:root{--paper:#f6f5f0;--white:#fff;--ink:#1c312f;--muted:#6a7570;--green:#193d38;--green2:#2d5d50;--lime:#deedb5;--line:#e4e6dc;--soft:#edf1e7;--orange:#bc6b42;--danger:#a54037;--shadow:0 6px 25px #203c3006;--radius:22px;font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
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.assessment-shell{max-width:850px;margin:0 auto;padding:32px 28px 50px}.assessment-top{display:flex;align-items:center;justify-content:space-between;gap:15px;padding-bottom:27px}.assessment-label{font-size:11px;color:var(--muted)}.test-timer{display:flex;align-items:center;gap:7px;padding:9px 13px;background:#e9eee1;border-radius:25px;font-size:17px;font-variant-numeric:tabular-nums}.test-timer .icon{width:16px;height:16px}.test-timer.urgent{background:#f9e4d8;color:#ac5336}.test-progress{display:flex;align-items:center;justify-content:space-between;font-size:10px;color:var(--muted);margin:3px 0 12px}.assessment-card{padding:31px 35px;margin-top:24px;border-radius:21px}.question-meta{display:flex;gap:10px;justify-content:space-between;align-items:center;margin-bottom:24px}.question-number{font-family:Georgia,serif;font-size:13px;color:#7b8e6c}.question-text{font-size:18px;line-height:1.85;margin:0 0 24px;white-space:pre-wrap;font-weight:600}.question-text.en{font-family:Georgia,serif;font-size:24px;font-weight:400}.passage{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.85;background:#f7f8f3;border:1px solid #e8ecdf;padding:23px;border-radius:12px;margin-bottom:22px;white-space:pre-wrap;color:#374a40}.passage mark{background:#e4edca;color:inherit;padding:0 2px;border-radius:3px}.listen-box{text-align:center;padding:23px;border:1px dashed #cbd8ba;border-radius:14px;background:#f7f9f1;margin:0 0 23px}.listen-box .listen-symbol{display:flex;gap:5px;justify-content:center;align-items:center;height:35px;color:#7a9564;margin:0 0 13px}.wave{display:block;width:4px;height:15px;background:currentColor;border-radius:4px}.wave:nth-child(2n){height:28px}.wave:nth-child(3n){height:21px}.listen-box p{font-size:10px;color:var(--muted);line-height:1.8;margin:11px 0 0}.choices{display:flex;flex-direction:column;gap:11px}.choice{width:100%;display:flex;align-items:center;text-align:left;gap:14px;min-height:58px;border-radius:12px;border:1px solid #dfe5d7;background:#fff;padding:14px 17px;font-size:14px;line-height:1.7}.choice .letter{display:grid;place-items:center;width:27px;height:27px;flex-shrink:0;border:1px solid #e2e6db;background:#f8f9f4;border-radius:8px;font-size:10px;color:#87907e}.choice.selected{background:#eef4e3;border-color:#91ab73}.choice.selected .letter{background:var(--green2);border-color:var(--green2);color:#fff}.choice.correct{border-color:#75996b;background:#eff6e8}.choice.wrong{border-color:#cd9e93;background:#fbefeb}.choice:disabled{opacity:1;color:inherit}.choice .answer-icon{margin-left:auto;flex-shrink:0;color:#5a7e4d}.choice .answer-icon.bad{color:var(--danger)}.assessment-actions{display:flex;justify-content:space-between;align-items:center;margin-top:26px;gap:15px}.assessment-actions .btn{min-width:150px}.assessment-footer{font-size:10px;color:var(--muted);line-height:1.9;text-align:center;margin:19px 0 0}.feedback{background:#f2f6eb;border:1px solid #dbe7cb;border-radius:12px;padding:20px;margin-top:21px}.feedback.incorrect{background:#fcf4ed;border-color:#ecd7c3}.feedback h3{font-size:13px;margin:0 0 11px}.feedback p{font-size:12px;line-height:1.9;white-space:pre-wrap;margin:0}.feedback .link-btn{margin-top:11px}.result-top{text-align:center;padding:15px 0 22px}.result-top .result-medal{display:grid;place-items:center;width:65px;height:65px;border-radius:50%;background:#e3eccf;color:#567749;margin:5px auto 20px}.result-top .result-medal .icon{width:29px;height:29px}.result-top h1{font-size:24px;margin:14px 0 10px}.result-top p{font-size:12px;line-height:1.9;color:var(--muted)}.result-grade{display:flex;align-items:baseline;justify-content:center;gap:10px;font-size:17px;margin:26px 