/* =========================================================
   コウノ2026 恋愛分岐のオントロジー — Official site (dynamic)
   summer-dusk / festival-eve theme
   ========================================================= */
:root{
  --bg-0:#0c0a1e; --bg-1:#150c2c; --bg-2:#1f1040;
  --ink:#f5eeff; --muted:#b7a9dd; --faint:#8a7db6;
  --line:rgba(255,255,255,.12);
  --pink:#ff5f9e; --magenta:#ff3d97; --sky:#49c6ff; --teal:#33d6c0; --gold:#f5c65a; --violet:#9b7bff;
  --kyoko:#ff7a5c; --taon:#46b3ff; --neina:#ff4da6; --watami:#a98bff;
  --active-c:var(--kyoko);
  --font-body:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN",sans-serif;
  --font-round:"Zen Maru Gothic","Zen Kaku Gothic New",sans-serif;
  --font-serif:"Shippori Mincho","Yu Mincho",serif;
  --font-latin:"Cinzel",serif;
  --wrap:1200px;
  --shadow:0 30px 70px -30px rgba(0,0,0,.7);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%;}
body{margin:0;overflow-x:hidden;background:var(--bg-0);color:var(--ink);
  font-family:var(--font-body);line-height:1.85;letter-spacing:.02em;-webkit-font-smoothing:antialiased;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,p,dl,dd,figure,blockquote{margin:0;}
button{font:inherit;color:inherit;cursor:pointer;}

/* ============ ANIMATED BACKGROUND ============ */
.bg-fx{position:fixed;inset:0;z-index:-3;overflow:hidden;background:
  radial-gradient(120% 90% at 50% -10%,#241247,var(--bg-0) 60%),
  linear-gradient(180deg,#160c30,#0b0819 100%);}
.bg-fx .blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.5;mix-blend-mode:screen;will-change:transform;}
.blob.b1{width:52vw;height:52vw;left:-10vw;top:-8vw;background:radial-gradient(circle,#ff3d97,transparent 68%);animation:blob1 26s ease-in-out infinite;}
.blob.b2{width:46vw;height:46vw;right:-12vw;top:2vw;background:radial-gradient(circle,#49c6ff,transparent 68%);animation:blob2 32s ease-in-out infinite;}
.blob.b3{width:44vw;height:44vw;left:16vw;bottom:-14vw;background:radial-gradient(circle,#33d6c0,transparent 70%);animation:blob3 30s ease-in-out infinite;}
.blob.b4{width:40vw;height:40vw;right:6vw;bottom:-8vw;background:radial-gradient(circle,#9b7bff,transparent 70%);animation:blob4 36s ease-in-out infinite;}
.blob.b5{width:34vw;height:34vw;left:40vw;top:24vw;background:radial-gradient(circle,#f5c65a,transparent 72%);opacity:.32;animation:blob2 40s ease-in-out infinite reverse;}
.bg-stars{position:absolute;inset:0;background-image:
  radial-gradient(1.4px 1.4px at 20% 30%,rgba(255,255,255,.9),transparent),
  radial-gradient(1.2px 1.2px at 70% 20%,rgba(255,255,255,.7),transparent),
  radial-gradient(1.6px 1.6px at 80% 60%,rgba(255,255,255,.8),transparent),
  radial-gradient(1.2px 1.2px at 40% 70%,rgba(255,255,255,.6),transparent),
  radial-gradient(1.3px 1.3px at 15% 85%,rgba(255,255,255,.7),transparent),
  radial-gradient(1.2px 1.2px at 55% 45%,rgba(255,255,255,.5),transparent);
  background-repeat:repeat;background-size:auto;opacity:.5;animation:twinkleBg 6s ease-in-out infinite;}
.bg-grain{position:fixed;inset:0;z-index:-2;pointer-events:none;opacity:.05;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}
.particles{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;}
.particles i{position:absolute;top:-24px;width:11px;height:13px;border-radius:80% 6% 80% 6%;
  background:radial-gradient(circle at 32% 28%,#ffe1ec,#ff8bbf 60%,#ff5f9e);opacity:.7;animation:pFall linear infinite;}
.particles i.spark{width:4px;height:4px;border-radius:50%;background:radial-gradient(circle,#fff,rgba(255,220,150,0));box-shadow:0 0 8px #ffd98a;}

