/* ============================================================
   さくら歯科クリニック LP - A案（清潔感・スタンダード）
   style.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&family=Noto+Sans+JP:wght@400;500;700&display=swap');

/* ============================================================
   CSS カスタムプロパティ
   ============================================================ */
:root {
  --color-primary:       #3BA8D8;
  --color-primary-dark:  #2D8EBF;
  --color-primary-light: #D6EEF8;
  --color-accent:        #FFFFFF;
  --color-text:          #2C3E50;
  --color-text-muted:    #6A7D90;
  --color-bg:            #FFFFFF;
  --color-bg-section:    #F4F9FD;
  --color-border:        #D6EEF8;
  --color-footer-bg:     #1B3A5C;

  --font-base:    'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
  --font-latin:   'Lato', sans-serif;

  --space-xs:   0.5rem;
  --space-sm:   1rem;
  --space-md:   2rem;
  --space-lg:   4rem;
  --space-xl:   6rem;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  16px;
  --radius-full: 9999px;

  --shadow-sm:  0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md:  0 4px 20px rgba(0, 0, 0, 0.10);
  --shadow-lg:  0 8px 40px rgba(0, 0, 0, 0.14);

  --transition: 0.3s ease;
  --max-width: 1100px;
  --header-height: 72px;
}

/* ============================================================
   リセット・ベース
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
}

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

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

ul, ol {
  list-style: none;
}

address {
  font-style: normal;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ============================================================
   コンテナ
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ============================================================
   セクション共通
   ============================================================ */
.section {
  padding: var(--space-xl) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-lg);
}

.section-label {
  display: inline-block;
  font-family: var(--font-latin);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* ============================================================
   スクロールアニメーション
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   CTAボタン
   ============================================================ */
.cta-btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--color-primary);
  color: var(--color-accent);
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  letter-spacing: 0.05em;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  text-align: center;
  white-space: nowrap;
}

.cta-btn:hover,
.cta-btn:focus-visible {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 168, 216, 0.35);
  color: var(--color-accent);
}

.cta-btn--outline {
  background: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.cta-btn--outline:hover,
.cta-btn--outline:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

/* ============================================================
   ヘッダー / ナビゲーション
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.site-header.scrolled .logo a {
  color: var(--color-primary);
}

.site-header.scrolled .nav-links a {
  color: var(--color-text);
}

.site-header.scrolled .nav-links a:hover {
  color: var(--color-primary);
}

.site-header.scrolled .header-cta {
  color: var(--color-accent) !important;
}

.site-header.scrolled .burger span {
  background: var(--color-text);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo a {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.03em;
  white-space: nowrap;
  transition: color var(--transition);
}

.site-nav {
  display: flex;
  align-items: center;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition);
}

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

.nav-links a:hover {
  color: var(--color-accent);
}

.header-cta {
  background: var(--color-primary);
  color: var(--color-accent) !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.875rem;
  transition: background var(--transition), transform var(--transition) !important;
}

.header-cta::after {
  display: none !important;
}

.header-cta:hover {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

/* ハンバーガー */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 6px;
  border-radius: var(--radius-sm);
  transition: background var(--transition);
}

.burger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.burger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), background var(--transition);
}

/* ============================================================
   Hero
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('https://images.pexels.com/photos/3845766/pexels-photo-3845766.jpeg?auto=compress&cs=tinysrgb&w=1920&h=1080&fit=crop');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  margin-top: calc(-1 * var(--header-height));
  padding-top: var(--header-height);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(27, 58, 92, 0.75) 0%,
    rgba(43, 112, 158, 0.60) 60%,
    rgba(59, 168, 216, 0.40) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--color-accent);
  padding: 2rem 1.5rem;
  max-width: 860px;
}

.hero-sub {
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--color-primary-light);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
  font-family: var(--font-latin);
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.hero-desc {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 2.5rem;
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.hero-info {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.75);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 1.5rem;
}

/* スクロールインジケーター */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero-scroll-indicator span {
  display: block;
  width: 24px;
  height: 38px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  position: relative;
}

.hero-scroll-indicator span::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.7);
  border-radius: var(--radius-full);
  animation: scrollBob 1.8s ease-in-out infinite;
}

@keyframes scrollBob {
  0%, 100% { opacity: 1; transform: translateX(-50%) translateY(0); }
  50%       { opacity: 0.3; transform: translateX(-50%) translateY(10px); }
}

