@charset "UTF-8";

/* ==========================================================================
   Dr.Baby Moisture Wash — LP
   ブランドカラーは支給素材からサンプリングした暫定値（要正式指定）
   ========================================================================== */

:root {
  --brand:        #9DCDDD;  /* ロゴタイプ水色（素材サンプリング） */
  --brand-mid:    #6BA8BE;
  --brand-deep:   #3F7286;  /* 文字・CTA用（白背景でコントラスト5.3:1） */
  --brand-light:  #C9E7F1;
  --brand-pale:   #E7F5F9;
  --brand-mist:   #F5FAFC;

  --ink:          #333333;
  --ink-soft:     #6B6B6B;
  --ink-faint:    #9A9A9A;
  --line:         #DCE8ED;

  --jp-serif: "Noto Serif JP", "Yu Mincho", YuMincho, "Hiragino Mincho ProN", serif;
  --jp-sans:  "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  --en-serif: "Cormorant Garamond", "Noto Serif JP", Georgia, serif;

  --pad: clamp(20px, 5vw, 21.5px);
  --gap: clamp(56px, 11vw, 47.3px);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  font-family: var(--jp-sans);
  font-weight: 300;
  font-size: 15px;
  line-height: 2.1;
  letter-spacing: .05em;
  color: var(--ink);
  background: #fff;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }

/* --- 下書きバナー（公開時に削除） ------------------------------------- */
/* --- 共通レイアウト ---------------------------------------------------- */
/* スマホ幅のみで見せる（2026-09-23・館山「PCサイズは無しで、全てスマホサイズのみ」）。
   PC用の2カラム化メディアクエリは削除済み。ここで本体の幅も頭打ちにして、
   広い画面では中央にスマホ幅の1本が立つ形にする。 */
body { max-width: 430px; margin-inline: auto; box-shadow: 0 0 0 1px rgba(0,0,0,.05); }
html { background: #f3f4f5; }
.wrap { width: min(100% - var(--pad) * 2, 1000px); margin-inline: auto; }
.narrow { width: min(100% - var(--pad) * 2, 720px); margin-inline: auto; }

section { padding-block: var(--gap); }
section.tint { background: var(--brand-mist); }
section.tint-strong {
  background: linear-gradient(180deg, var(--brand-mist) 0%, var(--brand-pale) 100%);
}

/* --- タイポグラフィ ---------------------------------------------------- */
.eyebrow {
  font-family: var(--en-serif);
  font-size: 12px; font-weight: 400;
  letter-spacing: .34em; text-transform: uppercase;
  color: var(--brand-mid);
  margin: 0 0 22px;
}
.eyebrow-jp {
  font-family: var(--jp-serif); font-size: 12px; font-weight: 400;
  letter-spacing: .3em; color: var(--brand-mid); margin: 0 0 22px;
}

h2, h3 { font-family: var(--jp-serif); font-weight: 400; margin: 0; }

h2 {
  font-size: clamp(21px, 4.4vw, 18.92px);
  line-height: 2; letter-spacing: .16em;
  color: var(--ink);
}
h3 {
  font-size: clamp(16px, 3vw, 12.9px);
  line-height: 1.9; letter-spacing: .12em;
}

.lead {
  font-family: var(--jp-serif); font-weight: 300;
  font-size: clamp(14px, 2.9vw, 12.47px);
  line-height: 2.4; letter-spacing: .1em;
  color: var(--ink-soft);
}

p { margin: 0 0 1.6em; }
p:last-child { margin-bottom: 0; }

.center { text-align: center; }

/* --- 花モチーフ -------------------------------------------------------- */
.floret { display: block; margin: 0 auto 26px; color: var(--brand); opacity: .85; }
.floret--rule {
  display: flex; align-items: center; gap: 18px;
  margin: 0 auto 30px; max-width: 320px; color: var(--brand);
}
.floret--rule::before, .floret--rule::after {
  content: ""; flex: 1; height: 1px; background: var(--line);
}

