/* ==========================================================
   Cohort Nihongo — by Bureau of Cohort
   Warna diambil dari logo Bureau of Cohort
   ========================================================== */
:root{
  --orange:#F2702A; --orange-d:#C9531A; --orange-l:#FFE3CF;
  --navy:#14284A; --navy-2:#1F3A66; --blue:#9FB3CB; --blue-l:#E4EBF4;
  --cream:#FFF6EA; --cream-2:#F6E7D2; --paper:#FFFFFF;
  --ink:#14284A; --muted:#55627A; --line:#EADBC6;
  --ok:#2E8B57; --ok-l:#DDF3E6; --bad:#C8402B; --bad-l:#FBE1DC;
  --r:20px; --r-sm:12px;
  --shadow:0 14px 34px -18px rgba(20,40,74,.35);
  --shadow-sm:0 2px 0 rgba(20,40,74,.06),0 6px 16px -10px rgba(20,40,74,.3);
  --f-h:"M PLUS Rounded 1c","Plus Jakarta Sans",system-ui,sans-serif;
  --f-b:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --f-jp:"Klee One","M PLUS Rounded 1c","Hiragino Kaku Gothic ProN","Noto Sans JP",sans-serif;
  --wrap:1180px; --gut:clamp(16px,4vw,40px);
  --header-h:68px;
}
:root:not([data-theme="light"]){color-scheme:light}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --cream:#0F1A2E; --cream-2:#17243D; --paper:#18263F;
    --ink:#EEF2F8; --muted:#A9B6CA; --line:#2A3A57;
    --navy:#EEF2F8; --navy-2:#C9D6EA; --blue-l:#1D2D4A; --orange-l:#3A2618;
    --ok-l:#163626; --bad-l:#3B1F1A;
    --shadow:0 14px 34px -18px rgba(0,0,0,.6);
    --shadow-sm:0 2px 0 rgba(0,0,0,.2),0 6px 16px -10px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --cream:#0F1A2E; --cream-2:#17243D; --paper:#18263F;
  --ink:#EEF2F8; --muted:#A9B6CA; --line:#2A3A57;
  --navy:#EEF2F8; --navy-2:#C9D6EA; --blue-l:#1D2D4A; --orange-l:#3A2618;
  --ok-l:#163626; --bad-l:#3B1F1A;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--f-b);font-size:16.5px;line-height:1.65;color:var(--ink);background:var(--cream);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{display:block;max-width:100%;height:auto}
a{color:var(--orange-d)}
h1,h2,h3,h4{font-family:var(--f-h);color:var(--navy);line-height:1.2;margin:0 0 .5em;letter-spacing:-.01em;font-weight:800}
h1{font-size:clamp(2rem,5.2vw,3.5rem)}
h2{font-size:clamp(1.6rem,3.6vw,2.4rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
.jp{font-family:var(--f-jp);font-weight:600}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.section{padding:clamp(56px,8vw,96px) 0}
.section-tint{background:var(--paper)}
.section-head{max-width:680px;margin-bottom:36px}
.section-head.center{margin-inline:auto;text-align:center}
.lead{font-size:1.1rem;color:var(--muted)}
.muted{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--orange-d);margin-bottom:10px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--orange)}
.skip{position:absolute;left:-999px;top:8px;background:var(--navy);color:#fff;padding:10px 16px;border-radius:8px;z-index:100}
.skip:focus{left:8px}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px;border-radius:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:1rem;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:transform .15s,box-shadow .2s,background .2s;font-family:inherit;line-height:1.2}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 5px 0 var(--orange-d)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--orange-d)}
.btn-primary:active{transform:translateY(3px);box-shadow:0 2px 0 var(--orange-d)}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--navy)}
.btn-ghost:hover{background:var(--blue-l)}
.btn-navy{background:#14284A;color:#fff;box-shadow:0 5px 0 #0A1730}
.btn-wa{background:#1FAF5B;color:#fff;box-shadow:0 5px 0 #13813f}
.btn-wa:hover{transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:8px 18px;font-size:.92rem}
.btn-block{width:100%}
.btn svg{width:20px;height:20px;flex:none}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--cream) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.header-in{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--navy);flex:none}
.brand img{width:42px;height:42px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-family:var(--f-h);font-weight:800;font-size:1.18rem;letter-spacing:-.01em}
.brand-text small{font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--orange-d)}
.main-nav{margin-left:auto}
.main-nav ul{list-style:none;display:flex;gap:4px;margin:0;padding:0}
.main-nav a{display:block;padding:8px 14px;border-radius:999px;text-decoration:none;font-weight:600;color:var(--navy)}
.main-nav a:hover{background:var(--blue-l)}
.main-nav a[aria-current="page"]{background:var(--orange-l);color:var(--orange-d)}
.header-cta{flex:none}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--paper);color:var(--navy);display:grid;place-items:center;cursor:pointer;flex:none}
.icon-btn svg{width:20px;height:20px}
.menu-toggle{display:none}

