.tuneliner-page {
  --tuneliner-bg: #1c1d20;
  --tuneliner-bg-soft: #202226;
  --tuneliner-text: rgba(255, 255, 255, 0.94);
  --tuneliner-muted: rgba(255, 255, 255, 0.82);
  --tuneliner-soft: rgba(255, 255, 255, 0.72);
  color: var(--tuneliner-text);
  background: var(--tuneliner-bg);
  font-family: "Noto Sans KR", sans-serif;
  overflow-x: clip;
}

.tuneliner-page *,
.tuneliner-page *::before,
.tuneliner-page *::after {
  box-sizing: border-box;
}

.tuneliner-section {
  position: relative;
}

.tuneliner-inner {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 30px;
}

.tuneliner-inner--narrow {
  max-width: 940px;
}

.tuneliner-title {
  margin: 0;
  text-align: center;
  font-size: clamp(28px, 2.7vw, 35px);
  font-weight: 300;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.tuneliner-desc {
  margin: 26px auto 0;
  max-width: 640px;
  color: var(--tuneliner-muted);
  font-size: clamp(14px, 1.5vw, 20px);
  line-height: 1.55;
}

.tuneliner-desc--center {
  text-align: center;
}

.tuneliner-hero {
  background: url("/img/sub/face/lifting/tuneliner/01_top_bg.jpg") center top / cover no-repeat;
  min-height: min(62vw, 875px);
  padding-top: clamp(34px, 5.2vw, 70px);
}

.tuneliner-hero .tuneliner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: inherit;
  text-align: center;
}

.tuneliner-hero__text {
  width: 100%;
}

.tuneliner-hero__eyebrow {
  margin: 0;
  font-size: clamp(15px, 1.6vw, 22px);
  font-weight: 300;
  color: rgba(255, 255, 255, 0.58);
  letter-spacing: 0.01em;
}

.tuneliner-hero__copy {
  margin: clamp(40px, 6vw, 82px) 0 0;
  font-size: clamp(20px, 2.2vw, 35px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.28;
}

.tuneliner-hero__title {
  margin: 10px 0 0;
  font-size: clamp(34px, 4.5vw, 50px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -0.01em;
}

.tuneliner-hero__desc {
  margin: clamp(18px, 1.8vw, 26px) 0 0;
  font-size: clamp(16px, 1.3vw, 22px);
  font-weight: 500;
  color: var(--tuneliner-muted);
  line-height: 1.42;
}

.tuneliner-hero__media {
  margin-top: clamp(42px, 5.5vw, 72px);
  width: min(520px, 48vw);
}

.tuneliner-hero__media img {
  display: block;
  width: 100%;
  height: auto;
}

.tuneliner-cert {
  background: linear-gradient(90deg, #1f2024 0%, #1b1c20 45%, #1f2024 100%);
  padding: clamp(96px, 9vw, 132px) 0 clamp(108px, 9.5vw, 142px);
  text-align: center;
}

.tuneliner-cert__grid {
  margin-top: clamp(52px, 5vw, 70px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.1vw, 30px);
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.tuneliner-cert__item {
  text-align: center;
}

.tuneliner-cert__thumb {
  margin: 0 auto;
  width: 100%;
  max-width: 188px;
  border-radius: 12px;
  overflow: hidden;
}

.tuneliner-cert__thumb img {
  display: block;
  width: 100%;
  height: auto;
}

.tuneliner-cert__num {
  margin: 14px 0 0;
  display: inline-block;
  border-bottom: 1px solid rgba(255, 255, 255, 0.8);
  font-size: clamp(17px, 1.4vw, 22px);
  line-height: 1.1;
  font-weight: 800;
}

.tuneliner-cert__text {
  margin: 8px 0 0;
  font-size: clamp(10px, 1.35vw, 22px);
  line-height: 1.2;
  font-weight: 700;
}

