@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;400;500;600;700;900&display=swap');

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --red:       #C8264A;
  --red-dark:  #9E1D38;
  --mint:      #C6F0DE;
  --mint-mid:  #7EDDB5;
  --mint-vivid:#2DC98A;
  --pink:      #FFD6E8;
  --pink-vivid:#F5649B;
  --yellow:    #FFE45E;
  --black:     #121212;
  --off-black: #1E1E1E;
  --gray:      #555;
  --gray-light:#999;
  --white:     #FAFAF8;
  --border:    #E8E8E4;
  --beige:     #F7F4EE;
  --radius:    20px;
  --radius-sm: 12px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

/* ── Typography ── */
h1,h2,h3,h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.8rem, 7vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

.mark {
  background: linear-gradient(transparent 52%, var(--yellow) 52%);
  display: inline;
  padding-bottom: 2px;
}
.mark-mint {
  background: linear-gradient(transparent 52%, var(--mint) 52%);
  display: inline;
}

.label-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--red);
  border: 2px solid var(--red);
  border-radius: 100px;
  padding: 5px 16px;
  margin-bottom: 20px;
}

/* ── Layout ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 12px; }
.section { padding: 120px 0; }

/* ── Img placeholder ── */
.img-ph {
  position: relative;
  background: #EFEFEB;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.img-ph::before {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    -45deg, transparent, transparent 10px,
    rgba(0,0,0,0.035) 10px, rgba(0,0,0,0.035) 20px
  );
}
.img-ph figcaption {
  position: relative;
  font-family: monospace;
  font-size: 11px;
  color: #aaa;
  text-align: center;
  padding: 24px;
  line-height: 1.7;
  pointer-events: none;
}

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 100px;
  font-size: 0.92rem; font-weight: 700;
  font-family: 'Noto Sans JP', sans-serif;
  cursor: pointer; transition: all 0.22s cubic-bezier(0.34,1.56,0.64,1);
  text-decoration: none; border: none; letter-spacing: 0.02em;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 4px 20px rgba(200,38,74,0.3); }
.btn-primary:hover { background: var(--red-dark); box-shadow: 0 8px 30px rgba(200,38,74,0.45); }
.btn-outline { background: transparent; color: var(--red); border: 2.5px solid var(--red); }
.btn-outline:hover { background: var(--red); color: #fff; }
.btn-dark { background: var(--black); color: #fff; }
.btn-dark:hover { background: #333; }
.btn-mint { background: var(--mint-vivid); color: #fff; box-shadow: 0 4px 20px rgba(45,201,138,0.35); }
.btn-mint:hover { filter: brightness(1.1); box-shadow: 0 8px 30px rgba(45,201,138,0.5); }

/* ── Header ── */
#site-header {
  position: fixed; top: 0; left: 0; right: auto; width: 100%; z-index: 100;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s, box-shadow 0.3s;
}
#site-header.scrolled {
  border-color: var(--border);
  box-shadow: 0 2px 24px rgba(0,0,0,0.07);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; padding: 0 28px; max-width: 1300px; margin: 0 auto;
}
.logo-wrap { display: inline-flex; align-items: center; text-decoration: none; }
.header-logo-img {
  height: 46px;
  width: auto;
  display: block;
  object-fit: contain;
}
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  font-size: 0.78rem; font-weight: 600;
  color: var(--black); text-decoration: none;
  padding: 6px 11px; border-radius: 8px;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.main-nav a:hover { background: var(--mint); color: var(--black); }
.main-nav a.active { color: var(--red); }
.nav-cta-btn {
  background: var(--red); color: #fff !important;
  border-radius: 100px !important; padding: 8px 18px !important;
  font-size: 0.78rem !important;
}
.nav-event-btn {
  background: var(--mint-vivid);
  color: #fff !important;
  border-radius: 100px !important;
  padding: 8px 16px !important;
  font-size: 0.78rem !important;
}
.nav-cta-btn:hover { background: var(--red-dark) !important; }
.nav-event-btn:hover { filter: brightness(1.08); }
.hamburger {
  display: none; background: var(--red); border: none;
  color: #fff; width: 42px; height: 42px; border-radius: 10px;
  cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.hamburger span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.2s; }

