08言語ごとのURLと hreflang

/・/en/・/ja/ の3ノードをリンクの軌跡が互いを指して巡回するが、切れた一方向だけ赤い疑問符が浮かび、片方向リンクを捕まえる。

使いどころGoogleに英語版だけがインデックスされるとき、言語タブが404になるとき

hreflang 쌍언어별 URLreturn 링크

<main class="stage is-demo">
  <figure class="graph">
    <svg class="graph__svg" viewBox="0 0 400 250" role="img" aria-label="locale url graph">
      <path class="arc arc--base" d="M200 42 Q120 120 78 208" />
      <path class="arc arc--base" d="M200 42 Q280 120 322 208" />
      <path class="arc arc--link" d="M78 208 Q200 262 322 208" />
      <path class="arc arc--broken" d="M322 208 Q200 170 78 208" />
      <path class="arc arc--pulse" d="M78 208 Q120 120 200 42 Q280 120 322 208 Q200 262 78 208" />
      <text class="qmark" x="200" y="182">?</text>
      <g class="node">
        <rect x="166" y="26" width="68" height="32" rx="16" />
        <text x="200" y="47">/</text>
      </g>
      <g class="node">
        <rect x="46" y="192" width="64" height="32" rx="16" />
        <text x="78" y="213">/en/</text>
      </g>
      <g class="node">
        <rect x="290" y="192" width="64" height="32" rx="16" />
        <text x="322" y="213">/ja/</text>
      </g>
    </svg>
    <figcaption class="graph__note">hreflangなし</figcaption>
  </figure>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;      // 2s — 링크 순회 한 주기
$easing: $ease-out;
$color: $subject-blue;     // 정상 링크

@include stage($stage-paper);

.graph {
  position: relative;
  margin: 0;
  width: min(360px, 80vw);
}

.graph__svg { width: 100%; height: auto; display: block; }

.arc { fill: none; }
.arc--base { stroke: rgba($subject-ink, .22); stroke-width: 2; }
.arc--link { stroke: $color; stroke-width: 3; }
.arc--broken {
  stroke: $error;
  stroke-width: 2;
  stroke-dasharray: 6 6;
}
.arc--pulse {
  stroke: $color;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 18 900;
  stroke-dashoffset: 0;
  opacity: 0;
}

.qmark {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  fill: $error;
  text-anchor: middle;
  opacity: 0;
}

.node rect {
  fill: $subject-ink;
  rx: 16;
}

.node text {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  fill: #fff;
  text-anchor: middle;
}

.graph__note {
  position: absolute;
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  margin: 0;
  border-radius: $r-pill;
  background: $error-soft;
  color: $error;
  font-size: clamp(10px, 2.4vw, 13px);
  font-weight: 800;
  padding: $sp-1 $sp-3;
  opacity: 0;
}

// 링크 신호가 세 주소를 순회하고, 끊긴 돌아오는 길에서 물음표가 뜬다
.stage.is-demo .arc--pulse { animation: pulse-run $duration linear infinite; }
.stage.is-demo .arc--broken { animation: broken-blink $duration $easing infinite; }
.stage.is-demo .qmark { animation: q-pop $duration $ease-pop infinite; }
.stage.is-demo .graph__note { animation: note-pop $duration $ease-pop infinite; }

@keyframes pulse-run {
  0%   { opacity: 1; stroke-dashoffset: 918; }
  88%  { opacity: 1; stroke-dashoffset: 0; }
  94%, 100% { opacity: 0; stroke-dashoffset: 0; }
}
@keyframes broken-blink {
  0%, 56% { opacity: .45; }
  64%     { opacity: 1; }
  72%     { opacity: .45; }
  80%     { opacity: 1; }
  88%, 100% { opacity: .8; }
}
@keyframes q-pop {
  0%, 56% { opacity: 0; transform: scale(.4); transform-origin: 200px 182px; } // 규칙8: SVG 좌표로 글자 중심 지정
  66%     { opacity: 1; transform: scale(1.25); transform-origin: 200px 182px; } // 규칙8: SVG 좌표로 글자 중심 지정
  72%, 94%{ opacity: 1; transform: scale(1); transform-origin: 200px 182px; } // 규칙8: SVG 좌표로 글자 중심 지정
  100%    { opacity: 0; transform: scale(.5); transform-origin: 200px 182px; } // 규칙8: SVG 좌표로 글자 중심 지정
}
@keyframes note-pop {
  0%, 60% { opacity: 0; transform: translate(-50%, -36%) scale(.6); }
  70%     { opacity: 1; transform: translate(-50%, -50%) scale(1.12); }
  76%, 94%{ opacity: 1; transform: translate(-50%, -50%) scale(1); }
  100%    { opacity: 0; transform: translate(-50%, -36%) scale(.6); }
}

@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .arc--pulse,
  .stage.is-demo .arc--broken,
  .stage.is-demo .qmark,
  .stage.is-demo .graph__note { animation: none; }
  .arc--pulse { opacity: 0; }
  .arc--broken { opacity: .8; }
  .qmark { opacity: 1; }
  .graph__note { opacity: 1; transform: translate(-50%, -50%); }
}

