@import url('https://fonts.googleapis.com/css2?family=Zen+Maru+Gothic:wght@400;500&display=swap');

    /* =====================
       CSS変数・基本設定
    ===================== */
    :root {
      --color-bg: #faf8f5;
      --color-text: #2e2a25;
      --color-text-muted: #7a736a;
      --color-accent: #C47A3A;
      --color-accent-light: #e8c4a0;
      --color-border: #e8e2d9;
      --color-white: #ffffff;
      --font-serif: 'Zen Maru Gothic', sans-serif;
      --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", YuGothic, "Yu Gothic", Meiryo, sans-serif;
    }

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

    html, body {
      background: var(--color-bg);
      color: var(--color-text);
      font-family: var(--font-sans);
      font-weight: 300;
      line-height: 1.8;
      margin: 0;
      padding: 0;
    }

    /* =====================
       セクション1：ファーストビュー
    ===================== */
    .hero-section {
      position: relative;
      width: 100%;
      height: 100svh;
      min-height: 500px;
      overflow: hidden;
      display: flex;
      align-items: center;
    }

    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center center;
    }

    .hero-bg--pc { display: block; }
    .hero-bg--sp { display: none; }

    /* PC版オーバーレイ */
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to right,
        rgba(20, 15, 10, 0.52) 0%,
        rgba(20, 15, 10, 0.28) 55%,
        rgba(20, 15, 10, 0.08) 100%
      );
    }

    /* スマホ版オーバーレイ */
    .hero-overlay--sp {
      display: none;
      position: absolute;
      inset: 0;
      background: linear-gradient(
        to bottom,
        rgba(20, 15, 10, 0.15) 0%,
        rgba(20, 15, 10, 0.55) 70%,
        rgba(20, 15, 10, 0.65) 100%
      );
    }

    /* 下端フェード */
    .hero-section::after {
      content: '';
      position: absolute;
      bottom: 0; left: 0; right: 0;
      height: 130px;
      background: linear-gradient(to bottom, transparent, var(--color-bg));
      z-index: 1;
      pointer-events: none;
    }

    /* コピーエリア */
    .hero-content {
      position: relative;
      z-index: 2;
      padding: 0 5vw;
      max-width: 560px;
    }

    .hero-main-copy {
      font-family: var(--font-serif);
      font-size: clamp(1.6rem, 3.5vw, 2.6rem);
      font-weight: 400;
      color: var(--color-white);
      line-height: 1.5;
      letter-spacing: 0.06em;
      text-shadow: 0 2px 12px rgba(0,0,0,0.35);
      margin-bottom: 1rem;
    }

    /* メインコピーの語の塊。塊の途中では改行しない。
       塊と塊の間（例：「いつでも、」と「誰かがいる場所。」の間）でのみ折り返す。 */
    .hero-main-copy .nobr {
      display: inline-block;
      white-space: nowrap;
    }

    .hero-sub-copy {
      font-size: clamp(0.82rem, 1.5vw, 0.95rem);
      color: rgba(255,255,255,0.88);
      line-height: 1.9;
      text-shadow: 0 1px 6px rgba(0,0,0,0.3);
      margin-bottom: 2rem;
    }

    .hero-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
    }

    .btn-enter {
      display: inline-block;
      padding: 0.75rem 1.8rem;
      background: var(--color-accent);
      color: #fff;
      font-family: var(--font-sans);
      font-size: 0.88rem;
      font-weight: 400;
      letter-spacing: 0.06em;
      border: none;
      border-radius: 2px;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.15s;
    }

    .btn-enter:hover {
      background: #a8652e;
      transform: translateY(-1px);
      color: #fff;
    }

    .btn-create {
      display: inline-block;
      padding: 0.75rem 1.8rem;
      background: transparent;
      color: rgba(255,255,255,0.9);
      font-family: var(--font-sans);
      font-size: 0.88rem;
      font-weight: 400;
      letter-spacing: 0.06em;
      border: 1px solid rgba(255,255,255,0.6);
      border-radius: 2px;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, border-color 0.2s, transform 0.15s;
    }

    .btn-create:hover {
      background: rgba(255,255,255,0.12);
      border-color: rgba(255,255,255,0.9);
      color: #fff;
      transform: translateY(-1px);
    }

