:root{--bg:#f7f8fb;--bg-2:#eef1f8;--surface:#fff;--panel:#fff;--panel-2:#f3f5fa;--line:#e3e7f0;--line-strong:#d2d8e6;--text:#1a2233;--muted:#6b768c;--accent:#2f80ed;--accent-2:#0ea5a4;--gold:#b8860b;--good:#1f9d63;--bad:#d64545;--radius:18px;--shadow:0 10px 30px #141e3c14;--shadow-sm:0 2px 8px #141e3c0f;--t1:#e4572e;--t2:#e08a00;--t3:#2f9e63;--t4:#2f80ed;--t5:#7357d8;--t6:#d94f86;--t7:#0e9c98}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:radial-gradient(900px 500px at 12% -10%, #2f80ed1a, transparent 60%), radial-gradient(800px 460px at 92% 0%, #0ea5a41a, transparent 55%), linear-gradient(180deg, #fff 0%, var(--bg) 45%, var(--bg-2) 100%);min-height:100vh;color:var(--text);-webkit-font-smoothing:antialiased;background-attachment:fixed;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,Apple Color Emoji,Segoe UI Emoji;line-height:1.5}a{color:inherit;text-decoration:none}button{font:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.wrap{width:100%;max-width:960px;margin:0 auto;padding:0 18px}.topbar{z-index:40;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);background:#ffffffd1;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;gap:16px;height:64px;display:flex}.brand{letter-spacing:-.01em;align-items:center;gap:10px;font-weight:800;display:flex}.brand-logo{object-fit:cover;border-radius:10px;flex:none;width:34px;height:34px;display:block}.brand-text{font-size:1.02rem}.nav{color:var(--muted);align-items:center;gap:16px;font-size:.9rem;display:flex}.nav a:hover{color:var(--text)}.nav-lang{align-items:center;display:flex}.nav-toggle{border:1px solid var(--line-strong);width:44px;height:44px;color:var(--text);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;padding:0;display:none}.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.nav-toggle-bars{flex-direction:column;gap:5px;width:20px;display:flex}.nav-toggle-bars span{background:currentColor;border-radius:2px;height:2px;transition:transform .18s,opacity .18s;display:block}.nav-toggle.is-open .nav-toggle-bars span:first-child{transform:translateY(7px)rotate(45deg)}.nav-toggle.is-open .nav-toggle-bars span:nth-child(2){opacity:0}.nav-toggle.is-open .nav-toggle-bars span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}.lang select{color:var(--text);border:1px solid var(--line-strong);cursor:pointer;background:#fff;border-radius:10px;outline:none;padding:7px 10px;font-size:.85rem}main{padding-top:30px;padding-bottom:64px}.hero{border:1px solid var(--line);box-shadow:var(--shadow);background:radial-gradient(600px 300px at 100% 0,#0ea5a41a,#0000 60%),linear-gradient(160deg,#2f80ed1a,#ffffffe6 55%),#fff;border-radius:26px;margin-bottom:30px;padding:34px 28px;position:relative;overflow:hidden}.hero h1{letter-spacing:-.03em;margin:0 0 10px;font-size:clamp(1.9rem,5vw,2.8rem);line-height:1.08}.hero p{max-width:48ch;color:var(--muted);margin:0}.hero-tags{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.tag{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;padding:6px 12px;font-size:.78rem}.level-icon{object-fit:cover;vertical-align:-3px;border-radius:4px;margin-right:6px;display:inline-block}.kiitos-level-tag{cursor:pointer;flex-wrap:wrap;align-items:center;gap:4px;font-weight:600;display:inline-flex}.kiitos-level-tag .level-icon{margin-right:2px}.kiitos-word{letter-spacing:.02em;font-weight:900}.kiitos-level-text{font-weight:600}.kiitos-stars{letter-spacing:.03em;opacity:.9;font-size:.72em}.home-hero{padding-bottom:8px}.home-hero .actions{margin-top:18px}.home-paths{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:32px;display:grid}.home-path-card{border:1px solid var(--line);background:#fff;border-radius:16px;flex-direction:column;gap:6px;padding:18px;text-decoration:none;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex}.home-path-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:0 10px 26px #0f172a14}.home-path-mark{color:var(--gold);letter-spacing:.12em;font-size:.68rem;font-weight:900}.home-path-title{color:var(--text);font-size:1.05rem;font-weight:800}.home-path-desc{color:var(--muted);font-size:.88rem;line-height:1.5}.home-path-meta{color:var(--muted);margin-top:auto;padding-top:8px;font-size:.75rem}.home-games-link{text-align:right;margin:-12px 0 28px;font-size:.85rem;font-weight:700}.home-games-link a{color:var(--muted)}.home-games-link