/* ===== main.css ===== */
/* JSCMM 2027 - Main Stylesheet - BUILD:20260625C */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-x: hidden; width: 100%; color-scheme: light; }
[id] { scroll-margin-top: 92px; }
a, button { touch-action: manipulation; }
.hero-title, .sec-title, .intro-theme, .page-hero-title, .greeting-theme-heading { text-wrap: balance; }
.news-date { font-variant-numeric: tabular-nums; }
body {
  font-family: 'Noto Sans JP', sans-serif;
  background: #fff;
  color: #1C2333;
  font-size: 18px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
 overflow-x: hidden; width: 100%; max-width: 100%; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

:root {
  --ac: #6B1F2A;
  --ac2: #8B2535;
  --gold: #B8963E;
  --gold-light: #F5EED6;
  --dark: #1C2333;
  --mid: #3D4A5C;
  --mute: #55606E;
  --pale: #F8F7F5;
  --border-n: rgba(28,35,51,0.10);
  --max: 1200px;
  --radius: 12px;
  --radius-sm: 8px;
  --nav-h: 72px;
}

/* ── フォーカス可視化：キーボード操作時のみ（マウスでは出さない） ── */
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.nav-dropdown a:focus-visible, .mobile-menu a:focus-visible { outline-offset: -2px; }

/* ── モーション低減の設定を尊重 ── */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .pnc:hover { transform: none; }
}

/* ── HEADER ── */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 300;
  background: rgba(10,10,15,0.90);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.nav-bar {
  display: flex; align-items: center;
  height: var(--nav-h); padding: 0 48px; gap: 0;
}
.nav-logo { flex-shrink: 0; margin-right: auto; }
.nav-logo .logo-en {
  font-family: 'EB Garamond', serif;
  font-size: 11px; letter-spacing: 0.16em; color: rgba(255,255,255,0.42); text-transform: uppercase;
}
.nav-logo .logo-ja { font-size: 16px; font-weight: 500; color: #fff; line-height: 1.25; }
.nav-main { display: flex; align-items: stretch; gap: 0; list-style: none; flex-wrap: nowrap; }
.nav-item { position: relative; display: flex; align-items: stretch; }
.nav-item > a, .nav-trigger {
  display: flex; align-items: center; gap: 5px;
  font-size: 15px; color: rgba(255,255,255,0.82);
  padding: 0 18px; white-space: nowrap;
  letter-spacing: 0.02em; transition: color .15s;
  background: none; border: none; cursor: pointer; height: 100%;
  font-family: 'Noto Sans JP', sans-serif;
}
.nav-item > a:hover, .nav-trigger:hover { color: var(--gold); }
.nav-item.is-open > .nav-trigger { color: var(--gold); }
.nav-trigger-arrow {
  font-size: 9px; color: rgba(255,255,255,0.38);
  transition: transform .2s, color .15s; display: inline-block;
}
.nav-item.is-open .nav-trigger-arrow { transform: rotate(180deg); color: var(--gold); }
.nav-dropdown {
  position: absolute; top: var(--nav-h); left: 50%;
  transform: translateX(-50%);
  min-width: 230px; opacity: 0; pointer-events: none;
  transition: opacity .18s; z-index: 400;
}
.nav-dropdown.is-open { opacity: 1; pointer-events: auto; }
.nav-dropdown-inner {
  background: rgba(12,12,18,0.97);
  border: 0.5px solid rgba(255,255,255,0.12);
  border-top: 2px solid var(--gold);
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 8px 0 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.45);
}
.nav-dropdown a {
  display: block; font-size: 15px; color: rgba(255,255,255,0.75);
  padding: 11px 26px; white-space: nowrap;
  letter-spacing: 0.02em; transition: color .12s, background .12s;
}
.nav-dropdown a:hover { color: var(--gold); background: rgba(255,255,255,0.05); }
.nav-dropdown-label {
  font-size: 10px; letter-spacing: 0.14em; color: var(--gold);
  text-transform: uppercase; padding: 14px 26px 8px;
  border-bottom: 0.5px solid rgba(255,255,255,0.08); margin-bottom: 4px;
}
.nav-right { display: flex; align-items: center; gap: 16px; margin-left: 20px; }
.nav-cta {
  background: var(--ac); color: #fff;
  font-size: 15px; font-weight: 500;
  padding: 10px 24px; border-radius: 22px;
  letter-spacing: 0.02em; transition: background .15s; white-space: nowrap;
}
.nav-cta:hover { background: var(--ac2); }
.nav-gold-line { height: 2px; background: var(--gold); }

/* ── HAMBURGER ── */
.nav-hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; padding: 6px; background: none; border: none;
}
.nav-hamburger span { display: block; width: 26px; height: 2px; background: #fff; border-radius: 2px; transition: transform .25s, opacity .25s; }
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── MOBILE DRAWER ── */
.mobile-menu {
  display: none !important;
  position: fixed !important;
  top: 0 !important; left: 0 !important; right: 0 !important; bottom: 0 !important;
  z-index: 290;
  background: rgba(8,8,12,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 96px 36px 40px;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-menu.open {
  display: flex !important;
}
.mobile-section-label {
  font-size: 11px; letter-spacing: 0.14em; color: var(--gold);
  text-transform: uppercase; margin: 24px 0 8px;
  padding-bottom: 8px; border-bottom: 0.5px solid rgba(255,255,255,0.10);
}
.mobile-section-label:first-child { margin-top: 0; }
.mobile-menu a {
  font-size: 18px; color: rgba(255,255,255,0.82);
  padding: 13px 0; border-bottom: 0.5px solid rgba(255,255,255,0.06);
  letter-spacing: 0.02em; transition: color .15s;
}
.mobile-menu a:hover { color: var(--gold); }
/* 参加登録（モバイルドロワーの先頭ボタン） */
.mobile-menu .mobile-regist {
  display: block; background: var(--ac); color: #fff; text-align: center;
  padding: 15px 16px; border: none; border-bottom: none; border-radius: 2px;
  font-size: 17px; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 12px;
}
.mobile-menu .mobile-regist:hover { color: #fff; background: var(--ac2); }
.mobile-menu .mobile-regist.is-regist-off { background: var(--mid); }
.footer-regist-off { display: block; font-size: 14px; color: rgba(255,255,255,0.3); padding: 5px 0; line-height: 1.4; cursor: default; }
.mobile-cta {
  margin-top: 24px !important; background: var(--ac); color: #fff !important;
  text-align: center; padding: 16px !important; border-radius: var(--radius-sm);
  border-bottom: none !important; font-size: 18px !important; font-weight: 500;
}

