/* =========================================================
   螺鈿 DIY ART｜MOON JAR KIT 事前登録LP
   公開中LP（coruscating-ganache-7aa53f.netlify.app）のトーンに合わせた配色・書体
   ========================================================= */
:root{
  --bg:#F5F2ED;          /* ベース（生成り） */
  --bg-2:#EDE8E0;        /* 淡いベージュ */
  --bg-3:#DBD4C9;        /* 画像下地 */
  --dark:#1E1C1A;        /* 暗色セクション・ボタン */
  --ink:#1E1C1A;         /* 見出し・本文の濃色 */
  --ink-soft:#4A4540;    /* 本文 */
  --mute:#8A8178;        /* 注記 */
  --label:#9A9188;       /* SECTION ラベル */
  --light:#F7F4EF;       /* 暗色上の文字 */
  --accent:#9A8463;      /* 価格まわりだけに使う、くすんだ砂金色 */
  --line:rgba(30,28,26,.14);
  --line-light:rgba(247,244,239,.28);
  --serif:'Shippori Mincho B1',serif;
  --sans:'Zen Kaku Gothic New',sans-serif;
  --sticky-h:64px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  background:var(--bg);color:var(--ink-soft);
  font-family:var(--sans);font-weight:400;font-size:16px;line-height:2.1;letter-spacing:.04em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  padding-bottom:calc(var(--sticky-h) + env(safe-area-inset-bottom));
}
::selection{background:var(--bg-3);color:var(--ink)}
h1,h2,h3{font-family:var(--serif);font-weight:400;color:var(--ink);letter-spacing:.06em;line-height:1.65}
a{color:inherit}
img,video{display:block;max-width:100%}
img{height:auto}
.nb{display:inline-block}
.nowrap{white-space:nowrap}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 24px}
.sec{padding:clamp(80px,11vw,140px) 0}
.bg-2{background:var(--bg-2)}
.label{font-size:10.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--label);margin-bottom:1.6em;line-height:1.6}
.sec-head{margin-bottom:clamp(40px,5vw,64px);max-width:640px}
.sec-head h2{font-size:clamp(1.65rem,3.6vw,2.6rem)}
.sec-head .rule{height:1px;background:var(--line);margin:1.4em 0 1.4em}
.sec-head p{font-size:.98rem}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,88px);align-items:center}

.reveal{opacity:0;transform:translateY(18px);transition:opacity 1.2s cubic-bezier(.2,.7,.2,1),transform 1.2s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
}

/* ---------- LINE 誘導（ブランドトーンのボタン） ---------- */
.cta-btn{display:inline-flex;align-items:center;justify-content:space-between;gap:2.2em;
  min-height:56px;padding:1.2em 1.6em;background:var(--dark);color:var(--light);
  font-family:var(--sans);font-size:.94rem;letter-spacing:.1em;line-height:1.4;text-decoration:none;
  transition:background .4s,color .4s}
.cta-btn:hover{background:#3a3632}
.cta-btn .arrow{font-size:.9em;transition:transform .4s}
.cta-btn:hover .arrow{transform:translateX(4px)}
.cta-btn.ghost{background:rgba(20,18,16,.22);border:1px solid rgba(247,244,239,.7)}
.cta-btn.ghost:hover{background:rgba(20,18,16,.45)}
.cta-link{display:inline-flex;align-items:center;gap:1.4em;padding:.9em 0;border-bottom:1px solid var(--ink);
  color:var(--ink);font-size:.9rem;letter-spacing:.1em;text-decoration:none;line-height:1.4}
.cta-link .arrow{transition:transform .4s}
.cta-link:hover .arrow{transform:translateX(4px)}
.cta-btn:focus-visible,.cta-link:focus-visible,.sticky-cta a:focus-visible{outline:1px solid var(--ink);outline-offset:4px}
.cta-note{margin-top:1.2em;font-size:.78rem;color:var(--mute);line-height:1.9;letter-spacing:.03em}

