/* ==========================================================================
   ミニゲーム広場 — メインスタイルシート
   テーマ: 「ひだまりゲームガーデン」= 明るい空と木漏れ日の心地よさ
   --------------------------------------------------------------------------
   配色は朝の空と若葉をベースに、コーラル/ミント/はちみつ色を
   やさしい差し色にしている。フォントは見出しにMochiy Pop One、本文にZen Maru
   Gothic、スコア表示にDotGothic16（ピクセル質感）を使用。
   ========================================================================== */

/* ---------- デザイントークン ---------- */
[hidden] { display: none !important; }

:root {
    /* 背景・面 */
    --bg-deep:    #f5faef;
    --bg-deep-2:  #eaf5e4;
    --panel:      #ffffff;
    --panel-2:    #f8fcf5;
    --panel-3:    #e8f3e2;
    --border:     #d3e4cd;
    --border-soft:#e0ecdc;

    /* 文字 */
    --ink:        #234034;
    --ink-muted:  #5f766b;
    --ink-dim:    #8ba097;

    /* 自然を感じる差し色 */
    --primary:    #f47f68;   /* 花びらコーラル */
    --primary-deep:#dc654f;
    --mint:       #48aa7b;
    --gold:       #e9aa3b;
    --violet:     #8d7bc0;
    --sky:        #58a8d2;
    --orange:     #e89447;

    /* 効果 */
    --glow-primary: 0 10px 28px rgba(244, 127, 104, .22);
    --glow-mint:    0 10px 28px rgba(72, 170, 123, .20);
    --glow-gold:    0 10px 28px rgba(233, 170, 59, .20);
    --shadow-card:  0 18px 46px -28px rgba(54, 91, 69, .34);
    --shadow-pop:   0 8px 18px rgba(54, 91, 69, .15);

    --radius:     18px;
    --radius-sm:  12px;
    --radius-lg:  28px;

    --font-display: 'Mochiy Pop One', system-ui, sans-serif;
    --font-body:    'Zen Maru Gothic', system-ui, sans-serif;
    --font-pixel:   'DotGothic16', monospace;

    --container: 1140px;
    --nav-h: 68px;
}

/* ---------- リセット ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background: var(--bg-deep);
    color: var(--ink);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img, picture, svg, canvas { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; padding: 0; }
:focus-visible {
    outline: 3px solid var(--sky);
    outline-offset: 2px;
    border-radius: 4px;
}

/* 朝の空と木漏れ日 */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(900px 520px at 92% 2%, rgba(255, 221, 139, .42), transparent 62%),
        radial-gradient(880px 560px at 4% 8%, rgba(128, 200, 225, .30), transparent 60%),
        radial-gradient(760px 600px at 48% 108%, rgba(119, 184, 111, .20), transparent 64%),
        linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-deep-2) 100%);
}
body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image:
        radial-gradient(22px 12px at 14% 18%, rgba(93, 150, 91, .08), transparent 70%),
        radial-gradient(18px 10px at 72% 27%, rgba(93, 150, 91, .07), transparent 70%),
        radial-gradient(24px 13px at 42% 72%, rgba(93, 150, 91, .06), transparent 70%),
        radial-gradient(16px 9px at 88% 64%, rgba(93, 150, 91, .07), transparent 70%);
    background-repeat: repeat;
    background-size: 480px 480px;
    opacity: .85;
    pointer-events: none;
}

/* ---------- レイアウト ---------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 20px;
}
.page { padding-block: 40px 80px; min-height: calc(100vh - var(--nav-h)); }
.section { margin-block: 56px; }
.stack > * + * { margin-top: 16px; }

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.3rem, 3vw, 1.7rem);
    letter-spacing: .02em;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-title .pip {
    width: 14px; height: 26px; border-radius: 4px;
    background: linear-gradient(180deg, var(--mint), #86c66f);
    box-shadow: var(--glow-mint);
}
.section-sub { color: var(--ink-muted); font-size: .92rem; }

/* ---------- ナビゲーション ---------- */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--nav-h);
    backdrop-filter: blur(18px) saturate(1.15);
    background: rgba(255, 255, 255, .84);
    border-bottom: 1px solid var(--border);
}
.nav-inner {
    height: 100%;
    display: flex;
    align-items: center;
    gap: 18px;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 20px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    font-family: var(--font-display);
    font-size: 1.18rem;
    letter-spacing: .02em;
    white-space: nowrap;
}
.brand-badge {
    width: 38px; height: 38px;
    display: grid; place-items: center;
    border-radius: 11px;
    background: linear-gradient(145deg, #78c779, var(--mint));
    box-shadow: var(--glow-mint);
    font-size: 1.1rem;
    transform: rotate(-6deg);
}
.brand-badge span { transform: rotate(6deg); }
.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}
.nav-link {
    padding: 8px 14px;
    border-radius: 10px;
    color: var(--ink-muted);
    font-weight: 500;
    font-size: .95rem;
    transition: color .15s, background .15s;
}
.nav-link:hover { color: var(--ink); background: rgba(72,170,123,.09); }
.nav-link.is-active { color: #26644a; background: rgba(72,170,123,.14); }
.nav-spacer { flex: 1; }
.nav-actions { display: flex; align-items: center; gap: 10px; }

