:root{--bg: #f6f7f9;--panel: #ffffff;--panel2: #f0f2f5;--panel3: #e4e7ec;--border: #d8dce2;--border2: #b9c0c9;--text: #1b1f24;--muted: #5c6672;--accent: #2f6fe0;--accent2: #1aa5aa;--danger: #c4373c;--header-bg: rgba(255, 255, 255, .9);--input-bg: #ffffff;--thumb-bg: #eceef1;--thumb-fg: #a8b0ba;--row-hover: rgba(0, 0, 0, .03);--notice-border: #d9b26a;--notice-bg: #fdf6e6;--notice-text: #7a5a2a;--danger-text: #b3272c;--shadow: rgba(0, 0, 0, .18);--hero: linear-gradient(135deg, #eef2f8, var(--panel) 60%);--dropzone-over: #eaf1fd;--radius: 10px;color-scheme:light}[data-theme=dark]{--bg: #16181c;--panel: #1e2126;--panel2: #262a31;--panel3: #2f343c;--border: #333941;--border2: #454c56;--text: #e6e8ea;--muted: #9aa3ad;--accent: #4f8cf7;--accent2: #3fd0d4;--danger: #e5484d;--header-bg: rgba(30, 33, 38, .92);--input-bg: #14161a;--thumb-bg: #0e1013;--thumb-fg: #4a525c;--row-hover: rgba(255, 255, 255, .02);--notice-border: #7a5a2a;--notice-bg: #241f16;--notice-text: #e8c37a;--danger-text: #ff9b9d;--shadow: rgba(0, 0, 0, .4);--hero: linear-gradient(135deg, #1d2530, var(--panel) 60%);--dropzone-over: #1b2431;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Helvetica Neue,Arial,Hiragino Sans,Noto Sans JP,Meiryo,sans-serif;line-height:1.7;-webkit-text-size-adjust:100%}a{color:var(--text);text-decoration:none}a:hover{text-decoration:underline}.icon{display:inline-flex;align-items:center;justify-content:center;flex:none;vertical-align:-.15em}.icon svg{display:block}header.nav{display:flex;align-items:center;gap:14px;padding:10px 16px;border-bottom:1px solid var(--border);background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}header.nav .brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;letter-spacing:.04em;flex:none}header.nav .brand img{width:26px;height:26px;border-radius:7px}header.nav .brand:hover{text-decoration:none}header.nav nav{display:flex;gap:4px;flex:1;flex-wrap:wrap;min-width:0}header.nav nav a{display:inline-flex;align-items:center;gap:6px;flex:none;white-space:nowrap;color:var(--muted);font-size:14px;padding:5px 10px;border-radius:8px}header.nav nav a:hover{color:var(--text);background:var(--panel2);text-decoration:none}header.nav nav a.active{color:var(--text);background:var(--panel2)}header.nav .account{display:flex;align-items:center;gap:8px;flex:none}header.nav .account .who{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}@media(max-width:700px){header.nav{flex-wrap:wrap;gap:8px;padding:8px 12px}header.nav nav{order:3;flex:0 0 100%;width:100%;overflow-x:auto;flex-wrap:nowrap;scrollbar-width:none;padding-bottom:2px}header.nav nav::-webkit-scrollbar{display:none}header.nav nav a{padding:5px 8px;font-size:13px}header.nav .account{margin-left:auto}header.nav .account .who span:not(.icon){display:none}main{padding:16px 12px 48px}.panel{padding:14px}}main{max-width:1100px;margin:0 auto;padding:20px 16px 60px}h1{font-size:20px;margin:0 0 16px;display:flex;align-items:center;gap:8px}h2{font-size:15px;margin:28px 0 12px;color:var(--muted);font-weight:600}footer.site{max-width:1100px;margin:0 auto;padding:18px 16px 40px;border-top:1px solid var(--border);display:flex;gap:12px;flex-wrap:wrap}footer.site a{color:var(--muted);font-size:13px}[hidden]{display:none!important}button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--panel2);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 13px;font-size:14px;cursor:pointer;font-family:inherit;line-height:1.5;white-space:nowrap}button:hover:not(:disabled),.btn:hover{background:var(--panel3);border-color:var(--border2);text-decoration:none}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.5;cursor:default}button.primary,.btn.primary{background:linear-gradient(180deg,#5b95f8,#3f76d8);border-color:#3f76d8;color:#fff}button.primary:hover:not(:disabled){background:linear-gradient(180deg,#6ba0f9,#4a81e0)}button.danger{color:var(--danger-text)}button.danger:hover:not(:disabled){border-color:var(--danger)}button.small,.btn.small{padding:3px 9px;font-size:12px;border-radius:6px}button.ghost{background:transparent;border-color:transparent;color:var(--muted)}button.ghost:hover:not(:disabled){background:var(--panel2);color:var(--text)}input,select,textarea{background:var(--input-bg);color:var(--text);border:1px solid var(--border);border-radius:8px;padding:7px 10px;font-size:14px;font-family:inherit;width:100%}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}input[type=range]{padding:0}input[type=checkbox]{width:auto}label{display:block;font-size:13px;color:var(--muted);margin:12px 0 4px}.