:root{color-scheme:light;--color-bg: #faf7f1;--color-surface: #ffffff;--color-text: #22201d;--color-muted: #6b6560;--color-border: #e4e0da;--color-navy: #011840;--color-brand-orange: #fc4e2c;--color-primary: #cf4024;--color-primary-dark: #b0361f;--color-danger: #b01e3a;--color-accent: #c9962a;--color-accent-dark: #a87a1d;--radius: 10px;--radius-lg: 16px;--shadow-card: 0 1px 2px rgba(1, 24, 64, .06), 0 6px 16px rgba(1, 24, 64, .05);font-family:Hiragino Sans,Yu Gothic,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;background:var(--color-bg);color:var(--color-text);-webkit-font-smoothing:antialiased}a{color:var(--color-primary)}button{font:inherit}.app-shell{max-width:640px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--color-border);background:var(--color-surface);position:sticky;top:0;z-index:10}.app-header-home{display:block;flex-shrink:0;line-height:0}.app-header-nav{display:flex;align-items:center;gap:14px;min-width:0}.app-nav-link{color:var(--color-navy);text-decoration:none;font-size:.9rem;font-weight:600;white-space:nowrap}.app-nav-link:hover{text-decoration:underline}.account-menu-wrap{position:relative;min-width:0}.account-menu-trigger{display:flex;align-items:center;gap:4px;max-width:140px;padding:6px 8px;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-navy);font-size:.9rem;font-weight:600;cursor:pointer;position:relative;touch-action:manipulation}.account-menu-trigger:after{content:"";position:absolute;inset:-9px -4px}.account-menu-trigger:hover{background:var(--color-bg)}.account-menu-name{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.app-main{flex:1;padding:20px 18px 36px}.back-link{display:inline-block;margin-bottom:12px;font-size:.9rem;text-decoration:none}.page-title{font-size:1.3rem;font-weight:700;color:var(--color-navy);margin:0 0 16px}.field{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}.field label{font-size:.85rem;color:var(--color-muted)}.field input,.field select,.field textarea{padding:10px 12px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface);font-size:1rem;color:var(--color-text)}.field textarea{resize:vertical;min-height:72px}.field-error{color:var(--color-danger);font-size:.8rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;border-radius:999px;border:1px solid transparent;background:var(--color-primary);color:#fff;cursor:pointer;font-weight:600}.btn:hover{background:var(--color-primary-dark)}.btn:disabled{opacity:.5;cursor:default}.btn-secondary{background:var(--color-surface);color:var(--color-navy);border-color:var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:var(--color-danger)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:var(--color-accent-dark)}.btn-block{width:100%}.btn-row{display:flex;gap:10px;flex-wrap:wrap}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:18px 20px;box-shadow:var(--shadow-card);position:relative}.card-menu-trigger{position:absolute;right:8px;bottom:8px;padding:2px 8px;font-size:1.1rem;line-height:1;touch-action:manipulation}.card-menu-trigger:after{content:"";position:absolute;inset:-11px}.action-menu{position:absolute;right:8px;bottom:40px;z-index:20;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 4px 12px #0118401f;display:flex;flex-direction:column;min-width:120px;overflow:hidden}.action-menu--below{top:calc(100% + 6px);bottom:auto;right:0}.action-menu button,.action-menu a{display:block;width:100%;text-align:left;padding:10px 14px;background:none;border:none;font-size:.9rem;color:inherit;text-decoration:none;cursor:pointer}.action-menu button:hover,.action-menu button:focus-visible,.action-menu a:hover,.action-menu a:focus-visible{background:var(--color-bg)}.action-menu button:disabled{color:var(--color-muted);cursor:default}.action-menu .action-menu-danger{color:var(--color-danger)}.card-list{display:flex;flex-direction:column;gap:12px}.card-link{display:block;text-decoration:none;color:inherit}.card-title{font-weight:700;color:var(--color-navy);margin:0 0 