:root {
  --ink: #111a2e;
  --lime: #d8ff3e;
  --violet: #5b46f6;
  --paper: #f2f1ec;
  --tomato: #d83a21;
  --white: #fff;
  --line: rgba(17, 26, 46, .22);
  --max: 1280px;
  --sans: "Arial Narrow", "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --jp: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html {
  width: 100%;
  max-width: 100%;
  scroll-behavior: smooth;
  overflow-x: hidden;
}
body {
  width: 100%;
  max-width: 100%;
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--jp);
  line-height: 1.75;
  overflow-x: hidden;
}
img { display: block; width: 100%; height: auto; }
a { color: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 16px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: relative;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  min-height: 72px;
  padding: 0 clamp(24px, 4vw, 72px);
  background: var(--white);
  border-bottom: 1px solid var(--line);
}
.brand {
  width: fit-content;
  font-family: var(--sans);
  font-size: clamp(1.12rem, 2vw, 1.55rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.03em;
  text-decoration: none;
}
.desktop-nav { display: flex; gap: 28px; margin-right: 32px; }
.desktop-nav a {
  font-size: .78rem;
  font-weight: 700;
  text-decoration: none;
}
.desktop-nav a:hover { text-decoration: underline; text-underline-offset: 5px; }
.header-cta {
  padding: 11px 20px;
  color: var(--white);
  background: var(--tomato);
  font-size: .78rem;
  font-weight: 800;
  text-decoration: none;
}
.menu-button, .mobile-nav { display: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(380px, 5fr) minmax(560px, 7fr);
  gap: clamp(32px, 5vw, 84px);
  align-items: center;
  max-width: var(--max);
  min-height: 710px;
  margin: 0 auto;
  padding: clamp(56px, 6vw, 96px) 32px 78px;
  background: var(--white);
}
.hero__copy { position: relative; z-index: 2; }
.eyebrow {
  display: inline-block;
  margin: 0 0 28px;
  padding: 7px 12px;
  color: var(--white);
  background: var(--ink);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1.4;
}
.eyebrow span { color: var(--lime); }
h1, h2, h3, p { margin-top: 0; }
h1 {
  margin-bottom: 30px;
  font-size: clamp(3.3rem, 6vw, 6.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.075em;
}
.hero__lead { margin-bottom: 28px; font-size: 1rem; font-weight: 600; }
.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 20px;
  min-height: 62px;
  padding: 15px 24px;
  color: var(--white);
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
  text-decoration: none;
  box-shadow: 6px 6px 0 var(--ink);
  transition: transform .2s, box-shadow .2s;
}
.button:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--ink); }
.button--tomato { background: var(--tomato); }
.button-note { margin: 12px 0 0; font-size: .72rem; font-weight: 700; text-align: center; }
.hero__visual { position: relative; align-self: stretch; padding-bottom: 22px; }
.hero__main-photo { height: 52%; min-height: 330px; object-fit: cover; }
.hero__detail-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 7px;
}
.hero__detail-row img { height: 220px; object-fit: cover; }
.review-stamp {
  position: absolute;
  left: -32px;
  top: 44%;
  display: grid;
  place-items: center;
  width: 96px;
  aspect-ratio: 1;
  color: var(--violet);
  border: 3px solid var(--violet);
  border-radius: 50%;
  font-family: var(--sans);
  font-size: .54rem;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
  transform: rotate(-18deg);
}
.tape {
  position: absolute;
  display: block;
  width: 128px;
  height: 32px;
  transform: rotate(-12deg);
  opacity: .92;
}
.tape--lime { right: -36px; bottom: 4px; background: var(--lime); }

.proof { color: var(--white); background: var(--ink); }
.proof dl {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: var(--max);
  margin: 0 auto;
  padding: 34px 32px;
}
.proof dl div { padding: 5px 32px; border-right: 1px solid rgba(255,255,255,.28); text-align: center; }
.proof dl div:last-child { border-right: 0; }
.proof dt { font-size: .72rem; font-weight: 800; }
.proof dd { margin: 0; color: var(--lime); font-family: var(--sans); font-weight: 900; line-height: 1.1; }
.proof dd strong { font-size: clamp(3rem, 5vw, 5rem); }
.proof dd span, .proof dd small { font-size: 1rem; }
.proof__location { display: grid; place-items: center; min-height: 78px; font-size: 1.25rem; }

