02リードマグネット資料カード

<main class="stage is-demo">
  <form class="lm" id="lm" novalidate>
    <p class="lm__title">スタートガイドを無料で受け取る</p>
    <p class="lm__file">
      <span class="lm__file-ic" aria-hidden="true"><svg viewBox="0 0 256 256" width="16" height="16"><g fill="currentColor"><path d="M208 88h-56V32Z" opacity=".2"/><path d="M224 152a8 8 0 0 1-8 8h-24v16h16a8 8 0 0 1 0 16h-16v16a8 8 0 0 1-16 0v-56a8 8 0 0 1 8-8h32a8 8 0 0 1 8 8M92 172a28 28 0 0 1-28 28h-8v8a8 8 0 0 1-16 0v-56a8 8 0 0 1 8-8h16a28 28 0 0 1 28 28m-16 0a12 12 0 0 0-12-12h-8v24h8a12 12 0 0 0 12-12m88 8a36 36 0 0 1-36 36h-16a8 8 0 0 1-8-8v-56a8 8 0 0 1 8-8h16a36 36 0 0 1 36 36m-16 0a20 20 0 0 0-20-20h-8v40h8a20 20 0 0 0 20-20M40 112V40a16 16 0 0 1 16-16h96a8 8 0 0 1 5.66 2.34l56 56A8 8 0 0 1 216 88v24a8 8 0 0 1-16 0V96h-48a8 8 0 0 1-8-8V40H56v72a8 8 0 0 1-16 0m120-32h28.69L160 51.31Z"/></g></svg></span>
      vibe-start-guide.pdf · 2.4MB
    </p>
    <label class="lm__lab" for="lm-email">メールアドレス</label>
    <input class="lm__in" id="lm-email" type="email" placeholder="[email protected]" autocomplete="email">
    <label class="lm__agree" for="lm-ok">
      <input class="lm__cb" id="lm-ok" type="checkbox">
      <span>アップデートのお知らせも受け取る（いつでも解除できます）</span>
    </label>
    <button class="lm__btn" id="lm-btn" type="submit">
      <span class="lm__prog" aria-hidden="true"></span>
      <span class="lm__btn-t">
        <span class="lm__btn-ic" aria-hidden="true"><svg viewBox="0 0 256 256" width="16" height="16"><g fill="currentColor"><path d="M216 48v160H40V48a16 16 0 0 1 16-16h144a16 16 0 0 1 16 16" opacity=".2"/><path d="M224 144v64a8 8 0 0 1-8 8H40a8 8 0 0 1-8-8v-64a8 8 0 0 1 16 0v56h160v-56a8 8 0 0 1 16 0m-101.66 5.66a8 8 0 0 0 11.32 0l40-40a8 8 0 0 0-11.32-11.32L136 124.69V32a8 8 0 0 0-16 0v92.69L93.66 98.34a8 8 0 0 0-11.32 11.32Z"/></g></svg></span>
        受け取る
      </span>
    </button>
    <p class="lm__msg" id="lm-msg" role="status" aria-live="polite">メールアドレスを入れるだけで受け取れます</p>
    <a class="lm__chip" id="lm-chip" href="data:text/plain,vibe-start-guide%20sample" download="vibe-start-guide.txt">
      <span class="lm__chip-ic" aria-hidden="true"><svg viewBox="0 0 256 256" width="16" height="16"><g fill="currentColor"><path d="M216 96v112a8 8 0 0 1-8 8H48a8 8 0 0 1-8-8V96a8 8 0 0 1 8-8h160a8 8 0 0 1 8 8" opacity=".2"/><path d="M208 80H96V56a32 32 0 0 1 32-32c15.37 0 29.2 11 32.16 25.59a8 8 0 0 0 15.68-3.18C171.32 24.15 151.2 8 128 8a48.05 48.05 0 0 0-48 48v24H48a16 16 0 0 0-16 16v112a16 16 0 0 0 16 16h160a16 16 0 0 0 16-16V96a16 16 0 0 0-16-16m0 128H48V96h160z"/></g></svg></span>
      ダウンロード可能 — タップで保存
    </a>
  </form>
</main>

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

// ── 변수 3개 ──────────────────────────────────────────
$duration: $dur-loop;
$easing: $ease-pop;
$color: $subject-blue;

@include stage($stage-yellow);

