/* ============================================================
   一般社団法人 伊勢と日本の心 研究所 — 共通スタイル
   （index / ise-nippon-mockup.html のデザインを踏襲）
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --white:  #FFFFFF;
  --washi:  #F7F4EE;
  --washi2: #EDE9DF;
  --sumi:   #1C1C1C;
  --sumi2:  #3A3A3A;
  --sumi3:  #6B6861;
  --kin:    #B8933A;
  --kin2:   #D4AA55;
  --serif:  'Noto Serif JP', serif;
  --sans:   'Noto Sans JP', sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--sans); color: var(--sumi); background: var(--white); line-height: 1.9; font-size: 15px; }
a { color: var(--kin); }
a:hover { color: var(--kin2); }

/* ヘッダー */
header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.97); border-bottom: 1px solid var(--washi2); }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 0 2rem; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--sumi); }
.logo img { height: 44px; width: auto; }
nav { display: flex; align-items: center; gap: 0; }
nav a { font-family: var(--serif); font-size: 13px; color: var(--sumi2); text-decoration: none; padding: 0 11px; letter-spacing: 0.04em; transition: color 0.2s; white-space: nowrap; }
nav a:hover { color: var(--kin); }
nav a.nav-contact { margin-left: 8px; padding: 7px 16px; border: 1px solid var(--kin); color: var(--kin); border-radius: 2px; font-size: 12px; }
nav a.nav-contact:hover { background: var(--kin); color: var(--white); }

/* 「主たる事業」のドロップダウン（PC＝ホバー展開） */
nav .nav-item { position: relative; display: inline-flex; align-items: center; align-self: stretch; }
nav .has-sub > a::after { content: '⌄'; font-size: 12px; line-height: 1; margin-left: 5px; margin-top: -4px; color: var(--sumi3); }
nav .nav-sub { position: absolute; top: 100%; left: 50%; transform: translateX(-50%) translateY(6px); min-width: 190px; background: var(--white); border: 1px solid var(--washi2); box-shadow: 0 10px 28px rgba(20,20,20,0.10); padding: 0.4rem 0; opacity: 0; visibility: hidden; transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s; z-index: 120; }
nav .nav-sub::before { content: ''; position: absolute; top: -8px; left: 0; right: 0; height: 8px; }
nav .has-sub:hover .nav-sub, nav .has-sub:focus-within .nav-sub { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
nav .nav-sub a { display: block; padding: 0.7rem 1.4rem; font-size: 13px; color: var(--sumi2); white-space: nowrap; text-align: left; letter-spacing: 0.06em; }
nav .nav-sub a:hover { background: var(--washi); color: var(--kin); }

.kin-line { width: 100%; height: 1px; background: linear-gradient(90deg, transparent, var(--kin2), transparent); }

/* ハンバーガーボタン（900px以下でのみ表示） */
.nav-toggle { display: none; position: relative; z-index: 210; width: 44px; height: 44px; margin-right: -10px; padding: 0; border: 0; background: none; cursor: pointer; }
.nav-toggle span { display: block; position: absolute; left: 11px; width: 22px; height: 1px; background: var(--sumi); transition: transform 0.3s, opacity 0.2s; }
.nav-toggle span:nth-child(1) { top: 15px; }
.nav-toggle span:nth-child(2) { top: 21px; }
.nav-toggle span:nth-child(3) { top: 27px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* セクション共通 */
section { padding: 6rem 2rem; }
.inner { max-width: 1100px; margin: 0 auto; }
.inner-narrow { max-width: 820px; margin: 0 auto; }
.section-label { font-size: 10px; letter-spacing: 0.3em; color: var(--kin); text-transform: uppercase; margin-bottom: 0.6rem; font-family: var(--serif); }
.section-title { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 400; letter-spacing: 0.06em; line-height: 1.5; color: var(--sumi); margin-bottom: 0.5rem; }
.section-divider { display: flex; align-items: center; gap: 12px; margin: 1.2rem 0 3rem; }
.section-divider::after { content: ''; flex: 1; height: 1px; background: var(--washi2); max-width: 120px; }
.section-divider-gem { width: 6px; height: 6px; background: var(--kin); transform: rotate(45deg); flex-shrink: 0; }

/* パンくずリスト */
.breadcrumb { max-width: 1100px; margin: 0 auto; padding: 1.1rem 2rem 0; font-size: 12px; color: var(--sumi3); letter-spacing: 0.06em; }
.breadcrumb a { color: var(--sumi3); text-decoration: none; }
.breadcrumb a:hover { color: var(--kin); }
.breadcrumb .sep { margin: 0 0.6em; color: #C7C1B4; }
.breadcrumb .current { color: var(--kin); }