4px}.card-sub{color:var(--color-muted);font-size:.85rem;margin:0}.empty-state{color:var(--color-muted);padding:32px 0;text-align:center}.guide-steps{display:flex;flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;counter-reset:guide-step}.guide-step{display:flex;gap:12px}.guide-step:before{counter-increment:guide-step;content:counter(guide-step);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:.85rem;font-weight:700}.guide-step h3{margin:0 0 4px;font-size:.95rem;color:var(--color-navy)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:28px 0 12px}.section-heading h2{font-size:1rem;font-weight:700;color:var(--color-navy);margin:0}.section-heading-text{min-width:0}.section-heading-sub{margin:2px 0 0;font-size:.8rem;font-weight:400;color:var(--color-muted)}.section-heading-action{flex-shrink:0;white-space:nowrap}.tag{display:inline-block;font-size:.75rem;padding:2px 8px;border-radius:999px;background:var(--color-bg);border:1px solid var(--color-border);color:var(--color-muted)}.tag--cloud{background:#fc4e2c1f;border-color:var(--color-primary);color:var(--color-primary-dark)}.tag--custom{background:#01184014;border-color:#0118403d;color:var(--color-navy)}.card-sub .tag{margin-left:6px}.error-banner{background:#f9edef;color:var(--color-danger);border:1px solid #e7bcc4;border-radius:var(--radius);padding:10px 12px;margin-bottom:14px;font-size:.9rem}.setlist-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:14px 16px}@media(max-width:480px){.setlist-item{padding:12px 14px}.card-list{gap:10px}}.setlist-item-head{display:flex;align-items:center;gap:10px;position:relative}.setlist-item-main{flex:1;min-width:0}.setlist-item-spacer{flex:1}.setlist-item-fields{display:flex;flex-direction:column;gap:8px;margin-top:10px}.setlist-item-fields .field{margin:0;display:grid;grid-template-columns:3.2em 1fr;align-items:center;gap:10px}.setlist-item-fields .field label{font-size:.8rem}.setlist-item-fields .field input{padding:8px 10px}.setlist-item-fields .duration-input{margin-top:0}.setlist-item .drag-handle{cursor:grab;color:var(--color-muted);touch-action:none;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;padding:4px;flex-shrink:0}.item-menu-trigger{position:relative;flex-shrink:0;padding:2px 8px;font-size:1.1rem;line-height:1;touch-action:manipulation}.item-menu-trigger:after{content:"";position:absolute;inset:-11px}.item-inline-action{margin-top:8px;padding:0;border:none;background:none;color:var(--color-primary);font-size:.85rem;font-weight:600;cursor:pointer}.item-inline-action:hover{text-decoration:underline}.song-summary{font-size:1.05rem;margin:4px 0 12px}.note-block{margin-bottom:12px}.note-block h3{font-size:.9rem;color:var(--color-muted);margin:0 0 4px}.note-block p{margin:0;white-space:pre-wrap}.live-mode{position:fixed;inset:0;background:#17140f;color:#fdf8ef;display:flex;flex-direction:column;padding:20px;padding-bottom:calc(20px + env(safe-area-inset-bottom,0px));z-index:100}.live-mode .live-top{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:.9rem;color:#c9beac}.live-mode .live-close{flex:none;display:inline-flex;align-items:center;min-height:44px;background:none;border:none;color:#8d8272;font-size:.9rem;padding:8px 12px;cursor:pointer;touch-action:manipulation}.live-confirm{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:20px;background:#0a0805d1}.live-confirm-box{width:100%;max-width:360px;background:#241f17;border:1px solid #3a342a;border-radius:var(--radius);padding:24px 20px}.live-confirm-text{margin:0 0 20px;font-size:1.1rem;color:#fdf8ef;text-align:center}.live-confirm-actions{display:flex;gap:12px}.live-confirm-actions button{flex:1;min-height:56px;border-radius:var(--radius);font-size:1.05rem;font-weight:700;cursor:pointer;touch-action:manipulation}.live-confirm-cancel{border:1px solid #3a342a;background:#2f2919;color:#fdf8ef}.live-confirm-exit{border:1px solid #7a2f26;background:#3a1d18;color:#ff9b8f}.live-mode .live-timer{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;margin-top:10px;padding:8px 12px;border-radius:var(--radius);border:1px