*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Noto Sans JP',sans-serif;background:#fff;color:#1a1a1a;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

/* ===== COLOR VARIABLES ===== */
:root{
  /* ── サイトカラー（管理パネルで変更可能な変数） ── */
  --site-primary:#C0392B;
  --site-primary-dark:#8B1A14;
  --site-primary-deep:#5C0F0F;
  --site-primary-light:#E05A4A;
  --site-primary-pale:#FDECEA;
  --site-accent:#D4900A;
  --site-accent-lt:#F0BB40;

  /* ── 後方互換エイリアス（既存コードはそのまま動く） ── */
  --ej:var(--site-primary); --ej-dark:var(--site-primary-dark);
  --ej-deep:var(--site-primary-deep); --ej-light:var(--site-primary-light);
  --ej-pale:var(--site-primary-pale);
  --gold:var(--site-accent); --gold-lt:var(--site-accent-lt);

  /* ── 明るいベース ── */
  --offwhite:#FFFAF8; --bg-gray:#F9F4F0;
  --text:#1a1a1a; --text-mid:#3a2a2a; --text-mute:#806060;
  --border:#E8D8D0; --white:#FFFFFF;

  /* ── Admin vars ── */
  --adm-bg:#0d0d14; --adm-surface:#151520; --adm-surface2:#1c1c2e;
  --adm-border:rgba(255,255,255,0.08); --adm-accent:#c0392b; --adm-accent2:#e74c3c;
  --adm-text:#f0eee8; --adm-text2:#999890; --adm-text3:#5a5a60;
  --adm-green:#27ae60; --adm-warn:#e67e22; --adm-radius:10px;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:#f0e8e8}
::-webkit-scrollbar-thumb{background:var(--ej);border-radius:3px}

/* ===== HEADER ===== */
#site-header{position:sticky;top:0;z-index:500;background:var(--ej-deep);border-bottom:3px solid var(--gold);height:62px}
.site-header-container{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:100%;padding:0 20px}
.site-header-logo a{display:flex;align-items:center;gap:10px}
.logo-mark{width:38px;height:38px;flex-shrink:0;background:var(--gold);clip-path:polygon(50% 0%,61% 11%,75% 8%,79% 22%,93% 26%,90% 40%,100% 50%,90% 60%,93% 74%,79% 78%,75% 92%,61% 89%,50% 100%,39% 89%,25% 92%,21% 78%,7% 74%,10% 60%,0% 50%,10% 40%,7% 26%,21% 22%,25% 8%,39% 11%);display:flex;align-items:center;justify-content:center;font-size:16px;animation:gear-spin 10s linear infinite}
@keyframes gear-spin{to{transform:rotate(360deg)}}
.logo-texts{line-height:1.2}
.logo-school{font-size:9px;letter-spacing:1.5px;color:#C8A8B0;display:block}
.logo-title{font-size:14px;font-weight:900;color:#fff;display:block;letter-spacing:1px}
.global-nav{display:flex;align-items:center;gap:2px}
.global-nav a,.nav-item-plain{display:flex;align-items:center;gap:5px;color:#C8A8B0;font-size:12px;font-weight:700;letter-spacing:.5px;padding:6px 10px;border-radius:4px;cursor:pointer;transition:background .15s,color .15s;white-space:nowrap}
.global-nav a:hover,.nav-drop:hover>.nav-item-plain{background:rgba(200,160,64,.2);color:var(--gold-lt)}
.nav-drop{position:relative}
.nav-drop:hover .sub-menu-wrap{display:block}
.sub-menu-wrap{display:none;position:absolute;top:100%;left:0;background:var(--ej-deep);border:1px solid rgba(200,160,64,.4);border-radius:6px;min-width:180px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:100}
.sub-menu-wrap a{display:block;padding:9px 16px;font-size:12px;color:#C8A8B0;letter-spacing:.3px;font-weight:500;border-bottom:1px solid rgba(255,255,255,.07);transition:background .12s,color .12s}
.sub-menu-wrap a:last-child{border-bottom:none}
.sub-menu-wrap a:hover{background:rgba(200,160,64,.2);color:var(--gold-lt)}
.hamburger-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:6px}
.hamburger-btn span{width:24px;height:2px;background:#fff;border-radius:1px;transition:transform .3s,opacity .3s;display:block}
.hamburger-btn.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger-btn.is-open span:nth-child(2){opacity:0}
.hamburger-btn.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== FULLSCREEN MENU ===== */
.fs-menu-overlay{position:fixed;inset:0;background:rgba(45,5,15,.96);z-index:400;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:80px 10% 40px;transform:translateX(-100%);transition:transform .38s cubic-bezier(.4,0,.2,1);overflow-y:auto}
.fs-menu-overlay.is-open{transform:translateX(0)}
.fs-nav-list{width:80%;display:flex;flex-wrap:wrap;gap:2rem 5rem;border-top:2px solid rgba(200,160,64,.3);border-bottom:2px solid rgba(200,160,64,.3);padding:2rem 0}
.fs-nav-item>a,.fs-nav-item>span{font-size:clamp(1.4rem,2.5vw,2rem);font-weight:700;color:#fff;display:block;margin-bottom:.4rem;transition:color .15s}
.fs-nav-item>a:hover,.fs-nav-item>span:hover{color:var(--gold-lt)}
.fs-nav-sub{padding-left:.5rem;display:flex;flex-direction:column;gap:.2rem}
.fs-nav-sub a{font-size:clamp(1rem,1.5vw,1.3rem);color:#C8A8B0;transition:color .15s}
.fs-nav-sub a:hover{color:var(--gold-lt)}
.fs-sns-row{display:flex;gap:1.5rem;margin-top:1.5rem}
.fs-sns-row a{font-size:2rem;color:#C8A8B0;transition:color .15s}
.fs-sns-row a:hover{color:var(--gold-lt)}

/* ===== HERO ===== */
/* ===== HERO ===== */
.hero-main{position:relative;width:100%;min-height:100dvh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#000}
.hero-poster-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center top;display:block;opacity:var(--hero-img-opacity,1)}
.hero-scrim{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.55) 0%,rgba(0,0,0,.35) 50%,rgba(0,0,0,.6) 100%)}
.hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:clamp(20px,4vw,40px);padding:clamp(90px,12vw,140px) 24px clamp(48px,7vw,80px);width:100%;text-align:center}

