/* ============================================
   ミライズ矯正歯科大磯院 - Main Stylesheet
   Design tokens from mirise-ortho.com (南青山本院)
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
  /* Colors */
  --color-gold: #b79069;
  --color-gold-dark: #8a7642;
  --color-gold-light: #c9a96e;
  --color-navy: #1a2942;
  --color-navy-light: #2a3f5f;
  --color-beige-1: #fafaf7;
  --color-beige-2: #f9f6f0;
  --color-beige-3: #f5f1e8;
  --color-beige-4: #f0ece2;
  --color-beige-5: #eee8dd;
  --color-beige-6: #e6dfd1;
  --color-text: #333;
  --color-text-light: #555;
  --color-text-muted: #999;
  --color-border: #bfbfbf;
  --color-white: #fff;
  --color-line-green: #00b900;
  --color-brown: #362e2b;

  /* Fonts */
  --font-en: 'EB Garamond', serif;
  --font-mincho: "ヒラギノ明朝 Pro W3", "Hiragino Mincho ProN", "游明朝", "Yu Mincho", YuMincho, serif;
  --font-gothic: "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, "游ゴシック Medium", YuGothic, YuGothicM, sans-serif;

  /* Spacing */
  --section-padding: 80px 0;
  --section-padding-sp: 50px 0;
  --container-width: 1100px;
  --container-padding: 0 20px;

  /* Transitions */
  --transition: 0.3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-mincho);
  color: var(--color-text);
  background-color: var(--color-white);
  line-height: 1.8;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--color-gold);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-gold-dark);
}

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.4;
  font-weight: normal;
}

/* --- Utility --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: var(--container-padding);
}

.section {
  padding: var(--section-padding);
}

.section--beige {
  background-color: var(--color-beige-2);
}

.section--navy {
  background-color: var(--color-navy);
  color: var(--color-white);
}

.text-center {
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Section Headings --- */
.section-heading {
  text-align: center;
  margin-bottom: 50px;
}

.section-heading__en {
  font-family: var(--font-en);
  font-size: 2.2rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  display: block;
  margin-bottom: 8px;
}

.section-heading__ja {
  font-family: var(--font-mincho);
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  border-bottom: 1px solid var(--color-beige-5);
  transition: box-shadow var(--transition);
}

.header.is-scrolled {
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
}

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

.header__logo img {
  height: 36px;
  width: auto;
}

.header__logo-text {
  font-family: var(--font-mincho);
  font-size: 0.8rem;
  color: var(--color-text);
  line-height: 1.3;
}

.header__logo-text small {
  display: block;
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__tel {
  font-family: var(--font-en);
  font-size: 1.3rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.header__tel-label {
  display: block;
  font-family: var(--font-gothic);
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.header__btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-family: var(--font-gothic);
  transition: all var(--transition);
}

.header__btn--reserve {
  background: var(--color-gold);
  color: var(--color-white);
}

.header__btn--reserve:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
}

.header__btn--line {
  background: var(--color-line-green);
  color: var(--color-white);
}

.header__btn--line:hover {
  opacity: 0.85;
  color: var(--color-white);
}

/* --- Navigation --- */
.gnav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-beige-5);
}

.gnav__list {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
}

.gnav__item a {
  display: block;
  padding: 14px 18px;
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  transition: color var(--transition), background var(--transition);
}

.gnav__item a:hover {
  color: var(--color-gold);
  background: var(--color-beige-1);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* --- Hero / First View --- */
/* ===== HERO SLIDESHOW (background-image swap) ===== */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  min-height: 600px;
  max-height: 900px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  -webkit-transition: background-image 1.5s ease-in-out;
  transition: background-image 1.5s ease-in-out;
}

/* Dark gradient overlay */
.hero__overlay {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: linear-gradient(
    to bottom,
    rgba(10, 18, 35, 0.35) 0%,
    rgba(10, 18, 35, 0.55) 60%,
    rgba(10, 18, 35, 0.70) 100%
  );
  z-index: 1;
}

/* Content wrapper */
.hero__content {
  position: relative;
  z-index: 2;
  padding: 0 24px;
  max-width: 860px;
  margin: 0 auto;
}

/* Slide indicators */
.hero__indicators {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 3;
}

.hero__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  background: rgba(255,255,255,0.45);
  cursor: pointer;
  padding: 0;
  transition: background 0.3s, transform 0.3s;
}

.hero__dot--active {
  background: var(--color-gold);
  transform: scale(1.3);
}

.hero__badge {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  padding: 8px 24px;
  border-radius: 2px;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.hero__catch {
  font-family: var(--font-mincho);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  line-height: 1.65;
  color: #ffffff;
  text-shadow: 0 2px 12px rgba(0,0,0,0.4);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero__sub {
  font-family: var(--font-gothic);
  font-size: clamp(0.82rem, 1.4vw, 0.95rem);
  color: rgba(255,255,255,0.88);
  margin-bottom: 40px;
  line-height: 2.0;
  text-shadow: 0 1px 6px rgba(0,0,0,0.35);
  letter-spacing: 0.03em;
}

