:root{
  --navy:#132238; --navy-2:#1B2F4B; --cream:#F3EEE4; --cream-2:#EAE3D6; --mist:#CFC6B5;
  --ink:#1B2A41; --ink-soft:#4E5A6B; --terra:#D9744F; --terra-deep:#B85A38;
  --on-navy:#F3EEE4; --on-navy-soft:rgba(243,238,228,.72);
  --display:"Zen Kaku Gothic New","Noto Sans JP","Hiragino Sans",sans-serif;
  --body:"Noto Sans JP","Hiragino Sans","Yu Gothic",sans-serif;
  --latin:"Inter","Helvetica Neue",Arial,sans-serif;
  --w:1040px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--cream);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;line-height:1.35}
p{margin:0}
.wrap{max-width:var(--w);margin:0 auto;padding:0 24px}
.eyebrow{font-family:var(--latin);font-weight:700;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--terra)}
.num{font-family:var(--latin);font-variant-numeric:tabular-nums}
section{padding:88px 0}
@media (max-width:640px){section{padding:64px 0}}

/* nav */
.nav{position:sticky;top:0;z-index:10;background:var(--navy);color:var(--on-navy);border-bottom:1px solid rgba(243,238,228,.12)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.mark{display:flex;align-items:center;gap:12px;text-decoration:none}
.mark svg{width:30px;height:30px}
.mark b{font-family:var(--latin);font-weight:800;letter-spacing:.14em;font-size:15px}
.nav-links{display:flex;gap:26px;font-size:14px;font-weight:500}
.nav-links a{text-decoration:none;color:var(--on-navy-soft)}
.nav-links a:hover{color:var(--on-navy)}
@media (max-width:760px){.nav-links{display:none}}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:4px;font-weight:700;text-decoration:none;font-size:15px;line-height:1;border:1.5px solid transparent;transition:background .15s,color .15s,border-color .15s}
.btn:focus-visible{outline:3px solid var(--terra);outline-offset:3px}
.btn-terra{background:var(--terra);color:#fff}
.btn-terra:hover{background:var(--terra-deep)}
.btn-ghost-light{border-color:rgba(243,238,228,.45);color:var(--on-navy)}
.btn-ghost-light:hover{border-color:var(--on-navy)}
.btn-ghost-dark{border-color:var(--navy);color:var(--navy)}
.btn-ghost-dark:hover{background:var(--navy);color:var(--on-navy)}
.btn-sm{padding:10px 16px;font-size:13px}

/* hero */
.hero{background:var(--navy);color:var(--on-navy);padding:96px 0 0}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:end}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr}}
.hero h1{font-size:clamp(26px,3.6vw,46px);font-weight:900;letter-spacing:.01em;line-height:1.3;margin-top:22px;text-wrap:initial}
.hero h1 span{display:inline-block;white-space:nowrap}
.hero .lead{font-size:17px;color:var(--on-navy-soft);margin-top:26px;max-width:36em}
.hero .cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.stair{justify-self:end;width:100%;max-width:360px;opacity:.95}
@media (max-width:860px){.stair{display:none}}
.stats{margin-top:72px;border-top:1px solid rgba(243,238,228,.16);display:grid;grid-template-columns:repeat(3,1fr)}
@media (max-width:760px){.stats{grid-template-columns:1fr}}
.stat{padding:30px 28px 34px;border-right:1px solid rgba(243,238,228,.16)}
.stat:last-child{border-right:0}
@media (max-width:760px){.stat{border-right:0;border-bottom:1px solid rgba(243,238,228,.16)}.stat:last-child{border-bottom:0}}
.stat .v{font-family:var(--latin);font-weight:800;font-size:44px;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}
.stat .v small{font-size:20px;font-weight:700;margin-left:4px;letter-spacing:0}
.stat .l{font-weight:700;margin-top:12px;font-size:15px}
.stat .s{font-size:12px;color:var(--on-navy-soft);margin-top:6px;line-height:1.6}

