:root {
  --bg: #f5f9ff;
  --surface: #ffffff;
  --surface-soft: #edf5ff;
  --text: #16324b;
  --muted: #4d6d8b;
  --line: rgba(22, 50, 75, 0.16);
  --brand: #0a84ff;
  --brand-strong: #0071e3;
  --radius: 22px;
  --max-width: 1140px;
  --shadow: 0 24px 48px rgba(24, 62, 100, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% -10%, rgba(99, 194, 255, 0.32), transparent 42%),
    radial-gradient(circle at 8% 16%, rgba(164, 213, 255, 0.42), transparent 35%),
    var(--bg);
  scroll-behavior: smooth;
}

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

.container {
  width: min(var(--max-width), calc(100% - 48px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.84);
  border-bottom: 1px solid rgba(24, 62, 100, 0.1);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.brand img {
  width: 148px;
  height: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #1a2432, #2a3545);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: 0 10px 20px rgba(24, 62, 100, 0.2);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.nav-links a {
  color: #365578;
  text-decoration: none;
  font-family: "Outfit", sans-serif;
  font-weight: 500;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
}

.nav-links a:hover {
  color: #0c3156;
}

.hero {
  position: relative;
  min-height: 90vh;
  display: grid;
  align-items: end;
  overflow: clip;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.04);
  animation: heroZoom 7s ease-out forwards;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, rgba(10, 43, 74, 0.72) 22%, rgba(10, 43, 74, 0.24) 66%),
    linear-gradient(to top, rgba(8, 32, 58, 0.58) 0%, rgba(8, 32, 58, 0.18) 45%, rgba(255, 255, 255, 0) 90%);
}

.hero-content {
  position: relative;
  padding: 130px 0 110px;
  max-width: 760px;
}

.eyebrow {
  margin: 0 0 18px;
  font-family: "Outfit", sans-serif;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: #2e76b2;
}

.hero .eyebrow,
.hero h1,
.hero .lead,
.hero .copy {
  color: #f5fbff;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Outfit", sans-serif;
  line-height: 1.08;
}

h1 {
  font-size: clamp(2.8rem, 8vw, 7rem);
  letter-spacing: 0.04em;
}

h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: 0.01em;
}

h3 {
  font-size: 1.6rem;
}

.lead {
  margin: 18px 0 10px;
  font-size: clamp(1.1rem, 2.2vw, 2rem);
  font-weight: 600;
}

.copy {
  margin: 0;
  max-width: 66ch;
  color: var(--muted);
  line-height: 1.9;
}

.hero-cta {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 999px;
  border: 1px solid transparent;
  padding: 0 24px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.94rem;
  letter-spacing: 0.04em;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(120deg, var(--brand), var(--brand-strong));
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.btn-ghost {
  border-color: var(--line);
  color: #103252;
  background: rgba(255, 255, 255, 0.84);
}

.btn-ghost:hover {
  border-color: rgba(16, 50, 82, 0.32);
}

.btn-large {
  min-height: 56px;
  padding: 0 32px;
}

.section {
  padding: 100px 0;
}

.section-dark {
  background:
    linear-gradient(to bottom, rgba(236, 245, 255, 0.95), rgba(231, 243, 255, 0.9));
  border-top: 1px solid rgba(30, 74, 118, 0.08);
  border-bottom: 1px solid rgba(30, 74, 118, 0.08);
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 42px;
  align-items: start;
}

.section-head {
  max-width: 840px;
  margin-bottom: 36px;
}

.section-contact .section-head h2 {
  line-height: 1.2;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.card {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(180deg, #ffffff, #f6fbff);
  border: 1px solid rgba(30, 74, 118, 0.12);
  box-shadow: var(--shadow);
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.6s ease, opacity 0.6s ease;
}

.card.show {
  transform: translateY(0);
  opacity: 1;
}

.card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.card-body {
  padding: 24px;
}

.card-body p {
  color: var(--muted);
  line-height: 1.8;
  margin: 10px 0 0;
}

.card-texture img {
  filter: saturate(1.04) contrast(1.02);
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-list details {
  border: 1px solid rgba(30, 74, 118, 0.14);
  background: rgba(255, 255, 255, 0.86);
  border-radius: 14px;
  padding: 0 16px;
}

.faq-list summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 2px;
  font-weight: 700;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list p {
  color: var(--muted);
  margin: 0 0 18px;
  line-height: 1.8;
}