.section { padding: clamp(76px, 9vw, 142px) max(32px, calc((100vw - var(--max)) / 2 + 32px)); }
.section-index {
  margin-bottom: 14px;
  color: var(--violet);
  font-family: var(--sans);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .18em;
}
.section-index--light { color: var(--lime); }
.section-heading {
  display: grid;
  grid-template-columns: 2fr 7fr;
  gap: 32px;
  align-items: end;
  margin-bottom: 46px;
}
.section-heading h2, .gallery h2, .steps h2, .faq h2 {
  margin-bottom: 0;
  font-size: clamp(2rem, 4vw, 4.2rem);
  line-height: 1.2;
  letter-spacing: -.05em;
}
.section-heading h2 em { color: var(--violet); font-style: normal; }
.stories { position: relative; background: var(--white); overflow: hidden; }
.stories::after {
  content: "";
  position: absolute;
  right: 0;
  top: 98px;
  width: 180px;
  height: 36px;
  background: var(--violet);
  transform: rotate(16deg);
}
.story-grid {
  display: grid;
  grid-template-columns: 1.15fr .85fr .95fr;
  gap: 10px;
}
.story { position: relative; min-height: 390px; overflow: hidden; background: var(--ink); }
.story:nth-child(2) { margin-top: 72px; }
.story:nth-child(3) { margin-top: 20px; }
.story img { height: 100%; object-fit: cover; filter: saturate(.8) contrast(1.03); }
.story::after {
  content: "";
  position: absolute;
  inset: 38% 0 0;
  background: linear-gradient(transparent, rgba(17,26,46,.98));
}
.story__body { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 22px; color: var(--white); }
.story__number { position: absolute; right: 18px; bottom: 8px; color: var(--lime); font-family: var(--sans); font-size: 4rem; font-weight: 900; opacity: .7; }
.story__before { margin-bottom: 4px; font-size: .75rem; font-weight: 800; }
.story__before::after { content: " →"; color: var(--lime); }
.story h3 { margin: 0; font-size: clamp(1.25rem, 2vw, 2rem); line-height: 1.35; }
.fiction-note { margin: 18px 0 0; color: #5d6370; font-size: .7rem; text-align: right; }

.program { position: relative; color: var(--white); background: var(--violet); }
.program::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(105deg, transparent 0 62px, rgba(255,255,255,.025) 62px 64px);
}
.program__heading { position: relative; margin-bottom: 48px; text-align: center; }
.program__heading h2 { margin-bottom: 14px; font-size: clamp(2.4rem, 5vw, 5rem); line-height: 1.2; }
.program__heading h2 span {
  display: inline-block;
  padding: 8px 30px;
  color: var(--violet);
  background: var(--white);
  font-family: "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  font-weight: 700;
  transform: rotate(-1.2deg);
}
.weeks {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.weeks li { display: flex; flex-direction: column; min-width: 0; padding: 22px; color: var(--ink); background: var(--white); }
.weeks li:nth-child(even) { transform: translateY(26px); }
.weeks p { margin: 0; font-family: var(--sans); font-size: .7rem; font-weight: 900; }
.weeks strong { color: var(--violet); font-family: var(--sans); font-size: clamp(3.4rem, 7vw, 6.7rem); line-height: 1; letter-spacing: -.08em; }
.weeks h3 { min-height: 78px; margin: 10px 0 22px; font-size: 1.05rem; line-height: 1.5; }
.weeks img { height: 150px; margin-top: auto; object-fit: cover; filter: saturate(.75); }

.gallery { display: grid; grid-template-columns: 1fr 2fr; gap: 48px 60px; background: var(--paper); }
.gallery__intro { grid-row: span 2; align-self: center; }
.gallery__intro h2 { margin-bottom: 28px; }
.gallery__intro > p:last-child { max-width: 34em; font-size: .9rem; }
.gallery__people, .gallery__works { display: grid; gap: 8px; }
.gallery__people { grid-template-columns: 1fr .9fr 1.15fr; }
.gallery__works { grid-template-columns: repeat(4, 1fr); }
.gallery__people img { height: 168px; object-fit: cover; }
.gallery__works img { height: 132px; object-fit: cover; }

