/* ==========================================================
   壱岐薫平 / KUMPEI IKI Official Site — 共通スタイル
   テーマ: 海外アーティスト風エディトリアル
   (オフホワイト × ブラック、大きな欧文タイポグラフィ、余白)
   ========================================================== */

:root {
  --bg: #f6f5f1;           /* オフホワイト */
  --fg: #141414;           /* ほぼ黒 */
  --muted: #797469;        /* 補助テキスト(グレー) */
  --line: #dedbd2;         /* 罫線 */
  --accent: #a08444;       /* 控えめな真鍮色(ごく一部にだけ使用) */
  --card: #fdfdfb;         /* カード背景 */
  --latin: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 15.5px;
  line-height: 2.0;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--fg); text-decoration: none; transition: color 0.25s, opacity 0.25s; }
a:hover { color: var(--accent); }

/* ---------- レイアウト ---------- */
.container {
  width: min(1080px, 90%);
  margin-inline: auto;
}

main { min-height: 60vh; }

section { padding: 90px 0; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 245, 241, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  flex-wrap: wrap;
  gap: 12px;
}

.site-logo {
  font-family: var(--latin);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fg);
  line-height: 1.4;
}
.site-logo:hover { color: var(--fg); opacity: 0.6; }
.site-logo small {
  display: block;
  font-family: var(--sans);
  font-size: 0.62rem;
  font-weight: 400;
  letter-spacing: 0.4em;
  color: var(--muted);
  text-transform: none;
}

.global-nav ul {
  display: flex;
  gap: 30px;
  list-style: none;
  flex-wrap: wrap;
}

.global-nav a {
  font-family: var(--latin);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 5px;
  border-bottom: 1px solid transparent;
}
.global-nav a:hover { color: var(--fg); }
.global-nav a.current {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

/* ---------- ヒーロー(トップページ) ---------- */
.hero {
  position: relative;
  min-height: min(80vh, 720px);
  display: flex;
  align-items: center;
  padding: 80px 0;
  text-align: left;
  overflow: hidden;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

/* 背景動画。右端は切れてよい前提で右寄せに置く */
.hero-video {
  position: absolute;
  top: 0;
  right: 0;
  width: 74%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* 動画の左端がグラデーションの不透明部分に隠れるようにして、境目を消す */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    var(--bg) 0%,
    var(--bg) 32%,
    rgba(246, 245, 241, .88) 41%,
    rgba(246, 245, 241, .55) 52%,
    rgba(246, 245, 241, 0) 74%
  );
}

.hero-inner {
  position: relative;   /* 動画より前面に */
  width: min(1080px, 90%);
}

.hero-text { max-width: 52%; }

.hero .en-title {
  font-family: var(--latin);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.5em;
  color: var(--muted);
  text-transform: uppercase;
  margin-bottom: 26px;
}

.hero h1 {
  font-family: var(--latin);
  font-size: clamp(2.8rem, 8vw, 6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.hero .tagline {
  color: var(--muted);
  font-size: 0.95rem;
  letter-spacing: 0.16em;
}

.hero .hero-rule {
  width: 80px;
  height: 1px;
  background: var(--fg);
  margin: 44px 0 0;
}

/* 動きを抑える設定の端末では動画を止め、静止画を薄く敷く */
@media (prefers-reduced-motion: reduce) {
  .hero-video { display: none; }
  .hero-overlay {
    background:
      linear-gradient(90deg, var(--bg) 0%, var(--bg) 32%, rgba(246, 245, 241, .88) 41%, rgba(246, 245, 241, .55) 52%, rgba(246, 245, 241, 0) 74%),
      url('../images/hero-poster.jpg') right center / 74% 100% no-repeat;
  }
}

/* ---------- 見出し ---------- */
.section-title {
  text-align: left;
  margin-bottom: 52px;
  padding-top: 22px;
  border-top: 1px solid var(--fg);
}
.section-title .en {
  display: block;
  font-family: var(--latin);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  line-height: 1.2;
}
.section-title .ja {
  display: block;
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-top: 8px;
}

/* ---------- ページ先頭の帯(下層ページ) ---------- */
.page-head {
  padding: 110px 0 90px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}
.page-head .en {
  display: block;
  font-family: var(--latin);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.1;
  text-transform: uppercase;
  color: var(--fg);
}
.page-head h1 {
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.32em;
  color: var(--muted);
  margin-top: 14px;
}

/* ---------- カード ---------- */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 34px 36px;
}

.card + .card { margin-top: 24px; }

.card h3 {
  font-size: 1.02rem;
  letter-spacing: 0.1em;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ---------- お知らせリスト ---------- */
.news-list { list-style: none; }
.news-list li {
  display: flex;
  gap: 32px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}
.news-list li:first-child { border-top: 1px solid var(--line); }
.news-list time {
  font-family: var(--latin);
  font-size: 0.85rem;
  color: var(--muted);
  letter-spacing: 0.12em;
  white-space: nowrap;
  padding-top: 2px;
}
.news-list .news-body { flex: 1; min-width: 240px; }