/* mobile sheet */
.mobile-sheet{position:fixed;inset:0;z-index:80;background:rgba(10,23,48,.5);display:flex;justify-content:flex-end;opacity:0;pointer-events:none;transition:opacity .2s}
.mobile-sheet.open{opacity:1;pointer-events:auto}
.sheet-panel{width:min(360px,88vw);height:100%;background:var(--cream);padding:20px;overflow:auto;transform:translateX(100%);transition:transform .25s}
.mobile-sheet.open .sheet-panel{transform:none}
.sheet-panel ul{list-style:none;margin:20px 0;padding:0;display:grid;gap:4px}
.sheet-panel a{display:block;padding:12px 14px;border-radius:12px;text-decoration:none;color:var(--navy);font-weight:600}
.sheet-panel a:hover{background:var(--blue-l)}
.sheet-panel .sub{font-weight:500;padding-left:28px;font-size:.95rem}
.sheet-head{display:flex;justify-content:space-between;align-items:center}

/* bottom tab bar (mobile) */
.tabbar{display:none}

/* breadcrumb */
.crumbs{font-size:.88rem;color:var(--muted);padding-top:20px}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--blue)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--orange-d)}

/* ---------- hero ---------- */
.hero{padding:clamp(32px,6vw,72px) 0 clamp(48px,7vw,88px);position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,var(--orange-l),transparent 65%);right:-180px;top:-160px;z-index:-1}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(24px,5vw,64px);align-items:center}
.hero h1 .hl{color:var(--orange);white-space:nowrap}
.hero .lead{max-width:34em;margin:18px 0 28px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:0;list-style:none}
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:var(--paper);border:1px solid var(--line);font-size:.86rem;font-weight:600;color:var(--navy)}
.hero-art{position:relative;display:grid;place-items:center;padding-top:64px}
.hero-blob{position:absolute;inset:18% 6% 4%;border-radius:46% 54% 42% 58%/52% 44% 56% 48%;background:var(--blue-l);z-index:0}
.mascot{position:relative;z-index:1;width:min(360px,80%);filter:drop-shadow(0 18px 24px rgba(20,40,74,.18))}
.mascot .koru-wave{transform-origin:160px 176px;animation:wave 2.6s ease-in-out infinite}
@keyframes wave{0%,60%,100%{transform:rotate(0)}70%{transform:rotate(-10deg)}80%{transform:rotate(6deg)}90%{transform:rotate(-6deg)}}
.bubble{position:absolute;z-index:2;background:var(--paper);border:2px solid var(--navy);border-radius:18px;padding:8px 16px;font-family:var(--f-jp);font-weight:600;font-size:1.25rem;color:var(--navy);box-shadow:var(--shadow-sm)}
.bubble small{display:block;font-family:var(--f-b);font-size:.75rem;color:var(--muted);font-weight:600}
.bubble::after{content:"";position:absolute;width:14px;height:14px;background:var(--paper);border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);bottom:-9px;left:28px;transform:rotate(45deg)}
.hero-art .bubble{top:0;left:4%}
.try-kana{margin-top:30px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;box-shadow:var(--shadow-sm);max-width:480px}
.try-kana p{margin:0 0 10px;font-weight:700;font-size:.92rem}
.try-kana .row{display:flex;gap:8px;flex-wrap:wrap}

/* kana tile button */
.kana-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0;min-width:56px;min-height:60px;padding:6px 8px;border-radius:14px;border:2px solid var(--line);background:var(--cream);color:var(--navy);cursor:pointer;font-family:inherit;transition:transform .12s,border-color .15s,background .15s}
.kana-btn:hover{border-color:var(--orange);transform:translateY(-2px)}
.kana-btn.playing{background:var(--orange-l);border-color:var(--orange)}
.kana-btn .k{font-family:var(--f-jp);font-size:1.7rem;line-height:1.1;font-weight:600}
.kana-btn .r{font-size:.78rem;color:var(--muted);font-weight:600}

