/* =====================================================================
   VOLUNTARY CARBON CREDIT SUMMIT 2026  --  style.css
   フレームワーク不使用。設計書 2章のトークンをそのまま CSS 変数で定義。
   ブレークポイント: 640 / 768 / 1024 / 1280 px
   ===================================================================== */

/* ---------- 1. トークン ---------- */
:root {
  --c-bg: #0d1a2d;
  --c-bg-2: #13233c;
  --c-bg-deep: #0a1524;
  --c-card: #22314a;           /* 白8%を濃紺に重ねた色（不透明） */
  --c-fg: #ffffff;
  --c-fg-2: rgba(255, 255, 255, 0.7);
  --c-fg-3: rgba(255, 255, 255, 0.45);
  --c-line: rgba(255, 255, 255, 0.15);
  --c-accent: #ec7306;
  --c-accent-hover: #f9934e;
  --c-gold: #b9975b;
  --c-green: #3f9e6a;
  --c-orange: #ec7306;

  --font-en: "Oswald", sans-serif;
  --font-ja: "Noto Sans JP", system-ui, sans-serif;

  --section-y: 140px;
  --content-max: 1400px;
  --header-h: 90px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
@media (max-width: 767px) {
  :root { --section-y: 80px; }
}

/* ---------- 2. リセット・ベース ---------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-fg);
  font-family: var(--font-ja);
  font-size: 16px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body.is-locked { overflow: hidden; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}
*:focus-visible {
  outline: 2px solid var(--c-accent-hover);
  outline-offset: 3px;
}
::selection { background: var(--c-accent); color: var(--c-fg); }
[hidden] { display: none !important; }

[id] { scroll-margin-top: 80px; }   /* 固定ヘッダーぶんアンカー位置をずらす */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 200;
  padding: 8px 16px;
  border-radius: 4px;
  background: var(--c-accent);
  color: #fff;
  font-weight: 700;
}
.skip-link:focus { left: 8px; }

/* ---------- 3. タイポグラフィ ---------- */
.display-xl {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: clamp(56px, min(9.2vw, 15.5vh), 150px);
  line-height: 0.92;
  letter-spacing: 0;
}
.display-l {
  font-family: var(--font-en);
  font-weight: 600;
  font-size: clamp(44px, 5.6vw, 84px);
  line-height: 1;
  letter-spacing: -0.01em;
  overflow-wrap: anywhere;
}
.display-m {
  font-family: var(--font-en);
  font-weight: 500;
  font-size: clamp(32px, 4.2vw, 56px);
  line-height: 1;
}
.heading-ja {
  font-weight: 700;
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.5;
}
.heading-ja--s { font-size: 22px; }
@media (min-width: 768px) { .heading-ja--s { font-size: 26px; } }
.label-ja {
  font-weight: 500;
  font-size: 14px;
  letter-spacing: 0.12em;
}
.body-text { font-size: 16px; line-height: 1.9; }
.lead-text { font-size: 15px; line-height: 2; color: var(--c-fg-2); }
@media (min-width: 768px) { .lead-text { font-size: 16px; } }
.caption { font-size: 13px; line-height: 1.7; color: var(--c-fg-3); }
.font-en { font-family: var(--font-en); }
.font-ja { font-family: var(--font-ja); letter-spacing: normal; }

/* 色・太さのユーティリティ */
.t-fg2 { color: var(--c-fg-2); }
.t-fg3 { color: var(--c-fg-3); }
.t-accent { color: var(--c-accent); }
.t-gold { color: var(--c-gold); }
.t-bold { font-weight: 700; }
.t-center { text-align: center; }
.t-13 { font-size: 13px; }
.t-14 { font-size: 14px; }
.t-15 { font-size: 15px; }
.t-18 { font-size: 18px; }
.t-20 { font-size: 20px; }
.underline { text-decoration: underline; text-underline-offset: 4px; }
.pre-line { white-space: pre-line; }

/* 余白ユーティリティ（4px 単位） */
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-10 { margin-top: 40px; }
.mt-12 { margin-top: 48px; }
.mt-14 { margin-top: 56px; }
.mt-16 { margin-top: 64px; }
.mb-10 { margin-bottom: 40px; }
.mb-12 { margin-bottom: 48px; }

/* ---------- 4. レイアウト ---------- */
.container {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: 24px;
}
@media (min-width: 1024px) { .container { padding-inline: 40px; } }

.section {
  position: relative;
  overflow: hidden;
  padding-top: var(--section-y);
  padding-bottom: var(--section-y);
}
.section--flat { overflow: visible; }
.section--pt0 { padding-top: 0; }
.bg-1 { background: var(--c-bg); }
.bg-2 { background: var(--c-bg-2); }
.z-up { position: relative; z-index: 10; }

/* 左カラム見出し＋右カラム本文（TOP・一部下層） */
.grid-2col { display: grid; gap: 48px; }
.grid-2col > * { min-width: 0; }
@media (min-width: 1024px) {
  .grid-2col { grid-template-columns: 380px 1fr; gap: 80px; }
}
.max-720 { max-width: 720px; }
.max-760 { max-width: 760px; }
.max-640 { max-width: 640px; }

.flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-baseline { align-items: baseline; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
@media (min-width: 1024px) { .lg\:justify-start { justify-content: flex-start; } }

/* ---------- 5. 汎用パーツ ---------- */
.card {
  background: var(--c-card);
  border: 1px solid var(--c-line);
  border-radius: 4px;
}
.card--p { padding: 28px; }
@media (min-width: 768px) { .card--p { padding: 40px; } }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding-inline: 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: background-color 0.25s, border-color 0.25s, color 0.25s;
}
.btn-primary { background: var(--c-accent); color: var(--c-fg); }
.btn-primary:hover { background: var(--c-accent-hover); }
.btn-secondary { border: 1px solid var(--c-line); color: var(--c-fg); }
.btn-secondary:hover { border-color: rgba(255, 255, 255, 0.6); }
.btn-sm { height: 44px; padding-inline: 24px; font-size: 14px; }
.btn-invert { background: #fff; color: #0b0b0b; border: 1px solid #fff; }
.btn-invert:hover { background: rgba(255, 255, 255, 0.82); border-color: rgba(255, 255, 255, 0.82); }
.btn-lg { height: 64px; padding-inline: 40px; font-size: 17px; }
.btn-block { width: 100%; }
.btn-disabled { opacity: 0.5; cursor: not-allowed; }
@media (max-width: 640px) {
  .btn {
    max-width: 100%;
    height: auto;
    min-height: 52px;
    padding: 14px 24px;
    white-space: normal;
    text-align: center;
    line-height: 1.5;
  }
  .btn-lg { min-height: 60px; padding: 16px 28px; }
}

.line-list { display: flex; flex-direction: column; gap: 8px; font-size: 14px; color: var(--c-fg-2); }
.line-list li { display: flex; gap: 12px; }
.line-list li::before {
  content: "";
  flex-shrink: 0;
  width: 12px; height: 1px;
  margin-top: 11px;
  background: var(--c-gold);
}

.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--c, var(--c-fg-3));
}
.tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  white-space: nowrap;
  color: var(--c, var(--c-fg-2));
  border: 1px solid var(--c, var(--c-line));
}
.tag--s { padding: 2px 8px; font-size: 11px; }
.c-creator { --c: var(--c-green); }
.c-buyer { --c: var(--c-orange); }
.c-supporter { --c: var(--c-gold); }

.badge {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding-inline: 12px;
  border: 1px solid var(--c-gold);
  color: var(--c-gold);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
}

