/* cocozatsudan 共通スタイル（cocoシリーズ：ダーク/ライト対応） */
:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #1e2430;
  --muted: #6b7383;
  --border: #e2e6ef;
  --accent: #3b82f6;
  --accent-soft: #eaf1fe;
  --success: #16a34a;
  --danger: #dc2626;
  --system: #8b93a5;
}
:root[data-theme="dark"] {
  --bg: #12151c;
  --card: #1a1f2a;
  --text: #e8ebf2;
  --muted: #9aa3b5;
  --border: #2a3140;
  --accent: #5b9cf8;
  --accent-soft: #1d2a41;
  --success: #34d399;
  --danger: #f87171;
  --system: #7a8296;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 1.5rem; margin-bottom: 12px; }
h2 { font-size: 1.15rem; margin: 28px 0 10px; }

/* ヘッダー */
.site-header { background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.header-inner { width: 100%; padding: 0 16px; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; flex-direction: column; color: var(--text); line-height: 1.25; flex-shrink: 0; padding: 8px 0; }
.brand:hover { text-decoration: none; }
.brand-name { font-weight: 800; font-size: 1.5rem; color: var(--accent); letter-spacing: .02em; }
.brand-domain { font-size: .68rem; color: var(--muted); }
.header-right { flex: 1; min-width: 0; display: flex; flex-direction: column; align-self: stretch; }
.header-toprow { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; padding: 10px 0 8px; }
.header-tagline { font-size: .82rem; color: var(--text); flex: 1; min-width: 180px; }
.header-auth { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.theme-toggle { background: none; border: 1px solid var(--border); border-radius: 8px; padding: 4px 10px; cursor: pointer; font-size: .9rem; }

.header-navrow { border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

/* ハンバーガーメニュー（SP） */
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 10px 11px; cursor: pointer; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle span + span { margin-top: 4px; }
@media (max-width: 760px) {
  .header-inner { flex-wrap: wrap; gap: 0 22px; }
  .nav-toggle { display: block; margin-left: auto; }
  .site-header.is-open .nav-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
  .site-header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .header-right { min-width: 100%; display: none; }
  .site-header.is-open .header-right { display: flex; padding-bottom: 12px; }
  .header-tagline { display: none; }
  .header-toprow { padding-top: 0; }
  .portal-nav { flex-direction: column; width: 100%; }
  .portal-nav a { padding: 11px 4px; border-bottom: 1px solid var(--border); }
  .portal-nav a.is-active { border-bottom-color: var(--accent); }
  .nav-stats { padding: 8px 0; }
}
.portal-nav { display: flex; flex-wrap: wrap; }
.portal-nav a { padding: 9px 14px; font-size: .85rem; color: var(--text); font-weight: 600; border-bottom: 3px solid transparent; }
.portal-nav a:hover { color: var(--accent); text-decoration: none; }
.portal-nav a.is-active { color: var(--accent); border-bottom-color: var(--accent); }
.nav-stats { font-size: .74rem; color: var(--muted); }
.nav-stats strong { color: var(--text); }

.portal-search { display: flex; flex: 1; min-width: 180px; max-width: 340px; }
.portal-search input { flex: 1; min-width: 0; background: var(--bg); border: 1px solid var(--border); border-right: none; border-radius: 8px 0 0 8px; padding: 8px 12px; color: var(--text); font-size: .88rem; }
.portal-search button { border: 1px solid var(--accent); background: var(--accent); color: #fff; border-radius: 0 8px 8px 0; padding: 0 14px; cursor: pointer; font-size: .95rem; }

/* メイン */
.site-main { width: 100%; padding: 16px 16px 48px; }
.page-narrow { max-width: 720px; margin: 0 auto; }

.flash { padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: .9rem; }
.flash-error { background: #fde8e8; color: #b91c1c; }
.flash-success { background: #e7f8ee; color: #15803d; }
:root[data-theme="dark"] .flash-error { background: #3a1d1d; color: #f8b4b4; }
:root[data-theme="dark"] .flash-success { background: #16362a; color: #86efac; }

