/* ========================================
   スキマシェア LP - マガジンスタイル
   クリーン・洗練・余白重視
   ======================================== */

/* リセット */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #00a9e0;
  --primary-dark: #0090c0;
  --primary-light: #e8f7fc;
  --cta-orange: #ff7f3f;
  --cta-orange-dark: #e6692e;
  --text: #1a1a1a;
  --text-light: #666666;
  --text-muted: #999999;
  --white: #ffffff;
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --border: #e8e8e8;
  --transition: color 0.2s ease, background-color 0.2s ease, border-color 0.2s ease;
  /* フラットUI: 面は単色、階層はボーダーと余白で表現 */
  --hero-bg: #0099c9;
  /* 濃い青帯はブランドカラーに統一（写真上は opacity で調整） */
  --band-blue: var(--primary);
  --footer-blue: var(--primary);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.03em;
  color: var(--text);
  background-color: var(--white);
}

body.menu-open {
  overflow: hidden;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 40px;
}

.sp-only { display: none; }

/* アニメーション */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-animate="fade-left"] {
  transform: translateX(32px);
}

[data-animate].animated {
  opacity: 1;
  transform: translateY(0) translateX(0);
}

/* セクションラベル */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

/* ========================================
   ヘッダー
   ======================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--border);
}

.header-inner {
  max-width: 1200px;
  margin: 0px auto;
  padding: 0 40px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-img {
  height: 36px;
}

.nav {
  display: flex;
  gap: 40px;
}

.nav-link {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-light);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
}

.header-switch {
  padding: 8px 16px;
  background: transparent;
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--primary);
  border-radius: 6px;
  transition: var(--transition);
  margin-right: 8px;
}

.header-switch:hover {
  background: var(--primary);
  color: var(--white);
}

.header-cta {
  padding: 10px 24px;
  background: var(--cta-orange);
  color: var(--white);
  font-size: 0.85rem;
  font-weight: 600;
  border-radius: 6px;
  transition: var(--transition);
}

.header-cta:hover {
  background: var(--cta-orange-dark);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  width: 20px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* モバイルメニュー */
.mobile-menu {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--white);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-menu.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  padding: 32px 24px;
}

.mobile-nav-link {
  padding: 16px 0;
  font-size: 1rem;
  border-bottom: 1px solid var(--border);
}

.mobile-nav-link.switch {
  margin-top: 16px;
  padding: 14px;
  background: transparent;
  color: var(--primary);
  text-align: center;
  border: 1px solid var(--primary);
  border-radius: 8px;
}

.mobile-nav-link.cta {
  margin-top: 24px;
  padding: 16px;
  background: var(--cta-orange);
  color: var(--white);
  text-align: center;
  border-radius: 8px;
  border: none;
}

/* ========================================
   ヒーロー
   ======================================== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(140px, 22vh, 220px) 0 clamp(32px, 5vh, 48px);
  background: var(--hero-bg);
}

.hero-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 clamp(32px, 4vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 1.5fr);
  gap: clamp(40px, 5vw, 80px);
  align-items: center;
}

.hero-content {
  color: var(--white);
  max-width: 36rem;
}

.hero-title {
  margin-bottom: clamp(20px, 3vw, 28px);
}

.hero-title-line {
  display: block;
}

.hero-title-accent {
  display: flex;
  flex-direction: column;
  gap: 0.12em;
  font-size: clamp(2.5rem, 5.2vw + 0.5rem, 3.75rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.03em;
}

.hero-title-line--strong {
  letter-spacing: -0.04em;
}

.hero-title-keyword {
  display: inline-block;
  color: var(--white);
  border-bottom: 3px solid rgba(255, 255, 255, 0.45);
  padding-bottom: 0.02em;
}

.hero-lead {
  font-size: clamp(0.95rem, 1.1vw + 0.85rem, 1.05rem);
  line-height: 1.85;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.92);
  margin-bottom: clamp(28px, 4vw, 40px);
}

