@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100;400;500;600;700&display=swap");

:root {
  --bg:     #0b1020;
  --bg-soft:#141a2b;
  --card:   #181f33;
  --fg:     #f5f5fb;
  --muted:  #9aa2c0;
  --line:   #242b45;
  --accent: #ff6680;
  --accent-soft: rgba(255,102,128,0.12);
  --border: #2a3353;
  --danger: #ff5577;
  --rounded-card: 18px;
  --shadow-soft: 0 14px 35px rgba(0,0,0,0.45);
}

*,
*::before,
*::after { box-sizing: border-box; }

button,
input,
select,
textarea { font: inherit; }

html {
  min-height: 100%;
  overflow-y: auto;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background: radial-gradient(circle at top left, #202853 0, #050712 55%);
  color: var(--fg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrapper {
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 12px 40px;
}

/* ヘッダー */

.header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
}
.title-main {
  font-size: 1.3rem;
  font-weight: 650;
  letter-spacing: .04em;
}
.title-sub {
  font-size: .8rem;
  color: var(--muted);
}

.utility-nav,
.site-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  font-size: .78rem;
  color: var(--muted);
}
.utility-nav {
  justify-content: flex-end;
}
.site-footer {
  justify-content: center;
  max-width: 1156px;
  margin: 18px auto 0;
  padding: 14px 8px 0;
  border-top: 1px solid var(--line);
}
.legal-layout {
  max-width: 860px;
  margin: 0 auto;
}
.legal-card {
  padding: 18px 20px;
}
.legal-card h1 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}
.legal-card h2 {
  margin-top: 22px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  font-size: .95rem;
}
.legal-card p,
.legal-card li {
  font-size: .84rem;
  line-height: 1.75;
  color: var(--muted);
}
.legal-card ul {
  padding-left: 1.3rem;
}
.legal-meta {
  margin: 0 0 18px;
  font-size: .75rem;
  color: var(--muted);
}
.support-box {
  margin-top: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255,255,255,.025);
}

.linkwatch-run-meta {
  margin: 0 0 8px;
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-size: .75rem;
}
.linkwatch-history {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: .75rem;
}
.linkwatch-history summary {
  color: var(--accent);
  cursor: pointer;
}
.linkwatch-history-groups {
  max-height: 360px;
  margin-top: 8px;
  padding-right: 6px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
}
.linkwatch-history-groups h3 {
  margin: 12px 0 5px;
  color: var(--fg);
  font-size: .78rem;
}
.linkwatch-history-groups p {
  margin: 3px 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}
.linkwatch-history-group {
  padding: 8px 2px;
  border-bottom: 1px solid var(--line);
}
.linkwatch-history-group p {
  margin: 2px 0;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.release-history details {
  border-top: 1px solid var(--line);
  padding: 8px 2px;
}
.release-history details:first-of-type {
  border-top: 0;
}
.release-history summary {
  color: var(--fg);
  font-size: .84rem;
  font-weight: 650;
  cursor: pointer;
}
.release-history details[open] summary {
  color: var(--accent);
}
.release-history ul {
  margin: 7px 0 2px;
  padding-left: 1.25rem;
}
.release-history li {
  margin: 3px 0;
  color: var(--muted);
  font-size: .8rem;
  line-height: 1.55;
}

/* タブ */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 4px;
  margin-bottom: 10px;
}
.tab-btn {
  padding: 4px 9px;
  font-size: .78rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}
.tab-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--fg);
}

/* カードレイアウト */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) minmax(0, 1.5fr);
  gap: 10px;
}

.card {
  background: var(--card);
  border-radius: var(--rounded-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-soft);
  padding: 10px 11px;
  min-width: 0;
}
.card h2 {
  margin: 0 0 8px;
  font-size: .95rem;
}
.card h3 {
  margin: 10px 0 4px;
  font-size: .85rem;
}
.card small {
  color: var(--muted);
}

/* インプット・ボタン */

label {
  font-size: .8rem;
  color: var(--muted);
}
input[type="text"],
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--fg);
  background: #101426;
  border-radius: 12px;
  border: 1px solid var(--border);
  padding: 5px 8px;
  outline: none;
}
textarea { resize: vertical; }