/* アバター */
.avatar {
    --size: 36px;
    width: var(--size); height: var(--size);
    border-radius: 50%;
    display: grid; place-items: center;
    font-family: var(--font-display);
    font-size: calc(var(--size) * .42);
    color: #14102b;
    flex-shrink: 0;
    box-shadow: inset 0 0 0 2px rgba(255,255,255,.25);
}
.avatar.lg { --size: 84px; }
.avatar.xl { --size: 120px; }
.avatar.sm { --size: 28px; }

.nav-user {
    display: flex; align-items: center; gap: 9px;
    padding: 5px 12px 5px 5px;
    border-radius: 999px;
    background: var(--panel);
    border: 1px solid var(--border);
    cursor: pointer;
    position: relative;
}
.nav-user .name { font-size: .9rem; font-weight: 600; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.nav-user .caret { color: var(--ink-dim); font-size: .7rem; }

/* ドロップダウン */
.dropdown { position: relative; }
.dropdown-menu {
    position: absolute;
    right: 0; top: calc(100% + 10px);
    min-width: 210px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 8px;
    box-shadow: var(--shadow-card);
    opacity: 0; visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .16s, transform .16s, visibility .16s;
}
.dropdown.open .dropdown-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-item {
    display: flex; align-items: center; gap: 10px;
    padding: 9px 12px;
    border-radius: 9px;
    font-size: .92rem;
    color: var(--ink-muted);
    width: 100%;
    background: none; border: none; cursor: pointer;
    text-align: left;
}
.dropdown-item:hover { background: rgba(72,170,123,.09); color: var(--ink); }
.dropdown-sep { height: 1px; background: var(--border); margin: 6px 4px; }
.dropdown-ico { width: 18px; text-align: center; opacity: .85; }

/* ハンバーガー（モバイル） */
.nav-toggle {
    display: none;
    width: 42px; height: 42px;
    border-radius: 10px;
    background: var(--panel);
    border: 1px solid var(--border);
    cursor: pointer;
    place-items: center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
    content: ""; display: block;
    width: 18px; height: 2px; border-radius: 2px;
    background: var(--ink);
    position: relative;
    transition: transform .2s;
}
.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after  { position: absolute; top: 6px; }

/* ---------- ボタン ---------- */
.btn {
    --btn-bg: var(--panel-2);
    --btn-fg: var(--ink);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
    background: var(--btn-bg);
    color: var(--btn-fg);
    font-weight: 700;
    font-size: .95rem;
    cursor: pointer;
    transition: transform .12s, box-shadow .12s, filter .12s, background .15s;
    white-space: nowrap;
    user-select: none;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.btn-primary {
    --btn-bg: linear-gradient(135deg, var(--primary), var(--primary-deep));
    --btn-fg: #fff;
    border-color: transparent;
    box-shadow: var(--glow-primary);
}
.btn-mint {
    --btn-bg: linear-gradient(135deg, var(--mint), #1fc4ac);
    --btn-fg: #06241f;
    border-color: transparent;
    box-shadow: var(--glow-mint);
}
.btn-gold {
    --btn-bg: linear-gradient(135deg, var(--gold), #f0b400);
    --btn-fg: #3a2a00;
    border-color: transparent;
    box-shadow: var(--glow-gold);
}
.btn-ghost { --btn-bg: transparent; }
.btn-ghost:hover { background: rgba(72,170,123,.09); }
.btn-danger { --btn-bg: transparent; --btn-fg: #ff8095; border-color: rgba(255,94,125,.4); }
.btn-danger:hover { background: rgba(255,94,125,.12); }
.btn-sm { padding: 7px 13px; font-size: .85rem; border-radius: 10px; }
.btn-lg { padding: 15px 30px; font-size: 1.05rem; border-radius: 14px; }
.btn-block { width: 100%; }
.btn-icon { padding: 9px; aspect-ratio: 1; }

/* ---------- カード/パネル ---------- */
.panel {
    background: linear-gradient(180deg, rgba(255,255,255,.98), var(--panel-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-card);
}
.panel-pad { padding: 24px; }
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 22px;
}

/* バッジ/タグ */
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 11px;
    border-radius: 999px;
    font-size: .76rem;
    font-weight: 700;
    background: rgba(72,170,123,.07);
    border: 1px solid var(--border);
    color: var(--ink-muted);
    letter-spacing: .02em;
}
.badge-dot::before {
    content: ""; width: 7px; height: 7px; border-radius: 50%;
    background: currentColor;
}
.badge-gold  { color: var(--gold);  border-color: rgba(255,207,69,.35);  background: rgba(255,207,69,.10); }
.badge-mint  { color: var(--mint);  border-color: rgba(62,224,200,.35);  background: rgba(62,224,200,.10); }
.badge-pink  { color: var(--primary); border-color: rgba(255,94,125,.35); background: rgba(255,94,125,.10); }
.badge-sky   { color: var(--sky);   border-color: rgba(94,200,255,.35);  background: rgba(94,200,255,.10); }
.badge-admin { color: var(--gold);  border-color: rgba(255,207,69,.45);  background: rgba(255,207,69,.12); }

