:root{--bg-main:#fbf8f3;--bg-sub:#f4efe6;--bg-card:#fff;--bg-paper:#fdfbf7;--text-main:#2c2825;--text-muted:#6e665e;--text-light:#968d84;--color-coffee:#764726;--color-coffee-hover:#5a351b;--color-terracotta:#b95b3c;--color-amber:#c98a3c;--color-border:#e5ddd0;--color-border-dark:#d4c7b5;--font-serif:"Shippori Mincho", "Noto Serif JP", "Yu Mincho", "Hiragino Mincho ProN", serif;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--shadow-subtle:0 4px 16px #2c28250d;--shadow-book:0 8px 30px #4a34261f, 0 2px 6px #2c28250f;--shadow-modal:0 20px 50px #23191240;--radius-sm:6px;--radius-md:12px;--radius-lg:20px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}body{font-family:var(--font-serif);color:var(--text-main);background-color:var(--bg-main);letter-spacing:.04em;background-image:radial-gradient(#e8e0d2 .75px,#0000 .75px),linear-gradient(#fbf8f3cc,#f4efe6f2);background-size:24px 24px,100% 100%;background-attachment:fixed;flex-direction:column;align-items:center;min-height:100vh;line-height:1.8;display:flex}#root{background-color:#fbf8f3d9;flex-direction:column;width:100%;max-width:480px;min-height:100vh;display:flex;position:relative;box-shadow:0 0 40px #00000008}.app-container{flex-direction:column;flex:1;padding:24px 20px 40px;display:flex}.site-header{text-align:center;border-bottom:1px solid var(--color-border);padding-bottom:24px;position:relative}.brand-badge{color:var(--color-coffee);background:var(--bg-sub);border:1px solid var(--color-border-dark);letter-spacing:.08em;border-radius:20px;align-items:center;gap:6px;margin-bottom:12px;padding:4px 14px;font-size:.82rem;display:inline-flex}.site-title{color:var(--text-main);letter-spacing:.06em;justify-content:center;align-items:center;gap:8px;margin-bottom:6px;font-size:1.75rem;font-weight:700;display:flex}.site-subtitle{color:var(--text-muted);font-size:.85rem;line-height:1.5}.sound-toggle-btn{border:1px solid var(--color-border);color:var(--text-muted);cursor:pointer;background:0 0;border-radius:50%;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex;position:absolute;top:0;right:0}.sound-toggle-btn:hover{background:var(--bg-sub);color:var(--color-coffee)}.roulette-section{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:32px 0 24px;display:flex}.book-slot-frame{background:var(--bg-paper);border:1px solid var(--color-border-dark);border-radius:var(--radius-md);width:100%;max-width:360px;height:250px;box-shadow:var(--shadow-book);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:24px 20px;transition:transform .3s,box-shadow .3s;display:flex;position:relative;overflow:hidden}.book-slot-frame:before{content:"";background:linear-gradient(90deg,#76472626,#0000);border-right:1px solid #7647261a;width:10px;position:absolute;top:0;bottom:0;left:0}.book-slot-frame.spinning{border-color:var(--color-coffee);transform:translateY(-2px);box-shadow:0 10px 35px #76472633}.slot-ornament-top,.slot-ornament-bottom{color:var(--color-amber);opacity:.8;letter-spacing:.2em;font-size:.75rem}.slot-inner-content{flex-direction:column;flex:1;justify-content:center;align-items:center;width:100%;display:flex}.slot-prompt-text{color:var(--text-muted);font-size:1.05rem;line-height:1.7}.slot-vol-badge{color:var(--color-terracotta);border:1px solid var(--color-terracotta);border-radius:4px;margin-bottom:8px;padding:2px 8px;font-size:.75rem;display:inline-block}.slot-active-title{color:var(--text-main);-webkit-line-clamp:2;word-break:break-word;-webkit-box-orient:vertical;margin-bottom:8px;font-size:1.35rem;font-weight:700;line-height:1.45;display:-webkit-box;overflow:hidden}.slot-active-author{color:var(--text-muted);font-size:.9rem}.action-area{flex-direction:column;align-items:center;gap:16px;width:100%;max-width:360px;margin-top:36px;display:flex}.spin-main-button{background:linear-gradient(135deg, var(--color-coffee), #5d371e);color:#fffdf9;width:100%;font-family:var(--font-serif);letter-spacing:.08em;cursor:pointer;border:none;border-radius:50px;justify-content:center;align-items:center;gap:10px;padding:16px 24px;font-size:1.15rem;font-weight:600;transition:all .25s cubic-bezier(.16,1,.3,1);display:flex;box-shadow:0 