/* Mobile nav */
.mobile-menu {
  display: none; position: fixed; inset: 0; z-index: 160;
  background: var(--white); flex-direction: column;
  align-items: center; justify-content: center; gap: 28px;
}
.mobile-menu.open { display: flex; }
.mobile-menu a { font-size: 1.3rem; font-weight: 700; color: var(--black); text-decoration: none; }
.mobile-menu a:hover { color: var(--red); }
.mobile-close {
  position: fixed; top: 16px; right: 16px;
  background: var(--red); color: #fff; border: none;
  width: 44px; height: 44px; border-radius: 10px; cursor: pointer; font-size: 1.1rem;
  display: inline-flex; align-items: center; justify-content: center;
  z-index: 170;
}

/* ── Page navigation bar ── */
.page-nav-bar {
  background: var(--black); padding: 0;
  position: sticky; top: 68px; z-index: 90;
}
.page-nav-inner {
  display: flex; max-width: 1300px; margin: 0 auto; width: 100%;
}
.page-nav-bar a {
  flex: 1; text-align: center; padding: 14px 20px;
  font-size: 0.82rem; font-weight: 700; color: rgba(255,255,255,0.55);
  text-decoration: none; transition: color 0.2s, background 0.2s;
  border-bottom: 3px solid transparent;
}
.page-nav-bar a:hover { color: #fff; background: rgba(255,255,255,0.06); }
.page-nav-bar a.current { color: #fff; border-bottom-color: var(--mint-vivid); }

/* ── Marquee ── */
.marquee-wrap {
  background: var(--black); padding: 16px 0; overflow: hidden;
  border-top: 2px solid rgba(255,255,255,0.07);
  border-bottom: 2px solid rgba(255,255,255,0.07);
}
.marquee-track {
  display: flex; gap: 0;
  animation: marquee 22s linear infinite;
  width: max-content;
}
.marquee-item {
  display: flex; align-items: center; gap: 20px;
  padding: 0 32px; white-space: nowrap;
  font-size: 0.82rem; font-weight: 700; letter-spacing: 0.12em;
  color: rgba(255,255,255,0.7); text-transform: uppercase;
}
.marquee-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--mint-vivid); flex-shrink: 0;
}
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── Hero ── */
#hero {
  padding-top: 132px;
  min-height: auto;
  display: block;
  position: relative;
  overflow: visible;
}
.hero-bg-shape {
  position: absolute; top: -10%; right: -5%;
  width: 55%; aspect-ratio: 1;
  background: radial-gradient(circle at 60% 40%, var(--mint) 0%, transparent 65%);
  opacity: 0.65; pointer-events: none;
}
.hero-bg-shape2 {
  position: absolute; bottom: -10%; left: -5%;
  width: 40%; aspect-ratio: 1;
  background: radial-gradient(circle at 40% 60%, var(--pink) 0%, transparent 65%);
  opacity: 0.7; pointer-events: none;
}
.hero-inner {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 72px;
  align-items: center;
  position: relative; z-index: 1;
  width: 100%;
  margin: 0;
  padding: 40px 0 60px;
}
.hero-copy {
  max-width: 100%;
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
}
.hero-eyebrow {
  display: flex; align-items: center; gap: 10px;
  font-size: 0.82rem; font-weight: 600; color: var(--red);
  margin-bottom: 18px;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 2.5px; background: var(--red);
}
.hero-title {
  font-size: clamp(1.9rem, 3.2vw, 3.3rem);
  font-weight: 600; line-height: 1.3;
  margin-bottom: 28px;
  word-break: keep-all;
  overflow-wrap: normal;
  line-break: strict;
}
.hero-title .mark,
.hero-title .mark-mint {
  display: inline-block;
  width: max-content;
  white-space: nowrap;
  overflow: visible;
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero-body {
  font-size: 1rem; color: var(--gray); line-height: 1.9;
  max-width: 520px; margin-bottom: 36px;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-media {
  position: relative;
  width: 100%;
  margin-left: 0;
}
.hero-media-inner {
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.12);
  position: relative;
}
.hero-video-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border: 3px solid rgba(255,255,255,0.9);
  box-shadow: 0 26px 70px rgba(0,0,0,0.32), 0 0 0 6px rgba(255,255,255,0.14);
}
.hero-video-wrap iframe {
  pointer-events: auto;
}
.hero-badge {
  position: absolute; bottom: -16px; left: -16px;
  background: var(--yellow); border-radius: 14px;
  padding: 14px 20px; box-shadow: 0 8px 32px rgba(0,0,0,0.12);
  z-index: 2;
}
.hero-badge-title { font-size: 0.68rem; font-weight: 700; color: var(--black); margin-bottom: 2px; }
.hero-badge-val { font-size: 1.4rem; font-weight: 900; color: var(--black); }