/* ---------- cards & grids ---------- */
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:24px;box-shadow:var(--shadow-sm);position:relative}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
a.card{text-decoration:none;color:inherit;display:flex;flex-direction:column;transition:transform .2s,border-color .2s}
a.card:hover{transform:translateY(-4px);border-color:var(--orange)}
.card .go{margin-top:auto;padding-top:14px;font-weight:700;color:var(--orange-d);display:inline-flex;align-items:center;gap:6px}
.card-icon{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-family:var(--f-jp);font-size:1.7rem;font-weight:600;background:var(--orange-l);color:var(--orange-d);margin-bottom:14px}
.card-icon.blue{background:var(--blue-l);color:var(--navy-2)}
.tag{display:inline-block;font-size:.74rem;font-weight:700;letter-spacing:.04em;padding:3px 10px;border-radius:999px;background:var(--blue-l);color:var(--navy-2)}
.tag.orange{background:var(--orange-l);color:var(--orange-d)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.path-card{border-top:6px solid var(--orange)}
.path-card:nth-child(2){border-top-color:var(--blue)}
.path-card:nth-child(3){border-top-color:#14284A}

/* steps / timeline */
.timeline{list-style:none;margin:0;padding:0;display:grid;gap:14px;counter-reset:t}
.timeline>li{counter-increment:t;display:grid;grid-template-columns:52px 1fr;gap:16px;align-items:start;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px}
.timeline>li::before{content:counter(t);width:52px;height:52px;border-radius:50%;background:var(--orange);color:#fff;font-family:var(--f-h);font-weight:800;font-size:1.35rem;display:grid;place-items:center}
.timeline h3{font-size:1.08rem;margin:.2em 0 .25em}
.timeline p{margin:0;color:var(--muted);font-size:.96rem}
.timeline .meta{font-size:.8rem;font-weight:700;color:var(--orange-d)}
.steps-h{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.steps-h li{counter-increment:s;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:18px;position:relative}
.steps-h li::before{content:counter(s);display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:#14284A;color:#fff;font-weight:800;margin-bottom:10px}
.steps-h b{display:block;color:var(--navy);margin-bottom:4px}
.steps-h span{font-size:.92rem;color:var(--muted)}

/* program cards */
.filter{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.filter button{min-height:40px;padding:8px 16px;border-radius:999px;border:2px solid var(--line);background:var(--paper);color:var(--navy);font-weight:700;font-family:inherit;cursor:pointer}
.filter button[aria-pressed="true"]{background:#14284A;border-color:#14284A;color:#fff}
.program{display:flex;flex-direction:column;gap:10px}
.program .price{margin:0;font-family:var(--f-h);font-weight:800;font-size:1.9rem;color:var(--orange-d);line-height:1}
.program .price small{font-size:.85rem;color:var(--muted);font-weight:600;font-family:var(--f-b)}
.program .per{margin:0;font-size:.82rem;color:var(--muted)}
.program ul{margin:0;padding:0 0 0 2px;list-style:none;display:grid;gap:6px}
.program li{display:flex;gap:8px;font-size:.95rem}
.program li::before{content:"✓";color:var(--ok);font-weight:800;flex:none}
.program .meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:.88rem;font-weight:600;color:var(--navy-2);padding:10px 0;border-block:1px dashed var(--line)}
.program .btn{margin-top:auto}
.program.featured{border:2px solid var(--orange)}
.ribbon{position:absolute;top:-12px;right:18px;background:var(--orange);color:#fff;font-size:.75rem;font-weight:800;padding:4px 12px;border-radius:999px}

/* tables */
.table-wrap{overflow-x:auto;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--paper);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:520px}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--cream-2);color:var(--navy);font-size:.88rem;letter-spacing:.02em}
tr:last-child td{border-bottom:0}
td .jp{font-size:1.15rem}

/* kana chart */
.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px}
.seg{display:inline-flex;flex-wrap:wrap;background:var(--paper);border:1px solid var(--line);border-radius:22px;padding:4px}
.seg button{min-height:38px;line-height:1.2;padding:6px 16px;border:0;border-radius:999px;background:transparent;color:var(--navy);font-weight:700;font-family:inherit;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--orange);color:#fff}
.kana-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}
.kana-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.kana-cell{aspect-ratio:1/1.05;min-height:76px;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:16px;border:2px solid var(--line);background:var(--paper);color:var(--navy);cursor:pointer;font-family:inherit;padding:4px;transition:transform .12s,border-color .15s,background .15s;position:relative}
.kana-cell:hover{border-color:var(--orange);transform:translateY(-2px)}
.kana-cell.playing{background:var(--orange-l);border-color:var(--orange)}
.kana-cell .k{font-family:var(--f-jp);font-size:clamp(1.8rem,5vw,2.6rem);line-height:1.1;font-weight:600}
.kana-cell .r{font-size:.85rem;font-weight:700;color:var(--muted)}
.kana-cell.empty{visibility:hidden}
.hide-romaji .kana-cell .r{visibility:hidden}
.kana-row-label{grid-column:1/-1;font-weight:800;font-size:.85rem;color:var(--orange-d);margin-top:10px;letter-spacing:.06em}
.chart-block{margin-bottom:40px}