#bbsBodyInput {
  min-height: 9em;
}

input[type="text"]:focus,
select:focus,
textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 5px 11px;
  font-size: .8rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: #262e4c;
  color: var(--fg);
  cursor: pointer;
}
.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-ghost {
  background: transparent;
  border-color: var(--border);
}
.btn:disabled {
  opacity: .5;
  cursor: default;
}

/* テーブル */

.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}
th, td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
}
td.num {
  text-align: right;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 1px 7px;
  font-size: .7rem;
  color: var(--muted);
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: .7rem;
  border: 1px solid var(--border);
}

/* RM multi-trip */

#multiTripInput {
  font-family: inherit;
  font-size: .78rem;
  min-height: 6rem;
}

/* スマホ */

@media (max-width: 800px) {
  .layout {
    grid-template-columns: minmax(0,1fr);
  }
  .header {
    flex-direction: column;
    align-items: flex-start;
  }
}

.trip-link-button {
  border: none;
  background: none;
  padding: 0;
  color: #66ccff;
  cursor: pointer;
  text-decoration: underline;
}

.trip-link-button:hover {
  opacity: 0.8;
}

.trip-link-button,
.name-trip-link-button {
  border: none;
  background: none;
  padding: 0;
  color: #66ccff;
  cursor: pointer;
  text-decoration: underline;
}

.trip-link-button:hover,
.name-trip-link-button:hover {
  opacity: 0.8;
}

.control-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: center;
  margin: 8px 0 10px;
  font-size: .8rem;
  color: var(--muted);
}

.control-bar input[type="number"] {
  font: inherit;
  padding: 3px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #101426;
  color: var(--fg);
  outline: none;
}

.control-bar input[type="number"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.rank-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8rem;
}

.rank-table th,
.rank-table td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.rank-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
}

#trip-chain-detail {
  margin-top: 10px;
  font-size: .8rem;
}

#trip-chain-detail table.sub-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 4px;
  font-size: .8rem;
}

#trip-chain-detail table.sub-table th,
#trip-chain-detail table.sub-table td {
  padding: 4px 6px;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

#trip-chain-detail h3 {
  margin: 6px 0 4px;
  font-size: .9rem;
}

.busy-box {
  border: 2px solid red;
  background: #fee;
  padding: 4px 8px;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.name-chain-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.name-chain-table th,
.name-chain-table td {
  border: 1px solid #ccc;
  padding: 4px 6px;
  text-align: center;
}

.name-chain-table th {
  background: #f5f5f5;
}

.pager button {
  margin: 0 2px;
}

.name-chain-layout {
  display: flex;
  gap: 1rem;
}

.name-chain-list {
  flex: 1;
  min-width: 0;
}

.name-chain-detail {
  flex: 1;
  min-width: 0;
  border-left: 1px solid #ccc;
  padding-left: 1rem;
}

.name-chain-table tbody tr {
  cursor: pointer;
}

/* 名前変遷タブ全体 */
#tab-name-chain {
  position: relative;
}

/* 左右２カラムレイアウト */
.name-chain-layout {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

/* 左の一覧テーブル */
.name-chain-list {
  flex: 1 1 0;
  min-width: 0;
  overflow: auto;
}

/* 右の詳細欄 */
.name-chain-detail {
  flex: 1 1 0;
  min-width: 0;
  overflow: auto;
  border-left: 1px solid rgba(255, 255, 255, 0.2);
  padding-left: 1rem;
}

/* 表が窮屈すぎないように */
.name-chain-table {
  width: 100%;
  border-collapse: collapse;
}

.name-chain-table th,
.name-chain-table td {
  padding: 2px 4px;
  white-space: nowrap;
}

/* 数値系を右寄せにして多少スリムに */
.name-chain-table td.num,
.name-chain-detail-table td.num {
  text-align: right;
}

/* 詳細サマリが表に重ならないよう margin 付ける */
#name-chain-detail-summary {
  margin-bottom: 0.5rem;
}

