@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&family=Zen+Maru+Gothic:wght@500;700;900&display=swap");

:root {
  --mesa-ink: #13232c;
  --mesa-ink-soft: #3a4f5c;
  --mesa-sky: #d9f0f7;
  --mesa-foam: #f5fcff;
  --mesa-mint: #1f9e8f;
  --mesa-coral: #ff5b3d;
  --mesa-coral-deep: #e03d22;
  --mesa-sun: #ffc857;
  --mesa-line: rgba(19, 35, 44, 0.1);
  --mesa-glass: rgba(255, 255, 255, 0.55);
  --mesa-shadow: 0 18px 40px rgba(19, 55, 70, 0.12);
  --mesa-radius: 22px;
  --mesa-max: 1080px;
  --mesa-nav-h: 64px;
  --mesa-rail-h: 92px;
}

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

html {
  scroll-behavior: smooth;
}

body.mesa-body {
  margin: 0;
  font-family: "Noto Sans SC", "Zen Maru Gothic", sans-serif;
  color: var(--mesa-ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #b8e6f4 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #ffe1d4 0%, transparent 50%),
    linear-gradient(180deg, #eaf7fb 0%, var(--mesa-foam) 38%, #eef8f4 100%);
  line-height: 1.75;
  min-height: 100vh;
}

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

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

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

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

.mesa-topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(245, 252, 255, 0.78);
  border-bottom: 1px solid var(--mesa-line);
}

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

.mesa-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--mesa-ink);
  text-decoration: none;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.mesa-brand img {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(31, 158, 143, 0.25);
}

.mesa-burger {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid var(--mesa-line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  flex-shrink: 0;
}

.mesa-burger span {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: var(--mesa-ink);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.mesa-burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.mesa-burger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.mesa-burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mesa-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  font-size: 15px;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  padding: 8px 16px 14px;
  background: rgba(245, 252, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--mesa-line);
  box-shadow: 0 14px 28px rgba(19, 55, 70, 0.1);
}

.mesa-nav.is-open {
  display: flex;
}

.mesa-nav a {
  color: var(--mesa-ink-soft);
  text-decoration: none;
  font-weight: 500;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(19, 35, 44, 0.06);
}

.mesa-nav a:last-child {
  border-bottom: none;
}

.mesa-nav a:hover,
.mesa-nav a.is-active {
  color: var(--mesa-coral);
}

.mesa-promo-strip {
  border-bottom: 1px solid var(--mesa-line);
  background: linear-gradient(90deg, rgba(31, 158, 143, 0.08), rgba(255, 91, 61, 0.08));
  padding: 12px 0 6px;
}

.mesa-promo-strip h2 {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--mesa-ink-soft);
}

.mesa-chip-row,
[data-mesa-ads] {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 8px;
  justify-content: flex-start;
}

.mesa-chip {
  width: calc(25% - 8px);
  max-width: 78px;
  text-decoration: none;
  color: var(--mesa-ink-soft);
  text-align: center;
  font-size: 11px;
}

.mesa-chip img {
  width: 56px;
  height: 56px;
  margin: 0 auto 4px;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: 0 8px 18px rgba(19, 35, 44, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.mesa-chip:hover img {
  transform: translateY(-3px) scale(1.04);
  box-shadow: 0 12px 24px rgba(19, 35, 44, 0.16);
}

.mesa-chip span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mesa-sticky-rail {
  position: fixed;
  top: var(--mesa-nav-h);
  left: 0;
  right: 0;
  z-index: 35;
  transform: translateY(-120%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--mesa-line);
  box-shadow: 0 10px 30px rgba(19, 55, 70, 0.08);
}

.mesa-sticky-rail.is-visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mesa-sticky-rail-inner {
  padding: 10px 0 8px;
}

.mesa-sticky-rail .mesa-chip {
  width: calc(25% - 8px);
}

body.mesa-rail-open {
  scroll-padding-top: calc(var(--mesa-nav-h) + var(--mesa-rail-h));
}

.mesa-hero {
  position: relative;
  overflow: hidden;
  padding: 48px 0 36px;
  isolation: isolate;
}

.mesa-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(31, 158, 143, 0.18), transparent 42%),
    linear-gradient(300deg, rgba(255, 91, 61, 0.16), transparent 40%),
    url("feat-comic-serial.jpg") center / cover no-repeat;
  opacity: 0.22;
  z-index: -2;
  animation: mesaDrift 18s ease-in-out infinite alternate;
}

.mesa-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245, 252, 255, 0.2), rgba(245, 252, 255, 0.92));
  z-index: -1;
}

.mesa-hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.mesa-kicker {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mesa-mint);
  font-weight: 700;
}

.mesa-hero h1 {
  margin: 0 0 14px;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.25;
  font-weight: 900;
}

.mesa-hero-lead {
  margin: 0;
  max-width: 36em;
  color: var(--mesa-ink-soft);
  font-size: 16px;
}

.mesa-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.mesa-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.mesa-btn-primary {
  background: linear-gradient(135deg, var(--mesa-coral), #ff7a4d);
  color: #fff;
  box-shadow: 0 12px 24px rgba(255, 91, 61, 0.28);
}

.mesa-btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
}

.mesa-btn-ghost {
  background: var(--mesa-glass);
  border-color: rgba(19, 35, 44, 0.12);
  color: var(--mesa-ink);
}

.mesa-btn-ghost:hover {
  color: var(--mesa-ink);
  transform: translateY(-2px);
}

.mesa-phone-frame {
  justify-self: center;
  width: min(100%, 280px);
  border-radius: 28px;
  padding: 10px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.35));
  box-shadow: var(--mesa-shadow);
  animation: mesaFloat 5.5s ease-in-out infinite;
}

