/* ============================================================
   NovelCraft Official Site — style.css v3
   Variables prefix: nc-
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;1,400&family=Noto+Sans+JP:wght@300;400;500;700&family=DM+Mono:ital,wght@0,300;0,400;1,300&display=swap');

/* ── Reset ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
img{display:block;max-width:100%;height:auto}
ul,ol{list-style:none}
button{cursor:pointer;font-family:inherit;border:none;background:none}
input,textarea{font-family:inherit}

/* ── Variables ── */
:root{
  /* Colors */
  --nc-bg:      #07080f;
  --nc-bg2:     #0b0d1a;
  --nc-bg3:     #0f1120;
  --nc-card:    #111325;
  --nc-card2:   #151729;
  --nc-gold:    #c8ab5c;
  --nc-gold2:   #e0c070;
  --nc-gp:      rgba(200,171,92,.10);
  --nc-gp2:     rgba(200,171,92,.18);
  --nc-bd:      rgba(200,171,92,.14);
  --nc-bd2:     rgba(200,171,92,.42);
  --nc-tx:      #eae6d8;
  --nc-tx2:     #9b9378;
  --nc-tx3:     #504d3b;
  --nc-teal:    #3a8c88;
  --nc-blue:    #4a6fa5;
  /* Radius */
  --nc-r1:4px; --nc-r2:10px; --nc-r3:18px;
  /* Transition */
  --nc-t:.28s cubic-bezier(.4,0,.2,1);
  /* Font */
  --nc-fd:'Cormorant Garamond','Times New Roman',serif;
  --nc-fb:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --nc-fm:'DM Mono','Courier New',monospace;
  /* Layout */
  --nc-nav:64px;
  --nc-max:1180px;
  --nc-px:clamp(1.2rem,5vw,5.5rem);
  --nc-py:clamp(3.5rem,8vw,7.5rem);
}

/* ── Base ── */
body{
  background:var(--nc-bg);
  color:var(--nc-tx);
  font-family:var(--nc-fb);
  font-weight:400;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* Stars */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(1px 1px at 8% 12%,rgba(255,255,255,.28) 0%,transparent 0%),
    radial-gradient(1px 1px at 23% 67%,rgba(255,255,255,.18) 0%,transparent 0%),
    radial-gradient(1.5px 1.5px at 39% 27%,rgba(255,255,255,.22) 0%,transparent 0%),
    radial-gradient(1px 1px at 54% 83%,rgba(255,255,255,.15) 0%,transparent 0%),
    radial-gradient(1px 1px at 68% 17%,rgba(255,255,255,.24) 0%,transparent 0%),
    radial-gradient(1px 1px at 79% 53%,rgba(255,255,255,.20) 0%,transparent 0%),
    radial-gradient(1.5px 1.5px at 89% 37%,rgba(255,255,255,.16) 0%,transparent 0%),
    radial-gradient(1px 1px at 14% 44%,rgba(255,255,255,.13) 0%,transparent 0%),
    radial-gradient(1px 1px at 59% 59%,rgba(255,255,255,.16) 0%,transparent 0%),
    radial-gradient(1px 1px at 34% 89%,rgba(255,255,255,.12) 0%,transparent 0%),
    radial-gradient(1px 1px at 46% 6%,rgba(255,255,255,.18) 0%,transparent 0%),
    radial-gradient(1px 1px at 93% 73%,rgba(255,255,255,.14) 0%,transparent 0%);
}

/* Noise */
.nc-noise{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.4;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.04'/%3E%3C/svg%3E");}

/* ── Typography ── */
h1,h2,h3{font-family:var(--nc-fd);font-weight:300;letter-spacing:.04em;line-height:1.15}
h1{font-size:clamp(2.5rem,5.5vw,5.2rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.9rem)}
h3{font-size:clamp(1.1rem,2vw,1.6rem)}
h4{font-size:.95rem;font-weight:600;letter-spacing:0}
p{font-size:.92rem;line-height:1.9}
a{color:var(--nc-gold2);text-decoration:none;transition:color var(--nc-t)}
a:hover{color:#fff}
code{font-family:var(--nc-fm);font-size:.82em;background:var(--nc-gp);color:var(--nc-gold2);padding:.1em .4em;border-radius:3px}

