/* Shared mobile card, type, dialog and navigation patterns from Korean v1.1. */
@import url('./base.css');
:root{font-family:Inter,-apple-system,BlinkMacSystemFont,'Segoe UI','Hiragino Kaku Gothic ProN','Noto Sans JP',sans-serif;color:#172f38;background:#e9eeec;--bg:#fbfcf8;--ink:#172f38;--muted:#607275;--line:#dae3df;--green:#1f625e;--soft:#eaf2ed;--gold:#d3bd82;--radius:22px}
html{scroll-behavior:smooth}body{background:#e9eeec}a{text-underline-offset:4px}button{min-height:44px}.app{max-width:1000px;background:var(--bg)}.header{height:auto;min-height:86px}.brand-mark{letter-spacing:-2px;background:var(--green);padding-right:0}.brand strong{letter-spacing:-1px}.brand small{font-size:9px;letter-spacing:1.5px}.header-links{display:flex;gap:14px;align-items:center}.header-links>a{font-size:12px}.site-crumb{padding:12px 22px 0;display:flex;gap:8px;font-size:10px;color:var(--muted);align-items:center}.site-crumb a{color:var(--muted)}main{padding-top:24px;min-height:75dvh}main:focus{outline:none}.page-heading{margin-bottom:22px}.page-heading h1{line-height:1.28;font-size:32px;font-weight:650;letter-spacing:-.9px}.page-heading p{max-width:600px;font-size:13px;line-height:1.9}.eyebrow{font-size:10px;line-height:1.6;color:var(--green)}.hero-english{padding:26px 24px;border-radius:25px;background:#1e494a;color:#fff;position:relative;overflow:hidden}.hero-english:before{content:'';position:absolute;width:170px;height:170px;border:1px solid #ffffff20;border-radius:50%;right:-50px;top:-60px;pointer-events:none}.hero-english h2{font-family:Georgia,'Times New Roman',serif;font-size:36px;line-height:1.15;font-weight:400;letter-spacing:-.8px;position:relative;max-width:470px}.hero-english p{font-size:12px;color:#d9e7df;line-height:1.85;margin-top:14px;max-width:470px}.hero-english .eyebrow{color:#d4c99d;margin-bottom:16px}.hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.primary,.secondary,.quiet,.chip,.tag-button{display:inline-flex;gap:8px;align-items:center;justify-content:center;border-radius:13px;padding:12px 17px;font-size:13px;font-weight:600;text-decoration:none;line-height:1.4}.primary{background:var(--green);color:white}.primary:hover{background:#174c49}.secondary{border:1px solid var(--line);background:#fff;color:var(--ink)}.quiet{background:var(--soft);color:var(--green)}.hero-english .primary{background:#eef2d9;color:#203f3c}.hero-english .secondary{border-color:#ffffff40;background:transparent;color:white}.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);padding:19px 0;gap:8px;border-bottom:1px solid var(--line);margin-bottom:25px}.stat strong{display:block;font-size:24px;letter-spacing:-1px;font-weight:600}.stat span{font-size:10px;color:var(--muted)}.section-title h2{font-size:18px}.section-title small{color:var(--muted);font-size:10px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.topic-card{padding:19px 16px;background:white;border:1px solid var(--line);border-radius:19px;text-align:left;text-decoration:none;color:var(--ink);min-height:155px;display:flex;flex-direction:column;gap:9px}.topic-card:hover{border-color:var(--green);background:#f7faf6}.topic-icon{font-size:12px;letter-spacing:1px;color:var(--green);font-weight:700}.topic-card h3{font-size:17px;font-weight:650}.topic-card .ja{font-size:11px;color:var(--muted);line-height:1.6}.topic-card .count{font-size:10px;color:var(--green);margin-top:auto;padding-top:6px}.section-note{margin-top:14px;font-size:11px;line-height:1.9;color:var(--muted)}.callout{padding:18px 20px;background:#f0f4e8;border-radius:17px;border:1px solid #e1e8d5;font-size:12px;line-height:1.85}.callout h3{font-size:13px;margin-bottom:6px}.callout p{line-height:1.85}.library-tools{display:grid;gap:12px;margin-bottom:21px}.search-input{background:#fff;width:100%;border:1px solid