:root {
  --ink: #10212f;
  --muted: #667684;
  --line: #dfe5e9;
  --paper: #f7f4ed;
  --surface: #ffffff;
  --navy: #132b3c;
  --navy-2: #0c1b27;
  --gold: #c7a047;
  --gold-2: #f2d77f;
  --aqua: #6fb8b0;
  --rose: #c97064;
  --shadow: 0 20px 60px rgba(16, 33, 47, 0.12);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(247, 244, 237, 0.92);
  border-bottom: 1px solid rgba(19, 43, 60, 0.12);
  backdrop-filter: blur(14px);
}

.nav {
  max-width: var(--max);
  margin: 0 auto;
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(16, 33, 47, 0.18);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-links a {
  padding: 9px 13px;
  border-radius: 999px;
  color: #2d4353;
  text-decoration: none;
  font-size: 0.94rem;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  background: #fff;
  color: var(--navy);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  width: 44px;
  height: 40px;
  font-size: 1.35rem;
  line-height: 1;
}

.section {
  padding: 82px 22px;
}

.section.compact {
  padding-top: 54px;
}

.inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 78px);
  padding: 58px 22px 44px;
  display: grid;
  align-items: center;
  background:
    linear-gradient(120deg, rgba(19, 43, 60, 0.94) 0%, rgba(19, 43, 60, 0.88) 46%, rgba(19, 43, 60, 0.14) 100%),
    var(--hero-image);
  background-size: cover;
  background-position: center;
  color: #fff;
}

.hero-grid {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 40px;
  align-items: end;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold-2);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: 0;
}

h1 {
  max-width: 820px;
  font-size: clamp(2.4rem, 7vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.35rem);
}

h3 {
  font-size: 1.2rem;
}

.lead {
  max-width: 720px;
  margin: 22px 0 0;
  font-size: clamp(1.02rem, 2vw, 1.24rem);
  color: rgba(255, 255, 255, 0.86);
}

.page-lead {
  max-width: 760px;
  margin: 18px 0 0;
  color: #536574;
  font-size: 1.08rem;
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}

.btn.primary {
  background: var(--gold);
  color: #13202b;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.34);
}

.btn.dark {
  background: var(--navy);
  color: #fff;
}

.metric-panel {
  background: rgba(255, 255, 255, 0.94);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
}

.metric-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.metric-row:last-child {
  border-bottom: 0;
}

.metric-row strong {
  font-size: 1.35rem;
  color: var(--navy);
}

.bar {
  height: 9px;
  margin-top: 10px;
  border-radius: 999px;
  background: #e8edf0;
  overflow: hidden;
}

.bar span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--gold), var(--aqua));
}

.split {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 48px;
  align-items: center;
}

.visual-frame {
  overflow: hidden;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: var(--surface);
}

.visual-frame img {
  width: 100%;
  min-height: 360px;
  object-fit: cover;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 10px 32px rgba(16, 33, 47, 0.06);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.feature {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
}

.icon {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  background: #eef5f4;
  color: var(--navy);
  font-weight: 900;
}

.band {
  background: var(--navy);
  color: #fff;
}

.band .page-lead,
.band p {
  color: rgba(255, 255, 255, 0.78);
}

.two-col {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-top: 30px;
}

.list {
  padding-left: 1.1rem;
  margin: 18px 0 0;
  color: #536574;
}

.list li {
  margin: 8px 0;
}

.band .list {
  color: rgba(255, 255, 255, 0.78);
}

.page-hero {
  padding: 74px 22px 56px;
  background: linear-gradient(135deg, #fff 0%, #f1eadb 100%);
  border-bottom: 1px solid rgba(19, 43, 60, 0.1);
}

.page-hero.dark {
  background: var(--navy);
  color: #fff;
}

.page-hero.dark .page-lead {
  color: rgba(255, 255, 255, 0.78);
}

.legal {
  max-width: 880px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px;
}

.legal h2 {
  margin-top: 34px;
  font-size: 1.55rem;
}

.legal h2:first-child {
  margin-top: 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 28px;
  align-items: start;
}

form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  font: inherit;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 140px;
  resize: vertical;
}

.download-card {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 36px;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.store-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  background: #fafafa;
}

.site-footer {
  padding: 40px 22px;
  background: var(--navy-2);
  color: rgba(255, 255, 255, 0.72);
}

.footer-grid {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 22px;
  flex-wrap: wrap;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.82);
  text-decoration: none;
}

.fade-in {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.h5-body {
  background: #fff;
}

.h5-wrap {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 22px 18px 46px;
}

.h5-logo {
  width: 50px;
  height: 50px;
  border-radius: 10px;
  object-fit: cover;
  margin-bottom: 18px;
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-grid;
    place-items: center;
  }

  .nav-links {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 76px;
    display: none;
    padding: 10px;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    border-radius: 8px;
  }

  .hero-grid,
  .split,
  .grid,
  .two-col,
  .contact-grid,
  .download-card {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 74px;
  }

  .metric-panel {
    max-width: 520px;
  }

  .section {
    padding: 58px 18px;
  }

  .page-hero {
    padding: 54px 18px 42px;
  }

  .legal {
    padding: 22px;
  }
}

@media (max-width: 520px) {
  .brand span {
    font-size: 0.96rem;
  }

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

  .btn {
    width: 100%;
  }

  .metric-row {
    display: block;
  }
}