/* public/app.css — モバイルファースト。素朴で散歩らしい、軽い見た目 */
:root {
  --ink: #2b2b2b; --sub: #777; --line: #ddd; --accent: #3a7d5c; --bg: #faf9f6;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.6; }
main { max-width: 640px; margin: 0 auto; padding: 12px 16px 48px; }
a { color: var(--accent); }

.site-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 16px; border-bottom: 1px solid var(--line); background: #fff; }
.site-header .logo { font-weight: 700; text-decoration: none; color: var(--ink); }
.site-header nav { display: flex; gap: 12px; align-items: center; }
.inline { display: inline; }

.search-bar { display: flex; gap: 6px; margin: 12px 0; }
.search-bar input { flex: 1; padding: 10px; border: 1px solid var(--line); border-radius: 8px; }
.tabs { display: flex; gap: 8px; align-items: center; margin-bottom: 12px; flex-wrap: wrap; }
.tabs a { padding: 4px 14px; border: 1px solid var(--line); border-radius: 16px; text-decoration: none; color: var(--sub); }
.tabs a.active { border-color: var(--accent); color: var(--accent); font-weight: 600; }

.feed { display: grid; gap: 12px; }
.ashiato-card, .spot-card, .result-list li { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; list-style: none; }
.ashiato-card .cover { width: 100%; height: 160px; object-fit: cover; border-radius: 8px; }
.ashiato-card h3, .spot-card h3 { margin: 6px 0 2px; }
.meta { color: var(--sub); font-size: 0.85rem; margin: 2px 0; }
.stats { display: flex; gap: 12px; color: var(--sub); font-size: 0.9rem; margin: 4px 0; flex-wrap: wrap; }
.result-list { padding: 0; display: grid; gap: 10px; }

.spot-photos { display: flex; gap: 6px; overflow-x: auto; }
.spot-photos img { height: 96px; border-radius: 8px; }

form label { display: block; margin: 10px 0 4px; font-size: 0.9rem; }
input, select, textarea { width: 100%; padding: 9px; border: 1px solid var(--line); border-radius: 8px; font-size: 1rem; background: #fff; }
.row { display: flex; gap: 8px; }
.row label { flex: 1; }
button { padding: 10px 18px; border: 1px solid var(--accent); border-radius: 8px; background: var(--accent); color: #fff; cursor: pointer; font-size: 1rem; }
button.danger { background: #b23b3b; border-color: #b23b3b; }
button.reacted { background: #fff; color: var(--accent); }
fieldset.spot { border: 1px dashed var(--line); border-radius: 10px; margin: 12px 0; padding: 10px; }

.form-error { color: #b23b3b; font-size: 0.85rem; margin: 2px 0; }
.error-page, .empty { text-align: center; color: var(--sub); padding: 32px 0; }
.tagline { color: var(--sub); }
.more { display: block; text-align: center; margin-top: 16px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; vertical-align: middle; }
.bio { white-space: pre-wrap; }

.site-footer { max-width: 640px; margin: 0 auto; padding: 24px 16px 40px; border-top: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.site-footer a { color: var(--sub); font-size: 0.85rem; text-decoration: none; }
.site-footer a:hover { color: var(--accent); }
.site-footer .copyright { color: var(--sub); font-size: 0.8rem; margin: 0 0 0 auto; }

.legal { line-height: 1.9; }
.legal h1 { font-size: 1.4rem; }
.legal h2 { font-size: 1.05rem; margin-top: 24px; border-left: 3px solid var(--accent); padding-left: 8px; }
.legal ul { padding-left: 1.2em; }
.legal li { margin: 4px 0; }
.legal .legal-date { color: var(--sub); font-size: 0.85rem; margin-top: 24px; }
.legal .contact-email { font-weight: 600; }

/* 写真ヒーロー／カルーセル（改善1） */
.photo-gallery { margin: 10px 0; }
.photo-hero { display: block; position: relative; }
.photo-hero img { width: 100%; max-height: 360px; object-fit: cover; border-radius: 10px; }
.photo-carousel { display: flex; gap: 6px; overflow-x: auto; scroll-snap-type: x mandatory; margin-top: 6px; -webkit-overflow-scrolling: touch; }
.photo-carousel .photo-thumb { position: relative; flex: 0 0 auto; scroll-snap-align: start; }
.photo-carousel .photo-thumb img { height: 120px; border-radius: 8px; display: block; }
.photo-caption { position: absolute; left: 0; bottom: 0; right: 0; font-size: 0.72rem; color: #fff; background: linear-gradient(transparent, rgba(0,0,0,0.55)); padding: 10px 6px 3px; border-radius: 0 0 8px 8px; }

/* よく使うエリアのヒント（改善2） */
.hint { color: var(--sub); font-size: 0.75rem; font-weight: normal; }

/* 現在地ボタン（改善3） */
.locate-btn { margin: 6px 0; padding: 6px 12px; font-size: 0.85rem; background: #fff; color: var(--accent); border: 1px solid var(--accent); border-radius: 8px; }

/* ホーム投稿CTA（改善4） */
.cta-post { display: block; text-align: center; background: var(--accent); color: #fff; text-decoration: none; font-weight: 700; padding: 12px; border-radius: 10px; margin: 10px 0; }

/* 投稿ボタンの分離（改善5） */
.form-submit-bar { border-top: 1px solid var(--line); margin-top: 20px; padding-top: 16px; }
.form-submit-bar .submit-main { width: 100%; padding: 14px; font-size: 1.05rem; font-weight: 700; }

@media (min-width: 720px) {
  .feed { grid-template-columns: 1fr 1fr; }
}