@media (prefers-reduced-motion:reduce){
  .blob,.bg-stars,.particles i{animation:none!important;}
}

/* ============ REVEAL ============ */
[data-reveal]{opacity:0;transform:translateY(30px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1);}
[data-reveal].in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){[data-reveal]{opacity:1;transform:none;}}

/* ============ NAV ============ */
.nav{position:fixed;inset:0 0 auto 0;z-index:100;display:flex;align-items:center;gap:20px;
  padding:14px clamp(16px,4vw,40px);transition:background .3s,padding .3s,box-shadow .3s;}
.nav.solid{background:rgba(11,8,24,.72);backdrop-filter:blur(14px);box-shadow:0 10px 30px -18px #000;padding-top:10px;padding-bottom:10px;}
.nav-brand img{height:clamp(30px,4.4vw,42px);width:auto;filter:drop-shadow(0 3px 10px rgba(0,0,0,.5));}
.nav-links{display:flex;gap:clamp(14px,2vw,30px);margin-left:auto;}
.nav-links a{font-family:var(--font-latin);font-weight:600;letter-spacing:.14em;font-size:.82rem;color:var(--ink);
  position:relative;padding:6px 2px;opacity:.86;transition:opacity .2s,color .2s;}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;transform:scaleX(0);transform-origin:left;
  background:linear-gradient(90deg,var(--pink),var(--sky));transition:transform .25s;}
.nav-links a:hover{opacity:1;}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:#fff;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:6px;}
.nav-release{display:flex;flex-direction:column;line-height:1;text-align:right;}
.nav-release b{font-family:var(--font-latin);font-weight:800;font-size:.98rem;color:#fff;letter-spacing:.02em;}
.nav-release i{font-style:normal;font-family:var(--font-latin);font-size:.56rem;letter-spacing:.3em;color:var(--pink);}
.nav-burger{display:none;width:44px;height:44px;border:none;border-radius:12px;background:linear-gradient(135deg,var(--magenta),var(--violet));
  flex-direction:column;gap:5px;align-items:center;justify-content:center;box-shadow:0 10px 22px -10px var(--magenta);}
.nav-burger span{width:19px;height:2px;background:#fff;border-radius:2px;transition:.25s;}
.menu-open .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-open .nav-burger span:nth-child(2){opacity:0;}
.menu-open .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ DRAWER ============ */
.drawer{position:fixed;inset:0;z-index:99;visibility:hidden;}
.drawer::before{content:"";position:absolute;inset:0;background:rgba(6,4,14,.6);opacity:0;transition:opacity .35s;}
.drawer-panel{position:absolute;top:0;right:0;height:100%;width:min(360px,88vw);overflow-y:auto;padding:70px 28px 30px;
  background:linear-gradient(180deg,#1a0f36,#0e0922);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .4s cubic-bezier(.3,.8,.2,1);box-shadow:-30px 0 60px -30px #000;}
.menu-open .drawer{visibility:visible;}
.menu-open .drawer::before{opacity:1;}
.menu-open .drawer-panel{transform:none;}
.drawer-close{position:absolute;top:16px;right:20px;border:none;background:none;font-size:2rem;line-height:1;color:var(--muted);}
.drawer-title{font-family:var(--font-latin);letter-spacing:.3em;font-size:.7rem;color:var(--faint);}
.drawer-panel>a{display:flex;align-items:baseline;gap:12px;padding:14px 6px;border-bottom:1px solid var(--line);
  font-family:var(--font-latin);font-weight:600;letter-spacing:.08em;font-size:1.15rem;color:var(--ink);transition:color .2s,padding .2s;}
.drawer-panel>a i{font-style:normal;font-size:.7rem;color:var(--sky);}
.drawer-panel>a em{margin-left:auto;font-style:normal;font-family:var(--font-body);font-size:.74rem;color:var(--muted);letter-spacing:.06em;}
.drawer-panel>a:hover{color:var(--pink);padding-left:12px;}
.drawer-sub{margin:22px 0 6px;font-family:var(--font-latin);letter-spacing:.24em;font-size:.68rem;color:var(--faint);}
.drawer-heroines a{display:flex;align-items:center;gap:10px;padding:9px 6px;color:var(--ink);opacity:.9;}
.drawer-heroines a span{width:11px;height:11px;border-radius:50%;background:var(--c);box-shadow:0 0 0 3px color-mix(in srgb,var(--c) 26%,transparent);}
.drawer-heroines a:hover{opacity:1;}
.drawer-foot{margin-top:24px;font-family:var(--font-latin);letter-spacing:.14em;font-size:.66rem;color:var(--faint);}

