:root{--sam-primary:#818cf8;--sam-primary-light:#eef2ff;--sam-accent:#f59e0b;--sam-bg:linear-gradient(135deg,#f8fafc 0%,#e2e8f0 100%);--sam-card-bg:rgba(255,255,255,.85);--sam-text:#1e293b;--sam-text-light:#64748b;--radius-xl:32px;--sam-shadow:0 25px 50px -12px rgba(0,0,0,.1)}
*{box-sizing:border-box}body{margin:0;background:var(--sam-bg);font-family:'Plus Jakarta Sans','Noto Sans JP',sans-serif;color:var(--sam-text);min-height:100vh}button,input,select,textarea{font:inherit}.page{max-width:1100px;margin:0 auto;padding:24px 20px 60px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.back-link{color:var(--sam-primary);font-weight:900;text-decoration:none}.brand{font-size:26px;font-weight:900}.brand span{color:var(--sam-primary)}.note{padding:12px 16px;border-radius:15px;background:rgba(255,255,255,.7);font-size:12px;font-weight:800;color:var(--sam-text-light);margin-bottom:18px}.media-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:18px}.media-tab,.tab-btn{background:#fff;padding:16px;border-radius:20px;text-align:center;cursor:pointer;font-weight:800;color:var(--sam-text-light);border:1px solid #e2e8f0}.media-tab.active,.tab-btn.active{background:var(--sam-primary);color:#fff;border-color:var(--sam-primary);box-shadow:0 10px 15px -3px rgba(99,102,241,.3)}.sam-card{background:var(--sam-card-bg);border-radius:var(--radius-xl);padding:24px;box-shadow:var(--sam-shadow);border:1px solid rgba(255,255,255,.65);backdrop-filter:blur(20px);margin-bottom:18px}.preview-card{padding:18px}.aspect-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.btn-aspect{border:1px solid #cbd5e1;background:#fff;color:var(--sam-text-light);border-radius:15px;padding:10px 14px;font-size:12px;font-weight:900;cursor:pointer}.btn-aspect.active{background:var(--sam-primary-light);border-color:var(--sam-primary);color:#4f46e5}.canvas-wrapper{width:min(100%,760px);margin:auto;background:#05070e;border-radius:18px;overflow:hidden;position:relative}.canvas-wrapper canvas{display:block;width:100%;height:auto}.canvas-wrapper.ratio-9-16{max-width:390px}.canvas-wrapper.ratio-4-5{max-width:560px}.canvas-wrapper.ratio-1-1{max-width:620px}.canvas-wrapper video{display:none}.player-controls{display:flex;align-items:center;gap:12px;margin-top:12px}.player-controls button,.btn-icon{border:0;border-radius:12px;background:var(--sam-primary);color:#fff;padding:9px 14px;font-weight:900;cursor:pointer}.seekbar-container{flex:1}.seekbar-container input{width:100%;accent-color:var(--sam-primary)}.time{font-size:12px;font-weight:800;color:var(--sam-text-light)}.tab-content{display:none}.tab-content.active{display:block}.section-title{font-size:18px;font-weight:900;margin:0 0 6px}.desc{font-size:12px;color:var(--sam-text-light);font-weight:700;line-height:1.65;margin:0 0 16px}.drop-zone{border:3px dashed var(--sam-primary);border-radius:25px;padding:34px;text-align:center;cursor:pointer;background:#fff}.drop-zone.dragover,.drop-zone:hover{background:var(--sam-primary-light);border-style:solid}.drop-icon{font-size:34px;display:block;margin-bottom:9px}.drop-zone p{font-weight:800}.btn-outline,.btn-secondary,.btn-ai,.btn-danger{border:1px solid #cbd5e1;background:#fff;color:var(--sam-text);border-radius:15px;padding:11px 14px;font-weight:900;cursor:pointer}.btn-ai{width:100%;margin-top:8px;text-align:left}.btn-danger{color:#b91c1c}.btn-magic{background:linear-gradient(135deg,#818cf8 0%,#6366f1 100%);color:#fff;border:0;padding:20px;border-radius:20px;font-size:19px;font-weight:900;cursor:pointer;width:100%;box-shadow:0 10px 15px -3px rgba(99,102,241,.4)}.btn-magic:disabled{opacity:.5;cursor:not-allowed}.form-input,select,textarea{width:100%;padding:14px;border-radius:15px;border:2px solid #e2e8f0;background:#f8fafc;font-size:14px;font-weight:700;color:var(--sam-text);outline:none}.form-input:focus,select:focus,textarea:focus{border-color:var(--sam-primary);background:#fff}textarea{min-height:150px;resize:vertical}.file-info{display:flex;justify-content:space-between;padding:12px 