/* =========================================================================
   BASE — reset, layout, typography, and every component.
   Colour tokens live in themes.css; the tokens below are theme-independent
   (fonts and layout measurements), so they stay here.
   ========================================================================= */
:root{
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,"Book Antiqua","Times New Roman",Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mincho:"Yu Mincho",YuMincho,"Hiragino Mincho ProN","Songti SC","MS Mincho",serif;

  --wrap:min(940px,92vw);
  --measure:38rem;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0}
.site{
  background:var(--ground);color:var(--ink);
  font-family:var(--sans);font-size:1.0625rem;line-height:1.75;
  -webkit-font-smoothing:antialiased;letter-spacing:.005em;
  transition:background .4s ease,color .4s ease;
}
.site ::selection{background:var(--shu);color:#fff}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.12;text-wrap:balance;margin:0}
a{color:inherit}
p{margin:0}
.wrap{width:var(--wrap);margin-inline:auto}

.label{
  font-size:.7rem;text-transform:uppercase;letter-spacing:.22em;
  color:var(--muted);font-weight:600;
}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--ground) 86%,transparent);
  backdrop-filter:saturate(1.1) blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:.7rem;text-decoration:none;font-family:var(--serif);font-size:1.12rem;letter-spacing:.01em}
.seal{
  width:30px;height:30px;flex:none;display:grid;place-items:center;
  background:var(--shu);color:#f6efe2;border-radius:3px;
  font-family:var(--mincho);font-size:1rem;line-height:1;
  box-shadow:0 1px 0 rgba(0,0,0,.15) inset;
}
.nav-links{display:flex;align-items:center;gap:1.7rem}
.nav-links a{
  text-decoration:none;font-size:.9rem;color:var(--muted);
  letter-spacing:.02em;position:relative;padding:.2rem 0;transition:color .25s;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;
  background:var(--shu);transition:right .28s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{right:0}
.toggle{
  background:none;border:1px solid var(--line);color:var(--muted);
  width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:.95rem;
  display:grid;place-items:center;transition:color .25s,border-color .25s;
}
.toggle:hover{color:var(--ink);border-color:var(--muted)}
.menu-btn{display:none;background:none;border:0;color:var(--ink);cursor:pointer;padding:.4rem;font-size:1.3rem}
.mobile{display:none;flex-direction:column;gap:.2rem;padding:.6rem 0 1rem}
.mobile a{text-decoration:none;color:var(--ink);padding:.6rem .2rem;border-bottom:1px solid var(--line-soft);font-size:1rem}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden}
.hero-in{
  width:var(--wrap);margin-inline:auto;position:relative;z-index:2;
  padding:clamp(3.5rem,11vh,7rem) 0 clamp(3.5rem,9vh,6rem);
}
.hero .eyebrow{margin-bottom:1.4rem}
.hero h1{
  font-size:clamp(2.7rem,7.2vw,5.1rem);letter-spacing:-.01em;
  max-width:14ch;margin-bottom:1.5rem;
}
.hero h1 .en{display:block}
.hero .lede{max-width:34rem;color:var(--muted);font-size:1.12rem}
.hero .cta{display:flex;gap:1.4rem;flex-wrap:wrap;margin-top:2.4rem;align-items:center}
.btn{
  text-decoration:none;font-size:.92rem;letter-spacing:.02em;
  padding:.8rem 1.5rem;border-radius:2px;transition:transform .2s,background .25s,color .25s;
}
.btn-primary{background:var(--shu);color:#f6efe2}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{color:var(--ink);border-bottom:1px solid var(--shu);padding:.8rem .2rem;border-radius:0}
.btn-ghost:hover{color:var(--shu)}
.enso-wrap{
  position:absolute;z-index:1;top:50%;right:max(-6vw,-90px);transform:translateY(-50%);
  width:min(46vw,440px);aspect-ratio:1;pointer-events:none;opacity:.92;
}
#enso{width:100%;height:100%;display:block}
.kanji-vert{
  position:absolute;z-index:1;top:50%;right:clamp(1rem,7vw,5rem);transform:translateY(-50%);
  writing-mode:vertical-rl;font-family:var(--mincho);
  font-size:clamp(2.2rem,5vw,3.4rem);color:var(--ink);opacity:.16;letter-spacing:.1em;
  user-select:none;
}

/* ---------- sections ---------- */
section{scroll-margin-top:78px}
.band{padding:clamp(3.5rem,8vh,6rem) 0;border-top:1px solid var(--line-soft)}
.sec-head{display:flex;align-items:baseline;gap:1rem;margin-bottom:2.2rem}
.sec-head .idx{font-family:var(--mincho);color:var(--shu);font-size:1.1rem;opacity:.9}
.sec-head h2{font-size:clamp(1.7rem,3.4vw,2.3rem)}
.prose{max-width:var(--measure)}
.prose p+p{margin-top:1.15rem}
.prose .drop{color:var(--muted)}