.lm {
  box-sizing: border-box; position: relative; width: min(320px, 94vw);
  display: flex; flex-direction: column; gap: $sp-2;
  background: $stage-paper; color: $subject-ink;
  border-radius: $r-card; padding: $sp-3; box-shadow: $shadow-raised;
}

.lm__title { margin: 0; font-weight: 800; font-size: 14px; line-height: 1.3; }

.lm__file {
  display: flex; align-items: center; gap: $sp-1; margin: 0;
  padding: $sp-1 $sp-2; border-radius: $r-xs;
  background: rgba($color, .1); color: $subject-blue-deep;   // 연파랑 면 위 파란 글자 3.96:1 → deep 5.58:1
  font-weight: 700; font-size: 11px; line-height: 1.2;
}
.lm__file-ic { display: inline-flex; }

.lm__lab { font-weight: 700; font-size: 10px; line-height: 1.2; color: rgba(23, 20, 26, .62); }

.lm__in {
  padding: $sp-2 $sp-3;
  border: 1.5px solid rgba(23, 20, 26, .16); border-radius: $r-sm;
  font-weight: 500; font-size: 12px; line-height: 1.2; color: $subject-ink;
}
.lm__in:focus-visible { outline: 2px solid $color; outline-offset: 1px; }
.lm__in.is-shake { animation-name: lm-shake; animation-duration: $dur-base; animation-timing-function: $ease-out; }
@keyframes lm-shake {
  0%, 100% { transform: translateX(0); }
  25%      { transform: translateX(-5px); }
  75%      { transform: translateX(5px); }
}

.lm__agree {
  display: flex; align-items: center; gap: $sp-1;
  font-weight: 500; font-size: 10px; line-height: 1.3; color: rgba(23, 20, 26, .72);
}
.lm__cb { width: 14px; height: 14px; margin: 0; accent-color: $color; }

.lm__btn {
  position: relative; overflow: hidden;
  padding: $sp-2 $sp-3; border: 0; border-radius: $r-control;
  background: $color; color: $stage-paper;
  font-weight: 800; font-size: 12px; line-height: 1.2; cursor: pointer;
}
.lm__btn-t { position: relative; display: inline-flex; align-items: center; justify-content: center; gap: $sp-1; }
.lm__btn-ic { display: inline-flex; }
.lm__btn[disabled] { cursor: progress; }

// 진행 막대 — 폭이 아니라 scaleX 라 레이아웃을 다시 계산하지 않는다
.lm__prog {
  position: absolute; inset: 0; background: rgba(255, 255, 255, .34);
  transform: scaleX(0); transform-origin: left center; // 규칙8: 좌변서 차오름
}
.lm.is-busy .lm__prog {
  animation-name: lm-fill; animation-duration: 900ms;
  animation-timing-function: $ease-out; animation-fill-mode: forwards;
}
@keyframes lm-fill {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.lm__msg { margin: 0; min-height: 13px; font-weight: 500; font-size: 10px; line-height: 1.3; color: rgba(23, 20, 26, .6); }

.lm__chip {
  display: flex; align-items: center; gap: $sp-1;
  padding: $sp-1 $sp-2; border-radius: $r-pill;
  background: rgba($subject-mint, .22); color: $subject-ink;
  font-weight: 800; font-size: 11px; line-height: 1.3; text-decoration: none;
  opacity: 0; transform: translateY(10px); pointer-events: none;
  transition: opacity $dur-quick $ease-out, transform $dur-base $easing;
}
.lm__chip-ic { display: inline-flex; color: $subject-mint; }
.lm.is-done .lm__chip { opacity: 1; transform: translateY(0); pointer-events: auto; }

// ── 측정용 자동 루프 ────────────────────────────────
// 막대가 차고(scaleX) → 칩이 한 번 올라와 앉는다. 칩이 사라지는 장면은 재현하지 않는다(퇴장은 루프 밖 첫 프레임에만).
.stage.is-demo .lm__prog {
  animation-name: lm-loop-fill; animation-duration: $duration;
  animation-timing-function: $ease-out; animation-iteration-count: infinite;
}
@keyframes lm-loop-fill {
  0%     { transform: scaleX(0); }
  38%    { transform: scaleX(1); }
  86%    { transform: scaleX(1); }
  86.01% { transform: scaleX(0); }
  100%   { transform: scaleX(0); }
}
.stage.is-demo .lm__chip {
  animation-name: lm-loop-chip; animation-duration: $duration;
  animation-timing-function: $easing; animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}
@keyframes lm-loop-chip {
  0%, 40% { opacity: 0; transform: translateY(10px); }
  40.01%  { opacity: 1; transform: translateY(10px); }
  60%     { opacity: 1; transform: translateY(0); }
  100%    { opacity: 1; transform: translateY(0); }
}
// 루프 중에는 입력칸 안내글자를 숨긴다 — 겹쳐 읽히는 글자를 만들지 않는다
.stage.is-demo .lm__in::placeholder { color: transparent; }

