/* ===== Tokens ===== */
:root{
  --navy: #1b2a4a;
  --navy-deep: #152238;
  --navy-soft: #2c3d5c;
  --bg-dark: var(--navy-deep);
  --bg-dark-2: var(--navy);
  --bg-dark-soft: #243654;
  --bg-light: #ffffff;
  --bg-light-2: #f7f6f2;
  --bg-mist: #f3f6f9;
  --ink: #1c2433;
  --ink-soft: #5c6675;
  --ink-faint: #8b93a0;
  --white: #ffffff;
  --line-dark: rgba(255,255,255,.12);
  --line-light: rgba(27,42,74,.10);
  --blue: #3b6fd4;
  --blue-soft: #5b86c7;
  --green: #3b6fd4;
  --accent: var(--blue);
  --gradient-brand: var(--navy);
  --gradient-dark-bg: var(--navy-deep);
  --shadow-card: 0 8px 24px rgba(27,42,74,.06);
  --shadow-card-dark: 0 10px 28px rgba(21,34,56,.14);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --radius-pill: 999px;
  --btn-bg: var(--navy);
  --btn-shadow: 0 8px 20px rgba(27,42,74,.16);
  --phone-frame: #e7edf3;
  --ff-jp: "Noto Sans JP", sans-serif;
  --ff-en: "Inter", sans-serif;
  --ease: cubic-bezier(.16,.84,.32,1);
}

*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: var(--ff-jp);
  color: var(--ink);
  background: var(--bg-light);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ margin:0; padding:0; list-style:none; }
h1,h2,h3,p{ margin:0; }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.01ms !important; }
}

/* ===== Layout helpers ===== */
.container{ max-width:1120px; margin:0 auto; padding:0 24px; position:relative; z-index:2; }
.container--narrow{ max-width:720px; }
.sec{ position:relative; padding:104px 0; }
.sec--dark{ background: var(--navy-deep); color:#fff; }
.sec--light{ background: var(--bg-light); color: var(--ink); }
.only-mobile{ display:none; }
.nobr{ white-space:nowrap; }

.pain,
.practice,
.attendance,
.pricing{ background: var(--bg-light-2); }
.about,
.player{ background: var(--bg-mist); }

.eyebrow{
  font-family: var(--ff-en);
  font-weight:600;
  letter-spacing:.16em;
  font-size:11px;
  text-transform:uppercase;
  color: var(--blue-soft);
  margin-bottom:14px;
}
.sec--light .eyebrow{ color: var(--navy-soft); }

.sec-title{
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight:700;
  line-height:1.45;
  letter-spacing:.01em;
  margin-bottom:16px;
}
.sec-title.center{ text-align:center; margin-left:auto; margin-right:auto; }
.sec-lead{
  font-size: clamp(14px, 1.5vw, 17px);
  line-height:1.9;
  color: var(--ink-soft);
  max-width:640px;
}
.sec-lead.center{ margin-left:auto; margin-right:auto; }
.sec--dark .sec-lead{ color: rgba(255,255,255,.72); }

/* ===== Icon sprite ===== */
.icon-sprite{ position:absolute; width:0; height:0; overflow:hidden; }

/* ===== Fun ball (physics toy) ===== */
.fun-ball{
  position:fixed; top:0; left:0; width:22px; height:22px; border-radius:50%;
  background: radial-gradient(circle at 35% 30%, #9bb6e8 0%, #3b6fd4 52%, #1b2a4a 100%);
  box-shadow: 0 6px 14px rgba(27,42,74,.22);
  z-index: 300;
  cursor: grab;
  touch-action: none;
  will-change: transform;
  transition: box-shadow .15s ease;
  opacity:.72;
}
.fun-ball.is-grabbed{
  cursor: grabbing;
  opacity:1;
  box-shadow: 0 10px 18px rgba(27,42,74,.28);
}

/* ===== Progress rail ===== */
.progress-rail{ position:fixed; top:0; left:0; width:100%; height:2px; z-index:200; background:rgba(27,42,74,.06); }
.progress-rail__fill{ height:100%; width:0%; background: var(--navy); transition:width .1s linear; }
.progress-rail__ball{
  position:absolute; top:50%; left:0%; width:8px; height:8px; border-radius:50%;
  background: var(--navy); box-shadow:none;
  transform:translate(-50%,-50%); transition:left .1s linear; pointer-events:none;
}

/* ===== Nav ===== */
.site-nav{
  position:fixed; top:16px; left:16px; right:16px; z-index:150;
  display:flex; align-items:center; justify-content:space-between;
  pointer-events:none;
}
.site-nav__brand{
  pointer-events:all;
  display:flex; align-items:center; gap:10px;
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px);
  border:1px solid var(--line-light);
  padding:8px 16px 8px 8px;
  border-radius: var(--radius-pill);
  font-family: var(--ff-en); font-weight:700; font-size:15px; color: var(--ink);
  transition: background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
}
.site-nav__icon{ width:28px; height:28px; border-radius:8px; object-fit:cover; }
.site-nav__cta{
  pointer-events:all;
  background: var(--btn-bg);
  color:#fff; font-weight:700; font-size:13px;
  padding:11px 20px; border-radius: var(--radius-pill);
  box-shadow: var(--btn-shadow);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.site-nav__cta:hover{ background: var(--navy-soft); }
.site-nav:not(.is-light) .site-nav__brand{
  background: rgba(21,34,56,.72);
  border-color: rgba(255,255,255,.12);
  color:#fff;
}
.site-nav:not(.is-light) .site-nav__cta{
  background: #fff;
  color: var(--navy);
  box-shadow: none;
}
.site-nav:not(.is-light) .site-nav__cta:hover{ background: var(--bg-mist); }
.site-nav.is-light .site-nav__brand{
  background: rgba(255,255,255,.9);
  border-color: var(--line-light);
  color: var(--ink);
}

