:root {
  --bg-page: #f4f4f8;
  --bg-gray: #f7f8fa;
  --bg-pink: #fff5f6;
  --bg-pink-strong: #f7b1b8;
  --pink-100: #fde8ea;
  --pink-200: #f7d3d6;
  --pink-300: #ffb7b7;
  --pink-700: #cf6570;
  --text-main: #1f2937;
  --text-sub: #4b5563;
  --line: #e5e7eb;
  --white: #fff;
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-md: 0 14px 28px rgb(0 0 0 / 0.08);
  --shadow-sm: 0 8px 20px rgb(0 0 0 / 0.06);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: radial-gradient(circle at top, #fff 0%, var(--bg-page) 58%);
  color: var(--text-main);
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.7;
}

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

.canvas {
  width: min(100% - 32px, 1180px);
  margin: 24px auto 40px;
  border-radius: 28px;
  overflow: clip;
  background: var(--bg-gray);
  box-shadow: 0 22px 50px rgb(0 0 0 / 0.08);
}

section {
  position: relative;
  padding: clamp(56px, 8vw, 92px) clamp(18px, 4vw, 56px);
}

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

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

.section-pink-light {
  background: #fdf2f4;
}

.hero {
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 78% 16%, rgb(255 255 255 / 0.75), transparent 230px),
    radial-gradient(circle at 20% 80%, rgb(255 255 255 / 0.5), transparent 260px),
    linear-gradient(145deg, #ffe9ec 0%, #fff7f8 55%, #ffe7ea 100%);
}

.peach {
  position: absolute;
  width: clamp(52px, 8vw, 96px);
  height: clamp(52px, 8vw, 96px);
  opacity: 0.18;
  pointer-events: none;
}

.peach-top {
  top: 26px;
  left: clamp(10px, 3vw, 34px);
}

.peach-bottom {
  right: clamp(10px, 3vw, 34px);
  bottom: clamp(80px, 12vw, 140px);
}

.badge {
  display: inline-block;
  min-width: 144px;
  padding: 5px 18px;
  border-radius: var(--radius-pill);
  background: var(--pink-300);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.hero-title {
  margin-top: 14px;
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(2rem, 5.2vw, 3.65rem);
  line-height: 1.14;
}

.hero-subtitle {
  margin: 18px auto 0;
  width: min(100%, 720px);
  color: var(--text-sub);
  font-size: clamp(1rem, 2.1vw, 1.3rem);
  line-height: 1.75;
  font-weight: 500;
}

.cta-row {
  margin-top: 34px;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 26px;
  border-radius: var(--radius-pill);
  font-size: clamp(0.95rem, 1.8vw, 1.02rem);
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  border: 2px solid #d8dbe0;
  background: var(--white);
  color: var(--pink-700);
}

.btn-solid {
  background: var(--pink-300);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.hero-dot {
  width: 36px;
  height: 16px;
  margin: 14px auto 0;
  border-radius: var(--radius-pill);
  background: var(--pink-200);
}

.hero-orb {
  width: min(68vw, 360px);
  aspect-ratio: 1;
  margin: 18px auto 0;
  border-radius: 46% 54% 53% 47% / 48% 47% 53% 52%;
  border: 7px solid var(--white);
  background: linear-gradient(145deg, #fff 0%, #ffe8eb 100%);
  box-shadow: var(--shadow-md);
}

.section-problem {
  text-align: center;
}

.section-problem h2 {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.55rem, 4.1vw, 2.1rem);
}

.section-problem ul {
  margin: 26px auto 0;
  max-width: 760px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  color: var(--text-sub);
  font-size: clamp(1.02rem, 2.5vw, 1.44rem);
}

.problem-end {
  margin-top: 24px;
  color: var(--pink-700);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
}

.section-product {
  display: grid;
  grid-template-columns: minmax(240px, 360px) minmax(280px, 1fr);
  gap: clamp(20px, 3.2vw, 44px);
  align-items: center;
}

.product-visual {
  display: flex;
  justify-content: center;
}

.drink-card {
  width: min(88vw, 320px);
  aspect-ratio: 3 / 4;
  border-radius: 24px;
  background: #fffdfd;
  border: 1px solid #f5dadd;
  box-shadow: var(--shadow-md);
  display: grid;
  place-items: center;
}

.product-peach {
  width: min(46%, 146px);
  aspect-ratio: 1;
  opacity: 0.88;
}

.product-copy h2 {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.9rem, 4vw, 2.5rem);
}

.price {
  margin-top: 8px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.yen {
  color: var(--pink-700);
  font-size: clamp(2rem, 4.5vw, 2.6rem);
  font-weight: 700;
}

.tax {
  color: var(--text-sub);
  font-size: clamp(0.96rem, 2vw, 1.15rem);
}

.product-copy > p {
  margin-top: 14px;
  color: var(--text-sub);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
}

.notice {
  color: #6b7280;
  font-size: 0.9rem;
}

.product-btn {
  margin-top: 20px;
}

.section-reasons {
  text-align: center;
}

.section-reasons > h2 {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.65rem, 4vw, 2.4rem);
}

.reason-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(14px, 2vw, 24px);
}

.reason-item {
  background: var(--white);
  border: 1px solid #f2d7da;
  border-radius: var(--radius-lg);
  padding: 24px 18px;
  text-align: left;
}

.reason-icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: var(--pink-100);
  color: var(--pink-700);
  display: grid;
  place-items: center;
  font-size: 1.45rem;
  font-weight: 700;
}

.reason-item h3 {
  margin-top: 14px;
  color: var(--pink-700);
  font-size: clamp(1.1rem, 2.2vw, 1.34rem);
}

