:root {
  --lp-bg: #ffffff;
  --lp-text: #1f2937;
  --lp-text-light: #f8fafc;
  --lp-muted: #6b7280;
  --lp-line: #d1d5db;
  --lp-dark: #0f172a;
  --lp-dark-2: #111827;
  --lp-accent: #bfa15a;
  --lp-green: #06c755;
  --lp-green-dark: #05a847;
  --lp-gray-bg: #f8fafc;
  --lp-shadow: 0 10px 30px rgba(15, 23, 42, 0.10);
  --lp-radius: 18px;
  --lp-radius-sm: 12px;
  --lp-width: 1120px;
}

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

html {
  scroll-behavior: smooth;
}

body.lp-premium-body {
  margin: 0;
  background: var(--lp-bg);
  color: var(--lp-text);
  font-family:
    "Hiragino Sans",
    "Yu Gothic",
    "Yu Gothic Medium",
    "Noto Sans JP",
    sans-serif;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}

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

a {
  text-decoration: none;
}

.lp-premium {
  overflow-x: clip;
}

.lp-container {
  width: min(100% - 32px, var(--lp-width));
  margin-inline: auto;
}

.section {
  padding: 56px 0;
}

.section--gray {
  background: var(--lp-gray-bg);
}

.section--dark {
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color: var(--lp-text-light);
}

.section-head {
  margin-bottom: 28px;
}

.section-head__en {
  margin: 0 0 8px;
  color: var(--lp-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.section-head h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.section-head--light h2 {
  color: var(--lp-text-light);
}

.lp-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.lp-header__inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
}

.lp-header__logo {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.lp-header__sub {
  color: rgba(255,255,255,0.72);
  font-size: 11px;
  line-height: 1.5;
}

.lp-header__tel {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.hero {
  position: relative;
  min-height: 88svh;
  display: grid;
  align-items: end;
  background: #0f172a;
}

.hero__media,
.hero__media img,
.hero__overlay {
  position: absolute;
  inset: 0;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  background:
    linear-gradient(180deg, rgba(0,0,0,0.28) 0%, rgba(0,0,0,0.58) 55%, rgba(0,0,0,0.78) 100%);
}

.hero__content {
  position: relative;
  z-index: 1;
  color: #fff;
  padding-top: 64px;
  padding-bottom: 34px;
}

.hero__eyebrow {
  margin: 0 0 10px;
  color: #f8fafc;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero__title {
  margin: 0 0 14px;
  font-size: 34px;
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.hero__lead {
  margin: 0 0 22px;
  font-size: 15px;
  color: rgba(255,255,255,0.92);
}

.hero__note {
  margin: 10px 0 0;
  font-size: 12px;
  color: rgba(255,255,255,0.82);
}

.btn-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 56px;
  padding: 14px 20px;
  border-radius: 999px;
  background: var(--lp-green);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 10px 20px rgba(6, 199, 85, 0.24);
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn-line:hover {
  background: var(--lp-green-dark);
  transform: translateY(-1px);
}

.btn-line--large {
  min-height: 62px;
  font-size: 17px;
}

.trustbar {
  background: #111827;
  color: #fff;
  padding: 14px 0;
}

.trustbar__grid {
  display: grid;
  gap: 10px;
}

.trustbar__item {
  font-size: 13px;
  text-align: center;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 999px;
}

.problem__grid,
.value__grid,
.fit__grid,
.cases__grid {
  display: grid;
  gap: 16px;
}

.card,
.value-card,
.fit-card,
.case-card,
.flow-step,
.faq-item {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: var(--lp-radius);
  box-shadow: var(--lp-shadow);
}

.card {
  padding: 20px;
}

.card p {
  margin: 0;
  font-size: 15px;
}

.solution__grid,
.local__grid {
  display: grid;
  gap: 24px;
}

.solution__text p,
.local__text p {
  margin: 0 0 16px;
  font-size: 15px;
}

.solution__image img,
.local__image img {
  border-radius: var(--lp-radius);
  box-shadow: var(--lp-shadow);
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 28px;
  font-size: 15px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--lp-accent);
  font-weight: 800;
}

