/* =============================================================
   湯島倫理法人会 設立20周年 記念アーカイブ
   ─ 読み物・記念誌のトーンを優先したデザイン
   ============================================================= */

/* ===== Variables ===== */
:root {
  --navy:        #0B2B5C;
  --navy-deep:   #061A3D;
  --gold:        #C9A24A;
  --gold-soft:   #E8D5A0;
  --gold-deep:   #A08036;
  --cream:       #FBF8F1;
  --paper:       #F4EFE4;
  --ink:         #1F1F1F;
  --ink-soft:    #555555;
  --ink-mute:    #888888;
  --line:        #E0D8C5;
  --line-soft:   #EFE9DA;
  --white:       #FFFFFF;
  --shadow:      0 8px 30px rgba(11,43,92,0.06);

  --font-serif:    'Noto Serif JP', 'Cormorant Garamond', serif;
  --font-sans:     'Noto Sans JP', 'DM Sans', sans-serif;
  --font-display:  'Cormorant Garamond', 'Noto Serif JP', serif;

  --container: 1080px;
  --container-narrow: 760px;
}

/* =============================================================
   PASSWORD GATE
   ============================================================= */
body.is-locked { overflow: hidden; }
body.is-locked > *:not(#password-gate):not(script) {
  visibility: hidden !important;
}
body:not(.is-locked) #password-gate { display: none; }

.password-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
  padding: 40px 20px;
}
.gate-bg {
  position: absolute; inset: 0;
  background:
    linear-gradient(140deg, rgba(6,26,61,0.92) 0%, rgba(11,43,92,0.85) 50%, rgba(14,54,114,0.92) 100%),
    url('images/hero_bg.jpg?v=20260811') center/cover no-repeat;
}
.gate-inner {
  position: relative;
  z-index: 1;
  max-width: 520px;
  width: 100%;
  text-align: center;
  color: #FFFFFF;
}
.gate-eyebrow {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 12px;
  letter-spacing: 0.4em;
  color: #C9A24A;
  margin-bottom: 28px;
  font-weight: 300;
}
.gate-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 3.6vw, 30px);
  font-weight: 500;
  letter-spacing: 0.12em;
  line-height: 1.5;
  margin-bottom: 14px;
  color: #FFFFFF;
}
.gate-subtitle {
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 13px;
  letter-spacing: 0.4em;
  color: #E8D5A0;
  margin-bottom: 24px;
}
.gate-divider {
  width: 50px;
  height: 1px;
  background: #C9A24A;
  margin: 0 auto 30px;
}
.gate-message {
  font-family: 'Noto Serif JP', serif;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  line-height: 2;
  margin-bottom: 36px;
  letter-spacing: 0.06em;
}
.gate-form {
  display: flex;
  gap: 8px;
  margin-bottom: 18px;
  flex-wrap: wrap;
  justify-content: center;
}
.gate-input {
  flex: 1 1 200px;
  min-width: 0;
  padding: 14px 20px;
  font-size: 16px;
  font-family: 'Noto Sans JP', sans-serif;
  letter-spacing: 0.2em;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(201,162,74,0.4);
  color: #FFFFFF;
  border-radius: 2px;
  text-align: center;
  outline: none;
  transition: border-color .25s, background .25s;
}
.gate-input:focus {
  border-color: #C9A24A;
  background: rgba(255,255,255,0.12);
}
.gate-input::placeholder {
  color: rgba(255,255,255,0.4);
  letter-spacing: 0.15em;
}
.gate-button {
  padding: 14px 30px;
  font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
  font-size: 14px;
  letter-spacing: 0.2em;
  font-weight: 600;
  background: #C9A24A;
  color: #0B2B5C;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: background .25s, transform .15s;
}
.gate-button:hover {
  background: #E8D5A0;
}
.gate-button:active {
  transform: translateY(1px);
}
.gate-error {
  font-size: 13px;
  color: #FF9999;
  margin-bottom: 24px;
  letter-spacing: 0.08em;
}
.gate-contact {
  font-size: 11px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  letter-spacing: 0.05em;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px dotted rgba(201,162,74,0.3);
}

/* ===== Reset & Base ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-serif);
  font-weight: 400;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.9;
  letter-spacing: 0.04em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .25s, color .25s; }
a:hover { opacity: 0.7; }
ul, ol { list-style: none; }

.sp-only { display: none; }
@media (max-width: 540px) { .sp-only { display: inline; } }

