/* =========================================================
   NAVI CLINIC — Hanoi LP v1
   Tone: quiet luxury (navi-inc.com 準拠)
   墨 × 生成り × ベージュ × シャンパンゴールド
   ========================================================= */
:root{
  --ink:#2a2a2a;
  --ink-soft:#555;
  --gray:#999;
  --line:#e8e8e6;
  --paper:#fafaf8;
  --white:#fff;
  --beige:#f3ede4;
  --gold:#b89b6e;
  --en:'Cormorant Garamond',serif;
  --vi-serif:'Noto Serif',serif;       /* ベトナム語見出し */
  --vi-sans:'Noto Sans',sans-serif;    /* ベトナム語本文 */
  --jp-mincho:'Shippori Mincho B1','Noto Serif',serif;  /* 日本語併記(見出し系) */
  --jp-sans:'Noto Sans JP',sans-serif; /* 日本語併記(本文系) */
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:#efeeec;
  font-family:var(--vi-sans),var(--jp-sans),sans-serif;
  color:var(--ink);
  font-weight:400;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}

/* ===== page column(モバイルファースト・PC中央寄せ) ===== */
.fv,main,.footer{max-width:560px;margin:0 auto;background:var(--paper)}
main{display:block}
@media(min-width:720px){
  body{padding:0}
  .fv,main,.footer{box-shadow:0 0 60px rgba(0,0,0,.07)}
}

/* ===== common ===== */
.sec{padding:72px 24px;background:var(--paper)}
.sec-white{background:var(--white)}
.sec-beige{background:var(--beige)}
.sec-label{font-family:var(--en);font-size:13px;letter-spacing:.28em;color:var(--gray);margin-bottom:10px;text-transform:uppercase}
.sec-title{font-family:var(--vi-serif);font-size:25px;font-weight:500;letter-spacing:.01em;line-height:1.5;margin-bottom:6px}
.sec-title-jp{font-family:var(--jp-mincho);font-size:12.5px;color:var(--gold);letter-spacing:.12em;margin-bottom:26px}
.lead{font-size:14px;color:var(--ink-soft);line-height:2}
.lead-jp{font-family:var(--jp-sans);font-weight:300;font-size:11.5px;color:var(--gray);line-height:1.9;margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.jp{font-family:var(--jp-sans);font-weight:300;font-size:11px;color:var(--gray)}
.note{font-size:10.5px;color:var(--gray);margin-top:12px;text-align:center}

/* ===== photo placeholder ===== */
.ph{background:linear-gradient(135deg,#efe7db 0%,#f6f0e8 45%,#f0e4da 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#b5a78f;font-size:10.5px;letter-spacing:.18em;font-family:var(--en)}
.ph span:last-child{font-family:var(--jp-sans);font-weight:300;letter-spacing:.06em;font-size:10px;padding:0 16px;text-align:center}
.ph-wide{height:200px;margin-bottom:22px}
.img-wide{width:100%;height:auto;margin-bottom:22px}
.img-top{margin-top:30px;margin-bottom:0}
.menu-img{width:100%;height:auto;display:block;border-bottom:1px solid var(--line)}
.artist-img{width:100%;height:340px;object-fit:cover;object-position:center 22%;display:block}
.works-stack img{width:100%;height:auto;display:block;margin-bottom:14px;border:1px solid var(--line)}
.works-stack img:last-child{margin-bottom:0}


/* ===== CTA(ゴールドバー・デザイン案準拠) ===== */
.btn-cta{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#c3a369 0%,#a8884e 55%,#8f7239 100%);color:#fff;text-decoration:none;padding:13px 18px;border:1px solid rgba(255,255,255,.35);border-radius:2px;box-shadow:0 6px 18px rgba(143,114,57,.3);transition:transform .25s ease,box-shadow .25s ease;min-height:56px}
.btn-cta:hover{transform:translateY(-1px);box-shadow:0 9px 22px rgba(143,114,57,.4)}
.cta-txt{flex:1;text-align:center;font-family:var(--vi-serif);font-weight:500;font-size:15.5px;letter-spacing:.04em;line-height:1.35;border-left:1px solid rgba(255,255,255,.35);padding-left:14px}
.cta-txt small{display:block;font-family:var(--vi-sans);font-weight:400;font-size:10px;letter-spacing:.08em;opacity:.78;margin-top:3px}
.cta-arrow{font-family:var(--en);font-size:20px;line-height:1;opacity:.9;flex-shrink:0}
.ico-ig{width:22px;height:22px;border:1.4px solid rgba(255,255,255,.9);border-radius:6px;position:relative;flex-shrink:0}
.ico-ig::before{content:"";position:absolute;inset:4.5px;border:1.4px solid rgba(255,255,255,.9);border-radius:50%}
.ico-ig::after{content:"";position:absolute;top:2.5px;right:2.5px;width:2.6px;height:2.6px;background:rgba(255,255,255,.9);border-radius:50%}
.btn-mail{display:block;text-align:center;margin-top:14px;color:#d8d3ca;text-decoration:underline;text-underline-offset:4px;font-size:12px;letter-spacing:.06em;min-height:44px;line-height:44px}
.btn-mail:hover{color:#fff}

