:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-soft: #eef5f3;
  --text: #17212b;
  --muted: #657482;
  --line: rgba(23, 33, 43, 0.1);
  --primary: #0f8f7f;
  --primary-dark: #086a61;
  --accent: #2f7df6;
  --warning: #f0a529;
  --shadow: 0 22px 56px rgba(28, 53, 70, 0.14);
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 0%, rgba(47, 125, 246, 0.14), transparent 28%),
    radial-gradient(circle at 88% 10%, rgba(15, 143, 127, 0.18), transparent 30%),
    linear-gradient(180deg, #fbfcfe 0%, var(--bg) 100%);
  line-height: 1.7;
}

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

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

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 820px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 252, 254, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px);
}

.nav,
.nav-links,
.hero-grid,
.cta-row,
.info-row,
.footer-row {
  display: flex;
  align-items: center;
}

.nav {
  min-height: 74px;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  font-size: 1.1rem;
  font-weight: 800;
}

.nav-links {
  gap: 20px;
  color: var(--muted);
  font-size: 0.94rem;
}

.nav-links a:hover,
.footer-links a:hover {
  color: var(--primary);
}

.hero {
  padding: 66px 0 46px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
}

.eyebrow,
.policy-date {
  margin: 0;
  color: var(--primary-dark);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-top: 12px;
  font-size: clamp(2.55rem, 5vw, 4.8rem);
  line-height: 1.02;
}

h2 {
  font-size: clamp(1.75rem, 3.4vw, 3rem);
  line-height: 1.14;
}

h3 {
  font-size: 1.2rem;
  line-height: 1.35;
}

.lead {
  margin-top: 20px;
  color: var(--muted);
  font-size: 1.05rem;
}

.en-block,
.en-inline,
.policy-card p {
  color: var(--muted);
}

.en-block {
  display: block;
  margin-top: 8px;
}

.en-inline {
  display: block;
  margin-top: 6px;
  font-size: 0.72em;
  font-weight: 700;
}

.cta-row {
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
}

.button.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 16px 32px rgba(15, 143, 127, 0.24);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
}

.quick-points {
  display: grid;
  gap: 10px;
  padding: 0;
  margin-top: 24px;
  list-style: none;
}

.quick-points li,
.policy-list li {
  position: relative;
  padding-left: 18px;
}

.quick-points li::before,
.policy-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 8px;
  height: 8px;
  content: "";
  background: linear-gradient(135deg, var(--primary), var(--warning));
  border-radius: 50%;
}

.phone-stage {
  position: relative;
  min-height: 650px;
}

.phone {
  position: absolute;
  width: 52%;
  padding: 12px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 40px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.phone img {
  border-radius: 28px;
}

.phone.back {
  left: 0;
  bottom: 70px;
  transform: rotate(-7deg);
}

.phone.front {
  right: 10px;
  top: 0;
  transform: rotate(6deg);
}

.section {
  padding: 70px 0;
}

.section.alt {
  background: linear-gradient(180deg, rgba(238, 245, 243, 0.8), rgba(255, 255, 255, 0.36));
}

.section-heading {
  max-width: 740px;
  margin-bottom: 28px;
}

.section-copy {
  margin-top: 14px;
  color: var(--muted);
}

.feature-grid,
.gallery {
  display: grid;
  gap: 18px;
}

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

.feature-card,
.shot-card,
.policy-card,
.info-row {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.feature-card {
  padding: 24px;
  border-radius: 22px;
}

.feature-card p {
  margin-top: 10px;
  color: var(--muted);
}

.gallery {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.shot-card {
  padding: 12px;
  border-radius: 28px;
}

.shot-card img {
  width: 100%;
  aspect-ratio: 1320 / 2868;
  object-fit: cover;
  background: #e1e9ee;
  border-radius: 20px;
}

.shot-card figcaption {
  padding: 12px 6px 4px;
  font-size: 0.94rem;
  font-weight: 700;
}

.info-row {
  justify-content: space-between;
  gap: 24px;
  padding: 32px;
  border-radius: 28px;
}

.contact-line {
  margin-top: 14px;
  font-weight: 800;
}

.contact-line a {
  color: var(--primary-dark);
}

.policy-main {
  padding-bottom: 28px;
}

.policy-hero {
  padding: 70px 0 24px;
}

.policy-date {
  margin-top: 22px;
}

.policy-card {
  padding: 34px;
  border-radius: 28px;
}

.policy-card h2 {
  margin-top: 28px;
  font-size: 1.4rem;
}

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

.policy-card p {
  margin-top: 10px;
}

.policy-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin-top: 12px;
  list-style: none;
  color: var(--muted);
}

.site-footer {
  padding: 28px 0 38px;
}

.footer-row {
  justify-content: space-between;
  gap: 18px;
  padding-top: 24px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.footer-links {
  display: flex;
  gap: 18px;
}

@media (max-width: 980px) {
  .hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

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

  .phone-stage {
    min-height: 580px;
  }
}

@media (max-width: 720px) {
  .nav {
    min-height: auto;
    padding: 16px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 12px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-grid,
  .gallery {
    grid-template-columns: 1fr;
  }

  .phone-stage {
    min-height: 520px;
  }

  .phone {
    width: 62%;
  }

  .section,
  .policy-hero {
    padding: 52px 0;
  }

  .info-row,
  .footer-row {
    align-items: flex-start;
    flex-direction: column;
  }
}