/* ===== Generic scroll reveal (non-hero/cta sections) ===== */
.sec:not(.hero):not(.cta) .eyebrow,
.sec:not(.hero):not(.cta) .sec-title,
.sec:not(.hero):not(.cta) .sec-lead{
  opacity:0; transform:translateY(18px);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.sec:not(.hero):not(.cta) .eyebrow.in,
.sec:not(.hero):not(.cta) .sec-title.in,
.sec:not(.hero):not(.cta) .sec-lead.in{ opacity:1; transform:translateY(0); }

/* ===== Hero ===== */
.hero{
  min-height:100vh; display:flex; align-items:center; padding:120px 0;
  overflow:hidden; background: var(--bg-light-2); color: var(--ink);
}
.hero__field{ position:absolute; inset:0; z-index:1; }
.hero__watermark{
  position:absolute; top:10%; right:6%; width:min(28vw, 320px); height:min(28vw, 320px);
  color: rgba(27,42,74,.06);
  animation: watermarkFloat 22s ease-in-out infinite;
  z-index:0;
}
@keyframes watermarkFloat{
  0%, 100%{ transform: translateY(0); }
  50%{ transform: translateY(-18px); }
}
.hero__svg{ width:100%; height:100%; }
.hero__path{
  fill:none;
  stroke: rgba(27,42,74,.14);
  stroke-width:1.5;
  stroke-linecap:round;
  stroke-dasharray:2000;
  stroke-dashoffset:2000;
}
.hero__ball{
  position:absolute; top:0; left:0;
  width:12px; height:12px; border-radius:50%;
  background: var(--blue);
  box-shadow: 0 0 0 6px rgba(59,111,212,.12);
  opacity:0;
}
.hero__content{ position:relative; z-index:2; text-align:center; width:100%; padding:0 24px; }
.hero__eyebrow{ opacity:0; transform:translateY(12px); color: var(--navy-soft); }
.hero__copy{
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight:800; line-height:1.4; letter-spacing:.01em;
  margin-bottom:18px; color: var(--navy);
}
.hero__copy .line{ display:block; opacity:0; transform:translateY(24px); }
.hero__sub{
  font-family: var(--ff-en);
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing:.12em;
  color: var(--ink-soft);
  opacity:0; transform:translateY(12px);
  margin-bottom:36px;
}
.hero__logo{
  display:inline-flex; align-items:center; gap:12px;
  font-family: var(--ff-en); font-weight:700; font-size:20px; color: var(--navy);
  opacity:0; transform:translateY(10px) scale(.96);
}
.hero__logo-icon{ width:36px; height:36px; border-radius:8px; }
.hero__paddle{ display:none; }
@keyframes paddleIntro{ to{ opacity:1; transform:translateY(0); } }
@keyframes paddleFloat{
  0%, 100%{ translate:0 0; rotate:-6deg; }
  50%{ translate:0 -16px; rotate:-3deg; }
}
.scroll-cue{
  position:absolute; bottom:36px; left:50%; transform:translateX(-50%);
  width:22px; height:36px; border:1.5px solid rgba(27,42,74,.22); border-radius:16px;
  z-index:2;
}
.scroll-cue span{
  position:absolute; top:8px; left:50%; transform:translateX(-50%);
  width:3px; height:7px; border-radius:2px; background: var(--navy);
  animation: scrollcue 1.8s ease-in-out infinite;
}
@keyframes scrollcue{ 0%{ transform:translate(-50%,0); opacity:1; } 70%{ opacity:0; } 100%{ transform:translate(-50%,14px); opacity:0; } }