var(--line);border-radius:13px;padding:14px 15px;font-size:14px}.filters{display:grid;grid-template-columns:1fr 1fr;gap:10px}.filters label{font-size:10px;color:var(--muted);display:grid;gap:5px}.filters select{width:100%;padding:11px 9px;border:1px solid var(--line);border-radius:10px;background:white;min-height:44px;font-size:12px}.kind-tabs{display:flex;gap:6px;overflow:auto;padding:2px 0 3px}.chip{padding:9px 13px;font-size:11px;min-height:38px;border:1px solid var(--line);background:white;white-space:nowrap;border-radius:22px;font-weight:500}.chip[aria-pressed=true]{background:var(--green);color:#fff;border-color:var(--green)}.library-results{display:grid;gap:12px}.unit-tile{background:#fff;border:1px solid var(--line);border-radius:18px;padding:17px 18px;position:relative}.unit-tile>a{color:var(--ink);text-decoration:none;display:block;padding-right:25px}.tile-meta{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:11px;align-items:center}.tag{display:inline-block;font-size:9px;line-height:1.5;padding:3px 7px;border-radius:5px;background:var(--soft);color:var(--green);font-weight:600}.tag.level{color:#6c5734;background:#f4efe3}.tag.reg{background:#f1f0f8;color:#6c6082}.unit-tile h2{font-size:21px;letter-spacing:-.35px;font-weight:550;line-height:1.4}.unit-tile .meaning{font-size:12px;margin-top:8px;line-height:1.8;color:var(--muted)}.ipa{font-family:'Charis SIL','Doulos SIL','Times New Roman',serif;letter-spacing:.1px;font-size:15px;line-height:1.6;color:var(--muted);font-weight:400;overflow-wrap:anywhere}.unit-tile .ipa{font-size:13px;margin-top:5px}.bookmark{position:absolute;right:8px;top:11px;width:42px;height:42px;color:var(--muted);display:grid;place-items:center;border-radius:10px}.bookmark[aria-pressed=true]{color:var(--green);background:var(--soft)}.bookmark svg{width:18px}.results-count{font-size:11px;color:var(--muted);margin-bottom:12px}.empty{padding:35px 20px;border:1px dashed var(--line);border-radius:16px;text-align:center;line-height:1.9;font-size:13px;color:var(--muted)}.unit-head{margin-top:20px;margin-bottom:24px}.unit-head h1{font-size:34px;line-height:1.3;font-weight:600;letter-spacing:-.6px;overflow-wrap:anywhere}.unit-head .ipa{margin:12px 0 6px}.unit-head .meaning{font-size:16px;line-height:1.7;margin-top:10px}.unit-head .row{margin-top:18px}.back-link{font-size:12px;font-weight:550}.explain{font-size:13px;line-height:2.05;white-space:pre-line}.note-block{border-top:1px solid var(--line);padding-top:17px;margin-top:18px}.note-block h3{font-size:11px;color:var(--green);margin-bottom:8px;letter-spacing:.4px}.note-block p{font-size:12px;line-height:1.95}.long-example{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;margin-top:18px}.long-example .en{font-size:23px;line-height:1.65;letter-spacing:-.35px;font-weight:500}.long-example .ipa{margin-top:13px;font-size:14px;line-height:1.8}.translation{font-size:13px;line-height:1.95;margin-top:13px;color:#465f65}.sentence-chunks{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0 10px}.sentence-chunks button{padding:9px 11px;background:#e9f0e8;border:1px solid #d9e3d5;border-radius:10px;font-size:14px;line-height:1.5;text-align:left;font-weight:500}.sentence-chunks button[aria-pressed=true]{background:var(--green);color:white;border-color:var(--green)}.chunk-gloss{min-height:30px;color:var(--green);font-size:12px;line-height:1.7}.audio-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:17px}.audio-controls button{font-size:12px}.source-links{font-size:11px;line-height:1.9}.source-links a{margin-right:12px;display:inline-block}.related{display:flex;flex-wrap:wrap;gap:7px;margin-top:12px}.related span{font-size:12px;padding:8px 10px;background:var(--soft);border-radius:8px;line-height:1.5}.grade-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:18px}.grade-row