:root {
  --pink: #ee6f8f;
  --pink-deep: #d84f73;
  --pink-pale: #fde8ee;
  --mint: #65c4c5;
  --mint-pale: #e5f6f6;
  --cream: #fff8ef;
  --yellow: #f6c769;
  --ink: #3f4852;
  --muted: #66727e;
  --line: #eadfda;
  --bg: #fbfaf8;
  --surface: #ffffff;
  --surface-warm: #f6f0ec;
  --shadow: 0 24px 70px rgba(69, 54, 48, 0.13);
  --display: "Zen Maru Gothic", "Noto Sans JP", "Hiragino Maru Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.8;
}

.svg-defs {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

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

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

h1,
h2,
h3,
.button,
.eyebrow {
  font-family: var(--display);
}

h1 {
  margin-bottom: 28px;
  font-size: clamp(48px, 5.2vw, 76px);
  line-height: 1.08;
  letter-spacing: 0;
  font-weight: 900;
}

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

.heading-line {
  display: inline-block;
  white-space: nowrap;
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(34px, 4.2vw, 58px);
  line-height: 1.25;
  letter-spacing: 0;
  font-weight: 900;
  text-wrap: balance;
}

h3 {
  margin-bottom: 12px;
  font-size: clamp(26px, 2.8vw, 40px);
  line-height: 1.25;
  font-weight: 900;
  text-wrap: balance;
}

.site-header {
  position: fixed;
  z-index: 10;
  inset: 0 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 16px clamp(22px, 5vw, 72px);
  border-bottom: 1px solid rgba(234, 223, 218, 0.82);
  background: rgba(251, 250, 248, 0.9);
  backdrop-filter: blur(18px);
}

.site-header nav {
  display: flex;
  align-items: center;
}

.site-header nav {
  gap: clamp(22px, 3.4vw, 42px);
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.hero {
  min-height: min(820px, 92vh);
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(420px, 1.04fr);
  gap: clamp(42px, 7vw, 96px);
  align-items: center;
  padding: 126px clamp(24px, 5vw, 72px) 72px;
  background: var(--surface);
}

.hero-copy {
  max-width: 760px;
}

.eyebrow {
  margin-bottom: 16px;
  color: var(--pink-deep);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(20px, 1.9vw, 25px);
  line-height: 2;
  font-weight: 500;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 900;
}

.primary {
  color: #fff;
  background: var(--pink);
  box-shadow: 0 14px 30px rgba(238, 111, 143, 0.28);
}

.secondary {
  color: var(--pink-deep);
  background: #fff;
  border-color: var(--line);
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 520px;
}

.art-frame {
  position: relative;
  overflow: hidden;
  clip-path: url("#squircle");
  background:
    radial-gradient(circle at 20% 18%, rgba(255, 255, 255, 0.95) 0 13%, transparent 14%),
    linear-gradient(135deg, var(--pink-pale), var(--mint-pale) 56%, var(--cream));
  box-shadow: var(--shadow);
}

.hero-frame {
  width: min(560px, 100%);
  aspect-ratio: 1;
  box-shadow: 0 22px 64px rgba(69, 54, 48, 0.16);
}

.art-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.section {
  padding: clamp(84px, 10vw, 132px) clamp(24px, 5vw, 72px);
  scroll-margin-top: 84px;
}

.section-head {
  max-width: 980px;
}

.section-head p,
.design-cards p,
.work-grid p,
.benchmark-card p,
.start-section p,
.start-card p,
.video-copy p {
  color: var(--muted);
  font-size: clamp(17px, 1.45vw, 21px);
  line-height: 1.9;
}

.design-section {
  background: var(--surface);
}

.showcase-grid {
  display: grid;
  gap: 22px;
  margin-top: 52px;
}

.showcase-grid article,
.work-grid article,
.benchmark-card {
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 14px 42px rgba(69, 54, 48, 0.07);
}

.showcase-grid article {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(420px, 1fr);
  gap: clamp(28px, 5vw, 68px);
  align-items: center;
  height: clamp(430px, 36vw, 500px);
  padding: clamp(28px, 4vw, 48px);
  border-radius: 30px;
}

.showcase-copy {
  align-self: stretch;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.showcase-grid article:nth-child(even) .showcase-copy {
  order: 2;
}

.showcase-grid article:nth-child(even) .art-frame {
  order: 1;
}

.showcase-grid .art-frame {
  width: 100%;
  height: clamp(258px, 25vw, 338px);
  aspect-ratio: 16 / 10;
  align-self: center;
}

.showcase-copy > span,
.work-grid article > span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  margin-bottom: 26px;
  padding: 0 18px;
  border-radius: 999px;
  color: var(--pink-deep);
  background: var(--pink-pale);
  font-family: var(--display);
  font-size: 18px;
  font-weight: 900;
}

.showcase-grid article:nth-child(2) .showcase-copy > span,
.work-grid article:nth-child(2) > span,
.work-grid article:nth-child(4) > span {
  color: #2f7779;
  background: var(--mint-pale);
}

