@font-face {
  font-family: "BookkMyungjoLightCustom";
  src: url("/css/font/BookkMyungjo_Light.ttf") format("truetype");
  font-weight: 300;
  font-style: normal;
}
.sf2-page {
  --bg: #1f2023;
  --text: #fff;
  --muted: rgba(255, 255, 255, 0.8);
  width: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: sans-serif;
}

.sf2-page * { box-sizing: border-box; }

.sf2-container { width: 100%; max-width: 980px; margin: 0 auto; padding: 0 24px; }
.sf2-container--narrow { max-width: 760px; }

.sf2-section { padding: 92px 0; background: var(--bg); }

.sf2-title {
  margin: 0;
  text-align: center;
  font-size: clamp(30px, 3vw, 48px);
  line-height: 1.34;
  font-weight: 300;
}
.sf2-title strong { font-weight: 700; }

.sf2-subtitle {
  margin: 0;
  text-align: center;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.sf2-divider {
  display: block;
  width: 1px;
  height: 52px;
  margin: 12px auto 18px;
  background: rgba(255, 255, 255, 0.5);
  font-size: 0;
  color: transparent;
  overflow: hidden;
}

.sf2-hero {
  position: relative;
  min-height: 0;
  aspect-ratio: 1920 / 1077;
  overflow: hidden;
  background: url('/img/sub/signature_02/sig_02.jpg') center top / 100% auto no-repeat;
  background-color: #101114;
}
.sf2-hero__inner { width: 100%; min-height: 100%; padding: clamp(40px, 10vw, 130px) 24px 0; text-align: center; }
.sf2-hero__eyebrow { margin: 0; font-family: "BookkMyungjoLightCustom", sans-serif; font-size: clamp(24px, 2.5vw, 52px); color: rgba(255, 255, 255); font-weight: 300; }
.sf2-hero__title { margin: 0 0 0; font-size: clamp(30px, 3.8vw, 64px); font-weight: 300; }
.sf2-hero__desc {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  width: 100%;
  margin: 0;
  padding: 0 16px;
  text-align: center;
  font-size: 17px;
  line-height: 1.7;
}

@media (max-width: 900px) {
  .sf2-hero {
    background-size: 100% auto;
  }
}

.sf2-intro__eyebrow { margin: 0 0 6px; text-align: center; font-size: 24px; color: rgba(255, 255, 255, 0.62); }

.sf2-auth__title { margin-bottom: 54px; font-size: clamp(34px, 3vw, 56px); font-weight: 700; }
.sf2-auth__lead { max-width: 560px; margin: 0 auto; }
.sf2-auth__quote { margin: 48px 0 0; text-align: center; font-size: clamp(34px, 2.5vw, 64px); line-height: 1.2; }
.sf2-auth__quote-mark { display: block; font-size: clamp(30px, 1.9vw, 48px); line-height: 1; }
.sf2-auth__cert { max-width: 1020px; margin: 50px auto 0; }
.sf2-auth__cert img { width: 100%; height: auto; display: block; }

.sf2-case__title { margin-bottom: 34px; font-size: clamp(32px, 3vw, 60px); }
.sf2-case__lead { max-width: 680px; margin: 0 auto; }
.sf2-case__badges { display: flex; justify-content: center; gap: 0; margin-top: 40px; }
.sf2-case__badges > span {
  width: 182px;
  height: 182px;
  margin-left: -14px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.sf2-case__badges > span:first-child { margin-left: 0; }
.sf2-case__no { font-size: 30px; line-height: 1; font-weight: 700; }
.sf2-case__text { margin-top: 6px; font-size: 14px; line-height: 1.3; }
.sf2-case__note {
  position: relative;
  max-width: 760px;
  margin: 64px auto 0;
  padding-top: 48px;
  text-align: center;
  font-size: clamp(16px, 1.1vw, 24px);
  line-height: 1.7;
}
.sf2-case__note::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 190px;
  height: 1px;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.58);
}
.sf2-case__note strong { display: block; margin-bottom: 8px; font-size: clamp(24px, 2vw, 44px); }

.sf2-point .sf2-title { margin-bottom: 56px; }
.sf2-point-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 46px 58px; }
.sf2-point-item { width: 210px; margin: 0 auto; text-align: center; }
.sf2-point-item p { margin: 0; font-size: 18px; line-height: 1.4; }
.sf2-point-item img { display: block; width: 82px; height: 82px; object-fit: contain; margin: 0 auto 12px; }

