/* ============================================
   とちのきの宿 - トップページ CSS
   ============================================ */

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

:root {
  --color-primary: #3a5c3a;       /* 深緑 */
  --color-primary-dark: #2c4a2c;
  --color-primary-light: #5a8a5a;
  --color-accent: #c9b46b;        /* 金茶 */
  --color-accent-dark: #a89050;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-text-white: #ffffff;
  --color-bg: #faf9f6;            /* 生成り */
  --color-bg-section: #f2efe9;
  --color-bg-dark: #1e2e1e;
  --color-border: #ddd8ce;
  --font-serif: 'Noto Serif JP', 'Georgia', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --container-width: 1140px;
  --container-padding: 20px;
  --radius: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.16);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

/* --- ユーティリティ --- */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.sp-only { display: none; }

/* --- セクション共通 --- */
section {
  padding: 80px 0;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 20px;
}

.section-lead {
  font-size: 1rem;
  color: var(--color-text-light);
  max-width: 640px;
  margin-bottom: 48px;
  line-height: 1.9;
}

/* --- ボタン --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 4px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-align: center;
  justify-content: center;
  text-decoration: none;
}

.btn--primary {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  opacity: 1;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}

.btn--outline:hover {
  background-color: rgba(255,255,255,0.15);
  opacity: 1;
}

.btn--secondary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  opacity: 1;
  transform: translateY(-2px);
}

.btn--outline-green {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  margin-top: 8px;
}

.btn--outline-green:hover {
  background-color: var(--color-primary);
  color: #fff;
  opacity: 1;
  transform: translateY(-2px);
}

.btn--plan {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
  padding: 10px 20px;
  font-size: 0.9rem;
  margin-top: 16px;
}

.btn--plan:hover {
  background-color: var(--color-primary);
  color: #fff;
  opacity: 1;
}

.btn--meal {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
  margin-top: 20px;
}

.btn--meal:hover {
  background-color: var(--color-accent-dark);
  opacity: 1;
  transform: translateY(-2px);
}

.btn--subsidy {
  background-color: #fff;
  color: var(--color-primary);
  border-color: #fff;
  white-space: nowrap;
  font-size: 0.9rem;
  padding: 10px 20px;
}

.btn--subsidy:hover {
  background-color: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
  opacity: 1;
}

.btn--large {
  padding: 18px 40px;
  font-size: 1.05rem;
}

/* ============================================
   ヘッダー
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: var(--shadow-sm);
}

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

.site-header.scrolled .logo-en {
  color: var(--color-text-light);
}

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

.site-header.scrolled .nav-cta {
  background-color: var(--color-primary) !important;
  color: #fff !important;
}

.header-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo a {
  display: flex;
  flex-direction: column;
}

.logo-ja {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  transition: color var(--transition);
}

.logo-en {
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.7);
  transition: color var(--transition);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-list a {
  display: block;
  padding: 8px 12px;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.9);
  font-weight: 500;
  border-radius: 4px;
  transition: all var(--transition);
}

.nav-list a:hover {
  opacity: 0.7;
}

.nav-cta {
  background-color: var(--color-accent) !important;
  color: #fff !important;
  padding: 8px 16px !important;
}

.nav-cta:hover {
  background-color: var(--color-accent-dark) !important;
  opacity: 1 !important;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: #fff;
  transition: all var(--transition);
  border-radius: 2px;
}

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

/* ============================================
   ヒーロー
   ============================================ */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-img-wrap {
  position: relative;
  width: 100%;
  height: 100%;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0;
  transition: opacity 1s ease;
}

.hero-img--active {
  opacity: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(20, 40, 20, 0.72) 0%,
    rgba(20, 40, 20, 0.45) 60%,
    rgba(20, 40, 20, 0.3) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  padding-top: 70px;
  width: 100%;
}

.hero-label {
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 16px;
  font-weight: 500;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 3.6rem);
  color: #fff;
  line-height: 1.4;
  margin-bottom: 20px;
  font-weight: 700;
}

.hero-title span {
  font-size: clamp(1.5rem, 3.5vw, 2.8rem);
  font-weight: 500;
  opacity: 0.92;
}

.hero-desc {
  font-size: clamp(0.9rem, 1.5vw, 1.05rem);
  color: rgba(255,255,255,0.88);
  max-width: 560px;
  margin-bottom: 24px;
  line-height: 1.85;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.18);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  backdrop-filter: blur(4px);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 1.5s ease-in-out infinite;
}