/* タイトル */
.hero-title{display:flex;flex-direction:column;align-items:center;gap:6px}
.hero-title-school{font-size:clamp(9px,1.4vw,13px);letter-spacing:5px;color:rgba(255,255,255,.7);font-weight:600;margin:0}
.hero-title-year{font-size:clamp(12px,1.8vw,16px);letter-spacing:3px;color:rgba(255,255,255,.85);font-weight:500;margin:0}
.hero-title-name{display:flex;align-items:center;gap:clamp(10px,2vw,20px);line-height:1}
.hero-title-num{font-size:clamp(80px,16vw,140px);font-weight:900;color:#fff;font-family:'Noto Serif JP',serif;line-height:.9;letter-spacing:-2px;text-shadow:0 4px 24px rgba(0,0,0,.4)}
.hero-title-suffix{display:flex;flex-direction:column;align-items:flex-start;gap:4px}
.hero-title-kai{font-size:clamp(22px,4vw,38px);font-weight:700;color:rgba(255,255,255,.9);font-family:'Noto Serif JP',serif;letter-spacing:2px;line-height:1}
.hero-title-kougyousai{font-size:clamp(28px,5.5vw,52px);font-weight:900;color:#fff;font-family:'Noto Serif JP',serif;letter-spacing:4px;line-height:1;text-shadow:0 2px 16px rgba(0,0,0,.4)}

/* 日程 */
.hero-schedule{display:flex;align-items:center;gap:clamp(16px,4vw,48px);background:rgba(0,0,0,var(--hero-panel-opacity,.5));backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15);border-radius:14px;padding:clamp(14px,2.5vw,24px) clamp(20px,4vw,48px)}
.hero-schedule-day{display:flex;flex-direction:column;align-items:center;gap:5px}
.hero-schedule-label{font-size:10px;letter-spacing:4px;color:rgba(255,255,255,.55);font-weight:700}
.hero-schedule-date{font-size:clamp(18px,3.2vw,28px);font-weight:900;color:#fff;font-family:'Noto Serif JP',serif;letter-spacing:1px}
.hero-schedule-time{font-size:clamp(11px,1.6vw,14px);color:rgba(255,255,255,.65);letter-spacing:1px}
.hero-schedule-sep{width:1px;height:48px;background:rgba(255,255,255,.2)}

/* カウントダウン */
.hero-cd-wrap{display:flex;flex-direction:column;align-items:center;gap:10px}
.hero-cd-label-top{font-size:11px;letter-spacing:4px;color:rgba(255,255,255,.6);font-weight:600;margin:0}
.hero-countdown{display:flex;align-items:center;gap:clamp(8px,2vw,20px)}
.hero-cd-item{display:flex;flex-direction:column;align-items:center;gap:2px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:10px;padding:10px 14px}
.hero-cd-num{font-size:clamp(32px,6vw,58px);font-weight:900;color:#fff;font-variant-numeric:tabular-nums;line-height:1;min-width:2ch;text-align:center;display:block}
.hero-cd-unit{font-size:10px;color:rgba(255,255,255,.55);letter-spacing:2px;font-weight:600;display:block}
.hero-cd-colon{font-size:clamp(24px,4.5vw,42px);color:rgba(255,255,255,.35);font-weight:300;line-height:1;margin-bottom:18px}

.hero-scroll-btn{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.8);font-size:12px;font-weight:600;letter-spacing:3px;border:1px solid rgba(255,255,255,.3);border-radius:24px;padding:10px 28px;transition:background .2s,color .2s,border-color .2s;margin-top:8px}
.hero-scroll-btn:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ===== TICKER ===== */
.info-ticker{overflow:hidden;background:var(--ej-deep);padding:0;border-top:2px solid var(--gold);border-bottom:2px solid var(--gold)}
.ticker-track{display:flex;width:max-content;animation:ticker 40s linear infinite}
.ticker-track:hover{animation-play-state:paused}
@keyframes ticker{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
.ticker-item{display:flex;align-items:center;gap:0;white-space:nowrap}

/* ===== CARDS SECTION ===== */
.cat-section{position:relative;min-height:100dvh;padding:clamp(48px,7vw,100px) clamp(24px,4vw,60px) clamp(48px,7vw,80px) clamp(24px,3vw,48px);display:flex;flex-direction:column;align-items:flex-start;overflow:hidden}
.cat-section-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-attachment:fixed}
.cat-section-dim{position:absolute;inset:0}
.cat-section-content{position:relative;z-index:1;width:100%}
.cat-unified .cat-section-bg{background:transparent}
.cat-unified .cat-section-dim{background:transparent}
.cat-cards-group{padding:clamp(16px,2.5vw,28px) 0 clamp(16px,2.5vw,28px) clamp(20px,4vw,48px)}
.cat-cards-group-title{font-size:clamp(18px,2.5vw,26px);font-weight:900;color:#fff;margin-bottom:clamp(12px,2vw,20px);text-shadow:0 2px 8px rgba(0,0,0,.5)}
.cards-row{display:flex;gap:clamp(10px,1.5vw,16px);flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px}
.cards-row::-webkit-scrollbar{height:4px}
.cards-row::-webkit-scrollbar-thumb{background:rgba(200,160,64,.5)}
.card-item{flex-shrink:0;width:clamp(100px,15vw,200px);border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.5);transition:transform .3s,box-shadow .3s;cursor:pointer;position:relative}
.card-item:hover{transform:scale(1.05);box-shadow:0 8px 32px rgba(0,0,0,.7)}
.card-item-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(123,27,42,.6) 0%,transparent 60%);opacity:0;transition:opacity .3s}
.card-item:hover .card-item-overlay{opacity:1}

/* ===== INDUSTRIAL SECTION (工業祭とは〜フッター) ===== */
/* 工業的なボタンデザイン */
.ind-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;
  color:var(--gold);
  border:2px solid var(--gold);
  border-radius:0;
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  padding:11px 28px 11px 20px;
  font-size:13px;font-weight:700;font-family:'Noto Sans JP',sans-serif;
  letter-spacing:1px;cursor:pointer;text-decoration:none;
  transition:background .2s,color .2s;
  position:relative;
}
.ind-btn::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--gold);
}
.ind-btn:hover{background:var(--gold);color:var(--ej-deep)}
.ind-btn-solid{
  background:var(--ej);color:#fff;border-color:var(--ej);
}
.ind-btn-solid::before{background:#fff}
.ind-btn-solid:hover{background:var(--ej-light);color:#fff;border-color:var(--ej-light)}

