:root {
  --bg: #f7f9fc;
  --surface-alt: #f1f5f9;
  --border: #e5e7eb;
  --border-strong: #d1d5db;
  --text: #0f1f3d;
  --text-2: #475569;
  --text-muted: #64748b;
  --accent: #f59e5e;
  --accent-2: #ed7a31;
  --navy: #0f1f3d;
  --shadow-xs: 0 1px 2px 0 rgb(15 31 61 / 0.05);
  --shadow-lg: 0 12px 28px -8px rgb(15 31 61 / 0.16), 0 4px 8px -2px rgb(15 31 61 / 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "Noto Sans JP", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }

@keyframes lp-rise {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

.lp-page {
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 88% 8%, rgb(245 158 94 / 0.18), transparent 28rem),
    linear-gradient(180deg, #fffaf3 0%, #f7f9fc 34%, #ffffff 100%);
}

.lp-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.lp-logo {
  display: inline-flex;
  align-items: center;
}

.lp-logo img {
  display: block;
  width: auto;
  height: 30px;
}

.lp-footer > img {
  display: block;
  width: auto;
  height: 24px;
}

.lp-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 700;
}

.lp-nav-login {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgb(255 255 255 / 0.78);
  color: var(--text);
}

.lp-hero {
  width: min(1160px, calc(100% - 40px));
  min-height: calc(100svh - 68px);
  margin: 0 auto;
  padding: 72px 0 96px;
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(440px, 1.12fr);
  align-items: center;
  gap: 48px;
}

.lp-hero-copy {
  animation: lp-rise 520ms ease both;
}

.lp-kicker,
.lp-section-label {
  margin: 0;
  color: var(--accent-2);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.lp-hero h1,
.lp-section h2,
.lp-band h2,
.lp-pricing h2,
.lp-final-cta h2 {
  margin: 0;
  color: var(--navy);
  font-weight: 900;
  letter-spacing: 0;
}

.lp-hero h1 {
  margin-top: 18px;
  max-width: 620px;
  font-size: clamp(2.7rem, 5.2vw, 4.8rem);
  line-height: 1.04;
}

.lp-hero h1 span {
  display: block;
}

.lp-lead {
  max-width: 620px;
  margin: 26px 0 0;
  color: var(--text-2);
  font-size: 17px;
  line-height: 2;
}

.lp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.lp-button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.lp-button:hover {
  transform: translateY(-1px);
}

.lp-button-primary {
  background: var(--accent-2);
  color: #fff;
  box-shadow: 0 18px 36px -18px rgb(237 122 49 / 0.8);
}

.lp-hero-points {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  max-width: 590px;
  gap: 12px;
  margin-top: 34px;
}

.lp-hero-points div {
  padding: 16px 14px;
  border: 1px solid rgb(15 31 61 / 0.09);
  border-radius: 8px;
  background: rgb(255 255 255 / 0.74);
  box-shadow: var(--shadow-xs);
}

.lp-hero-points strong {
  display: block;
  color: var(--navy);
  font-size: 28px;
  line-height: 1;
}

.lp-hero-points span {
  display: block;
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.lp-product-visual {
  position: relative;
  min-height: 560px;
  animation: lp-rise 620ms 80ms ease both;
}

.lp-screen-card {
  position: absolute;
  top: 28px;
  right: 0;
  width: min(640px, 100%);
  overflow: hidden;
  border: 1px solid rgb(15 31 61 / 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 34px 70px -36px rgb(15 31 61 / 0.5);
}

.lp-screen-card img,
.lp-sample-card img {
  display: block;
  width: 100%;
  height: auto;
}

.lp-screen-topbar {
  height: 38px;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
}

.lp-screen-topbar span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--border-strong);
}

.lp-screen-topbar span:first-child {
  background: var(--accent);
}

.lp-screen-topbar strong {
  margin-left: 8px;
  color: var(--text-muted);
  font-size: 12px;
}

.lp-sample-card {
  position: absolute;
  left: 0;
  bottom: 10px;
  width: min(310px, 52%);
  overflow: hidden;
  padding: 10px;
  border: 1px solid rgb(255 255 255 / 0.74);
  border-radius: 8px;
  background: rgb(255 255 255 / 0.88);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
}

.lp-sample-card span {
  display: block;
  margin: 2px 2px 9px;
  color: var(--navy);
  font-size: 12px;
  font-weight: 900;
}

.lp-sample-card img {
  border-radius: 6px;
}

.lp-band,
.lp-section,
.lp-pricing,
.lp-final-cta,
.lp-footer {
  width: min(1160px, calc(100% - 40px));
  margin: 0 auto;
}

.lp-band {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 44px;
  align-items: center;
  padding: 44px;
  border-radius: 8px;
  background: var(--navy);
  color: #fff;
}

.lp-band h2 {
  margin-top: 10px;
  color: #fff;
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
}

.lp-problem ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lp-problem li {
  padding: 18px 18px 18px 42px;
  border: 1px solid rgb(255 255 255 / 0.16);
  border-radius: 8px;
  background: rgb(255 255 255 / 0.08);
  color: rgb(255 255 255 / 0.9);
  font-weight: 800;
  position: relative;
}