/* ══════════════════ NAV ══════════════════ */
.nav{
  position:fixed;top:0;left:0;right:0;
  height:var(--nc-nav);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 var(--nc-px);
  background:rgba(7,8,15,.9);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--nc-bd);
  z-index:999;
  transition:background var(--nc-t);
}
.nav-logo{
  font-family:var(--nc-fd);font-size:1.45rem;font-weight:400;
  color:var(--nc-gold2);letter-spacing:.08em;
  display:flex;align-items:center;gap:.55rem;
}
.nav-logo img{
  height:30px;width:30px;border-radius:8px;
  box-shadow:0 2px 10px rgba(0,0,0,.5);
}
.nav-logo .nav-ver{
  font-size:.6rem;font-family:var(--nc-fb);
  color:var(--nc-tx2);letter-spacing:.15em;text-transform:uppercase;
}
.nav-links{display:flex;align-items:center;gap:clamp(.6rem,2vw,1.8rem)}
.nav-links a{
  font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--nc-tx2);padding:.3rem 0;
  position:relative;transition:color var(--nc-t);
}
.nav-links a::after{
  content:'';position:absolute;bottom:0;left:0;
  width:0;height:1px;background:var(--nc-gold);transition:width var(--nc-t);
}
.nav-links a:hover,.nav-links a.active{color:var(--nc-gold2)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-dl{
  background:var(--nc-gold);color:var(--nc-bg)!important;
  padding:.4rem 1.1rem;border-radius:var(--nc-r1);
  font-size:.74rem;font-weight:500;
  transition:background var(--nc-t),transform var(--nc-t)!important;
}
.nav-dl:hover{background:var(--nc-gold2)!important;color:var(--nc-bg)!important;transform:translateY(-1px)}
.nav-dl::after{display:none!important}
.nav-burger{
  display:none;flex-direction:column;gap:5px;padding:4px;
}
.nav-burger span{
  display:block;width:22px;height:1.5px;
  background:var(--nc-tx2);transition:all var(--nc-t);
}

/* ══════════════════ LAYOUT ══════════════════ */
.nc-sec{
  position:relative;z-index:2;
  padding:var(--nc-py) var(--nc-px);
}
.nc-wrap{
  max-width:var(--nc-max);
  margin-left:auto;margin-right:auto;
}
.nc-hero-wrap{
  padding-top:calc(var(--nc-nav) + clamp(2.5rem,6vw,5.5rem));
  padding-bottom:clamp(2rem,5vw,4.5rem);
  padding-left:var(--nc-px);padding-right:var(--nc-px);
  position:relative;z-index:2;
  text-align:center;
}

/* Section header */
.nc-sh{text-align:center;margin-bottom:clamp(2.5rem,5vw,4.5rem)}
.nc-eye{
  display:inline-block;
  font-family:var(--nc-fm);font-size:.65rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--nc-gold);
  border:1px solid var(--nc-bd);border-radius:2rem;
  padding:.26rem 1rem;margin-bottom:.9rem;
}
.nc-div{
  width:52px;height:1px;
  background:linear-gradient(90deg,transparent,var(--nc-gold),transparent);
  margin:1.2rem auto;
}
.nc-lead{color:var(--nc-tx2);max-width:540px;margin:0 auto;font-size:.93rem}

/* Grids */
.nc-g2{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.nc-g3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.nc-g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}

/* ══════════════════ CARD ══════════════════ */
.nc-card{
  background:var(--nc-card);
  border:1px solid var(--nc-bd);
  border-radius:var(--nc-r2);
  padding:1.7rem;
  position:relative;overflow:hidden;
  transition:transform var(--nc-t),border-color var(--nc-t),background var(--nc-t),box-shadow var(--nc-t);
}
.nc-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--nc-gold),transparent);
  opacity:0;transition:opacity var(--nc-t);
}
.nc-card:hover{transform:translateY(-3px);border-color:var(--nc-bd2);background:var(--nc-card2);box-shadow:0 18px 44px rgba(0,0,0,.38)}
.nc-card:hover::before{opacity:1}

/* ══════════════════ BUTTONS ══════════════════ */
.nc-btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.7rem 1.8rem;border-radius:var(--nc-r1);
  font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;
  font-family:var(--nc-fb);font-weight:500;
  cursor:pointer;border:none;text-decoration:none;
  transition:all var(--nc-t);white-space:nowrap;
}
.nc-btn-p{background:var(--nc-gold);color:var(--nc-bg)}
.nc-btn-p:hover{background:var(--nc-gold2);color:var(--nc-bg);transform:translateY(-2px);box-shadow:0 8px 22px rgba(200,171,92,.3)}
.nc-btn-o{background:transparent;color:var(--nc-gold2);border:1px solid var(--nc-bd2)}
.nc-btn-o:hover{background:var(--nc-gp);color:var(--nc-gold2);transform:translateY(-2px)}
.nc-btn-g{background:transparent;color:var(--nc-tx2);border:1px solid var(--nc-bd)}
.nc-btn-g:hover{color:var(--nc-tx);border-color:var(--nc-bd2)}

