@charset "UTF-8";
/* 安井豆腐店 — 共通スタイル（依存なし） */

/* ============ トークン ============ */
:root{
  --kinari:#F6F0E4;      /* 生成り（地） */
  --kinari-2:#EFE6D4;    /* 生成り・濃 */
  --sumi:#2B2620;        /* 墨 */
  --sumi-70:#5A5147;
  --sumi-45:#8A7F70;
  --shu:#B23A2E;         /* 朱（暖簾・のぼり） */
  --shu-dark:#8E2C22;
  --kinako:#D9C08A;      /* 大豆きなこ */
  --kinako-dark:#C6A96E;
  --wakakusa:#6E7B4B;    /* 若草 */
  --white:#FCFAF5;

  --mincho:"Zen Old Mincho","Yu Mincho",YuMincho,"Hiragino Mincho ProN",serif;
  --gothic:"Zen Kaku Gothic New","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;
  --latin:"Cormorant Garamond",Georgia,serif;

  --wrap:1120px;
  --gutter:clamp(1.25rem,5vw,3rem);
  --header-h:64px;

  /* 和紙の粒子（外部画像なし） */
  --washi:
    radial-gradient(circle at 18% 22%, rgba(178,58,46,.035) 0 1px, transparent 1.6px),
    radial-gradient(circle at 62% 71%, rgba(43,38,32,.04) 0 1px, transparent 1.8px),
    radial-gradient(circle at 88% 34%, rgba(43,38,32,.03) 0 1px, transparent 1.4px);
  --washi-size:37px 41px, 53px 59px, 71px 67px;

  /* 木目 */
  --mokume:
    repeating-linear-gradient(90deg,
      rgba(90,62,36,.055) 0 2px,
      rgba(90,62,36,0)   2px 7px,
      rgba(90,62,36,.03) 7px 8px,
      rgba(90,62,36,0)   8px 15px);
}

/* ============ リセット ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--gothic);
  font-size:16px;
  line-height:1.9;
  color:var(--sumi);
  background-color:var(--kinari);
  background-image:var(--washi);
  background-size:var(--washi-size);
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
img{height:auto}
a{color:inherit}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--shu);outline-offset:3px}

.wrap{width:min(100% - var(--gutter)*2,var(--wrap));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ 見出し共通 ============ */
.h-section{
  font-family:var(--mincho);
  font-weight:600;
  font-size:clamp(1.6rem,1.1rem + 2vw,2.4rem);
  line-height:1.5;
  letter-spacing:.06em;
}
.h-section__en{
  display:block;
  font-family:var(--latin);
  font-style:italic;
  font-size:.85rem;
  letter-spacing:.18em;
  color:var(--shu);
  margin-bottom:.35rem;
  text-transform:uppercase;
}
.lead{
  font-size:clamp(.98rem,.94rem + .2vw,1.06rem);
  color:var(--sumi-70);
  max-width:42em;
}

/* 朱の縦罫を左に添える見出し */
.h-rule{position:relative;padding-left:1rem}
.h-rule::before{
  content:"";position:absolute;left:0;top:.35em;bottom:.2em;
  width:4px;background:var(--shu);
}

/* ============ ヘッダー ============ */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:60;
  min-height:var(--header-h);
  display:flex;align-items:center;justify-content:space-between;
  padding:.5rem var(--gutter);
  color:var(--white);
  transition:background-color .35s ease,color .35s ease,box-shadow .35s ease;
}
.site-header.is-solid{
  background:var(--kinari);
  color:var(--sumi);
  box-shadow:0 1px 0 rgba(43,38,32,.14),0 6px 18px rgba(43,38,32,.06);
}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none}
.brand__mark{width:36px;height:36px;border-radius:2px}
.brand__name{
  display:block;font-family:var(--mincho);font-weight:700;
  font-size:1.06rem;letter-spacing:.16em;line-height:1.25;
}
.brand__sub{
  display:block;font-family:var(--latin);font-size:.62rem;
  letter-spacing:.26em;text-transform:uppercase;opacity:.72;
}

