/* works.css — works.html 固有スタイル (共通は common.css) */

/* ---------- nav (docked) ---------- */
header.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  background:rgba(251,244,226,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-inner{position:relative;display:flex;align-items:center;justify-content:center;height:74px}
.nav-logo{position:absolute;left:0;top:50%;transform:translateY(-50%)}
.nav-logo img{height:30px;width:auto}
.nav-links{display:flex;gap:clamp(30px,4.4vw,58px);align-items:center}
.nav-links a{font-family:"Antic Slab",serif;font-size:clamp(15px,1.15vw,18px);font-weight:400;letter-spacing:.16em;color:var(--brown-deep);position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--amber);transition:right .3s ease}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-cta{
  position:absolute;right:0;top:50%;transform:translateY(-50%);
  background:var(--red);color:var(--cream);padding:11px 24px;border-radius:999px;
  font-family:"Antic Slab",serif;font-size:14px;letter-spacing:.12em;font-weight:400;
  box-shadow:0 10px 22px -12px rgba(155,48,35,.8);transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-50%) translateY(-2px);box-shadow:0 16px 28px -12px rgba(155,48,35,.9)}
.nav-menu{display:contents}
.nav-toggle{display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border:none;background:transparent;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:6px;padding:0;z-index:60}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--brown-deep);border-radius:2px;transition:transform .3s ease,opacity .25s ease}
header.nav.open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
header.nav.open .nav-toggle span:nth-child(2){opacity:0}
header.nav.open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ---------- page header ---------- */
.page-head{position:relative;background:var(--cream);overflow:hidden;padding:150px 0 70px;text-align:center}
.page-head .ribbon-wrap{position:absolute;inset:0;z-index:1;pointer-events:none}
.page-head svg{position:absolute;inset:0;width:100%;height:100%;display:block;filter:blur(3px)}
.page-head .wrap{position:relative;z-index:2}
.page-head .sec-tag{display:inline-block;font-family:"Antic Slab",serif;font-size:14px;letter-spacing:.22em;color:var(--amber-deep);margin-bottom:14px;text-transform:uppercase}
.page-head h1{font-size:clamp(30px,4.4vw,52px);line-height:1.3}
.page-head p{margin:20px auto 0;max-width:40em;color:var(--brown);font-size:16px}

/* ---------- works body ---------- */
.works-sec{padding:64px 0 96px}

/* year tabs (2025 / 2026) */
.year-tabs{display:flex;justify-content:center;gap:14px;margin-bottom:48px}
.year-tab{
  font-family:"Antic Slab",serif;font-size:19px;letter-spacing:.12em;line-height:1;
  color:var(--brown-deep);background:var(--cream);border:1.5px solid var(--line);
  padding:13px 34px;border-radius:999px;text-decoration:none;
  transition:background .25s,color .25s,border-color .25s,transform .25s;
}
.year-tab:hover{border-color:var(--amber);transform:translateY(-2px)}
.year-tab.active{background:var(--brown-deep);color:var(--cream);border-color:var(--brown-deep)}
.works-empty{text-align:center;color:var(--brown);font-size:15px;padding:60px 0 20px;opacity:.78}

/* filter chips */
.works-filter{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-bottom:52px}
.filter-chip{
  font-family:"Antic Slab",serif;font-size:13px;letter-spacing:.12em;
  color:var(--brown-deep);background:transparent;border:1px solid var(--line);
  padding:10px 22px;border-radius:999px;cursor:pointer;transition:background .25s,color .25s,border-color .25s;
}
.filter-chip:hover{border-color:var(--amber)}
.filter-chip.active{background:var(--brown-deep);color:var(--cream);border-color:var(--brown-deep)}

