:root{
  --bg0:#0f0820;--bg1:#1a0f2e;--bg2:#2a1a4a;
  --ink:#f4ecff;--ink-dim:#bda9e0;
  --accent:#ffd166;--accent2:#9b6bff;--accent3:#5ad7ff;
  --danger:#ff6b9b;--ok:#7fffa8;
  --card-edge:#ffd16688;
  --shadow:0 6px 24px #0008;
  --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%;background:radial-gradient(ellipse at top,#2a1a4a, #0f0820 70%);color:var(--ink);font-family:"Hiragino Sans","Yu Gothic UI","Segoe UI",system-ui,sans-serif;-webkit-text-size-adjust:100%;overflow-x:hidden;}
button{font-family:inherit;cursor:pointer}
.hidden{display:none !important}

#app{max-width:1100px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column}

#topbar{display:flex;flex-wrap:wrap;gap:6px;padding:8px;background:#0008;backdrop-filter:blur(6px);position:sticky;top:0;z-index:10;border-bottom:1px solid #ffffff14}
.navbtn{background:#ffffff10;color:var(--ink);border:1px solid #ffffff22;border-radius:8px;padding:6px 10px;font-size:13px}
.navbtn:hover{background:#ffffff20}
.navbtn.active{background:var(--accent2);border-color:var(--accent2)}

#screen{flex:1;padding:16px;display:flex;flex-direction:column;gap:14px}

h1,h2,h3{margin:0 0 8px}
h1{font-size:28px;letter-spacing:2px;background:linear-gradient(90deg,#ffd166,#9b6bff,#5ad7ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 30px #9b6bff66}
h2{font-size:20px;color:var(--accent)}
h3{font-size:16px;color:var(--accent3)}
p{line-height:1.7;color:var(--ink-dim)}

.btn{background:linear-gradient(135deg,#9b6bff,#5ad7ff);color:#0a0518;border:none;border-radius:10px;padding:10px 16px;font-weight:700;letter-spacing:1px;box-shadow:var(--shadow);font-size:14px}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:#ffffff10;color:var(--ink);border:1px solid #ffffff33}
.btn.danger{background:linear-gradient(135deg,#ff6b9b,#9b6bff)}
.btn.small{padding:6px 10px;font-size:12px}
.btn:disabled{opacity:.4;cursor:not-allowed}

/* Title */
.title-wrap{text-align:center;padding:40px 10px;display:flex;flex-direction:column;align-items:center;gap:18px}
.title-logo{font-size:42px;font-weight:900;letter-spacing:6px;background:linear-gradient(90deg,#ffd166,#9b6bff,#5ad7ff,#ffd166);-webkit-background-clip:text;background-clip:text;color:transparent;animation:hue 8s linear infinite;text-shadow:0 0 40px #9b6bff66}
@keyframes hue{from{filter:hue-rotate(0)}to{filter:hue-rotate(360deg)}}
.title-sub{color:var(--ink-dim);max-width:520px}
.title-menu{display:flex;flex-direction:column;gap:10px;width:min(280px,80vw)}

/* Panel */
.panel{background:linear-gradient(180deg,#ffffff10,#ffffff05);border:1px solid #ffffff1a;border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}

/* Chapter list */
.chapter-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px}
.chapter{position:relative;padding:12px;border-radius:12px;background:linear-gradient(160deg,#2a1a4a,#1a0f2e);border:1px solid #ffd16633;cursor:pointer;transition:transform .15s}
.chapter:hover{transform:translateY(-2px);border-color:var(--accent)}
.chapter.locked{opacity:.45;cursor:not-allowed;border-color:#ffffff22}
.chapter.cleared::after{content:"★クリア";position:absolute;top:6px;right:8px;font-size:11px;color:var(--accent);background:#000a;padding:2px 6px;border-radius:6px}
.chap-no{font-size:12px;color:var(--accent3);letter-spacing:2px}
.chap-title{font-size:16px;font-weight:700;margin:4px 0}
.chap-desc{font-size:12px;color:var(--ink-dim)}