.support { display: grid; grid-template-columns: 1fr 1.2fr; gap: 80px; background: var(--white); }
.support .section-heading { display: block; margin: 0; }
.support-list { margin: 0; padding: 0; border-top: 2px solid var(--ink); list-style: none; }
.support-list li { display: grid; grid-template-columns: 76px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.support-list span { color: var(--violet); font-family: var(--sans); font-size: 2.2rem; font-weight: 900; line-height: 1; }
.support-list h3 { margin-bottom: 8px; font-size: 1.05rem; }
.support-list p { margin: 0; color: #575d6c; font-size: .82rem; }

.price {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  color: var(--white);
  background: var(--ink);
  overflow: hidden;
}
.price::after {
  content: "分割払い対応";
  position: absolute;
  right: -10px;
  top: 22px;
  display: grid;
  place-items: center;
  width: 120px;
  aspect-ratio: 1;
  color: var(--white);
  background: var(--tomato);
  border-radius: 50%;
  font-size: .8rem;
  font-weight: 900;
  transform: rotate(9deg);
}
.price__title h2 { margin-bottom: 6px; font-size: clamp(1.5rem, 3vw, 2.7rem); }
.price__title > p:last-child { margin: 0; color: var(--lime); font-weight: 800; }
.price__amount { text-align: center; }
.price__amount > p:first-child { margin: 0; white-space: nowrap; }
.price__amount strong { font-family: var(--sans); font-size: clamp(3.3rem, 5.5vw, 6rem); line-height: 1; letter-spacing: -.05em; }
.price__amount span { font-size: .8rem; font-weight: 800; }
.installment { display: inline-block; margin: 10px 0 0; padding: 2px 14px; color: var(--ink); background: var(--lime); font-size: .78rem; font-weight: 900; }
.price__includes { margin: 0; padding: 0; list-style: none; }
.price__includes li { padding: 7px 0; font-weight: 800; border-bottom: 1px solid rgba(255,255,255,.18); }
.price__includes li::before { content: "✓"; margin-right: 10px; color: var(--lime); }
.price__cta {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  padding: 18px 24px;
  color: var(--ink);
  background: var(--lime);
  font-weight: 900;
  text-decoration: none;
}

.steps { background: var(--paper); }
.steps > h2 { margin-bottom: 46px; }
.steps ol { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin: 0; padding: 0; background: var(--ink); list-style: none; border: 1px solid var(--ink); }
.steps li { display: grid; grid-template-columns: 66px 1fr; gap: 14px; min-height: 180px; padding: 30px; background: var(--paper); }
.steps li > span { color: var(--violet); font-family: var(--sans); font-size: 2.4rem; font-weight: 900; line-height: 1; }
.steps h3 { margin-bottom: 12px; font-size: 1rem; }
.steps p { margin: 0; font-size: .78rem; }

.faq { display: grid; grid-template-columns: 1fr 2fr; gap: 80px; background: var(--white); }
.faq > .section-index { grid-column: 1; }
.faq > h2 { grid-column: 1; }
.faq-list { grid-column: 2; grid-row: 1 / span 3; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 22px 42px 22px 0; font-size: .9rem; font-weight: 800; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 5px; color: var(--violet); font-size: 1.5rem; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 36px 24px 0; color: #5d6370; font-size: .84rem; }

