:root {
  --ink: #181818;
  --muted: #626262;
  --line: #e8e1d8;
  --paper: #fffaf4;
  --soft: #f6efe5;
  --black: #111111;
  --gold: #b58b4a;
  --gold-dark: #8b642d;
  --red: #9f1d2b;
  --white: #ffffff;
  --shadow: 0 22px 60px rgba(22, 18, 14, .12);
  --radius: 22px;
  --container: min(1120px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", system-ui, -apple-system, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: var(--container); margin: 0 auto; }
.section { padding: 88px 0; }
.section-dark { color: var(--white); background: var(--black); }
.muted { background: var(--soft); }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.align-start { align-items: start; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(20px, calc((100vw - 1120px) / 2));
  background: rgba(255, 250, 244, .92);
  border-bottom: 1px solid rgba(232, 225, 216, .8);
  backdrop-filter: blur(14px);
}
.brand img { width: 130px; height: auto; }
.nav { display: flex; gap: 22px; font-size: 14px; font-weight: 700; color: #383838; }
.nav a:hover { color: var(--gold-dark); }
.header-cta, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .02em;
}
.header-cta, .btn-primary { color: var(--white); background: linear-gradient(135deg, var(--red), #6f111c); box-shadow: 0 12px 24px rgba(159, 29, 43, .22); }
.btn-ghost { color: var(--white); border: 1px solid rgba(255,255,255,.55); }
.text-link { color: var(--gold); font-weight: 800; text-decoration: underline; text-underline-offset: 5px; }

.hero { position: relative; overflow: hidden; min-height: 720px; display: grid; align-items: center; padding: 96px 0 72px; }
.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(12,12,12,.92) 0%, rgba(12,12,12,.72) 43%, rgba(12,12,12,.18) 100%), url("./images/hero-bg-women.webp") center right / cover no-repeat;
}
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) 360px; gap: 48px; align-items: end; }
.eyebrow { margin: 0 0 12px; color: var(--gold); font-size: 13px; font-weight: 900; letter-spacing: .16em; text-transform: uppercase; }
.hero h1, .section h2, .final-cta h2 { font-family: "Noto Serif JP", serif; letter-spacing: .02em; line-height: 1.25; }
.hero h1 { max-width: 730px; margin: 0; font-size: clamp(40px, 6vw, 76px); }
.lead { max-width: 720px; margin: 24px 0 0; font-size: clamp(17px, 2vw, 20px); color: rgba(255,255,255,.88); }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 12px; padding: 0; margin: 26px 0 0; list-style: none; }
.hero-points li { padding: 8px 13px; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; background: rgba(255,255,255,.08); font-weight: 700; font-size: 14px; }
.hero-panel { padding: 28px; border: 1px solid rgba(255,255,255,.18); border-radius: var(--radius); background: rgba(17,17,17,.72); box-shadow: var(--shadow); backdrop-filter: blur(12px); }
.panel-kicker { margin: 0 0 8px; color: #e7cfa5; font-weight: 900; }
.hero-panel h2 { margin: 0; font-size: 30px; }
.hero-panel p:not(.panel-kicker) { margin: 10px 0 18px; color: rgba(255,255,255,.82); }

.quick-nav { position: relative; z-index: 2; margin-top: -42px; }
.quick-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.quick-card { padding: 22px; border-radius: 18px; background: var(--white); box-shadow: var(--shadow); border: 1px solid var(--line); }
.quick-card span { display: block; font-size: 20px; font-weight: 900; }
.quick-card small { color: var(--muted); font-weight: 700; }
.quick-card.is-strong { color: var(--white); background: linear-gradient(135deg, #1c1c1c, #403222); border-color: #403222; }
.quick-card.is-strong small { color: rgba(255,255,255,.78); }

.two-col { display: grid; grid-template-columns: .85fr 1.15fr; gap: 56px; align-items: center; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head h2, .problem h2, .final-cta h2 { margin: 0; font-size: clamp(30px, 4vw, 48px); }
.section-head p, .problem p, .proof p { color: var(--muted); }
.check-list { display: grid; gap: 14px; }
.check-list p { position: relative; margin: 0; padding: 18px 18px 18px 48px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 14px 34px rgba(22, 18, 14, .06); }
.check-list p::before { content: "✓"; position: absolute; left: 18px; top: 16px; color: var(--gold-dark); font-weight: 900; }