    /* =====================
       吹き出しオーバーレイ（PC版のみ）
    ===================== */
    .chat-overlay {
      position: absolute;
      top: 5.5rem;
      right: 2.5vw;
      z-index: 3;
      display: flex;
      flex-direction: column;
      gap: 0.55rem;
      width: 260px;
      pointer-events: none;
    }

    .chat-bubble {
      display: flex;
      align-items: flex-start;
      gap: 0.5rem;
      opacity: 0;
      transform: translateX(14px);
      transition: opacity 0.45s ease, transform 0.45s ease;
    }

    .chat-bubble.visible {
      opacity: 1;
      transform: translateX(0);
    }

    .chat-bubble.hiding {
      opacity: 0;
      transform: translateY(8px);
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .chat-avatar {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(255,255,255,0.2);
      flex-shrink: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.75rem;
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      border: 1px solid rgba(255,255,255,0.25);
    }

    .chat-body {
      background: rgba(255,255,255,0.48);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border-radius: 0 12px 12px 12px;
      padding: 0.4rem 0.75rem 0.35rem;
      min-width: 80px;
      max-width: 210px;
    }

    .chat-text {
      font-family: var(--font-sans);
      font-size: 0.82rem;
      font-weight: 400;
      color: rgba(46,42,37,0.9);
      line-height: 1.4;
      white-space: nowrap;
    }

    .chat-time {
      font-size: 0.65rem;
      color: rgba(80,65,50,0.75);
      margin-top: 2px;
      text-align: right;
    }

    @media (max-width: 768px) {
      .chat-overlay { display: none; }
    }

    /* =====================
       セクション2：今、こんな場所があります
    ===================== */
    .rooms-section {
      padding: 5rem 2rem 4rem;
      max-width: 1100px;
      margin: 0 auto;
    }

    .section-label {
      font-size: 0.72rem;
      letter-spacing: 0.18em;
      color: var(--color-accent);
      text-transform: uppercase;
      margin-bottom: 0.4rem;
    }

    .section-title {
      font-family: var(--font-serif);
      font-size: clamp(1.15rem, 2.5vw, 1.5rem);
      font-weight: 400;
      color: var(--color-text);
      letter-spacing: 0.04em;
      margin-bottom: 2.5rem;
      line-height: 1.5;
    }

    .rooms-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 1.2rem;
    }

    .room-card {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-left: 3px solid rgba(196, 122, 58, 0.22);
      border-radius: 14px;
      padding: 1.4rem 1.5rem 2.4rem;
      position: relative;
      transition: box-shadow 0.22s, transform 0.22s, border-left-color 0.22s;
      cursor: pointer;
      text-decoration: none;
      display: block;
      color: var(--color-text);
    }

    .room-card:hover {
      box-shadow: 0 6px 28px rgba(0,0,0,0.1);
      transform: translateY(-3px);
      border-left-color: var(--color-accent);
      color: var(--color-text);
    }

    .room-card::after {
      content: '入る →';
      position: absolute;
      bottom: 0.85rem;
      left: 1.5rem;
      font-size: 0.72rem;
      color: var(--color-accent);
      letter-spacing: 0.06em;
      opacity: 0;
      transition: opacity 0.22s;
    }

    .room-card:hover::after { opacity: 1; }

    .room-card-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      margin-bottom: 0.6rem;
      gap: 0.5rem;
    }

    .room-name {
      font-family: var(--font-serif);
      font-size: 1rem;
      font-weight: 400;
      line-height: 1.4;
      flex: 1;
    }

    .room-count {
      display: flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 0.75rem;
      color: var(--color-text-muted);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .room-count::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #7ec98a;
    }

    .room-desc {
      font-size: 0.82rem;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    .room-desc-full {
      font-size: 0.82rem;
      color: var(--color-text-muted);
      line-height: 1.7;
    }

    .room-expand-btn {
      display: inline-block;
      margin-top: 0.3rem;
      font-size: 0.68rem;
      color: var(--color-accent);
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
      font-family: var(--font-sans);
      letter-spacing: 0.03em;
    }
    .room-expand-btn:hover { color: var(--color-text); }

