@import url('https://fonts.googleapis.com/css2?family=M+PLUS+Rounded+1c:wght@400;500;700;800&family=Noto+Sans+SC:wght@400;500;700&display=swap');

:root {
  --ink: #1c2430;
  --ink-soft: #3a4656;
  --paper: #fff7f2;
  --paper-2: #ffece3;
  --coral: #e85d4c;
  --coral-deep: #c94335;
  --teal: #1f8a84;
  --teal-soft: #7fd4ce;
  --sand: #f3c79b;
  --mist: rgba(255, 255, 255, 0.55);
  --line: rgba(28, 36, 48, 0.08);
  --shadow: 0 18px 48px rgba(28, 36, 48, 0.12);
  --radius: 22px;
  --max: 1120px;
  --nav-h: 64px;
  --promo-h: auto;
  --font-display: 'M PLUS Rounded 1c', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'M PLUS Rounded 1c', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #ffd6c8 0%, transparent 55%),
    radial-gradient(900px 500px at 90% 5%, #c9f3ef 0%, transparent 50%),
    linear-gradient(180deg, var(--paper) 0%, #fff 42%, var(--paper-2) 100%);
  line-height: 1.85;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--teal);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--coral-deep);
}

.pkb-wrap {
  width: min(100% - 32px, var(--max));
  margin-inline: auto;
}

.pkb-skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.pkb-skip:focus {
  left: 16px;
  z-index: 100;
  background: #fff;
  padding: 8px 12px;
}

/* top promo */
.pkb-promo {
  background: linear-gradient(90deg, #fff 0%, #ffe8df 50%, #e8fbf8 100%);
  border-bottom: 1px solid var(--line);
  padding: 10px 0 6px;
}

.pkb-promo-inner {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.pkb-promo-item {
  width: 70px;
  text-align: center;
}

.pkb-promo-item a {
  display: inline-block;
  border-radius: 16px;
  text-decoration: none;
}

.pkb-promo-item img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 8px 20px rgba(28, 36, 48, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.pkb-promo-item img:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 26px rgba(28, 36, 48, 0.18);
}

.pkb-promo-item span {
  display: block;
  margin-top: 4px;
  font-size: 11px;
  color: #666;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* nav */
.pkb-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(255, 247, 242, 0.82);
  border-bottom: 1px solid var(--line);
  height: var(--nav-h);
}

.pkb-nav-row {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.pkb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}

.pkb-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 6px 16px rgba(232, 93, 76, 0.25);
}

.pkb-brand strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.pkb-menu {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.pkb-menu a {
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 8px 12px;
  border-radius: 999px;
  transition: background 0.2s ease, color 0.2s ease;
}

.pkb-menu a:hover,
.pkb-menu a.is-on {
  background: rgba(31, 138, 132, 0.12);
  color: var(--teal);
}

.pkb-burger {
  display: none;
  border: 0;
  background: transparent;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  cursor: pointer;
}

.pkb-burger span {
  display: block;
  height: 2px;
  margin: 6px 8px;
  background: var(--ink);
  border-radius: 2px;
}

/* sticky download dock */
.pkb-dock {
  position: sticky;
  top: var(--nav-h);
  z-index: 40;
  display: none;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}

.pkb-dock.is-show {
  display: block;
  animation: pkb-slide 0.28s ease;
}

@keyframes pkb-slide {
  from { transform: translateY(-8px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.pkb-dock-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px 6px;
  justify-items: center;
}

@media (min-width: 900px) {
  .pkb-dock-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }
}

.pkb-dock-item {
  width: 100%;
  max-width: 72px;
  text-align: center;
}

.pkb-dock-item a {
  text-decoration: none;
}

.pkb-dock-item img {
  width: 52px;
  height: 52px;
  margin: 0 auto;
  border-radius: 14px;
  object-fit: cover;
  box-shadow: 0 6px 14px rgba(28, 36, 48, 0.12);
}