/* ---------- フラッシュメッセージ ---------- */
.flash-stack {
    position: fixed;
    top: calc(var(--nav-h) + 14px);
    right: 20px;
    z-index: 200;
    display: flex; flex-direction: column; gap: 10px;
    max-width: min(380px, calc(100vw - 40px));
}
.flash {
    display: flex; align-items: flex-start; gap: 11px;
    padding: 13px 16px;
    border-radius: 13px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    animation: flash-in .35s cubic-bezier(.2,.9,.3,1.3) both;
    font-size: .92rem;
}
.flash .ico { font-size: 1.05rem; line-height: 1.4; }
.flash-success { border-left: 4px solid var(--mint); }
.flash-success .ico { color: var(--mint); }
.flash-error { border-left: 4px solid var(--primary); }
.flash-error .ico { color: var(--primary); }
.flash-close { margin-left: auto; background: none; border: none; color: var(--ink-dim); cursor: pointer; font-size: 1.1rem; }
@keyframes flash-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

/* ---------- フッター ---------- */
.footer {
    border-top: 1px solid var(--border);
    background: rgba(239, 247, 234, .82);
    padding-block: 40px;
    margin-top: 60px;
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.footer .brand { font-size: 1rem; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a { color: var(--ink-muted); font-size: .9rem; }
.footer-links a:hover { color: var(--ink); }
.footer-copy { color: var(--ink-dim); font-size: .82rem; width: 100%; }

/* ==========================================================================
   ヒーロー（トップページ） — 看板ゲームのキャラが走るパララックス
   ========================================================================== */
.hero {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    background:
        radial-gradient(circle at 88% 12%, rgba(255, 238, 177, .95) 0 7%, transparent 28%),
        linear-gradient(155deg, #eefaf4 0%, #dceff4 52%, #dcefd3 100%);
    box-shadow: var(--shadow-card);
    margin-top: 24px;
}
.hero-content {
    position: relative;
    z-index: 3;
    padding: clamp(28px, 5vw, 56px);
    max-width: 640px;
    background: linear-gradient(90deg, rgba(255,255,255,.88) 0%, rgba(255,255,255,.62) 74%, transparent 100%);
}
.hero-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--font-pixel);
    font-size: .8rem;
    color: #b27618;
    letter-spacing: .12em;
    margin-bottom: 16px;
    text-transform: uppercase;
}
.hero-eyebrow .blink { animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(2.1rem, 6vw, 3.4rem);
    line-height: 1.18;
    letter-spacing: .01em;
    margin-bottom: 16px;
    text-shadow: 0 3px 24px rgba(255,255,255,.7);
}
.hero h1 .hl {
    background: linear-gradient(120deg, var(--primary), var(--gold) 70%);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero p.lead {
    color: var(--ink-muted);
    font-size: clamp(1rem, 2.4vw, 1.15rem);
    margin-bottom: 28px;
    max-width: 50ch;
}
.hero-cta { display: flex; gap: 13px; flex-wrap: wrap; }

/* パララックスの舞台 */
.hero-stage {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
}
.layer { position: absolute; left: 0; bottom: 0; width: 100%; will-change: transform; }

/* 遠景の丘 */
.hill {
    position: absolute; bottom: 0;
    height: 46%;
    width: 130%;
    border-radius: 50% 50% 0 0 / 100% 100% 0 0;
    opacity: .55;
}
.hill-1 { background: #86bd75; bottom: 0; left: -8%; height: 38%; animation: drift 26s linear infinite; }
.hill-2 { background: #b4d89c; bottom: 0; left: -18%; height: 30%; opacity: .72; animation: drift 38s linear infinite reverse; }
@keyframes drift { from { transform: translateX(0); } to { transform: translateX(-12%); } }

/* 浮遊コイン */
.coin-float {
    position: absolute;
    width: 22px; height: 22px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #fff3c4, var(--gold) 60%, #d99b00);
    box-shadow: var(--glow-gold);
    z-index: 2;
    animation: bob 3s ease-in-out infinite;
}
.coin-float::after {
    content: "¥"; position: absolute; inset: 0;
    display: grid; place-items: center;
    color: #9a6b00; font-weight: 900; font-size: .7rem;
}
@keyframes bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-14px); } }

/* 地面 */
.hero-ground {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 64px;
    z-index: 2;
    background:
        linear-gradient(180deg, #6ebd68 0 14px, #8a6f49 14px 100%),
        repeating-linear-gradient(90deg, rgba(255,255,255,.12) 0 28px, transparent 28px 56px);
    opacity: .96;
    box-shadow: 0 -8px 24px rgba(83,145,77,.20);
}
.hero-ground::before {
    content: "";
    position: absolute; top: -6px; left: 0; right: 0; height: 6px;
    background-color: #72bd64;
    animation: ground-scroll .5s linear infinite;
    background-image: repeating-linear-gradient(90deg, #d7efb4 0 20px, transparent 20px 40px);
}
@keyframes ground-scroll { from { background-position: 0 0; } to { background-position: 40px 0; } }