/* ===== ACCESS SECTION — 工業デザイン ===== */
.access-section{
  background:var(--ej-deep);
  padding:clamp(48px,6vw,80px) 0;
  position:relative;
  overflow:hidden;
}
/* 工業的な背景パターン */
.access-section::before{
  content:'';position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(200,160,64,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,160,64,.03) 1px, transparent 1px);
  background-size:40px 40px;
  pointer-events:none;
}
.access-section::after{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--gold) 0,var(--gold) 20px,transparent 20px,transparent 30px);
}
.section-container{max-width:1200px;margin:0 auto;padding:0 24px;position:relative}
.section-head{margin-bottom:clamp(32px,4vw,52px)}
.section-tag{
  font-size:10px;letter-spacing:5px;color:var(--gold);
  display:flex;align-items:center;gap:10px;margin-bottom:8px;
  font-family:monospace;
}
.section-tag::before{content:'//';color:rgba(200,160,64,.4)}
.section-title{font-size:clamp(22px,3.5vw,30px);font-weight:900;color:#fff;position:relative;display:inline-block}
.section-title::after{content:'';display:block;height:3px;background:var(--gold);margin-top:6px;width:60px}
.access-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px)}
.access-list{display:flex;flex-direction:column;gap:0}
.access-row{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid rgba(200,160,64,.12)}
.access-row:first-child{border-top:1px solid rgba(200,160,64,.12)}
.access-icon{
  width:40px;height:40px;flex-shrink:0;
  background:rgba(200,160,64,.08);
  border:1px solid rgba(200,160,64,.3);
  clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.access-label{font-size:9px;letter-spacing:4px;color:var(--gold);font-weight:700;margin-bottom:4px;font-family:monospace}
.access-value{font-size:13px;color:#C8D0D8;line-height:1.75}
.map-box{
  border-radius:0;overflow:hidden;
  border:2px solid rgba(200,160,64,.3);
  height:280px;background:#1a0a0a;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.map-box iframe{width:100%;height:100%;border:none;display:block}
.map-open-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:transparent;color:var(--gold);
  border:2px solid var(--gold);
  font-size:12px;font-weight:900;padding:10px 20px;
  margin-top:12px;transition:all .2s;
  clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%);
  letter-spacing:1px;
}
.map-open-btn:hover{background:var(--gold);color:var(--ej-deep)}

/* ===== FOOTER — 工業デザイン ===== */
footer{
  background:#050205;
  border-top:none;
  position:relative;
  overflow:hidden;
}
footer::before{
  content:'';position:absolute;top:0;left:0;right:0;height:4px;
  background:repeating-linear-gradient(90deg,var(--gold) 0,var(--gold) 20px,var(--ej) 20px,var(--ej) 40px);
}
.footer-nav{
  border-bottom:1px solid rgba(200,160,64,.15);
  padding:20px 24px;
  background:rgba(200,160,64,.03);
}
.footer-nav-list{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:4px 0}
.footer-nav-list li{position:relative}
.footer-nav-list li:not(:last-child)::after{content:'|';color:rgba(200,160,64,.2);margin:0 12px}
.footer-nav-list a{font-size:12px;color:rgba(200,160,64,.5);transition:color .15s;letter-spacing:.5px}
.footer-nav-list a:hover{color:var(--gold)}
/* 長押し用のポリシーリンク */
.footer-nav-list a.policy-link{cursor:pointer;user-select:none}
.footer-body{
  max-width:1200px;margin:0 auto;
  padding:clamp(32px,5vw,56px) 24px clamp(20px,3vw,32px);
  display:flex;flex-direction:column;align-items:center;gap:24px;
  position:relative;
}
.footer-logo-wrap{text-align:center}
.footer-logo-mark{
  width:72px;height:72px;margin:0 auto 16px;
  background:var(--ej);
  clip-path:polygon(50% 0%,61% 11%,75% 8%,79% 22%,93% 26%,90% 40%,100% 50%,90% 60%,93% 74%,79% 78%,75% 92%,61% 89%,50% 100%,39% 89%,25% 92%,21% 78%,7% 74%,10% 60%,0% 50%,10% 40%,7% 26%,21% 22%,25% 8%,39% 11%);
  display:flex;align-items:center;justify-content:center;
  animation:gear-spin 12s linear infinite;
}
.footer-logo-title{font-size:clamp(20px,3vw,28px);font-weight:900;color:#fff;letter-spacing:4px;font-family:'Noto Serif JP',serif}
.footer-logo-sub{font-size:11px;color:rgba(200,160,64,.4);margin-top:6px;letter-spacing:2px;font-family:monospace}
/* 工業的な区切り線 */
.footer-divider{
  width:100%;max-width:400px;
  display:flex;align-items:center;gap:12px;
  margin:4px 0;
}
.footer-divider::before,.footer-divider::after{content:'';flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(200,160,64,.3),transparent)}
.footer-divider-icon{font-size:16px;color:rgba(200,160,64,.4)}
.footer-copy{font-size:10px;color:rgba(200,160,64,.2);text-align:center;letter-spacing:1px;font-family:monospace}
/* 長押しフィードバック */
.policy-link-wrap{position:relative;display:inline-block}
.policy-hold-ring{
  position:absolute;bottom:-4px;left:50%;transform:translateX(-50%);
  width:0;height:2px;background:var(--gold);opacity:0;
  transition:none;
}
.policy-hold-ring.filling{
  width:100%;opacity:1;transition:width 2s linear;
}

/* ===== SCROLL PROGRESS ===== */
#scroll-bar{position:fixed;top:0;left:0;height:3px;width:0%;background:linear-gradient(90deg,var(--gold),var(--ej-light));z-index:1000;transition:width .1s}

/* ===== PAGE TOP ===== */
.page-top-btn{position:fixed;bottom:24px;right:24px;z-index:300;width:52px;height:52px;background:var(--ej);border:2px solid var(--gold);color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .2s,background .2s;opacity:0;pointer-events:none;clip-path:polygon(10px 0%,100% 0%,100% calc(100% - 10px),calc(100% - 10px) 100%,0% 100%,0% 10px)}
.page-top-btn.visible{opacity:1;pointer-events:auto}
.page-top-btn:hover{background:var(--ej-light);transform:translateY(-3px)}