.more-link {
  margin-top: 28px;
  font-family: var(--latin);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
}
.more-link a {
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
}
.more-link a:hover { color: var(--fg); border-bottom-color: var(--fg); }

/* ---------- ライブスケジュール ---------- */
.live-item {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 8px 40px;
  padding: 34px 4px;
  border-bottom: 1px solid var(--line);
}
.live-item:first-child { border-top: 1px solid var(--fg); }
.live-item + .live-item { margin-top: 0; }

.live-date {
  font-family: var(--latin);
  text-align: left;
  align-self: start;
}
.live-date .month {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--muted);
  text-transform: uppercase;
}
.live-date .day {
  display: block;
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1.15;
}
.live-date .dow {
  display: block;
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.25em;
  text-transform: uppercase;
}

.live-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}
.live-info .venue { color: var(--fg); font-size: 0.92rem; font-weight: 500; }
.live-info .detail {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 8px;
}

.live-item.is-past { opacity: .6; }

.live-note {
  text-align: left;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 48px;
}

/* データ未登録・読み込み失敗時の案内 */
.data-note {
  color: var(--muted);
  font-size: .9rem;
  padding: 26px 4px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- ディスコグラフィー ---------- */
.disc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 32px;
}

.disc-item {
  background: var(--card);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: border-color 0.3s;
}
.disc-item:hover { border-color: var(--fg); }

.disc-art {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  font-family: var(--latin);
  font-size: 0.72rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: rgba(246, 245, 241, 0.65);
}
/* ジャケット未設定時のプレースホルダー(モノトーン) */
.disc-art.tone-1 { background: linear-gradient(150deg, #262626, #4a4a48); }
.disc-art.tone-2 { background: linear-gradient(150deg, #3a3a38, #5c5c58); }
.disc-art.tone-3 { background: linear-gradient(150deg, #1c1c1c, #3e3e3c); }

.disc-body { padding: 22px 24px 26px; }
.disc-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}
.disc-body .disc-meta {
  font-family: var(--latin);
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 6px 0 12px;
}
.disc-body p { color: var(--muted); font-size: 0.88rem; }

/* ---------- メンバーシップ(WORKS) ---------- */
.membership {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
  background: var(--fg);
  color: var(--bg);
  padding: 52px 56px;
}

.membership-head .en {
  display: block;
  font-family: var(--latin);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  line-height: 1.2;
}
.membership-head h2 {
  font-size: .8rem;
  font-weight: 400;
  letter-spacing: .3em;
  color: rgba(246, 245, 241, .6);
  margin-top: 8px;
}

.membership-price {
  font-family: var(--latin);
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: .01em;
}
.membership-price small {
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: rgba(246, 245, 241, .6);
  margin-left: 6px;
}

.membership-lead {
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: .06em;
  margin-top: 14px;
}
.membership-detail {
  font-size: .88rem;
  color: rgba(246, 245, 241, .68);
  margin-top: 10px;
}
.membership-note {
  font-size: .78rem;
  color: rgba(246, 245, 241, .55);
  margin-top: 16px;
  line-height: 1.85;
}
.membership-note a { color: rgba(246, 245, 241, .85); border-bottom: 1px solid rgba(246, 245, 241, .3); }
.membership-note a:hover { color: var(--bg); }
.membership-note.is-ng { color: #f0a89b; }

.membership .btn {
  margin-top: 26px;
  border-color: var(--bg);
  color: var(--bg);
}
.membership .btn:hover {
  background: var(--bg);
  color: var(--fg);
}

/* ---------- ピックアップ(WORKS) ---------- */
.pickup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.pickup {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--fg);
  overflow: hidden;
  transition: border-color .3s, transform .3s;
}
a.pickup:hover {
  border-color: var(--fg);
  color: var(--fg);
  transform: translateY(-3px);
}

/* 写真。images/ に置くだけで反映され、未設定でも崩れない */
.pickup-photo {
  aspect-ratio: 3 / 4;
  background-color: #e7e3d9;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.pickup-body { padding: 26px 28px 32px; }

.pickup-no {
  display: block;
  font-family: var(--latin);
  font-size: .78rem;
  font-weight: 500;
  letter-spacing: .3em;
  color: var(--muted);
  margin-bottom: 14px;
}
.pickup h3 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.5;
}
.pickup-link {
  display: inline-block;
  font-family: var(--latin);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 18px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

/* ---------- プロフィール ---------- */
.profile-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}

.profile-photo { align-self: start; }
.profile-photo img {
  width: 100%;
  height: auto;
  filter: saturate(0.85) contrast(1.08);
}

.profile-text p + p { margin-top: 1.3em; }

.bio-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
  border-top: 1px solid var(--fg);
}
.bio-table th, .bio-table td {
  text-align: left;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-weight: 400;
}
.bio-table th {
  width: 130px;
  font-family: var(--latin);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  white-space: nowrap;
  padding-top: 22px;
}