/* ページ見出し帯 */
.page-head { background: var(--washi); border-bottom: 1px solid var(--washi2); padding: 3.5rem 2rem 3.4rem; }
.page-head .inner { max-width: 1100px; margin: 0 auto; }
.page-head .section-label { margin-bottom: 0.7rem; }
.page-head h1 { font-family: var(--serif); font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 400; letter-spacing: 0.08em; line-height: 1.5; color: var(--sumi); }
.page-head .lead { font-size: 14px; color: var(--sumi3); line-height: 2; margin-top: 1.2rem; max-width: 680px; }
.page-head .page-divider { display: flex; align-items: center; gap: 12px; margin-top: 1.2rem; }
.page-head .page-divider::after { content: ''; flex: 1; height: 1px; background: var(--washi2); max-width: 140px; }

/* ボタン */
.btn-primary { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 14px; color: var(--sumi); background: var(--kin2); padding: 14px 3rem; letter-spacing: 0.15em; text-decoration: none; border: 1px solid var(--kin2); transition: all 0.2s; }
.btn-primary:hover { background: var(--kin); border-color: var(--kin); color: var(--sumi); }
.btn-outline { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 14px; color: var(--kin); padding: 14px 3rem; letter-spacing: 0.15em; text-decoration: none; border: 1px solid var(--kin); transition: all 0.2s; }
.btn-outline:hover { background: var(--kin); color: var(--white); }
.btn-outline-light { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 14px; color: rgba(255,255,255,0.85); padding: 14px 3rem; letter-spacing: 0.15em; text-decoration: none; border: 1px solid rgba(255,255,255,0.3); transition: all 0.2s; }
.btn-outline-light:hover { border-color: var(--kin2); color: var(--kin2); }

/* テキストリンク（→つき） */
.arrow-link { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--kin); letter-spacing: 0.1em; text-decoration: none; font-family: var(--serif); }
.arrow-link::after { content: '→'; font-size: 14px; }
.arrow-link:hover { color: var(--kin2); }

/* 記事・行事カード（一覧用） */
.entry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.entry-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.entry-card { background: var(--white); border: 1px solid var(--washi2); text-decoration: none; color: inherit; display: flex; flex-direction: column; position: relative; transition: border-color 0.25s, transform 0.25s; overflow: hidden; }
.entry-card::before { content: ''; position: absolute; top: 0; left: 0; width: 3px; height: 0; background: var(--kin); transition: height 0.35s ease; z-index: 2; }
.entry-card:hover { border-color: var(--kin); transform: translateY(-3px); }
.entry-card:hover::before { height: 100%; }
.entry-card .thumb { aspect-ratio: 3 / 2; width: 100%; object-fit: cover; display: block; }
.entry-card .card-body { padding: 1.6rem 1.7rem 1.9rem; display: flex; flex-direction: column; flex: 1; }
.entry-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.7rem; }
.entry-date { font-family: var(--serif); font-size: 12px; color: var(--kin); letter-spacing: 0.12em; }
.entry-tag { font-size: 11px; color: var(--sumi3); border: 1px solid var(--washi2); padding: 1px 9px; letter-spacing: 0.08em; }
.entry-card h3 { font-family: var(--serif); font-size: 17px; font-weight: 400; letter-spacing: 0.06em; line-height: 1.7; color: var(--sumi); margin-bottom: 0.7rem; }
.entry-card .excerpt { font-size: 13.5px; color: var(--sumi3); line-height: 1.9; }
.entry-card .card-more { margin-top: auto; padding-top: 1.2rem; }

/* 画像プレースホルダー（striped） */
.ph { background: repeating-linear-gradient(45deg, #EDE9DF, #EDE9DF 10px, #F3EFE7 10px, #F3EFE7 20px); display: flex; align-items: center; justify-content: center; }
.ph span { font-family: 'SFMono-Regular', ui-monospace, Menlo, Consolas, monospace; font-size: 11px; color: var(--sumi3); letter-spacing: 0.05em; background: rgba(255,255,255,0.75); padding: 4px 12px; }

/* 下部CTA帯 */
.cta { background: var(--sumi); text-align: center; padding: 5rem 2rem; }
.cta .section-label { color: var(--kin2); }
.cta .section-title { color: var(--white); }
.cta .section-divider { justify-content: center; }
.cta .section-divider::after { background: rgba(255,255,255,0.1); }
.cta-lead { font-size: 14px; color: rgba(255,255,255,0.6); letter-spacing: 0.1em; margin: 1.5rem 0 2.6rem; line-height: 2; }
.cta-buttons { display: flex; justify-content: center; gap: 1.5rem; flex-wrap: wrap; }
.cta-note { margin-top: 2.6rem; font-size: 12px; color: rgba(255,255,255,0.35); letter-spacing: 0.1em; }

