:root {
  --ink: #1a1f17;
  --ink-soft: #5c6356;
  --champagne: #d4c98a;
  --rose: #8b7a2b;
  --blush: #fafbf5;
  --mist: #f0f3e8;
  --line: rgba(26, 31, 23, 0.08);
  --card: rgba(255, 255, 255, 0.76);
  --card-strong: rgba(255, 255, 255, 0.88);
  --shadow: 0 30px 80px rgba(26, 31, 23, 0.14);
  --shadow-soft: 0 18px 40px rgba(26, 31, 23, 0.1);
  --max: 1220px;
  --font-body: "Noto Sans JP", sans-serif;
  --font-display: "Cormorant Garamond", serif;
  --green-deep: #1b4332;
  --green-mid: #2d6a4f;
  --green-light: #40916c;
  --gold: #b8860b;
  --gold-light: #d4a017;
  --gold-pale: #f5e6b8;
}

html {
  scroll-behavior: smooth;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  padding-bottom: 118px;
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  background:
    radial-gradient(circle at 0% 8%, rgba(27, 67, 50, 0.1), transparent 30%),
    radial-gradient(circle at 100% 10%, rgba(212, 193, 138, 0.22), transparent 34%),
    linear-gradient(180deg, #fafbf5 0%, #eef2e4 52%, #f7f8f3 100%);
}

body.lang-th {
  font-family: "Noto Sans Thai", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.3;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.62) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.62) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.64), transparent 72%);
}

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

button,
input,
textarea,
select {
  font: inherit;
}

.sample-ribbon {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 10px 16px;
  background: linear-gradient(90deg, var(--green-deep), var(--gold));
  color: #fff;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.site-shell {
  padding-top: 40px;
}

.topbar {
  position: sticky;
  top: 38px;
  z-index: 999;
  transition: all 0.35s ease;
}

body.scrolled .topbar {
  top: 10px;
}

.nav-shell {
  max-width: calc(var(--max) + 52px);
  margin: 18px auto 0;
  padding: 0 26px;
}

.nav {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 26px;
  background: rgba(250, 251, 245, 0.72);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

body.scrolled .nav {
  box-shadow: 0 24px 48px rgba(26, 31, 23, 0.12);
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.nav-panel {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 0;
  border: 1px solid rgba(26, 31, 23, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 0 10px 24px rgba(26, 31, 23, 0.1);
  cursor: pointer;
}

.nav-toggle-icon {
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
  transition: color 0.25s ease, transform 0.25s ease;
}

.brand-mark {
  width: 48px;
  height: 48px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color: var(--gold-light);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.04em;
  box-shadow: 0 16px 32px rgba(27, 67, 50, 0.24);
}

.brand-copy strong,
.brand-copy span {
  display: block;
}

.brand-copy strong {
  font-size: 15px;
}

.brand-copy span {
  color: var(--ink-soft);
  font-size: 12px;
}

.nav-links,
.nav-tools {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
}

.lang-picker {
  display: flex;
  align-items: center;
  gap: 10px;
}

.lang-caption {
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.lang-switcher {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid rgba(26, 31, 23, 0.08);
  border-radius: 999px;
  background: rgba(26, 31, 23, 0.06);
}

.lang-switcher a {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-soft);
}

.lang-switcher a.active {
  background: var(--green-deep);
  color: #fff;
  box-shadow: 0 8px 18px rgba(27, 67, 50, 0.14);
}

.nav-links {
  justify-content: center;
  color: var(--ink-soft);
  font-size: 13px;
  white-space: nowrap;
}

.nav-links a {
  position: relative;
  padding: 8px 0;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: linear-gradient(90deg, var(--green-mid), transparent);
  transition: transform 0.25s ease;
}

.nav-links a:hover::after {
  transform: scaleX(1);
}

.nav-cta,
.btn,
.sticky-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.nav-cta {
  padding: 12px 18px;
  border-radius: 999px;
  background: var(--green-deep);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 12px 28px rgba(27, 67, 50, 0.18);
}

.nav-cta:hover,
.btn:hover,
.sticky-btn:hover {
  transform: translateY(-2px);
}

.hero {
  padding: 78px 26px 48px;
}

.hero-grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  gap: 32px;
  align-items: center;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(27, 67, 50, 0.15);
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-copy h1,
.section-heading h2,
.cta-panel h2 {
  margin: 18px 0 0;
  font-family: var(--font-display);
  line-height: 0.94;
  letter-spacing: -0.04em;
}