/* ===== MODAL SYSTEM ===== */
.modal-overlay{position:fixed;inset:0;z-index:600;background:rgba(0,0,0,.75);display:flex;align-items:flex-start;justify-content:center;padding:20px 16px 20px;opacity:0;pointer-events:none;transition:opacity .3s ease;overflow-y:auto}
.modal-overlay.is-open{opacity:1;pointer-events:auto}
.modal-window{position:relative;background:#FFFCFA;border-radius:14px;width:100%;max-width:740px;min-height:200px;box-shadow:0 24px 64px rgba(0,0,0,.5);overflow:hidden;transform:translateY(24px);transition:transform .35s cubic-bezier(.2,0,.2,1);margin:auto}
.modal-overlay.is-open .modal-window{transform:translateY(0)}
.modal-close{position:absolute;top:14px;right:14px;z-index:10;width:36px;height:36px;border-radius:50%;background:rgba(0,0,0,.35);border:none;color:#fff;font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s}
.modal-close:hover{background:rgba(0,0,0,.6)}
.modal-body{min-height:200px}
.mp-hero{padding:48px 32px 36px;display:flex;flex-direction:column;align-items:flex-start;gap:8px;position:relative}
.mp-hero-icon{font-size:40px;line-height:1}
.mp-hero-title{font-size:clamp(24px,4vw,32px);font-weight:900;color:#fff;font-family:'Noto Serif JP',serif;line-height:1.2}
.mp-hero-sub{font-size:13px;color:rgba(255,255,255,.7);font-weight:500}
.mp-content{padding:28px 28px 40px;display:flex;flex-direction:column;gap:28px}
.mp-section{display:flex;flex-direction:column;gap:12px}
.mp-h2{font-size:17px;font-weight:900;color:var(--ej-deep);padding-bottom:8px;border-bottom:2px solid var(--ej-pale)}
.mp-text{font-size:14px;line-height:1.9;color:var(--text-mid)}
.mp-link{color:var(--ej);font-weight:700;text-decoration:underline}
.mp-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mp-info-item{background:#fff;border:1px solid var(--border);border-radius:8px;padding:12px 14px}
.mp-info-label{font-size:10px;letter-spacing:2px;color:var(--text-mute);font-weight:700;margin-bottom:4px}
.mp-info-val{font-size:13px;color:var(--text);font-weight:500;line-height:1.5}
.mp-timeline{display:flex;flex-direction:column;gap:0;border-left:3px solid var(--ej-pale);padding-left:20px}
.mp-tl-item{position:relative;padding:10px 0;display:flex;gap:14px;align-items:center}
.mp-tl-item::before{content:'';position:absolute;left:-26px;top:50%;transform:translateY(-50%);width:10px;height:10px;border-radius:50%;background:var(--ej);border:2px solid #fff;box-shadow:0 0 0 2px var(--ej)}
.mp-tl-year{font-size:12px;font-weight:900;color:var(--ej);min-width:60px}
.mp-tl-text{font-size:13px;color:var(--text-mid)}
.mp-placeholder-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.mp-photo-placeholder{aspect-ratio:4/3;background:var(--ej-pale);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-mute);gap:4px;font-size:13px}
.mp-poster-wrap{display:flex;justify-content:center;padding:12px 0}
.mp-poster-placeholder{width:min(280px,100%);aspect-ratio:3/4;background:linear-gradient(160deg,var(--ej-deep),var(--ej));border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 32px rgba(123,27,42,.3)}
.mp-change-list{display:flex;flex-direction:column;gap:10px}
.mp-change-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--border);border-radius:8px;padding:14px}
.mp-change-badge{flex-shrink:0;font-size:10px;font-weight:900;letter-spacing:1px;padding:3px 8px;border-radius:4px}
.mp-change-badge.new{background:var(--ej);color:#fff}
.mp-change-badge.info{background:#e8f0fe;color:#1a237e}
.mp-change-badge.update{background:#e8f8f0;color:#1a6b3a}
.mp-change-badge.caution{background:#fff3cd;color:#7d4e00}
.mp-change-text{font-size:13px;color:var(--text-mid);line-height:1.7}
.mp-alert{display:flex;gap:14px;align-items:flex-start;background:#FFF8E1;border:1px solid #FFCC02;border-radius:8px;padding:16px;margin-bottom:4px}
.mp-alert-warn{background:#FFF3F3;border-color:var(--ej-pale)}
.mp-alert-icon{font-size:24px;flex-shrink:0}
.mp-alert-text{font-size:13px;color:var(--text-mid);line-height:1.7}
.mp-dl-box{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--border);border-radius:10px;padding:16px}
.mp-dl-icon{font-size:32px;flex-shrink:0}
.mp-dl-info{flex:1}
.mp-dl-name{font-size:14px;font-weight:700;color:var(--text)}
.mp-dl-note{font-size:11px;color:var(--text-mute);margin-top:2px}
.mp-dl-btn{background:var(--ej);color:#fff;border:none;border-radius:6px;padding:8px 18px;font-size:12px;font-weight:700;cursor:pointer;clip-path:polygon(6px 0%,100% 0%,calc(100% - 6px) 100%,0% 100%)}
.mp-dl-btn:disabled{background:#ccc;cursor:not-allowed}
.mp-list{padding-left:20px;display:flex;flex-direction:column;gap:8px}
.mp-list li{font-size:13px;color:var(--text-mid);line-height:1.7}
.mp-list-warn{padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.mp-list-warn li{font-size:13px;color:var(--text-mid);line-height:1.7;padding:10px 14px 10px 36px;background:#fff;border:1px solid var(--border);border-radius:8px;position:relative}
.mp-list-warn li::before{content:'⚠';position:absolute;left:10px;top:10px;font-size:14px}
.mp-qa-list{display:flex;flex-direction:column;gap:10px}
.mp-qa-item{background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.mp-qa-q{background:var(--ej-pale);padding:10px 14px;font-size:13px;font-weight:700;color:var(--ej-deep)}
.mp-qa-a{padding:10px 14px;font-size:13px;color:var(--text-mid);line-height:1.7}
.mp-map-placeholder{background:linear-gradient(135deg,#102010,#1a3018);border-radius:12px;padding:60px 24px;display:flex;flex-direction:column;align-items:center;text-align:center}
.mp-area-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.mp-area-item{background:#fff;border:1px solid var(--border);border-radius:8px;padding:16px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px}
.mp-area-icon{font-size:28px}
.mp-area-name{font-size:13px;font-weight:900;color:var(--text)}
.mp-area-desc{font-size:11px;color:var(--text-mute)}
.mp-group-course-block{margin-bottom:20px}
.mp-group-course-head{display:flex;align-items:center;gap:8px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.mp-group-course-badge{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;letter-spacing:.5px}
.mp-group-course-badge.zen{background:rgba(39,174,96,.18);color:#2ecc71}
.mp-group-course-badge.tei{background:rgba(41,128,185,.18);color:#3498db}
.mp-group-course-badge.both{background:rgba(155,89,182,.18);color:#a78bfa}
.mp-group-list{display:flex;flex-direction:column;gap:8px}
.mp-group-item{display:flex;gap:12px;align-items:center;background:rgba(255,255,255,.04);border:1px solid var(--border);border-radius:10px;padding:12px 14px;cursor:pointer;transition:background .15s,border-color .15s;position:relative}
.mp-group-item:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.18)}
.mp-group-item::after{content:'›';position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:18px;color:rgba(255,255,255,.25);pointer-events:none}
.mp-group-logo{width:52px;height:52px;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid var(--border);flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:26px}
.mp-group-logo img{width:100%;height:100%;object-fit:cover;display:block}
.mp-group-info{flex:1;min-width:0;padding-right:18px}
.mp-group-name{font-size:13px;font-weight:700;color:var(--text)}
.mp-group-desc{font-size:11px;color:var(--text-mute);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mp-group-location{font-size:10px;color:rgba(255,255,255,.35);margin-top:4px}
/* 詳細シートは下部の拡張版CSSで定義 */
.mp-tt-wrap{background:#fff;border:1px solid var(--border);border-radius:10px;overflow:hidden}
.mp-tt-head{background:var(--ej-deep);padding:10px 16px}
.mp-tt-day{font-size:12px;font-weight:700;color:var(--gold)}
.mp-tt-row{display:flex;gap:0;border-bottom:1px solid var(--border);align-items:stretch}
.mp-tt-row:last-child{border-bottom:none}
.mp-tt-time{min-width:64px;padding:12px 14px;font-size:12px;font-weight:700;color:var(--ej);background:var(--ej-pale);flex-shrink:0;display:flex;align-items:center}
.mp-tt-act{padding:12px 16px;font-size:13px;color:var(--text-mid);display:flex;align-items:center;gap:8px;flex:1}
.mp-tt-badge{font-size:10px;font-weight:900;padding:2px 7px;border-radius:4px;flex-shrink:0}
.mp-tt-badge.tbd{background:#f0f0f0;color:#888}
.mp-tt-badge.open{background:#e8f4e8;color:#2a6a2a}
.mp-tt-badge.close{background:var(--ej-pale);color:var(--ej)}
.mp-btn-primary{display:inline-flex;align-items:center;gap:6px;background:var(--ej);color:#fff;border:none;border-radius:0;padding:11px 22px;font-size:13px;font-weight:700;cursor:pointer;text-decoration:none;transition:background .15s;font-family:inherit;clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%)}
.mp-btn-primary:hover{background:var(--ej-light)}
.mp-btn-secondary{display:inline-flex;align-items:center;gap:6px;background:transparent;color:var(--ej);border:2px solid var(--ej);border-radius:0;padding:9px 20px;font-size:13px;font-weight:700;cursor:pointer;text-decoration:none;transition:.15s;font-family:inherit;clip-path:polygon(8px 0%,100% 0%,calc(100% - 8px) 100%,0% 100%)}
.mp-btn-secondary:hover{background:var(--ej-pale)}

