:root{color:#111;background:#efe5d4;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--cream: #fffdf8;--paper: #fffaf0;--ink: #111;--mint: #cfe7e2;--mint-strong: #7bb7ae;--lavender: #d7c5ea;--violet: #6f5ea8;--gold: #f4cb45;--coral: #f09379;--line: rgba(17, 17, 17, .11);--shadow: 0 14px 34px rgba(37, 31, 24, .16)}*{box-sizing:border-box}html{min-height:100%;background:#efe5d4}body{min-width:320px;min-height:100vh;margin:0;overflow-x:hidden;background:linear-gradient(180deg,#fffdf89e,#efe5d4e0),#efe5d4}button{border:0;border-radius:0;color:inherit;font:inherit;letter-spacing:0;-webkit-tap-highlight-color:transparent;cursor:pointer}#root{min-height:100vh}.app-shell{width:100%;min-height:100vh;max-width:520px;margin:0 auto;background:var(--paper);box-shadow:0 0 0 1px #1111110f}.home-screen,.screen{min-height:100vh;min-height:100dvh;padding-right:max(22px,env(safe-area-inset-right));padding-left:max(22px,env(safe-area-inset-left))}.home-screen{display:flex;flex-direction:column;padding-top:calc(34px + env(safe-area-inset-top));padding-bottom:calc(28px + env(safe-area-inset-bottom));background:linear-gradient(160deg,#fff8e8,#f4ead7 48%,#dcefeb)}.screen{position:relative;display:flex;flex-direction:column;padding-top:env(safe-area-inset-top);overflow:hidden;touch-action:pan-y}.screen-mint{background:linear-gradient(180deg,#d7eee9,#c9e3de)}.screen-lavender{background:linear-gradient(180deg,#e0d1ef,#d2bfe6)}.tape{align-self:flex-start;padding:8px 18px;border:1px solid #d1b268;border-radius:4px;background:var(--cream);color:#171717;font-size:15px;font-weight:800;transform:rotate(-5deg)}h1{max-width:8ch;margin:30px 0 0;color:var(--ink);font-size:42px;line-height:1.18;font-weight:950}.underline{width:164px;height:5px;margin-top:6px;border-radius:99px;background:var(--gold)}.subtitle{margin:18px 0 0;color:#28231b;font-size:17px;line-height:1.45;font-weight:700}.menu-group{display:grid;gap:22px;margin-top:50px}.menu-card{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;min-height:142px;padding:22px;border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);text-align:left}.menu-mint{background:#c9e1dc}.menu-lavender{background:#d7c5ea}.kana-badge,.word-badge{display:grid;place-items:center;color:#191919;font-weight:950}.kana-badge{width:76px;height:76px;border:2px solid #f7f1e4;border-radius:50%;background:var(--cream);font-size:48px}.word-badge{width:62px;height:76px;border:1px solid #cdae45;border-radius:8px;background:#fff7d6;color:var(--violet);font-size:36px;transform:rotate(-8deg)}.menu-copy{display:grid;gap:7px;min-width:0;margin-left:20px}.menu-copy strong{color:var(--ink);font-size:24px;line-height:1.25;font-weight:950}.menu-copy span{color:#262626;font-size:15px;line-height:1.35;font-weight:700}.home-footer{align-self:center;margin-top:auto;padding:10px 20px;border:1px solid #d9be69;border-radius:999px;background:var(--cream);color:#111;font-size:15px;font-weight:800}.top-bar{display:grid;grid-template-columns:48px 1fr 48px;align-items:center;min-height:72px;gap:10px;flex:0 0 auto}.top-bar h2{margin:0;text-align:center;color:var(--ink);font-size:22px;line-height:1.2;font-weight:900}.top-right{display:grid;place-items:center;width:48px;height:48px}.top-right strong{font-size:18px;font-weight:950}.round-button{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--cream);box-shadow:0 8px 18px #251f1824}.icon{width:24px;height:24px;flex:0 0 auto}.kana-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;padding:12px 0 34px;overflow-y:auto}.group-tabs{display:flex;gap:8px;margin:4px -22px 0;padding:0 22px 8px;overflow-x:auto;scrollbar-width:none}.group-tabs::-webkit-scrollbar{display:none}.group-tabs button{flex:0 0 auto;min-width:72px;height:38px;padding:0 14px;border:1px solid rgba(17,17,17,.1);border-radius:999px;background:#fffdf8b8;color:#25312f;font-size:14px;font-weight:900}.group-tabs