/* フッター */
footer { background: #111; padding: 3rem 2rem; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1fr auto; gap: 3rem; align-items: start; }
.footer-logo { font-family: var(--serif); color: rgba(255,255,255,0.7); font-size: 15px; letter-spacing: 0.06em; margin-bottom: 0.5rem; }
.footer-logo img { height: 36px; width: auto; filter: brightness(0) invert(1); opacity: 0.6; }
.footer-info { font-size: 12px; color: rgba(255,255,255,0.35); line-height: 1.9; letter-spacing: 0.05em; margin-top: 0.8rem; }
.footer-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem 2.5rem; text-align: right; }
.footer-nav a { font-size: 12px; color: rgba(255,255,255,0.4); text-decoration: none; letter-spacing: 0.1em; transition: color 0.2s; }
.footer-nav a:hover { color: var(--kin2); }
.footer-photo-credit { max-width: 1100px; margin: 2rem auto 0; font-size: 11px; color: rgba(255,255,255,0.3); letter-spacing: 0.05em; line-height: 1.8; }
.footer-bottom { max-width: 1100px; margin: 2rem auto 0; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.07); display: flex; justify-content: space-between; align-items: center; }
.footer-copy { font-size: 11px; color: rgba(255,255,255,0.25); letter-spacing: 0.1em; }

/* スクロールで浮かび上がる演出 */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16,1,0.3,1), transform 0.8s cubic-bezier(0.16,1,0.3,1);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none !important; opacity: 1 !important; transform: none !important; }
  #site-nav, .nav-toggle span { transition: none !important; }
}

/* レスポンシブ */
@media (max-width: 900px) {
  .header-inner { padding: 0 1.2rem; }
  .logo img { height: 38px; max-width: 62vw; object-fit: contain; object-position: left center; }
  .nav-toggle { display: block; }

  /* ヘッダーのナビだけを全画面ドロワーにする。
     セレクタを #site-nav に限定しないと、フッターの nav.footer-nav も
     全画面固定になり、ドロワーを白く覆ってしまう。 */
  #site-nav {
    position: fixed;
    inset: 0;
    z-index: 200;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
    padding: 5rem 2rem 3rem;
    background: var(--white);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.28s ease, transform 0.28s ease, visibility 0.28s;
  }
  body.nav-drawer-open #site-nav { opacity: 1; visibility: visible; transform: none; }
  body.nav-drawer-open { overflow: hidden; }

  #site-nav a { font-size: 17px; padding: 1.1rem 0; letter-spacing: 0.12em; }
  #site-nav a.nav-contact { margin: 1.4rem 0 0; padding: 14px 3rem; font-size: 14px; }

  /* ドロワー内ではホバー不可のため、サブメニューを常時展開して字下げ表示 */
  #site-nav .nav-item { flex-direction: column; align-items: center; align-self: auto; width: 100%; }
  #site-nav .has-sub > a::after { display: none; }
  #site-nav .nav-sub { position: static; transform: none; opacity: 1; visibility: visible; min-width: 0; background: none; border: none; box-shadow: none; padding: 0; margin-top: 0.1rem; }
  #site-nav .nav-sub a { font-size: 14px; color: var(--sumi3); padding: 0.55rem 0; text-align: center; letter-spacing: 0.1em; }
  #site-nav .nav-sub a:hover { background: none; }

  .footer-inner { grid-template-columns: 1fr; }
  .footer-nav { text-align: left; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.5rem; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  /* タブレット幅では行事カードを縦積みにする。横並びのままだと
     1枚あたりが狭くなり、写真も本文も窮屈になる。 */
  .entry-grid { grid-template-columns: 1fr; }
  .entry-grid.cols-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  section { padding: 4rem 1.2rem; }
  .page-head { padding: 2.6rem 1.2rem 2.4rem; }
  .breadcrumb { padding: 1rem 1.2rem 0; }
  .entry-grid, .entry-grid.cols-3 { grid-template-columns: 1fr; }
  .cta-buttons { flex-direction: column; align-items: center; }
}

/* ── 日本語の改行位置 ────────────────────────────────
   語の途中や、句読点・括弧の前などで不自然に改行されるのを防ぐ。
   word-break: auto-phrase は文節単位で折り返す指定（未対応ブラウザでは無視される）。
   スマホなど幅の狭い画面ほど効きめが大きい。 */
body { line-break: strict; }
h1, h2, h3, h4, h5, p, li, dt, dd, th, td, figcaption, .lead, .section-title, .btn-primary, .btn-outline, .btn-outline-light {
  word-break: auto-phrase;
}
/* 見出しは行の長さも均す */
h1, h2, h3, .lead, .section-title { text-wrap: pretty; }

