/* =========================================
   千年の流儀 — Stylesheet
   ========================================= */

/* ── RESET & CUSTOM PROPERTIES ─────────── */

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

:root {
  --w:    #FFFFFF;        /* base white */
  --btn:  #ebfc49;        /* accent button */
  --b:    #0C0C0C;        /* near black */
  --y:    #ebfc49;        /* accent yellow */
  --gd:   #76766F;        /* gray dark — secondary text */
  --gl:   #E8E8E4;        /* gray light — borders */
  --jp:   'Noto Sans JP', sans-serif;
  --en:   'Inter', sans-serif;
  --mono: 'Inconsolata', monospace;
  --px:   clamp(24px, 5vw, 72px);   /* horizontal padding */
}


/* ── BASE ───────────────────────────────── */

html, body {
  background-color: #FFFFFF !important;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--w);
  color: var(--b);
  font-family: var(--jp);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

mark {
  background: none;
  color: inherit;
}


/* ── NAV (hidden) ───────────────────────── */

nav { display: none !important; }
nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  padding: 22px var(--px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(0,0,0,.05);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--b);
}

.nav-mark {
  width: 9px;
  height: 9px;
  background: var(--y);
  flex-shrink: 0;
}

.nav-title {
  font-family: var(--jp);
  font-weight: 700;
  font-size: .85rem;
  letter-spacing: .05em;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 22px;
}

.nav-links a {
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gd);
  text-decoration: none;
  transition: color .2s;
}

.nav-links a:hover { color: var(--b); }


/* ── HERO ───────────────────────────────── */

#hero {
  min-height: 100svh;
  padding: 0 var(--px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

#hero::before {
  display: none; /* ドットグリッド廃止 */
}

.hero-body {
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  font-family: var(--jp);
  font-weight: 700;
  font-size: clamp(20px, 2.8vw, 38px);
  letter-spacing: .04em;
  color: var(--b);
  margin-bottom: 24px;
}

.hero-h1 {
  font-family: var(--jp);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.06;
}

.hero-l1 {
  display: block;
  font-size: clamp(14px, 1.8vw, 24px);
  font-weight: 300;
  letter-spacing: .03em;
  color: var(--gd);
  margin-bottom: 6px;
}

.hero-l2 {
  display: block;
  font-size: clamp(68px, 12vw, 158px);
  font-weight: 900;
}

.hero-l2 mark {
  background: none;
  color: var(--b);
  text-decoration: none;
  position: relative;
  display: inline-block;
}

/* yellow underline — brand anchor */
.hero-l2 mark::after {
  content: '';
  position: absolute;
  bottom: max(-6px, -0.07em);
  left: 0;
  width: 100%;
  height: 5px;
  background: var(--y);
  transform-origin: left center;
  animation: underline-draw .65s ease-out both;
  animation-delay: .8s;
}

@keyframes underline-draw {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  right: var(--px);
  z-index: 1;
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gd);
  display: flex;
  align-items: center;
  gap: 10px;
}

.scroll-line {
  width: 44px;
  height: 1px;
  background: var(--gl);
  position: relative;
  overflow: hidden;
}

.scroll-line::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--y);
  transform: translateX(-100%);
  animation: slide 2.4s ease-in-out infinite;
}

@keyframes slide {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}




/* ── CTAセクション（フル幅背景帯、枠線なし） ── */

#contact {
  background: #F5F5F5;
  padding: clamp(80px, 11vw, 140px) var(--px);
}

.cta-card {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cc-title {
  font-family: var(--jp);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  color: var(--b);
  letter-spacing: -.01em;
  line-height: 1.35;
  margin-bottom: 24px;
}

.cc-text {
  font-family: var(--jp);
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 2.1;
  letter-spacing: .04em;
  color: var(--gd);
  margin-bottom: 28px;
}

.cc-btns {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  max-width: 360px;
  margin: 0 auto;
}

.cc-btn-wrap {
  width: 100%;
}

/* 主CTA：#ebfc49・フル幅 */
.cc-btn-primary {
  display: block;
  width: 100%;
  background-color: var(--y);
  color: #111;
  font-family: var(--jp);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: .08em;
  text-decoration: none;
  padding: 18px 36px;
  text-align: center;
  transition: background-color .22s ease;
}
.cc-btn-primary:hover {
  background-color: #d4e83e;
}