.nav{display:flex;align-items:center;gap:1.6rem}
.nav a{
  text-decoration:none;font-size:.92rem;letter-spacing:.08em;
  padding:.35rem 0;position:relative;
}
.nav a::after{
  content:"";position:absolute;left:0;right:100%;bottom:.1rem;height:1px;
  background:var(--shu);transition:right .3s ease;
}
.nav a:hover::after,.nav a[aria-current="page"]::after{right:0}
.nav a[aria-current="page"]{color:var(--shu)}
.site-header:not(.is-solid) .nav a[aria-current="page"]{color:var(--kinako)}
.site-header:not(.is-solid) .nav a::after{background:var(--kinako)}
.nav__tel{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:var(--latin);font-size:1.02rem;letter-spacing:.06em;
}
.nav__tel::after{display:none}
.nav__tel svg{width:16px;height:16px}

.nav-toggle{display:none;width:44px;height:44px;position:relative;z-index:70}
.nav-toggle span{
  display:block;height:1.6px;width:24px;margin:5px auto;
  background:currentColor;transition:transform .3s ease,opacity .2s ease;
}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

@media (max-width:880px){
  .nav-toggle{display:block}
  .nav{
    position:fixed;inset:0;z-index:65;
    flex-direction:column;justify-content:center;gap:1.6rem;
    background:var(--shu);color:var(--white);
    background-image:var(--washi);background-size:var(--washi-size);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .3s ease,transform .3s ease,visibility .3s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav a{font-family:var(--mincho);font-size:1.25rem;letter-spacing:.2em}
  .nav a::after{background:var(--kinako)}
  .site-header:not(.is-solid) .nav a[aria-current="page"],
  .nav a[aria-current="page"]{color:var(--kinako)}
  body.nav-open .site-header{color:var(--white);background:transparent;box-shadow:none}
}

/* ============ ヒーロー（暖簾） ============ */
.hero{
  position:relative;
  min-height:100svh;
  display:grid;
  place-items:end center;
  overflow:hidden;
  isolation:isolate;
}
.hero__media{position:absolute;inset:0;z-index:-2}
.hero__media img{width:100%;height:100%;object-fit:cover;object-position:center 58%}
.hero__scrim{
  position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(28,24,20,.5) 0%,rgba(28,24,20,.18) 34%,rgba(28,24,20,.62) 100%);
}

/* 暖簾（上部から垂れる三枚） */
.noren{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(100%,760px);
  z-index:2;
  pointer-events:none;
  transform-origin:top center;
  animation:noren-lift both linear;
  animation-timeline:scroll(root);
  animation-range:0 62vh;
}
.noren__pole{height:8px;background:var(--sumi);box-shadow:0 2px 6px rgba(0,0,0,.35)}
.noren__cloth{display:flex;gap:6px;height:clamp(190px,34vh,270px);padding:0 4px}
.noren__panel{
  flex:1;position:relative;
  background:var(--shu);
  background-image:linear-gradient(180deg,rgba(255,255,255,.07),rgba(0,0,0,.14));
  display:grid;place-items:center;
  padding-top:1.4rem;
  box-shadow:0 10px 24px rgba(0,0,0,.28);
}
.noren__panel::after{ /* 裾の揺らぎ */
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:14px;
  background:radial-gradient(ellipse 60% 100% at 50% 0,var(--shu) 60%,transparent 61%);
}
.noren__char{
  font-family:var(--mincho);font-weight:700;
  writing-mode:vertical-rl;
  font-size:clamp(1.5rem,4.6vw,2.5rem);
  letter-spacing:.34em;
  color:var(--white);
  text-shadow:0 1px 3px rgba(0,0,0,.3);
}
.noren__panel--side .noren__char{
  font-size:clamp(.72rem,2vw,.95rem);
  letter-spacing:.42em;
  color:rgba(252,250,245,.9);
  font-family:var(--gothic);
}
@keyframes noren-lift{
  to{transform:translateX(-50%) translateY(-102%)}
}

