/* =====================================================================
   TOKYO BAY TACHIUO — 共有スタイル
   デザイン参考: 星街すいせい Official Site の世界観
   テーマ: 東京湾の夜 × 銀色の太刀魚（ダーク基調 / シネマティック）
   ===================================================================== */

:root{
  --bg:        #06080f;
  --bg-2:      #0b1020;
  --panel:     #111a30;
  --line:      rgba(180,210,235,.14);
  --text:      #e9eef6;
  --muted:     #93a4bd;
  --silver:    #c8d6e6;
  --accent:    #4fd0d6;
  --accent-2:  #2b7cff;
  --gold:      #e7b765;
  --maxw:      1180px;
  --ease:      cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN",-apple-system,sans-serif;
  line-height:1.85;letter-spacing:.02em;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.en{font-family:"Oswald","Bebas Neue",Impact,sans-serif;font-weight:500;letter-spacing:.14em;text-transform:uppercase}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.45), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(255,255,255,.30), transparent),
    radial-gradient(1.5px 1.5px at 40% 80%, rgba(120,200,220,.35), transparent),
    radial-gradient(1px 1px at 85% 20%, rgba(255,255,255,.25), transparent);
  background-size:600px 600px,500px 500px,700px 700px,400px 400px;opacity:.6}

/* HEADER */
.site-header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;
  justify-content:space-between;padding:18px 28px;transition:background .4s var(--ease),padding .4s var(--ease)}
.site-header.scrolled{background:rgba(6,8,15,.82);backdrop-filter:blur(10px);padding:12px 28px}
.brand{font-size:15px;letter-spacing:.28em;color:var(--silver)}
.brand small{display:block;font-size:9px;letter-spacing:.25em;color:var(--muted);margin-top:2px}
.menu-btn{display:flex;align-items:center;gap:10px;background:none;border:0;color:var(--text);
  cursor:pointer;font:inherit;letter-spacing:.2em;font-size:12px}
.menu-btn .bars{display:inline-flex;flex-direction:column;gap:4px;width:26px}
.menu-btn .bars i{height:1.5px;background:var(--silver);transition:.35s var(--ease)}

/* OVERLAY NAV */
.overlay{position:fixed;inset:0;z-index:60;
  background:linear-gradient(160deg,rgba(6,8,15,.97),rgba(11,16,32,.99));backdrop-filter:blur(6px);
  display:flex;flex-direction:column;justify-content:center;align-items:center;
  opacity:0;visibility:hidden;transition:.5s var(--ease)}
.overlay.open{opacity:1;visibility:visible}
.overlay .close{position:absolute;top:24px;right:32px;background:none;border:0;color:var(--silver);
  font-size:13px;letter-spacing:.25em;cursor:pointer}
.overlay nav{text-align:center}
.overlay nav a{display:block;font-size:clamp(28px,5vw,52px);color:var(--silver);padding:6px 0;transition:.3s var(--ease)}
.overlay nav a small{font-family:"Noto Sans JP",sans-serif;display:block;font-size:12px;letter-spacing:.2em;color:var(--muted);margin-top:-2px}
.overlay nav a:hover{color:var(--accent)}
.overlay .sns{margin-top:36px;display:flex;gap:22px;font-size:12px;letter-spacing:.2em;color:var(--muted)}
.overlay .sns a:hover{color:var(--accent)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}
.hero .bg{position:absolute;inset:0;z-index:0;
  background:
    linear-gradient(180deg, rgba(6,8,15,.55) 0%, rgba(6,8,15,.30) 38%, rgba(6,8,15,.92) 100%),
    radial-gradient(120% 70% at 50% 22%, rgba(43,124,255,.20), transparent 60%),
    url('img/hero.jpg') 50% 18% / cover no-repeat,
    #06080f}
.img-ph{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:11px;
  letter-spacing:.2em;border:1px dashed var(--line);background:rgba(255,255,255,.02);text-align:center}
.hero .content{position:relative;z-index:2;padding:0 20px}
.hero h1{font-size:clamp(40px,9vw,118px);line-height:.98;color:#fff;text-shadow:0 8px 50px rgba(0,0,0,.8),0 0 40px rgba(79,208,214,.3)}
.hero .sub{margin-top:18px;font-size:clamp(13px,2.4vw,18px);letter-spacing:.34em;color:var(--silver);text-shadow:0 2px 14px rgba(0,0,0,.7)}
.hero .lead{margin-top:22px;max-width:560px;margin-inline:auto;color:var(--muted);font-size:14px}
.scroll-cue{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:2;font-size:10px;
  letter-spacing:.3em;color:var(--muted);writing-mode:vertical-rl}
.scroll-cue::after{content:"";display:block;width:1px;height:46px;margin:10px auto 0;background:linear-gradient(var(--accent),transparent)}

