/* トップページ専用。配色とボタンの基礎は site.css が持つ。 */

.page-main.home { padding: 0; }
/* 要素既定の余白は site.css のグローバル規則が持つ。詳細度をクラス1個に揃えてここで
   落とすと、後続の各クラス規則がそのまま上書きできる。 */
.home :where(h1, h2, h3, p, figure, ul, ol) { margin: 0; }
.home :where(h2, h3) { line-height: 1.5; }
.home :where(img, video) { display: block; max-width: 100%; height: auto; }
.home section { padding: 0; }

.text-link { display: inline-flex; align-items: center; gap: 14px; color: var(--accent); font-size: .84rem; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 28px; }
.section-heading h2, .demo-copy h2 { font-size: clamp(1.45rem, 2.3vw, 1.85rem); letter-spacing: -.02em; }
.section-heading > p { padding-bottom: 5px; color: var(--muted); font-size: .8rem; }

.home .home-hero { display: grid; grid-template-columns: .94fr 1.06fr; align-items: center; gap: 42px; padding-block: 48px 44px; }
.eyebrow { margin-bottom: 12px; color: var(--accent); font-size: .7rem; font-weight: 700; letter-spacing: .16em; }
.eyebrow-line { display: inline-block; width: 22px; height: 1px; margin-right: 10px; background: var(--accent); vertical-align: middle; }
.page-head-hero h1 span { display: block; }
.hero-title-accent { color: var(--accent); }
.hero-lead { margin-top: 19px; color: #d1d2ce; font-size: 1rem; line-height: 2; }
.hero-editions { margin-top: 20px; font-size: .88rem; }
.hero-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 16px; }
/* 広い幅の2ボタンは同じ重さ。塗りにするとどちらかが主に見えるので、どちらも枠線にする。 */
.hero-action { justify-content: space-between; padding-inline: 16px; border-color: var(--accent-line); color: var(--accent); background: transparent; }
.hero-action:hover { border-color: var(--accent-line); background: var(--accent-soft); }
.hero-more { margin-top: 14px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 9px 16px; margin-top: 28px; color: var(--muted); font-size: .76rem; }
.hero-meta span + span { padding-left: 16px; border-left: 1px solid var(--line); }
.hero-visual { min-width: 0; }
.visual-heading { display: flex; justify-content: space-between; gap: 8px; padding: 12px 0; color: var(--muted); font-size: .7rem; letter-spacing: .08em; }
.visual-heading > :first-child { color: #d8c6a8; }
.status-dot { display: inline-block; width: 6px; height: 6px; margin-right: 8px; border-radius: 50%; background: var(--accent); vertical-align: middle; }
.screen-link { display: block; padding: 7px; border: 1px solid #4c5054; border-radius: 6px; background: #202326; box-shadow: 0 22px 45px #0005; }
.screen-link img { width: 100%; border-radius: 2px; }
.hero-visual figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 11px 1px; color: var(--muted); font-size: .74rem; }
.hero-visual figcaption > span:last-child { display: inline-flex; align-items: center; gap: 6px; }
.visual-note { display: flex; align-items: center; gap: 16px; margin: 4px 0 0 24%; padding: 14px 20px; border-left: 2px solid var(--accent); color: #c9c3b9; background: #25221c; font-size: .8rem; }
.visual-note strong { display: block; color: var(--text); font-weight: 600; }
.note-mark { width: 1.4rem; height: 1.4rem; color: var(--accent); }

.home .start-section { padding-bottom: 66px; }
.edition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.edition-card { padding: 25px 30px 26px; border: 1px solid #504635; border-top: 2px solid var(--accent); border-radius: 6px; background: var(--panel); }
.edition-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; color: var(--accent); }
.edition-top .edition-icon { width: 34px; height: 34px; stroke-width: 1.5; }
.edition-label { color: #b4aa98; font-size: .68rem; letter-spacing: .18em; }
.edition-card h3 { font-size: 1.55rem; }
.edition-description { margin-top: 5px; font-size: .9rem; }
.edition-spec { margin-block: 17px 21px; color: var(--muted); font-size: .8rem; line-height: 1.9; }
.edition-spec span { display: block; }
.edition-action { display: flex; justify-content: space-between; width: 100%; padding-inline: 20px; }
/* スマホ幅でPC版カードの代わりに出す1行リンク。広い幅ではカードが同じ行き先を持つ。 */
.edition-pc-line { display: none; margin-top: 16px; }

.home .feature-section { padding-block: 62px; border-block: 1px solid #2c3033; background: var(--panel-soft); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card { overflow: hidden; min-width: 0; border: 1px solid var(--line); border-radius: 5px; background: var(--panel); }
.feature-image { overflow: hidden; height: 155px; padding: 17px 17px 0; border-bottom: 1px solid var(--line); background: #23272a; }
.feature-image img { width: 100%; height: 160px; border: 1px solid #484c4f; border-radius: 3px; object-fit: cover; object-position: top left; }
.feature-body { padding: 22px; }
.feature-number { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; color: var(--accent); font-size: .74rem; letter-spacing: .08em; }
.feature-number span { color: var(--muted); letter-spacing: 0; }
.feature-card h3 { font-size: 1.08rem; }
.feature-text { min-height: 5.6em; margin-top: 12px; color: var(--muted); font-size: .86rem; line-height: 1.9; }
.feature-card .text-link { margin-top: 18px; font-size: .8rem; }
.extra-features { display: flex; align-items: baseline; gap: 24px; padding-top: 28px; font-size: .8rem; }
.extra-features p { flex-shrink: 0; color: var(--muted); }
.extra-features ul { display: flex; flex-wrap: wrap; gap: 8px 18px; padding: 0; list-style: none; }
.extra-features li::before { margin-right: 6px; color: var(--accent); content: "+"; }

