:root {
  --bg: #f8f9ff;
  --bg2: #eeeaff;
  --ink: #1a1a2e;
  --ink2: #4a4a68;
  --coral: #ff6b6b;
  --gold: #ffd166;
  --violet: #2d2a5a;
  --display: "Outfit", "Noto Sans JP", sans-serif;
  --body: "Noto Sans JP", sans-serif;
  --hdr: 4.5rem;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html.no-scroll{overflow:hidden}
[id]{scroll-margin-top:calc(var(--hdr) + 1rem)}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}
body{font-family:var(--body);background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:none;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--coral);outline-offset:3px}

.bf-onboard{position:fixed;inset:0;z-index:10000;display:grid;place-items:center;padding:1rem;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .45s var(--ease),visibility .45s}
.bf-onboard--show{opacity:1;visibility:visible;pointer-events:auto}
.bf-onboard__scrim{position:absolute;inset:0;background:rgba(26,26,46,.55);backdrop-filter:blur(16px)}
.bf-onboard__panel{position:relative;z-index:1;width:min(26rem,100%);padding:2rem 1.75rem;background:#fff;border-radius:20px;box-shadow:0 30px 80px rgba(26,26,46,.25);transform:translateY(12px) scale(.98);transition:transform .45s var(--ease)}
.bf-onboard--show .bf-onboard__panel{transform:none}
.bf-onboard__x{position:absolute;top:.75rem;right:.75rem;width:44px;height:44px;border-radius:50%;background:var(--bg)}
.bf-onboard__x::before,.bf-onboard__x::after{content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;background:var(--ink);margin:-1px 0 0 -7px}
.bf-onboard__x::before{transform:rotate(45deg)}
.bf-onboard__x::after{transform:rotate(-45deg)}
.bf-onboard h2{font-family:var(--display);font-size:1.35rem;margin-bottom:.75rem}
.bf-onboard p{font-size:.92rem;color:var(--ink2);line-height:1.8}

.bf-hdr{position:fixed;top:0;left:0;right:0;z-index:900;height:var(--hdr);display:flex;align-items:center;transition:background .35s,box-shadow .35s}
.bf-hdr--solid{background:rgba(248,249,255,.88);backdrop-filter:blur(12px);box-shadow:0 1px 0 rgba(26,26,46,.06)}
.bf-shell{width:min(1140px,92vw);margin-inline:auto}
.bf-hdr__inner{display:flex;align-items:center;justify-content:space-between;width:min(1140px,92vw);margin-inline:auto}
.bf-brand{display:flex;align-items:center;gap:.55rem;font-family:var(--display);font-weight:600;font-size:1rem;letter-spacing:.02em}
.bf-brand img{width:2rem;height:2rem}
.bf-nav{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.bf-nav a{font-size:.88rem;min-height:44px;display:inline-flex;align-items:center}
.bf-nav a:hover{color:var(--coral)}
.bf-nav__cta{background:linear-gradient(135deg,var(--coral),#ff8e8e);color:#fff!important;padding:.45rem 1rem;border-radius:999px;font-weight:500}
.bf-menu{display:none;width:44px;height:44px;position:relative}
.bf-menu span{position:absolute;left:50%;transform:translateX(-50%);width:22px;height:2px;background:var(--ink);transition:.3s}
.bf-menu span:nth-child(1){top:14px}
.bf-menu span:nth-child(2){top:21px}
.bf-menu span:nth-child(3){top:28px}
.bf-menu--open span:nth-child(1){top:21px;transform:translateX(-50%) rotate(45deg)}
.bf-menu--open span:nth-child(2){opacity:0}
.bf-menu--open span:nth-child(3){top:21px;transform:translateX(-50%) rotate(-45deg)}
.bf-drawer{position:fixed;inset:0;z-index:899;background:var(--ink);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1.25rem;opacity:0;visibility:hidden;transition:.35s}
.bf-drawer--open{opacity:1;visibility:visible}
.bf-drawer a{font-family:var(--display);font-size:1.2rem}
@media(max-width:900px){.bf-nav{display:none}.bf-menu{display:block}}

.bf-reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.bf-reveal--in{opacity:1;transform:none}
.bf-hero .bf-reveal{opacity:1;transform:none}

.bf-tag{display:inline-block;font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:var(--coral);margin-bottom:.65rem;font-weight:600}
.bf-h1{font-family:var(--display);font-size:clamp(2rem,4.5vw,3.1rem);line-height:1.2;font-weight:700}
.bf-lead{margin-top:1rem;color:var(--ink2);max-width:36rem;font-size:1.02rem}
.bf-btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:.75rem 1.35rem;border-radius:999px;font-size:.88rem;font-weight:600;transition:transform .25s,box-shadow .25s}
.bf-btn--fill{background:linear-gradient(135deg,var(--coral),#ff9472);color:#fff;box-shadow:0 10px 30px rgba(255,107,107,.35)}
.bf-btn--fill:hover{transform:translateY(-2px)}
.bf-btn--ghost{border:1.5px solid var(--ink);color:var(--ink)}
.bf-btn--dark{background:var(--ink);color:#fff}

