.mobile-only {
  display: none;
}

@media (max-width: 1080px) {
  .desktop-only {
    display: none;
  }

  span.mobile-only {
    display: inline;
  }

  br.mobile-only {
    display: block;
  }

  .grab-hint {
    cursor: auto;
  }

  /* Hero */
  .hero {
    height: 3000px;
  }

  .hero-bg img {
    height: 141.23%;
    width: 294.24%;
    left: -99.02%;
    top: -20.61%;
  }

  .logo {
    left: 50%;
    top: 230px;
    width: 500px;
    height: 56px;
    transform: translateX(-50%);
  }

  .hero-copy {
    left: 50%;
    top: 476px;
    width: 1417px;
    transform: translateX(-50%);
  }

  .hero-title {
    flex-direction: column;
    align-items: center;
    gap: 20px;
    font-size: 150px;
    text-align: center;
  }

  .hero-title .brand {
    width: 100%;
    letter-spacing: -7.5px;
    text-align: center;
  }

  .hero-title .accent {
    letter-spacing: -6px;
  }

  /* First wake */
  .first-wake .date-box {
    left: 334px;
  }

  .first-wake .date {
    font-size: 140px;
  }

  .first-wake .master {
    font-size: 120px;
    letter-spacing: -6px;
  }

  /* Bullets */
  .bullets {
    height: 2200px;
  }

  .bullets-inner {
    width: 1557px;
    gap: 160px;
  }

  .bullets-head {
    font-size: 100px;
    letter-spacing: -5px;
    width: 958px;
  }

  .bullet-list {
    width: 100%;
    gap: 80px;
  }

  .bullet-card {
    height: 190px;
  }

  .bullet-card p {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .bullets-foot {
    font-size: 100px;
    letter-spacing: -5px;
  }

  /* Speakers */
  .speakers {
    height: 3016px;
  }

  .speakers-stack {
    display: flex;
    position: absolute;
    left: 50%;
    top: 50%;
    width: 1420px;
    flex-direction: column;
    gap: 200px;
    transform: translate(-50%, -50%);
  }

  .speaker-block {
    display: flex;
    width: 100%;
    align-items: flex-start;
    gap: 120px;
  }

  .speaker-block:last-child {
    gap: 116px;
  }

  .speaker-col {
    display: flex;
    width: 779px;
    flex-direction: column;
    gap: 50px;
  }

  .session-1-copy,
  .session-2-copy,
  .session-1-meta,
  .session-2-meta {
    position: static;
    left: auto;
    top: auto;
    width: auto;
  }

  .speaker-shin,
  .speaker-song {
    position: relative;
    left: auto;
    top: auto;
    flex-shrink: 0;
  }

  .session-1-meta,
  .session-2-meta {
    width: 100%;
    gap: 80px;
  }

  .speakers .headline {
    font-size: 120px;
    letter-spacing: -6px;
  }

  .speaker-bio h3 {
    font-size: 40px;
    letter-spacing: -2px;
    line-height: 1.2;
  }

  .speaker-bio p {
    font-size: 40px;
    letter-spacing: -2px;
    white-space: normal;
    line-height: 1.2;
  }

  .bio-line {
    display: block;
  }

  .curriculum {
    width: 1427px;
    margin-left: -636px;
  }

  .speaker-block:last-child .curriculum {
    margin-left: -641px;
  }

  .curriculum-head {
    display: flex;
    align-items: center;
    width: 100%;
    gap: 80px;
  }

  .curriculum-rule {
    display: block;
    flex: 1;
    width: auto;
    min-width: 0;
    height: 4px;
  }

  .curriculum-cards {
    gap: 28px;
  }

  .curriculum-card {
    width: 457px;
    height: 241px;
    padding: 39px 50px 40px;
    flex-shrink: 0;
  }

  .curriculum-card p {
    font-size: 50px;
    letter-spacing: -2.5px;
    white-space: nowrap;
  }

  /* Schedule */
  .schedule {
    height: 2678px;
  }

  .schedule-body {
    width: 1445px;
    gap: 200px;
  }

  .schedule-title {
    font-size: 120px;
    letter-spacing: -6px;
  }

  .schedule-rows {
    width: 100%;
    gap: 95px;
  }

  .schedule-row,
  .schedule-row.last {
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    border-bottom: 0;
  }

  .time-cell {
    width: 100%;
    height: 122px;
    font-size: 80px;
    letter-spacing: -4px;
    border-bottom: 2px solid #fff;
  }

  .desc-cell {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px 50px;
    font-size: 80px;
    letter-spacing: -4px;
  }

