/* ============================================================
   start.auckit.com - C案 ネオブルータリズム
   オレンジ×イエロー / 太い黒ボーダー / オフセット影 / 大胆な配置
   ============================================================ */

/* ---------- Color tokens ---------- */
:root {
  --orange: #FF6B35;
  --orange-deep: #E85416;
  --yellow: #FFD93D;
  --yellow-deep: #FFC107;
  --cream: #FFF8E7;
  --paper: #FFFBF0;
  --ink: #0A0A0A;
  --ink-soft: #2D2D2D;
  --gray: #6B6B6B;
  --gray-light: #E5E5E5;
  --pink: #FF8FA3;
  --green: #6FCF7C;
  --blue: #4A90E2;

  --border: 3px solid var(--ink);
  --border-thick: 4px solid var(--ink);
  --shadow: 6px 6px 0 var(--ink);
  --shadow-sm: 4px 4px 0 var(--ink);
  --shadow-lg: 8px 8px 0 var(--ink);
  --shadow-xl: 10px 10px 0 var(--ink);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Hiragino Sans", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

/* ---------- Visibility utilities ---------- */
.pc-only { display: inline; }
.sp-only { display: none; }
@media (max-width: 640px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }
}

/* ---------- Container ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-narrow {
  max-width: 780px;
}

/* ---------- Section common ---------- */
.section-title {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-weight: 900;
  font-size: 32px;
  line-height: 1.4;
  text-align: center;
  margin: 0 0 16px;
  color: var(--ink);
  letter-spacing: 0;
}

.section-emoji {
  display: inline-block;
  margin-right: 8px;
  transform: translateY(-2px);
}

.section-sub {
  font-size: 14px;
  color: var(--gray);
  text-align: center;
  margin: 0 0 40px;
  font-weight: 500;
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--paper);
  border-bottom: var(--border-thick);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 24px;
  height: 68px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 20px;
  color: var(--ink);
}

.nav-logo-text {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  letter-spacing: 0;
}

.nav-link {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  padding: 10px 18px;
  background: var(--yellow);
  border: var(--border);
  border-radius: 0;
  box-shadow: var(--shadow-sm);
}

.nav-link:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.nav-link:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  padding: 72px 0 96px;
  background: var(--orange);
  border-bottom: var(--border-thick);
  overflow: hidden;
}

.hero-bg-dots {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(0, 0, 0, 0.08) 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero-content {
  min-width: 0;
}

.hero-stamp {
  display: inline-block;
  background: var(--ink);
  color: var(--yellow);
  font-weight: 800;
  font-size: 13px;
  padding: 8px 16px;
  margin-bottom: 24px;
  transform: rotate(-2deg);
  box-shadow: var(--shadow-sm);
  letter-spacing: 0.04em;
}

.hero-title {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-weight: 900;
  font-size: 52px;
  line-height: 1.3;
  letter-spacing: 0;
  margin: 0 0 28px;
  color: var(--ink);
}

.hero-emoji {
  display: inline-block;
  font-size: 0.85em;
  margin: 0 2px;
}

.brand-wrap {
  position: relative;
  display: inline-block;
}

.brand {
  background: var(--yellow);
  padding: 0 12px;
  display: inline-block;
  transform: rotate(-1deg);
  border: 3px solid var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
  margin: 0 4px;
}

.brand-underline {
  display: none;
}

.hero-sub {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 36px;
  line-height: 1.85;
}

.cta-group {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 18px 32px;
  border-radius: 0;
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.02em;
  text-align: center;
  cursor: pointer;
  border: var(--border-thick);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
  white-space: nowrap;
  font-family: inherit;
}

.btn-primary {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  color: var(--ink);
  transform: translate(2px, 2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-primary:active {
  transform: translate(6px, 6px);
  box-shadow: 0 0 0 var(--ink);
}