.steps { display: grid; gap: 16px; max-width: 920px; padding: 0; margin: 38px auto 0; list-style: none; }
.steps li {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: center;
  padding: 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 12px 30px rgba(22,18,14,.06);
}
.step-image {
  display: grid;
  place-items: center;
  height: 150px;
  margin: 0;
  border-radius: 18px;
  background: var(--paper);
  overflow: hidden;
}
.step-image img { width: 100%; height: 100%; object-fit: contain; padding: 10px; }
.step-image.logo-step img { max-width: 170px; height: auto; }
.step-head { display: flex; align-items: center; gap: 14px; margin-bottom: 10px; }
.step-icon { flex: 0 0 auto; display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--white); background: var(--black); font-weight: 900; }
.steps h3 { margin: 0; font-size: clamp(20px, 2.4vw, 28px); line-height: 1.35; }
.steps p { margin: 0; color: var(--muted); font-size: 15px; }

.lineup { background: #fffdf9; }
.product-card { display: grid; grid-template-columns: 42% 1fr; gap: 28px; padding: 22px; border: 1px solid var(--line); border-radius: 28px; background: var(--white); box-shadow: var(--shadow); }
.product-card.featured { margin-bottom: 22px; border-color: rgba(181,139,74,.45); }
.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.product-grid .product-card { grid-template-columns: 1fr; gap: 18px; box-shadow: 0 16px 42px rgba(22,18,14,.08); }
.product-media { min-height: 300px; border-radius: 22px; background: var(--soft); overflow: hidden; display: grid; place-items: center; }
.product-grid .product-media { min-height: 260px; }
.product-media img { width: 100%; height: 100%; max-height: 420px; object-fit: contain; }
.product-body { display: flex; flex-direction: column; justify-content: center; }
.tag { display: inline-flex; width: fit-content; margin: 0 0 12px; padding: 5px 12px; color: var(--gold-dark); background: #f5ead8; border-radius: 999px; font-size: 13px; font-weight: 900; }
.product-body h3 { margin: 0 0 10px; font-size: clamp(25px, 3vw, 38px); line-height: 1.35; }
.product-body p { color: var(--muted); margin: 0 0 18px; }
.price-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 20px; }
.price-row span { padding: 9px 12px; border-radius: 12px; background: var(--paper); border: 1px solid var(--line); font-size: 14px; font-weight: 700; }
.price-row b { color: var(--red); font-size: 18px; }
.mall-buttons { margin-top: auto; padding-top: 4px; }
.mall-note { margin: 0 0 10px !important; color: var(--ink) !important; font-weight: 900; }
.mall-button-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.mall-button-grid a { display: grid; place-items: center; min-height: 46px; padding: 8px 10px; border-radius: 12px; color: var(--white); background: var(--black); font-size: 13px; font-weight: 900; text-align: center; }
.mall-button-grid a:nth-child(1) { background: #bf0000; }
.mall-button-grid a:nth-child(2) { background: #ef8b00; }
.mall-button-grid a:nth-child(3) { background: #eb5505; }

.mall-list { display: grid; gap: 16px; }
.sticky-head { position: sticky; top: 96px; }
.mall-card { display: grid; grid-template-columns: 170px 1fr; gap: 24px; align-items: center; min-height: 116px; padding: 22px; border-radius: 20px; background: var(--white); border: 1px solid var(--line); box-shadow: 0 16px 36px rgba(22,18,14,.07); }
.mall-card img { max-height: 52px; object-fit: contain; }
.mall-card strong { font-size: 24px; color: #eb5505; }
.mall-card span { color: var(--muted); font-weight: 700; }

.proof-grid { display: grid; grid-template-columns: 1fr .9fr .9fr; gap: 24px; align-items: center; }
.image-frame, .award-card { margin: 0; overflow: hidden; border-radius: var(--radius); background: var(--white); border: 1px solid var(--line); box-shadow: 0 16px 36px rgba(22,18,14,.07); }
.image-frame img, .award-card img { width: 100%; height: 300px; object-fit: contain; padding: 12px; }
.award-card figcaption { padding: 0 18px 18px; color: var(--muted); font-size: 14px; font-weight: 700; }

.compact-head { max-width: 660px; }
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; max-width: 820px; margin: 0 auto; }
.related-grid article { padding: 18px; border-radius: 20px; background: var(--white); border: 1px solid var(--line); text-align: center; }
.related-grid img { width: 100%; height: 240px; object-fit: contain; background: var(--soft); border-radius: 16px; }
.related-grid h3 { margin: 14px 0 4px; }

.faq-list { max-width: 880px; margin: 0 auto; display: grid; gap: 12px; }
details { border: 1px solid var(--line); border-radius: 16px; background: var(--white); overflow: hidden; }
summary { cursor: pointer; padding: 20px 24px; font-weight: 900; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; float: right; color: var(--gold-dark); font-size: 22px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 24px 22px; color: var(--muted); }

