@font-face {
  font-family: "Seminar Latin";
  src: url("./assets/fonts/BebasNeue-Regular.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  unicode-range: U+0000-007F;
}

@font-face {
  font-family: "Session Card Small"; 
  src: url("./assets/fonts/SDSwaggerTTF.ttf") format("truetype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Seminar Korean";
  src: url("./assets/fonts/KoPub-Dotum-Bold.ttf") format("truetype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

@font-face {
  font-family: "Seminar Korean Medium";
  src: url("./assets/fonts/KoPub-Dotum-Medium.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "swagger";
  src: url("./assets/fonts/SDSwaggerTTF.ttf") format("truetype");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

:root {
  --color-black: #050505;
  --color-yellow: #ffc300;
  --color-paper: #eee9e3;
  --color-card: #fff;
  --color-muted: #d9d9d9;
  --color-rule: #74706b;
  --stage-width: 420px;
  --font-title: "Seminar Latin", sans-serif;
  --font-bold: "Seminar Korean", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-medium: "Seminar Korean Medium", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  --font-cardsmall: "Session Card Small", "SDSwagger", sans-serif;
  --font-swagger: "swagger", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--color-black);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--color-black);
  font-family: var(--font-bold);
  font-weight: 700;
  background:
    linear-gradient(90deg, rgba(255, 195, 0, 0.15), transparent 24%, transparent 76%, rgba(255, 195, 0, 0.15)),
    var(--color-black);
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  container-type: inline-size;
  width: min(100%, var(--stage-width));
  min-height: 100vh;
  margin: 0 auto;
  overflow: hidden;
  background: var(--color-paper);
  box-shadow: 0 0 44px rgba(0, 0, 0, 0.45);
}

.year-nav {
  display: flex;
  align-items: stretch;
  height: 7.75cqw;
  min-height: 27px;
  padding-left: 6.33cqw;
  background: var(--color-black);
  color: #fff;
  font-family: var(--font-title);
  font-size: 3cqw;
  font-weight: 400;
  line-height: 7.75cqw;
  text-align: center;
}

.year-nav a {
  display: block;
  width: 10.33cqw;
}

.year-nav a:first-child {
  width: 8.83cqw;
  color: #b1b1b1;
  text-align: left;
}

.year-nav .active {
  color: var(--color-black);
  background: var(--color-yellow);
}

.hero {
  position: relative;
  height: 41.33cqw;
  min-height: 174px;
  background: var(--color-yellow);
}

.hero-copy {
  position: absolute;
  left: 8.83cqw;
  top: 50%;
  padding-left: 2.42cqw;
  transform: translateY(-50%);
}

.hero-copy::before {
  position: absolute;
  top: 1.3cqw;
  bottom: -0.2cqw;
  left: 0;
  width: 0.42cqw;
  background: var(--color-black);
  content: "";
}

.hero-title {
  margin: 0 0 0.9cqw;
  font-family: var(--font-title);
  font-size: 10cqw;
  font-weight: 400;
  line-height: 0.92;
  letter-spacing: 0;
}

.hero-kicker {
  margin: 0;
  font-family: var(--font-bold);
  font-size: 2.92cqw;
  font-weight: 700;
  line-height: 1.18;
  white-space: nowrap;
}

.mark {
  position: absolute;
  top: 50%;
  right: 7.95cqw;
  width: 20.7cqw;
  height: auto;
  display: block;
  transform: translateY(-50%);
}

.event-info {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 0.25cqw 1fr;
  align-items: center;
  gap: 5.7cqw;
  height: 38.83cqw;
  min-height: 163px;
  padding: 0 6.33cqw;
  border-bottom: 1.17cqw solid var(--color-yellow);
  color: #fff;
  background: var(--color-black);
}

.info-block {
  align-self: center;
  padding-top: 0;
}

.info-divider {
  align-self: center;
  width: 0.25cqw;
  min-height: 25cqw;
  background: #545454;
}

.info-label {
  position: relative;
  margin: 0 0 1.58cqw;
  color: var(--color-yellow);
  font-family: var(--font-bold);
  font-size: 3.33cqw;
  font-weight: 700;
  font-synthesis: none;
  line-height: 1;
}

