/* =========================================================
   La li'a — Landing Page
   高級メンズスキンケア / 漆黒 × 明朝 × プラチナ
   ========================================================= */

:root {
  --black: #0a0a0b;
  --black-2: #101012;
  --ink: #16161a;
  --white: #ffffff;
  --paper: #f6f4f1;
  --paper-2: #eceae5;
  --text: #1a1a1c;
  --text-sub: #6a6a70;
  --text-light: rgba(255, 255, 255, 0.72);
  --line-d: rgba(255, 255, 255, 0.16);
  --line-l: rgba(20, 20, 25, 0.14);

  /* プラチナ／シャンパンゴールド */
  --gold: #c6a86b;
  --gold-2: #e6d3a8;
  --platinum: linear-gradient(135deg, #d9d3c6 0%, #f3efe6 25%, #b3ab99 55%, #efe9dc 80%, #c9c2b2 100%);
  --gold-grad: linear-gradient(135deg, #b8965a 0%, #e8d5a9 45%, #c6a86b 70%, #f0e2c0 100%);

  --header-h: 76px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);

  --mincho: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Hiragino Mincho Pro",
    "Noto Serif JP", "Times New Roman", serif;
  --gothic: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic Medium",
    "Noto Sans JP", "Segoe UI", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--paper);
  color: var(--text);
  font-family: var(--gothic);
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img, svg { max-width: 100%; display: block; }

.inner { width: min(1120px, 88%); margin-inline: auto; }
.inner--narrow { width: min(760px, 88%); }
.center { text-align: center; }
.pc-only { display: inline; }
.sp-only { display: none; }

/* ---------- Typography ---------- */
.label {
  font-family: var(--gothic);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.34em;
  color: var(--gold);
  margin-bottom: 26px;
}
.label--light { color: var(--gold-2); }

.heading {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(1.5rem, 3.4vw, 2.35rem);
  line-height: 1.85;
  letter-spacing: 0.14em;
}
.heading--left { text-align: left; }

.rule {
  width: 40px;
  height: 1px;
  background: var(--gold);
  margin: 34px auto;
  opacity: 0.8;
}
.rule--left { margin-inline: 0; }

.body {
  font-size: 0.9rem;
  line-height: 2.4;
  color: var(--text-sub);
  margin-bottom: 22px;
}
.body--left { text-align: left; }

.section--dark .body { color: var(--text-light); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 17px 44px;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  border-radius: 2px;
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease),
    background 0.4s var(--ease), color 0.4s var(--ease);
  position: relative;
  overflow: hidden;
}
.btn--gold {
  background: var(--gold-grad);
  color: #241c0c;
  box-shadow: 0 10px 34px rgba(198, 168, 107, 0.24);
}
.btn--gold::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -60%;
  width: 45%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.75), transparent);
  transform: skewX(-20deg);
  transition: left 0.7s var(--ease);
}
.btn--gold:hover::after { left: 115%; }
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 14px 40px rgba(198, 168, 107, 0.36); }

.btn--line {
  border: 1px solid var(--line-d);
  color: var(--white);
}
.btn--line:hover { border-color: var(--gold); color: var(--gold-2); }

.btn--sm { padding: 12px 26px; font-size: 0.72rem; letter-spacing: 0.16em; }
.btn--block { width: 100%; }

/* =========================================================
   HEADER
   ========================================================= */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  z-index: 200;
  transition: background 0.5s var(--ease), height 0.5s var(--ease),
    border-color 0.5s var(--ease);
  border-bottom: 1px solid transparent;
}
.header.is-scrolled {
  height: 62px;
  background: rgba(10, 10, 11, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line-d);
}

.header__inner {
  height: 100%;
  width: min(1240px, 92%);
  margin-inline: auto;
  display: flex;
  align-items: center;
  gap: 30px;
}

.logo { display: flex; align-items: center; }
.logo__mark {
  font-family: var(--mincho);
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  color: var(--white);
  line-height: 1;
}
/* ロゴは全部同じ色にする。アポストロフィだけ色を変えない */
.logo__apos { color: inherit; }

.nav {
  margin-left: auto;
  display: flex;
  gap: 26px;
  /* 日本語メニューは英字より横幅を取るため、字間を詰めてサイズを少し上げる */
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
}
.nav a { position: relative; padding-bottom: 4px; transition: color 0.3s; }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.45s var(--ease);
}
.nav a:hover { color: var(--white); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

