06カードタップのスケール+明るさ

カードをタップしている間 scale(.98) と filter: brightness(.94) が同時にかかり、カード全体が押されたように見える。touch-action: manipulation でダブルタップズームも防ぐ。

使いどころ商品カードやサムネイルカードなど、タップ領域が広い UI

scalefilter: brightnesstouch-action

<main class="stage">
  <article class="card is-demo" tabindex="0">
    <span class="card__media" aria-hidden="true"></span>
    <div class="card__body">
      <h3 class="card__title">Bluetoothスピーカー</h3>
      <p class="card__meta">32,000ウォン</p>
    </div>
  </article>
</main>

@use "../../../../site/static/demo-tokens" as *;

$duration: $dur-quick;
$easing: $ease-out;
$color: $stage-ink;                               // 글자 색

@include stage($stage-yellow);
.stage { padding: clamp(6px, 2.4vw, 16px); }

.card {
  position: relative;
  width: min(150px, 48vw);
  border-radius: $r-card;
  background: $subject-cream;
  overflow: hidden;
  cursor: pointer;
  touch-action: manipulation;                     // 더블탭 확대 방지
  transform: scale(1);
  filter: brightness(1);
  transition: transform $duration $easing, filter $duration $easing;

  // 규칙8 한 겹: 눌리는 순간 카드 안쪽 가장자리로 두 겹 링이 불규칙하게 번지다 감쇠
  &::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: inset 0 0 0 0 rgba($subject-blue, .4), inset 0 0 0 0 rgba($subject-blue, .22);
    opacity: 0;
    pointer-events: none;
  }
}
.card__media {
  display: block;
  aspect-ratio: 16 / 9;
  background: linear-gradient(155deg, $subject-blue 0%, $stage-ink 100%);
}
.card__body { padding: 8px 12px; }
.card__title { margin: 0 0 4px; font-weight: 700; font-size: clamp(12px, 3.4vw, 14px); line-height: 1.3; font-family: inherit; color: $color; }
.card__meta { margin: 0; font-weight: 500; font-size: clamp(11px, 3vw, 12px); line-height: 1.3; font-family: inherit; color: rgba($color, .6); }

.card:active {
  transform: scale(.98);
  filter: brightness(.94);
}
.card:active::after {
  animation: ripple-wave $dur-enter $easing;
}

.card:focus-visible {
  outline: 3px solid $subject-blue;
  outline-offset: 3px;
}

.card.is-demo { animation: tap-loop $dur-loop $easing infinite; }
.card.is-demo::after { animation: ripple-loop $dur-loop $easing infinite; }
@keyframes tap-loop {
  0%, 20%  { transform: scale(1);    filter: brightness(1); }
  50%, 70% { transform: scale(.98);  filter: brightness(.94); }
  100%     { transform: scale(1);    filter: brightness(1); }
}

@keyframes ripple-wave {
  0%   { box-shadow: inset 0 0 0 0 rgba($subject-blue, .62), inset 0 0 0 0 rgba($subject-blue, .45); opacity: 1; }
  16%  { box-shadow: inset 0 0 0 5px rgba($subject-blue, .62), inset 0 0 0 2px rgba($subject-blue, .45); opacity: 1; }
  48%  { box-shadow: inset 0 0 0 8px rgba($subject-blue, .55), inset 0 0 0 5px rgba($subject-blue, .4); opacity: 1; }
  56%  { box-shadow: inset 0 0 0 9px rgba($subject-blue, 0), inset 0 0 0 6px rgba($subject-blue, 0); opacity: 0; }
  100% { box-shadow: inset 0 0 0 9px rgba($subject-blue, 0), inset 0 0 0 6px rgba($subject-blue, 0); opacity: 0; }
}

@keyframes ripple-loop {
  0%, 40%   { box-shadow: inset 0 0 0 0 rgba($subject-blue, .62), inset 0 0 0 0 rgba($subject-blue, .45); opacity: 1; }
  46%       { box-shadow: inset 0 0 0 5px rgba($subject-blue, .62), inset 0 0 0 2px rgba($subject-blue, .45); opacity: 1; }
  62%       { box-shadow: inset 0 0 0 8px rgba($subject-blue, .55), inset 0 0 0 5px rgba($subject-blue, .4); opacity: 1; }
  68%       { box-shadow: inset 0 0 0 9px rgba($subject-blue, 0), inset 0 0 0 6px rgba($subject-blue, 0); opacity: 0; }
  74%, 100% { box-shadow: inset 0 0 0 9px rgba($subject-blue, 0), inset 0 0 0 6px rgba($subject-blue, 0); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .card { transition: none; }
  .card::after { animation: none !important; opacity: 0; }
  .card.is-demo { animation: none; }
}

html, body {
  margin: 0;
  overflow: hidden;
}

.stage {
  box-sizing: border-box;
  min-height: 100vh;
  display: grid;
  place-items: center;
  margin: 0;
  background: #ffd23f;
  font-family: -apple-system, "Segoe UI", "Noto Sans KR", sans-serif;
  padding: clamp(8px, 4vw, 24px);
}