/* vocab */
.search{position:relative;max-width:420px;flex:1 1 260px}
.search input{width:100%;min-height:48px;padding:10px 16px 10px 44px;border-radius:999px;border:2px solid var(--line);background:var(--paper);color:var(--ink);font:inherit}
.search input:focus{border-color:var(--orange);outline:none}
.search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--muted)}
.vocab-group{margin-bottom:34px}
.vocab-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.word{display:grid;grid-template-columns:1fr auto;align-items:center;gap:6px 12px;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px}
.word .w-jp{font-family:var(--f-jp);font-size:1.3rem;font-weight:600;color:var(--navy);line-height:1.3}
.word .w-ro{font-size:.84rem;color:var(--muted);font-weight:600}
.word .w-id{grid-column:1/-1;font-size:.98rem;border-top:1px dashed var(--line);padding-top:6px}
.speak{width:42px;height:42px;border-radius:50%;border:0;background:var(--orange-l);color:var(--orange-d);display:grid;place-items:center;cursor:pointer;flex:none;grid-row:span 2}
.speak:hover{background:var(--orange);color:#fff}
.speak svg{width:20px;height:20px}
.no-result{padding:24px;text-align:center;color:var(--muted);background:var(--paper);border-radius:var(--r-sm);border:1px dashed var(--line)}

/* phrase / dialogue */
.phrase-list{display:grid;gap:10px}
.phrase{display:grid;grid-template-columns:1fr auto;gap:4px 14px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px}
.phrase .p-jp{font-family:var(--f-jp);font-size:1.25rem;font-weight:600;color:var(--navy)}
.phrase .p-ro{font-size:.86rem;color:var(--muted);font-weight:600}
.phrase .p-id{font-size:.98rem}
.dialog{display:grid;gap:12px;background:var(--blue-l);border-radius:var(--r);padding:20px}
.line{display:flex;gap:12px;align-items:flex-end;max-width:92%}
.line.me{margin-left:auto;flex-direction:row-reverse}
.avatar{width:42px;height:42px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:800;background:var(--paper);border:2px solid var(--line);overflow:hidden}
.avatar img{width:100%}
.say{background:var(--paper);border-radius:16px 16px 16px 4px;padding:10px 14px;box-shadow:var(--shadow-sm)}
.line.me .say{border-radius:16px 16px 4px 16px;background:#14284A;color:#fff}
.line.me .say .p-jp{color:#fff}
.line.me .say .p-ro,.line.me .say .p-id{color:#C9D6EA}
.say .p-jp{font-family:var(--f-jp);font-size:1.15rem;font-weight:600;color:var(--navy);display:block}
.say .p-ro{font-size:.82rem;color:var(--muted);display:block}
.say .p-id{font-size:.92rem;display:block}

/* kanji */
.kanji-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.kanji{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px;display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:center}
.kanji .big{font-family:var(--f-jp);font-size:3rem;line-height:1;color:var(--navy);grid-row:span 3;width:72px;height:72px;display:grid;place-items:center;background:var(--cream);border-radius:14px;cursor:pointer;border:2px solid transparent}
.kanji .big:hover{border-color:var(--orange)}
.kanji .mean{font-weight:800;color:var(--navy)}
.kanji .read{font-size:.82rem;color:var(--muted)}
.kanji .read b{font-family:var(--f-jp);color:var(--navy-2);font-weight:600}
.kanji .ex{grid-column:1/-1;font-size:.9rem;border-top:1px dashed var(--line);padding-top:8px;margin-top:6px}
.kanji .ex .jp{font-size:1.05rem}