.hero__cta {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Hero内アウトラインボタンは白ベース */
.hero .btn--outline {
  color: #ffffff;
  border-color: rgba(255,255,255,0.75);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(4px);
}

.hero .btn--outline:hover {
  background: rgba(255,255,255,0.18);
  border-color: #ffffff;
  color: #ffffff;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 4px;
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
}

.btn--primary {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn--primary:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(183, 144, 105, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-gold);
  border: 1px solid var(--color-gold);
}

.btn--outline:hover {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn--navy {
  background: var(--color-navy);
  color: var(--color-white);
}

.btn--navy:hover {
  background: var(--color-navy-light);
  color: var(--color-white);
}

.btn--line {
  background: var(--color-line-green);
  color: var(--color-white);
}

.btn--large {
  padding: 18px 40px;
  font-size: 1rem;
}

/* --- Cards --- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.card {
  background: var(--color-white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.card__img {
  width: 100%;
  height: 200px;
  overflow: hidden;
  background: var(--color-beige-3);
}

.card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.card__body {
  padding: 24px;
}

.card__title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  color: var(--color-navy);
  margin-bottom: 10px;
}

.card__text {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* --- Breadcrumb --- */
.breadcrumb {
  padding: 100px 20px 0;
  font-size: 0.75rem;
  font-family: var(--font-gothic);
  color: var(--color-text-muted);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  max-width: var(--container-width);
  margin: 0 auto;
}

.breadcrumb__item::after {
  content: '>';
  margin: 0 8px;
  color: var(--color-border);
}

.breadcrumb__item:last-child::after {
  display: none;
}

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

.breadcrumb__item a:hover {
  color: var(--color-gold);
}

/* --- Page Header --- */
.page-header {
  padding: 120px 20px 60px;
  text-align: center;
  background: var(--color-beige-2);
}

.page-header__en {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  margin-bottom: 10px;
}

.page-header__title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  color: var(--color-text);
}

/* --- Content Area --- */
.content {
  padding: 60px 20px;
}

.content__inner {
  max-width: var(--container-width);
  margin: 0 auto;
}

.content h2 {
  font-family: var(--font-mincho);
  font-size: 1.5rem;
  color: var(--color-navy);
  margin: 50px 0 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-beige-5);
}

.content h3 {
  font-family: var(--font-mincho);
  font-size: 1.2rem;
  color: var(--color-text);
  margin: 35px 0 15px;
}

.content p {
  margin-bottom: 1.5em;
  line-height: 2;
}

.content ul, .content ol {
  margin: 1em 0 1.5em 1.5em;
}

.content ul li {
  list-style: disc;
  margin-bottom: 0.5em;
  line-height: 1.8;
}

.content ol li {
  list-style: decimal;
  margin-bottom: 0.5em;
  line-height: 1.8;
}

/* --- Table --- */
.price-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
}

.price-table th,
.price-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-beige-5);
  font-size: 0.9rem;
}

.price-table th {
  background: var(--color-beige-2);
  font-weight: normal;
  color: var(--color-navy);
  white-space: nowrap;
}

.price-table td {
  color: var(--color-text);
}

/* --- FAQ --- */
.faq-item {
  border-bottom: 1px solid var(--color-beige-5);
  padding: 20px 0;
}

.faq-item__q {
  font-family: var(--font-gothic);
  font-size: 0.95rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.faq-item__q::before {
  content: 'Q';
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-gold);
  font-weight: bold;
  flex-shrink: 0;
}

.faq-item__a {
  padding: 15px 0 0 30px;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

.faq-item__a::before {
  content: 'A';
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--color-gold-light);
  margin-right: 10px;
}

/* --- CTA Section --- */
.cta-section {
  padding: 60px 20px;
  background: var(--color-navy);
  text-align: center;
}

.cta-section__title {
  font-family: var(--font-mincho);
  font-size: 1.4rem;
  color: var(--color-white);
  margin-bottom: 12px;
}

.cta-section__text {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.85rem;
  margin-bottom: 30px;
}

