/* ============================================================
   こんだて番長 — ランディングページ CSS
   ============================================================ */

:root {
  --cream:       #FAF8F2;
  --cream-dark:  #F2EDE3;
  --orange:      #FF6600;
  --orange-dark: #CC4400;
  --orange-pale: #FFF0E6;
  --ink:         #1A1208;
  --ink-mid:     #4A3728;
  --ink-light:   #8A7260;
  --white:       #FFFFFF;
  --border:      #E0D5C5;
  --radius:      12px;
  --font-head:   'Kaisei Decol', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --font-body:   'Noto Sans JP', 'Hiragino Sans', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; }
a { text-decoration: none; color: inherit; }

/* ============================================================
   ナビ
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 248, 242, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  display: flex;
  align-items: center;
}
.nav-logo img { display: block; height: 32px; width: auto; }
.nav-cta {
  background: var(--orange);
  color: white;
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: background 0.2s;
}
.nav-cta:active { background: var(--orange-dark); }

/* ============================================================
   共通パーツ
   ============================================================ */
.section-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 64px 24px;
}
.section-label {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1.5px solid var(--orange);
  border-radius: 4px;
  padding: 2px 10px;
  margin-bottom: 16px;
}
.section-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  margin-bottom: 24px;
}

/* ============================================================
   ヒーロー
   ============================================================ */
.hero {
  background: var(--cream);
  padding: 24px 0 0;
  position: relative;
  overflow: hidden;
}
.hero-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 64px;
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
  margin-bottom: 16px;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(36px, 9vw, 54px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-rule {
  width: 48px;
  height: 3px;
  background: var(--orange);
  border-radius: 2px;
  margin-bottom: 20px;
}
.hero-sub {
  font-size: 15px;
  color: var(--ink-mid);
  line-height: 1.9;
  margin-bottom: 32px;
}
.btn-hero {
  display: inline-block;
  background: var(--orange);
  color: white;
  padding: 16px 32px;
  border-radius: 32px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.03em;
  box-shadow: 0 4px 20px rgba(255, 102, 0, 0.35);
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn-hero:active {
  transform: translateY(1px);
  box-shadow: 0 2px 10px rgba(255, 102, 0, 0.25);
}
.hero-note {
  margin-top: 12px;
  font-size: 12px;
  color: var(--ink-light);
}

/* 番長スタンプ */
.hero-stamp {
  display: flex;
  justify-content: center;
  padding: 0 24px 48px;
  position: relative;
  z-index: 2;
}
.stamp-inner {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: var(--orange);
  border: 3px solid var(--orange-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding-bottom: 4px; /* 日本語フォントの視覚的重心補正 */
  box-shadow: 0 6px 24px rgba(255,102,0,0.3), inset 0 0 0 5px rgba(255,255,255,0.15);
  position: relative;
}
.stamp-inner::after {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  border: 1.5px solid rgba(255,255,255,0.5);
  pointer-events: none;
}
.stamp-small {
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  color: rgba(255,255,255,0.9);
  letter-spacing: 0.15em;
}
.stamp-big {
  font-family: var(--font-head);
  font-size: 44px;
  font-weight: 700;
  color: white;
  line-height: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

/* ヒーロー背景装飾 */
.hero::before {
  content: '献立';
  position: absolute;
  top: -20px;
  right: -30px;
  font-family: var(--font-head);
  font-size: 200px;
  font-weight: 700;
  color: rgba(255,102,0,0.04);
  line-height: 1;
  pointer-events: none;
  z-index: 1;
}

/* ============================================================
   共感
   ============================================================ */
.pain {
  background: var(--cream-dark);
}
.pain-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.pain-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: white;
  border-radius: var(--radius);
  padding: 16px 18px;
  border-left: 3px solid var(--orange);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.pain-icon {
  font-size: 24px;
  flex-shrink: 0;
  margin-top: 2px;
}
.pain-list strong {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 3px;
  line-height: 1.5;
}
.pain-list p {
  font-size: 13px;
  color: var(--ink-light);
  line-height: 1.6;
}