6px 20px #7647264d}.spin-main-button:hover:not(:disabled){background:linear-gradient(135deg,#85512b,#6a3e22);transform:translateY(-2px);box-shadow:0 8px 25px #76472666}.spin-main-button:active:not(:disabled){transform:translateY(1px);box-shadow:0 3px 10px #7647264d}.spin-main-button:disabled{opacity:.85;cursor:not-allowed;filter:grayscale(.2)}.hint-subtext{color:var(--text-light);text-align:center;font-size:.8rem}.site-footer{border-top:1px solid var(--color-border);text-align:center;color:var(--text-muted);margin-top:auto;padding-top:24px;font-size:.8rem}.footer-brewbooks-link{color:var(--color-coffee);border-bottom:1px dotted var(--color-coffee);margin-top:4px;text-decoration:none;transition:opacity .2s;display:inline-block}.footer-brewbooks-link:hover{opacity:.7}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background-color:#1e1814a6;justify-content:center;align-items:center;padding:16px;animation:.25s ease-out fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{background:var(--bg-paper);border-radius:var(--radius-md);border:1px solid var(--color-border-dark);width:100%;max-width:440px;max-height:88vh;box-shadow:var(--shadow-modal);flex-direction:column;animation:.3s cubic-bezier(.16,1,.3,1) scaleUp;display:flex;position:relative;overflow:hidden}@keyframes scaleUp{0%{opacity:0;transform:scale(.92)translateY(10px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-header-bar{border-bottom:1px solid var(--color-border);background:#f4efe699;justify-content:space-between;align-items:center;padding:16px 20px 12px;display:flex}.modal-tag{color:var(--color-coffee);letter-spacing:.06em;align-items:center;gap:6px;font-size:.78rem;font-weight:600;display:inline-flex}.modal-close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:4px;transition:all .2s;display:flex}.modal-close-btn:hover{color:var(--text-main);background:#0000000d}.modal-scroll-body{-webkit-overflow-scrolling:touch;flex:1;padding:24px 22px 20px;overflow-y:auto}.modal-book-title{color:var(--text-main);margin-bottom:8px;font-size:1.45rem;font-weight:700;line-height:1.4}.modal-book-meta{color:var(--text-muted);border-bottom:1px dashed var(--color-border-dark);flex-wrap:wrap;align-items:center;gap:8px 14px;margin-bottom:20px;padding-bottom:16px;font-size:.88rem;display:flex}.meta-item{align-items:center;gap:4px;display:inline-flex}.modal-description-content{color:var(--text-main);letter-spacing:.04em;margin-bottom:8px;font-size:.96rem}.desc-paragraph{text-align:justify;margin-bottom:1.2em;line-height:1.95}.desc-paragraph:last-child{margin-bottom:0}.book-end-credit{text-align:right;color:var(--color-coffee);letter-spacing:.08em;border-top:1px dotted var(--color-border-dark);margin-top:16px;margin-bottom:26px;padding-top:12px;font-size:.88rem;font-weight:600}.brewbooks-invitation{background:var(--bg-sub);border:1px solid var(--color-border);border-radius:var(--radius-sm);text-align:center;color:var(--text-muted);margin-top:16px;padding:16px;font-size:.85rem;line-height:1.7}.brewbooks-invitation p{margin-bottom:8px}.invitation-links{justify-content:center;gap:16px;margin-top:10px;display:flex}.invitation-link-btn{color:var(--color-coffee);align-items:center;gap:5px;font-size:.8rem;font-weight:600;text-decoration:none;display:inline-flex}.invitation-link-btn:hover{text-decoration:underline}.modal-footer-actions{border-top:1px solid var(--color-border);background:#fbf8f3e6;gap:12px;padding:14px 20px;display:flex}.btn-again{background:var(--color-coffee);color:#fffdf9;font-family:var(--font-serif);letter-spacing:.06em;cursor:pointer;border:none;border-radius:50px;flex:1;justify-content:center;align-items:center;gap:8px;padding:12px 18px;font-size:.98rem;font-weight:600;transition:all .2s;display:flex}.btn-again:hover{background:var(--color-coffee-hover)}.btn-share{background:var(--bg-paper);color:var(--text-muted);border:1px solid var(--color-border-dark);font-family:var(--font-serif);cursor:pointer;border-radius:50px;align-items:center;gap:6px;padding:12px 16px;font-size:.9rem;transition:all .2s;display:flex}.btn-share:hover{background:var(--bg-sub);color:var(--color-coffee)}