@font-face {
  font-family: "NetmarbleL";
  src: url("/css/font/netmarbleL.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
}

.signature3 {
  --bg-dark: #202020;
  --bg-deep: #161616;
  --text-main: #ffffff;
  --text-soft: rgba(255, 255, 255, 0.76);
  --text-faint: rgba(255, 255, 255, 0.5);
  --line-soft: rgba(255, 255, 255, 0.14);
  --card-bg: rgba(255, 255, 255, 0.04);
  --placeholder-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.05));
  --placeholder-border: rgba(255, 255, 255, 0.18);
  --accent: #f3f0e8;
  width: 100%;
  color: var(--text-main);
  font-family: "ArtnerPrimary", sans-serif;
  background: var(--bg-dark);
}

.signature3 * {
  box-sizing: border-box;
}

.signature3-container {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.signature3-container--narrow {
  max-width: 760px;
}

.signature3-hero {
  position: relative;
  min-height: 980px;
  padding: 130px 0 110px;
  overflow: hidden;
  background:
    linear-gradient(to bottom, rgba(0, 0, 0, 0.22), rgba(0, 0, 0, 0.52)),
    linear-gradient(to bottom, rgba(7, 20, 7, 0.16), rgba(0, 0, 0, 0.42)),
    radial-gradient(circle at 20% 20%, rgba(87, 133, 76, 0.65), transparent 30%),
    radial-gradient(circle at 80% 28%, rgba(70, 104, 55, 0.55), transparent 28%),
    radial-gradient(circle at 28% 72%, rgba(58, 84, 48, 0.72), transparent 25%),
    radial-gradient(circle at 82% 82%, rgba(45, 70, 37, 0.74), transparent 28%),
    url("/img/sub/signature_03/sig_03.jpg") center center / cover no-repeat,
    linear-gradient(180deg, #284624 0%, #162513 45%, #101010 100%);
}

.signature3-hero::before,
.signature3-outro::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.09), transparent 20%),
    radial-gradient(circle at 86% 18%, rgba(255, 255, 255, 0.06), transparent 18%),
    radial-gradient(circle at 8% 84%, rgba(255, 255, 255, 0.07), transparent 16%),
    radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05), transparent 20%);
  opacity: 0.9;
  pointer-events: none;
}

.signature3-hero__inner,
.signature3-outro .signature3-container {
  position: relative;
  z-index: 1;
}

.signature3-hero__inner {
  width: 100%;
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
  text-align: center;
}

.signature3-hero__eyebrow {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 34px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.15;
}

.signature3-hero__title {
  margin: 35px 0 0;
  font-size: 62px;
  font-weight: 300;
  letter-spacing: -0.04em;
  line-height: 1.1;
}

.signature3-hero__visual {
  margin: 0px auto 0px;
  width: min(480px, 82vw);
}

.signature3-hero__visual.placeholder-box {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  min-height: auto;
}

.signature3-hero__visual.placeholder-box::before {
  display: none;
}

.signature3-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
}

.signature3-hero__desc {
  margin: 0;
  font-size: 18px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.86);
}

.signature3-section {
  position: relative;
  padding: 110px 0;
}

.signature3-section--dark {
  background: var(--bg-dark);
}

.signature3-section--measure {
  padding-top: 80px;
}

.signature3-section--texture {
  background:
    linear-gradient(rgba(28, 28, 28, 0.82), rgba(28, 28, 28, 0.82)),
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.05), transparent 30%),
    radial-gradient(circle at 80% 75%, rgba(255, 255, 255, 0.04), transparent 26%),
    url("/img/sub/signature_03/sig_06_bg.jpg") center center / cover no-repeat,
    #242424;
}

.signature3-section--texture > .signature3-container:first-child {
  width: 100%;
  max-width: none;
  padding-top: 42px;
  padding-bottom: 42px;
  padding-left: 24px;
  padding-right: 24px;
  background: rgba(0, 0, 0, 0.5);
}

.section-title {
  margin: 0;
  text-align: center;
  font-size: 46px;
  font-weight: 300;
  line-height: 1.38;
  letter-spacing: -0.04em;
  color: var(--text-main);
}