/* =============================================================
   HERO
   ============================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--white);
  overflow: hidden;
  padding: 80px 20px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-image: url('images/hero_bg.jpg?v=20260811');
  background-size: cover;
  background-position: center 35%;
  background-repeat: no-repeat;
}
/* オーバーレイ: NAVYグラデで文字可読性を確保 */
.hero-bg::after {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at top, rgba(201,162,74,0.18), transparent 65%),
    linear-gradient(140deg, rgba(6,26,61,0.88) 0%, rgba(11,43,92,0.78) 50%, rgba(14,54,114,0.85) 100%);
}
.hero-bg::before {
  content: '';
  position: absolute; inset: 0;
  z-index: 1;
  background-image:
    radial-gradient(circle at 25% 30%, rgba(255,255,255,0.04) 1px, transparent 1px),
    radial-gradient(circle at 75% 70%, rgba(201,162,74,0.06) 1px, transparent 1px);
  background-size: 90px 90px, 130px 130px;
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 760px;
}
.hero-pretitle {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.45em;
  color: var(--gold);
  margin-bottom: 40px;
  font-weight: 300;
}
.hero-title { margin-bottom: 40px; }
.hero-title-jp {
  display: block;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 400;
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  color: var(--gold-soft);
}
.hero-title-sub {
  display: block;
  font-size: clamp(40px, 6.5vw, 64px);
  font-weight: 500;
  letter-spacing: 0.15em;
  line-height: 1.3;
}
.hero-tagline {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.4vw, 24px);
  margin-bottom: 50px;
  letter-spacing: 0.2em;
  font-weight: 300;
  line-height: 2;
}
.hero-divider {
  width: 60px;
  height: 1px;
  background: var(--gold);
  margin: 0 auto 40px;
}
.hero-subnote {
  font-size: 14px;
  line-height: 2.2;
  color: rgba(255,255,255,0.85);
  letter-spacing: 0.08em;
  margin-bottom: 50px;
}
.hero-link {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--gold);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 6px;
  font-weight: 500;
}
.hero-link:hover {
  color: var(--gold-soft);
  border-color: var(--gold-soft);
  opacity: 1;
}

/* =============================================================
   ANCHOR NAV
   ============================================================= */
.anchor-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11,43,92,0.97);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(201,162,74,0.18);
}
/* 14項目あり1行に収まらないため、PCでは折り返して全項目を見せる。
   （nowrap + justify-content:center だと両端が見切れてスクロールも効かない） */
.anchor-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  max-width: var(--container);
  margin: 0 auto;
  padding: 4px 16px;
  overflow: visible;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.anchor-nav ul::-webkit-scrollbar { display: none; }
.anchor-nav li { flex-shrink: 0; }
.anchor-nav a {
  display: block;
  padding: 9px 13px;
  color: rgba(255,255,255,0.75);
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  font-weight: 400;
  white-space: nowrap;
  transition: color .2s;
}
.anchor-nav a:hover { color: var(--gold); opacity: 1; }

/* =============================================================
   SECTION COMMON
   ============================================================= */
.section { padding: 120px 24px; }
.section-inner {
  max-width: var(--container);
  margin: 0 auto;
}
.section-inner.narrow { max-width: var(--container-narrow); }

.section-eyebrow {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--gold);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 300;
}
.section-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.6vw, 36px);
  font-weight: 500;
  text-align: center;
  color: var(--navy);
  margin-bottom: 30px;
  letter-spacing: 0.12em;
  line-height: 1.6;
}
.section-title::after {
  content: '';
  display: block;
  width: 50px;
  height: 1px;
  background: var(--gold);
  margin: 28px auto 0;
}
.section-lead {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink-soft);
  margin-bottom: 70px;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  line-height: 2.1;
  letter-spacing: 0.06em;
}

/* =============================================================
   PROLOGUE
   ============================================================= */
.section-prologue { background: var(--white); }
.prologue-body {
  max-width: 640px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 2.4;
  color: var(--ink);
  letter-spacing: 0.06em;
}
.prologue-body p {
  margin-bottom: 32px;
}
.prologue-body strong {
  color: var(--navy);
  font-weight: 600;
}
.prologue-sign {
  text-align: right;
  margin-top: 60px !important;
  font-size: 14px;
  color: var(--ink-soft);
  font-style: italic;
}

