@charset "UTF-8";

/* 子ども情報科学講座。実施記録と提供可能な講座内容を一続きに見せる。 */

.children-hero { padding-bottom: clamp(43px, 5vw, 64px); }
.children-hero .subpage-hero-inner { max-width: 1080px; }
.children-main-inner { width: min(calc(100% - 48px), 1080px); margin-inline: auto; }
.children-hero-copy { width: min(100%, 790px); margin-top: 18px; }
.children-hero-copy h1 {
  max-width: 760px;
  margin-top: 11px;
  font-size: clamp(31px, 4vw, 49px);
  line-height: 1.35;
  letter-spacing: -.045em;
}
.children-hero-copy .subpage-lead { max-width: 47em; font-size: 16px; line-height: 1.95; }
.children-hero-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px 24px;
  margin: 24px 0 0;
  padding-top: 17px;
  border-top: 1px solid #bdd1df;
}
.children-hero-meta dt { color: #5a7386; font-size: 10px; font-weight: 850; }
.children-hero-meta dd { margin: 5px 0 0; color: #163e5e; font-size: 12px; font-weight: 760; line-height: 1.65; }
.children-hero-visual { margin: 30px 0 0; overflow: hidden; background: #10283a; border-radius: 9px; }
.children-hero-visual a { display: block; overflow: hidden; aspect-ratio: 2525 / 614; }
.children-hero-visual img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .2s ease; }
.children-hero-visual a:hover img,
.children-hero-visual a:focus-visible img { transform: scale(1.012); }
.children-hero-visual figcaption { display: flex; justify-content: space-between; gap: 18px; padding: 10px 13px; color: #dceaf4; font-size: 10px; line-height: 1.6; }
.children-hero-visual figcaption span { flex: 0 0 auto; color: #a9daf5; font-size: 9px; font-weight: 800; }

.children-main { padding: clamp(54px, 6vw, 80px) 0 76px; background: #fff; }
.children-introduction,
.children-section-heading { width: min(100%, 840px); }
.children-introduction h2,
.children-section-heading h2,
.children-package h2 { margin: 0; color: #0d3557; font-size: clamp(25px, 2.7vw, 34px); line-height: 1.5; letter-spacing: -.035em; }
.children-introduction > div { width: min(100%, 760px); margin-top: 15px; }
.children-introduction p { margin: 0; color: #455f73; font-size: 15px; line-height: 2; }
.children-introduction p + p { margin-top: 12px; }
.children-section-heading p { max-width: 48em; margin: 10px 0 0; color: #536d80; font-size: 13px; line-height: 1.85; }

.children-gallery { margin-top: clamp(50px, 6vw, 72px); }
.children-gallery-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 24px; }
.children-gallery-grid figure { min-width: 0; margin: 0; overflow: hidden; background: #123d5c; border-radius: 5px; }
.children-gallery-grid a { display: block; overflow: hidden; aspect-ratio: 3 / 2; }
.children-gallery-grid img { display: block; width: 100%; height: 100%; object-fit: cover; transition: filter .2s ease, transform .2s ease; }
.children-gallery-grid a:hover img,
.children-gallery-grid a:focus-visible img { filter: brightness(.92); transform: scale(1.015); }
.children-gallery-grid figcaption { display: grid; gap: 5px; min-height: 67px; padding: 11px 12px 12px; color: #edf7fc; font-size: 10.5px; line-height: 1.65; }
.children-gallery-grid figcaption span { color: #9dd3ee; font-size: 8.5px; font-weight: 800; }