solid #3a342a;background:#241f17}.live-mode .live-timer-status{font-size:.95rem;color:#e8dcc4}.live-mode .live-timer--over .live-timer-status{color:#ff6b5c;font-weight:700}.live-mode .live-timer-controls{display:flex;gap:8px}.live-mode .live-timer-controls button{min-height:44px;touch-action:manipulation;padding:6px 12px;border-radius:var(--radius);border:1px solid #3a342a;background:#2f2919;color:#fdf8ef;font-size:.85rem}.live-mode .live-title{font-size:clamp(1.8rem,8vw,3rem);font-weight:800;margin:12px 0;line-height:1.2}.live-mode .live-meta{display:flex;align-items:baseline;gap:20px;flex-wrap:wrap;font-size:clamp(1rem,4vw,1.4rem);color:#e8dcc4;margin-bottom:16px}.live-mode .live-bpm{display:flex;align-items:baseline;gap:8px}.live-mode .live-bpm-label,.live-mode .live-key-label{font-size:.8rem;font-weight:700;letter-spacing:.08em;color:#8d8272}.live-mode .live-bpm strong{font-size:clamp(1.7rem,7vw,2.5rem);font-weight:800;line-height:1;font-variant-numeric:tabular-nums;color:#ffd479}.live-mode .live-key{display:flex;align-items:baseline;gap:8px}.live-mode .live-notes{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:12px}.live-mode .live-note-block h3{font-size:.9rem;color:#c9beac;margin:0 0 4px}.live-mode .live-note-block p{font-size:1.15rem;margin:0;white-space:pre-wrap}.live-mode .live-next{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;border-top:1px solid #3a342a;padding-top:10px;margin-top:auto;color:#c9beac}.live-mode .live-next-label{font-size:.75rem;font-weight:700;letter-spacing:.08em;color:#8d8272}.live-mode .live-next-title{font-size:1.15rem;color:#e8dfd0}.live-mode .live-next-bpm{font-size:1rem;font-variant-numeric:tabular-nums;color:#c9beac}.live-mode .live-controls{display:flex;justify-content:space-between;gap:12px;margin-top:16px}.live-mode .live-controls button{min-height:64px;padding:16px;border-radius:var(--radius);border:1px solid #3a342a;background:#241f17;color:#fdf8ef;font-size:1.15rem;font-weight:700}.live-mode .live-prev-button{flex:1}.live-mode .live-next-button{flex:2}.live-mode .live-controls button:disabled{opacity:.4}.live-mode .live-metronome{display:flex;align-items:center;gap:10px;margin-bottom:16px}.live-mode .live-metronome-dot{width:18px;height:18px;border-radius:50%;background:#3a342a;flex-shrink:0;transition:background-color .05s ease-out,transform .05s ease-out}.live-mode .live-metronome-dot.is-pulsing{background:#e8dcc4;transform:scale(1.35)}.live-mode .live-metronome button{min-height:44px;touch-action:manipulation;padding:8px 14px;border-radius:var(--radius);border:1px solid #3a342a;background:#241f17;color:#fdf8ef;font-size:.9rem}.live-mode .live-metronome button:disabled{opacity:.4}.landing{max-width:1040px;margin:0 auto;padding:0 20px 40px}.landing-hero{text-align:center;padding:40px 0 36px}.landing-logo{display:block;width:min(320px,80%);height:auto;margin:0 auto 16px}.landing-tagline-heading{font-size:clamp(1.05rem,3.2vw,1.3rem);font-weight:500;color:var(--color-muted);line-height:1.6;margin:0 0 28px}.landing-tagline-sub{display:block;margin-top:10px;font-size:.85em;font-weight:600;letter-spacing:.08em;color:var(--color-primary)}.landing-hero-actions{display:flex;flex-direction:column;align-items:center;gap:14px}.btn-lg{padding:14px 32px;font-size:1.05rem;width:100%;max-width:320px}.landing-secondary-link{font-size:.9rem;color:var(--color-muted);text-decoration:underline}.landing-section{margin:44px 0;scroll-margin-top:20px}.landing-section-title{text-align:center;font-size:1.25rem;font-weight:700;color:var(--color-navy);margin:0 0 20px}.landing-feature-grid{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:720px){.landing-feature-grid{grid-template-columns:repeat(3,1fr)}}.landing-feature-card{text-align:left}.landing-feature-icon{font-size:1.6rem;margin-bottom:8px}.landing-feature-card h3{margin:0 0 6px;font-size:1.05rem;color:var(--color-navy)}.landing-flow{display:flex;flex-direction:column;align-items:stretch;gap:4px}@media(min-width:900px){.landing-flow{display:grid;grid-template-columns:repeat(4,1fr