02ロゴの無限ループ

<main class="stage">
  <div class="marquee">
    <p class="marquee__label">パートナー各社</p>
    <div class="marquee__row">
      <div class="marquee__track">
        <span class="marquee__logo">NORTH</span>
        <span class="marquee__logo">ACME</span>
        <span class="marquee__logo">ORBIT</span>
        <span class="marquee__logo">VELA</span>
        <span class="marquee__logo">KADE</span>
        <span class="marquee__logo" aria-hidden="true">NORTH</span>
        <span class="marquee__logo" aria-hidden="true">ACME</span>
        <span class="marquee__logo" aria-hidden="true">ORBIT</span>
        <span class="marquee__logo" aria-hidden="true">VELA</span>
        <span class="marquee__logo" aria-hidden="true">KADE</span>
      </div>
    </div>
  </div>
</main>

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

$duration: $dur-loop;
$easing: linear;
$color: $stage-ink;

@include stage($stage-yellow);

.marquee { width: min(340px, 88vw); display: grid; gap: 10px; justify-items: center; }
.marquee__label {
  margin: 0;
  font-weight: 700; font-size: clamp(11px, 3vw, 12px); line-height: 1; font-family: inherit;
  letter-spacing: .08em;
  color: rgba($color, .68);
  text-transform: uppercase;
}
.marquee__row { width: 100%; overflow: hidden; }
.marquee__track {
  display: flex;
  width: max-content;
  animation: logo-scroll $duration $easing infinite;
}
.marquee__logo {
  margin-right: 16px;   // 트랙의 gap 대신 — 세트 폭이 정확히 절반이 되어 -50% 이음새가 0px 이 된다
  flex-shrink: 0;
  display: grid;
  place-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: $r-pill;
  background: $stage-paper;
  color: $color;
  font-weight: 800; font-size: 13px; line-height: 1; font-family: inherit;
  letter-spacing: .04em;
  box-shadow: $shadow-press;
}

@keyframes logo-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; transform: translateX(0); }
}

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);
}

.marquee {
  width: min(340px, 88vw);
  display: grid;
  gap: 10px;
  justify-items: center;
}

.marquee__label {
  margin: 0;
  font-weight: 700;
  font-size: clamp(11px, 3vw, 12px);
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.08em;
  color: rgba(23, 20, 26, 0.68);
  text-transform: uppercase;
}

.marquee__row {
  width: 100%;
  overflow: hidden;
}

.marquee__track {
  display: flex;
  width: max-content;
  animation: logo-scroll 2s linear infinite;
}

.marquee__logo {
  margin-right: 16px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  height: 34px;
  padding: 0 16px;
  border-radius: 999px;
  background: #ffffff;
  color: #17141a;
  font-weight: 800;
  font-size: 13px;
  line-height: 1;
  font-family: inherit;
  letter-spacing: 0.04em;
  box-shadow: 0 6px 12px rgba(23, 20, 26, 0.32);
}

@keyframes logo-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track {
    animation: none;
    transform: translateX(0);
  }
}

import type { CSSProperties } from "react";
import styles from "./LogoMarquee.module.scss";

export type LogoMarqueeProps = {
  label?: string;
  logos?: string[];
  duration?: number;
  easing?: string;
  color?: string;
};

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

export default function LogoMarquee({
  label = "Partners",
  logos = ["NORTH", "ACME", "ORBIT", "VELA", "KADE"],
  duration = 12000,
  easing = "linear",
  color = "#17141a",
}: LogoMarqueeProps) {
  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };

  return (
    <div className={styles.marquee} style={vars}>
      <p className={styles.label}>{label}</p>
      <div className={styles.row}>
        <div className={styles.track}>
          {logos.map((l) => (
            <span key={l} className={styles.logo}>{l}</span>
          ))}
          {logos.map((l) => (
            <span key={"dup-" + l} className={styles.logo} aria-hidden="true">{l}</span>
          ))}
        </div>
      </div>
    </div>
  );
}