/* ── HERO ── */
.hero {
  position: relative; width: 100%;
  margin-top: 74px;
  height: clamp(460px, 52vw, 640px);
  overflow: hidden; background: #16120e;
}
.hero-img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center 15%;
}
.hero picture { display: contents; }
.hero-img-wide { display: block; }
.hero-img-tall { display: none; width: 100%; object-fit: cover; object-position: center 15%; }
.hero-overlay-grad {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 58% 44% at 50% 31%, rgba(249,245,236,0.60) 0%, rgba(249,245,236,0.18) 46%, rgba(249,245,236,0) 72%),
    linear-gradient(to bottom, rgba(10,10,15,0.26) 0%, rgba(10,10,15,0.02) 28%, rgba(10,10,15,0.0) 50%, rgba(10,10,15,0.66) 100%);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: flex-start;
  padding-top: clamp(48px, 6vw, 88px);
  text-align: center; padding-left: 24px; padding-right: 24px;
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 14px; margin-bottom: 18px;
}
.hero-eyebrow-line { width: 32px; height: 1px; background: var(--gold); }
.hero-eyebrow span {
  font-family: 'EB Garamond', serif;
  font-size: 12px; letter-spacing: 0.1em; color: var(--gold);
}
.hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(30px, 4.7vw, 62px);
  font-weight: 600; line-height: 1.3; color: #1C2333;
  letter-spacing: -0.025em; margin-bottom: 16px;
  text-shadow: 0 1px 20px rgba(255,255,255,0.80);
}
.hero-title-br { display: none; }
.hero-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(16px, 1.9vw, 26px);
  font-weight: 500; color: #2E3A4D;
  line-height: 1.7; letter-spacing: 0.05em; margin-bottom: 18px;
  text-shadow: 0 1px 14px rgba(255,255,255,0.85);
}
.hero-meta-info {
  display: flex; gap: 28px; justify-content: center; flex-wrap: wrap;
  margin-bottom: 24px;
}
.hero-meta-info-item { display: flex; align-items: baseline; gap: 7px; }
.hero-meta-info-item .hmi-label {
  font-size: 11px; letter-spacing: 0.10em; color: rgba(80,55,20,0.7); text-transform: uppercase;
}
.hero-meta-info-item .hmi-value {
  font-size: 15px; font-weight: 500; color: var(--dark);
  text-shadow: 0 1px 12px rgba(255,255,255,0.8);
}
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.btn-p {
  background: var(--ac); color: #fff;
  padding: 13px 32px; border-radius: 26px;
  font-size: 15px; letter-spacing: 0.02em; transition: background .15s;
}
.btn-p:hover { background: var(--ac2); }
.btn-s {
  background: rgba(255,255,255,0.88);
  border: 0.5px solid rgba(0,0,0,0.12); color: var(--dark);
  padding: 13px 32px; border-radius: 26px;
  font-size: 15px; letter-spacing: 0.02em; transition: background .15s;
}
.btn-s:hover { background: #fff; }
/* ヒーロー: 参加登録（主CTA）＋開催概要（副CTA） */
.hero-cta { display: flex; flex-direction: row; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px; }
.btn-hero {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ac); color: #fff;
  padding: 15px 34px; border-radius: 2px;
  font-size: 15px; letter-spacing: 0.04em; font-weight: 500;
  box-shadow: 0 10px 30px -12px rgba(107,31,42,0.65);
  transition: background .18s, box-shadow .18s, transform .18s;
}
.btn-hero svg { width: 15px; height: 15px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: transform .2s; }
.btn-hero:hover { background: var(--ac2); box-shadow: 0 14px 34px -12px rgba(107,31,42,0.7); }
.btn-hero:hover svg { transform: translateX(4px); }
/* ヒーロー副CTA（開催概要） */
.btn-hero-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.9); border: 0.5px solid rgba(0,0,0,0.14); color: var(--dark);
  padding: 15px 30px; border-radius: 2px;
  font-size: 15px; letter-spacing: 0.04em; font-weight: 500;
  transition: background .18s, box-shadow .18s;
}
.btn-hero-ghost:hover { background: #fff; box-shadow: 0 12px 30px -16px rgba(28,35,51,0.55); }
/* スマホ: ヒーローのボタンは縦並び＆コンパクト（人物を隠さない） */
@media (max-width: 768px) {
  .hero-cta { flex-direction: column; flex-wrap: nowrap; gap: 9px; }
  .hero-cta .btn-hero, .hero-cta .btn-hero-ghost { min-width: 208px; justify-content: center; padding: 11px 22px; font-size: 14px; }
}
/* 参加登録URL未設定時の無効表示（共通） */
.is-regist-off { opacity: 0.6; cursor: not-allowed; pointer-events: none; }
.hero-note {
  font-size: 12.5px; letter-spacing: 0.06em; color: rgba(60,45,30,0.72);
  text-shadow: 0 1px 10px rgba(249,245,236,0.9);
}

/* ── STRIP ── */
.strip { border-top: 0.5px solid var(--border-n); border-bottom: 0.5px solid var(--border-n); }
.strip-inner { display: grid; grid-template-columns: repeat(4,1fr); max-width: var(--max); margin: 0 auto; }
.strip-cell { padding: 36px 44px; border-right: 0.5px solid var(--border-n); }
.strip-cell:last-child { border-right: none; }
.strip-cell .sl { font-size: 10.5px; letter-spacing: 0.14em; color: var(--mute); text-transform: uppercase; margin-bottom: 11px; }
.strip-cell .sv { font-family: 'Noto Serif JP', serif; font-size: 19px; font-weight: 600; color: var(--dark); margin-bottom: 5px; line-height: 1.35; letter-spacing: -0.01em; }
.strip-cell .ss { font-size: 13px; color: var(--mute); line-height: 1.6; }

/* ── INTRO ── */
.intro { background: var(--pale); border-bottom: 0.5px solid var(--border-n); }
.intro-inner {
  max-width: var(--max); margin: 0 auto; padding: clamp(64px, 7vw, 100px) 48px;
  display: grid; grid-template-columns: 1fr 2px 1fr; gap: clamp(44px, 5vw, 72px); align-items: center;
}
.intro-divider { align-self: stretch; background: linear-gradient(to bottom, rgba(184,150,62,0) 0%, rgba(184,150,62,0.5) 50%, rgba(184,150,62,0) 100%); }
.intro-label { font-size: 11px; letter-spacing: 0.14em; color: var(--gold); text-transform: uppercase; margin-bottom: 10px; }
.intro-theme {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(22px, 2.2vw, 30px); font-weight: 600; color: var(--dark);
  line-height: 1.5; letter-spacing: -0.015em; margin-bottom: 6px;
}
.intro-right p { font-size: 16px; color: var(--mid); line-height: 2.0; }
.intro-right p + p { margin-top: 16px; }

/* ── SECTION ── */
.sec { padding: clamp(74px, 9vw, 120px) 0; }
.sec-pale { background: var(--pale); }
.sec-inner { max-width: var(--max); margin: 0 auto; padding: 0 48px; }
.sec-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: clamp(36px, 4vw, 54px); }
.sec-label { font-size: 11px; letter-spacing: 0.14em; color: var(--gold); text-transform: uppercase; font-weight: 500; margin-bottom: 6px; }
.sec-title { font-family: 'Noto Serif JP', serif; font-size: clamp(25px, 2.6vw, 37px); font-weight: 600; color: var(--dark); line-height: 1.38; letter-spacing: -0.02em; }
.sec-more { font-size: 14px; color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); padding-bottom: 2px; white-space: nowrap; }
.sec-more:hover { border-color: var(--ac); }

