:root {
  --lp-font: "Noto Sans JP", system-ui, -apple-system, "Segoe UI", sans-serif;
  --lp-display: "Plus Jakarta Sans", "Noto Sans JP", system-ui, sans-serif;
  --lp-bg: #f4f7fb;
  --lp-surface: #ffffff;
  --lp-text: #0f172a;
  --lp-muted: #5b6b82;
  --lp-border: #e2e8f0;
  --lp-blue: #1e5bb8;
  --lp-blue-dark: #164a96;
  --lp-blue-soft: #e8f1fc;
  --lp-accent: #2563eb;
  --lp-accent-dark: #1d4ed8;
  --lp-coral: #f97316;
  --lp-coral-dark: #ea580c;
  --lp-coral-soft: #fff7ed;
  --lp-radius: 1.125rem;
  --lp-radius-lg: 1.5rem;
  --lp-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  --lp-shadow-lg: 0 20px 50px rgba(30, 91, 184, 0.12);
  --lp-header-h: 4.25rem;
  --lp-topbar-h: 2.5rem;
}

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

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  margin: 0;
  font-family: var(--lp-font);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--lp-text);
  background: var(--lp-bg);
}

a {
  color: var(--lp-accent);
  text-decoration: none;
}

.lp-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.5rem 1rem;
  background: var(--lp-blue);
  color: #fff;
}

.lp-skip:focus {
  left: 1rem;
  top: 1rem;
}

/* Top bar */
.lp-topbar {
  background: linear-gradient(90deg, var(--lp-blue-dark), var(--lp-blue));
  color: #fff;
  text-align: center;
  font-size: 0.8125rem;
  padding: 0.5rem 1rem;
  min-height: var(--lp-topbar-h);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lp-topbar p {
  margin: 0;
}

.lp-topbar strong {
  font-weight: 700;
}

/* Header */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.04);
}

.lp-header-inner {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: var(--lp-header-h);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--lp-display);
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--lp-text);
  text-decoration: none;
  letter-spacing: -0.03em;
  margin-right: auto;
}

.lp-logo:hover {
  color: var(--lp-blue);
  text-decoration: none;
}

.lp-logo-mark {
  width: 2rem;
  height: 2rem;
  border-radius: 0.55rem;
  background: linear-gradient(135deg, var(--lp-blue), #60a5fa);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.lp-nav {
  display: none;
  gap: 1.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.lp-nav a {
  color: var(--lp-muted);
  text-decoration: none;
  transition: color 0.2s;
}

.lp-nav a:hover {
  color: var(--lp-blue);
}

.lp-header-cta {
  display: none;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lp-menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  margin-left: auto;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 0.5rem;
}

.lp-menu-btn span {
  display: block;
  width: 1.35rem;
  height: 2px;
  background: var(--lp-text);
  border-radius: 2px;
  transition: transform 0.2s, opacity 0.2s;
}

.lp-menu-btn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.lp-menu-btn[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.lp-menu-btn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.lp-mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 1.25rem 1.25rem;
  background: #fff;
  border-bottom: 1px solid var(--lp-border);
}

.lp-mobile-nav[hidden] {
  display: none;
}

.lp-mobile-nav a {
  padding: 0.65rem 0;
  font-weight: 600;
  color: var(--lp-text);
  text-decoration: none;
}

.lp-mobile-nav a:hover {
  color: var(--lp-blue);
}

.lp-mobile-nav .lp-btn {
  margin-top: 0.5rem;
  text-align: center;
}

@media (min-width: 900px) {
  .lp-nav {
    display: flex;
  }

  .lp-header-cta {
    display: flex;
  }

  .lp-menu-btn {
    display: none;
  }
}

/* Buttons */
.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.7rem 1.35rem;
  font-size: 0.9375rem;
  font-weight: 700;
  font-family: inherit;
  border-radius: 999px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  white-space: nowrap;
}

