/* ===== BASIS 千里丘教室 ===== */
:root {
  --ink: #0e0b14;
  --ink-2: #17121f;
  --ink-3: #221a2e;
  --paper: #f6f3ee;
  --paper-2: #ece6dd;
  --white: #ffffff;
  --text: #17121f;
  --text-sub: #5d5566;
  --on-dark: #f4eff8;
  --on-dark-sub: #b3a9bf;
  --pink: #ff3d8b;
  --pink-deep: #e0206f;
  --lilac: #b49cff;
  --lime: #d8ff3d;
  --line: #06c755;
  --radius: 18px;
  --display: 'Anton', 'Zen Kaku Gothic New', sans-serif;
  --heading: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', sans-serif;
  --body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--body);
  background: var(--paper);
  color: var(--text);
  line-height: 1.8;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; display: block; }
.container { width: 100%; max-width: 1160px; margin: 0 auto; padding: 0 24px; }
section { padding: 112px 0; position: relative; overflow-x: clip; }
.dark { background: var(--ink); color: var(--on-dark); }

/* ---------- type ---------- */
.eyebrow {
  font-family: var(--display);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  color: var(--pink);
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-transform: uppercase;
}
.eyebrow::before { content: ''; width: 28px; height: 2px; background: currentColor; }
.h2 {
  font-family: var(--heading);
  font-weight: 900;
  font-size: clamp(1.9rem, 4.6vw, 3.2rem);
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin: 18px 0 20px;
}
.h2 .hl { color: var(--pink); }
.nw { display: inline-block; }
.lead { font-size: 1rem; color: var(--text-sub); max-width: 640px; }
.dark .lead { color: var(--on-dark-sub); }
.center { text-align: center; }
.center .lead { margin: 0 auto; }
.ghost-word {
  position: absolute;
  font-family: var(--display);
  font-size: clamp(5rem, 16vw, 15rem);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px rgba(23, 18, 31, 0.08);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}
.dark .ghost-word { -webkit-text-stroke-color: rgba(244, 239, 248, 0.07); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 30px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn-pink { background: var(--pink); color: #fff; box-shadow: 0 10px 30px rgba(255, 61, 139, 0.35); }
.btn-pink:hover { background: var(--pink-deep); }
.btn-line { background: var(--line); color: #fff; box-shadow: 0 10px 30px rgba(6, 199, 85, 0.25); }
.btn-ghost { border: 1.5px solid currentColor; }
.btn .arrow { font-family: var(--display); font-size: 1.1em; }

/* ---------- header ---------- */
#header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background 0.3s, padding 0.3s;
  padding: 18px 0;
  color: var(--on-dark);
}
#header.scrolled { background: rgba(14, 11, 20, 0.88); backdrop-filter: blur(12px); padding: 10px 0; }
#header .inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: flex; align-items: baseline; gap: 10px; white-space: nowrap; }
.logo-en { font-family: var(--display); font-size: 1.6rem; letter-spacing: 0.08em; }
.logo-ja { font-family: var(--heading); font-weight: 700; font-size: 0.8rem; color: var(--pink); letter-spacing: 0.1em; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { font-size: 0.82rem; font-weight: 500; white-space: nowrap; opacity: 0.85; }
.nav a:hover { opacity: 1; color: var(--pink); }
.nav .btn { padding: 10px 20px; font-size: 0.8rem; opacity: 1; }
.nav .btn:hover { color: #fff; }
.burger { display: none; width: 44px; height: 44px; border: 0; background: none; color: inherit; cursor: pointer; position: relative; }
.burger span { position: absolute; left: 10px; right: 10px; height: 2px; background: currentColor; transition: 0.3s; }
.burger span:nth-child(1) { top: 15px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 27px; }
.menu-open .burger span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.menu-open .burger span:nth-child(2) { opacity: 0; }
.menu-open .burger span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--ink);
  color: var(--on-dark);
  padding: 96px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transform: translateY(-100%);
  transition: transform 0.4s cubic-bezier(.7,0,.2,1);
  overflow-y: auto;
}
.menu-open .drawer { transform: none; }
.drawer a.dl { font-family: var(--heading); font-weight: 700; font-size: 1.3rem; padding: 12px 0; border-bottom: 1px solid var(--ink-3); display: flex; justify-content: space-between; align-items: center; }
.drawer a.dl small { font-family: var(--display); font-size: 0.8rem; letter-spacing: 0.15em; color: var(--pink); font-weight: 400; }
.drawer .btns { display: grid; gap: 12px; margin-top: 28px; }