/* ── Section headers ── */
.sec-header { margin-bottom: 56px; }
.sec-header.center { text-align: center; }

/* ── Concept ── */
#concept { background: var(--mint); }
.concept-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.concept-quote {
  font-size: clamp(1.3rem, 3vw, 1.9rem); font-weight: 700; line-height: 1.5;
  color: var(--black); border-left: 4px solid var(--mint-vivid); padding-left: 24px;
  margin: 28px 0;
}

/* ── Black message ── */
#impact {
  background: radial-gradient(circle at 50% 20%, #262626 0%, var(--black) 55%);
  padding: 160px 0;
  text-align: center;
  overflow: hidden;
}
.impact-panel {
  max-width: 980px;
  margin: 0 auto;
  padding: 44px 20px 24px;
}
.impact-heading {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}
.impact-kicker {
  display: inline-flex;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 100px;
  padding: 7px 16px;
}
.impact-headline {
  --impact-reveal: 0;
  font-size: clamp(2.3rem, 4.9vw, 4.2rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.04em;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: opacity 0.2s ease;
}
.impact-line-1 { color: #FFE45E; }
.impact-line-2 { color: #7EDDB5; }
/* ── Opening splash ── */
.opening-splash {
  min-height: 100vh;
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  text-align: center;
}
.opening-splash-text {
  margin: 0;
  color: #fff;
  font-family: 'Noto Serif JP', serif;
  font-size: clamp(1.6rem, 3.8vw, 3rem);
  line-height: 1.5;
  letter-spacing: 0.06em;
  animation: splashFadeIn 0.8s ease-out both;
}
@keyframes splashFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ── Cards ── */
.card {
  background: #fff; border-radius: var(--radius);
  padding: 36px 32px; border: 1.5px solid var(--border);
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.25s;
}
.card:hover { transform: translateY(-6px); box-shadow: 0 20px 60px rgba(0,0,0,0.1); }
.card-mint { background: var(--mint); border-color: var(--mint-mid); }
.card-pink { background: var(--pink); border-color: #FFAED1; }
.card-beige { background: var(--beige); border-color: #E8E4DA; }
.card-dark { background: var(--off-black); color: #fff; border-color: #333; }

/* ── Mechanisms ── */
#mechanisms { background: var(--beige); }
.mech-carousel { margin-bottom: 18px; }
.mech-carousel-track {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 4px 0 4px;
}
.mech-card {
  width: 100%;
  border-radius: var(--radius);
  padding: 44px 40px;
  border: 2px solid transparent;
  transition: border-color 0.2s, transform 0.2s;
}
.mech-card.active { border-color: rgba(0,0,0,0.25); }
.mech-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

/* ── Steps ── */
.steps-list { display: flex; flex-direction: column; }
.step-row {
  display: grid; grid-template-columns: 72px 1fr;
  gap: 28px; padding: 28px 0; align-items: start;
  border-bottom: 1px solid var(--border);
}
.step-row:last-child { border-bottom: none; }
.step-col { display: flex; flex-direction: column; align-items: center; }
.step-circle {
  width: 50px; height: 50px; border-radius: 50%;
  background: var(--red); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 0.72rem; flex-shrink: 0;
  letter-spacing: 0.04em;
}
.step-connector { width: 2px; flex: 1; min-height: 32px; background: var(--border); margin-top: 8px; }
.emp-steps-list { gap: 2px; }
.emp-step-row {
  padding: 6px 4px;
}
.emp-step-row .step-circle {
  width: 44px;
  height: 44px;
  font-size: 0.92rem;
  font-weight: 800;
}
.emp-step-row .step-connector { min-height: 22px; }
.emp-step-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--red);
  margin-bottom: 8px;
}

