/* =========================================================
   まなびばならは プロジェクト
   Design: KONIWA系（緑×白 / 写真主役 / 情報量しっかり）
   ========================================================= */

:root {
  --green:      #ea6312;   /* ブランドオレンジ（RELAHAロゴ準拠） */
  --green-dk:   #c9520c;
  --green-deep: #a8420a;   /* 帯・フッター（バーントオレンジ） */
  --green-pale: #fdeee2;   /* 薄いオレンジ背景 */
  --green-pale2:#fef8f2;
  --ink:        #3a342f;
  --ink-soft:   #6a625b;
  --ink-faint:  #a89e95;
  --bg:         #ffffff;
  --line:       #f0e4d8;
  --num:        #f7d8bf;   /* 薄いオレンジ番号 */
  --maxw:       1160px;
  --sans: "Noto Sans JP", "Yu Gothic", "YuGothic",
          "Hiragino Kaku Gothic ProN", "Hiragino Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.9;
  font-size: 15.5px;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--green-dk); text-decoration: none; transition: opacity .2s, color .2s; }
a:hover { opacity: .75; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }
.narrow { max-width: 880px; }

/* ---------- 上部の緑帯 ---------- */
.topbar {
  background: var(--green-deep); color: #fff3e9;
  font-size: 0.74rem; letter-spacing: 0.06em;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; min-height: 36px; gap: 16px; flex-wrap: wrap; }
.topbar .tb-right { display: flex; gap: 18px; align-items: center; color: #f3d3b8; }
.topbar a { color: #fff3e9; }

/* ---------- ヘッダー ---------- */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--green); letter-spacing: 0.06em; }
.logo:hover { opacity: 1; }
.logo .mark { width: 26px; height: 26px; border-radius: 50%; border: 4px solid var(--green); display: inline-block; }
.nav { display: flex; gap: 26px; align-items: center; flex-wrap: wrap; }
.nav a { color: var(--ink); font-size: 0.9rem; font-weight: 600; position: relative; }
.nav a:hover { color: var(--green); opacity: 1; }
.nav a.active { color: var(--green); }
.nav .btn-cta { background: var(--green); color: #fff; padding: 10px 22px; border-radius: 999px; font-size: 0.85rem; }
.nav .btn-cta:hover { background: var(--green-dk); opacity: 1; }
.nav-toggle { display: none; }

/* ---------- ボタン ---------- */
.btn { display: inline-block; background: var(--green); color: #fff; padding: 14px 32px; border-radius: 999px; font-weight: 700; font-size: 0.95rem; }
.btn:hover { background: var(--green-dk); opacity: 1; }
.btn.outline { background: transparent; color: var(--green-dk); border: 2px solid var(--green); padding: 12px 30px; }
.btn.outline:hover { background: var(--green); color: #fff; }
.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------- ヒーロー ---------- */
.hero { position: relative; min-height: 76vh; display: flex; align-items: center; overflow: hidden;
  margin: 24px 32px 0; border-radius: 28px; }
/* スライドショー */
.hero-slides { position: absolute; inset: 0; z-index: 0; }
.hero-slides .slide { position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.2s ease; }
.hero-slides .slide.active { opacity: 1; }
.hero-shade { position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(90deg, rgba(28,18,8,.62) 0%, rgba(28,18,8,.34) 48%, rgba(28,18,8,.12) 100%),
    linear-gradient(0deg, rgba(28,18,8,.40) 0%, rgba(28,18,8,0) 45%); }
.hero .container { position: relative; z-index: 2; }
/* ドット */
.hero-dots { position: absolute; bottom: 22px; left: 0; right: 0; z-index: 3;
  display: flex; gap: 11px; justify-content: center; }
.hero-dots button { width: 11px; height: 11px; border-radius: 50%; border: none; padding: 0;
  background: rgba(168,66,10,.32); cursor: pointer; transition: background .2s; }
.hero-dots button.active { background: var(--green); }
/* 再生/一時停止 */
.hero-pause { position: absolute; bottom: 16px; right: 24px; z-index: 3;
  width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line);
  background: rgba(255,255,255,.85); color: var(--green-dk); cursor: pointer;
  font-size: 0.9rem; line-height: 1; display: flex; align-items: center; justify-content: center; }
.hero-pause:hover { background: #fff; }
.hero .container { position: relative; z-index: 2; }
.hero h1 { font-size: clamp(1.9rem, 5vw, 3.8rem); line-height: 1.5; font-weight: 800; color: #fff; margin: 0 0 30px; letter-spacing: 0.02em; text-shadow: 0 2px 16px rgba(0,0,0,.35); }
.hero h1 .hl { color: #f5883c; }
.hero .btn.outline { color: #fff; border-color: rgba(255,255,255,.85); }
.hero .btn.outline:hover { background: #fff; color: var(--green-dk); border-color: #fff; }
.hero .sub { font-size: 1.05rem; color: var(--green-deep); font-weight: 600; max-width: 560px; margin: 0 0 30px; background: rgba(255,255,255,.55); display: inline-block; padding: 4px 0; }