/* ---------- header ---------- */
header.bar{position:absolute;top:0;left:0;width:100%;z-index:20;padding:26px 0;color:var(--light)}
.bar .wrap{display:flex;align-items:baseline;gap:18px}
.brand{font-family:var(--serif);font-size:.95rem;letter-spacing:.22em;white-space:nowrap}
.brand-sub{font-size:10px;letter-spacing:.3em;opacity:.8;white-space:nowrap}

/* ---------- 1. hero（写真全面） ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:var(--light);overflow:hidden;background:var(--dark)}
.hero-bg{position:absolute;inset:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 45%}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,18,16,.62) 0%,rgba(20,18,16,.38) 45%,rgba(20,18,16,.12) 100%)}
.hero .wrap{position:relative;z-index:2;padding-top:110px;padding-bottom:90px}
.hero .chip{display:inline-block;font-size:.84rem;font-weight:500;letter-spacing:.2em;color:#fff;
  background:rgba(20,18,16,.35);padding:.45em 1em;margin-bottom:1.6em}
.hero h1{color:#FBF9F5;font-size:clamp(2rem,4.6vw,3.6rem);line-height:1.55;letter-spacing:.05em;word-break:keep-all}
.hero .desc{margin-top:1.4em;color:#F0EBE3;font-size:clamp(.95rem,1.4vw,1.06rem);line-height:2.05;letter-spacing:.06em}
.hero .product{margin-top:1.4em;font-family:var(--serif);font-size:1.02rem;letter-spacing:.2em;color:#FBF9F5}
.hero .cta{margin-top:2.2em;display:flex;align-items:center;gap:26px}
.hero .scroll{font-size:10px;letter-spacing:.3em;color:rgba(247,244,239,.75);padding-left:14px;border-left:1px solid rgba(247,244,239,.5)}

/* ---------- 2. 輝きの動画（暗色） ---------- */
.dark{background:var(--dark);color:rgba(247,244,239,.86)}
.dark .label{color:rgba(247,244,239,.55)}
.dark h2{color:var(--light)}
.media{position:relative;width:100%;max-width:440px;border-radius:10px;overflow:hidden;background:var(--bg-3);aspect-ratio:4/5}
.dark .media{background:#2a2724}
.media video,.media img{width:100%;height:100%;object-fit:cover}
.shine .split{grid-template-columns:1fr 1fr}
.shine .media{justify-self:end}

/* ---------- 3. features ---------- */
.feat-list{border-top:1px solid var(--line)}
.feat{display:grid;grid-template-columns:56px 1fr;gap:10px;padding:26px 0;border-bottom:1px solid var(--line)}
.feat .no{font-family:var(--serif);font-size:1.1rem;color:var(--label);letter-spacing:.1em;line-height:1.9}
.feat h3{font-size:1.2rem;margin-bottom:.3em}
.feat p{font-size:.95rem;line-height:2}
.kit-note{margin-top:24px;font-size:.86rem;color:var(--ink-soft)}
.feature-imgs{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feature-imgs img{width:100%;aspect-ratio:4/5;object-fit:cover}

/* ---------- 4. process ---------- */
.process .split{grid-template-columns:.9fr 1.1fr}
.steps{list-style:none;counter-reset:s;border-top:1px solid var(--line)}
.steps li{counter-increment:s;display:grid;grid-template-columns:56px 1fr;gap:10px;align-items:baseline;padding:22px 0;border-bottom:1px solid var(--line);font-size:1rem;color:var(--ink)}
.steps li::before{content:counter(s,decimal-leading-zero);font-family:var(--serif);font-size:1.1rem;color:var(--label);letter-spacing:.1em}