/* =============================================================
   HISTORY (TIMELINE)
   ============================================================= */
.section-history { background: var(--paper); }
.timeline {
  position: relative;
  padding: 30px 0;
  max-width: 780px;
  margin: 0 auto;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 100px;
  top: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--gold-soft) 0%, var(--gold) 50%, var(--gold-soft) 100%);
}
.timeline-item {
  position: relative;
  padding-left: 140px;
  margin-bottom: 44px;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: 95px;
  top: 10px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--gold);
  transition: all .3s;
}
.timeline-year {
  position: absolute;
  left: 0;
  top: 4px;
  width: 85px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: var(--navy);
  text-align: right;
  letter-spacing: 0.06em;
}
.timeline-content h3 {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--navy);
  margin-bottom: 8px;
  font-weight: 600;
  line-height: 1.5;
}
.timeline-content p {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 1.9;
}
.timeline-content strong { color: var(--navy); font-weight: 600; }
.timeline-highlight::before {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(201,162,74,0.15);
}
.timeline-highlight .timeline-content h3 { color: var(--gold-deep); }
.timeline-now::before {
  background: var(--navy);
  border-color: var(--navy);
  box-shadow: 0 0 0 6px rgba(11,43,92,0.12);
}
.timeline-now .timeline-content h3 {
  color: var(--navy);
  font-size: 19px;
}

/* =============================================================
   PHASES
   ============================================================= */
.section-phases { background: var(--white); }
.phases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  max-width: 820px;
  margin: 0 auto;
}
.phase-card {
  background: var(--cream);
  padding: 50px 50px;
  border-left: 3px solid var(--line);
  border-radius: 2px;
  transition: transform .3s, box-shadow .3s;
}
.phase-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.phase-card-gold { border-left-color: var(--gold); }
.phase-card-navy { border-left-color: var(--navy); }
.phase-num {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.35em;
  color: var(--gold);
  font-weight: 500;
  margin-bottom: 8px;
}
.phase-years {
  font-family: var(--font-display);
  font-size: 22px;
  color: var(--ink-soft);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.phase-name {
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 20px;
}
.phase-body {
  font-size: 15px;
  color: var(--ink);
  line-height: 2.1;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.phase-body strong { color: var(--gold-deep); font-weight: 600; }
.phase-meta {
  font-size: 12px;
  color: var(--ink-mute);
  border-top: 1px dotted var(--line);
  padding-top: 14px;
  letter-spacing: 0.05em;
}

/* =============================================================
   CHAIRMEN
   ============================================================= */
.section-chairmen { background: var(--paper); }
.chairmen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 22px;
}
.chairman-card {
  background: var(--white);
  padding: 32px 28px 28px;
  position: relative;
  border-radius: 2px;
  border-top: 2px solid var(--line);
  transition: transform .3s, box-shadow .3s;
}
.chairman-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.chairman-card.highlight { border-top: 2px solid var(--gold); background: linear-gradient(180deg, #FFFBED 0%, var(--white) 50%); }
.chairman-card.current   { border-top: 2px solid var(--navy); background: linear-gradient(180deg, #EDF1F9 0%, var(--white) 50%); }

/* 肖像写真エリア（ダミーSVG／実写真の両対応） */
.chairman-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  margin: 0 auto 20px;
  overflow: hidden;
  border-radius: 2px;
  background: var(--paper);
  border: 1px solid var(--line);
  max-width: 180px;
  transition: transform .3s;
}
/* aspect-ratio ボックスを高さフォールバック（旧Safari用） */
.chairman-photo::before {
  content: "";
  display: block;
  padding-top: 100%;
}
.chairman-card:hover .chairman-photo {
  transform: scale(1.02);
}
.chairman-photo img,
.chairman-photo svg,
.chairman-photo .chairman-photo-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.chairman-photo .chairman-photo-svg {
  display: none; /* onerrorでblockに切替 */
}

.chairmen-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 36px;
  letter-spacing: 0.06em;
  font-style: italic;
}
.ch-no {
  display: block;
  font-family: var(--font-display);
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.3em;
  font-weight: 500;
  margin-bottom: 8px;
}
.chairman-card h3 {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.chairman-card .ch-term {
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.chairman-card .ch-note {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.85;
}
.chairman-card .ch-note strong { color: var(--gold-deep); font-weight: 600; }

/* =============================================================
   INTERVIEWS（歴代会長インタビュー記事）
   ============================================================= */
.section-interviews { background: var(--white); }

.interviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 22px;
  margin-bottom: 40px;
}
.interviews-loading,
.interviews-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 50px;
  color: var(--ink-mute);
  font-size: 14px;
  background: var(--cream);
  border-radius: 2px;
  border: 1px dashed var(--line);
}

.interview-card {
  background: var(--cream);
  border-radius: 2px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: transform .3s ease, box-shadow .3s ease;
  border-top: 3px solid var(--gold);
}
.interview-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  opacity: 1;
}
.interview-card .iv-thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--paper);
  position: relative;
}
.interview-card .iv-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.interview-card:hover .iv-thumb img {
  transform: scale(1.05);
}
.interview-card .iv-thumb-fallback {
  position: absolute; inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: 0.3em;
  font-weight: 500;
}
.interview-card .iv-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.interview-card .iv-date {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 10px;
}
.interview-card .iv-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.6;
  margin-bottom: 12px;
  letter-spacing: 0.04em;
  /* 3行で打ち切り */
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.interview-card .iv-excerpt {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.interview-card .iv-more {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--gold);
}
.interviews-link {
  text-align: center;
  margin-top: 20px;
}
.interviews-link a {
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--navy);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
  transition: color .2s;
}
.interviews-link a:hover {
  color: var(--gold);
  opacity: 1;
}