/* generic section heads */
.sec-head{display:grid;grid-template-columns:1fr;gap:14px;max-width:38em;margin-bottom:44px}
.sec-head h2{font-size:clamp(26px,3.4vw,36px);font-weight:700;letter-spacing:.01em}
.sec-head p{color:var(--ink-soft)}
.prose{max-width:38em}
.prose p+p{margin-top:1.2em}
.two{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
@media (max-width:820px){.two{grid-template-columns:1fr;gap:36px}}

/* curriculum timeline */
.cur{background:var(--navy);color:var(--on-navy)}
.cur .eyebrow{color:var(--terra)}
.cur .sec-head p{color:var(--on-navy-soft)}
.years{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:8px}
@media (max-width:760px){.years{grid-template-columns:1fr 1fr}}
.yr{border-top:3px solid rgba(243,238,228,.25);padding-top:14px;min-height:150px}
.yr.hot{border-top-color:var(--terra)}
.yr .y{font-family:var(--latin);font-weight:700;font-size:12px;letter-spacing:.16em;color:var(--on-navy-soft)}
.yr.hot .y{color:var(--terra)}
.yr ul{list-style:none;padding:0;margin:10px 0 0;font-size:14px;line-height:1.7}
.yr.hot ul li{font-weight:700}
.yr .flag{display:inline-block;margin-top:10px;font-size:12px;font-weight:700;color:var(--terra);letter-spacing:.06em}
.cur .note{margin-top:34px;color:var(--on-navy-soft);font-size:14px;max-width:44em}


/* method */
.method{background:var(--cream)}
.method-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:820px){.method-steps{grid-template-columns:1fr}}
.mstep{border-top:3px solid var(--navy);padding-top:18px}
.mstep:first-child{border-top-color:var(--terra)}
.mstep-lang{display:inline-block;font-family:var(--latin);font-weight:700;font-size:11px;letter-spacing:.18em;padding:4px 8px;border:1px solid var(--navy);color:var(--navy);border-radius:2px}
.mstep:first-child .mstep-lang{border-color:var(--terra);color:var(--terra)}
.mstep h3{font-size:19px;margin-top:14px}
.mstep p{margin-top:10px;font-size:15px;color:var(--ink-soft)}
.method-note{margin-top:40px;padding:22px 26px;background:var(--navy);color:var(--on-navy-soft);font-size:15px;max-width:none}

/* consult */
.consult{background:var(--cream-2)}
.consult-card{background:var(--cream);border:1px solid var(--mist);padding:36px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px}
@media (max-width:820px){.consult-card{grid-template-columns:1fr;padding:26px}}
.consult h3{font-size:22px;font-weight:700}
.kv{margin:22px 0 0;padding:0;list-style:none;display:grid;gap:12px}
.kv li{display:grid;grid-template-columns:96px 1fr;gap:14px;font-size:15px;border-top:1px solid var(--mist);padding-top:12px}
.kv li b{font-family:var(--latin);font-weight:700;font-size:12px;letter-spacing:.14em;color:var(--terra);padding-top:4px;text-transform:uppercase}
.steps{list-style:none;margin:0;padding:0;display:grid;gap:18px;counter-reset:s}
.steps li{position:relative;padding-left:44px;font-size:15px}
.steps li::before{counter-increment:s;content:counter(s);position:absolute;left:0;top:2px;width:28px;height:28px;border-radius:50%;background:var(--navy);color:var(--on-navy);font-family:var(--latin);font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}
.steps li b{display:block;font-weight:700}
.consult .cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.consult .fine{font-size:12px;color:var(--ink-soft)}

/* trial + service */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media (max-width:820px){.cards{grid-template-columns:1fr}}
.card{border:1px solid var(--mist);padding:30px;background:var(--cream)}
.card .tag{display:inline-block;font-family:var(--latin);font-weight:700;font-size:11px;letter-spacing:.18em;text-transform:uppercase;padding:5px 9px;border:1px solid var(--terra);color:var(--terra);border-radius:2px}
.card .tag.soon{border-color:var(--ink-soft);color:var(--ink-soft)}
.card h3{font-size:22px;margin-top:16px}
.card p{margin-top:12px;color:var(--ink-soft);font-size:15px}
.card ul{margin:14px 0 0;padding-left:1.2em;font-size:15px;color:var(--ink)}
.card .cta{margin-top:22px}