/* ── 伊勢便りのLINE案内 ──────────────────────────────
   主役は伊勢便りそのもの。LINEは「お届け先のひとつ」として控えめに置く。
   緑の大きな友だち追加ボタンは使わない。 */

/* ページ冒頭の一行案内 */
.page-head .lead-note { font-size: 13px; color: var(--sumi3); line-height: 1.95; margin-top: 0.9rem; letter-spacing: 0.02em; }
.page-head .lead-note a { color: var(--kin); text-decoration: none; border-bottom: 1px solid rgba(184,147,58,0.35); padding-bottom: 1px; transition: border-color 0.2s; }
.page-head .lead-note a:hover { border-bottom-color: var(--kin); }

/* 画面の隅に残る小さな案内。ふだんは畳んでおき、押したときだけ開く。
   号が増えても埋もれず、それでいて読む妨げにならないようにする。 */
.line-float { position: fixed; right: 20px; bottom: 20px; z-index: 90; }
/* PCでは右側の上から2/3あたりに浮かせる。ページ末尾の内容と重なりにくく、
   視線の高さにも近い。スマホ・タブレットは親指の届く右下のまま。 */
@media (min-width: 901px) {
  .line-float { top: 66%; bottom: auto; }
}

/* 畳んでいるときのつまみ */
.line-float-toggle {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.96); border: 1px solid var(--washi2);
  box-shadow: 0 4px 14px rgba(20,20,20,0.08);
  padding: 9px 14px; border-radius: 3px; cursor: pointer;
  font-family: var(--serif); font-size: 12px; letter-spacing: 0.08em; color: var(--sumi2);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.line-float-toggle:hover { border-color: var(--kin); box-shadow: 0 6px 18px rgba(20,20,20,0.12); color: var(--sumi); }
.line-float .mark { font-family: var(--sans); font-weight: 700; font-size: 9.5px; letter-spacing: 0; color: #fff; background: #06C755; padding: 2px 5px; border-radius: 2px; line-height: 1.4; }
.line-float-toggle .caret { font-size: 10px; color: var(--sumi3); line-height: 1; margin-left: 2px; transition: transform 0.25s; }
.line-float.open .caret { transform: rotate(180deg); }

/* 開いたときの中身 */
.line-float-panel {
  position: absolute; right: 0; bottom: calc(100% + 10px);
  width: 300px; max-width: calc(100vw - 40px);
  background: var(--white); border: 1px solid var(--washi2);
  box-shadow: 0 10px 30px rgba(20,20,20,0.14);
  padding: 1.5rem 1.4rem 1.4rem; text-align: center;
  opacity: 0; visibility: hidden; transform: translateY(6px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.line-float.open .line-float-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.line-float-panel h3 { font-family: var(--serif); font-size: 15px; font-weight: 400; letter-spacing: 0.05em; color: var(--sumi); margin-bottom: 0.2rem; }
.line-float-panel .name { font-family: var(--serif); font-size: 12.5px; letter-spacing: 0.14em; color: var(--kin); margin-bottom: 0.9rem; }
.line-float-panel p { font-size: 12.5px; color: var(--sumi2); line-height: 1.9; margin-bottom: 1.1rem; }
.line-float-panel .btn-line { display: inline-flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
  background: #06C755; color: #fff; font-family: var(--serif); font-size: 12.5px; letter-spacing: 0.06em;
  padding: 10px 0.8rem; text-decoration: none; border-radius: 3px; transition: opacity 0.2s; }
.line-float-panel .btn-line:hover { opacity: 0.88; color: #fff; }
.line-float-panel .btn-line .mark { background: #fff; color: #06C755; }
.line-float-close { position: absolute; top: 6px; right: 8px; width: 26px; height: 26px; border: 0; background: none;
  cursor: pointer; color: var(--sumi3); font-size: 15px; line-height: 1; padding: 0; }
.line-float-close:hover { color: var(--kin); }

@media (max-width: 600px) {
  .line-float { right: 12px; bottom: 12px; }
  .line-float-toggle { padding: 8px 12px; font-size: 11.5px; }
  .line-float-panel { width: calc(100vw - 24px); max-width: 320px; }
}
@media (prefers-reduced-motion: reduce) {
  .line-float-panel, .line-float-toggle .caret { transition: none; }
}