/* ============================================================
   沖縄県プロポーザル・公募情報検索 — style v3
   方針: わかりやすさ最優先 × 少しポップ
   ・沖縄の海ティール＋サンゴ（コーラル）のアクセント
   ・種別は「クイックチップ」で件数ごと可視化（まとめサイトの定石）
   ・締切データが無いため「新着」を主役に（NEWバッジ）
   ・官公庁的な硬さを崩し、丸みと余白で親しみを出す
   ============================================================ */

/* --- デザイントークン --- */
:root {
  color-scheme: light;

  /* 面 */
  --c-bg: #f5f6f4;            /* やわらかい紙 */
  --c-card: #ffffff;
  --c-border: #e8e7e2;
  --c-border-strong: #d9d7d0;

  /* 文字 */
  --c-text: #22241f;
  --c-text-sub: #6f7168;
  --c-text-faint: #a2a49a;

  /* アクセント: 沖縄の海ティール */
  --c-accent: #0e9488;
  --c-accent-ink: #0a6f66;
  --c-accent-bright: #14b3a6;
  --c-accent-soft: #e2f4f1;

  /* ポップの差し色: サンゴ */
  --c-coral: #ff7a5c;
  --c-coral-ink: #e8552f;
  --c-coral-soft: #ffe9e2;

  /* 空・砂 */
  --c-sky: #3fa9e0;

  /* 種別カラー（淡い下地＋濃い文字。v2より少しはっきり） */
  --t-prop-bg: #e6f0fb;  --t-prop-fg: #2166a8;
  --t-koubo-bg: #e5f5ea; --t-koubo-fg: #1f8f4d;
  --t-bid-bg: #fdeede;   --t-bid-fg: #cc6b12;
  --t-boshu-bg: #efeafb; --t-boshu-fg: #6b45c0;
  --t-etc-bg: #ededea;   --t-etc-fg: #6a6b62;

  /* 注意色 */
  --c-danger: #c0392b;
  --c-warn: #b06a12;

  /* 形 */
  --radius-sm: 9px;
  --radius: 14px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 2px rgba(34, 36, 31, .05);
  --shadow-md: 0 8px 28px -10px rgba(34, 36, 31, .18);
  --shadow-pop: 0 10px 30px -12px rgba(14, 148, 136, .35);

  /* 文字組み */
  --font: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
          "Yu Gothic", "Meiryo", sans-serif;
  --text-sm: clamp(.78rem, .2vw + .74rem, .84rem);
  --text-base: clamp(.9rem, .25vw + .84rem, .96rem);
  --text-md: clamp(.98rem, .3vw + .9rem, 1.08rem);
  --text-lg: clamp(1.2rem, .9vw + .95rem, 1.55rem);
  --text-xl: clamp(1.45rem, 1.6vw + 1rem, 2.1rem);
}

/* --- リセット --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}
body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: 1.75;
  letter-spacing: .02em;
  font-feature-settings: "palt" 1;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: anywhere;
  word-break: auto-phrase;
  color: var(--c-text);
  background: var(--c-bg);
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
a { color: var(--c-accent-ink); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
button, select, input { font-family: inherit; }
:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
  border-radius: 4px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}

/* --- ヘッダー: 海のグラデ＋波モチーフ --- */
.header {
  position: relative;
  background: linear-gradient(120deg, #0e9488 0%, #12a29a 45%, #2f9fd6 100%);
  color: #fff;
  padding: 1.5rem 1rem 2.4rem;
  padding-top: calc(1.5rem + env(safe-area-inset-top, 0px));
  overflow: hidden;
}
/* 右上のふわっとした光 */
.header::after {
  content: "";
  position: absolute;
  top: -40%; right: -10%;
  width: 55%; aspect-ratio: 1;
  background: radial-gradient(circle, rgba(255,255,255,.28), transparent 65%);
  pointer-events: none;
}
.header__inner { position: relative; z-index: 1; max-width: 880px; margin: 0 auto; }
.header__badge {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .12em;
  background: rgba(255,255,255,.2);
  border: 1px solid rgba(255,255,255,.35);
  padding: .2rem .7rem;
  border-radius: 999px;
  margin-bottom: .6rem;
  backdrop-filter: blur(4px);
}
.header__badge::before {
  content: "";
  width: .5em; height: .5em; border-radius: 50%;
  background: #b8f5ef;
  box-shadow: 0 0 0 3px rgba(184,245,239,.35);
}
.header__title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.3;
  text-wrap: balance;
}
.header__sub {
  font-size: var(--text-sm);
  color: rgba(255,255,255,.9);
  margin-top: .35rem;
  letter-spacing: .04em;
}
/* 下端の波 */
.header__wave {
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  width: 100%; height: 26px;
  display: block;
  color: var(--c-bg);
}