/* ===== MOBILE ===== */
@media(max-width:900px){
  .global-nav{display:none}
  .hamburger-btn{display:flex}
  .access-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .mp-info-grid{grid-template-columns:1fr}
  .mp-placeholder-gallery{grid-template-columns:repeat(2,1fr)}
  .mp-area-grid{grid-template-columns:1fr}
  .mp-content{padding:20px 18px 32px}
  .mp-hero{padding:36px 20px 28px}
  .modal-overlay{padding:0}
  .modal-window{border-radius:14px 14px 0 0;margin-top:auto;min-height:60vh}
}
@media(max-width:540px){
  .card-item{width:clamp(80px,35vw,140px)}
}

/* ===================================================
   ADMIN PANEL — 管理者パネル（完全埋め込み）
   =================================================== */
#adminOverlay{
  position:fixed;inset:0;z-index:10000;
  background:var(--adm-bg);
  display:none;
  flex-direction:column;
}
#adminOverlay.admin-visible{display:flex}

/* ログイン画面 */
#adminLogin{
  flex:1;display:flex;align-items:center;justify-content:center;
  flex-direction:column;gap:24px;padding:24px;
}
.adm-login-logo{text-align:center}
.adm-login-logo-mark{font-size:40px;margin-bottom:8px;animation:gear-spin 10s linear infinite;display:inline-block}
.adm-login-logo-title{font-size:20px;font-weight:700;color:var(--gold);letter-spacing:2px}
.adm-login-logo-sub{font-size:12px;color:var(--adm-text2);margin-top:4px;letter-spacing:1px}
.adm-login-box{background:var(--adm-surface);border:1px solid var(--adm-border);border-radius:14px;padding:36px 32px;width:100%;max-width:380px}
.adm-login-box h2{font-size:16px;font-weight:700;margin-bottom:24px;text-align:center;color:var(--adm-text)}
.adm-form-group{margin-bottom:16px}
.adm-form-label{display:block;font-size:12px;color:var(--adm-text2);margin-bottom:6px;font-weight:500;letter-spacing:.5px}
.adm-form-input{width:100%;background:var(--adm-bg);border:1px solid var(--adm-border);border-radius:var(--adm-radius);padding:10px 14px;color:var(--adm-text);font-family:inherit;font-size:14px;outline:none;transition:border-color .2s}
.adm-form-input:focus{border-color:var(--adm-accent2)}
.adm-btn-login{width:100%;background:var(--adm-accent);border:none;border-radius:var(--adm-radius);padding:12px;color:#fff;font-family:inherit;font-size:14px;font-weight:700;cursor:pointer;letter-spacing:1px;margin-top:8px;transition:background .2s}
.adm-btn-login:hover{background:var(--adm-accent2)}
.adm-login-err{font-size:12px;color:var(--adm-accent2);text-align:center;margin-top:10px;display:none}
.adm-login-hint{font-size:11px;color:var(--adm-text3);text-align:center;margin-top:16px}

