@import url('/assets/fonts/pretendard/pretendardvariable-dynamic-subset.css');
/* Anime-first visual system shared with the doodlelist studio. */
:root { color-scheme: dark; --paper: #101113; --ink: #f5f6f7; --muted: #a6acb4; --accent: #c5f277; --orange: #c5f277; --line: #32363c; --radius: 22px; --font: 'Pretendard Variable', system-ui, -apple-system, 'Segoe UI', 'Malgun Gothic', sans-serif; }
:root:lang(ja) { --font: 'Hiragino Kaku Gothic ProN', 'Yu Gothic UI', 'Meiryo', 'Pretendard Variable', sans-serif; }
:root:lang(zh) { --font: 'PingFang SC', 'Microsoft YaHei', 'Pretendard Variable', sans-serif; }
body { background: var(--paper); color: var(--ink); }
.shell { width: min(1320px, calc(100% - 64px)); }
.header { padding: 23px 0; }
.brand { font-size: 26px; letter-spacing: -.06em; }
.brand-dot { color: var(--accent); }
.brand-mark i { background: var(--accent); }
.nav { color: #b8c0ca; }
.nav-contact { border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; }
.hero { grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr); gap: 60px; padding: 62px 0 66px; }
.hero h1, :lang(en) .hero h1, :lang(ja) .hero h1 { font-size: clamp(40px, 4.5vw, 64px); font-weight: 760; line-height: 1.14; letter-spacing: -.045em; }
.hero h1 span { color: var(--accent); }
.hero-body { font-size: 17px; line-height: 1.8; max-width: 35em; }
.eyebrow { color: var(--accent); font-size: 12px; }
.hero-actions { gap: 16px; }
.button { min-height: 52px; border-radius: 13px; font-size: 15px; }
.primary, .ink { background: var(--accent); color: #17200f; }
.primary:hover, .ink:hover { background: #d7ff9d; }
.text-link { color: #d1d7df; }
.hero-note { color: var(--muted); font-size: 12px; line-height: 1.7; }
.small-dot { background: var(--accent); }
.portal-showcase { position: relative; width: 100%; margin: 0; background: #1e2227; border: 1px solid #41483e; border-radius: 26px; overflow: hidden; min-width: 0; }
.portal-showcase img { display: block; width: 100%; height: auto; aspect-ratio: 1; object-fit: cover; }
.portal-showcase figcaption { display: grid; gap: 6px; padding: 17px 20px; font-size: 12px; color: var(--muted); }
.portal-showcase figcaption strong { color: var(--ink); font-size: 15px; }
.reference-badge { position: absolute; top: 16px; left: 16px; padding: 6px 12px; border: 1px solid #ffffff38; border-radius: 99px; background: rgb(14 17 14 / 82%); color: white; font-size: 11px; }
.section { padding-block: 54px; }
h2 { font-size: clamp(27px, 3vw, 38px); font-weight: 730; }
.service-card { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); background: #191d22; border-color: #363d45; }
.service-copy { padding: 36px; }
.service-number { color: var(--muted); }
.status { color: #ccecb0; background: #253121; border-color: #405334; font-size: 11px; }
.service-name { font-size: 40px; }
.service-tagline { font-size: 24px; }
.service-body { font-size: 15px; }
.feature-tags li { border-color: #424b56; background: #222830; color: #d2dbe7; font-size: 12px; }
.fine-print { font-size: 12px; color: #adb9a2; }
.drawing-demo { background: #14171a; padding: 36px; }
.prompt-card { width: 100%; border: 1px solid #404750; border-radius: 20px; background: #1c2127; padding: 24px; }
.prompt-card-top { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; margin-bottom: 22px; border-bottom: 1px solid var(--line); color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .1em; }
.demo-label { font-size: 12px; color: #b8c2cd; }
.prompt-card-text { font-size: 21px; line-height: 1.6; margin: 14px 0; word-break: keep-all; }
.demo-helper { font-size: 12px; color: var(--muted); }
.prompt-card .button { width: 100%; margin-top: 22px; }
.prompt-style-links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 18px; }
.prompt-style-links a { display: inline-flex; align-items: center; min-height: 44px; padding: 7px 10px; border: 1px solid #424c56; border-radius: 9px; font-size: 12px; }
.prompt-style-links a:hover { border-color: var(--accent); color: var(--accent); }
.demo-disclaimer { color: var(--muted); font-size: 12px; }
.step-grid { gap: 18px; }
.step-grid article { padding: 24px; background: #191d22; border: 1px solid var(--line); border-radius: 18px; }
.step-index { color: var(--accent); border-color: #526540; }
.step-grid h3 { font-size: 19px; }
.principle > span { color: var(--accent); }
.faq summary > span { color: var(--accent); }
.contact { background: #1d281c; border-color: #405434; }
.contact .eyebrow { color: var(--accent); }
.contact > div > p:not(.eyebrow) { color: #b7c5af; }
.footer-links, .footer small { color: #adb7c2; }
.policy-scope { background: #202820; border-color: #405434; }
.policy-content p { color: #bac3ce; }
a:focus-visible, summary:focus-visible { outline-color: var(--accent); }
::selection { background: #c5f277; color: #17200f; }
@media (max-width: 1050px) {
  .hero { gap: 32px; }
  .hero h1, :lang(en) .hero h1, :lang(ja) .hero h1 { font-size: 43px; }
  .hero-actions { gap: 10px; }
}
@media (max-width: 800px) {
  .hero, .service-card { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 38px; }
  .portal-showcase { max-width: 560px; justify-self: center; }
  .hero h1, :lang(en) .hero h1, :lang(ja) .hero h1 { font-size: clamp(37px, 6.8vw, 54px); }
  .about { gap: 30px; }
  .step-grid { grid-template-columns: 1fr; }
  .header { flex-wrap: wrap; }
  .nav { gap: 18px; font-size: 13px; }
}
@media (max-width: 520px) {
  .shell { width: calc(100% - 32px); }
  .header { padding: 16px 0 10px; }
  .nav { width: 100%; justify-content: space-between; gap: 8px; font-size: 12px; }
  .nav-contact { padding: 5px 9px; }
  .hero { gap: 26px; padding: 34px 0 38px; }
  .hero h1, :lang(en) .hero h1, :lang(ja) .hero h1 { font-size: clamp(32px, 8.6vw, 44px); line-height: 1.16; }
  .hero-body { font-size: 15px; line-height: 1.8; }
  .hero-actions { gap: 14px; }
  .hero-actions .button { width: 100%; font-size: 15px; min-height: 52px; }
  .hero-actions .text-link { font-size: 14px; }
  .hero-note { font-size: 11px; }
  .portal-showcase { border-radius: 20px; }
  .portal-showcase figcaption { padding: 14px 16px; font-size: 11px; }
  .section { padding-block: 38px; }
  .service-copy, .drawing-demo { padding: 23px 20px; }
  .service-tagline { font-size: 22px; }
  .service-body { font-size: 14px; }
  .service-actions .button { width: 100%; font-size: 14px; }
  .fine-print { font-size: 12px; }
  .prompt-card { padding: 18px; }
  .prompt-card-text { font-size: 19px; }
  .feature-tags li { font-size: 11px; }
  .step-grid article { padding: 20px; }
  .contact { padding: 25px 21px; }
  .footer-links { font-size: 12px; }
  .policy-content p { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button:hover { transform: none; } }