/* ── NEWS ── */
.news-list { border-top: 0.5px solid var(--border-n); }
.news-item {
  display: grid; grid-template-columns: 116px 90px 1fr;
  gap: 22px; align-items: baseline;
  padding: 18px 0; border-bottom: 0.5px solid var(--border-n);
}
.news-date { font-size: 14px; color: var(--mute); }
.news-tag { font-size: 12px; color: var(--mid); background: transparent; border: 0.5px solid var(--border-n); padding: 2px 10px; border-radius: 2px; text-align: center; white-space: nowrap; letter-spacing: 0.02em; }
.news-tag.gold { color: #8C6B1C; border-color: rgba(140,107,28,0.45); background: transparent; }
.news-text { font-size: 16px; color: var(--dark); line-height: 1.7; }
.news-text a { color: var(--dark); border-bottom: 0.5px solid rgba(107,31,42,0.32); transition: color .15s, border-color .15s; }
.news-text a:hover { color: var(--ac); border-color: var(--ac); }

/* ── VIDEO ── */
.video-wrap { max-width: 900px; margin: 0 auto; text-align: center; }
.video-responsive { position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; border-radius: var(--radius); background: #000; box-shadow: 0 4px 32px rgba(0,0,0,0.12); }
.video-responsive iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.video-caption { margin-top: 12px; font-size: 13px; color: var(--mute); text-align: center; line-height: 1.7; }
#prev-congress { padding-bottom: 40px; }

/* ── PAGE NAV CARDS ── */
.pagenav-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; }
.pnc {
  display: block;
  border: 0.5px solid var(--border-n); border-left: 2px solid transparent; border-radius: 2px;
  padding: 22px 24px; background: #fff;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.pnc:hover { border-color: rgba(184,150,62,0.5); border-left-color: var(--ac); box-shadow: 0 10px 34px -22px rgba(28,35,51,0.4); background: #fffdf8; }
.pnc:hover .pnc-title { color: var(--ac); }
.pnc-regist { grid-column: 1 / -1; background: var(--ac); border-color: var(--ac); align-items: center; padding: 20px 28px; }
.pnc-regist:hover { background: var(--ac2); border-color: var(--ac2); transform: translateY(-2px); }
.pnc-icon { width: 40px; height: 40px; border-radius: 3px; background: var(--pale); flex-shrink: 0; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.pnc:hover .pnc-icon { background: var(--gold-light); }
.pnc-icon svg { width: 19px; height: 19px; stroke: var(--gold); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.pnc-regist .pnc-icon { background: rgba(255,255,255,0.18); }
.pnc-regist .pnc-icon svg { stroke: #fff; }
.pnc-body { flex: 1; min-width: 0; }
.pnc-title { font-family: 'Noto Serif JP', serif; font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 6px; line-height: 1.45; letter-spacing: -0.01em; transition: color .2s; }
.pnc-regist .pnc-title { color: #fff; font-size: 18px; }
.pnc-desc { font-size: 13px; color: var(--mid); line-height: 1.75; }
.pnc-regist .pnc-desc { color: rgba(255,255,255,0.78); font-size: 13px; }
.pnc-arrow { font-size: 16px; color: var(--mute); margin-left: auto; flex-shrink: 0; align-self: center; transition: transform .2s, color .2s; }
.pnc-regist .pnc-arrow { color: rgba(255,255,255,0.75); font-size: 20px; }
.pnc-badge { display: inline-block; margin-top: 6px; background: rgba(255,255,255,0.2); color: #fff; font-size: 11px; padding: 2px 12px; border-radius: 10px; border: 0.5px solid rgba(255,255,255,0.3); }
.pnc-inactive { opacity: 0.35; cursor: default; pointer-events: none; filter: grayscale(40%); }
.pnc-inactive .pnc-arrow { opacity: 0; }
.pnc-coming { display: inline-block; margin-top: 6px; font-size: 11px; color: var(--mute); background: var(--pale); border: 0.5px solid var(--border-n); padding: 2px 10px; border-radius: 10px; letter-spacing: 0.04em; }
.pnc-regist-inactive { background: var(--ac); border-color: var(--ac); opacity: 0.60; cursor: default; pointer-events: none; }
.pnc-badge-coming { display: inline-block; margin-top: 7px; background: rgba(255,255,255,0.18); color: #fff; font-size: 12px; padding: 3px 13px; border-radius: 12px; border: 0.5px solid rgba(255,255,255,0.3); letter-spacing: 0.03em; }
.nav-inactive { opacity: 0.38 !important; cursor: not-allowed !important; pointer-events: none !important; }
.mobile-menu a.nav-inactive { opacity: 0.35; cursor: not-allowed; pointer-events: none; }
/* ── 未公開ページ向けの無効表示（準備中） ── */
.is-disabled { opacity: 0.5 !important; cursor: not-allowed !important; pointer-events: none !important; }
.sec-more.is-disabled { color: var(--mute) !important; border-color: transparent !important; opacity: 0.8 !important; }
.is-disabled small { font-size: 0.8em; opacity: 0.95; }

/* ── SPONSORS ── */
.sponsor-tiers { display: flex; flex-direction: column; gap: 28px; }
.sponsor-tier-label { font-size: 11px; letter-spacing: 0.12em; color: var(--mute); text-transform: uppercase; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 0.5px solid var(--border-n); }
.sponsor-logos { display: flex; gap: 14px; flex-wrap: wrap; }
.sponsor-logo-box { border: 0.5px solid var(--border-n); border-radius: var(--radius-sm); background: #fff; font-size: 14px; color: var(--mute); display: flex; align-items: center; justify-content: center; padding: 16px 32px; min-width: 160px; height: 72px; }
.sponsor-logos.platinum .sponsor-logo-box { min-width: 220px; height: 96px; font-size: 16px; }
.sponsor-logos.gold-tier .sponsor-logo-box { min-width: 180px; height: 80px; }
.sponsor-cta-row { margin-top: 32px; padding: 24px 32px; background: #fff; border: 0.5px solid var(--border-n); border-radius: var(--radius); display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.sponsor-cta-row p { font-size: 15px; color: var(--mid); line-height: 1.8; }
.sponsor-cta-row a { background: var(--ac); color: #fff; padding: 11px 26px; border-radius: 20px; font-size: 15px; white-space: nowrap; flex-shrink: 0; transition: background .15s; }
.sponsor-cta-row a:hover { background: var(--ac2); }

/* ── ORGANIZER ── */
.organizer { border-top: 0.5px solid var(--border-n); padding: 44px 0; }
.organizer-inner { max-width: var(--max); margin: 0 auto; padding: 0 48px; display: flex; align-items: center; gap: 40px; flex-wrap: wrap; }
.organizer-badge { font-size: 10px; letter-spacing: 0.12em; color: var(--gold); text-transform: uppercase; margin-bottom: 7px; }
.organizer-name { font-family: 'Noto Serif JP', serif; font-size: 20px; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.organizer-name-en { font-family: 'EB Garamond', serif; font-size: 14px; color: var(--mute); letter-spacing: 0.04em; margin-bottom: 12px; }
.organizer-link { display: inline-flex; align-items: center; gap: 6px; font-size: 15px; color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); padding-bottom: 1px; }
.organizer-link:hover { border-color: var(--ac); }
.organizer-link svg { width: 13px; height: 13px; stroke: var(--ac); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