/* ★ GitHub風カレンダー用 */
.calendar-card {
    margin-top: 8px;
    padding: 8px 10px 10px;
    border-radius: 10px;
    border: 1px solid #2a314d;
    background: linear-gradient(135deg, rgba(12,16,40,0.95), rgba(8,10,26,0.95));
}

.calendar-title {
    font-size: 12px;
    margin-bottom: 4px;
    color: #cbd0ff;
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.calendar-title small {
    font-size: 11px;
    color: #9ca3c7;
}

.calendar-legend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: #9ca3c7;
    margin-top: 4px;
}

.calendar-legend-box {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    border: 1px solid #20243b;
}

/* グリッド本体 */
.calendar-grid {
    margin-top: 6px;
    display: grid;
    grid-auto-flow: column;         /* ← これで縦7マスごとに1週間ぶんの列になる */
    grid-template-rows: repeat(7, 10px);
    grid-auto-columns: 10px;
    gap: 2px;
}

/* 各日セル */
.calendar-day {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    border: 1px solid #20243b;
    background: #0b1020;            /* デフォルト（0戦） */
    cursor: default;
}

.calendar-day.has-games {
    cursor: pointer;
}

/* 濃さは games 数でざっくり段階化 */
.calendar-level-1 { background: #15263a; }
.calendar-level-2 { background: #1e4a6e; }
.calendar-level-3 { background: #2c7a8c; }
.calendar-level-4 { background: #46b39f; }

/* 今日っぽいところに枠だけ付けたい場合（任意） */
.calendar-day.today {
    outline: 1px solid rgba(255,255,255,0.35);
    outline-offset: 1px;
}

.calendar-month-row {
    display: grid;
    grid-auto-flow: column;      /* 日グリッドと同じ方向に流す */
    grid-auto-columns: 1fr;      /* 1週 = 1列 */
    column-gap: 2px;             /* .calendar-grid と合わせる */
    font-size: 10px;
    color: var(--text-muted, #aaa);
    margin-bottom: 4px;
}

.calendar-month-cell {
    text-align: left;
    /* 文字がうるさかったら letter-spacing とかで微調整 */
}

.calendar-year-nav {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: #a8b0c0;
    margin-bottom: 4px;   /* カレンダーカードとギュッと近づける */
}

.calendar-year-btn {
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
    font: inherit;
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.calendar-year-btn:hover {
    opacity: 0.8;
}

.calendar-year-label {
    font-weight: 500;
}

/* 選択肢を全表示するタブ選択（select置換）
   通常ボタン(ピンク/丸)と区別するため青系・角丸小・コンパクトにする */
.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-top: 4px;
}
.pill-group .pill {
  padding: 2px 6px;
  font-size: .72rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  white-space: nowrap;
}
.pill-group .pill:hover {
  border-color: var(--accent);
  color: var(--fg);
}
/* 選択中はタブ(.tab-btn.active)と同じピンクの枠線表現 */
.pill-group .pill.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--fg);
  font-weight: 600;
}

/* ランキング設定項目の囲い（項目名は左、選択肢は右揃え） */
.setting-box {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  background: rgba(255,255,255,.02);
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.setting-box > label {
  font-size: .75rem;
  color: var(--muted);
  flex: 0 0 6.5em;
}
.setting-box > div {
  flex: 0 0 auto;
}
.setting-box .pill-group {
  margin-top: 0;
  justify-content: flex-start;
  flex: 1 1 auto;
}