/* --- ヘッダー ---------------------------------------------------------- */
.site-header {
  padding: 26px var(--pad) 22px; text-align: center;
  border-bottom: 1px solid var(--line);
}
.logo {
  font-family: var(--en-serif);
  font-size: clamp(26px, 6vw, 25.8px); font-weight: 400;
  letter-spacing: .04em; color: var(--brand-mid);
  line-height: 1; margin: 0;
}
.logo small {
  display: block; font-size: 10px; letter-spacing: .42em;
  margin-top: 9px; color: var(--brand); text-transform: uppercase;
}

/* --- ヒーロー ---------------------------------------------------------- */
.hero {
  position: relative; padding: 0;
  background: linear-gradient(180deg, #fff 0%, var(--brand-mist) 55%, var(--brand-pale) 100%);
  overflow: hidden;
}
.hero__inner {
  display: grid; gap: clamp(30px, 5vw, 21.5px);
  grid-template-columns: 1fr;
  align-items: center;
  padding-block: clamp(44px, 8vw, 34.4px);
}

.hero__copy { text-align: center; }


.hero__doctor {
  font-family: var(--jp-serif); font-size: 12px;
  letter-spacing: .26em; color: var(--brand-mid); margin: 0 0 26px;
}
.hero__title {
  font-family: var(--jp-serif); font-weight: 300;
  font-size: clamp(30px, 7.6vw, 32.68px);
  line-height: 1.75; letter-spacing: .12em;
  margin: 0 0 26px; color: var(--ink);
}
.hero__title em {
  font-style: normal; color: var(--brand-deep);
}
.hero__product {
  font-family: var(--en-serif); font-size: clamp(17px, 3.4vw, 14.62px);
  letter-spacing: .2em; color: var(--brand-mid); margin: 0 0 24px;
}
.hero__lead {
  font-size: 14px; line-height: 2.3; color: var(--ink-soft);
  margin: 0 0 34px;
}
/* FVは1枚画像。余白なしで画面幅いっぱいに置く */
.hero__fv { margin: 0; line-height: 0; }
.hero__fv img { width: 100%; height: auto; display: block; }
/* 画像内の文字を読み上げ・検索に拾わせるための控え */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.hero__figure { position: relative; }
.hero__figure img {
  width: 100%; border-radius: 2px;
}
/* 🚨 モバイルは1カラムになるので、DOM順のままだと画像が
   コピー＋CTAの**下**へ回り、iPhone(375×812)では y=832px＝画面外に出る。
   ファーストビューに商品が写らないLPになってしまうので、狭い画面では画像を先に出す。
   （2026-09-23・館山「FV見れない」。860px以上の2カラムは従来どおり左コピー／右画像） */
@media (max-width: 859px) {
  .hero__figure { order: -1; }
}

/* --- CTA --------------------------------------------------------------- */
.cta { text-align: center; }
.cta__price {
  font-family: var(--jp-serif);
  font-size: clamp(20px, 4.4vw, 18.92px); letter-spacing: .1em;
  color: var(--ink); margin: 0 0 4px;
}
.cta__price span { font-size: 13px; letter-spacing: .14em; color: var(--ink-soft); }
.cta__meta {
  font-size: 12px; letter-spacing: .12em; color: var(--ink-faint);
  margin: 0 0 22px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-width: min(100%, 340px);
  padding: 19px 40px;
  background: var(--brand-deep); color: #fff;
  font-family: var(--jp-sans); font-size: 15px; font-weight: 400;
  letter-spacing: .14em; text-decoration: none;
  border-radius: 999px;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
  box-shadow: 0 8px 24px rgba(63, 114, 134, .18);
}
.btn:hover, .btn:focus-visible {
  background: #35606F; transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(63, 114, 134, .26);
}
.btn__arrow { font-size: 16px; line-height: 1; }
.cta__note {
  font-size: 11px; letter-spacing: .08em; color: var(--ink-faint);
  margin: 16px 0 0;
}