/* --- メイン --- */
.main {
  flex: 1;
  max-width: 880px;
  width: 100%;
  margin: 0 auto;
  padding: 1rem 1rem 2rem;
}

/* --- 検索パネル: スティッキーで常に手元に --- */
.search-panel {
  position: sticky;
  top: .5rem;
  z-index: 20;
  background: color-mix(in srgb, var(--c-card) 90%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: .8rem .85rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: .9rem;
  margin-top: -1.2rem;         /* ヘッダーの波に少し重ねる */
}
@supports not (backdrop-filter: blur(10px)) {
  .search-panel { background: var(--c-card); }
}

/* 検索バー */
.search-bar {
  display: flex;
  align-items: center;
  gap: .5rem;
  background: var(--c-bg);
  border: 1.5px solid var(--c-border-strong);
  border-radius: 999px;
  padding: .2rem .25rem .2rem .95rem;
  transition: border-color .2s, box-shadow .2s;
}
.search-bar:focus-within {
  border-color: var(--c-accent);
  box-shadow: 0 0 0 3px var(--c-accent-soft);
}
.search-bar__icon { width: 18px; height: 18px; color: var(--c-accent); flex-shrink: 0; }
.search-bar__input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--text-base);
  padding: .55rem .2rem;
  outline: none;
  min-width: 0;
  color: var(--c-text);
}
.search-bar__input::placeholder { color: var(--c-text-faint); font-size: var(--text-sm); }
.search-bar__btn {
  padding: .55rem 1.25rem;
  background: var(--c-accent);
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .2s, transform .1s, box-shadow .2s;
}
.search-bar__btn:hover { background: var(--c-accent-ink); box-shadow: var(--shadow-pop); }
.search-bar__btn:active { transform: scale(.96); }

/* 絞り込みトグル */
.filter-toggle {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: .6rem;
  padding: .38rem .85rem;
  border: 1px solid var(--c-border);
  border-radius: 999px;
  background: transparent;
  font-size: var(--text-sm);
  color: var(--c-text-sub);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.filter-toggle:hover { border-color: var(--c-border-strong); background: var(--c-bg); }
.filter-toggle[aria-expanded="true"] {
  background: var(--c-accent-soft);
  color: var(--c-accent-ink);
  border-color: transparent;
}

/* フィルター */
.filters { margin-top: .75rem; padding-top: .8rem; border-top: 1px dashed var(--c-border); }
.filters__grid { display: grid; grid-template-columns: 1fr; gap: .7rem; }
.filter-item label {
  display: block;
  font-size: .69rem;
  font-weight: 700;
  color: var(--c-text-faint);
  margin-bottom: .25rem;
  letter-spacing: .1em;
}
.filter-item select,
.filter-item input {
  width: 100%;
  padding: .5rem .7rem;
  border: 1px solid var(--c-border-strong);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  background: var(--c-card);
  color: var(--c-text);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s;
}
.filter-item select:focus, .filter-item input:focus { border-color: var(--c-accent); outline: none; }
.filter-item select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236f7168' d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .65rem center;
  padding-right: 2rem;
}
.btn-reset {
  display: inline-block;
  margin-top: .7rem;
  padding: .35rem .9rem;
  border: none;
  border-radius: 999px;
  background: transparent;
  font-size: var(--text-sm);
  color: var(--c-text-sub);
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}
.btn-reset:hover { color: var(--c-text); }