/* ---------- hero ---------- */
#hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 110px 0 56px;
  color: var(--on-dark);
  background: var(--ink);
  overflow: hidden;
}
.hero-media { position: absolute; inset: 0; }
.hero-media video, .hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(14,11,20,0.55) 0%, rgba(14,11,20,0.25) 35%, rgba(14,11,20,0.92) 100%),
    linear-gradient(90deg, rgba(14,11,20,0.75) 0%, rgba(14,11,20,0) 70%);
}
.hero-content { position: relative; z-index: 1; }
.hero-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  padding: 6px 14px;
  border: 1px solid rgba(244,239,248,0.4);
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero-en {
  font-family: var(--display);
  font-size: clamp(3.4rem, min(11vw, 13vh), 8.6rem);
  line-height: 0.92;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.hero-en .outline { color: transparent; -webkit-text-stroke: 2px var(--on-dark); }
.hero-en .pink { color: var(--pink); }
.hero-ja {
  font-family: var(--heading);
  font-weight: 900;
  font-size: clamp(1.5rem, min(4.2vw, 5vh), 2.6rem);
  line-height: 1.35;
  margin: 18px 0 12px;
}
.hero-sub { font-size: clamp(0.92rem, 1.6vw, 1.05rem); color: var(--on-dark-sub); max-width: 560px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 24px; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(6px);
  padding: 10px 16px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
}
.badge b { font-family: var(--display); font-weight: 400; font-size: 1.35rem; color: var(--lime); line-height: 1; letter-spacing: 0.02em; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.scroll-cue {
  position: absolute;
  right: 24px;
  bottom: 72px;
  z-index: 1;
  writing-mode: vertical-rl;
  font-family: var(--display);
  letter-spacing: 0.3em;
  font-size: 0.75rem;
  color: var(--on-dark-sub);
  display: flex;
  align-items: center;
  gap: 12px;
}
.scroll-cue::after { content: ''; width: 1px; height: 64px; background: linear-gradient(var(--on-dark-sub), transparent); }

/* ---------- marquee ---------- */
.marquee { background: var(--pink); color: #fff; overflow: hidden; padding: 16px 0; }
.marquee-track { display: flex; width: max-content; animation: marquee 32s linear infinite; }
.marquee-track span {
  font-family: var(--display);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  padding: 0 28px;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 28px;
}
.marquee-track span::after { content: '✦'; font-size: 0.9rem; }
.marquee-track .ja { font-family: var(--heading); font-weight: 900; font-size: 1.2rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- concept ---------- */
#concept .ghost-word { top: 40px; right: -20px; }
.concept-head { max-width: 760px; position: relative; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 56px; counter-reset: p; }
.pillar {
  background: var(--white);
  border-radius: var(--radius);
  padding: 36px 30px 34px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--paper-2);
}
.pillar-num { font-family: var(--display); font-size: 3.4rem; line-height: 1; color: var(--pink); }
.pillar-en { font-family: var(--display); letter-spacing: 0.14em; font-size: 0.8rem; color: var(--text-sub); margin-top: 10px; }
.pillar h3 { font-family: var(--heading); font-weight: 900; font-size: 1.3rem; margin: 6px 0 12px; }
.pillar p { font-size: 0.9rem; color: var(--text-sub); }
.pillar::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--pink), var(--lilac));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s;
}
.pillar:hover::after { transform: scaleX(1); }
.concept-note {
  margin-top: 28px;
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-family: var(--heading);
  font-weight: 700;
  font-size: 1.05rem;
}
.concept-note .flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.concept-note .flow span { background: var(--ink); color: var(--on-dark); padding: 6px 14px; border-radius: 999px; font-size: 0.85rem; }
.concept-note .flow i { font-style: normal; color: var(--pink); font-family: var(--display); }