.btn-large {
  padding: 22px 40px;
  font-size: 19px;
  box-shadow: var(--shadow-lg);
}

.btn-large:hover {
  box-shadow: 4px 4px 0 var(--ink);
}

.btn-large:active {
  box-shadow: 0 0 0 var(--ink);
  transform: translate(8px, 8px);
}

.cta-badge {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  background: var(--ink);
  color: var(--yellow);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  border: 3px solid var(--ink);
  transform: rotate(2deg);
}

.hero-notes {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--ink);
  font-weight: 600;
}

.hero-notes li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.note-ico { font-size: 14px; }

/* ---------- Hero illustration: stacked cards ---------- */
.hero-illust {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 380px;
}

.illust-stack {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 360px;
}

.illust-card {
  position: absolute;
  border: var(--border-thick);
  box-shadow: var(--shadow);
}

.illust-card-back {
  top: 30px;
  left: 30px;
  right: 0;
  bottom: 30px;
  background: var(--pink);
  transform: rotate(4deg);
}

.illust-card-mid {
  top: 15px;
  left: 15px;
  right: 15px;
  bottom: 15px;
  background: var(--yellow);
  transform: rotate(-2deg);
}

.illust-card-front {
  top: 0;
  left: 0;
  right: 30px;
  bottom: 30px;
  background: var(--paper);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 18px;
}

.illust-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.illust-check {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--paper);
  border: 3px solid var(--ink);
  font-weight: 900;
  font-size: 18px;
  color: var(--ink);
  flex-shrink: 0;
}

.illust-check.filled {
  background: var(--green);
  color: var(--ink);
}

.illust-bar {
  flex: 1;
  height: 14px;
  background: var(--ink);
}

.illust-bar.short { width: 60%; flex: 0 0 60%; }
.illust-bar.mid   { width: 75%; flex: 0 0 75%; }

.illust-star {
  position: absolute;
  font-size: 48px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1;
}

.illust-star-1 {
  top: -18px;
  right: -6px;
  color: var(--yellow);
  -webkit-text-stroke: 3px var(--ink);
  transform: rotate(15deg);
}

.illust-star-2 {
  bottom: -10px;
  left: -8px;
  color: var(--pink);
  -webkit-text-stroke: 2px var(--ink);
  font-size: 36px;
  transform: rotate(-10deg);
}

/* ============================================================
   TARGETS
   ============================================================ */
.targets {
  padding: 88px 0;
  background: var(--paper);
  border-bottom: var(--border-thick);
}

.target-grid {
  margin-top: 56px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.target-card {
  background: #fff;
  border: var(--border-thick);
  border-radius: 0;
  padding: 32px 28px;
  box-shadow: var(--shadow);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  position: relative;
}

.target-card-1 { background: #FFEED9; }
.target-card-2 { background: #DBEAFE; }
.target-card-3 { background: #DCFCE7; }

.target-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}

.target-icon {
  font-size: 44px;
  line-height: 1;
  margin-bottom: 18px;
  display: inline-block;
  background: #fff;
  border: var(--border);
  padding: 8px 14px;
  box-shadow: 3px 3px 0 var(--ink);
}

.target-title {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-weight: 900;
  font-size: 19px;
  line-height: 1.5;
  margin: 0 0 16px;
  color: var(--ink);
}

.target-desc {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  margin: 0 0 16px;
  font-weight: 500;
}

.target-solution {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  font-weight: 700;
  margin: 0;
  padding-top: 12px;
  border-top: 2px dashed var(--ink);
}

/* ============================================================
   ANNOYANCES
   ============================================================ */
.annoyances {
  padding: 88px 0;
  background: var(--yellow);
  border-bottom: var(--border-thick);
}

.annoyance-list {
  list-style: none;
  padding: 0;
  margin: 56px auto 0;
  max-width: 920px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.annoyance-item {
  background: #fff;
  border: var(--border-thick);
  padding: 22px 28px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.annoyance-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.annoyance-problem,
.annoyance-solution {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.annoyance-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 3px solid var(--ink);
  font-size: 15px;
  font-weight: 900;
  flex-shrink: 0;
}