/* --- チェックリスト（悩み） -------------------------------------------- */
.checks { list-style: none; margin: 0; padding: 0; }
.checks li {
  position: relative;
  padding: 20px 10px 20px 46px;
  border-bottom: 1px solid var(--line);
  font-family: var(--jp-serif); font-size: 15px;
  letter-spacing: .09em; line-height: 1.9;
}
.checks li:first-child { border-top: 1px solid var(--line); }
.checks li::before {
  content: ""; position: absolute; left: 12px; top: 50%;
  width: 15px; height: 8px; margin-top: -6px;
  border-left: 1.5px solid var(--brand); border-bottom: 1.5px solid var(--brand);
  transform: rotate(-45deg);
}

/* --- 大きな引用・宣言 --------------------------------------------------- */
.statement {
  font-family: var(--jp-serif); font-weight: 300;
  font-size: clamp(19px, 4.6vw, 19.78px);
  line-height: 2.1; letter-spacing: .14em;
  text-align: center; color: var(--ink); margin: 0;
}
.statement .mark { color: var(--brand-deep); }

/* --- 画像バンド -------------------------------------------------------- */
.band { position: relative; line-height: 0; }
.band img { width: 100%; object-fit: cover; max-height: min(78vh, 640px); }

/* --- 監修医 ------------------------------------------------------------ */
.doctor {
  display: grid; gap: clamp(28px, 5vw, 21.5px);
  grid-template-columns: 1fr; align-items: start;
}

.doctor__photo { text-align: center; }
.doctor__photo img {
  width: min(100%, 300px); margin-inline: auto; border-radius: 2px;
}
.doctor__name {
  font-family: var(--jp-serif); margin: 20px 0 0;
  font-size: 20px; letter-spacing: .2em;
}
.doctor__name small {
  display: block; font-family: var(--en-serif);
  font-size: 12px; letter-spacing: .22em; color: var(--brand-mid);
  margin-top: 8px;
}
.doctor__role {
  font-size: 12px; letter-spacing: .1em; color: var(--ink-faint);
  margin: 10px 0 0; line-height: 1.9;
}
.doctor__quote {
  font-family: var(--jp-serif); font-weight: 300;
  font-size: clamp(15px, 3vw, 12.9px); line-height: 2.5; letter-spacing: .1em;
  color: var(--ink); margin: 0;
}
.doctor__quote p { margin-bottom: 1.5em; }
.doctor__quote .em { color: var(--brand-deep); }

/* --- 特徴 -------------------------------------------------------------- */
.features { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }

.feature { background: #fff; padding: clamp(28px, 5vw, 21.5px); }
.feature__no {
  font-family: var(--en-serif); font-size: 34px; line-height: 1;
  color: var(--brand-light); margin: 0 0 14px;
}
.feature h3 { margin: 0 0 16px; color: var(--brand-deep); }
.feature p { font-size: 14px; line-height: 2.15; color: var(--ink-soft); margin: 0; }

/* --- 成分 -------------------------------------------------------------- */
.ing { display: grid; gap: clamp(22px, 4vw, 17.2px); grid-template-columns: 1fr; }

.ing__item {
  background: #fff; border-top: 2px solid var(--brand-light);
  padding: 28px 26px;
}
.ing__label {
  font-family: var(--jp-serif); font-size: 12px; letter-spacing: .24em;
  color: var(--brand-mid); margin: 0 0 12px;
}
.ing__item h3 { margin: 0 0 14px; font-size: 16px; }
.ing__item p { font-size: 13px; line-height: 2.1; color: var(--ink-soft); margin: 0; }

.allergens {
  margin-top: clamp(34px, 6vw, 25.8px);
  border: 1px solid var(--line); padding: clamp(22px, 4vw, 17.2px);
  background: #fff;
}
.allergens h3 { font-size: 14px; letter-spacing: .2em; margin: 0 0 16px; color: var(--brand-deep); }
.allergens p { font-size: 12px; line-height: 2.1; color: var(--ink-soft); letter-spacing: .04em; }

/* --- 使い方 ------------------------------------------------------------ */
.steps { counter-reset: step; display: grid; gap: clamp(26px, 5vw, 21.5px); }

.step { position: relative; padding-top: 54px; text-align: center; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  font-family: var(--en-serif); font-size: 30px; line-height: 1;
  color: var(--brand); letter-spacing: .06em;
}
.step h3 { margin: 0 0 14px; font-size: 16px; }
.step p { font-size: 13px; line-height: 2.1; color: var(--ink-soft); margin: 0; }

