:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --surface-soft: #f5f0e7;
  --text: #201a16;
  --muted: #6a6159;
  --line: #e7dfd3;
  --accent: #8e6840;
  --accent-deep: #735230;
  --shadow: 0 18px 50px rgba(56, 42, 26, 0.08);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  font-family: "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  line-height: 1.75;
  background:
    radial-gradient(circle at top right, rgba(215, 198, 168, 0.20), transparent 28%),
    linear-gradient(180deg, #fbfaf7 0%, #f7f4ee 100%);
  overflow-x: hidden;
  word-break: break-word;
}

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

a:hover {
  text-decoration: none;
}

img,
iframe {
  display: block;
  max-width: 100%;
  border: 0;
}

.page {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
  padding: 20px 0 72px;
}

.top-strip {
  margin-bottom: 18px;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.92rem;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumbs li:not(:last-child)::after {
  content: ">";
  color: #a3927b;
}

.breadcrumbs a {
  color: var(--muted);
}

.hero,
.section {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(231, 223, 211, 0.95);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
}

.hero {
  padding: 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: var(--surface-soft);
  color: var(--accent-deep);
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  margin: 14px 0 12px;
  font-size: clamp(1.9rem, 4.8vw, 3.2rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.lead {
  margin: 0;
  color: #433a33;
  font-size: 1rem;
}

.hero-layout {
  display: grid;
  gap: 20px;
}

.video-shell {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: 22px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.14);
}

.video-shell iframe {
  width: 100%;
  height: 100%;
}

.meta-row {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.meta-chip {
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 0.93rem;
}

.section {
  margin-top: 22px;
  padding: 22px 16px;
}

.section h2 {
  margin: 0 0 14px;
  font-size: 1.26rem;
  line-height: 1.4;
}

.section-intro {
  margin: 0 0 16px;
  color: #4a4037;
}

.card-grid,
.button-grid,
.trust-grid,
.related-grid {
  display: grid;
  gap: 14px;
}

.info-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.info-list li {
  position: relative;
  padding: 14px 14px 14px 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 15px;
  color: #443a32;
}

.check-list li::before,
.dot-list li::before {
  content: "";
  position: absolute;
  left: 18px;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--accent);
}

.check-list li::before {
  top: 21px;
}

.dot-list li::before {
  top: 21px;
}

.card,
.trust-card,
.link-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  min-width: 0;
}

.card,
.trust-card {
  padding: 16px;
}

.card h3,
.trust-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
  line-height: 1.45;
}

.card p,
.trust-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.product-card {
  display: grid;
  gap: 14px;
  align-items: center;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  object-position: center;
  border-radius: 16px;
  background: var(--surface-soft);
  padding: 12px;
}

.link-card {
  display: block;
  padding: 16px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: #cfb999;
  box-shadow: 0 12px 28px rgba(67, 48, 23, 0.08);
}

.link-card strong {
  display: block;
  margin-bottom: 0;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
}

.cta {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  min-height: 52px;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: 700;
  text-align: center;
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
}

.cta:hover {
  transform: translateY(-1px);
}

.cta-primary {
  background: var(--accent);
  color: #fff;
}

.cta-primary:hover {
  background: var(--accent-deep);
}

.cta-secondary {
  background: #fff;
  color: var(--text);
  border: 1px solid var(--line);
}

.otto-mobile-recent-posts {
  margin: 30px 0;
  padding: 20px;
  background: #fff;
  border: 1px solid #eee;
  border-radius: 12px;
}

.otto-recommend-heading {
  margin: 0 0 14px;
  font-size: 1.08rem;
  line-height: 1.4;
}

.otto-recent-grid {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.recent-post-card {
  display: flex;
  align-items: center;
  color: #333;
  gap: 15px;
  border-bottom: 1px solid #f2f2f2;
  padding-bottom: 10px;
}

.recent-post-card img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border-radius: 8px;
  flex-shrink: 0;
}

.recent-post-card h4 {
  font-size: 14px;
  margin: 0 0 5px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-date {
  font-size: 11px;
  color: #999;
}

.otto-recommend-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 46px;
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 700;
}

@media screen and (min-width: 769px) {
  .otto-mobile-recent-posts {
    display: none;
  }
}

@media (min-width: 768px) {
  .page {
    width: min(calc(100% - 48px), var(--container));
    padding-top: 28px;
  }

  .hero,
  .section {
    padding: 28px;
  }

  .meta-row,
  .button-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .product-card {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .hero {
    padding: 34px;
  }

  .hero-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 28px;
    align-items: start;
  }
}