.work-grid article:nth-child(3) > span {
  color: #8a6415;
  background: #fff1cf;
}

.work-grid article:nth-child(1) > span {
  color: #5266a8;
  background: #eef1ff;
}

.work-grid article:nth-child(4) > span {
  color: #87579b;
  background: #f4eaff;
}

.work-section {
  background: var(--bg);
}

.work-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 52px;
}

.work-grid article {
  min-height: 520px;
  padding: 24px 26px 30px;
  border-radius: 30px;
}

.card-art {
  aspect-ratio: 16 / 10;
  margin-bottom: 26px;
  box-shadow: 0 14px 30px rgba(69, 54, 48, 0.08);
}

.work-grid h3 {
  font-size: clamp(30px, 3.4vw, 48px);
}

.benchmark-section {
  background: var(--surface-warm);
}

.benchmark-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 52px;
}

.benchmark-card {
  padding: 30px;
  border-radius: 26px;
}

.benchmark-card h3 {
  font-size: clamp(28px, 3vw, 42px);
}

.benchmark-card p {
  min-height: 40px;
}

.bar-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.bar-list div {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) 70px;
  gap: 12px;
  align-items: center;
}

.bar-list span,
.bar-list b {
  font-family: var(--display);
  font-weight: 900;
}

.bar-list b {
  text-align: right;
  color: var(--pink-deep);
}

.bar-list i {
  grid-column: 1 / -1;
  height: 17px;
  display: block;
  border-radius: 999px;
  background:
    linear-gradient(90deg, var(--pink) 0 calc(var(--score) * 1%), transparent calc(var(--score) * 1%)),
    var(--pink-pale);
}

.benchmark-card:nth-child(2) .bar-list i {
  background:
    linear-gradient(90deg, var(--mint) 0 calc(var(--score) * 1%), transparent calc(var(--score) * 1%)),
    var(--mint-pale);
}

.benchmark-card:nth-child(3) .bar-list i {
  background:
    linear-gradient(90deg, var(--yellow) 0 calc(var(--score) * 1%), transparent calc(var(--score) * 1%)),
    #fff1cf;
}

.benchmark-card:nth-child(4) .bar-list i {
  background:
    linear-gradient(90deg, var(--ink) 0 calc(var(--score) * 1%), transparent calc(var(--score) * 1%)),
    #edf1f4;
}

.source-note {
  max-width: 1040px;
  margin: 32px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.start-section {
  background:
    linear-gradient(135deg, rgba(253, 232, 238, 0.82), rgba(229, 246, 246, 0.78)),
    var(--surface);
}

.start-head {
  max-width: 960px;
}

.start-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 50px;
}

.start-card,
.video-panel {
  border: 1px solid rgba(234, 223, 218, 0.9);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: 0 16px 48px rgba(69, 54, 48, 0.08);
}

.start-card {
  min-height: 360px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(28px, 4vw, 46px);
  border-radius: 30px;
}

.start-card span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-bottom: 24px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--pink-deep);
  background: var(--pink-pale);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 900;
}

.codex-card span {
  color: #2f7779;
  background: var(--mint-pale);
}

.start-card h3 {
  font-size: clamp(32px, 3.8vw, 52px);
}

.start-card p {
  margin-bottom: 30px;
}

.start-card .button {
  margin-top: auto;
}

.video-panel {
  display: grid;
  grid-template-columns: minmax(280px, 0.74fr) minmax(420px, 1fr);
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
  margin-top: 22px;
  padding: clamp(24px, 4vw, 42px);
  border-radius: 34px;
}

.video-copy h3 {
  font-size: clamp(30px, 3.4vw, 46px);
}

.video-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 16px 42px rgba(69, 54, 48, 0.12);
}

.video-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
}

.video-cover {
  position: absolute;
  inset: 0;
  display: none;
  place-items: center;
  padding: 24px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(238, 111, 143, 0.38), rgba(101, 196, 197, 0.28)),
    url("https://img.youtube.com/vi/mKOLbleaHJU/hqdefault.jpg") center / cover;
  font-family: var(--display);
  font-size: clamp(19px, 2vw, 28px);
  font-weight: 900;
  text-align: center;
}

.file-preview .video-cover {
  display: grid;
}

.video-button {
  margin-top: 18px;
}

.video-cover::before {
  content: "";
  position: absolute;
  width: 70px;
  height: 70px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.24);
  box-shadow: 0 16px 34px rgba(63, 72, 82, 0.24);
  transform: translateY(-30px);
}

.video-cover::after {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-top: 13px solid transparent;
  border-bottom: 13px solid transparent;
  border-left: 20px solid #fff;
  transform: translate(4px, -30px);
}

.video-cover span {
  position: relative;
  z-index: 1;
  margin-top: 104px;
  padding: 10px 18px;
  border-radius: 999px;
  background: rgba(63, 72, 82, 0.28);
  backdrop-filter: blur(12px);
}

