-family: var(--font-serif);
  font-size: 0.9rem;
  line-height: 1.6;
  transition: background 0.2s;
}

.sidebar-banner:hover { background: var(--color-primary-dark); opacity: 1; }
.sidebar-banner small { display: block; font-size: 0.72rem; margin-top: 6px; color: var(--color-accent-light); }

/* --- カード --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 24px 0;
}

.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 20px;
  transition: box-shadow 0.2s;
}

.card:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }

.card h3 {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--color-primary);
  margin-bottom: 8px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

.card p { font-size: 0.85rem; color: var(--color-text-light); }

/* --- お知らせ一覧 --- */
.news-list { list-style: none; }

.news-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  gap: 16px;
  align-items: baseline;
}

.news-list .date {
  font-size: 0.8rem;
  color: var(--color-text-light);
  white-space: nowrap;
  min-width: 90px;
}

.news-list .tag {
  font-size: 0.7rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 2px 8px;
  border-radius: 2px;
  white-space: nowrap;
}

.news-list .title { font-size: 0.88rem; }

/* --- セクション見出し --- */
.section-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-primary);
}

.section-title-sub {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--color-primary);
  margin: 24px 0 12px;
  padding-left: 12px;
  border-left: 3px solid var(--color-primary);
}

/* --- テーブル --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.88rem;
}

.data-table th, .data-table td {
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  text-align: left;
}

.data-table th {
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.82rem;
}

.data-table tr:nth-child(even) { background: var(--color-bg-alt); }

/* --- ボタン --- */
.btn {
  display: inline-block;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 24px;
  border-radius: 3px;
  font-size: 0.88rem;
  transition: background 0.2s;
}

.btn:hover { background: var(--color-primary-dark); opacity: 1; }

/* --- フッター --- */
.site-footer {
  background: var(--color-primary-dark);
  color: var(--color-accent-light);
  margin-top: 60px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.footer-col h4 {
  font-size: 0.82rem;
  color: var(--color-white);
  margin-bottom: 12px;
  font-family: var(--font-serif);
}

.footer-col ul { list-style: none; }
.footer-col li { font-size: 0.75rem; padding: 3px 0; }
.footer-col a { color: var(--color-accent-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  padding: 16px 20px;
  font-size: 0.72rem;
  color: var(--color-accent);
}

/* --- 関連団体バナー --- */
.related-orgs {
  background: var(--color-bg-alt);
  padding: 30px 20px;
  text-align: center;
}

.related-orgs h3 {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.related-orgs-list {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}

/* --- 本文スタイル --- */
.prose { line-height: 2; }
.prose p { margin-bottom: 1.2em; font-size: 0.92rem; }
.prose h2 { font-family: var(--font-serif); font-size: 1.2rem; color: var(--color-primary-dark); margin: 2em 0 0.8em; padding-bottom: 6px; border-bottom: 1px solid var(--color-border); }
.prose h3 { font-family: var(--font-serif); font-size: 1rem; color: var(--color-primary); margin: 1.5em 0 0.6em; }
.prose ul, .prose ol { margin: 1em 0 1em 1.5em; font-size: 0.92rem; }
.prose li { margin-bottom: 0.4em; }

/* --- J-GAMAN認証マーク --- */
.j-gaman-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--color-accent);
  background: var(--color-primary-dark);
  color: var(--color-white);
  font-family: var(--font-serif);
  font-size: 0.6rem;
  text-align: center;
  line-height: 1.3;
}

/* ===================================
   レスポンシブ対応
   =================================== */

/* タブレット（900px以下） */
@media (max-width: 900px) {
  .global-nav { display: none; }
  .hamburger { display: flex; }

  .global-nav.open {
    display: block;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-primary-dark);
    border-top: 1px solid rgba(255,255,255,0.1);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  }

  .global-nav.open ul {
    flex-direction: column;
  }

  .global-nav.open li a {
    height: auto;
    line-height: 1.5;
    padding: 14px 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    border-left: 3px solid transparent;
  }

  .global-nav.open li a:hover {
    border-bottom-color: rgba(255,255,255,0.05);
    border-left-color: var(--color-accent);
  }

  .content-wrapper {
    grid-template-columns: 1fr;
    padding: 30px 16px;
    gap: 30px;
  }

  .card-grid { grid-template-columns: repeat(2, 1fr); }

  .footer-inner { grid-template-columns: repeat(2, 1fr); }

  .hero { padding: 60px 20px; }
  .hero h1 { font-size: 1.8rem; }
}

/* スマートフォン（600px以下） */
@media (max-width: 600px) {
  :root { --header-height: 54px; }

  .site-logo { font-size: 0.9rem; }
  .site-logo small { font-size: 0.55rem; }

  .hero { padding: 44px 16px; }
  .hero h1 { font-size: 1.4rem; letter-spacing: 0.05em; }
  .hero .catchcopy { font-size: 0.9rem; }

  .page-title-area { padding: 24px 16px; }
  .page-title-area h1 { font-size: 1.2rem; }

  .content-wrapper { padding: 20px 12px; gap: 24px; }

  .card-grid { grid-template-columns: 1fr; }

  .news-list li { flex-direction: column; gap: 4px; }

  .section-title { font-size: 1.1rem; }

  .footer-inner { grid-template-columns: 1fr; gap: 20px; }

  .data-table { display: block; overflow-x: auto; white-space: nowrap; }

  .related-orgs-list { flex-direction: column; gap: 8px; }
}