.annoyance-mark.x {
  background: var(--pink);
  color: var(--ink);
}

.annoyance-mark.o {
  background: var(--green);
  color: var(--ink);
}

.annoyance-text {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  font-weight: 600;
}

.annoyance-problem .annoyance-text {
  color: var(--gray);
  text-decoration: line-through;
  text-decoration-thickness: 2px;
  text-decoration-color: var(--orange);
}

.annoyance-solution .annoyance-text {
  color: var(--ink);
  font-weight: 800;
}

.annoyance-arrow {
  color: var(--ink);
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
}

/* ============================================================
   SCENES
   ============================================================ */
.scenes {
  padding: 88px 0;
  background: var(--paper);
  border-bottom: var(--border-thick);
}

.scene-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.scene-card {
  background: #fff;
  border: var(--border-thick);
  padding: 32px 26px;
  box-shadow: var(--shadow);
  position: relative;
}

.scene-card-1 { background: #FFEED9; }
.scene-card-2 { background: #FFE4E6; }
.scene-card-3 { background: #DBF4DB; }

.scene-avatar {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-weight: 900;
  font-size: 24px;
  color: var(--ink);
  border: var(--border);
  box-shadow: 3px 3px 0 var(--ink);
}

.avatar-a { background: var(--yellow); }
.avatar-b { background: var(--pink); }
.avatar-c { background: var(--green); }

.scene-quote {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  margin: 0 0 16px;
  font-weight: 500;
}

.scene-meta {
  font-size: 13px;
  color: var(--ink);
  margin: 0;
  font-weight: 700;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  padding: 88px 0;
  background: var(--orange);
  border-bottom: var(--border-thick);
}

.faq-list {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #fff;
  border: var(--border-thick);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.faq-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ink);
}

.faq-item[open] {
  background: var(--paper);
}

.faq-q {
  padding: 20px 26px;
  font-weight: 800;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  user-select: none;
}

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

.faq-q::after {
  content: "+";
  font-size: 28px;
  font-weight: 900;
  color: var(--ink);
  flex-shrink: 0;
  line-height: 1;
  width: 32px;
  height: 32px;
  background: var(--yellow);
  border: 3px solid var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-item[open] .faq-q::after {
  content: "−";
  background: var(--pink);
}

.faq-a {
  padding: 0 26px 24px;
  border-top: 2px dashed var(--ink);
  margin-top: 4px;
  padding-top: 16px;
}

.faq-a p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-soft);
  font-weight: 500;
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.cta-final {
  padding: 96px 0;
  background: var(--cream);
  border-bottom: var(--border-thick);
}

.cta-final-box {
  background: var(--yellow);
  border: var(--border-thick);
  box-shadow: var(--shadow-xl);
  padding: 48px 32px;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
  position: relative;
}

.cta-final-badge {
  display: inline-block;
  background: var(--ink);
  color: var(--yellow);
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 800;
  margin-bottom: 20px;
  border: 3px solid var(--ink);
  transform: rotate(-2deg);
  letter-spacing: 0.02em;
}

.cta-final-title {
  font-family: "Noto Sans JP", "Hiragino Sans", sans-serif;
  font-weight: 900;
  font-size: 30px;
  line-height: 1.5;
  margin: 0 0 16px;
  color: var(--ink);
}

.cta-final-sub {
  font-size: 15px;
  color: var(--ink);
  margin: 0 0 32px;
  font-weight: 600;
}

.cta-final .btn-primary {
  background: var(--orange);
  color: var(--ink);
}

/* ============================================================
   TO MAIN
   ============================================================ */
.to-main {
  padding: 64px 0;
  background: var(--paper);
  text-align: center;
}