/* about */
.about .cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:8px}
@media (max-width:820px){.about .cols{grid-template-columns:1fr}}
.list-box{border-top:3px solid var(--navy);padding-top:18px}
.list-box.no{border-top-color:var(--terra)}
.list-box h3{font-size:18px}
.list-box ul{margin:12px 0 0;padding-left:1.2em;font-size:15px;line-height:1.85}
.anon{margin-top:44px;padding:26px 30px;background:var(--navy);color:var(--on-navy);max-width:none}
.anon p{color:var(--on-navy-soft);font-size:15px}
.anon b{color:var(--on-navy)}

/* faq */
.faq details{border-top:1px solid var(--mist)}
.faq details:last-child{border-bottom:1px solid var(--mist)}
.faq summary{cursor:pointer;list-style:none;padding:20px 40px 20px 0;font-weight:700;font-family:var(--display);font-size:17px;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font-family:var(--latin);font-size:24px;color:var(--terra);font-weight:500}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 22px;color:var(--ink-soft);max-width:44em;font-size:15px}

/* footer */
footer{background:var(--navy);color:var(--on-navy-soft);padding:48px 0 40px;font-size:13px}
footer .wrap{display:grid;grid-template-columns:1fr auto;gap:24px;align-items:start}
@media (max-width:640px){footer .wrap{grid-template-columns:1fr}}
footer .mark b{color:var(--on-navy)}
footer .links{display:flex;gap:18px;margin-top:14px}
footer .links a{text-decoration:none;color:var(--on-navy)}
footer .disc{margin-top:18px;max-width:52em;line-height:1.8}

/* contact button: LINEモードは緑、フォームモードはテラコッタ（site.js が html に mode-line / mode-form を付ける） */
.btn-contact{background:var(--terra);color:#fff}
.btn-contact:hover{background:var(--terra-deep)}
.mode-line .btn-contact{background:#06C755}
.mode-line .btn-contact:hover{background:#05A847}
.if-line{display:none}
.mode-line .if-line{display:inline}
.mode-line .if-form{display:none}

/* price */
.price{background:var(--cream)}
#courses{background:var(--cream-2)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media (max-width:820px){.plans{grid-template-columns:1fr}}
.plan{background:var(--cream);border:1px solid var(--mist);border-top:3px solid var(--navy);padding:28px}
.plan.mid{border-top-color:var(--terra)}
.plan .n{font-weight:700;font-size:15px}
.plan .p{font-family:var(--latin);font-weight:800;font-size:40px;letter-spacing:-.02em;line-height:1.1;margin-top:10px;font-variant-numeric:tabular-nums}
.plan .p small{font-family:var(--body);font-size:15px;font-weight:700;margin-left:4px;letter-spacing:0}
.plan .s{font-size:13px;color:var(--ink-soft);margin-top:8px}
.price-note{margin-top:28px;font-size:14px;color:var(--ink-soft);max-width:44em}
.price-note li+li{margin-top:4px}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
@media (max-width:980px){.team-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:640px){.team-grid{grid-template-columns:1fr 1fr}}
@media (max-width:420px){.team-grid{grid-template-columns:1fr}}
.member{border-top:3px solid var(--navy);padding-top:18px}
.member .role{font-family:var(--latin);font-weight:700;font-size:12px;letter-spacing:.16em;color:var(--terra);text-transform:uppercase}
.member h3{font-size:19px;margin-top:8px}
.member ul{margin:12px 0 0;padding-left:1.2em;font-size:15px;line-height:1.85}