.hr-top { border-top: 1px solid var(--c-line); }
.hr-bottom { border-bottom: 1px solid var(--c-line); }

/* 画像枠（写真・ロゴが未定のときは英字プレースホルダー） */
.ph {
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: var(--c-bg-2);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--c-fg-3);
  overflow: hidden;
}
.ph img { width: 100%; height: 100%; object-fit: cover; }
.ph--contain img { object-fit: contain; padding: 12px; }
.ph--4x3 { aspect-ratio: 4 / 3; width: 100%; }
.ph--1x1 { aspect-ratio: 1 / 1; width: 100%; }
.ph--card { background: var(--c-card); }

/* 行数制限 */
.clamp-2, .clamp-3, .clamp-4 {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.clamp-2 { -webkit-line-clamp: 2; }
.clamp-3 { -webkit-line-clamp: 3; }
.clamp-4 { -webkit-line-clamp: 4; }

/* ---------- 6. セクション見出し ---------- */
.sec-head { position: relative; }
.sec-head__ja { margin-top: 12px; color: var(--c-fg-2); }
.sec-head::after {
  content: "";
  display: block;
  width: 48px; height: 1px;
  margin-top: 20px;
  background: var(--c-gold);
}
@media (min-width: 1024px) {
  .sec-head--sticky { position: sticky; top: 128px; align-self: start; }
}

/* ---------- 7. 出現アニメーション（IntersectionObserver で .is-in を付与） ---------- */
.reveal,
.reveal-group > .reveal-item {
  opacity: 0;
  transform: translateY(16px);
  filter: blur(8px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), filter 0.6s var(--ease);
  transition-delay: var(--delay, 0s);
}
.reveal.is-in,
.reveal-group.is-in > .reveal-item {
  opacity: 1;
  transform: none;
  filter: none;
}
/* 子要素の stagger は JS が --delay を 0.1s 刻みで付与 */

/* ---------- 8. 背景動画 ---------- */
.video-bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background: var(--c-bg);
  pointer-events: none;
}
.video-bg video,
.video-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: var(--o, 1);
}
.video-bg__poster { display: none; }
.video-bg::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 50%;
  background: linear-gradient(to bottom, rgba(13, 26, 45, 0) 0%, rgba(13, 26, 45, 0.6) 60%, #0d1a2d 100%);
}

/* ---------- 9. スクロール連動オブジェクト（透過PNG） ---------- */
.obj {
  position: absolute;
  top: -5%;
  z-index: 0;
  pointer-events: none;
  will-change: transform;
}
.obj img { width: 100%; height: auto; opacity: var(--o, 0.45); user-select: none; }
@media (max-width: 767px) {
  /* SP は横幅が足りないので 44vw に抑えて必ず表示 */
  .obj { width: 44vw !important; }
}

/* ---------- 10. マーキー ---------- */
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@keyframes marquee-rev { from { transform: translateX(-50%); } to { transform: translateX(0); } }
.marquee { overflow: hidden; }
.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee var(--duration, 40s) linear infinite;
  will-change: transform;
}
.marquee-track.is-reverse { animation-name: marquee-rev; }
.marquee:hover .marquee-track { animation-play-state: paused; }

/* ティッカー（オレンジ帯） */
.ticker { height: 64px; background: var(--c-accent); }
.ticker .marquee-track { height: 100%; align-items: center; }
.ticker__row { display: flex; align-items: center; flex-shrink: 0; }
.ticker__item {
  display: flex;
  align-items: center;
  padding-inline: 24px;
  font-family: var(--font-en);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--c-fg);
}
.ticker__item::after { content: "／"; margin-left: 48px; opacity: 0.6; }

/* 会員ロゴ 3レーン */
.lanes { display: flex; flex-direction: column; gap: 20px; background: #fff; border-radius: 4px; padding: 20px 0; }
.lane { display: flex; align-items: center; gap: 16px; }
@media (min-width: 768px) { .lane { gap: 32px; } }
.lane__label { flex-shrink: 0; width: 64px; font-size: 14px; font-weight: 700; color: var(--c); }
@media (min-width: 768px) { .lane__label { width: 80px; } }
.lane__marquee { position: relative; flex: 1; min-width: 0; }
.lane__marquee::before,
.lane__marquee::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 40px;
  z-index: 1;
  pointer-events: none;
}
.lane__marquee::before { left: 0; background: linear-gradient(to right, #fff, transparent); }
.lane__marquee::after { right: 0; background: linear-gradient(to left, #fff, transparent); }
.lane__row { display: flex; flex-shrink: 0; gap: 16px; padding-right: 16px; }
.logo-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: none;
  border: 0;
  pointer-events: none;
  width: 120px; height: 64px;
  padding: 12px;
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--c-fg-3);
}
@media (min-width: 768px) { .logo-cell { width: 168px; height: 80px; } }
.logo-cell img {
  max-height: 100%;
  max-width: 100%;
  width: auto;
  object-fit: contain;
  opacity: 1;
  filter: none;
}
.logo-cell span { font-size: 13px; color: var(--c-fg-2); }
.logo-cell:hover span { color: var(--c-fg); }

/* ---------- 11. ヘッダー ---------- */
.header { position: fixed; inset: 0 0 auto 0; z-index: 50; }
.header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 90px;
  padding-inline: 24px;
  background: rgba(13, 26, 45, 0.8);
  border-bottom: 1px solid var(--c-line);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  transition: height 0.3s, background-color 0.3s;
}
@media (min-width: 1024px) { .header__bar { padding-inline: 40px; } }
@media (max-width: 639px) { .header__bar { height: 72px; } }
.header.is-scrolled .header__bar { height: 74px; background: rgba(13, 26, 45, 0.92); }
@media (max-width: 639px) { .header.is-scrolled .header__bar { height: 62px; } }
.header__logo { display: flex; align-items: center; gap: 14px; }
.header__logo img { height: 77px; width: auto; }
@media (max-width: 639px) { .header__logo img { height: 52px; } }
/* ロゴ組み（試作）：Linkhola ロゴ＋サミット名。正式ロゴ画像が届いたら img 1枚に差し替える */
.header__logo-summit {
  display: none;
  padding-left: 14px;
  border-left: 1px solid rgba(255, 255, 255, 0.35);
}
.header__logo-summit img { display: block; height: 66px; width: auto; }
@media (min-width: 640px) { .header__logo-summit { display: block; } }
.nav { display: none; }
@media (min-width: 1024px) {
  .nav {
    display: flex;
    align-items: center;
    gap: 32px;
    font-family: var(--font-en);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1em;
  }
}
.nav a { position: relative; color: var(--c-fg-2); transition: color 0.25s; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--c-fg); }
.nav a[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; bottom: -8px;
  width: 100%; height: 2px;
  background: var(--c-accent);
}
.header__right { display: flex; align-items: center; gap: 12px; }
.header__apply { display: none; }
@media (min-width: 768px) { .header__apply { display: inline-flex; } }
.burger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 44px; height: 44px;
}
@media (min-width: 1024px) { .burger { display: none; } }
.burger span {
  display: block;
  width: 24px; height: 1px;
  background: var(--c-fg);
  transition: transform 0.3s;
}
.header.is-open .burger span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.header.is-open .burger span:nth-child(2) { transform: translateY(-3.5px) rotate(-45deg); }

