:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1f2937;background:#f6f7fb;line-height:1.5}*{box-sizing:border-box}html{background:#f6f7fb}body{margin:0;padding-bottom:calc(86px + env(safe-area-inset-bottom));min-height:100vh}.app-header{max-width:900px;margin:auto;padding:24px 20px 12px;display:flex;justify-content:space-between;align-items:center;gap:12px}.eyebrow{margin:0;color:#667085;font-size:.85rem;font-weight:700}.app-header h1,.section-head h2,.camera-topbar h2{margin:3px 0 0;font-size:clamp(1.3rem,4vw,2rem)}.streak{background:#fff;border-radius:999px;padding:9px 13px;font-weight:800;box-shadow:0 4px 18px #0000000c;white-space:nowrap}main{max-width:900px;margin:auto;padding:12px 20px}.view{display:none}.view.active{display:block}.hero-card,.mode-card,.step-card{border:0;background:#fff;border-radius:22px;box-shadow:0 8px 24px #1018280d}.hero-card{width:100%;padding:24px;text-align:left;display:flex;gap:18px;align-items:center;cursor:pointer;min-height:92px}.hero-icon{font-size:2rem}.hero-card strong{display:block;font-size:1.3rem}.hero-card small,.mode-card small,.capture-card small{display:block;color:#667085;margin-top:3px}.mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:14px}.mode-card{padding:20px;text-align:left;cursor:pointer;min-height:132px}.mode-card span{font-size:1.8rem;display:block;margin-bottom:8px}.mode-card strong{font-size:1rem;display:block}.section-head{display:flex;gap:12px;align-items:center;margin-bottom:16px}.back{border:0;background:#fff;border-radius:50%;width:44px;height:44px;font-size:1.2rem;cursor:pointer;flex:0 0 auto}.step-card{padding:18px;margin:12px 0}.step-card h3{margin:0 0 12px}.chip-row{display:flex;gap:8px;flex-wrap:wrap}.chip{border:1px solid #d0d5dd;background:#fff;border-radius:999px;padding:10px 15px;cursor:pointer;min-height:44px}.chip.selected{border-color:#475467;background:#eef2ff;font-weight:800}.subject-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.subject-btn{border:1px solid #e4e7ec;background:#fff;border-radius:14px;padding:12px 8px;cursor:pointer;font-weight:700;min-height:64px}.subject-btn.selected{outline:3px solid #d0d5dd}.search,textarea,select,input[type=text]{width:100%;border:1px solid #d0d5dd;border-radius:12px;padding:12px;font:inherit;margin:6px 0;min-height:46px;background:#fff}.unit-list{display:grid;gap:8px;margin-top:10px;max-height:360px;overflow:auto}.unit-item{display:flex;gap:10px;align-items:flex-start;padding:11px;border:1px solid #eaecf0;border-radius:12px;min-height:52px}.unit-item input{width:20px;height:20px}.unit-item small{display:block;color:#667085}.primary,.secondary{border-radius:16px;padding:14px 16px;font:inherit;font-weight:800;cursor:pointer;min-height:48px}.primary{width:100%;border:0;background:#1d2939;color:#fff}.secondary{border:1px solid #d0d5dd;background:#fff;color:#344054}.summary,.help{color:#667085}.notice{padding:14px 16px;border-radius:14px;background:#fff7e6;margin-bottom:12px}.capture-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.capture-card{border:1px solid #e4e7ec;background:#fff;border-radius:16px;padding:18px 14px;text-align:left;cursor:pointer;min-height:122px;color:inherit}.capture-card span{font-size:1.8rem;display:block;margin-bottom:8px}.capture-card strong{display:block}.preview-area{margin-top:14px}.paper-preview{width:100%;max-height:460px;object-fit:contain;border-radius:14px;background:#f2f4f7;border:1px solid #eaecf0}.preview-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}.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}.bottom-nav{position:fixed;z-index:20;bottom:0;left:0;right:0;background:#ffffffed;border-top:1px solid #eaecf0;display:flex;justify-content:center;gap:22px;padding:9px 16px calc(10px + env(safe-area-inset-bottom));backdrop-filter:blur(8px)}.bottom-nav button{border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:2px;color:#667085;cursor:pointer;min-width:58px;min-height:48px}.bottom-nav button span{font-size:.72rem}.camera-modal{position:fixed;z-index:100;inset:0;background:#101828f2;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);display:flex;align-items:center;justify-content:center}.camera-modal[hidden]{display:none}.camera-shell{width:min(100%,760px);height:100%;display:flex;flex-direction:column;padding:14px;color:#fff}.camera-topbar{display:flex;justify-content:space-between;align-items:center;gap:12px}.camera-topbar .eyebrow{color:#d0d5dd}.camera-close{border:0;background:#ffffff1f;color:#fff;border-radius:50%;width:44px;height:44px;font-size:1.1rem;cursor:pointer;flex:0 0 auto}.camera-frame{position:relative;flex:1;min-height:0;margin-top:14px;border-radius:18px;overflow:hidden;background:#000}.camera-frame video{width:100%;height:100%;object-fit:cover;display:block}.paper-guide{position:absolute;inset:7% 6%;border:3px solid #ffffffd9;border-radius:10px;box-shadow:0 0 0 999px #0003}.camera-help{text-align:center;color:#e4e7ec;margin:10px 0}.camera-actions{display:grid;grid-template-columns:1fr 1.5fr 