:root{--bg: #fbf9f7;--card: #ffffff;--ink: #3d3833;--ink-soft: #8a827a;--accent: #ff8672;--accent-deep: #f06a55;--accent-soft: #ffe9e4;--line: #efe9e3;--danger: #d95757;--radius: 18px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:"M PLUS Rounded 1c",system-ui,sans-serif;-webkit-font-smoothing:antialiased}.app-header{padding:28px 20px 8px;text-align:center}.logo{margin:0;font-size:1.7rem;font-weight:700;letter-spacing:.06em;color:var(--accent-deep)}.beta{font-size:.8rem;vertical-align:super;color:var(--ink-soft);font-weight:500}.tagline{margin:6px 0 0;font-size:.85rem;color:var(--ink-soft)}main{max-width:640px;margin:0 auto;padding:16px 20px 80px}.screen-title{font-size:1.2rem;font-weight:700;margin:8px 0 4px}.hint{font-size:.85rem;color:var(--ink-soft);margin:4px 0 14px;line-height:1.7}.photo-tips{background:var(--accent-soft);border-radius:12px;padding:12px 16px;font-size:.82rem;line-height:1.7;color:var(--ink)}.photo-tips strong{color:var(--accent-deep)}.collection{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:16px;margin-top:12px}.item-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;text-align:center;cursor:pointer;transition:transform .15s ease,box-shadow .15s ease}.item-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px #0000000f}.item-card img{width:100%;height:140px;object-fit:contain;background:repeating-conic-gradient(#f4f0ec 0% 25%,#fff 0% 50%) 0 0 / 18px 18px;border-radius:12px}.item-card .item-name{display:block;margin-top:10px;font-weight:700;font-size:.95rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item-card .item-height{display:block;font-size:.78rem;color:var(--ink-soft)}.empty-state{text-align:center;padding:56px 16px;color:var(--ink-soft);line-height:2}.empty-icon{font-size:2.4rem;margin-bottom:8px}.fab{position:fixed;left:50%;transform:translate(-50%);bottom:24px;background:var(--accent);color:#fff;border:none;border-radius:999px;padding:16px 28px;font-size:1rem;font-weight:700;font-family:inherit;cursor:pointer;box-shadow:0 6px 20px #f06a5559}.fab:active{transform:translate(-50%) scale(.97)}.edit-stage{position:relative;width:100%;height:min(58vh,520px);background:repeating-conic-gradient(#f4f0ec 0% 25%,#fff 0% 50%) 0 0 / 20px 20px;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;touch-action:none}.edit-stage canvas{position:absolute;transform-origin:0 0}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:14px 0}.tool-group{display:flex;gap:6px}.tool-btn{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:9px 14px;font-family:inherit;font-size:.88rem;font-weight:500;color:var(--ink);cursor:pointer}.tool-btn.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-deep);font-weight:700}.brush-size{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--ink-soft)}.brush-size input{accent-color:var(--accent)}.btn-row{display:flex;gap:12px;justify-content:center;margin:10px 0}.btn{font-family:inherit;font-size:1rem;font-weight:700;border-radius:999px;padding:13px 30px;border:none;cursor:pointer}.btn.primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px #f06a554d}.btn.primary:disabled{background:#e5ded8;box-shadow:none;cursor:default}.btn.ghost{background:transparent;color:var(--ink-soft);border:1px solid var(--line)}.btn.danger{color:var(--danger);border-color:#f0d3d3}.btn.small{padding:8px 16px;font-size:.85rem}.btn.big{width:100%;max-width:420px;padding:16px;font-size:1.05rem}.save-preview{text-align:center;margin:12px 0}.save-preview img{max-height:200px;max-width:80%;background:repeating-conic-gradient(#f4f0ec 0% 25%,#fff 0% 50%) 0 0 / 18px 18px;border-radius:14px;padding:8px}.save-form label{display:block;font-size:.9rem;font-weight:700;margin:16px 0}.save-form input[type=text],.save-form input[type=number]{display:block;width:100%;margin-top:6px;padding:12px 14px;font-family:inherit;font-size:1rem;border:1px solid var(--line);border-radius:12px;background:var(--card);color:var(--ink)}.save-form input:focus{outline:2px solid var(--accent);border-color:transparent}.field-note{display:block;font-size:.78rem;font-weight:400;color:var(--ink-soft);margin-top:5px}.detail-head{margin-bottom:4px}.detail-height{color:var(--ink-soft);font-size:.85rem;margin:0 0 10px}.viewer{width:100%;height:min(48vh,440px);border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(#fff,#f6f1ec);overflow:hidden;touch-action:none}.viewer-hint{text-align:center}.ar-note{text-align:center;font-size:.82rem;color:var(--ink-soft);line-height:1.7;background:var(--accent-soft);border-radius:12px;padding:10px 14px}.overlay[hidden]{display:none}.overlay{position:fixed;inset:0;background:#fbf9f7e0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;z-index:100;font-weight:700}.spinner{width:44px;height:44px;border:4px solid var(--accent-soft);border-top-color:var(--accent);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.app-footer{text-align:center;padding:24px 20px 100px;font-size:.75rem;color:var(--ink-soft)}