.hero-cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 20px;
}

.btn-primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 18px 48px;
  background: var(--cta-orange);
  color: var(--white);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-primary-cta:hover {
  background: var(--cta-orange-dark);
}

.btn-primary-cta.hero-cta-btn {
  min-width: min(100%, 308px);
  padding: 22px 52px;
  border-radius: 10px;
  font-size: 1.125rem;
  letter-spacing: 0.03em;
}

.btn-primary-cta.hero-cta-btn:hover {
  background: var(--cta-orange-dark);
}

.hero-cta-sub {
  align-self: flex-start;
  width: fit-content;
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  padding: 10px 18px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: min(60vw, 520px);
}

.hero-device {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 700px;
  display: flex;
  justify-content: center;
}

.hero-device img {
  width: 100%;
  max-width: 700px;
  height: auto;
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  row-gap: 10px;
  column-gap: 0;
  padding: clamp(24px, 3.5vw, 36px) clamp(24px, 4vw, 48px) 0;
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-features span {
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.hero-features span:not(:first-child)::before {
  content: '・';
  margin: 0 0.85rem;
  color: rgba(255, 255, 255, 0.35);
  font-weight: 400;
}

/* ========================================
   数字セクション
   ======================================== */
.stats {
  padding: 56px 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
}

.stats-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 56px;
}

.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
}

.stat-item {
  text-align: center;
}

.stat-item.highlight {
  background: var(--primary);
  border-radius: 8px;
  padding: 20px 28px;
  color: var(--white);
}

.stat-item.highlight .stat-number,
.stat-item.highlight .stat-unit {
  color: var(--white);
}

.stat-item.highlight .stat-text {
  color: rgba(255,255,255,0.85);
}

.stat-item.highlight .stat-text strong {
  color: var(--white);
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.stat-unit {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
}

.stat-text {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.5;
}

.stat-text strong {
  color: var(--primary);
}

/* ========================================
   課題セクション（Issue）
   ======================================== */
.problem {
  position: relative;
  padding: clamp(80px, 11vw, 120px) 0;
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.problem .container {
  position: relative;
}

.problem-header {
  max-width: 38rem;
  margin-bottom: clamp(28px, 4vw, 40px);
}

.problem-intro {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.8;
}

.problem-media {
  margin: 0 0 clamp(32px, 4vw, 48px);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
}

.problem-media img {
  display: block;
  width: 100%;
  height: clamp(200px, 32vw, 300px);
  object-fit: cover;
  object-position: center top;
}

.problem-header .section-label {
  display: inline-block;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  letter-spacing: 0.22em;
}

.problem-title {
  font-size: clamp(1.75rem, 4.2vw, 2.35rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.03em;
  color: var(--text);
}

.problem-list {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.5vw, 22px);
}

.problem-item {
  display: flex;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(24px, 3.5vw, 36px) clamp(22px, 3vw, 40px);
  align-items: flex-start;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s ease;
}

@media (hover: hover) {
  .problem-item:hover {
    border-color: var(--primary);
  }
}

.problem-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  min-width: 48px;
  height: 48px;
  padding: 0 10px;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(0, 169, 224, 0.35);
  border-radius: 10px;
}

.problem-body {
  min-width: 0;
}

.problem-body h3 {
  font-size: clamp(1.05rem, 2vw, 1.22rem);
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
  color: var(--text);
}

.problem-body p {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.85;
}

.problem-conclusion {
  margin-top: clamp(40px, 5vw, 56px);
  max-width: 36rem;
  margin-left: auto;
  margin-right: auto;
  padding: clamp(24px, 3vw, 32px) clamp(28px, 4vw, 40px);
  text-align: center;
  background: var(--white);
  border: 1px solid var(--border);
  border-top: 4px solid var(--primary);
  border-radius: 12px;
}

.problem-conclusion p {
  position: relative;
  margin: 0;
  font-size: clamp(1.08rem, 2.2vw, 1.28rem);
  font-weight: 700;
  line-height: 1.65;
  letter-spacing: 0.02em;
  color: var(--text);
}