1fr;align-items:center;gap:12px;padding:6px 0}.camera-actions .secondary{grid-column:1;background:#ffffff12;color:#fff;border-color:#ffffff4d}.shutter{grid-column:2;justify-self:center;width:72px;height:72px;border-radius:50%;border:5px solid #fff;background:transparent;padding:6px;cursor:pointer}.shutter span{display:block;width:100%;height:100%;border-radius:50%;background:#fff}.shutter:active span{transform:scale(.9)}button:focus-visible,label:focus-within,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #98a2b3;outline-offset:2px}@media(max-width:620px){.app-header{padding:16px 14px 8px}.app-header h1{font-size:1.28rem}.streak{padding:8px 10px;font-size:.9rem}main{padding:8px 14px}.mode-grid{grid-template-columns:1fr 1fr;gap:10px}.mode-card{padding:15px;min-height:120px}.subject-grid{grid-template-columns:repeat(2,1fr)}.step-card{padding:16px}.capture-grid{grid-template-columns:1fr}.capture-card{min-height:96px}.bottom-nav{justify-content:space-around;gap:0}.camera-shell{padding:10px}.camera-topbar h2{font-size:1.05rem}.camera-frame{border-radius:14px}.camera-actions{grid-template-columns:1fr 1fr 1fr}.shutter{width:68px;height:68px}}@media(max-width:380px){.mode-grid{grid-template-columns:1fr}.mode-card{min-height:96px}.subject-grid{grid-template-columns:1fr 1fr}.app-header h1{font-size:1.12rem}.capture-card{padding:14px}.bottom-nav button{min-width:50px}}@media(min-width:800px){.bottom-nav{max-width:520px;left:50%;right:auto;transform:translateX(-50%);border:1px solid #eaecf0;border-bottom:0;border-radius:18px 18px 0 0}.capture-card:hover,.mode-card:hover,.hero-card:hover,.subject-btn:hover{transform:translateY(-1px)}}
.unit-group{margin:12px 0 18px}.unit-group h4{margin:0 0 8px;color:#475467}.unit-item em{display:inline-block;margin-top:5px;font-size:.75rem;font-style:normal;color:#667085;background:#f2f4f7;border-radius:999px;padding:2px 7px}.subject-btn span{font-size:1.35rem;display:block}.quiz-topbar{display:flex;align-items:center;gap:12px;margin-bottom:14px}.question-card,.result-card{background:#fff;border-radius:22px;padding:clamp(18px,4vw,30px);box-shadow:0 8px 24px #1018280d}.question-label{font-size:.8rem;font-weight:800;color:#667085;margin:0}.question-card h2{font-size:clamp(1.25rem,4vw,1.8rem);margin:8px 0 20px}.answer-list{display:grid;gap:10px}.answer-btn{width:100%;border:1px solid #d0d5dd;background:#fff;border-radius:16px;padding:16px;text-align:left;font:inherit;font-weight:700;cursor:pointer;min-height:56px}.answer-btn.correct{border-color:#079455;background:#ecfdf3}.answer-btn.wrong{border-color:#d92d20;background:#fef3f2}.answer-btn:disabled{color:#344054;cursor:default}.dont-know{width:100%;margin:12px 0;border:0;background:#f2f4f7;border-radius:14px;padding:13px;font:inherit;font-weight:700;color:#475467;cursor:pointer}.feedback{margin:14px 0;padding:14px;border-radius:14px}.feedback.ok{background:#ecfdf3}.feedback.ng{background:#fff4ed}.feedback p{margin:5px 0}.result-card{text-align:center;max-width:520px;margin:40px auto}.result-icon{font-size:3rem}.result-card h2{font-size:2.5rem;margin:8px 0}.result-rate{font-size:1.25rem;font-weight:800}.wide{width:100%;margin-top:8px}.data-version{text-align:center;color:#98a2b3;font-size:.72rem;margin-top:24px}@media(max-width:620px){.question-card{border-radius:18px}.answer-btn{min-height:60px}.result-card{margin:20px auto}}
progress{width:100%;height:12px;margin:10px 0}.import-question-editor{display:grid;gap:12px;margin:12px 0}.import-question-card{border:1px solid #e4e7ec;border-radius:16px;padding:14px;background:#fcfcfd}.import-question-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:8px}.remove-question{border:0;background:#fff0f0;color:#b42318;border-radius:10px;padding:8px 10px;font-weight:700;cursor:pointer}.choice-editor{display:grid;gap:8px;margin:8px 0}.choice-editor label{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:6px}.choice-editor input[type=radio]{width:20px;height:20px}.choice-editor input[type=text]{margin:0}.wide{width:100%;margin-top:10px}
.drop-zone{margin-top:12px;border:2px dashed #c7cdd6;border-radius:16px;padding:22px 16px;text-align:center;background:#f9fafb;cursor:pointer;transition:.15s ease}.drop-zone strong,.drop-zone small{display:block}.drop-zone small{margin-top:4px;color:#667085}.drop-icon{font-size:1.8rem;display:block;margin-bottom:6px}.drop-zone.dragover{border-color:#475467;background:#eef2ff;transform:scale(1.005)}.file-summary{font-weight:700;margin-bottom:10px}.page-preview-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.page-preview-card{border:1px solid #eaecf0;border-radius:14px;padding:8px;background:#fff}.page-preview-card img{width:100%;height:220px;object-fit:contain;background:#f2f4f7;border-radius:10px;display:block}.page-preview-card small{display:block;margin-top:6px;color:#667085;text-align:center}.preview-actions{margin-top:12px}@media(max-width:620px){.page-preview-list{grid-template-columns:1fr}.page-preview-card img{height:auto;max-height:420px}.drop-zone{padding:18px 12px}}