.cta-section__btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Event Banner (内覧会告知) --- */
.event-banner {
  background: linear-gradient(135deg, #0d1a2e 0%, #1a2942 60%, #0d1a2e 100%);
  padding: 56px 0;
  position: relative;
  overflow: hidden;
}
.event-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  left: -30%;
  width: 160%;
  height: 220%;
  background: radial-gradient(ellipse at center, rgba(201,169,110,0.1) 0%, transparent 55%);
  pointer-events: none;
}
.event-banner__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto;
  gap: 20px 40px;
  align-items: center;
  position: relative;
  z-index: 1;
}
.event-banner__badge {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
}
.event-banner__new {
  background: #c9a96e;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 3px 10px;
  border-radius: 2px;
}
.event-banner__label {
  font-size: 12px;
  color: #c9a96e;
  letter-spacing: 0.12em;
}
.event-banner__content { grid-column: 1; }
.event-banner__title { margin: 0 0 20px; font-weight: 400; }
.event-banner__title-en {
  display: block;
  font-family: 'EB Garamond', serif;
  font-size: clamp(22px, 3.5vw, 36px);
  color: #fff;
  letter-spacing: 0.04em;
  line-height: 1.2;
}
.event-banner__title-ja {
  display: block;
  font-size: clamp(15px, 2.5vw, 21px);
  color: #c9a96e;
  margin-top: 6px;
}
.event-banner__dates {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 8px;
}
.event-banner__date-item {
  display: flex;
  align-items: baseline;
  gap: 6px;
  background: rgba(201,169,110,0.1);
  border: 1px solid rgba(201,169,110,0.35);
  border-radius: 6px;
  padding: 12px 20px;
}
.event-banner__month {
  font-family: 'EB Garamond', serif;
  font-size: 13px;
  color: #c9a96e;
}
.event-banner__day {
  font-family: 'EB Garamond', serif;
  font-size: 48px;
  line-height: 1;
  color: #fff;
  font-weight: 400;
}
.event-banner__weekday {
  font-family: 'EB Garamond', serif;
  font-size: 14px;
  color: #c9a96e;
}
.event-banner__weekday small { font-size: 11px; color: #8a9ab0; margin-left: 2px; }
.event-banner__sep {
  font-family: 'EB Garamond', serif;
  font-size: 28px;
  color: rgba(201,169,110,0.4);
}
.event-banner__time {
  font-family: 'EB Garamond', serif;
  font-size: clamp(20px, 3vw, 28px);
  color: #fff;
  letter-spacing: 0.08em;
  margin: 0 0 16px;
}
.event-banner__details { list-style: none; padding: 0; margin: 0; }
.event-banner__details li {
  font-size: 13.5px;
  color: #b8c4d0;
  line-height: 1.8;
  padding-left: 16px;
  position: relative;
}
.event-banner__details li::before {
  content: '✦';
  position: absolute;
  left: 0;
  color: #c9a96e;
  font-size: 9px;
  top: 5px;
}
.event-banner__cta-wrap {
  grid-column: 2;
  grid-row: 2;
  text-align: center;
  flex-shrink: 0;
}
.event-banner__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: #c9a96e;
  color: #fff;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.04em;
  padding: 16px 28px;
  border-radius: 2px;
  white-space: nowrap;
  transition: background 0.3s, transform 0.2s;
  margin-bottom: 10px;
}
.event-banner__cta:hover { background: #b8955a; transform: translateY(-1px); color: #fff; text-decoration: none; }
.event-banner__cta span { font-family: 'EB Garamond', serif; font-size: 18px; }
.event-banner__note { font-size: 11px; color: #8a9ab0; margin: 0; }
@media (max-width: 768px) {
  .event-banner__inner { grid-template-columns: 1fr; }
  .event-banner__cta-wrap { grid-column: 1; grid-row: auto; }
  .event-banner__day { font-size: 40px; }
  .event-banner__date-item { padding: 10px 16px; }
}

/* --- Footer --- */
.footer {
  background: var(--color-brown);
  color: rgba(255, 255, 255, 0.85);
  padding: 60px 20px 30px;
}

.footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer__info h3 {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 15px;
}

.footer__info p {
  font-size: 0.8rem;
  line-height: 1.8;
  margin-bottom: 5px;
}

.footer__info a {
  color: rgba(255, 255, 255, 0.85);
}

.footer__info a:hover {
  color: var(--color-gold-light);
}

.footer__nav h4 {
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  color: var(--color-gold-light);
  margin-bottom: 12px;
  letter-spacing: 0.1em;
}

.footer__nav ul {
  columns: 2;
  gap: 20px;
}

.footer__nav li {
  margin-bottom: 8px;
}

.footer__nav a {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.footer__nav a:hover {
  color: var(--color-gold-light);
}

.footer__bottom {
  max-width: var(--container-width);
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.7rem;
}

.footer__group {
  display: flex;
  gap: 20px;
}

.footer__group a {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer__copyright {
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-en);
}

/* --- Floating CTA (Mobile) --- */
.floating-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: var(--color-white);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  padding: 10px 16px;
}

.floating-cta__inner {
  display: flex;
  gap: 8px;
}

.floating-cta__btn {
  flex: 1;
  text-align: center;
  padding: 12px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-family: var(--font-gothic);
  font-weight: bold;
}

/* --- Note Box (医療広告ガイドライン用) --- */
.note-box {
  background: var(--color-beige-2);
  border-left: 3px solid var(--color-gold);
  padding: 20px 24px;
  margin: 30px 0;
  font-size: 0.82rem;
  line-height: 1.8;
  color: var(--color-text-light);
}

.note-box__title {
  font-family: var(--font-gothic);
  font-weight: bold;
  color: var(--color-text);
  margin-bottom: 8px;
  font-size: 0.85rem;
}

/* --- Access Map --- */
.access-map {
  width: 100%;
  height: 400px;
  border: none;
  border-radius: 8px;
  margin: 30px 0;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  :root {
    --section-padding: 50px 0;
  }

  .header__tel {
    display: none;
  }

  .menu-toggle {
    display: block;
  }

  .gnav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    height: calc(100vh - 60px);
    background: var(--color-white);
    overflow-y: auto;
    z-index: 999;
  }