/* ══════════════════ BADGES ══════════════════ */
.nc-badge{display:inline-block;font-size:.62rem;letter-spacing:.1em;text-transform:uppercase;padding:.18rem .62rem;border-radius:2rem;font-family:var(--nc-fm)}
.nc-b-gold {background:rgba(200,171,92,.13);color:var(--nc-gold2);border:1px solid rgba(200,171,92,.3)}
.nc-b-teal {background:rgba(58,140,136,.13);color:#6ec9c5;border:1px solid rgba(58,140,136,.3)}
.nc-b-blue {background:rgba(74,111,165,.13);color:#89afd4;border:1px solid rgba(74,111,165,.3)}
.nc-b-red  {background:rgba(180,70,70,.13);color:#e08080;border:1px solid rgba(180,70,70,.3)}
.nc-b-green{background:rgba(60,160,80,.13);color:#7ecb8e;border:1px solid rgba(60,160,80,.3)}

/* ══════════════════ IMAGE PLACEHOLDER ══════════════════ */
/* スクリーンショットを入れるまでの仮枠 */
.nc-ph{
  width:100%;
  background:linear-gradient(140deg,#0c0e22 0%,#161a35 100%);
  border:1.5px dashed var(--nc-bd2);
  border-radius:var(--nc-r2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.6rem;padding:2.5rem 1.5rem;
  color:var(--nc-tx3);font-family:var(--nc-fm);
  font-size:.72rem;letter-spacing:.1em;text-align:center;
  position:relative;overflow:hidden;
}
.nc-ph::before{
  content:'';position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,transparent,transparent 10px,rgba(200,171,92,.022) 10px,rgba(200,171,92,.022) 11px);
}
.nc-ph-ico{font-size:2rem;opacity:.35;position:relative;z-index:1}
.nc-ph-title{position:relative;z-index:1;color:var(--nc-bd2);font-size:.74rem;letter-spacing:.12em}
.nc-ph-sub{position:relative;z-index:1;font-size:.62rem;color:var(--nc-tx3);opacity:.7;line-height:1.6}

/* 実際の画像 */
.nc-img{width:100%;border-radius:var(--nc-r2);border:1px solid var(--nc-bd);display:block;object-fit:cover}

/* ══════════════════ FADE ANIMATIONS ══════════════════ */
.nc-fu{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.nc-fu.nc-on{opacity:1;transform:translateY(0)}
.nc-d1{transition-delay:.08s}.nc-d2{transition-delay:.16s}.nc-d3{transition-delay:.24s}.nc-d4{transition-delay:.32s}

/* ══════════════════ FOOTER ══════════════════ */
.nc-footer{
  position:relative;z-index:2;
  background:var(--nc-bg2);
  border-top:1px solid var(--nc-bd);
  padding:clamp(3rem,6vw,5rem) var(--nc-px) 2rem;
}
.nc-ft-in{max-width:var(--nc-max);margin:0 auto}
.nc-ft-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:3rem;
  padding-bottom:2.5rem;
  border-bottom:1px solid var(--nc-bd);
  margin-bottom:2rem;
}
.nc-ft-logo{font-family:var(--nc-fd);font-size:1.6rem;color:var(--nc-gold2);margin-bottom:.6rem}
.nc-ft-tag{font-size:.84rem;color:var(--nc-tx2);line-height:1.75;max-width:260px}
.nc-ft-col h5{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--nc-gold);font-family:var(--nc-fm);margin-bottom:.9rem;font-weight:400}
.nc-ft-col ul{display:flex;flex-direction:column;gap:.5rem}
.nc-ft-col ul a{font-size:.83rem;color:var(--nc-tx2)}
.nc-ft-col ul a:hover{color:var(--nc-tx)}
.nc-ft-bot{display:flex;justify-content:space-between;align-items:center;font-size:.77rem;color:var(--nc-tx3)}

/* ══════════════════ RESPONSIVE ══════════════════ */
@media(max-width:1024px){
  .nc-g4{grid-template-columns:repeat(2,1fr)}
  .nc-ft-grid{grid-template-columns:1fr 1fr;gap:2rem}
}
@media(max-width:768px){
  .nav-links{display:none}
  .nav-links.open{
    display:flex;flex-direction:column;
    position:fixed;top:var(--nc-nav);left:0;right:0;
    background:rgba(7,8,15,.97);backdrop-filter:blur(20px);
    padding:2rem var(--nc-px);gap:1.5rem;
    border-bottom:1px solid var(--nc-bd);z-index:998;
  }
  .nav-burger{display:flex}
  .nc-g2,.nc-g3,.nc-g4{grid-template-columns:1fr}
  .nc-ft-grid{grid-template-columns:1fr}
  .nc-ft-bot{flex-direction:column;gap:.75rem;text-align:center}
}