.answer-input,.answer-textarea{width:100%;border:1px solid #d0d5dd;border-radius:14px;padding:14px;font:inherit;margin-bottom:10px}.self-check-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:12px}.manage-question-list{display:grid;gap:10px}.manage-question-card{background:#fff;border:1px solid #eaecf0;border-radius:16px;padding:14px;display:grid;gap:8px}.manage-question-card small{color:#667085}.manage-question-meta{display:flex;justify-content:space-between;gap:8px;color:#667085;font-size:.85rem}.type-badge{background:#f2f4f7;border-radius:999px;padding:3px 8px}.manage-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.danger{border:1px solid #fda29b;background:#fff;color:#b42318;border-radius:16px;padding:12px;font:inherit;font-weight:800;cursor:pointer}.manage-choice{display:grid;grid-template-columns:28px 1fr;align-items:center;gap:6px;margin:6px 0}.manage-choice input[type=radio]{width:20px;height:20px}

.runtime-check-card{margin-top:12px}.runtime-check-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.runtime-check-head h3{margin:0}.environment-check{display:grid;gap:8px;margin-top:12px}.env-row{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:12px;background:#f5f7fa}.env-row>span{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:800}.env-row.ok>span{background:#e6f6ec}.env-row.ng>span{background:#fdeaea}.env-row div{display:grid;gap:2px}.env-row small{color:#667085}.notice.warning{border:1px solid #f3b7b7;background:#fff1f1;color:#7a1d1d}