/* メインUI */
#adminUI{display:none;flex-direction:column;flex:1;overflow:hidden}
#adminUI.adm-ui-visible{display:flex}
.adm-header{background:var(--adm-surface);border-bottom:1px solid var(--adm-border);padding:0 24px;height:56px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.adm-header-left{display:flex;align-items:center;gap:12px}
.adm-header-logo{font-size:14px;font-weight:700;color:var(--gold);letter-spacing:1px}
.adm-header-badge{background:var(--adm-accent);color:#fff;font-size:10px;font-weight:700;padding:2px 8px;border-radius:20px;letter-spacing:.5px}
.adm-btn-logout{background:transparent;border:1px solid var(--adm-border);border-radius:8px;color:var(--adm-text2);font-family:inherit;font-size:12px;padding:6px 14px;cursor:pointer;transition:all .2s}
.adm-btn-logout:hover{border-color:var(--adm-accent2);color:var(--adm-accent2)}
.adm-body{display:flex;flex:1;overflow:hidden}
.adm-sidebar{width:220px;background:var(--adm-surface);border-right:1px solid var(--adm-border);padding:20px 0;flex-shrink:0;overflow-y:auto}
.adm-sidebar-label{font-size:10px;color:var(--adm-text3);letter-spacing:1px;padding:8px 20px 4px;text-transform:uppercase;font-weight:700}
.adm-sidebar-item{display:flex;align-items:center;gap:10px;padding:9px 20px;font-size:13px;color:var(--adm-text2);cursor:pointer;transition:all .15s;border-left:3px solid transparent}
.adm-sidebar-item:hover{background:var(--adm-surface2);color:var(--adm-text)}
.adm-sidebar-item.active{background:var(--adm-surface2);color:var(--adm-text);border-left-color:var(--adm-accent2);font-weight:500}
.adm-main{flex:1;padding:28px;overflow-y:auto}
.adm-tab{display:none}.adm-tab.active{display:block}
.adm-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.adm-section-title{font-size:18px;font-weight:700;color:var(--adm-text)}
.adm-section-sub{font-size:12px;color:var(--adm-text2);margin-top:3px}
.adm-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:14px;margin-bottom:28px}
.adm-summary-card{background:var(--adm-surface);border:1px solid var(--adm-border);border-radius:var(--adm-radius);padding:18px 20px}
.adm-summary-card-label{font-size:11px;color:var(--adm-text2);letter-spacing:.5px;margin-bottom:8px}
.adm-summary-card-value{font-size:26px;font-weight:700;color:var(--adm-text)}
.adm-summary-card-note{font-size:11px;color:var(--adm-text3);margin-top:4px}
.adm-card{background:var(--adm-surface);border:1px solid var(--adm-border);border-radius:var(--adm-radius);margin-bottom:16px;overflow:hidden}
.adm-card-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--adm-border);cursor:pointer;user-select:none}
.adm-card-head-left{display:flex;align-items:center;gap:10px}
.adm-card-title{font-size:14px;font-weight:700;color:var(--adm-text)}
.adm-card-arrow{font-size:11px;color:var(--adm-text3);transition:transform .2s}
.adm-card.is-open .adm-card-arrow{transform:rotate(180deg)}
.adm-card-body-wrap{display:none;padding:20px 18px}
.adm-card.is-open .adm-card-body-wrap{display:block}
.adm-field-group{margin-bottom:18px}
.adm-field-label{font-size:12px;color:var(--adm-text2);margin-bottom:6px;font-weight:500;display:block}
.adm-field-input,.adm-field-textarea,.adm-field-select{width:100%;background:var(--adm-bg);border:1px solid var(--adm-border);border-radius:8px;padding:10px 14px;color:var(--adm-text);font-family:inherit;font-size:13px;outline:none;transition:border-color .2s}
.adm-field-input:focus,.adm-field-textarea:focus,.adm-field-select:focus{border-color:var(--adm-accent2)}
.adm-field-textarea{resize:vertical;min-height:80px}
.adm-field-select{cursor:pointer}
.adm-field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.adm-field-hint{font-size:11px;color:var(--adm-text3);margin-top:5px}
.adm-btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:8px;font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;border:none;transition:all .15s}
.adm-btn-primary{background:var(--adm-accent);color:#fff}.adm-btn-primary:hover{background:var(--adm-accent2)}
.adm-btn-secondary{background:var(--adm-surface2);color:var(--adm-text);border:1px solid var(--adm-border)}.adm-btn-secondary:hover{border-color:rgba(255,255,255,.2)}
.adm-btn-success{background:var(--adm-green);color:#fff}.adm-btn-success:hover{opacity:.85}
.adm-btn-sm{padding:6px 12px;font-size:12px}
.adm-ticker-list{display:flex;flex-direction:column;gap:10px}
.adm-ticker-row{background:var(--adm-bg);border:1px solid var(--adm-border);border-radius:8px;padding:12px 16px;display:flex;align-items:center;gap:12px}
.adm-ticker-text-input{flex:1;background:transparent;border:none;color:var(--adm-text);font-family:inherit;font-size:13px;outline:none}
.adm-ticker-delete{background:none;border:none;color:var(--adm-text3);cursor:pointer;font-size:16px;padding:4px;transition:color .15s}
.adm-ticker-delete:hover{color:var(--adm-accent2)}
.adm-qa-list{display:flex;flex-direction:column;gap:10px}
.adm-qa-row{background:var(--adm-bg);border:1px solid var(--adm-border);border-radius:8px;padding:14px 16px}
.adm-qa-badge{font-size:10px;font-weight:700;padding:2px 8px;border-radius:4px}
.adm-qa-q-badge{background:rgba(41,128,185,.2);color:#3498db}
.adm-qa-a-badge{background:rgba(39,174,96,.2);color:#2ecc71}
.adm-qa-input{width:100%;background:transparent;border:none;color:var(--adm-text);font-family:inherit;font-size:13px;outline:none;resize:none}
.adm-qa-divider{height:1px;background:var(--adm-border);margin:8px 0}
.adm-qa-delete{background:none;border:1px solid var(--adm-border);color:var(--adm-text3);border-radius:6px;padding:4px 10px;font-size:11px;cursor:pointer;margin-top:8px;transition:all .15s}
.adm-qa-delete:hover{border-color:var(--adm-accent2);color:var(--adm-accent2)}
.adm-tt-table{width:100%;border-collapse:collapse}
.adm-tt-table th{text-align:left;font-size:11px;color:var(--adm-text3);letter-spacing:.5px;padding:8px 12px;border-bottom:1px solid var(--adm-border);font-weight:500}
.adm-tt-table td{padding:10px 12px;border-bottom:1px solid var(--adm-border);vertical-align:middle}
.adm-tt-table tr:last-child td{border-bottom:none}
.adm-tt-input{background:transparent;border:none;color:var(--adm-text);font-family:inherit;font-size:13px;outline:none;width:100%}
.adm-tt-select{background:transparent;border:none;color:var(--adm-text);font-family:inherit;font-size:12px;outline:none;cursor:pointer}
#adm-toast{position:fixed;bottom:28px;right:28px;background:var(--adm-green);color:#fff;font-size:13px;font-weight:500;padding:12px 20px;border-radius:10px;opacity:0;transform:translateY(10px);transition:all .3s;pointer-events:none;z-index:20000;display:flex;align-items:center;gap:8px}
#adm-toast.show{opacity:1;transform:translateY(0)}
.adm-preview-bar{background:var(--adm-surface);border:1px solid var(--adm-border);border-radius:var(--adm-radius);padding:16px 20px;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.adm-preview-bar-dot{width:10px;height:10px;border-radius:50%;background:var(--adm-warn);animation:adm-blink 1.4s infinite}
@keyframes adm-blink{0%,100%{opacity:1}50%{opacity:.3}}
.adm-toggle-wrap{display:flex;align-items:center;gap:10px}
.adm-toggle{position:relative;width:40px;height:22px;flex-shrink:0}
.adm-toggle input{opacity:0;width:0;height:0}
.adm-toggle-slider{position:absolute;inset:0;background:var(--adm-surface2);border:1px solid var(--adm-border);border-radius:22px;cursor:pointer;transition:background .2s}
.adm-toggle-slider:before{content:'';position:absolute;width:16px;height:16px;left:2px;top:2px;background:var(--adm-text3);border-radius:50%;transition:all .2s}
.adm-toggle input:checked+.adm-toggle-slider{background:var(--adm-accent);border-color:var(--adm-accent)}
.adm-toggle input:checked+.adm-toggle-slider:before{transform:translateX(18px);background:#fff}
.adm-toggle-label{font-size:13px;color:var(--adm-text)}
.adm-step-guide{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.adm-step-item{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;background:var(--adm-surface2);border-radius:8px}
.adm-step-num{width:24px;height:24px;border-radius:50%;background:var(--adm-accent);color:#fff;font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:1px}
.adm-step-text{font-size:13px;color:var(--adm-text2);line-height:1.6}
.adm-step-text strong{color:var(--adm-text)}
.adm-group-row{background:var(--adm-bg);border:1px solid var(--adm-border);border-radius:8px;margin-bottom:8px}
@media(max-width:768px){
  .adm-field-row{grid-template-columns:1fr}
  .adm-body{flex-direction:column}
  .adm-sidebar{
    width:100%;border-right:none;border-bottom:1px solid var(--adm-border);
    padding:8px 0;flex-shrink:0;overflow-x:auto;overflow-y:hidden;
    display:flex;flex-direction:row;align-items:flex-start
  }
  .adm-sidebar-label{display:none}
  .adm-sidebar-item{
    flex-direction:column;gap:2px;padding:8px 12px;font-size:11px;
    border-left:none;border-bottom:3px solid transparent;
    white-space:nowrap;flex-shrink:0
  }
  .adm-sidebar-item.active{border-left-color:transparent;border-bottom-color:var(--adm-accent2)}
  .adm-main{padding:16px;overflow-y:auto}
  #admThemeGrid{grid-template-columns:repeat(2,1fr)!important}
}