a:hover{color:var(--accent)}.level-hero{grid-template-columns:minmax(0,1.15fr) minmax(220px,.85fr);align-items:center;gap:24px;padding:24px 0 8px;display:grid}.level-hero-copy h1{margin:6px 0 10px;font-size:clamp(1.8rem,3.2vw,2.6rem);line-height:1.15}.level-hero-copy p{color:var(--muted);line-height:1.6}.level-hero-image{border:1px solid var(--line);border-radius:20px;justify-self:end;width:100%;max-width:360px;height:auto;display:block;box-shadow:0 16px 40px #141e3c1f}.kiitos-band-card-image{grid-template-columns:104px minmax(0,1fr);align-items:center;gap:12px;padding:12px;display:grid}.kiitos-band-image{border-radius:12px;width:100%;height:auto;display:block}.kiitos-band-card-copy{gap:4px;display:grid}.home-level-section{border:1px solid var(--line);background:linear-gradient(#fff,#fbf8ef);border-radius:20px;margin:32px 0;padding:24px}.home-lead{max-width:760px;color:var(--muted);margin-bottom:16px;line-height:1.6}.home-level-strip{scroll-snap-type:x mandatory;gap:8px;padding-bottom:6px;display:flex;overflow-x:auto}.home-level-chip{border:1px solid var(--band);background:var(--band-bg);scroll-snap-align:start;border-radius:12px;flex-direction:column;flex:none;gap:2px;min-width:122px;padding:10px 12px;text-decoration:none;display:flex}.home-level-num{color:var(--band);font-size:1.2rem;font-weight:900;line-height:1}.home-level-name{color:var(--text);font-size:.75rem;font-weight:700}.home-quote{border:1px solid var(--line);background:#fff;border-radius:20px;margin:32px 0;padding:24px}.home-quote-en{color:var(--text);margin:8px 0 6px;font-size:1.25rem;font-weight:700;line-height:1.5}.home-quote-note{color:var(--muted);margin-bottom:12px;font-size:.8rem}.home-quote-translations{border-top:1px solid var(--line);gap:6px;padding-top:12px;display:grid}.home-quote-translations p{color:var(--muted);gap:10px;margin:0;font-size:.82rem;line-height:1.5;display:flex}.home-quote-translations span{color:var(--gold);letter-spacing:.08em;flex:0 0 24px;font-size:.68rem;font-weight:800}.home-topics{border:1px solid var(--line);background:#fff;border-radius:18px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin:32px 0 8px;padding:20px 24px;display:flex}.home-topics h2{margin-bottom:4px}.home-topics p{color:var(--muted);font-size:.9rem}.levelbar{flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px;display:flex}.level-label{color:var(--muted);margin-right:2px;font-size:.82rem;font-weight:600}.chip{border:1px solid var(--line-strong);color:var(--muted);cursor:pointer;background:#fff;border-radius:999px;padding:7px 14px;font-size:.82rem;font-weight:600;transition:border-color .15s,background .15s,color .15s}.chip:hover{border-color:var(--accent);color:var(--text)}.chip.active{background:var(--accent);border-color:var(--accent);color:#fff}.game-head{justify-content:space-between;align-items:center;gap:12px;margin:2px 0 6px;display:flex}.game-hint{color:var(--muted);margin:0 0 16px;font-size:.88rem}.section-head{justify-content:space-between;align-items:baseline;gap:12px;margin:34px 0 14px;display:flex}.section-head h2{letter-spacing:-.01em;align-items:center;gap:9px;margin:0;font-size:1.15rem;display:flex}.section-head span{color:var(--muted);font-size:.82rem}.dot{border-radius:50%;flex-shrink:0;width:10px;height:10px;display:inline-block}.grid{grid-template-columns:repeat(auto-fill,minmax(215px,1fr));gap:12px;display:grid}.card{--theme:var(--accent);border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow-sm);align-items:center;gap:14px;padding:16px;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex}.card:hover{border-color:var(--theme);transform:translateY(-2px);box-shadow:0 10px 24px #141e3c1a}.card-icon{background:var(--theme);color:#fff;border-radius:13px;flex-shrink:0;place-items:center;width:42px;height:42px;font-size:1.35rem;line-height:1;display:grid}.card-body{min-width:0}.card-title{white-space:nowrap;text-overflow:ellipsis;font-size:.98rem;font-weight:700;overflow:hidden}.card-sub{color:var(--muted);font-size:.8rem}.play-all{--theme:var(--gold);background:linear-gradient(120deg,#fffaf0,#fff);border-color:#f0dfae}.btn{border:1px solid var(--line-strong);color:var(--text);cursor:pointer;background:#fff;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:11px 16px;font-weight:600;transition:background .16s,border-color .16s,transform .16s;display:inline-flex}.btn:hover{background:var(--panel-2)}.btn:active{transform:scale(.98)}.btn-primary{background:linear-gradient(135deg, var(--accent), #5f6ff0);color:#fff;border:none;box-shadow:0 10px 24px #2f80ed47}.btn-ghost{background:0 0}.btn-link{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0;font-size:.85rem;font-weight:700}.btn-link:hover{text-decoration:underline}.game{border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow);border-radius:24px;margin-top:22px;padding:22px}.game-top{justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;display:flex}.progress{background:var(--panel-2);border-radius:999px;flex:1;height:8px;overflow:hidden}.progress>span{background:linear-gradient(90deg, var(--accent), var(--accent-2));border-radius:999px;height:100%;transition:width .25s;display:block}.counter{color:var(--muted);white-space:nowrap;font-size:.78rem}.prompt{margin:6px 0 18px}.prompt-label{color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;font-size:.8rem}.prompt-main{letter-spacing:-.02em;word-break:break-word;font-size:clamp(1.25rem,4.5vw,1.8rem);font-weight:800;line-height:1.25}.options{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;display:grid}.option{text-align:left;border:1px solid var(--line-strong);color:var(--text);cursor:pointer;background:#fff;border-radius:14px;padding:16px 14px;font-size:1.05rem;font-weight:700;transition:border-color .15s,background .15s,transform .12s;position:relative}.option:hover{border-color:var(--accent);background:#2f80ed0f}.option:active{transform:scale(.99)}.option.correct{border-color:var(--good);background:#1f9d631a}.option.wrong{border-color:var(--bad);background:#d6454514}.option:disabled{cursor:default}.feedback{border:1px solid 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10px;font-size:1.1rem;font-weight:800;display:grid}.letter:disabled{opacity:.3;cursor:default}.letter.blank{border-color:var(--gold);color:var(--gold)}.slots{letter-spacing:.06em;flex-wrap:wrap;gap:6px;margin-bottom:14px;font-size:1.6rem;font-weight:800;display:flex}.slot{text-align:center;border-bottom:3px solid var(--line-strong);text-transform:lowercase;min-width:30px}.slot.filled{border-bottom-color:var(--accent-2)}.slot.blank{border-bottom-color:var(--gold)}.match{grid-template-columns:1fr 1fr;gap:10px;display:grid}.match-col{flex-direction:column;gap:8px;display:flex}.match-item{border:1px solid var(--line-strong);color:var(--text);text-align:left;cursor:pointer;background:#fff;border-radius:12px;padding:12px;font-weight:600;transition:border-color .15s,background .15s}.match-item.selected{border-color:var(--accent);background:#2f80ed14}.match-item.matched{border-color:var(--good);opacity:.75;cursor:default;background:#1f9d6314}.match-item.shake{animation:.3s shake}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.result{text-align:center;padding:10px 0 4px}.result-score{letter-spacing:-.04em;background:linear-gradient(135deg, var(--accent), var(--accent-2));color:#0000;-webkit-background-clip:text;background-clip:text;font-size:3rem;font-weight:900}.review{gap:8px;margin:16px 0;display:grid}.review-item{border:1px solid var(--line);background:var(--panel-2);border-radius:13px;justify-content:space-between;align-items:center;gap:10px;padding:12px 14px;display:flex}.review-word{font-weight:700}.review-meaning{color:var(--muted);font-size:.85rem}.actions{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.modal-backdrop{z-index:80;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:#141c2d73;place-items:center;padding:16px;display:grid;position:fixed;inset:0;overflow-y:auto}.modal{border:1px solid var(--line);background:#fff;border-radius:20px;width:min(680px,100%);max-height:calc(100dvh - 32px);overflow-y:auto;box-shadow:0 30px 80px #141e3c3d}.modal-wide{width:min(840px,100%)}.media-layout{grid-template-columns:minmax(0,320px) 1fr;align-items:start;gap:18px;display:grid}.media-info{flex-direction:column;gap:14px;min-width:0;display:flex}.modal-head{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;display:flex}.modal-title{font-size:1.05rem;font-weight:800}.modal-body{padding:16px}.video{aspect-ratio:9/16;background:#000;border-radius:14px;width:100%;position:relative;overflow:hidden}.video-vertical{aspect-ratio:9/16}.video iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.footer{border-top:1px solid var(--line);color:var(--muted);background:#fff9;padding:18px 