.value-card {
  padding: 22px 18px;
}

.value-card h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.4;
}

.value-card p {
  margin: 0;
  font-size: 15px;
  color: var(--lp-muted);
}

.case-card {
  overflow: hidden;
}

.case-card img {
  aspect-ratio: 16 / 10;
  width: 100%;
  object-fit: cover;
}

.case-card__body {
  padding: 18px;
}

.case-card__body h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.case-card__body p {
  margin: 0;
  font-size: 14px;
  color: var(--lp-muted);
}

.fit-card {
  padding: 18px;
  font-size: 15px;
  font-weight: 700;
}

.flow__steps {
  display: grid;
  gap: 16px;
}

.flow-step {
  position: relative;
  padding: 22px 18px 18px;
}

.flow-step__num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--lp-accent);
  color: #fff;
  font-weight: 800;
  margin-bottom: 12px;
}

.flow-step h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.flow-step p {
  margin: 0;
  color: var(--lp-muted);
  font-size: 14px;
}

.line-guide__inner {
  text-align: center;
}

.message-example {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.message-bubble {
  max-width: 100%;
  margin-inline: auto;
  background: #eafaf0;
  border: 1px solid #c8f1d7;
  color: #0f5132;
  border-radius: 18px 18px 18px 6px;
  padding: 14px 16px;
  font-size: 15px;
  font-weight: 700;
  text-align: left;
}

.line-guide__note {
  margin: 16px 0 0;
  color: var(--lp-muted);
  font-size: 14px;
}

.cta-final {
  background: linear-gradient(180deg, #111827 0%, #0f172a 100%);
  color: #fff;
  padding: 64px 0 80px;
}

.cta-final__inner {
  text-align: center;
}

.cta-final__eyebrow {
  margin: 0 0 10px;
  color: var(--lp-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.cta-final__title {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.35;
}

.cta-final__lead {
  margin: 0 0 24px;
  color: rgba(255,255,255,0.9);
  font-size: 15px;
}

.faq__list {
  display: grid;
  gap: 12px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 18px 18px;
  font-size: 15px;
  font-weight: 700;
  position: relative;
}

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

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 18px;
  font-size: 20px;
  line-height: 1;
}

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

.faq-item p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14px;
  color: var(--lp-muted);
}

.lp-footer {
  background: #0b1220;
  color: rgba(255,255,255,0.78);
  padding: 24px 0 88px;
  text-align: center;
}

.lp-footer__shop {
  color: #fff;
  font-weight: 700;
  margin-bottom: 6px;
}

.lp-footer__text {
  font-size: 13px;
}

.floating-cta {
  position: fixed;
  left: 12px;
  right: 12px;
  bottom: max(12px, env(safe-area-inset-bottom));
  z-index: 60;
}

@media (min-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .section-head h2 {
    font-size: 36px;
  }

  .hero {
    min-height: 92vh;
  }

  .hero__content {
    padding-top: 90px;
    padding-bottom: 56px;
    max-width: 720px;
  }

  .hero__title {
    font-size: 54px;
  }

  .hero__lead {
    font-size: 17px;
  }

  .btn-line {
    width: auto;
    min-width: 340px;
    padding-inline: 28px;
  }

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

  .problem__grid,
  .value__grid,
  .fit__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .solution__grid,
  .local__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
  }

  .flow__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .message-example {
    max-width: 680px;
    margin-inline: auto;
  }

  .cta-final__title {
    font-size: 42px;
  }

  .floating-cta {
    left: auto;
    right: 20px;
    bottom: 20px;
    width: 280px;
  }

  .floating-cta .btn-line {
    width: 100%;
    min-width: 0;
  }
}

@media (min-width: 1024px) {
  .lp-header__logo {
    font-size: 18px;
  }

  .lp-header__sub {
    font-size: 12px;
  }

  .problem__grid {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .fit__grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .flow__steps {
    grid-template-columns: repeat(4, 1fr);
  }

  .cta-final {
    padding: 84px 0 96px;
  }
}