:root {
  --text: #111111;
  --text-mid: #555555;
  --text-light: #999999;
  --border: #E0E0E0;
  --bg: #FFFFFF;
  --bg-sub: #F7F7F5;
  --accent: #C8A25C;
  --accent-light: #F5EFE0;
  --blue: #2563EB;
  --pink: #D4657A;
  --font: 'Noto Sans JP', -apple-system, sans-serif;
  --r: 4px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font); color: var(--text);
  line-height: 2; background: var(--bg); overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: var(--font); }

.skip-link { position: absolute; top: -100%; left: 1rem; background: var(--text); color: #fff; padding: .5rem 1rem; z-index: 1000; font-weight: 700; }
.skip-link:focus { top: 0; }
.container { max-width: 1000px; margin: 0 auto; padding: 0 clamp(1.5rem, 6vw, 3rem); }
.container--wide { max-width: 1200px; }
.container--narrow { max-width: 680px; }
.tnum { font-feature-settings: "tnum"; }

/* ===== ヘッダー ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1.2rem 0;
  transition: all 0.4s;
  mix-blend-mode: difference;
}
.header.is-scrolled {
  mix-blend-mode: normal;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.06);
  padding: 0.8rem 0;
}
.header .container { display: flex; align-items: center; justify-content: space-between; }
.header-logo {
  font-weight: 900; font-size: 0.7rem; letter-spacing: 0.15em;
  text-transform: uppercase; color: #fff;
  transition: color 0.4s;
}
.header.is-scrolled .header-logo { color: var(--text); }

.nav-desktop { display: none; gap: 2rem; align-items: center; }
.nav-desktop a {
  font-size: 0.65rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: #fff;
  transition: all 0.3s;
}
.header.is-scrolled .nav-desktop a { color: var(--text-mid); }
.nav-desktop a:hover { opacity: 0.6; }
.nav-desktop a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

.menu-toggle {
  display: flex; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 8px;
}
.menu-toggle span {
  display: block; width: 20px; height: 1.5px; background: #fff;
  transition: all 0.3s;
}
.header.is-scrolled .menu-toggle span { background: var(--text); }
.menu-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.mobile-nav {
  position: fixed; inset: 0;
  background: rgba(255,255,255,0.98);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.75rem;
  opacity: 0; visibility: hidden;
  transition: all 0.5s; z-index: 99;
}
.mobile-nav.is-open { opacity: 1; visibility: visible; }
.mobile-nav a {
  font-size: 0.8rem; font-weight: 700; letter-spacing: 0.15em;
  text-transform: uppercase; color: var(--text-mid); padding: 0.5rem 2rem;
  transition: color 0.3s;
}
.mobile-nav a:hover { color: var(--text); }

/* ===== ボタン ===== */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2.2rem;
  font-weight: 700; font-size: 0.72rem; letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1.5px solid var(--text); color: var(--text);
  background: transparent; cursor: pointer;
  transition: all 0.4s;
}
.btn:hover { background: var(--text); color: #fff; }
.btn--filled { background: var(--text); color: #fff; border-color: var(--text); }
.btn--filled:hover { background: #333; }
.btn--white { border-color: #fff; color: #fff; }
.btn--white:hover { background: #fff; color: var(--text); }
.btn--large { padding: 1rem 2.8rem; font-size: 0.75rem; }
.btn i { font-size: 0.7em; transition: transform 0.3s; }
.btn:hover i { transform: translateX(3px); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* ===== セクション ===== */
.section { padding: clamp(5rem, 12vw, 9rem) 0; }
.section--tinted { background: var(--bg-sub); }
.section--dark { background: var(--text); color: #fff; }

.label {
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--text-light);
  margin-bottom: 1.5rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.label::before {
  content: ''; width: 30px; height: 1px; background: var(--text-light);
}
.heading {
  font-size: clamp(1.6rem, 4vw, 2.6rem);
  font-weight: 900; line-height: 1.35;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.heading--hero {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  line-height: 1.05; letter-spacing: -0.04em;
}
.lead {
  font-size: 0.9rem; color: var(--text-mid);
  line-height: 2; max-width: 520px;
}

/* ===== 写真 ===== */
.photo { position: relative; overflow: hidden; background: #EEEEEE; }
.photo img { width: 100%; height: 100%; object-fit: cover; }
.photo--full { width: 100%; }
.photo--tall { aspect-ratio: 3/4; }
.photo--wide { aspect-ratio: 2/1; }
.photo--cinema { aspect-ratio: 2.35/1; }
.photo--card { aspect-ratio: 3/2; }
.photo--video { aspect-ratio: 16/9; }