/* quiz */
.quiz{background:var(--paper);border:2px solid var(--line);border-radius:var(--r);padding:clamp(18px,3vw,28px);box-shadow:var(--shadow);display:grid;grid-template-columns:160px 1fr;gap:24px;align-items:center}
.quiz-mascot{display:grid;place-items:center}
.quiz-mascot img{width:150px;transition:transform .3s}
.quiz.good .quiz-mascot img{transform:translateY(-8px) rotate(-4deg)}
.quiz.bad .quiz-mascot img{transform:rotate(6deg)}
.quiz-top{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;align-items:center;margin-bottom:12px}
.score{display:flex;gap:14px;font-weight:700;font-size:.9rem;color:var(--muted)}
.score b{color:var(--navy)}
.q-prompt{font-family:var(--f-jp);font-size:clamp(3rem,10vw,4.6rem);font-weight:600;color:var(--navy);text-align:center;line-height:1.1;padding:10px 0 4px;min-height:1.2em}
.q-prompt.latin{font-family:var(--f-h);font-size:clamp(2rem,7vw,3rem)}
.q-hint{text-align:center;color:var(--muted);font-size:.9rem;margin-bottom:14px;min-height:1.4em}
.q-options{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.q-opt{min-height:56px;border-radius:14px;border:2px solid var(--line);background:var(--cream);color:var(--navy);font-weight:700;font-size:1.15rem;cursor:pointer;font-family:inherit;transition:transform .1s,border-color .15s}
.q-opt.jp{font-family:var(--f-jp);font-size:1.6rem}
.q-opt:hover:not(:disabled){border-color:var(--orange);transform:translateY(-1px)}
.q-opt.correct{background:var(--ok-l);border-color:var(--ok);color:var(--ok)}
.q-opt.wrong{background:var(--bad-l);border-color:var(--bad);color:var(--bad)}
.q-opt:disabled{cursor:default}
.q-feedback{min-height:1.6em;text-align:center;font-weight:700;margin-top:12px}
.q-feedback.good{color:var(--ok)}
.q-feedback.bad{color:var(--bad)}

/* faq */
.faq-list{display:grid;gap:10px;max-width:860px}
.faq-list.center{margin:0 auto}
details.faq{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:0 20px}
details.faq summary{cursor:pointer;list-style:none;padding:18px 36px 18px 0;font-weight:700;color:var(--navy);position:relative}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:1.6rem;color:var(--orange);transition:transform .2s;font-weight:500}
details.faq[open] summary::after{transform:translateY(-50%) rotate(45deg)}
details.faq .ans{padding:0 0 18px;color:var(--muted)}
details.faq .ans p:last-child{margin:0}

/* article (long-form) */
.article{max-width:760px}
.article h2{margin-top:1.6em;font-size:clamp(1.4rem,3vw,1.9rem)}
.article h3{margin-top:1.4em}
.article ul,.article ol{padding-left:1.3em}
.article li{margin-bottom:.4em}
.callout{display:flex;gap:16px;align-items:flex-start;background:var(--orange-l);border-radius:var(--r);padding:18px 20px;margin:24px 0}
.callout img{width:64px;flex:none}
.callout p{margin:0}
.callout.blue{background:var(--blue-l)}
.toc{background:var(--paper);border:1px solid var(--line);border-radius:var(--r-sm);padding:18px 22px;margin:24px 0}
.toc b{display:block;margin-bottom:6px;color:var(--navy)}
.toc ol{margin:0;padding-left:1.2em}
.toc a{text-decoration:none}
.page-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.aside{position:sticky;top:calc(var(--header-h) + 20px);display:grid;gap:16px}
.aside .card{padding:20px}
.check-list{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.check-list label{display:flex;gap:10px;align-items:flex-start;cursor:pointer;font-weight:600;font-size:.95rem}
.check-list input{width:20px;height:20px;accent-color:var(--orange);margin-top:2px;flex:none}
.progress{height:10px;border-radius:999px;background:var(--cream-2);overflow:hidden;margin:10px 0 6px}
.progress span{display:block;height:100%;width:0;background:var(--orange);border-radius:999px;transition:width .3s}

/* page hero (subpages) */
.page-hero{padding:28px 0 40px}
.page-hero-grid{display:grid;grid-template-columns:1fr 220px;gap:32px;align-items:center}
.page-hero h1{font-size:clamp(1.9rem,4.6vw,3rem);margin-top:12px}
.page-hero .lead{margin-bottom:0;max-width:40em}
.page-hero .mini-mascot{width:200px;justify-self:end}

