/* =========================================================
   KS美容室 (demo) — style.css
   Aesthetic: editorial × botanical × natural luxury（雑誌的・植物的・上質）
   外部リクエストなし（Fraunces自己ホスト／グレイン自己ホストSVG）
   ========================================================= */

@font-face{
  font-family:"Fraunces";
  src:url("../fonts/fraunces-latin-roman.woff2") format("woff2");
  font-weight:340 680;
  font-style:normal;
  font-display:swap;
}
@font-face{
  font-family:"Fraunces";
  src:url("../fonts/fraunces-latin-italic.woff2") format("woff2");
  font-weight:400 560;
  font-style:italic;
  font-display:swap;
}

:root{
  --beige:#BFA988;
  --ink:#5B4A3A;
  --sub:#8A7560;
  --sage:#9DAE86;
  --pale:#EDE4D6;
  --paper:#FBF8F3;
  --line:#E3D8C6;

  --display:"Fraunces","Hiragino Mincho ProN","Yu Mincho",YuMincho,"Noto Serif JP",serif;
  --mincho:"Hiragino Mincho ProN","Yu Mincho",YuMincho,"Noto Serif JP",serif;
  --sans:"Hiragino Kaku Gothic ProN","Hiragino Sans","Yu Gothic",YuGothic,Meiryo,system-ui,sans-serif;

  --shell:1140px;
  --narrow:760px;
  --gap:clamp(4rem,9vw,8rem);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.95;
  font-size:16px;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
}
/* グレイン質感（全面・操作を妨げない） */
body::before{
  content:"";position:fixed;inset:0;z-index:1;pointer-events:none;
  background:url("../images_HP/grain.svg");background-size:180px 180px;
  opacity:.045;mix-blend-mode:multiply;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;}

.shell{width:min(100% - 2.4rem,var(--shell));margin-inline:auto;}
.shell-narrow{width:min(100% - 2.4rem,var(--narrow));margin-inline:auto;}

/* ---- skip link ---- */
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--ink);color:var(--paper);padding:.6rem 1rem;border-radius:0 0 6px 0;
}
.skip-link:focus{left:0;}

/* ---- focus ---- */
:focus-visible{outline:2px solid var(--sage);outline-offset:3px;}

/* =========================================================
   Header / Nav
   ========================================================= */
.site-header{
  position:sticky;top:0;z-index:30;
  background:color-mix(in srgb,var(--paper) 88%,transparent);
  backdrop-filter:saturate(120%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:64px;}
.brand{display:inline-flex;align-items:center;gap:.6rem;text-decoration:none;}
.brand-mark{width:40px;height:40px;border-radius:50%;}
.brand-name{font-family:var(--display);font-size:1.35rem;letter-spacing:.08em;color:var(--ink);}
.brand-sub{font-family:var(--mincho);font-size:.85rem;margin-left:.25rem;color:var(--sub);letter-spacing:.12em;}

.site-nav{display:flex;align-items:center;gap:clamp(1rem,2.4vw,2.2rem);}
.site-nav a{
  text-decoration:none;font-size:.82rem;letter-spacing:.14em;color:var(--ink);
  text-transform:uppercase;display:inline-flex;align-items:baseline;gap:.35rem;
  padding:.35rem 0;border-bottom:1px solid transparent;transition:border-color .25s,color .25s;
}
.site-nav a:hover{border-color:var(--beige);color:var(--sub);}
.nav-num{font-family:var(--display);font-size:.7rem;color:var(--beige);font-style:italic;}

.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:6px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:50%;
  background:transparent;cursor:pointer;
}
.nav-toggle__bar{display:block;width:20px;height:1.5px;background:var(--ink);margin-inline:auto;transition:transform .25s;}

/* =========================================================
   Buttons
   ========================================================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--sans);font-size:.92rem;letter-spacing:.06em;
  padding:.85rem 1.6rem;border-radius:999px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;transition:background .25s,color .25s,border-color .25s,transform .15s;
}
.btn:active{transform:translateY(1px);}
.btn-solid{background:var(--ink);color:var(--paper);}
.btn-solid:hover{background:var(--sub);}
.btn-line{background:var(--sage);color:#fff;border-color:var(--sage);}
.btn-line:hover{background:#8aa073;}
.btn-lg{padding:1rem 2.4rem;font-size:1rem;}
.btn:disabled{background:var(--pale);color:var(--sub);border-color:var(--line);cursor:not-allowed;}