.problem-conclusion p::before {
  display: none;
}

/* ========================================
   転換セクション
   ======================================== */
.turning {
  position: relative;
  padding: clamp(80px, 11vw, 120px) clamp(24px, 5vw, 48px);
  background: var(--primary);
  overflow: hidden;
}

.turning-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.turning-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.turning-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background-color: var(--primary);
  opacity: 0.58;
  pointer-events: none;
}

.turning-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
}

.turning-content {
  text-align: center;
  color: var(--white);
}

.turning-lead {
  display: inline-block;
  margin: 0 0 26px;
  padding: 10px 20px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.95);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
}

.turning-title {
  margin: 0 0 clamp(36px, 5vw, 48px);
  font-size: clamp(1.55rem, 3.8vw + 0.4rem, 2.2rem);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.turning-title-line {
  display: block;
}

.turning-title-line--emphasis {
  margin: 0.2em 0;
}

.turning-title em {
  font-style: normal;
  display: inline;
  padding: 0.12em 0.35em 0.18em;
  color: var(--primary);
  background: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 8px;
}

.turning-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  max-width: 520px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .turning-points {
    grid-template-columns: repeat(3, 1fr);
    gap: clamp(12px, 2vw, 18px);
    max-width: none;
  }
}

.turning-point {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 108px;
  padding: 20px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.92);
  text-align: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

@media (hover: hover) {
  .turning-point:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.55);
  }
}

.turning-point-label {
  display: block;
  letter-spacing: 0.04em;
}

.turning-point strong {
  display: block;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--white);
}

/* ========================================
   サービス紹介
   ======================================== */
.about {
  padding: 100px 0;
  background: var(--white);
}

.about-main-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.about-main-title span {
  color: var(--primary);
}

.about-main-lead {
  max-width: 40rem;
  margin: 0 auto clamp(28px, 4vw, 40px);
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.8;
}

.about-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 52px;
}

.about-feature-img {
  border-radius: 12px;
  overflow: hidden;
}

.about-feature-img img {
  width: 100%;
  display: block;
}

.about-feature-title {
  font-size: 1.3rem;
  font-weight: 700;
  line-height: 1.6;
  margin-bottom: 20px;
}

.about-feature-content p {
  font-size: 0.9rem;
  color: var(--text-light);
  margin-bottom: 12px;
  line-height: 1.9;
}

.text-accent {
  color: var(--primary);
}

/* インフォグラフィック */
.infographic {
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
  background: var(--gray-50);
  border-radius: 16px;
  padding: clamp(40px, 5vw, 72px) clamp(28px, 4vw, 56px);
  border: 1px solid var(--border);
}

.infographic-title {
  text-align: center;
  font-size: clamp(1.2rem, 2.4vw + 0.5rem, 1.55rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.02em;
  margin-bottom: clamp(36px, 4.5vw, 52px);
}

.infographic-compare {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: clamp(20px, 3vw, 40px);
}

.infographic-item {
  flex: 1 1 280px;
  max-width: 400px;
  text-align: center;
  padding: clamp(28px, 3vw, 40px) clamp(22px, 3vw, 32px);
  border-radius: 12px;
  background: var(--white);
  border: 1px solid var(--border);
}

.infographic-item.active {
  border: 2px solid var(--primary);
}

.infographic-label {
  font-size: clamp(0.85rem, 1.2vw + 0.65rem, 1rem);
  font-weight: 700;
  margin-bottom: clamp(18px, 2vw, 24px);
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.infographic-item.active .infographic-label {
  color: var(--primary);
}

.infographic-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--primary);
}

.infographic-arrow svg {
  width: clamp(40px, 4vw, 56px);
  height: clamp(40px, 4vw, 56px);
}

/* トラック図解 */
.truck-diagram-visual {
  margin: clamp(20px, 2.5vw, 28px) 0;
}

.truck-visual {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  height: clamp(78px, 11vw, 112px);
}

