/* SkinFit renewal — layout only. All copy and assets remain original. */
:root {
  --ink: #101010;
  --ink-2: #2a2722;
  --paper: #f4efe6;
  --paper-2: #ebe4d6;
  --paper-3: #e2d8c6;
  --cream: #faf7f1;
  --gold: #c4a15a;
  --gold-2: #e0c57a;
  --gold-3: #8d7036;
  --line: rgba(196, 161, 90, 0.28);
  --line-soft: rgba(16, 16, 16, 0.08);
  --muted: #6f6a61;
  --muted-2: #9a9488;
  --white: #fffcf7;
  --shadow: 0 24px 60px rgba(16, 16, 16, 0.18);
  --radius: 22px;
  --header-h: 76px;
  --max: 1180px;
  --font-jp: "Noto Sans JP", "Noto Sans SC", "Noto Sans KR", "Hiragino Sans", "Yu Gothic", sans-serif;
  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-mincho: "Shippori Mincho", "Yu Mincho", serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-jp);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  font-size: 15.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }

.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  background: var(--gold);
  color: var(--ink);
  padding: 8px 14px;
  z-index: 200;
}
.skip:focus { top: 12px; }

/* ========== Header ========== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}
.site-header.is-scrolled,
.site-header.solid {
  background: rgba(16, 16, 16, 0.86);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  box-shadow: 0 1px 0 rgba(196, 161, 90, 0.18);
}
.header-inner {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand img {
  height: 28px;
  width: auto;
  filter: drop-shadow(0 1px 0 rgba(0,0,0,0.25));
}
.nav {
  display: flex;
  align-items: center;
  gap: 4px 22px;
}
.nav a {
  color: #f3ead8;
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 500;
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.nav a:hover::after,
.nav a.is-active::after { transform: scaleX(1); }

.nav-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 10px;
}
.nav-select {
  display: flex;
  align-items: center;
}
.nav-select select {
  appearance: none;
  -webkit-appearance: none;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(196,161,90,0.4);
  color: #f3ead8;
  border-radius: 999px;
  padding: 6px 28px 6px 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  min-height: 34px;
  background-image: linear-gradient(45deg, transparent 50%, #e0c57a 50%), linear-gradient(135deg, #e0c57a 50%, transparent 50%);
  background-position: calc(100% - 14px) 14px, calc(100% - 9px) 14px;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}
.nav-select select option { color: #111; }
.nav-mobile-btn {
  border: 1px solid rgba(196,161,90,0.4);
  color: #f3ead8;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: 0.08em;
  min-height: 34px;
}
.nav-mobile-btn:hover { background: var(--gold); color: #111; }
html.in-frame .nav-mobile-btn { display: none; }
html[data-gender="all"] [data-audience]:not([data-audience~="all"]) { display: none !important; }
html[data-gender="gay"] [data-audience]:not([data-audience~="gay"]) { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

.mobile-preview-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(0,0,0,0.72);
  display: grid;
  place-items: center;
  padding: 20px;
}
.mobile-preview-phone {
  width: min(390px, 100%);
  height: min(844px, 92vh);
  background: #111;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  position: relative;
  border: 2px solid rgba(196,161,90,0.35);
}
.mobile-preview-phone iframe {
  width: 100%;
  height: 100%;
  border: 0;
  background: var(--paper);
}
.mobile-preview-close {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  background: rgba(16,16,16,0.85);
  color: #f3ead8;
  border: 1px solid rgba(196,161,90,0.4);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  position: relative;
  z-index: 90;
  border: 1px solid rgba(224,197,122,0.45);
  border-radius: 50%;
}
.nav-toggle span {
  position: absolute;
  left: 10px;
  right: 10px;
  height: 1.5px;
  background: var(--gold-2);
  transition: 0.3s ease;
}
.nav-toggle span:first-child { top: 16px; }
.nav-toggle span:last-child { top: 24px; }
.nav-toggle.is-open span:first-child { top: 20px; transform: rotate(40deg); }
.nav-toggle.is-open span:last-child { top: 20px; transform: rotate(-40deg); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 48px;
  padding: 0 26px;
  border: 1px solid var(--gold);
  color: var(--ink);
  background: var(--gold);
  letter-spacing: 0.16em;
  font-size: 12px;
  font-weight: 600;
  transition: 0.25s ease;
  border-radius: 999px;
}
.btn:hover { background: var(--gold-2); border-color: var(--gold-2); transform: translateY(-1px); }
.btn-ghost {
  background: transparent;
  color: var(--white);
  border-color: rgba(224, 197, 122, 0.7);
}
.btn-ghost:hover { background: var(--gold); color: var(--ink); }
.btn-line {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-line:hover { background: var(--ink); color: var(--paper); }
.btn[aria-disabled="true"],
.btn.is-soon {
  background: transparent;
  color: var(--muted);
  border-color: var(--paper-3);
  pointer-events: none;
}