.final-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  padding: 64px max(32px, calc((100vw - var(--max)) / 2 + 32px));
  color: var(--ink);
  background: var(--lime);
}
.final-cta h2 { margin-bottom: 0; font-size: clamp(2rem, 4vw, 4.2rem); line-height: 1.2; letter-spacing: -.05em; }
.final-cta .section-index { color: var(--ink); }
.final-cta .button-note { margin-right: 30px; }
footer { padding: 64px max(32px, calc((100vw - var(--max)) / 2 + 32px)); color: var(--white); background: var(--ink); }
.brand--footer { display: block; margin-bottom: 16px; font-size: 2rem; }
footer p { margin-bottom: 4px; font-size: .75rem; }
.portfolio-note { color: var(--lime); }
footer small { display: block; margin-top: 36px; opacity: .62; }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; min-height: 58px; padding: 0 18px; }
  .desktop-nav, .header-cta { display: none; }
  .menu-button {
    display: grid;
    width: 42px;
    height: 42px;
    padding: 10px;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .menu-button > span:not(.visually-hidden) { display: block; height: 2px; background: var(--ink); }
  .mobile-nav {
    position: absolute;
    top: 58px;
    right: 0;
    left: 0;
    display: grid;
    padding: 12px 18px 24px;
    background: var(--white);
    border-bottom: 1px solid var(--line);
  }
  .mobile-nav[hidden] { display: none; }
  .mobile-nav a { padding: 12px 2px; font-weight: 800; text-decoration: none; border-bottom: 1px solid var(--line); }
  .hero { grid-template-columns: 1fr; min-height: auto; padding: 0 18px 46px; }
  .hero__visual { grid-row: 1; margin: 0 -18px 22px; padding: 0; }
  .hero__main-photo { height: 260px; min-height: 0; }
  .hero__detail-row { display: none; }
  .review-stamp { left: 18px; top: auto; bottom: -38px; width: 78px; background: var(--white); }
  .tape--lime { right: 12px; bottom: -12px; width: 94px; height: 24px; }
  .hero__copy { grid-row: 2; }
  .eyebrow { margin: 0 0 20px; font-size: .63rem; }
  h1 { margin-bottom: 22px; font-size: clamp(2.8rem, 15vw, 4.7rem); }
  .hero__lead { font-size: .87rem; }
  .button { width: 100%; min-height: 58px; padding: 14px 16px; font-size: .82rem; }
  .proof dl { grid-template-columns: repeat(4, 1fr); padding: 22px 10px; }
  .proof dl div { padding: 0 6px; }
  .proof dt { min-height: 34px; font-size: .56rem; line-height: 1.35; }
  .proof dd strong { font-size: 2.3rem; }
  .proof dd span, .proof dd small { font-size: .65rem; }
  .proof__location { min-height: 50px; font-size: .72rem; }
  .section { padding: 76px 18px; }
  .section-heading { display: block; margin-bottom: 30px; }
  .section-heading h2, .gallery h2, .steps h2, .faq h2 { font-size: 2.05rem; }
  .stories::after { top: 50px; width: 110px; }
  .story-grid { grid-template-columns: 1fr; gap: 8px; }
  .story, .story:nth-child(2), .story:nth-child(3) { min-height: 240px; margin: 0; }
  .story:nth-child(2) { margin-left: 28px; }
  .story:nth-child(3) { margin-right: 28px; }
  .story__body { padding: 18px; }
  .story__number { font-size: 3rem; }
  .fiction-note { text-align: left; }
  .program__heading { text-align: left; }
  .program__heading h2 { margin-right: -18px; margin-left: -18px; font-size: 1.68rem; text-align: center; }
  .program__heading h2 span { width: 100%; padding: 10px 8px; white-space: nowrap; transform: none; }
  .weeks { grid-template-columns: 1fr; gap: 7px; }
  .weeks li, .weeks li:nth-child(even) {
    display: grid;
    grid-template-columns: 70px 1fr 112px;
    grid-template-rows: auto auto;
    gap: 0 12px;
    align-items: center;
    min-height: 122px;
    padding: 14px;
    transform: none;
  }
  .weeks p { grid-column: 1; }
  .weeks strong { grid-column: 1; grid-row: 2; font-size: 3.1rem; }
  .weeks h3 { grid-column: 2; grid-row: 1 / span 2; min-height: 0; margin: 0; font-size: .84rem; }
  .weeks img { grid-column: 3; grid-row: 1 / span 2; width: 112px; height: 90px; margin: 0; }
  .gallery { grid-template-columns: 1fr; gap: 28px; }
  .gallery__intro { grid-row: auto; }
  .gallery__people { grid-template-columns: 1.3fr .8fr; }
  .gallery__people img { height: 122px; }
  .gallery__people img:last-child { grid-column: 1 / -1; height: 150px; }
  .gallery__works { grid-template-columns: 1fr 1fr; }
  .gallery__works img { height: 130px; }
  .support { grid-template-columns: 1fr; gap: 34px; }
  .support-list li { grid-template-columns: 56px 1fr; }
  .price { grid-template-columns: 1fr; gap: 26px; padding-top: 64px; text-align: left; }
  .price::after { top: 18px; right: -8px; width: 92px; font-size: .68rem; }
  .price__amount { text-align: left; }
  .price__amount strong { font-size: 3.45rem; }
  .price__cta { grid-column: 1; }
  .steps ol { grid-template-columns: 1fr; }
  .steps li { min-height: 0; }
  .faq { display: block; }
  .faq > h2 { margin-bottom: 28px; }
  .final-cta { grid-template-columns: 1fr; gap: 34px; padding: 58px 18px; }
  .final-cta h2 { font-size: 2.2rem; }
  footer { padding: 52px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}