@charset "UTF-8";

/* 変数設定 */
:root {
  --primary-blue: #1f7ea7;
  --light-blue: #3399CC;
  --text-main: #333333;
  --bg-gray: #f4f7f8;
}

/* リセット＆基本設定 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Helvetica Neue', Arial, 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', Meiryo, sans-serif;
  line-height: 1.6;
  color: var(--text-main);
  background-color: var(--bg-gray);
}
a { text-decoration: none; color: var(--primary-blue); transition: opacity 0.3s; }
a:hover { opacity: 0.7; }
ul { list-style: none; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* ヘッダー */
.site-header { background: #ffffff; padding: 20px 0; border-top: 4px solid var(--primary-blue); }
.header-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; }

/* ロゴと社名を並べるCSS */
.header-logo-title { display: flex; align-items: center; }
.site-logo { height: 50px; width: auto; margin-right: 15px; } /* ロゴ画像のサイズ調整 */
.site-title { font-size: 1.5rem; font-weight: bold; }
.site-title a { color: var(--text-main); }

.tagline-concept { text-align: right; }
.tagline { font-size: 0.9rem; color: #666; margin-bottom: 5px; }
.concept-words { font-weight: bold; color: var(--primary-blue); letter-spacing: 1px; }

/* ナビゲーション */
.global-nav { background: var(--primary-blue); }
.global-nav ul { display: flex; justify-content: center; flex-wrap: wrap; }
.global-nav a { display: block; padding: 15px 20px; color: #ffffff; font-size: 0.95rem; font-weight: bold; }
.global-nav a:hover { background: var(--light-blue); }
.nav-en { display: block; font-size: 0.7rem; font-weight: normal; opacity: 0.8; }

/* メインレイアウト */
.layout-wrapper { display: flex; gap: 40px; margin: 40px auto; }
.main-content { flex: 1; }
.sidebar { width: 300px; }

/* コンテンツエリア */
.hero-section { background: #ffffff; padding: 40px 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 30px; text-align: center; }
.hero-section h2 { font-size: 1.3rem; color: var(--primary-blue); margin-bottom: 15px; }
.hero-section p { font-size: 1.1rem; }

.content-box { background: #ffffff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 30px; }
.content-box h3 { font-size: 1.2rem; border-bottom: 2px solid var(--primary-blue); padding-bottom: 10px; margin-bottom: 20px; }

/* NEWSリスト (定義リストをテーブル風に) */
.news-en { font-size: 0.8em; color: #888; font-weight: normal; }
.news-list { border-top: 1px solid #eee; }
.news-list dt { font-weight: bold; padding: 15px 0 5px; color: #555; }
.news-list dd { padding: 0 0 15px; border-bottom: 1px solid #eee; margin-left: 0; }
.news-venue { color: var(--primary-blue); text-decoration: underline; } /* U, FONTタグの置き換え */

/* サイドバー */
.widget { background: #ffffff; padding: 25px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); margin-bottom: 20px; }
.widget h3 { font-size: 1.1rem; background: var(--bg-gray); padding: 10px 15px; border-radius: 4px; margin-bottom: 15px; }
.banner-list li { margin-bottom: 10px; }
.banner-list a { display: block; padding: 12px; background: #ffffff; border: 1px solid #ddd; border-radius: 4px; text-align: center; font-weight: bold; color: var(--text-main); }
.banner-list a:hover { background: var(--bg-gray); border-color: var(--primary-blue); color: var(--primary-blue); }

/* FONTタグの置き換え */
.company-concept .first-letter { font-weight: bold; color: var(--light-blue); font-size: 1.1rem; }

/* フッター */
.site-footer { background: #333333; color: #ffffff; padding: 30px 0; text-align: center; }
.footer-nav { margin-bottom: 15px; }
.footer-nav ul { display: flex; justify-content: center; }
.footer-nav a { color: #cccccc; margin: 0 10px; font-size: 0.9rem; }
.copyright { font-size: 0.8rem; color: #999; }

/* スマホ用レスポシブ */
@media (max-width: 768px) {
  .layout-wrapper { flex-direction: column; }
  .sidebar { width: 100%; }
  .header-inner { flex-direction: column; text-align: center; }
  .header-logo-title { flex-direction: column; }
  .site-logo { margin-right: 0; margin-bottom: 10px; }
  .tagline-concept { text-align: center; margin-top: 15px; }
  .global-nav a { padding: 10px; font-size: 0.85rem; }
  .hero-section { padding: 25px 15px; }
}