/* ==========================================================
   子育てカルテ 公式サイト 共有スタイル
   トーン: 生成りの紙 × 深緑(信頼) × 杏色(体温のぬくもり)
   ========================================================== */

:root {
  --paper: #FAF6EF;
  --paper-deep: #F3ECDF;
  --white: #FFFFFF;
  --ink: #37322D;
  --ink-soft: #6E655B;
  --pine: #2E6B5A;
  --pine-deep: #225748;
  --pine-tint: #E3EEE9;
  --apricot: #E07B4F;
  --apricot-soft: #FBE8DC;
  --line: #E5DCCC;
  --radius: 18px;
  --font-display: "Zen Maru Gothic", "Hiragino Maru Gothic ProN", sans-serif;
  --font-body: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--ink);
  background-color: var(--paper);
  /* うっすらとした方眼ノートの気配 */
  background-image:
    linear-gradient(rgba(46, 107, 90, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(46, 107, 90, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }

a { color: var(--pine); }

.wrap {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 239, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: none;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.site-nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.site-nav a:hover { color: var(--pine); }

.nav-cta {
  background: var(--pine);
  color: var(--white) !important;
  padding: 8px 16px;
  border-radius: 999px;
  font-weight: 600;
}

.nav-cta:hover { background: var(--pine-deep); }

@media (max-width: 640px) {
  /* .nav-keep(下層ページの「ホーム」等)は狭幅でも残し、戻る導線を確保する */
  .site-nav a:not(.nav-cta):not(.nav-keep) { display: none; }
}

/* ---------- ヒーロー ---------- */

.hero {
  overflow: hidden;
  padding: 64px 0 0;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: end;
}

.hero-copy { padding-bottom: 72px; }

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--pine);
  font-weight: 600;
  background: var(--pine-tint);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 20px;
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 4.2vw, 2.6rem);
  line-height: 1.55;
  letter-spacing: 0.03em;
  margin-bottom: 18px;
}

.hero h1 .accent {
  color: var(--apricot);
  /* 蛍光ペン風の下線 */
  background: linear-gradient(transparent 68%, var(--apricot-soft) 68%);
}

.hero-lead {
  color: var(--ink-soft);
  font-size: 1.02rem;
  margin-bottom: 30px;
  max-width: 30em;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.store-badge {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  background: var(--ink);
  color: var(--white);
  text-decoration: none;
  border-radius: 12px;
  padding: 10px 22px;
  line-height: 1.4;
  opacity: 0.78;
  cursor: default;
}

.store-badge .small { font-size: 0.7rem; }
.store-badge .big { font-size: 1.05rem; font-weight: 700; }

.coming-note {
  font-size: 0.82rem;
  color: var(--ink-soft);
}

.hero-free-line {
  margin-top: 22px;
  font-size: 0.88rem;
  color: var(--pine);
  font-weight: 600;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-free-line span::before {
  content: "✓ ";
  color: var(--apricot);
}

@media (max-width: 820px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-copy { padding-bottom: 0; }
  .hero-visual { margin-top: 8px; }
}

/* ---------- CSSデバイスフレーム & 簡易モック ---------- */
/* 実スクリーンショットに差し替える際は .phone-screen の中身を <img> に置き換える */

.phone {
  width: min(300px, 78vw);
  margin: 0 auto;
  background: #2B2926;
  border-radius: 42px;
  padding: 12px;
  box-shadow:
    0 24px 48px -20px rgba(55, 50, 45, 0.4),
    0 4px 12px rgba(55, 50, 45, 0.12);
  transform: rotate(-1.5deg);
}

.phone-screen {
  background: var(--white);
  border-radius: 32px;
  overflow: hidden;
  aspect-ratio: 9 / 19;
  display: flex;
  flex-direction: column;
}

.phone.flat { transform: none; }

.mock-note {
  text-align: center;
  font-size: 0.75rem;
  color: var(--ink-soft);
  margin-top: 14px;
}

/* モック内部(様式化したイメージ図。実画面の再現ではない) */

.mock-header {
  padding: 22px 18px 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}

.mock-header .mock-period {
  font-size: 0.65rem;
  color: var(--pine);
  background: var(--pine-tint);
  padding: 2px 8px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
}

.mock-chart {
  margin: 4px 14px 10px;
  background: #FDFBF7;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 10px 8px 6px;
}

.mock-chart svg { display: block; width: 100%; height: auto; }

.mock-rows { padding: 0 14px; display: grid; gap: 8px; }

.mock-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #FDFBF7;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 8px 10px;
}

.mock-chip {
  flex: none;
  font-size: 0.6rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 999px;
}

.mock-chip.temp { background: var(--apricot-soft); color: var(--apricot); }
.mock-chip.med { background: var(--pine-tint); color: var(--pine); }
.mock-chip.symptom { background: #EFE9F7; color: #7A6BA8; }

.mock-line {
  height: 7px;
  border-radius: 4px;
  background: var(--line);
}

.mock-line.w60 { width: 60%; }
.mock-line.w45 { width: 45%; }
.mock-line.w70 { width: 70%; }

.mock-fab {
  margin: auto 14px 16px auto;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--apricot);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 300;
  box-shadow: 0 6px 14px rgba(224, 123, 79, 0.4);
}

/* 家族カード風モック */

.mock-members { padding: 4px 14px; display: grid; gap: 10px; }

.mock-member {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  background: #FDFBF7;
  border-radius: 14px;
  padding: 10px 12px;
}

.mock-avatar {
  width: 36px;
  height: 36px;
  flex: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--white);
}

.mock-avatar.a1 { background: var(--apricot); }
.mock-avatar.a2 { background: var(--pine); }
.mock-avatar.a3 { background: #C9A227; }