  .desc-cell strong {
    font-weight: 700;
  }

  /* Event info */
  .event-info {
    height: 3000px;
  }

  .event-info h2 {
    font-size: 80px;
    letter-spacing: -4px;
  }

  .event-main {
    display: flex;
    width: 100%;
    flex-direction: column;
    align-items: center;
    gap: 140px;
  }

  .pill {
    height: 65px;
    font-size: 50px;
    letter-spacing: 5px;
  }

  .pill-wide {
    width: 357px;
    height: 66px;
  }

  .event-date {
    font-size: 140px;
  }

  .event-meta {
    width: auto;
  }

  .event-meta-row {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .event-note {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .venue-block {
    gap: 93px;
  }

  .venue-name {
    font-size: 110px;
    letter-spacing: -5.5px;
  }

  .venue-addr {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .venue-extra {
    font-size: 60px;
    letter-spacing: -3px;
  }

  /* D-day: keep flip cards; only section chrome changes */
  .dday {
    height: 1162px;
    padding: 140px 0;
  }

  /* Form */
  .form-section {
    min-height: 4210px;
    padding: 180px 0;
  }

  .form-inner {
    gap: 180px;
  }

  .form-intro h2 {
    width: 1665px;
    max-width: none;
  }

  .form-intro-copy {
    margin-top: 40px;
    gap: 0;
  }

  .form-intro .limit {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .reg-form {
    gap: 100px;
  }

  .field-row {
    flex-direction: column;
    gap: 40px;
  }

  .field {
    width: 1242px;
    gap: 20px;
  }

  .field label,
  .q-label {
    font-size: 70px;
    letter-spacing: -3.5px;
  }

  .req {
    font-size: 70px;
  }

  .field input[type="text"],
  .field input[type="tel"] {
    width: 1242px;
    height: 140px;
    font-size: 48px;
    padding: 0 32px;
  }

  .q-block {
    gap: 40px;
  }

  .q-block.gap20 {
    gap: 40px;
  }

  .radio {
    font-size: 60px;
    letter-spacing: -3px;
  }

  .radio-mark {
    width: 68px;
    height: 68px;
    background-size: 68px 68px;
  }

  .radio input:checked + .radio-mark::after {
    inset: 14px;
  }

  .own-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 60px;
  }

  .opt-row,
  .channel-row {
    display: grid;
    width: 100%;
    align-items: center;
    column-gap: 74px;
    row-gap: 60px;
    flex-wrap: unset;
  }

  .opt-row {
    grid-template-columns: max-content max-content 449px;
    grid-template-rows: auto auto;
  }

  .opt-row .radio:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
  }

  .opt-row .radio:nth-child(2) {
    grid-column: 1;
    grid-row: 2;
  }

  .opt-row .radio:nth-child(3) {
    grid-column: 2;
    grid-row: 1;
  }

  .opt-row .radio:nth-child(4) {
    grid-column: 2;
    grid-row: 2;
  }

  .opt-row .radio:nth-child(5) {
    grid-column: 3;
    grid-row: 1;
  }

  .opt-row .etc-field {
    grid-column: 3;
    grid-row: 2;
    flex: none;
    width: 100%;
  }

  .channel-row {
    grid-template-columns: max-content max-content 486px;
    grid-template-rows: auto auto;
  }

  .channel-row .radio:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
  }

  .channel-row .radio:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
  }

  .channel-row .radio:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
  }

  .channel-row .radio:nth-child(4) {
    grid-column: 1;
    grid-row: 2;
  }

  .channel-row .radio:nth-child(5) {
    grid-column: 3;
    grid-row: 1;
  }

  .channel-row .etc-field {
    grid-column: 3;
    grid-row: 2;
    flex: none;
    width: 100%;
  }

  .etc-field input {
    width: 100%;
    height: 72px;
    border-color: #fff;
    border-radius: 20px;
    font-size: 36px;
  }

  .privacy-box {
    font-size: 36px;
    letter-spacing: -1.8px;
  }

  .privacy-agree {
    margin-top: 0;
    gap: 15px;
    font-size: 60px;
    letter-spacing: -3px;
  }

  .privacy-agree .radio-mark {
    width: 65px;
    height: 65px;
    border: 3px solid var(--muted);
    border-radius: 15px;
    background: none;
  }

  .privacy-agree input:checked + .radio-mark::after {
    inset: 12px;
    border-radius: 8px;
  }

  .form-toast {
    font-size: 40px;
    white-space: normal;
    width: 1200px;
  }

  .submit-btn {
    width: 688px;
    height: 231px;
    font-size: 130px;
    letter-spacing: -6.5px;
  }
}