@keyframes scrollLine {
  0% { opacity: 1; transform: scaleY(1) translateY(0); }
  100% { opacity: 0; transform: scaleY(0.5) translateY(20px); }
}

/* ============================================
   導入文
   ============================================ */
.intro {
  background: #fff;
}

.intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-text {
  max-width: 500px;
}

.intro-body {
  color: var(--color-text-light);
  margin-bottom: 20px;
  line-height: 1.9;
}

.intro-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.intro-img:hover img {
  transform: scale(1.04);
}

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

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.reason-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.reason-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.reason-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.4rem;
  color: #fff;
}

.reason-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.5;
}

.reason-body {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.85;
}

/* ============================================
   ご利用シーン
   ============================================ */
.plans {
  background: #fff;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.plan-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  background: #fff;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.plan-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.plan-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.plan-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.plan-card:hover .plan-card-img img {
  transform: scale(1.06);
}

.plan-card-label {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 4px 12px;
  border-radius: 100px;
}

.plan-card-body {
  padding: 24px;
}

.plan-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}

.plan-card-body p {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.plan-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.plan-tags li {
  background: var(--color-bg-section);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
}

/* ============================================
   補助金バナー
   ============================================ */
.subsidy-banner {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  padding: 32px 0;
}

.subsidy-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.subsidy-icon {
  font-size: 2rem;
  color: var(--color-accent);
  flex-shrink: 0;
}

.subsidy-text {
  flex: 1;
  color: #fff;
  font-size: 0.9rem;
  line-height: 1.7;
}

.subsidy-text strong {
  font-size: 1rem;
}

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

.rooms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.room-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition);
}

.room-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.room-card-img {
  position: relative;
  height: 220px;
  overflow: hidden;
}

.room-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.room-card:hover .room-card-img img {
  transform: scale(1.06);
}

.room-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: rgba(58, 92, 58, 0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 100px;
}

.room-card-body {
  padding: 24px;
}

.room-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 4px;
}

.room-subtitle {
  font-size: 0.82rem;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.room-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--color-bg-section);
  border-radius: var(--radius);
}

.room-spec {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--color-text-light);
}

.room-spec i {
  color: var(--color-primary);
  width: 14px;
  flex-shrink: 0;
}

.room-desc {
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.rooms-note {
  margin-top: 32px;
  padding: 16px 20px;
  background: #fff;
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.rooms-note i {
  color: var(--color-accent);
  margin-top: 2px;
  flex-shrink: 0;
}

/* ============================================
   お食事
   ============================================ */
.meal-bg {
  background: linear-gradient(135deg, var(--color-bg-dark), #2c4a2c);
  padding: 80px 0;
}

.meal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.meal-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.meal-img img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.meal-text h3 {
  font-family: var(--font-serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.meal-text p {
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
  margin-bottom: 20px;
}

.meal-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.meal-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,0.85);
  font-size: 0.9rem;
}

.meal-list i {
  color: var(--color-accent);
  flex-shrink: 0;
}

/* ============================================
   施設・設備
   ============================================ */
.facility {
  background: #fff;
}

.facility-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.facility-item {
  background: var(--color-bg-section);
  border-radius: var(--radius-lg);
  padding: 28px 20px;
  text-align: center;
  border: 1px solid var(--color-border);
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}

.facility-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  background: #fff;
}

.facility-btn-wrap {
  text-align: center;
  margin-top: 40px;
}

.facility-icon {
  font-size: 1.8rem;
  color: var(--color-primary);
  margin-bottom: 14px;
}

.facility-item h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.facility-item p {
  font-size: 0.8rem;
  color: var(--color-text-light);
  line-height: 1.7;
}

/* ============================================
   予約の流れ
   ============================================ */
.flow {
  background: var(--color-bg-section);
}

.flow-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 48px;
}

.flow-step {
  flex: 1;
  text-align: center;
  padding: 36px 24px;
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  font-size: 1.2rem;
  color: var(--color-accent);
  margin-top: 60px;
}

.flow-step-num {
  font-size: 3rem;
  font-weight: 700;
  font-family: var(--font-serif);
  color: var(--color-bg-section);
  line-height: 1;
  margin-bottom: 8px;
}

.flow-step-icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.flow-step h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 16px;
}

.flow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.flow-link:hover {
  color: var(--color-primary-dark);
  opacity: 1;
}

.flow-note {
  margin-top: 28px;
  padding: 14px 20px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: 10px;
}