.reason-item p {
  margin-top: 10px;
  color: var(--text-sub);
  font-size: clamp(0.94rem, 1.9vw, 1.03rem);
  line-height: 1.75;
}

.section-coupon {
  text-align: center;
  background:
    radial-gradient(circle at 0% 100%, rgb(255 255 255 / 0.17) 0 140px, transparent 140px),
    radial-gradient(circle at 100% 0%, rgb(255 255 255 / 0.17) 0 140px, transparent 140px),
    var(--bg-pink-strong);
}

.coupon-lead {
  color: var(--white);
  font-size: clamp(1rem, 2.4vw, 1.3rem);
  font-weight: 600;
}

.section-coupon h2 {
  margin-top: 10px;
  color: var(--white);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.8rem, 4.8vw, 3.15rem);
  line-height: 1.25;
}

.coupon-note {
  margin: 18px auto 0;
  width: min(100%, 640px);
  padding: 20px;
  border-radius: 20px;
  border: 1px solid rgb(255 255 255 / 0.45);
  background: rgb(255 255 255 / 0.2);
  backdrop-filter: blur(4px);
  color: var(--white);
  font-size: clamp(1.1rem, 3vw, 2rem);
  font-weight: 700;
}

.coupon-end {
  margin-top: 18px;
  color: var(--white);
  font-size: clamp(1.1rem, 2.5vw, 1.7rem);
}

.section-outline {
  display: grid;
  place-items: center;
}

.outline-card {
  width: min(100%, 760px);
  border: 1px solid #f4d8db;
  border-radius: var(--radius-xl);
  background: #fffdfd;
  box-shadow: var(--shadow-sm);
  padding: clamp(24px, 4vw, 44px);
}

.outline-card h2 {
  color: var(--pink-700);
  text-align: center;
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.55rem, 3.6vw, 2.2rem);
}

.outline-card dl {
  margin-top: 26px;
}

.outline-card dl div {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 22px;
  padding: 14px 0;
  border-bottom: 1px solid #eef1f4;
}

.outline-card dl div:last-child {
  border-bottom: 0;
}

.outline-card dt {
  color: #111827;
  font-weight: 700;
  font-size: clamp(1rem, 2.2vw, 1.24rem);
}

.outline-card dd {
  margin: 0;
  color: var(--text-sub);
  font-size: clamp(0.98rem, 2vw, 1.2rem);
  line-height: 1.8;
}

.section-steps {
  text-align: center;
}

.section-steps h2 {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.55rem, 3.8vw, 2.2rem);
}

.steps-grid {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-item {
  position: relative;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 1px solid #f2d9dc;
  min-height: 108px;
  padding: 30px 14px 16px;
  display: grid;
  place-items: center;
}

.step-no {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #fcd7dc;
  color: var(--pink-700);
  font-size: 1.25rem;
  line-height: 34px;
  font-weight: 700;
}

.step-item p {
  color: var(--text-sub);
  font-size: clamp(1rem, 1.9vw, 1.2rem);
  font-weight: 500;
  line-height: 1.65;
}

.steps-cta {
  margin-top: 34px;
}

.section-final {
  text-align: center;
}

.section-final h2 {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.65rem, 4.8vw, 3.35rem);
  line-height: 1.28;
}

.final-btn {
  margin-top: 26px;
  min-height: 62px;
  padding-inline: 34px;
  font-size: clamp(1.08rem, 2.4vw, 1.62rem);
}

.section-final p {
  margin-top: 18px;
  color: var(--pink-700);
  font-size: clamp(0.95rem, 2vw, 1.12rem);
  font-weight: 500;
}

.site-footer {
  background: var(--bg-gray);
  border-top: 1px solid #ebeef2;
  text-align: center;
  padding: 30px 16px;
}

.brand {
  color: var(--pink-700);
  font-family: "Zen Maru Gothic", sans-serif;
  font-size: clamp(1.25rem, 2.5vw, 1.62rem);
}

.copy {
  margin-top: 4px;
  color: #6b7280;
  font-size: 0.92rem;
}

.mobile-float-order {
  display: none;
}

@media (max-width: 900px) {
  .canvas {
    width: 100%;
    margin: 0;
    border-radius: 0;
    box-shadow: none;
    padding-bottom: 88px;
  }

  section {
    padding: 52px 16px;
  }

  .hero {
    text-align: left;
  }

  .hero-title,
  .hero-subtitle {
    text-align: left;
  }

  .hero-subtitle {
    margin-left: 0;
  }

  .cta-row {
    justify-content: stretch;
  }

  .btn {
    width: 100%;
  }

  .section-product {
    grid-template-columns: 1fr;
  }

  .product-copy {
    text-align: left;
  }

  .price {
    justify-content: flex-start;
  }

  .reason-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .outline-card dl div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .mobile-float-order {
    position: fixed;
    left: 12px;
    right: 12px;
    bottom: max(10px, env(safe-area-inset-bottom));
    min-height: 54px;
    border-radius: var(--radius-pill);
    background: var(--pink-300);
    color: var(--white);
    text-decoration: none;
    display: grid;
    place-items: center;
    font-size: 1.02rem;
    font-weight: 700;
    z-index: 40;
    box-shadow: 0 10px 18px rgb(0 0 0 / 0.16);
  }
}

@media (max-width: 480px) {
  .hero-title br,
  .hero-subtitle br,
  .section-final h2 br,
  .section-coupon h2 br {
    display: none;
  }

  .hero-orb {
    width: min(86vw, 330px);
  }

  .outline-card {
    border-radius: 20px;
  }
}