:root {
  --navy: #17265a;
  --navy-d: #0f1b42;
  --navy-s: #eef1f9;
  --gold: #b8913a;
  --gold-l: #d9b968;
  --gold-s: #f8f3e6;
  --ink: #232a3b;
  --sub: #667085;
  --line: #e4e7ee;
  --white: #fff;
  --serif: 'Shippori Mincho', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --sans: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', Meiryo, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--sans); color: var(--ink); background: #fff; line-height: 1.85; font-size: 15px; }
img, svg { max-width: 100%; display: block; }
a { color: inherit; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* bar + header */
.bar { background: var(--navy); color: #fff; font-size: 11.5px; letter-spacing: .12em; text-align: center; padding: 7px 12px; }
.hdr { position: sticky; top: 0; z-index: 30; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); }
.hdr .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.logo { font-family: var(--sans); font-weight: 700; font-size: 24px; letter-spacing: .12em; color: var(--navy); text-decoration: none; line-height: 1; }
.logo b { color: var(--gold); font-weight: 700; }
.nav { display: none; gap: 26px; font-size: 13px; letter-spacing: .08em; }
.nav a { text-decoration: none; color: var(--ink); }
.nav a:hover { color: var(--gold); }
.cart { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--navy); text-decoration: none; }
.cart svg { width: 22px; height: 22px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; font-weight: 700; letter-spacing: .1em; border-radius: 999px; padding: 15px 34px; font-size: 15px; transition: .2s; border: 1.5px solid transparent; }
.btn.gold { background: linear-gradient(135deg, #cba751, #a67c26); color: #fff; box-shadow: 0 8px 20px rgba(166,124,38,.28); }
.btn.gold:hover { filter: brightness(1.06); transform: translateY(-1px); }
.btn.line { border-color: var(--navy); color: var(--navy); background: #fff; }
.btn.line:hover { background: var(--navy); color: #fff; }
.btn.block { width: 100%; }

/* hero */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f1f4fb 0%, #ffffff 100%); }
.hero::before { content: ''; position: absolute; right: -140px; top: -120px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(217,185,104,.32), rgba(217,185,104,0) 68%); }
.hero::after { content: ''; position: absolute; left: -180px; bottom: -200px; width: 520px; height: 520px; border-radius: 50%; background: radial-gradient(circle, rgba(23,38,90,.10), rgba(23,38,90,0) 70%); }
.hero .wrap { position: relative; z-index: 1; display: grid; gap: 8px; padding-top: 38px; padding-bottom: 34px; }
.eyebrow { font-size: 12px; letter-spacing: .28em; color: var(--gold); font-weight: 700; }
.hero h1 { font-family: var(--serif); font-weight: 700; color: var(--navy); font-size: 28px; line-height: 1.38; letter-spacing: .04em; margin: 8px 0 12px; }
.hero h1 em { font-style: normal; color: var(--gold); }
.hero p.lead { margin: 0 0 18px; color: var(--ink); font-size: 14.5px; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 8px; }
.hero .cta .btn { flex: 1 1 100%; }
.hero .note { font-size: 11px; color: var(--sub); }
.hero .visual { margin-top: 6px; }

/* facts */
.facts { background: var(--navy); color: #fff; }
.facts .wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 0; padding-top: 0; padding-bottom: 0; }
.fact { padding: 20px 8px; text-align: center; border-bottom: 1px solid rgba(255,255,255,.14); }
.fact:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.14); }
.fact:nth-child(n+3) { border-bottom: 0; }
.fact b { display: block; font-family: var(--serif); font-size: 27px; color: var(--gold-l); line-height: 1.2; letter-spacing: .02em; }
.fact b small { font-size: 14px; margin-left: 2px; }
.fact span { font-size: 11.5px; letter-spacing: .08em; opacity: .9; }