/* ===== FV(デザイン案準拠) ===== */
.fv{position:relative;background:var(--paper);overflow:hidden}
.fv-bg{display:block;width:100%;height:620px;object-fit:cover;object-position:center 42%}
.fv-grad{position:absolute;top:0;left:0;right:0;height:620px;background:linear-gradient(180deg,rgba(250,250,248,.62) 0%,rgba(250,250,248,.08) 20%,rgba(250,250,248,0) 48%,rgba(250,250,248,.9) 86%,#fafaf8 100%);pointer-events:none}
.fv-head{position:absolute;top:0;left:0;right:0;padding:28px 24px 0;display:flex;justify-content:space-between;align-items:flex-start}
.fv-logo{font-family:var(--en);font-size:19px;letter-spacing:.26em;color:var(--ink);line-height:1.2}
.fv-logo span{display:block;font-size:10px;letter-spacing:.36em;color:var(--ink-soft);margin-top:5px}
.fv-tag-en{font-family:var(--en);font-size:9.5px;letter-spacing:.3em;color:var(--gray);text-align:right;line-height:1.9;padding-top:4px}
.fv-tate{position:absolute;top:170px;left:18px;writing-mode:vertical-rl;font-family:var(--jp-mincho);font-size:13.5px;letter-spacing:.3em;color:var(--ink);text-shadow:0 0 10px rgba(250,250,248,.9);padding:16px 0}
.fv-tate::before,.fv-tate::after{content:"";display:block;width:1px;height:26px;background:var(--ink);opacity:.55;margin:0 auto}
.fv-tate::before{margin-bottom:14px}
.fv-tate::after{margin-top:14px}
.fv-body{position:relative;margin-top:-180px;padding:0 24px 44px}
.fv-copy{font-family:var(--vi-serif);font-size:28px;line-height:1.42;letter-spacing:.005em;font-weight:500;margin-bottom:10px}
.fv-copy em{font-style:normal;color:var(--gold)}
.fv-copy-jp{font-family:var(--jp-mincho);font-size:12.5px;letter-spacing:.14em;color:var(--ink-soft);margin-bottom:18px;display:flex;align-items:center;gap:10px}
.fv-copy-jp::before{content:"";width:26px;height:1px;background:var(--ink-soft);flex-shrink:0}
.fv-sub{font-size:13px;color:var(--ink-soft);letter-spacing:.01em;line-height:1.9;margin-bottom:8px}
.fv-sub-jp{font-family:var(--jp-sans);font-weight:300;font-size:10.5px;color:var(--gray);line-height:1.9;margin-bottom:26px}
.fv-badges{display:flex;gap:12px;justify-content:center;margin-bottom:26px}
.badge{flex:1;max-width:112px;aspect-ratio:1/1;border:1px solid var(--gold);border-radius:50%;background:rgba(255,255,255,.66);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;text-align:center;padding:8px;box-shadow:0 2px 12px rgba(184,155,110,.12)}
.badge svg{width:21px;height:21px;color:var(--gold);margin-bottom:2px}
.badge p{font-family:var(--vi-serif);font-size:11.5px;font-weight:500;line-height:1.3;color:var(--ink)}
.badge small{font-family:var(--jp-sans);font-weight:300;font-size:8.5px;color:var(--gray);letter-spacing:.04em}

/* ===== why ===== */
.why-item{display:flex;gap:16px;margin-bottom:30px}
.why-item:last-child{margin-bottom:0}
.why-num{font-family:var(--en);font-size:30px;color:var(--gold);line-height:1.1;flex-shrink:0;width:44px}
.why-item h3{font-family:var(--vi-serif);font-size:16.5px;font-weight:500;letter-spacing:.01em;margin-bottom:4px;line-height:1.55}
.h3-jp{display:block;font-family:var(--jp-mincho);font-size:11px;font-weight:400;color:var(--gold);letter-spacing:.1em;margin-top:3px;margin-bottom:5px}
.why-item p{font-size:13px;color:var(--ink-soft);line-height:1.9}