.final-cta { padding: 80px 0; background: linear-gradient(135deg, #111 0%, #2d2418 100%); }
.final-box { text-align: center; max-width: 760px; }
.final-box h2 { margin: 0 0 28px; }
.footer { padding: 34px 0 90px; background: var(--paper); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 18px; color: var(--muted); font-size: 14px; }
.footer a { font-weight: 800; color: var(--gold-dark); }

.mobile-sticky { display: none; }

@media (max-width: 980px) {
  .nav { display: none; }
  .hero { min-height: auto; padding: 76px 0 70px; }
  .hero-bg { background: linear-gradient(180deg, rgba(12,12,12,.9), rgba(12,12,12,.68)), url("./images/hero-bg-women.webp") center / cover no-repeat; }
  .hero-grid, .two-col, .product-card, .proof-grid { grid-template-columns: 1fr; }
  .quick-grid, .product-grid { grid-template-columns: repeat(2, 1fr); }
  .steps li { grid-template-columns: 190px 1fr; }
  .sticky-head { position: static; }
}

@media (max-width: 640px) {
  :root { --container: min(100% - 28px, 1120px); }
  .section { padding: 62px 0; }
  .site-header { padding: 10px 14px; }
  .brand img { width: 112px; }
  .header-cta { display: none; }
  .hero h1 { font-size: 38px; }
  .hero-panel { padding: 22px; }
  .quick-grid, .product-grid, .related-grid { grid-template-columns: 1fr; }
  .steps li { grid-template-columns: 1fr; gap: 16px; }
  .step-image { height: 190px; }
  .step-head { align-items: flex-start; }
  .quick-nav { margin-top: -28px; }
  .two-col { gap: 28px; }
  .product-card { padding: 14px; border-radius: 22px; }
  .product-media, .product-grid .product-media { min-height: 220px; }
  .mall-button-grid { grid-template-columns: 1fr; }
  .mall-card { grid-template-columns: 1fr; gap: 10px; }
  .footer-inner { flex-direction: column; text-align: center; }
  .mobile-sticky { position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 60; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px; border-radius: 18px; background: rgba(17,17,17,.88); backdrop-filter: blur(12px); box-shadow: var(--shadow); }
  .mobile-sticky a { display: grid; place-items: center; min-height: 46px; border-radius: 12px; color: var(--white); background: var(--red); font-weight: 900; }
  .mobile-sticky a:nth-child(2) { background: #3b3022; }
}

.guide-notes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 18px;
}
.guide-notes p {
  margin: 0;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.72);
  color: var(--muted);
  font-size: 14px;
}
.guide-notes b { display: block; color: var(--ink); font-size: 15px; }
.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 24px;
}
.trust-strip div {
  padding: 20px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, #181818, #3b3022);
  color: var(--white);
  box-shadow: 0 14px 34px rgba(22,18,14,.11);
}
.trust-strip b { display: block; font-size: 30px; line-height: 1; color: #efd7a9; }
.trust-strip span { display: block; margin-top: 8px; font-size: 13px; font-weight: 800; color: rgba(255,255,255,.82); }
.product-assist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 14px;
}
.product-assist span {
  padding: 6px 10px;
  border-radius: 999px;
  background: #fff3e8;
  color: var(--red);
  font-size: 13px;
  font-weight: 900;
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 24px;
}
.review-grid article {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  box-shadow: 0 14px 34px rgba(22,18,14,.06);
}
.review-grid span { color: var(--gold-dark); font-weight: 900; letter-spacing: .08em; }
.review-grid p { margin: 10px 0 0; color: var(--muted); }
.option-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.option-grid article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--white);
  box-shadow: 0 16px 36px rgba(22,18,14,.07);
}
.option-grid h3 { margin: 0 0 10px; font-size: 22px; }
.option-grid p { margin: 0; color: var(--muted); }

@media (max-width: 980px) {
  .guide-notes, .trust-strip, .review-grid, .option-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .guide-notes, .trust-strip, .review-grid, .option-grid { grid-template-columns: 1fr; }
  .trust-strip b { font-size: 26px; }
}
.support-card {
  padding: 22px;
  border-radius: 20px;
  background: #1b1b1b;
  color: var(--white);
  box-shadow: 0 16px 36px rgba(22,18,14,.12);
}
.support-card strong { display: block; margin-bottom: 6px; font-size: 20px; }
.support-card span { color: rgba(255,255,255,.78); font-weight: 700; }