.mock-member-lines { flex: 1; display: grid; gap: 6px; }

/* ---------- 約束ストリップ(3つの安心) ---------- */

.promises {
  background: var(--pine);
  color: var(--white);
  padding: 44px 0;
}

.promises .wrap {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px 32px;
}

.promise h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.promise h3::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--apricot);
  flex: none;
}

.promise p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.8;
}

@media (max-width: 820px) {
  .promises .wrap { grid-template-columns: 1fr; gap: 20px; }
}

/* ---------- セクション共通 ---------- */

.section { padding: 88px 0; }

.section-eyebrow {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--apricot);
  letter-spacing: 0.14em;
  margin-bottom: 10px;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  line-height: 1.6;
  margin-bottom: 16px;
}

.section-lead {
  color: var(--ink-soft);
  max-width: 36em;
}

@media (max-width: 640px) {
  .section { padding: 64px 0; }
}

/* ---------- こんな夜に(シーン) ---------- */

.scenes { background: var(--paper-deep); }

.scene-grid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.scene {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
  position: relative;
}

.scene::before {
  /* 付箋の耳 */
  content: "";
  position: absolute;
  top: -8px;
  left: 24px;
  width: 44px;
  height: 16px;
  background: var(--apricot-soft);
  border-radius: 3px;
  transform: rotate(-2deg);
}

.scene blockquote {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 12px;
}

.scene p {
  font-size: 0.88rem;
  color: var(--ink-soft);
}

@media (max-width: 820px) {
  .scene-grid { grid-template-columns: 1fr; }
}

/* ---------- 機能(交互レイアウト) ---------- */

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  padding: 56px 0;
}

.feature + .feature { border-top: 1px dashed var(--line); }

.feature:nth-child(even) .feature-visual { order: -1; }

.feature h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  line-height: 1.6;
  margin: 10px 0 14px;
}

.feature-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--apricot);
  letter-spacing: 0.15em;
}

.feature p { color: var(--ink-soft); font-size: 0.95rem; }

.feature ul {
  margin-top: 16px;
  list-style: none;
  display: grid;
  gap: 8px;
}

.feature ul li {
  font-size: 0.9rem;
  padding-left: 22px;
  position: relative;
}

.feature ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.55em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--pine-tint);
  border: 2.5px solid var(--pine);
}

@media (max-width: 820px) {
  .feature { grid-template-columns: 1fr; gap: 28px; padding: 44px 0; }
  .feature:nth-child(even) .feature-visual { order: 0; }
}

/* ---------- プライバシー ---------- */

.privacy-band {
  background: var(--pine-tint);
}

.privacy-band .wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.privacy-points {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.privacy-point {
  background: var(--white);
  border-radius: 14px;
  padding: 16px 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border: 1px solid rgba(46, 107, 90, 0.18);
}

.privacy-point svg { flex: none; margin-top: 4px; }

.privacy-point strong { display: block; font-size: 0.95rem; }

.privacy-point span { font-size: 0.85rem; color: var(--ink-soft); }

.privacy-diagram {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid rgba(46, 107, 90, 0.18);
  padding: 28px;
  text-align: center;
}

.privacy-diagram svg { width: 100%; max-width: 380px; height: auto; }

.privacy-more {
  display: inline-block;
  margin-top: 22px;
  font-size: 0.9rem;
  font-weight: 600;
}

@media (max-width: 820px) {
  .privacy-band .wrap { grid-template-columns: 1fr; }
}

/* ---------- 締めCTA ---------- */

.closing { text-align: center; }

.closing .section-title { margin-top: 12px; }

.closing .hero-actions { justify-content: center; margin-top: 28px; }

.closing-sub {
  color: var(--ink-soft);
  font-size: 0.92rem;
  max-width: 34em;
  margin: 0 auto;
}

/* ---------- フッター ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
  padding: 40px 0 32px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }

.footer-links a { color: var(--ink-soft); text-decoration: none; }

.footer-links a:hover { color: var(--pine); }

.footer-disclaimer {
  font-size: 0.78rem;
  line-height: 1.9;
  border-top: 1px dashed var(--line);
  padding-top: 18px;
}

/* ---------- 下層ページ(記事) ---------- */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

.article h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.4vw, 2rem);
  line-height: 1.6;
  margin-bottom: 8px;
}

.article .updated {
  color: var(--ink-soft);
  font-size: 0.85rem;
  margin-bottom: 40px;
}

.article h2 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 44px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--apricot);
  line-height: 1.6;
}

.article p, .article li { color: #4A443D; font-size: 0.95rem; }

.article p { margin-bottom: 14px; }

.article ul { padding-left: 1.4em; margin-bottom: 14px; display: grid; gap: 6px; }

.article strong { color: var(--ink); }

.article .lead-box {
  background: var(--pine-tint);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 32px;
  font-size: 0.95rem;
}

/* FAQ */

.article h2.faq-section-title {
  border: none;
  padding-left: 0;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 6px 24px 20px;
  margin-bottom: 16px;
}

.faq-item h3 {
  font-family: var(--font-display);
  line-height: 1.6;
  margin: 18px 0 8px;
  font-size: 1.05rem;
}

.faq-item h3::before {
  content: "Q. ";
  color: var(--apricot);
}

.faq-item p::before {
  content: "A. ";
  font-weight: 700;
  color: var(--pine);
}

.contact-box {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  margin: 24px 0 40px;
  text-align: center;
}

.contact-box .mail {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  margin: 10px 0;
  color: var(--pine);
  word-break: break-all;
}

.contact-box p { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }

/* ---------- スクロールリビール ---------- */

/* JS有効時(html.js)のみフェード対象にし、JS無効環境では常に表示 */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

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