:root {
  color-scheme: light;
  --ink: #6b4b78;
  --text: #7b6672;
  --pink: #ffd8eb;
  --pink-deep: #f07fb5;
  --peach: #ffe8cf;
  --cream: #fff8e5;
  --mint: #d9f8e8;
  --sky: #dff3ff;
  --lavender: #efe4ff;
  --white: #ffffff;
  --line: rgba(189, 135, 174, 0.18);
  --shadow: 0 28px 80px rgba(191, 141, 174, 0.22);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(255, 239, 167, 0.78), transparent 28%),
    radial-gradient(circle at 92% 12%, rgba(187, 232, 255, 0.82), transparent 30%),
    radial-gradient(circle at 52% 96%, rgba(255, 209, 229, 0.72), transparent 30%),
    linear-gradient(180deg, #fffaf5 0%, #fff3f8 48%, #f4fffb 100%);
  font-family: "M PLUS Rounded 1c", "Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.85;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  background-image: radial-gradient(circle, rgba(185, 143, 172, 0.28) 1px, transparent 1.5px);
  background-size: 18px 18px;
  content: "";
}

img {
  max-width: 100%;
}

.hero,
.section,
.usage-note,
.site-footer {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 54px 0;
}

.hero-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(320px, 0.94fr) minmax(360px, 1.06fr);
  gap: 34px;
  align-items: center;
  width: 100%;
  min-height: 610px;
  padding: clamp(42px, 6vw, 74px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 44px;
  background:
    radial-gradient(circle at 98% 0%, rgba(255, 206, 216, 0.72), transparent 23%),
    radial-gradient(circle at 6% 100%, rgba(218, 248, 233, 0.62), transparent 28%),
    rgba(255, 255, 255, 0.74);
  box-shadow: var(--shadow);
}

.hero-card::after {
  position: absolute;
  right: 18%;
  bottom: -120px;
  width: 420px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.56);
  content: "";
}

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

.hero-copy {
  max-width: 560px;
}

.tiny-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 18px;
  color: #e985b5;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.tiny-label span {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background:
    linear-gradient(90deg, #9cefcf, #ff8ec2);
}

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

h1 {
  margin-bottom: 24px;
  color: var(--ink);
  font-size: 4.2rem;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0;
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 2.45rem;
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: 0;
}

.balanced-title span {
  display: block;
  white-space: nowrap;
}

h3 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 1.26rem;
  font-weight: 900;
  letter-spacing: 0;
}

.lead {
  max-width: 490px;
  margin-bottom: 28px;
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 800;
}

.lead span {
  display: block;
}

.soft-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.soft-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 7px 18px;
  border-radius: 999px;
  background: var(--white);
  color: #d96fa5;
  font-weight: 900;
  box-shadow: 0 12px 34px rgba(220, 133, 178, 0.16);
}

.download-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 58px;
  padding: 10px 24px 10px 20px;
  overflow: hidden;
  border: 3px solid var(--white);
  border-radius: 999px;
  background:
    linear-gradient(135deg, #ff8fc4 0%, #ffb3d3 48%, #ffe0a8 100%);
  color: var(--white);
  text-decoration: none;
  box-shadow:
    0 18px 42px rgba(240, 127, 181, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

.download-button::before {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: #e86fa8;
  content: "↓";
  font-size: 1.15rem;
  font-weight: 900;
}

.download-button::after {
  position: absolute;
  top: 8px;
  right: 16px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: 14px 10px 0 rgba(255, 255, 255, 0.48);
  content: "";
}

.download-main,
.download-sub {
  display: block;
  line-height: 1.15;
}

.download-main {
  font-size: 1.18rem;
  font-weight: 900;
}

.download-sub {
  margin-top: 3px;
  font-size: 0.78rem;
  font-weight: 800;
  opacity: 0.9;
}

.hero-window {
  justify-self: end;
  width: min(100%, 500px);
  margin: 0;
  padding: 38px 12px 12px;
  overflow: hidden;
  border: 10px solid var(--white);
  border-radius: 30px;
  background: var(--white);
  box-shadow: 0 24px 60px rgba(101, 70, 93, 0.18);
}

.hero-window img {
  display: block;
  width: 100%;
  border-radius: 18px;
}

.hero-creator-credit {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  align-items: center;
  gap: 7px;
  margin-top: 10px;
  color: var(--text);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
}

.hero-creator-credit a {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 3px 11px;
  border: 1px solid rgba(240, 127, 181, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  color: #d96fa5;
  font-weight: 900;
  text-decoration: none;
}

