:root {
  --ink: #120b12;
  --muted: #5d5361;
  --line: #151018;
  --paper: #fff7fb;
  --soft: #fff0f6;
  --pink: #ff4f83;
  --deep-pink: #ff2f75;
  --mint: #ff9159; /* コーラル（旧ミント枠。アイコンの暖色世界観に統一） */
  --lemon: #ffd94a; /* yumeの「e」の黄色に合わせて少し深めに */
  --blue: #c2266e; /* ベリーピンク（旧ブルー枠。アイコンのリング色） */
  --purple: #9d5cff;
  --orange: #ff8a00;
  --tan: #a8683a; /* ブラタンちゃんの茶色 */
  --black: #111111;
  --shadow: 0 14px 0 rgba(17, 17, 17, 0.95);
  --soft-shadow: 0 18px 45px rgba(255, 47, 117, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle, rgba(255, 79, 131, 0.1) 5px, transparent 6px),
    radial-gradient(circle, rgba(255, 79, 131, 0.06) 4px, transparent 5px),
    linear-gradient(180deg, #fff7fb 0%, #fff 40%, #fff2f7 100%);
  background-size: 56px 56px, 56px 56px, auto;
  background-position: 0 0, 28px 28px, 0 0;
  font-family:
    "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Hiragino Sans",
    "Yu Gothic", "Meiryo", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.7;
}

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

button {
  font: inherit;
}

.site-header {
  position: relative;
  overflow: hidden;
  border-bottom: 4px solid var(--black);
  background:
    linear-gradient(150deg, rgba(255, 47, 117, 0.97) 0%, rgba(255, 79, 131, 0.94) 42%, rgba(255, 138, 100, 0.9) 74%, rgba(255, 217, 74, 0.9) 100%),
    #ff4f83;
}

.site-header::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.55) 7px, transparent 8px),
    radial-gradient(circle, rgba(255, 255, 255, 0.35) 5px, transparent 6px);
  background-size: 64px 64px, 64px 64px;
  background-position: 0 0, 32px 32px;
  opacity: 0.4;
  pointer-events: none;
}

.header-inner,
main,
.site-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.header-inner {
  position: relative;
  min-height: 480px;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 36px;
  align-items: center;
  align-content: center;
  padding: 56px 0 48px;
}

.hero-copy {
  position: relative;
  z-index: 1;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--black);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(42px, 8vw, 76px);
  line-height: 1.05;
  letter-spacing: 0;
  color: #fff;
  font-weight: 900;
  text-shadow:
    4px 4px 0 var(--black),
    8px 8px 0 rgba(194, 38, 110, 0.95);
}

.lead {
  max-width: 720px;
  margin-bottom: 28px;
  color: var(--black);
  font-size: 18px;
  font-weight: 800;
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.42);
}

.hero-visual {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: 340px;
  place-items: center;
}

.hero-visual img {
  width: min(100%, 330px);
  aspect-ratio: 1;
  border: 8px solid #fff;
  border-radius: 50%;
  background: #fff;
  box-shadow:
    0 0 0 6px var(--black),
    15px 15px 0 var(--blue),
    -15px -15px 0 var(--lemon);
  object-fit: cover;
}

.burst {
  position: absolute;
  display: inline-grid;
  min-height: 40px;
  place-items: center;
  border: 3px solid var(--black);
  border-radius: 999px;
  padding: 4px 16px;
  color: var(--black);
  font-weight: 900;
  box-shadow: 5px 5px 0 var(--black);
}

.burst-pink {
  top: 28px;
  right: 14px;
  background: #fff;
}

.burst-blue {
  bottom: 44px;
  right: 0;
  background: var(--blue);
  color: #fff;
}

.burst-yellow {
  bottom: 12px;
  left: 4px;
  background: var(--lemon);
}

.header-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.primary-link,
.secondary-link,
.copy-button,
.open-link {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 900;
}

.primary-link,
.copy-button,
.open-link {
  border: 3px solid var(--black);
  color: #fff;
  background: var(--black);
  box-shadow: 6px 6px 0 var(--blue);
}

.secondary-link {
  border: 3px solid var(--black);
  color: var(--ink);
  background: var(--lemon);
  box-shadow: 6px 6px 0 #fff;
}