/* ============ RAIL (desktop) ============ */
.rail{position:fixed;right:22px;top:50%;transform:translateY(-50%);z-index:80;display:flex;flex-direction:column;gap:16px;}
.rail a{display:flex;align-items:center;gap:10px;justify-content:flex-end;color:var(--muted);}
.rail a span{width:10px;height:10px;border-radius:50%;border:2px solid rgba(255,255,255,.4);transition:.25s;}
.rail a b{font-family:var(--font-latin);font-size:.6rem;letter-spacing:.14em;opacity:0;transform:translateX(6px);transition:.25s;font-weight:700;}
.rail a:hover b{opacity:.9;transform:none;}
.rail a.active span{border-color:var(--pink);background:var(--pink);box-shadow:0 0 12px var(--pink);transform:scale(1.15);}
.rail a.active b{opacity:1;transform:none;color:#fff;}

/* ============ SECTION shells ============ */
.section{position:relative;max-width:var(--wrap);margin:0 auto;padding:clamp(70px,10vw,130px) clamp(20px,5vw,44px);}
.sec-head{margin-bottom:clamp(30px,5vw,60px);position:relative;}
.sec-head.sub{margin-top:clamp(50px,7vw,90px);}
.sec-en{display:block;font-family:var(--font-latin);font-weight:900;letter-spacing:.06em;line-height:.9;
  font-size:clamp(2.6rem,9vw,6rem);color:transparent;
  background:linear-gradient(120deg,#fff,#ffd1e6 40%,#8fe3ff);-webkit-background-clip:text;background-clip:text;
  filter:drop-shadow(0 6px 24px rgba(255,80,160,.25));position:relative;}
.sec-en::before{content:attr(data-text);position:absolute;inset:0;-webkit-text-stroke:1px rgba(255,255,255,.14);
  color:transparent;-webkit-background-clip:initial;background:none;transform:translate(6px,6px);z-index:-1;}
.sec-en.alt{background:linear-gradient(120deg,#ffd1e6,#ff3d97 50%,#9b7bff);-webkit-background-clip:text;background-clip:text;}
.sec-jp{font-family:var(--font-round);font-weight:900;font-size:clamp(1.1rem,2.6vw,1.7rem);margin-top:6px;color:#fff;letter-spacing:.04em;}
.sec-jp b{font-weight:700;color:var(--muted);font-size:.78em;}
.sec-note{margin-top:10px;color:var(--muted);font-size:.95rem;}