/* ---------- レッスン ---------- */
.lesson-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 26px;
}
.lesson-grid .card + .card { margin-top: 0; }

/* 受付状況のラベル(満枠 / 受付中) */
.lesson-status {
  display: inline-block;
  font-family: var(--latin);
  font-size: .7rem;
  font-weight: 500;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 1px 12px;
  margin-bottom: 12px;
}
.lesson-status.is-open {
  color: var(--bg);
  background: var(--fg);
  border-color: var(--fg);
}

/* ---------- お問い合わせ ---------- */
.contact-form { max-width: 640px; }

.form-row { margin-bottom: 28px; }
.form-row label {
  display: block;
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  margin-bottom: 10px;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 0;
  color: var(--fg);
  font-family: inherit;
  font-size: 1rem;
  padding: 14px 16px;
  transition: border-color 0.25s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--fg);
}
.form-row textarea { min-height: 180px; resize: vertical; }

/* 迷惑メール対策の入力欄(画面には出しません) */
.honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-message {
  margin-top: 20px;
  text-align: center;
  font-size: .9rem;
  min-height: 1.6em;
}
.form-message.is-ok { color: #2f6d4f; }
.form-message.is-ng { color: #b0402f; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--fg);
  color: var(--fg);
  background: transparent;
  font-family: var(--latin);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  padding: 16px 54px;
  border-radius: 0;
  cursor: pointer;
  transition: background 0.3s, color 0.3s;
}
.btn:hover {
  background: var(--fg);
  color: var(--bg);
}

.center { text-align: center; }

/* ---------- トップページ: 導線カード ---------- */
.gateway-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 26px;
}
.gateway {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 36px 30px;
  color: var(--fg);
  transition: border-color 0.3s;
}
.gateway:hover {
  border-color: var(--fg);
  color: var(--fg);
}
.gateway .en {
  display: block;
  font-family: var(--latin);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.gateway .ja {
  font-size: 0.78rem;
  letter-spacing: 0.25em;
  color: var(--muted);
}
.gateway p {
  margin-top: 14px;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------- フッター ---------- */
.site-footer {
  padding: 60px 0 48px;
  text-align: center;
  background: var(--fg);
  color: var(--bg);
}

.footer-nav ul {
  display: flex;
  justify-content: center;
  gap: 28px;
  list-style: none;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.footer-nav a {
  font-family: var(--latin);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(246, 245, 241, 0.65);
}
.footer-nav a:hover { color: var(--bg); }

.sns-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 28px;
}
.sns-links a {
  font-family: var(--latin);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(246, 245, 241, 0.65);
}
.sns-links a:hover { color: var(--bg); }

.footer-legal {
  font-size: .74rem;
  letter-spacing: .1em;
  margin-bottom: 12px;
}
.footer-legal a {
  color: rgba(246, 245, 241, .55);
  border-bottom: 1px solid rgba(246, 245, 241, .2);
  padding-bottom: 2px;
}
.footer-legal a:hover { color: var(--bg); border-bottom-color: var(--bg); }

.copyright {
  font-family: var(--latin);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: rgba(246, 245, 241, 0.45);
}

/* ---------- 特定商取引法に基づく表記 ---------- */
.legal-table th { width: 190px; }
.legal-table td { font-size: .92rem; }
.legal-note {
  display: inline-block;
  font-size: .8rem;
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 720px) {
  .legal-table th, .legal-table td { display: block; width: auto; }
  .legal-table th { padding-bottom: 2px; border-bottom: none; }
  .legal-table td { padding-top: 0; }
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 720px) {
  section { padding: 60px 0; }

  /* スマホでは通信量を抑えるため動画を読み込まず、静止画を薄く敷く */
  .hero {
    min-height: 60vh;
    padding: 64px 0;
    background:
      linear-gradient(rgba(246, 245, 241, .88), rgba(246, 245, 241, .88)),
      url('../images/hero-poster.jpg') center / cover no-repeat;
  }
  .hero-video { display: none; }
  .hero-overlay { display: none; }
  .hero-text { max-width: none; }

  .header-inner {
    display: block;
    padding: 16px 0 12px;
    text-align: center;
  }
  .global-nav { margin-top: 12px; }
  .global-nav ul { justify-content: center; gap: 12px 20px; }

  .page-head { padding: 70px 0 56px; }

  .membership {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 38px 28px;
  }
  .pickup-grid { grid-template-columns: 1fr; gap: 20px; }
  .pickup-body { padding: 22px 24px 26px; }

  .profile-grid { grid-template-columns: 1fr; gap: 40px; }
  .profile-photo { max-width: 320px; }

  .live-item { grid-template-columns: 1fr; }
  .live-date {
    display: flex;
    align-items: baseline;
    gap: 12px;
  }
  .live-date .day { font-size: 1.8rem; }
}