/* ちるソ ブランドページ */
:root{
  --bg:#FBF6F0;
  --bg2:#F4EADF;
  --ink:#3E2F27;
  --muted:#85705F;
  --line:#E5D6C6;
  --terra:#C8643B;
  --orange:#E8875A;
  --peach:#F6D3BA;
  --brown:#5B4033;
  --white:#fff;
  --ff-min:"Zen Old Mincho",serif;
  --ff-go:"Zen Kaku Gothic New",system-ui,sans-serif;
  --ff-en:"Cormorant Garamond",serif;
  --hd-h:64px;
  --acc:var(--terra);
  --acc-bg:#FCEDE4;
}
.c-nuku{--acc:#C9705A;--acc-bg:#FBEDE6}
.c-oyasumi{--acc:#5E6B98;--acc-bg:#ECEEF6}
.c-poka{--acc:#8E3340;--acc-bg:#F6E8E6}
.c-rise{--acc:#7E7096;--acc-bg:#F0EDF4}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--hd-h) + 8px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--ff-go);font-size:15px;line-height:1.9;letter-spacing:.04em;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:700}
p{margin:0}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.wrap--narrow{max-width:820px}
.pc{display:inline}
.sp{display:none}

/* ---------- ボタン ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;min-height:48px;padding:0 28px;border-radius:999px;text-decoration:none;font-weight:700;letter-spacing:.08em;transition:transform .2s,box-shadow .2s,background .2s}
.btn::after{content:"";width:7px;height:7px;border-top:2px solid currentColor;border-right:2px solid currentColor;transform:rotate(45deg);margin-left:4px}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--terra);color:#fff;box-shadow:0 6px 18px rgba(200,100,59,.28)}
.btn--buy{background:var(--acc);color:#fff;box-shadow:0 6px 16px rgba(62,47,39,.14)}

/* ---------- ヘッダー ---------- */
.hd{position:fixed;inset:0 0 auto;height:var(--hd-h);z-index:50;background:rgba(251,246,240,.92);backdrop-filter:blur(8px);border-bottom:1px solid transparent;transition:border-color .3s}
.hd.is-scrolled{border-color:var(--line)}
.hd-in{max-width:1280px;height:100%;margin:0 auto;padding:0 24px;display:flex;align-items:center;gap:24px}
.hd-logo{display:flex;align-items:baseline;gap:10px;text-decoration:none;flex-shrink:0}
.hd-logo-ja{font-family:var(--ff-min);font-size:24px;color:var(--terra);letter-spacing:.12em}
.hd-logo-en{font-family:var(--ff-en);font-style:italic;font-size:15px;color:var(--muted)}
.hd-nav{display:flex;gap:20px;margin-left:auto;font-size:13px}
.hd-nav a{text-decoration:none;white-space:nowrap;position:relative}
.hd-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--terra);transform:scaleX(0);transition:transform .25s}
.hd-nav a:hover::after{transform:scaleX(1)}
.hd-cta{flex-shrink:0;padding:8px 18px;border-radius:999px;background:var(--terra);color:#fff;font-size:13px;font-weight:700;text-decoration:none}
.hd-menu{display:none}