/* ========================================
   BRIGHT CARD SECTION — 工業祭カード新デザイン
   ======================================== */
.cards-row-new{display:flex;gap:clamp(12px,2vw,20px);flex-wrap:nowrap;overflow-x:auto;padding-bottom:10px}
.cards-row-new::-webkit-scrollbar{height:4px}
.cards-row-new::-webkit-scrollbar-thumb{background:rgba(200,160,64,.5);border-radius:2px}

/* 工業六角形カード */
.card-hex-wrap{flex-shrink:0;width:clamp(110px,14vw,160px);display:flex;flex-direction:column;align-items:center;gap:8px;cursor:pointer;text-decoration:none}
.card-hex-outer{width:100%;position:relative;transition:transform .3s}
.card-hex-wrap:hover .card-hex-outer{transform:translateY(-6px)}
.card-hex-shape{width:100%;aspect-ratio:1/1;clip-path:polygon(50% 0%,95% 25%,95% 75%,50% 100%,5% 75%,5% 25%);display:flex;align-items:center;justify-content:center;position:relative;transition:filter .3s}
.card-hex-wrap:hover .card-hex-shape{filter:brightness(1.15)}
.card-hex-icon{font-size:clamp(26px,4vw,40px);position:relative;z-index:1}
.card-hex-inner-img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;opacity:.22;mix-blend-mode:luminosity;transition:opacity .4s}
.card-hex-ring{position:absolute;inset:-3px;clip-path:polygon(50% 0%,95% 25%,95% 75%,50% 100%,5% 75%,5% 25%);background:rgba(255,255,255,.15);z-index:0}
.card-hex-label{font-size:clamp(10px,1.3vw,13px);font-weight:700;color:#fff;text-align:center;line-height:1.3;text-shadow:0 1px 4px rgba(0,0,0,.6);padding:0 4px}
.card-hex-badge{font-size:9px;letter-spacing:1px;color:rgba(255,200,100,.8);font-weight:700;margin-top:-4px}

/* ギアデコ */
.card-section-gear{position:absolute;opacity:.04;font-size:clamp(80px,15vw,180px);pointer-events:none;animation:gear-spin 30s linear infinite;color:var(--gold)}

/* ===== カードセクション 工業デザイン背景 ===== */
.cs-bg-layer{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}

/* ベース：深紅〜黒のグラデ */
.cs-bg-base{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 15% 50%, rgba(100,12,28,0.55) 0%, transparent 70%),
    radial-gradient(ellipse 60% 80% at 85% 50%, rgba(60,8,18,0.4) 0%, transparent 70%),
    linear-gradient(160deg, #2e0810 0%, #1a0408 40%, #0e0210 70%, #060108 100%);
}

/* SVGパターン */
.cs-bg-svg{position:absolute;inset:0;width:100%;height:100%}

/* 上下をベースカラーで溶かすフェード */
.cs-bg-fade-top{
  position:absolute;top:0;left:0;right:0;height:160px;
  background:linear-gradient(to bottom, rgba(14,2,10,0.7) 0%, transparent 100%);
}
.cs-bg-fade-bot{
  position:absolute;bottom:0;left:0;right:0;height:160px;
  background:linear-gradient(to top, rgba(6,1,8,0.8) 0%, transparent 100%);
}

/* 斜め光帯 */
.cs-bg-beam{
  position:absolute;
  width:1px;height:200%;
  background:linear-gradient(to bottom, transparent 0%, rgba(220,180,60,0.07) 40%, rgba(220,180,60,0.12) 50%, rgba(220,180,60,0.07) 60%, transparent 100%);
  transform-origin:top center;
}
.cs-bg-beam-1{
  left:28%;top:-50%;
  transform:rotate(18deg);
  width:180px;
  animation:beam-drift 14s ease-in-out infinite alternate;
}
.cs-bg-beam-2{
  left:62%;top:-50%;
  transform:rotate(-14deg);
  width:120px;
  animation:beam-drift 18s ease-in-out infinite alternate-reverse;
}
@keyframes beam-drift{
  from{opacity:0.6;transform:rotate(18deg) translateX(0)}
  to{opacity:1;transform:rotate(18deg) translateX(30px)}
}

/* グループ詳細シート — 拡張版 */
.group-detail-overlay{position:fixed;inset:0;z-index:4000;background:rgba(0,0,0,.75);display:flex;align-items:flex-end;justify-content:center;opacity:0;pointer-events:none;transition:opacity .25s}
.group-detail-overlay.open{opacity:1;pointer-events:auto}
.group-detail-sheet{width:100%;max-width:680px;background:linear-gradient(180deg,#1e1a2e 0%,#18141e 100%);border-radius:28px 28px 0 0;padding:0;transform:translateY(100%);transition:transform .38s cubic-bezier(.32,.72,0,1);overflow:hidden;max-height:88vh;display:flex;flex-direction:column;box-shadow:0 -8px 40px rgba(0,0,0,.6)}
.group-detail-overlay.open .group-detail-sheet{transform:translateY(0)}
.group-detail-sheet-drag{width:40px;height:4px;background:rgba(255,255,255,.18);border-radius:2px;margin:14px auto 0;flex-shrink:0}
.group-detail-header{display:flex;gap:16px;align-items:center;padding:20px 24px 16px;border-bottom:1px solid rgba(255,255,255,.07);flex-shrink:0}
.group-detail-logo-large{width:88px;height:88px;border-radius:18px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);flex-shrink:0;overflow:hidden;display:flex;align-items:center;justify-content:center;font-size:44px;box-shadow:0 4px 16px rgba(0,0,0,.3)}
.group-detail-logo-large img{width:100%;height:100%;object-fit:cover;display:block;border-radius:18px}
.group-detail-title{font-size:20px;font-weight:900;color:#f0eee8;line-height:1.25;margin-bottom:6px;font-family:'Noto Serif JP',serif}
.group-detail-badge{display:inline-block;font-size:11px;font-weight:700;padding:3px 10px;border-radius:12px;letter-spacing:.5px}
.group-detail-scroll{flex:1;overflow-y:auto;padding:20px 24px 28px;display:flex;flex-direction:column;gap:14px}
.group-detail-info-row{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:14px 18px}
.group-detail-info-label{font-size:10px;letter-spacing:2px;color:rgba(200,160,64,.8);font-weight:700;min-width:44px;flex-shrink:0}
.group-detail-info-val{font-size:14px;color:#f0eee8;font-weight:500;line-height:1.5}
.group-detail-desc-full{font-size:14px;color:rgba(255,255,255,.8);line-height:1.9;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:12px;padding:16px 18px;white-space:pre-wrap}
.group-detail-close{margin:0 24px 24px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:14px;color:rgba(255,255,255,.75);font-size:15px;font-weight:600;padding:14px;cursor:pointer;width:calc(100% - 48px);font-family:inherit;transition:background .15s;flex-shrink:0}
.group-detail-close:hover{background:rgba(255,255,255,.15)}