/* ── FOOTER ── */
.footer { background: #0e0e12; padding: 56px 0 0; }
.footer-inner { max-width: var(--max); margin: 0 auto; padding: 0 48px 48px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 48px; }
.footer-brand .fb-logo { font-family: 'Noto Serif JP', serif; font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 3px; }
.footer-brand .fb-en { font-family: 'EB Garamond', serif; font-size: 11px; letter-spacing: 0.10em; color: rgba(255,255,255,0.46); text-transform: uppercase; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(255,255,255,0.68); line-height: 2.0; }
.footer-col h2 { font-size: 11px; letter-spacing: 0.10em; color: rgba(255,255,255,0.46); text-transform: uppercase; margin: 0 0 14px; font-weight: 500; }
.footer-col a { display: block; font-size: 14px; color: rgba(255,255,255,0.72); padding: 5px 0; transition: color .15s; line-height: 1.4; }
.footer-col a:hover { color: var(--gold); }
/* 参加登録（フッターのボタン） */
.footer-col .footer-regist {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--ac); color: #fff;
  font-size: 14px; font-weight: 600; letter-spacing: 0.02em;
  padding: 12px 24px; border-radius: 2px; margin: 2px 0 14px;
  transition: background .15s, box-shadow .15s;
}
.footer-col .footer-regist:hover { background: var(--ac2); color: #fff; box-shadow: 0 10px 26px -14px rgba(107,31,42,0.8); }
.footer-col .footer-regist svg { width: 14px; height: 14px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.footer-bottom { border-top: 0.5px solid rgba(255,255,255,0.08); padding: 22px 48px; max-width: var(--max); margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.46); }
.footer-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--gold); display: inline-block; margin-right: 8px; }

/* ════════════════════
   RESPONSIVE - TABLET
   ════════════════════ */
@media (max-width: 1080px) {
  .nav-main { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .nav-cta { display: none; }
  .nav-bar { padding: 0 24px; }
}
@media (max-width: 900px) {
  .strip-inner { grid-template-columns: repeat(2,1fr); }
  .strip-cell:nth-child(2) { border-right: none; }
  .strip-cell:nth-child(3) { border-top: 0.5px solid var(--border-n); }
  .intro-inner { grid-template-columns: 1fr; gap: 24px; padding: 36px 24px; }
  .intro-divider { display: none; }
  .pagenav-grid { grid-template-columns: repeat(2,1fr); }
  .pnc-regist { grid-column: 1 / -1; }
  .sec-inner { padding: 0 24px; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; padding: 0 24px 40px; }
  .footer-bottom { padding: 20px 24px; }
  .organizer-inner { padding: 0 24px; }
  .sponsor-cta-row { flex-direction: column; align-items: flex-start; }
}

/* ════════════════════
   RESPONSIVE - MOBILE
   ════════════════════ */
@media (max-width: 768px) {
  /* ヒーロー: 縦長画像に切り替え */
  .hero-img-wide { display: none; }
  .hero-img-tall { display: block; position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 8%; }
  .hero { height: 112vw; min-height: 460px; max-height: 680px; }

  /* ヒーロー: グラデーション上寄り */
  .hero-overlay-grad {
    display: block;
    background: linear-gradient(to bottom, rgba(230,215,190,0.08) 0%, rgba(230,215,190,0.04) 50%, rgba(10,10,15,0.0) 100%);
  }

  /* ヒーロー: eyebrow非表示・上部配置 */
  .hero-eyebrow { display: none; }
  .hero-overlay { padding: 5% 20px 0; }

  /* ヒーロー: タイトルスタイル */
  .hero-title {
    white-space: normal;
    font-size: clamp(20px, 6vw, 30px);
    color: var(--dark);
    text-shadow: 0 1px 16px rgba(240,228,200,0.95), 0 0 40px rgba(240,228,200,0.8);
    margin-bottom: 6px; line-height: 1.45;
  }
  .hero-title-br { display: block; }
  .hero-sub { font-size: 13px; color: var(--mid); text-shadow: 0 1px 10px rgba(240,228,200,0.95); margin-bottom: 10px; }
  /* スマホ: ボタンを会期/会場より上に出して人物の顔を避ける */
  .hero-cta { order: 1; margin-bottom: 14px; }
  .hero-meta-info { order: 2; flex-direction: column; gap: 3px; margin-bottom: 0; }
  .hero-meta-info-item .hmi-label { font-size: 10px; color: rgba(80,55,20,0.65); }
  .hero-meta-info-item .hmi-value { font-size: 13px; color: var(--dark); text-shadow: 0 1px 10px rgba(240,228,200,0.9); }
  .hero-btns { justify-content: center; }
  .btn-p { font-size: 14px; padding: 11px 24px; }
  .btn-s { background: rgba(255,255,255,0.80); color: var(--dark); font-size: 14px; padding: 11px 24px; border-color: rgba(0,0,0,0.12); }

  /* その他 */
  .strip-inner { grid-template-columns: 1fr; }
  .strip-cell { border-right: none; border-bottom: 0.5px solid var(--border-n); }
  .pagenav-grid { grid-template-columns: 1fr; }
  .pnc-regist { grid-column: 1; }
  .footer-inner { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; gap: 6px; }
  .sec-head { flex-direction: column; align-items: flex-start; gap: 10px; }

  /* スポンサー: 2カラム / 3カラム */
  .sponsor-logos { display: grid; gap: 10px; }
  .sponsor-logos.platinum { grid-template-columns: repeat(2, 1fr); }
  .sponsor-logos.gold-tier { grid-template-columns: repeat(2, 1fr); }
  .sponsor-logos:not(.platinum):not(.gold-tier) { grid-template-columns: repeat(3, 1fr); }
  .sponsor-logo-box { min-width: 0; padding: 10px 8px; height: 48px; font-size: 12px; }
  .sponsor-logos.platinum .sponsor-logo-box { height: 64px; font-size: 13px; }
  .sponsor-logos.gold-tier .sponsor-logo-box { height: 56px; }
}

@media (max-width: 600px) {
  .sponsor-logos:not(.platinum):not(.gold-tier) { grid-template-columns: repeat(2, 1fr); }
}

/* ══════════════════════════════════════════════
   MOTION — ヒーロー入場演出（山場）＋抑制的リビール
   すべて .js ゲート（JS無効時は通常表示）／reduced-motion 尊重
   ══════════════════════════════════════════════ */
@keyframes jscmmRise { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes jscmmBloom { from { opacity: 0; transform: scale(0.90); } to { opacity: 1; transform: none; } }
@keyframes jscmmLine { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ヒーロー: 知の光が咲き、左右の線が伸び、要素が順に立ち上がる */
.js .hero-overlay-grad { animation: jscmmBloom 1.7s cubic-bezier(.22,.61,.36,1) both; }
.js .hero-eyebrow,
.js .hero-title,
.js .hero-sub,
.js .hero-meta-info,
.js .hero-cta { opacity: 0; animation: jscmmRise .95s cubic-bezier(.22,.61,.36,1) both; }
.js .hero-eyebrow { animation-delay: .20s; }
.js .hero-title { animation-delay: .40s; }
.js .hero-sub { animation-delay: .68s; }
.js .hero-meta-info { animation-delay: .82s; }
.js .hero-cta { animation-delay: .96s; }
.js .hero-eyebrow-line { transform: scaleX(0); transform-origin: center; animation: jscmmLine .9s .34s cubic-bezier(.22,.61,.36,1) both; }

