@charset "utf-8";
/* ==================================================
  base.css  完全版
  - Tokens / Reset / Typography / Layout / Utilities
================================================== */ :root {
  --bg: #ffffff;
  --text: #0b0f1a;
  --muted: rgba(11, 15, 26, .68);
  --line: rgba(11, 15, 26, .12);
  --primary-bg: rgba(184, 201, 251, 0.92);
  --primary-text: #005CFF;
  --primary-shadow: rgba(0, 92, 255, .18);
  --current-bg: #B8C9FB;
  --radius-xl: 24px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --shadow-soft: 0 8px 20px rgba(20, 40, 90, .08);
  --shadow-lift: 0 16px 36px rgba(20, 40, 90, .14);
  --container: 1120px;
  --gutter: 40px;
  --header-h: 68px;
  --font: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Meiryo", sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
html, body {
  height: 100%;
}
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  letter-spacing: .02em;
  overflow-x: hidden;
  padding-top: var(--header-h); /* fixed header offset */
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration-thickness: .08em;
  text-underline-offset: .18em;
}
ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}
p {
  margin: 0;
}
h1, h2, h3 {
  margin: 0;
  line-height: 1.25;
}
/* Basic readable defaults */
h2 {
  font-size: clamp(22px, 3vw, 28px);
  font-weight: 900;
}
h3 {
  font-size: 18px;
  font-weight: 900;
}
small {
  color: var(--muted);
}
.container {
  width: min(var(--container), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}
.section {
  padding-block: clamp(56px, 7vw, 96px);
}
.muted {
  color: var(--muted);
}
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
:where(#works, #strengths, #contact, #top) {
  scroll-margin-top: calc(var(--header-h) + 12px);
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}
@media (max-width: 640px) {
  :root {
    --gutter: 18px;
  }
}