:root {
  --bg: #ededed;
  --card: #ffffff;
  --line: #e0e0e0;
  --text: #333333;
  --dim: #666666;
  --faint: #999999;
  --accent: #2b7bbf;
  --accent-strong: #1f649c;
  --soft: #e3f0fb;
  --shadow: 0 1px 3px rgba(21, 48, 74, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--accent);
}

.lp-top {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(237, 237, 237, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.lp-logo {
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--accent);
  text-decoration: none;
}

.lp-logo span {
  margin-left: 8px;
  color: var(--dim);
  font-weight: 500;
  letter-spacing: 0;
}

.lp-nav {
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 14px;
}

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

.lp-nav-buy {
  padding: 6px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff !important;
}

.lp-hero,
.lp-section,
.lp-final,
.lp-foot {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.lp-hero {
  width: min(1160px, calc(100% - 40px));
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 32px;
  align-items: start;
  padding: 48px 0 24px;
}

.lp-eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.35;
}

h1 span {
  display: block;
  margin-top: 8px;
  font-size: 0.62em;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lp-points {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.lp-points li {
  position: relative;
  padding-left: 1.15em;
  margin: 0 0 8px;
  color: var(--dim);
}

.lp-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

h2 {
  margin: 0 0 20px;
  font-size: clamp(22px, 3vw, 28px);
  line-height: 1.4;
}

h3 {
  margin: 0 0 8px;
  font-size: 17px;
}

.lp-lead,
.lp-trust,
.lp-card p,
.lp-story p,
.lp-faq p {
  color: var(--dim);
}

.lp-trust {
  font-size: 14px;
}

.lp-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 0;
  margin: 24px 0;
  list-style: none;
}

.lp-stats li {
  color: var(--dim);
  font-size: 14px;
}

.lp-stats strong {
  color: var(--text);
  font-size: 20px;
  margin-right: 4px;
}

.lp-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.lp-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 18px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
}

.lp-btn.ghost {
  background: #fff;
  color: var(--accent-strong);
  border: 1px solid var(--accent);
}

.lp-hero-shots {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.lp-hero-shots img,
.lp-preview img,
.lp-wide img {
  width: 100%;
  border-radius: 16px;
  box-shadow: var(--shadow);
  background: #fff;
}

figcaption {
  margin-top: 8px;
  font-size: 12px;
  color: var(--faint);
}

.lp-section {
  padding: 48px 0;
}

.lp-grid3,
.lp-grid2,
.lp-preview {
  display: grid;
  gap: 16px;
}

.lp-grid3 {
  grid-template-columns: repeat(3, 1fr);
}

.lp-grid2,
.lp-preview {
  grid-template-columns: 1fr 1fr;
}

.lp-card {
  background: var(--card);
  border-radius: 12px;
  padding: 20px 22px;
  box-shadow: var(--shadow);
}

.lp-num {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
  font-size: 13px;
}

.lp-wide {
  margin: 28px 0 0;
}

.lp-story-block {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 28px 32px;
  align-items: start;
}

.lp-story-block > div:first-child > p:first-child {
  margin-top: 0;
}

.lp-story-block h3 {
  margin: 20px 0 8px;
}

.lp-phones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 0;
}

.lp-phones figure {
  margin: 0;
}

.lp-phones img {
  width: 100%;
  border-radius: 16px;
  background: var(--bg);
}

.lp-price-card {
  background: var(--card);
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.lp-price-now {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
}

.lp-price-until {
  margin: 4px 0 0;
  color: var(--dim);
}

.lp-price-regular {
  margin: 6px 0 16px;
  color: var(--faint);
  text-decoration: line-through;
}

.lp-price-card ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--dim);
}

.lp-faq details {
  background: var(--card);
  border-radius: 10px;
  padding: 4px 18px;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
}

.lp-faq summary {
  cursor: pointer;
  font-weight: 700;
  padding: 12px 0;
}

.lp-final {
  padding: 24px 0 56px;
  text-align: center;
}

.lp-final .lp-cta {
  justify-content: center;
}

.lp-foot {
  padding: 24px 0 48px;
  color: var(--faint);
  font-size: 12px;
  border-top: 1px solid var(--line);
}

.lp-foot-links {
  margin-top: 12px;
}

.lp-foot-links a + a::before {
  content: " / ";
  color: var(--faint);
  margin: 0 6px;
}

.lp-doc {
  width: min(800px, calc(100% - 40px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.lp-doc h1 {
  margin: 0 0 8px;
  font-size: clamp(24px, 3vw, 32px);
}

.lp-doc .lp-updated {
  margin: 0 0 32px;
  color: var(--faint);
  font-size: 13px;
}

.lp-doc h2 {
  margin: 32px 0 12px;
  font-size: 18px;
}

.lp-doc p,
.lp-doc li {
  color: var(--dim);
}

.lp-doc ul,
.lp-doc ol {
  padding-left: 1.3em;
}

.lp-spec {
  display: grid;
  grid-template-columns: 11em 1fr;
  gap: 14px 20px;
  margin: 0;
}

.lp-spec dt {
  margin: 0;
  color: var(--text);
  font-weight: 700;
  font-size: 14px;
}

.lp-spec dd {
  margin: 0;
  color: var(--dim);
}

.lp-contact-mail {
  font-size: 18px;
  font-weight: 700;
}

@media (max-width: 860px) {
  .lp-hero,
  .lp-grid3,
  .lp-grid2,
  .lp-preview,
  .lp-story-block,
  .lp-spec {
    grid-template-columns: 1fr;
  }

  .lp-hero-shots {
    order: -1;
  }

  .lp-phones {
    max-width: 420px;
  }
}