/* ===== services ===== */
.menu-card{background:var(--white);border:1px solid var(--line);margin-top:24px}
.menu-card .ph{height:150px}
.menu-body{padding:20px}
.menu-cat{font-family:var(--en);font-size:11px;letter-spacing:.2em;color:var(--gray);margin-bottom:6px;text-transform:uppercase}
.menu-cat::after{content:"";display:block}
.menu-body h3{font-family:var(--vi-serif);font-size:18px;font-weight:500;letter-spacing:.01em;margin-bottom:8px}
.menu-body h3 small{font-size:13px;font-weight:400;color:var(--ink-soft)}
.menu-body p{font-size:12.5px;color:var(--ink-soft);line-height:1.85}
.menu-for{margin-top:10px;padding-top:10px;border-top:1px solid var(--line)}
.menu-for b{color:var(--gold);font-weight:500}
.menu-note{font-family:var(--jp-sans);font-weight:300;font-size:10.5px;color:var(--gray);margin-top:8px}
.services-etc{font-size:12.5px;color:var(--ink-soft);text-align:center;line-height:1.9;margin:26px 0}
.sec .btn-cta{margin-top:4px}

/* ===== artist ===== */
.artist-card{border:1px solid var(--line);background:var(--paper)}
.artist-ph{height:300px}
.artist-body{padding:20px}
.artist-role{font-family:var(--en);font-size:11px;letter-spacing:.22em;color:var(--gray);margin-bottom:6px}
.artist-body h3{font-family:var(--vi-serif);font-size:19px;font-weight:500;margin-bottom:8px}
.artist-body p{font-size:12.5px;color:var(--ink-soft);line-height:1.9}
.artist-team{font-size:12.5px;color:var(--ink-soft);text-align:center;line-height:1.9;margin-top:22px}

/* ===== works ===== */
.works-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.works-grid .ph{aspect-ratio:1/1}

/* ===== flow ===== */
.flow-item{display:flex;gap:16px}
.flow-left{display:flex;flex-direction:column;align-items:center;flex-shrink:0}
.flow-num{font-family:var(--en);font-size:14px;border:1px solid var(--ink);width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:var(--paper)}
.flow-line{width:1px;flex:1;background:var(--gold);opacity:.4;margin:6px 0}
.flow-body{padding-bottom:28px}
.flow-item:last-child .flow-body{padding-bottom:0}
.flow-body h3{font-family:var(--vi-serif);font-size:15.5px;font-weight:500;margin-top:7px;margin-bottom:6px;line-height:1.5}
.flow-body p{font-size:12.5px;color:var(--ink-soft);line-height:1.85}

/* ===== faq ===== */
.faq-item{border-bottom:1px solid var(--line);padding:18px 0}
.faq-item:first-of-type{border-top:1px solid var(--line)}
.faq-q{display:flex;gap:12px;font-size:13.5px;font-weight:500;line-height:1.65;flex-wrap:wrap}
.faq-q::before{content:"Q";font-family:var(--en);color:var(--gold);font-size:17px;flex-shrink:0}
.faq-q .jp{flex-basis:100%;padding-left:26px;margin-top:2px}
.faq-a{display:flex;gap:12px;font-size:12.5px;color:var(--ink-soft);margin-top:10px;line-height:1.85}
.faq-a::before{content:"A";font-family:var(--en);color:var(--gray);font-size:17px;flex-shrink:0}

/* ===== closing ===== */
.closing{background:var(--ink);color:#f5f3ef;text-align:center;padding:76px 24px 84px;max-width:560px;margin:0 auto}
.closing .sec-label{color:#8f8b84}
.closing-copy{font-family:var(--vi-serif);font-size:21px;line-height:1.7;letter-spacing:.01em;margin-bottom:8px;font-weight:500}
.closing-copy-jp{font-family:var(--jp-mincho);font-size:12px;letter-spacing:.14em;color:#c4ab82;margin-bottom:28px}

/* ===== footer ===== */
.footer{background:var(--ink);color:#8f8b84;font-size:10.5px;text-align:center;padding:26px 24px 110px;letter-spacing:.05em;border-top:1px solid rgba(255,255,255,.08)}
.footer-brand{font-family:var(--en);letter-spacing:.2em;font-size:11px;color:#b9b4ab;margin-bottom:10px}
.footer-note{line-height:1.9;margin-bottom:12px}
.footer-copy{letter-spacing:.14em}

/* ===== sticky CTA ===== */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));transform:translateY(110%);transition:transform .35s ease}
.sticky.show{transform:translateY(0)}
.sticky .btn-cta{padding:13px;font-size:14.5px;box-shadow:none;max-width:560px;margin:0 auto}

/* ===== scroll reveal ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .btn-cta,.sticky{transition:none}
  html{scroll-behavior:auto}
}