/* ===== About / Feature grid ===== */
.about{ color: var(--ink); }
.about::before{ display:none; }
.about .container{ position:relative; z-index:1; text-align:center; }
.about .eyebrow{ color: var(--navy-soft); }
.about .sec-title{ color: var(--navy); }
.about .sec-lead{ color: var(--ink-soft); margin:0 auto 56px; }
.feature-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:16px;
  text-align:left;
}
.feature-card{
  background:#fff; border:1px solid var(--line-light); border-radius:var(--radius-md);
  padding:24px 20px; display:flex; flex-direction:column; gap:12px;
  box-shadow: var(--shadow-card);
  transform: translateY(28px) scale(.96); opacity:0;
  transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .3s var(--ease);
  position:relative;
}
.feature-card:hover{ transform: translateY(-4px) scale(1); box-shadow: 0 12px 32px rgba(27,42,74,.08); border-color: rgba(27,42,74,.16); }
.feature-card.in{ opacity:1; transform:translateY(0) scale(1); }
.feature-card__icon{
  width:40px; height:40px; border-radius:10px; background: var(--navy);
  display:flex; align-items:center; justify-content:center;
  transition: transform .35s var(--ease);
}
.feature-card:hover .feature-card__icon{ transform: none; }
.feature-card__icon-svg{ width:20px; height:20px; color:#fff; }
.feature-card__title{ font-weight:700; font-size:16px; color: var(--navy); }
.feature-card__desc{ font-size:13px; color:var(--ink-soft); line-height:1.7; flex:1; }
.feature-card__arrow{
  font-family: var(--ff-en); font-weight:700; color: var(--blue);
  transform: translateX(0); transition: transform .3s var(--ease);
}
.feature-card:hover .feature-card__arrow{ transform: translateX(4px); }
.about__hint{ margin-top:28px; font-size:13px; color: var(--ink-faint); font-weight:600; }
.about__toc{ margin-top:32px; display:flex; flex-direction:column; align-items:center; gap:14px; }
.about__toc-label{
  font-family: var(--ff-en); font-size:11px; font-weight:700; letter-spacing:.14em;
  color: var(--ink-faint); text-transform:uppercase;
}
.about__toc-links{ display:flex; flex-wrap:wrap; justify-content:center; gap:10px; }
.about__toc-link{
  display:inline-flex; align-items:center; gap:8px;
  background: #fff; border:1px solid var(--line-light); color: var(--navy);
  font-size:13.5px; font-weight:700; padding:10px 18px; border-radius: var(--radius-pill);
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.about__toc-icon{ width:15px; height:15px; color: var(--blue); }
.about__toc-link:hover{ background: var(--bg-mist); border-color: rgba(27,42,74,.18); transform:translateY(-1px); }
.about__cta{
  display:inline-block; margin-top:28px;
  background: var(--btn-bg); color:#fff; font-weight:700; font-size:14px;
  padding:14px 32px; border-radius: var(--radius-pill); box-shadow: var(--btn-shadow);
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.about__cta:hover{ transform: translateY(-1px); background: var(--navy-soft); }

/* ===== Pain ===== */
.pain .container{ text-align:center; }
.pain__grid{
  display:flex; flex-wrap:wrap; justify-content:center; gap:16px;
  max-width:960px; margin:48px auto 52px;
}
.pain__card{
  flex:1 1 260px; max-width:320px;
  display:flex; align-items:flex-start; gap:14px; text-align:left;
  background:#fff;
  border:1px solid var(--line-light);
  border-radius: var(--radius-md); padding:22px 20px;
  box-shadow: var(--shadow-card);
  opacity:0; transform:translateY(22px);
  transition: opacity .5s var(--ease), transform .5s var(--ease), border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.pain__card.in{ opacity:1; transform:translateY(0); }
.pain__card:hover{ border-color: rgba(27,42,74,.16); box-shadow: 0 12px 28px rgba(27,42,74,.08); }
.pain__icon{
  flex-shrink:0; width:32px; height:32px; border-radius:8px;
  background: rgba(27,42,74,.08); color: var(--navy); font-weight:700; font-size:16px;
  display:flex; align-items:center; justify-content:center;
}
.pain__card p{ margin:0; font-size:15px; line-height:1.75; font-weight:500; color: var(--ink); }
.pain__resolve{
  font-size: clamp(20px, 2.6vw, 28px); font-weight:700; color: var(--navy);
  opacity:0; transform:translateY(16px);
}
.pain__resolve.in{ opacity:1; transform:translateY(0); transition: opacity .6s var(--ease), transform .6s var(--ease); }

/* ===== Benefits ===== */
.benefits::before{ display:none; }
.benefits .container{ position:relative; z-index:1; }
.benefits__orbit{
  display:grid; grid-template-columns: 1.3fr 1fr .8fr; gap:18px; align-items:stretch;
  margin-top:52px;
}
.benefits__node{
  background:#fff; border:1px solid var(--line-light); border-radius:var(--radius-lg);
  padding:32px 28px; box-shadow: var(--shadow-card);
  opacity:0; transform:translateY(30px);
}
.benefits__node.in{ opacity:1; transform:translateY(0); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.benefits__node--coach{
  background: #fff;
  border-color: rgba(255,255,255,.18);
  box-shadow: var(--shadow-card);
  color: var(--ink);
}
.benefits__node--coach h3{ font-size:26px; color: var(--navy); }
.benefits__node--coach ul{ font-size:15px; color: var(--ink-soft); }
.benefits__tag{
  display:inline-block; font-family: var(--ff-en); font-weight:700; letter-spacing:.12em;
  font-size:11px; padding:5px 10px; border-radius: var(--radius-pill);
  background: var(--bg-mist); color: var(--navy); margin-bottom:12px;
}
.benefits__node--coach .benefits__tag{ background: var(--navy); color:#fff; }
.benefits__node h3{ font-size:20px; font-weight:700; margin-bottom:14px; color: var(--navy); }
.benefits__node--coach h3{ color: var(--navy); }
.benefits__node ul{ display:flex; flex-direction:column; gap:10px; font-size:14px; color:var(--ink-soft); }
.benefits__node--coach ul{ color: var(--ink-soft); }
.benefits__node li{ display:flex; align-items:flex-start; gap:10px; }
.benefits__node li::before{
  content:""; flex-shrink:0; margin-top:6px; width:7px; height:7px; border-radius:50%;
  background: var(--blue);
  box-shadow: none;
}
.benefits__node--coach li::before{ box-shadow: none; }
.benefits__node--student{ align-self:center; }
.benefits__node--parent{ align-self:end; }

