/* yoga studio tsuki — 落ち着きモダン（墨色×月白） */

:root {
  --bg: #f7f5f1;
  --bg-alt: #eceae3;
  --sumi: #3c3a36;
  --gold: #b09a6a;
  --ink: #4a4843;
  --line: #ddd9d0;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 2;
  letter-spacing: 0.03em;
}

/* header */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 5vw;
}

.logo { font-family: "Cormorant Garamond", serif; font-size: 23px; font-weight: 500; color: var(--sumi); letter-spacing: 0.06em; }
.logo em { color: var(--gold); }

.nav { display: flex; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; margin-left: 22px; font-size: 13px; }
.nav a:hover { color: var(--gold); }

.nav-cta { border: 1px solid var(--gold); color: var(--gold) !important; padding: 8px 22px; border-radius: 999px; }

/* hero */
.hero {
  position: relative;
  text-align: center;
  padding: 110px 6vw 120px;
  overflow: hidden;
}

.moon {
  position: absolute;
  top: 46px;
  right: 12vw;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #fdfaf2, #e8ddc4);
  box-shadow: 0 0 60px rgba(176,154,106,0.45);
}

.hero-en { font-family: "Cormorant Garamond", serif; font-style: italic; font-size: 15px; letter-spacing: 0.25em; color: var(--gold); margin-bottom: 18px; }
.hero h2 { position: relative; font-size: clamp(28px, 4.6vw, 42px); font-weight: 700; color: var(--sumi); line-height: 1.7; margin-bottom: 18px; }
.hero-lead { margin-bottom: 34px; font-size: 15px; }

.hero-button {
  display: inline-block;
  background: var(--sumi);
  color: #f7f5f1;
  text-decoration: none;
  font-size: 14px;
  letter-spacing: 0.1em;
  padding: 15px 52px;
  border-radius: 999px;
  transition: 0.25s;
}

.hero-button:hover { background: var(--gold); }

/* sections */
.section { padding: 84px 5vw; max-width: 900px; margin: 0 auto; }
.section-alt { background: var(--bg-alt); max-width: none; }
.section-alt > * { max-width: 900px; margin-left: auto; margin-right: auto; }

.section-title {
  text-align: center;
  font-size: 23px;
  font-weight: 700;
  color: var(--sumi);
  letter-spacing: 0.14em;
  margin-bottom: 44px;
}
.section-title::after { content: ""; display: block; width: 30px; height: 1px; background: var(--gold); margin: 16px auto 0; }

.concept-text { text-align: center; }

/* lessons */
.lesson-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.lesson { background: var(--bg); border-radius: 4px; padding: 30px 32px; border-top: 2px solid var(--gold); }
.lesson-time { font-family: "Cormorant Garamond", serif; font-size: 14px; color: var(--gold); letter-spacing: 0.1em; }
.lesson h3 { font-size: 18px; font-weight: 700; color: var(--sumi); margin: 2px 0 8px; }
.lesson p:last-child { font-size: 14px; }

/* price */
.price-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }

.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 34px 26px;
  text-align: center;
  position: relative;
}

.price-card.is-main { border: 1px solid var(--gold); box-shadow: 0 10px 26px rgba(176,154,106,0.18); }

.price-badge {
  position: absolute;
  top: -13px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--gold);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 16px;
  border-radius: 999px;
  white-space: nowrap;
}

.price-card h3 { font-size: 16px; font-weight: 700; color: var(--sumi); margin-bottom: 8px; }
.price-num { font-family: "Cormorant Garamond", serif; font-size: 34px; color: var(--sumi); line-height: 1.3; margin-bottom: 8px; }
.price-num span { font-size: 14px; color: var(--ink); }
.price-card p:last-child { font-size: 13px; text-align: left; }

.price-note { text-align: center; margin-top: 28px; font-size: 13px; }

/* cta */
.cta { text-align: center; padding: 96px 5vw; background: var(--sumi); color: #f0ede6; }
.cta h2 { font-size: 26px; font-weight: 700; letter-spacing: 0.12em; margin-bottom: 14px; }

.cta-button {
  display: inline-block;
  background: #06c755;
  color: #fff;
  font-weight: 700;
  text-decoration: none;
  padding: 15px 48px;
  border-radius: 999px;
  margin-top: 26px;
  transition: 0.2s;
}

.cta-button:hover { transform: translateY(-2px); }
.cta-sub { margin-top: 26px; font-size: 13px; opacity: 0.75; }

/* footer */
.footer { text-align: center; padding: 28px; background: #2e2c29; color: #f0ede6; }
.footer p:first-child { font-family: "Cormorant Garamond", serif; letter-spacing: 0.1em; }
.footer-copy { font-size: 11px; opacity: 0.6; margin-top: 4px; }

/* mobile */
@media (max-width: 760px) {
  .header { flex-direction: column; gap: 10px; }
  .nav a { margin: 0 9px; font-size: 12px; }
  .hero { padding: 80px 6vw 90px; }
  .moon { width: 90px; height: 90px; right: 6vw; top: 24px; }
  .lesson-grid { grid-template-columns: 1fr; }
  .price-cards { grid-template-columns: 1fr; gap: 30px; }
  .section { padding: 56px 6vw; }
}