/* 設定ボックス内の対象月/対象年などはインラインで右側に置く */
.setting-box > div {
  display: flex;
  align-items: center;
  gap: 6px;
}
.setting-box > div > label {
  font-size: .75rem;
  color: var(--muted);
}
.setting-box div select {
  width: auto;
  min-width: 130px;
}
.ai-trial-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(330px,1fr));gap:12px}
.ai-trial-card{position:relative;overflow:hidden}
.ai-trial-card h3{margin:0 42px 2px 0}.ai-trial-card h3 small{display:block;color:var(--muted);font-size:.68rem;font-weight:400;word-break:break-all}
.ai-trial-visual{display:flex;align-items:center;gap:8px}.ai-trial-radar{width:180px;max-width:52%;height:auto}.ai-trial-radar text{fill:var(--muted);font-size:9px}
.ai-trial-axes{flex:1;font-size:.7rem}.ai-trial-axes div{display:flex;justify-content:space-between;border-bottom:1px solid rgba(148,163,184,.12);padding:2px 0}.ai-trial-axes b{color:#7dd3fc}
.ai-trial-card p{font-size:.78rem;line-height:1.65;color:var(--muted)}.ai-trial-notes{font-size:.68rem;color:var(--muted);line-height:1.5}.ai-trial-notes a{white-space:nowrap}
.ai-trial-method{margin-top:8px;font-size:.72rem;color:var(--muted)}.ai-trial-method summary{cursor:pointer;color:#7dd3fc}.ai-trial-method[open]{line-height:1.6}
.ai-trial-controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:12px}.ai-trial-controls input{flex:1 1 260px}.ai-trial-controls select{width:auto;min-width:155px}.ai-trial-controls span{font-size:.75rem;color:#7dd3fc}
.ai-trial-last{font-size:.66rem;color:var(--muted);margin-top:3px}.ai-trial-pager{display:flex;justify-content:center;align-items:center;gap:12px;margin:16px 0}.ai-trial-pager span{font-size:.75rem;color:var(--muted)}
.ai-trial-prose h4{margin:10px 0 2px;font-size:.76rem;color:#bae6fd}.ai-trial-prose p{margin:0}
.ai-phase-analysis{margin-top:12px;padding-top:10px;border-top:1px solid rgba(236,172,115,.2)}.ai-phase-analysis h4{margin:8px 0 2px;font-size:.8rem;color:#f1b17e}.ai-phase-analysis h4 small{margin-left:5px;color:var(--muted);font-size:.65rem;font-weight:400}.ai-phase-analysis p{margin:0 0 9px;white-space:pre-wrap}.ai-phase-notes{font-size:.66rem;line-height:1.55;color:var(--muted)}
.personal-ai-trial{margin:8px 0 16px;padding:12px;border:1px solid rgba(56,189,248,.28);border-radius:12px;background:rgba(56,189,248,.04)}.personal-ai-trial .ai-trial-visual{max-width:620px}.personal-ai-trial .ai-trial-prose p{white-space:pre-wrap}
.ai-trial-history{margin-top:10px;border-top:1px solid rgba(148,163,184,.18);padding-top:8px;font-size:.72rem}.ai-trial-history summary{cursor:pointer;color:#7dd3fc}.ai-trial-history-item{margin-top:9px;padding:9px;border-radius:8px;background:rgba(15,23,42,.38)}.ai-trial-history-item>b,.ai-trial-history-item>span{display:block}.ai-trial-history-item>span{color:var(--muted);margin:2px 0 5px}.ai-trial-history-item p{margin:4px 0;white-space:pre-wrap}.ai-trial-history-item .ai-trial-history-reason{color:var(--muted)}.ai-trial-history-item small{color:var(--muted)}
.ai-influence-score{margin:8px 0 12px;padding:10px 12px;border-left:3px solid #f59e0b;background:rgba(245,158,11,.08);border-radius:6px}.ai-influence-score b{font-size:1.65rem;color:#fbbf24}.ai-influence-score span{font-size:.72rem;color:var(--muted)}.ai-influence-score p{margin:4px 0 0;font-size:.74rem;line-height:1.55;color:var(--muted)}
