/* =========================================================
   アトリエ スタイル 恵比寿 — styling based on DESIGN.md (mina perhonen)
   全面・游明朝 / 白い紙の背景 / 墨色 #212121 / 完全フラット（影・角丸なし）/
   和欧混植（游明朝 × EB Garamond / Helvetica）/ ボタンは控えめ
   ========================================================= */

:root{
  --paper:#ffffff;
  --paper-soft:#faf9f6;
  --ink:#212121;
  --ink-soft:#5e5e5e;
  --mute:#999999;
  --line:#e7e5df;
  --hair:#efedea;
  --alert:#ff0000;
  --photo:#2a2925;          /* 写真placeholder：暗め1色 */
  --sew:#5b7a7d;            /* ソーイング */
  --remake:#9c7257;         /* リメイク */
  --emb:#6f7256;            /* 刺繍 */
  --knit:#a87f8b;           /* 編み物（かぎ針） */
  --jp:"游明朝","Yu Mincho",YuMincho,"Noto Serif JP",serif;
  --garamond:"EB Garamond","adobe-garamond-pro","游明朝",serif;
  --label:"Helvetica Neue",Arial,"游ゴシック体",sans-serif;
  --maxw:1120px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--jp);font-weight:400;line-height:1.8;letter-spacing:normal;
  -webkit-font-smoothing:antialiased;word-wrap:break-word;overflow-wrap:break-word;
}
h1,h2,h3,h4{font-family:var(--jp);font-weight:500;line-height:1.3;margin:0;}
a{color:inherit;text-decoration:none;}
.center{text-align:center;}
.eyebrow{font-family:var(--label);font-size:.7rem;letter-spacing:.18em;text-transform:uppercase;color:var(--mute);margin:0 0 1.1rem;}
.eyebrow.center{display:block;}
.new-badge{display:inline-block;font-family:var(--label);font-size:.62rem;letter-spacing:.12em;color:var(--ink);border:1px solid var(--ink);padding:.05rem .5rem;margin-right:.6rem;vertical-align:middle;}

/* ===== Links / Buttons（フラット長方形 or テキストリンク） ===== */
.btn{
  display:inline-block;background:var(--ink);color:var(--paper);
  padding:13px 30px;border-radius:0;font-family:var(--jp);font-size:.92rem;font-weight:500;
  border:1px solid var(--ink);transition:.2s;cursor:pointer;letter-spacing:.04em;
}
.btn:hover{background:#000;}
.btn-ghost{
  display:inline-block;background:transparent;color:var(--ink);border:none;border-bottom:1px solid var(--ink);
  padding:6px 2px;border-radius:0;font-family:var(--jp);font-size:.95rem;cursor:pointer;transition:.2s;
}
.btn-ghost:hover{color:var(--mute);border-color:var(--mute);}
.btn-sm{padding:9px 18px;font-size:.82rem;}

/* ===== Topbar ===== */
.topbar{background:var(--paper);color:var(--ink);text-align:center;font-family:var(--jp);font-size:.82rem;letter-spacing:.08em;padding:.7rem 1rem;border-bottom:1px solid var(--line);}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:1.5rem;
  padding:1.1rem 2rem;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;flex-direction:column;line-height:1.25;margin-right:auto;}
.brand-mark{font-family:var(--garamond);font-style:italic;color:var(--mute);font-size:.82rem;letter-spacing:.06em;}
.brand-name{font-family:var(--jp);font-size:1.05rem;letter-spacing:.06em;}
.nav{display:flex;gap:1.6rem;font-family:var(--jp);font-size:.86rem;}
.nav a{color:var(--ink);transition:.2s;letter-spacing:.06em;}
.nav a:hover{color:var(--mute);}
.header-cta{flex-shrink:0;}

