/* =========================================================
   pages/home.css
   HOME専用。通常のニュース更新・画像更新では変更しません。
========================================================= */
.hero {
  padding: clamp(44px, 5.5vw, 68px) 0 48px;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.83fr) minmax(0, 1.47fr);
  gap: clamp(38px, 6vw, 80px);
  align-items: start;
}

.hero__copy {
  padding-bottom: clamp(4px, 2vw, 24px);
}

.hero h1 {
  margin-top: 18px;
  font-size: var(--fs-page);
  line-height: 0.98;
  letter-spacing: var(--tracking-display);
  font-weight: 600;
}

.hero__jp {
  margin-top: 18px;
  padding-top: 17px;
  border-top: 4px solid var(--cyan);
  font-size: clamp(1.25rem, 2.5vw, 1.85rem);
  font-weight: 600;
  line-height: 1.55;
}

.hero__lead {
  margin-top: 25px;
  max-width: 31rem;
  color: #34393e;
  font-size: var(--fs-lead);
  line-height: 1.9;
}

.hero__links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  margin-top: 28px;
  font-size: 0.9rem;
}

.hero__media {
  position: relative;
  /* PC: 写真の上端を「JA1YEV」の文字上端に合わせる。
     eyebrowの1行分 + h1までの余白 - 写真上の12px padding を相殺。 */
  margin: 23px 0 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 12px 0 10px;
}

.hero__media::after {
  content: "";
  position: absolute;
  width: 58px;
  height: 5px;
  right: 0;
  top: -3px;
  background: var(--pink);
}

.hero__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
}

.hero__media figcaption {
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: var(--tracking-caption);
}

.intro {
  background: #ffffff;
}

.intro__grid {
  display: grid;
  grid-template-columns: 4px minmax(0, 1.02fr) minmax(280px, 0.78fr);
  gap: 20px 28px;
  align-items: start;
}

.intro__body p:not(.section-kicker) {
  margin-top: 18px;
}

.intro__lead {
  font-size: var(--fs-lead);
  font-weight: 600;
}

.intro__media {
  align-self: start;
  margin-top: 8px;
}

.intro__media img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  object-position: center;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line-dark);
  padding: 10px 0;
}

.news-list { border-top: 1px solid var(--ink); }

.news-row {
  display: grid;
  grid-template-columns: 142px 1fr;
  gap: 24px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
}

.news-row--featured { border-top: 4px solid var(--pink); }

.news-row__meta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.75rem;
  line-height: 1.4;
}

.news-row__date-muted { color: #858b91; }

.news-row__label {
  padding: 2px 6px 3px;
  border-left: 4px solid var(--pink);
  color: var(--pink-dark);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: var(--tracking-label);
}

.news-row__label--cyan {
  border-left-color: var(--cyan);
  color: var(--cyan-dark);
}

.news-row__body h3 {
  font-size: clamp(1.05rem, 1.8vw, 1.24rem);
}

.news-row__body h3 a { text-decoration-color: var(--cyan-dark); }

.news-row__body p {
  max-width: 48rem;
  margin-top: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.activities { background: #ffffff; }

.activity-list { border-top: 1px solid var(--ink); }

.activity-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.activity-row__no {
  color: var(--pink-dark);
  font-size: 0.78rem;
  letter-spacing: 0.055em;
  padding-top: 5px;
}

.activity-row__content h3 {
  font-size: var(--fs-subhead);
}

.activity-row__content > p {
  max-width: 44rem;
  margin-top: 9px;
  color: var(--ink-soft);
}

.activity-row__link { margin-top: 16px !important; }

.newcomer-band {
  position: relative;
  border-top: 1px solid var(--line-dark);
  border-bottom: 0;
  background: #ffffff;
}

.newcomer-band__inner {
  min-height: 0;
  padding: 54px 0;
  display: grid;
  grid-template-columns: 4px minmax(0, 1fr) auto;
  gap: clamp(20px, 3vw, 32px);
  align-items: center;
}

.newcomer-band__copy p:last-child {
  max-width: 44rem;
  margin-top: 12px;
  color: var(--ink-soft);
}

.index-links { border-top: 1px solid var(--ink); }

.index-links > a {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(160px, 1fr) 32px;
  gap: 24px;
  align-items: center;
  min-height: 74px;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}

.index-links > a:hover .index-links__title { text-decoration: underline; }
.index-links > a:hover .index-links__arrow { color: var(--pink-dark); }

.index-links__title { font-weight: 600; }
.index-links__note { color: var(--ink-soft); font-size: 0.82rem; }
.index-links__arrow { justify-self: end; color: var(--cyan-dark); }

.history-note__grid {
  display: grid;
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(38px, 8vw, 110px);
  align-items: start;
}

.history-note__text {
  max-width: 46rem;
  font-size: var(--fs-lead);
  line-height: 2;
}