.exam-plan-list{display:grid;gap:12px;margin-bottom:14px}.empty-card,.exam-plan-card{background:#fff;border-radius:20px;padding:18px;box-shadow:0 8px 24px #1018280d}.empty-card{text-align:center;color:#667085;padding:30px 18px}.empty-card strong{color:#344054;font-size:1.05rem}.exam-plan-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}.exam-plan-top h3{margin:3px 0 0}.exam-countdown{border-radius:999px;padding:7px 10px;background:#eef2ff;font-weight:800;white-space:nowrap}.exam-countdown.past{background:#f2f4f7;color:#667085}.progress-track{height:9px;border-radius:999px;background:#eaecf0;overflow:hidden;margin-top:12px}.progress-track span{display:block;height:100%;background:#475467;border-radius:inherit}.exam-progress{font-size:.85rem;color:#667085;margin:6px 0 12px}.exam-card-actions{display:grid;grid-template-columns:2fr 1fr 1fr;gap:8px}.exam-card-actions .primary{min-width:0}.exam-range-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.exam-range-head h3{margin:0}.exam-range-choices{display:grid;gap:10px}.exam-subject-group{border:1px solid #e4e7ec;border-radius:14px;background:#fff;overflow:hidden}.exam-subject-group summary{cursor:pointer;padding:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;list-style:none}.exam-subject-group summary::-webkit-details-marker{display:none}.exam-subject-group summary em{font-style:normal;color:#667085;font-size:.85rem}.exam-unit-grid{display:grid;gap:7px;padding:0 12px 12px}.exam-card-actions button:disabled{opacity:.45;cursor:not-allowed}@media(max-width:620px){.exam-card-actions{grid-template-columns:1fr 1fr}.exam-card-actions .exam-study{grid-column:1/-1}.exam-plan-top{align-items:center}.exam-range-head{align-items:flex-start;flex-direction:column}.exam-range-head .secondary{width:100%}}
.ai-explain-box{margin-top:14px;padding-top:12px;border-top:1px solid #e4e7ec}.ai-explain-btn{width:100%}.ai-privacy-note{margin:7px 0 0;font-size:.78rem;line-height:1.5;color:#667085}.ai-explain-result{margin-top:10px;padding:12px 14px;border-radius:12px;background:#f8fafc;line-height:1.7;white-space:pre-wrap;color:#344054}

.ai-explain-result{white-space:normal}.ai-explain-result p{margin:0 0 10px}.ai-explain-result p:last-child{margin-bottom:0}.ai-section-title{margin:14px 0 6px;font-size:.98rem;color:#1d2939}.ai-section-title:first-child{margin-top:0}.ai-bullet-list{margin:4px 0 12px;padding-left:1.35rem}.ai-bullet-list li{margin:4px 0}
.daily-plan-card{margin:14px 0 18px;background:#fff;border-radius:20px;padding:18px;box-shadow:0 8px 24px #1018280d}.daily-plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.daily-plan-head h2{margin:3px 0 0;font-size:1.18rem}.daily-plan-badge{border-radius:999px;padding:7px 10px;background:#eef2ff;font-weight:800;white-space:nowrap}.daily-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}.daily-stat{background:#f8fafc;border:1px solid #eaecf0;border-radius:12px;padding:10px;text-align:center}.daily-stat strong{display:block;font-size:1.15rem}.daily-stat small{color:#667085}.daily-subject-mix{display:flex;flex-wrap:wrap;gap:7px;margin:10px 0}.daily-subject-pill{display:inline-flex;align-items:center;gap:5px;background:#f2f4f7;border-radius:999px;padding:6px 9px;font-size:.82rem;font-weight:700;color:#344054}@media(max-width:620px){.daily-plan-card{padding:15px}.daily-stat-grid{gap:6px}.daily-stat{padding:9px 5px}.daily-stat strong{font-size:1.05rem}.daily-plan-head h2{font-size:1.05rem}}

