.alphabet-lobby{margin-bottom:5vh;background:#fff;padding:20px 0 36px}.alphabet-lobby__shell{max-width:640px;margin:0 auto}.alphabet-lobby__hero{text-align:center;padding:8px 12px 24px}.alphabet-lobby__title{margin:0;font-size:clamp(22px,4vw,26px);font-weight:800;color:#2d2d2d}.alphabet-lobby__lead{margin:10px 0 0;font-size:15px;color:#6b6b6b;line-height:1.45}.alphabet-lobby__list{display:flex;flex-direction:column;gap:12px}.alphabet-lobby__tile{display:flex;align-items:center;gap:16px;padding:18px;background:#e8d4f8;border-radius:16px;text-decoration:none;color:inherit;box-shadow:0 2px 8px #00000014;transition:transform .12s ease}.alphabet-lobby__tile:hover{transform:translateY(-2px);text-decoration:none;color:inherit}.alphabet-lobby__tile-glyph{flex-shrink:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;color:#02b875;background:#ffffffeb;border-radius:14px}.alphabet-lobby__tile-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:4px}.alphabet-lobby__tile-title{font-size:17px;font-weight:700;color:#2d2d2d}.alphabet-lobby__tile-sub{font-size:13px;color:#6b6b6b}.alphabet-lobby__tile-play{font-size:28px;color:#02b875;line-height:1}.alphabet-lobby__panel--empty{background:#fff;border:1px solid #e8e0db;border-radius:16px;padding:24px;text-align:center;color:#6b6b6b}.alphabet-play{min-height:calc(100vh - 160px);margin-bottom:4vh;background:linear-gradient(180deg,#ffedd5,#fff4ec 42%,#fff9f5)}.alphabet-play__shell{max-width:520px;margin:0 auto;padding:12px 16px 24px;min-height:min(90vh,720px);display:flex;flex-direction:column}.alphabet-play__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.alphabet-play__back{display:flex;align-items:center;justify-content:center;width:44px;height:44px;background:#fff;border-radius:14px;box-shadow:0 1px 6px #0000001a;color:#5c5c5c;font-size:22px;text-decoration:none}.alphabet-play__back:hover{color:#ff723e;text-decoration:none}.alphabet-play__step-badge{padding:8px 14px;background:#fff;border-radius:999px;font-size:13px;font-weight:700;color:#02b875;box-shadow:0 1px 6px #00000014}.alphabet-play__progress-wrap{display:flex;align-items:center;gap:10px;margin-bottom:16px}.alphabet-play__progress{flex:1;height:8px;background:#fdf2e3;border-radius:99px;overflow:hidden}.alphabet-play__progress-bar{height:100%;width:25%;background:#02b875;border-radius:99px;transition:width .35s ease}.alphabet-play__progress-pct{font-size:13px;font-weight:700;color:#02b875;min-width:36px}.alphabet-play__stage{flex:1;display:flex;flex-direction:column;min-height:280px}.alphabet-play__footer{padding-top:12px}.alphabet-play__next{width:100%;border:none;border-radius:14px;padding:16px;font-size:16px;font-weight:700;color:#fff;background:#02b875;cursor:pointer}.alphabet-play__next:disabled{background:#02b87559;cursor:not-allowed}.alphabet-step{flex:1;display:flex;flex-direction:column;text-align:center}.alphabet-step__label{font-size:13px;font-weight:600;color:#02b875;margin:0 0 6px}.alphabet-step__title{font-size:17px;font-weight:700;color:#2d2d2d;margin:0 0 20px;line-height:1.35}.alphabet-step__letter-btn{margin:0 auto 16px;width:min(200px,52vw);height:min(200px,52vw);border:none;border-radius:50%;background:linear-gradient(145deg,#02b875,#028f5e);color:#fff;font-size:clamp(72px,18vw,96px);font-weight:900;cursor:pointer;box-shadow:0 12px 32px #02b87559;animation:alphabet-letter-pulse 1.2s ease-in-out