/* ===== HERO ===== */
.hero {
  position: relative; overflow: hidden;
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: flex-end;
  background: var(--text);
}
.hero-photo { position: absolute; inset: 0; }
.hero-photo img { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.hero-content {
  position: relative; z-index: 2;
  padding: 0 0 clamp(4rem, 10vw, 7rem);
  color: #fff; width: 100%;
}
.hero-title {
  font-size: clamp(2.5rem, 8vw, 5.5rem);
  font-weight: 900; line-height: 1.05;
  letter-spacing: -0.04em;
  margin-bottom: 1.5rem;
}
.hero-title em {
  font-style: normal; display: block;
  font-size: 0.4em; font-weight: 300;
  letter-spacing: 0.05em; margin-top: 0.8rem;
  opacity: 0.6;
}
.hero-sub {
  font-size: 0.85rem; color: rgba(255,255,255,0.55);
  line-height: 2; max-width: 38ch;
  margin-bottom: 2.5rem;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.hero-scroll {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  z-index: 2; color: rgba(255,255,255,0.3);
  font-size: 0.55rem; font-weight: 700; letter-spacing: 0.2em;
  text-align: center;
  animation: scrollPulse 2.5s ease-in-out infinite;
}
.hero-scroll i { display: block; margin-top: 0.5rem; font-size: 0.7rem; }
@keyframes scrollPulse {
  0%,100% { transform: translateX(-50%) translateY(0); opacity: 0.3; }
  50% { transform: translateX(-50%) translateY(6px); opacity: 0.6; }
}

/* ===== ABOUT（ワークショップ説明） ===== */
.about-layout {
  display: grid; grid-template-columns: 1fr; gap: 4rem;
  align-items: center;
}
.about-text .lead { margin-bottom: 2rem; }
.about-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0;
  border-top: 1px solid var(--border);
}
.about-feat {
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: flex-start; gap: 1rem;
}
.about-feat:nth-child(odd) { padding-right: 1.5rem; border-right: 1px solid var(--border); }
.about-feat:nth-child(even) { padding-left: 1.5rem; }
.about-feat-num {
  font-size: 0.6rem; font-weight: 900; color: var(--accent);
  letter-spacing: 0.1em; min-width: 1.5rem; padding-top: 0.15rem;
}
.about-feat strong { display: block; font-size: 0.85rem; font-weight: 900; margin-bottom: 0.15rem; }
.about-feat span { font-size: 0.78rem; color: var(--text-mid); line-height: 1.7; }

/* ===== FACILITATOR ===== */
.facilitator-layout {
  display: grid; grid-template-columns: 1fr; gap: 3rem;
  align-items: center;
}
.facilitator-name {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  font-weight: 900; letter-spacing: -0.02em;
  margin-bottom: 0.25rem;
}
.facilitator-name-en {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-light); margin-bottom: 1.5rem;
}
.facilitator-bio {
  font-size: 0.85rem; color: var(--text-mid);
  line-height: 2.2; margin-bottom: 2rem;
}
.facilitator-credits {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.facilitator-credits span {
  font-size: 0.65rem; font-weight: 700;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  color: var(--text-mid);
}

/* ===== MESSAGE（全幅テキスト） ===== */
.msg-copy {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300; line-height: 2.4;
  color: var(--text);
  margin: 0 auto;
  text-align: center;
}
.msg-copy strong {
  font-weight: 900;
  border-bottom: 2px solid var(--accent);
}

/* ===== PROBLEM HERO ===== */
.problem-hero {
  position: relative; min-height: 50vh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; text-align: center;
}
.problem-hero-photo { position: absolute; inset: 0; }
.problem-hero-photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.6);
}
.problem-hero-overlay {
  position: absolute; inset: 0;
  background: rgba(17,17,17,0.7);
  z-index: 1;
}
.problem-hero-content {
  position: relative; z-index: 2;
  padding: clamp(4rem, 10vw, 6rem) 0;
}
.problem-hero-content .heading {
  color: #fff; max-width: 18ch; margin: 0 auto 0.5rem;
}

/* ===== 丸カード ===== */
.circle-cards {
  display: flex; justify-content: center; gap: clamp(2rem, 5vw, 4rem);
  flex-wrap: wrap;
}
.circle-card {
  flex: 1; min-width: 180px; max-width: 240px;
  text-align: center; transition: transform 0.3s;
}
.circle-card:hover { transform: translateY(-4px); }
.circle-card-ring {
  width: clamp(100px, 16vw, 130px);
  height: clamp(100px, 16vw, 130px);
  margin: 0 auto 1.25rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: all 0.4s;
}
.circle-card:hover .circle-card-ring { border-color: var(--text); }
.circle-card-icon { font-size: 1.5rem; color: var(--text); }
.circle-card h3 { font-size: 0.85rem; font-weight: 900; margin-bottom: 0.4rem; line-height: 1.5; }
.circle-card p { font-size: 0.75rem; color: var(--text-mid); line-height: 1.8; }