/* バンドはminaでは通常セクション扱い（全幅背景にしない） */

/* ===== Hero ===== */
.hero{display:grid;grid-template-columns:1.05fr .95fr;min-height:80vh;align-items:center;}
.hero-copy{padding:5rem clamp(1.5rem,5vw,6rem);}
.hero h1{font-family:var(--jp);font-weight:500;font-size:clamp(2rem,4vw,3rem);margin:.7rem 0 1.8rem;line-height:1.35;}
.lead{color:var(--ink-soft);font-size:1rem;margin-bottom:2.4rem;line-height:1.9;}
.hero-actions{display:flex;gap:1.8rem;align-items:center;flex-wrap:wrap;}
.hero-image{align-self:stretch;background:var(--photo);position:relative;}
.hero-image::after{content:"針を持つ、静かな時間";position:absolute;inset:auto 0 1.6rem 0;text-align:center;font-family:var(--jp);color:rgba(255,255,255,.92);letter-spacing:.2em;font-size:.85rem;}

/* ===== Sections ===== */
.section{max-width:var(--maxw);margin:0 auto;padding:6rem clamp(1.5rem,5vw,2rem);}
.section h2{font-family:var(--jp);font-weight:500;font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:1.4rem;line-height:1.4;}
.concept-lead{max-width:680px;margin:0 auto 4rem;color:var(--ink-soft);line-height:1.95;}

.pillars{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:3rem 2.5rem;padding:0;margin:0;}
.pillars li{padding:0;}
.pillar-no{font-family:var(--garamond);font-style:italic;color:var(--mute);font-size:1.2rem;}
.pillars h3{font-family:var(--jp);font-size:1.15rem;margin:.5rem 0 .8rem;}
.pillars p{margin:0;color:var(--ink-soft);font-size:.92rem;}

/* ===== Featured（余白で区切る・枠なし） ===== */
.featured-sec{padding-top:4.5rem;}
.featured{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;}
.feat-card{background:transparent;transition:.2s;}
.feat-card:hover{opacity:.85;}
.feat-img{height:200px;background:var(--photo);position:relative;}
.feat-img::after{content:"写真";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.45);letter-spacing:.14em;font-size:.8rem;}
.feat-body{padding:1rem 0 0;}
.feat-body .cat{font-family:var(--label);font-size:.66rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mute);}
.feat-body h3{font-family:var(--jp);font-weight:500;font-size:1.05rem;margin:.4rem 0 .5rem;}
.feat-body p{margin:0;color:var(--ink-soft);font-size:.86rem;}

/* ===== Courses（枠なし・ハイライン区切り） ===== */
.course-block{margin-bottom:3.5rem;}
.course-head{display:flex;align-items:baseline;gap:1rem;padding:0 0 1rem;border-bottom:1px solid var(--ink);margin-bottom:0;}
.course-head h3{font-family:var(--jp);font-weight:500;font-size:1.3rem;display:flex;align-items:center;gap:.6rem;}
.course-head p{margin:0;color:var(--ink-soft);font-size:.86rem;}
.swatch{width:12px;height:12px;display:inline-block;}
.swatch-emb{background:var(--emb);}
.swatch-sew{background:var(--sew);}
.swatch-remake{background:var(--remake);}
.tag-byo{display:inline-block;font-family:var(--label);font-size:.64rem;letter-spacing:.1em;color:#fff;background:var(--remake);padding:.15rem .6rem;margin-left:.5rem;vertical-align:middle;}
.course-items{display:grid;grid-template-columns:repeat(2,1fr);gap:0;}
.course-items.four{grid-template-columns:repeat(4,1fr);}
.course-item{background:transparent;padding:1.6rem 1.8rem 1.6rem 0;border-bottom:1px solid var(--hair);}
.course-item h4{font-family:var(--jp);font-weight:500;font-size:1.05rem;margin-bottom:.5rem;}
.course-item p{margin:0;color:var(--ink-soft);font-size:.86rem;}