.install-card{margin:14px 0 18px;background:#fff;border:1px solid #e4e7ec;border-radius:20px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;box-shadow:0 8px 24px #1018280d}.install-card h2{margin:3px 0 4px;font-size:1.08rem}.install-card .help{margin:0}.install-modal-shell{width:min(520px,calc(100% - 24px));max-height:calc(100vh - 32px);overflow:auto;background:#fff;border-radius:22px;padding:18px}.install-instructions{line-height:1.75;color:#344054}.install-instructions ol{padding-left:1.4rem}.install-instructions li{margin:8px 0}@media(max-width:620px){.install-card{grid-template-columns:1fr}.install-card .primary{width:100%}}

/* v0.14 学習記録ダッシュボード */
.stats-summary-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.stats-summary-card{background:#fff;border-radius:16px;padding:14px;text-align:center;box-shadow:0 8px 24px #1018280d}.stats-summary-card small{display:block;color:#667085;font-weight:700}.stats-summary-card strong{font-size:1.65rem;line-height:1.25;margin-top:5px;display:inline-block}.stats-summary-card span{font-size:.78rem;color:#667085;margin-left:2px}.stats-section-head{display:flex;justify-content:space-between;align-items:center;gap:10px}.stats-section-head h3{margin:0}.stats-muted{color:#667085;font-size:.85rem}.weekly-study-chart{height:170px;display:grid;grid-template-columns:repeat(7,1fr);gap:8px;align-items:end;margin-top:14px}.week-bar-item{height:100%;display:grid;grid-template-rows:22px 1fr 22px;gap:4px;text-align:center;min-width:0}.week-count{font-size:.72rem;color:#667085}.week-bar-track{height:100%;min-height:90px;background:#f2f4f7;border-radius:10px;display:flex;align-items:flex-end;overflow:hidden;padding:0 5px}.week-bar-track span{display:block;width:100%;min-height:2px;background:#475467;border-radius:7px 7px 3px 3px}.week-bar-item small{color:#667085;font-weight:700}.subject-stats-list,.weak-unit-list,.recent-history-list{display:grid;gap:10px}.subject-stat-row{padding:11px 0;border-bottom:1px solid #eaecf0}.subject-stat-row:last-child{border-bottom:0}.subject-stat-head{display:flex;justify-content:space-between;gap:10px;align-items:center}.subject-stat-head span{color:#667085;font-size:.84rem;white-space:nowrap}.weak-unit-row,.history-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid #eaecf0;background:#fcfcfd;border-radius:12px}.weak-unit-row div,.history-row div{display:grid;gap:3px}.weak-unit-row small,.history-row small{color:#667085}.weak-unit-row>span,.history-row>span{font-weight:800;white-space:nowrap}.stats-note{margin-top:12px}@media(max-width:620px){.stats-summary-grid{grid-template-columns:1fr 1fr;gap:8px}.stats-summary-card{padding:12px 8px}.stats-summary-card strong{font-size:1.4rem}.weekly-study-chart{gap:5px;height:150px}.week-bar-track{padding:0 3px}.subject-stat-head{align-items:flex-start}.weak-unit-row,.history-row{align-items:flex-start}.history-row>span{font-size:.85rem}}

/* v0.15 backup / transfer */
.capture-card.compact{max-width:460px;margin-top:12px}
.backup-preview{margin-top:16px;padding:16px;border:1px solid #d0d5dd;border-radius:14px;background:#f9fafb}
.backup-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 16px;margin:12px 0 0}
.backup-summary div{padding:10px;border-radius:10px;background:#fff}
.backup-summary dt{font-size:.78rem;color:#667085}.backup-summary dd{margin:4px 0 0;font-weight:700}
.backup-actions{display:grid;gap:10px;margin-top:14px}
.warning-card{border-color:#f3c678;background:#fffaf0}
@media(max-width:520px){.backup-summary{grid-template-columns:1fr}}