/* ============ HERO ============ */
.hero{position:relative;min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:110px 20px 60px;overflow:hidden;}
.hero-glow{position:absolute;left:50%;top:34%;width:min(900px,120%);height:min(900px,120%);transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(255,95,158,.28),rgba(73,198,255,.14) 42%,transparent 66%);filter:blur(24px);z-index:0;animation:heroGlow 7s ease-in-out infinite;}
.hero-lineup{position:absolute;z-index:1;bottom:-2%;left:50%;transform:translateX(-50%);width:min(1180px,120%);max-width:none;
  -webkit-mask-image:linear-gradient(180deg,#000 72%,transparent 98%);mask-image:linear-gradient(180deg,#000 72%,transparent 98%);
  filter:drop-shadow(0 30px 50px rgba(0,0,0,.5)) saturate(1.05);opacity:.96;}
.hero-veil{position:absolute;z-index:2;inset:auto 0 0 0;height:42%;background:linear-gradient(180deg,transparent,var(--bg-0) 94%);}
.hero-inner{position:relative;z-index:3;width:100%;max-width:920px;}
.hero-kicker{display:flex;gap:.8em;align-items:center;justify-content:center;flex-wrap:wrap;
  font-family:var(--font-round);font-weight:700;color:#cfe6ff;font-size:clamp(.8rem,2vw,1rem);letter-spacing:.06em;margin-bottom:16px;}
.hero-kicker span{background:linear-gradient(135deg,var(--magenta),var(--violet));color:#fff;padding:4px 14px;border-radius:999px;
  font-family:var(--font-latin);font-size:.72rem;letter-spacing:.18em;box-shadow:0 8px 20px -8px var(--magenta);}
.hero-logo{margin:0 auto;}
.hero-logo img{width:min(760px,94%);margin:0 auto;filter:drop-shadow(0 18px 40px rgba(0,0,0,.55)) drop-shadow(0 0 40px rgba(255,90,170,.35));
  animation:logoIn 1.2s cubic-bezier(.2,.8,.2,1) both;}
.hero-tag{font-family:var(--font-round);font-weight:700;font-size:clamp(1rem,2.6vw,1.4rem);margin-top:14px;color:#eaf3ff;text-shadow:0 2px 20px rgba(0,0,0,.6);}
.hero-tag b{display:block;font-weight:900;color:#fff;}
.hero-date{display:inline-flex;align-items:baseline;gap:12px;margin-top:26px;padding:12px 28px;border-radius:999px;
  background:linear-gradient(120deg,rgba(255,61,151,.22),rgba(73,198,255,.22));border:1px solid rgba(255,255,255,.28);
  box-shadow:0 20px 44px -20px rgba(255,61,151,.7),inset 0 0 20px rgba(255,255,255,.08);backdrop-filter:blur(4px);}
.hd-en{font-family:var(--font-latin);letter-spacing:.24em;font-size:.72rem;color:#ffd9ec;}
.hd-num{font-family:var(--font-latin);font-weight:900;font-size:clamp(1.8rem,5vw,2.9rem);line-height:1;color:#fff;
  text-shadow:0 0 26px rgba(255,120,190,.6);letter-spacing:.02em;}
.hd-num i{font-style:normal;color:var(--pink);margin:0 1px;}
.hd-jp{font-family:var(--font-round);font-weight:900;font-size:1.05rem;color:#fff;}
.hero-count{margin-top:16px;font-family:var(--font-round);font-weight:700;color:#ffdff0;font-size:clamp(.9rem,2.2vw,1.06rem);min-height:1.2em;}
.hero-count b{font-family:var(--font-latin);font-size:1.4em;color:var(--gold);}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:26px;}
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--font-round);font-weight:700;padding:14px 32px;border-radius:999px;
  font-size:1rem;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s;}
.btn-fill{background:linear-gradient(135deg,var(--magenta),var(--violet));color:#fff;box-shadow:0 18px 36px -16px var(--magenta);}
.btn-fill:hover{transform:translateY(-3px);box-shadow:0 26px 46px -16px var(--magenta);}
.btn-line{border:2px solid rgba(255,255,255,.5);color:#fff;background:rgba(255,255,255,.06);}
.btn-line:hover{transform:translateY(-3px);border-color:#fff;background:rgba(255,255,255,.12);}
.hero-scroll{position:absolute;z-index:3;bottom:20px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:#cfe6ff;}
.hero-scroll b{font-family:var(--font-latin);font-size:.6rem;letter-spacing:.3em;}
.hero-scroll span{width:1px;height:36px;background:linear-gradient(var(--sky),transparent);animation:scrollLine 1.8s ease-in-out infinite;}

/* ============ MARQUEE ============ */
.marquee{background:linear-gradient(90deg,var(--magenta),var(--pink),var(--sky),var(--teal));overflow:hidden;padding:12px 0;position:relative;z-index:1;}
.marquee-track{display:inline-flex;align-items:center;gap:26px;white-space:nowrap;padding-left:26px;animation:marq 28s linear infinite;}
.marquee-track span{font-family:var(--font-latin);font-weight:800;letter-spacing:.18em;color:#fff;font-size:1rem;}
.marquee-track i{color:rgba(255,255,255,.75);font-style:normal;}