/* ===== Calendar ===== */
.reserve-lead{color:var(--ink-soft);max-width:640px;margin:0 auto 2.6rem;}
.cal-toolbar{display:flex;align-items:center;justify-content:center;gap:1.8rem;margin-bottom:1.6rem;}
.cal-toolbar h3{font-family:var(--garamond);font-size:1.5rem;min-width:9rem;text-align:center;letter-spacing:.02em;}
.cal-nav{width:42px;height:42px;border-radius:0;border:1px solid var(--line);background:transparent;font-size:1.1rem;cursor:pointer;color:var(--ink);transition:.2s;}
.cal-nav:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.cal-nav:disabled{opacity:.3;cursor:default;}
.legend{display:flex;gap:1.4rem;justify-content:center;margin-bottom:1.6rem;font-size:.8rem;color:var(--ink-soft);flex-wrap:wrap;}
.dot{width:9px;height:9px;display:inline-block;margin-right:.4rem;vertical-align:middle;}
.dot-sew{background:var(--sew);}
.dot-remake{background:var(--remake);}
.dot-emb{background:var(--emb);}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.cal-dow{text-align:center;font-family:var(--label);font-size:.72rem;color:var(--mute);padding:.6rem 0;letter-spacing:.1em;background:var(--paper);}
.cal-dow.sun{color:#b0746c;}
.cal-dow.sat{color:#6b7f92;}
.cal-cell{background:var(--paper);min-height:108px;padding:.45rem;display:flex;flex-direction:column;gap:.25rem;}
.cal-cell.empty{background:var(--paper-soft);}
.cal-cell.past{opacity:.4;}
.cal-date{font-family:var(--garamond);font-size:.85rem;color:var(--mute);}
.lesson{border:none;text-align:left;border-radius:0;padding:.3rem .42rem;cursor:pointer;font-family:var(--jp);font-size:.7rem;line-height:1.4;color:#fff;transition:.15s;}
.lesson:hover{filter:brightness(1.08);}
.lesson.full{background:#dcdad3 !important;color:#8a857b;cursor:not-allowed;}
.lesson .l-time{font-family:var(--label);font-weight:500;display:block;letter-spacing:.04em;}
.lesson.sew{background:var(--sew);}
.lesson.remake{background:var(--remake);}
.lesson.emb{background:var(--emb);}
.cal-note{color:var(--mute);font-size:.78rem;margin-top:1.6rem;}

/* ===== Online teaser ===== */
.online{text-align:center;}
.soon{display:inline-block;font-family:var(--label);border:1px solid var(--ink);color:var(--ink);padding:.45rem 1.6rem;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;}

/* ===== Shop ===== */
.shop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem;}
.shop-card{background:transparent;text-align:center;}
.shop-img{height:200px;background:var(--photo);display:flex;align-items:center;justify-content:center;font-family:var(--jp);color:rgba(255,255,255,.6);letter-spacing:.16em;}
.shop-img::after{content:attr(data-label);}
.shop-card h4{font-family:var(--jp);font-weight:500;margin:1.1rem 0 .4rem;font-size:1.05rem;}
.shop-card p{margin:0;color:var(--ink-soft);font-size:.86rem;}

/* ===== Newsletter ===== */
.newsletter{background:var(--paper-soft);color:var(--ink);text-align:center;padding:5rem 1.5rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news-inner{max-width:560px;margin:0 auto;}
.newsletter h2{font-family:var(--jp);font-weight:500;font-size:1.5rem;margin-bottom:.8rem;}
.newsletter p{color:var(--ink-soft);font-size:.9rem;margin-bottom:2rem;line-height:1.9;}
.news-form{display:flex;gap:1rem;justify-content:center;align-items:flex-end;flex-wrap:wrap;}
.news-form input{padding:.6rem .2rem;border:none;border-bottom:1px solid var(--ink);border-radius:0;min-width:280px;font-family:var(--jp);background:transparent;color:var(--ink);font-size:.95rem;}
.news-form input:focus{outline:none;border-color:var(--mute);}

/* ===== Instagram ===== */
.insta-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
.insta-cell{aspect-ratio:1/1;background:var(--photo);display:flex;align-items:center;justify-content:center;font-family:var(--jp);color:rgba(255,255,255,.55);letter-spacing:.14em;font-size:.85rem;}
.insta-cell::after{content:attr(data-label);}
.insta h2{font-family:var(--garamond);letter-spacing:.02em;}

/* ===== FAQ ===== */
.faq-center{max-width:680px;margin:0 auto;}
.faq details{border-bottom:1px solid var(--line);padding:1.1rem 0;}
.faq summary{cursor:pointer;font-family:var(--jp);font-weight:500;font-size:1rem;}
.faq p{color:var(--ink-soft);font-size:.9rem;margin:.8rem 0 0;line-height:1.9;}

