/* Hana Learn — shared stylesheet for the /learn pages.
   Palette + type mirror index.html: washi paper, ink, vermillion. */
:root{
  --washi:#FCF7F5; --ink:#2B2E42; --verm:#DB5747; --press:#B23F35;
  --link:#C24A3E; --line:#F0E4DE; --blossom:#FBE9E4; --gold:#B98A2F;
  --card:#FFFFFF; --sub:rgba(43,46,66,.66); --faint:rgba(43,46,66,.45);
  --disp:'M PLUS Rounded 1c',ui-rounded,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--washi);color:var(--ink);
     font-family:'Zen Kaku Gothic New',system-ui,sans-serif;
     line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--press)}
img{max-width:100%}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(219,87,71,.55);outline-offset:2px;border-radius:6px}

/* ---------- chrome ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(252,247,245,.9);
        backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
        padding:11px 20px;display:flex;align-items:center;gap:18px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);
       font-family:var(--disp);font-weight:800;font-size:16px;white-space:nowrap}
.brand img{width:30px;height:30px;border-radius:8px;box-shadow:0 3px 8px rgba(219,87,71,.28)}
.lnav{display:flex;gap:16px;font-size:13.5px;margin-left:auto;align-items:center;flex-wrap:wrap}
.lnav a{color:var(--sub);font-weight:500}
.lnav a.on{color:var(--link);font-weight:700}
.lnav .get{background:var(--verm);color:#fff;font-family:var(--disp);font-weight:800;
           padding:8px 16px;border-radius:999px;box-shadow:0 6px 16px rgba(219,87,71,.32)}
.lnav .get:hover{background:var(--press);color:#fff}
@media(max-width:760px){.lnav a:not(.get){display:none}}

.crumbs{max-width:1080px;margin:18px auto 0;padding:0 20px;font-size:12.5px;color:var(--faint)}
.crumbs a{color:var(--faint)}
.crumbs a:hover{color:var(--link)}

.hero-learn{text-align:center;padding:38px 20px 6px;max-width:860px;margin:0 auto}
.hero-learn .jp{font-family:var(--disp);font-weight:800;font-size:12px;
                letter-spacing:.35em;color:var(--verm)}
.hero-learn h1{font-family:var(--disp);font-weight:800;line-height:1.2;
               font-size:clamp(28px,5vw,42px);margin:10px 0 0;text-wrap:balance}
.hero-learn .sub{margin:14px auto 0;max-width:640px;color:var(--sub);font-size:16px}

.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.prose{max-width:720px;margin:0 auto;padding:0 20px}
.prose h2,.wrap h2{font-family:var(--disp);font-weight:800;font-size:clamp(20px,3vw,26px);
   margin:2.2em 0 .6em;padding-left:14px;border-left:4px solid var(--verm);border-radius:2px}
.prose h3{font-family:var(--disp);font-weight:800;font-size:17px;margin:1.6em 0 .4em}
.prose p,.prose li{color:rgba(43,46,66,.86)}
.prose strong{color:var(--press)}
.tag{display:inline-block;font-family:var(--disp);font-weight:800;font-size:11px;
     letter-spacing:.14em;color:var(--verm);background:var(--blossom);
     padding:3px 10px;border-radius:999px}