/* 用語定義（ヒーロー下のバー） */
.term-strip { background: var(--green-deep); color: #fff; }
.term-strip .container { padding: 20px 28px; display: flex; gap: 14px; align-items: baseline; flex-wrap: wrap; }
.term-strip .t-key { font-weight: 800; color: #fff; font-size: 1.05rem; }
.term-strip .t-val { color: #f7dcc4; font-size: 0.95rem; }

/* ---------- セクション ---------- */
section.block { padding: 88px 0; }
section.block.pale { background: var(--green-pale2); }
section.block.green { background: var(--green-pale); }

/* 中央寄せ見出し（KONIWA風） */
.sec-head { text-align: center; margin: 0 auto 52px; max-width: 760px; }
.sec-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; color: var(--green); letter-spacing: 0.12em; margin: 0 0 6px; }
.sec-head .en { display: block; color: var(--green); font-size: 0.78rem; letter-spacing: 0.34em; font-weight: 700; margin-bottom: 18px; }
.sec-head .lead { color: var(--ink-soft); margin: 14px 0 0; font-size: 1rem; }
.sec-head .bar { width: 100%; max-width: 1100px; height: 2px; background: var(--green); margin: 20px auto 0; opacity: .3; }

/* 左寄せ見出し（下層ページ用） */
.page-head { text-align: center; padding: 70px 0 56px; background: var(--green-pale2); border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: var(--green); letter-spacing: 0.1em; margin: 0 0 6px; }
.page-head .en { display: block; color: var(--green); font-size: 0.76rem; letter-spacing: 0.34em; font-weight: 700; margin-bottom: 14px; }
.page-head p { color: var(--ink-soft); max-width: 720px; margin: 16px auto 0; }

/* ---------- 画像 ---------- */
.feat-media img { width: 100%; border-radius: 14px; object-fit: cover; display: block; }
.card-img { width: 100%; aspect-ratio: 16 / 11; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--line); margin-bottom: 18px; background: #fff; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 14px; }
/* Relahaロゴ */
.relaha-logo { height: 64px; width: auto; margin: 0 auto 18px; display: block; }
.logo-row { text-align: center; margin-bottom: 8px; }

/* ---------- 写真プレースホルダ ---------- */
.ph { background: linear-gradient(135deg, #fbe0c8, #f6cda6 60%, #f3c298); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; color: rgba(29,77,51,.55);
  font-size: 0.82rem; letter-spacing: 0.06em; min-height: 240px; }
.ph.tall { min-height: 340px; }
.ph.banner { min-height: 360px; border-radius: 0; }

/* ---------- サービス／取り組み（写真＋番号＋テキスト） ---------- */
.feature { display: grid; grid-template-columns: 420px 1fr; gap: 56px; align-items: center; padding: 40px 0; border-top: 2px solid var(--green); }
.feature:first-of-type { border-top: 2px solid var(--green); }
.feature.reverse .feat-media { order: 2; }
.feat-media .ph { min-height: 300px; }
.feat-body { position: relative; }
.feat-body .num { font-size: 3.2rem; font-weight: 800; color: var(--num); line-height: 1; }
.feat-body .en { display: block; color: var(--green); font-size: 0.72rem; letter-spacing: 0.28em; font-weight: 700; margin: 4px 0 14px; }
.feat-body h3 { font-size: 1.5rem; font-weight: 800; color: var(--ink); letter-spacing: 0.08em; margin: 0 0 14px; }
.feat-body p { color: var(--ink-soft); margin: 0; }

/* ---------- カード（3列：機能など） ---------- */
.cards { display: grid; gap: 24px; grid-template-columns: repeat(3, 1fr); }
.cards.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card { background: var(--bg); border: 1px solid var(--line); border-radius: 14px; padding: 30px; }
.card .num { font-size: 1.6rem; font-weight: 800; color: var(--green); }
.card .en { display: block; color: var(--green); font-size: .7rem; letter-spacing: .26em; font-weight: 700; margin: 2px 0 12px; }
.card h3 { font-size: 1.15rem; font-weight: 800; margin: 0 0 12px; color: var(--ink); }
.card p { color: var(--ink-soft); margin: 0; font-size: 0.94rem; }

/* 悩みボックス */
.worrybox { background: var(--green-pale); border-radius: 14px; padding: 28px 32px; margin: 0 0 40px; }
.worrybox .ttl { font-weight: 800; color: var(--green-dk); margin: 0 0 12px; }
.worrybox ul { margin: 0; padding-left: 1.3em; }
.worrybox li { margin-bottom: 8px; color: var(--ink-soft); }