/* ---------- numbers ---------- */
.numbers { background: var(--ink); color: var(--on-dark); padding: 72px 0; }
.numbers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.num { padding: 8px 24px; border-left: 1px solid var(--ink-3); }
.num:first-child { border-left: 0; padding-left: 0; }
.num-val { font-family: var(--display); font-size: clamp(2.6rem, 6vw, 4.4rem); line-height: 1; }
.num-val small { font-size: 0.45em; margin-left: 4px; color: var(--pink); }
.num-label { font-size: 0.85rem; color: var(--on-dark-sub); margin-top: 10px; }

/* ---------- trust ---------- */
#trust { background: var(--ink-2); }
#trust .ghost-word { top: 24px; right: -40px; }
.trust-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 52px; }
.trust-card {
  border: 1px solid var(--ink-3);
  background: linear-gradient(160deg, rgba(255,61,139,0.10), rgba(180,156,255,0.04) 60%, transparent);
  border-radius: var(--radius);
  padding: 32px 28px;
}
.trust-val { font-family: var(--display); font-size: 3.4rem; line-height: 1; color: var(--pink); }
.trust-val small { font-family: var(--heading); font-weight: 900; font-size: 1rem; margin-left: 6px; color: var(--on-dark); }
.trust-card h3 { font-family: var(--heading); font-weight: 900; font-size: 1.2rem; margin: 16px 0 8px; }
.trust-card p { font-size: 0.88rem; color: var(--on-dark-sub); }

/* ---------- one ticket ---------- */
.ticket-head { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: center; }
.ticket-visual { display: flex; justify-content: center; }
.ticket {
  position: relative;
  width: 100%;
  max-width: 340px;
  aspect-ratio: 16 / 10;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--pink), #8a3dff);
  color: #fff;
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: rotate(-4deg);
  box-shadow: 0 24px 60px rgba(255, 61, 139, 0.35);
  -webkit-mask: radial-gradient(circle 14px at 0 50%, transparent 98%, #000) left / 51% 100% no-repeat,
                radial-gradient(circle 14px at 100% 50%, transparent 98%, #000) right / 51% 100% no-repeat;
          mask: radial-gradient(circle 14px at 0 50%, transparent 98%, #000) left / 51% 100% no-repeat,
                radial-gradient(circle 14px at 100% 50%, transparent 98%, #000) right / 51% 100% no-repeat;
}
.ticket-en { font-family: var(--display); letter-spacing: 0.24em; font-size: 0.8rem; opacity: 0.85; }
.ticket-big { font-family: var(--display); font-size: 2.8rem; line-height: 0.95; }
.ticket-sub { font-family: var(--heading); font-weight: 900; font-size: 0.9rem; background: var(--lime); color: var(--ink); align-self: flex-start; padding: 4px 12px; border-radius: 999px; }
.studio-list { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 52px; }
.studio-list li { position: relative; }
.studio-list a {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas: "name days" "area go";
  gap: 4px 12px;
  align-items: center;
  height: 100%;
  background: var(--ink-2);
  border: 1px solid var(--ink-3);
  border-radius: 14px;
  padding: 16px 18px;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.studio-list a:hover { border-color: var(--pink); transform: translateY(-2px); }
.studio-name { grid-area: name; font-family: var(--heading); font-weight: 900; font-size: 1rem; }
.studio-area { grid-area: area; font-size: 0.78rem; color: var(--on-dark-sub); }
.studio-days { grid-area: days; justify-self: end; font-size: 0.75rem; font-weight: 700; padding: 4px 10px; border-radius: 999px; background: var(--ink-3); white-space: nowrap; }
.studio-go { grid-area: go; justify-self: end; font-size: 0.75rem; font-weight: 700; color: var(--pink); white-space: nowrap; }
.studio-list li.here a { border-color: var(--pink); background: rgba(255, 61, 139, 0.12); }
.here-tag { position: absolute; top: -10px; right: 14px; font-size: 0.68rem; font-weight: 700; background: var(--pink); color: #fff; padding: 2px 10px; border-radius: 999px; }
.studio-more { margin-top: 24px; font-size: 0.85rem; color: var(--on-dark-sub); text-align: center; }
.studio-more a { color: var(--on-dark); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- beginner ---------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.photo-stack { position: relative; }
.photo-stack .main { border-radius: var(--radius); width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 78%; }
.photo-stack .sticker {
  position: absolute;
  right: -18px;
  bottom: 28px;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--heading);
  font-weight: 900;
  font-size: 0.85rem;
  line-height: 1.3;
  transform: rotate(-10deg);
  box-shadow: 0 12px 30px rgba(0,0,0,0.2);
}
.photo-stack .sticker b { display: block; font-family: var(--display); font-weight: 400; font-size: 2.4rem; line-height: 1; }
.checks { display: grid; gap: 14px; margin-top: 30px; }
.check {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 16px;
  align-items: start;
  background: var(--white);
  border-radius: 14px;
  padding: 18px 20px;
  border: 1px solid var(--paper-2);
}
.check-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--pink);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 1.1rem;
}
.check h3 { font-family: var(--heading); font-weight: 900; font-size: 1.02rem; }
.check p { font-size: 0.86rem; color: var(--text-sub); line-height: 1.7; }