/* ---------- kana chart ---------- */
.tabbar{position:sticky;top:57px;z-index:40;display:flex;gap:8px;overflow-x:auto;
        padding:12px 20px;max-width:1080px;margin:22px auto 0;
        background:linear-gradient(var(--washi) 82%,transparent)}
.tabbar a{flex:0 0 auto;font-family:var(--disp);font-weight:800;font-size:13.5px;
          color:var(--sub);background:#fff;border:1px solid var(--line);
          padding:8px 16px;border-radius:999px;white-space:nowrap}
.tabbar a.on,.tabbar a:hover{color:#fff;background:var(--verm);border-color:var(--verm)}
.kana-sec{max-width:1080px;margin:8px auto 0;padding:0 20px 8px;scroll-margin-top:120px}
.kana-sec>p{max-width:720px;color:var(--sub);font-size:14.5px}
.kana-cols{display:grid;grid-template-columns:56px repeat(5,1fr);gap:10px;
           max-width:640px;margin:18px 0 6px;font-family:var(--disp);font-weight:800;
           font-size:12px;color:var(--faint);text-align:center}
.kana-row{display:grid;grid-template-columns:56px repeat(5,1fr);gap:10px;
          max-width:640px;margin-bottom:10px;align-items:stretch}
.kana-row.trio{grid-template-columns:56px repeat(3,1fr);max-width:430px}
.row-tag{display:flex;align-items:center;justify-content:center;font-family:var(--disp);
         font-weight:800;font-size:13px;color:var(--verm);background:var(--blossom);
         border-radius:12px;min-height:64px}
.kana-tile{position:relative;border:1px solid var(--line);background:var(--card);
           border-radius:14px;padding:9px 4px 7px;text-align:center;cursor:pointer;
           transition:transform .12s,box-shadow .12s,border-color .12s;min-height:64px}
.kana-tile:hover{transform:translateY(-2px);border-color:var(--verm);
                 box-shadow:0 8px 18px rgba(219,87,71,.14)}
.kana-tile.playing{background:var(--blossom);border-color:var(--verm)}
.kana-tile .ch{display:block;font-family:var(--disp);font-weight:800;font-size:26px;line-height:1.25}
.kana-tile .ro{display:block;font-size:11px;color:var(--faint);letter-spacing:.04em}
.kana-tile .spk{position:absolute;top:5px;right:7px;font-size:9px;opacity:.35}
.ghost{visibility:hidden}

/* bottom detail dock */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:60;transform:translateY(110%);
      transition:transform .3s cubic-bezier(.2,.8,.25,1);pointer-events:none}
.dock.up{transform:none;pointer-events:auto}
.dock-in{max-width:720px;margin:0 auto 14px;background:#fff;border:1px solid var(--line);
         border-radius:20px;box-shadow:0 -6px 34px rgba(43,46,66,.16);
         padding:14px 18px;display:flex;gap:16px;align-items:center}
.dock-ch{font-family:var(--disp);font-weight:800;font-size:44px;line-height:1;
         color:var(--press);min-width:56px;text-align:center}
.dock-body{flex:1;min-width:0;font-size:13px;color:var(--sub);line-height:1.55}
.dock-body b{color:var(--ink);font-family:var(--disp);font-size:14.5px}
.dock-ex{color:var(--gold);font-weight:700}
.dock-play{flex:0 0 auto;width:44px;height:44px;border-radius:50%;border:none;cursor:pointer;
           background:var(--verm);color:#fff;font-size:17px;box-shadow:0 6px 14px rgba(219,87,71,.35)}
.dock-x{position:absolute;top:-8px;right:14px;width:26px;height:26px;border-radius:50%;
        border:1px solid var(--line);background:#fff;color:var(--faint);cursor:pointer;font-size:12px}
@media(max-width:600px){.dock-in{margin:0;border-radius:20px 20px 0 0}.dock-body{font-size:12px}}

/* ---------- quiz ---------- */
.quiz-shell{max-width:560px;margin:30px auto 0;padding:0 20px}
.q-card{background:#fff;border:1px solid var(--line);border-radius:24px;
        padding:26px 22px;box-shadow:0 14px 40px rgba(43,46,66,.07);text-align:center}
.q-modes{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.q-modes button,.q-scope button{border:1.5px solid var(--line);background:#fff;border-radius:14px;
        padding:12px 6px;cursor:pointer;font-family:var(--disp);font-weight:800;
        font-size:13px;color:var(--sub);transition:all .12s}
.q-modes button .jp{display:block;font-size:17px;color:var(--ink);margin-bottom:2px}
.q-modes button.on,.q-scope button.on{border-color:var(--verm);background:var(--blossom);color:var(--press)}
.q-modes button.on .jp{color:var(--press)}
.q-scope{display:flex;gap:10px;justify-content:center;margin-bottom:18px}
.q-scope button{padding:8px 18px;border-radius:999px}
.q-start,.q-again{width:100%;border:none;cursor:pointer;background:var(--verm);color:#fff;
        font-family:var(--disp);font-weight:800;font-size:17px;padding:15px;
        border-radius:16px;box-shadow:0 10px 24px rgba(219,87,71,.3)}
.q-start:hover,.q-again:hover{background:var(--press)}
.q-meta{display:flex;justify-content:space-between;font-family:var(--disp);font-weight:800;
        font-size:12.5px;color:var(--faint);margin-bottom:10px}
.q-prompt{font-family:var(--disp);font-weight:800;font-size:64px;line-height:1.15;margin:10px 0 4px}
.q-prompt.small{font-size:34px}
.q-listen{width:74px;height:74px;border-radius:50%;border:none;cursor:pointer;margin:12px auto;
        display:block;background:var(--verm);color:#fff;font-size:28px;
        box-shadow:0 10px 26px rgba(219,87,71,.35)}
.q-opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.q-opts button{border:1.5px solid var(--line);background:#fff;border-radius:14px;cursor:pointer;
        font-family:var(--disp);font-weight:800;font-size:22px;padding:14px 6px;transition:all .1s}
.q-opts button:hover{border-color:var(--verm)}
.q-opts button.hit{background:#E8F4E8;border-color:#4C8C4A;color:#2F6D2D}
.q-opts button.miss{background:#FBE9E4;border-color:var(--verm);color:var(--press)}
.q-dots{display:flex;gap:5px;justify-content:center;margin-top:18px}
.q-dots i{width:8px;height:8px;border-radius:50%;background:var(--line)}
.q-dots i.ok{background:#4C8C4A}.q-dots i.no{background:var(--verm)}
.q-stamp{width:92px;height:92px;margin:6px auto 12px;border-radius:50%;display:flex;
        align-items:center;justify-content:center;font-family:var(--disp);font-weight:800;
        font-size:38px;color:#fff;background:var(--verm);
        box-shadow:0 12px 30px rgba(219,87,71,.4);transform:rotate(-6deg)}