.section-title strong {
  font-weight: 700;
}

.section-title__divider {
  display: block;
  width: 1px;
  height: 85px;
  margin: 0 auto 20px;
  background: rgba(255, 255, 255, 0.55);
}

.section-title--spaced {
  margin-bottom: 20px;
}

.section-subtitle {
  margin: 0;
  text-align: center;
  font-size: 22px;
  line-height: 1.8;
  color: var(--text-soft);
}

.step-list {
  display: grid;
  gap: 12px;
  width: fit-content;
  margin: 54px auto 0;
  padding: 0;
  list-style: none;
}

.step-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  color: var(--text-soft);
}

.step-list span {
  flex: 0 0 auto;
  min-width: 88px;
  padding: 5px 14px;
  border-radius: 999px;
  background: #f5f2ea;
  color: #171717;
  font-size: 16px;
  font-weight: 700;
  text-align: center;
}

.measure-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 260px);
  gap: 32px;
  align-items: center;
  margin-top: 54px;
}

.measure-visual.placeholder-box {
  padding: 18px;
  border: 0;
  border-radius: 12px;
  background: #ffffff;
  box-shadow: 0 18px 36px rgba(0, 0, 0, 0.22);
}

.measure-visual.placeholder-box::before {
  display: none;
}

.measure-visual.placeholder-box img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 100%;
  object-fit: contain;
}

.measure-visual.placeholder-box span {
  color: rgba(0, 0, 0, 0.45);
}

.measure-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.measure-list li {
  position: relative;
  padding-left: 18px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--text-soft);
}

.measure-list li::before {
  content: "▶";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--text-main);
  font-size: 11px;
}

.process-head {
  margin-top: 92px;
  text-align: center;
}

.process-head__eyebrow {
  margin: 0 0 10px;
  font-family: 'Cormorant Garamond', serif;
  font-size: 28px;
  color: rgba(255, 255, 255, 0.78);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px 12px;
  margin-top: 40px;
}

.process-card {
  text-align: center;
}

.process-card__thumb {
  width: 242px;
  height: 161px;
  margin-bottom: 12px;
  margin-left: auto;
  margin-right: auto;
  padding: 0;
  overflow: hidden;
  border-radius: 12px;
}

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

.process-card h4 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.process-card p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-soft);
}

.signature3-band {
  position: relative;
  padding: 120px 0;
  background:
    linear-gradient(rgba(17, 17, 17, 0.86), rgba(17, 17, 17, 0.86)),
    radial-gradient(circle at 15% 30%, rgba(255, 255, 255, 0.05), transparent 24%),
    radial-gradient(circle at 85% 70%, rgba(255, 255, 255, 0.04), transparent 25%),
    #1b1b1b;
}

.signature3-band__copy {
  margin: 80px 0 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  color: var(--text-soft);
}

.signature3-band__copy p {
  margin: 0;
  font-size: 18px;
  line-height: 1.9;
  color: var(--text-soft);
}

.signature3-band__copy span {
  display: block;
}

.signature3-band__copy p > span {
  margin-bottom: 10px;
  font-family: "Nanum Brush Script", "Nanum Pen Script", "Segoe Script", "Brush Script MT", cursive;
  font-size: 42px;
  line-height: 1.2;
  color: rgba(255, 255, 255, 0.92);
  letter-spacing: 0.01em;
}

.signature3-band__quote {
  font-family: "NetmarbleL", 'Cormorant Garamond', serif;
  font-size: 42px;
  display: block;
  line-height: 0.1;
  color: rgba(255, 255, 255, 0.8);
}

.body-copy-card {
  display: grid;
  gap: 38px;
}

.body-copy-card__image {
  width: min(100%, 480px);
  margin: 0 auto;
  border-radius: 18px;
  overflow: hidden;
}

.body-copy-card__image img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
}

.body-copy-item + .body-copy-item {
  margin-top: 28px;
}

.body-copy-item h4 {
  margin: 0 0 10px;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-main);
}

.body-copy-item p {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-soft);
}