/* burger */
.burger {
  display: none;
  width: 40px; height: 40px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  margin-left: auto;
}
.burger span {
  position: absolute;
  left: 8px;
  width: 24px; height: 1px;
  background: var(--white);
  transition: transform 0.4s var(--ease), opacity 0.3s;
}
.burger span:nth-child(1) { top: 17px; }
.burger span:nth-child(2) { top: 23px; }
.burger.is-open span:nth-child(1) { transform: translateY(3px) rotate(45deg); }
.burger.is-open span:nth-child(2) { transform: translateY(-3px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 0;
  z-index: 190;
  background: rgba(10, 10, 11, 0.97);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.drawer[hidden] { display: none; }
.drawer.is-open { opacity: 1; }
.drawer nav { display: flex; flex-direction: column; gap: 26px; text-align: center; }
.drawer a {
  font-family: var(--mincho);
  font-size: 1.15rem;
  letter-spacing: 0.14em;
  color: var(--white);
}
.drawer small {
  display: block;
  font-family: var(--gothic);
  font-size: 0.55rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 6px;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100svh;
  background: var(--black);
  color: var(--white);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 90px;
}
.hero__glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(760px 620px at 74% 42%, rgba(198, 168, 107, 0.20), transparent 66%),
    radial-gradient(620px 520px at 12% 88%, rgba(120, 120, 140, 0.16), transparent 70%);
}
.hero__glow::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,0.022) 0 1px, transparent 1px 3px);
  opacity: 0.5;
}

.hero__inner {
  position: relative;
  z-index: 2;
  /* 写真を大きく見せるため、他のセクションより横幅を広くとっている */
  width: min(1240px, 92%);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 40px;
}
/* PCでは左列にコピー、その下にボタン、右列に写真を縦2行ぶん通す。
   スマホでは1列に崩れ、DOM順どおり 見出し → 写真 → ボタン になる */
.hero__copy   { grid-column: 1; grid-row: 1; align-self: end; }
.hero__cta    { grid-column: 1; grid-row: 2; align-self: start; }
.hero__visual { grid-column: 2; grid-row: 1 / span 2; }

.hero h1 {
  font-family: var(--mincho);
  font-weight: 400;
  /* 「守って、育てる。」(8文字) が左カラム内で折り返さない上限に合わせている。
     コピーを長いものに変えるときはサイズも見直すこと */
  font-size: clamp(2.4rem, 4.8vw, 3.8rem);
  line-height: 1.42;
  letter-spacing: 0.13em;
  margin-bottom: 34px;
  white-space: nowrap;
}
.hero h1 span { display: block; }
/* 2行目は文字数が多いので、1行に収まるようひと回り小さく */
.hero h1 .h1-sub { font-size: 0.6em; letter-spacing: 0.11em; margin-top: 6px; }
.hero h1 span:last-child {
  background: var(--platinum);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero__lead {
  font-size: 0.95rem;
  line-height: 2.4;
  color: var(--text-light);
  margin-bottom: 44px;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__note {
  margin-top: 26px;
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.45);
}

/* --- ヒーロー写真 --- */
.hero__visual { display: flex; justify-content: center; }

.hero__photo {
  width: 100%;
  max-width: 560px;
  height: auto;
  border-radius: 2px;
  /* 四角のまま、縁だけを少しぼかして黒背景となじませる。
     左右用と上下用の2枚のグラデーションを重ね、交差部分だけを残している */
  -webkit-mask-image:
    linear-gradient(to right,  transparent 0, #000 7%, #000 93%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 7%, #000 93%, transparent 100%);
  mask-image:
    linear-gradient(to right,  transparent 0, #000 7%, #000 93%, transparent 100%),
    linear-gradient(to bottom, transparent 0, #000 7%, #000 93%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
}

/* --- ボトル (CSS描画。実写が無いときの代替) --- */

.bottle {
  position: relative;
  width: 190px;
  filter: drop-shadow(0 40px 60px rgba(0, 0, 0, 0.6));
  animation: float 7s ease-in-out infinite;
}
.bottle--sm { width: 150px; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.bottle__cap {
  width: 74px; height: 60px;
  margin: 0 auto;
  border-radius: 4px 4px 2px 2px;
  background: var(--platinum);
  box-shadow: inset 0 -6px 12px rgba(0,0,0,0.28), inset 0 4px 6px rgba(255,255,255,0.6);
  position: relative;
}
.bottle__cap::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 5px;
  background: linear-gradient(90deg, #8e8878, #d8d2c4, #8e8878);
}
.bottle__neck {
  width: 52px; height: 16px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255,255,255,0.16), rgba(255,255,255,0.05));
  border-inline: 1px solid rgba(255,255,255,0.18);
}
.bottle__body {
  position: relative;
  height: 250px;
  border-radius: 8px 8px 12px 12px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.14), rgba(255,255,255,0.05) 45%, rgba(255,255,255,0.11)),
    linear-gradient(100deg, rgba(24,24,30,0.9), rgba(46,46,56,0.75));
  border: 1px solid rgba(255,255,255,0.2);
  overflow: hidden;
  backdrop-filter: blur(2px);
}
.bottle--sm .bottle__body { height: 200px; }

