body { margin: 0 } header { color: #fff; background: teal; padding: 1em } nav { background: #fff; display: none } #概要 { margin: 1em 0; display: flex; flex-wrap: wrap; gap: 1em; article { background: silver; div { text-align: center } } } .言 { margin: 1em 0; display: flex; gap: 1ex; p { background: #0f0; padding: 1ex; border-radius: 1ex } } .右 { place-content: end; p { background: silver } } .grecaptcha-badge { display: none }