/* 走るキャラ（CSSのみのマスコット） */
.runner {
    position: absolute;
    left: 12%;
    bottom: 52px;
    width: 56px; height: 64px;
    z-index: 3;
    animation: hop 0.62s cubic-bezier(.3,0,.4,1) infinite;
}
.runner .body {
    position: absolute; bottom: 0; left: 6px;
    width: 42px; height: 42px;
    border-radius: 14px 14px 12px 12px;
    background: linear-gradient(160deg, var(--mint), #1fc4ac);
    box-shadow: var(--glow-mint), inset 0 -6px 0 rgba(0,0,0,.12);
}
.runner .body::before { /* 目 */
    content: ""; position: absolute; top: 13px; right: 9px;
    width: 8px; height: 8px; border-radius: 50%;
    background: #06241f;
    box-shadow: 0 0 0 3px #fff, 12px 0 0 -2px #06241f;
}
.runner .cheek {
    position: absolute; top: 24px; right: 6px;
    width: 7px; height: 5px; border-radius: 50%;
    background: var(--primary); opacity: .7;
}
.runner .leg {
    position: absolute; bottom: -6px;
    width: 9px; height: 14px; border-radius: 5px;
    background: #2f8d69;
}
.runner .leg.l { left: 14px; animation: stride .31s linear infinite; }
.runner .leg.r { left: 28px; animation: stride .31s linear infinite .155s; }
.runner .scarf {
    position: absolute; top: 16px; left: -2px;
    width: 16px; height: 8px; border-radius: 4px;
    background: var(--primary);
    transform-origin: right center;
    animation: flap .31s ease-in-out infinite alternate;
}
@keyframes hop { 0%,100% { transform: translateY(0); } 38% { transform: translateY(-22px); } 55% { transform: translateY(-22px); } }
@keyframes stride { 0%,100% { transform: rotate(22deg); } 50% { transform: rotate(-22deg); } }
@keyframes flap { from { transform: rotate(0); width: 16px; } to { transform: rotate(-12deg); width: 22px; } }

/* 障害物（流れてくる） */
.obstacle {
    position: absolute;
    bottom: 52px;
    width: 26px; height: 34px;
    border-radius: 6px 6px 4px 4px;
    background: linear-gradient(160deg, var(--violet), #6f4fd6);
    z-index: 3;
    box-shadow: 0 0 16px rgba(154,123,255,.45);
    animation: incoming 2.4s linear infinite;
}
.obstacle::before {
    content: ""; position: absolute; inset: 6px 7px auto 7px; height: 4px;
    border-radius: 2px; background: rgba(255,255,255,.4);
}
.obstacle.o2 { animation-delay: 1.2s; height: 26px; background: linear-gradient(160deg, var(--sky), #2f9fdb); box-shadow: 0 0 16px rgba(94,200,255,.45); }
@keyframes incoming {
    from { transform: translateX(110%); }
    to   { transform: translateX(-260px); }
}

/* 統計ストリップ */
.stat-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 26px;
}
.stat {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.stat .num {
    font-family: var(--font-pixel);
    font-size: clamp(1.5rem, 4vw, 2.1rem);
    color: var(--gold);
    line-height: 1.1;
    text-shadow: var(--glow-gold);
}
.stat .lbl { color: var(--ink-muted); font-size: .82rem; margin-top: 4px; }
.stat:nth-child(2) .num { color: var(--mint); text-shadow: var(--glow-mint); }
.stat:nth-child(3) .num { color: var(--primary); text-shadow: var(--glow-primary); }

/* ==========================================================================
   ゲームカード — アーケード筐体 / チケット風
   ========================================================================== */
.game-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .18s, box-shadow .18s, border-color .18s;
    box-shadow: var(--shadow-card);
}
.game-card:hover {
    transform: translateY(-6px);
    border-color: color-mix(in srgb, var(--card-accent, var(--primary)) 60%, var(--border));
    box-shadow: 0 26px 54px -30px rgba(54,91,69,.52), 0 0 0 1px color-mix(in srgb, var(--card-accent, var(--primary)) 32%, transparent);
}
.game-card-art {
    position: relative;
    aspect-ratio: 16 / 10;
    background:
        radial-gradient(120% 120% at 50% 0%, color-mix(in srgb, var(--card-accent, var(--primary)) 28%, transparent), transparent 62%),
        linear-gradient(160deg, #f5fbf0, #e0f0da);
    display: grid;
    place-items: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border);
}
/* アートのスキャンライン質感 */
.game-card-art::after {
    content: "";
    position: absolute; inset: 0;
    background: repeating-linear-gradient(0deg, rgba(255,255,255,0) 0 3px, rgba(72,108,80,.045) 3px 4px);
    mix-blend-mode: overlay;
    opacity: .5;
}
.game-card-emoji {
    font-size: clamp(3rem, 8vw, 4.6rem);
    filter: drop-shadow(0 8px 16px rgba(0,0,0,.4));
    transition: transform .25s;
    z-index: 1;
}
.game-card:hover .game-card-emoji { transform: scale(1.12) rotate(-4deg); }
.game-card-cat {
    position: absolute; top: 12px; left: 12px; z-index: 2;
}
.game-card-play {
    position: absolute; right: 12px; bottom: 12px; z-index: 2;
    width: 46px; height: 46px; border-radius: 50%;
    display: grid; place-items: center;
    background: color-mix(in srgb, var(--card-accent, var(--primary)) 88%, #000);
    color: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,.4);
    transform: translateY(8px); opacity: 0;
    transition: transform .2s, opacity .2s;
    font-size: 1.05rem;
}
.game-card:hover .game-card-play { transform: translateY(0); opacity: 1; }
.game-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.game-card-title {
    font-family: var(--font-display);
    font-size: 1.12rem;
    letter-spacing: .01em;
}
.game-card-desc {
    color: var(--ink-muted);
    font-size: .86rem;
    line-height: 1.55;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.game-card-foot {
    display: flex; align-items: center; justify-content: space-between;
    margin-top: auto; padding-top: 10px;
    border-top: 1px dashed var(--border);
    font-size: .8rem; color: var(--ink-dim);
}
.game-card-foot .plays { display: inline-flex; align-items: center; gap: 5px; }
.game-card.is-off { opacity: .55; filter: saturate(.5); }

