/* ==========================================================================
   ミヤダイクシステム ポータル
   漆黒・鍛造金属・真鍮金による「和モダン × 職人美」
   色はすべて下のCSS変数で一括変更できます
   ========================================================================== */

:root {
  /* 地の色（漆黒） */
  --bg-base: #0D0D0D;
  --bg-deep: #121214;
  --bg-raise: #1A1A1C;
  --bg-raise-2: #2A2A2E;

  /* 真鍮金 */
  --gold: #C5A059;
  --gold-bright: #E5C178;
  --gold-deep: #DAA520;
  --gold-dim: rgba(197, 160, 89, 0.28);
  --gold-faint: rgba(197, 160, 89, 0.12);

  /* 文字 */
  --text: #F0F0F0;
  --text-sub: #A0A0A0;
  --text-dim: #6E6E70;

  /* 会（日課）の藍 */
  --ai: #1E293B;
  --ai-raise: #2B3A52;
  --ai-line: rgba(140, 175, 220, 0.35);

  /* 書体 */
  --serif: "Noto Serif JP", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;

  /* 効果 */
  --radius: 10px;
  --shadow: 0 6px 20px rgba(0, 0, 0, 0.55);
  --shadow-lift: 0 10px 26px rgba(0, 0, 0, 0.65);
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background-color: var(--bg-base);
  /* 組子（麻の葉）を極薄く敷いた漆黒の地 */
  background-image:
    radial-gradient(ellipse at 50% -10%, rgba(197, 160, 89, 0.10), transparent 60%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='104' viewBox='0 0 60 104'%3E%3Cg fill='none' stroke='%23C5A059' stroke-opacity='0.055' stroke-width='1'%3E%3Cpath d='M30 0 60 52 30 104 0 52Z'/%3E%3Cpath d='M30 0v104M0 52h60M30 0 0 52l30 52 30-52Z'/%3E%3C/g%3E%3C/svg%3E");
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

/* ==========================================================================
   頭（家紋・題字）
   ========================================================================== */

.site-head {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--gold-dim);
  /* 映像が無いときのための漆黒の木目 */
  background:
    repeating-linear-gradient(91deg,
      rgba(255, 255, 255, 0.014) 0 2px,
      transparent 2px 26px,
      rgba(0, 0, 0, 0.30) 26px 28px),
    linear-gradient(180deg, #17171A 0%, #0D0D0D 100%);
}

.head-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 0.5;
  pointer-events: none;
}

/* 映像を沈ませて金の文字を立たせる被せ */
.head-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.78) 75%),
    linear-gradient(180deg, rgba(13, 13, 13, 0.55) 0%, rgba(13, 13, 13, 0.92) 100%);
}

.head-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 34px 20px 26px;
  text-align: center;
}

/* 家紋（差し替えるときは index.html の svg を入れ替える） */
.kamon {
  width: 62px;
  height: 62px;
  color: var(--gold);
  filter: drop-shadow(0 0 10px rgba(197, 160, 89, 0.45));
}

.head-titles { display: flex; flex-direction: column; gap: 4px; }

.head-title {
  margin: 0;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-indent: 0.34em;
  /* 真鍮の照り */
  background: linear-gradient(180deg, var(--gold-bright) 0%, var(--gold) 45%, var(--gold-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.head-sub {
  margin: 0;
  font-size: 0.6rem;
  letter-spacing: 0.42em;
  text-indent: 0.42em;
  color: var(--text-sub);
}

.head-rule {
  position: relative;
  width: 190px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim) 20%, var(--gold) 50%, var(--gold-dim) 80%, transparent);
}
.head-diamond {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  transform: translate(-50%, -50%) rotate(45deg);
  background: var(--gold);
  box-shadow: 0 0 8px rgba(197, 160, 89, 0.8);
}

/* ==========================================================================
   本体
   ========================================================================== */

