/* ========== Theme tokens ========== */
:root{
  /* Light tokens */
  --bg: #ffffff;
  --text: #0a0a0a;
  --muted: #667085;
  --accent: #1e3a8a;          /* 深藍 */
  --accent-2: #facc15;        /* 黄 */
  --line: color-mix(in oklab, var(--text) 12%, transparent);
  --btn-bg: #111827;          /* 黒系 */
  --btn-fg: #ffffff;          /* 白 */
  --ring: rgba(30,58,138,.35);
  --ease: cubic-bezier(.22,.61,.36,1);
}
body.dark{
  /* Dark tokens */
  --bg: #0b1020;
  --text: #f5f7ff;
  --muted: #a3a8b3;
  --accent: #3b82f6;          /* 青 */
  --accent-2: #facc15;        /* 黄 */
  --line: color-mix(in oklab, var(--text) 18%, transparent);
  --btn-bg: #f5f7ff;          /* 白 */
  --btn-fg: #0a0a0a;          /* 黒 */
  --ring: rgba(59,130,246,.35);
}

/* ========== Base ========== */
*{ box-sizing: border-box; }
html,body{ height:100%; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
               "Hiragino Kaku Gothic ProN", "Noto Sans JP", Arial;
  color: var(--text);

  /* 🎨 全ページ共通の黄×青パステル */
  background: radial-gradient(circle at 20% 30%, #fffbe7 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, #e7f7ff 0%, transparent 45%),
              #ffffff;
  background-attachment: fixed;

  transition: background-color .45s var(--ease), color .45s var(--ease);
}
body.dark{ background:#000; color: var(--text); }

.container{ max-width: 1120px; margin: 1.2rem auto 3rem; padding: 0 1rem; }

/* ===== Fixed Header (always on top) ===== */
:root{
  --header-h: 72px; /* ヘッダー高さ：必要なら調整 */
}

.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;                 /* 前面に */
  height: var(--header-h);
  background: rgba(255,255,255,.86);  /* Light */
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 10px rgba(0,0,0,.06);
  transform: none;               /* 追従/隠しのtransformは使わない */
  transition: background-color .35s var(--ease),
              box-shadow .35s var(--ease),
              backdrop-filter .35s var(--ease);
}

body.dark .site-header{
  background: rgba(20,20,40,.86);      /* Dark */
  box-shadow: 0 2px 16px rgba(0,0,0,.35);
}

.site-header .wrap{
  max-width: 1200px;
  margin: 0 auto;
  height: 100%;
  padding: 0 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* compact/hide クラスの影響を打ち消し（JSが付けても見た目が変わらないように） */
.site-header.is-compact,
body:not(.dark) .site-header.is-compact{
  background: inherit;
  box-shadow: inherit;
  backdrop-filter: inherit;
}
.site-header.is-compact .logo-icon{ height: 40px; }  /* 任意：通常サイズ維持 */
.site-header.is-compact .logo-text{ font-size: 1.6rem; }
.site-header.is-hidden{ transform: none; } /* 隠さない */

/* 本文がヘッダーの下に潜らないように上余白を確保 */
body{
  padding-top: calc(var(--header-h) + env(safe-area-inset-top));
}

/* Brand */
.brand{ display:flex; align-items:center; gap:.6rem; text-decoration:none; }
.logo-icon{ height:40px; width:auto; object-fit:contain; }
@media (min-width:640px){ .logo-icon{ height:48px; } }
@media (min-width:1024px){ .logo-icon{ height:56px; } }
.logo-text{
  font-family: "Georgia","Times New Roman","Noto Serif JP", serif;
  font-size: 1.6rem; font-weight:600; letter-spacing:.5px;
  color:#111; transition: color .3s var(--ease);
}
body.dark .logo-text{ color:#fff; }

/* Nav */
.nav{ display:flex; gap:1.5rem; font-size:1rem; transition: font-size .35s var(--ease), gap .35s var(--ease); }
.site-header.is-compact .nav{ font-size:.9rem; gap:1.1rem; }