/* ========== Hero ========== */
.hero {
  min-height: 100svh;
  height: 100svh;
  position: relative;
  display: grid;
  place-items: end center;
  color: var(--white);
  overflow: hidden;
  background: #070707;
}
.hero-media {
  position: absolute;
  inset: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 58% 30%;
  transform: scale(1.06);
  animation: ken 22s ease-out forwards;
}
@keyframes ken {
  to { transform: scale(1); }
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8,8,8,0.35) 0%, rgba(8,8,8,0.15) 32%, rgba(8,8,8,0.72) 100%),
    linear-gradient(90deg, rgba(8,8,8,0.45), transparent 48%);
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(var(--max), calc(100% - 40px));
  padding: 0 0 88px;
}
.eyebrow {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.38em;
  color: var(--gold-2);
  text-transform: uppercase;
  margin: 0 0 18px;
}
.hero h1,
.hero-title {
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: clamp(22px, 4.4vw, 56px);
  line-height: 1.45;
  letter-spacing: 0.08em;
  margin: 0 0 22px;
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}
.hero-lead {
  font-size: 15.5px;
  line-height: 1.7;
  color: #efe6d4;
  max-width: 28em;
  margin: 0 0 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

/* ========== Sections ========== */
.section {
  padding: clamp(72px, 10vw, 128px) 0;
}
#purpose,
#Timeline,
#features-section,
#Faq,
#products {
  scroll-margin-top: calc(var(--header-h) + 12px);
}
.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}
.section-head {
  text-align: center;
  margin: 0 auto 56px;
  max-width: 720px;
}
.section-head h2 {
  font-family: var(--font-mincho);
  font-weight: 500;
  font-size: clamp(26px, 3.6vw, 40px);
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.section-head p {
  margin: 0;
  color: var(--muted);
}
.kicker {
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--gold-3);
  text-transform: uppercase;
  display: block;
  margin-bottom: 12px;
}

/* ========== Products ========== */
.products {
  background: var(--cream);
  padding-top: 80px;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
@media (min-width: 1101px) {
  .product-grid.store { grid-template-columns: repeat(4, 1fr); }
}
.product-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(16,16,16,0.05);
  display: flex;
  flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease;
  position: relative;
}
.sale-band {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 3;
  background: #c41212;
  color: #fff;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  padding: 6px 8px 5px;
  line-height: 1.2;
}
.product-card.is-sale .thumb { padding-top: 40px; }
.price-was {
  font-size: 0.62em;
  color: #9a9488;
  margin-right: 8px;
  letter-spacing: 0;
}
.price-now { color: #c41212; }
.product-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.product-card .thumb {
  aspect-ratio: 1;
  background: #fff;
  display: grid;
  place-items: center;
  padding: 22px;
}
.product-card .thumb img {
  width: 86%;
  object-fit: contain;
  filter: none;
  transition: transform 0.45s ease;
}
.product-card:hover .thumb img { transform: scale(1.04); }
.product-card .body {
  padding: 8px 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.product-card h3 {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  margin: 0;
  line-height: 1.6;
  min-height: 3.2em;
  word-break: keep-all;
}
.price {
  font-family: var(--font-serif);
  font-size: 26px;
  color: var(--gold-3);
  letter-spacing: 0.04em;
}
.product-card .actions {
  display: flex;
  gap: 8px;
  margin-top: auto;
}
.product-card .actions .btn { flex: 1; padding: 0 10px; min-height: 42px; font-size: 11px; }

/* ========== Benefits ========== */
.benefits {
  background: #111;
  color: var(--paper);
}
.benefits-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 64px;
  align-items: center;
}
.benefits-visual {
  display: grid;
  place-items: center;
}
.benefits-visual img {
  width: min(420px, 100%);
  border-radius: 50%;
  background: #111;
  box-shadow: none;
  border: 0;
}
.benefits .section-head { text-align: left; margin: 0 0 28px; }
.benefits .section-head h2 {
  color: var(--white);
  white-space: nowrap;
  word-break: keep-all;
  overflow-wrap: normal;
}
.benefits .section-head p { color: #cfc6b4; }
.benefit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.benefit-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid rgba(196,161,90,0.18);
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
}
.benefit-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.7em;
  border-radius: 50%;
  background: var(--gold);
  flex: none;
}