    .report-btn {
      position: absolute;
      bottom: 0.8rem;
      right: 1rem;
      font-size: 0.68rem;
      color: var(--color-border);
      background: none;
      border: none;
      cursor: pointer;
      padding: 0.2rem 0.3rem;
      transition: color 0.15s;
    }

    .report-btn:hover { color: var(--color-text-muted); }

    /* =====================
       セクション3：Feederってどんな場所？
    ===================== */
    .about-section {
      padding: 4rem 2rem 4.5rem;
      background: var(--color-white);
      border-top: 1px solid var(--color-border);
      border-bottom: 1px solid var(--color-border);
    }

    .about-inner {
      max-width: 640px;
      margin: 0 auto;
    }

    .about-text {
      font-family: var(--font-serif);
      font-size: clamp(0.95rem, 1.8vw, 1.1rem);
      color: var(--color-text);
      line-height: 2.2;
      font-weight: 300;
      white-space: pre-line;
    }

    .about-note {
      margin-top: 1.5rem;
      font-size: 0.82rem;
      color: var(--color-text-muted);
      letter-spacing: 0.04em;
      line-height: 1.9;
    }

    .about-link {
      color: var(--color-accent);
      text-decoration: underline;
      text-decoration-thickness: 1px;
      text-underline-offset: 2px;
      transition: color 0.15s;
    }

    .about-link:hover {
      color: #a8652e;
    }

    /* =====================
       セクション4：フッター導線
    ===================== */
    .footer-cta {
      padding: 4rem 2rem;
      text-align: center;
    }

    .footer-cta-title {
      font-family: var(--font-serif);
      font-size: clamp(1rem, 2vw, 1.25rem);
      font-weight: 400;
      color: var(--color-text-muted);
      margin-bottom: 1.8rem;
      letter-spacing: 0.04em;
    }

    .footer-cta-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 0.75rem;
      justify-content: center;
    }

    .btn-enter--dark {
      display: inline-block;
      padding: 0.75rem 1.8rem;
      background: var(--color-accent);
      color: #fff;
      font-family: var(--font-sans);
      font-size: 0.88rem;
      letter-spacing: 0.06em;
      border: none;
      border-radius: 2px;
      cursor: pointer;
      text-decoration: none;
      transition: background 0.2s, transform 0.15s;
    }

    .btn-enter--dark:hover {
      background: #a8652e;
      transform: translateY(-1px);
      color: #fff;
    }

    .btn-create--dark {
      display: inline-block;
      padding: 0.75rem 1.8rem;
      background: transparent;
      color: var(--color-text-muted);
      font-family: var(--font-sans);
      font-size: 0.88rem;
      letter-spacing: 0.06em;
      border: 1px solid var(--color-border);
      border-radius: 2px;
      cursor: pointer;
      text-decoration: none;
      transition: border-color 0.2s, color 0.2s, transform 0.15s;
    }

    .btn-create--dark:hover {
      border-color: var(--color-text-muted);
      color: var(--color-text);
      transform: translateY(-1px);
    }

    /* =====================
       フッター
    ===================== */
    .site-footer {
      padding: 1.5rem 2rem;
      border-top: 1px solid var(--color-border);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 0.5rem;
    }

    .site-footer .logo-small {
      display: inline-block;
      line-height: 0;
      text-decoration: none;
    }

    .site-footer .logo-small img {
      height: 22px;
      width: auto;
      opacity: 0.6;
    }

    .site-footer .footer-links { display: flex; gap: 0.4rem 1.2rem; flex-wrap: wrap; }

    .site-footer .footer-link {
      font-size: 0.75rem;
      color: var(--color-text-muted);
      text-decoration: none;
      white-space: nowrap;
    }

    .site-footer .footer-link:hover { color: var(--color-text); }

    /* =====================
       フェードイン演出
    ===================== */
    .fade-in {
      opacity: 0;
      transform: translateY(16px);
      transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .fade-in.visible {
      opacity: 1;
      transform: translateY(0);
    }

    .hero-content .hero-main-copy,
    .hero-content .hero-sub-copy,
    .hero-content .hero-buttons {
      opacity: 0;
      transform: translateY(12px);
      animation: heroFadeIn 0.8s ease forwards;
    }