.lp-problem li::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
}

.lp-section,
.lp-pricing {
  padding: 108px 0 0;
}

.lp-section-head {
  max-width: 720px;
}

.lp-section-head h2,
.lp-pricing h2,
.lp-final-cta h2 {
  margin-top: 12px;
  font-size: clamp(2rem, 4.2vw, 4rem);
  line-height: 1.08;
}

.lp-section-head p:not(.lp-section-label),
.lp-price-copy p,
.lp-final-cta p:not(.lp-section-label) {
  margin: 18px 0 0;
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.9;
}

.lp-feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.lp-feature {
  min-height: 270px;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow-xs);
}

.lp-feature > span {
  display: block;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2)), var(--accent);
  box-shadow: 0 12px 24px -16px rgb(237 122 49 / 0.85);
}

.lp-feature h3 {
  margin: 24px 0 0;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.35;
}

.lp-feature p {
  margin: 12px 0 0;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.85;
}

.lp-flow ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.lp-flow li {
  min-height: 150px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 18px;
  border-radius: 8px;
  background: var(--surface-alt);
}

.lp-flow span {
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
}

.lp-flow strong {
  color: var(--navy);
  font-size: 20px;
  line-height: 1.35;
}

.lp-pricing {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 56px;
  align-items: center;
}

.lp-price-card {
  padding: 28px;
  border: 1px solid rgb(15 31 61 / 0.1);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow-lg);
}

.lp-price-card > p {
  margin: 0;
  color: var(--accent-2);
  font-size: 13px;
  font-weight: 900;
}

.lp-price-card div {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-top: 8px;
  color: var(--navy);
}

.lp-price-card span {
  font-size: 24px;
  font-weight: 900;
}

.lp-price-card strong {
  font-size: 64px;
  line-height: 1;
}

.lp-price-card small {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 800;
}

.lp-price-card ul {
  display: grid;
  gap: 10px;
  margin: 24px 0;
  padding: 0;
  list-style: none;
}

.lp-price-card li {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
}

.lp-faq-list {
  display: grid;
  gap: 10px;
  margin-top: 32px;
}

.lp-faq {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
}

.lp-faq summary {
  cursor: pointer;
  padding: 20px 22px;
  color: var(--navy);
  font-weight: 900;
}

.lp-faq p {
  margin: 0;
  padding: 0 22px 22px;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.85;
}

.lp-final-cta {
  margin-top: 112px;
  padding: 58px 40px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgb(255 241 227 / 0.98), rgb(255 255 255 / 0.96)), #fff;
  text-align: center;
  border: 1px solid rgb(237 122 49 / 0.18);
}

.lp-final-cta .lp-button {
  margin-top: 28px;
}

.lp-footer {
  display: grid;
  justify-items: center;
  align-items: center;
  gap: 14px;
  padding: 34px 0;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
}

.lp-footer div {
  display: grid;
  justify-items: center;
  gap: 10px;
}

.lp-footer a {
  color: inherit;
  font-weight: 700;
}

.lp-footer p {
  margin: 0;
}

@media (max-width: 768px) {
  .lp-header,
  .lp-hero,
  .lp-band,
  .lp-section,
  .lp-pricing,
  .lp-final-cta,
  .lp-footer {
    width: min(100% - 28px, 1160px);
  }

  .lp-header {
    padding: 14px 0;
  }

  .lp-nav {
    gap: 10px;
    font-size: 12px;
  }

  .lp-nav a:not(.lp-nav-login):nth-child(-n + 3) {
    display: none;
  }

  .lp-nav-login {
    min-height: 34px;
    padding: 0 12px;
  }

  .lp-hero {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 34px;
    padding: 46px 0 64px;
  }

  .lp-hero h1 {
    max-width: 100%;
    font-size: clamp(2.1rem, 9.5vw, 2.95rem);
    line-height: 1.12;
  }

  .lp-lead {
    font-size: 15px;
    line-height: 1.9;
  }

  .lp-button {
    width: 100%;
    min-height: 48px;
  }

  .lp-hero-points {
    grid-template-columns: 1fr;
  }

  .lp-product-visual {
    min-height: auto;
    display: grid;
    gap: 14px;
  }

  .lp-screen-card,
  .lp-sample-card {
    position: static;
    width: 100%;
  }

  .lp-screen-card {
    box-shadow: 0 24px 48px -34px rgb(15 31 61 / 0.48);
  }

  .lp-sample-card {
    padding: 9px;
  }

  .lp-band {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 28px 18px;
  }

  .lp-section,
  .lp-pricing {
    padding-top: 72px;
  }

  .lp-feature-grid,
  .lp-flow ol,
  .lp-pricing {
    grid-template-columns: 1fr;
  }

  .lp-feature {
    min-height: auto;
  }

  .lp-flow li {
    min-height: 112px;
  }

  .lp-price-card {
    padding: 22px;
  }

  .lp-price-card strong {
    font-size: 54px;
  }

  .lp-final-cta {
    margin-top: 78px;
    padding: 38px 18px;
  }

  .lp-footer {
    gap: 12px;
  }
}