/* ============ STORY ============ */
.story-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(24px,4vw,54px);align-items:center;}
.story-copy{min-width:0;}
.story-lead{font-family:var(--font-serif);font-weight:600;font-size:clamp(1.2rem,3vw,1.7rem);line-height:1.6;
  color:#fff;margin-bottom:20px;text-shadow:0 2px 20px rgba(255,80,160,.25);}
.story-copy p{color:#d9cff0;margin-bottom:12px;}
.story-visual{position:relative;min-width:0;border-radius:20px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.story-visual img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .8s;}
.story-visual:hover img{transform:scale(1.06);}
.story-visual figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 18px 14px;color:#fff;font-family:var(--font-serif);
  background:linear-gradient(0deg,rgba(8,4,18,.82),transparent);}

/* locked band */
.locked-band{position:relative;margin-top:clamp(44px,6vw,74px);border-radius:22px;overflow:hidden;border:1px solid rgba(255,120,180,.28);
  background:radial-gradient(120% 130% at 18% 0%,#3a0f3c,#0d0820 72%);box-shadow:var(--shadow);}
.locked-stripes{position:absolute;inset:0;opacity:.1;background:repeating-linear-gradient(45deg,#fff 0 14px,transparent 14px 34px);}
.locked-in{position:relative;text-align:center;padding:clamp(36px,6vw,66px) clamp(22px,5vw,50px);}
.lock-i{font-size:2rem;}
.locked-en{font-family:var(--font-latin);letter-spacing:.34em;font-size:clamp(.9rem,2.4vw,1.4rem);color:#ffd9ec;margin:12px 0 4px;}
.locked-q{font-family:var(--font-round);font-weight:900;font-size:clamp(1.7rem,5.5vw,2.8rem);letter-spacing:.1em;color:#fff;text-shadow:0 0 26px rgba(255,80,160,.6);}
.locked-note{margin-top:14px;color:#e7d6ef;font-family:var(--font-serif);}
.locked-note span{display:block;font-size:.8rem;color:var(--faint);margin-top:6px;font-family:var(--font-body);}
.locked-tag{display:inline-block;margin-top:18px;padding:6px 22px;border:1px solid rgba(255,255,255,.5);border-radius:999px;font-family:var(--font-latin);letter-spacing:.3em;font-size:.72rem;}