.to-main-lead {
  font-size: 15.5px;
  color: var(--ink);
  margin: 0 0 28px;
  font-weight: 700;
}

.to-main-grid {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.to-main-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: #fff;
  border: var(--border);
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  box-shadow: var(--shadow-sm);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

.to-main-link:hover {
  background: var(--yellow);
  color: var(--ink);
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--ink);
}

.to-main-link:active {
  transform: translate(4px, 4px);
  box-shadow: 0 0 0 var(--ink);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 36px 0 48px;
  background: var(--ink);
  color: var(--paper);
  border-top: var(--border-thick);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-copy {
  margin: 0;
  font-size: 13px;
  color: var(--paper);
  font-weight: 700;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  font-size: 13px;
  color: var(--paper);
  font-weight: 600;
}

.footer-links a:hover {
  color: var(--yellow);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ============================================================
   RESPONSIVE - Tablet
   ============================================================ */
@media (max-width: 960px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-illust {
    order: -1;
    max-width: 320px;
    margin: 0 auto;
    min-height: 280px;
  }

  .illust-stack { height: 280px; }

  .hero-title { font-size: 40px; }

  .target-grid,
  .scene-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
  }

  .target-grid { margin-top: 48px; }
}

/* ============================================================
   RESPONSIVE - Mobile
   ============================================================ */
@media (max-width: 640px) {
  .container { padding: 0 18px; }

  .nav-inner {
    padding: 12px 18px;
    height: 60px;
  }

  .nav-logo { font-size: 18px; }

  .nav-link {
    font-size: 12px;
    padding: 8px 14px;
  }

  .hero {
    padding: 48px 0 64px;
  }

  .hero-inner {
    padding: 0 18px;
    gap: 32px;
  }

  .hero-stamp {
    font-size: 12px;
    padding: 6px 12px;
  }

  .hero-title {
    font-size: 30px;
    line-height: 1.35;
    margin-bottom: 20px;
  }

  .brand {
    padding: 0 8px;
    margin: 0 2px;
    box-shadow: 3px 3px 0 var(--ink);
  }

  .hero-sub {
    font-size: 15px;
    margin-bottom: 28px;
  }

  .btn {
    padding: 16px 26px;
    font-size: 15px;
  }

  .btn-large {
    padding: 18px 30px;
    font-size: 16px;
  }

  .cta-group { gap: 14px; }

  .cta-badge {
    font-size: 13px;
    padding: 8px 14px;
  }

  .hero-notes {
    gap: 14px;
    font-size: 13px;
  }

  .hero-illust {
    max-width: 280px;
    min-height: 240px;
  }

  .illust-stack { height: 240px; }

  .targets,
  .annoyances,
  .scenes,
  .faq {
    padding: 64px 0;
  }

  .cta-final { padding: 64px 0; }

  .section-title {
    font-size: 24px;
  }

  .target-card {
    padding: 28px 22px;
  }

  .target-title { font-size: 17px; }

  .annoyance-item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px 22px;
    text-align: left;
  }

  .annoyance-arrow {
    transform: rotate(90deg);
    text-align: center;
  }

  .scene-card { padding: 28px 22px; }

  .cta-final-box {
    padding: 36px 22px;
  }

  .cta-final-title { font-size: 22px; }

  .cta-final-badge {
    font-size: 12px;
    padding: 6px 14px;
  }

  .faq-q {
    padding: 18px 22px;
    font-size: 14.5px;
  }

  .faq-q::after {
    font-size: 22px;
    width: 28px;
    height: 28px;
  }

  .faq-a {
    padding: 14px 22px 22px;
  }

  .to-main-grid {
    flex-direction: column;
    gap: 12px;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
  }

  .to-main-link {
    width: 100%;
    justify-content: center;
  }

  .footer .container {
    flex-direction: column;
    text-align: center;
    gap: 18px;
  }

  .footer-links {
    justify-content: center;
    gap: 18px;
  }
}