.primary-link,
.secondary-link {
  padding: 0 18px;
}

main {
  padding: 42px 0 64px;
}

section {
  margin-bottom: 52px;
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-heading h2 {
  margin: 0;
  font-size: 30px;
  line-height: 1.25;
  text-decoration: underline;
  text-decoration-color: var(--deep-pink);
  text-decoration-thickness: 8px;
  text-underline-offset: -2px;
}

.compact {
  margin-bottom: 12px;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.persona-card {
  position: relative;
  overflow: hidden;
  min-height: 280px;
  padding: 24px;
  border: 3px solid var(--black);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
}

.persona-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 14px;
  content: "";
  background: var(--deep-pink);
}

.persona-card:nth-child(2)::before {
  background: var(--mint);
}

.persona-card:nth-child(3)::before {
  background: var(--blue);
}

.persona-label {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 2px 10px;
  border: 2px solid var(--black);
  border-radius: 999px;
  background: var(--lemon);
  font-size: 12px;
  font-weight: 900;
}

.persona-card h3 {
  margin: 16px 0 8px;
  font-size: 22px;
  line-height: 1.35;
}

.persona-card p {
  margin-bottom: 12px;
  color: var(--muted);
  font-weight: 700;
}

.persona-note {
  padding-top: 12px;
  border-top: 3px solid var(--black);
  font-size: 13px;
}

.persona-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.persona-links a {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 2px 10px;
  border: 2px solid var(--black);
  border-radius: 999px;
  background: #fff5fb;
  font-size: 12px;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--black);
}

.guide-item {
  min-height: 112px;
  padding: 18px;
  border: 3px solid var(--black);
  border-radius: 16px;
  background: #fff;
  box-shadow: var(--shadow);
}

.guide-item:nth-child(5n + 1) {
  background: #ffeff6;
}

.guide-item:nth-child(5n + 2) {
  background: #fff1be;
}

.guide-item:nth-child(5n + 3) {
  background: #ffe9dd;
}

.guide-item:nth-child(5n + 4) {
  background: #fde4ef;
}

.guide-item:nth-child(5n) {
  background: #fff7e0;
}

.guide-label {
  display: block;
  margin-bottom: 8px;
  color: var(--black);
  font-size: 13px;
  font-weight: 800;
}

.guide-item strong {
  display: block;
  line-height: 1.45;
  font-size: 18px;
}

.bonus-section{width:min(1180px,calc(100% - 32px));margin:72px auto}.bonus-section .section-heading>p:last-child{max-width:680px;line-height:1.8}.bonus-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.bonus-card{min-height:190px;padding:22px;border:3px solid var(--ink,#342d35);border-radius:24px;background:#fff;color:inherit;text-decoration:none;box-shadow:6px 6px 0 var(--ink,#342d35);transition:.2s}.bonus-card:hover{transform:translate(-2px,-2px);box-shadow:9px 9px 0 var(--ink,#342d35)}.bonus-card span{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#ff4f83;color:#fff;font-weight:900}.bonus-card strong,.bonus-card small{display:block}.bonus-card strong{margin:18px 0 9px;font-size:1.08rem}.bonus-card small{line-height:1.6}.bonus-card:nth-child(2) span{background:#8467dc}.bonus-card:nth-child(3) span{background:#ee9e24}.bonus-card:nth-child(4) span{background:#38a783}@media(max-width:900px){.bonus-grid{grid-template-columns:1fr 1fr}}@media(max-width:540px){.bonus-grid{grid-template-columns:1fr}.bonus-card{min-height:auto}}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  border: 3px solid var(--black);
  border-radius: 18px;
  background: #fff;
  box-shadow: 8px 8px 0 var(--black);
}

.filter-button {
  min-height: 38px;
  padding: 0 12px;
  border: 2px solid var(--black);
  border-radius: 999px;
  color: var(--black);
  background: var(--soft);
  font-weight: 900;
  cursor: pointer;
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

.filter-button:hover,
.filter-button:focus-visible {
  border-color: var(--black);
  color: var(--ink);
  transform: translateY(-1px);
  outline: none;
}