  .gnav.is-open {
    display: block;
  }

  .gnav__list {
    flex-direction: column;
    padding: 20px;
  }

  .gnav__item a {
    padding: 14px 0;
    border-bottom: 1px solid var(--color-beige-5);
  }

  .hero {
    padding: 120px 20px 60px;
  }

  .hero__catch {
    font-size: 1.4rem;
  }

  .hero__cta {
    flex-direction: column;
    align-items: center;
  }

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

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

  .floating-cta {
    display: block;
  }

  .page-header {
    padding: 100px 20px 40px;
  }

  .page-header__en {
    font-size: 1.8rem;
  }

  .content h2 {
    font-size: 1.3rem;
  }

  .price-table {
    font-size: 0.8rem;
  }

  .price-table th,
  .price-table td {
    padding: 12px 10px;
  }

  .cta-section__btns {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .hero__catch {
    font-size: 1.2rem;
  }

  .btn--large {
    padding: 14px 24px;
    font-size: 0.9rem;
  }
}

/* ============================================
   EXTENDED STYLES - Full Site Renovation
   ============================================ */

/* --- Page Header (内ページ共通ヒーロー) --- */
.page-header {
  position: relative;
  min-height: 320px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-color: var(--color-navy);
}

.page-header__overlay {
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: linear-gradient(135deg, rgba(26,41,66,0.82) 0%, rgba(26,41,66,0.55) 100%);
}

.page-header__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 80px 20px 40px;
}

.page-header__title {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 400;
  color: var(--color-white);
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.page-header__sub {
  font-family: var(--font-mincho);
  font-size: 1rem;
  color: var(--color-gold-light);
  letter-spacing: 0.2em;
}

/* --- Breadcrumb --- */
.breadcrumb {
  background: var(--color-beige-2);
  padding: 10px 0;
  border-bottom: 1px solid var(--color-beige-5);
}

.breadcrumb__list {
  display: flex;
  gap: 8px;
  list-style: none;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "›";
  margin-right: 8px;
}

.breadcrumb__item a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumb__item a:hover {
  color: var(--color-gold);
}

/* --- Section Common --- */
.section {
  padding: var(--section-padding);
}

.section.bg-beige {
  background: var(--color-beige-2);
}

.section.bg-navy {
  background: var(--color-navy);
}

.section.bg-white {
  background: var(--color-white);
}

.section.text-white {
  color: var(--color-white);
}

.section__title {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-navy);
  text-align: center;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
}

.section__title::after {
  content: '';
  display: block;
  width: 48px;
  height: 2px;
  background: var(--color-gold);
  margin: 16px auto 0;
}

.section__title-sm {
  font-family: var(--font-mincho);
  font-size: 1.4rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-gold);
  display: inline-block;
}

.section__desc {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
  line-height: 2;
  color: var(--color-text-light);
  font-size: 1rem;
}

/* --- Numbers Section (実績数字) --- */
.numbers {
  padding: 80px 0;
  background: var(--color-navy) !important;
  color: var(--color-white);
}

.numbers .section__title {
  color: var(--color-white);
}

.numbers .section__desc {
  color: rgba(255,255,255,0.75);
}

.numbers__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.numbers__item {
  text-align: center;
  padding: 40px 20px;
  border-right: 1px solid rgba(255,255,255,0.12);
}

.numbers__item:last-child {
  border-right: none;
}

.numbers__num {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 500;
  color: var(--color-gold-light);
  line-height: 1;
  margin-bottom: 8px;
}

.numbers__num span {
  font-size: 1.5rem;
  vertical-align: middle;
}

.numbers__value {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 500;
  color: var(--color-gold-light);
  line-height: 1;
  margin-bottom: 8px;
}

.numbers__unit {
  font-size: 1.5rem;
  vertical-align: middle;
  color: var(--color-gold-light);
}

.numbers__label {
  font-family: var(--font-mincho);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.9);
  line-height: 1.5;
  margin-bottom: 6px;
  font-weight: 500;
}

.numbers__desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  line-height: 1.5;
}

/* --- Philosophy Section (咬合の哲学) --- */
.philosophy {
  padding: 100px 0;
  background: var(--color-beige-1);
}

.philosophy__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.philosophy__label {
  font-family: var(--font-en);
  font-size: 0.85rem;
  letter-spacing: 0.2em;
  color: var(--color-gold);
  margin-bottom: 16px;
  display: block;
}

.philosophy__title {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 28px;
}

.philosophy__text {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text-light);
}

.philosophy__image {
  position: relative;
}

.philosophy__image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 20px 20px 60px rgba(0,0,0,0.12);
}

/* --- Flow Section (治療の流れ) --- */
.flow {
  padding: 100px 0;
  background: var(--color-white);
}

.flow__steps {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-beige-5) 100%);
}

.flow__step {
  display: grid;
  grid-template-columns: 72px 1fr;
  grid-template-rows: auto auto;
  gap: 4px 24px;
  margin-bottom: 48px;
  position: relative;
  align-items: start;
}