button.is-active{border-color:#c9a928;background:var(--gold);color:var(--ink)}.group-description{min-height:42px;margin:4px 0 0;color:#30413f;font-size:14px;line-height:1.5;font-weight:750}.kana-tile{display:grid;place-items:center;aspect-ratio:.82;min-height:64px;border:1px solid rgba(17,17,17,.08);border-radius:8px;background:var(--cream)}.kana-tile.is-active{border-color:#c9a928;background:var(--gold)}.kana-tile span{font-size:30px;font-weight:950}.kana-tile.is-wide span{font-size:24px}.kana-tile small{margin-top:2px;color:#477a74;font-size:13px;font-weight:900}.card-scroll{flex:1 1 auto;padding:22px 0 120px;overflow-y:auto}.paper-card,.review-paper{position:relative;border-radius:8px;background:var(--cream);box-shadow:var(--shadow)}.paper-card{display:grid;place-items:center;min-height:270px;overflow:hidden}.corner-tape{position:absolute;right:22px;bottom:20px;width:76px;height:26px;border-radius:4px;background:var(--gold);transform:rotate(-14deg)}.big-kana{font-size:clamp(74px,26vw,116px);line-height:1;font-weight:950}.sound-button,.review-sound,.word-sound{display:grid;place-items:center;border-radius:50%}.sound-button,.review-sound{width:58px;height:58px;margin-top:12px;background:var(--lavender)}.big-romaji{margin-top:8px;color:#3f938b;font-size:42px;line-height:1.14;font-weight:950}.section-label{width:max-content;margin-top:26px;padding:7px 14px;border-radius:4px;background:#191919;color:#fff;font-size:15px;font-weight:900}.word-list{margin-top:10px;overflow:hidden;border-radius:8px;background:var(--cream)}.rule-panel{display:grid;gap:18px;margin-top:10px;padding:20px;border-radius:8px;background:var(--cream)}.rule-panel p{margin:0;color:#242424;font-size:16px;line-height:1.6;font-weight:800}.example-pills{display:flex;flex-wrap:wrap;gap:10px}.example-pills span{display:inline-grid;place-items:center;min-width:64px;min-height:40px;padding:8px 13px;border:1px solid #d9be69;border-radius:999px;background:#fff7d6;color:var(--ink);font-size:18px;font-weight:950}.word-row{display:grid;grid-template-columns:minmax(92px,126px) 1fr 38px;align-items:center;min-height:58px;gap:10px;padding:10px 14px 10px 18px;border-bottom:1px solid #e7ded1}.word-row:last-child{border-bottom:0}.word-row strong{overflow-wrap:anywhere;font-size:21px;font-weight:950}.word-row 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auto;min-height:220px}.empty-image-slot{color:#b8a8d8}.empty-image-slot .icon{width:48px;height:48px}.answer-area{gap:14px;color:var(--ink)}.answer-area strong{font-size:42px;line-height:1.22;font-weight:950}.answer-area>span:not(.answer-pills){margin-top:10px;color:#3f3a34;font-size:16px;font-weight:800}.answer-pills{display:flex;gap:14px}.answer-pills b{display:grid;place-items:center;width:58px;height:58px;border:1px solid #dcd5e8;border-radius:50%;background:#fff;font-size:27px;font-weight:950}.answer-pills b:first-child{border-color:transparent;background:var(--lavender);font-size:32px}.word-bottom-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:24px}.soft-button{display:inline-grid;grid-auto-flow:column;align-items:center;justify-content:center;gap:8px;min-width:0;height:58px;border:1px solid #b8afc9;border-radius:999px;background:var(--cream);font-size:17px;font-weight:950}.dark-button{border-color:#242334;background:#242334;color:#fff}.tap-hint{margin:18px 0 calc(20px + env(safe-area-inset-bottom));color:#4d4166;text-align:center;font-size:14px;font-weight:800}@media (min-width: 700px){body{padding:28px 0}.app-shell{min-height:min(860px,calc(100vh - 56px));border-radius:18px;overflow:hidden}.home-screen,.screen{min-height:min(860px,calc(100vh - 56px))}}@media (max-width: 370px){.home-screen,.screen{padding-right:max(16px,env(safe-area-inset-right));padding-left:max(16px,env(safe-area-inset-left))}.menu-card{padding:18px}.menu-copy{margin-left:14px}.menu-copy strong{font-size:21px}.kana-grid{gap:8px}.word-row{grid-template-columns:minmax(82px,112px) 1fr 38px}}