@font-face {
  font-family: "Pretendard";
  src: url("/ai-si/fonts/PretendardVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
}

:root {
  --paper: #f6f3e9;
  --paper-deep: #ece6d7;
  --ink: #171610;
  --muted: #665f52;
  --line: rgba(23, 22, 16, 0.18);
  --amber: #d07a00;
  --amber-soft: #f2bc50;
  --white: #fffdf7;
  --max: 1440px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), rgba(23, 22, 16, 0.055) 1px) 0 0 / 24px 100%,
    var(--paper);
  font-family: "Pretendard", system-ui, sans-serif;
  line-height: 1.65;
  word-break: keep-all;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: -80px;
  padding: 10px 14px;
  background: var(--ink);
  color: white;
}
.skip-link:focus { top: 12px; }
.mag-shell { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.mag-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 243, 233, 0.94);
  backdrop-filter: blur(12px);
}
.mag-header__inner {
  min-height: 84px;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 28px;
}
.mag-brand { display: inline-flex; width: 138px; text-decoration: none; }
.mag-brand img { width: 138px; height: auto; }
.mag-nav { justify-self: center; display: flex; align-items: center; gap: 28px; }
.mag-nav a { padding: 8px 0; font-size: 14px; font-weight: 650; text-decoration: none; }
.mag-nav a[aria-current="page"] { color: var(--amber); }
.mag-cta,
.mag-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}
.mag-mobile { display: none; }
.mag-mobile summary { cursor: pointer; list-style: none; font-weight: 700; }
.mag-mobile summary::-webkit-details-marker { display: none; }
.mag-mobile__panel {
  position: absolute;
  top: 84px;
  left: 0;
  right: 0;
  display: grid;
  gap: 0;
  padding: 12px 24px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}
.mag-mobile__panel a { padding: 14px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.mag-kicker { color: var(--amber); font-size: 13px; font-weight: 750; letter-spacing: .16em; text-transform: uppercase; }
.mag-hero {
  min-height: 440px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 520px);
  align-items: end;
  gap: 72px;
  padding-block: 104px 72px;
  border-bottom: 1px solid var(--line);
}
.mag-hero h1 {
  max-width: 820px;
  margin: 18px 0 0;
  font-size: clamp(48px, 7vw, 108px);
  line-height: .96;
  letter-spacing: -.06em;
}
.mag-hero p { margin: 0; color: var(--muted); font-size: clamp(17px, 1.7vw, 24px); }
.mag-list { display: grid; grid-template-columns: repeat(12, 1fr); border-left: 1px solid var(--line); }
.mag-card {
  grid-column: span 6;
  min-width: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 253, 247, .26);
}
.mag-card__link { display: grid; height: 100%; padding: 28px; text-decoration: none; }
.mag-card__media { aspect-ratio: 16 / 9; overflow: hidden; border: 1px solid var(--line); background: var(--paper-deep); }
.mag-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.mag-card__link:hover .mag-card__media img { transform: scale(1.018); }
.mag-card__meta { display: flex; justify-content: space-between; gap: 16px; margin-top: 24px; color: var(--amber); font-size: 12px; letter-spacing: .08em; }
.mag-card h2 { margin: 14px 0 8px; font-size: clamp(26px, 3.2vw, 46px); line-height: 1.13; letter-spacing: -.045em; }
.mag-card p { margin: 0; color: var(--muted); font-size: 16px; }
.mag-empty {
  grid-column: 1 / -1;
  min-height: 360px;
  display: grid;
  align-content: center;
  gap: 14px;
  padding: 64px clamp(24px, 6vw, 88px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.mag-empty h2 { margin: 0; font-size: clamp(32px, 4.5vw, 62px); letter-spacing: -.045em; }