.truck-cab {
  width: clamp(34px, 4.8vw, 46px);
  height: clamp(44px, 5.8vw, 60px);
  background: var(--text-muted);
  border-radius: 6px 6px 0 0;
  margin-right: 3px;
  flex-shrink: 0;
}

.truck-body-visual {
  width: clamp(132px, 19vw, 188px);
  height: clamp(56px, 7.5vw, 78px);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(0.7rem, 1.1vw + 0.55rem, 0.875rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.truck-body-visual.full {
  background: var(--text-muted);
}

.truck-body-visual.split {
  background: linear-gradient(90deg, var(--text-muted) 60%, var(--primary) 60%);
}

.truck-body-visual.split .existing {
  flex: 0.6;
  text-align: center;
  padding: 0 4px;
}

.truck-body-visual.split .yours {
  flex: 0.4;
  text-align: center;
  padding: 0 4px;
  color: var(--white);
}

.infographic-result {
  margin-top: 4px;
  font-size: clamp(0.85rem, 1.1vw + 0.65rem, 1rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-muted);
}

.infographic-result.accent {
  color: var(--primary);
}

.infographic-conclusion {
  text-align: center;
  margin-top: clamp(28px, 3.5vw, 40px);
  font-size: clamp(0.95rem, 1.2vw + 0.75rem, 1.08rem);
  font-weight: 500;
  line-height: 1.75;
  color: var(--text-light);
  max-width: 40rem;
  margin-left: auto;
  margin-right: auto;
}

.infographic-conclusion strong {
  color: var(--primary);
  font-weight: 700;
}

/* ========================================
   メリット（登録・利用料 完全無料）
   ======================================== */
.merit {
  position: relative;
  padding: clamp(80px, 11vw, 120px) 0;
  background: var(--gray-50);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.merit .container {
  position: relative;
}

.merit-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  grid-template-areas:
    'photo photo'
    'main list';
  gap: clamp(36px, 4.5vw, 52px) clamp(40px, 6vw, 72px);
  align-items: start;
}

.merit-hero-photo {
  grid-area: photo;
  margin: 0;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
}

.merit-hero-photo img {
  display: block;
  width: 100%;
  height: clamp(220px, 38vw, 400px);
  object-fit: cover;
  object-position: center 35%;
}

.merit-main {
  grid-area: main;
  max-width: 34rem;
}

.merit-header-label.section-label {
  display: inline-block;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
  letter-spacing: 0.22em;
}

.merit-title {
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.merit-title-kicker {
  display: block;
  font-size: clamp(1.15rem, 2vw + 0.75rem, 1.35rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 6px;
}

.merit-title-hero {
  display: block;
}

.merit-title-hero em {
  font-style: normal;
  display: inline-block;
  font-size: clamp(2.25rem, 5.5vw + 0.5rem, 3.25rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.04em;
  color: var(--primary);
}

.merit-lead {
  font-size: clamp(0.92rem, 1.1vw + 0.8rem, 1.02rem);
  font-weight: 500;
  color: var(--text-light);
  line-height: 1.85;
  margin: 0 0 22px;
}

.merit-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.merit-tags span {
  display: inline-block;
  padding: 8px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--primary);
  background: var(--primary-light);
  border: 1px solid rgba(0, 169, 224, 0.2);
  border-radius: 999px;
}

.merit-list {
  grid-area: list;
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2vw, 18px);
}

.merit-item {
  display: flex;
  gap: clamp(16px, 2.5vw, 22px);
  align-items: flex-start;
  padding: clamp(22px, 3vw, 30px) clamp(20px, 3vw, 28px);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.2s ease;
}

@media (hover: hover) {
  .merit-item:hover {
    border-color: var(--primary);
  }
}

.merit-item-icon {
  flex-shrink: 0;
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.merit-item-body {
  min-width: 0;
}

.merit-item h3 {
  font-size: clamp(1rem, 1.3vw + 0.85rem, 1.12rem);
  font-weight: 700;
  line-height: 1.45;
  margin-bottom: 8px;
  color: var(--text);
}