.lp-btn:hover {
  text-decoration: none;
  transform: translateY(-1px);
}

.lp-btn--primary {
  background: linear-gradient(135deg, var(--lp-accent), var(--lp-blue));
  color: #fff;
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.lp-btn--primary:hover {
  color: #fff;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.45);
}

.lp-btn--accent {
  background: linear-gradient(135deg, var(--lp-coral), var(--lp-coral-dark));
  color: #fff;
  box-shadow: 0 6px 20px rgba(249, 115, 22, 0.35);
}

.lp-btn--accent:hover {
  color: #fff;
}

.lp-btn--outline {
  background: #fff;
  color: var(--lp-blue);
  border-color: var(--lp-border);
}

.lp-btn--outline:hover {
  border-color: var(--lp-blue);
  background: var(--lp-blue-soft);
  color: var(--lp-blue-dark);
}

.lp-btn--white {
  background: #fff;
  color: var(--lp-blue);
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.1);
}

.lp-btn--white:hover {
  color: var(--lp-blue-dark);
}

.lp-btn--outline-white {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, 0.65);
}

.lp-btn--outline-white:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.lp-btn--lg {
  padding: 0.9rem 1.85rem;
  font-size: 1.02rem;
}

.lp-btn--xl {
  padding: 1.05rem 2.25rem;
  font-size: 1.125rem;
  width: 100%;
  max-width: 22rem;
}

@media (min-width: 960px) {
  .lp-btn--xl {
    width: auto;
    min-width: 18rem;
  }
}

.lp-btn--campaign {
  background: linear-gradient(135deg, #fcd34d 0%, #f97316 42%, #ef4444 100%);
  color: #1c1917;
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow:
    0 4px 0 #c2410c,
    0 14px 36px rgba(234, 88, 12, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.45);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.35);
}

.lp-btn--campaign:hover {
  color: #0f172a;
  filter: brightness(1.05);
  box-shadow:
    0 4px 0 #c2410c,
    0 18px 42px rgba(234, 88, 12, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
}

.lp-btn--ghost {
  background: rgba(255, 255, 255, 0.65);
  color: var(--lp-blue-dark);
  border: 1px solid var(--lp-border);
  box-shadow: none;
}

.lp-btn--ghost:hover {
  background: #fff;
  color: var(--lp-blue);
  border-color: #cbd5e1;
}

.lp-btn--block {
  width: 100%;
}

.lp-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Layout */
.lp-wrap {
  max-width: 76rem;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.lp-section {
  padding: 4.5rem 0;
}

.lp-kicker {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lp-blue);
}

.lp-kicker--left {
  display: block;
  text-align: left;
}

.lp-kicker--light {
  color: rgba(255, 255, 255, 0.85);
}

.lp-heading {
  font-family: var(--lp-display);
  font-size: clamp(1.65rem, 4vw, 2.35rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
}

.lp-heading--light {
  color: #fff;
}

.lp-section-head {
  text-align: center;
  margin-bottom: 2.5rem;
}

.lp-section-head--light .lp-section-lead {
  color: rgba(255, 255, 255, 0.88);
}

.lp-section-lead {
  max-width: 38rem;
  margin: 0 auto;
  color: var(--lp-muted);
  font-size: 1.05rem;
}

/* Hero */
.lp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3rem, 8vw, 5rem) 0 clamp(4rem, 10vw, 6rem);
}

.lp-hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(96, 165, 250, 0.25), transparent 55%),
    radial-gradient(ellipse 70% 50% at 90% 10%, rgba(251, 191, 36, 0.18), transparent 50%),
    radial-gradient(ellipse 60% 40% at 70% 90%, rgba(59, 130, 246, 0.12), transparent 55%),
    linear-gradient(165deg, #eef5ff 0%, #fff9f3 42%, #f4f7fb 100%);
  z-index: 0;
}

.lp-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 960px) {
  .lp-hero-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }
}