.sp-menu {
  position: fixed;
  inset: 72px 0 0 0;
  z-index: 40;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 40px 24px;
  background: var(--c-bg);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}
@media (min-width: 1024px) { .sp-menu { display: none; } }
.header.is-open .sp-menu { opacity: 1; pointer-events: auto; }
.sp-menu__nav {
  display: flex;
  flex-direction: column;
  gap: 24px;
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 500;
}
.sp-menu__nav a { color: var(--c-fg-2); }
.sp-menu__nav a[aria-current="page"] { color: var(--c-fg); }

/* ---------- 12. フッター ---------- */
.footer { background: var(--c-bg-deep); }
.footer__inner { padding-block: 64px; }
@media (min-width: 768px) { .footer__inner { padding-block: 80px; } }
.footer__top { display: flex; flex-direction: column; gap: 40px; }
@media (min-width: 768px) {
  .footer__top { flex-direction: row; align-items: flex-start; justify-content: space-between; }
}
.footer__logo img { height: 36px; width: auto; }
.footer__text { margin-top: 24px; font-size: 14px; color: var(--c-fg-2); }
.footer__text + .footer__text { margin-top: 16px; }
.footer__text a:hover { color: var(--c-fg); }
.footer__nav { display: flex; flex-direction: column; gap: 12px; font-size: 14px; }
.footer__nav a { color: var(--c-fg-2); transition: color 0.25s; }
.footer__nav a:hover { color: var(--c-fg); }
.footer__nav .font-en { letter-spacing: 0.1em; }
.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
}
@media (min-width: 768px) {
  .footer__bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
.footer__name { font-family: var(--font-en); font-size: 13px; letter-spacing: 0.08em; color: var(--c-fg-3); }
.footer__copy { font-size: 12px; color: var(--c-fg-3); }

/* ---------- 13. イントロ（読み込み時の全画面動画） ---------- */
.intro {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--c-bg);
  transition: opacity 0.7s ease-in-out;
}
.intro.is-out { opacity: 0; pointer-events: none; }
.intro video { width: 100%; height: 100%; object-fit: cover; }
.intro__text {
  position: absolute;
  bottom: 40px; left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.3em;
  color: var(--c-fg-2);
  white-space: nowrap;
  opacity: 0;
  animation: intro-text 0.8s ease 0.6s forwards;
}
@keyframes intro-text { from { opacity: 0; transform: translate(-50%, 8px); } to { opacity: 1; transform: translate(-50%, 0); } }
.intro__skip {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--c-fg-3);
}
.intro__skip:hover { color: var(--c-fg); }

/* ---------- 14. TOP ヒーロー ---------- */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 100svh;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; opacity: 0; }
.hero__bg .video-bg { --o: 0.85; }
@media (min-width: 768px) {
  .hero__bg video, .hero__bg img { transform: scale(1.8) translateX(20%); transform-origin: center; }
}
@media (max-width: 767px) {
  .hero__bg video, .hero__bg img { object-fit: contain; object-position: center 40%; }
}
.hero__objs { position: absolute; inset: 0; pointer-events: none; opacity: 0; }
.hero__inner { position: relative; z-index: 10; padding-top: 130px; padding-bottom: 112px; }
@media (min-width: 768px) { .hero__inner { padding-top: 150px; padding-bottom: 96px; } }
.hero__label { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
/* ヒーローのロゴタイプは display-xl より行間・字間を少しだけ広げる
   （y のディセンダーが次行の頭文字に触れるのを回避） */
.hero__title { margin-top: 24px; max-width: 70vw; line-height: 1.06; letter-spacing: 0.015em; }
@media (min-width: 768px) { .hero__title { margin-top: 32px; } }
.hero__title span { display: block; }
.hero__title .year { color: var(--c-accent); transform-origin: left center; }
.hero__date {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 32px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.06em;
}
@media (min-width: 768px) { .hero__date { margin-top: 40px; font-size: 18px; } }
.hero__cta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 40px; }
.hero__scroll {
  position: absolute;
  bottom: 32px; left: 24px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  opacity: 0;
}
@media (min-width: 768px) { .hero__scroll { left: 40px; } }
.hero__scroll-line { position: relative; display: block; width: 1px; height: 48px; overflow: hidden; background: var(--c-line); }
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--c-fg);
  animation: scroll-line 2.2s ease-in-out infinite;
}
.hero__scroll-text { font-family: var(--font-en); font-size: 11px; letter-spacing: 0.2em; color: var(--c-fg-2); }
@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* 浮遊オブジェクト（位置は HTML の style で指定。--depth 奥行き, --dur 周期, --rot 回転, --amp 振幅） */
.float { position: absolute; }
.float__inner { animation: float var(--dur, 9s) ease-in-out infinite; }
.float img { width: 100%; height: auto; user-select: none; }
@keyframes float {
  0%   { transform: translate(0, 0) rotate(0deg) scale(1); }
  25%  { transform: translate(calc(var(--amp) * 0.5), calc(var(--amp) * -1)) rotate(var(--rot)) scale(1.04); }
  50%  { transform: translate(0, 0) rotate(0deg) scale(1); }
  75%  { transform: translate(calc(var(--amp) * -0.4), calc(var(--amp) * 0.6)) rotate(calc(var(--rot) * -0.6)) scale(0.97); }
  100% { transform: translate(0, 0) rotate(0deg) scale(1); }
}
.hero__objs--pc { display: none; }
@media (min-width: 768px) {
  .hero__objs--pc { display: block; }
  .hero__objs--sp { display: none; }
}

/* ヒーローのタイムライン（.hero.is-play で開始。--d に遅延秒） */
.h-fade, .h-word, .h-year { opacity: 0; }
.h-fade { transform: translateY(16px); }
.h-word { transform: translateY(24px); filter: blur(8px); }
.h-year { transform: scale(1.08); }
.hero.is-play .hero__bg { animation: fade-in 0.6s ease 0s forwards; }
.hero.is-play .hero__objs { animation: fade-in 1s ease 0.4s forwards; }
.hero.is-play .h-fade { animation: h-fade 0.5s var(--ease) var(--d, 0s) forwards; }
.hero.is-play .h-word { animation: h-word 0.7s var(--ease) var(--d, 0s) forwards; }
.hero.is-play .h-year { animation: h-year 0.6s var(--ease) var(--d, 0s) forwards; }
.hero.is-play .hero__scroll { animation: fade-in 0.6s ease 3.3s forwards; }
@keyframes fade-in { to { opacity: 1; } }
@keyframes h-fade { to { opacity: 1; transform: none; } }
@keyframes h-word { to { opacity: 1; transform: none; filter: blur(0); } }
@keyframes h-year { to { opacity: 1; transform: none; } }
/* reduced-motion／イントロ後の再表示: 即時表示 */
.hero.is-static .hero__bg, .hero.is-static .hero__objs, .hero.is-static .hero__scroll,
.hero.is-static .h-fade, .hero.is-static .h-word, .hero.is-static .h-year {
  opacity: 1; transform: none; filter: none; animation: none;
}

/* ---------- 15. 下層ページのヒーロー ---------- */
.page-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: 60vh;
  overflow: hidden;
  padding-top: 130px;
  padding-bottom: 64px;
  background: var(--c-bg);
}
@media (min-width: 768px) { .page-hero { padding-bottom: 80px; } }
.page-hero .video-bg { --o: 0.55; }
.page-hero__inner { position: relative; z-index: 10; }
.page-hero__ja { margin-top: 16px; color: var(--c-fg-2); }
.page-hero__lead { margin-top: 32px; max-width: 640px; }

/* ---------- 16. タイムテーブル ---------- */
.part-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 16px; margin-bottom: 12px; }
.part-head__time { font-family: var(--font-en); font-size: 15px; letter-spacing: 0.08em; color: var(--c-accent); }
.part-head__label { font-size: 18px; font-weight: 700; }
@media (min-width: 768px) { .part-head__time { font-size: 16px; } .part-head__label { font-size: 20px; } }