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 30px 22px 44px;
}

.group { margin-bottom: 34px; }

.group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  padding-bottom: 9px;
  font-family: var(--serif);
  font-size: 1.12rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--text);
  border-bottom: 1px solid var(--gold-faint);
  position: relative;
}
/* 見出しの金の下線（左から伸びる） */
.group-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 92px;
  height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
}
.group-mark {
  width: 9px;
  height: 9px;
  flex: none;
  background: var(--gold);
  transform: rotate(45deg);
  box-shadow: 0 0 8px rgba(197, 160, 89, 0.55);
}

/* ---------- 機能カード（鍛造金属プレート） ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
}

.card {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 18px 18px 16px;
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  background:
    linear-gradient(150deg, var(--bg-raise-2) 0%, var(--bg-raise) 55%, #141416 100%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

/* 金属の照り返し（斜めの走り） */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.055) 0%, transparent 42%);
  pointer-events: none;
}

.card:hover,
.card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lift), 0 0 0 1px var(--gold-dim), 0 0 22px rgba(197, 160, 89, 0.30);
}
.card:focus-visible { outline: none; }

/* 落款（印） */
.card-seal {
  flex: none;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--gold-bright);
  border: 1px solid var(--gold-dim);
  border-radius: 6px;
  background:
    radial-gradient(circle at 32% 26%, rgba(229, 193, 120, 0.16), transparent 62%),
    linear-gradient(160deg, #24241F 0%, #17170F 100%);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.6), 0 0 10px rgba(197, 160, 89, 0.12);
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover .card-seal {
  color: #FFF0CC;
  border-color: var(--gold);
  box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.6), 0 0 16px rgba(197, 160, 89, 0.45);
}

.card-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.card-name {
  font-family: var(--serif);
  font-size: 1.04rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text);
}

.card-desc {
  font-size: 0.79rem;
  line-height: 1.65;
  color: var(--text-sub);
  flex-grow: 1;
}

.tag {
  align-self: flex-start;
  margin-top: 2px;
  padding: 2px 11px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  border-radius: 999px;
  border: 1px solid;
}
.tag-live {
  color: var(--gold-bright);
  border-color: var(--gold-dim);
  background: rgba(197, 160, 89, 0.08);
}
.tag-claude {
  color: var(--text-dim);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.03);
}
/* このアカウントでは使えないシステム */
.tag-locked {
  display: inline-block;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 2px 10px;
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 4px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.02);
}
.card.is-locked { cursor: not-allowed; }

/* 準備中のもの */
.card.is-static {
  opacity: 0.62;
  cursor: default;
}
.card.is-static:hover {
  transform: none;
  border-color: rgba(255, 255, 255, 0.07);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.card.is-static .card-seal { color: var(--text-dim); border-color: rgba(255, 255, 255, 0.10); }
.card.is-static:hover .card-seal { color: var(--text-dim); border-color: rgba(255, 255, 255, 0.10); box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.6); }

/* ---------- 会に参加する（日課・藍の金属プレート） ---------- */

.kai-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.kai-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1px;
  padding: 15px 10px 13px;
  border: 1px solid var(--ai-line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--ai-raise) 0%, var(--ai) 60%, #16202F 100%);
  box-shadow: var(--shadow), inset 0 1px 0 rgba(255, 255, 255, 0.07);
  overflow: hidden;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.kai-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(255, 255, 255, 0.07) 0%, transparent 45%);
  pointer-events: none;
}
.kai-card:hover,
.kai-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-lift), 0 0 20px rgba(197, 160, 89, 0.28);
  outline: none;
}

.kai-time {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
  font-variant-numeric: tabular-nums;
}
.kai-name {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-indent: 0.2em;
  color: var(--text);
}
.kai-note {
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  color: var(--text-sub);
}

.kai-hint {
  margin: 12px 0 0;
  font-size: 0.72rem;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}

.notice {
  margin: 26px 0 0;
  padding: 12px 16px;
  font-size: 0.76rem;
  color: var(--text-sub);
  border-left: 2px solid var(--gold-dim);
  background: rgba(255, 255, 255, 0.02);
  border-radius: 0 6px 6px 0;
}

