:root {
  --bg: #f7fafc;
  --surface: #ffffff;
  --soft: #edf4f8;
  --soft-2: #f1f5f8;
  --text: #102f4f;
  --muted: #5d6d7c;
  --line: #d8e4eb;
  --accent: #0b5b93;
  --accent-dark: #00528c;
  --green: #5f8c95;
  --shadow: 0 18px 50px rgba(10, 47, 79, 0.12);
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  letter-spacing: 0;
}

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

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(216, 228, 235, 0.9);
  transition: box-shadow 220ms ease, background-color 220ms ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  min-width: max-content;
}

.brand-logo {
  width: 76px;
  height: auto;
  max-height: 54px;
  object-fit: contain;
}

.brand-text strong,
.brand-text small {
  display: block;
  line-height: 1.35;
}

.brand-text strong {
  color: var(--text);
}

.brand-text small {
  color: var(--muted);
  font-size: 12px;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: 18px;
  font-size: 13px;
  color: var(--muted);
}

.site-nav a,
.footer-links a {
  text-decoration: none;
}

.site-nav a[aria-current="page"] {
  color: var(--accent-dark);
  font-weight: 700;
}

.header-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--accent-dark);
  color: #fff;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.header-cta:hover,
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(0, 82, 140, 0.16);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px clamp(18px, 6vw, 76px) 0;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a {
  color: var(--accent-dark);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  padding: clamp(30px, 4vw, 48px) clamp(18px, 6vw, 76px) clamp(28px, 3.4vw, 42px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-weight: 700;
  font-size: 13px;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 3.6vw, 46px);
  line-height: 1.22;
  font-weight: 700;
}

h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 40px);
  line-height: 1.35;
}

h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
}

.lead {
  margin: 22px 0 0;
  max-width: 720px;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 20px);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-weight: 700;
  line-height: 1.35;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.btn.primary {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  box-shadow: 0 14px 28px rgba(0, 82, 140, 0.18);
}

.btn.secondary {
  background: var(--surface);
  color: var(--accent-dark);
}

.btn.secondary:hover {
  border-color: rgba(0, 82, 140, 0.34);
  background: #f8fbfd;
}

.btn.light {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
}

.fact-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.fact-list li {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.hero-media {
  margin: 0;
  position: relative;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 4 / 5;
  max-height: 470px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: var(--shadow);
  transform-origin: center;
  animation: heroDrift 16s ease-in-out infinite alternate;
}

.hero-media::before {
  content: "";
  position: absolute;
  inset: auto auto -22px -22px;
  width: 42%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: #d9eaf3;
  z-index: -1;
}

figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  max-width: min(310px, calc(100% - 36px));
  padding: 12px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.section {
  padding: clamp(48px, 7vw, 92px) clamp(18px, 6vw, 76px);
}

.section-head {
  max-width: 780px;
  margin-bottom: 28px;
}

.section-head p:not(.eyebrow),
.rich-text,
.caution p,
.prostate-note p,
.summary-section p,
.final-cta p {
  color: var(--muted);
  font-size: 16px;
}

.soft-band {
  background: var(--soft);
}

.knowledge-section {
  padding-top: clamp(34px, 5vw, 64px);
  background: #fff;
}

.definition-card {
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid #c9dce8;
  border-radius: 8px;
  background: #f8fbfd;
  box-shadow: 0 14px 36px rgba(10, 47, 79, 0.08);
}

.definition-card p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.knowledge-grid,
.related-links {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.knowledge-grid article,
.related-links a {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.knowledge-grid ul {
  margin: 12px 0 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.knowledge-grid p {
  margin: 12px 0 0;
  color: var(--muted);
}

.related-section {
  background: #f8fbfd;
}

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

.related-links a {
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.related-links a:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 82, 140, 0.26);
  box-shadow: 0 14px 30px rgba(10, 47, 79, 0.08);
}

.two-column,
.prostate-note {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 5vw, 64px);
}

.rich-text p {
  margin-top: 0;
}

.note {
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  border-radius: 8px;
}

.problem-grid,
.trust-grid,
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.problem-item,
.trust-grid div,
.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.problem-item:hover,
.trust-grid div:hover,
.price-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 82, 140, 0.26);
  box-shadow: 0 16px 34px rgba(10, 47, 79, 0.1);
}

.problem-item::before,
.trust-grid div::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 9px;
  border-radius: 50%;
  background: var(--accent);
  vertical-align: middle;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.price-table {
  min-width: 560px;
}

.price-table-wrap {
  margin-bottom: 20px;
}

th,
td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef6fa;
  color: var(--accent-dark);
  font-size: 14px;
}

tr:last-child td {
  border-bottom: 0;
}

.price-band {
  background: #eef5f8;
}

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

.price-card {
  padding: clamp(22px, 3vw, 34px);
  box-shadow: var(--shadow);
}

.price {
  margin: 4px 0 14px;
  color: var(--accent-dark);
}

.price-label {
  display: inline-flex;
  margin: 18px 0 0;
  padding: 5px 10px;
  border-radius: 999px;
  background: #e3f0f7;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
}

.price span {
  display: block;
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 700;
  line-height: 1.1;
}