/* ヒーロー */
.hero { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 28px 24px; text-align: center; margin-bottom: 28px; }
.hero h1 { font-size: 1.55rem; }
.hero-lead { color: var(--muted); font-size: .95rem; margin: 8px 0 14px; }
.hero-badges { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.badge { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 4px 12px; font-size: .8rem; font-weight: 600; }
.hero-online { font-size: .9rem; color: var(--muted); }
.hero-online strong { color: var(--success); font-size: 1.1rem; }

/* ポータルトップページ */
.search-result-note { font-size: .85rem; color: var(--muted); margin-bottom: 14px; }

/* ファーストビュー */
.portal-hero { background: var(--card); border: 1px solid var(--border); border-radius: 12px; box-shadow: 0 1px 3px rgba(0,0,0,.05); padding: 16px 20px; margin-bottom: 13px; display: flex; align-items: center; gap: 10px 22px; flex-wrap: wrap; }
.portal-hero h1 { font-size: 1.3rem; margin: 0; }
.hero-desc { font-size: .82rem; color: var(--muted); }
.portal-hero-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-stats { list-style: none; display: flex; gap: 6px 16px; flex-wrap: wrap; margin-left: auto; font-size: .78rem; color: var(--muted); }
.hero-stats strong { color: var(--accent); font-size: 1.05rem; margin-right: 2px; }
@media (max-width: 760px) { .hero-stats { margin-left: 0; } }

.portal-grid {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr) 310px 290px;
  grid-template-areas:
    "left main   mid    right"
    "left topics topics right";
  gap: 13px;
  align-items: start;
}
.area-left   { grid-area: left; }
.area-main   { grid-area: main; }
.area-mid    { grid-area: mid; }
.area-topics { grid-area: topics; }
.area-right  { grid-area: right; }
@media (max-width: 1360px) {
  .portal-grid {
    grid-template-columns: 230px minmax(0, 1fr) 290px;
    grid-template-areas:
      "left main   mid"
      "left topics topics"
      "right right right";
  }
  .area-right { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 13px; align-items: start; }
}
@media (max-width: 900px) {
  .portal-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "main" "mid" "topics" "left" "right";
  }
  .area-right { grid-template-columns: minmax(0, 1fr); }
}

.side-box { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; box-shadow: 0 1px 3px rgba(0,0,0,.04); }
.side-box h3 { font-size: .9rem; margin: 0 0 10px; padding-bottom: 8px; border-bottom: 2px solid var(--accent-soft); scroll-margin-top: 110px; }
.h3-sub { font-weight: 400; font-size: .72rem; color: var(--muted); }

.new-badge { display: inline-block; background: var(--danger); color: #fff; font-size: .6rem; font-weight: 700; border-radius: 3px; padding: 1px 5px; margin-right: 4px; vertical-align: 1px; }

.news-list { list-style: none; display: flex; flex-direction: column; gap: 6px; font-size: .78rem; }
.news-list li { padding-bottom: 6px; border-bottom: 1px dashed var(--border); }
.news-date { color: var(--muted); margin-right: 6px; }

.rank-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.rank-list li { display: flex; align-items: center; gap: 8px; font-size: .84rem; }
.rank-list a, .rank-user { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text); }
.rank-no { flex-shrink: 0; min-width: 20px; height: 20px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: .68rem; font-weight: 700; display: flex; align-items: center; justify-content: center; padding: 0 3px; }
.rank-no.rank-crown { background: none; font-size: 1rem; }
.rank-no.rank-2 { background: #fde68a; color: #92400e; }
.rank-no.rank-3 { background: #fbcfe8; color: #9d174d; }
.rank-count { flex-shrink: 0; font-size: .72rem; color: var(--muted); }
.rank-count.is-on { color: var(--success); font-weight: 700; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-chip { background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 3px 10px; font-size: .76rem; font-weight: 600; }
.tag-chip:hover { text-decoration: none; opacity: .85; }

.link-list { list-style: none; display: flex; flex-direction: column; gap: 8px; font-size: .83rem; }
.link-list a { display: flex; justify-content: space-between; gap: 8px; color: var(--text); }
.link-list a:hover { color: var(--accent); }
.cat-count { color: var(--muted); font-size: .75rem; }