0;font-size:12px;font-weight:900}.hidden{display:none!important}.action-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.action-row>*{flex:1}.timeline-head{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:12px}.timeline-list{display:grid;gap:9px}.timeline-row{display:grid;grid-template-columns:75px 75px minmax(120px,1fr) minmax(120px,1fr) minmax(180px,1fr) 48px;gap:7px;align-items:center;padding:9px;background:#fff;border-radius:13px;border:1px solid #e2e8f0}.timeline-row input,.timeline-row select{padding:9px;font-size:12px}.btn-del-row{border:0;background:#fee2e2;color:#b91c1c;border-radius:10px;padding:9px;font-size:11px;font-weight:900;cursor:pointer}.sam-preset-panel{border:1px solid #e2e8f0;border-radius:18px;background:rgba(255,255,255,.7);overflow:hidden;margin-top:12px}.sam-preset-toggle{width:100%;padding:14px 16px;border:0;background:transparent;text-align:left;color:var(--sam-text);font-weight:900;cursor:pointer}.sam-preset-body{padding:0 16px 16px;display:grid;gap:14px}.sam-preset-panel.collapsed .sam-preset-body{display:none}.mood-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.btn-mood{border:1px solid #e2e8f0;background:#fff;border-radius:12px;padding:10px 6px;font-size:11px;font-weight:900;cursor:pointer}.mood-accent-dot{display:inline-block;margin-right:5px;font-size:10px;vertical-align:1px}.btn-mood.active{border-color:var(--sam-primary);background:var(--sam-primary-light);color:#4f46e5}.status{min-height:22px;margin-top:12px;font-size:12px;font-weight:900;color:#4f46e5}.export-area{margin-top:18px}.export-help{font-size:11px;color:#64748b;font-weight:700;margin-top:9px;text-align:center}.brand-controls{display:grid;grid-template-columns:1fr 1fr;gap:12px}.watermark-note{padding:11px 14px;margin-bottom:10px;border-radius:13px;background:#f1f5f9;border:1px solid #cbd5e1;color:#475569;font-size:12px;font-weight:800;line-height:1.65;text-align:center}.watermark-note b{color:#334155}.export-warning{padding:14px 16px;margin-bottom:10px;border-radius:14px;background:#fef3c7;border:2px solid #f59e0b;color:#92400e;font-size:13px;font-weight:900;text-align:center}.export-progress{margin-top:12px;padding:14px 16px;border-radius:14px;background:#eef2ff;color:#4338ca;font-size:13px;font-weight:900}.export-progress progress{display:block;width:100%;height:12px;margin-bottom:8px;accent-color:var(--sam-primary)}@media(max-width:720px){.page{padding:16px 12px 40px}.topbar{align-items:flex-start}.brand{font-size:22px}.media-tabs{gap:8px}.media-tab{padding:13px 6px;font-size:12px}.sam-card{padding:16px;border-radius:22px}.timeline-row{grid-template-columns:1fr 1fr;}.timeline-row .input-text,.timeline-row .input-subtext,.timeline-row .select-preset{grid-column:span 2}.mood-grid{grid-template-columns:repeat(2,1fr)}.brand-controls{grid-template-columns:1fr}}
:root{--sam-primary:#818cf8}
.workflow-note{margin:0 0 10px;text-align:center;color:#64748b;font-size:13px;font-weight:900}
.export-complete{display:grid;gap:10px;margin-top:12px;padding:16px;border-radius:16px;background:#ecfdf5;border:2px solid #86efac;color:#166534;font-size:14px;font-weight:900}.export-complete video{width:100%;max-height:420px;border-radius:12px;background:#020617}.export-complete .btn-secondary{text-align:center;text-decoration:none;background:#fff}
.telop-length-warning{grid-column:1 / -1;padding:9px 12px;border-radius:14px;background:#fef3c7;border:2px solid #f59e0b;color:#92400e;font-size:12px;font-weight:900;line-height:1.45}
.note{font-size:14px;color:#b91c1c;background:#fef2f2;border:2px solid #fca5a5}.desc{font-size:14px}.status{font-size:14px}.export-help{font-size:14px}.timeline-row{grid-template-columns:88px 88px minmax(120px,1fr) minmax(120px,1fr) minmax(180px,1fr) 48px}.timeline-row input,.timeline-row select{font-size:14px}.btn-aspect{font-size:13px}.time{font-size:13px}.file-info{font-size:13px}.telop-length-warning{font-size:13px}.btn-del-row{font-size:12px}.btn-mood{font-size:17px;padding:14px 8px}.mood-accent-dot{font-size:12px}.mood-grid{grid-template-columns:repeat(4,1fr)}
@media(max-width:720px){.mood-grid{grid-template-columns:repeat(2,1fr)}}

.timeline-row{grid-template-columns:88px 88px minmax(120px,1fr) minmax(120px,1fr) minmax(180px,1fr) 48px}