/* ===== 数字バナー ===== */
.numbers {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0;
  border-top: 1px solid var(--border);
}
.num-item {
  text-align: center; padding: clamp(2rem, 4vw, 3rem) 1rem;
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
}
.num-item:nth-child(2n) { border-right: none; }
.num-val {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 900; letter-spacing: -0.04em; line-height: 1;
  color: var(--text);
}
.num-val small { font-size: 0.35em; font-weight: 700; }
.num-label { font-size: 0.68rem; color: var(--text-light); font-weight: 700; margin-top: 0.5rem; letter-spacing: 0.03em; }

/* ===== FLOW ===== */
.flow-grid {
  display: grid; grid-template-columns: 1fr; gap: 2rem;
  margin-top: 3rem;
}
.f-card { position: relative; overflow: hidden; }
.f-card-img { position: relative; }
.f-card-img .photo { aspect-ratio: 3/2; }
.f-card-num {
  position: absolute; bottom: 1rem; left: 1rem;
  font-size: 3rem; font-weight: 900; color: #fff;
  opacity: 0.7; line-height: 1; z-index: 2;
  letter-spacing: -0.04em;
}
.f-card-body { padding: 1.25rem 0.25rem; }
.f-card-body h3 { font-size: 0.95rem; font-weight: 900; margin-bottom: 0.3rem; }
.f-card-body p { font-size: 0.78rem; color: var(--text-mid); line-height: 1.9; }

/* ===== BENEFIT ===== */
.benefit-grid {
  display: grid; grid-template-columns: 1fr; gap: 0;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}
.b-card {
  padding: 2rem 0; border-bottom: 1px solid var(--border);
  display: grid; grid-template-columns: 48px 1fr; gap: 1.25rem;
  align-items: start;
}
.b-card-icon {
  width: 44px; height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; color: var(--text);
  transition: all 0.3s;
}
.b-card:hover .b-card-icon { background: var(--text); color: #fff; border-color: var(--text); }
.b-card h3 { font-size: 0.9rem; font-weight: 900; margin-bottom: 0.1rem; }
.b-card .kpi { font-size: 0.65rem; color: var(--accent); font-weight: 700; letter-spacing: 0.05em; margin-bottom: 0.4rem; }
.b-card p { font-size: 0.78rem; color: var(--text-mid); line-height: 1.9; }
.benefit-quote {
  text-align: center; margin-top: 4rem;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 300; line-height: 2;
}
.benefit-quote strong { font-weight: 900; }

/* ===== SCENE ===== */
.scene-grid { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 3rem; border-top: 1px solid rgba(255,255,255,0.15); }
.s-card {
  display: flex; align-items: center; gap: 1.25rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.15);
  transition: padding-left 0.3s;
}
.s-card:hover { padding-left: 0.5rem; }
.s-card-icon { font-size: 0.9rem; color: var(--accent); width: 1.5rem; text-align: center; flex-shrink: 0; }
.s-card h3 { font-size: 0.85rem; font-weight: 700; }
.s-card p { font-size: 0.72rem; color: rgba(255,255,255,0.5); }

/* ===== VIDEO ===== */
.video-wrap {
  position: relative; overflow: hidden;
  max-width: 800px; margin: 3rem auto 0;
}
.video-play {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 64px; height: 64px;
  border: 2px solid #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem;
  transition: all 0.3s; z-index: 2;
}
.video-play:hover { background: #fff; color: var(--text); transform: translate(-50%,-50%) scale(1.05); }
.video-play i { margin-left: 2px; }

/* ===== OFFER ===== */
.offer-layout { display: grid; grid-template-columns: 1fr; gap: 4rem; align-items: start; }
.offer-card {
  border: 1px solid var(--border); padding: clamp(2rem, 5vw, 3rem);
  position: relative;
}
.offer-tag {
  position: absolute; top: -0.6rem; left: 2rem;
  background: var(--text); color: #fff;
  padding: 0.2rem 1rem;
  font-size: 0.55rem; font-weight: 900; letter-spacing: 0.15em;
  text-transform: uppercase;
}
.offer-price {
  margin: 1.5rem 0 0.25rem;
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 900; letter-spacing: -0.03em; line-height: 1;
}
.offer-price small { font-size: 0.3em; font-weight: 400; color: var(--text-mid); margin-left: 0.2em; }
.offer-sub { font-size: 0.78rem; color: var(--pink); font-weight: 700; margin-bottom: 2rem; }
.offer-list li {
  font-size: 0.82rem; padding: 0.6rem 0; padding-left: 1.75rem;
  position: relative; line-height: 1.7;
  border-bottom: 1px solid var(--bg-sub);
}
.offer-list li:last-child { border-bottom: none; }
.offer-list li i { position: absolute; left: 0; top: 0.75rem; color: var(--text-light); font-size: 0.65rem; }