.merit-item p {
  font-size: clamp(0.85rem, 1vw + 0.75rem, 0.95rem);
  color: var(--text-light);
  line-height: 1.75;
  margin: 0;
}

/* ========================================
   利用の流れ - マガジンスタイル
   ======================================== */
.flow {
  padding: 100px 0;
  background: var(--white);
}

.flow-header {
  text-align: center;
  margin-bottom: 56px;
}

.flow-header h2 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 10px;
}

.flow-intro {
  font-size: 0.92rem;
  color: var(--text-light);
  line-height: 1.8;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.flow-step {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.flow-step-thumb {
  width: min(100%, 190px);
  aspect-ratio: 4 / 3;
  margin: 0 auto 16px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
}

.flow-step-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.flow-step-thumb--app {
  width: min(100%, 220px);
  aspect-ratio: 4 / 3;
  background: var(--primary-light);
  border: 1px solid rgba(0, 169, 224, 0.22);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step-thumb--app img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 12px 14px;
}

.flow-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--primary);
  color: var(--white);
  font-size: 1.2rem;
  font-weight: 700;
  border-radius: 50%;
  margin-bottom: 20px;
}

.flow-step h3 {
  min-height: 2.8em;
}

.flow-step h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ========================================
   動画ガイドセクション
   ======================================== */
.video-guide {
  padding: clamp(72px, 10vw, 116px) 0;
  background: var(--bg-light);
}

.video-guide-header {
  text-align: center;
  margin-bottom: clamp(40px, 6vw, 64px);
}

.video-guide-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-top: 12px;
}

.video-guide-lead {
  margin-top: 16px;
  font-size: 1rem;
  color: var(--text-light);
}

.video-guide-wrapper {
  position: relative;
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding-bottom: 56.25%; /* 16:9 aspect ratio */
  height: 0;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.video-guide-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* ========================================
   比較セクション
   ======================================== */
.compare {
  position: relative;
  padding: clamp(72px, 10vw, 116px) 0;
  overflow: hidden;
  color: var(--white);
  background: var(--band-blue);
}

.compare .container {
  position: relative;
  z-index: 1;
}

.compare-head {
  text-align: center;
  margin-bottom: clamp(40px, 5vw, 56px);
}

.compare-kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 9px 20px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: none;
  line-height: 1.4;
  color: rgba(255, 255, 255, 0.95);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 999px;
}

.compare-title {
  margin: 0;
  font-size: clamp(1.55rem, 3.8vw + 0.35rem, 2.15rem);
  font-weight: 800;
  line-height: 1.55;
  letter-spacing: -0.02em;
}

.compare-table {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(20px, 3vw, 32px);
  align-items: stretch;
  max-width: 900px;
  margin: 0 auto;
}

.compare-col {
  padding: clamp(26px, 3.5vw, 40px) clamp(22px, 3vw, 36px);
  border-radius: 16px;
}

.compare-col.before {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.4);
}

.compare-col.after {
  background: var(--white);
  color: var(--text);
  border: 1px solid var(--border);
}

.compare-header {
  font-size: clamp(0.88rem, 1.1vw + 0.7rem, 1.05rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-bottom: clamp(16px, 2vw, 22px);
  padding-bottom: 14px;
  border-bottom-width: 2px;
  border-bottom-style: solid;
}

.compare-col.before .compare-header {
  border-bottom-color: rgba(255, 255, 255, 0.28);
  color: rgba(255, 255, 255, 0.95);
}

.compare-col.after .compare-header {
  border-bottom-color: rgba(0, 169, 224, 0.25);
  color: var(--primary);
}

.compare-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.compare-list li {
  position: relative;
  padding: clamp(10px, 1.5vw, 14px) 0;
  padding-left: 32px;
  font-size: clamp(0.88rem, 1.05vw + 0.72rem, 1rem);
  font-weight: 500;
  line-height: 1.55;
}