infinite}.alphabet-step__letter-btn.is-playing{animation:none;transform:scale(1.05)}.alphabet-step__letter-btn.is-done{animation:none;box-shadow:0 0 0 4px #02b87559}@keyframes alphabet-letter-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.04)}}.alphabet-step__hint{font-size:14px;color:#6b6b6b;margin:0}.alphabet-step--hear{min-height:0}.alphabet-hear__glyph-circle{width:140px;height:140px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,#4dd1b6a6,#ffdcb480);box-shadow:0 8px 20px #02b87533;display:flex;align-items:center;justify-content:center;font-size:clamp(64px,16vw,80px);font-weight:800;line-height:1;color:#02b875}.alphabet-hear__pills{display:flex;flex-direction:row;gap:12px;width:100%;margin:0 0 16px}.alphabet-hear__pill{flex:1;min-width:0;border:none;border-radius:16px;padding:14px 10px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;box-shadow:0 2px 6px #0000000f;transition:box-shadow .15s ease}.alphabet-hear__pill--letter{background:#fce4f0}.alphabet-hear__pill--word{background:#fff3e0}@keyframes alphabet-hear-pill-hint-letter{0%{background-color:#fce4f0}to{background-color:color-mix(in srgb,#02b875 38%,#fce4f0)}}@keyframes alphabet-hear-pill-hint-word{0%{background-color:#fff3e0}to{background-color:color-mix(in srgb,#02b875 38%,#fff3e0)}}.alphabet-hear__pill.is-hint{animation-duration:.4s;animation-timing-function:ease-in-out;animation-iteration-count:infinite;animation-direction:alternate}.alphabet-hear__pill--letter.is-hint{animation-name:alphabet-hear-pill-hint-letter}.alphabet-hear__pill--word.is-hint{animation-name:alphabet-hear-pill-hint-word}.alphabet-hear__pill.is-hint.is-playing,.alphabet-hear__pill.is-hint.is-done{animation:none}.alphabet-hear__pill-icon{font-size:26px;line-height:1}.alphabet-hear__pill-label{font-size:15px;font-weight:700;color:#2d2d2d}.alphabet-hear__pill-sub{font-size:13px;font-weight:500;color:#6b6b6b;text-align:center;line-height:1.25;word-break:break-word}.alphabet-hear__pill.is-done{box-shadow:0 0 0 2px #02b875}.alphabet-hear__pill.is-playing{opacity:.88}.alphabet-hear__pill:not(:disabled):hover{filter:brightness(.98)}.alphabet-hear__visual{flex:1;min-height:160px;max-height:min(320px,42vh);margin-top:auto;padding:16px;border-radius:22px;background:#ffffff8c;display:flex;align-items:center;justify-content:center;overflow:hidden}.alphabet-hear__visual img{max-width:100%;max-height:min(280px,38vh);width:auto;height:auto;object-fit:contain;display:block}.alphabet-hear__visual-emoji{font-size:clamp(80px,20vw,120px);line-height:1}.alphabet-match__nest{min-height:132px;border:2.5px solid rgba(2,184,117,.45);border-radius:22px;background:#4dd1b659;display:flex;flex-direction:column;align-items:center;justify-content:center;margin-bottom:20px;transition:border-color .2s,background .2s}.alphabet-match__nest.is-highlight{border-color:#02b875;border-width:3.5px;background:#4dd1b68c}.alphabet-match__nest.is-solved{border-color:#02b875}.alphabet-match__nest-label{font-size:14px;font-weight:600;color:#6b6b6b}.alphabet-match__nest-glyph{font-size:42px;font-weight:900;color:#02b875;line-height:1.1}.alphabet-step--match{min-height:min(420px,58vh)}.alphabet-match__choices{display:flex;flex-direction:column;gap:12px;flex:1 1 auto;justify-content:center;align-items:center;width:100%;max-width:380px;margin:0 