.sf2-target .sf2-title { margin-bottom: 38px; font-weight: 700; }
.sf2-target-layout { display: flex; align-items: flex-end; justify-content: center; gap: 88px; }
.sf2-target-list { width: 265px; margin: 0; padding: 0; list-style: none; display: grid; gap: 26px; }
.sf2-target-item {
  --link-y: 50%;
  --link-w: 150px;
  --link-gap: 8px;
  --dot-size: 6px;
  padding: 10px 14px;
  border-radius: 10px;
  background: #f3f3f4;
  color: #232323;
  font-size: 12px;
  line-height: 1.5;
  text-align: center;
  position: relative;
}
.sf2-target-item h3 { margin: 0 0 3px; font-size: 18px; line-height: 1.2; color: #191919; }
.sf2-target-item::after {
  content: '';
  position: absolute;
  top: var(--link-y);
  left: calc(100% + var(--link-gap));
  width: var(--link-w);
  border-top: 2px dotted rgba(255, 255, 255, 0.72);
  transform: translateY(-50%);
}
.sf2-target-item::before {
  content: '●';
  position: absolute;
  top: var(--link-y);
  left: calc(100% + var(--link-gap) + var(--link-w));
  font-size: calc(var(--dot-size) + 4px);
  line-height: 1;
  transform: translate(-50%, -50%);
}
.sf2-target-visual { width: min(34vw, 180px); }
.sf2-target-visual img { width: 100%; height: auto; display: block; border-radius: 4px; }

.sf2-plan {
  padding: 86px 30px 94px;
  background:
    linear-gradient(rgba(14, 12, 9, 0.56), rgba(14, 12, 9, 0.56)),
    url('/img/sub/signature_02/sig_07.png') center center / cover no-repeat;
}
.sf2-plan .sf2-title { margin-bottom: 8px; font-weight: 700; }
.sf2-plan__sub { margin: 0; text-align: center; font-size: 15px; color: rgba(255, 255, 255, 0.78); }
.sf2-plan-list { width: min(100%, 640px); margin: 40px auto 0; padding: 0; list-style: none; position: relative; }
.sf2-plan-list::before { content: ''; position: absolute; left: 23px; top: 14px; bottom: 50px; width: 1px; background: rgba(255, 255, 255, 0.44); }
.sf2-plan-item { position: relative; padding: 8px 0 18px 66px; text-align: left; }
.sf2-plan-item::before {
  content: '✓';
  position: absolute;
  left: 7px;
  top: 10px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 255, 255);
  background-color: #000;
  line-height: 30px;
  text-align: center;
}
.sf2-plan-item::after {
  content: '';
  position: absolute;
  left: 66px;
  bottom: 2px;
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.5);
}
.sf2-plan-item__label { display: block; font-size: 24px; line-height: 1.08; font-weight: 700; }
.sf2-plan-item p { margin: 0; font-size: 30px; line-height: 1.4; font-weight: 250;}

.sf2-process .sf2-title { margin-bottom: 42px; font-weight: 700; }
.sf2-process-visual { width: 100%; max-width: 780px; margin: 0 auto; }
.sf2-process-visual img { width: 100%; height: auto; display: block; }

.sf2-compare { max-width: 820px; margin: 86px auto 0; }
.sf2-compare-item { padding: 0; }
.sf2-compare-item--top { display: flex; align-items: center; justify-content: flex-start; gap: 30px; }
.sf2-compare-copy { width: 300px; flex: 0 0 300px; }
.sf2-compare-copy h4 { margin: 0; font-size: 28px; line-height: 1.25; text-align: center; }
.sf2-compare-copy p { margin: 22px 0 0; font-size: 16px; line-height: 1.62; text-align: center; }
.sf2-compare-item--top > img { width: 100%; max-width: 430px; }
.sf2-compare-item--bottom { display: flex; align-items: center; justify-content: flex-start; gap: 34px; margin-top: 64px; }
.sf2-compare-item--bottom > img { width: 100%; max-width: 392px; }
.sf2-compare-item--bottom p { margin: 0; font-size: 20px; line-height: 1.6; text-align: center; }

.sf2-mid {
  padding-top: 0;
  padding-bottom: 0px;
  background:
    linear-gradient(rgba(20, 21, 24, 0.72), rgba(20, 21, 24, 0.72)),
    url('/img/sub/signature_03/sig_06_bg.jpg') center center / cover no-repeat;
}
.sf2-mid::before { content: ''; display: block; width: 100%; height: 54px; background: rgba(0, 0, 0, 0.38); }
.sf2-mid__intro {
  max-width: none;
  width: 100%;
  margin: 0;
  padding-top: 68px;
  padding-bottom: 66px;
  background: rgba(0, 0, 0, 0.46);
}
.sf2-mid__intro .sf2-subtitle { max-width: 840px; margin: 0 auto; font-size: 15px; line-height: 2; }
.sf2-mid__device {
  margin-top: 72px;
  min-height: 760px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.sf2-mid__en { font-size: clamp(30px, 2.1vw, 42px); font-weight: 400; }
.sf2-mid__device p { max-width: 900px; margin: 30px auto 0; font-size: 16px; line-height: 1.9; text-align: center; }
.sf2-mid__device-image { width: 100%; max-width: 300px; margin: auto auto 0; }
.sf2-mid__device-image img { width: 100%; height: auto; display: block; }