.lp-hero-copy {
  text-align: center;
}

@media (min-width: 960px) {
  .lp-hero-copy {
    text-align: left;
  }
}

/* Release campaign ribbon */
.lp-campaign {
  margin: 0 0 1.5rem;
}

.lp-campaign-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: none;
  color: #b45309;
}

.lp-campaign-ribbon {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  padding: 0.85rem 1.25rem;
  border-radius: 1rem;
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 18%, #fbbf24 40%, #f97316 72%, #ef4444 100%);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow:
    0 10px 32px rgba(234, 88, 12, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.65);
  max-width: 100%;
}

.lp-campaign-before {
  font-size: 0.95rem;
  font-weight: 600;
  color: #78350f;
}

.lp-campaign-before s {
  font-size: 1.05rem;
  font-weight: 800;
  opacity: 0.85;
}

.lp-campaign-before small {
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.1rem;
}

.lp-campaign-highlight {
  font-family: var(--lp-display);
  font-size: clamp(1.35rem, 4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #7f1d1d;
  line-height: 1.15;
}

.lp-campaign-highlight em {
  font-style: normal;
  font-size: 1.15em;
  color: #fff;
  background: linear-gradient(180deg, #dc2626, #991b1b);
  padding: 0.05em 0.35em;
  border-radius: 0.35rem;
  box-shadow: 0 2px 8px rgba(127, 29, 29, 0.35);
}

.lp-hero h1 {
  font-family: var(--lp-display);
  font-size: clamp(1.85rem, 5.5vw, 2.85rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.04em;
  margin: 0 0 1rem;
}

.lp-hero-line {
  display: block;
}

.lp-hero-line--accent {
  background: linear-gradient(90deg, var(--lp-blue), #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lp-hero-benefit {
  font-size: clamp(1.05rem, 2.5vw, 1.2rem);
  font-weight: 600;
  line-height: 1.65;
  color: #334155;
  margin: 0 0 1rem;
  max-width: 36rem;
}

.lp-hero-benefit strong {
  color: var(--lp-blue-dark);
  font-weight: 800;
}

.lp-hero-lead {
  font-size: 1.05rem;
  color: var(--lp-muted);
  margin: 0 0 2rem;
  max-width: 34rem;
  line-height: 1.8;
}

@media (min-width: 960px) {
  .lp-hero-lead {
    margin-left: 0;
    margin-right: 0;
  }
}

.lp-hero-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

@media (min-width: 960px) {
  .lp-hero-cta {
    align-items: flex-start;
  }
}

.lp-hero-cta-notes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1rem;
  justify-content: center;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--lp-muted);
}

@media (min-width: 960px) {
  .lp-hero-cta-notes {
    justify-content: flex-start;
  }
}

.lp-hero-cta-secondary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  margin-top: 0.35rem;
}

@media (min-width: 960px) {
  .lp-hero-cta-secondary {
    justify-content: flex-start;
  }
}

.lp-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0;
}

@media (min-width: 960px) {
  .lp-hero-tags {
    justify-content: flex-start;
  }
}

.lp-hero-tags li {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--lp-border);
  border-radius: 999px;
  color: var(--lp-muted);
}

/* Hero pains (below fold) */
.lp-pains-hero {
  padding: clamp(3rem, 7vw, 4.5rem) 0;
  background: var(--lp-surface);
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
}

.lp-pains-hero-inner {
  max-width: 40rem;
  margin: 0 auto;
  text-align: center;
}

.lp-pains-hero-title {
  font-family: var(--lp-display);
  font-size: clamp(1.35rem, 3.5vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 1.75rem;
  color: var(--lp-text);
}

.lp-pains-hero-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.lp-pains-hero-list li {
  position: relative;
  padding: 1rem 1.15rem 1rem 2.85rem;
  background: var(--lp-bg);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: #334155;
  box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
}