auto) 1fr;align-items:stretch;gap:6px}}.landing-flow-step{display:flex;align-items:center;gap:10px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:12px 16px;white-space:nowrap}@media(min-width:900px){.landing-flow-step{white-space:normal;justify-content:center;padding:12px 10px;gap:8px;font-size:.95rem}}.landing-flow-index{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;flex-shrink:0;border-radius:50%;background:var(--color-primary);color:#fff;font-size:.85rem;font-weight:700}.landing-flow-arrow{display:flex;align-items:center;justify-content:center;color:var(--color-muted);font-size:1.2rem;padding:2px 0;transform:rotate(90deg)}@media(min-width:900px){.landing-flow-arrow{padding:0;transform:none}}.landing-closing p{max-width:640px;margin:0 auto 12px;color:var(--color-muted);font-size:.9rem;line-height:1.9;text-align:center}.landing-closing p:last-child{margin-bottom:0}.app-footer{text-align:center;color:var(--color-muted);font-size:.8rem;padding-top:24px;margin-top:24px;border-top:1px solid var(--color-border)}.app-footer p{margin:0}.app-footer>p:first-child{color:var(--color-navy);font-weight:600}.app-footer-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px;margin:16px 0 14px}.app-footer-links a{display:block;padding:6px 4px;color:var(--color-muted);text-decoration:none}.app-footer-links a:hover{text-decoration:underline}@media(max-width:480px){.app-footer-links{display:grid;grid-template-columns:1fr 1fr;gap:2px 8px}.app-footer-links a{padding:10px 4px}}.info-list{margin:0}.info-list-row+.info-list-row{margin-top:16px;padding-top:16px;border-top:1px solid var(--color-border)}.info-list dt{font-size:.8rem;font-weight:600;color:var(--color-navy);margin-bottom:4px}.info-list dd{margin:0;color:var(--color-muted);font-size:.9rem;line-height:1.8}.legal-body{color:var(--color-muted);font-size:.9rem;line-height:1.9}.legal-intro{margin:0 0 24px}.legal-sections{counter-reset:legal-section;list-style:none;margin:0;padding:0}.legal-section+.legal-section{margin-top:28px}.legal-section h2{counter-increment:legal-section;font-size:.95rem;color:var(--color-navy);margin:0 0 8px}.legal-section h2:before{content:"第" counter(legal-section) "条　"}.legal-section p{margin:0 0 12px}.legal-section ul{margin:0 0 12px;padding-left:1.2em}.legal-section li+li{margin-top:6px}.legal-dates{margin:32px 0 0;padding-top:16px;border-top:1px solid var(--color-border);font-size:.8rem}.chordpro{line-height:1.4}.chordpro-line{display:flex;flex-wrap:wrap;min-height:1.4em}.chordpro-segment{display:inline-flex;flex-direction:column}.chordpro-chord{font-weight:700;font-size:.85em;color:var(--color-primary);min-height:1.2em;white-space:pre}.chordpro-lyric{white-space:pre-wrap}.live-mode .chordpro-chord{color:#f0b64a}.app-header-logo{height:44px;width:auto;display:block}.auth-page-logo{display:block;width:min(200px,60%);height:auto;margin:0 0 16px}.duration-input{display:flex;align-items:center;gap:4px;margin-top:4px}.duration-input input{width:56px;padding:6px 8px;border-radius:var(--radius);border:1px solid var(--color-border);background:var(--color-surface)}.duration-input input:last-of-type{width:48px}.duration-summary{font-size:.9rem;padding:8px 12px;border-radius:var(--radius);background:var(--color-surface);border:1px solid var(--color-border);margin:8px 0}.duration-summary--over{border-color:var(--color-danger);color:var(--color-danger)}.modal-backdrop{position:fixed;inset:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:100}@media(min-width:640px){.modal-backdrop{align-items:center}}.modal{background:var(--color-surface);border-radius:var(--radius-lg) var(--radius-lg) 0 0;width:100%;max-width:480px;max-height:80vh;display:flex;flex-direction:column;padding:16px}@media(min-width:640px){.modal{border-radius:var(--radius-lg);max-height:70vh}}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.modal-song-list{overflow-y:auto;flex:1;min-height:0}.modal-song-row{display:flex;align-items:center;justify-content:space-between}