@font-face {
  font-family: Pretendard;
  src: url("assets/Pretendard-Regular.woff2") format("woff2");
  font-weight: 400 500;
  font-display: swap;
}
@font-face {
  font-family: Pretendard;
  src: url("assets/Pretendard-Bold.woff2") format("woff2");
  font-weight: 700;
  font-display: swap;
}
@font-face {
  font-family: Pretendard;
  src: url("assets/Pretendard-ExtraBold.woff2") format("woff2");
  font-weight: 800 900;
  font-display: swap;
}
:root {
  --paper: #f3f1eb;
  --ink: #10100e;
  --red: #d92c20;
  --pad: clamp(20px, 3.6vw, 62px);
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Pretendard, "Apple SD Gothic Neo", sans-serif;
  word-break: keep-all;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  display: block;
  width: 100%;
}
.skip {
  position: fixed;
  left: 12px;
  top: -60px;
  z-index: 30;
  background: var(--ink);
  color: #fff;
  padding: 12px 18px;
}
.skip:focus {
  top: 12px;
}
.site-header {
  height: 76px;
  padding: 8px var(--pad);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid;
  position: relative;
  z-index: 10;
}
.wordmark {
  font:
    900 19px/15px Arial Black,
    Pretendard,
    sans-serif;
  letter-spacing: -0.07em;
  min-height: 44px;
  display: flex;
  align-items: center;
}
.site-header nav {
  display: flex;
  gap: clamp(28px, 4vw, 66px);
}
.site-header nav a,
.header-link {
  min-height: 44px;
  display: flex;
  align-items: center;
  font: 500 10px var(--mono);
}
.site-header nav a:hover,
.header-link:hover {
  color: var(--red);
}
.header-link {
  justify-self: end;
  gap: 18px;
  border-bottom: 1px solid;
}
.header-link span,
.primary-link span {
  font-size: 18px;
}
.hero {
  height: calc(100svh - 76px);
  min-height: 680px;
  max-height: 920px;
  display: grid;
  grid-template-columns: minmax(330px, 0.73fr) minmax(0, 1.27fr);
  position: relative;
  overflow: clip;
  border-bottom: 1px solid;
}
.hero-copy {
  padding: clamp(70px, 10vh, 120px) 0 50px var(--pad);
  align-self: center;
  position: relative;
  z-index: 2;
}
.identity {
  margin: 0 0 28px;
  font: 500 10px var(--mono);
}
.identity i {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--red);
  margin-right: 9px;
}
.hero h1 {
  margin: 0;
  font-size: clamp(62px, 6.8vw, 118px);
  line-height: 1.08;
  letter-spacing: -0.045em;
  font-weight: 900;
}
.hero h1 > span {
  display: block;
}
.hero h1 em {
  color: var(--red);
  font-style: normal;
}
.hero-for {
  display: inline-block;
  margin: 30px 0 24px;
  font-size: 11px;
  font-weight: 700;
}
.primary-link {
  width: min(100%, 340px);
  min-height: 54px;
  padding: 0 17px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
}
.primary-link:hover {
  background: var(--red);
}
.hero-art {
  margin: 0;
  min-width: 0;
  height: 100%;
  position: relative;
  overflow: hidden;
}
.hero-art:before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, var(--paper) 0, transparent 18%);
}
.hero-art img {
  height: 100%;
  object-fit: cover;
  object-position: 56% center;
  mix-blend-mode: multiply;
}
.hero-note {
  position: absolute;
  left: calc(100% - clamp(280px, 22vw, 390px));
  right: var(--pad);
  bottom: 34px;
  z-index: 3;
  border-top: 1px solid;
  padding-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.hero-note p {
  margin: 0;
  font-size: 10px;
  line-height: 1.55;
}
.section {
  padding: clamp(90px, 10vw, 165px) var(--pad);
}
.section-heading {
  display: grid;
  grid-template-columns: 8% 67% 25%;
  align-items: start;
  border-top: 1px solid;
  padding-top: 19px;
}
.section-heading > span {
  font: 500 9px var(--mono);
}