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:16px}.toolbar form{display:flex;gap:8px;align-items:center;flex:1 1 220px;min-width:0}.toolbar form input{flex:1 1 auto;min-width:0}.toolbar .spacer{flex:1 1 auto}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.muted{color:var(--muted);font-size:13px}.chip{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:2px 10px;background:var(--panel)}.chip:hover{color:var(--text);text-decoration:none;border-color:var(--border2)}.panel{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.panel+.panel{margin-top:14px}.panel_title{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:1px 10px;margin-bottom:10px}.notice{border-color:var(--notice-border);background:var(--notice-bg)}.sensitive_chip{color:var(--notice-text);border-color:var(--notice-border)}.bulk_check{position:absolute;top:6px;left:6px;z-index:1;display:flex;align-items:center;justify-content:center;width:26px;height:26px;margin:0;border-radius:6px;background:#0000008c}.bulk_check input{margin:0;cursor:pointer}.empty{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);padding:40px 16px;text-align:center}.empty .icon{opacity:.5}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}@media(max-width:480px){.cards{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}}.card{display:block;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .15s,transform .15s}.card:hover{border-color:var(--border2);transform:translateY(-2px);text-decoration:none}.card .thumb{width:100%;aspect-ratio:4 / 3;background:var(--thumb-bg) center/contain no-repeat;display:flex;align-items:center;justify-content:center;color:var(--thumb-fg)}.card .body{padding:8px 10px}.card .name{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.card .meta{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.table_wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px;white-space:nowrap}tbody tr:hover{background:var(--row-hover)}#mmd_frame{position:relative;width:100%;aspect-ratio:16 / 10;background:#000;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}#mmd_frame canvas{display:block;width:100%!important;height:100%!important}#mmd_frame.pseudo_fullscreen{position:fixed;inset:0;z-index:9999;width:100vw;height:100dvh;max-width:none;aspect-ratio:auto;border:none;border-radius:0}.context_notice{position:absolute;inset:auto 8px 8px;z-index:2;display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:10px 12px;font-size:13px;color:#fff;background:#000000b8;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius)}.context_notice[hidden]{display:none}@media(max-width:960px)and (orientation:landscape){.player_layout{grid-template-columns:1fr}#mmd_frame{aspect-ratio:auto;height:78dvh}}@media(max-width:560px)and (orientation:portrait){#mmd_frame{aspect-ratio:3 / 4}}.frame_fullscreen_btn{position:absolute;top:calc(8px + env(safe-area-inset-top));right:8px;z-index:2;width:40px;height:40px;padding:0;line-height:1;color:#fff;background:#00000080;border:1px solid rgba(255,255,255,.3);border-radius:50%;opacity:.75;transition:opacity .15s}.frame_fullscreen_btn:hover{opacity:1;background:#000000b3}.player_layout{display:grid;grid-template-columns:1fr 300px;gap:16px;align-items:start}@media(max-width:860px){.player_layout{grid-template-columns:1fr}}.seek{width:100%}.shortcut{font-size:11px;color:var(--muted)}kbd{background:var(--panel2);border:1px solid var(--border);border-radius:4px;padding:0 5px;font-size:11px;font-family:inherit}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px 16px;text-align:center;color:var(--muted);cursor:pointer;background:var(--panel);transition:border-color .15s,color .15s}.dropzone:hover{border-color:var(--border2)}.dropzone.over{border-color:var(--accent);color:var(--text);background:var(--dropzone-over)}.filelist{margin-top:12px;max-height:260px;overflow:auto;font-size:13px}.filelist>div{display:flex;justify-content:space-between;gap:10px;padding:2px 0}.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%) translateY(20px);background:var(--panel3);border:1px solid var(--border2);border-radius:8px;padding:10px 18px;font-size:14px;opacity:0;pointer-events:none;transition:.2s;z-index:100;max-width:90vw;box-shadow:0 8px 24px var(--shadow)}.toast_show{opacity:1;transform:translate(-50%) translateY(0)}.toast_error{border-color:var(--danger);color:var(--danger-text)}.center_form{max-width:360px;margin:48px auto}.progress{height:4px;background:var(--panel2);border-radius:2px;overflow:hidden}.progress>div{height:100%;background:var(--accent);transition:width .2s}.hero{background:var(--hero);border:1px solid var(--border);border-radius:14px;padding:22px}.hero h1{font-size:22px;margin-bottom:8px;align-items:flex-start}.hero h1 .icon{margin-top:6px}