:root{--canvas: #fbfaf4;--ink: #20222e;--ink-soft: #6b6b85;--primary: #ff48b0;--secondary: #0078bf;--line: #e4e5ee;--danger: #b3435a;--font-display: "Zen Kaku Gothic New", sans-serif;--font-body: "Noto Sans JP", system-ui, sans-serif;font-family:var(--font-body);color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0;background:var(--canvas);color:var(--ink)}h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;margin:0}button{font:inherit;color:inherit;cursor:pointer}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:999px;border:none;background:none;font-family:var(--font-display);font-weight:700;font-size:14px;padding:11px 20px;line-height:1.2;transition:transform .12s ease,opacity .12s ease}.btn:active{transform:translateY(2px)}.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:3px 3px 0 var(--secondary)}.btn-secondary{background:#fff;color:var(--ink);border:1.5px solid var(--line)}.btn-ghost{background:none;color:var(--ink-soft);font-family:var(--font-body);font-weight:400;font-size:13px;padding:8px 10px}.btn-danger{background:var(--danger);color:#fff}.btn-danger.btn-text{background:none;color:var(--danger);font-family:var(--font-body);font-weight:400;font-size:12px;padding:4px 8px}.btn-icon{width:40px;height:40px;min-width:40px;padding:0;border-radius:50%;font-family:var(--font-display);font-size:16px}.btn-icon:hover:not(:disabled),.btn-icon:focus-visible{background:#20222e0f}.btn-sm{padding:7px 14px;font-size:13px}.btn-block{display:flex;width:100%}.chip{border:1.5px solid var(--line);border-radius:999px;padding:7px 14px;background:#fff;font-family:var(--font-body);font-weight:400;font-size:12px;color:var(--ink)}.chip[aria-selected=true],.chip[aria-checked=true],.chip[aria-pressed=true]{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}.template-list{display:flex;flex-direction:column;gap:12px;padding:16px;max-width:480px;margin:0 auto}.template-list__header{display:flex;align-items:center;justify-content:space-between}.template-list__grid{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}.template-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;padding:8px;display:flex;flex-direction:column;gap:8px}.template-card__preview{aspect-ratio:1 / 1;max-height:220px}.template-card__meta{display:flex;gap:8px;align-items:baseline;font-family:var(--font-body);font-size:13px;color:var(--ink-soft);padding:0 4px}.template-card__category{font-family:var(--font-display);font-weight:700;color:var(--secondary);font-size:11px}.consideration-notice{font-family:var(--font-body);font-size:13px;color:#555;background:#f1e4ff;padding:8px 12px;border-radius:8px}.editor-screen{display:flex;flex-direction:column;height:100%}.editor-screen__header{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;border-bottom:1px solid var(--line)}.editor-screen__canvas{position:relative;flex:1;min-height:0}.editor-screen__fab{position:absolute;right:16px;bottom:16px;width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;font-size:26px;border:none;box-shadow:0 8px 18px #ff48b066}.editor-screen__fab:active{transform:translateY(2px)}.editor-screen__toolbar{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;border-top:1px solid var(--line);gap:8px}.layout-menu{display:flex;gap:6px}.undo-redo-controls{display:flex;gap:4px}.title-field--display{background:none;border:none;font-family:var(--font-body);font-weight:400;font-size:13px;color:var(--ink-soft);padding:6px 8px}.title-field--input{font-family:var(--font-body);font-size:13px;border:1.5px solid var(--line);border-radius:8px;padding:5px 8px}.sheet{position:fixed;left:0;right:0;bottom:0;background:#fff;border-radius:16px 16px 0 0;padding:16px;box-shadow:0 -4px 16px #00000026;display:flex;flex-direction:column;gap:12px;max-height:70vh;overflow-y:auto}.sheet__handle{width:40px;height:4px;background:var(--line);border-radius:2px;margin:0 auto}.sheet__field{display:flex;flex-direction:column;gap:6px;font-family:var(--font-body);font-size:13px;color:var(--ink-soft)}.sheet__field input[type=text]{font-family:var(--font-body);font-size:15px;color:var(--ink);border:1.5px solid var(--line);border-radius:8px;padding:9px 10px}.sheet__row{display:flex;align-items:center;justify-content:space-between;gap:8px;font-family:var(--font-body);font-size:14px}.sheet__icon-tabs{display:flex;gap:6px}.sheet__emoji-grid,.sheet__chips{display:flex;flex-wrap:wrap;gap:6px}.sheet__emoji-grid button{width:40px;height:40px;border-radius:10px;border:1.5px solid var(--line);background:#fff;font-size:18px}.sheet__emoji-grid button[aria-pressed=true]{border-color:var(--primary);background:#ff48b01a}.sheet__palette{display:flex;gap:8px}.sheet__palette button{width:32px;height:32px;border-radius:50%;border:1.5px solid var(--line);padding:0}.sheet__palette button[aria-checked=true]{border-color:var(--ink);border-width:2.5px}.sheet__actions{display:flex;justify-content:flex-end;gap:8px;padding-top:4px}.context-menu-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0003;display:flex;align-items:center;justify-content:center}.context-menu{list-style:none;background:#fff;border-radius:12px;padding:6px;margin:0;min-width:160px;box-shadow:0 10px 24px #20222e33}.context-menu button{display:block;width:100%;text-align:left;padding:10px 12px;border-radius:8px;background:none;border:none;font-family:var(--font-body);font-weight:400;font-size:14px}.context-menu button:hover{background:#20222e0f}.export-screen{display:flex;flex-direction:column;gap:12px;padding:16px;max-width:480px;margin:0 auto}.export-screen__header{display:flex;align-items:center;justify-content:space-between}.export-screen__preview{width:100%;max-height:60vh;margin:0 auto;border:1px solid var(--line);border-radius:12px;overflow:hidden}.export-screen__sizes{display:flex;gap:6px}.export-screen__sizes .chip{flex:1;text-align:center}.export-screen__actions{display:flex;gap:8px}.export-screen__actions .btn-primary{flex:2}.export-screen__actions .btn-secondary{flex:1}.export-screen__status{font-family:var(--font-body);font-size:13px;color:var(--ink-soft);text-align:center}.export-screen__share-text{display:flex;flex-direction:column;gap:6px;font-family:var(--font-body);font-size:13px;color:var(--ink-soft)}.export-screen__share-text textarea{font-family:var(--font-body);font-size:14px;color:var(--ink);padding:8px;border:1.5px solid var(--line);border-radius:8px;resize:vertical}.my-diagrams{display:flex;flex-direction:column;gap:12px;padding:16px;max-width:480px;margin:0 auto}.my-diagrams__header{display:flex;align-items:center;justify-content:space-between}.my-diagrams__empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:32px 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4px}.my-diagrams__title{font-family:var(--font-display);font-weight:700;font-size:14px;color:var(--ink)}.my-diagrams__delete{align-self:flex-end}.confirm-dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000004d;display:flex;align-items:center;justify-content:center;padding:24px}.confirm-dialog{background:#fff;border-radius:12px;padding:20px;max-width:320px;display:flex;flex-direction:column;gap:16px}.confirm-dialog p{font-family:var(--font-body);font-weight:400;margin:0}.confirm-dialog__actions{display:flex;justify-content:flex-end;gap:8px}