/* ── Audience entry cards ── */
.entry-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.entry-card {
  border-radius: var(--radius); padding: 44px 36px;
  text-decoration: none; color: inherit; display: flex; flex-direction: column;
  gap: 16px; border: 2.5px solid transparent; position: relative; overflow: hidden;
  transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.25s;
}
.entry-card::before {
  content: '→'; position: absolute; right: 24px; bottom: 24px;
  font-size: 1.8rem; font-weight: 900; opacity: 0.25;
  transition: opacity 0.2s, transform 0.2s;
}
.entry-card:hover { transform: translateY(-8px); box-shadow: 0 28px 72px rgba(0,0,0,0.14); }
.entry-card:hover::before { opacity: 0.65; transform: translate(4px, -4px); }
.entry-card-num { font-size: 3rem; font-weight: 900; opacity: 0.18; line-height: 1; }
.entry-card-tag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.entry-card-title { font-size: 1.3rem; font-weight: 900; line-height: 1.3; }
.entry-card-body { font-size: 0.85rem; line-height: 1.8; opacity: 0.75; }

/* ── Event info ── */
.event-card {
  background: #fff; border-radius: var(--radius);
  overflow: hidden; border: 1.5px solid var(--border);
}
.event-row {
  display: grid; grid-template-columns: 130px 1fr;
  border-bottom: 1px solid var(--border);
}
.event-row:last-child { border-bottom: none; }
.event-row-key {
  padding: 16px 20px; background: var(--beige);
  font-size: 0.8rem; font-weight: 600; color: var(--gray);
  display: flex; align-items: center;
}
.event-row-val {
  padding: 16px 20px; font-size: 0.92rem;
  color: var(--black);
}
.event-points-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(80px, 1fr));
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 6px;
}
.event-floating-link {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 120;
  display: inline-flex;
  flex-direction: column;
  gap: 2px;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, #db5f3d 0%, #e98943 100%);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  border-radius: 14px;
  padding: 10px 14px 11px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.event-floating-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.24);
}
.event-floating-kicker {
  font-size: 0.64rem;
  letter-spacing: 0.12em;
  font-weight: 500;
  opacity: 0.9;
}
.event-floating-title {
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1.15;
}

/* ── Gallery ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: 14px;
}
.gallery-item { border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; transition: transform 0.2s; }
.gallery-item:hover { transform: scale(1.02); }
.gallery-item.tall { grid-row: span 2; }
.gallery-item.wide { grid-column: span 2; }

/* ── FAQ ── */
.faq-list { display: flex; flex-direction: column; }
.faq-item { border-bottom: 1.5px solid var(--border); }
.faq-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 22px 0; background: none; border: none; cursor: pointer;
  text-align: left; font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem; font-weight: 600; color: var(--black); transition: color 0.15s;
}
.faq-btn:hover { color: var(--red); }
.faq-icon {
  flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
  background: var(--mint); display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; transition: transform 0.25s, background 0.25s;
}
.faq-icon.open { transform: rotate(45deg); background: var(--red); color: #fff; }
.faq-ans { display: none; padding: 0 0 22px; color: var(--gray); line-height: 1.88; }
.faq-ans.open { display: block; animation: fadeSlideUp 0.25s ease; }

/* ── Contact ── */
.contact-wrap { background: var(--beige); border-radius: var(--radius); padding: 56px 48px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-field { display: flex; flex-direction: column; gap: 7px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 0.83rem; font-weight: 600; }
.form-field input, .form-field select, .form-field textarea {
  padding: 12px 16px; border: 2px solid var(--border); border-radius: var(--radius-sm);
  font-family: 'Noto Sans JP', sans-serif; font-size: 0.93rem;
  background: #fff; transition: border-color 0.2s; outline: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { border-color: var(--red); }
.form-field textarea { resize: vertical; min-height: 130px; }

/* ── Footer ── */
#site-footer { background: var(--black); color: #fff; padding: 72px 0 32px; }
.footer-top {
  display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px; margin-bottom: 56px;
}
.footer-logo-box { background: var(--red); color: #fff; font-weight: 900; font-size: 1.1rem; padding: 5px 12px; border-radius: 7px; display: inline-block; margin-bottom: 10px; }
.footer-org { font-size: 0.85rem; font-weight: 600; color: #fff; margin-bottom: 4px; }
.footer-tagline { font-size: 0.7rem; color: rgba(255,255,255,0.4); margin-bottom: 20px; }
.footer-sns { display: flex; gap: 10px; margin-top: 4px; }
.footer-sns a {
  width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); text-decoration: none; font-size: 0.75rem;
  transition: background 0.2s;
}
.footer-sns a:hover { background: var(--red); color: #fff; }
.footer-nav-head { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 14px; }
.footer-nav { display: flex; flex-direction: column; gap: 9px; }
.footer-nav a { font-size: 0.83rem; color: rgba(255,255,255,0.6); text-decoration: none; transition: color 0.15s; }
.footer-nav a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-copy { font-size: 0.72rem; color: rgba(255,255,255,0.3); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.72rem; color: rgba(255,255,255,0.3); text-decoration: none; }
.footer-legal a:hover { color: rgba(255,255,255,0.7); }