.nav a{
  position:relative; padding:.4rem .6rem; border-radius:.5rem;
  color:var(--muted); text-decoration:none; overflow:hidden;
}
.nav a::after{
  content:""; position:absolute; left:0; bottom:0; width:100%; height:2px;
  background: skyblue; transform:scaleX(0); transform-origin:left;
  transition: transform .3s var(--ease), background-color .3s var(--ease);
}
body.dark .nav a::after{ background: var(--accent-2); }
.nav a:hover::after{ transform: scaleX(1); }
.nav a:hover{ color:var(--text); }

/* ========== Theme Switch (iOS風) ========== */
.theme-switch{
  --w:56px; --h:32px; --pad:3px; --thumb: calc(var(--h) - var(--pad)*2);
  --on:#2b2f36; --off:#e5e7eb;
  display:inline-flex; align-items:center; cursor:pointer; -webkit-tap-highlight-color: transparent;
}
.theme-switch input{ position:absolute; opacity:0; width:0; height:0; pointer-events:none; }
.theme-switch .track{
  width:var(--w); height:var(--h); border-radius:999px; background:var(--off);
  position:relative; transition: background-color .28s var(--ease), box-shadow .28s var(--ease);
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.05);
}
.theme-switch .thumb{
  width:var(--thumb); height:var(--thumb); border-radius:50%; position:absolute; top:var(--pad); left:var(--pad);
  background:#fff; box-shadow: 0 2px 8px rgba(0,0,0,.25); transition: transform .28s var(--ease);
}
.theme-switch input:checked + .track{ background: var(--on); }
.theme-switch input:checked + .track .thumb{ transform: translateX(calc(var(--w) - var(--thumb) - var(--pad)*2)); }
.theme-switch:has(input:focus-visible) .track{ box-shadow: 0 0 0 4px var(--ring), inset 0 0 0 1px rgba(255,255,255,.08); }

/* ========== Buttons ========== */
.btn{
  appearance:none; padding:.55rem .8rem; border-radius:.6rem;
  border:1px solid var(--line); background:var(--btn-bg); color:var(--btn-fg);
  cursor:pointer; font-weight:600;
}
.btn.ghost{
  background: color-mix(in oklab, var(--bg) 65%, transparent);
  color: var(--text);
}
.btn.arrow{
  width:36px; height:36px; display:flex; align-items:center; justify-content:center;
  font-size:1.1rem; font-weight:700; border-radius:50%;
  background: color-mix(in oklab, var(--bg) 80%, transparent);
  border:1px solid var(--line); color:var(--text);
  transition: background .25s var(--ease), transform .25s var(--ease);
}
.btn.arrow:hover{ background: color-mix(in oklab, var(--bg) 95%, transparent); transform: scale(1.1); }
body.dark .btn.arrow{ background: rgba(255,255,255,.08); }
body.dark .btn.arrow:hover{ background: rgba(255,255,255,.15); }

/* ========== Starfield ========== */
#starfield{
  position: fixed; inset: 0; width:100%; height:100%;
  opacity:0; transition: opacity .45s var(--ease);
  pointer-events:none; z-index:0;
}
body.dark #starfield.is-visible{ opacity:1; }

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

/* ========== Hero & Carousel ========== */
.hero{
  position:relative; overflow:clip;
  background: linear-gradient(180deg, color-mix(in oklab, var(--accent) 10%, transparent), transparent 40%);
}
body.dark .hero{
  background: radial-gradient(120% 60% at 50% -20%, rgba(11,27,59,.6) 0%, rgba(2,6,23,.2) 60%, transparent 100%);
}
.hero-inner{ max-width:1200px; margin:0 auto; padding: 1.2rem 1rem 2rem; }