.tl { border-top: 1px solid var(--c-line); }
.tl__row {
  display: grid;
  grid-template-columns: 104px 1fr;
  align-items: start;
  gap: 16px;
  padding-block: 16px;
  border-bottom: 1px solid var(--c-line);
}
@media (min-width: 768px) { .tl__row { grid-template-columns: 150px 1fr; gap: 32px; } }
.tl__time {
  position: relative;
  padding-top: 2px;
  font-family: var(--font-en);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--c-fg-2);
}
@media (min-width: 768px) {
  .tl__time { font-size: 16px; }
  .tl__time:not(:empty)::after {
    content: "";
    position: absolute;
    top: 13px; right: -8px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--c-accent);
  }
}
.tl__title { font-size: 16px; font-weight: 700; }
@media (min-width: 768px) { .tl__title { font-size: 17px; } }
.tl__note { margin-top: 2px; font-size: 13px; color: var(--c-fg-2); }

/* 下層 SCHEDULE（＋ボタンで詳細モーダル） */
.sch { display: flex; flex-direction: column; }
.sch__row {
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: start;
  gap: 16px;
  border-bottom: 1px solid var(--c-line);
}
@media (min-width: 768px) { .sch__row { grid-template-columns: 160px 1fr; gap: 32px; } }
.sch__time {
  position: relative;
  padding-block: 20px;
  font-family: var(--font-en);
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--c-fg-2);
}
@media (min-width: 768px) {
  .sch__time { font-size: 16px; }
  .sch__time:not(:empty)::after {
    content: "";
    position: absolute;
    top: 26px; right: -8px;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--c-accent);
  }
}
.sch__body { padding-block: 20px; }
.sch__title { font-size: 16px; font-weight: 700; }
@media (min-width: 768px) { .sch__title { font-size: 17px; } }
.sch__summary { margin-top: 4px; font-size: 14px; color: var(--c-fg-2); }
.sch__btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding-block: 20px;
  text-align: left;
}
.sch__plus {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 32px; height: 32px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  color: var(--c-fg-2);
  transition: border-color 0.25s, color 0.25s;
}
.sch__btn:hover .sch__plus { border-color: var(--c-accent); color: var(--c-accent); }

/* TOP の講演ハイライト（3カード） */
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: stretch; }
@media (min-width: 768px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }
.session-card { display: flex; flex-direction: column; height: 100%; overflow: hidden; }
.session-card__photo {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4 / 3;
  width: 100%;
  background: var(--c-bg-2);
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--c-fg-3);
}
.session-card__photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.session-card__no {
  position: absolute;
  top: 16px; left: 16px;
  padding: 4px 12px;
  background: rgba(13, 26, 45, 0.8);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--c-fg);
}
.session-card__no span { margin-left: 12px; color: var(--c-fg-2); }
.session-card__body { display: flex; flex: 1; flex-direction: column; padding: 28px; }
@media (min-width: 768px) { .session-card__body { padding: 32px; } }
.session-card__title { font-size: 20px; line-height: 1.4; font-weight: 700; }
@media (min-width: 768px) { .session-card__title { font-size: 22px; } }
.session-card__theme { margin-top: 8px; font-size: 14px; line-height: 1.7; font-weight: 700; color: var(--c-fg-2); }
.session-card__summary { margin-top: 16px; font-size: 14px; line-height: 1.8; color: var(--c-fg-2); }
.session-card__speaker { margin-top: auto; padding-top: 20px; border-top: 1px solid var(--c-line); }
.session-card__speaker .name { font-size: 15px; font-weight: 700; }
.session-card__speaker .org { margin-top: 2px; font-size: 12px; color: var(--c-fg-2); }
.session-card__speaker .org + .name { margin-top: 12px; }
.session-card__photo--square { aspect-ratio: 1 / 1; }
.speaker-card .session-card__theme { font-weight: 400; font-size: 13px; }
/* その他のプログラム：基調講演より一回り小さいカード */
.grid-3--sm { gap: 16px; }
@media (min-width: 768px) { .grid-3--sm { max-width: 960px; } }
.grid-3--sm .session-card__photo { aspect-ratio: 16 / 9; }
.grid-3--sm .session-card__body { padding: 20px; }
.grid-3--sm .session-card__title { font-size: 17px; }
.grid-3--sm .session-card__theme { font-size: 13px; }
.grid-3--sm .session-card__summary { margin-top: 10px; font-size: 13px; line-height: 1.7; }

/* TOP の講演：基調講演／その他のプログラムの小見出し */
.sessions-sub { margin-bottom: 24px; }
.sessions-sub--next { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--c-line); }
.sessions-sub__time { font-size: 13px; letter-spacing: 0.15em; color: var(--c-fg-2); }
.sessions-sub__time span { margin-left: 12px; }
.sessions-sub__title { margin-top: 4px; font-size: 22px; line-height: 1.4; font-weight: 700; }
@media (min-width: 768px) { .sessions-sub__title { font-size: 26px; } }
.sessions-sub__theme { margin-top: 8px; font-size: 14px; line-height: 1.7; color: var(--c-fg-2); }

/* 下層 SESSIONS（1本ずつ大きく） */
.session-list { display: flex; flex-direction: column; gap: 24px; }
.session-detail { display: grid; gap: 32px; padding: 28px; }
@media (min-width: 768px) { .session-detail { grid-template-columns: 1fr 360px; padding: 40px; } }
.session-detail__no { font-family: var(--font-en); font-size: 13px; letter-spacing: 0.15em; color: var(--c-accent); }
.session-detail__no span { margin-left: 16px; color: var(--c-fg-3); }
.session-detail__title { margin-top: 12px; font-size: 22px; line-height: 1.4; font-weight: 700; }
@media (min-width: 768px) { .session-detail__title { font-size: 26px; } }
.session-detail__theme { margin-top: 12px; font-size: 16px; font-weight: 700; color: var(--c-fg-2); }
.session-detail__summary { margin-top: 20px; font-size: 15px; line-height: 1.9; color: var(--c-fg-2); white-space: pre-line; }
.session-detail__topics { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--c-line); }
.session-detail__side { padding-top: 24px; border-top: 1px solid var(--c-line); }
@media (min-width: 768px) {
  .session-detail__side { padding-top: 0; padding-left: 32px; border-top: 0; border-left: 1px solid var(--c-line); }
}
.session-detail__speakers { display: flex; flex-direction: column; gap: 32px; margin-top: 16px; }
.session-detail--stack { grid-template-columns: 1fr; }
@media (min-width: 768px) { .session-detail--stack { grid-template-columns: 1fr; } }
.session-detail--stack .session-detail__side { padding-top: 24px; padding-left: 0; border-top: 1px solid var(--c-line); border-left: 0; }
@media (min-width: 768px) {
  .session-detail--stack .session-detail__side { padding-top: 28px; padding-left: 0; border-top: 1px solid var(--c-line); border-left: 0; }
}
.session-detail--stack .session-detail__speakers { display: grid; gap: 32px; }
@media (min-width: 768px) { .session-detail--stack .session-detail__speakers { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* 登壇者 */
.speaker__name { margin-top: 16px; font-size: 18px; font-weight: 700; }
.speaker__org { margin-top: 4px; font-size: 13px; color: var(--c-fg-2); }
.speaker__bio { margin-top: 12px; font-size: 13px; line-height: 1.8; color: var(--c-fg-2); }
.speaker--center .speaker__name { margin-top: 12px; font-size: 15px; text-align: center; }
.speaker--center .speaker__org { text-align: center; }
.speaker-grid { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 640px) { .speaker-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .speaker-grid { grid-template-columns: repeat(3, 1fr); gap: 40px; } }
.speaker-grid--modal { grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 16px; }
@media (min-width: 768px) { .speaker-grid--modal { grid-template-columns: repeat(3, 1fr); } }