/* ---------- classes ---------- */
#classes .ghost-word { top: 30px; left: -10px; }
.class-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 56px; }
.class-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4 / 5;
  background: var(--ink-3);
  isolation: isolate;
}
.class-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; z-index: -2; }
.class-card:hover img { transform: scale(1.05); }
.class-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14,11,20,0) 35%, rgba(14,11,20,0.92) 100%);
  z-index: -1;
}
.class-card.no-photo { background: linear-gradient(140deg, #3a1e5c, var(--pink-deep)); }
.class-card.no-photo::before { background: none; }
.class-body { position: absolute; left: 0; right: 0; bottom: 0; padding: 24px; }
.class-name { font-family: var(--display); font-size: 2.2rem; line-height: 1; letter-spacing: 0.02em; }
.class-ja { font-family: var(--heading); font-weight: 700; font-size: 0.9rem; margin-top: 6px; }
.class-meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
.class-meta span { font-size: 0.72rem; font-weight: 500; padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.2); }
.class-meta span.age { background: var(--lime); color: var(--ink); border-color: var(--lime); font-weight: 700; }

.yt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 7px 14px 7px 10px;
  border-radius: 999px;
  background: #ff0033;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  transition: transform 0.2s, background 0.2s;
}
.yt-btn:hover { background: #d9002b; transform: translateY(-2px); }
.yt-btn svg { width: 18px; height: 18px; fill: currentColor; flex: none; }