.hero__copy{
  position:relative;z-index:3;
  text-align:center;color:var(--white);
  padding:0 var(--gutter) clamp(3.5rem,10vh,6rem);
}
.hero__since{
  font-family:var(--mincho);
  writing-mode:vertical-rl;
  margin:0 auto 1.4rem;
  letter-spacing:.4em;
  font-size:.92rem;
  color:var(--kinako);
  height:9em;
}
.hero__title{
  font-family:var(--mincho);font-weight:700;
  font-size:clamp(1.7rem,1.1rem + 2.6vw,2.9rem);
  line-height:1.7;letter-spacing:.1em;
  text-shadow:0 2px 12px rgba(0,0,0,.4);
}
.hero__sub{
  margin-top:.9rem;font-size:.94rem;letter-spacing:.09em;
  color:rgba(252,250,245,.88);
}
.hero__scroll{
  position:absolute;bottom:1rem;left:50%;transform:translateX(-50%);
  z-index:3;color:rgba(252,250,245,.75);
  font-family:var(--latin);font-size:.68rem;letter-spacing:.24em;
  display:grid;justify-items:center;gap:.5rem;
}
.hero__scroll span{width:1px;height:38px;background:currentColor;animation:scroll-pulse 2.2s ease-in-out infinite}
@keyframes scroll-pulse{0%,100%{opacity:.25;transform:scaleY(.4);transform-origin:top}50%{opacity:1;transform:scaleY(1);transform-origin:top}}

/* ============ セクション ============ */
.section{padding:clamp(3.5rem,9vw,6.5rem) 0}
.section--paper{background:var(--kinari-2)}
.section__head{margin-bottom:clamp(1.8rem,4vw,2.8rem)}
.section__head .lead{margin-top:1rem}

/* ============ のぼり旗バナー（ドーナツ訴求） ============ */
.nobori{
  position:relative;
  background:var(--shu);
  color:var(--white);
  overflow:hidden;
}
.nobori::before{ /* 白の縁取り（のぼり旗の枠） */
  content:"";position:absolute;inset:10px;border:1px solid rgba(252,250,245,.42);pointer-events:none;
}
.nobori__inner{
  display:grid;gap:clamp(1.6rem,4vw,3rem);
  grid-template-columns:1fr;
  align-items:center;
  padding:clamp(2.6rem,6vw,4.4rem) 0;
}
@media (min-width:820px){.nobori__inner{grid-template-columns:1.05fr .95fr}}
.nobori__tag{
  display:inline-block;
  font-family:var(--gothic);font-size:.7rem;letter-spacing:.24em;
  border:1px solid rgba(252,250,245,.6);
  padding:.3rem .8rem;margin-bottom:1.1rem;
}
.nobori__title{
  font-family:var(--mincho);font-weight:700;
  font-size:clamp(1.7rem,1.1rem + 2.4vw,2.7rem);
  line-height:1.55;letter-spacing:.06em;
}
.nobori__title em{font-style:normal;color:var(--kinako)}
.nobori__text{margin-top:1.1rem;color:rgba(252,250,245,.9);max-width:34em}
.nobori__facts{
  display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.6rem;
}
.nobori__fact{
  border:1px dashed rgba(252,250,245,.5);
  padding:.45rem .9rem;font-size:.8rem;letter-spacing:.06em;
}
.nobori__media{position:relative}
.nobori__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:6px solid var(--white)}

/* ============ 木札（値札カード） ============ */
.fuda-grid{
  display:grid;gap:clamp(1.2rem,3vw,2rem);
  grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));
}
.fuda{
  background:var(--kinako);
  background-image:var(--mokume);
  border:1px solid var(--kinako-dark);
  box-shadow:0 6px 16px rgba(43,38,32,.1);
  display:flex;flex-direction:column;
  position:relative;
}
.fuda::before{ /* 木札の吊り穴 */
  content:"";position:absolute;top:.7rem;left:50%;transform:translateX(-50%);
  width:10px;height:10px;border-radius:50%;
  background:var(--kinari);box-shadow:inset 0 1px 2px rgba(43,38,32,.35);
  z-index:1;
}
.fuda__media{margin:2rem .9rem 0;background:var(--kinari)}
.fuda__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.fuda__body{padding:1.1rem 1.2rem 1.4rem;text-align:center}
.fuda__name{
  font-family:var(--mincho);font-weight:600;
  font-size:1.22rem;letter-spacing:.1em;
}
.fuda__note{margin-top:.5rem;font-size:.86rem;color:var(--sumi-70);line-height:1.8}
.fuda__price{
  margin-top:.9rem;padding-top:.8rem;
  border-top:1px solid rgba(43,38,32,.18);
  font-family:var(--latin);font-size:1.5rem;letter-spacing:.02em;
}
.fuda__price small{font-family:var(--gothic);font-size:.72rem;letter-spacing:.08em;color:var(--sumi-70)}
.fuda__price--ask{
  font-family:var(--mincho);font-size:1.05rem;letter-spacing:.14em;color:var(--sumi-70);
}
.fuda__badge{
  position:absolute;top:-10px;right:-8px;z-index:2;
  background:var(--shu);color:var(--white);
  font-size:.68rem;letter-spacing:.14em;padding:.3rem .7rem;
  box-shadow:0 4px 10px rgba(43,38,32,.24);
}