.info-label::before,
.past-year span::before {
  display: inline-block;
  width: 2.5cqw;
  height: 2.5cqw;
  margin-right: 2.5cqw;
  background: var(--color-yellow);
  transform: rotate(45deg);
  content: "";
}

.event-info .info-block:last-child .info-label::before {
  border-radius: 50%;
  transform: none;
}

.info-main {
  margin: 0;
  font-family: var(--font-medium);
  font-size: 4.58cqw;
  font-weight: 500;
  line-height: 1.27;
}

.info-time,
.info-place {
  margin: 0;
  color: #b1b1b1;
  font-family: var(--font-medium);
  font-size: 3.75cqw;
  font-weight: 500;
  line-height: 1.28;
}

.info-time {
  white-space: nowrap;
}

.info-time strong,
.info-place {
  color: var(--color-yellow);
  font-family: var(--font-medium);
  font-weight: 500;
}

.program {
  padding: 7.75cqw 7.25cqw 8.1cqw;
  background: var(--color-paper);
}

.current-program {
  border-bottom: 1.17cqw solid var(--color-yellow);
}

.section-heading {
  display: flex;
  align-items: center;
  gap: 3.1cqw;
  margin-bottom: 6.2cqw;
}

.section-heading h1,
.section-heading h2 {
  margin: 0;
  font-family: var(--font-medium);
  font-size: 4.58cqw;
  font-weight: 500;
  font-synthesis: none;
  line-height: 1;
  white-space: nowrap;
}

.heading-line {
  height: 0.17cqw;
  flex: 1 1 auto;
  background: var(--color-rule);
}

.heading-glyphs {
  display: inline-flex;
  align-items: center;
  gap: 1.05cqw;
  flex: 0 0 auto;
}

.heading-glyphs i {
  display: block;
  width: 2.5cqw;
  height: 2.5cqw;
  background: var(--color-black);
}

.heading-glyphs i:first-child {
  transform: rotate(45deg);
}

.heading-glyphs i:nth-child(2) {
  border-radius: 50%;
  background: var(--color-yellow);
  outline: 0.25cqw solid var(--color-black);
}

.session-list {
  position: relative;
  margin-left: 0.5cqw;
  border: 0.25cqw solid var(--color-black);
  background: var(--color-black);
  box-shadow: 0.5cqw 0.5cqw 0 var(--color-black);
}

.session-list::after {
  position: absolute;
  top: -0.25cqw;
  right: -1.25cqw;
  bottom: -0.25cqw;
  width: 1.25cqw;
  background: var(--color-yellow);
  border: 0.25cqw solid var(--color-black);
  content: "";
}

.session-card {
  display: grid;
  grid-template-columns: 16.42cqw 1fr;
  --session-base-height: max(96px, 22.92cqw);
  min-height: max(96px, 22.92cqw);
  background: var(--color-card);
}

.session-card + .session-card {
  border-top: 0.25cqw solid var(--color-black);
}

.session-number {
  display: grid;
  align-items: start;
  min-height: var(--session-base-height);
  padding: 0;
}

.session-number::before {
  display: block;
  grid-area: 1 / 1;
  height: var(--session-base-height);
  content: "";
}

.session-number.dark {
  color: var(--color-yellow);
  background: var(--color-black);
}

.session-number.yellow {
  color: var(--color-black);
  background: var(--color-yellow);
}

.session-number > span {
  grid-area: 1 / 1;
  align-self: start;
  justify-self: center;
  margin-top: 5.2cqw;
  font-family: var(--font-swagger);
  font-size: 3.33cqw;
  font-weight: 700;
  line-height: 1;
}

.session-number > span::after {
  display: block;
  width: 3.33cqw;
  height: 0.25cqw;
  margin: 1.25cqw auto 0;
  background: currentColor;
  content: "";
}

.session-number small {
  grid-area: 1 / 1;
  align-self: start;
  justify-self: center;
  margin-top: 11.9cqw;
  color: #b1b1b1;
  font-family: var(--font-swagger);
  font-size: 2.08cqw;
  font-weight: 500;
  line-height: 1.05;
  text-align: center;
}

