/* À Votre Santé LP - 共通スタイル */

:root {
  /* ブランドカラー：Wine Serenity Journal連携 */
  --color-primary: #722F37;
  --color-primary-dark: #4A1C23;
  --color-primary-light: #9C4850;
  --color-secondary: #D4AF37;
  --color-secondary-dark: #AA8C2C;
  --color-secondary-light: #E8C547;
  
  /* 背景色 */
  --color-background: #1A1A1A;
  --color-surface: #2D2D2D;
  --color-surface-variant: #3D3D3D;
  --color-bg-primary: #FDFCFA;
  --color-bg-secondary: #F5F3EF;
  
  /* テキスト色 */
  --color-text-primary: #F5F5F5;
  --color-text-secondary: #B0B0B0;
  --color-text-hint: #707070;
  --color-text-dark: #2C2823;
  --color-text-dark-secondary: #6B645C;
  
  /* その他 */
  --color-border: #E8E4DD;
  --color-white: #FFFFFF;
  
  /* タイポグラフィ */
  --font-primary: 'Noto Sans JP', 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-secondary: 'Noto Serif JP', 'Yu Mincho', serif;
  
  /* スペーシング */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  
  /* ブレークポイント */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
}

/* リセット＆ベーススタイル */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}

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

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

/* コンテナ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ヘッダー（案切替） */
.lp-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.lp-header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.lp-header__logo {
  font-family: var(--font-secondary);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-primary);
}

.lp-header__switcher {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.lp-header__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

.lp-header__link {
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(212, 175, 55, 0.3);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  background-color: var(--color-surface-variant);
  color: var(--color-text-primary);
}

.lp-header__link:hover {
  background-color: var(--color-surface-variant);
  border-color: var(--color-secondary);
}

.lp-header__link--active {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

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

.section--dark {
  background-color: var(--color-surface);
}

.section__title {
  font-family: var(--font-secondary);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--spacing-md);
  line-height: 1.4;
  color: var(--color-text-primary);
}

.section__subtitle {
  font-size: clamp(1rem, 2vw, 1.125rem);
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-lg);
  line-height: 1.8;
}

.section__title,
.section__subtitle,
.hero__title,
.hero__subtitle,
.hero__note {
  color: var(--color-text-primary);
}

.section--dark .section__title,
.section--dark .section__subtitle {
  color: var(--color-text-primary);
}

.feature__content h3 {
  font-family: var(--font-secondary);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.feature__content p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-sm);
}

.feature__content li {
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
  color: var(--color-text-secondary);
}

.feature__content li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-secondary);
  font-weight: 700;
}

/* ヒーローセクション */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: var(--spacing-xl) 0;
  background: linear-gradient(135deg, var(--color-background) 0%, var(--color-surface) 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
}

.hero__content {
  padding-right: var(--spacing-md);
}

.hero__title {
  font-family: var(--font-secondary);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-primary);
}

.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.hero__subtitle:last-of-type {
  margin-bottom: var(--spacing-md);
}

.hero__cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-md);
}

.hero__note {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin-top: var(--spacing-sm);
}

/* ボタン */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(114, 47, 55, 0.3);
}

.btn--primary:hover {
  background-color: var(--color-primary-light);
  box-shadow: 0 6px 16px rgba(114, 47, 55, 0.4);
  transform: translateY(-2px);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn--large {
  padding: 1.25rem 2.5rem;
  font-size: 1.125rem;
}

/* カード */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.card {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid rgba(212, 175, 55, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  border-color: rgba(212, 175, 55, 0.3);
  transform: translateY(-4px);
}

.card__title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-text-primary);
}

.card__text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* 機能セクション */
.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

/* PC版：交互レイアウト（左右反転） */
.feature--reverse .feature__visual {
  order: -1;
}

.feature__content ul {
  list-style: none;
  padding-left: 0;
}

/* iPhoneモックフレーム */
.iphone-mock {
  max-width: 320px;
  margin: 0 auto;
  position: relative;
}

.iphone-mock__frame {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #2C2823 0%, #3D3630 100%);
  border-radius: 44px;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.3),
    inset 0 0 0 2px rgba(255, 255, 255, 0.1);
  position: relative;
}

.iphone-mock__notch {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 30px;
  background: #000;
  border-radius: 0 0 20px 20px;
  z-index: 10;
}

.iphone-mock__screen {
  width: 100%;
  aspect-ratio: 9 / 19.5;
  background-color: #F5F3EF;
  border-radius: 36px;
  overflow: hidden;
  position: relative;
}

.iphone-mock__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
  background: linear-gradient(180deg, #F5F3EF 0%, #E8E4DD 100%);
  color: var(--color-text-dark-secondary);
  font-size: 0.875rem;
  text-align: center;
}

.iphone-mock__placeholder-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.3;
}

/* FAQ */
.faq {
  max-width: 800px;
  margin: 0 auto;
}

.faq__item {
  background-color: var(--color-surface);
  padding: var(--spacing-md);
  border-radius: 8px;
  margin-bottom: var(--spacing-sm);
  border: 1px solid rgba(212, 175, 55, 0.15);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.faq__question {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-xs);
}

.faq__answer {
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* フッター */
.footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: var(--spacing-lg) 0;
  text-align: center;
}

.footer__content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.footer__logo {
  font-family: var(--font-secondary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.footer__tagline {
  font-size: 0.875rem;
  opacity: 0.8;
  margin-bottom: var(--spacing-md);
}

.footer__copyright {
  font-size: 0.875rem;
  opacity: 0.6;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

/* レスポンシブ */
@media (max-width: 768px) {
  .hero__inner,
  .feature {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  /* スマホでは常に画像を上に */
  .feature--reverse .feature__visual {
    order: 0;
  }
  
  .hero__content {
    padding-right: 0;
  }
  
  .hero__cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .section {
    padding: var(--spacing-lg) 0;
  }
  
  .lp-header__switcher {
    flex-direction: column;
    align-items: flex-end;
    gap: 0.5rem;
  }
  
  .lp-header__label {
    display: none;
  }
}