@import url("https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Manrope:wght@400;500;600;650;700;750;800&display=swap");
:root {
  --blue: #193fda;
  --ink: #172030;
  --muted: #69717e;
  --paper: #f7f8fa;
  --line: #e1e4e9;
  --mint: #d4f6c5;
  --display: "Manrope", Arial, sans-serif;
  --body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
}
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.6;
  background: #fff;
}
button,
input,
textarea,
select {
  font: inherit;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
a,
input,
textarea,
summary {
  -webkit-tap-highlight-color: transparent;
}
button,
a,
summary {
  touch-action: manipulation;
}
button {
  cursor: pointer;
}
button:disabled {
  opacity: 0.55;
  cursor: wait;
}
[hidden] {
  display: none !important;
}
h1,
h2,
h3,
h4,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-family: var(--display);
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.045em;
}
h2 {
  font-size: 48px;
}
em {
  font-style: normal;
  color: var(--blue);
}
:focus-visible {
  outline: 3px solid #819aff;
  outline-offset: 4px;
}
a:hover {
  color: var(--blue);
}
.skip-link {
  position: fixed;
  left: 16px;
  top: -80px;
  background: white;
  padding: 12px;
  z-index: 100;
}
.skip-link:focus {
  top: 8px;
}
.site-header {
  height: 92px;
  padding: 0 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: #fff;
  position: relative;
  z-index: 20;
}
.brand {
  display: flex;
  align-items: center;
  gap: 20px;
}
.brand img,
.site-footer img {
  width: auto;
  height: 44px;
  object-fit: contain;
}
.brand-divider {
  height: 31px;
  width: 1px;
  background: #cfd3db;
}
.anniversary-wordmark {
  font-size: 10px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.09em;
}
.site-header nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.nav-about {
  font-size: 13px;
  font-weight: 500;
}
.language-switch {
  display: flex;
  gap: 8px;
  font-size: 12px;
  align-items: center;
  color: #999;
}
.language-switch button {
  border: 0;
  background: none;
  padding: 6px 2px;
  font-size: 12px;
  color: #7d8591;
}
.language-switch button[aria-pressed="true"] {
  color: var(--ink);
  font-weight: 700;
}
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 28px;
  padding: 17px 25px;
  background: var(--blue);
  color: #fff;
  border: 1px solid var(--blue);
  border-radius: 5px;
  font-weight: 600;
  font-size: 14px;
  line-height: 1.4;
  transition:
    background 0.15s,
    transform 0.15s;
}
.button:hover {
  background: #1232b5;
  color: #fff;
  transform: translateY(-1px);
}
.button-small {
  font-size: 12px;
  padding: 11px 18px;
  gap: 24px;
}
.button-outline {
  background: transparent;
  color: var(--blue);
}
.button-light {
  background: #fff;
  border-color: #fff;
  color: var(--blue);
}
.eyebrow {
  display: block;
  font-size: 10px;
  letter-spacing: 0.16em;
  font-weight: 700;
  line-height: 1.5;
}
.live-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  background: var(--blue);
  border-radius: 50%;
  margin-right: 8px;
}
.hero {
  display: grid;
  grid-template-columns: 1.12fr 1fr;
  min-height: 640px;
  padding: 0 5%;
  gap: 4%;
  max-width: 1600px;
  margin: auto;
}
.hero-copy {
  padding: 67px 0 45px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.hero h1 {
  font-size: clamp(56px, 5.7vw, 88px);
  margin: 30px 0 25px;
  line-height: 1.06;
  letter-spacing: -0.065em;
}
.hero-description {
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  max-width: 380px;
}
.hero-button {
  margin-top: 28px;
}
.hero-date {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-top: 42px;
}
.date-mark {
  font-family: var(--display);
  font-size: 28px;
  border-right: 1px solid #d5d9df;
  padding-right: 15px;
  line-height: 1.2;
}
.hero-date div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.hero-date strong {
  font-size: 10px;
  letter-spacing: 0.08em;
  font-weight: 650;
}
.hero-date div > span {
  font-size: 11px;
  color: var(--muted);
}
.anniversary-art {
  background: var(--blue);
  color: #fff;
  position: relative;
  overflow: hidden;
  margin: 30px 0;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 30px;
  isolation: isolate;
}
.art-top,
.art-bottom {
  display: flex;
  justify-content: space-between;