button{padding:13px 5px;border:1px solid var(--line);border-radius:12px;font-size:12px;font-weight:600;background:white;line-height:1.6}.grade-row button small{display:block;font-size:9px;color:var(--muted);font-weight:400}.grade-row button[data-grade=good]{background:var(--green);color:white;border-color:var(--green)}.grade-row button[data-grade=good] small{color:#e1eee5}.step-bar{display:flex;align-items:center;gap:12px;margin:20px 0}.step-bar progress{width:100%;height:6px;accent-color:var(--green)}.step-bar span{font-size:11px;white-space:nowrap;color:var(--muted)}.practice-card{border:1px solid var(--line);border-radius:21px;padding:24px 20px;background:white;min-height:220px}.practice-card h2{font-size:20px;line-height:1.6;letter-spacing:-.4px}.practice-card .prompt-ja{font-size:16px;line-height:1.85}.answer-input{margin-top:20px;min-height:105px;padding:13px;width:100%;border-radius:12px;border:1px solid var(--line);font-size:16px;line-height:1.6;resize:vertical;background:#fcfdfb}.answer-panel{margin-top:20px;padding-top:20px;border-top:1px solid var(--line)}.answer-panel h3{font-size:23px;line-height:1.5}.feedback{background:var(--soft);padding:12px 14px;border-radius:11px;color:var(--green);font-size:12px;line-height:1.85;margin-top:14px}.assembly-target{min-height:110px;border:1px dashed #bccdc5;border-radius:14px;padding:13px;margin-top:18px;background:#f9fbf6;display:flex;gap:6px;flex-wrap:wrap;align-content:flex-start}.chunk-pool{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.chunk-pool button,.assembly-target button{padding:9px 11px;border-radius:9px;background:var(--soft);font-size:13px;border:1px solid var(--line);text-align:left;line-height:1.7;min-height:42px}.chunk-pool button:disabled{opacity:.25}.practice-start{display:grid;gap:13px;margin-top:23px}.mode-card{display:flex;align-items:center;gap:17px;text-align:left;background:white;border:1px solid var(--line);border-radius:18px;padding:20px}.mode-number{font-size:27px;color:var(--green);font-family:Georgia,serif}.mode-card strong{display:block;font-size:17px;margin-bottom:6px}.mode-card small{font-size:11px;color:var(--muted);line-height:1.8;display:block}.dialogue-grid{display:grid;gap:12px}.dialogue-card{padding:20px;background:white;border:1px solid var(--line);border-radius:19px;text-decoration:none;color:var(--ink)}.dialogue-card h2{font-size:19px;margin:9px 0;line-height:1.4}.dialogue-card p{font-size:11px;line-height:1.8;color:var(--muted)}.dialogue-tools{display:grid;gap:12px;margin-bottom:20px}.dialogue-tools .row{align-items:center;flex-wrap:wrap}.dialogue-tools select{padding:10px;border-radius:10px;border:1px solid var(--line);min-height:44px;max-width:100%;background:white;font-size:12px}.role-label{font-size:11px;color:var(--green);font-weight:650;margin-bottom:10px}.dialogue-line{padding:20px;background:white;border:1px solid var(--line);border-radius:18px;margin-top:12px}.dialogue-line.mine{background:#edf3ed;border-color:#d7e3d7}.dialogue-line .en{font-size:21px;line-height:1.6;letter-spacing:-.2px}.dialogue-line .ipa{font-size:13px;margin-top:9px;line-height:1.8}.line-note{font-size:11px;line-height:1.9;color:var(--muted);margin-top:12px}.dialogue-footer{display:flex;gap:8px;justify-content:space-between;margin-top:20px;flex-wrap:wrap}.source-list{list-style:none;padding:0;display:grid;gap:12px}.source-list li{padding:14px 0;border-top:1px solid var(--line);font-size:12px;line-height:1.8;overflow-wrap:anywhere}.source-list small{display:block;margin-top:5px;color:var(--muted)}.settings-grid{display:grid;gap:18px}.setting-row{display:flex;justify-content:space-between;align-items:center;gap:18px}.setting-row label{font-size:13px;line-height:1.6}.setting-row select{max-width:60%;padding:10px;border-radius:10px;border:1px solid