/* TICKER */
.ticker{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(11,16,32,.6);overflow:hidden;position:relative;z-index:2}
.ticker .track{display:inline-flex;white-space:nowrap;will-change:transform;animation:scroll-x 28s linear infinite;padding:14px 0}
.ticker a{font-size:13px;letter-spacing:.12em;color:var(--silver);margin:0 36px}
.ticker .tag{color:var(--accent);margin-right:10px;font-size:11px;letter-spacing:.2em}
@keyframes scroll-x{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* SECTION */
section{position:relative;z-index:2}
.section{padding:clamp(64px,10vw,130px) 0}
.section-head{margin-bottom:46px}
.section-head .label{font-size:11px;letter-spacing:.35em;color:var(--accent);display:block;margin-bottom:10px}
.section-head h2{font-size:clamp(34px,7vw,76px);color:#fff;line-height:1}
.section-head .ja{margin-top:8px;color:var(--muted);font-size:14px;letter-spacing:.18em}
.about{background:var(--bg-2)}
.about p{max-width:760px;color:var(--silver);font-size:clamp(15px,2vw,18px);line-height:2.1}
.about p .big{color:#fff;font-weight:700}

.grid{display:grid;gap:20px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.4s var(--ease);position:relative}
.card:hover{transform:translateY(-6px);border-color:rgba(79,208,214,.5);box-shadow:0 20px 50px rgba(0,0,0,.5)}
.card .thumb{aspect-ratio:16/10}
.card .body{padding:22px 22px 26px}
.card .no{font-size:11px;letter-spacing:.25em;color:var(--accent)}
.card h3{font-size:19px;margin:8px 0 8px;color:#fff}
.card p{color:var(--muted);font-size:13.5px;line-height:1.8}
.card .more{margin-top:14px;font-size:11px;letter-spacing:.2em;color:var(--silver)}
.card .more::after{content:" \2192";color:var(--accent)}

.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.gallery .tile{aspect-ratio:3/4;border-radius:10px;overflow:hidden;position:relative}
.gallery .tile .img-ph{position:absolute;inset:0}
.gallery .tile span{position:absolute;left:0;right:0;bottom:0;padding:14px 12px;background:linear-gradient(transparent,rgba(4,5,11,.9));font-size:13px;color:#fff;z-index:2}

.feature{position:relative;overflow:hidden;background:var(--bg-2)}
.feature .bg{position:absolute;inset:0;background:radial-gradient(80% 120% at 80% 20%,rgba(43,124,255,.20),transparent),linear-gradient(120deg,#05070f,#0a1326)}
.feature .inner{position:relative;z-index:2;max-width:620px}
.feature p{color:var(--silver);margin-top:18px;line-height:2.1}

.season{display:grid;grid-template-columns:repeat(12,1fr);gap:6px;margin-top:30px}
.season .m{padding:14px 6px;text-align:center;border:1px solid var(--line);border-radius:8px;font-size:12px;color:var(--muted);background:var(--panel)}
.season .m b{display:block;font-size:13px;color:var(--silver);margin-bottom:6px}
.season .m.hot{background:linear-gradient(180deg,rgba(231,183,101,.22),rgba(79,208,214,.10));color:#fff;border-color:rgba(231,183,101,.45)}
.season .m.hot b{color:var(--gold)}

.news a{display:flex;gap:20px;align-items:baseline;padding:18px 4px;border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.news a:hover{padding-left:14px;color:var(--accent)}
.news .date{font-size:12px;letter-spacing:.1em;color:var(--muted);min-width:104px}
.news .cat{font-size:10px;letter-spacing:.2em;color:var(--accent);border:1px solid var(--line);padding:3px 10px;border-radius:20px;min-width:96px;text-align:center}
.news .t{font-size:15px}

.btn{display:inline-block;margin-top:30px;padding:14px 34px;border:1px solid var(--silver);border-radius:40px;font-size:12px;letter-spacing:.25em;color:var(--silver);transition:.35s var(--ease)}
.btn:hover{background:var(--silver);color:var(--bg)}

.page-hero{position:relative;min-height:48vh;display:flex;align-items:flex-end;padding-bottom:48px;overflow:hidden}
.page-hero .bg{position:absolute;inset:0;background:radial-gradient(100% 100% at 50% 0%,rgba(43,124,255,.18),transparent),linear-gradient(180deg,#070b18,#06080f)}
.page-hero .content{position:relative;z-index:2}
.page-hero .label{font-size:11px;letter-spacing:.35em;color:var(--accent)}
.page-hero h1{font-size:clamp(34px,7vw,74px);color:#fff;line-height:1;margin-top:8px}
.page-hero .ja{color:var(--muted);margin-top:10px;letter-spacing:.18em}
.crumb{font-size:12px;color:var(--muted);letter-spacing:.1em;padding:18px 0}
.crumb a:hover{color:var(--accent)}
.crumb span{color:var(--silver)}