auto;min-height:200px}.alphabet-match__choices--wrap{flex-direction:row;flex-wrap:wrap;justify-content:center;max-width:none}.alphabet-match__row{display:flex;gap:12px;width:100%;justify-content:center}.alphabet-match__row--bottom{justify-content:center}.alphabet-match__slot{flex:1 1 0;max-width:172px;min-width:0;display:flex;justify-content:center}.alphabet-match__row--bottom .alphabet-match__slot{flex:0 1 auto;width:min(172px,calc(50% - 6px))}.alphabet-match__choices--wrap .alphabet-match__slot{flex:0 1 auto;width:min(172px,42vw)}.alphabet-match__slot.is-hidden{visibility:hidden;pointer-events:none}.alphabet-match__choice{width:100%;aspect-ratio:1;max-width:172px;min-height:124px;border:1px solid rgba(255,255,255,.85);border-radius:16px;background:#ffdcb4e0;box-shadow:0 2px 8px #00000014;padding:8px;cursor:grab;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;box-sizing:border-box}.alphabet-match__choice:active{cursor:grabbing}.alphabet-match__choice img{width:100%;height:100%;object-fit:contain;border-radius:12px}.alphabet-match__choice-word{font-size:14px;font-weight:600;color:#2d2d2d;line-height:1.2;text-align:center}.alphabet-match__choice-emoji{font-size:clamp(36px,10vw,56px);line-height:1;flex:1;display:flex;align-items:center;justify-content:center}.alphabet-match__choice.is-hidden{visibility:hidden;pointer-events:none}.alphabet-bubble__area{position:relative;flex:1;min-height:280px;border-radius:20px;background:#ffffff80;overflow:hidden;margin-bottom:12px}.alphabet-bubble{position:absolute;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;border:2px solid rgba(255,255,255,.9);background:linear-gradient(145deg,#7dd3fc,#38bdf8);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px #38bdf866;padding:0}.alphabet-bubble__score{font-size:15px;font-weight:600;color:#2d2d2d;margin:0 0 8px}.alphabet-step--treasure{flex:1;display:flex;flex-direction:column}.alphabet-treasure__stage{flex:1;display:flex;align-items:center;justify-content:center;min-height:200px;position:relative}.alphabet-treasure__shell{display:flex;flex-direction:column;align-items:center;gap:12px;margin:0;padding:8px 16px;border:none;background:transparent;cursor:pointer;transition:transform .35s cubic-bezier(.34,1.56,.64,1)}.alphabet-treasure__stage.is-opened .alphabet-treasure__shell{display:none!important}.alphabet-treasure__reward{display:none!important;text-align:center}.alphabet-treasure__stage.is-opened .alphabet-treasure__reward{display:block!important;animation:alphabet-treasure-reward-in .4s cubic-bezier(.34,1.56,.64,1)}@keyframes alphabet-treasure-reward-in{0%{opacity:0;transform:scale(.85)}to{opacity:1;transform:scale(1)}}.alphabet-treasure__shell:hover{transform:scale(1.04)}.alphabet-treasure__shell.is-opening{transform:scale(1.14)}.alphabet-treasure__shell-emoji{font-size:clamp(96px,22vw,120px);line-height:1;filter:drop-shadow(0 4px 24px rgba(2,184,117,.35))}.alphabet-treasure__shell-hint{font-size:16px;font-weight:600;color:#6b6b6b}.alphabet-treasure__stars{display:none!important;text-align:center;font-size:36px;letter-spacing:8px;color:#02b875;margin:8px 0 4px}.alphabet-treasure__stars.is-visible{display:block!important}.alphabet-treasure__reward img{max-width:120px;max-height:120px;object-fit:contain}.alphabet-treasure__reward-emoji{font-size:72px}.alphabet-treasure__word{font-size:18px;font-weight:700;color:#2d2d2d;margin-top:8px}@media(min-width:768px){.alphabet-lobby__shell,.alphabet-play__shell{max-width:720px}}