.children-program { margin-top: clamp(56px, 7vw, 88px); padding: clamp(43px, 5vw, 62px) clamp(24px, 4vw, 42px); background: #edf6fb; }
.children-program-duration { display: flex; gap: 18px; align-items: baseline; width: min(100%, 880px); margin-top: 24px; padding: 14px 0; border-top: 1px solid #a7c3d4; border-bottom: 1px solid #b8cfdd; }
.children-program-duration strong { flex: 0 0 auto; color: #0c4f79; font-size: 20px; line-height: 1.4; }
.children-program-duration span { color: #4c687c; font-size: 12px; line-height: 1.75; }
.children-timeline { position: relative; width: min(100%, 920px); margin: 28px 0 0; padding: 0; list-style: none; }
.children-timeline::before { position: absolute; top: 15px; bottom: 15px; left: 96px; width: 2px; background: #9fc5db; content: ""; transform: translateX(-50%); }
.children-timeline li { position: relative; display: grid; grid-template-columns: 64px 32px minmax(0, 1fr); gap: 0 16px; min-height: 112px; padding: 0 0 27px; }
.children-timeline li:last-child { min-height: 0; padding-bottom: 0; }
.children-timeline-phase { padding-top: 4px; color: #286d94; font-size: 10px; font-weight: 850; text-align: left; }
.children-timeline li > i { position: relative; z-index: 1; display: block; width: 14px; height: 14px; margin: 3px auto 0; background: #1478b2; border: 4px solid #edf6fb; border-radius: 50%; box-shadow: 0 0 0 2px #4d9cc7; }
.children-timeline li > div { min-width: 0; padding: 0 0 2px; }
.children-timeline small { color: #30789f; font-size: 9px; font-weight: 850; letter-spacing: .04em; }
.children-timeline h3 { margin: 5px 0 0; color: #123d5d; font-size: 17px; line-height: 1.55; }
.children-timeline p { max-width: 54em; margin: 7px 0 0; color: #506b7f; font-size: 12px; line-height: 1.85; }
.children-timeline-break > i { background: #fff; border-color: #edf6fb; box-shadow: 0 0 0 2px #7997a9; }
.children-timeline-break .children-timeline-phase,
.children-timeline-break small { color: #60798a; }

.children-records { padding-top: clamp(57px, 7vw, 88px); }
.children-record-list { width: min(100%, 940px); margin-top: 27px; border-top: 1px solid #9ebdce; }
.children-record-list article { display: grid; grid-template-columns: 165px minmax(0, 1fr); gap: 27px; padding: 27px 0 30px; border-bottom: 1px solid #c2d4de; }
.children-record-date { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
.children-record-date time { color: #153f5f; font-size: 13px; font-weight: 850; }
.children-record-date span { display: inline-flex; align-items: center; min-height: 24px; padding: 3px 8px; color: #fff; background: #176f9f; border-radius: 3px; font-size: 9px; font-weight: 850; }
.children-record-copy small { color: #42708e; font-size: 10px; font-weight: 800; }
.children-record-copy h3 { margin: 6px 0 0; color: #123a59; font-size: 19px; line-height: 1.55; }
.children-record-copy p { max-width: 55em; margin: 9px 0 0; color: #526a7d; font-size: 13px; line-height: 1.9; }
.children-record-copy a { display: inline-flex; gap: 9px; align-items: center; margin-top: 12px; color: #0b6fae; font-size: 11px; font-weight: 850; }
.children-record-copy a i { font-size: 14px; font-style: normal; }

.children-package {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 40px;
  align-items: end;
  margin-top: clamp(58px, 7vw, 90px);
  padding: clamp(30px, 4vw, 46px);
  color: #fff;
  background: #0d456b;
}
.children-package-label { margin: 0 0 8px; color: #a9d8f0; font-size: 10px; font-weight: 850; }
.children-package h2 { color: #fff; }
.children-package div > p:last-child { max-width: 51em; margin: 12px 0 0; color: #d7e8f2; font-size: 13px; line-height: 1.9; }
.children-package > a { display: inline-flex; gap: 22px; align-items: center; min-height: 48px; padding: 10px 16px; color: #0c4163; background: #fff; border-radius: 4px; font-size: 11px; font-weight: 850; white-space: nowrap; }
.children-package > a:hover,
.children-package > a:focus-visible { color: #075a8d; background: #edf8fd; }