.site-footer{position:relative;z-index:2;border-top:1px solid var(--line);padding:70px 0 40px;background:var(--bg-2);text-align:center}
.site-footer .mark{font-size:clamp(34px,9vw,96px);color:rgba(200,214,230,.08);line-height:1}
.site-footer .fnav{display:flex;flex-wrap:wrap;gap:24px;justify-content:center;margin:30px 0;font-size:12px;letter-spacing:.18em;color:var(--silver)}
.site-footer .fnav a:hover{color:var(--accent)}
.site-footer .sns{display:flex;gap:20px;justify-content:center;font-size:12px;letter-spacing:.2em;color:var(--muted)}
.site-footer .sns a:hover{color:var(--accent)}
.site-footer .copy{margin-top:26px;font-size:11px;letter-spacing:.15em;color:var(--muted)}

@media(max-width:860px){
  .grid.cols-3{grid-template-columns:1fr}
  .grid.cols-2{grid-template-columns:1fr}
  .gallery{grid-template-columns:repeat(2,1fr)}
  .season{grid-template-columns:repeat(6,1fr)}
  .news a{flex-wrap:wrap;gap:8px}
  .news .date{min-width:auto}
}
.reveal{opacity:0;transform:translateY(26px);transition:.9s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* =========================== ARTICLE（記事ページ） =========================== */
.article{max-width:760px;margin:0 auto;padding:clamp(40px,7vw,80px) 24px}
.article .meta{display:flex;gap:14px;align-items:center;margin-bottom:26px;flex-wrap:wrap}
.article .meta .cat{font-size:10px;letter-spacing:.2em;color:var(--accent);border:1px solid var(--line);padding:4px 12px;border-radius:20px}
.article .meta .date{font-size:12px;color:var(--muted);letter-spacing:.1em}
.article .lead{font-size:clamp(16px,2.2vw,20px);color:#fff;line-height:2.1;margin-bottom:14px}
.article p{color:var(--silver);margin:0 0 22px;line-height:2.1}
.article h2{font-size:clamp(22px,3.5vw,30px);color:#fff;margin:54px 0 18px;padding-top:18px;border-top:1px solid var(--line);line-height:1.4}
.article h2 .en{display:block;font-size:12px;letter-spacing:.3em;color:var(--accent);margin-bottom:6px}
.article h3{font-size:18px;color:var(--silver);margin:30px 0 12px}
.article .figure{margin:30px 0;border-radius:12px;overflow:hidden}
.article .figure .img-ph{aspect-ratio:16/9}
.article .figure img{width:100%;display:block}
.article .figure.crop img{aspect-ratio:16/9;object-fit:cover}
.article .figure figcaption{font-size:12px;color:var(--muted);margin-top:10px;text-align:center;letter-spacing:.08em}
.article .pull{margin:34px 0;padding:26px 28px;border-left:3px solid var(--gold);
  background:linear-gradient(120deg,rgba(231,183,101,.10),rgba(79,208,214,.05));border-radius:0 12px 12px 0}
.article .pull .k{font-size:11px;letter-spacing:.25em;color:var(--gold);display:block;margin-bottom:10px}
.article .pull p{color:#fff;margin:0;font-size:16px;line-height:2}
.article .pull p b{color:var(--gold)}
.article .compare{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:26px 0}
.article .compare .col{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px}
.article .compare .col h4{font-size:14px;color:var(--accent);letter-spacing:.1em;margin-bottom:10px}
.article .compare .col .big{font-size:22px;color:#fff;margin-bottom:6px}
.article .compare .col p{font-size:13px;color:var(--muted);margin:0;line-height:1.8}
.article .next{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:50px}
.article .next a{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;transition:.35s var(--ease)}
.article .next a:hover{border-color:rgba(79,208,214,.5);transform:translateY(-4px)}
.article .next .en{font-size:11px;letter-spacing:.2em;color:var(--accent)}
.article .next h4{font-size:16px;color:#fff;margin-top:6px}
@media(max-width:860px){.article .compare,.article .next{grid-template-columns:1fr}}

/* 記事末尾の想い（エッセイ）ブロック */
.article .essay{margin:46px 0 10px;padding:32px 30px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(160deg,rgba(43,124,255,.08),rgba(6,8,15,0))}
.article .essay .k{font-size:11px;letter-spacing:.3em;color:var(--accent);display:block;margin-bottom:14px}
.article .essay p{color:var(--silver);line-height:2.15}
.article .essay p:last-child{margin-bottom:0}
.article .essay .sign{color:var(--muted);font-size:13px;margin-top:6px}