  font-size: 9px;
  letter-spacing: 0.12em;
  line-height: 1.6;
  font-weight: 500;
  z-index: 2;
}
.art-top span:last-child {
  text-align: right;
}
.anniversary-number {
  font-family: var(--display);
  font-weight: 750;
  font-size: clamp(160px, 26vw, 385px);
  letter-spacing: -0.1em;
  line-height: 1;
  text-align: center;
  position: relative;
  margin-left: -0.08em;
  z-index: 2;
}
.anniversary-number > span {
  font-size: 20px;
  position: absolute;
  top: 25%;
  right: 0;
  letter-spacing: -0.02em;
  color: var(--mint);
  font-weight: 600;
}
.art-star {
  font-size: 65px;
  line-height: 0.8;
  color: var(--mint);
}
.orbit {
  position: absolute;
  border: 1px solid #ffffff26;
  border-radius: 50%;
  width: 610px;
  height: 610px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
}
.orbit-two {
  width: 490px;
  height: 490px;
}
.orbit-three {
  width: 365px;
  height: 365px;
}
.art-bottom {
  align-items: end;
}
.event-strip {
  background: var(--paper);
  padding: 28px 5%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.event-strip > div {
  padding: 0 30px;
  border-left: 1px solid #d9dde4;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.event-strip > div:first-child {
  padding-left: 0;
  border: 0;
}
.detail-label {
  font-size: 9px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 4px;
  font-weight: 600;
}
.event-strip strong {
  font-size: 16px;
  font-weight: 550;
  letter-spacing: -0.02em;
}
.event-strip div > span:last-child {
  font-size: 12px;
  color: var(--muted);
}
.section-wrap {
  max-width: 1380px;
  margin: 0 auto;
  padding-left: 5%;
  padding-right: 5%;
}
.celebration {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9%;
  padding-top: 100px;
  padding-bottom: 100px;
  align-items: center;
}
.seoul-photo {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  height: 485px;
  background: #20252d;
}
.seoul-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.seoul-photo:after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(transparent 40%, #0008);
}
.photo-caption {
  position: absolute;
  bottom: 30px;
  left: 30px;
  color: #fff;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.photo-caption span {
  font-size: 10px;
  letter-spacing: 0.15em;
}
.photo-caption strong {
  font-family: var(--display);
  font-size: 64px;
  letter-spacing: -0.06em;
  font-weight: 500;
  line-height: 1.2;
}
.celebration-copy > .eyebrow {
  color: var(--blue);
  margin-bottom: 22px;
}
.celebration h2 {
  margin-bottom: 25px;
  font-size: 48px;
  line-height: 1.13;
}
.celebration p {
  color: #5a6473;
  line-height: 1.8;
  font-size: 14px;
  max-width: 420px;
}
.celebration p.muted {
  font-size: 12px;
  margin-top: 17px;
  color: #79818c;
}
.text-link {
  display: inline-block;
  font-weight: 600;
  font-size: 12px;
  border: 0;
  border-bottom: 1px solid currentColor;
  padding: 0 0 4px;
  background: none;
  color: var(--blue);
  line-height: 1.5;
}
.celebration .text-link {
  margin-top: 22px;
}
.registration-section {
  background: var(--paper);
  padding: 80px 0 85px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 38px;
}
.section-heading .eyebrow {
  color: var(--blue);
  margin-bottom: 13px;
}
.section-heading h2 {
  font-size: 38px;
}
.section-heading > p {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.8;
  max-width: 270px;
}
.registration-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
}
.registration-form,
.registration-result {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 32px;
}
.form-heading {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}
.step-number {
  font-size: 12px;
  background: #edf0fd;
  color: var(--blue);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
}
.form-heading h3 {
  font-size: 21px;
  letter-spacing: -0.025em;
}
.form-heading p {
  font-size: 11px;
  color: var(--muted);
  margin-top: 5px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 20px;
}
.full-width {
  grid-column: 1/-1;
}
label {
  display: block;
  font-size: 12px;
  font-weight: 550;
}
label > span {
  display: block;
  margin-bottom: 7px;
}
input:not([type="checkbox"]),
textarea,
select {
  width: 100%;
  padding: 12px 13px;
  font-size: 13px;
  border: 1px solid #d7dce3;