.schools{margin-top:2.2rem;border-top:1px solid var(--line);max-width:var(--measure)}
.schools .row{
  display:flex;gap:1rem;align-items:baseline;justify-content:space-between;
  padding:.85rem 0;border-bottom:1px solid var(--line-soft);
}
.schools .jp{font-family:var(--mincho);font-size:1.05rem}
.schools .en{color:var(--muted);font-size:.92rem;text-align:right}

/* ledger (training) */
.ledger{display:grid;grid-template-columns:1fr;gap:0;max-width:var(--measure)}
.ledger .item{
  display:grid;grid-template-columns:9rem 1fr;gap:1.4rem;
  padding:1.3rem 0;border-top:1px solid var(--line);align-items:start;
}
.ledger .item:last-child{border-bottom:1px solid var(--line)}
.ledger .k{color:var(--muted)}
.ledger .v strong{font-weight:600}
.ledger .v .sub{color:var(--muted);font-size:.95rem;display:block;margin-top:.35rem}
.tag{
  display:inline-block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--shu);border:1px solid var(--shu);border-radius:2px;padding:.15rem .5rem;margin-left:.5rem;
  vertical-align:middle;
}

/* events */
.note{
  max-width:var(--measure);border-left:2px solid var(--shu);
  padding:.4rem 0 .4rem 1.3rem;color:var(--muted);
}
.note strong{color:var(--ink);font-weight:600}

/* events list (built from js/events.js by main.js) */
.events{list-style:none;margin:0;padding:0;max-width:var(--measure)}
.event{
  display:grid;grid-template-columns:4.5rem 1fr;gap:1.4rem;align-items:start;
  padding:1.4rem 0;border-top:1px solid var(--line);
}
.event:last-child{border-bottom:1px solid var(--line)}
.event-date{
  display:grid;place-items:center;gap:.15rem;padding:.5rem 0;
  border:1px solid var(--shu);border-radius:3px;color:var(--shu);
  font-family:var(--serif);line-height:1;
}
.event-mon{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em}
.event-day{font-size:1.55rem;font-weight:600}
.event-name{font-size:1.15rem;margin-bottom:.35rem}
.event-meta{color:var(--muted);font-size:.95rem}
.event-link{
  display:inline-block;margin-top:.55rem;font-size:.9rem;color:var(--shu);
  text-decoration:none;border-bottom:1px solid var(--shu);
}
.event-link:hover{color:var(--ink);border-color:var(--ink)}

/* join steps */
.paths{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-width:var(--measure);margin-bottom:2.6rem}
.path{background:var(--panel);border:1px solid var(--line-soft);border-radius:3px;padding:1.4rem 1.5rem}
.path h3{font-size:1.15rem;margin-bottom:.5rem}
.path p{color:var(--muted);font-size:.96rem}
ol.steps{list-style:none;counter-reset:s;margin:0;padding:0;max-width:var(--measure)}
ol.steps li{
  counter-increment:s;position:relative;padding:1.05rem 0 1.05rem 3.2rem;
  border-top:1px solid var(--line-soft);
}
ol.steps li:first-child{border-top:0}
ol.steps li::before{
  content:counter(s);position:absolute;left:0;top:1.05rem;
  width:2rem;height:2rem;display:grid;place-items:center;
  font-family:var(--serif);color:var(--shu);border:1px solid var(--shu);border-radius:50%;
  font-size:.95rem;
}
ol.steps li b{font-weight:600}
ol.steps li span{color:var(--muted);display:block;margin-top:.2rem;font-size:.96rem}

/* contact */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:2.5rem;max-width:var(--measure)}
.contact-grid a.mail{
  font-family:var(--serif);font-size:clamp(1.2rem,2.6vw,1.6rem);
  text-decoration:none;border-bottom:1px solid var(--shu);color:var(--ink);
}
.contact-grid a.mail:hover{color:var(--shu)}
.links{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-direction:column;gap:.55rem}
.links a{color:var(--muted);text-decoration:none;font-size:.96rem;transition:color .2s}
.links a:hover{color:var(--ink)}

footer{border-top:1px solid var(--line-soft);padding:2.6rem 0;color:var(--muted);font-size:.85rem}
.foot-in{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.foot-brand{display:flex;align-items:center;gap:.6rem;font-family:var(--serif);color:var(--ink);font-size:1rem}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media (max-width:720px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .paths{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:1.6rem}
  .ledger .item{grid-template-columns:1fr;gap:.4rem}
  .kanji-vert{opacity:.1}
  .enso-wrap{opacity:.5;right:-16vw}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn-primary:hover{transform:none}
}