/* main.css — メインスタイル、変数定義、リセット */

* { 
    box-sizing: border-box; 
}

:root {
    --md-sys-color-primary: #1f6feb;
    --md-sys-color-on-surface: #202124;
    --md-sys-color-surface: #ffffff;
    --md-sys-color-surface-dim: #eeeeee;
    --md-elevation-level: 1;
}

body { 
    margin: 0; 
    padding: 40px; 
    font-family: 'Roboto', sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

iframe { 
    flex: 1; 
    border: none;
    background: white;
}