0}.result-grade b{font-size:65px;line-height:1.3;letter-spacing:-.025em;font-family:Georgia,"Hiragino Kaku Gothic ProN",serif;font-weight:500}.result-grade b.long{font-size:42px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.result-grid h2{font-size:13px;margin:0 0 20px}.result-actions{display:flex;justify-content:center;gap:13px;margin:25px 0 0;flex-wrap:wrap}.review-details{margin:21px 0}.review-details summary{cursor:pointer;font-size:12px;line-height:1.8;padding:17px 0;color:var(--green2)}.answer-review{border-top:1px solid var(--line);padding:17px 0}.answer-review h3{font-size:12px;line-height:1.8;margin:0 0 9px}.answer-review p{font-size:11px;line-height:1.9;white-space:pre-wrap;color:var(--muted);margin:5px 0}.answer-review .correct-text{color:#547844}.grade-evidence{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.evidence{padding:13px 8px;text-align:center;background:#f5f7f0;border:1px solid #e5eadb;border-radius:9px}.evidence b{display:block;font-size:12px;margin-bottom:7px}.evidence small{font-size:10px;color:var(--muted)}.large-score{font-family:Georgia,serif;font-size:60px;line-height:1.2;margin:15px 0}.large-score small{font-size:22px;color:var(--muted)}
.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#253f36;color:#fff;border-radius:12px;padding:13px 21px;max-width:calc(100vw - 30px);font-size:12px;line-height:1.7;box-shadow:0 6px 25px #0002;z-index:100;opacity:0;pointer-events:none;transition:.2s}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{max-width:620px;width:calc(100% - 34px);max-height:85dvh;border:1px solid #d9e0cd;border-radius:21px;padding:28px;color:var(--ink);background:var(--white);box-shadow:0 20px 80px #17372e20}dialog::backdrop{background:#12292055;backdrop-filter:blur(3px)}dialog h2{font-size:19px;line-height:1.6;margin:2px 0 20px}dialog h3{font-size:13px;margin:23px 0 10px}dialog p,dialog li{font-size:12px;line-height:1.9}dialog ul{padding-left:20px}dialog .modal-close{float:right;border:0;background:#f0f3e9;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;margin:-5px -5px 0 12px}.loading{display:grid;min-height:100vh;place-items:center;color:var(--muted);font-size:13px}.storage-warning{padding:12px 20px;background:#f6e8cc;font-size:11px;line-height:1.8;color:#755e3d}.offline-label{font-size:9px;color:var(--muted)}.hidden{display:none!important}@keyframes in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1500px){.workspace{padding-left:65px;padding-right:65px}.intro-hero h1{font-size:40px}}
@media(max-width:1190px){.sidebar{width:204px;padding:28px 17px}.workspace{margin-left:204px;padding:0 30px 35px}.brand strong{font-size:14px}.brand small{font-size:8px}.intro-hero{padding:34px 29px}.intro-hero h1{font-size:30px}.intro-features{gap:12px}.feature{padding:18px;gap:11px}.feature .feature-icon{width:31px;height:31px}.feature h2{font-size:11px}.course-grid{grid-template-columns:repeat(4,1fr);gap:10px}.course-card{padding:17px 14px}.course-card h3{font-size:17px}.course-card .tag{font-size:8px;padding:4px 5px}.mini-progress{gap:16px;padding:23px 18px}.ring{height:90px;width:90px}.ring-inner b{font-size:25px}.progress-copy h3{font-size:11px}.welcome-card{padding:28px}.welcome-card h2{font-size:23px}.skill-row{grid-template-columns:84px 1fr 31px;gap:9px;font-size:10px}}
@media(max-width:950px){.sidebar{width:183px;padding:26px 13px}.workspace{margin-left:183px;padding:0 24px 30px}.brand{gap:8px}.brandmark{width:35px;height:35px;font-size:25px;border-radius:10px}.brand strong{font-size:13px}.brand small{font-size:6px}.nav button{padding:14px 13px;font-size:12px;gap:11px}.side-note{padding:13px}.intro-hero{grid-template-columns:1fr .75fr;padding:30px 26px;min-height:355px}.intro-hero h1{font-size:27px}.intro-hero p{font-size:11px}.intro-hero .floating-stamp{font-size:7px;right:18px;top:20px}.intro-meta{gap:13px;font-size:8px}.map-art{min-height:240px}.intro-features{grid-template-columns:1fr;gap:10px}.feature{padding:16px 