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

:root {
  --green:       #ff6893;
  --green-dark:  #c93d6a;
  --green-light: #fff1f5;
  --accent:      #ff9bb7;
  --bg:          #fff8fa;
  --white:       #ffffff;
  --text:        #3d3d3d;
  --text-light:  #999;
  --border:      #ffdde8;
  --radius:      12px;
  --shadow:      0 2px 12px rgba(255,104,147,0.08);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "メイリオ", meiryo, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  font-size: 24px;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ===== ヘッダー・ナビ ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 8px rgba(0,0,0,0.06);
}

.site-logo {
  font-size: 27px;
  font-weight: 700;
  color: var(--green-dark);
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.site-logo span {
  display: block;
  font-size: 17px;
  font-weight: 400;
  color: var(--text-light);
  letter-spacing: 0.12em;
}

.site-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}
.site-nav a {
  font-size: 20px;
  letter-spacing: 0.06em;
  color: var(--text);
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s;
}
.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--green);
  transition: width 0.25s;
}
.site-nav a:hover { color: var(--green-dark); }
.site-nav a:hover::after { width: 100%; }
.site-nav a.btn-reserve {
  background: var(--green);
  color: var(--white);
  padding: 8px 18px;
  border-radius: 20px;
  font-size: 20px;
  transition: background 0.2s;
}
.site-nav a.btn-reserve:hover { background: var(--green-dark); }
.site-nav a.btn-reserve::after { display: none; }

/* ハンバーガー（モバイル） */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 28px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== メインコンテンツ共通 ===== */
.page-hero {
  background: var(--green-light);
  text-align: center;
  padding: 56px 20px 48px;
  border-bottom: 1px solid var(--border);
}
.page-hero h1 {
  font-size: 42px;
  letter-spacing: 0.12em;
  color: var(--green-dark);
  margin-bottom: 8px;
}
.page-hero p {
  font-size: 21px;
  color: var(--text-light);
  letter-spacing: 0.1em;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 64px 0;
}
.section + .section {
  border-top: 1px solid var(--border);
}

.section-title {
  font-size: 33px;
  letter-spacing: 0.1em;
  color: #803e5c;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--green-light);
  position: relative;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 48px;
  height: 2px;
  background: var(--green);
}

/* ===== カード ===== */
.card {
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

/* ===== ボタン ===== */
.btn {
  display: inline-block;
  padding: 14px 36px;
  border-radius: 30px;
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}
.btn-primary {
  background: var(--green);
  color: var(--white);
}
.btn-primary:hover { background: var(--green-dark); }
.btn-outline {
  background: transparent;
  color: var(--green);
  border: 1.5px solid var(--green);
}
.btn-outline:hover { background: var(--green-light); }

/* ===== フッター ===== */
.site-footer {
  background: #4a2535;
  color: rgba(255,255,255,0.75);
  padding: 48px 24px 24px;
  margin-top: 80px;
}
.footer-inner {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.footer-logo {
  font-size: 26px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.footer-logo span {
  display: block;
  font-size: 17px;
  font-weight: 400;
  color: rgba(255,255,255,0.5);
  margin-top: 3px;
}
.footer-desc {
  font-size: 20px;
  line-height: 1.9;
}
.footer-nav-title {
  font-size: 18px;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 12px;
  text-transform: uppercase;
}
.footer-nav a {
  display: block;
  font-size: 20px;
  color: rgba(255,255,255,0.7);
  padding: 4px 0;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--white); }
.footer-copy {
  max-width: 960px;
  margin: 20px auto 0;
  font-size: 18px;
  color: rgba(255,255,255,0.35);
  text-align: center;
}

/* ===== レスポンシブ ===== */
@media (min-width: 769px) and (max-width: 1100px) {
  .site-header {
    flex-wrap: wrap;
    height: auto;
    padding: 14px 24px 12px;
    gap: 6px;
  }
  .site-logo {
    flex: 1 0 100%;
  }
  .site-nav {
    flex: 1 0 100%;
    gap: 16px;
    flex-wrap: wrap;
  }
  .site-nav a {
    font-size: 17px;
  }
  .site-nav a.btn-reserve {
    font-size: 17px;
    padding: 7px 14px;
  }
}

@media (max-width: 768px) {
  .site-header { padding: 0 20px; }

  .site-nav {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  }
  .site-nav.open { display: flex; }
  .site-nav a {
    padding: 16px 28px;
    border-bottom: 1px solid var(--border);
    width: 100%;
  }
  .site-nav a.btn-reserve {
    margin: 16px 28px;
    width: calc(100% - 56px);
    text-align: center;
    border-bottom: none;
    border-radius: 8px;
    padding: 12px;
  }
  .hamburger { display: flex; }

  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .page-hero h1 { font-size: 33px; }
  .section { padding: 48px 0; }
}