/* ---------- tables ---------- */
.tbl-wrap{overflow-x:auto;margin:1.2em 0;border:1px solid var(--line);border-radius:18px;background:#fff}
table.hl{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}
table.hl th{font-family:var(--disp);font-weight:800;font-size:12.5px;letter-spacing:.06em;
            text-align:left;color:var(--press);background:var(--blossom);padding:11px 14px}
table.hl td{padding:10px 14px;border-top:1px solid var(--line);vertical-align:top}
table.hl td.jp{font-family:var(--disp);font-weight:800;font-size:16px;white-space:nowrap}
table.hl tr:hover td{background:#FDF3F0}
table.hl .yes{color:#2F6D2D;font-weight:700}
table.hl .part{color:var(--gold);font-weight:700}
table.hl .no{color:var(--faint)}
table.hl td:first-child{font-weight:700}

/* ---------- faq + cta + related ---------- */
.faq{max-width:720px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:16px;
             padding:16px 20px;margin-bottom:10px}
.faq summary{cursor:pointer;list-style:none;font-family:var(--disp);font-weight:800;font-size:15.5px}
.faq summary::-webkit-details-marker{display:none}
.faq details p{margin:10px 0 2px;color:var(--sub);font-size:14.5px}

.cta-band{max-width:860px;margin:70px auto 0;padding:0 20px}
.cta-in{position:relative;overflow:hidden;background:linear-gradient(135deg,#DB5747,#C24A3E);
        border-radius:28px;padding:clamp(28px,5vw,46px);color:#fff;text-align:center;
        box-shadow:0 20px 50px rgba(219,87,71,.35)}
.cta-in .k{position:absolute;font-family:var(--disp);font-weight:800;color:rgba(255,255,255,.1);
           font-size:150px;line-height:1;pointer-events:none}
.cta-in h2{font-family:var(--disp);font-weight:800;font-size:clamp(22px,3.6vw,30px);
           margin:0;border:none;padding:0;text-wrap:balance}
.cta-in p{margin:12px auto 20px;max-width:480px;color:rgba(255,255,255,.88);font-size:15px}
.cta-btn{display:inline-block;background:#fff;color:var(--press);font-family:var(--disp);
         font-weight:800;font-size:16px;padding:14px 30px;border-radius:999px;
         box-shadow:0 10px 26px rgba(0,0,0,.18)}
.cta-btn:hover{color:var(--verm);transform:translateY(-1px)}
.cta-sub{font-size:12px;color:rgba(255,255,255,.7);margin-top:10px}