/* --- 種別クイックチップ --- */
.chips {
  display: flex;
  flex-wrap: nowrap;
  gap: .45rem;
  margin-bottom: .85rem;
  overflow-x: auto;
  padding: .1rem .1rem .35rem;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .42rem .85rem;
  border-radius: 999px;
  border: 1.5px solid var(--c-border);
  background: var(--c-card);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-text-sub);
  cursor: pointer;
  white-space: nowrap;
  scroll-snap-align: start;
  transition: border-color .15s, background .15s, color .15s, transform .1s, box-shadow .15s;
}
.chip:hover { border-color: var(--c-border-strong); }
.chip:active { transform: scale(.95); }
.chip__dot {
  width: .55em; height: .55em; border-radius: 50%;
  background: var(--dot, var(--c-text-faint));
  flex-shrink: 0;
}
.chip__count {
  font-size: .72rem;
  font-weight: 800;
  color: var(--c-text-faint);
  font-variant-numeric: tabular-nums;
}
/* 各チップの色 */
.chip[data-type="プロポーザル"] { --dot: var(--t-prop-fg); }
.chip[data-type="公募"]         { --dot: var(--t-koubo-fg); }
.chip[data-type="入札"]         { --dot: var(--t-bid-fg); }
.chip[data-type="募集"]         { --dot: var(--t-boshu-fg); }
.chip[data-type="その他"]       { --dot: var(--t-etc-fg); }
.chip[data-type="すべて"]       { --dot: var(--c-accent); }
/* 選択中 */
.chip.is-active {
  color: #fff;
  border-color: transparent;
  background: var(--dot, var(--c-accent));
  box-shadow: 0 4px 14px -6px var(--dot, var(--c-accent));
}
.chip.is-active .chip__dot { background: rgba(255,255,255,.85); }
.chip.is-active .chip__count { color: rgba(255,255,255,.85); }

/* --- 結果バー --- */
.results-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: .4rem .5rem;
  padding: .1rem .25rem;
  margin-bottom: .7rem;
}
.results-bar__count {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--c-text);
  font-variant-numeric: tabular-nums;
}
.results-bar__count b { color: var(--c-accent-ink); font-size: 1.15em; }
.results-bar__right { display: flex; align-items: center; gap: .6rem; }
.sort-wrap { position: relative; display: inline-flex; align-items: center; }
.sort-wrap select {
  -webkit-appearance: none;
  appearance: none;
  border: 1px solid var(--c-border-strong);
  background: var(--c-card);
  color: var(--c-text-sub);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: 999px;
  padding: .3rem 1.7rem .3rem .8rem;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236f7168' d='M3 4.5l3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right .55rem center;
}
.sort-wrap select:focus { border-color: var(--c-accent); outline: none; }
.results-bar__updated { font-size: .74rem; color: var(--c-text-faint); }

/* --- カード一覧 --- */
.card-list { display: flex; flex-direction: column; gap: .65rem; }
.loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--c-text-faint);
  font-size: var(--text-sm);
  letter-spacing: .08em;
}
.loading::before {
  content: "";
  display: block;
  width: 26px; height: 26px;
  margin: 0 auto .8rem;
  border: 3px solid var(--c-accent-soft);
  border-top-color: var(--c-accent);
  border-radius: 50%;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- カード --- */
.card {
  position: relative;
  background: var(--c-card);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: .95rem 1rem .9rem 1.2rem;
  transition: border-color .18s, box-shadow .18s, transform .12s;
  overflow: hidden;
}
/* 種別の左ライン */
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--t-etc-fg);
}
.card[data-type="プロポーザル"]::before { background: var(--t-prop-fg); }
.card[data-type="公募"]::before         { background: var(--t-koubo-fg); }
.card[data-type="入札"]::before         { background: var(--t-bid-fg); }
.card[data-type="募集"]::before         { background: var(--t-boshu-fg); }
.card:active { transform: scale(.996); }

/* カードヘッダー */
.card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  align-items: center;
  margin-bottom: .4rem;
}
.tag {
  display: inline-flex;
  align-items: center;
  padding: .12rem .6rem;
  border-radius: 999px;
  font-size: .7rem;
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: .04em;
}
.tag--type { background: var(--t-etc-bg); color: var(--t-etc-fg); }
.tag--type[data-v="プロポーザル"] { background: var(--t-prop-bg); color: var(--t-prop-fg); }
.tag--type[data-v="公募"]         { background: var(--t-koubo-bg); color: var(--t-koubo-fg); }
.tag--type[data-v="入札"]         { background: var(--t-bid-bg); color: var(--t-bid-fg); }
.tag--type[data-v="募集"]         { background: var(--t-boshu-bg); color: var(--t-boshu-fg); }

