/* ============ 共通リセット & 変数 ============ */
:root{
  --font: 'Gowun Batang', serif;
  --btn-bg: rgba(128,128,128,0.35);
  --btn-bg-hover: rgba(128,128,128,0.55);
  --btn-border: rgba(255,255,255,0.45);
  --btn-text: #111;
  --panel-bg: rgba(0,0,0,0.45);     /* blog/overlay内パネル背景 */
  --scrim-bg: rgba(0,0,0,0.55);     /* オーバーレイの背面暗幕 */
  --white: #fff;
}

html, body {
  margin: 0; padding: 0;
  width: 100%;
  height: 100svh;                   /* iOSのアドレスバー対策 */
  font-family: var(--font);
  overflow: hidden;                 /* ページ全体はスクロールなし */
  background: #000;
  position: relative;
  color: var(--white);
}

/* ============ 背景動画 ============ */
.bg-video {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100svh;
  object-fit: cover;
  z-index: 0;
  background: #000;
  pointer-events: none;
  -webkit-transform: translateZ(0);
}

/* ============ TOP（index.html） ============ */
.container {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: min(1200px, 100%);
  padding: 0 24px;
  padding-left: max(24px, env(safe-area-inset-left));
  padding-right: max(24px, env(safe-area-inset-right));
  box-sizing: border-box;

  display: flex; flex-direction: column;
  align-items: center; text-align: center;
  z-index: 1;                       /* UIは動画の上 */
}

.logo {
  max-width: 1000px;                /* PCでのロゴ大きさ */
  width: 85%;
  height: auto;
  margin: 0 0 40px;
  display: block;
}
@media (max-width: 780px){
  .logo { width: 88%; max-width: 900px; margin-bottom: 28px; }
}
@media (max-width: 460px){
  .logo {
    width: 110%;        /* スマホで二回り大きく */
    max-width: 900px;
    margin-bottom: 32px;
  }
}

/* ============ ボタン（統一デザイン） ============ */
.btn-pill,
.links > a,
.sns-open,
.sns-btn,
.link-home,
.btn {
  display: inline-block;
  padding: 8px 16px;
  font-size: 1.2rem;
  font-family: var(--font);
  color: var(--btn-text);
  text-decoration: none;
  background: var(--btn-bg);
  border: 1px solid var(--btn-border);
  border-radius: 24px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: background .25s ease, transform .15s ease;
  cursor: pointer;
}
.btn-pill:hover,
.links > a:hover,
.sns-open:hover,
.sns-btn:hover,
.link-home:hover,
.btn:hover {
  background: var(--btn-bg-hover);
  color: #000;
  transform: translateY(-2px);
}

/* TOPのリンク群 */
.links {
  display:flex; justify-content:center; align-items:center;
  flex-wrap:wrap; gap:20px 24px; margin-bottom:24px;
}

/* サウンドトグル */
.sound-toggle{
  margin-top:6px; padding:8px 16px; font-size:.95rem;
  background: rgba(0,0,0,0.45); color: var(--white);
  border:1px solid rgba(255,255,255,0.5);
  border-radius:16px; cursor:pointer;
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  transition:background .25s ease;
  z-index: 1;
}
.sound-toggle:hover{ background:rgba(0,0,0,0.6); }

/* ============ 中央オーバーレイ（about / SNS 共通） ============ */
.overlay{
  position: fixed; inset: 0;
  background: var(--scrim-bg);      /* TOPと調和する暗幕 */
  display: none; align-items: center; justify-content: center;
  padding: 24px; box-sizing: border-box;
  z-index: 3;
}
.overlay.is-open{ display: flex; }

.overlay__inner{
  width: min(600px, 92vw);          /* 横幅抑えめ */
  max-height: 86vh;
  overflow: auto;
  background: var(--panel-bg);
  color: var(--white);
  border: 1px solid var(--btn-border);
  border-radius: 14px;
  padding: 18px 20px;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  position: relative;
  text-align: center;
}

/* タイトル：中央寄せ／太字なし／フォント統一 */
.overlay__title{
  margin: 0 0 14px;
  text-align: center;
  font-family: var(--font);
  font-weight: normal;
  font-size: 1.4rem;
  color: var(--white);
}

/* 本文：中央寄せ／フォント統一 */
.overlay__body{
  line-height: 1.7;
  font-family: var(--font);
  font-weight: normal;
  text-align: center;
  color: var(--white);
}

/* 閉じる（右上固定） */
.overlay__close{
  position:absolute; right: 18px; top: 10px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.4); color: var(--white);
  cursor: pointer; font-size: 18px; line-height: 32px;
}

/* SNS オーバーレイ内ボタン */
.sns-list{
  display:flex; gap:16px; flex-wrap:wrap; justify-content:center; margin-top: 8px;
}

/* ============ blog（blog.html） ============ */
.blog-wrap{
  position:absolute; top:50%; left:50%;
  transform:translate(-50%, -50%);
  width:min(1000px, 92vw);
  max-height:86vh;                 /* 一覧枠だけスクロール */
  overflow:auto;
  padding:20px 22px; box-sizing:border-box;
  background: var(--panel-bg);
  color: var(--white);
  border-radius:16px;
  border: 1px solid var(--btn-border);
  backdrop-filter:blur(4px); -webkit-backdrop-filter:blur(4px);
  z-index: 1;
}
.blog-header{
  display:flex; justify-content:space-between; align-items:center;
  gap:12px; margin-bottom:10px;
}
.blog-title{ font-size:1.6rem; margin:0; }
.blog-actions{ display:flex; gap:10px; align-items:center; }