var(--line);font-size:12px;min-height:44px}.setting-row input[type=checkbox]{width:22px;height:22px;accent-color:var(--green)}.settings-grid .section-note{margin:0}.file-import{font-size:12px;display:grid;gap:9px}.file-import input{max-width:100%;font-size:11px}.bottom-nav{max-width:1000px;left:50%;transform:translateX(-50%);width:100%;grid-template-columns:repeat(5,minmax(0,1fr));backdrop-filter:blur(12px);background:#fbfcf8f5;border-top:1px solid var(--line)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:5px;text-decoration:none;min-height:65px;justify-content:center;padding:8px 3px;color:var(--muted);font-size:9px;font-weight:500}.bottom-nav a[aria-current=page]{color:var(--green);background:var(--soft)}.bottom-nav svg{width:21px;height:21px}.bottom-nav small{font-size:8px;letter-spacing:.2px}.audio-bar{max-width:1000px;left:50%;transform:translateX(-50%);width:100%;padding:10px 22px;background:#183f40;color:white;bottom:calc(65px + env(safe-area-inset-bottom));font-size:11px;z-index:30}.audio-bar button{color:white;padding:5px 13px;min-height:35px;border:1px solid #ffffff50;border-radius:8px;font-size:11px}.audio-bar[hidden]{display:none!important}.site-footer{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);font-size:10px;line-height:1.9;color:var(--muted)}.site-footer .row{gap:16px;flex-wrap:wrap;margin-bottom:13px}.site-footer p{font-size:10px;line-height:1.9}.site-footer a{color:var(--muted)}.static-article h1{font-size:32px;line-height:1.4}.static-article h2{font-size:23px;line-height:1.6;margin-bottom:14px}.static-article article{padding:24px 0;border-top:1px solid var(--line)}.static-article .section{margin-top:25px}.static-article .en{font-size:20px;line-height:1.7}.static-article .explain{margin:13px 0}.static-article .primary{margin-top:20px}.static-nav{display:flex;gap:12px;flex-wrap:wrap;font-size:12px}.static-nav a{padding:6px 0}.no-ipa .ipa{display:none!important}.no-japanese .translation,.no-japanese .unit-tile .meaning{display:none!important}dialog{max-width:600px;width:calc(100% - 28px);max-height:85dvh;padding:0;border-radius:22px;background:var(--bg);color:var(--ink)}#dialog-content{padding:22px;overflow:auto}#toast{max-width:calc(100% - 30px);font-size:12px;line-height:1.7;z-index:100;padding:13px 18px;border-radius:12px;background:#153f41;color:white}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #b18b3f;outline-offset:3px}.hide{display:none!important}[hidden]{display:none!important}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:720px){.header{padding-left:34px;padding-right:34px}.site-crumb{padding-left:34px}main{padding:30px 34px 125px}.home-columns{display:grid;grid-template-columns:1.15fr 1fr;gap:25px;align-items:start}.home-columns .hero-english{height:100%;min-height:283px}.home-columns .stats-strip{margin-top:0;padding-top:0}.topic-grid{grid-template-columns:repeat(4,1fr)}.topic-card{min-height:160px}.library-results{grid-template-columns:1fr 1fr}.dialogue-grid{grid-template-columns:1fr 1fr}.unit-body{display:grid;grid-template-columns:1fr 1.1fr;gap:28px}.unit-body .long-example{margin-top:0}.unit-head h1{font-size:41px;max-width:830px}.hero-english h2{font-size:40px}.practice-card{max-width:720px;margin:auto}.practice-start{grid-template-columns:repeat(3,1fr)}.mode-card{display:block;min-height:200px}.mode-number{display:block;margin-bottom:18px}.bottom-nav a{min-height:70px;font-size:10px}.bottom-nav small{font-size:9px}.page-heading h1{font-size:38px}.dialogue-line{max-width:760px}.dialogue-line.mine{margin-left:35px}.audio-bar{bottom:calc(70px + env(safe-area-inset-bottom))}}
@media(max-width:365px){main{padding-left:17px;padding-right:17px}.hero-english{padding:23px 19px}.hero-english h2{font-size:32px}.header{padding-left:17px;padding-right:17px}.brand strong{font-size:21px}.header-links>a{display:none}.topic-card{padding:16px 13px}.unit-head h1{font-size:29px}.unit-tile h2{font-size:19px}.grade-row button{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