/* ---------- schedule ---------- */
.week { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 32px; }
.day {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--paper-2);
  overflow: hidden;
}
.day-head { background: var(--ink); color: var(--on-dark); padding: 16px 20px; display: flex; align-items: baseline; justify-content: space-between; }
.day-head .en { font-family: var(--display); font-size: 1.6rem; letter-spacing: 0.06em; }
.day-head .ja { font-family: var(--heading); font-weight: 700; font-size: 0.85rem; color: var(--on-dark-sub); }
.day ul { list-style: none; }
.day li { border-top: 1px solid var(--paper-2); }
.day li:first-child { border-top: 0; }
.day li a { display: block; padding: 14px 20px; position: relative; transition: background 0.2s; }
.day li a:hover { background: #fff2f7; }
.slot-go { position: absolute; right: 16px; bottom: 14px; font-size: 0.72rem; font-weight: 700; color: var(--pink); }
.sch-howto {
  max-width: 760px;
  margin: 32px auto 0;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--white);
  border: 2px dashed var(--pink);
  border-radius: var(--radius);
  padding: 16px 22px;
  font-size: 0.88rem;
  line-height: 1.7;
}
.sch-howto strong { font-weight: 700; }
.sch-howto-icon {
  flex: none;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
}
.slot-time { font-family: var(--display); font-size: 1.05rem; letter-spacing: 0.03em; }
.slot-class { font-weight: 700; font-size: 0.9rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.slot-teacher { font-size: 0.75rem; color: var(--text-sub); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex: none; }
.dot.kids { background: var(--lime); box-shadow: 0 0 0 1px #9bb800; }
.dot.kpop { background: var(--pink); }
.dot.hiphop { background: #7c5cff; }
.dot.lock { background: #ff9d2e; }
.dot.adult { background: var(--ink); }
.legend { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 20px; font-size: 0.8rem; color: var(--text-sub); justify-content: center; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.sch-note { font-size: 0.8rem; color: var(--text-sub); text-align: center; margin-top: 12px; }
.sch-cta { text-align: center; margin-top: 36px; }

/* ---------- instructors ---------- */
.inst-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; margin-top: 56px; align-items: start; }
.inst { background: var(--ink-2); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--ink-3); display: flex; flex-direction: column; transition: border-color 0.2s; }
.inst.open { border-color: var(--pink); }
.inst-btn {
  display: block;
  width: 100%;
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.inst-btn:focus-visible { outline: 2px solid var(--pink); outline-offset: -2px; }
.inst img { width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 20%; transition: transform 0.5s; }
.inst-btn:hover img { transform: scale(1.03); }
.inst-head { display: block; padding: 18px 18px 14px; position: relative; background: var(--ink-2); }
.inst-name { display: block; font-family: var(--display); font-size: 1.7rem; letter-spacing: 0.05em; line-height: 1; }
.inst-genre { display: block; font-size: 0.72rem; color: var(--pink); font-weight: 700; margin: 8px 0 12px; }
.inst-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--ink-3);
  background: var(--ink-3);
}
.inst-cta::after { content: '+'; font-family: var(--display); font-size: 1rem; line-height: 1; color: var(--pink); transition: transform 0.25s; }
.inst.open .inst-cta { background: var(--pink); border-color: var(--pink); }
.inst.open .inst-cta::after { transform: rotate(45deg); color: #fff; }
.inst-classes { padding: 0 12px 10px; }
.inst-classes ul { list-style: none; display: grid; gap: 6px; }
.inst-classes a {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--paper);
  color: var(--text);
  font-size: 0.8rem;
  font-weight: 700;
  transition: background 0.2s;
}
.inst-classes a:hover { background: var(--lime); }
.inst-classes b { font-family: var(--heading); font-weight: 900; background: var(--ink); color: #fff; width: 24px; height: 24px; border-radius: 6px; display: grid; place-items: center; font-size: 0.75rem; }
.inst-classes span { font-family: var(--display); font-weight: 400; font-size: 0.9rem; letter-spacing: 0.02em; }
.inst-bio { padding: 4px 18px 22px; font-size: 0.78rem; color: var(--on-dark-sub); line-height: 1.75; }
.inst-hint { margin-top: 20px; font-size: 0.8rem; color: var(--on-dark-sub); text-align: center; }

/* ---------- stage ---------- */
.stage { padding: 0; background: var(--ink); color: var(--on-dark); }
.stage-inner { position: relative; min-height: 560px; display: flex; align-items: flex-end; overflow: hidden; }
.stage-inner > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.stage-inner::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(14,11,20,0.9) 0%, rgba(14,11,20,0.35) 65%, rgba(14,11,20,0.2) 100%); }
.stage-copy { position: relative; z-index: 1; padding: 96px 0; max-width: 560px; }