/* ---------- 5. size ---------- */
.size-fig img{width:100%;aspect-ratio:16/10;object-fit:cover}
.size-fig figcaption{margin-top:12px;font-size:.78rem;color:var(--mute)}
.size-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:40px}
.size-card{background:var(--bg-2);padding:30px 30px 28px}
.size-card .kind{font-size:10px;letter-spacing:.3em;color:var(--label);text-transform:uppercase}
.size-card h3{font-size:1.45rem;margin-top:.5em;letter-spacing:.08em}
.size-card .rule{width:28px;height:1px;background:var(--line);margin:1em 0}
.size-card p{font-size:.93rem;line-height:2}
.size-card .time{margin-top:1em;padding-top:1em;border-top:1px solid var(--line);font-size:.88rem;color:var(--ink)}
.size-card .time b{font-family:var(--serif);font-weight:400;font-size:1.08rem;margin-left:.6em}

/* ---------- 6. pricing ---------- */
.pcards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pcard{background:var(--bg);padding:34px 26px 28px;display:flex;flex-direction:column;border:1px solid transparent}
.pcard .kind{font-size:10px;letter-spacing:.3em;color:var(--label);text-transform:uppercase;min-height:1.6em}
.pcard h3{font-size:1.3rem;margin-top:.3em;letter-spacing:.08em}
.pcard .ref{margin-top:1.4em;font-size:.84rem;color:var(--mute);white-space:nowrap}
.pcard .ref s{text-decoration-thickness:1px;text-decoration-color:rgba(138,129,120,.7)}
.pcard .tag{margin-top:1.2em;font-size:.76rem;letter-spacing:.2em;color:var(--accent)}
.pcard .price{margin-top:.1em;font-family:var(--serif);color:var(--ink);line-height:1.3;white-space:nowrap}
.pcard .price .num{font-size:clamp(2.1rem,3.8vw,2.6rem);letter-spacing:.02em}
.pcard .price .yen{font-size:1rem;margin-left:.15em}
.pcard .off{font-family:var(--serif);font-size:1.02rem;letter-spacing:.1em;color:var(--accent);white-space:nowrap}
.pcard .limit{margin-top:auto;padding-top:1.1em;border-top:1px solid var(--line);font-size:.88rem;color:var(--ink)}
.pcard .off + .limit{margin-top:1.4em}
.pnotes{list-style:none;margin-top:24px;font-size:.8rem;color:var(--mute);line-height:1.9}

/* 中盤のLINE帯（公開中LPの帯デザイン） */
.band{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--bg)}
.band .wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:44px;padding-bottom:44px}
.band p{font-family:var(--serif);font-size:1.08rem;color:var(--ink);letter-spacing:.06em;line-height:1.8}

/* ---------- 7. kit ---------- */
.kit-list{background:var(--bg-2);padding:28px 30px}
.kit-list .kind{font-size:10px;letter-spacing:.3em;color:var(--label);margin-bottom:.8em}
.kit-list ul{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:.2em 1.8em}
.kit-list li{position:relative;padding-left:1.2em;font-size:.94rem;color:var(--ink)}
.kit-list li::before{content:"";position:absolute;left:0;top:1.05em;width:8px;height:1px;background:var(--ink-soft)}
.kit-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
.kit-card{background:var(--bg-2)}
.kit-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.kit-card .body{padding:20px 26px 24px}
.kit-card .kind{font-size:10px;letter-spacing:.3em;color:var(--label)}
.kit-card h3{font-size:1.25rem;margin-top:.3em}
.kit-card p{margin-top:.2em;font-size:.94rem;color:var(--ink)}
.kit-foot{margin-top:18px;font-size:.78rem;color:var(--mute);line-height:1.9}

/* ---------- 8. LINE ---------- */
.line-sec .inner{max-width:640px;margin:0 auto}
.line-sec h2{font-size:clamp(1.65rem,3.6vw,2.6rem)}
.line-sec .rule{height:1px;background:var(--line);margin:1.6em 0}
.benefits{list-style:none;margin:1.6em 0 2.4em;border-top:1px solid var(--line)}
.benefits li{padding:.9em 0 .9em 1.4em;border-bottom:1px solid var(--line);font-size:.94rem;color:var(--ink);position:relative;line-height:1.8}
.benefits li::before{content:"";position:absolute;left:0;top:1.8em;width:8px;height:1px;background:var(--ink-soft)}
.line-sec .cta-btn{min-width:min(100%,340px)}