/* Story */
.story-stage{min-height:300px;display:flex;flex-direction:column;gap:10px}
.dialog-box{background:#0008;border:1px solid var(--accent2);border-radius:12px;padding:14px;min-height:100px;line-height:1.8}
.speaker{color:var(--accent);font-weight:700;margin-bottom:6px}
.choices{display:flex;flex-direction:column;gap:8px}
.choice{text-align:left;padding:10px;border:1px solid #ffffff33;background:#ffffff08;color:var(--ink);border-radius:10px}
.choice:hover{background:#ffffff18;border-color:var(--accent)}
.story-actor{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap}
.actor-portrait{width:120px;height:160px;border-radius:14px;background:linear-gradient(160deg,var(--c1,#9b6bff),var(--c2,#5ad7ff));display:flex;align-items:center;justify-content:center;font-size:42px;font-weight:900;color:#fff;box-shadow:var(--shadow);border:2px solid #ffffff33;letter-spacing:2px}

/* Cards */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.acard{position:relative;aspect-ratio:3/4;border-radius:14px;padding:8px;display:flex;flex-direction:column;background:linear-gradient(160deg,var(--c1,#2a1a4a),var(--c2,#1a0f2e));border:2px solid var(--card-edge);box-shadow:var(--shadow);cursor:pointer;transition:transform .15s;overflow:hidden}
.acard:hover{transform:translateY(-3px) scale(1.02)}
.acard .ico{flex:1;display:flex;align-items:center;justify-content:center;font-size:48px;filter:drop-shadow(0 2px 8px #000a)}
.acard .nm{font-size:14px;font-weight:800;letter-spacing:1px;text-align:center}
.acard .tn{font-size:10px;color:var(--accent);text-align:center;margin-top:2px;min-height:14px}
.acard .typ{position:absolute;top:6px;left:6px;font-size:10px;background:#000a;padding:2px 6px;border-radius:6px;color:var(--accent3)}
.acard.locked{filter:grayscale(.7) brightness(.6)}
.acard.locked .ico::after{content:"?";position:absolute;font-size:64px;color:#fff8}
.acard.selected{outline:3px solid var(--accent);transform:translateY(-4px)}
.acard.in-deck{outline:2px solid var(--ok)}

/* Deck zone */
.deck-area{display:grid;grid-template-columns:1fr;gap:14px}
@media(min-width:760px){.deck-area{grid-template-columns:1fr 320px}}
.deck-slots{display:flex;flex-wrap:wrap;gap:6px;min-height:80px;padding:8px;border:2px dashed #ffd16655;border-radius:10px;background:#0006}
.deck-slot{min-width:60px;padding:6px;border-radius:8px;background:#ffffff10;font-size:12px;text-align:center;border:1px solid #ffffff22}
.deck-slot button{display:block;width:100%;background:none;border:none;color:#ff6b9b;font-size:10px;margin-top:4px;cursor:pointer}

/* Mission */
.mission-req{display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
.req-chip{padding:4px 8px;border-radius:6px;background:#ffffff10;font-size:12px;border:1px solid #ffffff22}
.req-chip.ok{background:#7fffa844;border-color:var(--ok);color:var(--ok)}

/* Battle */
.battle-stage{display:flex;flex-direction:column;gap:12px}
.enemy{padding:14px;border:2px solid var(--danger);border-radius:14px;background:linear-gradient(160deg,#3a1238,#1a0f2e);display:flex;gap:14px;align-items:center}
.enemy-icon{width:80px;height:80px;border-radius:50%;background:radial-gradient(circle,#ff6b9b,#3a1238);display:flex;align-items:center;justify-content:center;font-size:42px;flex-shrink:0;border:2px solid #ffffff44}
.enemy-info{flex:1;min-width:0}
.enemy-name{font-size:18px;color:var(--danger);font-weight:800}
.enemy-desc{font-size:13px;color:var(--ink-dim)}
.hp-bar{width:100%;height:10px;background:#0008;border-radius:6px;overflow:hidden;margin-top:8px}
.hp-fill{height:100%;background:linear-gradient(90deg,#7fffa8,#ffd166,#ff6b9b);transition:width .4s}