/* スクロール・リビール（セクション単位・no-flash: .js は <head> で付与済み） */
.js .strip-cell,
.js .intro-left, .js .intro-right,
.js .sec-head, .js .news-item, .js .video-wrap,
.js .pnc, .js .organizer-inner,
.js .overview-wrap, .js .greeting-body-area, .js .greeting-aside, .js .contact-wrap {
  opacity: 0; transform: translateY(16px);
  transition: opacity .7s cubic-bezier(.22,.61,.36,1), transform .7s cubic-bezier(.22,.61,.36,1);
}
.js .in-view { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .js .hero-overlay-grad,
  .js .hero-eyebrow, .js .hero-title, .js .hero-sub, .js .hero-meta-info, .js .hero-cta,
  .js .hero-eyebrow-line,
  .js .strip-cell, .js .intro-left, .js .intro-right, .js .sec-head, .js .news-item,
  .js .video-wrap, .js .pnc, .js .organizer-inner, .js .overview-wrap,
  .js .greeting-body-area, .js .greeting-aside, .js .contact-wrap {
    animation: none !important; opacity: 1 !important; transform: none !important;
  }
}

/* JSCMM 2027 — Subpage Common Styles */

.page-hero { position: relative; overflow: hidden; background: var(--dark); padding: clamp(34px, 3.6vw, 54px) 48px clamp(28px, 3vw, 40px); }
.page-hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse 46% 130% at 90% 46%, rgba(184,150,62,0.12), transparent 62%); }
.page-hero-inner { position: relative; max-width: var(--max); margin: 0 auto; }
.page-hero-title {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(30px, 4vw, 48px); font-weight: 600; color: #fff;
  line-height: 1.28; letter-spacing: -0.025em;
}
.page-hero-en {
  font-family: 'EB Garamond', serif;
  font-size: 14px; color: rgba(255,255,255,0.38); letter-spacing: 0.08em; margin-top: 6px;
}
.page-gold-line { height: 2px; background: var(--gold); margin-top: calc(var(--nav-h) + 2px); }
@media (max-width: 768px) {
  .page-hero { padding: 26px 24px 24px; }
  .page-hero-title { font-size: 26px; }
}
/* JSCMM 2027 — greeting_chair page styles */

/* ── GREETING LAYOUT ── */
.greeting-wrap {
  max-width: var(--max); margin: 0 auto;
  padding: 64px 48px 88px;
  display: grid; grid-template-columns: 1fr 300px; gap: 72px; align-items: start;
}
.greeting-body-area {}
.greeting-theme-heading {
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(26px, 2.8vw, 40px); font-weight: 600; color: var(--dark);
  line-height: 1.45; margin-bottom: 8px; letter-spacing: -0.02em;
}
.greeting-theme-sub {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px; font-weight: 400; color: var(--mute);
  letter-spacing: 0.03em; margin-bottom: 44px;
  padding-bottom: 36px; border-bottom: 0.5px solid var(--border-n);
}
.greeting-lead {
  font-family: 'Noto Serif JP', serif;
  font-size: 18px; font-weight: 500; line-height: 1.95; letter-spacing: 0.01em;
  border-left: 2px solid var(--gold);
  padding-left: 22px; margin-bottom: 36px; color: var(--dark);
}
.greeting-text { font-size: 16px; color: var(--mid); line-height: 2.2; }
.greeting-text p + p { margin-top: 22px; }
.greeting-sign { margin-top: 44px; padding-top: 28px; border-top: 0.5px solid var(--border-n); text-align: right; }
.greeting-sign .gs-org { font-size: 13px; color: var(--mute); margin-bottom: 6px; line-height: 1.7; }
.greeting-sign .gs-role { font-size: 13px; color: var(--mute); margin-bottom: 4px; }
.greeting-sign .gs-name { font-family: 'Noto Serif JP', serif; font-size: 24px; font-weight: 600; color: var(--dark); }
.greeting-aside {}
.greeting-card {
  border: 0.5px solid var(--border-n); border-radius: var(--radius);
  padding: 32px; background: #fff; position: sticky; top: 88px;
}
.greeting-card-role { font-size: 10px; letter-spacing: 0.10em; color: var(--gold); text-transform: uppercase; margin-bottom: 10px; }
.greeting-card-name { font-family: 'Noto Serif JP', serif; font-size: 26px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.greeting-card-affil { font-size: 13px; color: var(--mute); line-height: 1.8; }
.greeting-card-divider { height: 0.5px; background: var(--border-n); margin: 22px 0; }
.greeting-card-meta { display: flex; flex-direction: column; gap: 14px; }
.gcm-item .gcm-label { font-size: 10px; letter-spacing: 0.08em; color: var(--mute); text-transform: uppercase; margin-bottom: 3px; }
.gcm-item .gcm-value { font-size: 14px; font-weight: 500; color: var(--dark); line-height: 1.5; }
@media (max-width: 900px) {
  .greeting-wrap { grid-template-columns: 1fr; gap: 36px; padding: 40px 24px 56px; }
  .greeting-card { position: static; }
}
/* JSCMM 2027 — overview page styles */

/* ── OVERVIEW TABLE ── */
.overview-wrap { max-width: var(--max); margin: 0 auto; padding: 64px 48px 80px; }
.overview-table { width: 100%; border-collapse: collapse; font-size: 16px; }
.overview-table tr { border-bottom: 0.5px solid var(--border-n); }
.overview-table tr:first-child { border-top: 0.5px solid var(--border-n); }
.overview-table th {
  width: 180px; padding: 22px 24px 22px 0;
  font-weight: 500; color: var(--mute); vertical-align: top;
  font-size: 14px; letter-spacing: 0.03em; white-space: nowrap; text-align: left;
}
.overview-table td { padding: 22px 0; color: var(--dark); vertical-align: top; line-height: 1.85; font-size: 16px; }
.overview-table td a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); }
.overview-table td a:hover { border-color: var(--ac); }
.overview-table .td-sub { font-size: 14px; color: var(--mute); margin-top: 4px; line-height: 1.7; }
.overview-note { margin-top: 48px; padding-top: 24px; border-top: 0.5px solid var(--border-n); font-size: 14px; color: var(--mute); line-height: 2.0; }
@media (max-width: 768px) {
  .overview-wrap { padding: 36px 24px 56px; }
  .overview-table th { width: 100px; font-size: 13px; padding: 16px 16px 16px 0; }
  .overview-table td { padding: 16px 0; font-size: 15px; }
}
@media (max-width: 560px) {
  .overview-table, .overview-table tbody, .overview-table tr,
  .overview-table th, .overview-table td { display: block; }
  .overview-table tr { padding: 16px 0; }
  .overview-table th { padding-bottom: 4px; border-bottom: none; }
  .overview-table td { padding-top: 0; }
}
/* JSCMM 2027 — access page styles */