/* sections */
.sec { padding: 56px 0; }
.sec.tint { background: var(--gold-s); }
.sec.navy-s { background: var(--navy-s); }
.sec-h { text-align: center; margin-bottom: 30px; }
.sec-h small { display: block; font-size: 11.5px; letter-spacing: .3em; color: var(--gold); font-weight: 700; margin-bottom: 4px; }
.sec-h h2 { font-family: var(--serif); font-size: 26px; line-height: 1.5; letter-spacing: .05em; color: var(--navy); margin: 0; font-weight: 700; }
.sec-h h2 em { font-style: normal; color: var(--gold); }
.sec-h p { color: var(--sub); font-size: 13.5px; margin: 10px 0 0; }
.sec-h::after { content: ''; display: block; width: 44px; height: 2px; background: linear-gradient(90deg, var(--gold-l), var(--gold)); margin: 16px auto 0; }

/* ingredients */
.ing { display: grid; gap: 14px; }
.ing-card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 18px 18px 16px; display: grid; grid-template-columns: 84px 1fr; gap: 16px; align-items: center; }
.orb { width: 84px; height: 84px; border-radius: 50%; position: relative; box-shadow: inset -6px -8px 14px rgba(0,0,0,.10), inset 6px 6px 12px rgba(255,255,255,.7), 0 6px 14px rgba(23,38,90,.10); }
.orb::before { content: ''; position: absolute; left: 14%; top: 12%; width: 34%; height: 24%; border-radius: 50%; background: rgba(255,255,255,.75); filter: blur(1px); transform: rotate(-30deg); }
.orb.o1 { background: radial-gradient(circle at 35% 30%, #fff1b8, #e0b23c 55%, #a8771a); }
.orb.o2 { background: radial-gradient(circle at 35% 30%, #f3fbff, #a9d3ef 55%, #5f9cc8); }
.orb.o3 { background: radial-gradient(circle at 35% 30%, #f0fbe6, #9fd18a 55%, #4a9444); }
.orb.o4 { background: radial-gradient(circle at 35% 30%, #fffaf0, #e7d3ae 55%, #b79a62); }
.orb.o5 { background: radial-gradient(circle at 35% 30%, #fff8d9, #ffc94a 50%, #e2881a); }
.orb.o6 { background: radial-gradient(circle at 35% 30%, #ffffff, #f4dbe5 55%, #d9a6bc); }
.ing-card .no { font-family: var(--serif); color: var(--gold); font-size: 13px; letter-spacing: .08em; }
.ing-card h3 { margin: 0; font-size: 16px; color: var(--navy); line-height: 1.5; font-weight: 700; }
.ing-card h3 span { font-family: var(--serif); font-size: 22px; color: var(--gold); margin-left: 8px; font-weight: 700; }
.ing-card p { margin: 2px 0 0; font-size: 12.5px; color: var(--sub); line-height: 1.7; }
.ing-card h3 span.new { display: inline-block; font-family: var(--sans); font-size: 10px; font-weight: 500; line-height: 1.6; border: 1px solid var(--gold); color: var(--gold); border-radius: 4px; padding: 0 6px; margin-left: 6px; vertical-align: 3px; }

/* scenes */
.scenes { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.scene { background: #fff; border-radius: 16px; border: 1px solid var(--line); padding: 20px 14px 18px; text-align: center; }
.scene svg { width: 46px; height: 46px; margin: 0 auto 8px; color: var(--gold); }
.scene b { display: block; color: var(--navy); font-size: 14.5px; line-height: 1.5; }
.scene span { font-size: 12px; color: var(--sub); line-height: 1.6; display: block; margin-top: 4px; }

/* timing */
.timing { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 18px; }
.timing div { border: 1px solid var(--line); border-radius: 14px; padding: 14px 8px; text-align: center; font-size: 13px; background: #fff; color: var(--navy); font-weight: 700; }
.timing svg { width: 30px; height: 30px; margin: 0 auto 4px; color: var(--gold); }
.dose { text-align: center; font-size: 14px; }
.dose b { display: inline-block; background: var(--gold-s); color: var(--gold); border-radius: 999px; padding: 4px 16px; margin-right: 8px; font-size: 13px; }