    .hero-content .hero-sub-copy { animation-delay: 0.2s; }
    .hero-content .hero-buttons  { animation-delay: 0.4s; }

    @keyframes heroFadeIn {
      to { opacity: 1; transform: translateY(0); }
    }

    /* =====================
       「ふらっと入ってみる」モーダル
    ===================== */
    .enter-modal-backdrop {
      display: none;
      position: fixed;
      inset: 0;
      z-index: 1000;
      background: rgba(20,15,10,0.55);
      backdrop-filter: blur(3px);
      -webkit-backdrop-filter: blur(3px);
      align-items: center;
      justify-content: center;
      padding: 1.5rem;
    }

    .enter-modal-backdrop.open {
      display: flex;
    }

    .enter-modal {
      background: var(--color-bg);
      border-radius: 6px;
      width: 100%;
      max-width: 560px;
      max-height: 90svh;
      overflow-y: auto;
      box-shadow: 0 20px 60px rgba(0,0,0,0.25);
      animation: modalIn 0.25s ease forwards;
    }

    @keyframes modalIn {
      from { opacity: 0; transform: translateY(12px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .enter-modal-header {
      padding: 1.4rem 1.5rem 0;
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 1rem;
    }

    .enter-modal-title {
      font-family: var(--font-serif);
      font-size: 1rem;
      font-weight: 400;
      color: var(--color-text);
      letter-spacing: 0.04em;
      line-height: 1.5;
    }

    .enter-modal-sub {
      font-size: 0.78rem;
      color: var(--color-text-muted);
      margin-top: 0.25rem;
    }

    .enter-modal-close {
      background: none;
      border: none;
      cursor: pointer;
      color: var(--color-text-muted);
      font-size: 1.2rem;
      line-height: 1;
      padding: 0.1rem 0.2rem;
      flex-shrink: 0;
      transition: color 0.15s;
    }

    .enter-modal-close:hover { color: var(--color-text); }

    .enter-modal-body {
      padding: 1.2rem 1.5rem 1.5rem;
      display: flex;
      flex-direction: column;
      gap: 0.75rem;
    }

    /* ローディング */
    .enter-modal-loading {
      text-align: center;
      padding: 2rem 0;
      font-size: 0.82rem;
      color: var(--color-text-muted);
    }

    /* 空状態 */
    .enter-modal-empty {
      text-align: center;
      padding: 2rem 0;
    }

    .enter-modal-empty p {
      font-size: 0.85rem;
      color: var(--color-text-muted);
      line-height: 1.8;
    }

    /* ルームカード */
    .enter-room-card {
      background: var(--color-white);
      border: 1px solid var(--color-border);
      border-left: 3px solid rgba(196, 122, 58, 0.22);
      border-radius: 14px;
      padding: 1.1rem 1.25rem 2.2rem;
      position: relative;
      display: block;
      text-decoration: none;
      color: var(--color-text);
      transition: box-shadow 0.22s, transform 0.22s, border-left-color 0.22s;
      cursor: pointer;
    }

    .enter-room-card:hover {
      box-shadow: 0 6px 28px rgba(0,0,0,0.1);
      transform: translateY(-3px);
      border-left-color: var(--color-accent);
      color: var(--color-text);
    }

    .enter-room-card::after {
      content: '入る →';
      position: absolute;
      bottom: 0.85rem;
      left: 1.25rem;
      font-size: 0.72rem;
      color: var(--color-accent);
      letter-spacing: 0.06em;
      opacity: 0;
      transition: opacity 0.22s;
    }
    .enter-room-card:hover::after { opacity: 1; }

    .enter-room-header {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      gap: 0.5rem;
      margin-bottom: 0.3rem;
    }

    .enter-room-name {
      font-family: var(--font-serif);
      font-size: 0.95rem;
      font-weight: 400;
      color: var(--color-text);
      flex: 1;
      min-width: 0;
    }

    .enter-room-count {
      display: inline-flex;
      align-items: center;
      gap: 0.3rem;
      font-size: 0.75rem;
      color: var(--color-text-muted);
    }

    .enter-room-count::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: #7ec98a;
      flex-shrink: 0;
    }

