:root { --line:#ddd; }
    table{width:100%;border-collapse:collapse;margin:1rem 0}
    th,td{border:1px solid var(--line);padding:.6rem .7rem;vertical-align:top}
    th{background:#f7f7f8;text-align:left}
    .small{font-size:.95rem}
    .callout{border-left:4px solid #222;padding:.75rem 1rem;background:#fafafa}
    .em{font-weight:600}
    table col:first-child{width:30%}

    /* ===== タイランドプリビレッジ 各プラン用デザイン ===== */
    .minitable { width:100%; border-collapse:collapse; font-size:0.95rem; line-height:1.6; margin-top:1em; }
    .minitable th, .minitable td { border:1px solid #ccc; padding:10px; vertical-align:top; }
    .minitable th { background-color:#f9f9f9; text-align:left; }
    .minitable .plan-header { color:#fff; text-align:left; font-size:1rem; font-weight:bold; padding:10px 12px; }
    .bronze { background-color:#b87333; }
    .gold { background-color:#d4af37; }
    .platinum { background-color:#708090; }
    .diamond { background-color:#5ba4cf; }
    .reserve { background-color:#3b3b3b; }
    .minitable th:not(.plan-header) { background-color:#f9f9f9; text-align:left; }
    .minitable th.plan-header { color:#fff !important; background:transparent; }
    .minitable th.plan-header.bronze  { background-color:#b87333 !important; }
    .minitable th.plan-header.gold    { background-color:#d4af37 !important; }
    .minitable th.plan-header.platinum{ background-color:#708090 !important; }
    .minitable th.plan-header.diamond { background-color:#5ba4cf !important; }
    .minitable th.plan-header.reserve { background-color:#3b3b3b !important; }
    .minitable th:first-child { width:25%; min-width:180px; background-color:#f9f9f9; }
    .minitable td { width:75%; }

    @media (prefers-color-scheme: dark){
      :root{--fg:#e5e7eb;--muted:#9ca3af;--line:rgba(156,163,175,.35)}
      body{background:#0b0e14;color:var(--fg)}
      th{background:#121720}
      .callout{background:#0f131c;border-left-color:#6aa2ff}
    }

    @media screen and (max-width:768px){
      .minitable,.minitable tbody,.minitable tr,.minitable th,.minitable td{display:block;width:100%}
      .minitable th{border:none;background:none;font-weight:bold;padding:.4rem 0}
      .minitable td{border:none;padding:.3rem 0 .6rem}
    }

    /* ===== 豪華スキン適用（#top以降） ===== */
    .lux-skin{
      --lux-gold:#d4af37;--lux-blue:#4aa3d6;
      background:linear-gradient(180deg,#fcfcfe 0%,#f8fafc 40%,#f6f7fb 100%),
                 radial-gradient(1200px 500px at 50% -6%,rgba(212,175,55,.16),transparent 60%),
                 radial-gradient(1000px 400px at 100% 10%,rgba(91,164,207,.13),transparent 65%);
      position:relative;isolation:isolate;padding:28px min(4vw,28px);
    }
    .lux-skin::before{
      content:"";position:absolute;inset:0;z-index:-1;
      background:radial-gradient(600px 180px at 10% 0%,rgba(212,175,55,.20),transparent 70%),
                 radial-gradient(800px 220px at 90% 0%,rgba(74,163,214,.14),transparent 70%);
      filter:blur(2px);
    }
    .lux-skin section{
      background:rgba(255,255,255,.8);
      border:1px solid rgba(10,18,34,.08);
      box-shadow:0 20px 40px rgba(10,18,34,.1),0 2px 8px rgba(10,18,34,.06);
      border-radius:18px;
      padding:clamp(18px,2.8vw,28px);
      margin:clamp(16px,2vw,24px) auto;
      backdrop-filter:blur(6px);
    }
    .lux-skin h1#page-h{
      font-size:clamp(1.2rem,3vw,2.2rem);
      background:linear-gradient(90deg,#0c1320,#b68c1b);
      -webkit-background-clip:text;background-clip:text;color:transparent;
      margin-bottom:.8rem;position:relative;
    }
    .lux-skin h1#page-h::after{
      content:"";display:block;height:3px;width:120px;
      background:linear-gradient(90deg,#d4af37,transparent);
      border-radius:3px;margin-top:.6rem;
    }
    .lux-skin h2{
      border-left:6px solid #d4af37;padding-left:.6rem;
      font-size:clamp(1.25rem,2.4vw,1.6rem);margin:0 0 .75rem;
    }
    .lux-divider{
      height:14px;margin:20px auto;
      background:linear-gradient(90deg,transparent,rgba(212,175,55,.6),transparent);
      border-radius:999px;opacity:.8;
    }
    .lux-skin .minitable{
      border-radius:16px;overflow:hidden;
      box-shadow:0 20px 40px rgba(10,18,34,.1);
      background:linear-gradient(180deg,rgba(255,255,255,.75),rgba(255,255,255,.85));
    }
    /* ▲戻るボタン */
.back-to-top {
  position: fixed;
  right: clamp(12px,2vw,20px);
  bottom: clamp(14px,2.2vw,24px);
  width: 26px;
  height: 35px;
  border-radius: 10px; /* ←角丸四角 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: #111;
  font-weight: 700;
  font-size: 1rem;
  background: linear-gradient(145deg,#f6e27a,#d4af37);
  border: 1px solid rgba(212,175,55,.45);
  box-shadow:
    0 3px 8px rgba(0,0,0,.15),
    inset 0 1px 3px rgba(255,255,255,.8);
  backdrop-filter: blur(6px);
  transition: all .25s ease;
}