/* voices */
.voices { display: grid; gap: 14px; }
.voice { background: #fff; border-radius: 16px; padding: 20px; border: 1px solid var(--line); position: relative; }
.voice::before { content: '“'; position: absolute; top: 4px; left: 14px; font-family: var(--serif); font-size: 54px; color: var(--gold-l); line-height: 1; opacity: .7; }
.voice .tag { font-size: 11.5px; color: var(--gold); font-weight: 700; letter-spacing: .1em; padding-left: 28px; }
.voice h3 { margin: 4px 0 6px; font-size: 15.5px; color: var(--navy); padding-left: 28px; line-height: 1.6; font-weight: 700; }
.voice p { margin: 0; font-size: 13px; color: var(--sub); line-height: 1.8; }
.caution { text-align: center; font-size: 11.5px; color: var(--sub); margin-top: 14px; }

/* buy */
.buy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-d) 100%); color: #fff; border-radius: 24px; padding: 28px 20px; display: grid; gap: 14px; position: relative; overflow: hidden; }
.buy::before { content: ''; position: absolute; right: -80px; top: -80px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(217,185,104,.28), rgba(217,185,104,0) 70%); }
.buy > * { position: relative; }
.buy .lab { font-size: 12px; letter-spacing: .2em; color: var(--gold-l); }
.buy h3 { font-family: var(--serif); font-size: 24px; margin: 0; letter-spacing: .05em; }
.price { font-family: var(--serif); font-size: 46px; color: var(--gold-l); line-height: 1.1; letter-spacing: .01em; }
.price small { font-size: 16px; margin-left: 4px; color: #fff; }
.price-sub { font-size: 13px; opacity: .92; }
.buy ul { margin: 0; padding: 0; list-style: none; font-size: 13px; }
.buy li { padding-left: 20px; position: relative; line-height: 1.9; }
.buy li::before { content: ''; position: absolute; left: 3px; top: 9px; width: 6px; height: 10px; border: solid var(--gold-l); border-width: 0 2px 2px 0; transform: rotate(45deg) scale(.9); }

/* faq */
details.faq { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 10px; }
details.faq summary { cursor: pointer; list-style: none; padding: 16px 44px 16px 18px; font-weight: 700; color: var(--navy); font-size: 14px; position: relative; line-height: 1.6; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::before { content: 'Q'; font-family: var(--serif); color: var(--gold); margin-right: 10px; font-size: 17px; }
details.faq summary::after { content: '+'; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 20px; color: var(--gold); }
details.faq[open] summary::after { content: '−'; }
details.faq p { margin: 0; padding: 0 18px 16px 44px; font-size: 13.5px; color: var(--sub); }

/* footer */
.foot { background: var(--navy-d); color: #c9d0e6; padding: 34px 0 96px; font-size: 12px; text-align: center; }
.foot .logo { color: #fff; font-size: 22px; }
.foot nav { display: flex; justify-content: center; gap: 22px; margin: 14px 0; flex-wrap: wrap; }
.foot a { text-decoration: none; color: #c9d0e6; }
.foot .small { opacity: .75; line-height: 1.8; max-width: 640px; margin: 0 auto; }
.demo-ribbon { background: #fff7df; color: #7a5b0f; font-size: 11.5px; text-align: center; padding: 9px 14px; border-top: 1px solid #f1deae; line-height: 1.6; }

/* sticky buy (SP) */
.sticky { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; background: rgba(255,255,255,.97); border-top: 1px solid var(--line); padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); display: flex; align-items: center; gap: 12px; }
.sticky .p { line-height: 1.3; flex: none; }
.sticky .p b { font-family: var(--serif); font-size: 19px; color: var(--navy); display: block; }
.sticky .p span { font-size: 10.5px; color: var(--sub); }
.sticky .btn { flex: 1; padding: 13px 10px; font-size: 14px; }

