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fix: Radio の選択ドットが label の padding で位置ずれしないようにする #19

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Merged
nacal merged 1 commit into from
Jul 22, 2026
Merged

fix: Radio の選択ドットが label の padding で位置ずれしないようにする #19

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27 changes: 9 additions & 18 deletions src/Radio/_index.scss
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Original file line number Diff line number Diff line change
Expand Up @@ -11,41 +11,32 @@
.wip-radio {
@include adapter.text($level: m);
display: flex;
position: relative;
align-items: center;
gap: adapter.get-gap-size(xs);
forced-color-adjust: none;
cursor: pointer;

// ドット（選択マーク）は擬似要素のオーバーレイではなく、輪(:before)自身の
// background に radial-gradient で描く。絶対配置だとルートの label に
// padding を当てたときに輪（フロー配置）とずれるため。
&:before {
content: '';
display: block;
width: adapter.get-radio-child-background-width();
height: adapter.get-radio-child-background-height();
border-radius: 50%;
box-shadow: 0 0 0 .0625rem adapter.get-radio-border-color();
}

&:after {
content: '';
position: absolute;
left: calc((adapter.get-radio-child-background-width() - adapter.get-radio-child-foreground-width()) / 2);
top: 50%;
transform: translateY(-50%) scale(0);
width: adapter.get-radio-child-foreground-width();
height: adapter.get-radio-child-foreground-height();
background: adapter.get-primitive-color(blue, 800);
border-radius: 50%;
transition: transform 200ms;
background-image: radial-gradient(circle closest-side, adapter.get-primitive-color(blue, 800) 98%, transparent);
background-repeat: no-repeat;
background-position: center;
background-size: 0 0;
transition: background-size 200ms;
}

&[data-selected] {
&:before {
box-shadow: 0 0 0 .0625rem adapter.get-primitive-color(blue, 800);
}

&:after {
transform: translateY(-50%) scale(1);
background-size: adapter.get-radio-child-foreground-width() adapter.get-radio-child-foreground-height();
}
}

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