/* キャンペーンバナー */
.campaign-banner { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; background: linear-gradient(135deg, #bfe0ff 0%, #e8f4ff 45%, #fff3c4 100%); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; margin-bottom: 14px; color: #1e3a8a; text-align: center; }
.campaign-banner:hover { text-decoration: none; opacity: .93; }
.camp-flower { font-size: 1.6rem; }
.camp-text { display: flex; flex-direction: column; }
.camp-text strong { font-size: 1.15rem; }
.camp-text span { font-size: .82rem; }
.camp-cta { background: var(--accent); color: #fff; font-size: .78rem; font-weight: 700; border-radius: 999px; padding: 6px 14px; }
:root[data-theme="dark"] .campaign-banner { background: linear-gradient(135deg, #143154 0%, #1a2b45 55%, #3a3315 100%); color: #cfe3ff; }

/* 新着ルーム（リスト型） */
.room-filter { display: flex; align-items: center; flex-wrap: wrap; margin-bottom: 6px; padding-bottom: 7px; border-bottom: 1px solid var(--border); }
.filter-btn { background: none; border: none; border-right: 1px solid var(--border); color: var(--accent); font-size: .8rem; font-family: inherit; cursor: pointer; padding: 1px 10px; line-height: 1.4; }
.filter-btn:first-child { padding-left: 2px; }
.filter-btn:hover { text-decoration: underline; }
.filter-btn.is-active { color: var(--text); font-weight: 700; text-decoration: none; }
.filter-more { margin-left: auto; font-size: .78rem; padding-left: 10px; }
.room-rows { display: flex; flex-direction: column; }
.room-row { display: flex; align-items: baseline; gap: 8px; padding: 8px 4px; border-bottom: 1px dashed var(--border); color: var(--text); font-size: .86rem; transition: background .12s; }
.room-row:hover { background: var(--accent-soft); text-decoration: none; }
.row-icon { flex-shrink: 0; font-size: .95rem; }
.row-time { flex-shrink: 0; font-size: .7rem; color: var(--muted); }
@media (max-width: 480px) { .row-time { display: none; } }
.row-badge { flex-shrink: 0; font-size: .76rem; font-weight: 700; }
.badge-purpose { color: #2563eb; } .badge-age { color: #16a34a; } .badge-region { color: #d97706; } .badge-free { color: #db2777; }
:root[data-theme="dark"] .badge-purpose { color: #7cb0fa; } :root[data-theme="dark"] .badge-age { color: #4ade80; }
:root[data-theme="dark"] .badge-region { color: #fbbf24; } :root[data-theme="dark"] .badge-free { color: #f472b6; }
.row-title { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 600; }
.row-desc { font-weight: 400; color: var(--muted); font-size: .78rem; }
.row-count { flex-shrink: 0; font-size: .78rem; color: var(--muted); }
.row-count.is-on { color: var(--success); font-weight: 700; }
.more-link { text-align: right; font-size: .8rem; margin-top: 8px; }

/* リアルタイムトーク */
.talk-feed { list-style: none; display: flex; flex-direction: column; }
.talk-feed li { border-bottom: 1px dashed var(--border); }
.talk-feed li a { display: block; padding: 7px 2px; font-size: .8rem; color: var(--text); }
.talk-feed li a:hover { background: var(--accent-soft); text-decoration: none; }
.talk-head { display: flex; justify-content: space-between; gap: 8px; }
.talk-nick { font-weight: 700; color: var(--accent); }
.talk-time { color: var(--muted); font-size: .7rem; }
.talk-body { display: block; color: var(--text); }

/* 新着トピック */
.topic-table { width: 100%; border-collapse: collapse; font-size: .82rem; }
.topic-table th, .topic-table td { border-bottom: 1px solid var(--border); padding: 8px 6px; text-align: left; white-space: nowrap; }
.topic-table td:nth-child(2) { white-space: normal; }
.topic-table th { color: var(--muted); font-weight: 600; font-size: .72rem; }
.topic-body { font-weight: 600; }
.topic-room { color: var(--accent); }
.topic-time { color: var(--muted); font-size: .76rem; }