0 26px;font-size:.82rem}.footer-inner{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:14px;display:flex}.footer-brand{gap:4px;max-width:560px;display:grid}.footer-tagline{color:var(--text);font-weight:700;line-height:1.4}.footer-copy,.footer-email{margin:0;line-height:1.5}.footer-email a,.footer a{color:var(--gold);font-weight:600}.footer-links{flex-wrap:wrap;align-items:center;gap:14px;display:flex}.mode-grid{grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;display:grid}.mode-card{--theme:var(--accent);text-align:left;border:1px solid var(--line);border-radius:var(--radius);color:var(--text);cursor:pointer;box-shadow:var(--shadow-sm);background:#fff;padding:0;transition:transform .16s,border-color .16s,box-shadow .16s;overflow:hidden}.mode-image{aspect-ratio:1;object-fit:cover;background:var(--panel-2);width:100%;display:block}.mode-body{padding:12px 14px 16px}.mode-card:hover{border-color:var(--theme);transform:translateY(-2px);box-shadow:0 10px 24px #141e3c1a}.mode-icon{background:var(--theme);border-radius:12px;place-items:center;width:40px;height:40px;font-size:1.2rem;display:inline-grid}.mode-name{margin:0 0 2px;font-weight:800}.mode-desc{color:var(--muted);font-size:.82rem}.crumbs{color:var(--muted);align-items:center;gap:8px;margin-bottom:14px;font-size:.82rem;display:flex}.crumbs a:hover{color:var(--text)}.word-layout{grid-template-columns:minmax(0,1fr) minmax(0,320px);align-items:start;gap:28px;display:grid}.word-video{position:sticky;top:84px}.word-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:8px;display:flex}.word-hero h1{letter-spacing:-.03em;margin:0;font-size:clamp(2rem,7vw,3.2rem)}.translations{gap:8px;margin:18px 0;display:grid}.translation{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;border-radius:13px;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.translation-lang{color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.82rem}.prose{color:var(--muted);max-width:64ch}.prose p{margin:0 0 12px}.prose strong{color:var(--text)}.remember-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;padding:18px 20px}.remember-list{gap:10px;margin:0;padding:0;list-style:none;display:grid}.remember-list li{flex-wrap:wrap;align-items:baseline;gap:8px;line-height:1.5;display:flex}.remember-word{color:var(--text);border-bottom:1px solid #0000;font-weight:800;text-decoration:none}.remember-word:hover{color:var(--accent);border-bottom-color:var(--accent)}.remember-dash{color:var(--muted)}.remember-meaning{color:var(--muted);flex:200px}.remember-speak{border:1px solid var(--line);background:var(--panel-2);cursor:pointer;border-radius:999px;padding:2px 8px;font-size:.8rem;line-height:1.4}.remember-speak:hover{border-color:var(--accent)}.qna-groups{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}.qna-group{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;gap:4px;padding:18px 18px 16px;transition:transform .16s,border-color .16s,box-shadow .16s;display:flex}.qna-group:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 12px 26px #141e3c1a}.qna-group-icon{font-size:1.6rem;line-height:1.2}.qna-group-name{color:var(--text);font-size:1rem;font-weight:800}.qna-group-desc{color:var(--muted);font-size:.84rem;line-height:1.45}.article-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;display:grid}.pagination{flex-wrap:wrap;justify-content:center;gap:6px;margin:28px 0 8px;display:flex}.pagination button{border:1px solid var(--line);min-width:38px;height:38px;color:var(--text);cursor:pointer;background:#fff;border-radius:10px;padding:0 10px;font-weight:700}.pagination button:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.pagination button.active{background:var(--accent);border-color:var(--accent);color:#fff}.pagination button:disabled{opacity:.4;cursor:default}@media (min-width:900px){.article-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width:640px){.article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.home-level-section,.home-quote,.home-topics{padding:18px}.home-quote-en{font-size:1.1rem}.home-level-chip{min-width:110px}}.article-card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff;flex-direction:column;transition:transform .16s,box-shadow .16s;display:flex;overflow:hidden}.article-card:hover{transform:translateY(-2px);box-shadow:0 12px 28px 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