/* ---------- price ---------- */
.price-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 56px; max-width: 920px; margin-left: auto; margin-right: auto; }
.price-card { background: var(--white); border-radius: var(--radius); border: 1px solid var(--paper-2); padding: 34px 32px; }
.price-card.featured { background: var(--ink); color: var(--on-dark); border-color: var(--ink); }
.price-card h3 { font-family: var(--heading); font-weight: 900; font-size: 1.25rem; }
.price-card .for { font-size: 0.8rem; color: var(--text-sub); margin-bottom: 18px; }
.price-card.featured .for { color: var(--on-dark-sub); }
.price-row { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0; border-top: 1px solid var(--paper-2); font-size: 0.9rem; gap: 12px; }
.price-card.featured .price-row { border-color: var(--ink-3); }
.price-row b { font-family: var(--display); font-weight: 400; font-size: 1.5rem; letter-spacing: 0.02em; white-space: nowrap; }
.price-row b small { font-family: var(--body); font-size: 0.72rem; margin-left: 4px; color: var(--text-sub); }
.price-card.featured .price-row b small { color: var(--on-dark-sub); }
.price-row.unlimited { color: var(--pink); font-weight: 700; }
.fees { max-width: 920px; margin: 20px auto 0; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fee { background: var(--white); border: 1px solid var(--paper-2); border-radius: var(--radius); padding: 22px 28px; }
.fee-campaign { background: var(--lime); border-color: var(--lime); }
.fee-label { font-family: var(--heading); font-weight: 900; font-size: 1rem; }
.fee-val { margin: 4px 0 6px; font-family: var(--heading); font-weight: 700; display: flex; align-items: baseline; gap: 12px; }
.fee-val s { opacity: 0.55; }
.fee-val .big { font-family: var(--display); font-weight: 400; font-size: 2.2rem; line-height: 1.1; letter-spacing: 0.02em; }
.fee-note { font-size: 0.78rem; color: var(--text-sub); line-height: 1.6; }
.fee-campaign .fee-note { color: var(--ink); font-weight: 700; }

/* ---------- trial ---------- */
#trial { background: var(--pink); color: #fff; overflow: hidden; }
#trial .ghost-word { -webkit-text-stroke-color: rgba(255,255,255,0.22); bottom: -20px; right: -20px; }
#trial .eyebrow { color: var(--ink); }
#trial .lead { color: rgba(255,255,255,0.9); }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 48px 0 40px; position: relative; }
.step { background: var(--white); color: var(--text); border-radius: var(--radius); padding: 26px 24px; box-shadow: 0 12px 32px rgba(120, 0, 50, 0.18); }
.step-num { font-family: var(--display); font-size: 0.85rem; letter-spacing: 0.2em; color: var(--pink); }
.step h3 { font-family: var(--heading); font-weight: 900; font-size: 1.15rem; margin: 6px 0 8px; }
.step p { font-size: 0.86rem; color: var(--text-sub); line-height: 1.7; }
.trial-bottom { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; position: relative; }
.trial-prices { display: flex; gap: 28px; flex-wrap: wrap; }
.trial-price { font-family: var(--heading); font-weight: 700; font-size: 0.9rem; }
.trial-price b { display: block; font-family: var(--display); font-weight: 400; font-size: 2.6rem; line-height: 1.05; }
.trial-bottom .btns { display: flex; gap: 12px; flex-wrap: wrap; }
#trial .btn-dark { background: var(--ink); color: #fff; }
#trial .btn-white { background: #fff; color: var(--ink); }

/* ---------- access ---------- */
.access-grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 32px; margin-top: 56px; align-items: stretch; }
.access-info { background: var(--white); border-radius: var(--radius); border: 1px solid var(--paper-2); padding: 34px 32px; }
.access-info dl { display: grid; grid-template-columns: auto 1fr; gap: 14px 22px; font-size: 0.92rem; }
.access-info dt { font-family: var(--display); letter-spacing: 0.12em; font-size: 0.78rem; color: var(--pink); padding-top: 3px; white-space: nowrap; }
.access-info dd a { text-decoration: underline; text-underline-offset: 3px; }
.access-map { border-radius: var(--radius); overflow: hidden; min-height: 340px; background: var(--paper-2); }
.access-map iframe { width: 100%; height: 100%; min-height: 340px; border: 0; display: block; }

