/* =========================================
   GameMatch - ゲーム仲間募集掲示板
   基調カラー：オレンジ
========================================= */

:root {
  --color-primary: #ff7a1a;
  --color-primary-dark: #e8600a;
  --color-primary-light: #ffb366;
  --color-accent: #fff1e6;
  --color-bg: #fffaf5;
  --color-surface: #ffffff;
  --color-text: #33261f;
  --color-text-sub: #8a7267;
  --color-border: #ffdcb8;
  --color-danger: #ff4d6d;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-sm: 0 2px 8px rgba(255, 122, 26, 0.08);
  --shadow-md: 0 6px 20px rgba(255, 122, 26, 0.14);

  --header-height: 64px;
  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Hiragino Sans", "Yu Gothic", "Segoe UI", sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.92rem;
  border: 2px solid transparent;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-accent);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  height: 100%;
  padding: 0 20px;
  display: flex;
  align-items: center;
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}

.logo span {
  color: var(--color-primary);
}

/* ---------- フッター ---------- */
.site-footer {
  margin-top: 60px;
  padding: 30px 20px 60px;
  text-align: center;
  color: var(--color-text-sub);
  font-size: 0.82rem;
  border-top: 1px solid var(--color-border);
}

.footer-links {
  margin-top: 8px;
}

.footer-links a {
  color: var(--color-primary-dark);
  font-weight: 700;
}

.empty-state {
  text-align: center;
  color: var(--color-text-sub);
  font-size: 0.88rem;
  padding: 40px 20px;
  grid-column: 1 / -1;
}

/* =========================================
   トップページ
========================================= */

.hero {
  padding: 48px 20px 36px;
  text-align: center;
  background: linear-gradient(180deg, #fff1e2 0%, var(--color-bg) 100%);
}

.hero h1 {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  margin: 0 0 12px;
  color: var(--color-primary-dark);
}

.hero p {
  margin: 0 auto;
  max-width: 520px;
  color: var(--color-text-sub);
}

/* ---------- 本文＋広告サイドバーの2カラムレイアウト ---------- */

.page-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px 40px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-main {
  min-width: 0;
}

.ad-sidebar {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.ad-slot {
  background: var(--color-surface);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-sub);
  font-size: 0.8rem;
  font-weight: 700;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  min-height: 250px;
  padding: 12px;
}

.ad-slot span {
  font-size: 0.7rem;
  font-weight: 400;
  opacity: 0.75;
}

.ad-unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.ad-label {
  font-size: 0.7rem;
  color: var(--color-text-sub);
  align-self: flex-start;
}

@media (min-width: 900px) {
  .page-layout {
    grid-template-columns: 1fr 300px;
  }

  .ad-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 20px);
  }
}

.category-section + .category-section {
  margin-top: 8px;
}

.category-heading {
  margin: 40px 0 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-section:first-child .category-heading {
  margin-top: 0;
}

.category-heading h2 {
  font-size: 1.15rem;
  margin: 0;
}

.category-heading .category-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-accent);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
}

.game-grid {
  padding: 0 0 20px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.game-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.game-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.game-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  overflow: hidden;
}

.game-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
}

.player-count {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.count-number {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
}

.count-label {
  font-size: 0.7rem;
  color: var(--color-text-sub);
}

/* =========================================
   掲示板ページ
========================================= */

.breadcrumb {
  max-width: var(--max-width);
  margin: 14px auto 0;
  padding: 0 20px;
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

.game-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: #fff;
  padding: 28px 20px;
}

.game-banner-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.game-banner-thumb {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  overflow: hidden;
}

.game-banner-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.game-banner-meta h1 {
  margin: 0 0 4px;
  font-size: 1.3rem;
}

.game-banner-stats {
  display: flex;
  gap: 16px;
  font-size: 0.85rem;
  flex-wrap: wrap;
  opacity: 0.95;
}

.game-banner-stats b {
  font-size: 1.1rem;
}

.section-title {
  margin: 40px 0 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.section-title h2 {
  font-size: 1.2rem;
  margin: 0;
}

.section-title .hint {
  font-size: 0.8rem;
  color: var(--color-text-sub);
}

.post-form-section {
  margin: 28px 0 0;
}

.post-form-section h2 {
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.post-form-section form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea,
.post-form-section textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--color-bg);
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.post-form-section textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.btn-block {
  width: 100%;
}

.form-error {
  display: none;
  background: #fff0f2;
  color: var(--color-danger);
  border: 1px solid #ffc9d3;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.form-success {
  display: none;
  background: #edfbf3;
  color: #1e7d4f;
  border: 1px solid #b9ebce;
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.82rem;
  margin-bottom: 16px;
}

.form-success.is-visible {
  display: block;
}

.form-error.is-visible {
  display: block;
}

.post-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.post-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}

.post-meta {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 6px;
}

.post-author {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-primary-dark);
}