/* ---------- 9. FAQ ---------- */
.faq{border-top:1px solid var(--line);max-width:820px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:32px 1fr 20px;gap:8px;align-items:baseline;padding:22px 0;color:var(--ink);font-size:.98rem;line-height:1.7}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";font-family:var(--serif);font-size:1.1rem;color:var(--label)}
.faq summary::after{content:"+";font-family:var(--serif);font-size:1.2rem;color:var(--label);text-align:right;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .a{padding:0 0 22px 40px;font-size:.94rem;line-height:2}

/* ---------- 10. footer ---------- */
footer{background:var(--bg);border-top:1px solid var(--line);padding:clamp(56px,8vw,88px) 0 36px}
.notes-title{font-family:var(--serif);font-size:1rem;color:var(--ink);letter-spacing:.1em;margin-bottom:.8em}
.notes{list-style:none;font-size:.8rem;color:var(--mute);line-height:1.9;max-width:820px}
.notes li{padding-left:1em;text-indent:-1em;margin-bottom:.3em}
.foot-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.foot-brand{font-family:var(--serif);font-size:.86rem;letter-spacing:.2em;color:var(--ink)}
.foot-links{font-size:.8rem}
.foot-links a{color:var(--ink-soft);text-underline-offset:3px;text-decoration-color:var(--line)}

/* ---------- 追従 LINE ---------- */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:50;background:var(--dark);
  padding-bottom:env(safe-area-inset-bottom);border-top:1px solid rgba(247,244,239,.12)}
.sticky-cta a{display:flex;align-items:center;justify-content:center;gap:1.4em;min-height:var(--sticky-h);padding:0 20px;
  color:var(--light);text-decoration:none;font-size:.92rem;letter-spacing:.1em;line-height:1.3}
.sticky-cta .arrow{font-size:.9em}

/* ---------- responsive ---------- */
@media (min-width:861px){
  body{padding-bottom:0}
  .sticky-cta{left:auto;right:28px;bottom:calc(28px + env(safe-area-inset-bottom));border:none;
    box-shadow:0 18px 40px -22px rgba(20,18,16,.6)}
  .sticky-cta a{min-height:52px;padding:0 24px;font-size:.84rem}
  footer{padding-bottom:120px}
}
@media (max-width:860px){
  .split,.shine .split,.process .split{grid-template-columns:1fr}
  .shine .media{justify-self:center}
  .media{max-width:420px;margin:0 auto}
  .features .feature-imgs{order:-1}
  .pcards{grid-template-columns:1fr;max-width:460px}
  .band .wrap{flex-direction:column;align-items:flex-start}
  .kit-list ul{grid-template-columns:1fr 1fr}
  .hero{align-items:flex-end}
  .hero::after{background:linear-gradient(180deg,rgba(20,18,16,.25) 0%,rgba(20,18,16,.2) 35%,rgba(20,18,16,.7) 100%)}
  .hero .wrap{padding-bottom:calc(40px + var(--sticky-h) + env(safe-area-inset-bottom))}
}
@media (max-width:620px){
  body{font-size:15.5px}
  .size-cards,.kit-grid{grid-template-columns:1fr}
  .kit-list ul{grid-template-columns:1fr}
  .media{max-width:none}
  .cta-btn{width:100%}
  .hero .cta{flex-direction:column;align-items:stretch;gap:14px}
  .hero .scroll{display:none}
  .size-card,.pcard,.kit-list{padding-left:22px;padding-right:22px}
}
@media (max-width:400px){
  .wrap{padding:0 20px}
  .brand-sub{display:none}
  .cta-btn{padding:1.15em 1.2em;font-size:.9rem;gap:1em}
  .sticky-cta a{font-size:.88rem}
  .faq .a{padding-left:0}
}