/* v0.15.1 backup picker layout */
.backup-file-label{display:flex;align-items:center;gap:12px;width:100%;margin-top:12px;padding:14px 16px;border:1px solid #d0d5dd;border-radius:14px;background:#fff;cursor:pointer;min-height:64px}
.backup-file-label:hover{background:#f9fafb}
.backup-file-icon{font-size:1.6rem;line-height:1;flex:0 0 auto}
.backup-file-copy{min-width:0;display:block}
.backup-file-copy strong{display:block}
.backup-file-copy small{display:block;margin-top:2px;color:#667085;overflow-wrap:anywhere}
@media(max-width:620px){.backup-file-label{padding:13px 14px}}


/* v0.17 国語教科書選択 */
.textbook-card{border:1px solid #dbe3f0;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%)}
.textbook-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.textbook-head h3{margin-bottom:4px}.textbook-head .help{margin:0}
.textbook-badge{flex:0 0 auto;border-radius:999px;background:#eef2ff;color:#344054;padding:5px 9px;font-size:.75rem;font-weight:800}
.textbook-suggestion{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:10px 0;padding:11px 12px;border-radius:12px;background:#eef7ff;border:1px solid #cfe2f5}.textbook-suggestion span{font-size:.78rem;color:#667085;text-align:right}
.textbook-municipalities{margin:2px 0 6px}
@media(max-width:620px){.textbook-suggestion{align-items:flex-start;flex-direction:column}.textbook-suggestion span{text-align:left}}

.unit-group{border:1px solid #eaecf0;border-radius:14px;padding:10px;background:#fff}.unit-group-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:2px 2px 8px}.unit-group-head h4{margin:0}.unit-bulk-btn{border:1px solid #d0d5dd;background:#f8fafc;color:#344054;border-radius:999px;padding:7px 11px;font:inherit;font-size:.78rem;font-weight:800;cursor:pointer;white-space:nowrap}.unit-bulk-btn:hover{background:#eef2f6}.exam-field-group{display:grid;gap:7px;padding:8px 0;border-bottom:1px solid #eaecf0}.exam-field-group:last-child{border-bottom:0}.textbook-card:not([hidden]){display:block}.textbook-card[hidden]{display:none!important}@media(max-width:620px){.unit-group-head{align-items:flex-start}.unit-bulk-btn{font-size:.75rem;padding:7px 9px}}

/* v0.18 全9教科の教科書設定 */
.textbook-inline-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.textbook-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 10px;border:1px solid #dbe3f0;border-radius:999px;background:#fff}
.textbook-chip small{color:#667085;font-size:.72rem}.textbook-chip strong{font-size:.82rem;color:#1d2939}
.all-textbook-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
.textbook-subject-card{border:1px solid #e4e7ec;border-radius:16px;background:#fff;padding:14px;box-shadow:0 1px 2px rgba(16,24,40,.04)}
.textbook-subject-card h3{display:flex;align-items:center;gap:8px;margin:0 0 10px;font-size:1rem}
.textbook-part{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:7px 0;border-top:1px solid #f0f2f5}
.textbook-part:first-of-type{border-top:0}.textbook-part span{font-size:.82rem;color:#667085}.textbook-part strong{font-size:.86rem;text-align:right}
@media(max-width:680px){.all-textbook-grid{grid-template-columns:1fr}.textbook-part{align-items:flex-start}.textbook-inline-list{gap:6px}.textbook-chip{border-radius:12px;flex:1 1 46%;justify-content:space-between}}


/* v0.19 教科書の手動上書き・教科書別登録 */
.textbook-setting-toolbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:10px 0}
.textbook-setting-toolbar .summary{margin:0}
.textbook-setting-toolbar .secondary{width:auto;white-space:nowrap}
.textbook-part-edit>div{min-width:180px;text-align:right}
.textbook-part-edit select{margin:0;min-height:40px;padding:8px 10px;font-size:.84rem}
.manual-note{display:block;color:#b54708;font-size:.72rem;font-weight:700;margin-top:3px}
.textbook-chip.manual{border-color:#f2c94c;background:#fffaf0}
@media(max-width:680px){.textbook-setting-toolbar{align-items:stretch;flex-direction:column}.textbook-setting-toolbar .secondary{width:100%}.textbook-part-edit{display:grid;grid-template-columns:1fr;gap:5px}.textbook-part-edit>div{min-width:0;text-align:left}}