.lp-pains-hero-list li::before {
  content: "";
  position: absolute;
  left: 1rem;
  top: 1.15rem;
  width: 1.25rem;
  height: 1.25rem;
  border-radius: 50%;
  background-color: #16a34a;
  box-shadow: 0 2px 6px rgba(22, 163, 74, 0.35);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none'%3E%3Cpath d='M3.5 8.5L6.5 11.5L12.5 4.5' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 0.75rem;
}

.lp-pains-hero-resolve {
  margin: 0;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
  color: var(--lp-muted);
  line-height: 1.5;
}

.lp-pains-hero-resolve-label {
  display: block;
  font-size: 0.95em;
  margin-bottom: 0.15rem;
}

.lp-pains-hero-resolve strong {
  font-family: var(--lp-display);
  font-size: 1.15em;
  font-weight: 800;
  background: linear-gradient(90deg, var(--lp-blue), #3b82f6);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Hero mock UI */
.lp-hero-visual {
  position: relative;
  min-height: 320px;
}

.lp-mock {
  background: var(--lp-surface);
  border-radius: var(--lp-radius-lg);
  border: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: var(--lp-shadow-lg);
}

.lp-mock--phone {
  padding: 0;
  overflow: hidden;
}

.lp-mock-header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: linear-gradient(90deg, var(--lp-blue), #3b82f6);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
}

.lp-mock-dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.45);
}

.lp-mock-header span:last-child {
  margin-left: 0.35rem;
}

.lp-mock-body {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.lp-mock-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.78rem;
}

.lp-mock-row--lane {
  color: var(--lp-muted);
  font-weight: 600;
}

.lp-mock-avatar {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: var(--lp-blue-soft);
  color: var(--lp-blue);
  font-size: 0.65rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lp-mock-pill {
  flex: 1;
  padding: 0.4rem 0.65rem;
  background: #f1f5f9;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.75rem;
}

.lp-mock-pill--blue {
  background: var(--lp-blue-soft);
  color: var(--lp-blue-dark);
}

.lp-mock-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
  margin-top: 0.35rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--lp-border);
}

.lp-mock-stats div {
  text-align: center;
  padding: 0.5rem;
  background: #f8fafc;
  border-radius: 0.5rem;
}

.lp-mock-stats strong {
  display: block;
  font-size: 0.7rem;
  color: var(--lp-muted);
  font-weight: 600;
}

.lp-mock-stats span {
  font-size: 1rem;
  font-weight: 800;
  color: var(--lp-text);
}

.lp-mock--card {
  padding: 1rem 1.15rem;
}

.lp-mock--float {
  position: absolute;
  right: 0;
  bottom: -0.5rem;
  width: min(220px, 55%);
  animation: lp-float 4s ease-in-out infinite;
}

@keyframes lp-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.lp-mock-label {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--lp-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.lp-mock-time {
  margin: 0.35rem 0;
  font-size: 0.85rem;
}

.lp-mock-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  background: #ecfdf5;
  color: #047857;
  border-radius: 999px;
}

/* Feature strip */
.lp-strip {
  position: relative;
  z-index: 2;
  margin-top: -2.5rem;
  padding-bottom: 1rem;
}

.lp-strip-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
}

@media (min-width: 768px) {
  .lp-strip-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
  }
}

.lp-strip-item {
  background: var(--lp-surface);
  border-radius: var(--lp-radius);
  padding: 1.35rem 1rem;
  text-align: center;
  border: 1px solid var(--lp-border);
  box-shadow: var(--lp-shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

.lp-strip-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--lp-shadow-lg);
}

.lp-strip-icon {
  width: 3rem;
  height: 3rem;
  margin: 0 auto 0.85rem;
  border-radius: 50%;
  background: var(--lp-blue-soft);
  color: var(--lp-blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.lp-strip-icon svg {
  width: 1.5rem;
  height: 1.5rem;
}

.lp-strip-icon--warm {
  background: var(--lp-coral-soft);
  color: var(--lp-coral);
}