.price small {
  color: var(--muted);
}

.single-price {
  margin: 0 0 16px;
  padding: 14px 16px;
  border-radius: 8px;
  background: var(--soft-2);
  border: 1px solid var(--line);
}

.single-price div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 0;
}

.single-price div + div {
  border-top: 1px solid var(--line);
}

.single-price dt,
.single-price dd {
  margin: 0;
}

.single-price dt {
  color: var(--muted);
  font-size: 14px;
}

.single-price dd {
  color: var(--text);
  font-size: 22px;
  font-weight: 700;
}

.single-price small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 400;
}

.price-note,
.price-note-box {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.price-note-box {
  padding: 18px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
}

.price-note-box p {
  margin: 0;
}

.price-note-box p + p {
  margin-top: 6px;
}

.daily-value {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 5vw, 64px);
  background: #f8fbfd;
}

.flow-note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 132px;
  padding: 16px;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--line);
  font-weight: 700;
  transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.flow-list li:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 82, 140, 0.24);
  box-shadow: 0 14px 30px rgba(10, 47, 79, 0.08);
}

.flow-list span {
  display: block;
  margin-bottom: 10px;
  color: var(--accent);
  font-size: 13px;
}

.center-actions {
  display: flex;
  justify-content: center;
  margin-top: 26px;
}

.caution {
  margin: clamp(32px, 5vw, 56px) clamp(18px, 6vw, 76px);
  padding: clamp(24px, 4vw, 42px);
  border-radius: 8px;
  background: #fff;
  border: 1px solid #c9dce8;
}

.caution h2 {
  font-size: clamp(22px, 2.5vw, 32px);
}

.prostate-note {
  background: #eef6f7;
}

.assurance-section {
  background: #f8fbfd;
}

.summary-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.78fr) minmax(0, 1.22fr);
  gap: clamp(24px, 5vw, 64px);
  background: #fff;
}

.faq-list {
  display: grid;
  gap: 12px;
}

details {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 18px;
  transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

details:hover,
details.is-open {
  border-color: rgba(0, 82, 140, 0.28);
  box-shadow: 0 12px 26px rgba(10, 47, 79, 0.07);
}

summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 700;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  color: var(--accent-dark);
  font-size: 22px;
  line-height: 1;
  transition: transform 180ms ease;
}

details.is-open summary::after {
  transform: rotate(45deg);
}

details p {
  margin: 0;
  padding: 0 0 18px;
  color: var(--muted);
}

.has-motion .reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 640ms ease, transform 640ms ease;
  transition-delay: var(--reveal-delay, 0ms);
}

.has-motion .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes heroDrift {
  from {
    transform: scale(1);
  }

  to {
    transform: scale(1.035);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.001ms !important;
  }

  .has-motion .reveal {
    opacity: 1;
    transform: none;
  }
}

.final-cta {
  margin: clamp(44px, 7vw, 86px) clamp(18px, 6vw, 76px);
  padding: clamp(34px, 7vw, 72px);
  border-radius: 8px;
  background: linear-gradient(135deg, #00528c, #0f6d9c);
  color: #fff;
}

.final-cta .eyebrow,
.final-cta p {
  color: rgba(255, 255, 255, 0.86);
}

.final-cta p {
  max-width: 760px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px clamp(18px, 6vw, 76px);
  background: #072f50;
  color: #fff;
}

.site-footer p {
  margin: 8px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.site-footer a {
  color: #fff;
}

.footer-medical {
  max-width: 760px;
  font-size: 13px;
}

.footer-brand-link {
  color: #fff;
  text-decoration: none;
}

.footer-brand-link:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  justify-content: flex-end;
  gap: 16px;
  color: rgba(255, 255, 255, 0.82);
}

@media (max-width: 1080px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-media {
    max-width: 680px;
  }

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

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

@media (max-width: 760px) {
  .site-header {
    padding: 12px 16px;
    gap: 12px;
  }

  .header-cta {
    padding: 9px 12px;
    font-size: 12px;
  }

  .brand-logo {
    width: 54px;
    max-height: 42px;
  }

  .brand {
    gap: 8px;
  }

  .brand-text strong {
    font-size: 14px;
  }

  .brand-text small {
    font-size: 11px;
  }

  .hero {
    padding: 34px 16px 46px;
  }

  .hero-actions,
  .center-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .hero-media img {
    aspect-ratio: 4 / 3;
    border-radius: 18px;
  }

  figcaption {
    position: static;
    margin-top: 10px;
    max-width: none;
  }

  .section {
    padding: 46px 16px;
  }

  .two-column,
  .prostate-note,
  .daily-value,
  .summary-section,
  .problem-grid,
  .trust-grid,
  .price-grid,
  .flow-list,
  .knowledge-grid,
  .related-links {
    grid-template-columns: 1fr;
  }

  .flow-list li {
    min-height: auto;
  }

  .caution,
  .final-cta {
    margin-left: 16px;
    margin-right: 16px;
    padding: 24px 18px;
  }

  .site-footer {
    display: grid;
    padding: 28px 16px;
  }

  .footer-links {
    justify-content: flex-start;
  }
}