.mesa-phone-frame img {
  border-radius: 20px;
  width: 100%;
}

.mesa-breadcrumb {
  padding: 18px 0 0;
  font-size: 13px;
  color: var(--mesa-ink-soft);
}

.mesa-breadcrumb a {
  color: var(--mesa-ink-soft);
  text-decoration: none;
}

.mesa-breadcrumb a:hover {
  color: var(--mesa-coral);
}

.mesa-section {
  padding: 42px 0;
}

.mesa-section h2 {
  margin: 0 0 12px;
  font-family: "Zen Maru Gothic", "Noto Sans SC", sans-serif;
  font-size: clamp(22px, 5vw, 32px);
  line-height: 1.35;
}

.mesa-section h3 {
  margin: 28px 0 10px;
  font-size: 20px;
  color: var(--mesa-ink);
}

.mesa-section p {
  margin: 0 0 14px;
  color: var(--mesa-ink-soft);
  font-size: 15.5px;
}

.mesa-prose p {
  text-indent: 0;
}

.mesa-split {
  display: grid;
  gap: 22px;
  align-items: center;
}

.mesa-split-media {
  border-radius: var(--mesa-radius);
  overflow: hidden;
  box-shadow: var(--mesa-shadow);
  background: #fff;
}

.mesa-split-media img {
  width: 100%;
}

.mesa-glass-panel {
  background: var(--mesa-glass);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: var(--mesa-radius);
  padding: 22px;
  box-shadow: var(--mesa-shadow);
  backdrop-filter: blur(10px);
}

.mesa-card-grid {
  display: grid;
  gap: 16px;
}

.mesa-feature-card {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--mesa-line);
  box-shadow: 0 10px 24px rgba(19, 55, 70, 0.06);
  transition: transform 0.2s ease;
}

.mesa-feature-card:hover {
  transform: translateY(-4px);
}

.mesa-feature-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.mesa-feature-card .mesa-card-body {
  padding: 14px 14px 16px;
}

.mesa-feature-card h3 {
  margin: 0 0 6px;
  font-size: 17px;
}

.mesa-feature-card p {
  margin: 0;
  font-size: 14px;
}

.mesa-timeline {
  display: grid;
  gap: 14px;
}

.mesa-timeline-item {
  position: relative;
  padding: 16px 16px 16px 28px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  border-left: 4px solid var(--mesa-mint);
}

.mesa-quote-band {
  margin: 18px 0;
  padding: 20px 22px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(31, 158, 143, 0.12), rgba(255, 91, 61, 0.1));
  border: 1px solid rgba(31, 158, 143, 0.18);
  font-size: 16px;
  color: var(--mesa-ink);
}

.mesa-text-block + .mesa-text-block {
  margin-top: 8px;
}

.mesa-footer {
  margin-top: 40px;
  padding: 36px 0 48px;
  border-top: 1px solid var(--mesa-line);
  background: rgba(19, 35, 44, 0.04);
}

.mesa-footer-grid {
  display: grid;
  gap: 20px;
}

.mesa-footer h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.mesa-footer a {
  display: inline-block;
  margin: 0 12px 8px 0;
  color: var(--mesa-ink-soft);
  text-decoration: none;
  font-size: 14px;
}

.mesa-footer a:hover {
  color: var(--mesa-coral);
}

.mesa-copy {
  margin-top: 18px;
  font-size: 13px;
  color: var(--mesa-ink-soft);
}

.mesa-error-panel {
  min-height: 58vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 48px 0;
}

.mesa-error-panel h1 {
  margin: 0 0 10px;
  font-size: clamp(40px, 12vw, 72px);
  font-family: "Zen Maru Gothic", sans-serif;
  background: linear-gradient(120deg, var(--mesa-mint), var(--mesa-coral));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.mesa-legal h2 {
  margin-top: 28px;
}

.mesa-dy-page {
  min-height: 100vh;
  display: grid;
  place-items: start center;
}

.mesa-dy-wrap {
  width: min(100% - 28px, 720px);
  margin: 40px auto;
  padding: 28px 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.75);
  box-shadow: var(--mesa-shadow);
  text-align: center;
}

.mesa-dy-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 12px;
  border-radius: 18px;
}

.mesa-dy-ads {
  margin-top: 18px;
  justify-content: center;
}

.mesa-dy-ads .mesa-chip {
  width: calc(25% - 8px);
}

.mesa-dy-back {
  margin-top: 24px;
}

@keyframes mesaFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes mesaDrift {
  from {
    transform: scale(1.05) translate3d(0, 0, 0);
  }
  to {
    transform: scale(1.12) translate3d(-2%, 1%, 0);
  }
}

@media (min-width: 720px) {
  .mesa-burger {
    display: none;
  }

  .mesa-nav,
  .mesa-nav.is-open {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px 14px;
    position: static;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom: none;
    box-shadow: none;
    font-size: 14px;
  }

  .mesa-nav a {
    padding: 0;
    border-bottom: none;
  }

  .mesa-chip,
  .mesa-sticky-rail .mesa-chip,
  .mesa-dy-ads .mesa-chip {
    width: calc(12.5% - 8px);
  }

  .mesa-hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .mesa-split {
    grid-template-columns: 1fr 1fr;
  }

  .mesa-split.is-reverse .mesa-split-copy {
    order: 2;
  }

  .mesa-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .mesa-footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
  }
}

@media (min-width: 980px) {
  .mesa-section {
    padding: 56px 0;
  }

  .mesa-card-grid.is-four {
    grid-template-columns: repeat(4, 1fr);
  }
}