/* ============================================================
   選ばれる3つの理由
   ============================================================ */
.reasons-section {
  background: var(--color-bg-section);
}

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.reason-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 2.5rem 2rem;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}

.reason-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.reason-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.reason-card:hover::before {
  transform: scaleX(1);
}

.reason-number {
  font-family: var(--font-latin);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.reason-icon {
  color: var(--color-primary);
  margin-bottom: 1.25rem;
  display: flex;
  justify-content: center;
}

.reason-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.reason-text {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  text-align: left;
}

/* ============================================================
   診療メニュー
   ============================================================ */
.menu-section {
  background: var(--color-bg);
}

.menu-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: var(--space-lg);
}

.menu-card {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.menu-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.menu-card__img {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.menu-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.menu-card__img--placeholder {
  background: var(--color-bg-section);
  display: flex;
  align-items: center;
  justify-content: center;
}

.menu-img-icon {
  color: var(--color-primary);
  opacity: 0.6;
}

.menu-card__body {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.menu-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.625rem;
}

.menu-card__text {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  flex: 1;
  margin-bottom: 1rem;
}

.menu-card__tag {
  display: inline-block;
  padding: 0.2em 0.8em;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  align-self: flex-start;
}

.menu-card__tag--private {
  background: #FFF3E0;
  color: #E65100;
}

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

/* ============================================================
   院長紹介
   ============================================================ */
.doctor-section {
  background: var(--color-bg-section);
}

.doctor-inner {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 4rem;
  align-items: start;
}

.doctor-img-wrap {
  position: relative;
}

.doctor-img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  object-fit: cover;
  aspect-ratio: 1 / 1;
}

.doctor-img-wrap::before {
  content: '';
  position: absolute;
  inset: 12px -12px -12px 12px;
  border: 2px solid var(--color-primary-light);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.doctor-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 0.375rem;
  text-transform: uppercase;
  font-family: var(--font-latin);
}

.doctor-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.doctor-name span {
  font-size: 1.25rem;
  font-weight: 500;
  margin-left: 0.5rem;
}

.doctor-name-en {
  font-family: var(--font-latin);
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-bottom: 1.75rem;
  letter-spacing: 0.05em;
}

.doctor-message {
  margin-bottom: 2rem;
}

.doctor-message p {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 1rem;
}

.doctor-message p:last-child {
  margin-bottom: 0;
}

.doctor-career {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  border: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.5rem;
}

.doctor-career dt {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding-top: 0.125rem;
  white-space: nowrap;
}

.doctor-career dd ul {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.doctor-career dd li {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  padding-left: 1rem;
  position: relative;
}

.doctor-career dd li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* ============================================================
   患者の声
   ============================================================ */
.voice-section {
  background: var(--color-bg);
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.voice-card {
  background: var(--color-bg-section);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  transition: transform var(--transition), box-shadow var(--transition);
}

.voice-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.voice-stars {
  display: flex;
  gap: 3px;
}

.star {
  font-size: 1.2rem;
  color: #DDD;
}

.star.filled {
  color: #F5A623;
}

.star.half {
  color: #F5A623;
  opacity: 0.5;
}

.voice-text {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--color-text);
  flex: 1;
  quotes: "\300C" "\300D";
}

.voice-text::before {
  content: open-quote;
  font-size: 1.5rem;
  color: var(--color-primary);
  line-height: 0;
  vertical-align: -0.3em;
  margin-right: 0.1em;
}

.voice-author {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

.voice-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.voice-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
}

.voice-meta {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-top: 0.125rem;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section {
  background: var(--color-bg-section);
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.faq-item {
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.active {
  border-color: var(--color-primary);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  text-align: left;
  gap: 1rem;
  transition: color var(--transition), background var(--transition);
}

.faq-question:hover {
  color: var(--color-primary);
  background: var(--color-bg-section);
}

.faq-item.active .faq-question {
  color: var(--color-primary);
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-light);
  position: relative;
  transition: background var(--transition), transform var(--transition);
}

.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: var(--color-primary);
  border-radius: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-icon::before {
  width: 12px;
  height: 2px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
  transition: transform var(--transition), opacity var(--transition);
}

.faq-item.active .faq-icon {
  background: var(--color-primary);
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--color-accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.38s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 1.5rem 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* ============================================================
   アクセス
   ============================================================ */
.access-section {
  background: var(--color-bg);
}

.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.access-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 2rem;
}