.start-section p:last-child {
  margin-bottom: 0;
}

.recipe-page {
  background: var(--surface);
}

.recipe-hero {
  min-height: min(780px, 88vh);
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1fr);
  gap: clamp(34px, 6vw, 86px);
  align-items: center;
  padding: 126px clamp(24px, 5vw, 72px) 72px;
  background: var(--surface);
}

.recipe-hero-copy {
  max-width: 760px;
}

.recipe-label {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  margin-bottom: 22px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--pink-deep);
  background: var(--pink-pale);
  font-family: var(--display);
  font-size: 16px;
  font-weight: 900;
}

.recipe-hero-art {
  width: min(520px, 100%);
  aspect-ratio: 1;
}

.recipe-summary {
  background: var(--bg);
}

.summary-grid,
.shot-grid,
.prompt-grid,
.check-grid {
  display: grid;
  gap: 22px;
  margin-top: 48px;
}

.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.summary-grid article,
.shot-grid article,
.prompt-grid article,
.check-grid article {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: 0 14px 42px rgba(69, 54, 48, 0.07);
}

.summary-grid article,
.shot-grid article,
.check-grid article {
  padding: 30px;
}

.summary-grid span,
.shot-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-bottom: 18px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--pink-deep);
  background: var(--pink-pale);
  font-family: var(--display);
  font-size: 15px;
  font-weight: 900;
}

.summary-grid h3,
.shot-grid h3,
.check-grid h3 {
  font-size: clamp(24px, 2.4vw, 34px);
}

.recipe-flow-section {
  background: var(--surface);
}

.flow-list {
  display: grid;
  gap: 16px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 26px 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 10px 30px rgba(69, 54, 48, 0.05);
}

.flow-list li > span {
  display: grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 999px;
  color: #fff;
  background: var(--pink);
  font-family: var(--display);
  font-weight: 900;
}

.flow-list h3 {
  margin-bottom: 6px;
  font-size: clamp(23px, 2.4vw, 32px);
}

.flow-list p,
.summary-grid p,
.shot-grid p,
.prompt-grid p,
.check-grid p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.35vw, 19px);
  line-height: 1.85;
}

.shot-section,
.template-section {
  background: var(--surface-warm);
}

.shot-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.shot-grid b {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-family: var(--display);
  font-size: clamp(36px, 4.4vw, 58px);
  line-height: 1;
}

.prompt-section {
  background: var(--surface);
}

.prompt-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.prompt-grid article {
  overflow: hidden;
}

.prompt-grid h3 {
  padding: 26px 26px 0;
  font-size: clamp(24px, 2.4vw, 34px);
}

.prompt-grid pre,
.design-template {
  overflow: auto;
  margin: 0;
  color: #2f3a44;
  background: #fffaf6;
  font-size: 14px;
  line-height: 1.75;
  white-space: pre-wrap;
}

.prompt-grid pre {
  min-height: 280px;
  padding: 0 26px 28px;
}

.design-template {
  max-height: 720px;
  margin-top: 48px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  box-shadow: 0 14px 42px rgba(69, 54, 48, 0.07);
}

.checklist-section {
  background: var(--bg);
}

.check-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 980px) {
  .site-header nav {
    display: none;
  }

  .recipe-hero,
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    min-height: 0;
  }

  .showcase-grid article,
  .start-grid,
  .video-panel,
  .benchmark-layout,
  .summary-grid,
  .shot-grid,
  .prompt-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .showcase-grid article {
    height: auto;
  }

  .showcase-grid .art-frame {
    height: auto;
  }

  .showcase-grid article:nth-child(even) .showcase-copy,
  .showcase-grid article:nth-child(even) .art-frame {
    order: initial;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .site-header {
    min-height: 64px;
  }

  .hero,
  .section {
    padding-left: 20px;
    padding-right: 20px;
  }

  .hero {
    min-height: auto;
    padding-top: 94px;
  }

  .recipe-hero {
    min-height: auto;
    padding-top: 94px;
  }

  h1 {
    font-size: clamp(38px, 10vw, 43px);
    line-height: 1.16;
  }

  h2 {
    font-size: 32px;
    line-height: 1.35;
  }

  h3 {
    font-size: 26px;
  }

  .lead {
    font-size: 18px;
    line-height: 1.85;
  }

  .actions,
  .button {
    width: 100%;
  }

  .hero-frame {
    width: 100%;
  }

  .work-grid {
    grid-template-columns: 1fr;
  }

  .work-grid article {
    min-height: auto;
    padding: 18px 18px 26px;
  }

  .showcase-grid article {
    padding: 20px;
  }

  .flow-list li {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 22px;
  }

  .prompt-grid pre,
  .design-template {
    font-size: 13px;
  }

  .showcase-copy > span,
  .work-grid article > span {
    min-height: 36px;
    margin-bottom: 18px;
    padding: 0 14px;
    font-size: 15px;
  }

  .bar-list div {
    grid-template-columns: minmax(0, 1fr) 62px;
  }
}