/* ---------- faq ---------- */
.faq { max-width: 820px; margin: 56px auto 0; display: grid; gap: 12px; }
.faq details { background: var(--white); border-radius: 14px; border: 1px solid var(--paper-2); }
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 60px 22px 24px;
  font-family: var(--heading);
  font-weight: 700;
  font-size: 1rem;
  position: relative;
  display: flex;
  gap: 14px;
}
.faq summary::before { content: 'Q'; font-family: var(--display); color: var(--pink); font-size: 1.2rem; line-height: 1.4; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '';
  position: absolute;
  right: 24px;
  top: 50%;
  width: 12px;
  height: 12px;
  border-right: 2px solid var(--text);
  border-bottom: 2px solid var(--text);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding: 0 24px 22px 54px; font-size: 0.9rem; color: var(--text-sub); }
.faq details p a { color: var(--pink-deep); text-decoration: underline; }

/* ---------- footer ---------- */
footer { background: var(--ink); color: var(--on-dark); padding: 88px 0 40px; }
.foot-cta { text-align: center; padding-bottom: 72px; border-bottom: 1px solid var(--ink-3); }
.foot-cta .big {
  font-family: var(--display);
  font-size: clamp(2.8rem, 9vw, 6.6rem);
  line-height: 0.95;
  text-transform: uppercase;
}
.foot-cta .big .pink { color: var(--pink); }
.foot-cta p { color: var(--on-dark-sub); margin: 20px 0 30px; }
.foot-cta .btns { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-top: 56px; }
.foot-grid h4 { font-family: var(--display); letter-spacing: 0.18em; font-size: 0.8rem; color: var(--pink); font-weight: 400; margin-bottom: 14px; }
.foot-grid p, .foot-grid a { font-size: 0.85rem; color: var(--on-dark-sub); }
.foot-grid a:hover { color: var(--on-dark); }
.foot-links { display: grid; gap: 8px; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { border: 1px solid var(--ink-3); border-radius: 999px; padding: 6px 14px; font-family: var(--display); letter-spacing: 0.1em; font-size: 0.75rem; }
.copy { margin-top: 56px; font-size: 0.75rem; color: #6f6680; }

/* ---------- mobile CTA bar（服部教室サイトと同じ構成） ---------- */
.cta-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 90;
  display: none;
  flex-direction: column;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom));
  background: rgba(14, 11, 20, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.cta-row { display: flex; gap: 8px; }
.cta-bar .btn { flex: 1; min-width: 0; padding: 11px 4px; font-size: 12px; gap: 4px; letter-spacing: 0; box-shadow: none; }
.cta-bar .btn:hover { transform: none; }
.cta-bar .btn-tel { background: #fff; color: var(--ink); }
.cta-bar .btn-access { background: #4285f4; color: #fff; }
.cta-bar .ico { width: 16px; height: 16px; flex: none; }
@media (max-width: 359px) { .cta-bar .btn .ico { display: none; } }
.cta-sns a { flex: 1; min-width: 0; display: inline-flex; align-items: center; justify-content: center; gap: 5px; padding: 7px 4px; border-radius: 999px; font-size: 12px; font-weight: 700; color: #fff; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14); }
.cta-sns .ico { width: 16px; height: 16px; flex: none; }
.cta-sns .sns-yt-b { background: #ff0000; border-color: #ff0000; }
.cta-sns .sns-yt-b .ico rect { fill: #fff; }
.cta-sns .sns-yt-b .ico path { fill: #ff0000; }
.cta-sns .sns-tt-b { background: #000; border-color: #000; box-shadow: inset 2px 0 0 #25f4ee, inset -2px 0 0 #fe2c55; }
.cta-sns .sns-tt-b .ico { filter: drop-shadow(-1px -1px 0 #25f4ee) drop-shadow(1px 1px 0 #fe2c55); }
.cta-sns .sns-ig-b { background: linear-gradient(45deg, #f9ce34, #ee2a7b 50%, #6228d7); border-color: transparent; }
@media (max-width: 820px) {
  .cta-bar { display: flex; }
  body { padding-bottom: calc(118px + env(safe-area-inset-bottom)); }
}