.hero-copy h1 {
  font-size: clamp(3.2rem, 6vw, 5.2rem);
}

body.lang-ja .hero-copy h1,
body.lang-th .hero-copy h1 {
  font-family: var(--font-body);
  font-size: clamp(2.8rem, 5.4vw, 4.7rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.hero-copy h1 .accent {
  color: var(--green-mid);
}

.hero-copy .lead {
  max-width: 660px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.95;
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.btn {
  padding: 16px 22px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 800;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color: #fff;
  box-shadow: 0 20px 36px rgba(27, 67, 50, 0.24);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.76);
  border-color: var(--line);
  color: var(--ink);
  box-shadow: var(--shadow-soft);
}

.hero-proof,
.cred-grid,
.quote-grid,
.faq-list {
  display: grid;
  gap: 16px;
}

.hero-proof {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 30px;
}

.proof-card,
.cred-card,
.procedure-card,
.feature-card,
.quote-card,
.faq-item,
.contact-card,
.stay-copy,
.hero-note,
.journey-card,
.gallery-card {
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.proof-card {
  padding: 16px 18px;
}

.proof-card strong,
.cred-card strong,
.feature-card h3,
.quote-card strong,
.journey-card h3,
.contact-card h3 {
  display: block;
}

.proof-card strong {
  font-size: 15px;
}

.proof-card span,
.cred-card span,
.journey-step p,
.quote-card p,
.faq-answer,
.stay-copy p,
.feature-card p,
.contact-card p,
.caption,
.footer {
  color: var(--ink-soft);
}

.proof-card span,
.cred-card span,
.feature-card p,
.quote-card p,
.faq-answer,
.stay-copy p,
.contact-card p {
  font-size: 13px;
  line-height: 1.8;
}

.hero-visual {
  position: relative;
  min-height: 720px;
}

.hero-frame {
  position: absolute;
  overflow: hidden;
  border-radius: 34px;
  border: 1px solid rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow);
}

.hero-frame img,
.gallery-image img,
.stay-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.hero-portrait {
  top: 0;
  right: 0;
  width: 54%;
  height: 680px;
}

.hero-consultation {
  left: 0;
  bottom: 40px;
  width: 60%;
  height: 280px;
}

.hero-note {
  position: absolute;
  z-index: 3;
  width: 270px;
  padding: 18px;
}

.hero-note.top {
  top: 24px;
  left: 0;
}

.hero-note.bottom {
  right: 24px;
  bottom: 0;
}

.hero-note small {
  display: block;
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.hero-note strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
}

.hero-note p {
  margin: 8px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}

.credibility {
  max-width: var(--max);
  margin: 0 auto;
  padding: 8px 26px 0;
}

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

.cred-card {
  padding: 16px 18px;
}

.cred-card strong {
  margin-bottom: 4px;
  font-size: 14px;
}

.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: 98px 26px;
}

.section-heading {
  max-width: 760px;
}

.section-heading h2 {
  font-size: clamp(2.4rem, 5vw, 4.1rem);
}

body.lang-ja .section-heading h2,
body.lang-th .section-heading h2,
body.lang-ja .cta-panel h2,
body.lang-th .cta-panel h2 {
  font-family: var(--font-body);
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

.section-heading p {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.95;
}

.procedure-grid,
.feature-grid {
  margin-top: 34px;
  display: grid;
  gap: 20px;
}

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

.procedure-card {
  position: relative;
  padding: 28px;
  overflow: hidden;
}

.procedure-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, var(--green-deep), var(--gold-light));
}

.procedure-card small,
.journey-step small,
.quote-card small {
  display: inline-flex;
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.procedure-card h3,
.feature-card h3 {
  margin: 18px 0 0;
  font-size: 22px;
  line-height: 1.35;
}

.stay-copy h3,
.contact-card h3 {
  margin: 18px 0 0;
  font-size: 28px;
  line-height: 1.28;
}

.procedure-card p {
  margin: 12px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.price-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.price-main {
  color: var(--green-deep);
  font-size: 28px;
  font-weight: 900;
}