// ── 접근성 ──────────────────────────────────────────
@media (prefers-reduced-motion: reduce) {
  .lm__in.is-shake, .lm.is-busy .lm__prog, .stage.is-demo .lm__prog, .stage.is-demo .lm__chip, .lm__chip {
    animation: none !important;
    transition: none !important;
  }
  .stage.is-demo .lm__prog { transform: scaleX(1) !important; }
  .stage.is-demo .lm__chip { opacity: 1 !important; transform: translateY(0) !important; }
}

// ── 반응형(320×200) ──────────────────────────────────
@media (max-width: 340px), (max-height: 220px) {
  .lm { width: min(288px, 92vw); gap: $sp-1; padding: $sp-2; }
  .lm__title { font-size: 12px; }
  .lm__file { padding: 0 $sp-1; font-size: 9px; }
  .lm__file-ic svg { width: 12px; height: 12px; }
  .lm__lab { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
  .lm__in { padding: $sp-1 $sp-2; font-size: 10px; }
  .lm__agree { font-size: 9px; }
  .lm__cb { width: 12px; height: 12px; }
  .lm__btn { padding: $sp-1 $sp-2; font-size: 10px; }
  .lm__btn-ic svg { width: 12px; height: 12px; }
  .lm__msg { min-height: 0; font-size: 9px; }
  .lm__chip { padding: 0 $sp-1; font-size: 9px; }
  .lm__chip-ic svg { width: 12px; height: 12px; }
}

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);
}

.lm {
  box-sizing: border-box;
  position: relative;
  width: min(320px, 94vw);
  display: flex;
  flex-direction: column;
  gap: 8px;
  background: #ffffff;
  color: #17141a;
  border-radius: 16px;
  padding: 12px;
  box-shadow: 0 14px 24px rgba(23, 20, 26, 0.32);
}

.lm__title {
  margin: 0;
  font-weight: 800;
  font-size: 14px;
  line-height: 1.3;
}

.lm__file {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 4px 8px;
  border-radius: 4px;
  background: rgba(47, 109, 246, 0.1);
  color: #0a4fe8;
  font-weight: 700;
  font-size: 11px;
  line-height: 1.2;
}

.lm__file-ic {
  display: inline-flex;
}

.lm__lab {
  font-weight: 700;
  font-size: 10px;
  line-height: 1.2;
  color: rgba(23, 20, 26, 0.62);
}

.lm__in {
  padding: 8px 12px;
  border: 1.5px solid rgba(23, 20, 26, 0.16);
  border-radius: 8px;
  font-weight: 500;
  font-size: 12px;
  line-height: 1.2;
  color: #17141a;
}

.lm__in:focus-visible {
  outline: 2px solid #2f6df6;
  outline-offset: 1px;
}

.lm__in.is-shake {
  animation-name: lm-shake;
  animation-duration: 300ms;
  animation-timing-function: ease-out;
}

@keyframes lm-shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  75% {
    transform: translateX(5px);
  }
}
.lm__agree {
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
  font-size: 10px;
  line-height: 1.3;
  color: rgba(23, 20, 26, 0.72);
}

.lm__cb {
  width: 14px;
  height: 14px;
  margin: 0;
  accent-color: #2f6df6;
}

.lm__btn {
  position: relative;
  overflow: hidden;
  padding: 8px 12px;
  border: 0;
  border-radius: 12px;
  background: #2f6df6;
  color: #ffffff;
  font-weight: 800;
  font-size: 12px;
  line-height: 1.2;
  cursor: pointer;
}

.lm__btn-t {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
}

.lm__btn-ic {
  display: inline-flex;
}

.lm__btn[disabled] {
  cursor: progress;
}

.lm__prog {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.34);
  transform: scaleX(0);
  transform-origin: left center;
}