/* ==========================================================================
   足
   ========================================================================== */

.site-foot {
  border-top: 1px solid var(--gold-faint);
  padding: 24px 20px 30px;
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.5));
}
.foot-catch {
  font-family: var(--serif);
  font-size: 0.86rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}
.foot-copy {
  margin-top: 6px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--text-dim);
}

/* ==========================================================================
   画面幅による調整
   ========================================================================== */

/* タブレット */
@media (max-width: 900px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .head-title { font-size: 1.7rem; }
}

/* ---------- スマホ：全機能をスクロールせずに押せる形 ---------- */
@media (max-width: 700px) {
  .site-head { border-bottom-width: 1px; }
  .head-inner { padding: 14px 14px 12px; gap: 5px; }
  .kamon { width: 36px; height: 36px; }
  .head-title { font-size: 1.26rem; letter-spacing: 0.24em; text-indent: 0.24em; }
  .head-sub { font-size: 0.46rem; letter-spacing: 0.34em; text-indent: 0.34em; }
  .head-rule { width: 130px; }
  .head-video { opacity: 0.55; }

  .container { padding: 6px 8px 8px; }
  .group { margin-bottom: 5px; }
  .group-title {
    font-size: 0.74rem;
    line-height: 1.3;
    letter-spacing: 0.08em;
    gap: 6px;
    margin-bottom: 4px;
    padding-bottom: 3px;
  }
  .group-mark { width: 6px; height: 6px; }
  .group-title::after { width: 56px; }

  /* 3列のタイル。説明文とタグは畳んで印と名前だけ出す */
  .card-grid { grid-template-columns: repeat(3, 1fr); gap: 5px; }
  .card {
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    gap: 3px;
    padding: 5px 3px 4px;
    border-radius: 7px;
  }
  .card-desc, .tag { display: none; }
  .card-seal { width: 24px; height: 24px; font-size: 0.78rem; border-radius: 5px; }
  .card-body { gap: 0; width: 100%; }
  .card-name {
    font-size: 0.58rem;
    line-height: 1.15;
    letter-spacing: 0;
    word-break: auto-phrase;
  }

  /* 会は5つを1行に */
  .kai-grid { grid-template-columns: repeat(5, 1fr); gap: 5px; }
  .kai-card { padding: 6px 2px 5px; border-radius: 7px; }
  .kai-time { font-size: 0.56rem; letter-spacing: 0.04em; }
  .kai-name { font-size: 0.82rem; letter-spacing: 0.05em; text-indent: 0.05em; }
  .kai-note { display: none; }
  .kai-hint, .notice, .site-foot { display: none; }
}

/* 画面の低いスマホ（iPhone SE など）はもう一段詰める */
@media (max-width: 700px) and (max-height: 720px) {
  .head-inner { padding: 7px 12px 6px; gap: 2px; }
  .kamon { width: 24px; height: 24px; }
  .head-title { font-size: 0.98rem; letter-spacing: 0.2em; text-indent: 0.2em; }
  .head-sub { display: none; }
  .head-rule { width: 90px; }
  .container { padding: 4px 6px 6px; }
  .group { margin-bottom: 3px; }
  .group-title { font-size: 0.66rem; margin-bottom: 3px; padding-bottom: 2px; }
  .card-grid { gap: 4px; }
  .card { padding: 4px 2px 3px; gap: 1px; }
  .card-seal { width: 21px; height: 21px; font-size: 0.7rem; }
  .card-name { font-size: 0.53rem; line-height: 1.1; }
  .kai-grid { gap: 4px; }
  .kai-card { padding: 3px 2px; gap: 0; }
  .kai-time { font-size: 0.5rem; }
  .kai-name { font-size: 0.72rem; }
}

/* 動きを抑える設定の端末では映像を静止させる */
@media (prefers-reduced-motion: reduce) {
  .card, .kai-card { transition: none; }
  .card:hover, .kai-card:hover { transform: none; }
}