/* ============ 二段組（写真＋文章） ============ */
.split{
  display:grid;gap:clamp(1.8rem,5vw,3.4rem);
  grid-template-columns:1fr;align-items:center;
}
@media (min-width:860px){
  .split{grid-template-columns:1fr 1fr}
  .split--reverse .split__media{order:2}
}
.split__media{position:relative}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split__media::after{ /* 額縁の外し罫 */
  content:"";position:absolute;inset:14px -14px -14px 14px;
  border:1px solid var(--kinako-dark);z-index:-1;
}
.split__body p+p{margin-top:1rem}

/* ============ 年表 ============ */
.chronicle{position:relative;margin-top:2rem;padding-left:1.6rem}
.chronicle::before{content:"";position:absolute;left:4px;top:.6em;bottom:.6em;width:1px;background:var(--kinako-dark)}
.chronicle li{position:relative;padding-bottom:1.8rem}
.chronicle li:last-child{padding-bottom:0}
.chronicle li::before{
  content:"";position:absolute;left:-1.6rem;top:.55em;
  width:9px;height:9px;border-radius:50%;
  background:var(--kinari);border:2px solid var(--shu);
}
.chronicle__year{
  font-family:var(--latin);font-size:1.15rem;letter-spacing:.06em;color:var(--shu);
}
.chronicle__year small{font-family:var(--gothic);font-size:.72rem;letter-spacing:.1em;color:var(--sumi-45);margin-left:.5rem}
.chronicle__text{margin-top:.2rem;color:var(--sumi-70)}

/* ============ 引用（店主の言葉） ============ */
.quote{
  border-left:3px solid var(--shu);
  padding:.4rem 0 .4rem 1.4rem;
  font-family:var(--mincho);
  font-size:clamp(1.05rem,1rem + .5vw,1.3rem);
  line-height:2;
}
.quote cite{display:block;margin-top:.9rem;font-family:var(--gothic);font-size:.82rem;font-style:normal;color:var(--sumi-45);letter-spacing:.1em}

/* ============ 営業案内テーブル ============ */
.info-table{width:100%;border-collapse:collapse;font-size:.95rem}
.info-table th,.info-table td{
  text-align:left;padding:.95rem .4rem;
  border-bottom:1px solid rgba(43,38,32,.14);
  vertical-align:top;
}
.info-table th{
  width:8.5em;font-weight:500;color:var(--sumi-45);
  letter-spacing:.1em;white-space:nowrap;
}
.info-table td small{display:block;color:var(--sumi-45);font-size:.82rem;margin-top:.25rem}

/* ============ 営業時間の帯 ============ */
.hours{
  display:grid;gap:1px;background:rgba(43,38,32,.14);
  grid-template-columns:1fr;
  border:1px solid rgba(43,38,32,.14);
}
@media (min-width:640px){.hours{grid-template-columns:1fr 1fr}}
.hours__cell{background:var(--kinari);padding:1.5rem 1.2rem;text-align:center}
.hours__label{font-size:.76rem;letter-spacing:.2em;color:var(--shu)}
.hours__time{font-family:var(--latin);font-size:1.9rem;letter-spacing:.04em;margin-top:.3rem}
.hours__note{font-size:.82rem;color:var(--sumi-45);margin-top:.35rem}
.hours-caption{margin-top:1rem;font-size:.86rem;color:var(--sumi-70)}