.lp-strip-item h3 {
  margin: 0 0 0.25rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.lp-strip-item p {
  margin: 0;
  font-size: 0.8rem;
  color: var(--lp-muted);
}

/* Screen showcase */
.lp-showcase {
  background: linear-gradient(180deg, #fff 0%, var(--lp-bg) 100%);
}

.lp-showcase-block {
  display: grid;
  gap: 2rem;
  align-items: center;
  margin-bottom: 4rem;
}

.lp-showcase-block:last-child {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .lp-showcase-block {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3rem;
  }

  .lp-showcase-block--reverse .lp-showcase-media {
    order: 2;
  }

  .lp-showcase-block--reverse .lp-showcase-copy {
    order: 1;
  }
}

.lp-showcase-media {
  border-radius: var(--lp-radius-lg);
  overflow: hidden;
  border: 1px solid var(--lp-border);
  box-shadow: var(--lp-shadow-lg);
  background: #f1f5f9;
  line-height: 0;
  aspect-ratio: 900 / 520;
}

.lp-showcase-media--wide {
  aspect-ratio: 900 / 520;
}

.lp-showcase-media--phone {
  aspect-ratio: 420 / 780;
  max-width: 16rem;
  margin-left: auto;
  margin-right: auto;
}

.lp-showcase-media img {
  width: 100%;
  height: auto;
  display: block;
}

.lp-showcase-media--pdf {
  aspect-ratio: 640 / 900;
  max-width: 22rem;
  margin: 0 auto;
}

@media (min-width: 900px) {
  .lp-showcase-media--phone {
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }

  .lp-showcase-media--pdf {
    margin: 0;
    max-width: none;
  }
}

.lp-showcase-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lp-blue);
  background: var(--lp-blue-soft);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.75rem;
}

.lp-showcase-copy h3,
.lp-showcase-copy-title {
  font-family: var(--lp-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.35;
}

.lp-about .lp-about-grid {
  margin-top: 2rem;
}

.lp-showcase-lead {
  color: var(--lp-muted);
  margin: 0 0 1.25rem;
  font-size: 1rem;
}

.lp-showcase-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.lp-showcase-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--lp-text);
}

.lp-showcase-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 0.35rem;
  height: 0.35rem;
  border-radius: 50%;
  background: var(--lp-coral);
}

.lp-showcase-list strong {
  color: var(--lp-blue-dark);
  font-weight: 700;
  margin-right: 0.25rem;
}

.lp-showcase-cta {
  margin: 1.5rem 0 0;
}

/* About */
.lp-about {
  background: var(--lp-surface);
}

.lp-about-grid {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

@media (min-width: 900px) {
  .lp-about-grid {
    grid-template-columns: 1fr 1.1fr;
  }
}

.lp-about-card {
  background: linear-gradient(145deg, var(--lp-blue-soft), #fff);
  border-radius: var(--lp-radius-lg);
  padding: 2rem;
  border: 1px solid rgba(37, 99, 235, 0.12);
  box-shadow: var(--lp-shadow);
}

.lp-about-card-title {
  margin: 0 0 1rem;
  font-family: var(--lp-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--lp-blue);
}

.lp-about-subheading {
  font-family: var(--lp-display);
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0;
  color: var(--lp-text);
}

.lp-screenshots-teaser-title {
  margin: 0.5rem 0 0;
  font-family: var(--lp-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--lp-text);
}

.lp-about-card p {
  margin: 0;
  color: var(--lp-muted);
}

.lp-about-pains {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

@media (min-width: 600px) {
  .lp-about-pains {
    grid-template-columns: 1fr 1fr;
  }
}

.lp-about-pains article {
  padding: 1.15rem 1.25rem;
  background: var(--lp-coral-soft);
  border-radius: var(--lp-radius);
  border: 1px solid #fed7aa;
}

.lp-about-pains h4 {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
}

.lp-about-pains p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--lp-muted);
}

