:root {
  --ink: #262124;
  --muted: #6c6268;
  --paper: #fffaf8;
  --soft: #f4ebe8;
  --rose: #b66f7e;
  --rose-dark: #763f4f;
  --sage: #617467;
  --gold: #aa8547;
  --line: #e7dbd6;
  --white: #ffffff;
  --shadow: 0 22px 70px rgba(52, 37, 34, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

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

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

.lp-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 5%;
  background: rgba(255, 250, 248, 0.9);
  border-bottom: 1px solid rgba(231, 219, 214, 0.76);
  backdrop-filter: blur(16px);
}

.brand {
  display: grid;
  line-height: 1.1;
}

.brand span {
  color: var(--rose);
  font-size: 0.72rem;
  font-weight: 800;
}

.brand strong {
  font-family: "Noto Serif JP", serif;
  font-size: 1.18rem;
  letter-spacing: 0;
}

.header-cta,
.button,
.floating-cta,
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 20px;
  border-radius: 8px;
  font-weight: 900;
}

.header-cta,
.button.primary,
.floating-cta {
  color: var(--white);
  background: var(--rose-dark);
}

.button.light {
  color: var(--rose-dark);
  background: var(--white);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.8fr) minmax(360px, 1fr);
  min-height: 700px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 70px 8% 70px 10%;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--sage);
  font-size: 0.82rem;
  font-weight: 900;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Noto Serif JP", serif;
  line-height: 1.34;
  letter-spacing: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 20px;
  font-size: 3rem;
}

h2 {
  margin-bottom: 18px;
  font-size: 2.18rem;
}

h3 {
  margin-bottom: 6px;
  font-size: 1.08rem;
  line-height: 1.5;
}

.lead {
  max-width: 610px;
  color: var(--muted);
  font-size: 1.05rem;
}

.offer-box {
  display: grid;
  gap: 4px;
  max-width: 420px;
  margin: 18px 0;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.offer-box span {
  color: var(--sage);
  font-weight: 900;
}

.offer-box strong {
  font-size: 1.1rem;
}

.offer-box b {
  color: var(--rose-dark);
  font-size: 2rem;
  line-height: 1.1;
}

.hero-photo {
  min-height: 540px;
  background: linear-gradient(90deg, rgba(255, 250, 248, 0.75), rgba(255, 250, 248, 0.05)), url("assets/salon-hero.png") center / cover;
}

.problem,
.why,
.campaign,
.proof,
.comparison,
.reserve {
  padding: 88px 5%;
}

.problem {
  text-align: center;
  background: var(--ink);
  color: var(--white);
}

.problem .eyebrow {
  color: rgba(255, 255, 255, 0.72);
}

.problem h2 {
  max-width: 780px;
  margin: 0 auto 28px;
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  max-width: 980px;
  margin: 0 auto;
}

.problem-grid span {
  padding: 16px 12px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
  font-weight: 800;
}

.why {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.95fr);
  gap: 48px;
  align-items: center;
}

.why img,
.reserve img {
  height: 560px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.why article {
  margin-top: 18px;
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.why article span {
  color: var(--gold);
  font-weight: 900;
}

.why p,
.proof-copy p,
.comparison p,
.reserve p {
  color: var(--muted);
}

.campaign {
  display: grid;
  grid-template-columns: minmax(280px, 0.7fr) 1fr;
  gap: 32px;
  align-items: center;
  background: var(--soft);
}

.campaign ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.campaign li {
  display: grid;
  min-height: 130px;
  padding: 22px;
  background: var(--white);
  border-radius: 8px;
  align-content: space-between;
}

.campaign li span {
  color: var(--muted);
  font-weight: 800;
}

.campaign li strong {
  color: var(--rose-dark);
  font-size: 1.35rem;
}

.proof {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) 1fr;
  gap: 36px;
}

.voice-list {
  display: grid;
  gap: 12px;
}

.voice-list blockquote {
  margin: 0;
  padding: 24px;
  color: var(--muted);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.comparison {
  background: var(--white);
}

.comparison h2 {
  max-width: 760px;
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.compare-grid article {
  padding: 28px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.reserve {
  display: grid;
  grid-template-columns: minmax(320px, 1fr) minmax(320px, 0.8fr);
  gap: 44px;
  align-items: center;
  color: var(--white);
  background: var(--rose-dark);
}

.reserve .eyebrow,
.reserve p {
  color: rgba(255, 255, 255, 0.78);
}

footer {
  padding: 26px 5%;
  color: var(--muted);
  background: var(--ink);
  text-align: center;
}

.floating-cta {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  box-shadow: var(--shadow);
}

.back-link {
  position: fixed;
  left: 18px;
  bottom: 18px;
  z-index: 30;
  color: var(--rose-dark);
  background: var(--white);
  border: 1px solid var(--line);
}

@media (max-width: 900px) {
  .hero,
  .why,
  .campaign,
  .proof,
  .reserve {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-copy {
    padding: 54px 6% 34px;
  }

  h1 {
    font-size: 2.16rem;
  }

  h2 {
    font-size: 1.72rem;
  }

  .problem,
  .why,
  .campaign,
  .proof,
  .comparison,
  .reserve {
    padding: 64px 6%;
  }

  .problem-grid,
  .campaign ul,
  .compare-grid {
    grid-template-columns: 1fr;
  }

  .why img,
  .reserve img {
    height: 350px;
  }

  .floating-cta,
  .back-link {
    min-height: 42px;
    padding: 10px 14px;
    font-size: 0.9rem;
  }
}

@media (max-width: 520px) {
  .lp-header {
    padding: 12px 4%;
  }

  .brand strong {
    font-size: 1rem;
  }

  .header-cta {
    min-height: 40px;
    padding: 9px 14px;
  }

  .hero-photo {
    min-height: 360px;
  }
}