:root {
  --bg: #fffaf4;
  --card: #ffffff;
  --ink: #3a2f2a;
  --muted: #7a6b62;
  --accent: #e8737f;
  --accent-dark: #c9505d;
  --soft: #fde9e4;
  --line: #f0e2d8;
  --green: #5f9e86;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
  font-size: 17px;
}
a { color: var(--accent-dark); }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 16px; }

/* 上の帯 */
header {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 250, 244, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
header .wrap { display: flex; align-items: center; gap: 16px; height: 60px; }
.logo { font-weight: 700; font-size: 20px; text-decoration: none; color: var(--ink); white-space: nowrap; }
.logo span { color: var(--accent); }
nav { display: flex; gap: 18px; margin-left: auto; }
nav a { text-decoration: none; color: var(--muted); font-size: 15px; }
nav a:hover { color: var(--accent-dark); }
.logo + .lang { margin-left: auto; }
.lang { display: flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; flex-shrink: 0; }
.lang button {
  border: 0; background: transparent; padding: 6px 10px; cursor: pointer;
  font: inherit; font-size: 13px; color: var(--muted);
}
.lang button[aria-pressed="true"] { background: var(--accent); color: #fff; }
@media (max-width: 720px) {
  nav { display: none; }
  .lang { margin-left: auto; }
}

/* いちばん上 */
.hero { padding: 56px 0 40px; }
.hero .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; align-items: center; }
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.35; margin: 0 0 16px; }
.hero p.lead { font-size: 18px; margin: 0 0 24px; }
.hero img { width: 100%; max-width: 380px; justify-self: center; border-radius: 24px; }
.sub { color: var(--muted); font-size: 14px; margin-top: 12px; }
@media (max-width: 720px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .hero img { max-width: 260px; order: -1; }
}

.btn {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  padding: 14px 28px; border-radius: 999px; font-weight: 700; font-size: 17px;
  box-shadow: 0 4px 0 var(--accent-dark);
}
.btn:hover { transform: translateY(1px); box-shadow: 0 3px 0 var(--accent-dark); }
.btn.ghost { background: #fff; color: var(--accent-dark); border: 2px solid var(--accent); box-shadow: none; }

section { padding: 48px 0; }
section h2 { font-size: 28px; margin: 0 0 24px; text-align: center; }
.alt { background: var(--soft); }

/* 動画 */
.video-box {
  aspect-ratio: 16 / 9; max-width: 720px; margin: 0 auto 24px;
  background: #2f2723; color: #fff; border-radius: 20px;
  display: grid; place-items: center; text-align: center; padding: 16px;
}
.video-box .play { font-size: 48px; opacity: .8; }
.video-text { max-width: 720px; margin: 0 auto; }

/* 4つの約束 */
.grid4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 20px;
}
.card .num {
  display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--accent); color: #fff; font-weight: 700; margin-bottom: 8px;
}
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; font-size: 15px; color: var(--muted); }

/* トライアル */
.trial { max-width: 720px; margin: 0 auto; text-align: center; }
.trial .name { font-size: 20px; font-weight: 700; color: var(--accent-dark); }
.steps { text-align: left; counter-reset: s; list-style: none; padding: 0; margin: 24px 0; }
.steps li { counter-increment: s; position: relative; padding: 12px 12px 12px 56px; background: #fff; border-radius: 14px; margin-bottom: 10px; border: 1px solid var(--line); }
.steps li::before {
  content: counter(s); position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: #fff;
  display: grid; place-items: center; font-weight: 700;
}
.note { color: var(--muted); font-size: 14px; }
.booking { width: 100%; height: 720px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }

.cats { display: flex; justify-content: center; gap: 12px; margin-top: 16px; }
.cats img { width: 72px; height: 72px; object-fit: cover; border-radius: 50%; border: 3px solid #fff; }

/* 会員 */
.members { text-align: center; max-width: 640px; margin: 0 auto; }

footer { text-align: center; padding: 32px 16px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); }