.bf-hero{position:relative;padding:calc(var(--hdr) + 2rem) 0 4rem;overflow:hidden}
.bf-hero__mesh{position:absolute;inset:-20%;background:
  radial-gradient(circle at 20% 30%,rgba(255,107,107,.25),transparent 45%),
  radial-gradient(circle at 80% 20%,rgba(255,209,102,.3),transparent 40%),
  radial-gradient(circle at 60% 80%,rgba(45,42,90,.15),transparent 50%);
  animation:bfMesh 18s ease-in-out infinite alternate}
@keyframes bfMesh{0%{transform:translate(0,0) scale(1)}100%{transform:translate(-3%,2%) scale(1.05)}}
.bf-hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;position:relative;z-index:1}
.bf-hero__visual{position:relative;border-radius:24px;overflow:hidden;box-shadow:0 24px 60px rgba(26,26,46,.18)}
.bf-hero__visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
.bf-hero__float{position:absolute;width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--coral));opacity:.35;filter:blur(2px);animation:bfFloat 6s ease-in-out infinite}
.bf-hero__float--a{top:-20px;right:-20px}
.bf-hero__float--b{bottom:10%;left:-30px;animation-delay:-2s;width:80px;height:80px}
@keyframes bfFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.bf-hero__chips{margin-top:1.25rem;display:flex;flex-wrap:wrap;gap:.5rem}
.bf-chip{padding:.35rem .85rem;background:#fff;border-radius:999px;font-size:.78rem;border:1px solid rgba(26,26,46,.08);box-shadow:0 4px 14px rgba(26,26,46,.06)}
@media(max-width:860px){.bf-hero__grid{grid-template-columns:1fr}}

.bf-section{padding:clamp(3rem,7vw,5rem) 0}
.bf-section--tint{background:linear-gradient(180deg,var(--bg2),var(--bg))}
.bf-head{margin-bottom:2rem}
.bf-head--center{text-align:center}
.bf-head--center .bf-lead{margin-inline:auto}

.bf-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.5rem}
.bf-stat{padding:1.5rem;background:#fff;border-radius:16px;border:1px solid rgba(26,26,46,.06);box-shadow:0 12px 40px rgba(45,42,90,.08)}
.bf-stat strong{display:block;font-family:var(--display);font-size:clamp(1.8rem,3vw,2.4rem);color:var(--coral);margin-bottom:.25rem}
.bf-stat span{font-size:.85rem;color:var(--ink2)}
.bf-stats-copy{margin-top:1.25rem;color:var(--ink2);font-size:.92rem;line-height:1.8}
@media(max-width:560px){.bf-stats{grid-template-columns:1fr}}

.bf-class-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1rem}
.bf-class-card{padding:1.35rem;background:#fff;border-radius:18px;border:1px solid rgba(26,26,46,.06);transition:transform .35s var(--ease),box-shadow .35s}
.bf-class-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(26,26,46,.1)}
.bf-class-card h3{font-family:var(--display);font-size:1.15rem;margin-bottom:.35rem}
.bf-class-card__blurb{font-size:.85rem;color:var(--ink2);min-height:2.8em}
.bf-class-card__price{margin-top:.85rem;font-size:.82rem;color:var(--ink2)}
.bf-class-card__price strong{display:block;font-size:1.45rem;color:var(--ink);font-family:var(--display)}
.bf-class-card__pack{font-size:.78rem;color:var(--ink2);margin:.35rem 0 .85rem}
.bf-class-card__acts{display:flex;flex-direction:column;gap:.45rem}
.bf-pay-pending{font-size:.75rem;color:var(--ink2);padding:.5rem 0}
.bf-pay--locked{pointer-events:none;opacity:.45}

.bf-tbl{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;border-radius:12px;overflow:hidden}
.bf-tbl th,.bf-tbl td{padding:.85rem 1rem;border-bottom:1px solid rgba(26,26,46,.08);text-align:left}
.bf-tbl th{background:var(--violet);color:#fff;font-weight:500}

.bf-deal{margin:1.5rem 0;padding:1.25rem 1.35rem;background:#fff;border-radius:14px;border:1px solid rgba(26,26,46,.08)}
.bf-deal h3{font-family:var(--display);margin-bottom:.65rem}
.bf-deal ul{padding-left:1.2rem;color:var(--ink2);font-size:.9rem}
.bf-deal li{margin-bottom:.35rem}

.bf-check{display:flex;gap:.65rem;align-items:flex-start;margin:1rem 0;font-size:.88rem;line-height:1.7}
.bf-check input{margin-top:.25rem;accent-color:var(--coral)}
.bf-check a{text-decoration:underline}
.bf-stripe-zone{margin-top:1rem}
.bf-stripe-locked{position:relative}
.bf-stripe-locked::after{content:"";position:absolute;inset:0;z-index:2;cursor:not-allowed}
.bf-stripe-pending{font-size:.88rem;color:var(--ink2);padding:1rem;background:rgba(255,107,107,.08);border-radius:12px}