.pkb-dock-item span {
  display: block;
  font-size: 10px;
  color: #666;
  margin-top: 3px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* hero */
.pkb-hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: grid;
  align-items: end;
  padding: 48px 0 64px;
  overflow: hidden;
}

.pkb-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(232, 93, 76, 0.18), transparent 42%),
    linear-gradient(320deg, rgba(31, 138, 132, 0.18), transparent 40%),
    url('feat-comic-serial.jpg') center / cover no-repeat;
  filter: saturate(1.05) contrast(1.02);
  transform: scale(1.04);
  animation: pkb-drift 18s ease-in-out infinite alternate;
  z-index: -2;
}

.pkb-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 247, 242, 0.25) 0%, rgba(255, 247, 242, 0.55) 45%, rgba(255, 247, 242, 0.96) 100%);
  z-index: -1;
}

@keyframes pkb-drift {
  from { transform: scale(1.04) translateY(0); }
  to { transform: scale(1.08) translateY(-12px); }
}

.pkb-hero-panel {
  max-width: 720px;
  padding: 28px 28px 24px;
  border-radius: 28px;
  background: var(--mist);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow);
  animation: pkb-rise 0.8s ease both;
}

@keyframes pkb-rise {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.pkb-kicker {
  display: inline-block;
  font-size: 0.82rem;
  letter-spacing: 0.18em;
  color: var(--teal);
  font-weight: 700;
  margin-bottom: 10px;
}

.pkb-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 6vw, 3.4rem);
  line-height: 1.25;
  margin: 0 0 14px;
  font-weight: 800;
}

.pkb-hero p {
  margin: 0;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

/* breadcrumb */
.pkb-crumb {
  padding: 18px 0 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.pkb-crumb a {
  text-decoration: none;
  color: var(--teal);
}

.pkb-crumb span {
  margin: 0 6px;
  opacity: 0.5;
}

/* sections */
.pkb-main {
  padding-bottom: 72px;
}

.pkb-block {
  margin-top: 56px;
  animation: pkb-rise 0.7s ease both;
}

.pkb-block h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.5vw, 2rem);
  margin: 0 0 14px;
  line-height: 1.35;
}

.pkb-block h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  margin: 28px 0 10px;
  color: var(--coral-deep);
}

.pkb-block p {
  margin: 0 0 16px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}

.pkb-lead {
  font-size: 1.08rem;
  color: var(--ink);
}

/* zigzag media */
.pkb-split {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 22px;
}

@media (min-width: 860px) {
  .pkb-split {
    grid-template-columns: 1.05fr 0.95fr;
  }
  .pkb-split.is-flip {
    grid-template-columns: 0.95fr 1.05fr;
  }
  .pkb-split.is-flip .pkb-shot {
    order: -1;
  }
}

.pkb-shot {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

.pkb-shot img {
  width: 100%;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  object-position: top center;
  max-height: 560px;
}

.pkb-shot::after {
  content: '';
  position: absolute;
  inset: auto 0 0;
  height: 28%;
  background: linear-gradient(transparent, rgba(28, 36, 48, 0.18));
  pointer-events: none;
}

/* cards */
.pkb-cards {
  display: grid;
  gap: 16px;
  margin-top: 20px;
}

@media (min-width: 700px) {
  .pkb-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.pkb-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: 0 10px 28px rgba(28, 36, 48, 0.06);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.pkb-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}

.pkb-card h3 {
  margin-top: 0;
  color: var(--ink);
}

.pkb-card p {
  margin-bottom: 0;
  font-size: 0.98rem;
}

.pkb-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--coral);
  margin-bottom: 8px;
}

.pkb-pill::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--coral), var(--sand));
}

/* mosaic */
.pkb-mosaic {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

@media (min-width: 760px) {
  .pkb-mosaic {
    grid-template-columns: 1.2fr 1fr 1fr;
    grid-template-rows: auto auto;
  }
  .pkb-mosaic .pkb-tile:first-child {
    grid-row: span 2;
  }
}