/* ノッチ（チケットの切り込み） */
.game-card::before, .game-card::after {
    content: ""; position: absolute;
    width: 18px; height: 18px; border-radius: 50%;
    background: var(--bg-deep);
    top: calc(62.5% - 9px); /* アート下端あたり */
    z-index: 3;
}
.game-card::before { left: -9px; }
.game-card::after { right: -9px; }

/* ==========================================================================
   ランキング表
   ========================================================================== */
.ranking {
    background: linear-gradient(180deg, var(--panel), var(--panel-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.rank-row {
    display: grid;
    grid-template-columns: 56px 1fr auto;
    align-items: center;
    gap: 12px;
    padding: 12px 18px;
    border-bottom: 1px solid var(--border-soft);
    transition: background .15s;
}
.rank-row:last-child { border-bottom: none; }
.rank-row:hover { background: rgba(72,170,123,.06); }
.rank-pos {
    font-family: var(--font-pixel);
    font-size: 1.05rem;
    color: var(--ink-dim);
    text-align: center;
}
.rank-row.top-1 { background: linear-gradient(90deg, rgba(255,207,69,.14), transparent); }
.rank-row.top-2 { background: linear-gradient(90deg, rgba(197,210,230,.10), transparent); }
.rank-row.top-3 { background: linear-gradient(90deg, rgba(205,127,80,.10), transparent); }
.rank-medal { font-size: 1.4rem; }
.top-1 .rank-pos { color: var(--gold); }
.rank-user { display: flex; align-items: center; gap: 11px; min-width: 0; }
.rank-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-name small { color: var(--ink-dim); font-weight: 400; font-size: .78rem; }
.rank-score {
    font-family: var(--font-pixel);
    font-size: 1.05rem;
    color: var(--mint);
    text-align: right;
}
.rank-score small { color: var(--ink-dim); font-size: .68rem; font-family: var(--font-body); margin-left: 3px; }
.rank-empty { padding: 40px 20px; text-align: center; color: var(--ink-dim); }
.rank-me { box-shadow: inset 3px 0 0 var(--sky); }

/* 活動フィード */
.feed { display: flex; flex-direction: column; gap: 2px; }
.feed-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 14px;
    border-radius: 12px;
    transition: background .15s;
}
.feed-item:hover { background: rgba(72,170,123,.06); }
.feed-text { font-size: .9rem; flex: 1; min-width: 0; }
.feed-text b { font-weight: 700; }
.feed-text .g { color: var(--ink-muted); }
.feed-score { font-family: var(--font-pixel); color: var(--gold); font-size: .92rem; white-space: nowrap; }
.feed-time { color: var(--ink-dim); font-size: .76rem; white-space: nowrap; }

/* 2カラムレイアウト */
.split { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; align-items: start; }

/* ==========================================================================
   フォーム
   ========================================================================== */
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; margin-bottom: 7px; color: var(--ink); }
.field .hint { font-size: .78rem; color: var(--ink-dim); margin-top: 6px; }
.input, .textarea, .select {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--ink);
    transition: border-color .15s, box-shadow .15s;
    font-size: .96rem;
}
.input::placeholder, .textarea::placeholder { color: var(--ink-dim); }
.input:focus, .textarea:focus, .select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255,94,125,.18);
}
.textarea { resize: vertical; min-height: 96px; font-family: inherit; }
.field.has-error .input, .field.has-error .textarea { border-color: var(--primary); }
.field-error { color: #ff8095; font-size: .82rem; margin-top: 6px; display: flex; align-items: center; gap: 5px; }

/* チェック/スイッチ */
.switch { display: inline-flex; align-items: center; gap: 12px; cursor: pointer; }
.switch input { display: none; }
.switch .track {
    width: 46px; height: 26px; border-radius: 999px;
    background: var(--panel-3); border: 1px solid var(--border);
    position: relative; transition: background .2s;
}
.switch .track::after {
    content: ""; position: absolute; top: 2px; left: 2px;
    width: 20px; height: 20px; border-radius: 50%;
    background: var(--ink-muted); transition: transform .2s, background .2s;
}
.switch input:checked + .track { background: linear-gradient(135deg, var(--mint), #1fc4ac); border-color: transparent; }
.switch input:checked + .track::after { transform: translateX(20px); background: #06241f; }