.brand{text-decoration:none;color:var(--ink)}

.translation,.prompt-ja{white-space:pre-line}

.crumbs{padding:12px 22px 0;display:flex;gap:8px;font-size:10px;color:var(--muted);align-items:center}.crumbs a{color:var(--muted)}@media(min-width:720px){.crumbs{padding-left:34px}}

/* ENGLISH QUEST v1.1 — highly legible, touch-first, no remote assets */
.quest-hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:22px;overflow:hidden;position:relative;margin:22px 0 8px;padding:34px;min-height:325px;border-radius:26px;background:radial-gradient(circle at 88% 12%,#46637b 0%,transparent 44%),linear-gradient(126deg,#14293e,#1c3d50 58%,#205d5b);color:#fff;box-shadow:0 24px 55px #153e5233}
.quest-hero:before{content:"";position:absolute;width:350px;height:350px;right:-100px;bottom:-220px;border:1px solid #ffffff2b;border-radius:50%;box-shadow:0 0 0 35px #ffffff09,0 0 0 70px #ffffff07;pointer-events:none}
.quest-hero-copy,.quest-hero-right{position:relative;z-index:1}
.quest-kicker{display:inline-flex;gap:9px;align-items:center;color:#aee8db;font-size:10px;letter-spacing:1.55px;font-weight:800}
.quest-live{background:#ffc964;color:#293c44;font-size:9px;padding:4px 7px;border-radius:5px;letter-spacing:.5px}
.quest-hero h2{font-size:clamp(27px,3.5vw,39px);letter-spacing:-1.1px;line-height:1.46;color:#fff;margin:16px 0 11px;font-weight:800}
.quest-hero h2 em{font-style:normal;color:#b4f1da}
.quest-hero-copy>p{font-size:12px;line-height:1.95;color:#d2e3e7}
.quest-cta{margin-top:23px;display:flex;gap:15px;align-items:center;flex-wrap:wrap}
.quest-launch{border:0;border-radius:14px;display:inline-flex;align-items:center;justify-content:space-between;gap:22px;min-height:52px;padding:13px 19px;background:linear-gradient(140deg,#ffe69a,#ffc964);box-shadow:0 8px 0 #a9762633,0 12px 22px #0002;color:#152b3d;font-weight:850;font-size:15px;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease;cursor:pointer}
.quest-launch:hover{transform:translateY(-2px);box-shadow:0 10px 0 #a9762633,0 17px 27px #0003}
.quest-launch:active{transform:translateY(2px);box-shadow:0 3px 0 #a9762633}
.quest-launch span{font-size:20px}
.quest-link{color:#f3fcf7;text-underline-offset:4px;font-size:11px;font-weight:750}
.quest-micro{margin-top:19px;display:flex;gap:12px;flex-wrap:wrap;font-size:10px;color:#cce4e5}
.quest-hero-right{align-self:center;display:grid;gap:20px}
.quest-floating{background:#f9fbff;color:#152b3d;border-radius:19px;padding:22px 20px;box-shadow:0 18px 40px #0a101c4f;transform:rotate(2deg)}
.quest-floating>span{font-size:10px;color:#4d6570;letter-spacing:1.1px;font-weight:800}
.quest-floating p{font-family:Georgia,serif;font-size:clamp(17px,2.3vw,23px);font-weight:600;margin:19px 0}
.quest-floating p b{color:#168a6e;text-decoration:underline;text-decoration-color:#ffe3a1;text-underline-offset:6px}
.quest-sample-tiles{display:flex;gap:6px;flex-wrap:wrap;margin:9px 0 14px}
.quest-sample-tiles span{font-size:13px;border-radius:8px;background:#e6eff5;padding:9px 11px;font-weight:750;border-bottom:3px solid #b9d0de}
.quest-sample-tiles span:first-child{background:#b9efe0;border-bottom-color:#4ab797}
.quest-floating small{color:#5a6c77;font-size:10px}
.quest-points{display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between}
.quest-points span{font-size:10px;color:#cde2e5}
.quest-points strong{display:block;font-size:20px;color:#fff;margin-top:4px}
.quest-how{display:flex;gap:10px;justify-content:center;align-items:center;padding:15px 12px 19px;flex-wrap:wrap;font-size:11px;color:#3c6064;font-weight:600}
.quest-how span:not(.quest-chevron){display:inline-flex;align-items:center;gap:7px;background:#edf5ee;padding:8px 11px;border-radius:11px}