.section-heading h2 {
  margin: 0;
  font-size: clamp(52px, 6.8vw, 112px);
  line-height: 1.1;
  letter-spacing: -0.045em;
  font-weight: 900;
}
.section-heading > p {
  margin: 5px 0 0;
  font-size: 12px;
  line-height: 1.7;
}
.numbers {
  margin: clamp(70px, 9vw, 135px) 0 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid;
  border-bottom: 1px solid;
}
.numbers div {
  min-height: 250px;
  padding: 22px 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.numbers div + div {
  border-left: 1px solid;
}
.numbers dt {
  font: 500 9px var(--mono);
}
.numbers dd {
  margin: 0;
  font-size: clamp(55px, 7vw, 120px);
  font-weight: 900;
  letter-spacing: -0.08em;
}
.proof-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
  align-items: end;
  margin: 40px 0 0 41%;
}
.proof-copy p {
  max-width: 530px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}
.proof-copy a {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid;
  font-size: 11px;
}
.loop {
  background: var(--ink);
  color: var(--paper);
}
.loop .section-heading {
  border-color: var(--paper);
}
.source-quote {
  margin: clamp(70px, 9vw, 135px) 0 0 8%;
  max-width: 1050px;
  font-size: clamp(34px, 5.4vw, 90px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.045em;
}
.quote-source {
  min-height: 44px;
  margin: 18px 0 0 8%;
  display: inline-flex;
  align-items: center;
  border-bottom: 1px solid rgba(243, 241, 235, 0.55);
  font-size: 11px;
}
.format-list {
  margin-top: clamp(70px, 9vw, 135px);
  border-top: 1px solid rgba(243, 241, 235, 0.55);
}
.format-row {
  min-height: clamp(135px, 14vw, 220px);
  padding: 18px 0;
  border-bottom: 1px solid rgba(243, 241, 235, 0.55);
  display: grid;
  grid-template-columns: 18% 1fr 50px;
  align-items: center;
}
.format-row small {
  font: 500 8px var(--mono);
}
.format-row strong {
  font-size: clamp(50px, 8vw, 135px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.045em;
}
.format-row > span {
  justify-self: end;
  color: var(--red);
  font: 500 28px var(--mono);
}
.loop-explain {
  display: grid;
  grid-template-columns: 1fr 1.3fr 1fr;
  border-bottom: 1px solid rgba(243, 241, 235, 0.45);
}
.loop-explain > p {
  margin: 0;
  padding: 32px 26px;
  font-size: 13px;
  line-height: 1.8;
}
.loop-explain > p + dl,
.loop-explain dl + p {
  border-left: 1px solid rgba(243, 241, 235, 0.45);
}
.loop-explain dl {
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.loop-explain dl div {
  padding: 28px 16px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 175px;
}
.loop-explain dl div + div {
  border-left: 1px solid rgba(243, 241, 235, 0.45);
}
.loop-explain dt {
  font-size: clamp(24px, 3vw, 45px);
  font-weight: 900;
  color: #f04739;
}
.loop-explain dd {
  margin: 0;
  font-size: 10px;
}
.notes .section-heading h2 {
  font-size: clamp(58px, 7.5vw, 125px);
}
.note-list {
  margin-top: clamp(70px, 9vw, 130px);
  border-top: 1px solid;
}
.note-list a {
  min-height: 118px;
  display: grid;
  grid-template-columns: 170px 1fr 32px;
  align-items: center;
  gap: 30px;
  border-bottom: 1px solid;
}
.note-list time {
  font: 500 9px var(--mono);
}
.note-list strong {
  font-size: clamp(19px, 2.1vw, 34px);
  letter-spacing: -0.045em;
}
.note-list > a > span {
  font-size: 22px;
}
.note-list a:hover {
  color: var(--red);
}
.contact {
  margin: clamp(90px, 12vw, 180px) calc(var(--pad) * -1)
    calc(clamp(90px, 10vw, 165px) * -1);
  padding: clamp(70px, 8vw, 120px) var(--pad);
  background: var(--red);
  color: #fff;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 8vw;
  align-items: end;
}
