/* =========================================================================
 * CONTACT page
 * ========================================================================= */

.contact-section {
  max-width: 1240px;
  padding-top: 160px;
  padding-bottom: 200px;
}

/* ----- Two-column layout (left aside / right form) ----- */

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 80px;
  align-items: start;
}

.contact-aside {
  position: sticky;
  top: calc(var(--header-h, 80px) + 24px);
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.contact-aside-eyebrow {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-mute);
  margin-bottom: 20px;
}

.contact-aside-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(48px, 5.4vw, 84px);
  letter-spacing: 0.01em;
  line-height: 0.95;
  margin-bottom: 24px;
}

.contact-aside-desc {
  font-size: 13px;
  line-height: 2;
  color: var(--text-mute);
}

.contact-aside-list {
  display: flex;
  flex-direction: column;
  gap: 28px;
  border-top: 1px solid var(--line);
  padding-top: 32px;
}

.contact-aside-item dt {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-mute);
  margin-bottom: 8px;
}

.contact-aside-item dd {
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.03em;
}

.contact-aside-item dd a {
  font-family: var(--font-en);
  letter-spacing: 0.03em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.contact-aside-item dd a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ----- Contact form (card-style, inspired by 21st.dev Contact 2) ----- */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 48px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.025) 0%, rgba(255,255,255,0) 60%),
    var(--ink);
}

.contact-form-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* Honeypot field — visually hidden but still in DOM so naive bots fill it.
 * Real users never see this label/input. */
.contact-form-hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form-label {
  display: flex;
  align-items: baseline;
  gap: 14px;
  cursor: pointer;
}

.contact-form-label-en {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  font-weight: 600;
  color: var(--text);
}

.contact-form-label-jp {
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-mute);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.contact-form-label-jp em {
  font-style: normal;
  padding: 2px 7px;
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.18em;
  color: var(--ink);
  background: var(--accent);
  border-radius: 2px;
}

.contact-form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  transition: border-color 0.3s ease, background 0.3s ease, box-shadow 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}

.contact-form-input::placeholder {
  color: rgba(255, 255, 255, 0.25);
}

.contact-form-input:hover {
  border-color: rgba(255, 255, 255, 0.28);
}

.contact-form-input:focus {
  outline: none;
  border-color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  box-shadow: 0 0 0 1px var(--text) inset;
}

.contact-form-input.is-invalid {
  border-color: var(--error);
  box-shadow: 0 0 0 1px var(--error) inset;
}

.contact-form-textarea {
  resize: vertical;
  min-height: 180px;
}

.contact-form-error {
  min-height: 16px;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--error);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.contact-form-error.is-visible {
  opacity: 1;
  transform: none;
}

.contact-form-actions {
  margin-top: 8px;
}

.contact-form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  gap: 14px;
  padding: 18px 32px;
  border: 1px solid var(--text);
  background: var(--text);
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.24em;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  border-radius: 999px;
  transition: background 0.3s, color 0.3s, border-color 0.3s, transform 0.2s;
}

.contact-form-submit:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--ink);
}

.contact-form-submit:hover .contact-form-submit-arrow {
  transform: translateX(4px);
}

.contact-form-submit-arrow {
  transition: transform 0.3s ease;
}

.contact-form-submit:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.contact-form-note {
  font-size: 11px;
  line-height: 1.9;
  color: var(--text-mute);
}

.contact-form.is-submitted .contact-form-row,
.contact-form.is-submitted .contact-form-actions,
.contact-form.is-submitted .contact-form-note {
  display: none;
}

.contact-form-success {
  text-align: center;
  padding: 56px 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
}

.contact-form-success-en {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(32px, 4.2vw, 56px);
  letter-spacing: 0.04em;
  margin-bottom: 20px;
  color: var(--accent);
}

.contact-form-success-jp {
  font-size: 13px;
  line-height: 2;
  color: var(--text-mute);
}

@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 56px;
  }
  .contact-aside {
    position: static;
  }
}

@media (max-width: 768px) { /* --bp-sp */
  .contact-section {
    padding-top: 100px;
    padding-bottom: 120px;
  }
  .contact-grid {
    gap: 48px;
  }
  .contact-form {
    padding: 32px 24px;
    gap: 24px;
  }
  .contact-form-label {
    flex-wrap: wrap;
    gap: 6px 14px;
  }
  .contact-form-submit {
    padding: 16px 24px;
    font-size: 11px;
  }
  .contact-aside-list {
    gap: 24px;
  }
}

/* News empty placeholder */
.section-news-empty {
  max-width: 720px;
  text-align: center;
  padding-top: 200px;
  padding-bottom: 200px;
}

.news-empty-en {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(40px, 5.5vw, 72px); /* match .contact-intro-en */
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 24px;
}

.news-empty-jp {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.news-empty-meta {
  font-size: 12px;
  color: var(--text-mute);
  margin-bottom: 48px;
}

.news-empty-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  border-bottom: 1px solid var(--text);
  padding-bottom: 6px;
}

.news-empty-cta:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* Legal body */
.legal-body {
  max-width: 880px;
  padding-top: 200px;
  padding-bottom: 200px;
}

.legal-article {
  font-size: 13px;
  line-height: 2;
}

.legal-lead {
  margin-bottom: 40px;
  color: var(--text-mute);
}

.legal-article h2 {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.18em;
  margin: 40px 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.legal-article ul {
  margin: 12px 0 12px 1.2em;
  list-style: disc;
}

.legal-article a {
  border-bottom: 1px solid var(--line);
}

.legal-article a:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.legal-revised {
  margin-top: 60px;
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-mute);
  text-align: right;
}

/* 404 */
.error-page {
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--pad-x-pc);
  text-align: center;
}

.error-num {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(108px, 18vw, 234px);
  letter-spacing: 0.01em;
  line-height: 0.9;
  margin-bottom: 16px;
}

.error-title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(25px, 3.15vw, 43px);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.error-jp {
  font-size: 13px;
  color: var(--text-mute);
  margin-bottom: 48px;
}

.error-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  border: 1px solid var(--text);
  padding: 16px 32px;
}

.error-back:hover {
  background: var(--accent);
  color: var(--ink);
  border-color: var(--accent);
}