.tuneliner-cert__note {
  margin: clamp(30px, 5.8vw, 78px) 0 0;
  font-size: clamp(10px, 1.55vw, 25px);
  font-weight: 700;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.35;
}

.tuneliner-cert__note--sub {
  margin-top: 4px;
  font-size: clamp(14px, 1.45vw, 22px);
  font-weight: 500;
  color: var(--tuneliner-muted);
}

.tuneliner-intro {
  background: linear-gradient(90deg, #1f2024 0%, #1b1c20 45%, #1f2024 100%);
  padding: clamp(104px, 9vw, 136px) 0 clamp(112px, 10vw, 156px);
}

.tuneliner-steps__list {
  margin-top: clamp(64px, 6vw, 84px);
  display: grid;
  gap: 28px;
}

.tuneliner-step {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 36px;
  align-items: center;
  color: var(--tuneliner-muted);
}

.tuneliner-step__text {
  min-width: 0;
}

.tuneliner-step__title {
  margin: 0;
  font-size: clamp(15px, 2.1vw, 30px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.01em;
  margin-bottom:clamp(15px, 2.1vw, 30px);
}

.tuneliner-step__title span {
  display: block;
  font-size: clamp(14px, 1.65vw, 29px);
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-bottom: 4px;
}

.tuneliner-step p {
  margin: 8px 0 0;
  font-size: clamp(10px, 1.35vw, 20px);
  line-height: 1.55;
}

.tuneliner-step strong {
  color: var(--tuneliner-text);
  font-weight: 700;
}

.tuneliner-step__thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  background: #f2f2f2;
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
}

.tuneliner-step__thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tuneliner-faq {
  background: linear-gradient(90deg, #1f2024 0%, #1b1c20 45%, #1f2024 100%);
  padding: clamp(106px, 9.2vw, 140px) 0 clamp(120px, 10vw, 162px);
}

.tuneliner-faq__head {
  margin-top: clamp(20px, 3.4vw, 44px);
  text-align: center;
  color: var(--tuneliner-muted);
}

.tuneliner-faq__head p {
  margin: 0;
  font-size: clamp(10px, 1.35vw, 22px);
  line-height: 1.46;
}

.tuneliner-faq__head p + p {
  margin-top: 2px;
}

.tuneliner-faq__brand {
  margin-bottom: 10px ;
  color: var(--tuneliner-text);
  font-size: clamp(15px, 1.7vw, 22px);
  font-weight: 700;
}

.tuneliner-faq__grid {
  margin-top: clamp(56px, 5.4vw, 76px);
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: clamp(52px, 5.5vw, 80px);
  align-items: center;
}

.tuneliner-faq__list {
  display: grid;
  gap: clamp(34px, 3.2vw, 44px);
}

.tuneliner-faq__item h3 {
  margin: 0;
  font-size: clamp(15px, 1.65vw, 22px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  margin-bottom: 15px;
}

.tuneliner-faq__item p {
  margin: 6px 0 0;
  font-size: clamp(10px, 1.38vw, 20px);
  line-height: 1.54;
  color: var(--tuneliner-muted);
}

.tuneliner-faq__item strong {
  color: var(--tuneliner-text);
  font-weight: 700;
}

.tuneliner-faq__item ul {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
}

.tuneliner-faq__item li {
  margin-top: 4px;
  font-size: clamp(10px, 1.38vw, 22px);
  line-height: 1.5;
  color: var(--tuneliner-muted);
}

.tuneliner-faq__media {
  position: relative;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
}

.tuneliner-faq__device {
  display: block;
  width: 100%;
  height: auto;
}

.tuneliner-faq__callout {
  position: absolute;
  right: -66px;
  top: 24%;
  text-align: center;
}

.tuneliner-faq__callout::before {
  content: "";
  position: absolute;
  left: -128px;
  top: 50%;
  transform: translateY(-50%);
  width: 118px;
  border-top: 2px dotted rgba(143, 123, 183, 0.85);
}