.lm.is-busy .lm__prog {
  animation-name: lm-fill;
  animation-duration: 900ms;
  animation-timing-function: ease-out;
  animation-fill-mode: forwards;
}

@keyframes lm-fill {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}
.lm__msg {
  margin: 0;
  min-height: 13px;
  font-weight: 500;
  font-size: 10px;
  line-height: 1.3;
  color: rgba(23, 20, 26, 0.6);
}

.lm__chip {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 8px;
  border-radius: 999px;
  background: rgba(76, 212, 166, 0.22);
  color: #17141a;
  font-weight: 800;
  font-size: 11px;
  line-height: 1.3;
  text-decoration: none;
  opacity: 0;
  transform: translateY(10px);
  pointer-events: none;
  transition: opacity 220ms ease-out, transform 300ms cubic-bezier(0.2, 1.4, 0.4, 1);
}

.lm__chip-ic {
  display: inline-flex;
  color: #4cd4a6;
}

.lm.is-done .lm__chip {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.stage.is-demo .lm__prog {
  animation-name: lm-loop-fill;
  animation-duration: 2s;
  animation-timing-function: ease-out;
  animation-iteration-count: infinite;
}

@keyframes lm-loop-fill {
  0% {
    transform: scaleX(0);
  }
  38% {
    transform: scaleX(1);
  }
  86% {
    transform: scaleX(1);
  }
  86.01% {
    transform: scaleX(0);
  }
  100% {
    transform: scaleX(0);
  }
}
.stage.is-demo .lm__chip {
  animation-name: lm-loop-chip;
  animation-duration: 2s;
  animation-timing-function: cubic-bezier(0.2, 1.4, 0.4, 1);
  animation-iteration-count: infinite;
  animation-fill-mode: backwards;
}

@keyframes lm-loop-chip {
  0%, 40% {
    opacity: 0;
    transform: translateY(10px);
  }
  40.01% {
    opacity: 1;
    transform: translateY(10px);
  }
  60% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
.stage.is-demo .lm__in::placeholder {
  color: transparent;
}

@media (prefers-reduced-motion: reduce) {
  .lm__in.is-shake, .lm.is-busy .lm__prog, .stage.is-demo .lm__prog, .stage.is-demo .lm__chip, .lm__chip {
    animation: none !important;
    transition: none !important;
  }
  .stage.is-demo .lm__prog {
    transform: scaleX(1) !important;
  }
  .stage.is-demo .lm__chip {
    opacity: 1 !important;
    transform: translateY(0) !important;
  }
}
@media (max-width: 340px), (max-height: 220px) {
  .lm {
    width: min(288px, 92vw);
    gap: 4px;
    padding: 8px;
  }
  .lm__title {
    font-size: 12px;
  }
  .lm__file {
    padding: 0 4px;
    font-size: 9px;
  }
  .lm__file-ic svg {
    width: 12px;
    height: 12px;
  }
  .lm__lab {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
  }
  .lm__in {
    padding: 4px 8px;
    font-size: 10px;
  }
  .lm__agree {
    font-size: 9px;
  }
  .lm__cb {
    width: 12px;
    height: 12px;
  }
  .lm__btn {
    padding: 4px 8px;
    font-size: 10px;
  }
  .lm__btn-ic svg {
    width: 12px;
    height: 12px;
  }
  .lm__msg {
    min-height: 0;
    font-size: 9px;
  }
  .lm__chip {
    padding: 0 4px;
    font-size: 9px;
  }
  .lm__chip-ic svg {
    width: 12px;
    height: 12px;
  }
}