/* =============================================================
   MEMBERS（三役＋集合写真）
   ============================================================= */
.section-members { background: var(--white); }

/* 三役カードグリッド */
.leaders-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 880px;
  margin: 40px auto 56px;
}
.leader-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 36px 24px 28px;
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.leader-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(11, 43, 92, 0.12);
}

.leader-photo {
  width: 144px;
  height: 144px;
  margin: 0 auto 22px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--paper);
  border: 3px solid var(--gold);
  position: relative;
}
.leader-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.leader-photo-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--navy), var(--navy-deep));
  color: var(--gold-soft);
  font-family: var(--font-serif);
  font-size: 56px;
  font-weight: 600;
  display: none;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}

.leader-role {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 6px;
}
.leader-name {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}
.leader-company {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.7;
}

/* 集合写真プレースホルダー */
.leaders-groupshot {
  max-width: 960px;
  margin: 0 auto 36px;
}
.groupshot-placeholder {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #F4EFE4, #E8DFCB);
  border: 2px dashed rgba(201, 162, 74, 0.4);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
}
.groupshot-mark {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold-deep);
  margin-bottom: 16px;
}
.groupshot-caption {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  margin-bottom: 10px;
  letter-spacing: 0.08em;
}
.groupshot-note {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.06em;
}
.groupshot-fig {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--ink-mute);
  margin-top: 14px;
  letter-spacing: 0.08em;
}

.members-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 40px;
  letter-spacing: 0.06em;
}

@media (max-width: 768px) {
  .leaders-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 360px;
  }
  .leader-photo {
    width: 120px;
    height: 120px;
  }
  .leader-photo-placeholder {
    font-size: 44px;
  }
}

/* =============================================================
   SPONSORS
   ============================================================= */
.section-sponsors { background: var(--white); }
.sponsors-tiers {
  max-width: 820px;
  margin: 0 auto;
}
.sponsors-loading {
  text-align: center;
  padding: 40px;
  color: var(--ink-mute);
  font-size: 14px;
}

.sponsor-tier {
  margin-bottom: 50px;
}
.sponsor-tier-header {
  text-align: center;
  margin-bottom: 24px;
}
.sponsor-tier-label {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.4em;
  font-weight: 500;
  margin-bottom: 8px;
}
.sponsor-tier-name {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  font-weight: 600;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.sponsor-tier-desc {
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.sponsor-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.sponsor-card {
  background: var(--cream);
  padding: 28px 26px;
  border-radius: 2px;
  border-top: 3px solid var(--line);
}
.sponsor-card .s-company {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.5;
}
.sponsor-card .s-person {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 10px;
  line-height: 1.7;
}
.sponsor-card .s-note {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.05em;
  padding-top: 10px;
  border-top: 1px dotted var(--line);
  line-height: 1.7;
}

.sponsor-empty {
  text-align: center;
  padding: 30px;
  background: var(--paper);
  color: var(--ink-mute);
  font-size: 13px;
  letter-spacing: 0.05em;
  border-radius: 2px;
  border: 1px dashed var(--line);
}

.sponsors-note {
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 40px;
  letter-spacing: 0.06em;
}

/* =============================================================
   ACTIVITIES
   ============================================================= */
.section-activities { background: var(--white); }
.activities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 24px;
}
.activity-card {
  background: var(--cream);
  padding: 40px 30px;
  border-radius: 2px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.activity-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow);
}
.activity-num {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.2em;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.activity-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 10px;
}
.activity-when {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}
.activity-card p:last-child {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.95;
  text-align: left;
}

/* =============================================================
   NUMBERS
   ============================================================= */
.section-numbers { background: var(--paper); }
.numbers-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 24px;
}
.number-item {
  text-align: center;
  padding: 36px 16px;
  background: var(--white);
  border-radius: 2px;
}
.number-item .num {
  font-family: var(--font-display);
  font-size: clamp(40px, 5.5vw, 56px);
  font-weight: 600;
  color: var(--gold);
  line-height: 1;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.number-item .num sup { font-size: 0.6em; }
.number-item .unit {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--navy);
  font-weight: 500;
  margin-bottom: 6px;
}
.number-item .sub {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.05em;
}

