*,*:before,*:after{box-sizing:border-box;margin:0;padding:0;scrollbar-width:none;-ms-overflow-style:none}*::-webkit-scrollbar{display:none}:root{--bg: #E8E3D8;--paper: #FAF9F6;--ink: #2D3333;--sage: #C3E5D9;--rose: #F1D4D4;--lavender: #E2D1F9;--blue: #D1E1F9;--shadow-nb: 0 40px 120px -20px rgba(0, 0, 0, .22), 0 8px 32px -8px rgba(0, 0, 0, .1);--shadow-sm: 0 2px 10px rgba(0, 0, 0, .06);--radius-nb: 12px 28px 28px 12px;--font: "Plus Jakarta Sans", sans-serif;--hand: "Caveat", cursive;--hand2: "Kalam", cursive}html,body{height:100%;overflow:hidden}body{font-family:var(--font);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");pointer-events:none;z-index:9999}#root{width:100%;height:100vh;display:flex;align-items:center;justify-content:center}.scene{width:100%;max-width:1240px;padding:2rem;perspective:2000px;display:flex;justify-content:center}@media (max-width: 600px){.scene{padding:10px}}.notebook-wrapper{position:relative;width:100%;transform-style:preserve-3d;will-change:transform}.notebook{position:relative;width:100%;height:720px;display:flex;background:#2a2420 url(/assets/cover.png) center/cover no-repeat;border-radius:var(--radius-nb);box-shadow:0 50px 120px -20px #00000073,0 15px 40px #0000002e,inset 0 1px #ffffff0f;padding:18px;gap:0;overflow:visible;transform-style:preserve-3d;backface-visibility:hidden}@media (max-width: 768px){.notebook{box-shadow:0 20px 50px -10px #0000004d;padding:12px}}.binding{position:absolute;left:50%;top:0;bottom:0;width:44px;transform:translate(-50%);background:linear-gradient(to right,#00000024,#00000005 35%,#ffffff0f,#00000005 65%,#00000024);z-index:50;pointer-events:none}.page{flex:1;height:100%;background:linear-gradient(rgba(70,60,50,.065) 1px,transparent 1px) top left / 100% 32px,var(--paper) url(/assets/paper.png) center/cover no-repeat;padding:56px 3rem 2rem;position:relative;overflow:hidden;z-index:20}.page-left{border-radius:3px 0 0 3px;border-right:1px solid rgba(0,0,0,.06)}.page-right{border-radius:0 3px 3px 0;border-left:1px solid rgba(0,0,0,.06);display:flex;flex-direction:column;gap:1.5rem;overflow:hidden;will-change:transform,opacity;backface-visibility:hidden;transform-style:preserve-3d}.flip-container{flex:1;position:relative;perspective:1200px;overflow:hidden;border-radius:0 3px 3px 0;z-index:20}.page-shadow{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(rgba(70,60,50,.065) 1px,transparent 1px) top left / 100% 32px,#f4f2ee url(/assets/paper.png) center/cover no-repeat;border-radius:0 3px 3px 0;box-shadow:inset 4px 0 12px #0000000f;z-index:0}.bookmark-stack{position:absolute;top:450px;right:18px;display:flex;flex-direction:column;gap:4px;pointer-events:none}.bookmark{display:flex;align-items:center;padding:6px 14px 6px 76px;min-width:140px;font-family:var(--hand);font-size:1.15rem;font-weight:700;cursor:pointer;border-radius:4px 10px 10px 4px;white-space:nowrap;-webkit-user-select:none;user-select:none;pointer-events:all;z-index:10;position:relative}.bookmark-active{z-index:120!important}.bookmark-label{display:block;line-height:1}h1{font-family:var(--hand);font-size:2.4rem;font-weight:700;color:var(--ink);line-height:1.15;margin-bottom:4px}.subtitle{font-family:var(--font);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:#999;margin-bottom:2rem}.quote-text{font-family:var(--hand);font-size:1.85rem;color:#b85555;line-height:1.3;display:inline-block;transform:rotate(-1.2deg);font-style:normal}.quote-attr{font-family:var(--hand2);font-size:1rem;color:#c07070;margin-top:4px}.page-desc{font-family:var(--hand);font-size:1.6rem;line-height:1.35;color:#556b6b;max-width:90%}.section-title{font-family:var(--hand);font-size:1.9rem;font-weight:700;color:var(--ink);margin-bottom:.75rem}.content-grid{display:flex;flex-direction:column;gap:.7rem;width:100%}.link-item{position:relative;background:#ffffffd1;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:.85rem 1.45rem;border-radius:12px;border:1px solid rgba(0,0,0,.06);text-decoration:none;color:var(--ink);display:flex;flex-direction:row;align-items:center;gap:1.2rem;box-shadow:var(--shadow-sm);overflow:hidden;width:100%;transform:translateZ(0)}@media (max-width: 768px){.link-item{-webkit-backdrop-filter:none!important;backdrop-filter:none!important;background:#fffffff2}}.item-text{display:flex;flex-direction:column;flex:1;min-width:0;gap:2px}.item-label{font-size:.62rem;font-weight:700;color:#c0b8b0;text-transform:uppercase;letter-spacing:.1em}.item-name{font-family:var(--hand2);font-size:1rem;font-weight:700;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.qr-wrap{margin-left:auto;flex-shrink:0;opacity:.2;transition:opacity .2s}.link-item:hover .qr-wrap{opacity:.8}.visiting-card{position:absolute;bottom:24px;left:20px;width:248px;background:#fff;border-radius:4px;padding:1.1rem 1.3rem .9rem;box-shadow:4px 10px 28px #0000001f,0 1px #0000000a;transform:rotate(-4deg);z-index:30;text-decoration:none;color:var(--ink);display:block;transition:transform .45s cubic-bezier(.175,.885,.32,1.275),box-shadow .45s ease}.visiting-card:before{content:"";position:absolute;top:-12px;left:50%;width:52px;height:20px;background:#c3e5d98c;transform:translate(-50%) rotate(1.5deg);border-radius:2px}.visiting-card:hover{transform:rotate(0) translateY(-10px) scale(1.02);box-shadow:8px 22px 48px #00000029;z-index:50}.vc-label{font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:#bba;margin-bottom:.2rem}.vc-name{font-family:var(--hand);font-size:1.45rem;font-weight:700;line-height:1;margin-bottom:.2rem;color:var(--ink)}.vc-sub{font-family:var(--hand2);font-size:.88rem;color:#888}.vc-footer{display:flex;align-items:flex-end;justify-content:space-between;margin-top:.6rem}.vc-id{font-size:.6rem;color:#ccc;font-family:monospace}.audio-memo{position:absolute;bottom:1.5rem;right:1.5rem;display:flex;flex-direction:column;align-items:center;gap:4px;background:#ffffffe6;border:1px solid rgba(0,0,0,.07);border-radius:12px;padding:9px 12px;cursor:pointer;z-index:40;box-shadow:var(--shadow-sm);color:#7a8c8c;font-family:var(--hand);font-size:.9rem}.memo-bubble{position:absolute;bottom:88px;right:14px;background:#fefcf0;border:1px solid #E8E4D8;border-radius:14px;padding:10px 14px;font-family:var(--hand);font-size:1.3rem;color:var(--ink);max-width:215px;box-shadow:0 8px 24px #00000012;z-index:100;pointer-events:none}