/* ============ CHARACTER (interactive) ============ */
.character{max-width:1260px;}
.char-stage{display:grid;grid-template-columns:.95fr 1.05fr;gap:clamp(16px,3vw,40px);align-items:center;
  border-radius:28px;padding:clamp(20px,3vw,40px);position:relative;overflow:hidden;
  background:linear-gradient(135deg,color-mix(in srgb,var(--active-c) 20%,rgba(20,12,40,.6)),rgba(12,8,26,.72));
  border:1px solid color-mix(in srgb,var(--active-c) 40%,var(--line));
  box-shadow:0 40px 90px -46px color-mix(in srgb,var(--active-c) 70%,#000);transition:background .5s,border-color .5s,box-shadow .5s;}
.char-stage::before{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 90% at 20% 110%,color-mix(in srgb,var(--active-c) 40%,transparent),transparent 60%);transition:background .5s;}
.char-arts{position:relative;min-width:0;height:clamp(360px,52vw,560px);}
.char-halo{position:absolute;left:50%;bottom:4%;transform:translateX(-50%);width:80%;height:70%;border-radius:50%;
  background:radial-gradient(closest-side,color-mix(in srgb,var(--active-c) 55%,transparent),transparent 72%);filter:blur(8px);transition:background .5s;}
.char-art{position:absolute;left:50%;bottom:0;transform:translateX(-50%) scale(.98);height:100%;width:auto;max-width:none;object-fit:contain;
  opacity:0;filter:drop-shadow(0 24px 30px rgba(0,0,0,.45));transition:opacity .5s ease,transform .6s ease;pointer-events:none;}
.char-art.is-active{opacity:1;transform:translateX(-50%) scale(1);animation:artIn .6s cubic-bezier(.2,.8,.2,1);}
.char-detail{position:relative;min-width:0;}
.char-panel{display:none;}
.char-panel.is-active{display:block;animation:panelIn .5s ease both;}
.cp-no{font-family:var(--font-latin);letter-spacing:.14em;color:var(--muted);font-size:.86rem;}
.cp-no b{color:var(--active-c);font-size:1.35em;}
.cp-theme{display:inline-block;margin:8px 0 12px;font-family:var(--font-latin);font-weight:800;letter-spacing:.16em;font-size:.8rem;color:#0d0820;
  background:var(--active-c);padding:6px 16px;border-radius:999px;box-shadow:0 12px 24px -12px var(--active-c);}
.cp-theme em{font-style:normal;font-family:var(--font-round);letter-spacing:.05em;margin-left:.5em;opacity:.85;}
.cp-name{font-family:var(--font-round);font-weight:900;font-size:clamp(1.9rem,5vw,3rem);line-height:1.12;color:#fff;
  display:flex;align-items:baseline;gap:.6em;flex-wrap:wrap;overflow-wrap:anywhere;}
.cp-name span{font-family:var(--font-latin);font-size:.36em;letter-spacing:.14em;color:var(--active-c);font-weight:700;}
.cp-meta{color:var(--muted);font-size:.88rem;margin:8px 0 16px;}
.cp-desc{color:#e2d8f4;font-size:1rem;line-height:1.95;overflow-wrap:anywhere;}
.cp-quote{margin-top:18px;font-family:var(--font-serif);font-size:1.12rem;color:var(--active-c);padding-left:16px;border-left:3px solid var(--active-c);overflow-wrap:anywhere;}

.char-select{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(10px,1.6vw,18px);margin-top:clamp(20px,3vw,32px);}
.cs-btn{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 8px 12px;border-radius:18px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);overflow:hidden;transition:transform .2s,border-color .3s,background .3s;min-width:0;}
.cs-btn img{width:70px;height:70px;border-radius:50%;object-fit:cover;object-position:top center;border:2px solid rgba(255,255,255,.2);transition:border-color .3s,transform .3s;filter:grayscale(.35) brightness(.86);}
.cs-btn b{font-family:var(--font-round);font-weight:700;font-size:.82rem;color:var(--ink);}
.cs-btn i{position:absolute;top:8px;right:10px;font-style:normal;font-family:var(--font-latin);font-size:.66rem;color:var(--faint);}
.cs-btn:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--c) 60%,var(--line));}
.cs-btn:hover img{filter:none;}
.cs-btn.is-active{background:linear-gradient(180deg,color-mix(in srgb,var(--c) 26%,transparent),rgba(255,255,255,.04));border-color:var(--c);box-shadow:0 16px 30px -16px var(--c);}
.cs-btn.is-active img{border-color:var(--c);filter:none;transform:scale(1.05);}
.cs-btn.is-active b{color:#fff;}
.cs-btn.is-active i{color:var(--c);}

/* ============ SYSTEM ============ */
.system{max-width:1120px;}
.sys-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,22px);}
.sys-card{position:relative;min-width:0;border-radius:20px;padding:28px 22px 24px;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:var(--shadow);}
.sys-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--pink),var(--sky));}
.sys-no{font-family:var(--font-latin);font-weight:900;font-size:2rem;color:transparent;-webkit-text-stroke:1.4px var(--sky);}
.sys-card h3{font-family:var(--font-round);font-weight:900;font-size:1.12rem;margin:8px 0;color:#fff;}
.sys-card p{color:var(--muted);font-size:.9rem;line-height:1.8;}
.sys-card.secret{background:radial-gradient(130% 130% at 100% 0%,#3a0f3c,#0d0820);}
.sys-card.secret::before{background:repeating-linear-gradient(90deg,#fff 0 8px,transparent 8px 18px);opacity:.5;}
.sys-card.secret .sys-no{-webkit-text-stroke:1.4px var(--magenta);}
.sys-card.secret h3{letter-spacing:.14em;}
.mini-tag{display:inline-block;margin-top:8px;font-family:var(--font-latin);letter-spacing:.2em;font-size:.64rem;border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:2px 12px;color:#fff;}