.compare-list li + li {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.compare-col.after .compare-list li + li {
  border-top-color: var(--border);
}

.compare-col.before .compare-list li::before {
  content: '−';
  position: absolute;
  left: 2px;
  top: 50%;
  transform: translateY(-50%);
  width: auto;
  height: auto;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(255, 255, 255, 0.55);
  background: none;
  border-radius: 0;
}

.compare-col.after .compare-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 22px;
  text-align: center;
  color: var(--white);
  background: var(--primary);
  border-radius: 50%;
}

/* ========================================
   FAQセクション
   ======================================== */
.faq {
  padding: 100px 0;
  background: var(--white);
}

.faq-header {
  text-align: center;
  margin-bottom: 56px;
}

.faq-header h2 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  border-top: 1px solid var(--border);
}

.faq-item {
  border-bottom: 1px solid var(--border);
}

.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  cursor: pointer;
  list-style: none;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-q-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
}

.faq-toggle {
  margin-left: auto;
  width: 20px;
  height: 20px;
  position: relative;
}

.faq-toggle::before,
.faq-toggle::after {
  content: "";
  position: absolute;
  background: var(--text-muted);
  transition: var(--transition);
}

.faq-toggle::before {
  width: 12px;
  height: 2px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-toggle::after {
  width: 2px;
  height: 12px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.faq-item[open] .faq-toggle::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

.faq-answer {
  display: flex;
  gap: 16px;
  padding: 0 0 24px 0;
  padding-left: 44px;
}

.faq-a-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  color: var(--text-light);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 4px;
}

.faq-answer p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.8;
}

.faq-answer strong {
  color: var(--text);
}

/* ========================================
   CTA
   ======================================== */
.cta {
  position: relative;
  padding: clamp(88px, 12vw, 120px) 0;
  overflow: hidden;
  color: var(--white);
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.cta-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.cta-bg-overlay {
  position: absolute;
  inset: 0;
  background-color: var(--primary);
  opacity: 0.86;
}

.cta .container {
  position: relative;
  z-index: 2;
}

.cta-content {
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.cta-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.88);
  margin-bottom: 16px;
  letter-spacing: 0.06em;
}

.cta-title {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--white);
}

.cta-description {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.88);
  line-height: 1.8;
  margin-bottom: 32px;
}

.cta-features {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin-bottom: 32px;
}

.cta-features span {
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.9);
}

.cta-microcopy {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
}

.btn-cta-main {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 20px 56px;
  background: var(--cta-orange);
  color: var(--white);
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: var(--transition);
}

.btn-cta-main:hover {
  background: var(--cta-orange-dark);
}

.cta-note {
  margin-top: 16px;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.65);
}

/* Sticky CTA */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 12px 16px;
  background: var(--white);
  border-top: 1px solid var(--border);
  z-index: 100;
  transform: translateY(100%);
  transition: var(--transition);
  display: none;
}

.sticky-cta.visible {
  transform: translateY(0);
}

.sticky-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 14px;
  background: var(--cta-orange);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 6px;
}

/* ========================================
   フッター
   ======================================== */
.footer {
  padding: 56px 0 32px;
  background: var(--white);
  color: var(--text);
  border-top: 1px solid var(--border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
}

.footer-logo img {
  height: 32px;
  opacity: 1;
}

.footer-company {
  font-size: 0.8rem;
  margin-bottom: 12px;
}

.footer-nav {
  display: flex;
  gap: 24px;
}

.footer-nav a {
  font-size: 0.8rem;
  opacity: 0.8;
  transition: var(--transition);
}

.footer-nav a:hover {
  opacity: 1;
}

.footer-crosslink {
  display: inline-block;
  margin-top: 16px;
  padding: 10px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 6px;
  font-size: 0.85rem;
  color: #fff;
  transition: var(--transition);
}

.footer-crosslink:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

.footer-copyright {
  font-size: 0.7rem;
  opacity: 0.65;
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

/* ========================================
   レスポンシブ - タブレット
   ======================================== */
@media (max-width: 1024px) {
  .container {
    padding: 0 32px;
  }