/* ===== LINE demo ===== */
.line-demo{ display:grid; grid-template-columns:300px 1fr; gap:48px; align-items:center; margin-top:48px; }
.line-demo__phone{
  position:relative;
  border-radius: 24px; padding:10px; background: var(--phone-frame); border:1px solid var(--line-light);
  box-shadow: var(--shadow-card);
}
.line-demo__badge{
  position:absolute; top:-12px; left:-12px; width:40px; height:40px; border-radius:10px;
  box-shadow: 0 6px 16px rgba(27,42,74,.12), 0 0 0 3px var(--bg-light);
  z-index:3;
}
.line-demo__screen{ position:relative; background:#fff; border-radius:16px; overflow:hidden; }
.line-demo__shot{ width:100%; display:block; }
.line-demo__hotspot{
  position:absolute; top:var(--top); left:var(--left); width:var(--w); height:var(--h);
  border:2px solid transparent; border-radius:12px; background:transparent;
  display:flex; align-items:flex-end; justify-content:center; padding-bottom:10px;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.line-demo__hotspot::after{
  content:""; position:absolute; top:10px; right:10px; width:8px; height:8px; border-radius:50%;
  background: var(--blue); animation: hotspotPulse 2.4s ease-out infinite; animation-delay: var(--delay, 0s);
}
@keyframes hotspotPulse{
  0%{ box-shadow:0 0 0 0 rgba(59,111,212,.45); }
  70%{ box-shadow:0 0 0 10px rgba(59,111,212,0); }
  100%{ box-shadow:0 0 0 0 rgba(59,111,212,0); }
}
.line-demo__hotspot span{
  opacity:0; transform:translateY(6px);
  background: var(--navy); color:#fff; font-weight:700; font-size:11px;
  padding:6px 12px; border-radius: var(--radius-pill); white-space:nowrap;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
}
.line-demo__hotspot:hover, .line-demo__hotspot:focus-visible{
  border-color: rgba(59,111,212,.7); background: rgba(59,111,212,.10);
}
.line-demo__hotspot:hover span, .line-demo__hotspot:focus-visible span{ opacity:1; transform:translateY(0); }
.line-demo__caption p{ font-size:15px; line-height:1.9; color: var(--ink-soft); margin-bottom:10px; }
.line-demo__hint{ font-size:12.5px !important; color: var(--blue) !important; font-weight:700; }

/* ===== Practice / PDCA ===== */
.practice__loop{ text-align:center; margin-top:48px; font-weight:700; color: var(--ink-soft); font-size:15px; }
.pdca{ display:grid; grid-template-columns: 320px 1fr; gap:48px; align-items:center; margin-top:48px; }
.pdca__wheel{
  position:relative; width:300px; height:300px; margin:0 auto;
  border-radius:50%; display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr;
  transform: rotate(0deg); transition: transform .6s var(--ease);
  gap:4px;
}
.pdca__quadrant{
  border:none; color:#fff; font-family: var(--ff-en);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px;
  cursor:pointer; opacity:.88; transition: opacity .25s, transform .25s;
}
.pdca__quadrant span{ font-weight:700; font-size:16px; }
.pdca__quadrant small{ font-size:10px; letter-spacing:.06em; opacity:.85; }
.pdca__quadrant:hover, .pdca__quadrant.is-active{ opacity:1; transform:scale(1.03); }
.pdca__quadrant--plan{ background:#1b2a4a; border-radius:100% 0 0 0; }
.pdca__quadrant--do{ background:#2c3d5c; border-radius:0 100% 0 0; }
.pdca__quadrant--check{ background:#3b6fd4; border-radius:0 0 100% 0; }
.pdca__quadrant--action{ background:#5b86c7; border-radius:0 0 0 100%; }
.pdca__core{
  position:absolute; top:50%; left:50%; transform:translate(-50%,-50%);
  width:112px; height:112px; border-radius:50%; background:#fff; box-shadow:0 8px 24px rgba(27,42,74,.10);
  display:flex; align-items:center; justify-content:center; text-align:center;
  font-weight:700; font-size:13px; color:var(--navy); pointer-events:none;
}
.pdca__panel{ display:grid; grid-template-columns:220px 1fr; gap:32px; align-items:center; }
.pdca__visual-col{ width:100%; }
.pdca__panel-visual{
  position:relative; width:100%; aspect-ratio:1179/2247; border-radius: 20px; overflow:hidden;
  box-shadow: var(--shadow-card); border:8px solid var(--phone-frame);
}
.pdca__panel-visual img{
  position:absolute; inset:0; width:100%; height:100%; object-fit:cover;
  opacity:0; transition: opacity .4s var(--ease);
}
.pdca__panel-visual img.is-active{ opacity:1; }
.pdca__hotspot{
  position:absolute; top:var(--top); left:var(--left); width:var(--w); height:var(--h);
  z-index:2; border:2px solid transparent; border-radius:10px; background:transparent;
  transition: border-color .25s var(--ease), background .25s var(--ease);
}
.pdca__hotspot::after{
  content:""; position:absolute; top:3px; right:3px; width:6px; height:6px; border-radius:50%;
  background: var(--blue); animation: hotspotPulse 2.4s ease-out infinite;
}
.pdca__hotspot:hover, .pdca__hotspot:focus-visible{
  border-color: rgba(59,111,212,.7); background: rgba(59,111,212,.10);
}
.pdca__hint{
  margin-top:10px; text-align:center; font-size:12px; font-weight:700;
  color: var(--ink-faint);
}
.pdca__panel-text h3{ font-size:19px; font-weight:700; margin-bottom:12px; color: var(--navy); }
.pdca__panel-text p{ font-size:14.5px; line-height:1.9; color: var(--ink-soft); }