/* ---------- reveal ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity 0.8s, transform 0.8s cubic-bezier(.2,.7,.2,1); }
.rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  .marquee-track { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------- responsive ---------- */
@media (max-width: 1100px) {
  .nav { display: none; }
  .burger { display: block; }
  .inst-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 900px) {
  section { padding: 88px 0; }
  .pillars { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .ticket-head { grid-template-columns: 1fr; gap: 36px; }
  .studio-list { grid-template-columns: 1fr 1fr; }
  .numbers-grid { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .num:nth-child(3) { border-left: 0; padding-left: 0; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .class-grid { grid-template-columns: repeat(2, 1fr); }
  .week { grid-template-columns: repeat(2, 1fr); }
  .access-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-grid > div:first-child { grid-column: 1 / -1; }
  .scroll-cue { display: none; }
}
@media (max-width: 600px) {
  .container { padding: 0 16px; }
  section { padding: 72px 0; }
  #hero { padding: 120px 0 56px; }
  .hero-en .outline { -webkit-text-stroke-width: 1.5px; }
  .hero-ctas .btn { flex: 1 1 100%; }
  .badge { padding: 8px 12px; font-size: 0.82rem; }
  .badge b { font-size: 1.15rem; }
  .class-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .class-card { aspect-ratio: 3 / 4; }
  .class-body { padding: 14px; }
  .class-name { font-size: 1.5rem; }
  .class-ja { font-size: 0.78rem; }
  .class-meta span:not(.age) { display: none; }
  .class-meta { margin-top: 8px; }
  .yt-btn { margin-top: 8px; padding: 5px 10px 5px 7px; font-size: 0.66rem; gap: 4px; }
  .yt-btn svg { width: 15px; height: 15px; }
  .week { grid-template-columns: 1fr; }
  .studio-list { grid-template-columns: 1fr; }
  .h2 { font-size: 1.7rem; }
  .sch-howto { padding: 14px 16px; gap: 12px; font-size: 0.82rem; align-items: flex-start; }
  .sch-howto-icon { width: 44px; height: 44px; font-size: 0.8rem; }
  .trust-val { font-size: 2.8rem; }
  .ticket { max-width: 280px; }
  .ticket-big { font-size: 2.2rem; }
  .inst-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .inst-bio { display: none; }
  .inst-head { padding: 14px 12px 12px; }
  .inst-name { font-size: 1.35rem; }
  .inst-cta { font-size: 0.68rem; padding: 5px 10px; }
  .inst-classes { padding: 0 8px 8px; }
  .inst-classes a { grid-template-columns: auto 1fr; padding: 8px; gap: 2px 8px; font-size: 0.72rem; }
  .inst-classes b { grid-row: span 2; }
  .price-grid { grid-template-columns: 1fr; }
  .fees { grid-template-columns: 1fr; gap: 12px; }
  .fee { padding: 20px 22px; }
  .price-card, .access-info { padding: 26px 22px; }
  .access-info dl { grid-template-columns: 1fr; gap: 2px; }
  .access-info dd { margin-bottom: 12px; }
  .photo-stack .sticker { right: 8px; width: 120px; height: 120px; font-size: 0.75rem; }
  .photo-stack .sticker b { font-size: 2rem; }
  .stage-inner { min-height: 520px; }
  .stage-inner::after { background: linear-gradient(180deg, rgba(14,11,20,0.35) 0%, rgba(14,11,20,0.92) 55%); }
  .stage-copy { padding: 220px 0 64px; }
  .foot-grid { grid-template-columns: 1fr; }
  .trial-bottom .btns, .trial-bottom .btns .btn, .foot-cta .btns .btn { width: 100%; }
  .faq details p { padding-left: 24px; }
}