/* =========================================================
   Hero
   ========================================================= */
.hero{position:relative;isolation:isolate;min-height:clamp(560px,92vh,860px);display:flex;align-items:flex-end;overflow:hidden;}
.hero-media{position:absolute;inset:0;z-index:-1;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(251,248,243,.15),rgba(251,248,243,.85));}
.hero-inner{position:relative;width:min(100% - 2.4rem,var(--shell));margin-inline:auto;padding-block:clamp(2.5rem,6vw,5rem);}
.hero-vertical{
  position:absolute;top:clamp(1rem,4vw,3rem);right:clamp(.4rem,2vw,1.5rem);margin:0;
  writing-mode:vertical-rl;font-family:var(--mincho);font-size:clamp(1.3rem,2.4vw,2rem);
  letter-spacing:.4em;color:var(--ink);text-shadow:0 1px 0 rgba(251,248,243,.6);
}
.hero-copy{max-width:36rem;}
.hero-title{
  font-family:var(--display);font-weight:540;font-style:italic;
  font-size:clamp(3.2rem,11vw,7rem);line-height:.98;letter-spacing:.01em;
  margin:.2rem 0 .6rem;color:var(--ink);
}
.hero-lead{font-family:var(--mincho);font-size:clamp(1rem,1.6vw,1.18rem);margin:0 0 1.6rem;}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;}
.hero-scroll{
  position:absolute;left:50%;bottom:1rem;transform:translateX(-50%);
  font-size:.62rem;letter-spacing:.3em;color:var(--sub);text-decoration:none;writing-mode:vertical-rl;
}

.kicker{
  font-family:var(--display);font-style:italic;font-size:.95rem;letter-spacing:.12em;
  color:var(--sub);margin:0 0 .6rem;display:flex;align-items:center;gap:.6rem;
}
.sec-num{font-style:normal;font-size:1.05rem;color:var(--beige);}

/* =========================================================
   Sections
   ========================================================= */
.section{padding-block:var(--gap);position:relative;}
.section-menu,.section-voice,.section-access{background:var(--pale);}
.sec-head{max-width:48rem;margin-bottom:clamp(2rem,4vw,3.2rem);}
.sec-lead{color:var(--sub);font-size:.95rem;margin:.4rem 0 0;}
.h-serif{
  font-family:var(--display);font-weight:480;line-height:1.3;
  font-size:clamp(1.7rem,3.6vw,2.7rem);margin:0 0 1rem;color:var(--ink);letter-spacing:.01em;
}
.h-serif em{font-style:italic;color:var(--sage);}
.demo-note{font-size:.8em;color:var(--sub);}

.grid-2{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;}

.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.6rem;padding:0;margin:1.6rem 0 0;}
.chips li{font-size:.82rem;color:var(--sub);border:1px solid var(--line);border-radius:999px;padding:.35rem 1rem;background:var(--paper);}

.concept-media img,.access-media img{border-radius:4px;}

/* ---- Menu ---- */
.menu-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;}
.menu-row{
  display:grid;grid-template-columns:84px 1fr auto;gap:1.4rem;align-items:center;
  padding:1.5rem 0;border-top:1px solid var(--line);
}
.menu-row:last-child{border-bottom:1px solid var(--line);}
.menu-thumb{width:84px;height:84px;object-fit:cover;border-radius:50%;}
.menu-body h3{margin:0 0 .3rem;font-size:1.18rem;}
.menu-body p{margin:0;font-size:.9rem;color:var(--sub);}
.menu-price{font-family:var(--display);font-size:1.4rem;margin:0;white-space:nowrap;color:var(--ink);}
.menu-price .tax{font-family:var(--sans);font-size:.7rem;color:var(--sub);margin-left:.3rem;}

/* ---- Gallery ---- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:1fr;gap:14px;}
.gallery-grid figure{margin:0;overflow:hidden;border-radius:4px;}
.gallery-grid img{width:100%;height:100%;object-fit:cover;aspect-ratio:1/1;transition:transform .6s ease;}
.gallery-grid figure:hover img{transform:scale(1.04);}
.g-a{grid-column:span 2;grid-row:span 2;}
.g-b{grid-column:span 2;}
.g-c{grid-column:span 2;}