.quest-how strong{display:inline-flex;color:#fff;background:#248772;width:23px;height:23px;border-radius:8px;justify-content:center;align-items:center;font-size:10px}
.quest-chevron{opacity:.4}
.quest-invite{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:18px;padding:26px;margin:20px 0 23px;background:linear-gradient(122deg,#f8edd7,#e9f1e5);border:1px solid #e8dabb;border-radius:22px}
.quest-invite .quest-kicker{color:#357a6b}
.quest-invite h2{font-size:24px;line-height:1.5;margin:11px 0}
.quest-invite p{font-size:12px;color:#4f6769;line-height:1.9}
.quest-invite-tools{display:flex;flex-direction:column;justify-content:center;gap:13px}
.quest-invite-tools label{display:grid;gap:6px;font-size:11px;font-weight:700;color:#364f53}
.quest-invite-tools select{max-width:100%;border-radius:12px;background:#fff;padding:12px;border:1px solid #c7d5cc;min-height:46px;font-size:13px}
.quest-shell{margin:14px auto;max-width:880px}
.quest-topline{display:flex;gap:14px;align-items:center;margin-bottom:29px}
.quest-exit{display:inline-flex;gap:5px;align-items:center;flex-shrink:0;font-size:20px;text-decoration:none;color:#4d6676;font-weight:700}
.quest-exit span{font-size:11px}
.quest-progress{height:12px;flex:1;border-radius:999px;background:#dfeaf0;overflow:hidden;border:1px solid #c9dce5}
.quest-progress>span{height:100%;display:block;border-radius:999px;background:linear-gradient(90deg,#2fc3a0,#6fd4bd);transition:width .3s ease;position:relative}
.quest-progress>span:after{content:"";position:absolute;right:5px;top:1px;bottom:1px;width:18px;border-radius:8px;background:#ffffff80}
.quest-xp{font-size:12px;font-weight:800;color:#3e6570;white-space:nowrap}
.quest-step-label{display:flex;justify-content:space-between;gap:12px;font-size:11px;letter-spacing:1.1px;color:#538076;font-weight:800;margin-bottom:20px}
.quest-step-label span:last-child{color:#668089}
.quest-question{display:flex;align-items:center;gap:18px;padding:13px 0 23px}
.quest-question-symbol{display:flex;align-items:center;justify-content:center;flex-shrink:0;border-radius:19px;width:67px;height:67px;background:linear-gradient(145deg,#f0c66b,#f7e6bc);border:3px solid #fff;color:#2d5b64;font-family:Georgia,serif;font-size:29px;box-shadow:0 12px 19px #132c3d1c;transform:rotate(-5deg)}
.quest-question h1{font-size:clamp(21px,4.5vw,32px);letter-spacing:-.7px;line-height:1.45;color:#223e49}
.quest-sub{font-size:11px;color:#647b82;margin-top:7px}
.quest-board{background:#fff;border:1px solid #cbdedc;border-radius:26px;padding:26px;box-shadow:0 13px 36px #163b5114;position:relative}
.quest-prompt{font-size:clamp(16px,2.8vw,22px);font-weight:730;line-height:1.82;color:#223b46;border-radius:16px;padding:20px;background:#f2f7f7;min-height:76px}
.quest-prompt[lang=en]{font-family:Georgia,serif;font-size:clamp(21px,3.5vw,29px)}
.quest-answer-lane{border:2px dashed #aec9c7;background:#fbfdfa;min-height:95px;padding:12px;display:flex;align-content:flex-start;align-items:flex-start;flex-wrap:wrap;gap:8px;margin-top:17px;border-radius:16px}
.quest-answer-lane>span{font-size:13px;color:#90a6a4;padding:24px 7px}
.quest-answer-chip{display:inline-flex;gap:8px;align-items:center;border-radius:10px;border:1px solid #9bdac6;background:#dcf7ec;color:#185d4b;padding:10px 13px;font-size:15px;font-weight:750;min-height:44px;box-shadow:0 3px 0 #9ad8c2}
.quest-answer-chip span{font-size:12px;opacity:.65}
.quest-answer-chip:disabled{opacity:.9}
.quest-bank-head{display:flex;justify-content:space-between;gap:10px;align-items:baseline;margin:23px 0 12px}
.quest-bank-head b{font-size:13px;color:#2e5055}
.quest-bank-head small{font-size:11px;color:#59887b}
.quest-bank,.quest-choice-grid{display:flex;align-items:stretch;align-content:flex-start;flex-wrap:wrap;gap:9px}