/* ── ACCESS ── */
.access-wrap { max-width: var(--max); margin: 0 auto; padding: 64px 48px 88px; }
.access-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.access-map-wrap { border-radius: var(--radius); overflow: hidden; border: 0.5px solid var(--border-n); }
.access-map-wrap iframe { display: block; width: 100%; height: 400px; border: none; }
.access-info {}
.access-venue-name { font-family: 'Noto Serif JP', serif; font-size: 24px; font-weight: 600; color: var(--dark); margin-bottom: 4px; }
.access-venue-en { font-family: 'EB Garamond', serif; font-size: 13px; color: var(--mute); letter-spacing: 0.04em; margin-bottom: 24px; }
.access-rows { border-top: 0.5px solid var(--border-n); margin-bottom: 28px; }
.access-row { display: flex; gap: 20px; align-items: flex-start; padding: 15px 0; border-bottom: 0.5px solid var(--border-n); }
.access-row-label { font-size: 11px; letter-spacing: 0.06em; color: var(--mute); text-transform: uppercase; min-width: 64px; padding-top: 3px; flex-shrink: 0; }
.access-row-val { font-size: 15px; color: var(--dark); line-height: 1.8; }
.access-row-val a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.25); }
.access-row-val a:hover { border-color: var(--ac); }
.access-route { background: #FAF5F0; border-radius: var(--radius-sm); padding: 20px 22px; }
.access-route-title { font-size: 13px; font-weight: 500; color: var(--dark); margin-bottom: 12px; letter-spacing: 0.02em; }
.access-route-item { display: flex; align-items: flex-start; gap: 10px; padding: 8px 0; border-bottom: 0.5px solid var(--border-n); font-size: 14px; color: var(--mid); line-height: 1.7; }
.access-route-item:last-child { border-bottom: none; }
.access-route-item::before { content: '→'; color: var(--gold); font-size: 12px; margin-top: 3px; flex-shrink: 0; }
.access-map-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 20px; font-size: 14px; color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.25); padding-bottom: 1px; }
.access-map-link:hover { border-color: var(--ac); }
.access-map-link svg { width: 13px; height: 13px; stroke: var(--ac); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
/* 会場取り違え防止の注意書き（野依記念 学術交流館 ≠ 物質科学研究館） */
.access-caution {
  margin: 0 0 26px; padding: 13px 16px 13px 18px;
  background: rgba(107,31,42,0.05);
  border-left: 3px solid var(--ac); border-radius: 3px;
  font-size: 13px; line-height: 1.9; color: var(--mid);
}
.access-caution-mark {
  display: inline-block; font-size: 11px; font-weight: 600; letter-spacing: 0.04em;
  color: #fff; background: var(--ac); padding: 1px 9px; border-radius: 2px;
  margin-right: 8px; vertical-align: 1.5px;
}
.access-caution strong { color: var(--ac); font-weight: 600; }
@media (max-width: 900px) {
  .access-grid { grid-template-columns: 1fr; gap: 36px; }
  .access-wrap { padding: 36px 24px 56px; }
}
/* JSCMM 2027 — contact page styles */

/* ── CONTACT ── */
.contact-wrap { max-width: 760px; margin: 0 auto; padding: 64px 48px 88px; }
.contact-intro { font-size: 16px; color: var(--mid); line-height: 2.0; margin-bottom: 44px; padding-bottom: 36px; border-bottom: 0.5px solid var(--border-n); }
.contact-form-area { margin-bottom: 56px; }
.contact-form-placeholder {
  border: 0.5px solid var(--border-n); border-radius: var(--radius);
  padding: 56px 32px; text-align: center; background: var(--pale);
  display: flex; flex-direction: column; align-items: center; gap: 14px;
}
.cfp-icon svg { width: 36px; height: 36px; stroke: var(--mute); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.cfp-text { font-size: 15px; color: var(--mute); line-height: 1.9; }
.contact-info { border-top: 0.5px solid var(--border-n); padding-top: 36px; }
.contact-info-title { font-family: 'Noto Serif JP', serif; font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 16px; }
.contact-info-row { display: grid; grid-template-columns: 120px 1fr; gap: 8px 16px; align-items: baseline; padding: 10px 0; border-bottom: 0.5px solid var(--border-n); font-size: 15px; }
.contact-info-row:last-child { border-bottom: none; }
.contact-label { color: var(--mute); font-size: 13px; }
.contact-value { color: var(--dark); line-height: 1.7; }
.contact-value a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.25); }
.contact-value a:hover { border-color: var(--ac); }
@media (max-width: 600px) {
  .contact-wrap { padding: 36px 24px 56px; }
  .contact-info-row { grid-template-columns: 1fr; gap: 3px; }
}

/* ══════════ REGISTRATION（参加登録ページ） ══════════ */
.reg-wrap { max-width: 820px; margin: 0 auto; padding: 48px 48px 96px; }
.reg-lead { font-size: 16px; color: var(--mid); line-height: 2.0; margin-bottom: 40px; }
/* 本文中のテキストリンクは色＋下線で見た目を明示（他のコンテンツ内リンクと統一） */
.reg-lead a, .overview-note a, .contact-intro a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); transition: border-color .15s; }
.reg-lead a:hover, .overview-note a:hover, .contact-intro a:hover { border-color: var(--ac); }
.reg-h { font-family: 'Noto Serif JP', serif; font-size: clamp(22px, 2.3vw, 28px); font-weight: 600; color: var(--dark); letter-spacing: -0.01em; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 0.5px solid var(--border-n); }
.reg-h3 { font-family: 'Noto Serif JP', serif; font-size: 18px; font-weight: 600; color: var(--dark); margin: 28px 0 12px; }

.reg-fee { margin-bottom: 36px; }
.reg-fee-table { width: 100%; border-collapse: collapse; margin-bottom: 18px; border: 1px solid rgba(28,35,51,0.2); }
.reg-fee-table th, .reg-fee-table td { text-align: left; padding: 13px 18px; border: 1px solid rgba(28,35,51,0.14); }
.reg-fee-table thead th { font-size: 12px; letter-spacing: 0.06em; color: var(--mute); font-weight: 500; background: var(--pale); }
.reg-fee-table tbody td { font-size: 16px; color: var(--dark); }
.reg-fee-table tbody th, .reg-fee-table tbody td:first-child { background: rgba(28,35,51,0.015); }
.reg-fee-table tbody td:last-child { text-align: right; white-space: nowrap; }
.reg-price { font-family: 'Noto Serif JP', serif; font-size: 23px; font-weight: 600; color: var(--ac); letter-spacing: -0.01em; }
.reg-free { color: #8C6B1C; font-size: 19px; }

.reg-notes { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.reg-notes li { position: relative; padding-left: 18px; font-size: 14.5px; color: var(--mid); line-height: 1.8; }
.reg-notes li::before { content: ''; position: absolute; left: 2px; top: 11px; width: 5px; height: 5px; border-radius: 50%; background: var(--gold); }
.reg-notes strong { color: var(--dark); font-weight: 600; }

.reg-cta { text-align: center; padding: 34px 32px; background: var(--pale); border: 0.5px solid var(--border-n); border-radius: 6px; margin: 8px 0 52px; }
.reg-cta .reg-payvent { font-size: 17px; padding: 17px 42px; }
.reg-cta-note { margin-top: 16px; font-size: 13px; color: var(--mid); line-height: 1.85; }
.reg-cta-bottom { margin-top: 8px; background: #fffdf8; border-color: rgba(184,150,62,0.35); }
.reg-cta-h { border: none; padding: 0; margin-bottom: 20px; text-align: center; }