/* ホバー時：ふわっと浮く */
.back-to-top:hover {
  transform: translateY(-3px);
  box-shadow:
    0 6px 16px rgba(0,0,0,.25),
    inset 0 1px 3px rgba(255,255,255,.9);
}

/* クリック時：軽く沈む */
.back-to-top:active {
  transform: scale(.95);
  box-shadow:
    inset 0 2px 6px rgba(0,0,0,.2);
}

/* ▲をCSSで描く（HTML側には何も書かない） */
.back-to-top::before {
  content: "▲";
  font-size: 1rem;
  color: #111;
}

/* ダークモード調整 */
@media (prefers-color-scheme: dark) {
  .back-to-top {
    background: linear-gradient(145deg,#9b7f1d,#c8ad55);
    color: #fafafa;
    border-color: rgba(212,175,55,.4);
  }
  .back-to-top::before { color: #fafafa; }
}
    /* チェックボックスベース（見た目リセット） */
.cb {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: 16px;
  line-height: 1.2;
}

/* 実際の input は非表示にして見た目は隣の .cb__box に任せる */
.cb__input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* チェックリストボックス */
/* ===== Checkbox (Sabaijai) ===== */
:root{
  --cb-size: 26px;           /* ボックスの大きさ */
  --cb-radius: 4px;          /* 角の丸み */
  --cb-border: #000;         /* 枠線色（ライト） */
  --cb-accent: #16a34a;      /* チェック色（緑） */
  --cb-focus: rgba(22,163,74,.25); /* フォーカスリング */
}

.cb{
  display:inline-flex;
  align-items:center;
  gap:10px;
  line-height:1.3;
  margin:.2rem 0;
}

/* 実 input は視覚的に隠す（キーボード操作・スクリーンリーダーは可） */
.cb__input{
  position:absolute;
  inline-size:1px;
  block-size:1px;
  margin:-1px;
  padding:0;
  border:0;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  overflow:hidden;
  white-space:nowrap;
}

/* 見た目の箱 */
.cb__box{
  position:relative;
  flex:0 0 var(--cb-size);
  inline-size:var(--cb-size);
  block-size:var(--cb-size);
  border:1px solid var(--cb-border);
  border-radius:var(--cb-radius);
  background:#fff;
  box-sizing:border-box;
  transition:border-color .15s ease, box-shadow .15s ease, background-color .15s ease;
}

/* 太い緑のチェックマーク（擬似要素で描画） */
.cb__box::after{
  content:"";
  position:absolute;
  inset:auto;
  left:50%;
  top:48%;
  width:4px;                 /* ✔ の短辺 */
  height:18px;               /* ✔ の長辺 */
  border-right:2px solid var(--cb-accent);
  border-bottom:3px solid var(--cb-accent);
  transform:translate(-50%,-50%) rotate(45deg) scale(0.6);
  opacity:0;
  transition:opacity .12s ease, transform .12s ease;
}

.cb__input:checked + .cb__box{
  border-color:var(--cb-accent);
  background:#fff;
}
.cb__input:checked + .cb__box::after{
  opacity:1;
  transform:translate(-50%,-50%) rotate(45deg) scale(1);
}

/* フォーカスリング（キーボード操作で分かるように） */
.cb__input:focus-visible + .cb__box{
  box-shadow:0 0 0 4px var(--cb-focus);
}

.cb__label{
  font-weight:700;
  font-size:1.05rem;
}

/* サブラベルが必要な場合 */
.cb__sub{
  display:block;
  font-weight:400;
  font-size:.95rem;
  color:#555;
}

/* ダークモード */
@media (prefers-color-scheme: dark){
  :root{ --cb-border: #e5e7eb; }
  .cb__box{ background:#0d1117; }
  .cb__sub{ color:#9ca3af; }
}