/* ===== Growth ===== */
.growth .container{ text-align:center; }
.growth__layout{ display:grid; grid-template-columns: 1fr 250px; gap:44px; align-items:center; margin-top:48px; text-align:left; }
.growth__chart{ margin:0; max-width:none; }
.growth__phone{
  border-radius: 20px; overflow:hidden; box-shadow: var(--shadow-card); border:8px solid var(--phone-frame);
  opacity:0; transform:translateY(24px) scale(.97);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.growth__phone.in{ opacity:1; transform:translateY(0) scale(1); }
.growth__phone img{ display:block; width:100%; }
.growth__svg{ width:100%; height:auto; }
.growth__axis{ stroke: rgba(27,42,74,.12); stroke-width:1.5; }
.growth__path{ fill:none; stroke: var(--navy); stroke-width:2.5; stroke-linecap:round; stroke-dasharray:900; stroke-dashoffset:900; }
.growth__point{ fill:#fff; stroke: var(--navy); stroke-width:3; opacity:0; transform-origin:center; transform:scale(0); }
.growth__point.in{ opacity:1; transform:scale(1); transition: opacity .3s var(--ease), transform .3s var(--ease); }
.growth__label{ fill: var(--ink-soft); font-size:12px; font-family: var(--ff-en); text-anchor:middle; }
.growth__metric{ margin-top:10px; font-family: var(--ff-en); font-weight:700; letter-spacing:.1em; font-size:12px; color: var(--ink-faint); }
.growth__story{ display:flex; align-items:center; justify-content:center; gap:16px; margin:48px 0 36px; flex-wrap:wrap; }
.growth__story-step{
  font-weight:700; font-size: clamp(15px,2.2vw,20px); padding:10px 20px; border-radius: var(--radius-pill);
  border:1px solid var(--line-light); opacity:.3; transform:scale(.9); color: var(--navy);
  transition: opacity .4s var(--ease), transform .4s var(--ease), background .4s var(--ease), color .4s var(--ease);
}
.growth__story-step.in{ opacity:1; transform:scale(1); }
.growth__story-step:last-child.in{ background: var(--navy); border-color:transparent; color:#fff; }
.growth__story-arrow{ color: var(--ink-faint); font-weight:700; }
.growth__close{ font-size: clamp(18px,2.4vw,24px); font-weight:700; color: var(--navy); }

/* ===== Player ===== */
.player .container{ text-align:center; }
.player__stage{ display:grid; grid-template-columns: 260px 1fr; gap:36px; align-items:center; margin:48px 0 52px; text-align:left; }
.player__phone{ border-radius: 20px; overflow:hidden; box-shadow: var(--shadow-card); border:8px solid var(--phone-frame); }
.player__cards{ display:flex; flex-direction:column; gap:12px; }
.player__data-card{
  background:#fff; border:1px solid var(--line-light); border-radius: var(--radius-md); padding:16px 18px;
  box-shadow: var(--shadow-card); display:flex; flex-direction:column; gap:4px;
  opacity:0; transform:translateX(30px);
}
.player__data-card.in{ opacity:1; transform:translateX(0); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.player__data-card strong{ font-size:14.5px; color: var(--navy); }
.player__data-card span{ font-size:13.5px; color: var(--ink-soft); }
.player__insight{ font-size: clamp(17px,2.2vw,22px); font-weight:700; line-height:1.8; color: var(--navy); }
.player__insight span{ display:block; font-size:14px; font-weight:500; color: var(--ink-soft); margin-top:8px; }

/* ===== Matches ===== */
.matches::before{ display:none; }
.matches .container{ position:relative; z-index:1; text-align:center; }
.matches__intro{
  display:grid; grid-template-columns:240px 1fr; gap:40px; align-items:center;
  max-width:840px; margin:48px auto 56px; text-align:left;
}
.matches__phone{
  border-radius: 20px; overflow:hidden; box-shadow: var(--shadow-card); border:8px solid var(--phone-frame);
  opacity:0; transform:translateY(24px) scale(.97);
  transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.matches__phone.in{ opacity:1; transform:translateY(0) scale(1); }
.matches__phone img{ display:block; width:100%; }
.matches__ai-badge{
  display:inline-flex; align-items:center; gap:6px;
  background: var(--bg-mist); color: var(--navy); font-weight:700; font-size:12px;
  padding:6px 12px; border-radius: var(--radius-pill); margin-bottom:14px;
}
.matches__intro-text h3{ font-size: clamp(18px,2.2vw,22px); font-weight:700; color: var(--navy); margin-bottom:12px; line-height:1.5; }
.matches__intro-text p{ font-size:14.5px; line-height:1.9; color: var(--ink-soft); }
.matches__intro-sub{
  display:flex; align-items:flex-start; gap:10px; margin-top:16px !important;
  padding-top:16px; border-top:1px solid var(--line-light);
}
.matches__intro-sub strong{ color: var(--ink); }
.live-dot{
  flex-shrink:0; margin-top:6px; width:8px; height:8px; border-radius:50%;
  background: var(--blue); animation: livePulse 1.8s ease-out infinite;
}
@keyframes livePulse{
  0%{ box-shadow:0 0 0 0 rgba(59,111,212,.5); }
  70%{ box-shadow:0 0 0 8px rgba(59,111,212,0); }
  100%{ box-shadow:0 0 0 0 rgba(59,111,212,0); }
}
.matches__timeline{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin:0 0 20px; }
.matches__card{
  position:relative; text-align:left; background: var(--navy); border:1px solid transparent;
  border-radius: var(--radius-md); padding:24px 22px; min-height:168px; overflow:hidden; color:#fff;
  box-shadow: var(--shadow-card);
  opacity:0; transform:translateY(24px);
}
.matches__card.in{ opacity:1; transform:translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.matches__card-label{ font-family: var(--ff-en); font-size:11px; font-weight:700; letter-spacing:.1em; color: var(--blue-soft); }
.matches__card-title{ display:block; font-size:18px; font-weight:700; margin-top:10px; }
.matches__card-flip{
  position:absolute; inset:0; background: var(--navy-deep); padding:22px; display:flex; flex-direction:column; justify-content:center; gap:8px;
  font-size:13.5px; line-height:1.7; color: rgba(255,255,255,.88);
  opacity:0; transform:translateY(10px); transition: opacity .3s var(--ease), transform .3s var(--ease); pointer-events:none;
}
.matches__card[data-state="open"] .matches__card-flip{ opacity:1; transform:translateY(0); pointer-events:all; }
.matches__card-flip strong{ color: #c5d6f2; }
.matches__note{ font-size:13px; color: var(--ink-faint); }