/* ===== Footer ===== */
.site-footer{background:var(--paper);color:var(--ink);padding:4.5rem 2rem 3rem;text-align:center;border-top:1px solid var(--line);}
.foot-cols{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2.5rem;text-align:left;padding:0 1rem;}
.foot-col .brand-name{font-family:var(--jp);font-size:1.15rem;color:var(--ink);}
.foot-col .foot-note{color:var(--mute);font-size:.85rem;margin:.4rem 0 0;}
.foot-col h4{font-family:var(--label);font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:.9rem;color:var(--mute);font-weight:500;}
.foot-col p{margin:.35rem 0;color:var(--ink-soft);font-size:.84rem;line-height:1.7;}
.foot-col a{color:var(--ink-soft);}
.foot-col a:hover{color:var(--ink);}
.to-top{display:inline-block;margin-top:3rem;color:var(--mute);font-family:var(--label);font-size:.74rem;letter-spacing:.1em;}

/* ===== Modal ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(33,33,33,.5);display:flex;align-items:center;justify-content:center;z-index:60;padding:1.2rem;}
.modal-overlay[hidden]{display:none;}
.modal{background:var(--paper);border-radius:0;max-width:480px;width:100%;max-height:90vh;overflow:auto;position:relative;padding:2.6rem;border:1px solid var(--ink);}
.modal-close{position:absolute;top:1rem;right:1.1rem;border:none;background:none;font-size:1.6rem;cursor:pointer;color:var(--mute);line-height:1;}
.m-badge{display:inline-block;font-family:var(--label);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:#fff;padding:.22rem .7rem;margin-bottom:1rem;}
.m-badge.sew{background:var(--sew);}.m-badge.remake{background:var(--remake);}.m-badge.emb{background:var(--emb);}
.swatch-knit{background:var(--knit);}
.dot-knit{background:var(--knit);}
.lesson.knit{background:var(--knit);}
.m-badge.knit{background:var(--knit);}
.modal h3{font-family:var(--jp);font-weight:500;font-size:1.4rem;margin-bottom:.4rem;}
.m-meta{color:var(--ink-soft);font-size:.9rem;margin:.2rem 0;}
.m-price{font-family:var(--garamond);font-size:1.6rem;margin:1rem 0 .2rem;}
.m-cp{background:var(--paper-soft);border:1px solid var(--line);padding:.9rem 1rem;font-size:.85rem;color:var(--ink-soft);margin:1rem 0;line-height:1.8;}
.m-form{display:flex;flex-direction:column;gap:.9rem;margin-top:1.4rem;}
.m-form label{font-size:.82rem;color:var(--ink-soft);display:flex;flex-direction:column;gap:.35rem;}
.m-form input,.m-form select{padding:.6rem .2rem;border:none;border-bottom:1px solid var(--ink);border-radius:0;font-family:var(--jp);font-size:.95rem;background:transparent;color:var(--ink);}
.m-form input:focus,.m-form select:focus{outline:none;border-color:var(--mute);}
.m-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem;}
.m-steps{display:flex;gap:1.2rem;margin-bottom:1.6rem;font-family:var(--label);font-size:.7rem;letter-spacing:.06em;color:var(--mute);text-transform:uppercase;}
.m-steps span{flex:1;text-align:center;padding-bottom:.5rem;border-bottom:1px solid var(--line);}
.m-steps span.active{color:var(--ink);border-color:var(--ink);}
.pay-card{background:transparent;border:1px solid var(--line);padding:1.1rem;margin-top:.6rem;}
.pay-demo{font-size:.78rem;color:var(--mute);text-align:center;margin:.6rem 0 0;}
.done{text-align:center;padding:1rem 0;}
.done .check{font-family:var(--garamond);font-size:2.6rem;color:var(--ink);}
.muted{color:var(--mute);font-size:.85rem;}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .featured{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:860px){
  .nav{display:none;}
  .hero{grid-template-columns:1fr;}
  .hero-image{min-height:240px;}
  .pillars,.shop-grid,.featured{grid-template-columns:1fr;}
  .course-items,.course-items.four{grid-template-columns:1fr;}
  .insta-grid{grid-template-columns:repeat(2,1fr);}
  .foot-cols{grid-template-columns:1fr 1fr;}
  .cal-cell{min-height:78px;}
  .lesson{font-size:.6rem;}
}