/* ========== Philosophy ========== */
.purpose {
  background:
    radial-gradient(1200px 400px at 10% 0%, rgba(196,161,90,0.12), transparent 60%),
    var(--paper);
}
.purpose-inner {
  max-width: 760px;
  margin: 0 auto;
}
.purpose .section-head { margin-bottom: 36px; text-align: center; }
.purpose-copy { text-align: center; }
.purpose-sp { display: none; }
.faq-sp { display: none; }
.purpose-copy p {
  margin: 0 auto 1.4em;
  color: var(--ink-2);
  font-size: 15.5px;
  line-height: 1.7;
  text-align: center;
}
.purpose-copy p:first-child {
  font-family: var(--font-mincho);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink);
}

/* ========== Timeline ========== */
.timeline {
  background: #161513;
  color: var(--paper);
}
.timeline .section-head h2 { color: var(--white); }
.timeline .section-head p { color: #c9c0ae; }
.tl {
  position: relative;
  max-width: 820px;
  margin: 0 auto;
  padding: 10px 0 0;
}
.tl::before {
  content: "";
  position: absolute;
  left: 168px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(var(--gold), rgba(196,161,90,0.1));
}
.tl-item {
  display: grid;
  grid-template-columns: 150px 36px 1fr;
  gap: 16px;
  align-items: start;
  margin-bottom: 28px;
}
.tl-date {
  text-align: right;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--gold-2);
  padding-top: 10px;
}
.tl-dot {
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--gold);
  margin: 14px auto 0;
  box-shadow: 0 0 0 6px rgba(196,161,90,0.12);
}
.tl-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(196,161,90,0.16);
  border-radius: 16px;
  padding: 16px 20px;
}
.tl-card h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.7;
}
.tl-marker {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  margin: 6px 0 22px;
}
.tl-marker span {
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--gold-2);
  border: 1px solid rgba(196,161,90,0.4);
  border-radius: 999px;
  padding: 6px 16px;
}

/* ========== Features ========== */
.features {
  background: var(--cream);
}
.features-layout {
  display: grid;
  grid-template-columns: 1fr 280px 1fr;
  gap: 28px;
  align-items: center;
}
.feat-col { display: grid; gap: 18px; }
.feat {
  background: #fff;
  border-radius: 18px;
  padding: 22px 22px 20px;
  box-shadow: 0 8px 24px rgba(16,16,16,0.04);
  border: 1px solid rgba(16,16,16,0.04);
}
.feat h3 {
  margin: 0 0 8px;
  font-size: 16px;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.feat p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.7; }
.feat-visual {
  display: grid;
  place-items: center;
}
.feat-visual img {
  width: min(260px, 100%);
  filter: drop-shadow(20px 30px 30px rgba(16,16,16,0.18));
}

/* ========== FAQ ========== */
.faq {
  background:
    linear-gradient(180deg, #1a1814, #100f0d);
  color: var(--paper);
}
.faq .section-head h2 { color: var(--white); }
.faq .section-head p { color: #c9c0ae; }
.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.faq-grid.faq-sp { display: none; }
.faq-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(196,161,90,0.18);
  border-radius: 20px;
  padding: 28px 24px;
}
.faq-card h3 {
  margin: 0 0 14px;
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--gold-2);
  font-weight: 500;
}
.faq-card p { margin: 0; color: #ddd4c4; font-size: 15.5px; line-height: 1.7; }

/* ========== Footer ========== */
.site-footer {
  background: #0b0b0b;
  color: #d8d0c2;
  padding: 64px 0 32px;
}
.footer-social {
  display: flex;
  justify-content: center;
  gap: 14px;
  margin-bottom: 28px;
}
.footer-social a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(196,161,90,0.35);
  display: grid;
  place-items: center;
  color: var(--gold-2);
  transition: 0.25s ease;
}
.footer-social a:hover { background: var(--gold); color: #111; }
.footer-social svg { width: 18px; height: 18px; fill: currentColor; }
.footer-nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  font-size: 13px;
  letter-spacing: 0.16em;
  margin-bottom: 22px;
}
.footer-nav a:hover { color: var(--gold-2); }
.copyright {
  text-align: center;
  font-size: 12px;
  color: #8a8478;
  letter-spacing: 0.12em;
  margin: 0;
}

.site-notice {
  position: fixed;
  top: var(--header-h);
  left: 0;
  right: 0;
  z-index: 79;
  background: #c41212;
  color: #fff;
  text-align: center;
  padding: 8px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.5;
}
.site-notice[hidden] { display: none !important; }
.product-card[hidden] { display: none !important; }