/* ---------- KV ---------- */
.kv{position:relative;margin-top:var(--hd-h);min-height:clamp(480px,calc(100vh - var(--hd-h)),760px);display:flex;align-items:center;overflow:hidden;background:var(--bg2)}
.kv-img{position:absolute;inset:0}
.kv-img img{width:100%;height:100%;object-fit:cover;object-position:70% 65%}
.kv-copy{position:relative;z-index:1;margin-left:max(24px,calc((100vw - 1120px)/2 + 24px));max-width:560px;padding:40px 0}
.kv-catch{font-family:var(--ff-min);font-size:clamp(20px,2.2vw,28px);line-height:1.6;letter-spacing:.14em;color:var(--brown);margin-top:18px}
.kv-catch span{display:inline-block;white-space:nowrap;margin-right:.6em}
.kv-title-en{display:block;font-family:var(--ff-en);font-style:italic;font-weight:500;font-size:.24em;letter-spacing:.16em;color:var(--muted);margin-top:4px}
.kv-collab{font-family:var(--ff-en);font-size:18px;letter-spacing:.2em;color:var(--muted)}
.kv-collab span{margin:0 .3em}
.kv-title{font-family:var(--ff-min);font-size:clamp(64px,8vw,116px);line-height:1.1;letter-spacing:.14em;margin:10px 0 22px;color:var(--terra)}
.kv-lead{font-size:clamp(15px,1.4vw,18px);line-height:2;margin-bottom:32px}
.kv-lead strong{color:var(--terra);font-weight:700}

/* ---------- セクション共通 ---------- */
.sec{padding:110px 0}
.sec-en{font-family:var(--ff-en);font-style:italic;font-size:20px;color:var(--terra);text-align:center;letter-spacing:.12em}
.sec-ttl{font-family:var(--ff-min);font-size:clamp(24px,3vw,34px);text-align:center;letter-spacing:.12em;margin:4px 0 20px;color:var(--brown);text-wrap:balance}
.sec-lead{text-align:center;color:var(--muted);margin-bottom:48px}
.note{font-size:12px;color:var(--muted);margin-top:8px}

/* ---------- About ---------- */
.about-lead{text-align:center;line-height:2.3;margin:12px auto 56px;max-width:860px}
.mech{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center;background:var(--white);border-radius:24px;padding:40px;box-shadow:0 10px 30px rgba(91,64,51,.06)}
.mech-fig{margin:0;border-radius:16px;overflow:hidden}
.mech-steps{list-style:none;margin:0;padding:0;display:grid;gap:22px}
.mech-steps li{display:grid;grid-template-columns:48px 1fr;column-gap:14px}
.mech-no{grid-row:span 2;width:48px;height:48px;border-radius:50%;background:var(--peach);color:var(--terra);font-family:var(--ff-en);font-size:20px;display:grid;place-items:center}
.mech-steps b{font-family:var(--ff-min);font-size:18px;color:var(--brown)}
.mech-steps span:last-child{font-size:14px;color:var(--muted);line-height:1.8}
.feat{list-style:none;margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat-item{background:var(--acc-bg);border-radius:20px;padding:30px 26px;text-align:center}
.feat-no{font-family:var(--ff-en);font-style:italic;color:var(--terra);letter-spacing:.1em}
.feat-item h3{font-family:var(--ff-min);font-size:20px;margin:6px 0 10px;color:var(--brown)}
.feat-item p{font-size:14px;text-align:left}

/* ---------- シーンで選ぶ ---------- */
.scene{background:var(--bg2)}
.scene-map{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
.scene-axis{display:none}
.scene-card{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--white);border-radius:24px;padding:0 0 26px;overflow:hidden;text-decoration:none;box-shadow:0 8px 24px rgba(91,64,51,.07);transition:transform .25s,box-shadow .25s;border-top:5px solid var(--acc)}
.scene-card:hover{transform:translateY(-4px);box-shadow:0 14px 34px rgba(91,64,51,.12)}
.scene-card img{width:100%;aspect-ratio:1/1;object-fit:cover;margin-bottom:18px;background:var(--acc-bg)}
.scene-tag{position:absolute;top:14px;left:14px;display:flex;gap:4px}
.scene-tag i{font-style:normal;width:30px;height:30px;border-radius:50%;background:var(--acc);color:#fff;font-size:13px;display:grid;place-items:center;font-weight:700}
.scene-copy{font-size:13px;color:var(--muted)}
.scene-name{font-family:var(--ff-min);font-size:28px;color:var(--acc);letter-spacing:.1em;line-height:1.5}
.scene-name small{font-size:14px;margin-left:.4em}
.scene-sub{font-size:13px}
.scene-card::after{content:"詳しく見る";margin-top:12px;font-size:12px;color:var(--acc);border-bottom:1px solid var(--acc);letter-spacing:.1em}

