:root {
  --bg: #fffdf8;
  --ink: #423c39;
  --muted: #6b655f;
  --brand: #5aa6b1;      /* やわらかな水色 */
  --accent: #f2c6a0;     /* クリームオレンジ */
  --alt: #f6f3ea;        /* セクション交互背景 */
  --card: #ffffffcc;     /* 半透明ホワイト */
  --focus: #1f7a8c;
  --radius: 14px;
  --shadow: 0 6px 24px rgba(66,60,57,0.08);
}

* { box-sizing: border-box; }
html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Sans", "Noto Sans JP", "Yu Gothic", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.7;
}

:target {
  scroll-margin-top: 40px; 
}
@media screen and (max-width: 860px) {
  :target {
    scroll-margin-top: 40px;
}
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.container { width: min(1080px, 92%); margin: 0 auto; }

/* Skip link */
.skip-link {
  position: absolute; left: -999px; top: -999px;
}
.skip-link:focus {
  left: 12px; top: 12px; background: #fff; padding: 8px 12px; border-radius: 8px; box-shadow: var(--shadow);
}

/* Header */
.site-header {
  position: fixed;   /* 常に画面上部に固定 */
  top: 0;
  left: 0;
  width: 100%;
  background: #fff;
  border-bottom: 1px solid #eee;
  z-index: 1000;     /* コンテンツより前面に表示 */
}
.header-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink);
}
.brand-mark {
  height: 40px;   /* 縦のサイズを指定 */
  width: auto;    /* 横は縦に合わせて自動調整 */
  display: inline-block;
  vertical-align: middle; /* テキストと高さを揃える */
  margin-right: 2px;       /* テキストとの間隔 */
}
.brand-text { letter-spacing: 0.02em; }

/* Nav */
.site-nav ul {
  display: flex; gap: 24px; list-style: none; padding: 0; margin: 0;
}
.site-nav a {
  color: var(--ink); padding: 8px 10px; border-radius: 8px;
}
.site-nav a:hover { background: #f7f7f7; }

/* Hamburger */
.nav-toggle { display: none; }
.nav-toggle-label {
  display: none;
  width: 40px; height: 40; border-radius: 10px;
  justify-self: end; align-items: center; justify-content: center;
  gap: 2px; cursor: pointer; background: #fff; border: 1px solid #eee;
}
.nav-toggle-label .line {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
}
.nav-toggle-label .menu-text {
  font-size: 0.55rem;
  color: var(--ink);
  font-weight: 600;
  margin-top: 2px;
  line-height: 1;    
  margin-bottom: 6px;
}

@media (max-width: 860px) {
  .nav-toggle-label {
    display: flex;
    flex-direction: column; /* 縦並び */
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 40px;
    height: auto40;
    background: #fdea3e;
    border: 1px solid #eee;
    border-radius: 10px;
    padding-top: 8px; 
  }
  .site-nav {
    position: fixed;
    inset: 64px 0 0 0;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(6px);
    transform: translateY(-120%);
    transition: transform .28s ease;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .site-nav ul { flex-direction: column; gap: 8px; padding: 16px 20px; }
  .site-nav a { font-size: 1.05rem; padding: 12px; }
  .nav-toggle:checked ~ .site-nav { transform: translateY(0); }
  .header-inner { grid-template-columns: auto 1fr auto; }
}

body {
  padding-top: 70px; /* ヘッダーの高さ分だけ余白を追加 */
}

/* Hero */
.hero {
  background: linear-gradient(180deg, #eaf6f8 0%, #fffdf8 50%);
  padding: 40px 0 32px;
}
.hero-inner {
  display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; align-items: center;
}
.hero-visual {
  background: url("images/image.png") center/cover no-repeat;
  border-radius: 14px;
  min-height: 300px;
  box-shadow: 0 6px 24px rgba(66,60,57,0.08);
}
.hero-content .hero-title {
  font-size: clamp(1.6rem, 2.4vw + 1rem, 2.2rem);
  margin: 0 0 8px;
}

.hero-text.sp { display: none; }

@media (max-width: 768px) {
  .hero-text.pc { display: none; }
  .hero-text.sp { display: block; }
}

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 10px 16px; border-radius: 999px; border: 1px solid #ddd; color: var(--ink); background: #fff;
}
.btn.primary { background: var(--brand); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(0.95); }
@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero { padding: 28px 0; }
  .hero-visual { min-height: 220px; }
}