.tag--area { background: transparent; color: var(--c-text-sub); border: 1px solid var(--c-border-strong); }

/* 新着バッジ（サンゴ色でポップに） */
.tag--new {
  background: var(--c-coral);
  color: #fff;
  letter-spacing: .08em;
  box-shadow: 0 2px 8px -2px var(--c-coral);
  animation: newpop .5s ease;
}
@keyframes newpop { from { transform: scale(.7); opacity: 0; } to { transform: scale(1); opacity: 1; } }

.card__org { font-size: var(--text-sm); color: var(--c-text-sub); font-weight: 600; }

/* カードタイトル */
.card__title {
  font-size: var(--text-md);
  font-weight: 700;
  line-height: 1.55;
  margin-bottom: .45rem;
  text-wrap: pretty;
}
.card__title a {
  color: var(--c-text);
  transition: color .15s;
  display: inline-flex;
  align-items: baseline;
  gap: .3em;
}
.card__title a:hover { color: var(--c-accent-ink); text-decoration: none; }
.card__title a::after {
  content: "↗";
  font-size: .8em;
  color: var(--c-text-faint);
  transition: color .15s, transform .15s;
}
.card__title a:hover::after { color: var(--c-accent); transform: translate(1px, -1px); }

/* カードメタ */
.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .1rem .9rem;
  font-size: var(--text-sm);
  color: var(--c-text-sub);
  font-variant-numeric: tabular-nums;
}
.card__meta-label { font-weight: 700; color: var(--c-text-faint); }
.card__meta .expired { color: var(--c-danger); }
.card__meta .deadline { color: var(--c-warn); font-weight: 700; }

/* --- ページネーション --- */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: 1.6rem;
  padding-bottom: .5rem;
}
.pagination button {
  min-width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--c-text-sub);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .1s;
  padding: 0 .6rem;
  font-variant-numeric: tabular-nums;
}
.pagination button:hover {
  background: var(--c-accent-soft);
  color: var(--c-accent-ink);
}
.pagination button:active { transform: scale(.94); }
.pagination button.active {
  background: var(--c-accent);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow-pop);
}
.pagination button:disabled { opacity: .3; cursor: default; pointer-events: none; }
.pagination__ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px; height: 40px;
  font-size: var(--text-sm);
  color: var(--c-text-faint);
}

/* --- 空の状態 --- */
.empty-state { text-align: center; padding: 3.5rem 1rem; color: var(--c-text-faint); }
.empty-state__icon { font-size: 2.2rem; margin-bottom: .5rem; }
.empty-state__title { font-size: var(--text-md); font-weight: 700; margin-bottom: .35rem; color: var(--c-text-sub); }

/* --- フッター --- */
.footer {
  background: transparent;
  color: var(--c-text-faint);
  border-top: 1px solid var(--c-border);
  padding: 1.5rem 1rem;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom, 0px));
  margin-top: 1.5rem;
  font-size: var(--text-sm);
  text-align: center;
  line-height: 1.7;
}
.footer small { display: block; margin-top: .5rem; opacity: .7; }
.footer__links { margin-top: .55rem; }
.footer__links a { color: var(--c-accent-ink); font-weight: 600; text-underline-offset: 3px; }

/* ============================================================
   タブレット (>=600px)
   ============================================================ */
@media (min-width: 600px) {
  .search-panel { padding: .95rem 1.1rem; }
  .filters__grid { grid-template-columns: repeat(2, 1fr); }
  .card { padding: 1rem 1.25rem .95rem 1.45rem; }
}

/* ============================================================
   デスクトップ (>=900px)
   ============================================================ */
@media (min-width: 900px) {
  .header { padding: 1.9rem 1.5rem 2.8rem; }
  .main { padding: 1.25rem 1.5rem 2.5rem; }
  .filters__grid { grid-template-columns: repeat(3, 1fr); }
  .card:hover { border-color: var(--c-accent-soft); box-shadow: var(--shadow-md); transform: translateY(-1px); }
}