/* ============================================================
   ブリッジ帯（共感 → ソリューションのつなぎ目）
   ============================================================ */
.bridge {
  background: var(--white);
  border-top: 1px solid var(--border);
}
.bridge-inner {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px;
  text-align: center;
}
.bridge-text {
  font-family: var(--font-head);
  font-size: clamp(28px, 7vw, 42px);
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.bridge-text span {
  color: var(--orange);
}

/* ============================================================
   ソリューション
   ============================================================ */
.solution {
  background: var(--ink);
}
.solution .section-inner { padding: 64px 24px; }
.solution-label { border-color: rgba(255,255,255,0.4); color: rgba(255,255,255,0.7); }
.solution-title {
  font-family: var(--font-head);
  font-size: clamp(26px, 6vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  color: white;
  margin-bottom: 16px;
}
.solution-title span {
  color: var(--orange);
}
.solution-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
  margin-bottom: 32px;
}
.solution-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.flow-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 12px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  flex: 1;
  min-width: 80px;
  font-size: 12px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
}
.flow-item .flow-icon { font-size: 22px; }
.flow-item--result {
  background: var(--orange);
  border-color: var(--orange-dark);
  color: white;
}
.flow-arrow {
  color: rgba(255,255,255,0.3);
  font-size: 18px;
  flex-shrink: 0;
}

/* ============================================================
   特徴
   ============================================================ */
.features {
  background: var(--cream);
}
.feature-card {
  background: white;
  border-radius: 16px;
  padding: 28px 24px;
  margin-bottom: 16px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--orange);
  border-radius: 4px 0 0 4px;
}
.feature-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-head);
  font-size: 42px;
  font-weight: 700;
  color: rgba(255,102,0,0.08);
  line-height: 1;
}
.feature-icon {
  font-size: 32px;
  margin-bottom: 10px;
}
.feature-card h3 {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
  line-height: 1.4;
}
.feature-card p {
  font-size: 14px;
  color: var(--ink-mid);
  line-height: 1.85;
}

/* ============================================================
   使い方
   ============================================================ */
.howto {
  background: var(--orange-pale);
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  background: white;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.step-num {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--orange);
  color: white;
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.step-body h3 {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.4;
}
.step-body p {
  font-size: 13px;
  color: var(--ink-mid);
  line-height: 1.7;
}
.step-connector {
  width: 2px;
  height: 24px;
  background: var(--border);
  margin: 0 0 0 21px;
}

/* ============================================================
   最終CTA
   ============================================================ */
.final-cta {
  background: linear-gradient(135deg, #FF6600 0%, #FF8C00 100%);
  text-align: center;
}
.final-cta .section-inner { padding: 72px 24px; }
.cta-badge {
  display: inline-block;
  background: rgba(255,255,255,0.25);
  color: white;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 4px 16px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.4);
  margin-bottom: 20px;
}
.cta-title {
  font-family: var(--font-head);
  font-size: clamp(28px, 7vw, 42px);
  font-weight: 700;
  color: white;
  line-height: 1.35;
  margin-bottom: 16px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.15);
}
.cta-desc {
  font-size: 15px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 32px;
  line-height: 1.8;
}
.final-cta .btn-hero {
  background: white;
  color: var(--orange);
  box-shadow: 0 4px 24px rgba(0,0,0,0.15);
}
.final-cta .btn-hero:active {
  background: #FFF8F0;
}
.cta-note {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

/* ============================================================
   フッター
   ============================================================ */
.footer {
  background: var(--ink);
  padding: 32px 24px;
}
.footer-inner {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}
.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  transition: color 0.2s;
}
.footer-links a:hover { color: rgba(255,255,255,0.8); }
.footer-copy {
  font-size: 12px;
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   レスポンシブ
   ============================================================ */
@media (min-width: 480px) {
  .hero-stamp { justify-content: flex-end; }
  .hero-inner { padding-bottom: 32px; }
}