  background: #fff;
  border-radius: 4px;
  color: var(--ink);
  line-height: 1.5;
  transition: border-color 0.15s;
}
input::placeholder,
textarea::placeholder {
  color: #949ba6;
}
input:focus,
textarea:focus {
  border-color: var(--blue);
  outline: 2px solid #193fda15;
  outline-offset: 1px;
}
textarea {
  resize: vertical;
  min-height: 90px;
}
label small {
  display: block;
  margin-top: 6px;
  font-size: 10px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--muted);
}
.honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.registration-terms {
  margin-top: 27px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}
.registration-terms h4 {
  font-size: 13px;
  margin-bottom: 8px;
}
.registration-terms > p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 17px;
}
.checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 11px;
  font-weight: 400;
  line-height: 1.7;
}
.checkbox input {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  accent-color: var(--blue);
  margin: 2px 0;
}
.checkbox span {
  margin: 0;
}
.registration-terms .text-link {
  margin: 12px 0 0 26px;
  font-size: 10px;
}
.form-submit {
  width: 100%;
  margin-top: 25px;
}
.form-footnote {
  text-align: center;
  font-size: 10px;
  color: var(--muted);
  margin-top: 10px;
  line-height: 1.7;
}
.form-error,
.notice {
  font-size: 12px;
  padding: 12px 14px;
  border-radius: 4px;
  color: #a02a2a;
  background: #fff0ed;
  margin-top: 16px;
}
.notice {
  margin: 0 0 16px;
}
.order-summary {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 3px solid var(--blue);
  border-radius: 5px;
  padding: 28px;
  position: sticky;
  top: 25px;
}
.summary-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 15px;
}
.summary-top .eyebrow {
  font-size: 9px;
}
.mini-anniversary {
  font-size: 34px;
  line-height: 1;
  font-family: var(--display);
  font-weight: 700;
  letter-spacing: -0.08em;
  color: var(--blue);
}
.mini-anniversary sup {
  font-size: 8px;
  vertical-align: top;
  letter-spacing: 0;
  position: relative;
  top: 4px;
  margin-left: 3px;
}
.order-summary h3 {
  font-size: 30px;
  line-height: 1.15;
}
.summary-date {
  font-size: 11px;
  color: var(--muted);
  margin-top: 14px;
  padding-bottom: 25px;
  border-bottom: 1px solid var(--line);
}
.ticket-line {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  padding: 22px 0;
}
.price-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
}
.price-line > span {
  font-size: 12px;
  font-weight: 600;
}
.price-line strong {
  font-family: var(--display);
  font-size: 37px;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: -0.055em;
}
.price-line small {
  font-size: 11px;
  font-family: var(--body);
  letter-spacing: 0;
  font-weight: 500;
}
.currency-note {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 10px;
}
.summary-steps {
  margin: 25px 0;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.summary-steps > div {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.summary-steps > div:last-child {
  margin: 0;
}
.summary-steps span {
  font-size: 9px;
  color: var(--blue);
  font-weight: 700;
}
.summary-steps p {
  font-size: 11px;
}
.summary-help {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 10px;
  color: var(--muted);
}
.summary-help a {
  font-size: 12px;
  color: var(--blue);
  font-weight: 600;
}
.result-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #eef7e9;
  color: #386d25;
  font-size: 25px;
  display: grid;
  place-items: center;
  margin-bottom: 23px;
}
.registration-result .eyebrow {
  color: var(--blue);
  margin-bottom: 8px;
}
.registration-result h3 {
  font-size: 30px;
  margin-bottom: 15px;
}
.registration-result > p {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.8;
}
.receipt {
  margin: 22px 0;
  background: var(--paper);
  border-radius: 4px;
  padding: 10px 18px;
}
.receipt > div {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}
.receipt dt {
  font-size: 11px;
  color: var(--muted);
}
.receipt dd {
  font-size: 12px;
  margin: 0;
  font-weight: 550;
  text-align: right;
  overflow-wrap: anywhere;
}
.status-pill {
  display: inline-block;
  background: #fff1d6;
  color: #805b16;
  border-radius: 20px;
  padding: 4px 9px;
  font-size: 10px;
  white-space: nowrap;
}