/* 初めての方へ */
.firsttime-box { display: flex; align-items: center; gap: 8px; }
.firsttime-inner { flex: 1; min-width: 0; }
.firsttime-illust { font-size: 2.4rem; line-height: 1; }

/* ルームカテゴリー（色付き星） */
.cat-star { font-size: .9em; }
.star-gold { color: #f59e0b; } .star-blue { color: #3b82f6; } .star-green { color: #16a34a; }
.star-orange { color: #f97316; } .star-pink { color: #ec4899; }

/* ログインボックス */
.login-box form { display: flex; flex-direction: column; gap: 10px; }
.login-box label { font-size: .78rem; font-weight: 600; display: flex; flex-direction: column; gap: 4px; }
.login-box input[type="text"], .login-box input[type="password"] { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 9px 11px; font-size: .88rem; font-family: inherit; }
.login-check { flex-direction: row !important; align-items: center; gap: 6px !important; font-weight: 400 !important; }
.btn.btn-register { background: #22c55e; }
.login-forgot { display: block; text-align: center; font-size: .78rem; }
.login-note { background: var(--accent-soft); color: var(--text); border-radius: 8px; padding: 8px 10px; font-size: .78rem; }
.login-start { margin-top: 12px; font-size: .8rem; }
.login-start ul { list-style: none; color: var(--muted); margin-top: 4px; }
.login-online { margin-top: 12px; font-size: .82rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.login-online strong { color: var(--success); }
.avatar-row { display: flex; }
.avatar { width: 24px; height: 24px; border-radius: 50%; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; font-size: .8rem; margin-left: -4px; border: 1px solid var(--card); }

/* 賑わっているルーム */
.room-strip { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px,1fr)); gap: 10px; }
.strip-card { display: flex; gap: 10px; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; color: var(--text); transition: border-color .15s, transform .15s, box-shadow .15s; }
.strip-card:hover { border-color: var(--accent); transform: translateY(-2px); box-shadow: 0 3px 8px rgba(0,0,0,.08); text-decoration: none; }
.strip-icon { flex-shrink: 0; width: 44px; height: 44px; border-radius: 50%; background: var(--accent-soft); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; }
.icon-green { background: #d9f3e7; } .icon-pink { background: #fde5f1; } .icon-orange { background: #fdeed3; } .icon-purple { background: #ece4fc; }
:root[data-theme="dark"] .icon-green { background: #143229; } :root[data-theme="dark"] .icon-pink { background: #381e2c; }
:root[data-theme="dark"] .icon-orange { background: #3a2d15; } :root[data-theme="dark"] .icon-purple { background: #291f42; }
.strip-info { display: flex; flex-direction: column; min-width: 0; }
.strip-name { font-weight: 700; font-size: .85rem; }
.strip-online { font-size: .72rem; color: var(--muted); }
.strip-online.is-on { color: var(--success); font-weight: 700; }
.strip-desc { font-size: .72rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ルーム一覧 */
.room-section { margin-bottom: 32px; }
.section-lead { color: var(--muted); font-size: .88rem; margin-bottom: 12px; }
.room-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.room-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; color: var(--text); position: relative; transition: border-color .15s, transform .15s; }
.room-card:hover { border-color: var(--accent); transform: translateY(-2px); text-decoration: none; }
.room-card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.room-name { font-weight: 700; }
.room-online { font-size: .78rem; color: var(--muted); }
.room-online.is-on { color: var(--success); font-weight: 700; }
.room-desc { font-size: .8rem; color: var(--muted); line-height: 1.5; margin-bottom: 8px; }
.room-tag { font-size: .68rem; background: var(--accent-soft); color: var(--accent); border-radius: 4px; padding: 2px 8px; }
.room-tag-free { background: #fef3e2; color: #d97706; }
:root[data-theme="dark"] .room-tag-free { background: #3a2d18; color: #fbbf24; }
.empty-note { color: var(--muted); font-size: .88rem; }

