/* ===== Base ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "ヒラギノ角ゴ ProN", "Yu Gothic", "メイリオ", sans-serif;
  background: radial-gradient(circle at top, #101827 0, #020617 55%, #000 100%);
  color: #e5e7eb;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* ===== Layout ===== */
.container {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.95),
    rgba(15, 23, 42, 0.7),
    transparent
  );
  border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo-mark {
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 18px;
  color: #a855f7;
}

.logo-sub {
  font-size: 13px;
  color: #9ca3af;
}

.nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ===== Language Switch ===== */
.lang-switch {
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 4px 12px;
  font-size: 12px;
  cursor: pointer;
  background: transparent;
  color: #e5e7eb;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.lang-switch:hover {
  background: rgba(148, 163, 184, 0.2);
}

.lang-active {
  background: #e5e7eb;
  color: #020617;
  border-color: transparent;
}

/* ===== Hero ===== */
.hero {
  padding: 72px 0 56px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid rgba(148, 163, 184, 0.6);
  color: #cbd5f5;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  margin: 0 0 14px;
}

.hero-lead {
  font-size: 14px;
  color: #cbd5f5;
  max-width: 34rem;
}

.hero-actions {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn-primary,
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease,
    background 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.btn-primary {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: white;
  box-shadow: 0 18px 30px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 40px rgba(79, 70, 229, 0.45);
}

.btn-secondary {
  background: transparent;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.6);
}

.btn-secondary:hover {
  background: rgba(15, 23, 42, 0.8);
}

.hero-note {
  margin-top: 14px;
  font-size: 11px;
  color: #9ca3af;
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.hero-placeholder {
  width: 100%;
  max-width: 360px;
  aspect-ratio: 16 / 10;
  border-radius: 22px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  background: radial-gradient(circle at top left, #111827, #020617);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9ca3af;
  font-size: 13px;
}

/* ===== Sections ===== */
.section {
  padding: 60px 0;
}

.section-alt {
  background: radial-gradient(circle at top, #020617, #020617 40%, #000 100%);
}

.section-title {
  font-size: 22px;
  margin: 0 0 8px;
}

.section-lead {
  margin: 0 0 26px;
  color: #cbd5f5;
  font-size: 14px;
  max-width: 44rem;
}

/* ===== Grid & Cards ===== */
.grid {
  display: grid;
  gap: 18px;
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.card {
  background: radial-gradient(circle at top left, #111827, #020617);
  border-radius: 18px;
  padding: 18px 18px 20px;
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.card p {
  margin: 0;
  font-size: 14px;
  color: #d1d5db;
}

.card-outline {
  background: transparent;
}

/* ===== Stack ===== */
.stack-list {
  margin-top: 20px;
  border-radius: 18px;
  padding: 18px 18px 6px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at top left, #0b1220, #020617);
}

.stack-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  padding: 7px 0;
  border-bottom: 1px dashed rgba(55, 65, 81, 0.8);
}

.stack-item:last-child {
  border-bottom: none;
}

.stack-label {
  color: #9ca3af;
}

.stack-value {
  color: #e5e7eb;
}

.stack-note {
  margin-top: 14px;
  font-size: 13px;
  color: #9ca3af;
}

/* ===== Pricing ===== */
.pricing-card {
  margin-top: 12px;
  border-radius: 20px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  background: radial-gradient(circle at top left, #111827, #020617);
  padding: 18px;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.4fr);
}

.pricing-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #9ca3af;
  margin-bottom: 6px;
}

.pricing-value {
  font-size: 30px;
  font-weight: 700;
  margin: 0 0 6px;
}

.pricing-sub {
  font-size: 13px;
  color: #d1d5db;
  max-width: 26rem;
}

.pricing-includes h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.pricing-includes ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: #d1d5db;
}

/* ===== Purchase & Contact ===== */
.purchase-box {
  margin-top: 26px;
  border-radius: 18px;
  padding: 18px;
  background: radial-gradient(circle at top left, #0b1220, #020617);
  border: 1px solid rgba(148, 163, 184, 0.55);
}