.status-pill.confirmed {
  background: #e7f3e1;
  color: #386d25;
}
.status-pill.payment_review {
  background: #fff0ed;
  color: #a02a2a;
}
.payment-instruction {
  font-size: 12px;
  color: var(--muted);
}
#refresh-status {
  margin-top: 20px;
}
.faq {
  padding-top: 85px;
  padding-bottom: 90px;
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 9%;
}
.faq .eyebrow {
  color: var(--blue);
  margin-bottom: 14px;
}
.faq h2 {
  font-size: 43px;
  margin-bottom: 23px;
}
.faq details {
  border-bottom: 1px solid var(--line);
}
.faq details:first-child {
  border-top: 1px solid var(--line);
}
.faq summary {
  list-style: none;
  cursor: pointer;
  padding: 21px 24px 21px 0;
  position: relative;
  font-size: 13px;
  font-weight: 500;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary:after {
  content: "+";
  position: absolute;
  right: 1px;
  font-weight: 400;
  font-size: 19px;
  top: 17px;
  color: var(--muted);
}
.faq details[open] summary:after {
  content: "−";
}
.faq details p {
  font-size: 12px;
  color: var(--muted);
  padding: 0 20px 22px 0;
  line-height: 1.8;
}
.closing {
  padding: 68px 5%;
  text-align: center;
  background: var(--blue);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.closing .eyebrow {
  color: #ccd4ff;
}
.closing h2 {
  font-size: 58px;
  line-height: 1.13;
  margin: 20px 0 28px;
}
.closing em {
  color: var(--mint);
}
.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 5%;
  gap: 20px;
}
.site-footer > span,
.site-footer > a:last-child {
  font-size: 11px;
  color: var(--muted);
}
.mobile-cta {
  display: none;
}
dialog {
  max-width: 570px;
  width: calc(100% - 32px);
  padding: 36px;
  border: 0;
  border-radius: 10px;
  color: var(--ink);
  box-shadow: 0 20px 100px #0003;
}
dialog::backdrop {
  background: #101b3b88;
}
dialog h2 {
  font-size: 26px;
  margin: 12px 0 20px;
}
dialog p {
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}
dialog p + p {
  margin-top: 18px;
}
dialog a {
  color: var(--blue);
  text-decoration: underline;
}
.dialog-close {
  position: absolute;
  right: 15px;
  top: 8px;
  border: 0;
  background: none;
  font-size: 26px;
  color: var(--muted);
}
html[lang="ko"] h1 {
  font-size: clamp(50px, 5.1vw, 76px);
  line-height: 1.23;
  word-break: keep-all;
}
html[lang="ko"] h2 {
  word-break: keep-all;
  line-height: 1.25;
}
html[lang="ko"] .celebration h2 {
  font-size: 43px;
}
html[lang="ko"] .section-heading h2 {
  font-size: 34px;
}
@media (min-width: 1500px) {
  .hero {
    min-height: 720px;
  }
  .hero-copy {
    padding-top: 85px;
  }
  .anniversary-number {
    font-size: 390px;
  }
}
@media (max-width: 1050px) {
  .site-header nav {
    gap: 22px;
  }
  .hero {
    min-height: 590px;
    gap: 3%;
  }
  .hero h1 {
    font-size: 60px;
  }
  .hero-copy {
    padding-top: 50px;
  }
  .anniversary-art {
    padding: 24px;
  }
  .anniversary-number {
    font-size: 25vw;
  }
  .anniversary-number > span {
    font-size: 15px;
    right: -5px;
  }
  .registration-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 22px;
  }
  .registration-form,
  .registration-result {
    padding: 25px;
  }
  .order-summary {
    padding: 23px;
  }
  .section-heading {
    align-items: start;
    flex-direction: column;
    gap: 15px;
  }
  .section-heading > p {
    max-width: none;
  }
  .celebration {
    gap: 6%;
  }
  .celebration h2 {
    font-size: 40px;
  }
  .seoul-photo {
    height: 440px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 20px;
  }
  .site-header {
    height: 74px;
    padding: 0 6%;
  }
  .brand {
    gap: 12px;
  }
  .brand img {
    width: auto;
    height: 38px;
  }
  .brand-divider {
    height: 27px;
  }
  .anniversary-wordmark {
    font-size: 8px;
  }
  .nav-about,
  .site-header nav > .button {
    display: none;
  }
  .site-header nav {
    gap: 12px;
  }
  .hero {
    grid-template-columns: 1fr;
    padding: 0 6%;
    gap: 0;
  }
  .hero-copy {
    padding: 42px 0 32px;
  }
  .hero .eyebrow {
    font-size: 9px;
  }
  .hero h1 {
    font-size: clamp(48px, 10vw, 74px);
    margin: 23px 0 20px;
  }
  .hero-description {
    font-size: 14px;
    max-width: 340px;
  }
  .hero-button {
    margin-top: 23px;
    font-size: 13px;
  }
  .hero-date {
    margin-top: 28px;