/* テーマカラー（ルーム） */
.theme-green  { --accent: #10b981; --accent-soft: #e5f7f0; }
.theme-pink   { --accent: #ec4899; --accent-soft: #fdeaf3; }
.theme-orange { --accent: #f59e0b; --accent-soft: #fdf3e2; }
.theme-purple { --accent: #8b5cf6; --accent-soft: #f0eafd; }
:root[data-theme="dark"] .theme-green  { --accent-soft: #143229; }
:root[data-theme="dark"] .theme-pink   { --accent-soft: #381e2c; }
:root[data-theme="dark"] .theme-orange { --accent-soft: #3a2d15; }
:root[data-theme="dark"] .theme-purple { --accent-soft: #291f42; }

/* ボタン・フォーム */
.btn { display: inline-block; background: var(--accent); color: #fff; border: none; border-radius: 8px; padding: 9px 20px; font-size: .9rem; font-weight: 600; cursor: pointer; }
.btn:hover { opacity: .88; text-decoration: none; }
.btn-sub { background: var(--card); color: var(--text); border: 1px solid var(--border); }
.btn-small { padding: 5px 12px; font-size: .8rem; }
.btn-wide { width: 100%; padding: 12px; text-align: center; }
.form-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 20px; margin: 16px 0; display: flex; flex-direction: column; gap: 14px; }
.form-box label { font-size: .85rem; font-weight: 600; display: flex; flex-direction: column; gap: 6px; }
.form-box input, .form-box textarea, .form-box select,
.join-box input, .join-box select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: .95rem; font-family: inherit;
}
.join-nick-row { display: flex; gap: 8px; }
.join-nick-row input { flex: 1; min-width: 0; }
.join-nick-row .btn { flex-shrink: 0; }
.note-box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; font-size: .85rem; color: var(--muted); margin-top: 16px; }
.note-box h2 { margin-top: 0; font-size: 1rem; color: var(--text); }
.note-box ul { padding-left: 1.2em; }

/* チャットページ */
.chat-page { max-width: 1080px; margin: 0 auto; }
.chat-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.chat-title { font-size: 1.25rem; margin: 0; }
.chat-desc { font-size: .8rem; color: var(--muted); }
.chat-head-right { display: flex; align-items: center; gap: 10px; }
.chat-online { color: var(--success); font-weight: 700; font-size: .9rem; }
.theme-select { background: var(--card); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 5px 8px; font-size: .8rem; }

.chat-body { display: grid; grid-template-columns: 1fr 240px; gap: 14px; }
@media (max-width: 800px) { .chat-body { grid-template-columns: 1fr; } .chat-side { order: 2; } }

.chat-log-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; display: flex; flex-direction: column; }
.chat-log { height: 55vh; min-height: 320px; overflow-y: auto; padding: 14px 16px; display: flex; flex-direction: column; gap: 8px; }
.msg { display: flex; gap: 8px; align-items: baseline; font-size: .92rem; word-break: break-word; }
.msg-nick { font-weight: 700; color: var(--accent); flex-shrink: 0; font-size: .85rem; }
.msg-body { flex: 1; }
.msg-time { font-size: .7rem; color: var(--muted); flex-shrink: 0; }
.msg-report { background: none; border: none; color: var(--muted); cursor: pointer; font-size: .8rem; padding: 0 4px; visibility: hidden; }
.msg:hover .msg-report { visibility: visible; }
.msg-system { color: var(--system); font-size: .8rem; justify-content: center; }
.msg-mine .msg-nick { color: var(--success); }

.chat-input-area { border-top: 1px solid var(--border); padding: 10px 14px 14px; }
.quick-btns { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.quick-btn { background: var(--accent-soft); color: var(--accent); border: none; border-radius: 999px; padding: 4px 12px; font-size: .78rem; cursor: pointer; }
.quick-btn:hover { opacity: .8; }
#chat-form { display: flex; gap: 8px; }
#chat-input { flex: 1; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: .95rem; }
.chat-error { color: var(--danger); font-size: .8rem; min-height: 1.2em; margin-top: 4px; }