/* item page */
.crumb { font-size: 11.5px; color: var(--sub); padding: 14px 0 6px; }
.crumb a { text-decoration: none; }
.item { display: grid; gap: 22px; padding-bottom: 36px; }
.gallery { background: linear-gradient(160deg, #f1f4fb, #fff 60%); border: 1px solid var(--line); border-radius: 22px; padding: 14px; }
.thumbs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 10px; }
.thumbs div { aspect-ratio: 1; border-radius: 12px; border: 1px solid var(--line); background: #fff; display: grid; place-items: center; }
.thumbs div.on { border-color: var(--gold); }
.thumbs .orb { width: 40px; height: 40px; border: 0; border-radius: 50%; aspect-ratio: auto; display: block; }
.thumbs span { font-size: 10px; color: var(--sub); }
.ititle { font-family: var(--serif); color: var(--navy); font-size: 25px; line-height: 1.45; margin: 0 0 4px; letter-spacing: .03em; }
.isub { color: var(--sub); font-size: 13px; margin: 0 0 12px; }
.iprice { font-family: var(--serif); font-size: 36px; color: var(--navy); line-height: 1.2; }
.iprice small { font-size: 14px; color: var(--sub); margin-left: 4px; font-family: var(--sans); }
.iprice-sub { font-size: 12.5px; color: var(--gold); font-weight: 700; margin-bottom: 14px; }
.pts { list-style: none; margin: 0 0 18px; padding: 14px 16px; background: var(--gold-s); border-radius: 14px; font-size: 13.5px; }
.pts li { padding-left: 20px; position: relative; line-height: 1.9; }
.pts li::before { content: ''; position: absolute; left: 3px; top: 9px; width: 6px; height: 10px; border: solid var(--gold); border-width: 0 2px 2px 0; transform: rotate(45deg) scale(.9); }
.qty { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: 13px; }
.qty .box { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.qty .box span { width: 38px; height: 40px; display: grid; place-items: center; font-size: 17px; background: #fafafa; }
.qty .box b { width: 48px; display: grid; place-items: center; font-weight: 500; }
.safe { display: flex; gap: 14px; justify-content: center; margin-top: 14px; font-size: 11.5px; color: var(--sub); flex-wrap: wrap; }
.tbl { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; border-radius: 14px; overflow: hidden; }
.tbl th, .tbl td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.tbl th { width: 36%; background: var(--navy-s); color: var(--navy); font-weight: 700; }
.tbl td b { font-family: var(--serif); color: var(--gold); font-size: 16px; }
.tbl-note { font-size: 11.5px; color: var(--sub); margin-top: 10px; line-height: 1.8; }
.tablewrap { border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.tablewrap .tbl tr:last-child th, .tablewrap .tbl tr:last-child td { border-bottom: 0; }

@media (min-width: 760px) {
  body { font-size: 16px; }
  .nav { display: flex; }
  .hero .wrap { grid-template-columns: 1.05fr 1fr; align-items: center; gap: 30px; padding-top: 64px; padding-bottom: 60px; }
  .hero h1 { font-size: 42px; }
  .hero .cta .btn { flex: 0 0 auto; }
  .hero p.lead { font-size: 16px; }
  .facts .wrap { grid-template-columns: repeat(4, 1fr); }
  .fact { border-bottom: 0 !important; border-right: 1px solid rgba(255,255,255,.14); padding: 26px 8px; }
  .fact:last-child { border-right: 0; }
  .fact:nth-child(odd) { border-right: 1px solid rgba(255,255,255,.14); }
  .fact b { font-size: 32px; }
  .sec { padding: 84px 0; }
  .sec-h h2 { font-size: 34px; }
  .ing { grid-template-columns: repeat(3, 1fr); }
  .ing-card { grid-template-columns: 1fr; text-align: center; padding: 24px 18px; justify-items: center; }
  .scenes { grid-template-columns: repeat(4, 1fr); }
  .timing { grid-template-columns: repeat(4, 1fr); }
  .voices { grid-template-columns: repeat(3, 1fr); }
  .buy { grid-template-columns: 1fr 1fr; align-items: center; padding: 48px; gap: 30px; }
  .item { grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: start; }
  .gallery { position: sticky; top: 80px; }
  .ititle { font-size: 32px; }
  .sticky { display: none; }
  .foot { padding-bottom: 40px; }
}