:root {
  color-scheme: light;
  --ink: #102a43;
  --muted: #486581;
  --paper: #fffdf7;
  --paper-deep: #f4efe5;
  --cyan: #0e7490;
  --cyan-soft: #e6f6f8;
  --orange: #c2410c;
  --line: #d8e0e6;
  --shadow: 0 16px 38px rgba(16, 42, 67, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif; line-height: 1.75; }
a { color: inherit; }
.skip-link { position: absolute; left: 1rem; top: -4rem; padding: .6rem 1rem; background: var(--ink); color: #fff; z-index: 10; }
.skip-link:focus { top: .75rem; }
.site-header { max-width: 1240px; margin: 0 auto; min-height: 74px; display: flex; align-items: center; gap: 2rem; padding: 1rem 1.5rem; border-bottom: 1px solid var(--line); }
.brand-mark { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font-weight: 800; letter-spacing: .08em; }
nav { margin-left: auto; display: flex; gap: 1.35rem; font-size: .88rem; color: var(--muted); }
nav a { text-decoration: none; }
nav a:hover, nav a:focus-visible { color: var(--cyan); }
button { font: inherit; }
.download-button, .primary-button { border: 0; border-radius: 7px; padding: .78rem 1rem; font-weight: 700; }
.download-button:disabled, .primary-button:disabled { cursor: not-allowed; opacity: .62; }
.download-button { background: var(--ink); color: #fff; }
main { overflow: hidden; }
.hero { max-width: 1240px; margin: 0 auto; padding: 6.25rem 1.5rem 5rem; display: grid; grid-template-columns: 1fr .95fr; align-items: center; gap: 4rem; }
.hero-copy { max-width: 600px; }
.eyebrow { margin: 0 0 .8rem; color: var(--cyan); font-size: .78rem; font-weight: 800; letter-spacing: .16em; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.25rem; font-size: clamp(2.8rem, 5vw, 5rem); line-height: 1.18; letter-spacing: -.055em; font-weight: 800; }
h1 span { text-decoration: underline; text-decoration-color: #68c5d7; text-decoration-thickness: .14em; text-underline-offset: .12em; }
.lead { max-width: 34rem; color: var(--muted); font-size: 1.08rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; margin: 2rem 0 1rem; }
.primary-button { background: var(--ink); color: #fff; min-width: 180px; }
.text-link { color: var(--cyan); font-weight: 700; text-decoration: none; }
.text-link:hover, .text-link:focus-visible { text-decoration: underline; }
.disclosure { color: var(--muted); font-size: .78rem; }
.dashboard-card { position: relative; padding: 1.2rem; background: rgba(255,255,255,.82); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); transform: rotate(1deg); }
.dashboard-card::before { content: ""; position: absolute; inset: -2.5rem -2rem auto auto; width: 150px; height: 150px; border-radius: 50%; background: var(--cyan-soft); z-index: -1; }
.card-topline { display: flex; justify-content: space-between; gap: 1rem; padding: .25rem .2rem .9rem; font-weight: 800; }
.status-dot { color: var(--cyan); font-size: .76rem; }
.metric-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .7rem; }
.metric-grid > div { padding: .8rem; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.metric-grid small, .metric-grid span { display: block; color: var(--muted); font-size: .7rem; }
.metric-grid strong { display: block; font-size: 1.8rem; line-height: 1.25; }
.mini-table { margin-top: .85rem; border: 1px solid var(--line); background: #fff; font-size: .72rem; }
.mini-row { display: grid; grid-template-columns: 1.25fr 1fr .8fr 1fr; gap: .45rem; padding: .6rem .7rem; border-top: 1px solid var(--line); }
.mini-row:first-child { border-top: 0; }
.mini-head { color: var(--muted); font-weight: 700; background: var(--paper-deep); }
.pill { justify-self: start; padding: .12rem .45rem; border-radius: 99px; background: #eef2f5; white-space: nowrap; }
.cyan-pill { color: var(--cyan); background: var(--cyan-soft); }
.orange-pill { color: var(--orange); background: #fff1e8; }
.pain-points, .features, .contents, .notes { max-width: 1240px; margin: 0 auto; padding: 5rem 1.5rem; }
.pain-points { border-top: 1px solid var(--line); }
h2 { font-size: clamp(1.8rem, 3vw, 3rem); line-height: 1.32; letter-spacing: -.035em; }
.pain-grid, .feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 2rem; }
.pain-grid article { padding: 1.3rem; border-right: 1px dashed var(--line); }
.pain-grid article:last-child { border-right: 0; }
.icon { display: inline-grid; place-items: center; width: 44px; height: 44px; margin-bottom: .8rem; border: 1px solid var(--cyan); border-radius: 50%; color: var(--cyan); font-size: 1.35rem; }
.pain-grid h3, .feature-card h3 { margin-bottom: .45rem; font-size: 1.05rem; }
.pain-grid p, .feature-card p, .contents p, .notes p { color: var(--muted); }
.features { background: var(--paper-deep); max-width: none; padding-left: max(1.5rem, calc((100% - 1240px)/2 + 1.5rem)); padding-right: max(1.5rem, calc((100% - 1240px)/2 + 1.5rem)); }
.feature-list { max-width: 1240px; }
.feature-card { min-height: 220px; padding: 1.5rem; background: var(--paper); border-top: 4px solid var(--ink); box-shadow: 0 8px 20px rgba(16,42,67,.06); }
.feature-card.accent-cyan { border-top-color: var(--cyan); }
.feature-card.accent-orange { border-top-color: var(--orange); }
.feature-number { display: block; margin-bottom: 1.7rem; color: var(--cyan); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.contents { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; }
.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li { padding: .9rem 0 .9rem 2rem; border-bottom: 1px solid var(--line); position: relative; }
.check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--cyan); font-weight: 800; }
.notes { max-width: 900px; padding-top: 3rem; padding-bottom: 4rem; border-top: 1px solid var(--line); }
.notes h2 { font-size: 1.7rem; }
.site-footer { max-width: 1240px; margin: 0 auto; padding: 1.2rem 1.5rem 2rem; display: flex; justify-content: space-between; gap: 1rem; color: var(--muted); font-size: .76rem; }
@media (max-width: 820px) {
  .site-header { gap: 1rem; padding: .8rem 1rem; }
  nav { display: none; }
  .download-button { margin-left: auto; padding: .6rem .75rem; font-size: .78rem; }
  .hero { grid-template-columns: 1fr; gap: 2.6rem; padding: 4rem 1rem 3.5rem; }
  h1 { font-size: clamp(2.45rem, 12vw, 4.1rem); }
  .dashboard-card { transform: none; }
  .pain-points, .features, .contents, .notes { padding: 3.5rem 1rem; }
  .features { padding-left: 1rem; padding-right: 1rem; }
  .pain-grid, .feature-list, .contents { grid-template-columns: 1fr; gap: 1rem; }
  .pain-grid article { border-right: 0; border-bottom: 1px dashed var(--line); padding: 1rem 0 1.2rem; }
  .pain-grid article:last-child { border-bottom: 0; }
  .contents { gap: 1.5rem; }
  .site-footer { padding-left: 1rem; padding-right: 1rem; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .dashboard-card { transform: none; } }