/* ===== Attendance ===== */
.attendance__stage{ display:grid; grid-template-columns:250px 1fr; gap:40px; align-items:center; margin:48px 0 40px; }
.attendance__phone{ border-radius: 20px; overflow:hidden; box-shadow: var(--shadow-card); border:8px solid var(--phone-frame); }
.attendance__stats{ display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
.attendance__stat{
  background:#fff; border:1px solid var(--line-light); border-radius: var(--radius-md); padding:24px 16px; text-align:center;
  box-shadow: var(--shadow-card);
  opacity:0; transform:translateY(20px);
}
.attendance__stat.in{ opacity:1; transform:translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.attendance__num{ display:block; font-family: var(--ff-en); font-weight:700; font-size:34px; color: var(--navy); }
.attendance__stat small{ font-size:12px; color: var(--ink-soft); }
.attendance__msg{ text-align:center; font-size: clamp(17px,2.2vw,22px); font-weight:700; color: var(--navy); }

/* ===== Contact ===== */
.contact .container{ text-align:center; }
.contact__chat{ max-width:520px; margin:48px auto 36px; display:flex; flex-direction:column; gap:14px; text-align:left; }
.contact__bubble{
  position:relative; background: var(--bg-mist); color:var(--ink); border-radius:16px 16px 16px 4px;
  border:1px solid var(--line-light);
  padding:16px 18px; font-size:14px; line-height:1.8; box-shadow: none;
  opacity:0; transform:translateY(16px) scale(.97); align-self:flex-start; max-width:88%;
}
.contact__bubble.in{ opacity:1; transform:translateY(0) scale(1); transition: opacity .45s var(--ease), transform .45s var(--ease); }
.contact__tag{
  display:inline-block; font-size:10.5px; font-weight:700; letter-spacing:.06em;
  background: var(--navy); color:#fff; padding:3px 9px; border-radius: var(--radius-pill); margin-bottom:8px;
}
.contact__msg{ font-size: clamp(17px,2.2vw,22px); font-weight:700; line-height:1.7; color: var(--navy); }

/* ===== Vision ===== */
.vision{ padding:140px 0; }
.vision .container{ text-align:center; }
.vision__lead{
  font-size: clamp(24px,3.6vw,38px); font-weight:700; line-height:1.55; margin-bottom:60px;
  opacity:0; transform:translateY(16px);
}
.vision__lead.in{ opacity:1; transform:translateY(0); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.vision__grow{ max-width:720px; margin:0 auto 60px; }
.vision__svg{ width:100%; height:auto; }
.vision__stage-labels{ display:flex; justify-content:space-between; margin-top:14px; font-size:12px; color: rgba(255,255,255,.5); font-weight:600; }
.vision__logo{
  display:inline-flex; align-items:center; gap:12px; font-family: var(--ff-en); font-weight:700; font-size:22px;
  opacity:0; transform:scale(.9);
}
.vision__logo.in{ opacity:1; transform:scale(1); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.vision__logo img{ width:36px; height:36px; border-radius:8px; }

/* ===== Pricing ===== */
.pricing .container{ text-align:center; }
.pricing__calc{ max-width:500px; margin:48px auto 0; background:#fff; border:1px solid var(--line-light); box-shadow: var(--shadow-card); border-radius: var(--radius-lg); padding:40px 32px; }
.pricing__result p{ margin:0; }
.pricing__result p:first-child{ font-size:16px; color: var(--ink-soft); margin-bottom:6px; }
.pricing__result p:first-child span{ font-family: var(--ff-en); font-weight:700; font-size:22px; color: var(--navy); }
.pricing__yen{ font-size:18px; color: var(--ink-soft); }
.pricing__yen strong{ font-family: var(--ff-en); font-size: clamp(36px,5.4vw,48px); color: var(--navy); font-weight:700; }
.pricing__slider{
  width:100%; margin:32px 0 10px; -webkit-appearance:none; height:5px; border-radius: var(--radius-pill);
  background: #d7e0ec; outline:none;
}
.pricing__slider::-webkit-slider-thumb{
  -webkit-appearance:none; width:22px; height:22px; border-radius:50%; background:#fff;
  box-shadow: 0 2px 8px rgba(27,42,74,.2); cursor:pointer; border:4px solid var(--navy);
}
.pricing__slider::-moz-range-thumb{
  width:22px; height:22px; border-radius:50%; background:#fff; border:4px solid var(--navy); cursor:pointer;
}