// 실제 동작: 이메일 정규식과 동의 칸을 함께 보고, 통과하면 버튼을 aria-busy 로 잠근 뒤 진행 막대를 900ms 채우고
// 다운로드 칩을 띄운다. 한 번 받은 사람은 localStorage 에 남겨 다음 방문에 곧장 완료 상태로 연다.
var stage = document.querySelector('.stage');
var form = document.getElementById('lm');
var input = document.getElementById('lm-email');
var agree = document.getElementById('lm-ok');
var btn = document.getElementById('lm-btn');
var msg = document.getElementById('lm-msg');
var EMAIL_RE = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
function human() { stage.classList.remove('is-demo'); }
function finish() {
  form.classList.add('is-done');
  msg.textContent = '資料の準備ができました。下から受け取ってください';
}
try { if (localStorage.getItem('lead271')) finish(); } catch (e) { /* iframe 이 저장소를 막으면 처음 받는 사람과 똑같이 논다 */ }
form.addEventListener('submit', function (e) {
  e.preventDefault();
  human();
  if (!EMAIL_RE.test(input.value) || !agree.checked) {
    input.classList.remove('is-shake');
    void input.offsetWidth;
    input.classList.add('is-shake');
    msg.textContent = 'メールアドレスと同意欄をご確認ください';
    return;
  }
  btn.disabled = true;
  btn.setAttribute('aria-busy', 'true');
  form.classList.add('is-busy');
  msg.textContent = 'ファイルを準備しています';
  setTimeout(function () {
    form.classList.remove('is-busy');
    btn.disabled = false;
    btn.removeAttribute('aria-busy');
    try { localStorage.setItem('lead271', '1'); } catch (e2) { /* 저장 실패해도 이번 화면은 완료로 간다 */ }
    finish();
  }, 900);
});
stage.addEventListener('pointerdown', human, { once: true });
window.addEventListener('keydown', human, { once: true });

import { useEffect, useState } from "react";
import type { CSSProperties } from "react";
import styles from "./LeadMagnetDownload.module.scss";

export type LeadMagnetDownloadProps = {
  /** 격자 미리보기용 루프 길이(ms) */
  duration?: number;
  easing?: string;
  color?: string;
};

type Vars = CSSProperties & { "--duration"?: string; "--easing"?: string; "--color"?: string };
type FormEvt = { preventDefault(): void };
type InputEvt = { target: { value: string } };
type CheckEvt = { target: { checked: boolean } };

const emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
const storageKey = "lead271";

function FilePdf() {
  return (
    <svg viewBox="0 0 256 256" width="16" height="16" aria-hidden="true">
      <g fill="currentColor">
        <path d="M208 88h-56V32Z" opacity=".2" />
        <path d="M224 152a8 8 0 0 1-8 8h-24v16h16a8 8 0 0 1 0 16h-16v16a8 8 0 0 1-16 0v-56a8 8 0 0 1 8-8h32a8 8 0 0 1 8 8M92 172a28 28 0 0 1-28 28h-8v8a8 8 0 0 1-16 0v-56a8 8 0 0 1 8-8h16a28 28 0 0 1 28 28m-16 0a12 12 0 0 0-12-12h-8v24h8a12 12 0 0 0 12-12m88 8a36 36 0 0 1-36 36h-16a8 8 0 0 1-8-8v-56a8 8 0 0 1 8-8h16a36 36 0 0 1 36 36m-16 0a20 20 0 0 0-20-20h-8v40h8a20 20 0 0 0 20-20M40 112V40a16 16 0 0 1 16-16h96a8 8 0 0 1 5.66 2.34l56 56A8 8 0 0 1 216 88v24a8 8 0 0 1-16 0V96h-48a8 8 0 0 1-8-8V40H56v72a8 8 0 0 1-16 0m120-32h28.69L160 51.31Z" />
      </g>
    </svg>
  );
}

function DownloadSimple() {
  return (
    <svg viewBox="0 0 256 256" width="16" height="16" aria-hidden="true">
      <g fill="currentColor">
        <path d="M216 48v160H40V48a16 16 0 0 1 16-16h144a16 16 0 0 1 16 16" opacity=".2" />
        <path d="M224 144v64a8 8 0 0 1-8 8H40a8 8 0 0 1-8-8v-64a8 8 0 0 1 16 0v56h160v-56a8 8 0 0 1 16 0m-101.66 5.66a8 8 0 0 0 11.32 0l40-40a8 8 0 0 0-11.32-11.32L136 124.69V32a8 8 0 0 0-16 0v92.69L93.66 98.34a8 8 0 0 0-11.32 11.32Z" />
      </g>
    </svg>
  );
}

function LockSimpleOpen() {
  return (
    <svg viewBox="0 0 256 256" width="16" height="16" aria-hidden="true">
      <g fill="currentColor">
        <path d="M216 96v112a8 8 0 0 1-8 8H48a8 8 0 0 1-8-8V96a8 8 0 0 1 8-8h160a8 8 0 0 1 8 8" opacity=".2" />
        <path d="M208 80H96V56a32 32 0 0 1 32-32c15.37 0 29.2 11 32.16 25.59a8 8 0 0 0 15.68-3.18C171.32 24.15 151.2 8 128 8a48.05 48.05 0 0 0-48 48v24H48a16 16 0 0 0-16 16v112a16 16 0 0 0 16 16h160a16 16 0 0 0 16-16V96a16 16 0 0 0-16-16m0 128H48V96h160z" />
      </g>
    </svg>
  );
}