.usage-split {
  display: grid; gap: 1px; background: var(--line);
  border: 1px solid var(--line); margin-top: clamp(36px, 6vw, 25.8px);
}

.usage-split div { background: var(--brand-mist); padding: 28px 26px; text-align: center; }
.usage-split dt {
  font-family: var(--jp-serif); font-size: 15px; letter-spacing: .24em;
  color: var(--brand-deep); margin-bottom: 12px;
}
.usage-split dd { margin: 0; font-size: 13px; line-height: 2.1; color: var(--ink-soft); }

/* --- こんな方へ -------------------------------------------------------- */
.audience { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }

.audience li {
  background: #fff; border: 1px solid var(--line);
  padding: 22px 26px; font-family: var(--jp-serif);
  font-size: 14px; letter-spacing: .1em; line-height: 1.95;
}

/* --- FAQ --------------------------------------------------------------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  cursor: pointer; list-style: none;
  padding: 22px 44px 22px 34px; position: relative;
  font-family: var(--jp-serif); font-size: 15px; letter-spacing: .08em;
  line-height: 1.9;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before {
  content: "Q"; position: absolute; left: 0; top: 22px;
  font-family: var(--en-serif); font-size: 15px; color: var(--brand-mid);
}
.faq summary::after {
  content: ""; position: absolute; right: 8px; top: 50%;
  width: 9px; height: 9px; margin-top: -6px;
  border-right: 1px solid var(--brand-mid); border-bottom: 1px solid var(--brand-mid);
  transform: rotate(45deg); transition: transform .25s ease;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq .faq__a {
  padding: 0 34px 26px; font-size: 13.5px; line-height: 2.2;
  color: var(--ink-soft);
}

/* --- 商品情報テーブル --------------------------------------------------- */
.spec { width: 100%; border-collapse: collapse; font-size: 13px; }
.spec th, .spec td {
  border-bottom: 1px solid var(--line);
  padding: 16px 8px; text-align: left; vertical-align: top;
  line-height: 2; letter-spacing: .04em;
}
.spec th {
  width: 34%; font-weight: 400; font-family: var(--jp-serif);
  letter-spacing: .14em; color: var(--brand-deep); white-space: nowrap;
}
.spec td { color: var(--ink-soft); }

/* --- 注意事項 ---------------------------------------------------------- */
.caution {
  font-size: 11.5px; line-height: 2; color: var(--ink-faint);
  letter-spacing: .03em;
}
.caution ul { margin: 0; padding-left: 1.2em; }
.caution li { margin-bottom: .5em; }

/* --- フッター ---------------------------------------------------------- */
.site-footer {
  background: var(--brand-mist); border-top: 1px solid var(--line);
  padding: clamp(44px, 8vw, 34.4px) var(--pad) 120px;
  text-align: center;
}
.site-footer .logo { margin-bottom: 26px; }
.site-footer p { font-size: 12px; line-height: 2; color: var(--ink-faint); }
.site-footer a { color: var(--brand-deep); }

/* --- モバイル固定CTA ---------------------------------------------------- */
.sticky-cta {
  position: fixed; inset: auto 0 0 0; z-index: 50;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  padding: 11px var(--pad) calc(11px + env(safe-area-inset-bottom));
  display: flex; align-items: center; justify-content: center; gap: 16px;
  transform: translateY(110%); transition: transform .35s ease;
}
.sticky-cta.is-visible { transform: translateY(0); }
.sticky-cta__price {
  font-family: var(--jp-serif); font-size: 15px; letter-spacing: .08em;
  white-space: nowrap;
}
.sticky-cta__price small { font-size: 10px; color: var(--ink-faint); }
.sticky-cta .btn {
  min-width: 0; flex: 1; max-width: 300px;
  padding: 14px 22px; font-size: 13.5px; box-shadow: none;
}

/* --- スクロール表示 ----------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .9s cubic-bezier(.2,.7,.3,1), transform .9s cubic-bezier(.2,.7,.3,1);
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal, .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .btn, .sticky-cta { transition: none; }
}