.bottle__shine {
  position: absolute;
  top: 0; left: 12%;
  width: 22%; height: 100%;
  background: linear-gradient(90deg, rgba(255,255,255,0.30), rgba(255,255,255,0.02));
  filter: blur(3px);
}
.bottle__label {
  position: absolute;
  inset: 50% 0 auto 0;
  transform: translateY(-50%);
  text-align: center;
  padding: 20px 0;
}
.bottle__brand {
  display: block;
  font-family: var(--mincho);
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  background: var(--platinum);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.bottle__rule {
  display: block;
  width: 26px; height: 1px;
  background: var(--gold);
  margin: 12px auto;
  opacity: 0.85;
}
.bottle__type {
  display: block;
  font-size: 0.48rem;
  letter-spacing: 0.28em;
  line-height: 1.9;
  color: rgba(255,255,255,0.62);
}
.bottle__reflection {
  width: 130px; height: 26px;
  margin: 18px auto 0;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(198,168,107,0.30), transparent 72%);
  filter: blur(7px);
}

/* scroll cue */
.scroll-cue {
  position: absolute;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  z-index: 3;
  font-size: 0.53rem;
  letter-spacing: 0.32em;
  color: rgba(255,255,255,0.45);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.scroll-cue span {
  width: 1px; height: 52px;
  background: linear-gradient(180deg, transparent, var(--gold));
  animation: cue 2.4s ease-in-out infinite;
  transform-origin: top;
}
@keyframes cue {
  0% { transform: scaleY(0); opacity: 0; }
  40% { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =========================================================
   MARQUEE
   ========================================================= */
.marquee {
  background: var(--black);
  border-block: 1px solid var(--line-d);
  overflow: hidden;
  padding: 15px 0;
}
.marquee__track {
  display: flex;
  gap: 34px;
  white-space: nowrap;
  width: max-content;
  animation: slide 38s linear infinite;
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  color: rgba(255,255,255,0.42);
}
.marquee__track span:nth-child(even) { color: var(--gold); }
@keyframes slide {
  to { transform: translateX(-50%); }
}

/* =========================================================
   SECTIONS
   ========================================================= */
.section { padding: 130px 0; background: var(--paper); }
.section--dark {
  background: var(--black-2);
  color: var(--white);
  position: relative;
}
.section--dark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(620px 420px at 50% 0%, rgba(198,168,107,0.08), transparent 70%);
  pointer-events: none;
}
.section--dark > .inner { position: relative; z-index: 1; }

/* ---------- PROBLEM ---------- */
.problems {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 46px;
  margin: 60px auto 0;
  max-width: 860px;
}
.problems li {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 22px 4px;
  border-bottom: 1px solid var(--line-l);
  font-size: 0.92rem;
  font-family: var(--mincho);
  letter-spacing: 0.1em;
}
.problems__no {
  font-family: var(--gothic);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  color: var(--gold);
  flex: none;
}
.problems__answer {
  text-align: center;
  margin-top: 60px;
  font-family: var(--mincho);
  font-size: clamp(1.1rem, 2.6vw, 1.6rem);
  letter-spacing: 0.16em;
}
.problems__answer b {
  font-weight: 500;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 4px;
}

/* ---------- REASON ---------- */
.reasons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 74px;
  background: var(--line-d);
  border: 1px solid var(--line-d);
}
/* 4項目のときは2×2に。3列だと最後の1枚が余って間延びする */
.reasons--4 { grid-template-columns: repeat(2, 1fr); }

/* CONCEPT の導入文。本文より少し大きく、金色で立たせる */
.concept__lead {
  font-family: var(--mincho);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
  letter-spacing: 0.1em;
  line-height: 1.9;
  color: var(--gold-2);
  margin-bottom: 30px;
}

/* 薬機法の注記。小さく、ただし読める濃さで */
.notes {
  margin-top: 34px;
  padding: 0;
  list-style: none;
  font-size: 0.68rem;
  line-height: 1.95;
  color: var(--text-light);
}
.notes li { text-indent: -1em; padding-left: 1em; }
.reason {
  background: var(--black-2);
  padding: 52px 36px 46px;
  display: flex;
  flex-direction: column;
  transition: background 0.5s var(--ease);
}
.reason:hover { background: #16161a; }
.reason__no {
  font-size: 0.62rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 26px;
}
.reason__title {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: 1.22rem;
  line-height: 1.85;
  letter-spacing: 0.1em;
  margin-bottom: 22px;
}
.reason__text {
  font-size: 0.84rem;
  line-height: 2.25;
  color: var(--text-light);
  flex: 1;
}
.reason__figure {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid var(--line-d);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.reason__figure span {
  font-family: var(--mincho);
  font-size: 2.6rem;
  line-height: 1;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.reason__figure small {
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.5);
}