.carousel{
  position:relative; height: clamp(240px, 48vw, 520px);
  border-radius:16px; perspective:1400px;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  box-shadow: 0 10px 28px color-mix(in oklab, var(--accent) 18%, transparent);
}
.slide{
  position:absolute; inset:0; display:grid; grid-template-rows:1fr auto;
  border-radius:16px; overflow:hidden; backface-visibility:hidden; transform-style:preserve-3d;
  opacity:0; pointer-events:none;
}
.slide.is-current{ opacity:1; pointer-events:auto; }
.slide img{ width:100%; height:100%; object-fit:cover; display:block; }
.slide figcaption{ padding:.8rem 1rem; background:linear-gradient(180deg,#0000,#0008); color:#fff; font-weight:600; }

/* Flip animation */
@keyframes pageFlipNextOut { 0%{transform-origin:right center; transform:rotateY(0); opacity:1;} 100%{transform-origin:right center; transform:rotateY(-88deg); opacity:.2;} }
@keyframes pageFlipNextIn  { 0%{transform-origin:left center; transform:rotateY(88deg);  opacity:.2;} 100%{transform-origin:left center; transform:rotateY(0); opacity:1;} }
@keyframes pageFlipPrevOut { 0%{transform-origin:left center; transform:rotateY(0); opacity:1;} 100%{transform-origin:left center; transform:rotateY(88deg); opacity:.2;} }
@keyframes pageFlipPrevIn  { 0%{transform-origin:right center; transform:rotateY(-88deg); opacity:.2;} 100%{transform-origin:right center; transform:rotateY(0); opacity:1;} }
.slide.leave-next{ animation: pageFlipNextOut .65s var(--ease) both; }
.slide.enter-next{ animation: pageFlipNextIn  .65s var(--ease) both; }
.slide.leave-prev{ animation: pageFlipPrevOut .65s var(--ease) both; }
.slide.enter-prev{ animation: pageFlipPrevIn  .65s var(--ease) both; }

.ctrl{
  position:absolute; inset:0; display:flex; align-items:center; justify-content:space-between;
  padding:.6rem; pointer-events:none; z-index:3;
}
.ctrl .btn{ pointer-events:auto; }

.seg-progress{
  display:flex; gap:16px; justify-content:space-between; align-items:center;
  margin:14px auto 0; padding:10px 4px 0; max-width:860px;
}
.seg-progress .seg{ flex:1 1 0; height:6px; border-radius:9999px; background: color-mix(in oklab, var(--text) 12%, transparent); }
.seg-progress .seg.is-active{ background: color-mix(in oklab, var(--text) 86%, transparent); }
body.dark .seg-progress .seg{ background:#334155; }
body.dark .seg-progress .seg.is-active{ background:#fff; }

/* ========== Sections / Cards / Lists ========== */
.section{
  margin:2.5rem 0; padding:1.4rem 1.6rem;
  border-radius:16px; border:1px solid var(--line);
  background:#ffffffee; box-shadow:0 8px 24px rgba(0,0,0,.06);
  transition: background-color .35s var(--ease), border-color .35s var(--ease);
}
body.dark .section{
  background:#0f172a; border-color:rgba(255,255,255,.08);
  box-shadow:0 8px 28px rgba(0,0,0,.45);
}
.section-head{ margin-bottom:.8rem; }
.section-head h2{ margin:0; font-size:clamp(1.15rem,1.4vw,1.45rem); line-height:1.25; letter-spacing:.01em; }
.section .muted{ color:var(--muted); margin-top:.25rem; }

.cards{ display:grid; gap:16px; }
.grid-2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
.news-grid{ grid-template-columns: repeat(1, minmax(0,1fr)); }
@media (min-width:720px){ .news-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width:1024px){ .news-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }

.card{
  background:#fff; border:1px solid var(--line);
  border-radius:14px; padding:14px;
  box-shadow:0 8px 20px rgba(0,0,0,.08);
}
body.dark .card{ background: color-mix(in oklab, var(--bg) 88%, transparent); }
.card h3{ margin:.2rem 0 .3rem; font-size:1.05rem; }
.card .kicker{ font-size:.8rem; color:var(--muted); }