.time-tilde {
  font-family: var(--font-medium);
  font-size: 0.9em;
  line-height: 1;
}

.time-tilde::after {
  content: none;
}

.session-number.yellow small {
  color: #d58400;
}

.session-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 14.2cqw;
  align-items: center;
  gap: 4.2cqw;
  min-width: 0;
  padding: 4.35cqw 4.35cqw 4.2cqw;
}

.session-body > div {
  min-width: 0;
}

.session-body h2,
.session-body h3 {
  margin: 0 0 2.75cqw;
  font-family: var(--font-bold);
  font-size: 2.5cqw;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0;
  white-space: normal;
}

.session-body p {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2.85cqw;
  width: fit-content;
  margin: 0;
  font-family: var(--font-bold);
  font-size: 2.4cqw;
  font-weight: 700;
  line-height: 1;
}

.session-body a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 11cqw;
  height: 3.92cqw;
  border: 0.25cqw solid var(--color-black);
  background: var(--color-yellow);
  font-family: var(--font-medium);
  font-size: 2.08cqw;
  font-weight: 500;
  line-height: 1;
}

.session-description {
  display: none;
  margin-top: 2.2cqw;
  color: var(--color-black);
  font-family: var(--font-medium);
  font-size: 1.68cqw;
  font-weight: 500;
  line-height: 1.35;
}

.session-description p {
  display: block;
  width: auto;
  margin: 0 0 1.35cqw;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.session-description h4 {
  margin: 2.1cqw 0 1.1cqw;
  font-family: var(--font-bold);
  font-size: 1.08em;
  font-weight: 700;
  line-height: 1.2;
}

.session-description ul {
  margin: 0;
  padding-left: 2.4cqw;
}

.session-description li + li {
  margin-top: 0.8cqw;
}

.session-description a {
  display: inline;
  width: auto;
  height: auto;
  border: 0;
  background: transparent;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
  text-decoration: underline;
}

.session-card.is-expanded .session-description {
  display: block;
}

.speaker-photo {
  width: 14.2cqw;
  height: 14.2cqw;
  justify-self: end;
  border-radius: 50%;
  background: var(--color-muted);
}

.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 62cqw;
  max-width: calc(100% - 10cqw);
  min-height: 9.92cqw;
  margin: 7.35cqw auto 0;
  border: 0.25cqw solid var(--color-black);
  background: var(--color-yellow);
  box-shadow: 0.33cqw 0.33cqw 0 var(--color-black);
  font-family: var(--font-medium);
  font-size: 2.85cqw;
  font-weight: 500;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
}

.past-year {
  padding: 0 6.33cqw;
  border-bottom: 1.17cqw solid var(--color-yellow);
  color: #fff;
  background: var(--color-black);
}

.past-year h2 {
  display: flex;
  align-items: center;
  gap: 2.15cqw;
  height: 15.33cqw;
  margin: 0;
  font-family: var(--font-bold);
  font-size: 4.0cqw;
  font-weight: 700;
  font-synthesis: none;
  line-height: 1;
  white-space: nowrap;
}

.past-year span {
  margin: 0;
  color: var(--color-yellow);
  font-family: var(--font-title);
  font-size: 4.58cqw;
  font-weight: 400;
  font-synthesis: none;
}

.past-year b {
  flex: 1 1 16.9cqw;
  height: 0.25cqw;
  background: #fff;
}

.last-program {
  padding-bottom: 8.4cqw;
}

.footer {
  padding: 3.75cqw 7.25cqw 6.2cqw;
  border-top: 1.17cqw solid var(--color-yellow);
  color: #fff;
  background: var(--color-black);
  text-align: center;
}

.footer p {
  margin: 0;
  font-family: var(--font-medium);
  font-size: 2.92cqw;
  font-weight: 500;
  line-height: 2;
}

.footer p:first-child {
  color: var(--color-yellow);
}

.footer-inline-icons {
  display: inline-flex;
  align-items: center;
  gap: 2.4cqw;
}