/* Codex / encyclopedia */
.codex-entry{border-left:3px solid var(--accent2);padding:10px 12px;margin-bottom:8px;background:#ffffff06;border-radius:0 10px 10px 0}
.codex-entry h3{margin:0 0 4px}
.codex-entry .true-name{color:var(--accent);font-size:13px;letter-spacing:2px;font-weight:700}
.codex-entry .true-name.locked{color:var(--ink-dim);filter:blur(4px);user-select:none}

/* Blueprint */
.bp-section{margin-bottom:14px}
.bp-line{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:13px;padding:4px 8px;background:#0006;border-radius:6px;margin:2px 0;color:var(--accent3)}
pre.tf-code{background:#000a;color:#7fffa8;padding:12px;border-radius:10px;font-size:12px;overflow-x:auto;border:1px solid #ffffff22;font-family:ui-monospace,Consolas,monospace}

/* Toast */
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%) translateY(80px);background:#000c;color:var(--ink);padding:10px 18px;border-radius:8px;border:1px solid var(--accent);z-index:50;transition:transform .25s;pointer-events:none;font-size:14px}
.toast.show{transform:translateX(-50%) translateY(0)}

/* Modal */
.modal{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:40;padding:14px}
.modal-inner{background:linear-gradient(160deg,#2a1a4a,#1a0f2e);border:1px solid var(--accent2);border-radius:14px;padding:18px;max-width:520px;width:100%;max-height:80vh;overflow:auto;box-shadow:var(--shadow)}

.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.spacer{flex:1}
.tag{display:inline-block;padding:2px 8px;border-radius:6px;background:#ffffff14;font-size:11px;color:var(--ink-dim);margin-right:4px}

/* Reveal */
.reveal-wrap{position:relative;padding:20px 10px;text-align:center;overflow:hidden;min-height:60vh}
.reveal-aurora{position:absolute;inset:-40px;background:conic-gradient(from 0deg, #9b6bff44, #5ad7ff44, #ffd16644, #ff6b9b44, #9b6bff44);filter:blur(60px);animation:spin 14s linear infinite;z-index:0;pointer-events:none}
@keyframes spin{to{transform:rotate(360deg)}}
.reveal-title{position:relative;font-size:34px;letter-spacing:10px;background:linear-gradient(90deg,#ffd166,#9b6bff,#5ad7ff);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:0 0 40px #9b6bff;animation:pulse 2s ease-in-out infinite}
@keyframes pulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.4)}}
.reveal-sub{position:relative;color:var(--ink-dim);margin-bottom:20px}
.reveal-grid{position:relative;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;z-index:1}
.reveal-card{width:170px;padding:14px;border-radius:14px;background:linear-gradient(160deg,var(--c1),var(--c2));border:2px solid #ffd166;box-shadow:0 0 30px #9b6bff66, var(--shadow);opacity:0;transform:translateY(20px) scale(.9);animation:revealIn .8s forwards}
@keyframes revealIn{to{opacity:1;transform:translateY(0) scale(1)}}
.reveal-ico{font-size:48px;margin-bottom:6px}
.reveal-nm{font-weight:800;letter-spacing:2px;font-size:14px}
.reveal-arrow{margin:6px 0;color:#fff;opacity:.7}
.reveal-tn{font-size:18px;font-weight:900;color:#fff;letter-spacing:3px;text-shadow:0 0 8px #ffd166}
.reveal-role{font-size:11px;color:#ffffffcc;margin-top:6px;line-height:1.5}
@media(max-width:600px){
  h1{font-size:22px}
  .title-logo{font-size:30px;letter-spacing:3px}
  #screen{padding:12px}
  .navbtn{font-size:11px;padding:5px 8px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}