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

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

.graph {
  position: relative;
  margin: 0;
  width: min(360px, 80vw);
}

.graph__svg {
  width: 100%;
  height: auto;
  display: block;
}

.arc {
  fill: none;
}

.arc--base {
  stroke: rgba(23, 20, 26, 0.22);
  stroke-width: 2;
}

.arc--link {
  stroke: #2f6df6;
  stroke-width: 3;
}

.arc--broken {
  stroke: #c2361a;
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.arc--pulse {
  stroke: #2f6df6;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 18 900;
  stroke-dashoffset: 0;
  opacity: 0;
}

.qmark {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 20px;
  font-weight: 700;
  fill: #c2361a;
  text-anchor: middle;
  opacity: 0;
}

.node rect {
  fill: #17141a;
  rx: 16;
}

.node text {
  font-family: ui-monospace, "Cascadia Mono", Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  fill: #fff;
  text-anchor: middle;
}

.graph__note {
  position: absolute;
  left: 50%;
  top: 55%;
  transform: translate(-50%, -50%);
  margin: 0;
  border-radius: 999px;
  background: #ffe0d8;
  color: #c2361a;
  font-size: clamp(10px, 2.4vw, 13px);
  font-weight: 800;
  padding: 4px 12px;
  opacity: 0;
}

.stage.is-demo .arc--pulse {
  animation: pulse-run 2s linear infinite;
}

.stage.is-demo .arc--broken {
  animation: broken-blink 2s ease-out infinite;
}

.stage.is-demo .qmark {
  animation: q-pop 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

.stage.is-demo .graph__note {
  animation: note-pop 2s cubic-bezier(0.2, 1.4, 0.4, 1) infinite;
}

@keyframes pulse-run {
  0% {
    opacity: 1;
    stroke-dashoffset: 918;
  }
  88% {
    opacity: 1;
    stroke-dashoffset: 0;
  }
  94%, 100% {
    opacity: 0;
    stroke-dashoffset: 0;
  }
}
@keyframes broken-blink {
  0%, 56% {
    opacity: 0.45;
  }
  64% {
    opacity: 1;
  }
  72% {
    opacity: 0.45;
  }
  80% {
    opacity: 1;
  }
  88%, 100% {
    opacity: 0.8;
  }
}
@keyframes q-pop {
  0%, 56% {
    opacity: 0;
    transform: scale(0.4);
    transform-origin: 200px 182px;
  }
  66% {
    opacity: 1;
    transform: scale(1.25);
    transform-origin: 200px 182px;
  }
  72%, 94% {
    opacity: 1;
    transform: scale(1);
    transform-origin: 200px 182px;
  }
  100% {
    opacity: 0;
    transform: scale(0.5);
    transform-origin: 200px 182px;
  }
}
@keyframes note-pop {
  0%, 60% {
    opacity: 0;
    transform: translate(-50%, -36%) scale(0.6);
  }
  70% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.12);
  }
  76%, 94% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -36%) scale(0.6);
  }
}
@media (prefers-reduced-motion: reduce) {
  .stage.is-demo .arc--pulse,
  .stage.is-demo .arc--broken,
  .stage.is-demo .qmark,
  .stage.is-demo .graph__note {
    animation: none;
  }
  .arc--pulse {
    opacity: 0;
  }
  .arc--broken {
    opacity: 0.8;
  }
  .qmark {
    opacity: 1;
  }
  .graph__note {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}

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

export type LocaleUrlGraphProps = {
  duration?: number;
  easing?: string;
  color?: string;
  note?: string;
};

export default function LocaleUrlGraph({
  duration = 2000,
  easing = "ease-out",
  color = "#2f6df6",
  note = "hreflang 없음",
}: LocaleUrlGraphProps) {
  const vars: CSSProperties = { "--duration": `${duration}ms`, "--easing": easing, "--color": color } as CSSProperties;
  return (
    <div className={styles.stage} style={vars} aria-label="언어별 주소와 hreflang 데모" role="img">
      <figure className={styles.graph}>
        <svg className={styles.svg} viewBox="0 0 400 250" role="img" aria-label="locale url graph">
          <path className={styles.arcBase} d="M200 42 Q120 120 78 208" />
          <path className={styles.arcBase} d="M200 42 Q280 120 322 208" />
          <path className={styles.arcLink} d="M78 208 Q200 262 322 208" />
          <path className={styles.arcBroken} d="M322 208 Q200 170 78 208" />
          <path className={styles.arcPulse} d="M78 208 Q120 120 200 42 Q280 120 322 208 Q200 262 78 208" />
          <text className={styles.qmark} x="200" y="182">?</text>
          <g>
            <rect className={styles.nodeRect} x="166" y="26" width="68" height="32" rx="16" />
            <text className={styles.nodeTxt} x="200" y="47">/</text>
          </g>
          <g>
            <rect className={styles.nodeRect} x="46" y="192" width="64" height="32" rx="16" />
            <text className={styles.nodeTxt} x="78" y="213">/en/</text>
          </g>
          <g>
            <rect className={styles.nodeRect} x="290" y="192" width="64" height="32" rx="16" />
            <text className={styles.nodeTxt} x="322" y="213">/ja/</text>
          </g>
        </svg>
        <figcaption className={styles.graphNote}>{note}</figcaption>
      </figure>
    </div>
  );
}

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08言語ごとのURLと hreflang

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