export default function LeadMagnetDownload({
  duration = 2000,
  easing = "cubic-bezier(.2,1.4,.4,1)",
  color = "#2f6df6",
}: LeadMagnetDownloadProps) {
  const [email, setEmail] = useState("");
  const [agreed, setAgreed] = useState(false);
  const [busy, setBusy] = useState(false);
  const [done, setDone] = useState(false);
  const [shake, setShake] = useState(false);
  const [msg, setMsg] = useState("이메일만 넣으면 바로 받을 수 있어요");
  const [loop, setLoop] = useState(true);

  // 한 번 받은 사람은 localStorage 에 남겨 다음 방문에 곧장 완료 상태로 연다
  useEffect(() => {
    try {
      if (localStorage.getItem(storageKey)) {
        setDone(true);
        setMsg("자료가 준비됐어요. 아래에서 받으세요");
      }
    } catch {
      // iframe 이 저장소를 막으면 처음 받는 사람과 똑같이 논다
    }
  }, []);

  function onSubmit(e: FormEvt) {
    e.preventDefault();
    setLoop(false);
    if (!emailPattern.test(email) || !agreed) {
      setShake(false);
      requestAnimationFrame(() => setShake(true));
      setMsg("이메일과 동의 칸을 확인해 주세요");
      return;
    }
    setBusy(true);
    setMsg("파일을 준비하고 있어요");
    setTimeout(() => {
      setBusy(false);
      try {
        localStorage.setItem(storageKey, "1");
      } catch {
        // 저장 실패해도 이번 화면은 완료로 간다
      }
      setDone(true);
      setMsg("자료가 준비됐어요. 아래에서 받으세요");
    }, 900);
  }

  const vars: Vars = { "--duration": `${duration}ms`, "--easing": easing, "--color": color };
  const cls = [styles.lm, loop ? styles["is-demo"] : "", busy ? styles["is-busy"] : "", done ? styles["is-done"] : ""]
    .filter(Boolean)
    .join(" ");

  return (
    <form className={cls} style={vars} onSubmit={onSubmit} onPointerDown={() => setLoop(false)} noValidate>
      <p className={styles.lm__title}>시작 가이드 무료로 받기</p>
      <p className={styles.lm__file}>
        <span className={styles["lm__file-ic"]} aria-hidden="true"><FilePdf /></span>
        vibe-start-guide.pdf · 2.4MB
      </p>
      <label className={styles.lm__lab} htmlFor="lm-email-r">이메일 주소</label>
      <input
        className={[styles.lm__in, shake ? styles["is-shake"] : ""].filter(Boolean).join(" ")}
        id="lm-email-r"
        type="email"
        placeholder="[email protected]"
        autoComplete="email"
        value={email}
        onChange={(e: InputEvt) => setEmail(e.target.value)}
        onAnimationEnd={() => setShake(false)}
      />
      <label className={styles.lm__agree} htmlFor="lm-ok-r">
        <input
          className={styles.lm__cb}
          id="lm-ok-r"
          type="checkbox"
          checked={agreed}
          onChange={(e: CheckEvt) => setAgreed(e.target.checked)}
        />
        <span>업데이트 소식도 받을게요 (언제든 해지)</span>
      </label>
      <button className={styles.lm__btn} type="submit" disabled={busy} aria-busy={busy}>
        <span className={styles.lm__prog} aria-hidden="true" />
        <span className={styles["lm__btn-t"]}>
          <span className={styles["lm__btn-ic"]} aria-hidden="true"><DownloadSimple /></span>
          자료 받기
        </span>
      </button>
      <p className={styles.lm__msg} role="status" aria-live="polite">{msg}</p>
      <a
        className={styles.lm__chip}
        href="data:text/plain,vibe-start-guide%20sample"
        download="vibe-start-guide.txt"
      >
        <span className={styles["lm__chip-ic"]} aria-hidden="true"><LockSimpleOpen /></span>
        다운로드 준비됨 — 눌러서 받기
      </a>
    </form>
  );
}