.ai-influence-score .ai-deviation-badge{display:inline-flex;align-items:center;margin-left:10px;padding:3px 8px;border:1px solid rgba(247,183,189,.35);border-radius:999px;color:#ffd2d6;background:rgba(150,66,87,.2);font-size:.75rem;font-weight:600;vertical-align:middle}
.ai-perspectives{margin-top:12px}.ai-perspective-tabs{display:flex;flex-wrap:wrap;gap:5px;padding:5px;border:1px solid var(--border);border-radius:11px;background:rgba(148,163,184,.06)}.ai-perspective-tab{appearance:none;border:0;border-radius:8px;padding:7px 10px;background:transparent;color:var(--muted);font:inherit;font-size:.7rem;font-weight:700;cursor:pointer}.ai-perspective-tab:hover{color:var(--text)}.ai-perspective-tab.is-active{background:var(--accent);color:#fff;box-shadow:0 3px 10px rgba(190,99,93,.18)}.ai-perspective-panel{padding:11px 3px 2px}.ai-perspective-panel[hidden]{display:none}.ai-perspective-panel h4{margin:0 0 5px;font-size:.78rem;color:var(--accent)}.ai-perspective-panel p{margin:0;font-size:.82rem;line-height:1.85;white-space:pre-wrap}
.ai-score-distribution{margin:16px 0 12px;padding:14px 16px 10px;border:1px solid rgba(236,172,115,.24);border-radius:12px;background:rgba(39,18,18,.45)}
.ai-score-distribution-head{display:flex;align-items:baseline;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:4px}.ai-score-distribution-head h3{margin:0;font-size:.9rem}.ai-score-distribution-head span{font-size:.72rem;color:#e8bd91}
.ai-score-distribution-chart{width:100%;min-height:180px}.ai-score-distribution-chart svg{display:block;width:100%;height:auto;max-height:330px;overflow:visible}.ai-score-grid-line{stroke:rgba(231,190,151,.14);stroke-width:1}.ai-score-grid-line-major{stroke:rgba(244,173,123,.24)}.ai-score-axis-label{fill:#cdb49b;font:500 18px "Noto Sans JP",sans-serif}.ai-deviation-axis-label{fill:#f6bbc3;font:600 16px "Noto Sans JP",sans-serif}.ai-score-axis-title{fill:#d9bea3;font:500 16px "Noto Sans JP",sans-serif;letter-spacing:.08em}.ai-score-line,.ai-deviation-line{fill:none;stroke-width:4;stroke-linecap:round;stroke-linejoin:round}.ai-score-line{stroke:#f3a26d;filter:drop-shadow(0 3px 7px rgba(238,130,81,.28))}.ai-deviation-line{stroke:#f4a8b4;stroke-dasharray:9 6;filter:drop-shadow(0 3px 7px rgba(229,112,137,.25))}.ai-score-point{fill:#ffd0a6;stroke:#5a2925;stroke-width:2}.ai-deviation-point{fill:#ffd3da;stroke:#702e43;stroke-width:2}.ai-chart-legend{display:inline-flex;align-items:center;gap:4px;margin-right:9px}.ai-chart-legend::before{content:"";width:18px;border-top:3px solid currentColor}.ai-chart-legend-score{color:#f3a26d}.ai-chart-legend-deviation{color:#f4a8b4}.ai-chart-legend-deviation::before{border-top-style:dashed}.ai-score-distribution-empty{margin:24px 0;text-align:center;color:var(--muted)}
@media(max-width:480px){.ai-trial-grid{grid-template-columns:1fr}.ai-trial-visual{align-items:flex-start}}
/* 2026 autumn sakura theme */
:root {
  --bg: #160d10;
  --bg-soft: #261518;
  --card: rgba(48, 29, 28, .9);
  --card-bg: #30201f;
  --fg: #fff8eb;
  --muted: #d7c4aa;
  --line: rgba(225, 174, 123, .22);
  --accent: #f2a064;
  --accent-soft: rgba(242, 160, 100, .16);
  --border: rgba(235, 184, 130, .28);
  --danger: #ff8e91;
  --rounded-card: 14px;
  --shadow-soft: 0 18px 48px rgba(23, 7, 8, .42), inset 0 1px rgba(255, 247, 229, .04);
  --sakura: #f7b7bd;
}