/* 副CTA：アウトライン */
.cc-btn-secondary {
  display: block;
  width: 100%;
  background-color: transparent;
  color: #333;
  font-family: var(--jp);
  font-size: .85rem;
  font-weight: 400;
  letter-spacing: .08em;
  text-decoration: none;
  padding: 13px 36px;
  text-align: center;
  border: 1px solid #333;
  transition: background-color .22s ease, color .22s ease;
}
.cc-btn-secondary:hover {
  background-color: #111;
  color: #fff;
}

.cc-note {
  font-family: var(--jp);
  font-size: .72rem;
  color: var(--gd);
  text-align: center;
  letter-spacing: .02em;
  line-height: 1.7;
  margin-top: 14px;
}

.cc-note-link {
  color: inherit;
  text-decoration: underline;
}


.section-cap {
  font-family: var(--jp);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 96px);
  letter-spacing: -.02em;
  color: var(--b);
  line-height: 1.1;
  margin-bottom: 40px;
}

.section-text {
  font-family: var(--jp);
  font-weight: 300;
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 2.1;
  letter-spacing: .04em;
  color: var(--gd);
  max-width: 640px;
  margin-bottom: 40px;
}

.section-btn {
  display: inline-block;
  border: 1px solid var(--b);
  padding: 14px 36px;
  font-family: var(--jp);
  font-weight: 400;
  font-size: .88rem;
  letter-spacing: .08em;
  text-decoration: none;
  color: var(--b);
  transition: background-color .22s ease, color .22s ease;
}
/* リンク設定済みのときだけホバー */
.section-btn[href]:not([href=""]):hover {
  background-color: var(--b);
  color: var(--w);
}
/* 未設定（href なし）は非アクティブ表示 */
.section-btn:not([href]) {
  opacity: .45;
  cursor: default;
  pointer-events: none;
}

/* 主ボタン：黒塗り */
.btn-primary {
  background-color: var(--b);
  color: var(--w);
  border-color: var(--b);
}
.btn-primary[href]:not([href=""]):hover {
  background-color: transparent;
  color: var(--b);
}
.btn-primary:not([href]) {
  background-color: var(--b);
  color: var(--w);
  opacity: .4;
}

/* CTA 2列レイアウト */
.contact-cta {
  display: flex;
  gap: 40px 64px;
  align-items: flex-start;
  flex-wrap: wrap;
}

.cta-item {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.cta-desc {
  font-family: var(--jp);
  font-weight: 300;
  font-size: .78rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--gd);
  max-width: 280px;
}


/* ── NEWS ───────────────────────────────── */

#news {
  padding: clamp(64px, 9vw, 110px) var(--px);
}

.news-cap {
  font-family: var(--jp);
  font-size: clamp(16px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--b);
  margin-bottom: 32px;
  line-height: 1;
}

.news-list {
  list-style: none;
  max-width: 680px;
}

.news-item {
  border-bottom: 1px solid rgba(0,0,0,.08);
}
.news-item:first-child {
  border-top: 1px solid rgba(0,0,0,.08);
}

.news-link {
  display: flex;
  align-items: baseline;
  gap: 28px;
  padding: 14px 0;
  text-decoration: none;
  color: var(--b);
}
/* リンク未設定時はクリック不可 */
.news-link:not([href]) {
  cursor: default;
  pointer-events: none;
}
/* リンク設定済みの場合だけホバー効果 */
.news-link[href]:not([href=""]):hover .news-title {
  opacity: .55;
}
.news-link[href]:not([href=""]):hover .news-date {
  opacity: .55;
}

.news-date {
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .08em;
  color: var(--gd);
  flex-shrink: 0;
  transition: opacity .2s ease;
}

.news-title {
  font-family: var(--jp);
  font-weight: 300;
  font-size: .92rem;
  line-height: 1.7;
  letter-spacing: .02em;
  transition: opacity .2s ease;
}


/* ── INTRO ──────────────────────────────── */

#intro {
  padding: clamp(80px, 13vw, 180px) var(--px)
           clamp(80px, 13vw, 180px)
           clamp(80px, 14vw, 200px);
}

#intro::before {
  display: none;
}

.intro-p {
  font-family: var(--jp);
  font-weight: 300;
  font-size: clamp(14px, 1.1vw, 16px);
  line-height: 2.1;
  letter-spacing: .04em;
  max-width: 700px;
}

.intro-p strong {
  font-weight: 700;
  display: block;
  font-size: clamp(18px, 2vw, 26px);
  letter-spacing: -.01em;
  margin-bottom: 28px;
  color: var(--b);
}