/* ---------- 17. 出展社・会員カード ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: stretch; }
@media (min-width: 1024px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
.grid-4 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
@media (min-width: 768px) { .grid-4 { grid-template-columns: repeat(4, 1fr); gap: 32px; } }

.rich-card { display: flex; flex-direction: column; gap: 24px; height: 100%; padding: 28px; }
@media (min-width: 768px) { .rich-card { flex-direction: row; gap: 32px; padding: 36px; } }
.rich-card__side { display: flex; flex-direction: column; align-items: flex-start; gap: 16px; }
.rich-card__logo { width: 140px; height: 98px; }
.rich-card__logo--member { width: 220px; height: 132px; }
.rich-card__body { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.rich-card__booth { font-family: var(--font-en); font-size: 12px; letter-spacing: 0.15em; color: var(--c-fg-3); }
.rich-card__tier { font-size: 12px; letter-spacing: 0.1em; color: var(--c-gold); }
.rich-card__title { margin-top: 8px; font-size: 20px; line-height: 1.4; font-weight: 700; }
@media (min-width: 768px) { .rich-card__title { font-size: 22px; } }
.rich-card__tagline { margin-top: 8px; font-size: 15px; line-height: 1.7; font-weight: 700; color: var(--c-fg-2); }
.rich-card__desc { margin-top: 16px; font-size: 14px; line-height: 1.9; color: var(--c-fg-2); }
.rich-card__foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: auto; padding-top: 24px; }
.link-plain { font-size: 14px; color: var(--c-fg-2); text-decoration: underline; text-underline-offset: 4px; transition: color 0.25s; }
.link-plain:hover { color: var(--c-fg); }

.cat-list { display: flex; flex-wrap: wrap; gap: 8px 32px; font-size: 14px; color: var(--c-fg-2); }
.cat-list li { display: flex; align-items: center; gap: 8px; }
.cat-list b { color: var(--c-fg); }

.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--c-line);
  font-size: 13px;
}
.chip b { font-weight: 700; }
.chip span:last-child { color: var(--c-fg-2); }

/* スポンサー企業ロゴ（ランク別） */
.sponsor-tier + .sponsor-tier { margin-top: 40px; }
.sponsor-tier__label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c, var(--c-gold));
}
.sponsor-tier__label small { font-family: var(--font-ja); font-size: 12px; font-weight: 400; letter-spacing: 0.08em; color: var(--c-fg-2); }
.sponsor-tier__label::after { content: ""; flex: 1; height: 1px; background: var(--c-line); }
.sponsor-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 16px; }
.sponsor-logo { display: flex; align-items: center; justify-content: center; aspect-ratio: 2 / 1; padding: 16px; }
.sponsor-logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
@media (min-width: 768px) {
  .sponsor-grid--l { grid-template-columns: repeat(3, 1fr); }
  .sponsor-grid--m { grid-template-columns: repeat(4, 1fr); }
  .sponsor-grid--s { grid-template-columns: repeat(6, 1fr); gap: 12px; }
  .sponsor-grid--s .sponsor-logo { padding: 10px; font-size: 11px; }
}

/* サポーティングパートナー（独立枠） */
.support-partner { margin-top: 56px; }
.support-partner__label { --c: var(--c-fg); }
.support-partner__card { margin-top: 16px; padding: 0; overflow: hidden; display: grid; }
.support-partner__logos { background: #fff; display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 24px 48px; padding: 32px 24px; }
.support-partner__logos img { height: 36px; width: auto; max-width: 100%; object-fit: contain; }
.support-partner__logos a { display: block; max-width: 100%; transition: opacity 0.25s; }
.support-partner__logos a:hover { opacity: 0.7; }
.support-partner__body { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: center; gap: 4px 16px; padding: 16px 24px; text-align: center; }
.support-partner__name { font-size: 16px; font-weight: 700; }
.support-partner__note { font-size: 13px; color: var(--c-fg-2); }
.support-partner__sub { flex-basis: 100%; font-size: 12px; color: var(--c-fg-2); text-wrap: pretty; }
@media (min-width: 768px) {
  .support-partner__logos { padding: 40px 48px; gap: 32px 72px; }
  .support-partner__logos img { height: 44px; }
}

/* 会員ランク（Community） */
.rank + .rank { margin-top: 64px; }
.rank__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 20px;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--c-line);
}
.rank__name { font-family: var(--font-en); font-size: 28px; font-weight: 600; letter-spacing: 0.02em; color: var(--c, var(--c-fg)); }
.rank__ja { font-size: 14px; color: var(--c-fg-2); }
.rank--platinum { --c: #e3e8f0; }
.rank--gold { --c: var(--c-gold); }
.rank--silver { --c: #b9c0cc; }
.rank--supporting { --c: var(--c-fg-2); }
.rich-card__industry { margin-top: 6px; font-size: 13px; letter-spacing: 0.04em; color: var(--c-fg-2); }
.rich-card--gold .rich-card__logo { width: 180px; height: 108px; }
/* プラチナは3社を1列に並べる */
@media (min-width: 1024px) { .rank--platinum .grid-2 { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .rank--platinum .rich-card { flex-direction: column; } .rank--platinum .rich-card__side { align-items: flex-start; } }
.logo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
@media (min-width: 640px) { .logo-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .logo-grid { grid-template-columns: repeat(4, 1fr); } }
.logo-card { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 20px 16px; text-align: center; }
.logo-card .ph { width: 100%; aspect-ratio: 5 / 3; }
.logo-card__name { font-size: 14px; font-weight: 700; line-height: 1.5; }
/* 会員ロゴは濃紺背景では読めないものが多いため、ロゴ枠のみ白地にする */
.logo-card .ph, .rich-card__logo--member { background: #fff; border-color: rgba(255, 255, 255, 0.35); }
/* ランクが上ほどロゴを大きく（プラチナ＞ゴールド＞シルバー＞ブロンズ） */
.rank--silver .logo-card .ph { max-width: 148px; }
.rank--supporting .logo-card .ph { max-width: 118px; }
.rank--supporting .logo-card__name { font-size: 13px; }
@media (min-width: 1024px) { .rank--supporting .logo-grid { grid-template-columns: repeat(5, 1fr); } }
.name-list { display: flex; flex-wrap: wrap; gap: 8px 12px; }
.name-list li { padding: 8px 16px; border: 1px solid var(--c-line); font-size: 14px; color: var(--c-fg-2); }