.flow__step:last-child {
  margin-bottom: 0;
}

.flow__step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-gold-light);
  font-family: var(--font-en);
  font-size: 1.2rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(26,41,66,0.2);
  grid-column: 1;
  grid-row: 1 / 3;
}

.flow__step-body {
  padding: 14px 0;
  grid-column: 2;
  grid-row: 1 / 3;
}

.flow__step-title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 8px;
  padding-top: 14px;
  grid-column: 2;
  grid-row: 1;
}

.flow__step-text {
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-light);
  grid-column: 2;
  grid-row: 2;
}

.flow__step-duration {
  display: inline-block;
  background: var(--color-beige-3);
  color: var(--color-gold-dark);
  font-size: 0.75rem;
  font-family: var(--font-gothic);
  padding: 3px 10px;
  border-radius: 2px;
  margin-bottom: 8px;
}

/* --- Strengths Section (選ばれる理由) --- */
.strengths {
  padding: 100px 0;
  background: var(--color-beige-2);
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.strength-card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  border-top: 3px solid var(--color-gold);
  transition: transform var(--transition), box-shadow var(--transition);
}

.strength-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.strength-card__num {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--color-gold-light);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 16px;
}

.strength-card__title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.5;
}

.strength-card__text {
  font-size: 0.88rem;
  line-height: 2;
  color: var(--color-text-light);
}

/* --- Doctor Section (医師紹介) --- */
.doctor-section {
  padding: 100px 0;
  background: var(--color-white);
}

.doctor-section__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 80px;
  align-items: start;
}

.doctor-section__photo {
  position: sticky;
  top: 100px;
}

.doctor-section__photo img {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 16px 16px 48px rgba(0,0,0,0.12);
}

.doctor-section__photo-placeholder {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-beige-3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  border-radius: 4px;
}

.doctor-section__name-en {
  font-family: var(--font-en);
  font-size: 0.9rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  margin-top: 16px;
  display: block;
}

.doctor-section__name-ja {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-top: 4px;
}

.doctor-section__role {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-top: 6px;
  font-family: var(--font-gothic);
}

.doctor-section__message {
  background: var(--color-beige-1);
  border-left: 3px solid var(--color-gold);
  padding: 32px;
  margin: 32px 0;
  border-radius: 0 4px 4px 0;
}

.doctor-section__message-quote {
  font-family: var(--font-mincho);
  font-size: 1.2rem;
  color: var(--color-navy);
  font-weight: 500;
  margin-bottom: 20px;
  line-height: 1.7;
}

.doctor-section__message-text {
  font-size: 0.9rem;
  line-height: 2.2;
  color: var(--color-text-light);
}

.doctor-section__credentials h4 {
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-gold-dark);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-beige-5);
}

.doctor-section__credentials ul {
  list-style: none;
  margin-bottom: 28px;
}

.doctor-section__credentials li {
  font-size: 0.88rem;
  color: var(--color-text-light);
  padding: 6px 0;
  border-bottom: 1px solid var(--color-beige-4);
  padding-left: 14px;
  position: relative;
}

.doctor-section__credentials li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}

/* --- Doctor Profile (内ページ用) --- */
.doctor-profile--large {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 80px;
  align-items: start;
}

.doctor-profile__image {
  position: sticky;
  top: 100px;
}

.doctor-profile__image img {
  width: 100%;
  border-radius: 4px;
  box-shadow: 16px 16px 48px rgba(0,0,0,0.12);
}

.doctor-profile__name {
  font-family: var(--font-mincho);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 24px;
  line-height: 1.5;
}

.doctor-profile__role {
  font-size: 0.82rem;
  font-family: var(--font-gothic);
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 4px;
}

.doctor-profile__en {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  display: block;
  margin-top: 4px;
}

.doctor-profile__message {
  background: var(--color-beige-1);
  border-left: 3px solid var(--color-gold);
  padding: 32px;
  margin-bottom: 32px;
}

.doctor-profile__message-title {
  font-family: var(--font-mincho);
  font-size: 1.2rem;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.6;
}

.doctor-profile__text {
  font-size: 0.9rem;
  line-height: 2.2;
  color: var(--color-text-light);
}

.doctor-profile__details,
.doctor-profile__awards {
  margin-bottom: 28px;
}

.doctor-profile__details-title,
.doctor-profile__awards-title {
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-gold-dark);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-beige-5);
}

.doctor-profile__list {
  list-style: none;
}

.doctor-profile__list li {
  font-size: 0.88rem;
  color: var(--color-text-light);
  padding: 6px 0 6px 14px;
  border-bottom: 1px solid var(--color-beige-4);
  position: relative;
}

.doctor-profile__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-gold);
}

/* --- Testimonials (患者様の声) --- */
.testimonials {
  padding: 100px 0;
  background: var(--color-beige-2);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.testimonial-card {
  background: var(--color-white);
  padding: 36px 28px;
  border-radius: 4px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  position: relative;
}

.testimonial-card::before {
  content: '\201C';
  font-family: var(--font-en);
  font-size: 5rem;
  color: var(--color-gold-light);
  opacity: 0.3;
  position: absolute;
  top: 10px;
  left: 20px;
  line-height: 1;
}