/* =============================================================
   SONG
   ============================================================= */
.section-song { background: var(--navy); color: var(--white); }
.section-song .section-eyebrow { color: var(--gold); }
.section-song .section-title { color: var(--white); }
.section-song .section-title::after { background: var(--gold); }
.section-song .section-lead { color: rgba(255,255,255,0.85); }
.section-song strong { color: var(--gold); }

.song-lyrics {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(201,162,74,0.25);
  padding: 60px 60px;
  max-width: 580px;
  margin: 0 auto;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 2.4;
  text-align: center;
  border-radius: 2px;
}
.song-meta {
  font-family: var(--font-display);
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  border-bottom: 1px dotted rgba(255,255,255,0.2);
  padding-bottom: 30px;
  margin-bottom: 30px;
  line-height: 1.9;
}
.song-section {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin: 36px 0 14px;
  font-weight: 500;
}
.song-lyrics > p:not(.song-section):not(.song-outro):not(.song-meta) {
  margin-bottom: 30px;
}
.song-lyrics > p:not(.song-section):not(.song-outro):not(.song-meta):last-child {
  margin-bottom: 0;
}
.song-outro {
  font-style: italic;
  color: var(--gold-soft);
  margin-top: 8px;
}

/* =============================================================
   MESSAGE
   ============================================================= */
.section-message { background: var(--paper); }
.message-quote {
  background: var(--white);
  padding: 70px 60px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 2.3;
  color: var(--ink);
  letter-spacing: 0.05em;
}
.message-quote p { margin-bottom: 28px; }
.message-quote footer {
  margin-top: 44px;
  text-align: right;
  border-top: 1px solid var(--line);
  padding-top: 28px;
}
.message-sign {
  font-size: 13px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.message-name {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  font-weight: 600;
  letter-spacing: 0.1em;
}

/* =============================================================
   FUTURE
   ============================================================= */
.section-future {
  background: linear-gradient(180deg, var(--white) 0%, var(--cream) 100%);
  text-align: center;
}
.slogans {
  margin: 50px 0 60px;
}
.slogan {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 26px);
  color: var(--navy);
  font-weight: 600;
  margin: 16px 0;
  letter-spacing: 0.12em;
}
.slogan:nth-child(2) { color: var(--gold-deep); }
.future-message {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--navy);
  line-height: 2.2;
  letter-spacing: 0.08em;
}

/* =============================================================
   EVENT
   ============================================================= */
.section-event { background: var(--paper); }
.event-meta {
  max-width: 520px;
  margin: 0 auto 50px;
  background: var(--white);
  padding: 40px 50px;
  border-radius: 2px;
  border-top: 2px solid var(--gold);
}
.event-meta dt {
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  font-weight: 500;
  margin-top: 18px;
}
.event-meta dt:first-child { margin-top: 0; }
.event-meta dd {
  font-family: var(--font-serif);
  font-size: 17px;
  color: var(--navy);
  font-weight: 500;
  margin-top: 4px;
  padding-bottom: 18px;
  border-bottom: 1px dotted var(--line);
  letter-spacing: 0.05em;
}
.event-meta dd:last-child { border-bottom: none; padding-bottom: 0; }
.event-note {
  text-align: center;
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 2;
}
.event-contact {
  color: var(--navy);
  font-weight: 600;
}

/* =============================================================
   GALLERY
   ============================================================= */
.section-gallery { background: var(--white); }

/* 公開前プレースホルダー */
.gallery-coming-soon {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
  padding: 70px 40px;
  background: var(--cream);
  border: 1px dashed var(--gold-soft);
  border-radius: 2px;
}
.coming-mark {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 28px;
  font-weight: 500;
}
.coming-title {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--navy);
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
}
.coming-note {
  font-size: 14px;
  line-height: 2.1;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

/* ギャラリーグリッド */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  cursor: pointer;
  background: var(--paper);
  aspect-ratio: 4 / 3;
  box-shadow: var(--shadow);
  transition: transform .35s ease, box-shadow .35s ease;
}
.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 14px 40px rgba(11,43,92,0.18);
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.gallery-item:hover img {
  transform: scale(1.04);
}
.gallery-item figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 12px 16px;
  background: linear-gradient(transparent, rgba(11,43,92,0.85));
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.05em;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .3s, transform .3s;
}
.gallery-item:hover figcaption {
  opacity: 1;
  transform: translateY(0);
}
.gallery-credit {
  text-align: center;
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  margin-top: 30px;
}