/* Members */
.member{ display:grid; grid-template-columns:72px 1fr; gap:12px; align-items:center; }
.member img{ width:72px; height:72px; border-radius:50%; object-fit:cover; border:1px solid var(--line); }
@media (min-width:900px){ .member{ grid-template-columns:80px 1fr; gap:14px; } .member img{ width:80px; height:80px; } }
.member .links{ display:flex; gap:8px; margin-top:4px; }
.member .links a{ color:var(--muted); text-decoration:none; }
.member .links a:hover{ color:var(--text); }

/* News */
.news-card{ display:flex; flex-direction:column; gap:.5rem; }
.news-meta{ display:flex; align-items:center; gap:.5rem; color:var(--muted); font-size:.85rem; }
.news-card .badge{
  font-size:.72rem; padding:.12rem .45rem; border-radius:999px;
  border:1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
}
.news-card .badge.accent{
  border-color: color-mix(in oklab, var(--accent) 35%, transparent);
  background: color-mix(in oklab, var(--accent) 10%, transparent);
  color: color-mix(in oklab, var(--accent) 80%, var(--text));
}
.news-title{ margin:0; font-size:1.05rem; line-height:1.3; }
.news-title a{ color:var(--text); text-decoration:none; }
.news-title a:hover{ text-decoration:underline; }
.news-excerpt{ margin:0; color:var(--muted); }
.news-link{ margin-top:auto; color:var(--text); text-decoration:none; font-weight:600; }
.news-link:hover{ text-decoration:underline; }

.about-lead{ margin:.1rem 0 0; }

body.dark .light-only { display: none; }
body.dark .dark-only { display: inline; }

/* ===== About (full) ===== */
.section.about{ position:relative; overflow:hidden; }
.section.about::before{
  content:""; position:absolute; inset:0 0 auto 0; height:4px;
  background: linear-gradient(90deg, #facc15, #8fb6ff 60%, transparent); opacity:.85;
}
.about-hero{ display:grid; gap:.4rem; }
.about-eyebrow{
  display:inline-block; font-size:.78rem; font-weight:700; letter-spacing:.06em;
  color:var(--muted); text-transform:uppercase;
}
.about-mission{ margin:.1rem 0; font-size:clamp(1.2rem,2.4vw,1.7rem); line-height:1.25; }
.about-mission .hl{
  background: linear-gradient(90deg, #fff3a8, #d7ecff);
  padding:.05em .25em; border-radius:.35em; box-decoration-break:clone;
}
.about-mission .hl {
  background: linear-gradient(90deg, #fff3a8, #d7ecff);
  padding: .05em .25em;
  border-radius: .35em;
  box-decoration-break: clone;
  color: #111; /* ライト用は黒文字 */
}

body.dark .about-mission .hl {
  background: linear-gradient(90deg, #facc15, #3b82f6);
  color: #fff; /* ダーク用は白文字 */
  text-shadow: 0 1px 2px rgba(0,0,0,.6); /* 読みやすく */
}

.about-lead{ margin:.1rem 0 0; }

.about-pillars{ margin-top:14px; display:grid; gap:14px; grid-template-columns:1fr; }
@media (min-width:900px){ .about-pillars{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
.pillar .icon{ font-size:1.4rem; }
.pillar h4{ margin:.3rem 0 .25rem; }
.pillar ul{ margin:.35rem 0 0; padding-left:1.1rem; display:grid; gap:.25rem; }
.pillar ul li{ list-style:"・  "; color:var(--text); }

.about-stats{ margin-top:14px; display:grid; gap:10px; grid-template-columns: repeat(2,minmax(0,1fr)); text-align:center; }
@media (min-width:780px){ .about-stats{ grid-template-columns: repeat(4,minmax(0,1fr)); } }
.stat .num{ font-size:clamp(1.4rem,3.2vw,1.9rem); font-weight:800; }
.stat .num .unit{ font-size:.9rem; margin-left:.1em; }
.stat .cap{ color:var(--muted); }