/* ---------- 商品詳細 ---------- */
.item{padding:110px 0;background:linear-gradient(180deg,var(--acc-bg) 0,var(--bg) 70%)}
.item-head{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.item--rev .item-main{order:2}
.item-main{margin:0;border-radius:28px;overflow:hidden;box-shadow:0 14px 40px rgba(91,64,51,.12)}
.item-scene{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--acc);font-weight:700}
.item-scene span{width:28px;height:28px;border-radius:50%;background:var(--acc);color:#fff;font-size:12px;display:grid;place-items:center}
.item-scene span+span{margin-right:6px}
.item-name{font-family:var(--ff-min);font-size:clamp(40px,5vw,60px);color:var(--acc);letter-spacing:.12em;line-height:1.4;margin:8px 0 4px}
.item-name small{font-size:.36em;margin-left:.5em;letter-spacing:.1em}
.item-catch{font-family:var(--ff-min);font-size:clamp(20px,2.2vw,26px);line-height:1.7;color:var(--brown);margin-bottom:18px}
.item-text{font-size:15px}
.item-spec{list-style:none;margin:18px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.item-spec li{font-size:12px;padding:3px 12px;border:1px solid var(--acc);border-radius:999px;color:var(--acc);background:#fff}
.item-buy{display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line)}
.chips{list-style:none;margin:0;padding:0;display:flex;gap:12px;flex-basis:100%}
.chips li{display:flex;align-items:center;gap:6px;font-size:12px}
.chips li::before{content:"";width:18px;height:18px;border-radius:50%;background:var(--c);box-shadow:inset 0 0 0 1px rgba(0,0,0,.08)}
.price{font-family:var(--ff-en);font-size:30px;font-weight:500;letter-spacing:.04em;line-height:1}
.price small{font-family:var(--ff-go);font-size:12px;margin-left:4px}

.points{list-style:none;margin:72px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.point{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 6px 20px rgba(91,64,51,.06)}
.point figure{margin:0}
.point img{width:100%;aspect-ratio:1/1;object-fit:cover}
.point div{padding:22px 22px 26px}
.point-no{font-family:var(--ff-en);font-style:italic;color:var(--acc);font-size:17px;letter-spacing:.1em}
.point h3{font-family:var(--ff-min);font-size:19px;line-height:1.6;margin:4px 0 10px;color:var(--brown)}
.point p{font-size:14px}
.thermo{max-width:560px;margin:56px auto 0;text-align:center}
.thermo img{border-radius:18px;box-shadow:0 6px 20px rgba(91,64,51,.08)}
.thermo figcaption{font-size:12px;color:var(--muted);margin-top:10px}

/* ---------- 比較表 ---------- */
.compare{background:var(--bg2)}
.cmp-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:20px;background:#fff;box-shadow:0 8px 24px rgba(91,64,51,.07)}
.cmp{width:100%;min-width:720px;border-collapse:collapse;table-layout:fixed;font-size:14px;text-align:center}
.cmp th,.cmp td{padding:14px 10px;border-bottom:1px solid var(--line)}
.cmp tbody tr:last-child>*{border-bottom:0}
.cmp thead th{vertical-align:bottom;background:var(--acc-bg);color:var(--acc);font-family:var(--ff-min);font-size:18px;border-bottom:3px solid var(--acc)}
.cmp thead th:first-child{background:#fff;border-bottom-color:var(--line)}
.cmp thead a{text-decoration:none;display:block}
.cmp thead img{width:96px;height:96px;object-fit:cover;border-radius:50%;margin:0 auto 8px}
.cmp thead small{font-size:12px}
.cmp tbody th{text-align:left;font-weight:500;white-space:nowrap;background:var(--bg);color:var(--muted);font-size:13px;width:140px}
.lv{display:inline-block;padding:2px 12px;border-radius:999px;font-size:12px;background:var(--peach);color:var(--terra)}
.lv2{background:#F9E3D2}.lv1{background:#FBF0E7}