.price-sub {
  color: var(--ink-soft);
  font-size: 12px;
}

.doctor-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.doctor-card {
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
}

.doctor-info {
  padding: 28px;
}

.doctor-info h3 {
  margin: 0 0 4px;
  font-size: 22px;
  line-height: 1.35;
}

.doctor-info small {
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 700;
}

.doctor-info p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.85;
}

.doctor-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.doctor-tags span {
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(27, 67, 50, 0.08);
  color: var(--green-deep);
  font-size: 12px;
  font-weight: 700;
}

.journey-grid,
.stay-grid,
.contact-grid {
  margin-top: 38px;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: start;
}

.journey-card,
.stay-copy,
.contact-card {
  padding: 30px;
}

.journey-stack {
  display: grid;
  gap: 16px;
}

.journey-step {
  padding: 18px 18px 18px 74px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.6);
  position: relative;
}

.journey-step::before {
  content: attr(data-step);
  position: absolute;
  left: 18px;
  top: 18px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid));
  color: var(--gold-light);
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
}

.journey-step h3 {
  margin: 6px 0 0;
  font-size: 18px;
  line-height: 1.4;
}

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

.gallery-card {
  overflow: hidden;
}

.gallery-image {
  aspect-ratio: 16 / 10;
}

.gallery-caption {
  padding: 18px 20px;
}

.gallery-caption strong {
  display: block;
  font-size: 16px;
}

.gallery-caption span,
.caption {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.8;
}

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

.feature-card {
  padding: 28px;
}

.feature-card ul {
  margin: 16px 0 0;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.85;
}

.branch-grid {
  margin-top: 34px;
  display: grid;
  gap: 20px;
}

.branch-card {
  border: 1px solid rgba(255, 255, 255, 0.76);
  border-radius: 28px;
  background: var(--card);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(18px);
  padding: 28px;
}

.branch-badge {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(27, 67, 50, 0.08);
  color: var(--green-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.branch-card h3 {
  margin: 14px 0 0;
  font-size: 22px;
}

.branch-card p {
  margin: 10px 0 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
}

.branch-access {
  margin-top: 12px;
}

.branch-access span {
  color: var(--green-deep);
  font-size: 13px;
  font-weight: 700;
}

.branch-contact {
  margin-top: 12px;
}

.branch-contact a {
  color: var(--green-deep);
  font-size: 18px;
  font-weight: 900;
}

.stay-media {
  overflow: hidden;
  min-height: 100%;
  border-radius: 30px;
  box-shadow: var(--shadow);
}

.quote-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 34px;
}

.quote-card {
  padding: 28px;
}

.quote-card .stars {
  color: var(--gold);
  letter-spacing: 0.24em;
}

.quote-card p {
  margin: 16px 0 0;
  font-size: 14px;
}

.quote-card strong {
  margin-top: 18px;
  font-size: 13px;
}

.faq-list {
  margin-top: 32px;
}

.faq-item {
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: 22px 58px 22px 24px;
  font-size: 16px;
  font-weight: 800;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 22px;
  top: 18px;
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: rgba(27, 67, 50, 0.1);
  color: var(--green-deep);
  font-size: 20px;
  transition: transform 0.25s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 24px 22px;
}

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

.contact-card {
  min-height: 100%;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  padding: 34px;
  border-radius: 36px;
  background: linear-gradient(135deg, var(--green-deep), var(--green-mid) 66%, var(--green-light));
  color: #fff;
  box-shadow: 0 30px 70px rgba(27, 67, 50, 0.18);
}

.cta-panel::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -40px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 160, 23, 0.22), transparent 72%);
}

.cta-panel h2 {
  font-size: clamp(2.3rem, 5vw, 4rem);
}

.cta-panel p {
  position: relative;
  max-width: 760px;
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.9;
}

.cta-sub {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 20px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
}

.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 24px 26px 138px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  line-height: 1.8;
}

.footer strong {
  display: block;
  color: var(--ink);
}

.sticky-dock {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  z-index: 998;
}

.sticky-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-radius: 26px;
  background: rgba(27, 67, 50, 0.94);
  box-shadow: 0 24px 48px rgba(27, 67, 50, 0.2);
  backdrop-filter: blur(18px);
}