.tuneliner-faq__callout img {
  display: block;
  width: 108px;
  height: 108px;
  border-radius: 50%;
}

.tuneliner-faq__callout span {
  margin-top: 10px;
  display: block;
  font-size: clamp(17px, 1.25vw, 20px);
  font-weight: 700;
  color: var(--tuneliner-text);
}

.tuneliner-banner {
  background:
    linear-gradient(0deg, rgba(16, 16, 16, 0.74), rgba(16, 16, 16, 0.74)),
    url("/img/sub/default/bg1.jpg") center center / cover no-repeat;
  text-align: center;
  overflow: hidden;
}

.tuneliner-banner::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(60px, 5.8vw, 90px);
  width: min(560px, 44vw);
  height: min(340px, 28vw);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0) 76%);
  opacity: 0.2;
  pointer-events: none;
}

.tuneliner-banner__intro {
  padding: clamp(30px, 8.4vw, 30px) 0 clamp(80px, 7.4vw, 80px);
  background: linear-gradient(180deg, rgba(13, 14, 17, 0.3), rgba(13, 14, 17, 0.5));
  margin-top:50px;
}

.tuneliner-banner .tuneliner-inner {
  max-width: 810px;
}

.tuneliner-banner__intro p {
  margin: 0;
  font-size: clamp(10px, 1.45vw, 22px);
  line-height: 1.72;
  color: rgba(255, 255, 255, 0.84);
}

.tuneliner-banner__intro p + p {
  margin-top: 6px;
}

.tuneliner-banner__intro p strong {
  font-weight: 700;
  color: var(--tuneliner-text);
}

.tuneliner-banner__intro p:nth-of-type(5) {
  margin-bottom: 18px;
}

.tuneliner-precautions {
  margin-top: 0;
  padding-top: clamp(68px, 6.2vw, 96px);
}

.tuneliner-banner__precautions {
  padding-bottom: clamp(98px, 8vw, 126px);
}

.tuneliner-precautions .tuneliner-title {
  font-family: "Cormorant Garamond", serif;
  font-weight: 500;
}

.tuneliner-precautions__line {
  display: block;
  width: 1px;
  height: 52px;
  margin: 20px auto 30px;
  background: rgba(255, 255, 255, 0.64);
}

.tuneliner-precautions__list {
  max-width: 550px;
  margin: 0 auto;
  text-align: left;
}

.tuneliner-precautions__list p {
  margin: 0;
  font-size: clamp(10px, 1.4vw, 20px);
  line-height: 1.66;
  color: rgba(255, 255, 255, 0.84);
}

.tuneliner-precautions__list p + p {
  margin-top: clamp(26px, 2.2vw, 34px);
}

.tuneliner-closing {
  background:
    linear-gradient(180deg, rgba(8, 10, 8, 0.5), rgba(8, 10, 8, 0.58)),
    url("/img/sub/signature_02/sig_11.jpg") center center / cover no-repeat;
  min-height: clamp(460px, 34vw, 650px);
  display: flex;
  align-items: flex-end;
  text-align: center;
  padding: clamp(88px, 6.8vw, 120px) 0;
}

.tuneliner-closing__eyebrow {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(22px, 1.6vw, 31px);
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.35;
}

.tuneliner-closing__title {
  margin: 12px 0 0;
  font-size: clamp(30px, 2.2vw, 35px);
  font-weight: 300;
  line-height: 1.3;
}

.tuneliner-closing__title strong {
  font-weight: 700;
}

@media (max-width: 1024px) {
  .tuneliner-inner {
    padding: 0 24px;
  }

  .tuneliner-hero {
    min-height: min(72vw, 1000px);
  }

  .tuneliner-hero__media {
    width: min(470px, 50vw);
  }

  .tuneliner-step {
    max-width: 100%;
  }

  .tuneliner-faq__grid {
    grid-template-columns: 1fr 310px;
    gap: 40px;
  }

  .tuneliner-faq__callout {
    right: -46px;
  }

  .tuneliner-faq__callout::before {
    left: -102px;
    width: 92px;
  }
}

@media (max-width: 768px) {
  .tuneliner-inner {
    padding: 0 20px;
  }

  .tuneliner-hero {
    min-height: auto;
    padding-top: 30px;
    padding-bottom: 0;
  }