.pricing__range-labels{ display:flex; justify-content:space-between; font-size:12px; color: var(--ink-faint); }

/* ===== Flow ===== */
.flow .container{ text-align:center; }
.flow__stepper{ position:relative; display:grid; grid-template-columns:repeat(4,1fr); gap:20px; margin-top:60px; padding-top:20px; }
.flow__line{ position:absolute; top:0; left:0; right:0; height:3px; background: var(--line-light); border-radius: var(--radius-pill); }
.flow__line-fill{ display:block; height:100%; width:0%; background: var(--navy); border-radius: var(--radius-pill); transition: width 1.2s var(--ease); }
.flow__step{
  padding-top:28px; opacity:0; transform:translateY(16px);
}
.flow__step.in{ opacity:1; transform:translateY(0); transition: opacity .5s var(--ease), transform .5s var(--ease); }
.flow__step::before{
  content:""; position:absolute; top:-7px; left:calc(12.5% + (var(--i) * 25%)); transform:translateX(-50%);
  width:16px; height:16px; border-radius:50%; background: #fff; border:3px solid var(--navy);
}
.flow__num{ display:block; font-family: var(--ff-en); font-weight:700; font-size:12px; letter-spacing:.1em; color: var(--blue); margin-bottom:10px; }
.flow__step h3{ font-size:16px; font-weight:700; color: var(--navy); }

/* ===== FAQ ===== */
.faq__list{ margin-top:40px; border-top:1px solid var(--line-light); }
.faq__item{ border-bottom:1px solid var(--line-light); }
.faq__q{
  width:100%; background:none; border:none; padding:20px 4px; display:flex; align-items:center; justify-content:space-between;
  font-size:15px; font-weight:700; text-align:left; color: var(--navy);
}
.faq__icon{ font-family: var(--ff-en); font-size:20px; font-weight:400; color: var(--blue); transition: transform .3s var(--ease); }
.faq__item.is-open .faq__icon{ transform: rotate(135deg); }
.faq__a{ max-height:0; overflow:hidden; transition: max-height .35s var(--ease); }
.faq__a p{ padding:0 4px 20px; font-size:14px; line-height:1.9; color: var(--ink-soft); }

/* ===== CTA ===== */
.cta{ min-height:80vh; display:flex; align-items:center; overflow:hidden; background: var(--navy-deep); }
.cta::before{ display:none; }
.cta .hero__path{ stroke: rgba(255,255,255,.16); }
.cta .hero__ball{ background: #fff; box-shadow: 0 0 0 6px rgba(255,255,255,.12); }
.cta__content{ position:relative; z-index:1; text-align:center; }
.cta__title{ font-size: clamp(26px,4vw,40px); font-weight:700; line-height:1.45; margin-bottom:36px; color:#fff; }
.cta__button{
  display:inline-block; background: #fff; color: var(--navy); font-weight:700; font-size:15px;
  padding:16px 36px; border-radius: var(--radius-pill); box-shadow: none;
  transition: transform .3s var(--ease), background .3s var(--ease);
}
.cta__button:hover{ transform: translateY(-2px); background: var(--bg-mist); }
.cta__logo{ margin-top:56px; display:flex; align-items:center; justify-content:center; gap:12px; font-family: var(--ff-en); font-weight:700; font-size:17px; color: rgba(255,255,255,.55); }
.cta__logo img{ width:28px; height:28px; border-radius:8px; opacity:.9; }

/* ===== Footer ===== */
.site-footer{ background: var(--navy-deep); color: rgba(255,255,255,.42); text-align:center; padding:24px 0; font-size:12.5px; }

/* ===== Responsive ===== */
@media (max-width: 980px){
  .feature-grid{ grid-template-columns:repeat(2,1fr); }
  .benefits__orbit{ grid-template-columns:1fr; }
  .benefits__node--student, .benefits__node--parent{ align-self:auto; }
  .line-demo{ grid-template-columns:1fr; }
  .line-demo__phone{ max-width:300px; margin:0 auto; }
  .pdca{ grid-template-columns:1fr; }
  .pdca__panel{ grid-template-columns:180px 1fr; }
  .player__stage{ grid-template-columns:1fr; }
  .player__phone{ max-width:240px; margin:0 auto; }
  .growth__layout{ grid-template-columns:1fr; }
  .growth__phone{ max-width:240px; margin:0 auto; }
  .attendance__stage{ grid-template-columns:1fr; }
  .attendance__phone{ max-width:240px; margin:0 auto; }
  .matches__timeline{ grid-template-columns:1fr; }
  .matches__intro{ grid-template-columns:1fr; text-align:center; }
  .matches__phone{ max-width:220px; margin:0 auto; }
}
@media (max-width: 640px){
  .only-mobile{ display:inline; }
  .container{ padding:0 20px; }
  .sec{ padding:52px 0; }
  .vision{ padding:64px 0; }
  .hero{ min-height:78vh; padding:112px 0 64px; }
  .fun-ball{ display:none; }