/* リード（大きめ） */
.statement { text-align: center; font-size: clamp(1.15rem, 2.4vw, 1.6rem); font-weight: 700; line-height: 1.9; color: var(--ink); max-width: 900px; margin: 0 auto; }
.statement .hl { color: var(--green); }

/* ---------- 課題/取り組み 2カラム ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.duo .card { background: var(--bg); }

/* ---------- History タイムライン ---------- */
.timeline { max-width: 820px; margin: 0 auto; }
.timeline .row { display: grid; grid-template-columns: 150px 1fr; gap: 24px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.timeline .row:first-child { border-top: 1px solid var(--line); }
.timeline .date { font-weight: 800; color: var(--green); letter-spacing: 0.04em; }
.timeline .ev { color: var(--ink); }

/* ---------- News リスト ---------- */
.news-list { max-width: 880px; margin: 0 auto; }
.news-row { display: grid; grid-template-columns: 130px 1fr; gap: 24px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.news-row:first-child { border-top: 1px solid var(--line); }
.news-row .date { font-weight: 700; color: var(--green); letter-spacing: 0.04em; }
.news-row h3 { font-size: 1.15rem; font-weight: 800; margin: 0 0 10px; }
.news-row p { color: var(--ink-soft); margin: 0 0 12px; font-size: 0.95rem; }
.news-row .link { font-size: 0.88rem; font-weight: 700; color: var(--green); }

/* ---------- Info テーブル ---------- */
.info-table { width: 100%; max-width: 880px; margin: 0 auto; border-collapse: collapse; }
.info-table th, .info-table td { text-align: left; padding: 20px 16px; border-bottom: 1px solid var(--line); vertical-align: top; }
.info-table th { width: 28%; font-weight: 800; color: var(--green-dk); background: var(--green-pale2); }
.info-table td { color: var(--ink-soft); }

/* ---------- Contact ---------- */
.mailbox { text-align: center; background: var(--green-pale); border-radius: 16px; padding: 44px; max-width: 680px; margin: 0 auto; }
.mailbox .en { color: var(--green); font-size: .74rem; letter-spacing: .28em; font-weight: 700; }
.mailbox .mail { font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 800; color: var(--green-dk); margin: 14px 0; }

/* プレースホルダ文字 */
.ph-text { color: var(--green-dk); font-weight: 700; border-bottom: 1px dashed var(--green); }

/* ---------- フッター ---------- */
.site-footer { background: var(--green-deep); color: #fbe6d4; padding: 64px 0 36px; }
.site-footer a { color: #ffdcc0; }
.site-footer a:hover { color: #fff; }
.site-footer .foot-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 36px; }
.site-footer .foot-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; color: #fff; letter-spacing: 0.06em; }
.site-footer .foot-logo .mark { width: 24px; height: 24px; border-radius: 50%; border: 4px solid #fff; }
.site-footer .foot-tag { margin: 14px 0 0; color: #e9b48b; font-size: 0.88rem; }
.site-footer nav { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 32px; }
.site-footer nav a { font-size: 0.9rem; }
.site-footer .copy { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,.14); font-size: 0.78rem; color: #d49e72; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero { margin: 14px 14px 0; border-radius: 18px; min-height: 64vh; }
  section.block { padding: 60px 0; }
  .feature, .feature.reverse { grid-template-columns: 1fr; gap: 24px; }
  .feature.reverse .feat-media { order: 0; }
  .cards, .cards.cols-2, .duo { grid-template-columns: 1fr; }
  .timeline .row, .news-row { grid-template-columns: 1fr; gap: 4px; }
  .topbar .tb-right { display: none; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 28px 22px; align-items: stretch; }
  .nav.open { display: flex; }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav .btn-cta { text-align: center; margin-top: 12px; border-bottom: none; }
  .nav-toggle { display: inline-flex; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; background: transparent; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
  .nav-toggle span { display: block; height: 2px; background: var(--green); margin: 0 11px; }
  .site-footer nav { grid-template-columns: 1fr 1fr; }
}

/* ---------- 野澤ゼミのサイトへ戻るリンク ---------- */
/* ヘッダー内 */
.nav .nozawa-link {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--green-dk);
  border: 1.5px solid var(--green);
  padding: 7px 16px;
  border-radius: 999px;
}
.nav .nozawa-link:hover { background: var(--green); color: #fff; opacity: 1; }
/* フッター内 */
.site-footer nav .nozawa-foot-link { font-weight: 700; color: #fff; }
.site-footer nav .nozawa-foot-link:hover { color: #ffdcc0; }

@media (max-width: 880px) {
  .nav .nozawa-link { text-align: center; margin-top: 12px; border-bottom: 1.5px solid var(--green); }
}