.contact-form {
  margin-top: 28px;
  text-align: left;
  max-width: 480px;
}
.contact-form label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  margin: 14px 0 6px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--paper-3);
  border-radius: 10px;
  background: #fff;
}
.contact-form textarea { min-height: 140px; resize: vertical; }
.contact-form .btn { margin-top: 16px; }
.contact-form .ok { color: #2f6b3a; font-size: 13px; margin: 10px 0 0; }
.contact-form .err { color: #9b1c1c; font-size: 13px; margin: 10px 0 0; }
.contact-examples { margin: 22px 0 8px; text-align: left; }
.contact-examples-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  margin: 0 0 10px;
  color: var(--muted);
}
.contact-example-list { display: flex; flex-wrap: wrap; gap: 8px; }
.contact-example-list button {
  border: 1px solid var(--paper-3);
  background: #fff;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 0.04em;
}
.contact-example-list button:hover { border-color: var(--gold); background: #fff8ea; }

/* ========== Page header ========== */
.page-hero {
  padding: calc(var(--header-h) + 72px) 0 56px;
  background:
    linear-gradient(180deg, rgba(8,8,8,0.55), rgba(8,8,8,0.72)),
    url("../images/background.png") center 28% / cover no-repeat;
  color: var(--white);
  text-align: center;
}
.page-hero h1 {
  font-family: var(--font-mincho);
  font-weight: 500;
  letter-spacing: 0.16em;
  font-size: clamp(28px, 4vw, 44px);
  margin: 0;
}

/* ========== Product detail ========== */
.pdp {
  padding: calc(var(--header-h) + 48px) 0 96px;
}
.pdp-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: start;
}
.gallery-main {
  background: #fff;
  border-radius: 24px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  padding: 36px;
  box-shadow: 0 16px 40px rgba(16,16,16,0.06);
}
.gallery-main img {
  max-height: 100%;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}
.thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-top: 14px;
}
.thumbs button {
  background: #fff;
  border-radius: 12px;
  padding: 8px;
  border: 1px solid transparent;
  aspect-ratio: 1;
  min-width: 0;
}
.thumbs button.is-active,
.thumbs button:hover { border-color: var(--gold); }
.thumbs img { width: 100%; height: 100%; object-fit: contain; }
.pdp-info { position: relative; }
.pdp-info > .sale-band {
  position: static;
  display: inline-block;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 0.18em;
  padding: 5px 12px;
}
.pdp-info .kicker { margin-bottom: 10px; }
.pdp-info h1 {
  font-family: var(--font-mincho);
  font-size: clamp(24px, 3vw, 36px);
  letter-spacing: 0.06em;
  margin: 0 0 12px;
  line-height: 1.45;
  font-weight: 500;
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.pdp-info .price { display: block; margin: 8px 0 18px; }
.pdp-lead {
  color: var(--muted);
  margin: 0 0 24px;
}
.pdp-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 18px; }
.pdp-meta {
  font-size: 12px;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.pdp-meta a { text-decoration: underline; text-underline-offset: 3px; }

.tabs {
  margin-top: 72px;
}
.tab-nav {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--line-soft);
}
.tab-nav button {
  padding: 12px 22px;
  letter-spacing: 0.12em;
  font-size: 13px;
  color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tab-nav button.is-active {
  color: var(--ink);
  border-bottom-color: var(--gold);
}
.tab-panel { display: none; padding: 32px 0 0; }
.tab-panel.is-active { display: block; }
.desc-block {
  background: #fff;
  border-radius: 20px;
  padding: 36px 36px 28px;
  max-width: 760px;
}
.desc-block p { margin: 0 0 1em; }
.desc-block .lead {
  font-family: var(--font-mincho);
  font-size: 18px;
  line-height: 1.9;
}
.reviews-empty { color: var(--muted); }

.related { margin-top: 80px; }
.related .product-grid { grid-template-columns: repeat(3, 1fr); }
.related h2 {
  font-family: var(--font-mincho);
  font-size: 28px;
  letter-spacing: 0.12em;
  text-align: center;
  margin: 0 0 32px;
  font-weight: 500;
}