.stage {
  padding: clamp(6px, 2.4vw, 16px);
}

.card {
  position: relative;
  width: min(150px, 48vw);
  border-radius: 16px;
  background: #fff7e6;
  overflow: hidden;
  cursor: pointer;
  touch-action: manipulation;
  transform: scale(1);
  filter: brightness(1);
  transition: transform 220ms ease-out, filter 220ms ease-out;
}
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 0 rgba(47, 109, 246, 0.4), inset 0 0 0 0 rgba(47, 109, 246, 0.22);
  opacity: 0;
  pointer-events: none;
}

.card__media {
  display: block;
  aspect-ratio: 16/9;
  background: linear-gradient(155deg, #2f6df6 0%, #17141a 100%);
}

.card__body {
  padding: 8px 12px;
}

.card__title {
  margin: 0 0 4px;
  font-weight: 700;
  font-size: clamp(12px, 3.4vw, 14px);
  line-height: 1.3;
  font-family: inherit;
  color: #17141a;
}

.card__meta {
  margin: 0;
  font-weight: 500;
  font-size: clamp(11px, 3vw, 12px);
  line-height: 1.3;
  font-family: inherit;
  color: rgba(23, 20, 26, 0.6);
}

.card:active {
  transform: scale(0.98);
  filter: brightness(0.94);
}

.card:active::after {
  animation: ripple-wave 600ms ease-out;
}

.card:focus-visible {
  outline: 3px solid #2f6df6;
  outline-offset: 3px;
}

.card.is-demo {
  animation: tap-loop 2s ease-out infinite;
}

.card.is-demo::after {
  animation: ripple-loop 2s ease-out infinite;
}

@keyframes tap-loop {
  0%, 20% {
    transform: scale(1);
    filter: brightness(1);
  }
  50%, 70% {
    transform: scale(0.98);
    filter: brightness(0.94);
  }
  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}
@keyframes ripple-wave {
  0% {
    box-shadow: inset 0 0 0 0 rgba(47, 109, 246, 0.62), inset 0 0 0 0 rgba(47, 109, 246, 0.45);
    opacity: 1;
  }
  16% {
    box-shadow: inset 0 0 0 5px rgba(47, 109, 246, 0.62), inset 0 0 0 2px rgba(47, 109, 246, 0.45);
    opacity: 1;
  }
  48% {
    box-shadow: inset 0 0 0 8px rgba(47, 109, 246, 0.55), inset 0 0 0 5px rgba(47, 109, 246, 0.4);
    opacity: 1;
  }
  56% {
    box-shadow: inset 0 0 0 9px rgba(47, 109, 246, 0), inset 0 0 0 6px rgba(47, 109, 246, 0);
    opacity: 0;
  }
  100% {
    box-shadow: inset 0 0 0 9px rgba(47, 109, 246, 0), inset 0 0 0 6px rgba(47, 109, 246, 0);
    opacity: 0;
  }
}
@keyframes ripple-loop {
  0%, 40% {
    box-shadow: inset 0 0 0 0 rgba(47, 109, 246, 0.62), inset 0 0 0 0 rgba(47, 109, 246, 0.45);
    opacity: 1;
  }
  46% {
    box-shadow: inset 0 0 0 5px rgba(47, 109, 246, 0.62), inset 0 0 0 2px rgba(47, 109, 246, 0.45);
    opacity: 1;
  }
  62% {
    box-shadow: inset 0 0 0 8px rgba(47, 109, 246, 0.55), inset 0 0 0 5px rgba(47, 109, 246, 0.4);
    opacity: 1;
  }
  68% {
    box-shadow: inset 0 0 0 9px rgba(47, 109, 246, 0), inset 0 0 0 6px rgba(47, 109, 246, 0);
    opacity: 0;
  }
  74%, 100% {
    box-shadow: inset 0 0 0 9px rgba(47, 109, 246, 0), inset 0 0 0 6px rgba(47, 109, 246, 0);
    opacity: 0;
  }
}
@media (prefers-reduced-motion: reduce) {
  .card {
    transition: none;
  }
  .card::after {
    animation: none !important;
    opacity: 0;
  }
  .card.is-demo {
    animation: none;
  }
}

import type { CSSProperties, ReactNode } from "react";
import styles from "./TapScaleCard.module.scss";

export type TapScaleCardProps = {
  title: string;
  meta: string;
  duration?: number;
  easing?: string;
  media?: ReactNode;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string };

export default function TapScaleCard({
  title,
  meta,
  duration = 220,
  easing = "ease-out",
  media,
}: TapScaleCardProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing };
  return (
    <article className={styles.card} style={vars} tabIndex={0}>
      <span className={styles.media} aria-hidden="true">{media}</span>
      <div className={styles.body}>
        <h3 className={styles.title}>{title}</h3>
        <p className={styles.meta}>{meta}</p>
      </div>
    </article>
  );
}

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06カードタップのスケール+明るさ

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