html { color-scheme: dark; }

body {
  position: relative;
  isolation: isolate;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  background:
    radial-gradient(circle at 14% -8%, rgba(157, 65, 48, .48), transparent 34rem),
    radial-gradient(circle at 92% 8%, rgba(112, 42, 52, .36), transparent 31rem),
    linear-gradient(145deg, #281314 0%, #160d10 48%, #21120f 100%);
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  opacity: .23;
  background-image:
    linear-gradient(30deg, transparent 48%, rgba(255,255,255,.045) 49%, transparent 51%),
    linear-gradient(150deg, transparent 48%, rgba(255,255,255,.032) 49%, transparent 51%);
  background-size: 42px 72px;
}

body::after {
  content: "";
  position: fixed;
  inset: auto 0 0;
  height: 30vh;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(transparent, rgba(77, 33, 20, .24));
}

.wrapper {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  padding-top: 24px;
}

.header {
  position: relative;
  align-items: center !important;
  min-height: 96px;
  margin-bottom: 18px;
  padding: 18px 22px;
  overflow: visible;
  border: 1px solid rgba(247, 190, 144, .25);
  border-radius: 18px 18px 6px 18px;
  background:
    radial-gradient(circle at 88% 12%, rgba(247, 183, 189, .15), transparent 14rem),
    linear-gradient(120deg, rgba(92, 38, 31, .92), rgba(47, 25, 29, .92));
  box-shadow: 0 24px 60px rgba(12, 4, 6, .36), inset 0 1px rgba(255,255,255,.08);
  backdrop-filter: blur(14px);
}

.header::after {
  content: "秋の宵、戦績をひらく";
  position: absolute;
  right: 20px;
  bottom: -10px;
  padding: 3px 12px 5px;
  border: 1px solid rgba(242, 160, 100, .35);
  border-radius: 999px;
  color: #f4cba3;
  background: #2d1717;
  font: 500 .68rem/1.5 "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  letter-spacing: .16em;
}

.title-main {
  color: #fff9ed;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 100;
  letter-spacing: .08em;
  text-shadow: 0 3px 18px rgba(0,0,0,.4);
}

.title-main::first-letter { color: var(--sakura); }
.title-sub { margin-top: 4px; color: #e5caaa; letter-spacing: .12em; }

.tabs {
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 6px;
  margin: 0 0 16px;
  padding: 9px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(31, 17, 18, .88);
  box-shadow: 0 12px 32px rgba(14, 5, 6, .25);
  backdrop-filter: blur(14px);
}

.tab-btn {
  padding: 7px 12px;
  border-radius: 8px;
  color: #d8c1a7;
  font-weight: 500;
  transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
}

.tab-btn:hover { color: #fff8eb; border-color: rgba(242,160,100,.35); transform: translateY(-1px); }
.tab-btn.active { color: #2b1514; background: linear-gradient(135deg, #f4c18e, #efa06c); border-color: transparent; box-shadow: 0 5px 18px rgba(238, 133, 85, .2); }

.card {
  border-color: var(--border);
  background:
    linear-gradient(145deg, rgba(255,255,255,.025), transparent 45%),
    var(--card);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(10px);
}

.card h2,
.card h3,
.legal-card h1,
.legal-card h2 { color: #fff4df; font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; font-weight: 600; letter-spacing: .035em; }

.card h2::before,
.legal-card h2::before { content: "◇"; margin-right: .45em; color: #e88f62; font-size: .7em; }

.card b,
.card strong { color: #f6d09f; font-weight: 600; }

a { color: #f4ad7b; text-underline-offset: 3px; }
a:hover { color: #ffd3b1; }

input[type="text"],
input[type="search"],
select,
textarea {
  border-color: rgba(232, 176, 122, .3);
  color: #fff8eb;
  background: rgba(23, 13, 14, .72);
  box-shadow: inset 0 1px 3px rgba(0,0,0,.2);
}

input:focus,
select:focus,
textarea:focus { outline: 2px solid rgba(244, 173, 123, .45); outline-offset: 2px; border-color: #f4ad7b; }

.btn,
button {
  font-weight: 500;
}

.btn-primary {
  color: #291312;
  border-color: #efad76;
  background: linear-gradient(135deg, #f5c590, #ee9868);
  box-shadow: 0 6px 20px rgba(218, 102, 65, .18);
}

.btn-primary:hover { background: linear-gradient(135deg, #ffd6a8, #f3aa7b); }
.btn-ghost { border-color: rgba(239, 173, 118, .38); color: #e5c8a7; background: rgba(255,255,255,.025); }