.reg-sec { margin-bottom: 52px; }

.reg-steps { list-style: none; display: flex; flex-direction: column; }
.reg-step { display: grid; grid-template-columns: 44px 1fr; column-gap: 20px; padding-bottom: 28px; position: relative; }
.reg-step:not(:last-child)::before { content: ''; position: absolute; left: 21px; top: 48px; bottom: 4px; width: 1px; background: var(--border-n); }
.reg-step-num { width: 44px; height: 44px; border-radius: 50%; background: var(--ac); color: #fff; font-family: 'Noto Serif JP', serif; font-size: 19px; font-weight: 600; display: flex; align-items: center; justify-content: center; z-index: 1; }
.reg-step-head { display: flex; align-items: baseline; gap: 8px 14px; flex-wrap: wrap; margin: 8px 0 9px; }
.reg-step-title { font-family: 'Noto Serif JP', serif; font-size: 18px; font-weight: 600; color: var(--dark); margin: 0; }
.reg-when { font-size: 12px; color: var(--ac); background: rgba(107,31,42,0.07); padding: 2px 11px; border-radius: 10px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.reg-step-body p { font-size: 14.5px; color: var(--mid); line-height: 1.9; }
.reg-step-body strong { color: var(--dark); font-weight: 600; }
.reg-step-body a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); }

.reg-faq { display: flex; flex-direction: column; gap: 10px; }
.reg-q { border: 0.5px solid var(--border-n); border-radius: 6px; background: #fff; }
.reg-q summary { cursor: pointer; list-style: none; padding: 16px 48px 16px 20px; font-size: 15px; font-weight: 500; color: var(--dark); position: relative; }
.reg-q summary::-webkit-details-marker { display: none; }
.reg-q summary::after { content: '+'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 20px; line-height: 1; color: var(--ac); }
.reg-q[open] summary::after { content: '\2212'; }
.reg-q summary:hover { color: var(--ac); }
.reg-a { padding: 0 20px 18px; font-size: 14px; color: var(--mid); line-height: 1.9; }
.reg-a a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); }

.reg-contact { border-top: 0.5px solid var(--border-n); padding-top: 32px; }
.reg-contact p { font-size: 15px; color: var(--mid); line-height: 2.0; }
.reg-contact a { color: var(--ac); border-bottom: 0.5px solid rgba(107,31,42,0.3); }

@media (max-width: 768px) {
  .reg-wrap { padding: 32px 20px 64px; }
  .reg-cta { padding: 24px 18px; }
  .reg-cta .reg-payvent { font-size: 16px; padding: 15px 28px; }
  .reg-step { grid-template-columns: 38px 1fr; column-gap: 15px; }
  .reg-step-num { width: 38px; height: 38px; font-size: 17px; }
  .reg-step:not(:last-child)::before { left: 18px; top: 42px; }
  .reg-fee-table th, .reg-fee-table td { padding: 12px 8px; }
  .reg-price { font-size: 21px; }
}

/* ===== program.css ===== */
/* JSCMM 2027 — program page
   ※ 読者に高齢者（医学会会員）が多いため、本文は可読性を優先して
     標準より大きめ・コントラスト高めに設定している（WCAG AA 4.5:1 以上を目安）。 */

/* スクリーンリーダー専用（視覚的に隠すが読み上げ・見出しナビには残す） */
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.program-wrap { max-width: 920px; margin: 0 auto; padding: 56px 48px 88px; }
.program-note { font-size: 15px; color: var(--mid); line-height: 1.85; margin-bottom: 28px; padding-left: 14px; border-left: 2px solid var(--gold-light); }
.program-note strong { color: var(--dark); font-weight: 600; }
.program-foot { margin-top: 40px; padding-top: 20px; border-top: 0.5px solid var(--border-n); font-size: 14px; color: var(--mid); line-height: 1.9; }

/* ── 「プログラム一覧へ」戻りリンク（各日ページ上部） ── */
.prog-back { display: inline-flex; align-items: center; gap: 5px; font-size: 14px; color: var(--ac); margin-bottom: 26px; border-bottom: 0.5px solid rgba(107,31,42,0.3); padding-bottom: 2px; transition: border-color .15s; }
.prog-back:hover { border-color: var(--ac); }

/* ── プログラム・ハブ（日別カード） ── */
.prog-home-lead { font-size: 15px; color: var(--mid); line-height: 1.8; margin-bottom: 26px; }
.prog-hub { display: grid; gap: 14px; }
.prog-hub-card { position: relative; display: grid; grid-template-columns: 210px 1fr; gap: 32px; align-items: center; border: 0.5px solid var(--border-n); border-left: 2px solid transparent; border-radius: 2px; padding: 26px 46px 26px 30px; background: #fff; transition: border-color .2s, box-shadow .2s, background .2s; }
.prog-hub-card:hover { border-color: rgba(184,150,62,0.5); border-left-color: var(--ac); box-shadow: 0 10px 34px -22px rgba(28,35,51,0.4); background: #fffdf8; }
.prog-hub-card::after { content: '›'; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-family: 'Noto Serif JP', serif; font-size: 26px; line-height: 1; color: var(--ac); opacity: .55; transition: opacity .2s, transform .2s; }
.prog-hub-card:hover::after { opacity: 1; transform: translateY(-50%) translateX(3px); }
.phc-left { border-right: 0.5px solid var(--border-n); padding-right: 28px; }
.phc-date { font-family: 'Noto Serif JP', serif; font-size: 25px; font-weight: 600; color: var(--dark); letter-spacing: -0.01em; line-height: 1.2; }
.phc-date .phc-wd { font-size: 15px; color: var(--mid); margin-left: 7px; }
.phc-venue { font-size: 13px; color: var(--mid); margin-top: 7px; line-height: 1.5; }
.phc-kicker { font-size: 13px; color: #8C6B1C; font-weight: 600; letter-spacing: .02em; margin-bottom: 6px; }
.prog-hub-card:hover .phc-kicker { color: var(--ac); }
.phc-highlights { font-family: 'Noto Serif JP', serif; font-size: 16px; color: var(--dark); line-height: 1.75; }

/* ── 日付タブ ── */
.prog-tabs-nav, .prog-vtabs-nav { display: block; }
.program-tabs { display: flex; gap: 5px; background: var(--pale); padding: 5px; border-radius: 5px; border: 0.5px solid var(--border-n); margin-bottom: 40px; width: fit-content; }
.prog-tab { display: flex; align-items: center; justify-content: center; gap: 7px; min-height: 48px; padding: 9px 24px; border: none; background: transparent; border-radius: 3px; cursor: pointer; transition: background .15s; font-family: inherit; box-sizing: border-box; }
.prog-tab .pt-d { font-family: 'Noto Serif JP', serif; font-size: 19px; font-weight: 600; color: var(--dark); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.prog-tab .pt-w { font-size: 12.5px; color: var(--mid); }
.prog-tab:hover:not(.is-active) { background: rgba(0,0,0,0.035); }
.prog-tab.is-active { background: var(--ac); }
.prog-tab.is-active .pt-d, .prog-tab.is-active .pt-w { color: #fff; }