.contact p {
  margin: 0 0 24px;
  font-size: 13px;
  line-height: 1.75;
}
.contact h2 {
  margin: 0;
  font-size: clamp(58px, 7vw, 115px);
  line-height: 1.08;
  letter-spacing: -0.045em;
}
.primary-link.light {
  background: var(--paper);
  color: var(--ink);
  width: 100%;
}
.primary-link.light:hover {
  background: var(--ink);
  color: #fff;
}
.contact-action small {
  display: block;
  margin-top: 12px;
  font: 400 9px var(--mono);
}
@media (max-width: 850px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }
  .site-header nav {
    display: none;
  }
  .hero {
    height: auto;
    max-height: none;
    min-height: 0;
    grid-template-columns: 1fr;
  }
  .hero-copy {
    padding: 72px var(--pad) 44px;
  }
  .hero h1 {
    font-size: clamp(63px, 14vw, 92px);
  }
  .hero-art {
    height: 62vw;
    min-height: 410px;
  }
  .hero-art:before {
    background: linear-gradient(180deg, var(--paper), transparent 16%);
  }
  .hero-note {
    position: static;
    margin: 0 var(--pad);
    padding: 24px 0 30px;
  }
  .section-heading {
    grid-template-columns: 50px 1fr;
  }
  .section-heading > p {
    grid-column: 2;
    margin-top: 24px;
  }
  .proof-copy {
    margin-left: 0;
  }
  .loop-explain {
    grid-template-columns: 1fr;
  }
  .loop-explain > p + dl,
  .loop-explain dl + p {
    border-left: 0;
    border-top: 1px solid rgba(243, 241, 235, 0.45);
  }
  .contact {
    grid-template-columns: 1fr;
  }
  .contact-action {
    max-width: 600px;
  }
}
@media (max-width: 560px) {
  :root {
    --pad: 20px;
  }
  .site-header {
    height: 68px;
  }
  .wordmark {
    font-size: 17px;
    line-height: 14px;
  }
  .header-link {
    font-size: 10px;
  }
  .hero-copy {
    padding-top: 54px;
  }
  .hero h1 {
    font-size: clamp(58px, 18vw, 82px);
    line-height: 1.08;
  }
  .hero-for {
    margin-top: 25px;
  }
  .hero-art {
    height: 92vw;
    min-height: 350px;
  }
  .hero-art img {
    object-position: 53% center;
  }
  .hero-note {
    grid-template-columns: 1fr;
  }
  .section {
    padding: 80px var(--pad);
  }
  .section-heading {
    grid-template-columns: 35px 1fr;
  }
  .section-heading h2 {
    font-size: clamp(47px, 13.5vw, 67px);
  }
  .numbers {
    grid-template-columns: 1fr;
    margin-top: 65px;
  }
  .numbers div {
    min-height: 155px;
    padding: 18px 0;
  }
  .numbers div + div {
    border-left: 0;
    border-top: 1px solid;
  }
  .numbers div {
    flex-direction: row;
    align-items: end;
  }
  .numbers dd {
    font-size: 62px;
  }
  .proof-copy {
    grid-template-columns: 1fr;
  }
  .proof-copy a {
    width: max-content;
  }
  .source-quote {
    margin-left: 0;
  }
  .quote-source {
    margin-left: 0;
  }
  .format-row {
    grid-template-columns: 82px 1fr 30px;
    min-height: 130px;
  }
  .format-row strong {
    font-size: clamp(38px, 12vw, 58px);
  }
  .loop-explain dl {
    grid-template-columns: 1fr;
  }
  .loop-explain dl div {
    min-height: 120px;
  }
  .loop-explain dl div + div {
    border-left: 0;
    border-top: 1px solid rgba(243, 241, 235, 0.45);
  }
  .note-list a {
    grid-template-columns: 72px 1fr 22px;
    gap: 10px;
    min-height: 110px;
  }
  .note-list strong {
    font-size: 17px;
    line-height: 1.45;
  }
  .contact {
    margin-top: 80px;
    padding-top: 70px;
  }
  .contact h2 {
    font-size: 53px;
  }
  .contact-action {
    margin-top: 30px;
  }
}
@media (max-width: 340px) {
  .hero h1 {
    font-size: 54px;
  }
  .hero-for {
    font-size: 10px;
  }
  .contact h2 {
    font-size: 48px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}