.old_sites {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 3.6cqw;
}

.old_sites a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

@media (min-width: 720px) {
  :root {
    --stage-width: 90vw;
  }

  .page-shell {
    margin-block: 0 24px;
  }
}

/* Desktop layout is device-based, not viewport-width-based. */
html.device-desktop .page-shell {
  display: block;
  width: 100vw;
  max-width: none;
  margin-block: 0 24px;
  box-shadow: none;
}

html.device-desktop .year-nav {
  height: clamp(48px, 7.17cqw, 86px);
  min-height: 0;
  padding-left: 6.33cqw;
  font-size: 1.88cqw;
  line-height: clamp(48px, 7.17cqw, 86px);
}

html.device-desktop .year-nav a {
  width: 12.33cqw;
}

html.device-desktop .year-nav a:first-child {
  width: 10.83cqw;
}

html.device-desktop .hero,
html.device-desktop .event-info {
  min-height: 0;
}

html.device-desktop .hero {
  height: clamp(230px, 26.67cqw, 320px);
}

html.device-desktop .hero-copy {
  left: 6.33cqw;
  top: 50%;
  padding-left: 2.42cqw;
}

html.device-desktop .hero-copy::before {
  top: 0.55cqw;
  bottom: -0.4cqw;
  width: 0.33cqw;
}

html.device-desktop .hero-title {
  margin-bottom: 1.12cqw;
  font-size: 5.35cqw;
  line-height: 0.95;
}

html.device-desktop .hero-title br {
  display: none;
}

html.device-desktop .hero-kicker {
  max-width: none;
  font-size: 1.67cqw;
  white-space: nowrap;
}

html.device-desktop .mark {
  top: 50%;
  right: 8cqw;
  width: clamp(132px, 16.85cqw, 202px);
}

html.device-desktop .event-info {
  grid-template-columns: 1fr 0.25cqw 1fr;
  align-items: center;
  gap: 5.7cqw;
  height: clamp(210px, 21.67cqw, 260px);
  padding: 0 6.33cqw;
  border-bottom-width: clamp(8px, 1.17cqw, 14px);
}

html.device-desktop .info-divider {
  display: block;
  min-height: 10.3cqw;
}

html.device-desktop .info-label {
  margin-bottom: 1.25cqw;
  font-size: 1.67cqw;
}

html.device-desktop .info-label::before,
html.device-desktop .past-year span::before {
  width: 1.5cqw;
  height: 1.5cqw;
  margin-right: 1.5cqw;
}

html.device-desktop .info-main {
  font-size: 1.67cqw;
  line-height: 1.7;
}

html.device-desktop .info-time,
html.device-desktop .info-place {
  font-size: 1.67cqw;
  line-height: 1.7;
}

html.device-desktop .program {
  padding: clamp(54px, 6.2cqw, 80px) clamp(56px, 7cqw, 90px);
}

html.device-desktop .section-heading {
  gap: clamp(24px, 2.8cqw, 36px);
  margin-bottom: clamp(38px, 4.5cqw, 58px);
}

html.device-desktop .section-heading h1,
html.device-desktop .section-heading h2 {
  font-size: 3cqw;
}

html.device-desktop .heading-line {
  height: 2px;
}

html.device-desktop .heading-glyphs {
  gap: clamp(8px, 0.9cqw, 12px);
}

html.device-desktop .heading-glyphs i {
  width: clamp(14px, 1.45cqw, 19px);
  height: clamp(14px, 1.45cqw, 19px);
}

html.device-desktop .heading-glyphs i:nth-child(2) {
  outline-width: 2px;
}

html.device-desktop .session-list {
  display: block;
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  border-width: 2px;
  box-shadow: clamp(4px, 0.5cqw, 6px) clamp(4px, 0.5cqw, 6px) 0 var(--color-black);
}

html.device-desktop .session-list::after {
  top: -2px;
  right: -10px;
  bottom: -2px;
  width: 10px;
  border-width: 2px;
}

html.device-desktop .session-card {
  grid-template-columns: 11.06cqw minmax(0, 1fr);
  --session-base-height: 14.84cqw;
  min-height: var(--session-base-height);
}