/* 認証ページのカラーパレット選択 */
.color-pick { display: flex; gap: 10px; flex-wrap: wrap; }
.color-pick input { display: none; }
.color-pick label {
    width: 38px; height: 38px; border-radius: 50%;
    cursor: pointer; position: relative;
    box-shadow: inset 0 0 0 2px rgba(255,255,255,.2);
    transition: transform .12s;
}
.color-pick label:hover { transform: scale(1.12); }
.color-pick input:checked + label {
    box-shadow: inset 0 0 0 2px rgba(255,255,255,.2), 0 0 0 3px var(--ink);
    transform: scale(1.12);
}
.color-pick input:checked + label::after {
    content: "✓"; position: absolute; inset: 0;
    display: grid; place-items: center; color: #14102b; font-weight: 900;
}

/* ---------- ユーティリティ ---------- */
.text-muted { color: var(--ink-muted); }
.text-dim { color: var(--ink-dim); }
.text-center { text-align: center; }
.text-pixel { font-family: var(--font-pixel); }
.mt-0 { margin-top: 0; } .mt-1 { margin-top: 8px; } .mt-2 { margin-top: 16px; } .mt-3 { margin-top: 24px; } .mt-4 { margin-top: 32px; }
.mb-2 { margin-bottom: 16px; } .mb-3 { margin-bottom: 24px; }
.flex { display: flex; } .items-center { align-items: center; } .justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; } .gap-2 { gap: 16px; } .wrap { flex-wrap: wrap; }
.hidden { display: none !important; }
.divider { height: 1px; background: var(--border); margin: 22px 0; border: none; }
.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--ink-muted);
}
.empty-state .ico { font-size: 3rem; margin-bottom: 12px; opacity: .8; }
.empty-state h3 { font-family: var(--font-display); margin-bottom: 6px; color: var(--ink); }

/* ============================================================
   プレイ画面（ゲームホスト）
   ============================================================ */
.play-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 22px;
    margin-top: 16px;
    align-items: start;
}
.play-main { display: flex; flex-direction: column; gap: 16px; min-width: 0; }

.play-titlebar {
    --card-accent: var(--primary);
    display: flex; align-items: center; justify-content: space-between;
    gap: 14px;
    background: linear-gradient(135deg, var(--panel-2), var(--panel));
    border: 1px solid var(--border);
    border-left: 4px solid var(--card-accent);
    border-radius: 16px;
    padding: 16px 20px;
    box-shadow: var(--shadow-soft, 0 10px 30px rgba(0,0,0,.25));
}
.play-title { display: flex; align-items: center; gap: 14px; min-width: 0; }
.play-title h1 {
    font-family: var(--font-display);
    font-size: clamp(1.15rem, 3.5vw, 1.6rem);
    line-height: 1.15; color: var(--ink);
    overflow-wrap: anywhere;
}
.play-emoji {
    flex: none;
    width: 56px; height: 56px;
    display: grid; place-items: center;
    font-size: 1.9rem;
    border-radius: 14px;
    background:
        radial-gradient(circle at 30% 25%, color-mix(in srgb, var(--card-accent) 38%, transparent), transparent 70%),
        var(--panel-3);
    border: 1px solid color-mix(in srgb, var(--card-accent) 45%, var(--border));
    box-shadow: inset 0 0 18px color-mix(in srgb, var(--card-accent) 22%, transparent);
}

.play-guest-note {
    display: flex; align-items: flex-start; gap: 12px;
    background: color-mix(in srgb, var(--gold) 12%, var(--panel));
    border: 1px solid color-mix(in srgb, var(--gold) 38%, var(--border));
    border-radius: 14px;
    padding: 13px 16px;
    color: var(--ink-muted);
    font-size: .92rem;
}
.play-guest-note span { font-size: 1.15rem; line-height: 1.2; flex: none; }
.play-guest-note a { color: var(--gold); font-weight: 700; }
.play-guest-note a:hover { text-decoration: underline; }

.play-stage {
    position: relative;
    background:
        radial-gradient(ellipse at 50% 0%, color-mix(in srgb, var(--sky) 14%, transparent), transparent 60%),
        #edf6e9;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 14px;
    min-height: 360px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    box-shadow: inset 0 0 48px rgba(77,125,89,.08), var(--shadow-card);
}

/* サイドパネル */
.play-side {
    position: sticky; top: calc(var(--nav-h) + 16px);
    display: flex; flex-direction: column;
    align-self: start;
}
.play-stat-card { display: flex; gap: 10px; margin-bottom: 18px; }
.play-stat {
    flex: 1;
    display: flex; flex-direction: column; gap: 4px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 14px;
}
.play-stat .lbl { font-size: .72rem; color: var(--ink-dim); letter-spacing: .04em; }
.play-stat .val { font-family: var(--font-score); font-size: 1.35rem; line-height: 1; }