.quest-choice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.quest-tile{border:1px solid #cbd6de;border-bottom:3px solid #a9bec7;border-radius:11px;background:linear-gradient(180deg,#fff,#f5f7fa);font-size:15px;line-height:1.52;font-weight:690;padding:11px 15px;min-height:49px;color:#2b4654;text-align:center;overflow-wrap:anywhere;transition:transform .14s ease,background .14s ease;cursor:pointer}
.quest-tile:hover:not(:disabled){transform:translateY(-2px);background:#f5faf7;border-color:#5ba98f}
.quest-tile:active:not(:disabled){transform:translateY(1px)}
.quest-tile.is-selected{background:#d2f6e8;border-color:#3ba482;border-bottom-color:#26846a;color:#165e47}
.quest-bank .quest-tile:disabled{opacity:.28;transform:none}
.quest-choice-grid .quest-tile{font-size:14px;text-align:left;min-height:70px;padding:16px}
.quest-choice-grid .quest-tile.is-selected{opacity:1}
.quest-control-row{display:flex;gap:15px;margin-top:20px;align-items:center;flex-wrap:wrap}
.quest-hint{border:0;background:none;text-decoration:underline;text-underline-offset:4px;color:#57847a;font-size:12px;font-weight:650;min-height:40px}
.quest-hint:disabled{opacity:.45}
.quest-hint-text{background:#fff7db;border:1px solid #f0db9c;border-radius:12px;padding:13px 15px;font-size:12px;line-height:1.8;color:#745b19;margin-top:12px}
.quest-check,.quest-next{width:100%;border:0;min-height:58px;font-size:16px;font-weight:850;background:linear-gradient(135deg,#248b75,#126458);border-radius:14px;color:#fff;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 22px;margin-top:20px;box-shadow:0 6px 0 #0a473d45;cursor:pointer}
.quest-check:not(:disabled):hover,.quest-next:hover{filter:brightness(1.08);transform:translateY(-1px)}
.quest-check:disabled{background:#e5e9ed;color:#96a5ac;box-shadow:none;cursor:not-allowed}
.quest-check span{font-size:24px}
.quest-bottom-tip{text-align:center;color:#819499;margin-top:12px;font-size:11px}
.quest-audio-play{display:inline-flex;gap:9px;align-items:center;flex-wrap:wrap;padding:17px 22px;margin-bottom:16px;background:#213f63;color:white;border-radius:16px;border:0;font-size:16px;font-weight:770}
.quest-audio-play svg{width:20px;height:20px;stroke:white}
.quest-audio-play small{font-size:10px;opacity:.75;font-weight:400}
.quest-feedback{margin:20px 0;padding:24px;background:#ebf9f1;border:1px solid #a8e7c9;border-radius:22px;animation:quest-pop .27s ease-out;outline:0}
.quest-feedback.is-wrong{background:#fff2e5;border-color:#f5c7a4}
.quest-feedback-top{display:flex;gap:14px;align-items:center}
.quest-medallion{width:50px;height:50px;display:flex;align-items:center;justify-content:center;background:#247e69;color:white;border-radius:15px;font-size:25px;flex-shrink:0}
.is-wrong .quest-medallion{background:#e38d48}
.quest-feedback-top strong{display:block;font-size:19px;line-height:1.5;color:#215c4b}
.quest-feedback-top p{font-size:12px;color:#50796d;margin-top:5px}
.is-wrong .quest-feedback-top strong{color:#a7612c}
.is-wrong .quest-feedback-top p{color:#8b6d54}
.quest-attempt,.quest-model{padding:14px 17px;margin-top:18px;background:#ffffffb0;border-radius:13px;border:1px solid #dce6e1}
.quest-attempt{background:#fff9f3}
.quest-attempt small,.quest-model small{font-size:10px;font-weight:800;color:#618079;letter-spacing:.6px}
.quest-attempt p,.quest-model p{font-size:17px;font-weight:800;margin-top:7px;line-height:1.7}
.quest-model p[lang=en]{font-family:Georgia,serif;font-size:21px}
.quest-meaning{margin-top:23px;padding-top:19px;border-top:1px solid #b9d7cc}
.quest-mini-label{font-size:10px;font-weight:800;letter-spacing:1.2px;color:#24876d}
.quest-full-example{font-family:Georgia,serif;font-size:21px;font-weight:650;line-height:1.68;margin:9px 0}
.quest-meaning .ipa{font-size:13px;line-height:1.8}
.quest-meaning .translation{margin:12px 0;font-size:13px}
