<!DOCTYPE html><html><head><meta charset="utf-8"><meta content="width=device-width,initial-scale=1" name="viewport"><title>Next2D | Animation Tool 使い方 | 短形ツール</title><meta content="矩形ツールを使うと、正方形や長方形を描くことができます。" name="description"><meta content="Next2D,Next2D Player,Animation Tool,Next2D Framework" name="keywords"><meta itemprop="name" content="Next2D | Animation Tool 使い方 | 短形ツール"><meta itemprop="description" content="矩