.pkb-tile {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  min-height: 180px;
  box-shadow: 0 12px 30px rgba(28, 36, 48, 0.1);
}

.pkb-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 180px;
  transition: transform 0.5s ease;
}

.pkb-tile:hover img {
  transform: scale(1.05);
}

.pkb-tile figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 14px 16px;
  color: #fff;
  font-size: 0.92rem;
  background: linear-gradient(transparent, rgba(28, 36, 48, 0.72));
}

/* quote strip */
.pkb-quote {
  margin-top: 28px;
  padding: 28px 26px;
  border-radius: 24px;
  background: linear-gradient(120deg, rgba(31, 138, 132, 0.12), rgba(232, 93, 76, 0.12));
  border: 1px solid rgba(31, 138, 132, 0.15);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

/* legal / long text */
.pkb-prose {
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 28px 22px;
  margin-top: 24px;
}

.pkb-prose h1 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 16px;
}

.pkb-prose h2 {
  margin-top: 32px;
}

.pkb-prose ul,
.pkb-prose ol {
  padding-left: 1.2em;
  color: var(--ink-soft);
}

.pkb-prose li {
  margin-bottom: 8px;
}

/* error pages */
.pkb-error {
  min-height: 62vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.pkb-error h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 8vw, 4.5rem);
  margin: 0 0 8px;
  background: linear-gradient(120deg, var(--coral), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.pkb-error p {
  color: var(--ink-soft);
  max-width: 480px;
  margin: 0 auto 22px;
}

.pkb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--coral), #f08a55);
  color: #fff !important;
  text-decoration: none !important;
  font-weight: 700;
  box-shadow: 0 10px 24px rgba(232, 93, 76, 0.28);
  transition: transform 0.2s ease;
}

.pkb-btn:hover {
  transform: translateY(-2px);
}

.pkb-btn.is-ghost {
  background: transparent;
  color: var(--teal) !important;
  border: 1px solid rgba(31, 138, 132, 0.35);
  box-shadow: none;
  margin-left: 8px;
}

/* footer */
.pkb-foot {
  margin-top: 64px;
  padding: 36px 0 48px;
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.45);
}

.pkb-foot-grid {
  display: grid;
  gap: 24px;
}

@media (min-width: 760px) {
  .pkb-foot-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

.pkb-foot h3 {
  font-family: var(--font-display);
  margin: 0 0 12px;
  font-size: 1.05rem;
}

.pkb-foot p,
.pkb-foot a {
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.pkb-foot a {
  display: block;
  text-decoration: none;
  margin-bottom: 8px;
}

.pkb-foot a:hover {
  color: var(--coral);
}

.pkb-copy {
  margin-top: 28px;
  font-size: 0.85rem;
  color: #7a8492;
}

/* timeline */
.pkb-steps {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.pkb-step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
}

.pkb-step b {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, var(--teal), var(--teal-soft));
  color: #fff;
  font-family: var(--font-display);
}

/* faq */
.pkb-faq details {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 10px;
}

.pkb-faq summary {
  cursor: pointer;
  font-weight: 700;
  font-family: var(--font-display);
}

.pkb-faq p {
  margin: 10px 0 0;
}

/* mobile nav */
@media (max-width: 820px) {
  .pkb-burger {
    display: inline-block;
  }
  .pkb-menu {
    display: none;
    position: absolute;
    right: 16px;
    top: calc(var(--nav-h) + 8px);
    flex-direction: column;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 10px;
    box-shadow: var(--shadow);
    min-width: 180px;
  }
  .pkb-menu.is-open {
    display: flex;
  }
  .pkb-hero {
    min-height: 72vh;
    padding-top: 28px;
  }
  .pkb-hero-panel {
    padding: 22px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}