.filter-button.is-active {
  border-color: var(--black);
  color: var(--black);
  background: var(--lemon);
  box-shadow: 4px 4px 0 var(--black);
}

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.gpt-card {
  position: relative;
  overflow: hidden;
  display: grid;
  min-height: 430px;
  grid-template-rows: auto auto auto auto 1fr auto;
  gap: 14px;
  padding: 18px;
  border: 3px solid var(--black);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow);
}

.gpt-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 12px;
  content: "";
  background: var(--deep-pink);
}

.gpt-card[data-category="business"]::before {
  background: var(--deep-pink);
}

.gpt-card[data-category="play"]::before {
  background: var(--lemon);
}

.gpt-card[data-category="free"]::before {
  background: var(--mint);
}

.gpt-card[hidden] {
  display: none;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.card-icon {
  width: 86px;
  height: 86px;
  flex: 0 0 auto;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--soft);
  box-shadow:
    0 0 0 3px var(--black),
    6px 6px 0 var(--lemon);
  object-fit: cover;
}

.card-badges {
  display: grid;
  justify-items: end;
  gap: 8px;
}

.card-number {
  display: inline-grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  border: 2px solid var(--black);
  color: var(--black);
  background: var(--lemon);
  font-weight: 900;
}

.tag {
  min-height: 26px;
  padding: 2px 9px;
  border: 2px solid var(--black);
  border-radius: 999px;
  color: var(--black);
  background: #fff;
  font-size: 12px;
  font-weight: 900;
}

.new-badge {
  display: inline-grid;
  min-height: 24px;
  place-items: center;
  padding: 1px 10px;
  border: 2px solid var(--black);
  border-radius: 999px;
  color: #fff;
  background: var(--deep-pink);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.06em;
  transform: rotate(-6deg);
  box-shadow: 2px 2px 0 var(--black);
  animation: newBadgeWiggle 2.4s ease-in-out infinite;
}

@keyframes newBadgeWiggle {
  0%,
  100% {
    transform: rotate(-6deg);
  }
  50% {
    transform: rotate(3deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .new-badge {
    animation: none;
  }
}

.gpt-card,
.guide-item,
.persona-card {
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.gpt-card:hover,
.guide-item:hover {
  transform: translateY(-4px);
}

.gpt-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  color: var(--black);
}

.card-description {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.use-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-content: start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.use-list li {
  padding: 4px 8px;
  border: 2px solid var(--black);
  border-radius: 999px;
  background: #fff5fb;
  font-size: 12px;
  font-weight: 800;
}

.best-for {
  margin: 0;
  padding: 10px 0 0;
  border-top: 3px solid var(--black);
  color: var(--muted);
  font-size: 13px;
}

.card-details {
  border: 2px solid var(--black);
  border-radius: 14px;
  background: #fffdf3;
}

.card-details summary {
  min-height: 40px;
  padding: 8px 10px;
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
}

.card-details[open] summary {
  border-bottom: 2px solid var(--black);
}

.detail-block {
  padding: 10px 12px 0;
}

.detail-block:last-child {
  padding-bottom: 12px;
}

.detail-block p {
  margin: 0 0 6px;
  color: var(--black);
  font-size: 12px;
  font-weight: 800;
}

.detail-block ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.open-link {
  width: 100%;
  margin-top: 2px;
}

.combo-list {
  display: grid;
  gap: 10px;
}

.combo-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) minmax(260px, 1.25fr);
  gap: 12px;
  align-items: center;
  padding: 16px;
  border: 3px solid var(--black);
  border-radius: 16px;
  background: #fff;
  box-shadow: 7px 7px 0 rgba(17, 17, 17, 0.9);
}

.combo-row > span {
  font-weight: 700;
}

.combo-row strong {
  display: inline-grid;
  width: 38px;
  height: 38px;
  min-height: 38px;
  min-width: 38px;
  justify-self: center;
  align-self: center;
  place-items: center;
  border: 2px solid var(--black);
  border-radius: 999px;
  color: var(--black);
  background: var(--lemon);
  line-height: 1;
  box-shadow: 3px 3px 0 var(--deep-pink);
}