/* =============================================================
   LIGHTBOX
   ============================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(6,26,61,0.95);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  backdrop-filter: blur(6px);
}
.lightbox.is-open {
  display: flex;
  animation: lightboxFadeIn .3s ease;
}
@keyframes lightboxFadeIn {
  from { opacity: 0; } to { opacity: 1; }
}
.lightbox-inner {
  max-width: 1100px;
  max-height: calc(100vh - 120px);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.lightbox-inner img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
#lightbox-caption {
  color: var(--white);
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-align: center;
}
.lightbox-close,
.lightbox-prev,
.lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(201,162,74,0.3);
  color: var(--white);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 24px;
  cursor: pointer;
  transition: background .2s, transform .2s;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-family: 'Helvetica Neue', sans-serif;
}
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev  { left: 24px;  top: 50%; transform: translateY(-50%); }
.lightbox-next  { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-close:hover,
.lightbox-prev:hover,
.lightbox-next:hover {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.lightbox-prev:hover, .lightbox-next:hover {
  transform: translateY(-50%) scale(1.08);
}
@media (max-width: 540px) {
  .lightbox-prev, .lightbox-next { width: 40px; height: 40px; font-size: 20px; }
  .lightbox-close { width: 40px; height: 40px; font-size: 20px; top: 16px; right: 16px; }
}

/* =============================================================
   FOOTER
   ============================================================= */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255,255,255,0.7);
  padding: 70px 24px 36px;
  text-align: center;
}
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-logo {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold);
  margin-bottom: 10px;
  letter-spacing: 0.12em;
  font-weight: 500;
}
.footer-meta {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.25em;
  margin-bottom: 36px;
}
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 13px;
  letter-spacing: 0.06em;
  font-family: var(--font-sans);
}
.footer-copy {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.4);
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* =============================================================
   RESPONSIVE
   ============================================================= */
@media (max-width: 768px) {
  .section { padding: 80px 20px; }
  .hero { min-height: 90vh; padding: 50px 20px; }
  .hero-subnote { font-size: 13px; }
  .timeline::before { left: 50px; }
  .timeline-item { padding-left: 80px; }
  .timeline-item::before { left: 45px; }
  .timeline-year { width: 35px; font-size: 12px; }
  .phase-card { padding: 36px 28px; }
  .phase-years { font-size: 18px; }
  .phase-name { font-size: 20px; }
  .message-quote { padding: 40px 28px; font-size: 15px; }
  .song-lyrics { padding: 40px 28px; font-size: 14px; }
  .event-meta { padding: 30px 30px; }
  .footer-nav { gap: 18px; }
}
@media (max-width: 540px) {
  .hero-title-jp { font-size: 16px; letter-spacing: 0.15em; }
  .hero-title-sub { font-size: 32px; letter-spacing: 0.1em; }
  /* スマホは折り返すと縦に伸びすぎるため、1行の横スクロールに戻す。
     justify-content は flex-start（centerだと先頭が見切れてスクロールできない） */
  .anchor-nav ul {
    justify-content: flex-start;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 0 8px;
  }
  .anchor-nav a { padding: 13px 12px; font-size: 12px; }
  .chairmen-grid { grid-template-columns: 1fr; }
  .timeline-content h3 { font-size: 15px; }
  .song-lyrics { padding: 30px 20px; font-size: 13px; line-height: 2.2; }
}


/* ===================== GREETINGS（祝辞・記念寄稿） ===================== */
.section-greetings { background: var(--paper); }
.greetings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
  margin-top: 40px;
  align-items: start;
}
.greeting-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 26px 26px 24px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
}
.greeting-head { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.greeting-photo { position: relative; width: 76px; height: 76px; flex: 0 0 76px; }
.greeting-photo img {
  width: 76px; height: 76px; border-radius: 50%; object-fit: cover;
  border: 2px solid var(--gold-soft);
}
.greeting-photo-ph {
  display: none; width: 76px; height: 76px; border-radius: 50%;
  align-items: center; justify-content: center;
  background: var(--cream); color: var(--gold-deep);
  font-family: var(--font-serif); font-size: 30px; font-weight: 600;
  border: 2px solid var(--gold-soft);
}
.greeting-meta { min-width: 0; }
.greeting-affil { font-size: 12.5px; color: var(--ink-mute); line-height: 1.5; margin: 0 0 4px; }
.greeting-name {
  font-family: var(--font-serif); font-size: 19px; font-weight: 600;
  color: var(--navy); margin: 0; line-height: 1.35;
}
.greeting-hon { font-size: 14px; color: var(--ink-soft); font-weight: 500; }
.greeting-body p {
  font-size: 14.5px; line-height: 1.95; color: var(--ink-soft);
  margin: 0 0 12px; text-align: justify;
}
.greeting-body p:last-child { margin-bottom: 0; }
@media (max-width: 720px) {
  .greetings-grid { grid-template-columns: 1fr; gap: 18px; }
  .greeting-card { padding: 20px; }
}