/* sub pages */
.page-head{background:var(--navy);color:var(--on-navy);padding:72px 0 64px}
.page-head h1{font-size:clamp(26px,3.4vw,40px);font-weight:900;margin-top:18px}
.page-head .lead{font-size:16px;color:var(--on-navy-soft);margin-top:20px;max-width:38em}
.doc{max-width:46em}
.doc h2{font-size:22px;margin:48px 0 14px}
.doc h2:first-child{margin-top:0}
.doc p,.doc li{font-size:15px}
.doc p+p{margin-top:1em}
.doc ul,.doc ol{padding-left:1.3em;margin:10px 0 0}
.law{width:100%;border-collapse:collapse;font-size:15px}
.law th,.law td{border-top:1px solid var(--mist);padding:16px 12px;text-align:left;vertical-align:top}
.law tr:last-child th,.law tr:last-child td{border-bottom:1px solid var(--mist)}
.law th{width:30%;font-weight:700;background:var(--cream-2)}
@media (max-width:640px){.law th,.law td{display:block;width:100%}.law td{border-top:0;padding-top:4px}}
.tbd{background:#FBE3D9;color:var(--terra-deep);padding:1px 6px;border-radius:2px;font-weight:700}
.cost{width:100%;border-collapse:collapse;font-size:15px;margin-top:18px}
.cost th,.cost td{border-top:1px solid var(--mist);padding:12px 10px;text-align:left;vertical-align:top}
.cost tr:last-child td{border-bottom:1px solid var(--mist)}
.cost th{font-size:13px;color:var(--ink-soft);font-weight:700}
.cost td.v{font-family:var(--latin);font-weight:700;white-space:nowrap}
.cta-band{background:var(--navy);color:var(--on-navy);padding:56px 0}
.cta-band h2{font-size:clamp(22px,3vw,30px)}
.cta-band p{color:var(--on-navy-soft);margin-top:12px;max-width:38em}
.cta-band .cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}
footer .links{flex-wrap:wrap}
footer .legal{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:12px}
footer .legal a{color:var(--on-navy-soft)}
@media (max-width:420px){.hero h1 span{white-space:normal}}
.nav .btn{white-space:nowrap}
.nav-links a{white-space:nowrap}
@media (max-width:980px){.nav-links{gap:16px;font-size:13px}}
@media (max-width:860px){.nav-links{display:none}}

/* price blocks */
.slots{background:var(--terra);color:#fff;padding:16px 22px;border-radius:4px;font-size:15px;margin-bottom:48px}
.slots b{margin-right:8px;font-size:16px}
.price-block+.price-block{margin-top:44px}
.price-block h3{font-size:22px;display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.promo{font-family:var(--body);font-size:12px;font-weight:700;letter-spacing:.04em;padding:5px 10px;border-radius:2px;background:var(--terra);color:#fff}
.price-lead{margin:10px 0 20px;color:var(--ink-soft);font-size:15px;max-width:44em}
.plan{position:relative}
.plan.best{border:2px solid var(--terra);border-top-width:3px;background:#FFF8F1}
.plan .save{position:absolute;top:-13px;left:20px;background:var(--terra);color:#fff;font-size:12px;font-weight:700;padding:4px 10px;border-radius:2px;white-space:nowrap}
.plan .per{font-size:13px;margin-top:8px;color:var(--ink)}
.plan .per b{font-family:var(--latin);color:var(--terra-deep);font-size:15px}
.compare{display:grid;grid-template-columns:1fr auto 1fr;gap:18px;align-items:center;margin-top:44px;background:var(--navy);color:var(--on-navy);padding:28px}
@media (max-width:720px){.compare{grid-template-columns:1fr}.c-arrow{transform:rotate(90deg);justify-self:center}}
.c-l{font-weight:700;font-size:14px}
.c-v{font-family:var(--latin);font-weight:800;font-size:40px;line-height:1.15;margin-top:6px}
.c-v small{font-family:var(--body);font-size:16px;margin-left:4px}
.c-item.bad .c-v{color:var(--on-navy-soft)}
.c-item.good .c-v{color:var(--terra)}
.c-s{font-size:12px;color:var(--on-navy-soft);margin-top:6px}
.c-arrow{font-size:28px;color:var(--terra)}

.team-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:36px;background:var(--navy);color:var(--on-navy);padding:24px 28px}
@media (max-width:640px){.team-stats{grid-template-columns:1fr}}
.team-stats b{display:block;font-family:var(--latin);font-weight:800;font-size:36px;line-height:1.1;color:var(--terra)}
.team-stats span{font-size:13px;color:var(--on-navy-soft)}
.member{background:var(--cream);border:1px solid var(--mist);border-top:3px solid var(--navy);padding:20px}
.member .avatar{width:44px;height:44px;border-radius:50%;background:var(--navy);color:var(--cream);font-family:var(--latin);font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.member h3{font-size:16px}
.member ul{font-size:14px}