/* Benefits */
.lp-benefits {
  background: var(--lp-bg);
}

.lp-benefits-grid {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 640px) {
  .lp-benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lp-benefit-card {
  background: var(--lp-surface);
  border-radius: var(--lp-radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--lp-border);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}

.lp-benefit-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--lp-shadow);
}

.lp-benefit-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.65rem;
  background: linear-gradient(135deg, var(--lp-blue), #60a5fa);
  color: #fff;
  font-family: var(--lp-display);
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.lp-benefit-card h3 {
  margin: 0 0 0.65rem;
  font-size: 1.1rem;
  line-height: 1.45;
}

.lp-benefit-card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--lp-muted);
}

/* Effects */
.lp-effects {
  background: linear-gradient(145deg, var(--lp-blue-dark) 0%, var(--lp-blue) 50%, #2d6fd4 100%);
  color: #fff;
  padding: 4.5rem 0;
}

.lp-effects-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .lp-effects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .lp-effects-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.lp-effect {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--lp-radius);
  padding: 1.5rem 1.25rem;
  text-align: center;
}

.lp-effect-icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  line-height: 1;
}

.lp-effect h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.lp-effect p {
  margin: 0;
  font-size: 0.85rem;
  opacity: 0.9;
  line-height: 1.6;
}

/* Steps */
.lp-steps {
  background: var(--lp-surface);
}

.lp-steps-track {
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 768px) {
  .lp-steps-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

.lp-step-card {
  position: relative;
  padding: 1.75rem 1.5rem;
  background: var(--lp-bg);
  border-radius: var(--lp-radius-lg);
  border: 1px solid var(--lp-border);
}

.lp-step-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--lp-blue);
  background: var(--lp-blue-soft);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.lp-step-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.lp-step-card p {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--lp-muted);
}

.lp-link-arrow {
  font-weight: 700;
  color: var(--lp-blue);
  text-decoration: none;
}

.lp-link-arrow:hover {
  text-decoration: underline;
}

/* Demo band */
.lp-demo-band {
  background: linear-gradient(135deg, var(--lp-blue-dark), var(--lp-accent));
  color: #fff;
  padding: 3.5rem 0;
}

.lp-demo-band-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .lp-demo-band-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.lp-demo-band h2,
.lp-demo-band-title {
  font-family: var(--lp-display);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 800;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.lp-demo-band p {
  margin: 0;
  opacity: 0.92;
  max-width: 28rem;
}

.lp-demo-band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  flex-shrink: 0;
}

.lp-br-sm {
  display: none;
}

@media (max-width: 480px) {
  .lp-br-sm {
    display: block;
  }
}

/* Contact */
.lp-contact {
  background: linear-gradient(180deg, var(--lp-bg) 0%, #fff 100%);
}

.lp-contact-grid {
  display: grid;
  gap: 2.5rem;
  align-items: start;
}

@media (min-width: 900px) {
  .lp-contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3rem;
  }
}

.lp-contact-lead {
  color: var(--lp-muted);
  margin: 0 0 1.25rem;
}

.lp-contact-notes {
  margin: 0;
  padding: 0;
  list-style: none;
}

.lp-contact-notes li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: 0.65rem;
  font-size: 0.92rem;
  color: var(--lp-muted);
}

.lp-contact-notes li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--lp-blue);
  font-weight: 700;
}

.lp-contact-form-wrap {
  background: var(--lp-surface);
  border-radius: var(--lp-radius-lg);
  padding: 1.75rem;
  border: 1px solid var(--lp-border);
  box-shadow: var(--lp-shadow);
}

.lp-form-row {
  display: grid;
  gap: 0;
}

@media (min-width: 600px) {
  .lp-form-row {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
}