/* 写真ギャラリー（準備中プレースホルダー付き）*/
.mp-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mp-photo-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:8px}
.mp-photo-grid .ph{aspect-ratio:4/3;background:var(--ej-pale);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;color:var(--text-mute);gap:4px}

/* 今年の工業祭 — スローガン・写真 */
.mp-slogan-box{background:linear-gradient(135deg,var(--site-primary-deep),var(--site-primary));border-radius:12px;padding:24px;text-align:center;position:relative;overflow:hidden}
.mp-slogan-box::before{content:'⚙';position:absolute;right:-10px;top:-10px;font-size:80px;opacity:.07;animation:gear-spin 20s linear infinite}
.mp-slogan-label{font-size:10px;letter-spacing:4px;color:rgba(255,255,255,.6);font-weight:700;margin-bottom:8px}
.mp-slogan-text{font-size:clamp(18px,3vw,26px);font-weight:900;color:#fff;line-height:1.3;font-family:'Noto Serif JP',serif}
.mp-slogan-sub{font-size:12px;color:rgba(255,220,150,.8);margin-top:8px}

/* 去年のポスター表示エリア */
.mp-lastyear-poster{width:min(240px,100%);aspect-ratio:3/4;border-radius:10px;overflow:hidden;margin:0 auto;box-shadow:0 8px 28px rgba(0,0,0,.3);background:var(--ej-pale)}
.mp-lastyear-poster img{width:100%;height:100%;object-fit:cover;display:block}

/* 管理パネル — 画像アップロードボタン */
.adm-img-upload-btn{display:inline-flex;align-items:center;gap:8px;background:var(--adm-surface2);border:1px dashed rgba(255,255,255,.2);border-radius:8px;padding:10px 16px;font-size:12px;color:var(--adm-text2);cursor:pointer;transition:all .2s;font-family:inherit}
.adm-img-upload-btn:hover{border-color:var(--adm-accent2);color:var(--adm-text)}
.adm-img-preview{width:60px;height:60px;border-radius:8px;object-fit:cover;border:1px solid var(--adm-border);display:none}
.adm-img-preview.visible{display:block}
.adm-color-swatch{width:28px;height:28px;border-radius:6px;border:1px solid var(--adm-border);cursor:pointer;padding:0;flex-shrink:0}

/* カウントダウン「工業祭まであと」テキスト */
.hero-cd-prefix{font-size:clamp(11px,1.5vw,14px);color:var(--gold-lt);letter-spacing:3px;font-weight:700;margin-bottom:4px}

/* モバイル対応 */
@media(max-width:480px){
  .mp-photo-grid{grid-template-columns:repeat(2,1fr)}
  .group-detail-sheet{max-height:92vh}
}

/* ── テーマプリセットグリッド ── */
#admThemeGrid button:hover {
  border-color: var(--adm-accent2) !important;
  background: rgba(255,255,255,.06) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
}

/* ===== アンケートセクション ===== */
.survey-section{
  position:relative;
  background:linear-gradient(160deg,#0a0214 0%,#12021e 40%,#1a0428 70%,#0e0118 100%);
  padding:clamp(48px,7vw,90px) clamp(20px,4vw,60px);
  overflow:hidden;
}
.survey-section::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(138,43,226,0.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(192,160,60,0.07) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 90% 20%, rgba(192,160,60,0.07) 0%, transparent 60%);
  pointer-events:none;
}
/* 左右デコラインをSVGじゃなくCSSで */
.survey-deco-line{
  position:absolute;top:0;bottom:0;width:3px;
  background:linear-gradient(to bottom,transparent 0%,rgba(138,43,226,0.4) 30%,rgba(192,160,60,0.6) 50%,rgba(138,43,226,0.4) 70%,transparent 100%);
}
.survey-deco-line-l{left:clamp(12px,3vw,40px)}
.survey-deco-line-r{right:clamp(12px,3vw,40px)}

.survey-inner{position:relative;z-index:1;max-width:960px;margin:0 auto}

/* ヘッド */
.survey-head{
  display:flex;gap:20px;align-items:flex-start;
  margin-bottom:clamp(32px,5vw,56px);
  text-align:left;
}
.survey-head-icon{
  font-size:clamp(36px,6vw,56px);
  line-height:1;
  filter:drop-shadow(0 0 16px rgba(138,43,226,0.6));
  flex-shrink:0;
}
.survey-head-tag{
  font-size:11px;font-weight:900;letter-spacing:4px;
  color:rgba(192,160,60,0.8);
  margin-bottom:6px;
}
.survey-head-title{
  font-size:clamp(22px,4vw,36px);font-weight:900;
  color:#fff;line-height:1.3;margin:0 0 10px;
  text-shadow:0 2px 20px rgba(138,43,226,0.4);
}
.survey-head-sub{
  font-size:clamp(13px,1.8vw,15px);
  color:rgba(255,255,255,0.65);line-height:1.7;margin:0;
}

/* カードグリッド */
.survey-cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:20px;
}

/* 個別カード */
.survey-card{
  position:relative;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(138,43,226,0.3);
  border-radius:16px;
  padding:28px 24px;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .25s, box-shadow .25s, border-color .25s;
  overflow:hidden;
}
.survey-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(138,43,226,0.6),rgba(192,160,60,0.8),rgba(138,43,226,0.6));
}
.survey-card:hover{
  transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(138,43,226,0.25);
  border-color:rgba(138,43,226,0.55);
}
.survey-card-num{
  font-size:11px;font-weight:900;letter-spacing:3px;
  color:rgba(192,160,60,0.7);
}
.survey-card-title{
  font-size:clamp(16px,2.5vw,20px);font-weight:900;color:#fff;
  line-height:1.35;
}
.survey-card-desc{
  font-size:13px;color:rgba(255,255,255,0.6);line-height:1.7;flex:1;
}
.survey-card-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,rgba(138,43,226,0.7),rgba(100,30,180,0.8));
  border:1px solid rgba(138,43,226,0.5);
  color:#fff;font-size:14px;font-weight:700;
  padding:12px 20px;border-radius:10px;
  text-decoration:none;
  transition:background .2s, transform .15s, box-shadow .2s;
  margin-top:4px;
}
.survey-card-btn:hover{
  background:linear-gradient(135deg,rgba(160,60,255,0.85),rgba(120,40,210,0.9));
  transform:translateY(-1px);
  box-shadow:0 6px 24px rgba(138,43,226,0.4);
}