.home .workflow-section { padding-block: 65px; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin: 34px 0 28px; padding: 0; list-style: none; }
.steps li { display: flex; gap: 14px; padding-top: 22px; border-top: 1px solid #504635; }
.step-number { color: var(--accent); font-size: 1.55rem; line-height: 1.4; }
.steps h3 { font-size: 1rem; }
.steps p { margin-top: 8px; color: var(--muted); font-size: .82rem; }

.home .demo-section { display: grid; grid-template-columns: .8fr 1.2fr; align-items: center; gap: 45px; padding-block: 40px 66px; border-bottom: 1px solid var(--line); }
.demo-copy > p { margin-top: 15px; color: var(--muted); font-size: .86rem; }
.demo-copy .demo-note { padding-left: 12px; border-left: 2px solid #645237; font-size: .78rem; }
.demo-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 23px; }
.demo-tabs button { padding: 8px 14px; border: 1px solid var(--line); border-radius: 5px; color: var(--muted); background: transparent; font: inherit; font-size: .8rem; cursor: pointer; }
.demo-tabs button[aria-pressed="true"] { border-color: #8d6d3e; color: var(--accent); background: #2e281e; }
.demo-panels { min-width: 0; }
/* 作者スタイルの display は UA の [hidden] より強いので、非表示側を明示する。 */
.demo-panel[hidden] { display: none; }
.demo-panel video { width: 100%; aspect-ratio: 16 / 9; border: 1px solid #4b4f53; border-radius: 5px; background: #000; }
.demo-panel figcaption { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 8px 20px; margin-top: 10px; color: var(--muted); font-size: .78rem; }
.demo-links { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.demo-links .text-link { gap: 8px; font-size: .78rem; }

.home .support-section { padding-block: 65px; }
.support-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.support-card { position: relative; padding: 24px; border: 1px solid var(--line); border-radius: 5px; background: var(--panel-soft); text-decoration: none; }
.support-card:hover { border-color: var(--accent); }
.support-icon { display: block; width: 1.5rem; height: 1.5rem; margin-bottom: 12px; color: var(--accent); }
.support-card h3 { font-size: 1.08rem; }
.support-card p { margin-top: 5px; color: var(--muted); font-size: .8rem; }
.card-arrow { position: absolute; top: 28px; right: 24px; color: var(--muted); }

@media (max-width: 1100px) {
  .home .home-hero { gap: 26px; }
  .feature-body { padding: 18px; }
}

@media (max-width: 880px) {
  .home .home-hero { grid-template-columns: 1fr; gap: 30px; padding-block: 40px 28px; }
  .hero-visual { max-width: 650px; }
  .visual-note { margin-left: 38%; }
  .section-heading { align-items: start; }
  .feature-grid { gap: 14px; }
  .feature-image { height: 130px; padding: 12px 12px 0; }
  .feature-text { min-height: 9.5em; }
  .steps { gap: 20px; }
  .home .demo-section { grid-template-columns: 1fr 1.1fr; gap: 28px; }
}

@media (max-width: 700px) {
  .home .home-hero { padding-block: 32px 26px; }
  .hero-lead { margin-top: 16px; font-size: .9rem; }
  /* スマホ幅ではブラウザ版だけをボタンで出す。PC版は Windows 専用で、この幅の端末では
     起動できないため、版の節の1行リンクへ下げる。 */
  .hero-actions { grid-template-columns: 1fr; }
  .hero-action-pc { display: none; }
  .hero-action-browser { border-color: var(--accent); color: var(--on-accent); background: var(--accent); }
  .hero-action-browser:hover { border-color: var(--accent-hover); background: var(--accent-hover); }
  .edition-grid { grid-template-columns: 1fr; }
  .edition-card { padding: 22px; }
  .edition-card-pc { display: none; }
  .edition-pc-line { display: block; }
  .visual-note { margin-left: 18%; padding: 12px 15px; }
  .section-heading { flex-direction: column; gap: 10px; margin-bottom: 22px; }
  .section-heading > p { padding: 0; }
  .home .start-section { padding-bottom: 45px; }
  .home .feature-section { padding-block: 43px; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-image { height: 180px; padding: 18px 18px 0; }
  .feature-image img { height: 220px; }
  .feature-body { padding: 22px; }
  .feature-text { min-height: 0; }
  .extra-features { flex-direction: column; gap: 12px; }
  .home .workflow-section { padding-block: 45px; }
  .steps { grid-template-columns: 1fr; margin-top: 22px; }
  .steps li { gap: 20px; padding-top: 18px; }
  .home .demo-section { grid-template-columns: 1fr; gap: 24px; padding-block: 10px 45px; }
  .home .support-section { padding-block: 45px; }
  .support-grid { grid-template-columns: 1fr; gap: 12px; }
  .support-card { padding: 20px 48px 20px 60px; }
  .support-icon { position: absolute; top: 21px; left: 22px; }
}