.chat-side { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; align-self: start; }
.side-title { font-size: .9rem; margin: 0 0 8px; }
.user-list { list-style: none; font-size: .85rem; max-height: 200px; overflow-y: auto; }
.user-list li { padding: 3px 0; border-bottom: 1px dashed var(--border); }
.user-list li::before { content: "●"; color: var(--success); font-size: .6rem; margin-right: 6px; vertical-align: 2px; }
.side-note { margin-top: 12px; font-size: .75rem; color: var(--muted); display: flex; flex-direction: column; gap: 6px; }

/* 入室・通報オーバーレイ */
.join-overlay, .report-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 16px; }
.report-overlay[hidden] { display: none; }
.join-box { background: var(--card); border-radius: 14px; padding: 28px 24px; max-width: 420px; width: 100%; display: flex; flex-direction: column; gap: 12px; }
.join-box h2 { margin: 0; font-size: 1.15rem; }
.join-lead { font-size: .85rem; color: var(--muted); }
.join-error { color: var(--danger); font-size: .82rem; min-height: 1.2em; }
.join-rules { font-size: .74rem; color: var(--muted); }
.report-btns { display: flex; gap: 8px; }

/* 伝言板 */
.board-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.board-item { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; }
.board-head { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; font-size: .82rem; }
.board-room { color: var(--accent); }
.board-date { color: var(--muted); font-size: .74rem; }
.board-body { font-size: .9rem; margin-top: 4px; }

/* メンバー検索 */
.form-inline { flex-direction: row; align-items: flex-end; flex-wrap: wrap; gap: 10px; }
.form-inline label { flex: 1; min-width: 200px; }
.form-inline .btn { width: auto; }
.member-list { max-height: none; }

/* 固定ページ */
.info-table { width: 100%; border-collapse: collapse; margin: 14px 0; background: var(--card); font-size: .9rem; }
.info-table th, .info-table td { border: 1px solid var(--border); padding: 9px 12px; text-align: left; }
.info-table th { width: 32%; background: var(--accent-soft); color: var(--text); }
.table-scroll { overflow-x: auto; }
.compare-table th { width: auto; }
.compare-table td:first-child { font-weight: 600; white-space: nowrap; }
.compare-cta { text-align: center; margin-top: 22px; }
.terms-list { padding-left: 1.4em; font-size: .9rem; display: flex; flex-direction: column; gap: 4px; }
.terms-list-ul { padding-left: 1.4em; font-size: .9rem; }
.terms-date { color: var(--muted); font-size: .82rem; margin-top: 24px; }
.about-section { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; }
.about-section h2 { margin-top: 0; }
.about-list { padding-left: 1.3em; font-size: .9rem; margin-top: 10px; display: flex; flex-direction: column; gap: 6px; }

/* 管理 */
.admin-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; margin-bottom: 10px; font-size: .88rem; }
.admin-meta { font-size: .75rem; color: var(--muted); margin-bottom: 4px; }
.admin-actions { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.admin-deleted { color: var(--danger); font-size: .78rem; }

/* フッター */
.site-footer { border-top: 1px solid var(--border); background: var(--card); margin-top: 40px; }
.footer-inner { width: 100%; padding: 24px 16px; text-align: center; font-size: .8rem; color: var(--muted); }
.footer-note { margin-bottom: 12px; }
.footer-nav { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.footer-copy { font-size: .75rem; }

/* SPフッターメニュー */
.sp-footer-nav { display: none; }
@media (max-width: 760px) {
  .sp-footer-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
    display: flex; background: var(--card); border-top: 1px solid var(--border);
    padding-bottom: env(safe-area-inset-bottom);
  }
  .sp-footer-nav a {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
    padding: 6px 2px 8px; font-size: .68rem; color: var(--muted); text-align: center;
  }
  .sp-footer-nav a:hover { text-decoration: none; }
  .sp-footer-nav a.is-active { color: var(--accent); }
  .sp-nav-icon { font-size: 1.25rem; line-height: 1; }
  body { padding-bottom: calc(56px + env(safe-area-inset-bottom)); }
  .site-footer { margin-bottom: 56px; }
}