.combo-row p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.copy-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  padding: 24px;
  border: 3px solid var(--black);
  border-radius: 18px;
  background:
    linear-gradient(135deg, rgba(255, 217, 74, 0.42), rgba(255, 79, 131, 0.22), rgba(255, 145, 89, 0.18)),
    #fff;
  box-shadow: var(--shadow);
}

.copy-box h2 {
  margin-bottom: 8px;
  font-size: 24px;
}

.copy-box p:last-child {
  margin-bottom: 0;
  color: var(--muted);
}

.copy-button {
  min-width: 150px;
  padding: 0 18px;
  cursor: pointer;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 36px;
  border-top: 4px solid var(--black);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--black);
  font-weight: 900;
}

/* パスコード画面（購入者限定） */
#pc-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(circle, rgba(255, 79, 131, 0.12) 5px, transparent 6px),
    radial-gradient(circle, rgba(255, 79, 131, 0.07) 4px, transparent 5px),
    linear-gradient(180deg, #fff7fb 0%, #fff 45%, #fff2f7 100%);
  background-size: 56px 56px, 56px 56px, auto;
  background-position: 0 0, 28px 28px, 0 0;
}

#pc-box {
  width: 100%;
  max-width: 380px;
  padding: 32px 28px;
  border: 3px solid var(--black);
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
  text-align: center;
}

#pc-icon {
  width: 96px;
  height: 96px;
  margin-bottom: 14px;
  border: 4px solid #fff;
  border-radius: 50%;
  box-shadow:
    0 0 0 3px var(--black),
    6px 6px 0 var(--lemon);
}

.pc-badge {
  display: inline-block;
  margin-bottom: 14px;
  padding: 4px 14px;
  border: 2px solid var(--black);
  border-radius: 999px;
  color: #fff;
  background: var(--deep-pink);
  font-size: 11px;
  font-weight: 900;
}

.pc-title {
  margin-bottom: 6px;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.3;
  color: var(--ink);
}

.pc-sub {
  margin-bottom: 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

#pc-input {
  width: 100%;
  padding: 13px;
  border: 3px solid var(--black);
  border-radius: 14px;
  font-family: inherit;
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 6px;
  outline: none;
  transition: box-shadow 0.15s ease, border-color 0.15s ease;
}

#pc-input:focus {
  border-color: var(--deep-pink);
  box-shadow: 4px 4px 0 var(--deep-pink);
}

#pc-err {
  min-height: 18px;
  margin-top: 10px;
  color: var(--deep-pink);
  font-size: 12px;
  font-weight: 700;
}

#pc-btn {
  width: 100%;
  margin-top: 12px;
  padding: 13px;
  border: 3px solid var(--black);
  border-radius: 999px;
  color: #fff;
  background: var(--black);
  font-family: inherit;
  font-size: 15px;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 5px 5px 0 var(--deep-pink);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}

#pc-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--deep-pink);
}

#pc-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0 var(--deep-pink);
}

@media (max-width: 980px) {
  .header-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 280px;
  }

  .hero-visual img {
    width: min(78vw, 280px);
  }

  .persona-grid,
  .guide-grid,
  .cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .combo-row {
    grid-template-columns: 1fr;
  }

  .combo-row strong {
    width: 34px;
    height: 34px;
    min-width: 34px;
    min-height: 34px;
    transform: rotate(-8deg);
  }

}

@media (max-width: 640px) {
  .header-inner,
  main,
  .site-footer {
    width: min(100% - 24px, 1120px);
  }

  .header-inner {
    min-height: auto;
    padding: 42px 0 34px;
  }

  h1 {
    font-size: 44px;
    text-shadow:
      3px 3px 0 var(--black),
      6px 6px 0 rgba(194, 38, 110, 0.95);
  }

  .lead {
    font-size: 15px;
  }

  .section-heading {
    display: block;
  }

  .persona-grid,
  .guide-grid,
  .cards,
  .copy-box {
    grid-template-columns: 1fr;
  }

  .gpt-card {
    min-height: 0;
  }

  .card-icon {
    width: 76px;
    height: 76px;
  }

  .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 12px;
    box-shadow: 5px 5px 0 var(--black);
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .site-footer {
    display: block;
  }

  .site-footer p {
    margin-bottom: 10px;
  }
}