/* ── 日ごとのパネル ── */
.prog-day[hidden] { display: none; }
.prog-day-head { display: flex; align-items: baseline; gap: 10px 18px; flex-wrap: wrap; margin-bottom: 30px; padding-bottom: 16px; border-bottom: 0.5px solid var(--border-n); }
.pdh-date { font-family: 'Noto Serif JP', serif; font-size: 24px; font-weight: 600; color: var(--dark); letter-spacing: -0.01em; margin: 0; }
.pdh-date span { font-size: 16px; color: var(--mid); margin-left: 5px; }
.pdh-venue { font-size: 14.5px; color: var(--mid); }
.pdh-venue-alt { color: var(--ac); font-weight: 600; }
.pdh-venue-alt span { color: var(--mid); font-weight: 400; }

/* ── 会場タブ（日内の第一会場／第二会場／懇親会 切替） ── */
.prog-venue-tabs { display: flex; gap: 2px; margin-bottom: 44px; border-bottom: 0.5px solid var(--border-n); }
.prog-vtab { display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 10px 18px; border: none; background: transparent; cursor: pointer; font-family: 'Noto Serif JP', serif; font-size: 16px; font-weight: 600; color: var(--mid); letter-spacing: 0.01em; border-bottom: 2px solid transparent; margin-bottom: -0.5px; box-sizing: border-box; transition: color .15s, border-color .15s; }
.prog-vtab:hover:not(.is-active) { color: var(--dark); }
.prog-vtab.is-active { color: var(--dark); border-bottom-color: var(--ac); }
.vt-mark { display: inline-flex; align-items: center; justify-content: center; width: 23px; height: 23px; border-radius: 3px; font-family: 'EB Garamond', serif; font-size: 13px; font-weight: 600; color: #fff; flex-shrink: 0; opacity: .6; transition: opacity .15s; }
.prog-vtab.is-active .vt-mark { opacity: 1; }
.vt-mark.pvt-a { background: var(--ac); }
.vt-mark.pvt-b { background: var(--dark); }
.vt-mark.pvt-social { background: var(--gold); border-radius: 50%; font-size: 10px; }

/* ── 会場グループ（タブパネル） ── */
.prog-venue-group { margin-bottom: 0; }
.prog-venue-group[hidden] { display: none; }

/* ── タイムライン ── */
.prog-track { position: relative; }
.prog-track::before { content: ''; position: absolute; left: 72px; top: 7px; bottom: 14px; width: 1px; background: var(--border-n); }
.ps { position: relative; display: grid; grid-template-columns: 56px 1fr; column-gap: 40px; padding-bottom: 22px; }
.ps::before { content: ''; position: absolute; left: 68px; top: 18px; width: 9px; height: 9px; border-radius: 50%; background: #fff; border: 2px solid var(--gold); box-sizing: border-box; z-index: 1; }
.ps-ceremony::before { border-color: var(--mute); }
.ps-social::before { background: var(--gold); border-color: var(--gold); }

.ps-time { text-align: right; padding-top: 14px; }
.ps-time span { display: block; font-family: 'Noto Serif JP', serif; font-variant-numeric: tabular-nums; font-size: 15px; font-weight: 600; color: var(--dark); line-height: 1.3; letter-spacing: 0.01em; }
.ps-time span:last-child { color: var(--mid); font-size: 13px; font-weight: 400; }
.ps-time i { display: block; width: 1px; height: 7px; background: var(--border-n); margin: 1px 2px 1px auto; }

.ps-main { background: #fff; border: 1px solid rgba(28,35,51,0.18); border-radius: 6px; padding: 18px 22px; box-shadow: 0 1px 2px rgba(28,35,51,0.05), 0 10px 26px -18px rgba(28,35,51,0.3); }
.ps-ceremony .ps-main { background: var(--pale); }
.ps-social .ps-main { background: #fffdf8; border-color: rgba(184,150,62,0.35); }

.ps-eyebrow { display: flex; align-items: center; gap: 9px; font-family: 'EB Garamond', serif; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; color: #8C6B1C; font-weight: 600; margin-bottom: 7px; }
.ps-kind { font-family: 'Noto Sans JP', sans-serif; font-size: 12px; font-weight: 500; letter-spacing: 0.02em; text-transform: none; color: var(--ac); background: rgba(107,31,42,0.09); padding: 2px 10px; border-radius: 10px; }
.ps-title { font-family: 'Noto Serif JP', serif; font-size: 18px; font-weight: 600; color: var(--dark); line-height: 1.55; letter-spacing: -0.01em; margin: 0; }
.ps-room { font-size: 13.5px; color: var(--mid); margin-top: 6px; }

.ps-chair { font-size: 14px; color: var(--mid); line-height: 1.7; margin-top: 15px; padding-top: 14px; border-top: 1px solid rgba(28,35,51,0.14); }
.ps-talks { list-style: none; margin-top: 15px; padding-top: 14px; border-top: 1px solid rgba(28,35,51,0.14); display: flex; flex-direction: column; gap: 12px; }
.ps-chair + .ps-talks { margin-top: 12px; padding-top: 0; border-top: none; }
.ps-talks li { font-size: 14.5px; line-height: 1.7; display: flex; flex-wrap: wrap; gap: 4px 11px; align-items: baseline; }
.t-kind { flex-shrink: 0; min-width: 68px; text-align: center; box-sizing: border-box; font-size: 12px; color: var(--mid); background: var(--pale); border: 0.5px solid var(--border-n); padding: 2px 9px; border-radius: 3px; letter-spacing: 0.02em; white-space: nowrap; }
.t-kind-round { color: var(--ac); border-color: rgba(107,31,42,0.22); background: rgba(107,31,42,0.04); }
.t-title { color: var(--dark); font-weight: 500; }
.t-sp { color: var(--mid); font-size: 14px; }
.tbd { color: var(--mute); font-weight: 400; font-size: 0.92em; }

@media (max-width: 768px) {
  .program-wrap { padding: 36px 20px 56px; }
  .prog-tab { padding: 9px 0; flex: 1; justify-content: center; }
  .program-tabs { width: 100%; }
  .prog-venue-tabs { gap: 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
  .prog-venue-tabs::-webkit-scrollbar { display: none; }
  .prog-vtab { padding: 10px 14px; font-size: 15px; white-space: nowrap; flex-shrink: 0; }
  .vt-mark { width: 21px; height: 21px; font-size: 12px; }
  .prog-track::before { left: 58px; }
  .ps { grid-template-columns: 44px 1fr; column-gap: 30px; }
  .ps::before { left: 54px; }
  .ps-time { padding-top: 14px; }
  .ps-time span { font-size: 14px; }
  .ps-time span:last-child { font-size: 12.5px; }
  .ps-main { padding: 16px 16px; }
  .ps-title { font-size: 17px; }
  .t-kind { min-width: 60px; }
  .prog-hub-card { grid-template-columns: 1fr; gap: 14px; padding: 20px 40px 20px 18px; border-left-color: var(--ac); }
  .phc-left { border-right: none; border-bottom: 0.5px solid var(--border-n); padding-right: 0; padding-bottom: 13px; }
  .prog-hub-card::after { right: 16px; opacity: .8; }
}