/* 操作方法 */
.controls-list { display: flex; flex-direction: column; gap: 8px; }
.control-row { display: flex; align-items: center; gap: 12px; font-size: .9rem; color: var(--ink-muted); }
.control-row kbd {
    flex: none; min-width: 58px; text-align: center;
    font-family: var(--font-score); font-size: .78rem;
    color: var(--ink);
    background: linear-gradient(180deg, var(--panel-3), var(--panel-2));
    border: 1px solid var(--border);
    border-bottom-width: 3px;
    border-radius: 8px;
    padding: 6px 8px;
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1024px) {
    .play-layout { grid-template-columns: 1fr; }
    .play-side { position: static; }
    .play-stat-card { max-width: 420px; }
}
@media (max-width: 1024px) {
    /*
     * スマホ・タブレットではゲーム領域だけを画面端まで広げる。
     * 100vw は縦スクロールバーの幅まで含む環境があり、右端が見切れるため、
     * コンテナの左右余白ぶんを正確に広げる。
     */
    .play-page .play-stage {
        width: calc(100% + 40px);
        min-height: clamp(430px, 72svh, 820px);
        margin-inline: -20px;
        padding: 0;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
    .play-page .play-stage > * {
        width: 100%;
        max-width: none;
    }
    .sora-room-page.container,
    .jr-room-page.container,
    .mb-page.container,
    .cc-page.container,
    .tg-page.container {
        width: 100%;
        max-width: none;
        padding-inline: clamp(5px, 1.5vw, 12px);
    }
}
@media (max-width: 900px) {
    .split { grid-template-columns: 1fr; }
    .stat-strip { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
    :root { --nav-h: 60px; }
    html { font-size: 17px; }
    .container { padding-inline: 14px; }
    .nav-links { display: none; }
    .nav-toggle { display: grid; }
    .nav-links.open {
        display: flex; flex-direction: column;
        position: absolute; top: var(--nav-h); left: 0; right: 0;
        background: var(--panel-2);
        border-bottom: 1px solid var(--border);
        padding: 12px; gap: 4px;
        margin-left: 0;
    }
    .nav-links.open .nav-link { width: 100%; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; }
    .stat-strip { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; align-items: flex-start; }
    .runner, .obstacle { transform: scale(.8); }

    /* ゲームはスマホの横幅を余白で縮めず、画面いっぱいに表示する。 */
    .play-page .play-stage {
        width: calc(100% + 28px);
        min-height: max(500px, 76svh);
        margin-inline: -14px;
        padding: 0;
        border: 0;
        border-radius: 0;
        box-shadow: none;
    }
    .play-page .play-stage > * {
        width: 100%;
        max-width: none;
    }
    .play-page .play-stage canvas {
        border-radius: 0;
    }
}

/* ---------- アクセシビリティ: モーション軽減 ---------- */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }
    .runner { animation: none; }
    .hero-ground::before { animation: none; }
}

/* ============================================================
   プロフィール（マイページ / 公開）
   ============================================================ */
.profile-head { display: flex; gap: 24px; align-items: center; }
.profile-id { min-width: 0; flex: 1; }
.profile-name-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.profile-name-row h1 { font-family: var(--font-display); font-size: 1.7rem; line-height: 1.1; overflow-wrap: anywhere; }
.profile-handle { color: var(--ink-muted); font-size: .95rem; margin-top: 2px; }
.profile-meta { color: var(--ink-dim); font-size: .85rem; margin-top: 8px; }
.profile-bio { margin-top: 12px; color: var(--ink-muted); font-size: .92rem; line-height: 1.7; }
.profile-links { margin-top: 14px; }

.profile-stats {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
    margin-top: 18px;
}
.pstat {
    background: linear-gradient(135deg, var(--panel-2), var(--panel));
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px 16px;
    text-align: center;
    display: flex; flex-direction: column; gap: 4px;
}
.pstat-num { font-family: var(--font-pixel); font-size: 1.8rem; line-height: 1; color: var(--mint); }
.pstat-lbl { font-size: .78rem; color: var(--ink-muted); }

.record-list { display: flex; flex-direction: column; gap: 10px; }
.record-card {
    --card-accent: var(--primary);
    display: flex; align-items: center; gap: 16px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-left: 4px solid var(--card-accent);
    border-radius: 12px;
    padding: 14px 18px;
    transition: transform .12s, border-color .12s;
}
.record-card:hover { transform: translateX(3px); }
.record-main { flex: 1; min-width: 0; }
.record-name {
    font-family: var(--font-display); font-size: 1.05rem; color: var(--ink);
    display: inline-block;
}
.record-name:hover { color: var(--card-accent); }
.record-sub { font-size: .8rem; margin-top: 3px; }
.record-score { text-align: right; line-height: 1.1; flex: none; }
.record-best { display: block; font-family: var(--font-pixel); font-size: 1.25rem; color: var(--gold); }
.record-label { font-size: .72rem; color: var(--ink-dim); }

@media (max-width: 620px) {
    .profile-head { flex-direction: column; text-align: center; gap: 16px; }
    .profile-name-row { justify-content: center; }
    .profile-stats { grid-template-columns: 1fr; }
    .record-card { gap: 10px; padding: 12px 14px; }
}