/* ---------- INGREDIENT ---------- */
.ingredient {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  align-items: center;
  gap: 76px;
}
.ingredient__visual { display: flex; justify-content: center; }
.drop {
  position: relative;
  width: 260px; height: 260px;
  display: grid;
  place-items: center;
}
.drop__core {
  width: 120px; height: 120px;
  border-radius: 52% 48% 50% 50% / 46% 46% 54% 54%;
  background:
    radial-gradient(circle at 34% 28%, rgba(255,255,255,0.95), rgba(240,226,192,0.55) 40%, rgba(198,168,107,0.5) 70%);
  box-shadow: 0 18px 46px rgba(198,168,107,0.34), inset 0 -8px 20px rgba(150,120,60,0.3);
  animation: morph 8s ease-in-out infinite;
}
@keyframes morph {
  0%, 100% { border-radius: 52% 48% 50% 50% / 46% 46% 54% 54%; transform: rotate(0deg); }
  50% { border-radius: 46% 54% 56% 44% / 52% 48% 52% 48%; transform: rotate(8deg); }
}
.drop__ring {
  position: absolute;
  width: 190px; height: 190px;
  border: 1px solid rgba(198,168,107,0.45);
  border-radius: 50%;
  animation: pulse 4.5s ease-out infinite;
}
.drop__ring--2 { width: 240px; height: 240px; animation-delay: 1.4s; }
@keyframes pulse {
  0% { transform: scale(0.85); opacity: 0.7; }
  100% { transform: scale(1.12); opacity: 0; }
}

.spec { margin-top: 40px; border-top: 1px solid var(--line-l); }
.spec > div {
  display: flex;
  gap: 20px;
  padding: 17px 2px;
  border-bottom: 1px solid var(--line-l);
  font-size: 0.82rem;
}
.spec dt {
  width: 140px;
  flex: none;
  letter-spacing: 0.14em;
  color: var(--text-sub);
  font-size: 0.72rem;
}
.spec dd { font-family: var(--mincho); letter-spacing: 0.08em; }

/* ---------- HOW TO USE ---------- */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 46px;
  margin-top: 74px;
}
.step { position: relative; padding-top: 32px; border-top: 1px solid var(--line-d); }
.step__no {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 20px;
}
.step h3 {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: 0.12em;
  margin-bottom: 18px;
}
.step p { font-size: 0.84rem; line-height: 2.25; color: var(--text-light); }

/* ---------- VOICE ---------- */
.voices {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
  margin-top: 70px;
}
/* レビューが2件のとき。3列のままだと右が空いて間延びする */
.voices--2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 860px;
  margin-inline: auto;
}
.voice {
  background: var(--white);
  border: 1px solid var(--line-l);
  padding: 44px 32px 34px;
  position: relative;
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.voice:hover { transform: translateY(-5px); box-shadow: 0 22px 50px rgba(20,20,30,0.09); }
.voice::before {
  content: "“";
  position: absolute;
  top: 14px; left: 26px;
  font-family: var(--mincho);
  font-size: 3rem;
  line-height: 1;
  color: var(--gold);
  opacity: 0.45;
}
.voice blockquote {
  font-family: var(--mincho);
  font-size: 0.92rem;
  line-height: 2.35;
  letter-spacing: 0.08em;
  margin-bottom: 26px;
}
.voice figcaption {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--text-sub);
  padding-top: 18px;
  border-top: 1px solid var(--line-l);
  display: flex;
  align-items: center;
  gap: 12px;
}
.voice__sns {
  display: block;
  margin-top: 5px;
  font-size: 0.63rem;
  letter-spacing: 0.08em;
  line-height: 1.9;
  color: var(--text-sub);
  opacity: 0.85;
}
/* 顔写真。小さめの丸で、名前の左に置く */
.voice__face {
  width: 40px;
  height: 40px;
  flex: none;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line-l);
}
.voice__age { color: var(--gold); font-weight: 600; }
.voices__note {
  margin-top: 26px;
  font-size: 0.66rem;
  color: var(--text-sub);
  text-align: center;
}

/* ---------- PRODUCT ---------- */

/* 商品写真 */
.pshot {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--black);
  border: 1px solid rgba(198,168,107,0.2);
}