20px;align-items:center}.feature h2{margin:0 0 4px}.feature p{font-size:10px}.feature .feature-icon{height:35px;width:35px}.diag-detail{gap:15px}.diag-detail .card{padding:21px}.dashboard-hero{grid-template-columns:1fr}.mini-progress{padding:21px 27px}.progress-copy{flex:1}.stats-row{gap:10px}.stat{padding:18px 17px}.stat-icon{height:30px;width:30px;border-radius:8px}.stat-icon .icon{width:17px}.stat-value{font-size:22px}.course-grid{grid-template-columns:repeat(2,1fr);gap:13px}.course-card{padding:19px 20px;min-height:177px}.course-card .tag{font-size:9px;padding:4px 7px}.course-card p{font-size:10px}.course-card h3{font-size:21px}.home-lower{grid-template-columns:1fr}.writing-layout,.settings-grid{grid-template-columns:1fr}.page-heading h1{font-size:24px}.goal-pill{display:none}.module-grid{gap:13px}.module{padding:21px}.study-intro .big-grade{font-size:47px;min-width:100px;min-height:100px}}
@media(max-width:700px){.sidebar{inset:auto 0 0;width:100%;height:calc(68px + env(safe-area-inset-bottom));padding:0 6px env(safe-area-inset-bottom);display:block;border-right:0;border-top:1px solid #e0e4d8;background:#fcfcf9f5;backdrop-filter:blur(15px)}.sidebar .brand,.nav-label,.sidebar-bottom{display:none}.nav{height:68px;display:grid;grid-template-columns:repeat(4,1fr);gap:0}.nav button{display:flex;flex-direction:column;justify-content:center;gap:5px;border-radius:0;padding:7px 2px;font-size:9px;min-height:58px}.nav button .icon{width:21px;height:21px}.nav button.active{background:transparent;color:var(--green)}.nav button.active:before{top:0;bottom:auto;left:calc(50% - 14px);width:28px;height:3px}.nav .badge{position:absolute;top:5px;left:calc(50% + 7px);font-size:8px;min-width:16px;height:16px;border:2px solid var(--paper);border-radius:20px}.workspace{margin-left:0;padding:0 20px calc(105px + env(safe-area-inset-bottom))}.topbar{height:82px;gap:10px}.mobile-brand{display:flex;gap:9px;align-items:center}.mobile-brand strong{font-size:14px;display:block}.mobile-brand small{display:block;font-size:7px;letter-spacing:.13em;color:var(--muted);margin-top:4px}.mobile-brand .brandmark{width:32px;height:32px;font-size:24px}.topbar-title{display:none}.topbar-right{gap:11px}.today-count{font-size:9px;gap:5px}.today-count b{font-size:14px}.today-count .icon{display:none}.avatar{height:30px;width:30px;font-size:10px}.page{padding-top:25px}.page-heading{margin-bottom:20px;gap:12px}.page-heading h1{font-size:23px;margin-top:8px}.page-heading p{font-size:11px;margin-top:7px}.eyebrow{font-size:9px}.intro-hero{display:block;padding:32px 27px 23px;border-radius:22px;min-height:0}.intro-hero h1{font-size:31px;margin-top:23px;line-height:1.65}.intro-hero p{font-size:11px;line-height:2;max-width:350px;margin-bottom:22px}.intro-hero .floating-stamp{font-size:7px;top:20px;right:19px}.intro-hero .btn{min-height:48px;min-width:200px}.intro-meta{font-size:9px;gap:17px;margin-top:20px}.map-art{min-height:0;height:208px;margin:10px -5px 0}.map-art svg{max-width:280px;height:212px}.map-art .art-note{font-size:7px;bottom:1px}.intro-features{margin-top:16px;gap:10px}.feature{padding:17px 18px;border-radius:15px;gap:14px}.feature h2{font-size:12px}.feature p{font-size:10px;line-height:1.75}.diag-detail{grid-template-columns:1fr;gap:15px;margin-top:16px}.diag-detail .card{padding:22px}.diag-detail h2{font-size:13px}.step p{font-size:11px}.step strong{font-size:12px}.step-num{font-size:18px}.grade-mini-row{gap:4px}.grade-mini{font-size:8px;border-radius:7px;height:34px}.section-title{margin-top:25px}.section-title h2{font-size:14px}.section-title small{font-size:9px}.card{padding:22px;border-radius:18px}.welcome-card{padding:27px}.welcome-card h2{font-size:24px}.welcome-card p{font-size:11px}.mini-progress{padding:22px;gap:24px}.stats-row{gap:9px;margin-top:14px}.stat{padding:16px 11px;display:block;border-radius:14px}.stat-icon{display:none}.stat-label{font-size:9px}.stat-value{font-size:26px;margin-top:10px}.stat-value