/* ---- Voice ---- */
.voice-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:1.2rem;}
.voice-card{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:1.6rem 1.6rem 1.4rem;position:relative;}
.voice-tag{font-size:.68rem;letter-spacing:.08em;color:var(--sub);background:var(--pale);display:inline-block;padding:.15rem .6rem;border-radius:999px;margin:0 0 .8rem;}
.voice-body{margin:0 0 1rem;font-family:var(--mincho);}
.voice-body::before{content:"\201C";font-family:var(--display);font-size:2.4rem;color:var(--beige);line-height:0;vertical-align:-.4em;margin-right:.15em;}
.voice-name{margin:0;font-size:.82rem;color:var(--sub);text-align:right;}

/* ---- FAQ ---- */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:1.15rem .2rem;font-family:var(--mincho);font-size:1.02rem;
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"＋";color:var(--beige);font-size:1.2rem;transition:transform .25s;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 .2rem 1.2rem;color:var(--sub);font-size:.92rem;}
.faq-body p{margin:0;}

/* ---- Access ---- */
.info{display:grid;grid-template-columns:7rem 1fr;gap:.5rem 1rem;margin:1.4rem 0 0;}
.info dt{font-size:.82rem;color:var(--sub);letter-spacing:.08em;border-bottom:1px dotted var(--line);padding-bottom:.4rem;}
.info dd{margin:0;font-size:.95rem;border-bottom:1px dotted var(--line);padding-bottom:.4rem;}
.map-note{margin:1.4rem 0 0;font-size:.85rem;color:var(--sub);border:1px dashed var(--line);border-radius:6px;padding:.7rem 1rem;display:inline-block;}

/* ---- Contact ---- */
.section-contact{background:linear-gradient(160deg,var(--paper),var(--pale));text-align:center;}
.contact-inner{max-width:40rem;margin-inline:auto;}
.contact-inner .kicker{justify-content:center;}
.contact-lead{font-family:var(--mincho);margin:0 0 1.8rem;}
.contact-sns{margin:1.4rem 0 0;font-size:.85rem;color:var(--sub);letter-spacing:.06em;}

/* ---- Footer ---- */
.site-footer{background:var(--ink);color:var(--paper);padding-block:3rem;}
.footer-inner{display:flex;flex-direction:column;gap:.9rem;text-align:center;}
.footer-brand{font-family:var(--display);font-size:1.5rem;letter-spacing:.1em;margin:0;}
.footer-brand span{font-family:var(--mincho);font-size:.9rem;margin-left:.3rem;opacity:.8;}
.footer-note{font-size:.8rem;line-height:1.8;opacity:.82;max-width:46rem;margin:0 auto;}
.footer-copy{font-size:.75rem;opacity:.7;margin:0;}

/* =========================================================
   Reveal animation
   ========================================================= */
.js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease;}
.js [data-reveal].is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js [data-reveal]{opacity:1;transform:none;transition:none;}
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:767px){
  /* nav → ハンバーガー */
  .nav-toggle{display:flex;}
  .site-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:var(--paper);border-bottom:1px solid var(--line);
    padding:.5rem 1.2rem 1.2rem;display:none;
  }
  .site-nav.is-open{display:flex;}
  .site-nav a{width:100%;border-bottom:1px solid var(--line);padding:.9rem 0;}
  /* no-js: トグルできないのでナビは常時表示（リンク到達性を確保） */
  .no-js .nav-toggle{display:none;}
  .no-js .site-nav{position:static;display:flex;padding:0 0 .6rem;border:0;}

  /* 縦書き解除 */
  .hero-vertical{position:static;writing-mode:horizontal-tb;letter-spacing:.06em;margin:0 0 .8rem;font-size:1.1rem;}
  .hero{align-items:center;}
  .hero-scroll{display:none;}

  .grid-2{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .g-a{grid-column:span 2;grid-row:auto;}
  .g-b,.g-c{grid-column:span 1;}
}

@media (max-width:430px){
  .menu-row{grid-template-columns:60px 1fr;grid-template-areas:"thumb body" "price price";row-gap:.6rem;}
  .menu-thumb{width:60px;height:60px;grid-area:thumb;}
  .menu-body{grid-area:body;}
  .menu-price{grid-area:price;text-align:right;}
  .gallery-grid{grid-template-columns:1fr;}
  .g-a,.g-b,.g-c{grid-column:span 1;}
  .info{grid-template-columns:1fr;gap:.2rem 0;}
  .info dt{border:0;padding-bottom:0;margin-top:.6rem;}
  .info dd{border-bottom:1px dotted var(--line);}
}