/* 画像が未設置のときの代替表示（script.js が差し込む） */
.ph {
  aspect-ratio: 1 / 1;
  width: 100%;
  display: grid;
  place-items: center;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)),
    var(--black);
  border: 1px dashed rgba(198,168,107,0.34);
}
.ph span {
  font-size: 0.6rem;
  letter-spacing: 0.32em;
  color: rgba(198,168,107,0.6);
}

/* バッジ */
.badge {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.61rem;
  letter-spacing: 0.18em;
  border: 1px solid var(--line-d);
  color: var(--text-light);
}
.badge--gold {
  border-color: transparent;
  background: var(--gold-grad);
  color: #241d10;
  font-weight: 700;
}
/* 割引率は購入判断に直結するので、他のバッジより一段大きく見せる */
.badge--off {
  padding: 7px 16px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--gold-2);
  border-color: var(--gold);
  background: rgba(198,168,107,0.12);
}

/* おすすめセット */
.pset {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  align-items: center;
  gap: 64px;
  margin-top: 74px;
  padding: 56px;
  border: 1px solid rgba(198,168,107,0.32);
  background:
    radial-gradient(720px 340px at 15% 0%, rgba(198,168,107,0.09), transparent 68%),
    var(--black);
}
.pset__media img { width: 100%; height: auto; }
.pset__flags { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 24px; }
.pset__name {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: clamp(1.5rem, 3vw, 2.05rem);
  line-height: 1.7;
  letter-spacing: 0.09em;
  margin-bottom: 22px;
}
.pset__lead {
  font-size: 0.85rem;
  line-height: 2.2;
  color: var(--text-light);
}
.pset__lead strong {
  color: var(--gold-2);
  font-weight: 400;
}
/* 定期便の条件表示。特商法上、価格のすぐ下から動かさないこと */
.pset__subnote {
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--line-d);
  border-radius: 2px;
  font-size: 0.72rem;
  line-height: 1.95;
  color: var(--text-light);
}
.pset__subnote strong {
  color: var(--gold-2);
  font-weight: 400;
}
.pset__items {
  margin-top: 28px;
  border-top: 1px solid var(--line-d);
}
.pset__items li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--line-d);
}
.pset__items-name {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  position: relative;
  padding-left: 17px;
}
/* 「特典」バッジ。マスク2枚は単品合計に含めていないことを示す */
.pset__items-gift {
  display: inline-block;
  margin-left: 9px;
  padding: 2px 7px;
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--gold-2);
  border: 1px solid rgba(198,168,107,0.5);
  border-radius: 2px;
  vertical-align: 0.12em;
}
.pset__items-name::before {
  content: "";
  position: absolute;
  left: 0; top: 0.62em;
  width: 7px; height: 1px;
  background: var(--gold);
}
.pset__items-spec {
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
}

/* 単品見出し */
.psingle-head {
  margin-top: 96px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-d);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
}
.psingle-head__title {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: 1.2rem;
  letter-spacing: 0.12em;
}
.psingle-head__note {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.5);
}

/* 単品カード */
.pgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line-d);
  border: 1px solid var(--line-d);
  border-top: none;
}
.pcard {
  background: var(--black-2);
  padding: 34px 28px 32px;
  display: flex;
  flex-direction: column;
  transition: background 0.5s var(--ease);
}
.pcard:hover { background: #16161a; }
.pcard__media { margin-bottom: 26px; }
.pcard__media img { width: 100%; height: auto; }
.pcard__body { display: flex; flex-direction: column; flex: 1; }
.pcard__cat {
  font-size: 0.6rem;
  letter-spacing: 0.24em;
  color: var(--gold);
  margin-bottom: 14px;
}
.pcard__name {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: 1.06rem;
  line-height: 1.8;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}
.pcard__spec {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 22px;
}
/* 都度購入。定期便を主役にするため控えめに置く */
.pcard__once {
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--text-light);
  margin-top: auto;
  padding-bottom: 7px;
}
.pcard__once small {
  font-size: 0.55rem;
  letter-spacing: 0.12em;
  margin-left: 5px;
  opacity: 0.6;
}
/* 定期便。こちらを一番大きく、ゴールドで見せる */
.pcard__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 2px 8px;
  font-family: var(--mincho);
  font-size: 1.32rem;
  letter-spacing: 0.06em;
  color: var(--gold-2);
  padding-bottom: 18px;
}
.pcard__off {
  /* 価格はベースライン揃えなので、枠付きの小箱だけ中央に合わせる */
  align-self: center;
  font-family: var(--gothic);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--gold-2);
  border: 1px solid var(--gold);
  background: rgba(198,168,107,0.12);
  padding: 2px 7px;
}
/* 1枚あたりの金額。価格の下に続くので、下の余白を価格から引き継ぐ */
.pcard__price:has(+ .pcard__unit) { padding-bottom: 4px; }
.pcard__unit {
  font-family: var(--gothic);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-light);
  opacity: 0.75;
  padding-bottom: 18px;
}
.pcard__unit small { font-size: 0.52rem; margin-left: 4px; opacity: 0.7; }
.pcard__tag {
  align-self: center;
  font-family: var(--gothic);
  font-size: 0.56rem;
  letter-spacing: 0.16em;
  color: var(--gold-2);
  border: 1px solid currentColor;
  border-radius: 1px;
  padding: 3px 7px;
  align-self: center;
}
.pcard__price small {
  font-family: var(--gothic);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  color: var(--text-light);
  opacity: 0.7;
}
/* 定期便の条件。単品3点ぶんをまとめて満たす注記 */
.pgrid__note {
  margin-top: 30px;
  text-align: center;
  font-size: 0.72rem;
  line-height: 2;
  color: var(--text-light);
}
.pgrid__note strong {
  color: var(--gold-2);
  font-weight: 400;
}