/* ── Role tags ── */
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag {
  background: #fff; border: 1.5px solid var(--border); border-radius: 100px;
  padding: 6px 16px; font-size: 0.82rem; font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
}
.tag:hover { background: var(--mint); border-color: var(--mint-mid); }

/* ── Stats ── */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat-box { text-align: center; padding: 32px 16px; }
.stat-num { font-size: 2.6rem; font-weight: 900; color: var(--red); line-height: 1; margin-bottom: 6px; }
.stat-unit { font-size: 0.78rem; color: var(--gray-light); }
.stat-label { font-size: 0.78rem; color: var(--gray); margin-top: 4px; }

/* ── Value diagram ── */
.value-hub {
  width: 120px; height: 120px; border-radius: 50%;
  background: var(--black); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; text-align: center; line-height: 1.5;
  box-shadow: 0 8px 40px rgba(0,0,0,0.25); flex-shrink: 0;
}
.value-diagram {
  display: grid; grid-template-columns: 1fr 100px 1fr;
  gap: 24px; align-items: center;
}
.value-connector { height: 2px; background: var(--border); }

/* ── Checklist ── */
.check-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.check-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.93rem; line-height: 1.7; }
.check-list li::before {
  content: '';
  display: block; width: 20px; height: 20px; min-width: 20px;
  border-radius: 50%; margin-top: 2px;
  background: var(--mint-vivid);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10l4 4 6-7' stroke='white' stroke-width='2.2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-size: 16px; background-position: center; background-repeat: no-repeat;
}

/* ── Page-specific layout helpers ── */
.role-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.role-card {
  padding: 28px 24px;
  text-align: center;
}
.flow-grid,
.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.collab-card {
  border-radius: var(--radius);
  padding: 48px 44px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: start;
}
.dei-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.dei-points-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ── Animations ── */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.65s ease, transform 0.65s ease; }
.fade-up.in { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }

/* ── Utility ── */
.text-red { color: var(--red); }
.text-gray { color: var(--gray); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }

/* ── Scroll anchor offset ── */
[id] { scroll-margin-top: 78px; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-item.tall, .gallery-item.wide { grid-column: auto; grid-row: auto; }
  .value-diagram { grid-template-columns: 1fr; }
  .value-connector { display: none; }
  .value-hub { margin: 0 auto; }
  .event-points-grid { grid-template-columns: repeat(4, minmax(220px, 1fr)); }
}
@media (max-width: 900px) {
  .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
  .flow-grid,
  .process-grid,
  .collab-card,
  .dei-grid { grid-template-columns: 1fr; gap: 22px; }
}
@media (max-width: 768px) {
  #site-header {
    top: env(safe-area-inset-top);
    left: 0;
    right: auto;
    width: 100%;
    padding-top: 0;
  }
  .header-inner {
    height: 64px;
    padding: 0 16px;
    width: 100%;
    max-width: 1300px;
  }
  .page-nav-bar { top: calc(64px + env(safe-area-inset-top)); width: 100%; }
  .page-nav-inner { width: 100%; max-width: 1300px; }
  [id] { scroll-margin-top: calc(74px + env(safe-area-inset-top)); }
  .container { padding: 0 16px; }
  .main-nav { display: none; }
  .hamburger { display: flex; }
  .section { padding: 64px 0; }
  .sec-header { margin-bottom: 36px; }
  .label-pill { margin-bottom: 14px; }
  .card,
  .entry-card,
  .mech-card,
  .contact-wrap { border-radius: 16px; }
  .card { padding: 28px 22px; }
  .entry-card { padding: 30px 24px; }
  .entry-card::before { right: 18px; bottom: 18px; }
  .entry-cards { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .role-card { padding: 22px 14px; }
  .dei-points-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .grid-2, .grid-3, .concept-grid, .mech-card-grid { gap: 22px !important; }
  .contact-wrap { padding: 28px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  #impact { padding: 100px 0; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .concept-grid { grid-template-columns: 1fr; }
  .hero-media { width: 100%; margin-left: 0; }
  .hero-copy { max-width: 100%; }
  #hero { padding-top: 104px; }
  .hero-inner { gap: 26px; padding: 20px 0 28px; }
  .hero-title { margin-bottom: 18px; }
  .hero-body { margin-bottom: 24px; }
  .hero-btns { gap: 10px; }
  .btn { width: 100%; justify-content: center; }
  .hero-btns .btn { width: auto; min-width: 48%; }
  .hero-badge { display: none; }
  .mech-card { padding: 26px 20px; }
  .mech-card-grid { grid-template-columns: 1fr; gap: 24px; }
  .step-row { grid-template-columns: 56px 1fr; gap: 16px; padding: 18px 0; }
  .step-circle { width: 40px; height: 40px; font-size: 0.65rem; }
  .event-row { grid-template-columns: 96px 1fr; }
  .event-row-key, .event-row-val { padding: 12px 12px; }
  .img-ph { height: min(240px, 48vw) !important; }
  .hero-media .img-ph,
  .mech-card .img-ph,
  .gallery-item .img-ph { height: min(220px, 42vw) !important; }
  .mechanism-tags,
  .mechanism-tag { display: none !important; }
  .event-points-grid { grid-template-columns: repeat(4, minmax(220px, 1fr)); }
  .event-floating-link {
    right: 12px;
    bottom: 12px;
    border-radius: 12px;
    padding: 9px 12px 10px;
  }
  .event-floating-title { font-size: 0.88rem; }
  #event-hero,
  #event-about,
  #event-points,
  #event-theme,
  #event-location,
  #event-summary { padding-left: 0 !important; padding-right: 0 !important; }
  #event-hero .grid-2,
  #event-summary .grid-2,
  #flow > .container > div,
  section .container > div[style*='grid-template-columns:1fr 1fr'] {
    gap: 22px !important;
  }
  .collab-card { padding: 26px 20px; }
  #event-theme .fade-up,
  #event-location .fade-up,
  #event-about .fade-up { padding: 24px 18px !important; }
  #event-hero .fade-up h1,
  #event-theme .fade-up h2 { margin-bottom: 12px !important; }
  #event-hero .fade-up p,
  #event-theme .fade-up p,
  #event-location .fade-up p { line-height: 1.75 !important; }
}
@media (max-width: 480px) {
  .header-inner { height: 60px; }
  .header-logo-img { height: 40px; }
  .page-nav-bar { top: calc(60px + env(safe-area-inset-top)); width: 100%; }
  [id] { scroll-margin-top: calc(70px + env(safe-area-inset-top)); }
  .container { padding: 0 14px; }
  .section { padding: 54px 0; }
  .sec-header { margin-bottom: 30px; }
  .btn { padding: 12px 20px; font-size: 0.84rem; }
  .hero-btns .btn { width: 100%; }
  .hero-title { font-size: clamp(1.55rem, 8vw, 2rem); line-height: 1.28; }
  .hero-body { font-size: 0.92rem; line-height: 1.75; }
  .card { padding: 22px 16px; }
  .entry-card { padding: 24px 18px; }
  .mech-card { padding: 22px 16px; }
  .contact-wrap { padding: 22px 14px; }
  .role-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dei-points-grid { grid-template-columns: 1fr; }
  .role-card { padding: 20px 14px; }
  .collab-card { padding: 20px 14px; }
  .event-row { grid-template-columns: 92px 1fr; }
  .event-row-key, .event-row-val { padding: 11px 12px; }
  .step-row { grid-template-columns: 48px 1fr; gap: 12px; }
  .img-ph { height: min(200px, 52vw) !important; }
  .hero-media .img-ph,
  .mech-card .img-ph,
  .gallery-item .img-ph { height: min(180px, 44vw) !important; }
  #event-theme .fade-up,
  #event-location .fade-up,
  #event-about .fade-up { padding: 20px 14px !important; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr 1fr; }
  .page-nav-bar a { font-size: 0.72rem; padding: 12px 8px; }
}