/* Sections */
.section { padding: 44px 0; }
.section.alt { background: var(--alt); }
.section-title { font-size: 1.6rem; margin: 0 0 16px; }

/* Grid & Card */
.grid.two { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 860px) {
  .grid.two, .grid.three { grid-template-columns: 1fr; }
}
.card {
  background: var(--card); border: 1px solid #eee; border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.card-title { margin-top: 0; font-size: 1.15rem; }

/* Lists & rows */
.list { padding-left: 1rem; }
.list-rows { display: grid; gap: 14px; }
.row { background: #fff; border: 1px solid #eee; border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.row-time { color: var(--muted); font-size: .95rem; }
.row-title { margin: 4px 0; font-size: 1.1rem; }
.row-text { color: var(--muted); }

/* Form */
.form { display: grid; gap: 12px; max-width: 640px; }
.form-row { display: grid; gap: 6px; }
input, textarea {
  width: 100%; padding: 10px 12px; border-radius: 10px; border: 1px solid #ddd; font: inherit; background: #fff;
}
input:focus, textarea:focus, .btn:focus, a:focus {
  outline: 3px solid var(--focus); outline-offset: 2px;
}

/* Social */
.social { margin-top: 12px; display: flex; gap: 12px; }


#back-to-top {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: lch(96.1% 95.76 101.84);   /* ブランドカラー */
  color: #fff;
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 20px;
  cursor: pointer;
  display: none; /* 初期は非表示 */
  z-index: 9999; /* 常に前面に表示 */
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);

  /* アイコンを中央に配置 */
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;   /* 内側余白をゼロにしてずれ防止 */
}

/* スマホ用に少し小さめに */
@media (max-width: 768px) {
  #back-to-top {
    width: 45px;
    height: 45px;
    font-size: 22px;   /* アイコンサイズ調整 */
    bottom: 16px;
    right: 16px;

    /* 中央寄せはそのまま維持 */
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

css
.social {
  display: flex;
  gap: 16px; /* QR同士の間隔 */
}

.social .qr-icon {
  width: 120px;   /* QRコードの大きさ */
  height: auto;   /* 縦横比を維持 */
  border-radius: 8px; /* 角を少し丸めると柔らかい印象 */
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.instagram-qr {
  width: 120px; /* Instagramだけサイズを固定 */
}

button {
  background: linear-gradient(135deg, #ff9a9e, #fad0c4); /* ピンク系グラデーション */
  color: #fff;
  font-size: 16px;
  font-weight: bold;
  padding: 2px 20px;
  border: none;
  border-radius: 25px; /* 丸みを強調 */
  cursor: pointer;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2); /* ふんわり影 */
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:hover {
  transform: translateY(-2px); /* 少し浮く */
  box-shadow: 0 6px 12px rgba(0,0,0,0.3);
}

.row-title {
  margin-bottom: 0.3em;   /* h3の下余白を小さくする *
  line-height: 1.3;       /* 行間を少し狭める *
}

.row-text {
  margin-top: 0.2em;      /* pの上余白を小さくする */
  line-height: 1.5;       /* 読みやすさを保ちつつ調整 */
}

/* 予約表 */
.reservation-table {
  margin-top: 1em;
  background-color: #fef9f5;
  padding: 1em;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.table-title {
  font-size: 1.2em;
  margin-bottom: 0.5em;
  color: #d2691e;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th, td {
  border: 1px solid #ddd;
  padding: 0.6em;
  text-align: center;
}

th {
  background-color: #fff2e6;
  color: #a0522d;
}

/* Calendar */
.calendar-header {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.cal-btn {
  background: #d6e7ff;
  border: none;
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1rem;
}

.month-title {
  font-size: 1.6rem;
  color: #444;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  background: #e8f1ff;
  padding: 8px;
  border-radius: 10px;
}

.day-name {
  text-align: center;
  font-weight: bold;
  padding: 6px 0;
  background: #d6e7ff;
  border-radius: 6px;
  color: #333;
}

.day {
  min-height: 70px;
  background: #fff;
  border-radius: 6px;
  padding: 6px;
  font-size: 0.9rem;
  position: relative;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.day.event {
  border-left: 4px solid #7bb8ff;
}

.day .date {
  font-weight: bold;
  color: #333;
}

.event-title {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  color: #2a6bbf;
  font-weight: 600;
}

.day.empty {
  background: transparent;
  box-shadow: none;
}

/* スマホ */
@media (max-width: 480px) {
  .day {
    min-height: 55px;
    padding: 4px;
  }
  .event-title {
    font-size: 0.7rem;
  }
}