.about-timeline{ margin-top:14px; }
.timeline{ margin:0; padding:0; list-style:none; }
.timeline li{
  display:grid; grid-template-columns: 92px 1fr;
  gap:14px; padding:10px 0; border-bottom:1px dashed var(--line);
}
.timeline li:last-child{ border-bottom:none; }
.timeline time{ font-weight:700; color:var(--muted); white-space:nowrap; }
.timeline .t-body strong{ display:block; margin-bottom:.1rem; }

/* ===== Recruit (full) ===== */
.section.recruit{ position:relative; overflow:hidden; }
.section.recruit::before{
  content:""; position:absolute; inset:0 0 auto 0; height:4px;
  background: linear-gradient(90deg, #facc15, #8fb6ff 60%, transparent); opacity:.8;
}
.recruit-wrap{ display:grid; gap:18px; grid-template-columns: 1fr; }
@media (min-width:900px){ .recruit-wrap{ grid-template-columns: 3fr 2fr; gap:22px; } }

/* 左カラム */
.recruit-copy .pill.now{
  display:inline-block; font-size:.72rem; padding:.2rem .6rem;
  border-radius:999px; font-weight:700;
  background: linear-gradient(90deg, #facc15, #f59e0b);
  color:#111; box-shadow:0 2px 6px rgba(0,0,0,.25);
}
body.dark .recruit-copy .pill.now{ color:#fff; text-shadow:0 0 4px rgba(0,0,0,.6); }
.recruit-copy .catch{ margin:.4rem 0 .35rem; font-size:clamp(1.15rem,2.2vw,1.6rem); line-height:1.25; }
.recruit .bullets{ margin:.6rem 0 .6rem; padding-left:1rem; display:grid; gap:.35rem; }
.recruit .bullets li{ list-style:"✦  "; }
.recruit .tags{ display:flex; flex-wrap:wrap; gap:6px; margin-top:.3rem; }
.recruit .tag{
  font-size:.75rem; padding:.2rem .5rem; border-radius:999px;
  color:var(--muted); border:1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
}

/* 右カラム（応募カード） */
.recruit-card{
  border:1px solid var(--line); border-radius:14px;
  background: color-mix(in oklab, var(--bg) 88%, transparent);
  box-shadow:0 10px 24px rgba(0,0,0,.08);
  padding:14px; display:flex; flex-direction:column; gap:.6rem;
}
body.dark .recruit-card{
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  box-shadow:0 10px 28px rgba(0,0,0,.35);
}
.recruit-card .card-head{ display:flex; align-items:center; gap:.6rem; margin-bottom:.2rem; }
.recruit-card .card-head img{ width:34px; height:34px; object-fit:contain; filter: drop-shadow(0 1px 2px rgba(0,0,0,.25)); }
.recruit-card h4{ margin:0; font-size:1.05rem; }
.recruit-card .reqs{ margin:.2rem 0 .2rem; padding-left:1rem; display:grid; gap:.35rem; }
.recruit-card .reqs li{ list-style:"・  "; color:var(--text); }
.recruit-card .btn.cta{
  display:inline-flex; justify-content:center; align-items:center;
  margin-top:.2rem; padding:.65rem .9rem; border-radius:.65rem; font-weight:700;
  background: var(--btn-bg); color: var(--btn-fg); border:1px solid var(--line);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.recruit-card .btn.cta:hover{ transform: translateY(-1px); box-shadow:0 6px 16px rgba(0,0,0,.18); }
.recruit-card .fine{ margin:0; font-size:.8rem; color:var(--muted); }

/* ===== Footer (classic 3-col layout) ===== */
.site-footer.footer-classic{
  position: relative; z-index:50;
  background: color-mix(in oklab, var(--bg) 96%, transparent);
  border-top: 1px solid var(--line);
  padding-top: 0;
}
body.dark .site-footer.footer-classic{ background:#0b1020; }