.purchase-box h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.purchase-box p {
  margin: 0;
  font-size: 13px;
  color: #e5e7eb;
}

.stripe-area {
  margin-top: 16px;
  display: flex;
  justify-content: center;
  padding: 18px 12px;
  border-radius: 14px;
  background: rgba(15, 23, 42, 0.85);
}

/* ===== Contact ===== */
.contact-box {
  margin-top: 20px;
  border-radius: 18px;
  padding: 18px;
  background: rgba(15, 23, 42, 0.7);
  /* 点線 → 通常ボーダーに変更 */
  border: 1px solid rgba(148, 163, 184, 0.45);
}

.contact-box h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.contact-box p {
  margin: 0 0 16px;
  font-size: 13px;
  color: #e5e7eb;
}

.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}


/* ===== Video Frame ===== */
.video-frame {
  max-width: 720px;
  margin: 0 auto;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  overflow: hidden;
  background: radial-gradient(circle at top left, #111827, #020617);
}

.video-frame video,
.video-frame iframe {
  display: block;
  width: 100%;
  height: auto;
}

/* ===== FAQ ===== */
.faq {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  border-radius: 16px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  padding: 14px 16px;
  background: radial-gradient(circle at top left, #0b1220, #020617);
}

.faq-item h3 {
  margin: 0 0 6px;
  font-size: 14px;
  color: #e5e7eb;
}

.faq-item p {
  margin: 0;
  font-size: 13px;
  color: #d1d5db;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid rgba(31, 41, 55, 1);
  padding: 18px 0 26px;
  background: #020617;
}

.footer-inner {
  display: flex;
  justify-content: center;
}

.footer-copy {
  font-size: 12px;
  color: #6b7280;
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .pricing-card {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 56px;
  }

  .header-inner {
    height: 56px;
  }

  .section {
    padding: 46px 0;
  }

  .contact-links {
    flex-direction: column;
    align-items: stretch;
  }
}

/* ===== Extra styles for Block Breaker CMS Kit LP ===== */

/* language link in header */
.lang-link {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.4);
  text-decoration: none;
  color: #e5e7eb;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.lang-link:hover {
  background: rgba(148, 163, 184, 0.2);
}

/* hero bullet list */
.hero-points {
  margin: 14px 0 0;
  padding-left: 0;
  list-style: none;
  font-size: 13px;
  color: #cbd5f5;
}

.hero-points li + li {
  margin-top: 4px;
}

/* hero video frame */
.hero-video {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  overflow: hidden;
  background: radial-gradient(circle at top left, #111827, #020617);
}

.hero-video video,
.hero-video iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
}

/* purchase / Stripe area */
.purchase-box {
  margin-top: 26px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.55);
  padding: 18px;
  background: radial-gradient(circle at top left, #0b1220, #020617);
}

.purchase-box h3 {
  margin: 0 0 8px;
  font-size: 15px;
}

.purchase-box p {
  margin: 0 0 12px;
  font-size: 13px;
  color: #e5e7eb;
}

/* tweak on small screens */
@media (max-width: 640px) {
  .hero-video {
    max-width: 100%;
  }
}

/* ===== LEGAL / DISCLAIMER ===== */

.legal-box {
  margin-top: 16px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(148, 163, 184, 0.45);
  background: radial-gradient(circle at top left, #0b1220, #020617);
  font-size: 13px;
  color: #d1d5db;
  line-height: 1.7;
}

.legal-lead {
  margin-bottom: 12px;
  color: #e5e7eb;
}

.legal-list {
  margin: 8px 0 0;
  padding-left: 18px;
}

.legal-list li + li {
  margin-top: 6px;
}

.legal-table {
  margin-top: 8px;
  display: grid;
  gap: 10px;
}

.legal-row {
  display: grid;
  gap: 4px;
}

.legal-label {
  font-size: 12px;
  color: #9ca3af;
}

.legal-value {
  font-size: 13px;
  color: #e5e7eb;
}