.blog-meta{ opacity:.8; font-size:.95rem; margin-bottom:8px; }

.post-list{ display:flex; flex-direction:column; gap:12px; }
.post-card{
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 12px; padding: 14px 16px;
  outline: none; cursor: pointer;
  transition: background .2s ease, transform .12s ease;
}
.post-card:hover{ background: rgba(255,255,255,0.12); transform: translateY(-1px); }
.post-card:focus{ box-shadow: 0 0 0 2px rgba(255,255,255,0.35) inset; }
.post-card__title{ margin:0 0 6px; font-size:1.2rem; }
.post-card__date{ font-size:.9rem; opacity:.8; margin-bottom:6px; }
.post-card__snippet{ margin:0; line-height:1.65; }

/* モーダル（本文） */
.post-modal{
  position: fixed; inset: 0;
  background: var(--scrim-bg);
  display: none; align-items: center; justify-content: center;
  padding: 24px; box-sizing: border-box;
  z-index: 3;
}
.post-modal.is-open{ display: flex; }
.post-modal__inner{
  width: min(820px, 92vw); max-height: 86vh; overflow: auto;
  background: var(--panel-bg);
  color: var(--white);
  border: 1px solid var(--btn-border);
  border-radius: 14px; padding: 18px 20px;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  position: relative;
}
.post-modal__close{
  position:absolute; right: 18px; top: 10px;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.4); color: var(--white);
  cursor: pointer; font-size: 18px; line-height: 32px;
}
.modal-date{ opacity: .8; margin-bottom: 8px; }
.modal-body{ line-height: 1.7; }

/* ============ HCB（htmlcommentbox）サイト調整 ============ */
.comments { margin-top: 18px; }
.comments__title{
  margin: 0 0 8px;
  font-size: 1.2rem;
  font-family: var(--font);
  font-weight: normal;
  text-align: left;
  color: var(--white);
  opacity: .95;
}

/* コンテナのトーンを合わせる */
#HCB_comment_box{
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 12px;
  padding: 10px;
  color: var(--white);
}

/* テキスト・リンク色 */
#HCB_comment_box, #HCB_comment_box *{
  font-family: var(--font);
}
#HCB_comment_box a{ color:#e6e6e6; }
#HCB_comment_box a:hover{ color:#ffffff; text-decoration: underline; }

/* 入力フィールド */
#HCB_comment_box input,
#HCB_comment_box textarea,
#HCB_comment_box select{
  background: rgba(255,255,255,0.1) !important;
  color: var(--white) !important;
  border: 1px solid rgba(255,255,255,0.35) !important;
  border-radius: 10px !important;
}
#HCB_comment_box input::placeholder,
#HCB_comment_box textarea::placeholder{ color: rgba(255,255,255,0.65); }
#HCB_comment_box input:focus,
#HCB_comment_box textarea:focus,
#HCB_comment_box select:focus{
  outline: none !important;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.35) inset !important;
}

/* 送信ボタン → pill スタイルに */
#HCB_comment_box input[type="submit"],
#HCB_comment_box button[type="submit"]{
  display:inline-block !important;
  padding:8px 16px !important;
  font-size:1rem !important;
  color: var(--btn-text) !important;
  background: var(--btn-bg) !important;
  border:1px solid var(--btn-border) !important;
  border-radius:24px !important;
  box-shadow:0 4px 12px rgba(0,0,0,0.25) !important;
  backdrop-filter:blur(4px) !important; -webkit-backdrop-filter:blur(4px) !important;
  transition: background .25s ease, transform .15s ease !important;
  cursor: pointer !important;
}
#HCB_comment_box input[type="submit"]:hover,
#HCB_comment_box button[type="submit"]:hover{
  background: var(--btn-bg-hover) !important;
  color: #000 !important;
  transform: translateY(-2px) !important;
}

/* コメント1件ごとのカード風 */
#HCB_comment_box .hcb-comment,            /* 一般的なクラス */
#HCB_comment_box .comment,                /* バージョン差異用 */
#HCB_comment_box .hcb-comment-tb {        /* テーブル版 */
  background: rgba(255,255,255,0.06) !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  border-radius: 10px !important;
  padding: 10px 12px !important;
  margin: 8px 0 !important;
}

/* メタ情報（日時・名前など） */
#HCB_comment_box .hcb-comment .date,
#HCB_comment_box .hcb-comment .author,
#HCB_comment_box .date, #HCB_comment_box .author{
  opacity:.85 !important;
}

/* ページャ / 説明文 / 注意文 */
#HCB_comment_box .hcb-count,
#HCB_comment_box .hcb-pager,
#HCB_comment_box .hcb-moderate,
#HCB_comment_box .hcb-footer{
  color: #ddd !important;
}
#HCB_comment_box .hcb-pager a{
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 14px;
  padding: 4px 10px;
  text-decoration: none;
}
#HCB_comment_box .hcb-pager a:hover{
  background: rgba(0,0,0,0.5);
}

/* 画像/アイコン（あれば）も少し丸く */
#HCB_comment_box img{
  border-radius: 6px;
  opacity: 0.95;
}

/* reCAPTCHA などのウィジェットが重ならないよう余白 */
#HCB_comment_box .hcb-form{ margin-bottom: 8px; }

/* ============ レスポンシブ ============ */
@media (max-width: 780px){
  .links { gap:16px 20px; }
  .links > a, .sns-open { padding:8px 14px; }
  .blog-title{ font-size:1.3rem; }
}
@media (max-width: 460px){
  .links { gap:12px 14px; }
  .links > a, .sns-open {
    flex:1 1 100%; font-size:1rem;
    padding:10px 16px; border-radius:18px;
  }
  .logo {
    width: 110%;
    max-width: 900px;
    margin-bottom: 32px;
  }
}