/* 入会申込フォーム（Community）。Google フォームは iframe、HubSpot はスクリプトが生成 */
.join-form iframe { display: block; width: 100%; min-height: 1100px; border: 0; background: #fff; border-radius: 4px; }
.join-form .hs-form fieldset { max-width: none; }
.join-form .hs-form label { display: block; margin-bottom: 6px; font-size: 14px; font-weight: 700; color: var(--c-fg); }
.join-form .hs-form .hs-form-field { margin-bottom: 20px; }
.join-form .hs-form input[type="text"], .join-form .hs-form input[type="email"], .join-form .hs-form input[type="tel"],
.join-form .hs-form select, .join-form .hs-form textarea {
  width: 100%;
  padding: 12px 14px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 4px;
  color: var(--c-fg);
  font: inherit;
  font-size: 15px;
}
.join-form .hs-form input:focus, .join-form .hs-form select:focus, .join-form .hs-form textarea:focus { outline: 2px solid var(--c-accent-hover); outline-offset: 2px; }
.join-form .hs-form .hs-error-msgs { margin-top: 6px; font-size: 13px; color: var(--c-accent-hover); }
.join-form .hs-form .hs-button {
  display: inline-flex; align-items: center; justify-content: center;
  height: 52px; padding-inline: 36px; border: 0; border-radius: 999px;
  background: var(--c-accent); color: var(--c-fg); font: inherit; font-weight: 700; font-size: 15px; cursor: pointer;
}
.join-form .hs-form .hs-button:hover { background: var(--c-accent-hover); }
.join-form .submitted-message { font-size: 15px; color: var(--c-fg-2); }

/* CI の活動紹介（Community） */
.activities { display: grid; grid-template-columns: 1fr; gap: 24px; }
@media (min-width: 768px) { .activities { grid-template-columns: repeat(3, 1fr); } }
.activity { padding: 28px; }
.activity__no { font-family: var(--font-en); font-size: 13px; letter-spacing: 0.15em; color: var(--c-gold); }
.activity__title { margin-top: 12px; font-size: 18px; font-weight: 700; line-height: 1.5; }
.activity__desc { margin-top: 12px; font-size: 14px; line-height: 1.9; color: var(--c-fg-2); }

/* 会場図 */
.floor-btn { display: block; width: 100%; padding: 16px; text-align: left; transition: border-color 0.25s; }
.floor-btn:hover { border-color: rgba(255, 255, 255, 0.4); }
@media (min-width: 768px) { .floor-btn { padding: 32px; } }
.floor { position: relative; }
.floor svg { width: 100%; height: auto; font-family: var(--font-ja); }
.floor img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: contain; border-radius: 6px; }
.floor .l { stroke: rgba(255, 255, 255, 0.45); fill: none; stroke-width: 1.5; }
.floor .l2 { stroke: rgba(255, 255, 255, 0.2); fill: none; stroke-width: 1; }
.floor .t { fill: rgba(255, 255, 255, 0.7); font-size: 13px; }
.floor .t2 { fill: #fff; font-size: 14px; font-weight: 700; }
.floor .ten { font-family: var(--font-en); letter-spacing: 0.1em; }
.floor .f { fill: rgba(255, 255, 255, 0.06); }
.floor .f2 { fill: rgba(255, 255, 255, 0.12); }
.floor [data-booth] rect { stroke: rgba(255, 255, 255, 0.3); stroke-width: 1; }
.floor [data-booth][data-name]:not([data-name=""]) rect { stroke: var(--c-gold); cursor: pointer; }
.floor [data-booth].is-hover rect { fill: rgba(255, 255, 255, 0.12); }
.floor__tip {
  position: absolute;
  top: 8px; right: 8px;
  padding: 6px 12px;
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  font-size: 13px;
  font-weight: 700;
  pointer-events: none;
}

/* ---------- 18. 参加費・申込フロー・ENTRY ---------- */
.price-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 768px) { .price-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; } }
.price-mini { padding: 24px; }
@media (min-width: 768px) { .price-mini { padding: 32px; } }
.price-mini__label { font-size: 14px; font-weight: 700; color: var(--c-fg-2); }
.price { display: flex; align-items: baseline; gap: 4px; }
.price .yen { font-size: 0.5em; color: var(--c-fg-2); }
.price-card { display: flex; flex-direction: column; height: 100%; padding: 32px; }
@media (min-width: 768px) { .price-card { padding: 40px; } }
.price-card--highlight { border-color: var(--c-accent); }
.price-card__label { font-size: 15px; font-weight: 700; color: var(--c-fg-2); }
.price-card__includes { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--c-line); }
.price-card .btn { margin-top: 32px; width: 100%; }
.price-card__note { margin-top: 20px; font-size: 13px; color: var(--c-fg-2); }

.flow { display: grid; grid-template-columns: 1fr; gap: 32px; }
@media (min-width: 768px) { .flow { grid-template-columns: repeat(4, 1fr); gap: 24px; } }
.flow__item { padding-top: 24px; border-top: 1px solid var(--c-line); }
.flow__no { color: var(--c-accent); }
.flow__title { margin-top: 16px; font-size: 16px; font-weight: 700; }
.flow__desc { margin-top: 8px; font-size: 14px; color: var(--c-fg-2); }

.entry__steps { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--c-line); }
.entry__steps li { display: flex; align-items: flex-start; gap: 16px; font-size: 15px; }
.entry__steps .no { flex-shrink: 0; width: 24px; margin-top: 2px; font-family: var(--font-en); color: var(--c-accent); }
.entry__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 32px; }

.outline { border-top: 1px solid var(--c-line); }
.outline > div {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 16px;
  padding-block: 20px;
  border-bottom: 1px solid var(--c-line);
  font-size: 15px;
}
@media (min-width: 768px) { .outline > div { grid-template-columns: 160px 1fr; gap: 32px; } }
.outline dt { font-weight: 700; color: var(--c-fg-2); }

.tiers { margin-top: 48px; border-top: 1px solid var(--c-line); }
.tiers > div { display: grid; grid-template-columns: 1fr; gap: 8px; padding-block: 20px; border-bottom: 1px solid var(--c-line); font-size: 15px; }
@media (min-width: 768px) { .tiers > div { grid-template-columns: 180px 1fr; gap: 32px; } }
.tiers dt { font-weight: 700; }
.tiers dd { color: var(--c-fg-2); }

.benefits { border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.benefits li { display: flex; align-items: center; gap: 20px; padding-block: 20px; font-size: 15px; }
.benefits li + li { border-top: 1px solid var(--c-line); }
.benefits .no { font-family: var(--font-en); font-size: 20px; color: var(--c-accent); }
@media (min-width: 768px) { .benefits li { font-size: 16px; } }
.join-grid { display: grid; gap: 48px; }
@media (min-width: 768px) { .join-grid { grid-template-columns: 1fr auto; gap: 64px; } }
.join-grid__actions { display: flex; flex-direction: column; gap: 16px; }
@media (min-width: 768px) { .join-grid__actions { padding-top: 8px; } }

.voice { position: relative; padding: 32px; }
.voice__mark { position: absolute; top: 16px; left: 24px; font-family: var(--font-en); font-size: 64px; line-height: 1; color: var(--c-gold); }
.voice__quote { margin-top: 40px; min-height: 4em; font-size: 15px; line-height: 1.9; color: var(--c-fg-2); }
.voice__who { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--c-line); font-size: 13px; color: var(--c-fg-2); }
.voice-grid .voice { display: flex; flex-direction: column; }
.voice-grid .voice__quote { flex: 1; min-height: 0; }
.voice__rank { display: flex; align-items: baseline; gap: 8px; font-family: var(--font-en); font-size: 13px; font-weight: 600; letter-spacing: 0.04em; color: var(--c, var(--c-fg)); }
.voice__rank span { font-family: inherit; font-size: 12px; font-weight: 400; color: var(--c-fg-2); }
.voice__name { margin-top: 4px; font-size: 15px; font-weight: 600; color: var(--c-fg); }
.voice__link { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--c-fg-2); text-decoration: underline; text-underline-offset: 3px; }
.voice__link:hover { color: var(--c-fg); }