.testimonial-card__text {
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text-light);
  margin-bottom: 20px;
  position: relative;
  z-index: 1;
}

.testimonial-card__meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-family: var(--font-gothic);
  border-top: 1px solid var(--color-beige-4);
  padding-top: 12px;
}

.testimonial-card__disclaimer {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* --- CTA Section --- */
.cta {
  padding: 100px 0;
}

.cta__inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.cta__title {
  font-family: var(--font-mincho);
  font-size: 2rem;
  font-weight: 500;
  color: var(--color-white);
  margin-bottom: 20px;
}

.cta__text {
  font-size: 0.95rem;
  line-height: 2;
  color: rgba(255,255,255,0.8);
  margin-bottom: 40px;
}

.cta__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- Grid Utilities --- */
.grid {
  display: grid;
  gap: 32px;
}

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

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

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

/* --- Card (汎用) --- */
.card {
  background: var(--color-white);
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  transition: transform var(--transition), box-shadow var(--transition);
}

.card--link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.card--link:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.1);
}

.card__img {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
}

.card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.card--link:hover .card__img img {
  transform: scale(1.05);
}

.card__body {
  padding: 24px;
}

.card__title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 12px;
  padding: 24px 24px 0;
}

.card__text {
  font-size: 0.88rem;
  line-height: 1.9;
  color: var(--color-text-light);
  padding: 0 24px 24px;
}

/* --- Event Banner (内覧会) --- */
.event-banner {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  color: var(--color-white);
  padding: 48px 20px;
  text-align: center;
}

.event-banner__label {
  display: inline-block;
  background: var(--color-gold);
  color: var(--color-white);
  font-family: var(--font-gothic);
  font-size: 0.78rem;
  font-weight: bold;
  letter-spacing: 0.15em;
  padding: 5px 16px;
  margin-bottom: 16px;
  border-radius: 2px;
}

.event-banner__title {
  font-family: var(--font-mincho);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 12px;
  line-height: 1.4;
}

.event-banner__date {
  font-family: var(--font-en);
  font-size: 1.5rem;
  color: var(--color-gold-light);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.event-banner__time {
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
}

.event-banner__note {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.65);
  margin-bottom: 28px;
}

/* --- Footer Extended --- */
.footer {
  background: var(--color-navy);
  color: var(--color-white);
  padding: 60px 0 0;
}

.footer__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.footer__logo {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__address {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.75);
  margin-bottom: 12px;
}

.footer__address a {
  color: rgba(255,255,255,0.85);
}

.footer__hours {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.65);
  margin-bottom: 12px;
}

.footer__group {
  font-size: 0.75rem;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
}

.footer__nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.footer__nav-title {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gold-light);
  margin-bottom: 14px;
}

.footer__nav-list {
  list-style: none;
}

.footer__nav-list li {
  margin-bottom: 8px;
}

.footer__nav-list a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__nav-list a:hover {
  color: var(--color-gold-light);
}

.footer__copy {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-en);
  letter-spacing: 0.05em;
}

/* --- Floating CTA (Extended) --- */
.floating-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  display: none;
}

.floating-cta__item {
  display: block;
  background: var(--color-navy);
  color: var(--color-white);
  text-align: center;
  padding: 14px;
  text-decoration: none;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: bold;
}

.floating-cta__item--reserve {
  background: var(--color-gold);
}

/* --- Btn Extended --- */
.btn--gold {
  background: var(--color-gold);
  color: var(--color-white);
  border: 2px solid var(--color-gold);
  padding: 14px 36px;
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-block;
  transition: background var(--transition), color var(--transition);
  border-radius: 2px;
}

.btn--gold:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
}

.btn--outline.btn--white {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--color-white);
  background: transparent;
  padding: 14px 36px;
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  text-decoration: none;
  display: inline-block;
  transition: background var(--transition), color var(--transition);
  border-radius: 2px;
}

.btn--outline.btn--white:hover {
  background: rgba(255,255,255,0.1);
}

.btn--line {
  background: var(--color-line-green);
  color: var(--color-white);
  border: 2px solid var(--color-line-green);
  padding: 14px 36px;
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  font-weight: bold;
  text-decoration: none;
  display: inline-block;
  transition: opacity var(--transition);
  border-radius: 2px;
}

.btn--line:hover {
  opacity: 0.85;
}

/* --- Responsive Extended --- */
@media (max-width: 900px) {
  .numbers__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .numbers__item {
    border-right: none;
    border-bottom: 1px solid rgba(255,255,255,0.12);
  }

  .philosophy__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

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

  .doctor-section__inner,
  .doctor-profile--large {
    grid-template-columns: 1fr;
  }