.price { margin: 40px 0 32px; border-top: 1px solid var(--line-d); }
.price__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--line-d);
}
.price__name { font-size: 0.8rem; letter-spacing: 0.12em; color: var(--text-light); }
/* 「¥10,164おトク」が金額と単位で分断されないようにする */
.price__name small { font-size: 0.66rem; opacity: 0.65; margin-left: 6px; white-space: nowrap; }
.price__value {
  font-family: var(--mincho);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.price__value small {
  font-family: var(--gothic);
  font-size: 0.6rem;
  letter-spacing: 0.14em;
  margin-left: 7px;
  opacity: 0.6;
}
.price__row--main .price__value {
  font-size: 2.1rem;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.price__row--main .price__name { color: var(--white); }
/* opacity を持つ子は background-clip:text の外に出て透明のまま消えるため、色を明示する */
.price__row--main .price__value small {
  opacity: 1;
  color: rgba(255,255,255,0.5);
  -webkit-text-fill-color: rgba(255,255,255,0.5);
}
/* 都度購入は現在も販売中の価格。取り消し線は「もう買えない旧価格」に見えるため引かない
   （単品カードの .pcard__once と同じ扱い）。控えめな文字色だけで主役の定期便と差をつける */
.price__value--was {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.44);
}

.assurance {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 24px;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.55);
}
.assurance--center { justify-content: center; margin-top: 44px; }
.assurance li { display: flex; align-items: center; gap: 7px; }
.assurance li::before {
  content: "";
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ---------- FAQ ---------- */
.faq { margin-top: 60px; border-top: 1px solid var(--line-l); }
.faq details { border-bottom: 1px solid var(--line-l); }
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 26px 44px 26px 2px;
  position: relative;
  font-family: var(--mincho);
  font-size: 0.98rem;
  letter-spacing: 0.1em;
  transition: color 0.3s;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary:hover { color: var(--gold); }
.faq summary::before,
.faq summary::after {
  content: "";
  position: absolute;
  right: 6px; top: 50%;
  background: var(--gold);
  transition: transform 0.4s var(--ease);
}
.faq summary::before { width: 13px; height: 1px; transform: translateY(-50%); }
.faq summary::after { width: 1px; height: 13px; right: 12px; transform: translateY(-50%); }
.faq details[open] summary::after { transform: translateY(-50%) rotate(90deg); }
.faq details p {
  padding: 0 30px 30px 2px;
  font-size: 0.85rem;
  line-height: 2.3;
  color: var(--text-sub);
}

/* ---------- CLOSING ---------- */
.closing {
  position: relative;
  background: var(--black);
  color: var(--white);
  padding: 150px 0;
  overflow: hidden;
  text-align: center;
}
.closing__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(680px 420px at 50% 55%, rgba(198,168,107,0.20), transparent 68%);
}
.closing .inner { position: relative; z-index: 1; }
.closing__title {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: clamp(1.7rem, 4.4vw, 3rem);
  line-height: 1.75;
  letter-spacing: 0.16em;
  margin-bottom: 52px;
}

/* ---------- FOOTER ---------- */
.footer {
  background: var(--black);
  color: rgba(255,255,255,0.6);
  padding: 74px 0 34px;
  border-top: 1px solid var(--line-d);
  font-size: 0.76rem;
}
.footer__inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 46px;
  border-bottom: 1px solid var(--line-d);
}
.footer__brand .logo__mark { font-size: 1.5rem; }
.footer__brand p { margin-top: 12px; letter-spacing: 0.12em; }
.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  align-items: flex-start;
  letter-spacing: 0.12em;
}
.footer__nav a { transition: color 0.3s; }
.footer__nav a:hover { color: var(--gold); }
.footer__copy {
  text-align: center;
  margin-top: 28px;
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  color: rgba(255,255,255,0.35);
}