  .nav {
    display: none;
  }

  .header-switch {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu {
    display: block;
  }

  /* ヒーロー */
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 40px;
    text-align: center;
    padding: 0 32px;
  }

  .hero-content {
    order: 1;
    max-width: 32rem;
    margin-left: auto;
    margin-right: auto;
  }

  .hero-visual {
    order: 2;
    min-height: 300px;
  }

  .hero-device img {
    max-width: min(480px, 88vw);
  }

  .hero-lead {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 28px;
  }

  .hero-cta {
    align-items: center;
  }

  .hero-cta-sub {
    align-self: center;
  }

  .hero-features {
    flex-wrap: wrap;
  }

  /* 数字 */
  .stats-inner {
    flex-wrap: wrap;
    gap: 32px;
  }

  .stat-divider {
    display: none;
  }

  /* メリット */
  .merit-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      'photo'
      'main'
      'list';
    gap: 40px;
  }

  .merit-main {
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
  }

  .merit-header-label.section-label {
    margin-left: auto;
    margin-right: auto;
  }

  .merit-tags {
    justify-content: center;
  }

  .flow-intro {
    max-width: 36rem;
    margin: 0 auto;
  }

  /* サービス */
  .about-feature {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* フロー */
  .flow-steps {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* 比較 */
  .compare-table {
    grid-template-columns: 1fr;
    gap: 22px;
    max-width: min(520px, 100%);
  }

  /* インフォグラフィック */
  .infographic {
    padding: 40px 28px;
  }

  .infographic-compare {
    flex-direction: column;
    align-items: stretch;
    gap: 20px;
  }

  .infographic-arrow {
    transform: rotate(90deg);
    justify-content: center;
    margin: 4px 0;
  }

  .infographic-item {
    max-width: 100%;
    width: 100%;
  }
}

/* ========================================
   レスポンシブ - モバイル
   ======================================== */
@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .container {
    padding: 0 20px;
  }

  .header-inner {
    padding: 0 20px;
    height: 64px;
  }

  .sp-only {
    display: inline;
  }

  /* ヒーロー */
  .hero {
    padding: 100px 0 60px;
  }

  .hero-inner {
    padding: 0 20px;
  }

  .hero-title-accent {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }

  .hero-visual {
    min-height: 220px;
  }

  .hero-device img {
    max-width: min(94vw, 360px);
  }

  .hero-features {
    flex-direction: column;
    gap: 6px;
    padding: 24px 20px;
  }

  .hero-features span:not(:first-child)::before {
    content: none;
    margin: 0;
  }

  .btn-primary-cta {
    width: 100%;
    padding: 16px;
  }

  .btn-primary-cta.hero-cta-btn {
    padding: 18px 24px;
    font-size: 1.0625rem;
  }

  /* セクション */
  .problem,
  .about,
  .merit,
  .flow,
  .faq,
  .cta {
    padding: 72px 0;
  }

  .turning,
  .compare {
    padding: 56px 20px;
  }

  .turning-point {
    min-height: 0;
    padding: 18px 14px;
  }

  /* 課題 */
  .problem-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 22px 20px;
  }

  .problem-intro {
    margin-top: 10px;
    font-size: 0.88rem;
  }

  .about-main-lead {
    font-size: 0.9rem;
    margin-bottom: 28px;
  }

  .problem-num {
    min-width: 44px;
    height: 44px;
    font-size: 0.75rem;
  }

  .problem-conclusion {
    padding: 22px 20px;
  }

  /* フッター */
  .footer {
    padding: 40px 0 24px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 24px;
    text-align: center;
  }

  .footer-nav {
    flex-direction: column;
    gap: 12px;
  }

  /* Sticky CTA */
  .sticky-cta {
    display: block;
  }

  /* CTA */
  .cta-features {
    flex-direction: column;
    gap: 8px;
  }

  .btn-cta-main {
    width: 100%;
    padding: 18px;
  }
}