/* ---------- 購入 ---------- */
.prod{list-style:none;margin:40px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.prod-item a{display:flex;flex-direction:column;align-items:center;text-align:center;height:100%;background:#fff;border-radius:20px;overflow:hidden;padding-bottom:22px;text-decoration:none;box-shadow:0 6px 20px rgba(91,64,51,.07);transition:transform .25s}
.prod-item a:hover{transform:translateY(-4px)}
.prod-item img{width:100%;aspect-ratio:1/1;object-fit:cover;margin-bottom:14px}
.prod-scene{font-size:12px;color:#fff;background:var(--acc);border-radius:999px;padding:1px 12px}
.prod-item b{font-family:var(--ff-min);font-size:24px;color:var(--acc);letter-spacing:.1em;margin-top:6px}
.prod-item b small{font-size:13px}
.prod-desc{font-size:12px;color:var(--muted);padding:0 12px;margin-bottom:10px;min-height:3.6em}
.prod-item .price{margin-bottom:16px;font-size:26px}
.prod-item .btn{margin-top:auto;min-height:42px;padding:0 22px;font-size:13px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;margin-top:32px}
.faq details{background:#fff;border-radius:16px;box-shadow:0 4px 14px rgba(91,64,51,.05)}
.faq summary{list-style:none;cursor:pointer;padding:20px 56px 20px 60px;position:relative;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:22px;top:16px;font-family:var(--ff-en);font-size:24px;color:var(--terra)}
.faq summary::after{content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;border-right:2px solid var(--terra);border-bottom:2px solid var(--terra);transform:translateY(-70%) rotate(45deg);transition:transform .25s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-a{padding:0 28px 22px 60px;position:relative;font-size:14px}
.faq-a::before{content:"A";position:absolute;left:23px;top:-6px;font-family:var(--ff-en);font-size:24px;color:var(--muted)}

/* ---------- フッター ---------- */
.ft{background:var(--brown);color:#F4EADF;text-align:center;padding:56px 0 110px}
.ft-logo{font-family:var(--ff-min);font-size:30px;letter-spacing:.14em}
.ft-logo span{font-family:var(--ff-en);font-style:italic;font-size:16px;margin-left:12px;opacity:.7}
.ft-collab{font-family:var(--ff-en);letter-spacing:.2em;opacity:.8;margin:4px 0 20px}
.ft-shop{font-size:13px}
.ft-copy{font-size:11px;opacity:.6;margin-top:24px}

/* ---------- 追従ボタン ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:40;width:104px;height:104px;border-radius:50%;background:var(--terra);color:#fff;text-decoration:none;display:grid;place-items:center;text-align:center;font-size:13px;font-weight:700;line-height:1.5;box-shadow:0 10px 24px rgba(200,100,59,.35);opacity:0;pointer-events:none;transform:translateY(16px);transition:opacity .3s,transform .3s}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:none}
.float-cta::before{content:"";position:absolute;inset:5px;border-radius:50%;border:1px dashed rgba(255,255,255,.6)}

/* ---------- フェードイン ---------- */
.js .fade{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.js .fade.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .fade{opacity:1;transform:none;transition:none}}

/* ================= タブレット ================= */
@media (max-width:1080px){
  .hd-nav{gap:14px;font-size:12px}
  .prod{grid-template-columns:repeat(2,1fr)}
}