.venue { display: grid; gap: 40px; }
@media (min-width: 768px) { .venue { grid-template-columns: repeat(2, 1fr); } }
.venue__name { font-size: 20px; font-weight: 700; }
.venue__addr { margin-top: 8px; font-size: 15px; color: var(--c-fg-2); }
.venue__map { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; aspect-ratio: 4 / 3; overflow: hidden; }
.venue__map iframe { width: 100%; height: 100%; border: 0; }

.cta-band { display: flex; flex-direction: column; align-items: flex-start; gap: 24px; padding: 32px; }
@media (min-width: 768px) { .cta-band { flex-direction: row; align-items: center; justify-content: space-between; padding: 48px; } }

/* ---------- 19. タブ ---------- */
.tabs__list {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--c-line);
  scrollbar-width: none;
}
.tabs__list::-webkit-scrollbar { display: none; }
.tab {
  position: relative;
  flex-shrink: 0;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-fg-3);
  transition: color 0.25s;
}
@media (min-width: 768px) { .tab { padding-inline: 28px; } }
.tab:hover { color: var(--c-fg-2); }
.tab[aria-selected="true"] { color: var(--c-fg); }
.tab::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--c, var(--c-accent));
  opacity: 0;
  transition: opacity 0.25s;
}
.tab[aria-selected="true"]::after { opacity: 1; }
.tabpanel { padding-top: 40px; outline: none; }

/* ---------- 20. アコーディオン（FAQ） ---------- */
.acc { border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.acc__item + .acc__item { border-top: 1px solid var(--c-line); }
.acc__btn {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  padding-block: 24px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  transition: color 0.25s;
}
@media (min-width: 768px) { .acc__btn { font-size: 17px; } }
.acc__q { display: flex; gap: 16px; }
.acc__q::before { content: "Q"; font-family: var(--font-en); color: var(--c-accent); }
.acc__arrow { flex-shrink: 0; margin-top: 4px; color: var(--c-fg-2); transition: transform 0.3s; }
.acc__btn[aria-expanded="true"] .acc__arrow { transform: rotate(180deg); }
.acc__panel { padding: 0 0 28px 32px; font-size: 15px; color: var(--c-fg-2); }
@media (min-width: 768px) { .acc__panel { padding-right: 48px; } }

/* ---------- 21. モーダル ---------- */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: rgba(13, 26, 45, 0.9);
  opacity: 0;
  transition: opacity 0.2s;
}
@media (min-width: 768px) { .modal { padding: 32px; } }
.modal.is-open { opacity: 1; }
.modal__panel {
  position: relative;
  width: 100%;
  max-width: 720px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 24px;
  background: var(--c-bg-2);
  border: 1px solid var(--c-line);
  border-radius: 4px;
  outline: none;
  transform: translateY(16px) scale(0.98);
  transition: transform 0.25s var(--ease);
}
@media (min-width: 768px) { .modal__panel { padding: 40px; } }
.modal.is-open .modal__panel { transform: none; }
.modal--wide .modal__panel { max-width: 1200px; }
.modal__close {
  position: absolute;
  top: 16px; right: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  color: var(--c-fg-2);
  transition: background-color 0.25s, color 0.25s;
}
.modal__close:hover { background: var(--c-card); color: var(--c-fg); }
.modal__title { padding-right: 40px; }
.modal__body { margin-top: 24px; }
.modal__time { font-family: var(--font-en); font-size: 15px; letter-spacing: 0.05em; color: var(--c-fg-2); }
.modal__section { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--c-line); }
/* モーダルの中身は HTML 内に hidden で置いておき、JS が複製して表示する */
.modal-src { display: none; }

/* ---------- 22. reduced-motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .marquee-track, .hero__scroll-line::after, .float__inner { animation: none !important; }
  .reveal, .reveal-group > .reveal-item { opacity: 1; transform: none; filter: none; transition: none; }
  .video-bg video { display: none; }
  .video-bg__poster { display: block; }
  .intro { display: none; }
}

.rank__note { text-align: left; margin-top: 14px; margin-bottom: 0; }

/* =====================================================================
   14. 法務ページ（terms / privacy-event / tokushoho）
   ===================================================================== */
.page-hero--legal { min-height: 0; padding-top: 150px; padding-bottom: 48px; }
@media (min-width: 768px) { .page-hero--legal { padding-top: 180px; padding-bottom: 64px; } }

.legal { max-width: 900px; }
.legal p { font-size: 15px; line-height: 2; color: var(--c-fg-2); }
@media (min-width: 768px) { .legal p { font-size: 16px; } }
.legal a { color: var(--c-fg); }
.legal a:hover { color: var(--c-accent-hover); }

.legal__h1 {
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--c-line);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-fg);
}
.legal__h1 small { display: inline-block; margin-top: 8px; font-size: 14px; font-weight: 400; color: var(--c-fg-3); }

.legal__h2 {
  margin-top: 48px;
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--c-fg);
}
@media (min-width: 768px) { .legal__h2 { margin-top: 56px; font-size: 19px; } }
.legal__h2::before {
  content: "";
  display: inline-block;
  width: 18px; height: 2px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--c-accent);
}

.legal__lead { margin-bottom: 8px; }

.legal__ol { margin: 0; padding: 0; counter-reset: legal-item; }
.legal__ol > li {
  position: relative;
  margin-top: 12px;
  padding-left: 2.2em;
  font-size: 15px;
  line-height: 2;
  color: var(--c-fg-2);
  counter-increment: legal-item;
}
@media (min-width: 768px) { .legal__ol > li { font-size: 16px; } }
.legal__ol > li::before {
  content: counter(legal-item) ".";
  position: absolute;
  left: 0;
  font-variant-numeric: tabular-nums;
  color: var(--c-fg-3);
}
.legal__ol--paren { margin-top: 8px; counter-reset: legal-sub; }
.legal__ol--paren > li { counter-increment: legal-sub; padding-left: 2.6em; }
.legal__ol--paren > li::before { content: "(" counter(legal-sub) ")"; }

.legal__ul { margin: 12px 0 0; padding: 0; }
.legal__ul > li {
  position: relative;
  margin-top: 8px;
  padding-left: 1.4em;
  font-size: 15px;
  line-height: 2;
  color: var(--c-fg-2);
}
@media (min-width: 768px) { .legal__ul > li { font-size: 16px; } }
.legal__ul > li::before {
  content: "";
  position: absolute;
  left: 2px; top: 0.9em;
  width: 6px; height: 1px;
  background: var(--c-accent);
}

.legal__sign {
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--c-line);
  font-size: 14px !important;
  color: var(--c-fg-3) !important;
}

/* ---- 表 ---- */
.legal-table__wrap { margin: 16px 0 8px; overflow-x: auto; }
.legal-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  font-size: 14px;
  line-height: 1.8;
}
@media (min-width: 768px) { .legal-table { font-size: 15px; } }
.legal-table th,
.legal-table td {
  padding: 14px 16px;
  border: 1px solid var(--c-line);
  text-align: left;
  vertical-align: top;
}
.legal-table thead th {
  background: rgba(255, 255, 255, 0.06);
  font-weight: 700;
  color: var(--c-fg);
  white-space: nowrap;
}
.legal-table tbody th { font-weight: 700; color: var(--c-fg); }
.legal-table tbody td { color: var(--c-fg-2); }
.legal-table p { font-size: inherit !important; line-height: 1.8; }
.legal-table--defs tbody th { width: 30%; min-width: 150px; background: rgba(255, 255, 255, 0.03); }
.legal-table--defs tbody th small { font-weight: 400; color: var(--c-fg-3); }
.legal-table--compact { min-width: 0; }
.legal-table__wrap--inner { margin: 0 0 4px; }