.hero-creator-credit a:hover {
  color: var(--ink);
  background: var(--white);
}

.window-dots {
  position: absolute;
  top: 15px;
  left: 18px;
  display: flex;
  gap: 8px;
}

.window-dots i {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.window-dots i:nth-child(1) {
  background: #ff8fb8;
}

.window-dots i:nth-child(2) {
  background: #ffd36c;
}

.window-dots i:nth-child(3) {
  background: #8eecc7;
}

.section {
  padding: 84px 0;
}

.section-title {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-title p:not(.tiny-label),
.chiruko-copy p {
  color: var(--text);
  font-weight: 700;
}

.section-title .download-button {
  margin-top: 12px;
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.feature-item {
  padding: 14px 14px 24px;
  border: 1px solid var(--line);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 18px 50px rgba(191, 141, 174, 0.14);
}

.feature-item:nth-child(2) {
  background: rgba(255, 250, 221, 0.82);
}

.feature-item:nth-child(3) {
  background: rgba(225, 247, 255, 0.84);
}

.feature-item img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 25px;
}

.feature-item h3,
.feature-item p {
  padding-inline: 10px;
}

.feature-item h3 {
  margin-top: 20px;
}

.feature-item p {
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
}

.chiruko-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.7fr) minmax(420px, 1.3fr);
  gap: 44px;
  align-items: center;
}

.chiruko-copy {
  max-width: 520px;
}

.standee-gallery {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  padding: 28px 24px 0;
  border: 1px solid rgba(255, 255, 255, 0.78);
  border-radius: 38px;
  background:
    radial-gradient(circle at 12% 16%, rgba(255, 255, 255, 0.78), transparent 24%),
    linear-gradient(135deg, rgba(255, 217, 235, 0.9), rgba(221, 248, 238, 0.92));
  box-shadow: var(--shadow);
}

.standee-gallery img {
  align-self: end;
  justify-self: center;
  width: 100%;
  height: 230px;
  object-fit: contain;
  filter: drop-shadow(0 16px 20px rgba(108, 71, 90, 0.15));
}

.visual-section {
  display: grid;
  grid-template-columns: minmax(280px, 0.52fr) minmax(360px, 0.48fr);
  gap: 46px;
  align-items: center;
  padding-bottom: 104px;
}

.booth-visual {
  margin: 0;
  overflow: hidden;
  border: 12px solid var(--white);
  border-radius: 36px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.booth-visual img,
.booth-visual video {
  display: block;
  width: 100%;
}

.booth-visual video {
  height: auto;
  background: #1f120f;
  object-fit: contain;
}

.usage-note {
  margin-top: -28px;
  padding: 24px 0 8px;
  border-top: 1px solid var(--line);
}

.usage-note-title {
  margin-bottom: 4px;
  color: #e985b5;
  font-size: 0.82rem;
  font-weight: 900;
}

.usage-note p:last-child {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.9;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 28px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
}

.site-footer p {
  margin: 0;
}

.creator-credit {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.creator-credit a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 4px 14px;
  border: 1px solid rgba(240, 127, 181, 0.24);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.7);
  color: #d96fa5;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 12px 28px rgba(220, 133, 178, 0.12);
}

.creator-credit a:hover {
  color: var(--ink);
  background: var(--white);
}

@media (max-width: 980px) {
  .hero-card,
  .chiruko-section,
  .visual-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-window {
    justify-self: center;
  }

  h1 {
    font-size: 3.25rem;
  }

  h2 {
    font-size: 2rem;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .hero,
  .section,
  .usage-note,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  .hero {
    padding: 28px 0 42px;
  }

  .hero-card {
    min-height: auto;
    padding: 30px 20px;
    border-radius: 32px;
  }

  h1 {
    font-size: 2.28rem;
  }

  h2 {
    font-size: 1.64rem;
  }

  .lead {
    font-size: 0.98rem;
  }

  .download-button {
    min-height: 54px;
    padding-right: 20px;
  }

  .hero-window {
    padding: 30px 8px 8px;
    border-width: 7px;
    border-radius: 24px;
  }

  .window-dots {
    top: 12px;
    left: 14px;
  }

  .window-dots i {
    width: 8px;
    height: 8px;
  }

  .section {
    padding: 58px 0;
  }

  .standee-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-radius: 28px;
  }

  .standee-gallery img {
    height: 190px;
  }

  .booth-visual {
    border-width: 7px;
    border-radius: 24px;
  }
}