/* ---------- ページネーション ---------- */
.pager { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 22px; }
.pager-info { font-family: var(--font-pixel); color: var(--ink-muted); font-size: .85rem; }

/* ---------- サイトお知らせバー ---------- */
.site-notice {
    display: flex; align-items: center; gap: 14px;
    background: linear-gradient(135deg, rgba(88,168,210,.12), rgba(112,185,111,.12));
    border: 1px solid rgba(88,168,210,.28);
    border-radius: 14px;
    padding: 14px 18px;
    margin-bottom: 22px;
}
.site-notice .ico { font-size: 1.3rem; flex: none; }
.site-notice .txt { font-size: .92rem; color: var(--ink); line-height: 1.6; }

/* ---------- ヘッダの接続人数バッジ ---------- */
.nav-online {
    display: inline-flex; align-items: center; gap: 6px;
    flex: none;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(72, 170, 123, .10);
    border: 1px solid rgba(72, 170, 123, .30);
    font-family: var(--font-pixel);
    font-size: .8rem;
    color: var(--mint);
    cursor: default;
    user-select: none;
}
.nav-online-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--mint);
    box-shadow: 0 0 8px rgba(72, 170, 123, .55);
    animation: online-pulse 2.4s ease infinite;
}
.nav-online-label {
    font-family: var(--font-pixel);
    font-size: .62rem;
    letter-spacing: .08em;
    color: var(--ink-muted);
}
.nav-online.is-stale { opacity: .58; }
.nav-online.is-stale .nav-online-dot {
    background: var(--ink-dim);
    box-shadow: none;
    animation: none;
}
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}
@keyframes online-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .45; } }
@media (prefers-reduced-motion: reduce) { .nav-online-dot { animation: none; } }
@media (max-width: 1050px) {
    .nav-inner { gap: 12px; }
    .nav-link { padding-inline: 10px; }
    .nav-online { padding-inline: 9px; }
    .nav-online-label { display: none; }
}

/* ---------- トップページ: みんなであそぶ ---------- */
.home-social {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.home-social-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 22px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: rgba(255,255,255,.88);
    color: var(--ink);
    text-decoration: none;
    transition: transform .14s, border-color .14s, box-shadow .14s;
}
.home-social-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-card); background: #fff; }
.home-social-card.jinro:hover { border-color: var(--violet); }
.home-social-card.plaza:hover { border-color: var(--mint); }
.home-social-card.sora:hover { border-color: var(--gold); }
.home-social-card.medal:hover { border-color: var(--sky); }
.home-social-card.moji:hover { border-color: var(--coral); }
.home-social-card.chaos:hover { border-color: #6f62c3; }
.home-social-card.tetris:hover { border-color: #31a9c7; }
.home-social-card .hs-ico {
    font-size: 2.6rem;
    flex: none;
    filter: drop-shadow(0 4px 10px rgba(0, 0, 0, .35));
}
.home-social-card .hs-body { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 0; }
.home-social-card .hs-title { font-family: var(--font-display); font-size: 1.15rem; }
.home-social-card .hs-sub { font-size: .84rem; color: var(--ink-muted); line-height: 1.5; }
.home-social-card .hs-go {
    flex: none;
    font-size: .85rem;
    font-weight: 700;
    color: var(--ink-dim);
}
.home-social-card.jinro:hover .hs-go { color: var(--violet); }
.home-social-card.plaza:hover .hs-go { color: var(--mint); }
.home-social-card.sora:hover .hs-go { color: var(--gold); }
.home-social-card.medal:hover .hs-go { color: var(--sky); }
.home-social-card.moji:hover .hs-go { color: var(--coral); }
.home-social-card.chaos:hover .hs-go { color: #6f62c3; }
.home-social-card.tetris:hover .hs-go { color: #238ca7; }
@media (max-width: 640px) {
    .home-social { grid-template-columns: 1fr; }
    .home-social-card .hs-go { display: none; }
}
/* 未ログインのマルチプレイ参加者に、名前と記録対象外であることを明示する。 */
.multiplayer-guest-note {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0 0 16px;
    padding: 12px 14px;
    border: 1px solid rgba(255, 207, 69, .42);
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 207, 69, .12), rgba(94, 200, 255, .09));
}
.multiplayer-guest-badge {
    flex: none;
    padding: 4px 8px;
    border-radius: 999px;
    background: #ffcf45;
    color: #241b3f;
    font-size: .68rem;
    font-weight: 900;
    letter-spacing: .08em;
}
.multiplayer-guest-note div { min-width: 0; flex: 1; }
.multiplayer-guest-note strong { display: block; color: var(--ink, #f4f1ff); }
.multiplayer-guest-note p { margin: 2px 0 0; color: var(--ink-muted, #a59fd6); font-size: .82rem; }
.multiplayer-guest-note a { flex: none; color: var(--gold, #ffcf45); font-size: .82rem; font-weight: 800; }
@media (max-width: 640px) {
    .multiplayer-guest-note { align-items: flex-start; flex-wrap: wrap; }
    .multiplayer-guest-note a { width: 100%; padding-left: 0; }
}