/* =========================================================
   KS CAFE (demo) — style.css
   Aesthetic: editorial × botanical（雑誌的・植物的・上質）
   外部リクエストなし（Frauncesは自己ホスト／グレインは自己ホスト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{
  --ink:#20271f;
  --forest:#2c3b30;
  --green:#5b7a6e;
  --terra:#b4552c;
  --terra-deep:#9a431f;
  --coffee:#806040;   /* ロゴ「KS」＝アイコンのコーヒーブラウンに合わせた色 */
  --paper:#faf6ed;
  --cream:#f2ebdc;
  --cream-deep:#e8dec9;
  --muted:#5c5648;
  --line:#ddd2bd;

  --display:"Fraunces","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:1120px;
  --gap:clamp(3.5rem,8vw,7rem);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:80px;-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:1.9;
  font-size:16px;
  letter-spacing:.015em;
  -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/grain.svg");background-size:180px 180px;
  opacity:.05;mix-blend-mode:multiply;
}
img{max-width:100%;height:auto;display:block;}
em{font-style:italic;}

.shell{width:min(100% - 2.6rem,var(--shell));margin-inline:auto;}
.shell--narrow{max-width:760px;}

/* タイポ基本 */
.h-serif{
  font-family:var(--display);
  font-weight:480;
  font-variation-settings:"opsz" 120,"SOFT" 28,"WONK" 0;
  line-height:1.18;
  letter-spacing:.005em;
  font-size:clamp(2rem,5.2vw,3.3rem);
  margin:.1em 0 .6em;
  color:var(--ink);
}
.h-serif em{font-weight:480;color:var(--terra-deep);}
.kicker{
  font-family:var(--sans);
  text-transform:uppercase;letter-spacing:.32em;font-size:.72rem;font-weight:700;
  color:var(--forest);display:flex;align-items:center;gap:.7rem;margin:0 0 1rem;
}
.kicker__no{font-family:var(--display);font-style:italic;font-weight:500;font-size:1.05rem;letter-spacing:0;color:var(--terra-deep);}
.kicker--light{color:rgba(255,255,255,.85);}
.kicker--light .kicker__no{color:var(--terra);}
.note{font-size:.82rem;color:var(--muted);letter-spacing:.02em;}
.note--light{color:rgba(255,255,255,.78);}

.section{position:relative;z-index:2;padding-block:var(--gap);}
.section-head{margin-bottom:2.6rem;max-width:46rem;}

a{color:var(--terra-deep);}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:200;}
.skip-link:focus{left:0;}

:where(a,button,summary,[tabindex]):focus-visible{
  outline:3px solid var(--terra);outline-offset:3px;border-radius:3px;
}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(8px) saturate(1.1);border-bottom:1px solid var(--line);}
.header__inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:1rem;}
.brand{display:inline-flex;align-items:baseline;gap:.18rem;text-decoration:none;color:var(--ink);}
.brand__mark{font-family:var(--display);font-weight:600;font-size:1.5rem;color:var(--coffee);font-variation-settings:"opsz" 120,"WONK" 1;}
.brand__name{font-family:var(--display);font-weight:430;letter-spacing:.42em;font-size:.95rem;margin-left:.3rem;}
.nav-list{list-style:none;display:flex;gap:1.5rem;margin:0;padding:0;}
.nav-list a{text-decoration:none;color:var(--ink);font-size:.86rem;letter-spacing:.05em;display:inline-flex;align-items:baseline;gap:.32rem;padding:.35rem 0;border-bottom:1.5px solid transparent;transition:border-color .25s,color .25s;}
.nav-list a:hover{color:var(--terra-deep);border-bottom-color:var(--terra);}
.nav-list__no{font-family:var(--display);font-style:italic;font-size:.72rem;color:var(--terra-deep);}
.nav-toggle{display:none;border:0;background:transparent;cursor:pointer;width:46px;height:46px;padding:11px;}
.nav-toggle__bar{display:block;height:1.6px;background:var(--ink);margin:6px 0;transition:transform .25s,opacity .25s;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.9rem 1.7rem;border-radius:2px;font-size:.9rem;letter-spacing:.06em;font-weight:600;text-decoration:none;transition:transform .18s,background .25s,color .25s,border-color .25s;}
.btn small{font-weight:400;font-size:.78em;opacity:.8;}
.btn--solid{background:var(--ink);color:var(--paper);}
.btn--solid:hover{background:var(--forest);transform:translateY(-2px);}
.btn--line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.75);}
.btn--line:hover{background:rgba(255,255,255,.14);}
.btn--solid-light{background:var(--paper);color:var(--ink);}
.btn--outline-light{background:transparent;color:var(--paper);border:1.5px solid rgba(255,255,255,.7);}
.is-demo{cursor:default;}
.btn.is-demo{border-style:dashed;opacity:.92;}
.is-demo-text{color:var(--muted);font-size:.85em;}
.contact .is-demo-text{color:rgba(255,255,255,.7);}