/* ---------- Activities: 集合写真 ---------- */
.activity-photo {
  margin: 46px auto 0;
  max-width: 940px;
}
.activity-photo img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(6, 26, 61, 0.10);
}
.activity-photo figcaption {
  margin-top: 14px;
  text-align: center;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  color: var(--navy);
  opacity: 0.82;
}
@media (max-width: 640px) {
  .activity-photo { margin-top: 32px; }
  .activity-photo figcaption { font-size: 0.84rem; }
}

/* ---------- Future: 結び本文（記念誌 次の20年へ） ---------- */
.future-body {
  text-align: left;
  max-width: 720px;
  margin: 40px auto 8px;
}
.future-body p {
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.8vw, 17px);
  line-height: 2.1;
  color: var(--ink);
  letter-spacing: 0.04em;
  margin-bottom: 22px;
}
.future-body .future-tagline {
  text-align: center;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.1em;
  margin: 34px 0 0;
}
.future-sign {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  margin-top: 40px;
}
@media (max-width: 640px) {
  .future-body p { line-height: 2.0; }
}

/* ---------- 祝辞：クリックで本文開閉 ---------- */
.greeting-card { cursor: pointer; transition: box-shadow .25s ease, transform .25s ease; }
.greeting-card:hover { box-shadow: 0 14px 34px rgba(11,43,92,0.13); transform: translateY(-2px); }
.greeting-card:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
/* JSが付与した is-collapsible のときだけ折りたたむ（no-JS時は全文表示）

   ※ 高さのアニメーションは行わない。
     このカードは grid item（.greetings-grid）かつ flex column で、
     本文は flex item にあたる。この条件では
       - grid-template-rows: 0fr→1fr は 0 のまま止まる
       - height に px を指定しても 0 に潰される（flex basis の解決順の問題）
     という挙動になり、Chrome で開かなくなる。
     height:0 ⇔ height:auto の切り替えだけが確実に動くため、この方式にしている。 */
.greeting-card.is-collapsible .greeting-body {
  overflow: hidden;
  height: 0;
  flex-shrink: 0;
}
.greeting-card.is-collapsible.is-open .greeting-body {
  height: auto;
  overflow: visible;
}

.greeting-toggle {
  margin-top: 16px;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--gold-deep);
  user-select: none;
}
.greeting-toggle::before {
  content: "＋";
  display: inline-block;
  width: 20px; height: 20px;
  line-height: 18px; text-align: center;
  border: 1px solid var(--gold);
  border-radius: 50%;
  font-size: 12px;
  color: var(--gold-deep);
  transition: background .2s ease, color .2s ease;
}
.greeting-card:hover .greeting-toggle::before { background: var(--gold); color: #fff; }
.greeting-card.is-open .greeting-toggle::before { content: "−"; }

/* ---------- 会員紹介：現役会員 集合写真 ---------- */
.groupshot-photo {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(11, 43, 92, 0.12);
}

/* ---------- Song of Yushima：動画 ---------- */
.song-video { max-width: 720px; margin: 40px auto 10px; }
.song-video-player {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid rgba(201,162,74,0.45);
  box-shadow: 0 14px 40px rgba(0,0,0,0.4);
  background: #000;
  display: block;
}
.song-video-cap {
  text-align: center;
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold-soft);
  margin-top: 14px;
}

/* =============================================================
   SPECIAL TRIBUTE：長谷相談役
   ============================================================= */
.section-hase {
  background: linear-gradient(160deg, var(--navy-deep) 0%, var(--navy) 60%, #0E346B 100%);
  position: relative;
  overflow: hidden;
}
.section-hase::before {
  content: "";
  position: absolute;
  top: -120px; right: -120px;
  width: 380px; height: 380px;
  background: radial-gradient(circle, rgba(201,162,74,0.16) 0%, rgba(201,162,74,0) 70%);
  pointer-events: none;
}
.section-hase .section-eyebrow { color: var(--gold-soft); }
.section-hase .section-title  { color: var(--white); }
.section-hase .section-title::after { background: var(--gold); }
.section-hase .section-lead   { color: rgba(255,255,255,0.72); }