/* BoC band */
.boc{display:grid;grid-template-columns:180px 1fr;gap:32px;align-items:center;background:#14284A;color:#E4EBF4;border-radius:28px;padding:clamp(24px,4vw,44px);position:relative;overflow:hidden}
.boc h2{color:#fff}
.boc p{color:#C9D6EA}
.boc img{border-radius:20px;background:#FFF4E4}
.boc .btn-ghost{color:#fff;border-color:#fff}
.boc .btn-ghost:hover{background:rgba(255,255,255,.1)}

/* CTA band */
.cta-band{background:var(--orange);border-radius:28px;padding:clamp(28px,5vw,52px);display:grid;grid-template-columns:1fr 200px;gap:24px;align-items:center;color:#fff;position:relative;overflow:hidden}
.cta-band h2{color:#fff}
.cta-band p{color:#FFE9DA;font-size:1.08rem}
.cta-band .btn-navy{box-shadow:0 5px 0 #0A1730}
.cta-band img{width:200px}

/* footer */
.site-footer{background:#14284A;color:#C9D6EA;padding:56px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.site-footer h3{color:#fff;font-size:1rem;margin-bottom:12px}
.site-footer ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.site-footer a{color:#C9D6EA;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline}
.f-brand{display:flex;gap:12px;align-items:center;margin-bottom:12px}
.f-brand img{width:48px}
.f-brand strong{display:block;color:#fff;font-family:var(--f-h);font-size:1.25rem}
.f-brand small{color:var(--orange);font-weight:700;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase}
.socials{display:flex;gap:10px;margin-top:14px}
.socials a{width:42px;height:42px;border-radius:50%;background:rgba(255,255,255,.1);display:grid;place-items:center}
.socials svg{width:20px;height:20px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.86rem}

/* toast */
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%) translateY(20px);background:#14284A;color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;font-size:.92rem;opacity:0;pointer-events:none;transition:.25s;z-index:90;max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%)}

/* floating WA (desktop) */
.wa-float{position:fixed;right:22px;bottom:22px;z-index:60;width:60px;height:60px;border-radius:50%;background:#1FAF5B;color:#fff;display:grid;place-items:center;box-shadow:0 10px 26px -6px rgba(0,0,0,.4);transition:transform .2s}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:30px;height:30px}

/* reveal */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* 404 */
.nf{text-align:center;padding:80px 0}
.nf img{width:220px;margin:0 auto 20px}

/* ---------- responsive ---------- */
@media (max-width:1020px){
  .g4{grid-template-columns:repeat(2,1fr)}
  .steps-h{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .page-layout{grid-template-columns:minmax(0,1fr)}
  .aside{position:static}
}
@media (max-width:880px){
  .main-nav,.header-cta{display:none}
  .menu-toggle{display:grid;margin-left:auto}
  .hero-grid,.g3,.g2{grid-template-columns:1fr}
  .hero-art{order:-1;max-width:340px;margin:0 auto}
  .mascot{width:min(240px,70%)}
  .boc,.cta-band{grid-template-columns:1fr}
  .boc img{width:120px}
  .cta-band img{width:130px;justify-self:center}
  .quiz{grid-template-columns:minmax(0,1fr);position:relative;margin-top:24px}
  .quiz-mascot{position:absolute;top:-34px;right:10px}
  .quiz-mascot img{width:66px}
  .quiz-top{padding-right:64px}
  .page-hero-grid{grid-template-columns:1fr 110px}
  .page-hero .mini-mascot{width:110px}
  /* bottom tab bar */
  body{padding-bottom:72px}
  .tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--paper);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));box-shadow:0 -8px 24px -16px rgba(20,40,74,.4)}
  .tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--muted);font-size:.7rem;font-weight:700;padding:4px 0;border-radius:10px}
  .tabbar a svg{width:24px;height:24px}
  .tabbar a[aria-current="page"]{color:var(--orange-d)}
  .tabbar a.tab-wa{color:#1FAF5B}
  .wa-float{display:none}
  .toast{bottom:90px}
}
@media (max-width:560px){
  body{font-size:16px}
  .g4,.steps-h{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .kana-grid{gap:6px}
  .kana-cell{border-radius:12px;min-height:64px}
  .hero h1 .hl{white-space:normal}
  .cta-row .btn{flex:1 1 100%}
  .brand-text small{font-size:.6rem}
  .page-hero-grid{grid-template-columns:1fr}
  .page-hero .mini-mascot{display:none}
  .q-options{grid-template-columns:1fr 1fr}
  .card{padding:20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media print{
  .site-header,.tabbar,.wa-float,.site-footer,.quiz,.cta-band{display:none!important}
  body{background:#fff;color:#000}
}