.related{max-width:1080px;margin:60px auto 0;padding:0 20px}
.related h2{font-size:19px}
.rel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.rel-grid a{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px;
            color:var(--ink);transition:all .12s}
.rel-grid a:hover{border-color:var(--verm);transform:translateY(-2px);
                  box-shadow:0 10px 22px rgba(219,87,71,.12)}
.rel-grid .jp{font-family:var(--disp);font-weight:800;font-size:11px;
              letter-spacing:.22em;color:var(--verm)}
.rel-grid b{display:block;font-family:var(--disp);font-weight:800;font-size:15px;margin-top:4px}
.rel-grid span{font-size:12.5px;color:var(--faint)}

footer.site{background:var(--ink);color:rgba(255,255,255,.6);margin-top:80px;
            padding:44px 20px 30px;font-size:13px}
.foot-in{max-width:1080px;margin:0 auto;display:flex;justify-content:space-between;
         gap:30px;flex-wrap:wrap}
.foot-in nav{display:flex;gap:40px;flex-wrap:wrap}
.foot-col{display:flex;flex-direction:column;gap:8px;min-width:130px}
.foot-col span{font-size:10.5px;font-weight:700;letter-spacing:.18em;color:rgba(255,255,255,.38)}
.foot-col a{color:rgba(255,255,255,.72);font-size:13.5px}
.foot-col a:hover{color:#fff}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;
            font-family:var(--disp);font-weight:800}
.foot-brand img{width:32px;height:32px;border-radius:9px}
.foot-base{max-width:1080px;margin:30px auto 0;padding-top:18px;
           border-top:1px solid rgba(255,255,255,.1);font-size:11.5px;
           color:rgba(255,255,255,.38);display:flex;justify-content:space-between;
           gap:14px;flex-wrap:wrap}

/* ---------- print ---------- */
@media print{
  .topbar,.tabbar,.dock,.cta-band,.related,footer.site,.crumbs,.no-print{display:none !important}
  body{background:#fff}
  .kana-tile{border:1px solid #bbb;box-shadow:none;break-inside:avoid}
  .kana-row{max-width:none}
  .hero-learn h1{font-size:24px}
  .hero-learn .sub{display:none}
}

/* ---------- interactive tools ---------- */
.tool-shell{max-width:640px;margin:30px auto 0;padding:0 20px}
.tool-card{background:#fff;border:1px solid var(--line);border-radius:24px;
           padding:26px 22px;box-shadow:0 14px 40px rgba(43,46,66,.07)}
.tool-row{display:flex;gap:10px}
.tool-row input{flex:1;min-width:0;border:1.5px solid var(--line);border-radius:14px;
                padding:13px 16px;font-size:16px;font-family:inherit;background:var(--washi)}
.tool-row input:focus{outline:none;border-color:var(--verm)}
.tool-go{border:none;cursor:pointer;background:var(--verm);color:#fff;
         font-family:var(--disp);font-weight:800;font-size:15px;padding:0 22px;
         border-radius:14px;box-shadow:0 8px 18px rgba(219,87,71,.3)}
.tool-go:hover{background:var(--press)}
.tool-out{display:none;margin-top:22px;text-align:center}
.tool-kata{font-family:var(--disp);font-weight:800;font-size:clamp(34px,8vw,54px);
           line-height:1.3;color:var(--press);text-wrap:balance}
.tool-sub{color:var(--gold);font-weight:700;margin-top:4px}
.tool-note{font-size:12.5px;color:var(--faint);margin-top:10px}
.tool-actions{display:flex;gap:10px;justify-content:center;margin-top:14px}
.tool-actions button{border:1px solid var(--line);background:#fff;border-radius:999px;
        padding:8px 18px;cursor:pointer;font-family:var(--disp);font-weight:800;
        font-size:13px;color:var(--sub)}
.tool-actions button:hover{border-color:var(--verm);color:var(--press)}
.num-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));
           gap:10px;max-width:760px}
.num-tile{border:1px solid var(--line);background:#fff;border-radius:14px;
          padding:10px 4px;text-align:center;cursor:pointer;transition:all .12s}
.num-tile:hover{transform:translateY(-2px);border-color:var(--verm);
                box-shadow:0 8px 18px rgba(219,87,71,.14)}
.num-tile.playing{background:var(--blossom);border-color:var(--verm)}
.num-tile .kj{font-family:var(--disp);font-weight:800;font-size:24px}
.num-tile .kn{font-size:12px;color:var(--verm);font-weight:700}
.num-tile .rm{font-size:10.5px;color:var(--faint)}
.sc-h{color:var(--verm);font-weight:800}
.sc-k{color:#46608F;font-weight:800}
.sc-j{color:var(--gold);font-weight:800}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;justify-content:center;
        color:var(--sub)}
.big-sent{font-family:var(--disp);font-weight:800;font-size:clamp(26px,5vw,38px);
          line-height:1.6;text-align:center;margin:18px 0 6px}
.mini-kana{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0 4px}
.mini-kana .kana-tile{flex:0 0 84px}