body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: #111;
  background: #ffffff;
}

/* ------------------------------ */
/* 박스 사이징 통일(버튼 넘침 방지) */
/* ------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 18px;
}

.hero {
  background: #111;
  color: #fff;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.icon {
  width: 64px;
  height: 64px;
}

h1 {
  margin: 0;
  font-size: 26px;
}

.tagline {
  margin: 8px 0 0 0;
  line-height: 1.5;
  opacity: 0.92;
}

.en {
  opacity: 0.95;
  font-size: 16px;
}

.cta {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

button {
  border: 1px solid rgba(255,255,255,0.35);
  background: transparent;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
}

button.primary {
  background: #fff;
  color: #111;
  border: 1px solid rgba(255,255,255,0.6);
}

.meta {
  margin-top: 14px;
  opacity: 0.85;
  line-height: 1.5;
  font-size: 13px;
}

.section {
  margin-top: 24px;
}

.section h2 {
  margin: 0 0 10px 0;
  font-size: 20px;
}

ul {
  margin: 0;
  padding-left: 18px;
}

li {
  margin-bottom: 12px;
  line-height: 1.55;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  align-items: stretch;
}

.plan {
  border: 1px solid rgba(0,0,0,0.12);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
}

.plan h3 {
  margin: 0 0 8px 0;
}

/* ------------------------------ */
/* 플랜 카드 문장 간격(줄간격/문단간격) 조정 */
/* ------------------------------ */
.plan p {
  margin: 6px 0;
  line-height: 1.45;
}

.plan p.en {
  margin-top: 4px;
  margin-bottom: 10px;
  line-height: 1.35;
}

/* ------------------------------ */
/* Free 플랜: 지금 설치 버튼 */
/* ------------------------------ */
.plan .install-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;

  width: 100%;
  padding: 12px 14px;
  margin-top: auto;

  border: 1px solid rgba(0,0,0,0.20);
  background: #ffffff;
  color: #111111;

  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;

  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.plan .install-btn:hover {
  background: #2E8E74;
  color: #ffffff;
  border-color: #2E8E74;
}

.plan .install-btn:focus-visible {
  outline: 2px solid rgba(46, 142, 116, 0.45);
  outline-offset: 3px;
}

.plan .install-btn .btn-ko {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.plan .install-btn .btn-en {
  font-size: 12px;
  font-weight: 600;
  opacity: 0.85;
  margin-top: 4px;
  line-height: 1.2;
}

/* ------------------------------ */
/* 혜택 체크 리스트 */
/* 테두리 제거, 음영 제거, 체크만 지정 색상 적용 */
/* ------------------------------ */
.perk-list {
  list-style: none;
  padding: 0;
  margin: 14px 0 12px;
  display: grid;
  gap: 12px;
  flex: 1;
}

/* 전역 li { margin-bottom: 12px; } 영향 제거 + 테두리/배경 제거 */
.perk-list li {
  margin-bottom: 0;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 0;
  border: none;
  background: transparent;
  border-radius: 0;
  line-height: 1.25;
}

/* 체크 기호 색상 */
.perk-list .check {
  color: #2E8E74;
  font-weight: 800;
  font-size: 18px;
  line-height: 1;
  margin-top: 2px;
}

.perk-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.perk-en {
  font-size: 13px;
  opacity: 0.80;
}

/* ------------------------------ */
/* Upgrade now 버튼: 오버 시 지정 색상 */
/* ------------------------------ */
.plan .upgrade-btn {
  width: 100%;
  padding: 12px 14px;
  margin-top: auto;

  border: 1px solid rgba(0,0,0,0.20);
  background: #ffffff;
  color: #111111;

  border-radius: 10px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.plan .upgrade-btn:hover {
  background: #2E8E74;
  color: #ffffff;
  border-color: #2E8E74;
}

.plan .upgrade-btn:focus-visible {
  outline: 2px solid rgba(46, 142, 116, 0.45);
  outline-offset: 3px;
}

.plan .upgrade-btn.selected {
  background: #2E8E74;
  color: #ffffff;
  border-color: #2E8E74;
}


/* ------------------------------ */
/* Plus: 서비스 약관 및 정책 보기 링크 버튼 */
/* ------------------------------ */
.plan .policy-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 12px 14px;
  margin-top: 10px;

  border: 1px solid rgba(0,0,0,0.20);
  background: #ffffff;
  color: #111111;

  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;

  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.plan .policy-btn:hover {
  background: #2E8E74;
  color: #ffffff;
  border-color: #2E8E74;
}

.plan .policy-btn:focus-visible {
  outline: 2px solid rgba(46, 142, 116, 0.45);
  outline-offset: 3px;
}




.note {
  margin-top: 12px;
  opacity: 0.85;
  line-height: 1.5;
}

.footer {
  margin-top: 26px;
  padding-top: 14px;
  border-top: 1px solid rgba(0,0,0,0.08);
  opacity: 0.75;
  font-size: 13px;
}

/* -------- 피드백 아이콘 링크 스타일 -------- */
.feedback-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: 6px;
  vertical-align: middle;
  text-decoration: none;
  line-height: 1;
}

/* -------- 피드백 아이콘 이미지 스타일 -------- */
.feedback-icon {
  width: 18px;
  height: 18px;
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
}

/* -------- 마우스/키보드 상호작용(접근성) -------- */
.feedback-link:hover .feedback-icon {
  opacity: 0.85;
}

.feedback-link:focus-visible {
  outline: 2px solid rgba(17, 17, 17, 0.45);
  outline-offset: 3px;
  border-radius: 8px;
}

/* -------- 모바일 최적화 -------- */
@media (max-width: 720px) {
  .feedback-icon {
    width: 20px;
    height: 20px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}


/* -------- 푸터 정책 링크 -------- */
.footer-links {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.footer-links a {
  color: inherit;
  text-decoration: underline;
}