:root {
  --primary: #6c4fff;
  --accent: #ffbd59;
  --bg: #f4f4ff;
  --text: #1f1f3d;
  --shadow: 0 20px 40px rgba(108, 79, 255, 0.18);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Segoe UI', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

.hero {
  position: relative;
  padding: 4rem 1.5rem 5rem;
  background: linear-gradient(135deg, rgba(108, 79, 255, 0.65), rgba(255, 189, 89, 0.6));
  color: #fff;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('assets/virtual-toshima-hero.png') center/cover no-repeat;
  opacity: 0.45;
}

.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(35, 0, 85, 0.2), rgba(12, 0, 45, 0.2));
}

.hero__content {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
  z-index: 1;
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__title {
  margin: 1.5rem 0 0.75rem;
  font-size: clamp(2.5rem, 6vw, 3.7rem);
  line-height: 1.15;
}

.hero__subtitle {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.cta-buttons {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button--primary {
  background: #fff;
  color: var(--primary);
  box-shadow: var(--shadow);
}

.button:hover {
  transform: translateY(-3px);
}

section {
  padding: 4rem 1.5rem;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
}

.section__header {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.section__header--center {
  text-align: center;
  justify-items: center;
}

.section__lead--center {
  text-align: center;
  margin: 0 auto 2.5rem;
}

.section__eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(108, 79, 255, 0.1);
  color: var(--primary);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.section__title {
  margin: 0 0 1.25rem;
  font-size: clamp(2rem, 4vw, 2.6rem);
  line-height: 1.2;
}

.section__lead {
  margin-bottom: 2rem;
  font-size: 1.1rem;
  color: rgba(31, 31, 61, 0.78);
}

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.feature-card {
  padding: 2rem;
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: 0 16px 30px rgba(23, 27, 71, 0.08);
}

.feature-card__icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: rgba(108, 79, 255, 0.1);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.two-column {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  align-items: center;
}

.highlight {
  padding: 2rem;
  background: #fff;
  border-radius: 1.5rem;
  box-shadow: 0 16px 30px rgba(23, 27, 71, 0.1);
}

.highlight .section__header {
  margin-bottom: 1rem;
}

.curriculum {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.curriculum-card {
  position: relative;
  padding: 1.8rem;
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: 0 18px 32px rgba(23, 27, 71, 0.08);
  overflow: hidden;
}

.curriculum-card__label {
  display: inline-block;
  margin-bottom: 0.75rem;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  background: rgba(108, 79, 255, 0.12);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
}

.curriculum-card--accent {
  border: 2px solid rgba(255, 189, 89, 0.6);
  box-shadow: 0 24px 36px rgba(255, 189, 89, 0.28);
}

.curriculum-card__note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: rgba(31, 31, 61, 0.6);
}

.partner-logo {
  width: 180px;
  max-width: 100%;
  margin-top: 1.2rem;
  filter: drop-shadow(0 12px 20px rgba(23, 27, 71, 0.15));
}

.venue-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.venue-card {
  padding: 2rem;
  border-radius: 1.5rem;
  background: #fff;
  box-shadow: 0 18px 32px rgba(23, 27, 71, 0.08);
}


.venue-card__address {
  margin: 0.35rem 0 0.75rem;
  font-size: 0.95rem;
  color: rgba(31, 31, 61, 0.7);
}
.venue-card__list {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.75rem;
}

.venue-card__list li {
  padding: 0.75rem 0.9rem;
  border-radius: 0.85rem;
  background: rgba(108, 79, 255, 0.08);
  font-weight: 600;
}

.venue-card__list li strong {
  color: var(--primary);
  margin-right: 0.35rem;
}

.testimonial {
  position: relative;
  padding: 2.5rem;
  border-radius: 1.5rem;
  background: linear-gradient(135deg, rgba(108, 79, 255, 0.12), rgba(108, 79, 255, 0.2));
  color: var(--text);
}

.testimonial::before {
  content: '"';
  position: absolute;
  top: -20px;
  left: 20px;
  font-size: 5rem;
  color: rgba(108, 79, 255, 0.2);
}

.cta {
  padding: 4rem 1.5rem 5rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(108, 79, 255, 0.18), rgba(76, 201, 240, 0.16));
}

footer {
  padding: 2rem 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: rgba(31, 31, 61, 0.65);
}

@media (max-width: 900px) {
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  .curriculum {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .venue-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  section {
    padding: 3rem 1.25rem;
  }

  .features,
  .curriculum {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 3rem 1.25rem 4rem;
  }

  .venue-card__list li {
    font-size: 0.95rem;
  }
}

.partners {
  padding: 4rem 1.5rem;
  background: rgba(108, 79, 255, 0.06);
  text-align: center;
}

.partner-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}

.partner-logos__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 1.5rem 1.75rem;
  border-radius: 1.25rem;
  background: #fff;
  box-shadow: 0 16px 28px rgba(23, 27, 71, 0.08);
}

.partner-logos__item figcaption {
  font-weight: 600;
  color: rgba(31, 31, 61, 0.72);
}


@media (max-width: 640px) {
  .partner-logos__item {
    width: 100%;
  }
}