.history-note__text .text-link { display: inline-block; margin-left: 0.25em; }

@media (max-width: 880px) {
  .hero { padding-top: 46px; }
  .hero__grid { grid-template-columns: 1fr; align-items: start; }
  .hero__copy { max-width: 42rem; }
  .hero__media { width: 100%; margin-top: 0; }

  .intro__grid {
    grid-template-columns: 4px minmax(0, 1fr);
    gap: 16px 18px;
  }

  .intro__body,
  .intro__media {
    grid-column: 2;
  }

  .intro__media {
    max-width: 36rem;
    margin-top: 6px;
  }

  .history-note__grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 640px) {
  .hero { padding-bottom: 42px; }
  .hero h1 { font-size: clamp(3rem, 17vw, 4.5rem); }
  .hero__lead br { display: none; }
  .hero__media { padding-top: 9px; }

  .news-row {
    grid-template-columns: 1fr;
    gap: 13px;
  }
  .news-row__meta { flex-direction: row; align-items: center; }

  .activity-row {
    grid-template-columns: 40px 1fr;
    gap: 14px;
  }

  .newcomer-band__inner {
    grid-template-columns: 4px 1fr;
    gap: 18px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .newcomer-band .section-rail { grid-row: 1 / span 2; }
  .newcomer-band .plain-button {
    grid-column: 2;
    justify-self: start;
  }

  .index-links > a {
    grid-template-columns: 1fr 24px;
    gap: 8px 16px;
    padding: 16px 0;
  }
  .index-links__note { grid-column: 1; }
  .index-links__arrow { grid-column: 2; grid-row: 1 / span 2; }
}

/* =========================================================
   Mobile refinements
========================================================= */
@media (max-width: 880px) {
  .hero {
    padding: 38px 0 40px;
  }

  .hero__grid {
    gap: 30px;
  }

  .hero__copy {
    padding-bottom: 0;
  }

  .hero__media img {
    aspect-ratio: 3 / 2;
  }

  .newcomer-band__inner {
    grid-template-columns: 4px minmax(0, 1fr);
    gap: 18px;
    padding: 44px 0;
    align-items: start;
  }

  .newcomer-band .section-rail {
    grid-row: 1 / span 2;
  }

  .newcomer-band .plain-button {
    grid-column: 2;
    justify-self: start;
  }

  .intro__media img {
    aspect-ratio: 3 / 2;
  }
}

@media (max-width: 640px) {
  .hero {
    padding: 30px 0 36px;
  }

  .hero__grid {
    gap: 26px;
  }

  .hero h1 {
    margin-top: 12px;
    font-size: clamp(3rem, 16vw, 4.2rem);
  }

  .hero__jp {
    margin-top: 15px;
    padding-top: 13px;
    border-top-width: 3px;
    font-size: 1.18rem;
    line-height: 1.5;
  }

  .hero__lead {
    margin-top: 18px;
    line-height: 1.8;
  }

  .hero__links {
    margin-top: 22px;
    gap: 10px 22px;
  }

  .hero__links a {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
  }

  .hero__media {
    border-top-color: var(--line-dark);
    padding: 9px 0 8px;
  }

  .hero__media::after {
    width: 44px;
    height: 4px;
  }

  .hero__media img,
  .intro__media img {
    aspect-ratio: 4 / 3;
  }

  .hero__media figcaption {
    line-height: 1.55;
  }

  .newcomer-band__inner {
    gap: 15px;
    padding: 40px 0;
  }

  .newcomer-band__copy p:last-child {
    margin-top: 10px;
    line-height: 1.75;
  }

  .newcomer-band .plain-button {
    width: min(100%, 310px);
    justify-self: stretch;
  }

  .intro__grid {
    gap: 14px 16px;
  }

  .intro__body p:not(.section-kicker) {
    margin-top: 15px;
  }

  .intro__media {
    width: 100%;
    margin-top: 4px;
  }

  .intro__media img {
    padding: 8px 0;
  }

  .news-row {
    padding: 18px 0 20px;
  }

  .news-row__meta {
    gap: 10px;
  }

  .news-row__body h3 {
    line-height: 1.55;
  }

  .news-row__body p {
    line-height: 1.75;
  }

  .activity-row {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 12px;
    padding: 22px 0 24px;
  }

  .activity-row__content > p {
    line-height: 1.75;
  }

  .index-links > a {
    min-height: 0;
    padding: 15px 0;
  }

  .index-links__title {
    line-height: 1.5;
  }

  .index-links__note {
    line-height: 1.55;
  }

  .history-note__grid {
    gap: 20px;
  }

  .history-note__text {
    font-size: 1rem;
    line-height: 1.85;
  }
}

@media (max-width: 420px) {
  .hero__links {
    display: grid;
    gap: 4px;
  }

  .hero__links a {
    width: fit-content;
  }

  .news-row__meta {
    flex-wrap: wrap;
  }
}