/* ============================================================
   YAMANAKA SHIRTS  共通スタイル  assets/styles.css
   創業60年・千葉/東京近郊の高級フルオーダーシャツ専門店
   トーン: 紺(navy) × ゴールド × クリーム / 明朝見出し
   ============================================================ */

:root{
  --bg:#ffffff;
  --paper:#f7f5f1;
  --ink:#1a2a47;       /* deep navy（テーマカラー）*/
  --ink-soft:#34425c;
  --ink-light:#6a7689;
  --line:#e4ded3;
  --gold:#b08a3e;
  --cream:#f0e6d2;
  --serif:"Cormorant Garamond","Noto Serif JP",serif;
  --jp-serif:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;
  --sans:"Inter","Noto Sans JP","Hiragino Sans","Yu Gothic UI","Meiryo",sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
strong{font-weight:600}
h1,h2,h3{font-family:var(--jp-serif);font-weight:500;letter-spacing:.04em;margin:0}

.wrap{max-width:1180px;margin:0 auto;padding:0 28px}
.center{text-align:center}
@media(max-width:640px){ .wrap{padding:0 20px} }

/* ============== HEADER ============== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.site-header .wrap{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding-top:16px;padding-bottom:16px;
}
.site-header .brand{
  display:inline-flex;align-items:center;
  border:0;padding:0;background:none;   /* ページ固有の .brand 指定を打ち消す */
}
.site-header .brand img{height:40px;width:auto}
.nav{display:flex;align-items:center;gap:24px}
.nav a{
  color:#fff;opacity:.9;
  font-size:.82rem;letter-spacing:.14em;
  transition:opacity .2s,color .2s;
}
.nav a:hover{opacity:1;color:var(--cream)}
.nav .pill{
  border:1px solid var(--gold);
  color:var(--cream);opacity:1;
  padding:8px 16px;border-radius:999px;
  letter-spacing:.1em;
}
.nav .pill:hover{background:var(--gold);color:#fff}
.nav-toggle{
  display:none;
  background:transparent;border:0;color:#fff;
  font-size:1.7rem;line-height:1;cursor:pointer;
  width:44px;height:44px;
}

@media(max-width:820px){
  .nav-toggle{display:block}
  .nav{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink);
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 18px 40px -20px rgba(0,0,0,.6);
    padding:8px 0;
  }
  .nav.open{display:flex}
  .nav a{
    padding:14px 28px;letter-spacing:.1em;font-size:.95rem;
    border-bottom:1px solid rgba(255,255,255,.06);
  }
  .nav .pill{
    margin:12px 28px 8px;text-align:center;
  }
}

/* ============== HERO ============== */
.hero{
  background:
    radial-gradient(1200px 500px at 70% -10%, rgba(176,138,62,.18), transparent 60%),
    linear-gradient(135deg,#0e1a33 0%, #1a2a47 55%, #34425c 100%);
  color:#fff;
  padding:110px 0 96px;
}
.hero .kicker{
  font-family:var(--serif);font-style:italic;
  font-size:.95rem;letter-spacing:.35em;text-transform:uppercase;
  color:var(--cream);margin:0 0 14px;
}
.hero .since{
  font-family:var(--serif);font-style:italic;
  font-size:.9rem;letter-spacing:.15em;
  color:rgba(255,255,255,.7);margin:0 0 18px;
}
.hero h1{
  font-size:clamp(28px,4.6vw,52px);
  line-height:1.5;margin:0 0 22px;max-width:18em;
  text-shadow:0 2px 18px rgba(14,26,51,.35);
}
.hero p{
  max-width:40em;font-size:1rem;line-height:2;
  color:rgba(255,255,255,.92);margin:0 0 30px;
}
.hero strong{color:var(--cream);font-weight:600}
.hero .btn-row{margin-top:8px}

/* ============== SECTIONS ============== */
.block{padding:84px 0}
.block.paper{background:var(--paper)}
@media(max-width:640px){ .block{padding:60px 0} }

.section-label{
  font-family:var(--serif);font-style:italic;
  font-size:.95rem;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);margin:0 0 12px;
}
.block h2{
  font-size:clamp(24px,3.4vw,38px);line-height:1.5;margin:0 0 14px;
}
.lead{color:var(--ink-light);font-size:1rem;line-height:1.95;margin:0 auto}
.center .lead{max-width:42em}
h3{font-size:1.15rem;line-height:1.6;margin:0 0 .4em}

/* ============== BUTTONS ============== */
.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:13px 28px;
  font-size:.82rem;letter-spacing:.12em;
  border:1px solid currentColor;border-radius:2px;
  cursor:pointer;transition:all .25s;
}
.btn-gold{background:var(--gold);color:#fff;border-color:var(--gold)}
.btn-gold:hover{background:#9a7733;border-color:#9a7733}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}
.btn-dark:hover{background:#0e1a33;border-color:#0e1a33}
.btn-outline{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-ghost{color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.hero .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6)}
.hero .btn-ghost:hover{background:#fff;color:var(--ink)}