.bf-duo{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:center}
.bf-duo img{border-radius:20px;box-shadow:0 20px 50px rgba(26,26,46,.12)}
@media(max-width:768px){.bf-duo{grid-template-columns:1fr}}

.bf-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.65rem}
.bf-gallery img{border-radius:14px;aspect-ratio:4/5;object-fit:cover;width:100%}
@media(max-width:640px){.bf-gallery{grid-template-columns:1fr}}

.bf-faq details{border-bottom:1px solid rgba(26,26,46,.1);padding:.25rem 0}
.bf-faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;min-height:48px;align-items:center}
.bf-faq summary::-webkit-details-marker{display:none}
.bf-faq p{padding:.5rem 0 1rem;color:var(--ink2);font-size:.92rem}

.bf-contact{display:grid;grid-template-columns:1fr 1.05fr;gap:2rem}
.bf-form-panel{background:#fff;padding:1.5rem;border-radius:18px;box-shadow:0 16px 48px rgba(26,26,46,.08)}
.bf-fld{margin-bottom:.85rem}
.bf-fld label{display:block;font-size:.78rem;margin-bottom:.25rem;color:var(--ink2)}
.bf-fld input,.bf-fld select,.bf-fld textarea{width:100%;min-height:48px;padding:.6rem .75rem;border:1px solid rgba(26,26,46,.15);border-radius:10px;font:inherit}
.bf-err{font-size:.75rem;color:#c0392b;display:none;margin-top:.2rem}
.bf-fld--bad .bf-err{display:block}
.bf-fld--bad input,.bf-fld--bad select{border-color:#c0392b}
.bf-ok{display:none;text-align:center;padding:1rem;color:var(--ink2)}
.bf-ok--show{display:block}
.bf-form-panel--sent form,.bf-form-panel--sent .bf-confirm{display:none}
.bf-fail{color:#c0392b;text-align:center;padding:1rem}
.bf-confirm{margin-top:.75rem;padding-top:.75rem;border-top:1px solid rgba(26,26,46,.08)}
@media(max-width:768px){.bf-contact{grid-template-columns:1fr}}

.bf-foot{padding:2rem 0;background:var(--ink);color:rgba(255,255,255,.78);font-size:.85rem}
.bf-foot__row{display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;align-items:center}
.legal-links{display:flex;flex-wrap:wrap;gap:.65rem 1rem;width:100%;justify-content:center;margin-bottom:.5rem}
.legal-links a:hover{color:var(--gold)}
.site-notice{width:min(1140px,92vw);margin:2rem auto 0;padding:1rem 1.15rem;background:rgba(26,26,46,.04);border-radius:12px;font-size:.88rem;line-height:1.75;color:var(--ink2)}
.site-notice strong{color:var(--ink)}
.legal-doc{padding:calc(var(--hdr) + 2rem) 0 3rem;max-width:44rem;margin:0 auto;width:min(44rem,92vw)}
.legal-doc h1{font-family:var(--display);font-size:1.45rem;margin-bottom:.5rem}
.legal-doc h2{font-size:1.05rem;margin:1.25rem 0 .5rem}
.legal-doc p,.legal-doc li{font-size:.9rem;color:var(--ink2);line-height:1.8;margin-bottom:.5rem}
.legal-doc ul{padding-left:1.15rem;list-style:disc}
.legal-table{width:100%;border-collapse:collapse;font-size:.88rem}
.legal-table th,.legal-table td{border-bottom:1px solid rgba(26,26,46,.1);padding:.6rem .35rem .6rem 0;vertical-align:top;text-align:left}
.legal-table th{width:32%;font-weight:600}
[data-bf-portal][hidden]{display:none}

.bf-payment-grid{display:flex;flex-direction:column;gap:1.25rem;margin-top:1.5rem}
.bf-pay-block{padding:1.35rem 1.4rem;background:#fff;border-radius:16px;border:1px solid rgba(26,26,46,.08);box-shadow:0 8px 28px rgba(26,26,46,.06)}
.bf-pay-block h2{font-family:var(--display);font-size:1.2rem;color:var(--ink)}
.bf-pay-block__meta{font-size:.88rem;color:var(--ink2);margin:.45rem 0 1rem}
.bf-pay-block__btns{display:flex;flex-direction:column;gap:.55rem}
@media(min-width:520px){.bf-pay-block__btns{flex-direction:row;flex-wrap:wrap}}
.bf-payment-page .bf-nav a{font-size:.88rem}

.bf-story{margin-top:clamp(2.5rem,5vw,3.5rem);padding:clamp(1.5rem,3vw,2rem);background:#fff;border-radius:20px;border:1px solid rgba(26,26,46,.07);box-shadow:0 12px 40px rgba(26,26,46,.06)}
.bf-section--tint .bf-story{background:var(--bg)}
.bf-story__body{margin-top:1.15rem;display:flex;flex-direction:column;gap:1rem}
.bf-story__body p{font-size:.95rem;line-height:1.85;color:var(--ink2)}
.bf-story__body strong{color:var(--ink);font-weight:600}