/* ---------- STICKY CTA ---------- */
.sticky-cta {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 180;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 18px calc(12px + env(safe-area-inset-bottom));
  background: rgba(10, 10, 11, 0.94);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-d);
  transform: translateY(110%);
  transition: transform 0.5s var(--ease);
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__text { display: flex; flex-direction: column; line-height: 1.5; }
.sticky-cta__text span {
  font-size: 0.6rem;
  letter-spacing: 0.16em;
  color: rgba(255,255,255,0.6);
}
.sticky-cta__text strong {
  font-family: var(--mincho);
  font-weight: 400;
  font-size: 1.3rem;
  background: var(--gold-grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}
.sticky-cta__text small {
  font-family: var(--gothic);
  font-size: 0.55rem;
  margin-left: 5px;
  -webkit-text-fill-color: rgba(255,255,255,0.5);
}

/* =========================================================
   FADE IN
   ========================================================= */
.fade {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.fade.is-in { opacity: 1; transform: none; }
.fade--d1 { transition-delay: 0.12s; }
.fade--d2 { transition-delay: 0.24s; }
.fade--d3 { transition-delay: 0.36s; }

/* ヒーローはスクロールを待たずに動き出すが、動き自体はゆっくり見せる。
   見出し → リード・写真 → ボタン の順に、間を置いて浮かび上がる */
.hero .fade { transition-duration: 1.5s; }
.hero .fade--d1 { transition-delay: 0.4s; }
.hero .fade--d2 { transition-delay: 0.8s; }
.hero .fade--d3 { transition-delay: 1.7s; transition-duration: 2.1s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade { opacity: 1; transform: none; transition: none; }
  .bottle, .drop__core, .drop__ring, .marquee__track, .scroll-cue span { animation: none; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1000px) {
  .nav { display: none; }
  .header .btn--gold { display: none; }
  .burger { display: block; }
  .hero__inner { grid-template-columns: 1fr; text-align: center; gap: 54px; }
  /* 1列のときは .hero__inner の gap だけで間隔を作る。
     リード下のマージンが残ると、写真の上だけ広くなる */
  .hero__lead { margin-bottom: 0; }
  /* 1列に戻す。配置指定を解除してDOM順に並べる */
  .hero__copy, .hero__cta, .hero__visual { grid-column: auto; grid-row: auto; }
  .hero__actions { justify-content: center; }
  .hero__actions { justify-content: center; }
  .ingredient { grid-template-columns: 1fr; gap: 54px; }
  .heading--left, .body--left { text-align: center; }
  .rule--left { margin-inline: auto; }
  .ingredient__copy .label { text-align: center; }
  .spec dt { width: 110px; }
  .reasons, .reasons--4 { grid-template-columns: 1fr; }
  .pset { grid-template-columns: 1fr; gap: 44px; padding: 44px 34px; }
  /* width:100% は必須。auto margin だけだと grid/flex 項目が縮んで潰れる */
  .pset__media { width: 100%; max-width: 380px; margin-inline: auto; }
  .pgrid { grid-template-columns: 1fr; border-top: 1px solid var(--line-d); }
  .pcard__media { width: 100%; max-width: 320px; margin-inline: auto; }
  .steps { grid-template-columns: 1fr; gap: 34px; }
  .voices { grid-template-columns: 1fr; }
  .assurance { justify-content: center; }
}

@media (max-width: 640px) {
  body { font-size: 14px; }
  .section { padding: 88px 0; }

  /* ヒーローを1画面に収める */
  .hero { padding: calc(var(--header-h) + 18px) 0 86px; }
  /* 流れるテロップ（BEAUTY INGREDIENTS 97% ほか）はスマホでは出さない */
  .marquee { display: none; }
  .hero__inner { gap: 30px; }
  .hero h1 { font-size: clamp(1.9rem, 9.6vw, 2.25rem); margin-bottom: 24px; }
  .hero__lead { margin-bottom: 0; font-size: 0.88rem; line-height: 2.15; }
  /* 写真の高さだけ抑えて、金色のボタンの頭が初期表示に覗くようにする。
     余白・文字サイズは変えない（詰めると高級感が落ちるため） */
  .hero__photo { max-height: 46svh; width: auto; }
  .hero__actions { gap: 10px; }
  .hero__actions .btn { padding: 13px 30px; font-size: 0.74rem; }
  .hero__note { margin-top: 18px; font-size: 0.63rem; }
  .hero .bottle { width: 128px; }
  .hero .bottle__cap { width: 52px; height: 40px; }
  .hero .bottle__neck { width: 36px; height: 12px; }
  .hero .bottle__body { height: 168px; }
  .hero .bottle__brand { font-size: 0.95rem; }
  .hero .bottle__rule { margin: 9px auto; }
  .hero .bottle__type { font-size: 0.4rem; }
  .hero .bottle__reflection { width: 90px; height: 18px; margin-top: 12px; }
  .scroll-cue { bottom: 18px; }
  .scroll-cue span { height: 36px; }