/* ===== CONTACT ===== */
.contact-section { background: var(--bg-sub); }
.contact-layout { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.contact-form { background: var(--bg); border: 1px solid var(--border); padding: clamp(2rem, 5vw, 2.5rem); }
.fg { margin-bottom: 1.1rem; }
.fg label {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.03em;
  margin-bottom: 0.35rem;
}
.badge-r { font-size: 0.5rem; background: var(--text); color: #fff; padding: 0.1rem 0.4rem; font-weight: 700; }
.badge-o { font-size: 0.5rem; background: #E5E5E5; color: var(--text-mid); padding: 0.1rem 0.4rem; font-weight: 700; }
.fg input, .fg select, .fg textarea {
  width: 100%; padding: 0.7rem 0.9rem;
  background: var(--bg); border: 1px solid var(--border);
  font-size: 0.85rem; font-family: var(--font); color: var(--text);
  transition: all 0.3s;
}
.fg input::placeholder, .fg textarea::placeholder { color: var(--text-light); }
.fg input:focus, .fg select:focus, .fg textarea:focus {
  outline: none; border-color: var(--text);
}
.fg input[aria-invalid="true"] { border-color: #D4657A; }
.fg textarea { min-height: 100px; resize: vertical; }
.fg select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' fill='%23999'%3E%3Cpath d='M0 0l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.9rem center;
  padding-right: 2.5rem;
}
.error-msg { color: #D4657A; font-size: 0.7rem; margin-top: 0.2rem; min-height: 1rem; display: block; }
.form-submit { margin-top: 1.5rem; }
.form-submit .btn { width: 100%; justify-content: center; }
.form-note { text-align: center; margin-top: 0.75rem; font-size: 0.65rem; color: var(--text-light); }

/* ===== CTA BANNER ===== */
.cta-banner { text-align: center; }
.cta-banner .heading { margin-bottom: 1rem; }
.cta-banner .lead { margin: 0 auto 2.5rem; text-align: center; }
.section--dark .label { color: rgba(255,255,255,0.4); }
.section--dark .label::before { background: rgba(255,255,255,0.3); }
.section--dark .lead { color: rgba(255,255,255,0.5); }

/* ===== フッター ===== */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0; text-align: center;
  color: var(--text-light);
}
.footer-logo { font-weight: 900; font-size: 0.65rem; letter-spacing: 0.15em; text-transform: uppercase; color: var(--text-mid); margin-bottom: 0.75rem; }
.footer-links { margin-bottom: 0.75rem; }
.footer-links a { font-size: 0.65rem; color: var(--text-light); transition: color 0.3s; }
.footer-links a:hover { color: var(--text); }
.footer-copy { font-size: 0.6rem; }

/* ===== アニメーション ===== */
.reveal {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1), transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.rv1 { transition-delay: 0.08s; }
.rv2 { transition-delay: 0.16s; }
.rv3 { transition-delay: 0.24s; }
.rv4 { transition-delay: 0.32s; }

/* ===== レスポンシブ ===== */
@media (min-width: 640px) {
  .numbers { grid-template-columns: repeat(4, 1fr); }
  .num-item:nth-child(2n) { border-right: 1px solid var(--border); }
  .num-item:nth-child(4n) { border-right: none; }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .s-card:nth-child(odd) { padding-right: 1.5rem; border-right: 1px solid rgba(255,255,255,0.15); }
  .s-card:nth-child(even) { padding-left: 1.5rem; }
}
@media (min-width: 1024px) {
  .nav-desktop { display: flex; }
  .menu-toggle { display: none; }
  .mobile-nav { display: none !important; }
  .about-layout { grid-template-columns: 1fr 0.8fr; }
  .about-features { grid-template-columns: 1fr 1fr; }
  .facilitator-layout { grid-template-columns: 0.75fr 1fr; }
  .flow-grid { grid-template-columns: repeat(4, 1fr); }
  .scene-grid { grid-template-columns: repeat(4, 1fr); }
  .s-card:nth-child(odd) { padding-right: 0; border-right: none; }
  .s-card:nth-child(even) { padding-left: 0; }
  .s-card { border-right: 1px solid rgba(255,255,255,0.15); padding: 1.25rem 1.5rem; }
  .s-card:nth-child(4n) { border-right: none; }
  .offer-layout { grid-template-columns: 1fr 1fr; }
  .contact-layout { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}