.mag-empty p { max-width: 620px; margin: 0; color: var(--muted); }
.mag-article { max-width: 1040px; padding-block: 80px 120px; }
.mag-breadcrumb { margin-bottom: 60px; color: var(--muted); font-size: 14px; }
.mag-breadcrumb a { text-underline-offset: 4px; }
.mag-article__header { padding-bottom: 52px; border-bottom: 1px solid var(--line); }
.mag-article__header h1 {
  max-width: 970px;
  margin: 18px 0 24px;
  font-size: clamp(42px, 7vw, 86px);
  line-height: 1.03;
  letter-spacing: -.055em;
}
.mag-article__description { max-width: 760px; margin: 0; color: var(--muted); font-size: clamp(18px, 2vw, 24px); }
.mag-article__meta { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-top: 28px; color: var(--muted); font-size: 13px; }
.mag-body { max-width: 820px; margin: 0 auto; padding-top: 72px; }
.mag-body p { margin: 0 0 32px; font-size: clamp(18px, 1.7vw, 22px); line-height: 1.85; }
.mag-body h2 { margin: 88px 0 26px; font-size: clamp(32px, 4vw, 52px); line-height: 1.16; letter-spacing: -.04em; }
.mag-body h3 { margin: 64px 0 22px; font-size: clamp(25px, 3vw, 36px); line-height: 1.2; letter-spacing: -.035em; }
.mag-figure { margin: 64px -80px; }
.mag-figure img { width: 100%; height: auto; border: 1px solid var(--line); background: var(--paper-deep); }
.mag-figure figcaption { margin-top: 12px; color: var(--muted); font-size: 13px; }
.mag-sources { max-width: 820px; margin: 80px auto 0; padding-top: 32px; border-top: 1px solid var(--line); }
.mag-sources h2 { font-size: 18px; }
.mag-sources ol { padding-left: 22px; }
.mag-sources a { color: var(--muted); overflow-wrap: anywhere; text-underline-offset: 4px; }
.mag-inquiry {
  margin-top: 96px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 40px;
  padding: clamp(28px, 5vw, 64px);
  border: 1px solid var(--ink);
  background: var(--amber-soft);
}
.mag-inquiry h2 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 50px); line-height: 1.12; letter-spacing: -.045em; }
.mag-inquiry p { margin: 0; }
.mag-footer { border-top: 1px solid var(--line); }
.mag-footer__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; padding-block: 48px; }
.mag-footer h2 { margin: 0 0 12px; font-size: 16px; }
.mag-footer p { margin: 3px 0; color: var(--muted); font-size: 13px; }
.mag-footer a { text-underline-offset: 3px; }
.mag-preview-bar { padding: 8px 24px; background: #241f17; color: white; text-align: center; font-size: 12px; letter-spacing: .08em; }
:focus-visible { outline: 3px solid #1674ff; outline-offset: 4px; }

@media (max-width: 900px) {
  .mag-shell { width: min(calc(100% - 32px), var(--max)); }
  .mag-header__inner { min-height: 72px; grid-template-columns: 1fr auto; }
  .mag-nav, .mag-header .mag-cta { display: none; }
  .mag-mobile { display: block; }
  .mag-mobile__panel { top: 72px; }
  .mag-hero { min-height: 0; grid-template-columns: 1fr; gap: 40px; padding-block: 72px 56px; }
  .mag-card { grid-column: 1 / -1; }
  .mag-card__link { padding: 20px 0 36px; }
  .mag-list { border-left: 0; }
  .mag-card, .mag-empty { border-right: 0; }
  .mag-article { padding-block: 48px 80px; }
  .mag-breadcrumb { margin-bottom: 40px; }
  .mag-figure { margin: 48px 0; }
  .mag-inquiry { grid-template-columns: 1fr; }
  .mag-footer__inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 520px) {
  body { word-break: normal; overflow-wrap: anywhere; }
  .mag-shell { width: min(calc(100% - 24px), var(--max)); }
  .mag-brand, .mag-brand img { width: 118px; }
  .mag-hero h1 { font-size: clamp(44px, 16vw, 68px); }
  .mag-article__header h1 { font-size: clamp(38px, 12vw, 58px); }
  .mag-body p { font-size: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}