.site-footer {
  margin-top: 32px;
  padding: 22px 12px 6px;
  border-color: rgba(230, 170, 114, .25);
  color: #c7ae94;
}

.ai-trial-card,
.support-box,
.setting-box,
.personal-ai-trial { border-color: rgba(236, 172, 115, .24); background-color: rgba(76, 38, 29, .22); }

.ai-trial-axes b,
.ai-trial-method summary,
.ai-trial-controls span,
.ai-trial-prose h4 { color: #f1b17e; }

.seasonal-petals {
  position: fixed;
  inset: 0;
  z-index: 20;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

@media (max-width: 700px) {
  .wrapper { padding-top: 12px; }
  .header { min-height: 82px; padding: 14px 15px 17px; }
  .header::after { right: 10px; font-size: .6rem; }
  .tabs { position: relative; padding: 7px; }
  .tab-btn { padding: 7px 9px; }
  .card { border-radius: 12px; }
}

@media (prefers-reduced-motion: reduce) {
  .seasonal-petals { display: none; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}

/* Fixed three-stage viewport: header / scrollable content / footer */
html,
body {
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

body {
  height: 100dvh;
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
}

.wrapper {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: 100%;
  height: auto;
  min-height: 0;
  padding-bottom: 0;
}

.header {
  z-index: 100;
  margin-bottom: 12px;
}

#headerLoginForm {
  z-index: 210 !important;
  width: min(320px, calc(100vw - 40px));
  min-width: 0 !important;
  max-height: calc(100dvh - 100px);
  overflow-y: auto;
}

.site-content {
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  padding-right: 4px;
}

.site-content > .tabs {
  top: 0;
}

.site-footer {
  position: relative;
  z-index: 21;
  flex-shrink: 0;
  width: 100%;
  margin: 8px auto 0;
  padding: 9px 8px 0;
  background: rgba(28, 15, 16, .82);
  backdrop-filter: blur(10px);
}