.children-related { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 24px; }
.children-related a { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 13px; align-items: center; min-height: 87px; padding: 14px 15px; color: inherit; background: #f7fbfd; border: 1px solid #afc8d8; border-radius: 4px; }
.children-related a:hover,
.children-related a:focus-visible { color: inherit; background: #ebf6fb; border-color: #609bbd; }
.children-related small,
.children-related strong { display: block; }
.children-related small { color: #33799f; font-size: 9px; font-weight: 850; }
.children-related strong { margin-top: 4px; color: #153d5d; font-size: 12px; line-height: 1.55; }
.children-related i { color: #1671a8; font-size: 17px; font-style: normal; }
.children-informatics-page .subpage-bottom-nav { margin-top: 47px; }

@media (min-width: 761px) and (max-width: 1180px) {
  .children-gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .children-gallery-grid figure:first-child { grid-column: 1 / -1; }
  .children-gallery-grid figure:first-child a { aspect-ratio: 2 / 1; }
  .children-related { grid-template-columns: minmax(0, 1fr); }
  .children-related a { min-height: 0; }
  .children-package { align-items: center; }
}

@media (max-width: 760px) {
  .children-main-inner { width: min(calc(100% - 40px), 1080px); }
  .children-hero-copy { margin-top: 13px; }
  .children-hero-copy h1 { font-size: clamp(28px, 8.4vw, 35px); line-height: 1.42; }
  .children-hero-copy .subpage-lead { font-size: 14px; line-height: 1.85; }
  .children-hero-meta { grid-template-columns: minmax(0, 1fr); gap: 0; margin-top: 19px; padding-top: 6px; }
  .children-hero-meta div { display: grid; grid-template-columns: 67px minmax(0, 1fr); gap: 11px; padding: 8px 0; border-bottom: 1px solid #cadce6; }
  .children-hero-meta dd { margin: 0; }
  .children-hero-visual { margin-top: 22px; border-radius: 7px; }
  .children-hero-visual a { aspect-ratio: 2525 / 760; }
  .children-hero-visual figcaption { padding: 9px 10px; font-size: 9px; }
  .children-main { padding-top: 46px; padding-bottom: 57px; }
  .children-introduction h2,
  .children-section-heading h2,
  .children-package h2 { font-size: 24px; }
  .children-introduction p { font-size: 13px; line-height: 1.95; }
  .children-gallery { margin-top: 46px; }
  .children-gallery-grid { grid-template-columns: minmax(0, 1fr); gap: 9px; margin-top: 19px; }
  .children-gallery-grid figure:first-child { grid-column: auto; }
  .children-gallery-grid figure:first-child a { aspect-ratio: 3 / 2; }
  .children-gallery-grid figcaption { min-height: 0; }
  .children-program { margin-inline: -20px; padding: 42px 20px 48px; }
  .children-program-duration { display: grid; gap: 2px; margin-top: 19px; padding: 12px 0; }
  .children-program-duration strong { font-size: 18px; }
  .children-program-duration span { font-size: 11px; }
  .children-timeline { margin-top: 25px; }
  .children-timeline::before { left: 70px; }
  .children-timeline li { grid-template-columns: 50px 24px minmax(0, 1fr); gap: 0 8px; min-height: 0; padding-bottom: 25px; }
  .children-timeline-phase { grid-column: 1; grid-row: 1; padding-top: 3px; text-align: left; }
  .children-timeline li > i { grid-column: 2; grid-row: 1 / span 2; margin-top: 1px; }
  .children-timeline li > div { grid-column: 3; grid-row: 1 / span 2; }
  .children-timeline h3 { font-size: 15px; }
  .children-timeline p { font-size: 11px; line-height: 1.78; }
  .children-record-list { margin-top: 22px; }
  .children-record-list article { grid-template-columns: minmax(0, 1fr); gap: 12px; padding: 23px 0 25px; }
  .children-record-date { flex-direction: row; align-items: center; }
  .children-record-copy h3 { font-size: 17px; }
  .children-record-copy p { font-size: 12px; line-height: 1.85; }
  .children-package { grid-template-columns: minmax(0, 1fr); gap: 22px; margin-inline: -20px; padding: 35px 20px 39px; }
  .children-package > a { justify-content: space-between; width: 100%; }
  .children-related { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .children-related a { min-height: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .children-hero-visual img,
  .children-gallery-grid img { transition: none; }
}