.flow-note i {
  color: var(--color-accent);
}

/* ============================================
   FAQ
   ============================================ */
.faq {
  background: #fff;
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

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

.faq-question {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
  transition: background var(--transition);
  background: var(--color-bg-section);
}

.faq-question::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--color-primary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

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

.faq-question::after {
  content: "+";
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--color-primary);
  transition: transform var(--transition);
  line-height: 1;
  font-weight: 300;
}

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

details[open] .faq-question {
  background: #fff;
}

.faq-question:hover {
  background: #eee;
}

.faq-answer {
  padding: 20px 24px 20px 64px;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.85;
  border-top: 1px solid var(--color-border);
  background: #fff;
}

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

.access-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}

.access-dl {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.access-row {
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 20px;
}

.access-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.access-row dt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.access-row dd {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.7;
  padding-left: 22px;
}

.access-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: 350px;
  background: var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.access-map iframe {
  display: block;
  border-radius: var(--radius-lg);
}

.access-map-placeholder {
  text-align: center;
  color: var(--color-text-light);
  padding: 40px;
}

.access-map-placeholder i {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

/* ============================================
   お問い合わせ
   ============================================ */
.contact-bg {
  background: linear-gradient(135deg, #1a2e1a, var(--color-primary));
  padding: 80px 0;
}

.contact-lead {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  max-width: 560px;
  margin: 0 0 48px;
  line-height: 1.85;
}

.contact-form {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  max-width: 840px;
  box-shadow: var(--shadow-lg);
}

.form-row {
  margin-bottom: 20px;
}

.form-row--2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
}

.required {
  display: inline-block;
  background: #e53e3e;
  color: #fff;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 100px;
  margin-left: 6px;
  font-weight: 600;
  vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 0.9rem;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: #fafafa;
  transition: border-color var(--transition), background var(--transition);
  width: 100%;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: #fff;
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

.form-submit {
  text-align: center;
  margin-top: 28px;
}

.form-note {
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--color-text-light);
}

.form-success {
  display: block;
  text-align: center;
  padding: 40px 32px;
  color: var(--color-primary);
  border-radius: var(--radius-lg);
  background: #f0f7f0;
  border: 2px solid #b8d9b8;
}

.form-success i {
  font-size: 3.5rem;
  margin-bottom: 16px;
  display: block;
  color: var(--color-primary);
}

.form-success p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.8;
}

/* フォームエラー */
.form-error {
  display: block;
  padding: 20px 24px;
  background: #fff5f5;
  border: 2px solid #fca5a5;
  border-radius: var(--radius);
  margin-top: 20px;
}

.form-error i {
  font-size: 1.4rem;
  color: #dc2626;
  flex-shrink: 0;
  margin-top: 2px;
}

.form-error p {
  font-size: 0.875rem;
  color: #991b1b;
  line-height: 1.8;
}

.form-error a {
  color: #dc2626;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* バリデーションエラー（フィールド単位） */
.form-group input.field-error,
.form-group select.field-error,
.form-group textarea.field-error {
  border-color: #dc2626 !important;
  background: #fff5f5;
}

.field-error-msg {
  display: block;
  margin-top: 4px;
  font-size: 0.78rem;
  color: #dc2626;
  font-weight: 500;
}

/* ============================================
   お問い合わせ（Googleフォーム）
   ============================================ */
.contact-gform {
  display: flex;
  justify-content: center;
}

.contact-gform-box {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  max-width: 680px;
  width: 100%;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

.contact-gform-icon {
  font-size: 3rem;
  color: var(--color-primary);
  margin-bottom: 20px;
}

.contact-gform-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 16px;
}

.contact-gform-desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 32px;
}

.contact-gform-desc strong {
  color: var(--color-primary);
  font-weight: 700;
}

.contact-gform-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.contact-gform-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.step-num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.step-text {
  font-size: 0.8rem;
  color: var(--color-text-light);
  font-weight: 500;
  white-space: nowrap;
}

.step-arrow {
  color: var(--color-accent);
  font-size: 0.9rem;
  margin-top: -12px;
}

.btn-gform {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--color-primary);
  color: #fff;
  padding: 18px 40px;
  border-radius: 4px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: var(--shadow-md);
}

.btn-gform:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  opacity: 1;
}

.contact-gform-note {
  margin-top: 16px;
  font-size: 0.78rem;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.contact-gform-note i {
  color: var(--color-accent);
}