  .problems { grid-template-columns: 1fr; gap: 0; }
  .problems li { font-size: 0.86rem; }
  .pc-only { display: none; }
  .sp-only { display: inline; }
  .sticky-cta { display: flex; }
  .footer { padding-bottom: 100px; }
  .footer__inner { flex-direction: column; gap: 28px; }
  .closing { padding: 110px 0; }
  /* 「大人のためのスキンケア。」を折り返さず2行に収める */
  .closing__title {
    font-size: clamp(1.2rem, 6vw, 1.7rem);
    letter-spacing: 0.12em;
  }
  .reason { padding: 40px 26px 36px; }
  .price__row--main .price__value { font-size: 1.8rem; }
  /* 幅が足りないので、おトク額はラベルの下に置く */
  .price__name small { display: block; margin-left: 0; margin-top: 3px; }
  .pset { padding: 36px 22px; margin-top: 54px; }
  /* 「トータルスキンケアセット」が3行に折り返さないよう、
     文字サイズと字間をこの幅に合わせている */
  .pset__name { font-size: 1.3rem; letter-spacing: 0.03em; }
  .badge--off { font-size: 0.72rem; padding: 6px 13px; }
  .pset__items li { flex-direction: column; gap: 3px; }
  .pset__items-spec { padding-left: 17px; }
  .psingle-head { margin-top: 68px; }
  .pcard { padding: 30px 22px 28px; }
  .spec > div { flex-direction: column; gap: 4px; }
  .spec dt { width: auto; }
}

/* 画面の縦が短い端末（iPhone SE など）だけ、写真をさらに抑えて
   ボタンが初期表示に入るようにする。通常サイズの端末には影響しない */
@media (max-width: 640px) and (max-height: 620px) {
  .hero { padding-bottom: 104px; }
  .hero__photo { max-height: 36svh; }
}

/* 読み上げ・検索エンジンにだけ残す（画面には出さない） */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}



/* ---------- HOW TO USE（イラスト付き） ---------- */
/* 3ステップを矢印でつなぐ。区切り線は使わず、イラストを主役にする */
.steps--figure {
  gap: 20px;
  align-items: start;
  text-align: center;
}
.steps--figure .step {
  border-top: 0;
  padding-top: 0;
  position: relative;
}
/* ステップ間の「>」。最後の1つには出さない */
.steps--figure .step + .step::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 34%;
  width: 9px; height: 9px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  transform: rotate(45deg);
  opacity: 0.85;
}
.steps--figure .step__no {
  font-family: var(--gothic);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--gold-2);
  margin-bottom: 18px;
  line-height: 1.9;
}
.step__sep { margin: 0 2px; opacity: 0.6; }
.step__item {
  display: inline-block;
  margin-left: 10px;
  color: var(--white);
}
.step__media { margin-bottom: 18px; }
.step__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  /* 黒背景の絵なので、縁をぼかして地の色になじませる */
  -webkit-mask-image: radial-gradient(ellipse at center, #000 58%, transparent 92%);
  mask-image: radial-gradient(ellipse at center, #000 58%, transparent 92%);
}
.steps--figure .step__text {
  font-size: 0.82rem;
  line-height: 2.05;
  color: var(--text-light);
}
.steps__closing {
  margin-top: 56px;
  text-align: center;
  font-family: var(--mincho);
  font-size: clamp(1.05rem, 2.4vw, 1.4rem);
  line-height: 2.1;
  letter-spacing: 0.12em;
  color: var(--white);
}
.steps__closing strong {
  font-weight: 400;
  color: var(--gold-2);
}

@media (max-width: 749px) {
  .steps--figure { grid-template-columns: 1fr; gap: 46px; }
  /* 縦並びになるので矢印は下向きに */
  .steps--figure .step + .step::before {
    left: 50%;
    top: -30px;
    transform: translateX(-50%) rotate(135deg);
  }
  .steps--figure .step__media { max-width: 260px; margin-inline: auto; }
}