/* =========================================================
   皓丈 / HIROTO Portfolio  —  共有スタイル（全ページ共通）
   Home=写真＋名前のみ ／ Profile・Contact は別ページ
   ========================================================= */
:root{
  --bg:#fbfaf8;
  --ink:#14130f;
  --sub:#8a877f;
  --line:#e7e4dd;
  --maxw:1480px;
  --ease:cubic-bezier(.22,.61,.36,1);
  /* 名前・見出し用：角のある幾何学サンセリフ（Syne）。漢字は和文へ自動フォールバック */
  --display:'Syne',"Helvetica Neue","Arial","Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:"Helvetica Neue","Arial","Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans JP",sans-serif;
  font-weight:400;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;width:100%;height:auto}
a{color:inherit;text-decoration:none}
.label{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--sub)}

/* ---------- ヘッダー ---------- */
header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  display:flex;align-items:baseline;justify-content:space-between;
  padding:20px clamp(20px,5vw,72px);
  mix-blend-mode:difference;color:#fff;
}
.brand{font-family:var(--display);font-weight:600;font-size:12px;letter-spacing:.16em;text-transform:uppercase}
nav.top{display:flex;gap:clamp(14px,2.2vw,30px);font-size:10.5px;letter-spacing:.18em;text-transform:uppercase}
nav.top a{position:relative;padding-bottom:2px}
nav.top a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:currentColor;transition:width .4s var(--ease)}
nav.top a:hover::after,nav.top a[aria-current="page"]::after{width:100%}

/* ---------- 中央固定の名前（太めの黒文字・見やすく） ---------- */
.name-overlay{
  position:fixed;inset:0;z-index:40;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;pointer-events:none;color:#fff;
}
.name-overlay .ja{
  font-family:var(--display);
  font-size:clamp(30px,6.4vw,82px);font-weight:700;letter-spacing:.08em;line-height:1;padding-left:.08em;
  text-shadow:0 0 16px rgba(20,19,15,.28),0 1px 2px rgba(20,19,15,.26);
}
.name-overlay .en{
  margin-top:16px;font-size:clamp(12px,1.8vw,16px);font-weight:600;letter-spacing:.4em;padding-left:.4em;
  text-shadow:0 0 14px rgba(20,19,15,.28);
}

/* ---------- 密なマソンリーグリッド（左右の余白を広めに） ---------- */
.grid{
  column-width:248px;column-gap:clamp(6px,1vw,12px);
  /* 上：ヘッダーの下まで下げて被り回避 ／ 左右：余白広め */
  padding:clamp(64px,8vh,92px) clamp(28px,7vw,120px) clamp(10px,1.4vw,16px);
  max-width:var(--maxw);margin:0 auto;
}
.grid figure{
  break-inside:avoid;margin-bottom:clamp(6px,1vw,12px);
  overflow:hidden;background:#efece6;position:relative;cursor:zoom-in;
}
/* 実作品はクロップせず自然な比率のまま（向きの多様さで自然に不揃い） */
.grid figure img{width:100%;height:auto;transition:transform 1.1s var(--ease),opacity .9s var(--ease)}
.grid figure:hover img{transform:scale(1.04)}
.grid img.fade{opacity:0}
.grid img.fade.in{opacity:1}

/* ---------- 下層ページ共通：本文ラッパ ---------- */
.page{padding-top:clamp(96px,12vh,150px);min-height:80vh}

/* ---------- セクション見出し ---------- */
.section-head{
  max-width:var(--maxw);margin:0 auto clamp(34px,6vw,72px);padding:0 clamp(24px,6vw,90px);
  display:flex;justify-content:space-between;align-items:baseline;gap:20px;
  border-top:1px solid var(--line);padding-top:18px;
}
.section-head h2{font-family:var(--display);font-weight:600;font-size:clamp(20px,3.4vw,30px);letter-spacing:.02em}

/* ---------- PROFILE ---------- */
.about{padding:clamp(40px,7vw,90px) 0 clamp(90px,13vw,160px)}
.about-grid{
  max-width:var(--maxw);margin:0 auto;padding:0 clamp(24px,6vw,90px);
  display:grid;grid-template-columns:0.85fr 1.15fr;gap:clamp(30px,6vw,80px);align-items:start;
}
.about-grid figure{aspect-ratio:4/5;overflow:hidden;background:#efece6;max-width:420px}
.about-grid figure img{height:100%;object-fit:cover}
.about-body h3{font-family:var(--display);font-weight:600;font-size:clamp(22px,3.2vw,34px);line-height:1.25;margin-bottom:12px;letter-spacing:.02em}
.about-body .role{margin-bottom:26px;font-size:12.5px;letter-spacing:.22em;text-transform:uppercase;color:var(--sub)}
.about-body p{max-width:46ch;margin-bottom:18px;font-size:14px;color:#3a382f}
.about-body .jp{color:var(--sub);font-size:13px;line-height:1.95}
.meta{margin-top:42px;border-top:1px solid var(--line);padding-top:24px;display:grid;grid-template-columns:120px 1fr;gap:12px 24px;font-size:12.5px}
.meta dt{color:var(--sub);letter-spacing:.1em;text-transform:uppercase;font-size:10.5px;padding-top:2px}
.meta dd{color:#3a382f}

/* ---------- CONTACT ---------- */
.contact{padding:clamp(40px,9vw,120px) 0 clamp(90px,14vw,170px);text-align:center}
.contact .label{display:block;margin-bottom:30px}
.contact a.mail{font-size:clamp(24px,5.4vw,58px);font-weight:400;letter-spacing:.01em;display:inline-block;position:relative}
.contact a.mail::after{content:"";position:absolute;left:0;bottom:6px;width:0;height:1px;background:var(--ink);transition:width .5s var(--ease)}
.contact a.mail:hover::after{width:100%}
.socials{margin-top:42px;display:flex;gap:26px;justify-content:center;flex-wrap:wrap;font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--sub)}
.socials a{position:relative}
.socials a:hover{color:var(--ink)}

/* ---------- フッター ---------- */
footer{padding:34px clamp(24px,6vw,90px);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--sub)}

/* ---------- フェードイン ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity 1s var(--ease),transform 1s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ---------- ライトボックス ---------- */
.lb{position:fixed;inset:0;z-index:100;background:rgba(20,19,15,.94);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .4s var(--ease);padding:24px}
.lb.open{opacity:1;pointer-events:auto}
.lb img{max-width:92vw;max-height:90vh;width:auto;object-fit:contain;box-shadow:0 30px 80px rgba(0,0,0,.4)}
.lb-close{position:absolute;top:20px;right:24px;color:#fff;font-size:12px;letter-spacing:.2em;text-transform:uppercase;cursor:pointer;opacity:.8}
.lb-close:hover{opacity:1}

/* ---------- レスポンシブ ---------- */
@media (max-width:760px){
  header{padding:15px 16px}
  .brand{font-size:10px;letter-spacing:.08em}
  nav.top{gap:12px;font-size:9px;letter-spacing:.1em}
  .grid{column-width:46vw;column-gap:6px;padding:6px clamp(10px,4vw,18px)}
  .grid figure{margin-bottom:6px}
  .about-grid{grid-template-columns:1fr;gap:34px}
  .about-grid figure{max-width:320px}
  .meta{grid-template-columns:96px 1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.grid img.fade{opacity:1;transform:none}
}