.screenfx-body{grid-template-columns:1fr 1fr}.screenfx-note,.voice-note{grid-column:1 / -1;margin:0}.voice-body{grid-template-columns:minmax(220px,1fr) minmax(220px,1fr)}.voice-range-help{margin:0 0 6px;color:var(--sam-text-light);font-size:12px;font-weight:800}.voice-range-list{display:grid;gap:8px;margin:8px 0 12px}.voice-range-row{display:grid;grid-template-columns:88px 88px minmax(160px,1fr) 48px;gap:7px;align-items:center;padding:8px;background:#fff;border:1px solid #e2e8f0;border-radius:12px}.voice-range-row input,.voice-range-row select{padding:9px;font-size:13px}.voice-range-empty{margin:4px 0 12px;color:var(--sam-text-light);font-size:13px;font-weight:700}.voice-disabled-note{margin:8px 0 0;padding:9px 11px;border-radius:10px;background:#f1f5f9;color:var(--sam-text-light)}.voice-global-toggle{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:900;color:var(--sam-text)}.voice-global-toggle input{width:18px;height:18px;accent-color:var(--sam-primary)}
@media(max-width:720px){.timeline-row{grid-template-columns:1fr 1fr}.timeline-row .input-text,.timeline-row .input-subtext,.timeline-row .select-preset{grid-column:span 2}.voice-range-row{grid-template-columns:1fr 1fr}.voice-range-row select,.voice-range-row .btn-del-row{grid-column:span 2}.screenfx-body,.voice-body{grid-template-columns:1fr}.screenfx-note,.voice-note{grid-column:auto}}
.bulk-input-status{min-height:22px;margin-top:8px;color:#64748b;font-size:14px;font-weight:900;line-height:1.45}
.media-reselect-note{display:block;color:#92400e;font-weight:900}
.media-source-switch{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0 0 14px}.media-source-btn{border:2px solid #cbd5e1;background:#fff;color:var(--sam-text-light);border-radius:15px;padding:13px;font-weight:900;cursor:pointer}.media-source-btn.active{background:var(--sam-primary-light);color:#4f46e5;border-color:var(--sam-primary)}.photo-picker{display:block;text-align:center;margin-bottom:12px}.photo-list{display:grid;gap:7px;margin:12px 0 16px}.photo-list-item{display:flex;align-items:center;gap:10px;padding:8px 10px;background:#fff;border:1px solid #e2e8f0;border-radius:12px;font-size:12px;font-weight:800}.photo-list-thumb{width:42px;height:42px;object-fit:cover;border-radius:8px;background:#e2e8f0}.photo-list-note{color:#64748b;font-size:12px;font-weight:800;padding:8px 0}.format-note{margin:10px 0 12px;color:#475569;font-size:12px;font-weight:800;line-height:1.7}.format-note b{color:#334155;background:#f1f5f9;border-radius:6px;padding:1px 6px;font-weight:900}.orientation-note{margin:10px 0 12px;padding:10px 12px;border:2px solid var(--sam-primary);border-radius:12px;background:var(--sam-primary-light);color:#3730a3;font-size:14px;font-weight:900;line-height:1.45;text-align:center}.photo-tip{margin:0 0 14px;padding:12px 14px;background:#fffbeb;border:2px dashed #fcd34d;border-radius:14px;color:#78350f;font-size:12.5px;font-weight:700;line-height:1.75}.photo-tip .photo-tip-head{display:block;margin-bottom:5px;font-size:13px;font-weight:900;color:#b45309}.photo-tip .photo-tip-path{display:inline-block;margin:4px 0;padding:5px 10px;background:#fff;border:1px solid #fcd34d;border-radius:9px;font-weight:900;color:#92400e}@media(max-width:520px){.media-source-switch{grid-template-columns:1fr}}

/* 「ホームに戻る」を他画面と同じ見た目にする（2026-08-07 座長指示）。
   このページはindex.htmlとCSSを共有しないため定義を複製している。
   ⚠️色を変えるときは index.html 側の .sam-home-btn も一緒に直すこと。 */
.home-return{display:flex;justify-content:center;margin:34px 0 40px}
.sam-home-btn{display:inline-flex;align-items:center;gap:7px;background:linear-gradient(135deg,#6366f1,#4f46e5);color:#fff;border:0;border-radius:999px;padding:12px 26px;font-family:inherit;font-size:14px;font-weight:900;text-decoration:none;cursor:pointer;box-shadow:0 4px 14px rgba(79,70,229,.32);transition:transform .2s,box-shadow .2s,filter .2s}
.sam-home-btn:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(79,70,229,.42);filter:brightness(1.07)}
.sam-home-btn:active{transform:translateY(0);box-shadow:0 3px 10px rgba(79,70,229,.3)}
.sam-home-btn:focus-visible{outline:3px solid #a5b4fc;outline-offset:2px}