/* HAIDEX public site — HTML/CSS only, no external CDN */
:root {
  --ink: #1c2430;
  --ink-soft: #3a4656;
  --paper: #f5f7f4;
  --panel: #ffffff;
  --line: #d5ddd4;
  --accent: #1f6b5a;
  --accent-deep: #145044;
  --muted: #5c6b66;
  --focus: #0b5fff;
  --max: 68rem;
  --radius: 0.35rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Yu Gothic UI", "Hiragino Sans", "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", Meiryo, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(180deg, #e8eee8 0%, var(--paper) 18%, #eef2ef 100%);
  line-height: 1.65;
  font-size: 1rem;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--accent-deep);
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--accent);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 1000;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius);
  text-decoration: none;
}

.skip-link:focus {
  top: 0.75rem;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header-inner,
.site-footer-inner,
.site-main,
.narrow {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.25rem;
  padding: 0.85rem 0;
}

.brand {
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 1.2rem;
  color: var(--ink);
  text-decoration: none;
}

.brand span {
  display: block;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-top: 0.1rem;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  font-size: 0.95rem;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
}

.nav a:hover,
.nav a[aria-current="page"] {
  color: var(--accent-deep);
  text-decoration: underline;
}

.hero {
  padding: 3.2rem 0 2.4rem;
}

.hero-panel {
  background:
    radial-gradient(circle at 12% 20%, rgba(31, 107, 90, 0.16), transparent 42%),
    linear-gradient(145deg, #10231f 0%, #1c3d36 48%, #243447 100%);
  color: #f4f8f6;
  border-radius: 1rem;
  padding: clamp(1.5rem, 4vw, 2.75rem);
  box-shadow: 0 18px 40px rgba(28, 36, 48, 0.18);
}

.hero h1 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.7rem, 4vw, 2.55rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
}

.hero .lead {
  margin: 0 0 1.4rem;
  max-width: 40rem;
  color: #d9e7e2;
  font-size: 1.05rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  display: inline-block;
  padding: 0.7rem 1.15rem;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 700;
  border: 1px solid transparent;
}

.btn-primary {
  background: #f7faf8;
  color: #12332d;
}

.btn-primary:hover {
  background: #fff;
  color: #0d261f;
}

.btn-ghost {
  border-color: rgba(247, 250, 248, 0.55);
  color: #f7faf8;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.08);
}

.section {
  padding: 2rem 0;
}

.section h2 {
  margin: 0 0 0.85rem;
  font-size: 1.45rem;
  letter-spacing: 0.02em;
}

.section p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
}

.grid-3 {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  margin-top: 1.1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  padding: 1.1rem 1.15rem;
}

.card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  font-size: 0.95rem;
}

.pricing {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
  padding: 1.35rem 1.4rem;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  margin: 0.2rem 0 0.7rem;
}

.price small {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
}

.note {
  background: #eef6f3;
  border-left: 4px solid var(--accent);
  padding: 0.85rem 1rem;
  border-radius: 0 0.4rem 0.4rem 0;
  color: var(--ink-soft);
}

.disclaimer {
  font-size: 0.92rem;
  color: var(--muted);
}

.legal-page h1 {
  margin: 2rem 0 0.5rem;
  font-size: 1.8rem;
}

.legal-page .meta {
  color: var(--muted);
  font-size: 0.92rem;
  margin-bottom: 1.4rem;
}

.legal-page h2 {
  margin: 1.8rem 0 0.55rem;
  font-size: 1.2rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
}

.legal-page h3 {
  margin: 1.1rem 0 0.4rem;
  font-size: 1.02rem;
}

.legal-page ul,
.legal-page ol {
  padding-left: 1.3rem;
  color: var(--ink-soft);
}

.legal-page li {
  margin: 0.25rem 0;
}

.legal-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.4rem;
  background: var(--panel);
}

.legal-table th,
.legal-table td {
  border: 1px solid var(--line);
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
}

.legal-table th {
  width: 28%;
  background: #eef3ef;
  font-weight: 700;
  color: var(--ink);
}

.site-footer {
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  background: #152029;
  color: #d7dde3;
  padding: 1.8rem 0 2.2rem;
}

.site-footer a {
  color: #c8e6dc;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.9rem;
}

.site-footer p {
  margin: 0.25rem 0;
  font-size: 0.9rem;
  color: #aeb8c2;
}

.not-found {
  padding: 4rem 0;
  text-align: center;
}

@media (max-width: 640px) {
  .legal-table th,
  .legal-table td {
    display: block;
    width: 100%;
  }

  .legal-table th {
    border-bottom: 0;
  }
}