/* ============ GALLERY ============ */
.gal-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(12px,2vw,22px);}
.shot{position:relative;min-width:0;border-radius:16px;overflow:hidden;box-shadow:var(--shadow);cursor:pointer;background:#0a0716;border:1px solid var(--line);}
.shot img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .6s,filter .4s;}
.shot:hover img{transform:scale(1.08);}
.shot figcaption{position:absolute;left:0;right:0;bottom:0;padding:24px 14px 10px;color:#fff;font-size:.86rem;font-family:var(--font-round);
  background:linear-gradient(0deg,rgba(8,4,18,.8),transparent);}
.shot:not(.locked)::after{content:"＋";position:absolute;top:10px;right:12px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;
  background:rgba(0,0,0,.4);color:#fff;opacity:0;transition:opacity .3s;}
.shot:not(.locked):hover::after{opacity:1;}
.locked-grid{grid-template-columns:repeat(4,1fr);}
.shot.locked{cursor:not-allowed;border-color:color-mix(in srgb,var(--c) 44%,var(--line));}
.shot.locked img{filter:saturate(.5) brightness(.62);}
.lock-ov{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:#fff;
  background:linear-gradient(135deg,color-mix(in srgb,var(--c) 34%,rgba(10,6,20,.76)),rgba(10,6,20,.82));}
.lock-ov::before{content:"";position:absolute;inset:0;opacity:.14;background:repeating-linear-gradient(45deg,#fff 0 10px,transparent 10px 24px);}
.lock-ov span{font-size:1.6rem;}
.lock-ov b{font-family:var(--font-latin);letter-spacing:.28em;font-size:.78rem;border:1px solid rgba(255,255,255,.6);padding:3px 14px;border-radius:999px;}
.shot.locked figcaption{z-index:1;background:linear-gradient(0deg,rgba(6,3,14,.86),transparent);}

/* ============ SPEC ============ */
.spec{max-width:1040px;}
.spec-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(22px,4vw,48px);align-items:center;position:relative;overflow:hidden;
  border-radius:28px;padding:clamp(30px,5vw,54px);border:1px solid rgba(255,120,180,.25);
  background:radial-gradient(120% 120% at 100% 0%,#3a0f3c,#0d0820 70%);box-shadow:var(--shadow);}
.spec-panel::before{content:"";position:absolute;right:-70px;top:-70px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(255,95,158,.4),transparent 70%);}
.spec-head{position:relative;z-index:1;min-width:0;}
.spec-head h2{font-family:var(--font-round);font-weight:900;font-size:clamp(1.3rem,3vw,1.8rem);line-height:1.35;margin-top:8px;color:#fff;overflow-wrap:anywhere;}
.spec-head h2 b{color:var(--pink);}
.spec-rel{margin-top:12px;font-family:var(--font-latin);letter-spacing:.2em;color:#ffd9ec;font-size:.86rem;}
.spec-list{position:relative;z-index:1;min-width:0;}
.spec-list>div{display:grid;grid-template-columns:132px 1fr;gap:14px;padding:13px 4px;border-bottom:1px solid rgba(255,255,255,.14);}
.spec-list dt{font-family:var(--font-round);font-weight:700;color:#ffd9ec;font-size:.84rem;}
.spec-list dd{color:#fff;font-size:.95rem;overflow-wrap:anywhere;}

/* ============ FOOTER ============ */
.foot{text-align:center;padding:60px 20px 46px;border-top:1px solid var(--line);background:linear-gradient(180deg,transparent,rgba(0,0,0,.35));}
.foot-logo{width:min(320px,74%);margin:0 auto 14px;filter:drop-shadow(0 6px 20px rgba(0,0,0,.5));}
.foot-rel{font-family:var(--font-latin);letter-spacing:.24em;color:var(--pink);font-size:.86rem;}
.foot-copy{color:var(--faint);font-size:.72rem;margin-top:10px;letter-spacing:.06em;}