    .enter-room-desc {
      font-size: 0.78rem;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-top: 0.3rem;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .enter-room-desc-full {
      font-size: 0.78rem;
      color: var(--color-text-muted);
      line-height: 1.6;
      margin-top: 0.3rem;
    }

    .enter-room-expand-btn {
      display: inline-block;
      margin-top: 0.3rem;
      font-size: 0.65rem;
      color: var(--color-accent);
      background: none;
      border: none;
      cursor: pointer;
      padding: 0;
      font-family: var(--font-sans);
      letter-spacing: 0.03em;
    }
    .enter-room-expand-btn:hover { color: var(--color-text); }

    /* モーダルフッター：別ルームを探すリンク */
    .enter-modal-footer {
      padding: 0 1.5rem 1.4rem;
      text-align: center;
    }

    .enter-modal-refresh {
      font-size: 0.78rem;
      color: var(--color-text-muted);
      background: none;
      border: none;
      cursor: pointer;
      font-family: var(--font-sans);
      letter-spacing: 0.03em;
      padding: 0;
      transition: color 0.15s;
    }

    .enter-modal-refresh:hover { color: var(--color-accent); }

    /* =====================
       デバッグパネル（本番では非表示にする）
    ===================== */
    .debug-panel {
      position: fixed;
      bottom: 1.2rem;
      right: 1.2rem;
      z-index: 9999;
      background: rgba(20,15,10,0.82);
      backdrop-filter: blur(8px);
      -webkit-backdrop-filter: blur(8px);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 8px;
      padding: 0.75rem 1rem;
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
      min-width: 180px;
    }

    .debug-label {
      font-size: 0.65rem;
      color: rgba(255,255,255,0.45);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      margin-bottom: 0.1rem;
    }

    .debug-slot-display {
      font-size: 0.75rem;
      color: rgba(255,255,255,0.6);
      margin-bottom: 0.1rem;
    }

    .debug-slot-display span {
      color: #e8a86a;
      font-weight: 500;
    }

    .debug-buttons {
      display: flex;
      flex-wrap: wrap;
      gap: 0.35rem;
    }

    .debug-btn {
      font-size: 0.7rem;
      padding: 0.25rem 0.6rem;
      background: rgba(255,255,255,0.1);
      color: rgba(255,255,255,0.75);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 4px;
      cursor: pointer;
      transition: background 0.15s, color 0.15s;
      font-family: var(--font-sans);
      letter-spacing: 0.04em;
    }

    .debug-btn:hover {
      background: rgba(255,255,255,0.2);
      color: #fff;
    }

    .debug-btn.active {
      background: #C47A3A;
      border-color: #C47A3A;
      color: #fff;
    }

    .debug-close {
      font-size: 0.65rem;
      color: rgba(255,255,255,0.3);
      background: none;
      border: none;
      cursor: pointer;
      text-align: right;
      padding: 0;
      font-family: var(--font-sans);
      margin-top: 0.1rem;
    }

    .debug-close:hover { color: rgba(255,255,255,0.6); }

    /* =====================
       レスポンシブ（スマホ）
    ===================== */
    @media (max-width: 768px) {
      .hero-bg--pc      { display: none; }
      .hero-bg--sp      { display: block; }
      .hero-overlay     { display: none; }
      .hero-overlay--sp { display: block; }

      .hero-section { align-items: flex-end; }

      .hero-content {
        padding: 0 1.4rem 3.5rem;
        max-width: 100%;
      }

      .hero-main-copy { font-size: 1.5rem; }
      .hero-sub-copy  { font-size: 0.85rem; }

      .hero-buttons { flex-direction: column; }
      .btn-enter, .btn-create { text-align: center; }

      .rooms-section { padding: 3rem 1.2rem 2.5rem; }
      .rooms-grid    { grid-template-columns: 1fr; }

      .site-footer {
        flex-direction: column;
        align-items: flex-start;
      }
    }

/* =====================
   障害情報バナー
===================== */
.trouble-banner {
  background: #fff8f0;
  border-bottom: 1px solid #e8b97a;
  padding: 0.75rem 2rem;
  font-size: 0.85rem;
  line-height: 1.8;
  color: #664d03;
}

/* =====================
   ルームなし状態
===================== */
.rooms-empty {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 0.88rem;
  color: var(--color-text-muted);
  padding: 2rem 0;
}