.access-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.access-row:first-child {
  border-top: 1px solid var(--color-border);
}

.access-list dt {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary);
  padding-top: 0.125rem;
}

.access-list dd {
  font-size: 0.9375rem;
  color: var(--color-text);
  line-height: 1.7;
}

.access-list dd a {
  color: var(--color-primary);
  font-weight: 700;
}

.access-list dd a:hover {
  text-decoration: underline;
}

/* 診療時間テーブル */
.hours-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.hours-table th,
.hours-table td {
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.hours-table th {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
}

.hours-table td {
  border-bottom: 1px solid var(--color-border);
}

.hours-table .holiday td {
  color: var(--color-text-muted);
}

.access-cta {
  display: block;
  text-align: center;
}

/* Googleマップダミー */
.map-placeholder {
  width: 100%;
  height: 400px;
  background: var(--color-bg-section);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* ============================================================
   フッター
   ============================================================ */
.site-footer {
  background: var(--color-footer-bg);
  color: rgba(255, 255, 255, 0.75);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-top {
  padding: 4rem 0 3rem;
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
}

.footer-tagline {
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-address {
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.6);
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-nav a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-accent);
}

.footer-sns-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 1rem;
  font-family: var(--font-latin);
}

.footer-sns-links {
  display: flex;
  gap: 0.875rem;
}

.sns-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition), transform var(--transition);
}

.sns-link:hover {
  background: var(--color-primary);
  transform: translateY(-2px);
}

.sns-link img {
  width: 20px;
  height: 20px;
  filter: invert(1);
}

.footer-bottom {
  padding: 1.5rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer-policy {
  display: flex;
  gap: 1.5rem;
}

.footer-policy a {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition);
}

.footer-policy a:hover {
  color: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   レスポンシブ：タブレット（max 1024px）
   ============================================================ */
@media (max-width: 1024px) {
  .reasons-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }

  .doctor-inner {
    grid-template-columns: 280px 1fr;
    gap: 2.5rem;
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

/* ============================================================
   レスポンシブ：スマートフォン（max 768px）
   ============================================================ */
@media (max-width: 768px) {
  :root {
    --space-xl: 4rem;
    --space-lg: 2.5rem;
  }

  /* ハンバーガー表示 */
  .burger {
    display: flex;
  }

  .site-nav {
    position: relative;
  }

  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--transition), opacity var(--transition);
    z-index: 99;
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links li {
    border-bottom: 1px solid var(--color-border);
  }

  .nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--color-text);
    font-size: 0.9375rem;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:hover {
    background: var(--color-bg-section);
    color: var(--color-primary);
  }

  .header-cta {
    margin: 0.75rem 1rem;
    display: block;
    text-align: center;
    border-radius: var(--radius-sm);
  }

  /* Hero */
  .hero {
    background-attachment: scroll;
    min-height: 100svh;
  }

  .hero-title {
    font-size: clamp(1.6rem, 7vw, 2.4rem);
  }

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

  .hero-cta-group .cta-btn {
    width: 100%;
    max-width: 320px;
  }

  .hero-info {
    flex-direction: column;
    gap: 0.5rem;
    font-size: 0.8rem;
  }

  /* 理由 */
  .reasons-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  /* 診療メニュー */
  .menu-grid {
    grid-template-columns: 1fr;
  }

  /* 院長 */
  .doctor-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .doctor-img-wrap::before {
    display: none;
  }

  .doctor-img {
    max-width: 280px;
    margin: 0 auto;
  }

  .doctor-career {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  /* 患者の声 */
  .voice-grid {
    grid-template-columns: 1fr;
  }

  /* アクセス */
  .access-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .access-row {
    grid-template-columns: 100px 1fr;
  }

  .map-placeholder {
    height: 260px;
  }

  /* フッター */
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
}

/* ============================================================
   レスポンシブ：小型スマートフォン（max 375px）
   ============================================================ */
@media (max-width: 375px) {
  .cta-btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
  }

  .reason-card {
    padding: 2rem 1.25rem;
  }

  .voice-card {
    padding: 1.5rem;
  }
}

/* ============================================================
   フォーカス可視化（アクセシビリティ）
   ============================================================ */
:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ============================================================
   プリント
   ============================================================ */
@media print {
  .site-header,
  .hero-scroll-indicator,
  .burger,
  .hero-cta-group,
  .menu-cta,
  .access-cta,
  .site-footer {
    display: none;
  }
}