.signature3-outro {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: flex-end;
  padding: 100px 0 108px;
  text-align: center;
  background:
    linear-gradient(to bottom, rgba(8, 18, 8, 0.18), rgba(0, 0, 0, 0.58)),
    url("/img/sub/signature_03/sig_07_bg.jpg") center center / cover no-repeat,
    linear-gradient(180deg, #52614a 0%, #1d2419 52%, #0f100f 100%);
}

.signature3-outro__eyebrow {
  margin: 0;
  font-family: 'Cormorant Garamond', serif;
  font-size: 30px;
  color: rgba(255, 255, 255, 0.88);
}

.signature3-outro__title {
  margin: 16px 0 0;
  font-size: 42px;
  font-weight: 300;
  line-height: 1.45;
}

.signature3-outro__title strong {
  font-weight: 700;
}

.placeholder-box {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 118px;
}



.placeholder-box span {
  position: relative;
  z-index: 1;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.72);
  letter-spacing: -0.02em;
  text-align: center;
}

.placeholder-box--device {
  aspect-ratio: 4 / 5;
  min-height: 420px;
}

.placeholder-box--portrait {
  aspect-ratio: 4 / 5;
  min-height: 320px;
}

.placeholder-box--wide {
  aspect-ratio: 16 / 10;
  min-height: 300px;
  width: 100%;
}

@media (max-width: 1024px) {
  .signature3-hero {
    min-height: 860px;
    padding-top: 120px;
  }

  .signature3-hero__title,
  .section-title {
    font-size: 38px;
  }

  .process-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 16px;
  }
}

@media (max-width: 767px) {
  .signature3-container,
  .signature3-hero__inner {
    padding: 0 18px;
  }

  .signature3-hero {
    min-height: 720px;
    padding: 96px 0 80px;
  }

  .signature3-hero__eyebrow {
    font-size: 24px;
  }

  .signature3-hero__title,
  .section-title {
    font-size: 29px;
    line-height: 1.45;
  }

  .signature3-hero__title {
    margin-top: 46px;
  }

  .signature3-hero__visual {
    margin: 32px auto 24px;
  }

  .signature3-hero__desc,
  .signature3-band__copy,
  .body-copy-item p,
  .measure-list li,
  .step-list li,
  .process-card p {
    font-size: 15px;
    line-height: 1.75;
  }

  .signature3-band__copy p {
    font-size: 15px;
    line-height: 1.75;
  }

  .signature3-section,
  .signature3-band,
  .signature3-outro {
    padding-top: 72px;
    padding-bottom: 72px;
  }

  .section-subtitle {
    font-size: 18px;
  }

  .step-list {
    width: 100%;
  }

  .step-list li {
    align-items: center;
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .measure-grid {
    grid-template-columns: minmax(0, 1fr) 140px;
    gap: 26px;
    align-items: start;
  }

  .measure-visual.placeholder-box {
    width: 140px;
    min-height: 0;
    padding: 12px;
    justify-self: end;
  }

  .measure-visual.placeholder-box img {
    width: 100%;
  }

  .process-head {
    margin-top: 72px;
  }

  .process-head__eyebrow {
    font-size: 24px;
  }

  .process-card__thumb {
    width: 242px;
    max-width: 100%;
  }

  .process-grid {
    gap: 18px;
  }

  .body-copy-item h4 {
    font-size: 18px;
  }

  .signature3-outro {
    min-height: 420px;
    align-items: center;
  }

  .signature3-outro__eyebrow {
    font-size: 22px;
  }

  .signature3-outro__title {
    font-size: 28px;
  }

  .placeholder-box {
    border-radius: 18px;
  }

  .placeholder-box--device {
    min-height: 320px;
  }

  .placeholder-box--portrait,
  .placeholder-box--wide {
    min-height: 220px;
  }
}

@media (max-width: 500px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}

.signature3-hero__eyebrow {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(25px, 2.5vw, 58px);
  font-weight: 400;
  line-height: 1;
}

.signature3-hero__title {
  margin: 12px 0 0;
  font-size: clamp(40px, 4.8vw, 74px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}