.price-panel {
  border: 1px solid rgba(30, 74, 118, 0.14);
  border-radius: 28px;
  padding: 52px;
  background:
    radial-gradient(circle at 100% 0, rgba(105, 195, 255, 0.34), transparent 36%),
    radial-gradient(circle at 0% 100%, rgba(255, 205, 118, 0.22), transparent 44%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.96), rgba(241, 249, 255, 0.96));
}

.section-access {
  background:
    radial-gradient(circle at 8% 8%, rgba(124, 203, 255, 0.2), transparent 40%),
    linear-gradient(180deg, rgba(248, 252, 255, 0.96), rgba(239, 248, 255, 0.96));
}

.access-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
  align-items: stretch;
}

.access-map-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(30, 74, 118, 0.14);
  box-shadow: var(--shadow);
  background: #fff;
  min-height: 360px;
}

.access-map {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border: 0;
}

.access-info {
  border-radius: var(--radius);
  border: 1px solid rgba(30, 74, 118, 0.14);
  box-shadow: var(--shadow);
  background: #fff;
  padding: 28px;
}

.access-info h3 {
  margin-bottom: 14px;
}

.access-info p {
  margin: 0 0 10px;
  color: var(--text);
  line-height: 1.8;
}

.access-row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 8px 14px;
  align-items: start;
  margin-bottom: 14px;
}

.access-row-time {
  margin-bottom: 0;
}

.access-label {
  margin: 0;
  font-weight: 700;
}

.access-value {
  margin: 0;
}

.time-list {
  margin: 0;
  padding-left: 1.2em;
  display: grid;
  gap: 4px;
}

.time-list li {
  line-height: 1.7;
}

.section-contact {
  background:
    radial-gradient(circle at 90% 10%, rgba(123, 201, 255, 0.22), transparent 42%),
    linear-gradient(180deg, rgba(246, 251, 255, 0.96), rgba(236, 246, 255, 0.96));
}

.contact-form {
  border-radius: var(--radius);
  border: 1px solid rgba(30, 74, 118, 0.14);
  background: #fff;
  box-shadow: var(--shadow);
  padding: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.form-field {
  display: grid;
  gap: 8px;
  margin: 0 0 14px;
}

.form-field span {
  font-weight: 700;
  font-size: 0.94rem;
}

.required-note {
  margin-top: 12px;
  font-size: 0.92rem;
}

.required-label::after {
  content: " ※";
  color: #0a84ff;
  font-weight: 700;
}

.required-when-trial::after {
  content: " ※体験会";
  color: #2e76b2;
  font-size: 0.82rem;
  font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid rgba(30, 74, 118, 0.2);
  background: #f9fcff;
  border-radius: 12px;
  padding: 12px 14px;
  color: var(--text);
  font: inherit;
}

.form-field textarea {
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: 2px solid rgba(10, 132, 255, 0.24);
  border-color: rgba(10, 132, 255, 0.45);
}

.form-actions {
  display: grid;
  gap: 10px;
  justify-items: start;
}

.policy-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 16px;
  line-height: 1.7;
}

.policy-consent input[type="checkbox"] {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  accent-color: #0a84ff;
}

.policy-consent a {
  color: #0a66c2;
  font-weight: 700;
}

.policy-required {
  color: #2e76b2;
  font-weight: 700;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.contact-form button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.site-footer {
  padding: 32px 0 42px;
  background: #e9f3ff;
  border-top: 1px solid rgba(30, 74, 118, 0.14);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.footer-card {
  position: relative;
  border-radius: 14px;
  border: 1px solid rgba(30, 74, 118, 0.14);
  padding: 20px;
  background: #fff;
  text-decoration: none;
  color: #09131f;
}

.footer-card span {
  font-family: "Outfit", sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
}

.footer-card strong {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
}

.footer-card img {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
}

.footer-meta {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.footer-meta a,
.copyright {
  color: #4b6686;
  font-size: 0.76rem;
  text-decoration: none;
}

.copyright {
  text-align: center;
  margin-top: 10px;
}

@keyframes heroZoom {
  to {
    transform: scale(1);
  }
}

@media (max-width: 980px) {
  .nav-links {
    display: none;
  }

  .two-col,
  .cards {
    grid-template-columns: 1fr;
    display: grid;
  }

  .price-panel {
    padding: 36px 24px;
  }

  .access-layout {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(var(--max-width), calc(100% - 28px));
  }

  .hero-content {
    padding: 110px 0 84px;
  }

  .section {
    padding: 76px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }
}