@media (max-width: 768px) {
  .contact-gform-box {
    padding: 40px 24px;
  }
  .btn-gform {
    padding: 16px 24px;
    font-size: 0.9rem;
    width: 100%;
    justify-content: center;
  }
  .contact-gform-steps {
    gap: 8px;
  }
  .step-text {
    font-size: 0.72rem;
  }
}

/* ============================================
   フッター
   ============================================ */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo .logo-ja {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 4px;
}

.footer-logo .logo-en {
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.footer-address {
  font-size: 0.82rem;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
}

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

.footer-nav-col h4 {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 14px;
  text-transform: uppercase;
}

.footer-nav-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-nav-col a {
  font-size: 0.83rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.footer-nav-col a:hover {
  color: #fff;
  opacity: 1;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.footer-copyright {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}

.footer-link {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-link:hover {
  color: rgba(255,255,255,0.7);
  opacity: 1;
}

/* ============================================
   固定CTA
   ============================================ */
.fixed-cta {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
}

.fixed-cta.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.fixed-cta-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: var(--shadow-lg);
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition);
}

.fixed-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.25);
  opacity: 1;
}

.fixed-cta-btn--main {
  background: var(--color-primary);
  color: #fff;
}

.fixed-cta-btn--sub {
  background: var(--color-accent);
  color: #fff;
}

/* ============================================
   TOPへ戻る
   ============================================ */
.back-to-top {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 999;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(58,92,58,0.85);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition), background var(--transition);
  backdrop-filter: blur(4px);
}

.back-to-top.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

.back-to-top:hover {
  background: var(--color-primary);
}

/* ============================================
   アニメーション
   ============================================ */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 0.1s; }
.fade-up:nth-child(3) { transition-delay: 0.2s; }
.fade-up:nth-child(4) { transition-delay: 0.3s; }

/* ============================================
   レスポンシブ
   ============================================ */
@media (max-width: 1024px) {
  .reasons-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  section {
    padding: 60px 0;
  }

  .sp-only { display: block; }
  .pc-only { display: none; }

  /* ヘッダー */
  .header-nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255,255,255,0.98);
    padding: 24px 20px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform var(--transition);
    z-index: 999;
  }

  .header-nav.open {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-list a {
    color: var(--color-text);
    padding: 14px 16px;
    font-size: 1rem;
    border-bottom: 1px solid var(--color-border);
    border-radius: 0;
  }

  .nav-cta {
    margin-top: 12px;
    border-radius: 8px !important;
    text-align: center;
  }

  .hamburger {
    display: flex;
  }

  .hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }

  .hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  /* ヒーロー */
  .hero-title {
    font-size: 2rem;
  }

  .hero-title span {
    font-size: 1.5rem;
  }

  .hero-badges {
    gap: 8px;
  }

  .badge {
    font-size: 0.75rem;
    padding: 4px 10px;
  }

  .hero-cta {
    flex-direction: column;
    width: 100%;
    max-width: 280px;
  }

  .hero-cta .btn {
    width: 100%;
    justify-content: center;
  }

  /* 導入 */
  .intro-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .intro-img img {
    height: 260px;
  }

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

  /* プラン */
  .plans-grid {
    grid-template-columns: 1fr;
  }

  /* 客室 */
  .rooms-grid {
    grid-template-columns: 1fr;
  }

  /* 食事 */
  .meal-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .meal-img img {
    height: 240px;
  }

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

  /* フロー */
  .flow-steps {
    flex-direction: column;
  }

  .flow-arrow {
    transform: rotate(90deg);
    margin-top: 0;
    padding: 4px 0;
  }

  /* アクセス */
  .access-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  /* フォーム */
  .contact-form {
    padding: 24px;
  }

  .form-row--2col {
    grid-template-columns: 1fr;
  }

  /* フッター */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-nav {
    grid-template-columns: 1fr 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  /* 固定CTA */
  .fixed-cta {
    right: 12px;
    bottom: 16px;
  }

  .fixed-cta-btn span {
    display: none;
  }

  .fixed-cta-btn {
    width: 48px;
    height: 48px;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
  }

  .fixed-cta-btn i {
    font-size: 1.1rem;
  }

  .back-to-top {
    left: 12px;
    bottom: 16px;
  }
}

@media (max-width: 480px) {
  .hero-badges {
    display: none;
  }

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

  .footer-nav {
    grid-template-columns: 1fr;
  }

  .subsidy-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .subsidy-inner .btn--subsidy {
    width: 100%;
  }
}