:root {
  --bg: #fff8d8;
  --surface: #ffffff;
  --surface-soft: #fff3b8;
  --ink: #263238;
  --muted: #64717a;
  --line: #e7dfad;
  --accent: #46bfe3;
  --accent-soft: #d9f7ff;
  --accent-dark: #1489ad;
  --pink-soft: #ffe3ee;
  --pink: #f5a8c8;
  --warm: #f6ce3f;
  --shadow: 0 18px 46px rgba(90, 128, 120, 0.1);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(255, 248, 216, 0.95) 0%, rgba(255, 244, 177, 0.76) 38%, rgba(255, 227, 238, 0.62) 68%, rgba(217, 247, 255, 0.72) 100%),
    var(--bg);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.7;
}

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 64px);
  color: #ffffff;
  transition: background 0.25s ease, box-shadow 0.25s ease, color 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-open {
  color: var(--ink);
  background: rgba(255, 250, 223, 0.9);
  box-shadow: 0 10px 28px rgba(90, 128, 120, 0.09);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  width: clamp(58px, 6.5vw, 76px);
  aspect-ratio: 1;
  height: auto;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  object-fit: cover;
  filter: drop-shadow(0 8px 18px rgba(70, 191, 227, 0.18));
}

.brand-name {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  font-size: 0.95rem;
  font-weight: 700;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  content: "";
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  isolation: isolate;
}

.hero-image {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(38, 50, 56, 0.22) 0%, rgba(38, 50, 56, 0.08) 42%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(135deg, rgba(255, 238, 126, 0.08), rgba(245, 168, 200, 0.06), rgba(70, 191, 227, 0.08));
}

.hero-content {
  width: min(720px, calc(100% - 40px));
  padding: 0;
  margin-left: clamp(20px, 6vw, 80px);
  margin-top: clamp(128px, 20vh, 190px);
  margin-bottom: 56px;
  color: #ffffff;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--warm);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1,
.section h2,
.cta h2 {
  margin: 0;
  line-height: 1.18;
  letter-spacing: 0;
}

.hero h1 {
  max-width: 690px;
  font-size: clamp(2.4rem, 6vw, 5.2rem);
  text-shadow:
    0 2px 12px rgba(38, 50, 56, 0.36),
    0 0 2px rgba(38, 50, 56, 0.8);
}

.hero-lead {
  max-width: 640px;
  margin: 22px 0 0;
  padding: 0;
  color: #ffffff;
  text-shadow:
    0 2px 10px rgba(38, 50, 56, 0.38),
    0 0 2px rgba(38, 50, 56, 0.8);
  font-size: clamp(1rem, 2vw, 1.16rem);
  font-weight: 700;
  line-height: 1.9;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 24px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button.primary {
  color: #ffffff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 14px 28px rgba(20, 137, 173, 0.28);
  text-shadow: 0 1px 4px rgba(38, 50, 56, 0.22);
}

.button.primary:hover,
.button.primary:focus-visible {
  background: var(--accent-dark);
}

.button.secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.72);
  background: rgba(255, 255, 255, 0.16);
  text-shadow: 0 1px 4px rgba(38, 50, 56, 0.4);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(620px, 100%);
  margin: 52px 0 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.24);
  backdrop-filter: blur(16px);
}

.hero-stats div {
  padding: 18px;
}

.hero-stats dt,
.hero-stats dd {
  margin: 0;
}

.hero-stats dt {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  text-shadow: 0 1px 6px rgba(38, 50, 56, 0.55);
}

.hero-stats dd {
  font-size: clamp(1rem, 2vw, 1.18rem);
  font-weight: 800;
  text-shadow:
    0 2px 10px rgba(38, 50, 56, 0.5),
    0 0 2px rgba(38, 50, 56, 0.7);
}

.section {
  padding: clamp(70px, 10vw, 126px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.two-column,
.split,
.cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(32px, 7vw, 86px);
  align-items: start;
}

.intro {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(255, 227, 238, 0.48), rgba(217, 247, 255, 0.55));
}

.section h2,
.cta h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
}

.section-heading {
  max-width: 660px;
  margin-bottom: 36px;
}

.muted {
  background: linear-gradient(135deg, var(--surface-soft), var(--pink-soft), var(--accent-soft));
}

.service-grid,
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(255, 227, 238, 0.4), rgba(238, 252, 255, 0.7));
  box-shadow: 0 12px 30px rgba(90, 128, 120, 0.07);
}

.card {
  min-height: 252px;
  padding: 26px;
}

.card-icon {
  display: inline-flex;
  margin-bottom: 32px;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
}

.card h3,
.timeline h3,
.price-card h3 {
  margin: 0 0 10px;
  font-size: 1.24rem;
}

.card p,
.timeline p,
.price-card p,
.cta p,
.intro p {
  margin: 0;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: 18px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.timeline li {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 18px;
  align-items: start;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.timeline span {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 8px;
  color: #ffffff;
  background: var(--accent);
  font-weight: 800;
}

.price-section {
  background: linear-gradient(135deg, #fff2ac 0%, #fff7d5 38%, #ffe3ee 68%, #d9f7ff 100%);
  color: var(--ink);
}

.price-section .section-kicker {
  color: var(--accent-dark);
}

.price-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.price-card {
  padding: 30px;
  color: var(--ink);
}

.price-card.featured {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  transform: translateY(-12px);
}

.plan-name {
  color: var(--accent);
  font-weight: 800;
}

.price-card h3 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
}

.price-card ul {
  display: grid;
  gap: 10px;
  padding: 20px 0 0;
  margin: 24px 0 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  list-style: none;
}

.price-card li::before {
  margin-right: 8px;
  color: var(--accent);
  content: "✓";
  font-weight: 800;
}

.cta {
  padding: clamp(70px, 10vw, 120px) 0;
  background: var(--surface);
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(145deg, #fff7c9, #ffe3ee, #e7faff);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: var(--ink);
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

.contact-form textarea {
  resize: vertical;
}

.form-note {
  min-height: 24px;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 64px);
  color: var(--ink);
  background: linear-gradient(90deg, #f6ce3f, #ffe3ee, #bdefff);
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .site-nav {
    position: absolute;
    top: 72px;
    right: 20px;
    left: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.97);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 14px;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    min-height: auto;
  }

  .hero-content {
    width: min(680px, calc(100% - 40px));
    padding: 0;
    margin: 0 auto;
    margin-top: 110px;
    margin-bottom: 40px;
  }

  .hero-overlay {
    background: linear-gradient(135deg, rgba(38, 50, 56, 0.24), rgba(245, 168, 200, 0.08), rgba(70, 191, 227, 0.12));
  }

  .two-column,
  .split,
  .cta-inner {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
    padding-inline: 16px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .hero-content {
    width: calc(100% - 32px);
    padding: 0;
    margin-top: 96px;
    margin-bottom: 32px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-stats,
  .service-grid,
  .price-grid {
    grid-template-columns: 1fr;
  }

  .hero-stats div {
    padding: 14px 16px;
  }

  .section-inner {
    width: calc(100% - 32px);
  }

  .card {
    min-height: auto;
  }
}