  .doctor-section__photo {
    position: static;
    max-width: 320px;
  }

  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

@media (max-width: 600px) {
  .page-header__title {
    font-size: 2rem;
  }

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

  .numbers__num {
    font-size: 2.5rem;
  }

  .strengths__grid,
  .testimonials__grid {
    grid-template-columns: 1fr;
  }

  .flow__steps::before {
    left: 28px;
  }

  .flow__step {
    grid-template-columns: 56px 1fr;
  }

  .flow__step-num {
    width: 56px;
    height: 56px;
    font-size: 1rem;
  }

  .cta__title {
    font-size: 1.5rem;
  }

  .event-banner__title {
    font-size: 1.4rem;
  }

  .floating-cta {
    display: block;
  }
}

/* ============================================
   CLASS NAME COMPATIBILITY FIXES
   ============================================ */

/* --- nav (index.htmlで使用) --- */
.nav {
  background: var(--color-white);
  border-bottom: 1px solid var(--color-beige-5);
}

.nav__list {
  display: flex;
  justify-content: center;
  gap: 0;
  max-width: 1200px;
  margin: 0 auto;
  list-style: none;
}

.nav__item a,
.nav__link {
  display: block;
  padding: 14px 18px;
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav__item a:hover,
.nav__link:hover {
  color: var(--color-gold);
  background: var(--color-beige-1);
}

/* --- bg-gray (index.htmlで使用) --- */
.bg-gray {
  background: var(--color-beige-2);
}

/* --- Numbers section (index.htmlのクラス名) --- */
.numbers__value {
  font-family: var(--font-en);
  font-size: 3.5rem;
  font-weight: 500;
  color: var(--color-gold-light);
  line-height: 1;
  margin-bottom: 8px;
}

.numbers__unit {
  font-size: 1.5rem;
  vertical-align: middle;
  color: var(--color-gold-light);
}

.numbers__desc {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-top: 4px;
  line-height: 1.5;
}

/* --- Section title with ja subtitle --- */
.section__title-ja {
  display: block;
  font-family: var(--font-mincho);
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 0.1em;
  margin-top: 8px;
  font-weight: normal;
}

/* Override section__title when used with EN+JA pattern */
.section__title:has(.section__title-ja) {
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
}

/* Fallback for browsers without :has() */
.section__title-en {
  font-family: var(--font-en);
  font-size: 2rem;
  color: var(--color-gold);
  letter-spacing: 0.15em;
  display: block;
}

/* --- Philosophy section (index.htmlのクラス名) --- */
.philosophy.section {
  background: var(--color-beige-1);
}

.philosophy__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.philosophy__image img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 20px 20px 60px rgba(0,0,0,0.12);
}

.philosophy__title {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-navy);
  line-height: 1.6;
  margin-bottom: 28px;
}

.philosophy__text {
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text-light);
}

/* --- Strengths section (index.htmlのクラス名) --- */
.strengths.section {
  background: var(--color-beige-2);
}

.strengths .grid--3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.strengths .card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: 4px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
  border-top: 3px solid var(--color-gold);
}

.card__icon {
  font-family: var(--font-en);
  font-size: 2.5rem;
  color: var(--color-gold-light);
  font-weight: 400;
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.6;
}

/* --- Flow section (index.htmlのクラス名) --- */
.flow.section {
  background: var(--color-white);
}

.flow__steps {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

.flow__steps::before {
  content: '';
  position: absolute;
  left: 36px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold) 0%, var(--color-beige-5) 100%);
}

.flow__step {
  display: grid;
  grid-template-columns: 72px 1fr;
  grid-template-rows: auto auto;
  gap: 4px 24px;
  margin-bottom: 48px;
  position: relative;
  align-items: start;
}

.flow__step:last-child {
  margin-bottom: 0;
}

.flow__step-num {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-navy);
  color: var(--color-gold-light);
  font-family: var(--font-en);
  font-size: 0.85rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 16px rgba(26,41,66,0.2);
  text-align: center;
  letter-spacing: 0.05em;
  grid-column: 1;
  grid-row: 1 / 3;
}

.flow__step-title {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 8px;
  padding-top: 14px;
  grid-column: 2;
  grid-row: 1;
}

.flow__step-text {
  font-size: 0.9rem;
  line-height: 1.9;
  grid-column: 2;
  grid-row: 2;
  color: var(--color-text-light);
}

/* --- Doctor profile (index.htmlのクラス名) --- */
.doctor.section {
  background: var(--color-white);
}

.doctor-profile {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

.doctor-profile__image {
  position: sticky;
  top: 100px;
}

.doctor-profile__name {
  font-family: var(--font-mincho);
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-navy);
  margin-bottom: 16px;
  line-height: 1.5;
}

.doctor-profile__role {
  font-size: 0.82rem;
  font-family: var(--font-gothic);
  color: var(--color-text-muted);
  display: block;
}

.doctor-profile__en {
  font-family: var(--font-en);
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  display: inline-block;
  margin-left: 16px;
  font-size: 0.9rem;
}

.doctor-profile__credentials {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 24px;
  padding: 16px;
  background: var(--color-beige-2);
  border-left: 3px solid var(--color-gold);
  line-height: 1.8;
}

.doctor-profile__text {
  font-size: 0.92rem;
  line-height: 2.2;
  color: var(--color-text-light);
  margin-bottom: 24px;
}

.doctor-profile__awards {
  margin-top: 24px;
}

.doctor-profile__awards-title {
  font-family: var(--font-gothic);
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--color-gold-dark);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-beige-5);
}