/* =========================================================
   第3版 追加：コピー2行・輝き動画・暮らし・初心者セクション
   ========================================================= */
/* ファーストビュー：2行のまとまりを崩さない */
.hero h1{font-size:clamp(1.5rem,6.6vw,3.6rem);letter-spacing:.05em}
.hero h1 .line{display:block;white-space:nowrap}
.hero .desc{margin-top:1.2em}

/* 完成品の輝き動画（元動画 1006×1340 の縦横比を維持・切り抜かない） */
.shine h2{font-size:clamp(1.55rem,3.4vw,2.4rem)}
.shine .rule{height:1px;background:var(--line-light);margin:1.4em 0}
.shine-body{font-size:clamp(.95rem,1.4vw,1.02rem);line-height:2.1;color:rgba(247,244,239,.86);max-width:30em}
.media-shine{aspect-ratio:1006/1340;max-width:480px}
.media-shine video{object-fit:contain;background:#2a2724}

/* 完成後の暮らし（昼・夜の対） */
.life-head{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:end;margin-bottom:clamp(36px,5vw,56px)}
.life-head h2{font-size:clamp(1.5rem,3.2vw,2.3rem)}
.life-body{font-size:.98rem;line-height:2.15}
.life-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.life-grid figure{margin:0}
.life-grid img{width:100%;aspect-ratio:3/2;object-fit:cover}
.life-grid figcaption{margin-top:12px;font-family:var(--serif);font-size:1rem;color:var(--ink);letter-spacing:.06em}
.life-note{margin-top:14px;font-size:.78rem;color:var(--mute)}

/* 魅力：画像1枚 */
.feature-imgs.single{grid-template-columns:1fr}
.feature-imgs.single img{aspect-ratio:4/3}

/* 初心者でも作れる安心感 */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,5vw,72px);align-items:start}
.guide h2{font-size:clamp(1.55rem,3.4vw,2.4rem)}
.guide .rule{height:1px;background:var(--line);margin:1.4em 0}
.guide-body p{font-size:.98rem;line-height:2.1}
.guide-body p + p{margin-top:1em}
.guide-points{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:clamp(32px,4vw,48px)}
.guide-points li{background:var(--bg);padding:20px 22px;font-size:.95rem;color:var(--ink);line-height:1.8;display:flex;gap:14px;align-items:baseline}
.guide-points .no{font-family:var(--serif);color:var(--label);font-size:.95rem;letter-spacing:.1em}

/* 最下部のLINE誘導 */
.foot-cta{margin-bottom:48px;padding-bottom:40px;border-bottom:1px solid var(--line)}
.foot-cta p{font-family:var(--serif);font-size:1.08rem;color:var(--ink);letter-spacing:.06em;margin-bottom:.4em}

@media (max-width:860px){
  .life-head,.guide-grid{grid-template-columns:1fr}
  .life-grid{grid-template-columns:1fr}
  .guide-points{grid-template-columns:1fr;gap:10px}
  .media-shine{max-width:480px}
  .shine .media{order:2}
}
@media (max-width:620px){
  .media-shine{max-width:none}
}

/* 狭い画面でのボタン文言・ファーストビューの可読性 */
.cta-btn,.cta-link,.sticky-cta a{white-space:nowrap}
@media (max-width:860px){
  .hero::after{background:linear-gradient(180deg,rgba(20,18,16,.3) 0%,rgba(20,18,16,.38) 40%,rgba(20,18,16,.78) 100%)}
}
@media (max-width:374px){
  .cta-btn{font-size:.84rem;letter-spacing:.06em;padding:1.1em 1em;gap:.8em}
  .cta-link,.sticky-cta a{font-size:.84rem;letter-spacing:.06em}
}

/* Section 03 動画（4:5・切り抜きなし） */
.feature-media{justify-self:center}
@media (max-width:860px){ .features .feature-media{order:-1} }