/* ========== Company / Contact / Blog ========== */
.plain-card {
  background: #fff;
  border-radius: 24px;
  padding: clamp(32px, 5vw, 56px);
  box-shadow: 0 16px 40px rgba(16,16,16,0.05);
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  font-size: 16px;
  line-height: 2.1;
}
.contact-mail {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--gold-3);
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--gold);
}
.blog-list {
  display: grid;
  gap: 18px;
}
.blog-item {
  background: #fff;
  border-radius: 18px;
  padding: 28px 28px 24px;
  box-shadow: 0 10px 24px rgba(16,16,16,0.04);
}
.blog-item time {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold-3);
}
.blog-item h2 {
  font-size: 20px;
  margin: 8px 0 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.55;
}
.blog-item p { margin: 0 0 12px; color: var(--muted); }
.blog-item .meta {
  font-size: 12px;
  color: var(--muted-2);
}

/* ========== Reveal ========== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  animation: rise 0.8s ease forwards;
}
.reveal-d1 { animation-delay: 0.08s; }
.reveal-d2 { animation-delay: 0.16s; }
.reveal-d3 { animation-delay: 0.24s; }
.reveal-d4 { animation-delay: 0.32s; }
@keyframes rise {
  to { opacity: 1; transform: none; }
}

/* ========== Responsive ========== */
@media (max-width: 1100px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .features-layout { grid-template-columns: 1fr; }
  .feat-visual { order: -1; }
  .feat-visual img { width: 180px; }
  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    inset: 0;
    background: rgba(10,10,10,0.96);
    flex-direction: column;
    justify-content: center;
    gap: 22px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    z-index: 85;
  }
  .nav.is-open { transform: none; }
  .nav a { font-size: 18px; letter-spacing: 0.2em; }
  .nav-tools { flex-direction: column; margin-left: 0; margin-top: 8px; width: min(260px, 80%); }
  .nav-select, .nav-select select, .nav-mobile-btn { width: 100%; }
  .benefits-grid,
  .pdp-grid,
  .faq-grid { grid-template-columns: 1fr; }
  .tl::before { left: 18px; }
  .tl-item { grid-template-columns: 36px 1fr; }
  .tl-date { grid-column: 2; text-align: left; padding: 0; }
  .tl-dot { grid-row: 1 / span 2; margin: 6px 0 0; }
  .hero-content { padding-bottom: 64px; }
  .header-inner { width: calc(100% - 24px); }
}

@media (max-width: 860px) {
  .hero-title {
    font-size: clamp(12px, 4.4vw, 20px);
    letter-spacing: 0.03em;
    line-height: 1.35;
    white-space: nowrap;
  }
  .benefits .section-head h2 {
    font-size: clamp(13px, 5vw, 22px);
    letter-spacing: 0.04em;
    line-height: 1.35;
    white-space: nowrap;
  }
}

@media (max-width: 560px) {
  .product-grid { grid-template-columns: 1fr; }
  .product-card h3 { min-height: 0; }
  .hero-title {
    font-size: clamp(11px, 4.2vw, 16px);
    letter-spacing: 0.02em;
    line-height: 1.3;
    white-space: nowrap;
  }
  .benefits .section-head h2 {
    font-size: clamp(12px, 4.8vw, 18px);
    letter-spacing: 0.03em;
    line-height: 1.3;
    white-space: nowrap;
  }
  .desc-block { padding: 24px 20px; }
  .thumbs { grid-template-columns: repeat(4, 1fr); }
  .plain-card { text-align: left; letter-spacing: 0.01em; }
}

@media (max-width: 860px) {
  .purpose-copy.purpose-pc { display: none; }
  .purpose-copy.purpose-sp { display: block; }
  .faq-grid.faq-pc { display: none; }
  .faq-grid.faq-sp { display: grid; }
  body,
  .hero-lead,
  .purpose-copy p,
  .purpose-copy p:first-child,
  .feat p,
  .faq-card p,
  .benefit-list li,
  .section-head p,
  .plain-card,
  .desc-block,
  .pdp-lead,
  .tl-card h3 {
    font-size: var(--copy-size, 11px);
    line-height: 1.7;
  }
}

.yt-overlay {
  position: fixed;
  inset: 0;
  z-index: 220;
  background: rgba(0, 0, 0, 0.82);
  display: grid;
  place-items: center;
  padding: 20px;
}
.yt-dialog {
  width: min(920px, 100%);
  position: relative;
}
.yt-close {
  position: absolute;
  top: -44px;
  right: 0;
  color: #f3ead8;
  border: 1px solid rgba(196, 161, 90, 0.45);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.12em;
  background: rgba(16, 16, 16, 0.85);
}
.yt-frame {
  position: relative;
  width: 100%;
  padding-top: 56.25%;
  background: #000;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
}
.yt-frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img { animation: none; }
  .reveal { animation: none; opacity: 1; transform: none; }
}