.sticky-copy strong,
.sample-toast strong {
  color: var(--gold-pale);
}

.sticky-copy strong {
  display: block;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.sticky-copy span,
.sample-toast span {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  line-height: 1.7;
}

.sticky-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sticky-btn {
  min-width: 150px;
  padding: 13px 18px;
  border-radius: 18px;
  font-size: 13px;
  font-weight: 800;
}

.sticky-btn.primary {
  background: #fff;
  color: var(--green-deep);
}

.sticky-btn.secondary {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
}

.sample-toast {
  position: fixed;
  right: 16px;
  bottom: 104px;
  z-index: 999;
  width: min(360px, calc(100vw - 32px));
  padding: 18px 20px;
  border-radius: 24px;
  background: rgba(27, 67, 50, 0.96);
  box-shadow: 0 24px 48px rgba(27, 67, 50, 0.24);
  opacity: 0;
  transform: translateY(16px);
  pointer-events: none;
  transition: opacity 0.28s ease, transform 0.28s ease;
}

.sample-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.sample-toast strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1120px) {
  .hero-grid,
  .journey-grid,
  .stay-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 640px;
  }

  .cred-grid,
  .procedure-grid,
  .feature-grid,
  .quote-grid,
  .contact-grid,
  .doctor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  body {
    padding-bottom: 134px;
  }

  .nav {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .nav-panel {
    display: none;
    grid-column: 1 / -1;
    grid-template-columns: 1fr;
    gap: 14px;
    padding-top: 14px;
    border-top: 1px solid rgba(26, 31, 23, 0.08);
  }

  .nav.is-open .nav-panel {
    display: grid;
  }

  .nav.is-open .nav-toggle {
    background: var(--green-deep);
  }

  .nav.is-open .nav-toggle-icon {
    color: #fff;
    transform: rotate(90deg);
  }

  .nav-links {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 6px;
  }

  .nav-links a {
    width: 100%;
    padding: 10px 0;
  }

  .nav-tools {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
  }

  .lang-picker {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .lang-caption {
    padding-left: 4px;
  }

  .lang-switcher {
    width: 100%;
    justify-content: space-between;
  }

  .lang-switcher a {
    flex: 1;
    text-align: center;
  }

  .nav-cta {
    width: 100%;
  }

  .hero {
    padding-top: 54px;
  }

  .hero-copy h1 {
    font-size: clamp(2.7rem, 13vw, 4rem);
  }

  body.lang-ja .hero-copy h1,
  body.lang-th .hero-copy h1 {
    font-size: clamp(2.3rem, 9.6vw, 3.3rem);
  }

  .hero-proof,
  .cred-grid,
  .procedure-grid,
  .feature-grid,
  .quote-grid,
  .contact-grid,
  .doctor-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: unset;
    display: grid;
    gap: 16px;
  }

  .hero-frame,
  .hero-note {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    width: 100%;
  }

  .hero-portrait {
    height: auto;
    aspect-ratio: 4 / 5;
  }

  .hero-consultation {
    height: auto;
    aspect-ratio: 16 / 10;
  }

  .journey-card,
  .stay-copy,
  .contact-card,
  .feature-card,
  .procedure-card,
  .quote-card {
    padding: 24px;
  }

  .sticky-inner {
    flex-direction: column;
    align-items: stretch;
  }

  .sticky-actions {
    width: 100%;
  }

  .sticky-btn {
    flex: 1;
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .nav-shell,
  .hero,
  .section,
  .credibility,
  .footer {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-shell {
    padding-top: 0;
    padding-bottom: 0;
  }

  .nav {
    padding: 14px;
    border-radius: 22px;
  }

  .nav-toggle {
    width: 44px;
    height: 44px;
    border-radius: 14px;
  }

  .section {
    padding-top: 78px;
    padding-bottom: 78px;
  }

  .section-heading h2,
  .cta-panel h2 {
    font-size: 2.3rem;
  }

  body.lang-ja .section-heading h2,
  body.lang-th .section-heading h2,
  body.lang-ja .cta-panel h2,
  body.lang-th .cta-panel h2 {
    font-size: clamp(1.8rem, 7vw, 2.6rem);
  }

  .cta-panel {
    padding: 28px;
  }

  .sample-toast {
    left: 16px;
    right: 16px;
    width: auto;
    bottom: 124px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}