html.device-desktop .session-card + .session-card {
  border-top: 2px solid var(--color-black);
}

html.device-desktop .session-card:nth-child(2n) {
  border-left: 0;
}

html.device-desktop .session-number > span {
  margin-top: 4.52cqw;
  font-size: 1.82cqw;
}

html.device-desktop .session-number > span::after {
  width: 1.82cqw;
  height: 2px;
  margin-top: 0.63cqw;
}

html.device-desktop .session-number small {
  margin-top: 8.44cqw;
  font-size: 0.95cqw;
}

html.device-desktop .session-body {
  grid-template-columns: minmax(0, 1fr) 5.6cqw;
  gap: 1.68cqw;
  padding: 2.03cqw;
}

html.device-desktop .session-body h2,
html.device-desktop .session-body h3 {
  margin-bottom: 1.12cqw;
  font-size: 1.26cqw;
}

html.device-desktop .session-body p {
  gap: 1.19cqw;
  font-size: 0.95cqw;
}

html.device-desktop .session-body a {
  width: 5.04cqw;
  height: 1.89cqw;
  border-width: 2px;
  font-size: 0.88cqw;
}

html.device-desktop .session-description {
  margin-top: 1.19cqw;
  font-size: 0.74cqw;
}

html.device-desktop .session-description p {
  margin-bottom: clamp(10px, 1.1cqw, 14px);
}

html.device-desktop .session-description h4 {
  margin: clamp(14px, 1.45cqw, 19px) 0 clamp(8px, 0.8cqw, 11px);
}

html.device-desktop .session-description ul {
  padding-left: clamp(16px, 1.8cqw, 24px);
}

html.device-desktop .speaker-photo {
  width: 5.6cqw;
  height: 5.6cqw;
}

html.device-desktop .cta {
  width: 42cqw;
  min-height: 6cqw;
  margin-top: clamp(48px, 5.6cqw, 72px);
  border-width: 2px;
  box-shadow: 4px 4px 0 var(--color-black);
  font-size: 1.55cqw;
}

html.device-desktop .past-year {
  padding: 0 clamp(56px, 7cqw, 90px);
  border-bottom-width: clamp(7px, 0.9cqw, 11px);
}

html.device-desktop .past-year h2 {
  gap: clamp(20px, 2.4cqw, 31px);
  height: clamp(86px, 9.2cqw, 118px);
  font-size: 2.9cqw;
}

html.device-desktop .past-year span {
  font-size: 3.5cqw;
}

html.device-desktop .past-year b {
  flex: 1 1 auto;
  height: 2px;
}

html.device-desktop .footer {
  padding: clamp(44px, 4.8cqw, 62px) clamp(56px, 7cqw, 90px) clamp(56px, 6.5cqw, 83px);
  border-top-width: clamp(7px, 0.9cqw, 11px);
}

html.device-desktop .footer p {
  font-size: 1.8cqw;
}

html.device-desktop .footer-inline-icons {
  gap: clamp(16px, 2cqw, 26px);
}

html.device-desktop .old_sites {
  gap: clamp(24px, 3.2cqw, 42px);
}

@media (max-width: 380px) {
  .session-body h2,
  .session-body h3 {
    font-size: 4.25cqw;
  }
}

.speaker-photo {
  flex: 0 0 14.2cqw;
  width: 14.2cqw;
  height: 14.2cqw;
  border-radius: 50%;
  background: var(--color-muted);
  
  /* 👇 아래 코드를 추가해 줘! */
  display: block;      /* 인라인 속성을 해제해서 부모 그리드/플렉스 정렬에 맞추게 함 */
  object-fit: cover;   /* 사진이 가로나 세로로 찌그러지지 않게 정비율로 채움 */
}

.logo-photo {
  padding: 1.8cqw;
  background: #fff;
  object-fit: contain;
}

.ucpc-session-photo {
  border-radius: 50%;
  padding: 2.2cqw;
  background: var(--color-yellow);
  object-fit: contain;
}

html.device-desktop .logo-photo {
  padding: 0.7cqw;
}

html.device-desktop .ucpc-session-photo {
  padding: 0.85cqw;
}