small{font-size:9px}.dashboard-hero{gap:14px}.course-grid{gap:11px}.course-card{padding:18px 16px;min-height:185px;border-radius:15px}.course-card h3{font-size:21px}.grade-symbol{width:32px;height:32px;font-size:10px}.grade-top{margin-bottom:12px}.course-card .tag{font-size:8px;padding:4px 6px}.course-card p{margin:10px 0 12px;font-size:9px}.level{font-size:9px}.skill-row{grid-template-columns:89px 1fr 34px;gap:12px;font-size:11px}.home-lower{gap:15px}.footer{margin-top:25px;display:block;text-align:center;font-size:8px}.footer div{margin-top:10px}.bottom-note{font-size:9px}.grade-tab{padding:9px 15px;font-size:11px}.study-intro{padding:22px 20px;gap:15px;margin-top:12px}.study-intro h2{font-size:21px}.study-intro p{font-size:10px}.study-intro .big-grade{min-height:78px;min-width:78px;font-size:36px;border-radius:15px}.study-intro .big-grade.wide{font-size:18px;min-width:78px;max-width:90px;line-height:1.8;text-align:center}.module-grid{gap:11px}.module{padding:19px 16px;border-radius:15px}.module h3{font-size:13px;margin-top:15px}.module p{font-size:10px;min-height:52px}.module-meta{align-items:flex-end;gap:10px;margin-top:15px;flex-wrap:wrap}.module-meta .btn{margin-left:auto;min-height:34px;font-size:10px;padding:7px 10px}.module-icon{height:33px;width:33px}.module .tag{font-size:8px;padding:4px 5px}.resume-card{padding:16px;gap:12px;align-items:center}.resume-card strong{font-size:11px}.resume-card p{font-size:9px}.resume-card .btn{font-size:10px;padding:8px 10px;white-space:nowrap}.review-item{padding:16px;grid-template-columns:32px 1fr;gap:12px}.review-item>.btn{grid-column:2;justify-self:end}.review-item h3{font-size:11px}.assessment-shell{padding:24px 17px calc(35px + env(safe-area-inset-bottom))}.assessment-top{padding-bottom:23px}.assessment-top .brand strong{font-size:13px}.assessment-top .brand small{font-size:7px}.test-timer{font-size:15px;padding:8px 11px}.assessment-card{margin-top:20px;padding:23px 20px;border-radius:18px}.question-meta{margin-bottom:19px}.question-text{font-size:16px;line-height:1.9;margin-bottom:20px}.question-text.en{font-size:22px;line-height:1.7}.passage{padding:17px;font-size:18px;line-height:1.8;margin-bottom:20px}.choice{min-height:55px;font-size:13px;padding:13px 12px;gap:11px}.choice .letter{width:25px;height:25px;font-size:9px}.choices{gap:10px}.assessment-actions{gap:12px}.assessment-actions .btn{min-width:140px;padding:12px 15px}.assessment-actions .link-btn{font-size:10px}.feedback{padding:17px}.feedback p{font-size:12px}.result-grid{grid-template-columns:1fr;gap:15px}.result-top h1{font-size:22px}.result-grade b{font-size:60px}.result-grade b.long{font-size:37px}.result-grade{font-size:14px}.result-top p{font-size:11px}.result-actions{gap:10px;flex-direction:column}.result-actions .btn{width:100%}.grade-evidence{gap:7px}.evidence b{font-size:11px}.notice{font-size:10px}.prompt-box{font-size:12px;padding:17px}.english{font-size:18px}.textarea{font-size:16px;min-height:220px}.word-meter{font-size:10px}.writing-layout{gap:15px}.checklist label{font-size:12px}.practice-title{font-size:16px}.model{font-size:16px}.settings-grid{gap:15px}.chart-days{gap:7px}.chart-bar{width:65%}.history-item{font-size:10px}.toast{bottom:calc(85px + env(safe-area-inset-bottom));width:max-content;max-width:calc(100vw - 34px);text-align:center}dialog{padding:23px;max-height:85dvh}dialog h2{font-size:17px}dialog p,dialog li{font-size:12px}.empty{padding:43px 24px}.empty h2{font-size:18px}}
@media(max-width:360px){.workspace{padding-left:15px;padding-right:15px}.intro-hero{padding:29px 22px 22px}.intro-hero h1{font-size:28px}.intro-meta{gap:12px;font-size:8px}.course-card{padding:16px 13px}.course-card h3{font-size:19px}.module{padding:17px 13px}.stat-value{font-size:23px}.today-count span{display:none}.assessment-card{padding:22px 17px}.assessment-actions .btn{min-width:128px}.grade-mini{font-size:7px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}