.quest-japanese-note{background:#fff;border-radius:13px;padding:16px;margin-top:14px}
.quest-japanese-note>b{font-size:12px;color:#326a60}
.quest-japanese-note p{font-size:12px;line-height:1.9;white-space:pre-line;margin-top:8px;color:#405e61}
.quest-feedback-actions{display:flex;gap:15px;align-items:center;flex-wrap:wrap;margin-top:15px}
.quest-more{font-size:12px;color:#365f62;font-weight:700}
.quest-next{margin-top:22px;background:linear-gradient(135deg,#1e896d,#176c55)}
.quest-done{padding:42px 25px;margin-top:27px;text-align:center;background:linear-gradient(145deg,#eff8ec,#ecf2ff);border:1px solid #d5e8dd;border-radius:26px}
.quest-done-spark{color:#c09a37;font-size:24px;letter-spacing:20px;display:block;margin-bottom:14px}
.quest-done .quest-kicker{color:#3b8271}
.quest-done h1{font-size:clamp(26px,4vw,37px);line-height:1.45;margin:12px 0}
.quest-done>p{font-size:13px;color:#5a7377;line-height:1.9}
.quest-finish-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;max-width:550px;margin:23px auto}
.quest-finish-stats div{padding:16px 8px;background:#fff;border-radius:15px}
.quest-finish-stats strong{display:block;font-size:27px;color:#206f60}
.quest-finish-stats small{display:block;color:#67817e;font-size:10px;margin-top:5px}
.quest-end-links{justify-content:center}
.quest-end-links a.secondary{text-decoration:none}
.quest-sound-setting{display:flex;gap:10px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin:18px 0 23px;color:#859799;font-size:10px}
.quest-sound-setting button{border:1px solid #d6e4e3;border-radius:999px;background:#fff;color:#617b80;padding:9px 12px;font-size:11px;min-height:36px}
@keyframes quest-pop{from{opacity:.55;transform:translateY(12px) scale(.985)}to{opacity:1;transform:translateY(0) scale(1)}}
@media(max-width:720px){.quest-hero{grid-template-columns:minmax(0,1fr);padding:25px 22px;border-radius:22px;gap:18px;margin-top:13px}.quest-hero h2{font-size:32px}.quest-floating{transform:rotate(0);padding:17px}.quest-floating p{margin:11px 0;font-size:21px}.quest-points strong{font-size:17px}.quest-invite{grid-template-columns:1fr;padding:21px;border-radius:18px}.quest-invite h2{font-size:22px}.quest-how{font-size:10px;gap:5px}.quest-how span:not(.quest-chevron){padding:7px}.quest-question-symbol{width:55px;height:55px;font-size:24px}.quest-question{gap:13px}.quest-board{padding:18px 15px;border-radius:20px}.quest-answer-chip{font-size:13px;padding:8px 9px}.quest-choice-grid{grid-template-columns:1fr}.quest-choice-grid .quest-tile{min-height:58px;padding:12px}.quest-tile{font-size:13px;min-height:45px;padding:9px 11px}.quest-prompt{font-size:16px;padding:14px}.quest-topline{gap:9px}.quest-xp{font-size:10px}.quest-exit span{display:none}.quest-how .quest-chevron{display:none}.quest-check{min-height:54px}.quest-feedback{padding:19px 15px}.quest-feedback-top strong{font-size:17px}.quest-full-example{font-size:19px}}
@media(prefers-reduced-motion:reduce){.quest-feedback{animation:none}.quest-launch,.quest-tile,.quest-progress>span,.quest-check,.quest-next{transition:none!important}.quest-launch:hover,.quest-tile:hover:not(:disabled){transform:none}}


/* A native progress element avoids unsafe inline styles under the strict CSP. */
progress.quest-progress{display:block;flex:1;min-width:0;appearance:none;-webkit-appearance:none;height:13px;border:1px solid #c9dce5;border-radius:999px;overflow:hidden;background:#dfeaf0;color:#2fc3a0;accent-color:#2fc3a0}
progress.quest-progress::-webkit-progress-bar{background:#dfeaf0;border-radius:999px}
progress.quest-progress::-webkit-progress-value{background:linear-gradient(90deg,#2fc3a0,#6fd4bd);border-radius:999px;transition:width .3s ease}
progress.quest-progress::-moz-progress-bar{background:linear-gradient(90deg,#2fc3a0,#6fd4bd);border-radius:999px}