/* ── MEMBERS ────────────────────────────── */

#members {
  padding: clamp(80px, 10vw, 140px) var(--px);
}

.members-cap {
  font-family: var(--jp);
  font-weight: 900;
  font-size: clamp(40px, 7vw, 96px);
  letter-spacing: -.02em;
  color: var(--b);
  margin-bottom: 60px;
  line-height: 1;
  display: inline-block;
  position: relative;
}

.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 80px;
  align-items: start;
}

.m1, .m2, .m3, .m4, .m5 {
  overflow: hidden;
  cursor: pointer;
  transition: transform .28s ease, background-color .28s ease, padding .28s ease;
}

/* PC hover only — (hover: hover) excludes touch devices */
@media (hover: hover) and (pointer: fine) {
  /* 常時パディングを設けてホバー時の黄色背景に余白を確保 */
  .m1, .m2, .m3, .m4, .m5 {
    padding: 20px;
  }
  .m1:hover, .m2:hover, .m3:hover, .m4:hover, .m5:hover {
    transform: translateY(-6px);
    background-color: var(--y);
  }
  .member-photo img {
    transition: transform .28s ease;
  }
  .m1:hover .member-photo img,
  .m2:hover .member-photo img,
  .m3:hover .member-photo img,
  .m4:hover .member-photo img,
  .m5:hover .member-photo img {
    transform: scale(1.05);
  }
  .m1:hover .member-name,
  .m2:hover .member-name,
  .m3:hover .member-name,
  .m4:hover .member-name,
  .m5:hover .member-name {
    font-weight: 900;
    color: var(--b);
  }
  /* "..." グラデーション背景を黄色に合わせて更新 */
  .m1:hover .member-note.is-truncatable::after,
  .m2:hover .member-note.is-truncatable::after,
  .m3:hover .member-note.is-truncatable::after,
  .m4:hover .member-note.is-truncatable::after,
  .m5:hover .member-note.is-truncatable::after {
    background: linear-gradient(to right, transparent, var(--y) 45%);
  }
}

.member-photo {
  float: left;
  width: clamp(120px, 33%, 160px);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  position: relative;
  margin-right: 28px;
  margin-bottom: 8px;
}

.m1 .member-photo { background: #D5D4CF; }
.m2 .member-photo { background: #CFCFCA; }
.m3 .member-photo { background: #D9D7D1; }
.m4 .member-photo { background: #CCCBC5; }
.m5 .member-photo { background: #D3D2CC; }

.member-photo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.member-title {
  font-family: var(--jp);
  font-weight: 400;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--gd);
  margin-bottom: 6px;
  padding-top: 2px;
}

.member-name {
  font-family: var(--jp);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.3;
  margin-bottom: 6px;
}

.member-role {
  font-family: var(--mono);
  font-size: .56rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--gd);
  margin-bottom: 16px;
}

.member-note {
  font-family: var(--jp);
  font-weight: 300;
  font-size: .75rem;
  line-height: 1.8;
  color: var(--gd);
  max-height: 2.7rem;
  overflow: hidden;
  position: relative;
  transition: max-height .3s ease;
}

.member-note.is-truncatable::after {
  content: '...';
  position: absolute;
  bottom: 0;
  right: 0;
  padding-left: 28px;
  background: linear-gradient(to right, transparent, var(--w) 45%);
  color: var(--gd);
  font-size: .75rem;
  line-height: 1.8;
  pointer-events: none;
  transition: opacity .2s ease;
}

.m1:hover .member-note,
.m2:hover .member-note,
.m3:hover .member-note,
.m4:hover .member-note,
.m5:hover .member-note {
  max-height: 9999px;
}

.m1:hover .member-note::after,
.m2:hover .member-note::after,
.m3:hover .member-note::after,
.m4:hover .member-note::after,
.m5:hover .member-note::after {
  opacity: 0;
}

/* スマホ：タップ展開時の背景ハイライト */
.m1.tap-open, .m2.tap-open, .m3.tap-open, .m4.tap-open, .m5.tap-open {
  background-color: #ebfc49;
}

@media (hover: none) {
  /* 未タップ：写真に軽い浮きを付けて"触れられる対象"感を演出 */
  .m1 .member-photo, .m2 .member-photo, .m3 .member-photo,
  .m4 .member-photo, .m5 .member-photo {
    box-shadow: 0 4px 14px rgba(0,0,0,.13);
    transition: box-shadow .28s ease;
  }