/* 上端の細いカラーバー（黄→青） */
.footer-accent{
  height: 6px;
  background: linear-gradient(90deg, #fff3a8, #a7d3ff 60%, transparent);
  opacity: .9;
}

.footer-grid{
  display:grid;
  grid-template-columns: 2fr 2fr 1.2fr; /* 左広め：中央：右やや狭い */
  gap: 24px;
  padding: 18px 16px 10px;
  max-width:1200px;
  margin:0 auto;
}
@media (max-width: 900px){
  .footer-grid{ grid-template-columns: 1fr 1fr; }
  .footer-cta{ grid-column: 1 / -1; }
}
@media (max-width: 560px){
  .footer-grid{ grid-template-columns: 1fr; }
}

/* Brand */
.brand.mini{ gap:.5rem; text-decoration:none; align-items:center; display:inline-flex; }
.footer-logo-32{
  width:36px; height:36px; object-fit:contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.25));
}
.footer-desc{ margin:.35rem 0 0; color:var(--muted); font-size:.9rem; }

/* 中央ナビ（2列） */
.footer-nav{ display:flex; gap:24px; align-items:flex-start; }
.footer-nav .col{ display:flex; flex-direction:column; gap:.35rem; }
.footer-nav a{
  color: var(--text); text-decoration:none; font-size:.95rem;
  position:relative; padding-bottom:2px;
}
.footer-nav a::after{
  content:""; position:absolute; left:0; bottom:0; height:2px; width:0%;
  background: color-mix(in oklab, var(--accent) 65%, var(--text));
  transition: width .25s var(--ease);
}
.footer-nav a:hover::after{ width:100%; }
body.dark .footer-nav a::after{ background: var(--accent-2); }

/* CTA 右カラム */
.footer-cta{ display:flex; flex-direction:column; gap:.4rem; align-items:flex-start; }
.footer-cta .btn.cta{
  border-radius:999px; padding:.55rem 1rem;
  background: var(--btn-bg); color: var(--btn-fg);
  border:1px solid var(--line);
  box-shadow:0 6px 14px rgba(0,0,0,.12);
}
.footer-cta .btn.cta:hover{ transform: translateY(-1px); }
.footer-cta .muted{ color:var(--muted); font-size:.85rem; }

/* 下段（コピーライト／リーガル） */
.footer-legal{
  max-width:1200px; margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
  padding: 10px 16px 18px;
  border-top: 1px dashed var(--line);
  margin-top: 8px;
  font-size:.9rem;
}
.footer-legal .legal-links{ display:flex; align-items:center; gap:.6rem; }
.footer-legal a{ color: var(--muted); text-decoration:none; }
.footer-legal a:hover{ color: var(--text); text-decoration:underline; }
.footer-legal .to-top{ font-weight:600; }

/* ========== Motion preference ========== */
@media (prefers-reduced-motion: reduce){
  *{ animation:none !important; transition:none !important; }
}
/* Xロゴ付きボタン */
.btn.with-icon {
  display:inline-flex;
  align-items:center;
  gap:.45rem;
}
.icon-x {
  width:16px;
  height:16px;
  object-fit:contain;
  display:block;
}

/* Xロゴ切替（共通） */
.light-only { display:inline; }
.dark-only { display:none; }
body.dark .light-only { display:none; }
body.dark .dark-only { display:inline; }

/* 公式Xリンク（フッター用） */
.footer-social .x-link {
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  color: var(--muted);
  text-decoration:none;
  font-size:.92rem;
  padding:.25rem .5rem;
  border-radius:.5rem;
  border:1px solid transparent;
}
.footer-social .x-link:hover {
  color: var(--text);
  border-color: var(--line);
  background: color-mix(in oklab, var(--bg) 92%, transparent);
}
/*まじで俺が作ってんのかチャットGPTが作ってんのか分からねぇよ;;俺はッ弱いッ!!! なんでもやる代表ちゃうやん...大部分チャットGPTですやん*/