.lp-form-field {
  margin-bottom: 0.25rem;
}

.lp-form label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

.lp-form label .req {
  color: #dc2626;
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.lp-form input,
.lp-form textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  font-size: 1rem;
  font-family: inherit;
  border: 1px solid var(--lp-border);
  border-radius: 0.65rem;
  margin-bottom: 1rem;
  background: var(--lp-bg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lp-form input:focus,
.lp-form textarea:focus {
  outline: none;
  border-color: var(--lp-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
  background: #fff;
}

.lp-form textarea {
  min-height: 7.5rem;
  resize: vertical;
}

.lp-hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.lp-check {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.5;
}

.lp-check input {
  width: auto;
  margin: 0.2rem 0 0;
  flex-shrink: 0;
}

.lp-form-msg {
  padding: 0.85rem 1rem;
  border-radius: 0.65rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  display: none;
}

.lp-form-msg.is-visible {
  display: block;
}

.lp-form-msg--ok {
  background: #ecfdf5;
  color: #047857;
  border: 1px solid #a7f3d0;
}

.lp-form-msg--err {
  background: #fef2f2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}

/* Legal pages */
.lp-legal-body {
  margin: 0;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  color: #0f172a;
  background: #f8fafc;
}

.lp-legal-header {
  border-bottom: 1px solid #e2e8f0;
  background: #fff;
  padding: 0.85rem 0;
}

.lp-legal-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.lp-legal-back {
  font-size: 0.88rem;
  font-weight: 600;
  color: #2563eb;
  text-decoration: none;
}

.lp-legal-back:hover {
  text-decoration: underline;
}

.lp-legal-main {
  max-width: 48rem;
  padding: 2rem 1.25rem 3.5rem;
  background: #fff;
  margin: 1.5rem auto 2rem;
  border-radius: 1rem;
  border: 1px solid #e2e8f0;
  box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
}

.lp-legal-main h1 {
  margin: 0 0 0.75rem;
  font-family: "Plus Jakarta Sans", "Noto Sans JP", sans-serif;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1.3;
}

.lp-legal-lead {
  margin: 0 0 1.5rem;
  color: #475569;
  line-height: 1.75;
  font-size: 0.95rem;
}

.lp-legal-main section {
  margin-bottom: 1.35rem;
}

.lp-legal-main h2 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: #1e293b;
}

.lp-legal-main p,
.lp-legal-main li {
  line-height: 1.75;
  font-size: 0.92rem;
  color: #334155;
}

.lp-legal-main ul,
.lp-legal-main ol {
  margin: 0.35rem 0 0;
  padding-left: 1.35rem;
}

.lp-legal-main a {
  color: #2563eb;
}

.lp-legal-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.lp-legal-table th,
.lp-legal-table td {
  border: 1px solid #e2e8f0;
  padding: 0.65rem 0.75rem;
  vertical-align: top;
  text-align: left;
  line-height: 1.65;
}

.lp-legal-table th {
  width: 32%;
  background: #f1f5f9;
  font-weight: 600;
  color: #334155;
}

.lp-legal-note {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  color: #64748b;
}

.lp-legal-updated {
  margin: 2rem 0 0;
  font-size: 0.85rem;
  color: #64748b;
}

/* Footer */
.lp-footer {
  padding: 2.5rem 0;
  background: #0f172a;
  color: rgba(255, 255, 255, 0.7);
}

.lp-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

@media (min-width: 640px) {
  .lp-footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }
}

.lp-logo--footer {
  color: #fff;
}

.lp-logo--footer:hover {
  color: #93c5fd;
}

.lp-footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: center;
}

.lp-footer-nav a {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
}

.lp-footer-nav a:hover {
  color: #fff;
}

.lp-footer-copy {
  margin: 0;
  width: 100%;
  text-align: center;
  font-size: 0.8rem;
  opacity: 0.65;
}

@media (min-width: 640px) {
  .lp-footer-copy {
    width: auto;
    text-align: right;
    margin-left: auto;
  }
}

/* Marketing: use cases, onboarding, security, FAQ, CTA microcopy */
.lp-usecases {
  background: var(--lp-bg);
}