.hase-card {
  max-width: 620px;
  margin: 20px auto 0;
  text-align: center;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(201,162,74,0.28);
  border-radius: 4px;
  padding: 54px 48px;
}
.hase-photo {
  width: 176px; height: 176px;
  margin: 0 auto 22px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--navy-deep);
  border: 3px solid var(--gold);
  box-shadow: 0 10px 34px rgba(0,0,0,0.35);
  position: relative;
}
.hase-photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hase-photo-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #123a72, var(--navy-deep));
  color: var(--gold-soft);
  font-family: var(--font-serif);
  font-size: 72px; font-weight: 600;
  display: none;
  align-items: center; justify-content: center;
}
.hase-role {
  font-family: var(--font-display);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 8px;
}
.hase-name {
  font-family: var(--font-serif);
  font-size: 26px; font-weight: 600;
  color: var(--white);
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}
.hase-name .hase-yomi {
  display: block;
  font-size: 12px; font-weight: 400;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.55);
  margin-top: 8px;
}
.hase-lead-quote {
  font-family: var(--font-serif);
  font-size: 23px; font-weight: 500;
  line-height: 1.7;
  color: var(--gold-soft);
  letter-spacing: 0.04em;
  margin: 6px 0 22px;
}
.hase-intro {
  font-family: var(--font-serif);
  font-size: 14.5px;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  letter-spacing: 0.03em;
  margin-bottom: 30px;
}
.hase-interview-link {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold-soft);
  text-decoration: none;
  padding: 11px 26px;
  border: 1px solid rgba(201,162,74,0.55);
  border-radius: 2px;
  transition: background .25s, color .25s;
}
.hase-interview-link:hover {
  background: var(--gold);
  color: var(--navy-deep);
  border-color: var(--gold);
}
.hase-message {
  max-width: 760px;
  margin: 48px auto 0;
  background: var(--cream);
  border-radius: 4px;
  padding: 60px 56px;
  position: relative;
}
.hase-message::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  pointer-events: none;
}
.hase-message-title {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 21px; font-weight: 600;
  color: var(--gold-deep);
  letter-spacing: 0.14em;
  margin-bottom: 34px;
}
.hase-message p:not(.hase-message-title) {
  font-family: var(--font-serif);
  font-size: 15.5px;
  line-height: 2.35;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 22px;
}
.hase-message footer {
  margin-top: 34px;
  text-align: right;
  border-top: 1px solid var(--line);
  padding-top: 24px;
}
.hase-message-sign { font-size: 13px; color: var(--ink-soft); margin-bottom: 6px; }
.hase-message-name {
  font-family: var(--font-serif);
  font-size: 21px; font-weight: 600;
  color: var(--navy);
  letter-spacing: 0.1em;
}

@media (max-width: 768px) {
  .hase-card { padding: 40px 24px; }
  .hase-intro .pc-only { display: none; }
  .hase-lead-quote { font-size: 21px; }
  .hase-message { padding: 44px 26px; }
  .hase-message-title { font-size: 19px; }
}
@media (max-width: 540px) {
  .hase-photo { width: 150px; height: 150px; }
  .hase-name { font-size: 23px; }
  .hase-message p:not(.hase-message-title) { font-size: 14.5px; }
}

/* ===================== フォトバンド（セクション間の全幅写真帯） ===================== */
.photoband {
  position: relative;
  margin: 0;
  height: 420px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.photoband::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg,
    rgba(6,26,61,0.30) 0%,
    rgba(6,26,61,0.06) 42%,
    rgba(6,26,61,0.74) 100%);
}
.photoband-caption {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px 36px;
  color: var(--white);
}
.photoband-caption .pb-en {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-soft);
}
.photoband-caption .pb-jp {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 16px rgba(0,0,0,0.5);
}
.photoband--hall   { background-image: url('images/band_hall.jpg?v=20260811');   background-position: center 45%; }
.photoband--song   { background-image: url('images/band_song.jpg?v=20260811');   background-position: center 40%; }
.photoband--finale { background-image: url('images/band_finale.jpg?v=20260811'); background-position: center 40%; }

/* ===================== 会長メッセージの写真 ===================== */
.message-figure {
  margin: 0 auto 44px;
  max-width: 320px;
  text-align: center;
}
.message-figure img {
  width: 100%;
  height: auto;
  display: block;
  box-shadow: var(--shadow);
}
.message-figure figcaption {
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ink-mute);
}

/* ===================== 記念祝賀会セクションの写真 ===================== */
.event-photos {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 840px;
  margin: 0 auto 46px;
}
.event-photos figure { margin: 0; }
.event-photos img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  box-shadow: var(--shadow);
}
.event-photos figcaption {
  margin-top: 10px;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--ink-mute);
  text-align: center;
}

@media (max-width: 768px) {
  .photoband { height: 260px; }
  .photoband-caption { padding: 0 20px 26px; }
  .photoband-caption .pb-jp { font-size: 1.05rem; }
  .event-photos { grid-template-columns: 1fr; gap: 22px; max-width: 380px; }
  .message-figure { max-width: 260px; }
}

/* キャプション非表示運用：空のときは余白を作らない */
#lightbox-caption:empty { display: none; }
.gallery-item figcaption:empty { display: none; }