/* grid */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.work-card{position:relative;display:flex;flex-direction:column;border-radius:22px;overflow:hidden;background:var(--cream);border:1px solid var(--line);transition:transform .35s,box-shadow .35s,opacity .3s}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.work-card.hide{display:none}
.work-thumb{position:relative;aspect-ratio:154/81;background:var(--cream-deep)}
a.work-thumb{display:block;cursor:pointer}
.work-thumb-go{position:absolute;top:14px;right:14px;z-index:4;width:32px;height:32px;border-radius:50%;background:var(--cream);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--brown-deep);opacity:0;transform:translateY(-4px);transition:opacity .25s,transform .25s,background .2s,color .2s;pointer-events:none}
.work-thumb-go svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.work-card:hover .work-thumb-go{opacity:1;transform:translateY(0)}
.work-thumb-link:hover .work-thumb-go{background:var(--red);color:var(--cream);border-color:var(--red)}
.work-thumb image-slot{width:100%;height:100%;display:block}
.work-img{width:100%;height:100%;object-fit:contain;object-position:center;display:block;background:var(--cream-deep)}
.work-cat{position:absolute;top:16px;left:16px;z-index:3;font-family:"Antic Slab",serif;font-size:11px;letter-spacing:.14em;background:var(--brown-deep);color:var(--cream);padding:6px 13px;border-radius:999px}
.work-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.work-client{font-family:"Antic Slab",serif;font-size:11.5px;letter-spacing:.14em;color:var(--amber-deep);text-transform:uppercase;margin-bottom:9px}
.work-body h3{font-size:19px;margin-bottom:8px}
.work-body p{font-size:13.5px;color:var(--brown);line-height:1.85}
.work-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:16px}
.work-meta span{font-size:11.5px;color:var(--brown);border:1px solid var(--line);padding:4px 11px;border-radius:999px}
.works-note{margin-top:36px;font-size:12.5px;color:var(--brown);opacity:.7;text-align:center}

/* bottom CTA band */
.works-cta{background:var(--brown-deep);color:var(--cream);text-align:center;padding:74px 0}
.works-cta h2{color:var(--cream);font-size:clamp(24px,3vw,34px);margin-bottom:14px}
.works-cta p{color:rgba(249,237,207,.78);font-size:15px;max-width:34em;margin:0 auto 30px;line-height:1.9}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 38px;border-radius:999px;font-weight:700;font-size:15px;transition:transform .25s,box-shadow .25s;font-family:"Zen Maru Gothic";cursor:pointer;border:none}
.btn-primary{background:var(--red);color:var(--cream);box-shadow:0 16px 32px -16px rgba(155,48,35,.9)}
.btn-primary:hover{transform:translateY(-3px)}
.btn .arr{transition:transform .25s}
.btn:hover .arr{transform:translateX(4px)}

@media(max-width:980px){
  .works-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:920px){
  /* --- nav hamburger --- */
  header.nav{background:transparent;border-bottom-color:transparent}
  header.nav.open{background:rgba(251,244,226,.98);border-bottom:1px solid var(--line)}
  .nav-inner{justify-content:flex-start;height:60px}
  .nav-logo{position:static;transform:none;margin-right:auto}
  .nav-logo img{height:26px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;top:60px;left:0;right:0;
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(251,244,226,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);box-shadow:0 24px 40px -28px rgba(70,56,46,.5);
    padding:6px 0 22px;
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:opacity .28s ease,transform .28s ease;
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  header.nav.open .nav-menu{transform:none;opacity:1;pointer-events:auto}
  .nav-links{flex-direction:column;gap:0;width:100%}
  .nav-links a{font-size:16px;letter-spacing:.16em;padding:16px 28px;width:100%;text-align:center;color:var(--brown-deep)}
  .nav-links a::after{display:none}
  .nav-cta{position:static;transform:none;display:inline-flex;margin:16px auto 6px;font-size:15px;padding:13px 30px}
  .nav-cta:hover{transform:translateY(-2px)}
  .page-head{padding:128px 0 56px}
}
@media(max-width:600px){
  .wrap{padding:0 20px}
  .works-grid{grid-template-columns:1fr}
  .works-sec{padding:48px 0 76px}
}