.sf2-reason-list { margin-top: 22px; display: grid; gap: 14px; }
.sf2-reason-item { padding: 14px 10px; text-align: center; }
.sf2-reason-item h4 { margin: 0 0 4px; font-size: 17px; }
.sf2-reason-item p { margin: 0; font-size: 14px; line-height: 1.72; color: rgba(255, 255, 255, 0.8); }

.sf2-outro {
  min-height: 520px;
  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_02/sig_11.jpg') center center / cover no-repeat;
}
.sf2-outro__eyebrow { margin: 0; font-size: 30px; color: rgba(255, 255, 255, 0.88); }
.sf2-outro__title { margin: 16px 0 0; font-size: 42px; line-height: 1.45; font-weight: 300; }
.sf2-outro__title strong { font-weight: 700; }

@media (max-width: 900px) {
  .sf2-section { padding: 66px 0; }
  .sf2-mo-mid{padding:0;}
  .sf2-case__badges > span { width: 142px; height: 142px; margin-left: -10px; }
  .sf2-point-grid { gap: 30px 20px; }
  .sf2-point-item { width: 160px; }
  .sf2-point-item img { width: 62px; height: 62px; }
  .sf2-point-item p { font-size: 16px; }
  .sf2-target-layout { gap: 14px; width: 100%; }
  .sf2-target-list { width: min(58vw, 280px); gap: 10px; }
  .sf2-target-item { font-size: 13px; }
  .sf2-target-item h3 { font-size: 18px; }
  .sf2-target-item::before,
  .sf2-target-item::after { display: none; }
  .sf2-plan-list { width: min(100%, 560px); }
  .sf2-plan-list::before { left: 18px; }
  .sf2-plan-item { padding-left: 54px; }
  .sf2-plan-item::before { left: 4px; width: 28px; height: 28px; line-height: 26px; }
  .sf2-plan-item::after { left: 54px; }
  .sf2-plan-item__label { font-size: 22px; }
  .sf2-plan-item p { font-size: 20px; }
  .sf2-process-visual { max-width: 680px; }
  .sf2-compare { margin-top: 56px; max-width: 620px; }
  .sf2-compare-item--top,
  .sf2-compare-item--bottom { display: block; }
  .sf2-compare-copy { width: 100%; flex: none; }
  .sf2-compare-copy h4,
  .sf2-compare-copy p,
  .sf2-compare-item--bottom p { text-align: center; }
  .sf2-compare-item--top > img,
  .sf2-compare-item--bottom > img { margin: 12px auto 0; }
  .sf2-compare-item--bottom { margin-top: 34px; }
  .sf2-mid__device {
    margin-top: 48px;
    min-height: 630px;
  }
  .sf2-mid__device-image { max-width: 230px; }
}

@media (max-width: 560px) {
  .sf2-container { padding: 0 16px; }
  .sf2-title { font-size: 28px; }
  .sf2-subtitle { font-size: 14px; line-height: 1.7; }
  .sf2-hero__desc { bottom: 12px; font-size: 12px; }
  .sf2-case__badges > span { width: 94px; height: 94px; margin-left: -6px; }
  .sf2-case__no { font-size: 20px; }
  .sf2-case__text { font-size: 10px; margin-top: 2px; }
  .sf2-point-grid { gap: 20px 8px; }
  .sf2-point-item { width: 106px; }
  .sf2-point-item img { width: 44px; height: 44px; }
  .sf2-point-item p { font-size: 12px; line-height: 1.34; }
  .sf2-target-layout { gap: 10px; }
  .sf2-target-list { width: min(60vw, 220px); gap: 8px; }
  .sf2-target-item { font-size: clamp(9px, 2.8vw, 12px); white-space: nowrap; }
  .sf2-target-item h3 { font-size: clamp(13px, 4.2vw, 16px); white-space: nowrap; }
  .sf2-target-visual { width: min(34vw, 132px); }
  .sf2-plan-item { padding-left: 46px; }
  .sf2-plan-item::before { width: 24px; height: 24px; line-height: 22px; left: 3px; }
  .sf2-plan-item::after { left: 46px; }
  .sf2-plan-item::after {
    width: min(calc(100% - 46px), var(--rule-w));
  }
  .sf2-plan-item__label { font-size: 18px; }
  .sf2-plan-item p { font-size: 14px; }
  .sf2-process-visual { max-width: 520px; }
  .sf2-mid__intro { padding-top: 40px; padding-bottom: 38px; }
  .sf2-mid__device {
    margin-top: 38px;
    min-height: 660px;
  }
  .sf2-mid__device-image { max-width: 180px; }
}

.sf2-hero__eyebrow {
  margin: 0;
  font-family: "Cormorant Garamond", serif;
  font-size: clamp(25px, 2.5vw, 58px);
  font-weight: 400;
  line-height: 1;
}

.sf2-hero__title {
  margin: 12px 0 0;
  font-size: clamp(40px, 4.8vw, 74px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}