  }
  .anniversary-art {
    height: 390px;
    margin: 0 0 28px;
    padding: 24px;
  }
  .anniversary-number {
    font-size: 260px;
    line-height: 0.85;
    max-width: 340px;
    width: 100%;
    align-self: center;
  }
  .anniversary-number > span {
    right: 0;
    top: 19%;
    font-size: 18px;
  }
  .art-top,
  .art-bottom {
    font-size: 8px;
  }
  .art-star {
    font-size: 46px;
  }
  .event-strip {
    grid-template-columns: 1fr;
    padding: 8px 6%;
  }
  .event-strip > div,
  .event-strip > div:first-child {
    padding: 17px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 4px 12px;
  }
  .event-strip > div:last-child {
    border: 0;
  }
  .event-strip .detail-label {
    grid-row: 1/3;
    margin: 3px 0 0;
  }
  .event-strip strong {
    font-size: 14px;
  }
  .event-strip div > span:last-child {
    font-size: 10px;
  }
  .section-wrap {
    padding-left: 6%;
    padding-right: 6%;
  }
  .celebration {
    grid-template-columns: 1fr;
    padding-top: 58px;
    padding-bottom: 58px;
    gap: 32px;
  }
  .seoul-photo {
    height: 340px;
  }
  .photo-caption strong {
    font-size: 55px;
  }
  .celebration h2 {
    font-size: 38px;
  }
  .celebration-copy > p {
    max-width: none;
  }
  .celebration-copy > .eyebrow {
    margin-bottom: 16px;
  }
  .registration-section {
    padding: 50px 0;
  }
  .section-heading {
    gap: 14px;
    margin-bottom: 25px;
  }
  .section-heading h2 {
    font-size: 33px;
  }
  .registration-layout {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .order-summary {
    position: static;
    grid-row: 1;
    padding: 23px;
  }
  .order-summary h3 {
    font-size: 25px;
  }
  .order-summary h3 br {
    display: none;
  }
  .summary-top {
    margin-bottom: 7px;
  }
  .summary-date {
    padding-bottom: 17px;
    margin-top: 9px;
  }
  .ticket-line {
    padding: 16px 0;
  }
  .summary-steps,
  .summary-help {
    display: none;
  }
  .price-line {
    padding-top: 13px;
  }
  .price-line strong {
    font-size: 32px;
  }
  .registration-form,
  .registration-result {
    padding: 24px 20px;
  }
  .form-grid {
    gap: 19px 14px;
  }
  .form-heading {
    gap: 10px;
  }
  .form-heading h3 {
    font-size: 20px;
  }
  .form-heading p {
    font-size: 10px;
  }
  .form-heading .step-number {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
  }
  input:not([type="checkbox"]),
  textarea {
    font-size: 16px;
    padding: 11px;
  }
  .form-footnote {
    font-size: 10px;
  }
  .faq {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-top: 55px;
    padding-bottom: 55px;
  }
  .faq h2 {
    font-size: 37px;
  }
  .faq summary {
    font-size: 12px;
  }
  .closing {
    padding: 55px 6%;
  }
  .closing h2 {
    font-size: 42px;
  }
  .site-footer {
    flex-wrap: wrap;
    padding: 25px 6% 100px;
  }
  .site-footer img {
    width: auto;
    height: 40px;
  }
  .site-footer > a:last-child {
    width: 100%;
  }
  .mobile-cta {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fffffff5;
    backdrop-filter: blur(10px);
    padding: 12px 6% calc(12px + env(safe-area-inset-bottom));
    border-top: 1px solid var(--line);
    z-index: 15;
    justify-content: space-between;
    align-items: center;
  }
  .mobile-cta > span {
    font-size: 11px;
  }
  .mobile-cta strong {
    font-family: var(--display);
    font-size: 23px;
    margin-left: 4px;
    letter-spacing: -0.04em;
  }
  .mobile-cta .button {
    min-width: 150px;
  }
  .mobile-cta.is-hidden {
    display: none;
  }
  .receipt > div {
    align-items: start;
  }
  .receipt dd {
    max-width: 65%;
  }
  html[lang="ko"] h1 {
    font-size: clamp(42px, 9vw, 65px);
  }
  html[lang="ko"] .celebration h2 {
    font-size: 36px;
  }
  html[lang="ko"] .section-heading h2 {
    font-size: 29px;
  }
}
@media (max-width: 370px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
  .anniversary-art {
    height: 340px;
  }
  .anniversary-number {
    font-size: 225px;
  }
  .anniversary-number > span {
    right: 5px;
  }
  .hero h1 {
    font-size: 44px;
  }
  .hero-date strong {
    font-size: 9px;
  }
  .registration-form,
  .registration-result {
    padding: 20px 16px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    transition: none !important;
  }
}