/* ---- 相談窓口 ---- */
.legal-contact { margin-top: 16px; }
.legal-contact p + p { margin-top: 2px; }
.legal-contact__name { font-weight: 700; color: var(--c-fg) !important; }


/* ---- 関連ページ ---- */
.legal__related { display: grid; gap: 12px; margin-top: 56px; }
@media (min-width: 768px) { .legal__related { grid-template-columns: repeat(3, 1fr); } }
.legal__related-item {
  display: block;
  padding: 20px 24px;
  transition: border-color 0.25s, background-color 0.25s;
}
.legal__related-item:hover { border-color: var(--c-accent); background: rgba(236, 115, 6, 0.08); }
.legal__related-label { display: block; font-size: 13px; letter-spacing: 0.1em; color: var(--c-accent); }
.legal__related-ttl { display: block; margin-top: 6px; font-size: 15px; font-weight: 700; color: var(--c-fg); }

/* =====================================================================
   15. 参加申込フォーム（ticket.html #entry）
   ===================================================================== */
.fm-intro { margin-bottom: 20px; }
.fm-intro__lead { font-size: 16px; font-weight: 700; line-height: 1.9; color: var(--c-fg); }
.fm-intro__note { margin-top: 12px; font-size: 14px; line-height: 1.9; color: var(--c-fg-2); }

.fm__section {
  margin-top: 44px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-fg);
}
.fm > .fm__section:first-child { margin-top: 0; }
.fm__section-note { margin-top: 12px; font-size: 14px; line-height: 1.9; color: var(--c-fg-2); }

.fm__grid { display: grid; gap: 0; }
@media (min-width: 768px) { .fm__grid { grid-template-columns: 1fr 1fr; gap: 0 24px; } }

.fm__field { margin-top: 24px; }
.fm__fieldset { margin-inline: 0; padding: 0; border: 0; }

.fm__label {
  display: block;
  margin-bottom: 8px;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--c-fg);
}
.fm__req {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border-radius: 2px;
  background: var(--c-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  vertical-align: 2px;
}
.fm__note { margin-top: 6px; font-size: 13px; line-height: 1.7; color: var(--c-fg-3); }

.fm__input {
  display: block;
  width: 100%;
  height: 52px;
  padding: 0 16px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-fg);
  font-family: var(--font-ja);
  font-size: 16px;   /* 16px 未満にすると iOS で拡大されるため下げないこと */
  line-height: 1.6;
  transition: border-color 0.2s, background-color 0.2s;
}
.fm__input::placeholder { color: rgba(255, 255, 255, 0.3); }
.fm__input:hover { border-color: rgba(255, 255, 255, 0.3); }
.fm__input:focus {
  border-color: var(--c-accent);
  background: rgba(255, 255, 255, 0.1);
  outline: 2px solid var(--c-accent-hover);
  outline-offset: 2px;
}
.fm__input:user-invalid { border-color: var(--c-accent-hover); }
.fm__textarea { height: auto; min-height: 120px; padding: 14px 16px; resize: vertical; }

/* ---- ラジオ ---- */
.fm__choices { display: grid; gap: 10px; margin-top: 12px; }
.fm__choice {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.fm__choice:hover { border-color: rgba(255, 255, 255, 0.35); background: rgba(255, 255, 255, 0.06); }
.fm__choice input { flex-shrink: 0; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--c-accent); cursor: pointer; }
.fm__choice span { font-size: 15px; line-height: 1.7; color: var(--c-fg); }
.fm__choice small { display: block; margin-top: 4px; font-size: 13px; line-height: 1.7; color: var(--c-fg-3); }
.fm__choice:has(input:checked) { border-color: var(--c-accent); background: rgba(236, 115, 6, 0.1); }

/* ---- 同意チェック ---- */
.fm__agrees { display: grid; gap: 12px; }
.fm__agree {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
  cursor: pointer;
  transition: border-color 0.2s, background-color 0.2s;
}
.fm__agree:hover { border-color: rgba(255, 255, 255, 0.35); }
.fm__agree input { flex-shrink: 0; width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--c-accent); cursor: pointer; }
.fm__agree span { font-size: 14px; line-height: 1.9; color: var(--c-fg-2); }
.fm__agree b { color: var(--c-fg); }
.fm__agree a { display: inline-block; margin-left: 4px; color: var(--c-fg); white-space: nowrap; }
.fm__agree a:hover { color: var(--c-accent-hover); }
.fm__agree:has(input:checked) { border-color: var(--c-accent); background: rgba(236, 115, 6, 0.08); }

.fm__actions { margin-top: 36px; display: grid; gap: 12px; justify-items: start; }
.fm__actions .btn { min-width: 260px; }
@media (max-width: 640px) { .fm__actions { justify-items: stretch; } .fm__actions .btn { min-width: 0; width: 100%; } }

/* ---- 送信結果 ---- */
.fm-result__label { font-size: 14px; letter-spacing: 0.12em; color: var(--c-accent); }
.fm-result__ttl { margin: 8px 0 16px; font-size: 22px; font-weight: 700; line-height: 1.5; color: var(--c-fg); }
.fm-result p { font-size: 15px; line-height: 1.9; color: var(--c-fg-2); }
.fm-result--error { border-color: var(--c-accent); }
.fm-result .fm__actions { margin-top: 24px; }

/* ---- プルダウン（会員区分・支払方法） ---- */
.fm__selectwrap { position: relative; }
.fm__selectwrap::after {
  content: "";
  position: absolute;
  right: 18px; top: 50%;
  width: 8px; height: 8px;
  margin-top: -6px;
  border-right: 2px solid var(--c-fg-2);
  border-bottom: 2px solid var(--c-fg-2);
  transform: rotate(45deg);
  pointer-events: none;
}
.fm__select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 44px;
  cursor: pointer;
}
.fm__select:invalid { color: rgba(255, 255, 255, 0.4); }   /* 未選択のあいだはプレースホルダ色 */
.fm__select option { background: var(--c-bg-2); color: var(--c-fg); }
.fm__select option[disabled] { color: var(--c-fg-3); }

/* 選択肢の補足説明 */
.fm__deflist { margin: 12px 0 0; padding: 14px 18px; border: 1px solid var(--c-line); border-radius: 4px; background: rgba(255, 255, 255, 0.03); }
.fm__deflist dt { font-size: 13px; font-weight: 700; color: var(--c-fg); }
.fm__deflist dt:not(:first-child) { margin-top: 10px; }
.fm__deflist dd { margin: 2px 0 0; font-size: 13px; line-height: 1.7; color: var(--c-fg-3); }

/* 事前支払を促す注記 */
.fm__lead-note { margin: 0 0 10px; font-size: 13px; line-height: 1.8; color: var(--c-fg-2); }
.fm__lead-note b { color: var(--c-fg); }
.fm__deflist__flag {
  display: inline-block;
  margin-left: 8px;
  padding: 1px 7px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  font-size: 11px;
  font-weight: 400;
  color: var(--c-fg-3);
}

/* 任意項目のラベル */
.fm__opt {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 8px;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--c-fg-3);
  vertical-align: 2px;
}

/* サポーティングパートナーのロゴ（TOP の開催概要とフッター）。黒ロゴは白抜きにして使う */
.partner-logos { display: flex; flex-wrap: wrap; align-items: center; gap: 20px 40px; margin-top: 20px; }
.partner-logos a { display: block; transition: opacity 0.25s; }
.partner-logos a:hover { opacity: 0.7; }
.partner-logos img { width: auto; }
.partner-logos__dg { height: 22px; }