/* ===== Hero ===== */
.hero{position:relative;min-height:min(92vh,760px);display:flex;align-items:flex-end;overflow:hidden;isolation:isolate;}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;filter:saturate(.92) contrast(1.02);}
.hero__scrim{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(20,28,20,.5) 0%,rgba(20,28,20,.2) 38%,rgba(20,28,20,.72) 100%);}
.hero__vertical{position:absolute;top:6.5rem;right:clamp(.9rem,3vw,2.4rem);margin:0;writing-mode:vertical-rl;color:rgba(255,255,255,.82);font-size:.8rem;letter-spacing:.45em;font-family:var(--display);}
.hero__body{position:relative;color:#fff;padding-block:clamp(3rem,7vw,5.5rem);max-width:42rem;}
.hero__eyebrow{text-transform:uppercase;letter-spacing:.3em;font-size:.74rem;margin:0 0 1.1rem;color:rgba(255,255,255,.9);}
.hero__eyebrow .ital{font-family:var(--display);font-style:italic;letter-spacing:0;text-transform:none;}
.hero__title{margin:0 0 1.3rem;display:flex;flex-direction:column;gap:.2rem;}
.hero__title-en{font-family:var(--display);font-weight:600;font-variation-settings:"opsz" 144,"SOFT" 40,"WONK" 1;letter-spacing:.02em;font-size:clamp(3rem,12vw,6.5rem);line-height:.95;text-shadow:0 3px 30px rgba(0,0,0,.3);}
.hero__title-jp{font-family:var(--display);font-weight:480;font-size:clamp(1.15rem,3.4vw,1.9rem);line-height:1.5;letter-spacing:.04em;}
.hero__title-jp em{color:#f0c9a0;}
.hero__lead{font-size:clamp(.95rem,2.2vw,1.08rem);margin:0 0 2rem;color:rgba(255,255,255,.92);text-shadow:0 1px 12px rgba(0,0,0,.3);}
.hero__actions{display:flex;flex-wrap:wrap;gap:.9rem;}
.hero__scroll{position:absolute;bottom:1.6rem;right:clamp(1rem,4vw,2.6rem);z-index:2;color:rgba(255,255,255,.8);text-decoration:none;font-size:.66rem;letter-spacing:.3em;writing-mode:vertical-rl;}
.hero__scroll::after{content:"";display:block;width:1px;height:34px;margin:.6rem auto 0;background:rgba(255,255,255,.6);animation:scrollline 2s ease-in-out infinite;}
@keyframes scrollline{0%,100%{transform:scaleY(.3);transform-origin:top;opacity:.4}50%{transform:scaleY(1);opacity:1}}

/* ===== About ===== */
.about{background:var(--paper);}
.about__grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4.5rem);align-items:center;}
.about__media{position:relative;}
.about__media img{border-radius:2px;box-shadow:0 28px 60px rgba(32,39,31,.18);}
.tag-badge{position:absolute;bottom:-1.1rem;left:-1.1rem;background:var(--terra);color:#fff;font-family:var(--display);font-style:italic;font-size:.92rem;padding:.5rem 1.1rem;border-radius:2px;box-shadow:0 10px 24px rgba(154,67,31,.28);}
.chips{list-style:none;padding:0;margin:1.6rem 0 0;display:flex;flex-wrap:wrap;gap:.5rem;}
.chips li{border:1px solid var(--line);color:var(--forest);border-radius:999px;padding:.35rem 1rem;font-size:.82rem;}