@media (max-width: 700px) {
  .wrapper { padding-bottom: 0; }
  .header { margin-bottom: 8px; }
  .site-content { padding-right: 1px; }
  .site-footer {
    gap: 4px 10px;
    margin-top: 6px;
    padding-top: 7px;
    font-size: .7rem;
  }
}
.ai-subtabs{display:flex;gap:8px;margin:0 0 12px;padding:5px;border:1px solid var(--border);border-radius:14px;background:color-mix(in srgb,var(--card) 82%,transparent)}
.ai-subtab{appearance:none;border:0;border-radius:10px;padding:10px 18px;background:transparent;color:var(--muted);font:inherit;font-weight:700;cursor:pointer}
.ai-subtab.is-active{background:var(--accent);color:#fff;box-shadow:0 5px 16px rgba(190,99,93,.2)}
.ai-game-intro p{font-size:.84rem;color:var(--muted);line-height:1.75}.ai-game-intro #aiGameMeta{font-size:.75rem;color:var(--muted)}
.ai-game-controls{display:flex;align-items:center;gap:10px;margin-top:13px}.ai-game-controls input{flex:1;min-width:0}.ai-game-controls span{white-space:nowrap;color:var(--muted);font-size:.78rem}
.ai-game-grid{display:grid;gap:14px}.ai-game-browser{display:grid;grid-template-columns:minmax(250px,31%) minmax(0,1fr);gap:14px;align-items:start}.ai-game-index{display:grid;gap:7px;max-height:calc(100vh - 285px);overflow:auto;padding-right:4px}.ai-game-index-item{display:grid;grid-template-columns:1fr auto;gap:3px 9px;width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:12px;background:color-mix(in srgb,var(--card) 88%,transparent);color:var(--text);font:inherit;text-align:left;cursor:pointer}.ai-game-index-item:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--border))}.ai-game-index-item.is-active{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 12%,var(--card));box-shadow:0 4px 14px rgba(190,99,93,.12)}.ai-game-index-item strong{grid-column:1/-1;font-size:.86rem}.ai-game-index-item span{font-size:.68rem;color:var(--muted)}.ai-game-index-item .ai-game-index-date{color:var(--text);font-weight:700}.ai-game-index-item small{font-size:.65rem;color:var(--muted);text-align:right}.ai-game-detail{min-width:0}.ai-game-card{padding:20px}.ai-game-meta-row{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;padding:0 0 11px;border-bottom:1px solid var(--border);font-size:.76rem;color:var(--muted);font-weight:700}.ai-game-body{display:grid;grid-template-columns:minmax(260px,34%) minmax(0,1fr);gap:18px;margin-top:14px}.ai-game-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.ai-game-card-head h3{margin:4px 0 0;font-size:1.12rem}
.ai-game-participants{margin:0;padding:12px 14px;border-radius:12px;background:rgba(148,163,184,.08)}.ai-game-participants h4{margin:0 0 9px;font-size:.78rem}.ai-game-participants ul{display:grid;gap:7px;margin:0;padding:0;list-style:none}.ai-game-participants li{padding:8px 0;border-bottom:1px solid var(--border);font-size:.76rem;line-height:1.4}.ai-game-participants li:last-child{border-bottom:0}.ai-game-player-head{display:flex;align-items:center;gap:5px;flex-wrap:wrap}.ai-game-player-head>a{font-weight:700}.ai-game-player-head small{margin-right:0}.ai-game-player-head>b{margin-left:auto;color:var(--accent);font-size:.78rem}.ai-game-role{padding:2px 6px;border:1px solid color-mix(in srgb,var(--accent) 40%,var(--border));border-radius:999px;background:color-mix(in srgb,var(--accent) 9%,transparent);color:var(--text);font-size:.62rem;font-weight:700}.ai-game-role.is-unknown{color:var(--muted);border-color:var(--border);background:transparent}.ai-game-player-mvp{padding:2px 5px;border-radius:6px;background:#e98a4d;color:#fff;font-size:.62rem;font-weight:800}.ai-game-participants li p{margin:4px 0 0;color:var(--muted);font-size:.7rem;line-height:1.5}.ai-game-participants small,.ai-game-mvp small,.ai-game-notable small{font-size:.72em;font-weight:500}.ai-game-participants a,.ai-game-mvp a,.ai-game-notable a{text-decoration:none}.ai-game-participants a:hover,.ai-game-mvp a:hover,.ai-game-notable a:hover{text-decoration:underline}
.ai-game-mvp{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:14px 0;padding:14px 16px;border-radius:14px;background:linear-gradient(135deg,rgba(242,160,100,.18),rgba(244,183,194,.12));border:1px solid rgba(242,160,100,.35)}.ai-game-mvp>span{grid-row:1/3;align-self:center;padding:7px 9px;border-radius:9px;background:#e98a4d;color:#fff;font-weight:800;font-size:.75rem}.ai-game-mvp h4,.ai-game-mvp p{margin:0}.ai-game-mvp h4{font-size:1rem}.ai-game-mvp p{font-size:.82rem;line-height:1.65;color:var(--muted)}
.ai-game-analysis{font-size:.9rem;line-height:1.95;white-space:pre-wrap}.ai-game-notable{margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.ai-game-notable h4{margin:0 0 8px}.ai-game-notable ul{display:grid;gap:7px;margin:0;padding:0;list-style:none}.ai-game-notable li{display:grid;grid-template-columns:minmax(80px,auto) 1fr;gap:10px;font-size:.82rem;line-height:1.6}.ai-game-notable li span{color:var(--muted)}
@media(max-width:900px){.ai-game-browser{grid-template-columns:1fr}.ai-game-index{grid-template-columns:repeat(2,minmax(0,1fr));max-height:300px}.ai-game-detail{min-width:0}}@media(max-width:760px){.ai-game-index{grid-template-columns:1fr;max-height:260px}.ai-game-body{grid-template-columns:1fr}.ai-game-participants ul{grid-template-columns:1fr}.ai-game-card-head{display:block}.ai-game-card-head .btn{display:inline-block;margin-top:10px}.ai-game-notable li{grid-template-columns:1fr;gap:2px}.ai-subtab{flex:1;padding:9px 6px}}