/* ============ ボタン ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  padding:.9rem 1.9rem;
  font-size:.92rem;letter-spacing:.14em;
  text-decoration:none;
  border:1px solid var(--sumi);
  background:var(--sumi);color:var(--kinari);
  transition:background-color .25s ease,color .25s ease,border-color .25s ease;
}
.btn:hover{background:var(--shu);border-color:var(--shu);color:var(--white)}
.btn--ghost{background:transparent;color:var(--sumi)}
.btn--ghost:hover{background:var(--sumi);color:var(--kinari);border-color:var(--sumi)}
.btn--light{background:var(--white);border-color:var(--white);color:var(--sumi)}
.btn--light:hover{background:transparent;color:var(--white);border-color:var(--white)}
.btn-row{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:1.8rem}

/* ============ 地図 ============ */
.map{
  position:relative;width:100%;aspect-ratio:16/10;
  border:1px solid rgba(43,38,32,.2);background:var(--kinari-2);
}
.map iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
@media (max-width:640px){.map{aspect-ratio:4/5}}

/* ============ フッター ============ */
.site-footer{
  background:var(--sumi);color:rgba(252,250,245,.82);
  padding:clamp(2.8rem,6vw,4rem) 0 1.6rem;
}
.footer__grid{display:grid;gap:2rem;grid-template-columns:1fr}
@media (min-width:760px){.footer__grid{grid-template-columns:1.2fr 1fr 1fr}}
.footer__brand{font-family:var(--mincho);font-size:1.3rem;letter-spacing:.2em;color:var(--white)}
.footer__brand small{display:block;font-family:var(--latin);font-size:.66rem;letter-spacing:.26em;color:var(--kinako);margin-top:.4rem}
.footer__addr{margin-top:1.2rem;font-size:.88rem;line-height:2;font-style:normal}
.footer__addr a{color:var(--kinako);text-decoration:none}
.footer__addr a:hover{text-decoration:underline}
.footer__title{font-size:.74rem;letter-spacing:.22em;color:var(--kinako);margin-bottom:.9rem}
.footer__links li+li{margin-top:.6rem}
.footer__links a{font-size:.88rem;text-decoration:none;opacity:.86}
.footer__links a:hover{opacity:1;color:var(--kinako)}
.footer__bottom{
  margin-top:2.6rem;padding-top:1.2rem;
  border-top:1px solid rgba(252,250,245,.16);
  display:flex;flex-wrap:wrap;gap:.6rem;justify-content:space-between;
  font-size:.74rem;letter-spacing:.06em;color:rgba(252,250,245,.55);
}

/* ============ 下層ページの見出し ============ */
.page-head{
  padding:calc(var(--header-h) + clamp(3rem,8vw,5rem)) 0 clamp(2rem,5vw,3.2rem);
  background:var(--kinari-2);
  border-bottom:1px solid rgba(43,38,32,.1);
}
.page-head__title{
  font-family:var(--mincho);font-weight:700;
  font-size:clamp(1.8rem,1.2rem + 2.4vw,2.6rem);
  letter-spacing:.12em;
}
.page-head__en{
  display:block;font-family:var(--latin);font-style:italic;
  font-size:.82rem;letter-spacing:.2em;color:var(--shu);margin-bottom:.4rem;
}
.page-head .lead{margin-top:1rem}
.breadcrumb{font-size:.76rem;letter-spacing:.08em;color:var(--sumi-45);margin-bottom:1.2rem}
.breadcrumb a{text-decoration:none}
.breadcrumb a:hover{color:var(--shu)}
.breadcrumb li{display:inline}
.breadcrumb li+li::before{content:"／";margin:0 .5em;color:var(--kinako-dark)}

/* ============ 注記 ============ */
.note{
  background:var(--kinari);
  border:1px dashed var(--kinako-dark);
  padding:1.1rem 1.3rem;
  font-size:.86rem;color:var(--sumi-70);line-height:1.9;
}

/* ============ 出現アニメーション ============ */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
  .noren{position:absolute;transform:translateX(-50%)}
}

/* scroll-driven animation 非対応ブラウザでは暖簾を静止させる（JS が .noren--static を付与） */
.noren--static{animation:none}