  /* タップ時：黄色背景が余白ごと広がる拡張演出 */
  .m1.tap-open, .m2.tap-open, .m3.tap-open, .m4.tap-open, .m5.tap-open {
    padding: 20px;
  }

  /* tap-open 中は写真の浮きを消してコンテンツを落ち着かせる */
  .m1.tap-open .member-photo, .m2.tap-open .member-photo, .m3.tap-open .member-photo,
  .m4.tap-open .member-photo, .m5.tap-open .member-photo {
    box-shadow: none;
  }
}


/* ── COMING SOON ────────────────────────── */

#coming {
  background: #FFFFFF;
  text-align: center;
  padding: clamp(120px, 18vw, 240px) var(--px) clamp(100px, 14vw, 180px);
  position: relative;
  overflow: hidden;
}

.coming-signal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--jp);
  font-size: clamp(16px, 2vw, 26px);
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--b);
  margin-bottom: 64px;
}

.coming-signal .dot {
  display: none;
}

.coming-title {
  font-family: var(--jp);
  font-weight: 900;
  font-size: clamp(56px, 10vw, 128px);
  line-height: 1.45;
  letter-spacing: .04em;
  color: var(--b);
  margin-bottom: 8px;
  text-align: center;
}

.coming-title::before {
  display: none;
}

.coming-year {
  font-family: var(--mono);
  font-size: clamp(16px, 2.8vw, 38px);
  letter-spacing: .1em;
  color: rgba(0,0,0,.2);
  margin-bottom: 52px;
  text-align: center;
}

.coming-note {
  font-family: var(--jp);
  font-weight: 300;
  font-size: .88rem;
  letter-spacing: .06em;
  color: var(--gd);
  text-align: center;
}


/* ── NOTE LINK ───────────────────────────── */

.note-link-wrap {
  text-align: center;
  padding: clamp(40px, 6vw, 72px) var(--px);
  background: #FFFFFF;
}

.note-link {
  font-family: var(--jp);
  font-size: clamp(15px, 1.2vw, 18px);
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--b);
  text-decoration: none;
  border-bottom: 1px solid var(--b);
  padding-bottom: 2px;
  transition: color .2s ease, border-color .2s ease;
}

.note-link:hover {
  color: #ebfc49;
  border-color: #ebfc49;
}


/* ── FOOTER ─────────────────────────────── */

footer {
  background: var(--b);
  padding: 36px var(--px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 9px;
}

.footer-mark {
  display: none;
}

.footer-name {
  font-family: var(--jp);
  font-weight: 700;
  font-size: .82rem;
  color: #ffffff;
  letter-spacing: .04em;
}

.footer-link {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.footer-sns {
  display: none;
}


/* ── SCROLL REVEAL ──────────────────────── */

.rv {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .95s cubic-bezier(.16,1,.3,1),
              transform .95s cubic-bezier(.16,1,.3,1);
}

.rv.in { opacity: 1; transform: none; }

.d1 { transition-delay: .1s; }
.d2 { transition-delay: .22s; }
.d3 { transition-delay: .36s; }
.d4 { transition-delay: .5s; }
.d5 { transition-delay: .65s; }


/* sp-br: PC非表示・スマホのみ改行 */
.sp-br { display: none; }


/* ── MEMBERS HEADING UNDERLINE ──────────── */
/* .members-cap の rv に .in が付いた瞬間に描画。タイトル下線と同一仕様 */

.members-cap.in::after {
  content: '';
  position: absolute;
  bottom: max(-6px, -0.07em);
  left: 0;
  width: 100%;
  height: 5px;
  background: #ebfc49;
  transform-origin: left center;
  animation: underline-draw .65s ease-out both;
}


/* ── RESPONSIVE ─────────────────────────── */

@media (max-width: 860px) {
  .members-grid {
    grid-template-columns: 1fr;
    gap: 60px;
  }
}

@media (max-width: 640px) {
  /* 写真 */
  .member-photo {
    float: none;
    width: 56%;
    margin: 0 auto 14px;
    display: block;
  }

  /* メンバーカード中央寄せ */
  .m1, .m2, .m3, .m4, .m5 {
    text-align: center;
  }

  /* イントロの左パディングをリセット（右寄り解消） */
  #intro {
    padding-left: var(--px);
  }

  /* 千年の流儀：スマホで「千年の／流儀」に改行 */
  .sp-br {
    display: block;
  }

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