/* --- Area section --- */
.area.section {
  background: var(--color-beige-2);
}

/* --- FAQ section (index.htmlのクラス名) --- */
.faq.section {
  background: var(--color-white);
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 20px;
}

.faq__item {
  border-bottom: 1px solid var(--color-beige-5);
  padding: 24px 0;
}

.faq__q {
  font-family: var(--font-gothic);
  font-size: 1rem;
  color: var(--color-navy);
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-weight: 500;
}

.faq__q::before {
  content: 'Q';
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-gold);
  font-weight: bold;
  flex-shrink: 0;
}

.faq__a {
  padding: 15px 0 0 30px;
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--color-text-light);
}

/* --- CTA section (index.htmlのクラス名) --- */
.cta.section.bg-navy {
  background: var(--color-navy);
}

.cta.section.text-white .cta__title,
.cta.bg-navy .cta__title {
  color: var(--color-white);
}

.cta.section.text-white .cta__text,
.cta.bg-navy .cta__text {
  color: rgba(255,255,255,0.8);
}

.cta__inner {
  max-width: 700px;
  margin: 0 auto;
  padding: 0 20px;
  text-align: center;
}

.cta__title {
  font-family: var(--font-mincho);
  font-size: 2rem;
  font-weight: 500;
  margin-bottom: 20px;
}

.cta__text {
  font-size: 0.95rem;
  line-height: 2;
  margin-bottom: 40px;
}

.cta__buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* --- btn variants (index.htmlで使用) --- */
.btn--gold {
  background: var(--color-gold);
  color: var(--color-white) !important;
  border: 2px solid var(--color-gold);
  padding: 14px 36px;
  font-family: var(--font-gothic);
  font-size: 0.9rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), color var(--transition);
  border-radius: 2px;
}

.btn--gold:hover {
  background: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  color: var(--color-white) !important;
}

.btn--white {
  border: 2px solid rgba(255,255,255,0.6);
  color: var(--color-white) !important;
  background: transparent;
}

.btn--white:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-white) !important;
}

.btn--reserve {
  background: var(--color-gold);
  color: var(--color-white);
  padding: 10px 20px;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: bold;
  text-decoration: none;
  border-radius: 2px;
  transition: background var(--transition);
}

.btn--reserve:hover {
  background: var(--color-gold-dark);
  color: var(--color-white);
}

/* --- grid utilities (index.htmlで使用) --- */
.grid {
  display: grid;
  gap: 32px;
}

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

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

/* --- Header contact area --- */
.header__contact {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header__tel-num {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-text);
  letter-spacing: 0.05em;
  text-decoration: none;
}

.header__logo-ja {
  font-family: var(--font-mincho);
  font-size: 1rem;
  color: var(--color-navy);
  display: block;
}

.header__logo-en {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  display: block;
}

/* --- Footer nav col --- */
.footer__nav-col {
  margin-bottom: 24px;
}

.footer__nav-title {
  font-family: var(--font-en);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  color: var(--color-gold-light);
  margin-bottom: 14px;
  display: block;
}

.footer__nav-list {
  list-style: none;
}

.footer__nav-list li {
  margin-bottom: 8px;
}

.footer__nav-list a {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color var(--transition);
}

.footer__nav-list a:hover {
  color: var(--color-gold-light);
}

.footer__logo {
  font-family: var(--font-mincho);
  font-size: 1.1rem;
  color: var(--color-white);
  margin-bottom: 16px;
}

.footer__address {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.75);
  margin-bottom: 12px;
}

.footer__address a {
  color: rgba(255,255,255,0.85);
}

.footer__hours {
  font-size: 0.82rem;
  line-height: 1.9;
  color: rgba(255,255,255,0.65);
  margin-bottom: 12px;
}

.footer__copy {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 20px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.72rem;
  color: rgba(255,255,255,0.4);
  font-family: var(--font-en);
  letter-spacing: 0.05em;
}

/* --- Floating CTA item --- */
.floating-cta__item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px;
  text-decoration: none;
  font-family: var(--font-gothic);
  font-size: 0.85rem;
  font-weight: bold;
  background: var(--color-navy);
  color: var(--color-white);
}

.floating-cta__item--reserve {
  background: var(--color-gold);
  color: var(--color-white);
}

/* --- Responsive fixes --- */
@media (max-width: 900px) {
  .philosophy__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .strengths .grid--3 {
    grid-template-columns: 1fr 1fr;
  }

  .doctor-profile {
    grid-template-columns: 1fr;
  }

  .doctor-profile__image {
    position: static;
    max-width: 280px;
  }

  .grid--3 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 600px) {
  .flow__steps::before {
    left: 28px;
  }

  .flow__step {
    grid-template-columns: 56px 1fr;
  }

  .flow__step-num {
    width: 56px;
    height: 56px;
    font-size: 0.75rem;
  }

  .strengths .grid--3,
  .grid--3,
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .cta__title {
    font-size: 1.5rem;
  }

  .numbers__value {
    font-size: 2.5rem;
  }
}