/* ============== SPLIT CARDS (Two ways) ============== */
.split{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;
  text-align:left;
}
@media(max-width:760px){ .split{grid-template-columns:1fr} }
.card{
  display:block;border:1px solid var(--line);border-radius:6px;
  padding:40px 34px;background:var(--bg);transition:.25s;
}
.card:hover{background:var(--paper);transform:translateY(-3px);
  box-shadow:0 24px 60px -38px rgba(26,42,71,.5)}
.card .en{
  font-family:var(--serif);font-style:italic;color:var(--gold);
  font-size:1.3rem;display:block;margin-bottom:.2em;
}
.card h3{margin:.1em 0 .5em}
.card p{color:var(--ink-light);font-size:.95rem;margin:0 0 1.2em}
.card .more{
  font-family:var(--serif);font-style:italic;color:var(--ink);
  font-size:.95rem;border-bottom:1px solid var(--gold);padding-bottom:3px;
}
.card:hover .more{color:var(--gold)}

/* ============== FEATURES GRID ============== */
.features{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;margin-top:40px;
}
@media(max-width:900px){ .features{grid-template-columns:repeat(2,1fr);gap:32px} }
@media(max-width:520px){ .features{grid-template-columns:1fr} }
.feature .num{
  display:block;font-family:var(--serif);font-style:italic;
  font-size:2.2rem;color:var(--gold);line-height:1;margin-bottom:.3em;
}
.feature h3{margin:0 0 .4em}
.feature p{color:var(--ink-light);font-size:.92rem;line-height:1.9;margin:0}
.feature .en{font-family:var(--serif);font-style:italic;color:var(--gold)}

/* ============== POSTS / NEWS / FLOW ============== */
.posts{display:flex;flex-direction:column;gap:0;margin-top:32px}
.post{
  padding:18px 4px;border-bottom:1px solid var(--line);
}
.post:first-child{border-top:1px solid var(--line)}
.post .meta{
  font-family:var(--serif);font-size:.85rem;color:var(--ink-light);
  letter-spacing:.05em;margin-bottom:.2em;
}
.post .cat{
  display:inline-block;color:var(--gold);font-style:italic;
}
.post h3{font-size:1rem;font-weight:500;line-height:1.6;margin:0}
.post h3 a:hover{color:var(--gold)}

/* ============== AWARDS ============== */
.awards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:40px}
@media(max-width:760px){ .awards{grid-template-columns:1fr} }
.award{
  display:flex;gap:24px;align-items:center;
  border:1px solid var(--line);border-radius:6px;
  padding:26px 28px;background:var(--bg);transition:.25s;
}
.award .badge{flex:0 0 130px;display:flex;align-items:center;justify-content:center}
.award .badge img{max-width:100%;max-height:96px;width:auto;height:auto;object-fit:contain}
.award .info{flex:1;min-width:0}
@media(max-width:520px){.award{flex-direction:column;text-align:center}.award .badge{flex:initial}}
.award:hover{border-color:var(--gold);background:#fbfaf7;transform:translateY(-3px)}
.award .tag{
  display:inline-block;font-family:var(--serif);font-style:italic;
  font-size:.8rem;letter-spacing:.1em;color:var(--ink-light);margin-bottom:.5em;
}
.award h3{margin:0 0 .5em}
.award p{color:var(--ink-light);font-size:.9rem;line-height:1.85;margin:0}

/* ============== MEDIA (images) ============== */
.media{margin:40px 0;border-radius:6px;overflow:hidden}
.media img{width:100%;object-fit:cover}
a.media{display:block;transition:transform .4s}
a.media:hover{transform:scale(1.02)}
.features a.media{margin:0}

/* ============== ROW2 (two column text/image) ============== */
.row2{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
@media(max-width:820px){ .row2{grid-template-columns:1fr;gap:20px} }
.row2 .text p{color:var(--ink-soft);margin:0 0 1em}
.row2.reverse .media{order:2}
@media(max-width:820px){ .row2.reverse .media{order:0} }

/* ============== INFO / dl ============== */
.info dl{margin:0;display:grid;grid-template-columns:8em 1fr;gap:10px 18px}
@media(max-width:520px){ .info dl{grid-template-columns:1fr;gap:2px 0} }
.info dt{
  font-family:var(--serif);font-style:italic;color:var(--gold);
  font-size:.9rem;letter-spacing:.08em;
}
.info dd{margin:0;color:var(--ink-soft);font-size:.95rem}
.info dd a{color:var(--ink);border-bottom:1px solid var(--line)}
.info dd a:hover{color:var(--gold);border-color:var(--gold)}
@media(max-width:520px){ .info dd{margin-bottom:.8em} }

.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;margin-top:32px}
@media(max-width:860px){ .info-grid{grid-template-columns:1fr;gap:28px} }
.map{min-height:340px}
.map iframe{width:100%;height:100%;min-height:340px;border:0;border-radius:6px;filter:grayscale(.15)}