  .tuneliner-hero__copy {
    margin-top: 34px;
  }

  .tuneliner-hero__media {
    margin-top: 32px;
    width: min(360px, 72vw);
  }

  .tuneliner-cert {
    padding: 30px 0 30px;
  }

  .tuneliner-cert__grid {
    max-width: 520px;
    gap: 14px;
  }

  .tuneliner-intro,
  .tuneliner-faq {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .tuneliner-steps__list {
    gap: 24px;
  }

  .tuneliner-step {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .tuneliner-step__thumb {
    width: 100%;
    aspect-ratio: 16 / 10;
  }

  .tuneliner-faq__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .tuneliner-faq__media {
    max-width: 280px;
    display: none;
  }

  .tuneliner-faq__callout {
    right: -32px;
    top: 26%;
  }

  .tuneliner-faq__callout::before {
    left: -74px;
    width: 66px;
  }

  .tuneliner-faq__callout img {
    width: 88px;
    height: 88px;
  }

  .tuneliner-banner {
    background-position: center top;
  }

  .tuneliner-banner::before {
    top: 72px;
    width: 52vw;
    height: 34vw;
  }

  .tuneliner-banner__intro {
    padding-top: 30px;
    padding-bottom: 30px;
  }

  .tuneliner-precautions {
    padding-top: 56px;
  }

  .tuneliner-banner__precautions {
    padding-bottom: 84px;
  }

  .tuneliner-precautions__line {
    height: 42px;
    margin-top: 16px;
    margin-bottom: 24px;
  }

  .tuneliner-closing {
    min-height: 410px;
    padding: 70px 0;
  }
}
/* Hero scale sync with signature_02/03 */
.tuneliner-hero {
  min-height: clamp(560px, 62vw, 780px);
}
.tuneliner-hero__eyebrow {
  font-size: clamp(24px, 2vw, 62px);
  line-height: 1.05;
}
.tuneliner-hero__title {
  font-size: clamp(42px, 6vw, 70px);
  line-height: 1.04;
}
.tuneliner-hero__desc {
  font-size: clamp(20px, 2vw, 25px);
  line-height: 1.48;
}

@media (max-width: 1024px) {
  .tuneliner-hero {
    min-height: 650px;
  }
  .tuneliner-hero__title {
    font-size: clamp(40px, 8vw, 74px);
  }
  .tuneliner-hero__desc {
    font-size: clamp(18px, 2.8vw, 30px);
  }
}

@media (max-width: 767px) {
  .tuneliner-hero {
    min-height: 560px;
  }
  .tuneliner-hero__eyebrow {
    font-size: clamp(18px, 5.2vw, 26px);
  }
  .tuneliner-hero__title {
    font-size: clamp(30px, 8vw, 52px);
    line-height: 1.08;
  }
  .tuneliner-hero__desc {
    font-size: clamp(16px, 4.5vw, 22px);
  }
}

@media (max-width: 520px) {
  .tuneliner-hero {
    min-height: 480px;
  }
  .tuneliner-hero__desc {
    font-size: 10px;
    line-height: 1.7;
  }
}
/* Non-hero typography sync */
.tuneliner-page .tuneliner-title {
  font-size: 35px;
}
.tuneliner-page .tuneliner-desc {
  font-size: 20px;
}

@media (max-width: 767px) {
  .tuneliner-page .tuneliner-title {
    font-size: 20px;
  }
  .tuneliner-page .tuneliner-desc {
    font-size: 10px;
    margin: 10px auto 0;
  }
}