/* ===== Menu ===== */
.menu{background:var(--cream);}
.menu-list{list-style:none;margin:0;padding:0;}
.menu-row{display:grid;grid-template-columns:auto 92px 1fr auto;align-items:center;gap:1.6rem;padding:1.5rem 0;border-top:1px solid var(--line);}
.menu-row:last-child{border-bottom:1px solid var(--line);}
.menu-row__no{font-family:var(--display);font-style:italic;color:var(--terra-deep);font-size:1.1rem;}
.menu-row img{width:92px;height:92px;object-fit:cover;border-radius:2px;}
.menu-row__body h3{margin:0 0 .2rem;font-size:1.25rem;}
.menu-row__body p{margin:0;color:var(--muted);font-size:.9rem;}
.menu-row__price{font-family:var(--display);font-size:1.5rem;color:var(--ink);white-space:nowrap;}
.menu-row__price small{font-family:var(--sans);font-size:.6rem;color:var(--muted);margin-left:.25rem;letter-spacing:.02em;}

/* ===== Gallery ===== */
.gallery{background:var(--forest);color:var(--paper);}
.gallery .kicker{color:rgba(255,255,255,.85);}
.gallery .h-serif{color:var(--paper);}
.gallery-mosaic{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:clamp(155px,19vw,196px);gap:1rem;}
.gallery-mosaic figure{position:relative;margin:0;overflow:hidden;border-radius:2px;}
.gallery-mosaic img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.gallery-mosaic figure:hover img{transform:scale(1.06);}
.gallery-mosaic figcaption{position:absolute;left:0;right:0;bottom:0;padding:1.4rem .9rem .7rem;font-size:.8rem;color:#fff;background:linear-gradient(transparent,rgba(20,28,20,.8));}
.gallery-mosaic__a{grid-column:1/4;grid-row:1/3;}
.gallery-mosaic__b{grid-column:4/7;grid-row:1/2;}
.gallery-mosaic__c{grid-column:4/7;grid-row:2/3;}

/* ===== Info ===== */
.info{background:var(--paper);}
.info__grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4rem);align-items:start;}
.info__head{position:sticky;top:96px;margin-bottom:0;}
.info-list{margin:0;}
.info-row{display:grid;grid-template-columns:9rem 1fr;gap:1rem;padding:1rem .2rem;border-bottom:1px solid var(--line);}
.info-row:first-child{border-top:1px solid var(--line);}
.info-row dt{font-weight:700;color:var(--forest);font-size:.92rem;letter-spacing:.02em;}
.info-row dd{margin:0;}

/* ===== FAQ ===== */
.faq{background:var(--cream);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{list-style:none;cursor:pointer;padding:1.25rem 2.6rem 1.25rem 0;font-weight:600;font-size:1.02rem;position:relative;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";position:absolute;right:.4rem;top:1.6rem;width:10px;height:10px;border-right:1.6px solid var(--terra);border-bottom:1.6px solid var(--terra);transform:rotate(45deg);transition:transform .25s;}
.faq-item[open] summary::after{transform:rotate(225deg);}
.faq-item__body{padding:0 0 1.3rem;color:var(--muted);}
.faq-item__body p{margin:0;}

/* ===== Voice ===== */
.voice{background:var(--paper);}
.voice-grid{list-style:none;padding:0;margin:0 0 1.2rem;display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem;}
.voice-card{position:relative;background:var(--cream);border-radius:2px;padding:2.4rem 1.8rem 1.6rem;overflow:hidden;}
.voice-card__quote{position:absolute;top:-.6rem;left:.9rem;font-family:var(--display);font-size:5rem;color:var(--terra);opacity:.3;line-height:1;}
.voice-card__text{margin:0 0 1rem;position:relative;}
.voice-card__name{margin:0;font-size:.84rem;color:var(--forest);font-weight:700;letter-spacing:.04em;}