  .eyebrow{ font-size:10px; margin-bottom:12px; }
  .sec-title{ font-size:22px; margin-bottom:12px; }
  .sec-lead{ font-size:14px; }
  .hero__copy{ font-size:24px; margin-bottom:12px; }
  .hero__sub{ font-size:12px; margin-bottom:20px; }
  .hero__logo{ font-size:16px; }
  .cta{ min-height:auto; padding:72px 0; }
  .cta__title{ font-size:22px; margin-bottom:24px; }
  .cta__button{ padding:14px 28px; font-size:14px; min-height:44px; }

  .hero__paddle{ display:none; }

  .feature-grid{ grid-template-columns:repeat(2,1fr); gap:10px; }
  .feature-card{ padding:16px 14px; gap:8px; border-radius:var(--radius-sm); }
  .feature-card:first-child{ grid-column:1 / -1; }
  .feature-card__icon{ width:30px; height:30px; border-radius:8px; }
  .feature-card__icon-svg{ width:15px; height:15px; }
  .feature-card__title{ font-size:13px; }
  .feature-card__desc{ font-size:11px; line-height:1.5; }
  .feature-card__arrow{ font-size:12px; }
  .about__toc-link{ font-size:12.5px; padding:9px 16px; }
  .about__cta{ font-size:13.5px; padding:13px 28px; min-height:44px; }

  .pain__grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
  .pain__card{ flex:none; max-width:none; padding:14px 12px; gap:10px; }
  .pain__card:last-child{ grid-column:1 / -1; }
  .pain__icon{ width:26px; height:26px; font-size:13px; border-radius:8px; }
  .pain__card p{ font-size:12px; line-height:1.5; }
  .pain__resolve{ font-size:18px; }

  .benefits__orbit{ gap:10px; margin-top:28px; }
  .benefits__node{ padding:18px 16px; }
  .benefits__tag{ font-size:10px; padding:4px 9px; margin-bottom:8px; }
  .benefits__node--coach h3{ font-size:18px; }
  .benefits__node h3{ font-size:16px; margin-bottom:8px; }
  .benefits__node ul{ font-size:12.5px; gap:7px; }
  .benefits__node li{ gap:8px; }

  .line-demo{ margin-top:16px; gap:16px; }
  .line-demo__phone{ max-width:160px; padding:8px; border-radius:20px; }
  .line-demo__badge{ width:28px; height:28px; top:-8px; left:-8px; border-radius:8px; }
  .line-demo__hotspot span{ font-size:8px; padding:3px 7px; }
  .line-demo__caption{ margin-top:10px; }
  .line-demo__caption p{ font-size:12.5px; margin-bottom:5px; }

  .pdca{ margin-top:22px; }
  .pdca__wheel{ width:210px; height:210px; }
  .pdca__core{ width:80px; height:80px; font-size:10px; }
  .pdca__quadrant span{ font-size:13px; }
  .pdca__quadrant small{ font-size:7.5px; }
  .pdca__panel{ grid-template-columns:1fr; gap:12px; margin-top:20px; }
  .pdca__visual-col{ max-width:240px; margin:0 auto; }
  .pdca__hint{ font-size:11px; margin-top:8px; }
  .pdca__panel-text{ text-align:center; }
  .pdca__panel-text h3{ font-size:15px; margin-bottom:6px; }
  .pdca__panel-text p{ font-size:12.5px; }
  .practice__loop{ font-size:12.5px; margin-top:22px; }

  .growth__phone{ max-width:190px; }
  .growth__story-step{ font-size:13px; padding:8px 14px; }
  .growth__close{ font-size:16px; }

  .player__phone{ max-width:190px; }
  .player__data-card{ padding:14px 16px; }
  .player__data-card strong{ font-size:13px; }
  .player__data-card span{ font-size:12px; }
  .player__insight{ font-size:16px; }
  .player__insight span{ font-size:12.5px; }

  .matches__phone{ max-width:190px; }
  .matches__intro-text h3{ font-size:16px; }
  .matches__intro-text p{ font-size:13px; }
  .matches__card{ padding:18px 16px; min-height:auto; }
  .matches__card-title{ font-size:16px; }

  .attendance__phone{ max-width:190px; }
  .attendance__stats{ gap:10px; }
  .attendance__stat{ padding:16px 10px; }
  .attendance__num{ font-size:24px; }
  .attendance__stat small{ font-size:10.5px; }
  .attendance__msg{ font-size:16px; }

  .contact__bubble{ font-size:13px; padding:14px 16px; }
  .contact__msg{ font-size:16px; }

  .vision__lead{ font-size:20px; margin-bottom:36px; }
  .vision__logo{ font-size:17px; }
  .vision__stage-labels{ font-size:10px; }

  .pricing__calc{ padding:24px 18px; }
  .pricing__yen strong{ font-size:30px; }
  .pricing__result p:first-child span{ font-size:18px; }

  .flow__stepper{ grid-template-columns:1fr; gap:24px; }
  .flow__line{ display:none; }
  .flow__step::before{ display:none; }
  .flow__step h3{ font-size:14.5px; }

  .faq__q{ font-size:14px; padding:16px 4px; min-height:44px; }
  .faq__a p{ font-size:13px; }

  .site-nav{ top:10px; left:10px; right:10px; }
  .site-nav__cta{ padding:10px 16px; font-size:12px; min-height:40px; }
  .site-nav__brand{ font-size:13px; padding:6px 12px 6px 6px; }
  .site-nav__icon{ width:24px; height:24px; }
}