/* ============== FOUNDER (message) ============== */
.founder{
  display:grid;grid-template-columns:240px 1fr;gap:48px;align-items:start;
  max-width:920px;margin:0 auto;
}
@media(max-width:680px){ .founder{grid-template-columns:1fr;gap:28px;text-align:center} }
.founder img{width:100%;border-radius:6px;border:1px solid var(--line)}
@media(max-width:680px){ .founder img{max-width:220px;margin:0 auto} }
.founder .text h2{margin:.1em 0}
.sig{font-family:var(--serif);font-style:italic;color:var(--ink-light);font-size:.95rem;margin:.2em 0 0}
.founder .text p{color:var(--ink-soft)}

/* ============== FOOTER ============== */
.site-footer{background:#0e1a33;color:#aeb8c4;padding:60px 0 34px;text-align:center}
.site-footer img{height:42px;width:auto;margin:0 auto 26px;display:block}
.site-footer .links{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px 22px;
  padding-bottom:26px;margin-bottom:22px;
  border-bottom:1px solid rgba(255,255,255,.08);
  font-size:.85rem;letter-spacing:.04em;
}
.site-footer .links a{opacity:.85}
.site-footer .links a:hover{opacity:1;color:var(--cream)}
.site-footer .note,
.site-footer .copy{font-size:.75rem;color:#7d8895;margin:.4em 0 0;letter-spacing:.04em}
.site-footer .note strong{color:#aeb8c4}

/* ============== misc ============== */
.big{font-size:1.05rem;color:var(--ink);font-weight:600}
.en{font-family:var(--serif);font-style:italic;color:var(--gold)}
.origin{
  display:inline-block;font-size:.7rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--ink-light);
}

/* ============== HOME HERO (スライド式カルーセル / トップ専用) ============== */
.hero-home{
  position:relative;min-height:86vh;
  display:flex;align-items:center;
  padding:0;overflow:hidden;background:#0e1a33;
}
.hero-home .wrap{position:relative;z-index:2;padding-top:120px;padding-bottom:90px}
.hero-bgs{position:absolute;inset:0;z-index:0}
.hero-bg{
  position:absolute;inset:0;opacity:0;transition:opacity 1.2s ease;
  background:url('https://sf-y.com/images/hero.jpg') center/cover no-repeat;
}
.hero-bg.is-active{opacity:1}
.hero-home::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg, rgba(14,26,51,.5) 0%, rgba(14,26,51,.28) 55%, rgba(14,26,51,.08) 100%);
}
@media(max-width:760px){
  .hero-home::after{background:linear-gradient(180deg, rgba(14,26,51,.34) 0%, rgba(14,26,51,.3) 40%, rgba(14,26,51,.62) 100%)}
}
.hero-texts{display:grid}
.hero-text{grid-area:1/1;transition:opacity .9s ease}
.hero-text:not(.is-active){opacity:0;pointer-events:none}
.hero-home .eyebrow{
  font-family:var(--serif);font-style:italic;
  font-size:.95rem;letter-spacing:.35em;text-transform:uppercase;
  color:var(--cream);margin:0 0 16px;
}
.hero-home h1,.hero-text .hero-h{
  font-family:var(--jp-serif);font-weight:500;
  font-size:clamp(28px,4.6vw,52px);line-height:1.5;
  margin:0 0 22px;max-width:16em;color:#fff;
  text-shadow:0 2px 18px rgba(14,26,51,.35);
}
.hero-home .em{color:var(--cream)}
.hero-home .lead{
  max-width:34em;font-size:1rem;line-height:2;
  color:rgba(255,255,255,.92);margin:0;
}
.hero-home strong{color:var(--cream);font-weight:600}
.hero-home .btn-row{margin-top:40px}
.hero-dots{display:flex;gap:10px;margin-top:34px}
.hero-dot{
  width:34px;height:4px;padding:0;border:0;border-radius:2px;
  background:rgba(255,255,255,.35);cursor:pointer;transition:background .3s;
}
.hero-dot.is-active{background:var(--cream)}
@media(max-width:760px){
  .hero-home .wrap{padding-top:96px;padding-bottom:64px}
  .hero-home h1,.hero-text .hero-h{font-size:clamp(22px,6vw,32px);line-height:1.55}
  .hero-home .lead{font-size:.92rem}
}

/* ============== ナビ 日本語併記（スマホのハンバーガーのみ） ============== */
.nav .ja{display:none}                      /* PC横メニューでは非表示 */
@media(max-width:820px){
  .nav a{text-align:left;line-height:1.3}
  .nav .ja{display:block;font-size:.8rem;letter-spacing:.04em;opacity:.72;margin-top:5px;font-family:var(--sans)}
  .nav .pill{text-align:center}
  .nav .pill .ja{display:inline;margin-left:6px;margin-top:0}
}