/* ===== Contact ===== */
.contact{background:var(--ink);color:var(--paper);text-align:center;}
.contact .kicker{justify-content:center;}
.contact__title{color:var(--paper);}
.contact__title em{color:#7fae9a;}
.contact__lead{margin:.4rem 0 1.2rem;}
.contact__themes{list-style:none;padding:0;margin:0 auto 2rem;display:inline-flex;flex-direction:column;gap:.55rem;text-align:left;}
.contact__themes li{position:relative;padding-left:1.5rem;color:rgba(255,255,255,.92);}
.contact__themes li::before{content:"";position:absolute;left:0;top:.7em;width:7px;height:7px;background:var(--terra);border-radius:50%;}
.contact__actions{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;}

/* ===== Footer ===== */
.site-footer{position:relative;z-index:2;background:#171c16;color:#b9b3a4;padding-block:2.6rem;text-align:center;}
.site-footer__inner{display:flex;flex-direction:column;gap:.5rem;}
.site-footer__brand{margin:0 0 .3rem;}
.site-footer__brand .brand__mark{color:#caa07f;}
.site-footer__brand .brand__name{color:#d8d2c4;}
.site-footer__meta{font-size:.84rem;margin:0;}
.site-footer__note{font-size:.78rem;color:#ada695;margin:0;}
.site-footer__copy{margin:.3rem 0 0;color:#ada695;}

/* ===== Scroll reveal（JS有効時のみ。無効時は常時表示） ===== */
.js [data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease;}
.js [data-reveal].is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js [data-reveal]{opacity:1;transform:none;transition:none;}
  .hero__scroll::after{animation:none;}
}

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width:880px){
  .about__grid{grid-template-columns:1fr;gap:2.6rem;}
  .tag-badge{left:auto;right:1rem;bottom:-.9rem;}
  .info__grid{grid-template-columns:1fr;gap:1.6rem;}
  .info__head{position:static;}
  .gallery-mosaic{grid-template-columns:1fr 1fr;grid-auto-rows:clamp(150px,30vw,200px);}
  .gallery-mosaic__a{grid-column:1/3;grid-row:1/3;}
  .gallery-mosaic__b{grid-column:1/2;grid-row:3/4;}
  .gallery-mosaic__c{grid-column:2/3;grid-row:3/4;}
}
@media (max-width:720px){
  .js .nav-toggle{display:block;}
  .js .site-nav{position:fixed;inset:68px 0 auto 0;background:var(--paper);border-bottom:1px solid var(--line);max-height:0;overflow:hidden;transition:max-height .3s ease;}
  .js .site-nav.is-open{max-height:84vh;}
  .js .nav-list{flex-direction:column;gap:0;padding:.4rem 1.3rem 1rem;}
  .js .nav-list li{border-bottom:1px solid var(--line);}
  .js .nav-list a{padding:.95rem .1rem;}
  .no-js .nav-list{flex-wrap:wrap;gap:.4rem 1rem;justify-content:flex-end;}

  .voice-grid{grid-template-columns:1fr;}
  .menu-row{grid-template-columns:64px 1fr;grid-template-areas:"img body" "img price";column-gap:1rem;row-gap:.2rem;align-items:start;}
  .menu-row__no{display:none;}
  .menu-row img{grid-area:img;width:64px;height:64px;}
  .menu-row__body{grid-area:body;}
  .menu-row__price{grid-area:price;font-size:1.2rem;}
}
@media (max-width:430px){
  .gallery-mosaic{grid-template-columns:1fr;grid-auto-rows:auto;}
  .gallery-mosaic figure{grid-column:1/2;grid-row:auto;}
  .gallery-mosaic img{height:auto;aspect-ratio:3/2;}
  .hero__vertical{display:none;}
  /* 狭幅では店舗情報を縦積みにして可読性を確保 */
  .info-row{grid-template-columns:1fr;gap:.1rem;}
  .info-row dt{margin-bottom:.05rem;}
}