.post-time {
  font-size: 0.72rem;
  color: var(--color-text-sub);
}

.post-id {
  font-size: 0.68rem;
  font-family: "Consolas", "SFMono-Regular", Menlo, monospace;
  color: var(--color-text-sub);
  opacity: 0.8;
}

.post-body {
  font-size: 0.92rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 0 0 10px;
}

.post-toggle-replies {
  border: none;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 0;
}

.post-replies {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
}

.post-replies[hidden] {
  display: none;
}

.reply-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.reply-item {
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.reply-item .post-body {
  margin-bottom: 0;
  font-size: 0.86rem;
}

.reply-form input,
.reply-form textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: 0.86rem;
  font-family: inherit;
  background: var(--color-bg);
  resize: vertical;
}

.reply-form input:focus,
.reply-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--color-surface);
}

.reply-form .form-row {
  margin-bottom: 8px;
}

.reply-form textarea {
  margin-bottom: 10px;
}

/* ---------- トップページ：最新のコメント ---------- */

.latest-comments-section {
  margin-top: 40px;
}

/* 表示件数は3件分の高さに固定し、残りはスクロールバーで確認する */
.latest-comments-viewport {
  max-height: 252px;
  overflow-y: auto;
  border-radius: var(--radius-md);
  scrollbar-width: thin;
  scrollbar-color: var(--color-primary-light) var(--color-accent);
}

.latest-comments-viewport::-webkit-scrollbar {
  width: 8px;
}

.latest-comments-viewport::-webkit-scrollbar-track {
  background: var(--color-accent);
  border-radius: var(--radius-pill);
}

.latest-comments-viewport::-webkit-scrollbar-thumb {
  background: var(--color-primary-light);
  border-radius: var(--radius-pill);
}

.latest-comments-viewport::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary);
}

.latest-comments-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.comment-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.comment-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.comment-game-thumb {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  overflow: hidden;
}

.comment-game-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.comment-body-wrap {
  min-width: 0;
  flex: 1;
}

.comment-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.comment-game-name {
  font-weight: 700;
  font-size: 0.8rem;
  color: var(--color-primary-dark);
}

.comment-kind-tag {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-text-sub);
  background: var(--color-accent);
  padding: 1px 8px;
  border-radius: var(--radius-pill);
}

.comment-body {
  display: block;
  font-size: 0.86rem;
  color: var(--color-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* =========================================
   利用規約・プライバシーポリシー
========================================= */

.legal-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 60px;
}

.legal-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
}

.legal-card h1 {
  font-size: 1.4rem;
  color: var(--color-primary-dark);
  margin: 0 0 10px;
}

.legal-card h2 {
  font-size: 1rem;
  margin: 24px 0 8px;
}

.legal-card p,
.legal-card li {
  font-size: 0.88rem;
  color: var(--color-text);
  line-height: 1.8;
}

.legal-card ul {
  padding-left: 1.4em;
  list-style: disc;
}

.legal-note {
  background: var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--color-primary-dark) !important;
  font-size: 0.82rem !important;
}

.legal-updated {
  color: var(--color-text-sub);
  font-size: 0.78rem !important;
  margin-top: 28px;
}

.legal-card .btn {
  margin-top: 12px;
}

/* ---------- 管理者ページ ---------- */

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin: 20px 0;
}

.admin-stat-card {
  background: var(--color-accent);
  border-radius: var(--radius-md);
  padding: 14px;
  text-align: center;
}

.admin-stat-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-primary);
}

.admin-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-sub);
}

.admin-table-wrap {
  overflow-x: auto;
  margin-top: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}

.admin-table th {
  background: var(--color-accent);
  font-weight: 700;
  white-space: nowrap;
}

.admin-table tr:last-child td {
  border-bottom: none;
}

.admin-body-cell {
  white-space: pre-wrap;
  word-break: break-word;
  min-width: 220px;
}

.admin-post-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 28px;
}

.admin-post-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  background: var(--color-bg);
}

.admin-post-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.admin-post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.admin-post-game {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  background: var(--color-accent);
  padding: 2px 9px;
  border-radius: var(--radius-pill);
}

.admin-post-body {
  font-size: 0.88rem;
  white-space: pre-wrap;
  word-break: break-word;
  margin: 4px 0 0;
}

.admin-delete-btn {
  border: 1px solid var(--color-danger);
  background: #fff0f2;
  color: var(--color-danger);
  border-radius: var(--radius-pill);
  padding: 5px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.admin-delete-btn:hover {
  background: var(--color-danger);
  color: #fff;
}

.admin-reply-toggle {
  border: none;
  background: transparent;
  color: var(--color-primary);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 8px 0 0;
}

.admin-reply-list {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-reply-list[hidden] {
  display: none;
}

.admin-reply-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
}

.admin-reply-item .admin-post-body {
  font-size: 0.82rem;
}

/* =========================================
   レスポンシブ
========================================= */

@media (min-width: 640px) {
  .game-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .game-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 767px) {
  .game-banner-inner {
    gap: 12px;
  }
}