.lp-usecases-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 768px) {
  .lp-usecases-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
}

.lp-usecase-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem 1.35rem;
  background: var(--lp-surface);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.lp-usecase-card:hover {
  border-color: rgba(37, 99, 235, 0.35);
  box-shadow: var(--lp-shadow);
}

.lp-usecase-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  font-size: 1.35rem;
  background: var(--lp-blue-soft);
  border-radius: 0.85rem;
}

.lp-usecase-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--lp-text);
}

.lp-security {
  background: linear-gradient(180deg, #f8fafc 0%, var(--lp-bg) 100%);
}

.lp-security-grid {
  display: grid;
  gap: 1rem;
  max-width: 52rem;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .lp-security-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.lp-security-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.35rem 1.25rem;
  background: #fff;
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
}

.lp-security-icon {
  flex-shrink: 0;
  font-size: 1.5rem;
  line-height: 1;
}

.lp-security-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--lp-muted);
}

.lp-faq {
  background: var(--lp-surface);
}

.lp-faq-list {
  max-width: 44rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.lp-faq-item {
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius-lg);
  background: var(--lp-bg);
  overflow: hidden;
}

.lp-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 1.1rem 1.25rem;
  padding-right: 2.75rem;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--lp-text);
  position: relative;
}

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

.lp-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--lp-blue);
  line-height: 1;
}

.lp-faq-item[open] summary::after {
  content: "−";
}

.lp-faq-item summary:hover {
  background: rgba(37, 99, 235, 0.04);
}

.lp-faq-answer {
  padding: 0 1.25rem 1.15rem;
  border-top: 1px solid var(--lp-border);
}

.lp-faq-answer p {
  margin: 0.85rem 0 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--lp-muted);
}

.lp-cta-stack {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.lp-cta-stack--left {
  align-items: flex-start;
}

@media (min-width: 1024px) {
  .lp-cta-stack {
    align-items: flex-start;
  }
}

.lp-cta-note {
  margin: 0.5rem 0 0;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--lp-muted);
  text-align: center;
}

.lp-cta-stack--left .lp-cta-note,
.lp-cta-group--center .lp-cta-note {
  text-align: center;
}

@media (min-width: 1024px) {
  .lp-cta-stack .lp-cta-note {
    text-align: left;
  }
}

.lp-cta-consult {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  text-align: center;
}

@media (min-width: 1024px) {
  .lp-cta-stack .lp-cta-consult {
    text-align: left;
  }
}

.lp-cta-consult a {
  font-weight: 700;
  color: var(--lp-blue);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.lp-cta-consult a:hover {
  color: var(--lp-blue-dark);
}

.lp-cta-group {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.lp-cta-group--center {
  text-align: center;
}

.lp-cta-final {
  background: linear-gradient(180deg, var(--lp-blue-soft) 0%, #fff 100%);
  border-top: 1px solid var(--lp-border);
  border-bottom: 1px solid var(--lp-border);
}

/* カスタマイズ・ご相談 */
.lp-customize {
  background: linear-gradient(180deg, #fff 0%, #f8fafc 50%, #fff 100%);
}

.lp-customize-lead {
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.lp-customize-gallery {
  display: grid;
  gap: 1.25rem;
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .lp-customize-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 2.75rem;
  }
}

.lp-customize-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: var(--lp-radius-lg);
  border: 1px solid var(--lp-border);
  background: #fff;
  box-shadow: var(--lp-shadow);
}

.lp-customize-media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #e2e8f0;
}

.lp-customize-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.lp-customize-caption {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.15rem 1.2rem;
  margin: 0;
}

.lp-customize-caption-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--lp-text);
}

.lp-customize-caption-text {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--lp-muted);
}

.lp-customize-actions {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

@media (min-width: 768px) {
  .lp-customize-actions {
    margin-top: 2.25rem;
  }
}