/* ============ LIGHTBOX ============ */
.lightbox{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(6,3,14,.9);backdrop-filter:blur(6px);opacity:0;visibility:hidden;transition:opacity .3s;}
.lightbox.open{opacity:1;visibility:visible;}
.lightbox figure{max-width:min(1120px,94vw);}
.lightbox img{width:100%;max-height:82vh;object-fit:contain;border-radius:12px;box-shadow:0 40px 80px -20px #000;}
.lightbox figcaption{text-align:center;color:#fff;font-family:var(--font-serif);margin-top:12px;letter-spacing:.06em;}
.lb-close{position:absolute;top:18px;right:22px;width:46px;height:46px;border:none;border-radius:50%;background:rgba(255,255,255,.14);color:#fff;font-size:1.7rem;}

/* ============ KEYFRAMES ============ */
@keyframes blob1{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(8vw,6vw) scale(1.15);}}
@keyframes blob2{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-7vw,5vw) scale(1.1);}}
@keyframes blob3{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(6vw,-6vw) scale(1.18);}}
@keyframes blob4{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-6vw,-5vw) scale(1.12);}}
@keyframes twinkleBg{0%,100%{opacity:.4;}50%{opacity:.7;}}
@keyframes pFall{0%{transform:translateY(-24px) translateX(0) rotate(0);opacity:0;}10%{opacity:.7;}
  50%{transform:translateY(52vh) translateX(28px) rotate(180deg);}100%{transform:translateY(104vh) translateX(-16px) rotate(340deg);opacity:0;}}
@keyframes heroGlow{0%,100%{opacity:.75;transform:translate(-50%,-50%) scale(1);}50%{opacity:1;transform:translate(-50%,-50%) scale(1.08);}}
@keyframes logoIn{0%{opacity:0;transform:translateY(20px) scale(.96);}100%{opacity:1;transform:none;}}
@keyframes scrollLine{0%,100%{transform:scaleY(.4);opacity:.4;transform-origin:top;}50%{transform:scaleY(1);opacity:1;}}
@keyframes marq{to{transform:translateX(-50%);}}
@keyframes artIn{0%{opacity:0;transform:translateX(-50%) translateY(14px) scale(.98);}100%{opacity:1;transform:translateX(-50%) translateY(0) scale(1);}}
@keyframes panelIn{0%{opacity:0;transform:translateY(16px);}100%{opacity:1;transform:none;}}

/* ============ NO-JS fallback ============ */
.no-js .char-panel{display:block;margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:20px;}
.no-js .char-arts,.no-js .char-select,.no-js .rail,.no-js .hero-count{display:none;}
.no-js [data-reveal]{opacity:1;transform:none;}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){ .rail{display:none;} }
@media (max-width:900px){
  .nav-links{display:none;}
  .nav-burger{display:flex;}
  .nav-right{margin-left:auto;}
  .story-grid{grid-template-columns:1fr;}
  .char-stage{grid-template-columns:1fr;}
  .char-arts{height:clamp(340px,80vw,460px);order:-1;}
  .char-detail{text-align:center;}
  .cp-name{justify-content:center;}
  .cp-quote{border-left:none;border-top:2px solid var(--active-c);padding-left:0;padding-top:10px;display:inline-block;}
  .cp-theme{margin-left:auto;margin-right:auto;}
  .sys-grid{grid-template-columns:repeat(2,1fr);}
  .locked-grid{grid-template-columns:repeat(2,1fr);}
  .spec-panel{grid-template-columns:1fr;}
}
@media (max-width:620px){
  .gal-grid{grid-template-columns:repeat(2,1fr);}
  .nav-release{display:none;}
  .hero-lineup{width:160%;}
  .char-select{grid-template-columns:repeat(2,1fr);}
  .cs-btn i{display:none;}
}
@media (max-width:430px){
  .sys-grid{grid-template-columns:1fr;}
  .locked-grid{grid-template-columns:1fr;}
  .spec-list>div{grid-template-columns:104px 1fr;}
}