/* ================= SP ================= */
@media (max-width:860px){
  :root{--hd-h:56px}
  body{font-size:14px}
  .wrap{padding:0 16px}
  .pc{display:none}
  .sp{display:block}
  .hd-in{padding:0 16px;gap:12px}
  .hd-logo-ja{font-size:21px}
  .hd-cta{margin-left:auto;padding:6px 14px;font-size:12px}
  .hd-menu{display:block;width:40px;height:40px;border:0;background:none;position:relative;cursor:pointer;padding:0}
  .hd-menu span{position:absolute;left:10px;right:10px;height:2px;background:var(--brown);transition:transform .3s,opacity .3s}
  .hd-menu span:nth-child(1){top:13px}.hd-menu span:nth-child(2){top:19px}.hd-menu span:nth-child(3){top:25px}
  .hd-menu[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .hd-menu[aria-expanded="true"] span:nth-child(2){opacity:0}
  .hd-menu[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  .hd-nav{position:fixed;top:var(--hd-h);left:0;right:0;flex-direction:column;gap:0;margin:0;background:var(--bg);border-bottom:1px solid var(--line);font-size:15px;max-height:0;overflow:hidden;transition:max-height .35s ease}
  .hd-nav.is-open{max-height:calc(100vh - var(--hd-h));overflow-y:auto}
  .hd-nav a{padding:14px 20px;border-top:1px solid var(--line)}
  .hd-nav a::after{display:none}

  .kv{flex-direction:column;align-items:stretch;min-height:0}
  .kv-img{position:relative;aspect-ratio:4/3}
  .kv-img img{object-position:78% 50%}
  .kv-copy{margin:0;padding:28px 16px 44px;max-width:none;text-align:center}
  .kv-title{margin:6px 0 16px}
  .kv-catch span{margin:0 .3em}
  .kv-collab{font-size:15px}

  .sec,.item{padding:72px 0}
  .sec-ttl{font-size:21px;letter-spacing:.06em}
  .about-lead{text-align:left;line-height:2.1;margin-bottom:36px}
  .mech{grid-template-columns:1fr;gap:28px;padding:20px}
  .feat{grid-template-columns:1fr;gap:14px;margin-top:36px}
  .feat-item{padding:24px 20px}

  .scene-map{gap:12px}
  .scene-card{padding-bottom:18px;border-radius:18px}
  .scene-card img{margin-bottom:10px}
  .scene-tag{top:8px;left:8px}
  .scene-tag i{width:24px;height:24px;font-size:11px}
  .scene-name{font-size:21px}
  .scene-name small{display:block;font-size:11px;margin:0;line-height:1.2}
  .scene-sub,.scene-copy{font-size:11px;padding:0 6px;line-height:1.6}

  .item-head{grid-template-columns:1fr;gap:28px}
  .item--rev .item-main{order:0}
  .item-main{border-radius:20px}
  .points{grid-template-columns:1fr;gap:18px;margin-top:44px}
  .point{display:grid;grid-template-columns:120px 1fr;border-radius:16px}
  .point img{height:100%}
  .point div{padding:14px 16px 16px}
  .point h3{font-size:16px}
  .point h3 br{display:none}
  .point p{font-size:13px;line-height:1.75}
  .thermo{margin-top:36px}

  .cmp{font-size:13px}
  .cmp thead img{width:64px;height:64px}
  .cmp thead th{font-size:15px}
  .cmp tbody th{width:auto;position:sticky;left:0;z-index:1}

  .prod{gap:12px}
  .prod-item b{font-size:19px;line-height:1.4}
  .prod-item b small{display:block;font-size:11px}
  .prod-desc{font-size:11px}
  .prod-item .price{font-size:22px}
  .prod-item .btn{padding:0 14px;font-size:12px}

  .faq summary{padding:16px 44px 16px 48px;font-size:14px}
  .faq summary::before{left:16px;top:12px}
  .faq-a{padding:0 18px 18px 48px;font-size:13px}
  .faq-a::before{left:17px}

  .float-cta{right:auto;left:16px;right:16px;bottom:12px;width:auto;height:52px;border-radius:999px;font-size:15px}
  .float-cta br{display:none}
  .float-cta::before{inset:4px;border-radius:999px}
}