/* JustEV utility pages — LPと同じエディトリアル和文設計に統一 */
:root {
  --paper: #eeeae0;
  --paper-2: #e4dfd2;
  --paper-3: #d4cebe;
  --ink: #1a1812;
  --ink-2: #3f3c32;
  --ink-3: #72695b;
  --hair: rgba(26,24,18,0.14);
  --hair-strong: rgba(26,24,18,0.30);
  --accent: #1e2945;
  --accent-2: #344467;

  --mincho: "Noto Serif JP", "Shippori Mincho", "Source Han Serif JP", "游明朝", YuMincho, "Hiragino Mincho ProN", serif;
  --gothic: "Noto Sans JP", "游ゴシック", YuGothic, "Hiragino Sans", sans-serif;
  --hand: "Hina Mincho", "Klee One", "Yu Mincho", serif;
  --display-num: "Antonio", "Avenir Next Condensed", "Oswald", sans-serif;
  --lat: "Newsreader", Georgia, serif;
}

* { box-sizing: border-box; }
html { font-feature-settings: "palt" 1, "kern" 1; }
html, body {
  margin: 0; padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mincho);
  font-weight: 400;
  line-height: 1.95;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
:lang(en) body { font-family: var(--lat); line-height: 1.65; }

body::before {
  content: "";
  position: fixed; inset: 0;
  pointer-events: none; z-index: 0;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.05' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0.08  0 0 0 0 0.07  0 0 0 0 0.05  0 0 0 0.10 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  background-size: 240px 240px;
  mix-blend-mode: multiply;
  opacity: 0.55;
}

a { color: inherit; }
.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative; z-index: 1;
}
@media (max-width: 600px) { .wrap { padding: 0 20px; } }

:lang(ja) h1, :lang(ja) h2, :lang(ja) h3 {
  word-break: keep-all;
  line-break: strict;
  overflow-wrap: anywhere;
}

/* ---------- ヘッダ ---------- */
.doc-header {
  background: rgba(238, 234, 224, 0.94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hair);
  padding: 22px 0 18px;
  position: sticky; top: 0; z-index: 10;
}
.doc-header .wrap {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
}
.doc-header .brand {
  text-decoration: none;
  font-family: var(--lat);
  font-style: italic;
  font-weight: 500;
  font-size: 24px;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.doc-header .nav {
  display: flex; gap: 26px; flex-wrap: wrap;
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: 0.1em;
  justify-content: center;
}
:lang(en) .doc-header .nav { font-family: var(--lat); letter-spacing: 0; }
.doc-header .nav a {
  color: var(--ink-3);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color .15s, border-color .15s;
}
.doc-header .nav a:hover { color: var(--ink); }
.doc-header .nav a.is-current { color: var(--ink); border-bottom-color: var(--accent); }

.doc-header .lang-toggle {
  display: inline-flex;
  border: 1px solid var(--hair-strong);
  font-family: var(--display-num);
  font-size: 11px;
  letter-spacing: 0.18em;
}
.doc-header .lang-toggle button {
  appearance: none; background: transparent; border: 0;
  padding: 6px 12px; color: var(--ink-3); cursor: pointer; font: inherit; letter-spacing: inherit;
}
.doc-header .lang-toggle button.is-active { background: var(--ink); color: var(--paper); }

/* ---------- ヒーロー（タイトル） ---------- */
.doc-hero {
  padding: 96px 0 56px;
  border-bottom: 1px solid var(--hair);
}
.doc-hero .kicker {
  font-family: var(--display-num);
  font-weight: 300;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--ink-3);
  display: inline-flex; align-items: center; gap: 12px;
  text-transform: uppercase;
}
.doc-hero .kicker::after {
  content: ""; width: 26px; height: 1px; background: var(--hair-strong);
}

.doc-hero h1 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(32px, 4.6vw, 52px);
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin: 22px 0 0;
  color: var(--ink);
}
:lang(en) .doc-hero h1 {
  font-family: var(--lat);
  font-style: italic;
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.doc-hero h1 .ja {
  display: block;
  font-family: var(--mincho);
  font-size: clamp(14px, 1.6vw, 16px);
  font-weight: 400;
  margin-top: 16px;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  line-height: 1.85;
  font-style: normal;
}
:lang(en) .doc-hero h1 .ja { font-family: var(--lat); font-style: italic; }

.doc-hero .meta {
  display: flex; gap: 28px; flex-wrap: wrap;
  margin-top: 32px;
  font-family: var(--mincho);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}
:lang(en) .doc-hero .meta { font-family: var(--lat); letter-spacing: 0; font-style: italic; }

/* ---------- 本文 ---------- */
.doc-body {
  padding: 64px 0 110px;
}
.doc-body p {
  font-family: var(--mincho);
  font-size: 15.5px;
  line-height: 2.1;
  margin: 0 0 1.5em;
  max-width: 60ch;
  color: var(--ink);
}
:lang(en) .doc-body p { font-family: var(--lat); font-size: 16px; line-height: 1.7; }

.doc-body h2 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.5;
  margin: 64px 0 16px;
  letter-spacing: 0.04em;
  color: var(--ink);
}
:lang(en) .doc-body h2 { font-family: var(--lat); font-style: italic; font-weight: 500; line-height: 1.2; letter-spacing: 0; }
.doc-body h2:first-of-type { margin-top: 0; }

.doc-body h3 {
  font-family: var(--mincho);
  font-weight: 500;
  font-size: 16px;
  margin: 32px 0 10px;
  letter-spacing: 0.04em;
  color: var(--ink);
}
:lang(en) .doc-body h3 { font-family: var(--lat); font-weight: 500; font-size: 17px; letter-spacing: 0; }

.doc-body ul, .doc-body ol {
  padding-left: 22px;
  margin: 0 0 1.4em;
  font-family: var(--mincho);
}
:lang(en) .doc-body ul, :lang(en) .doc-body ol { font-family: var(--lat); }
.doc-body li {
  margin-bottom: 8px;
  font-size: 15.5px;
  line-height: 2.0;
  max-width: 60ch;
}
:lang(en) .doc-body li { font-size: 16px; line-height: 1.65; }

.doc-body strong { font-weight: 600; }
.doc-body code, .doc-body kbd {
  font-family: var(--display-num);
  font-size: 14px;
  background: var(--paper-2);
  padding: 2px 8px;
}

.doc-body .contact-card {
  margin: 36px 0;
  padding: 26px 30px;
  background: var(--paper-2);
  border-left: 2px solid var(--accent);
}
.doc-body .contact-card .key {
  font-family: var(--display-num);
  font-weight: 300;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--ink-3);
  margin-bottom: 10px;
  text-transform: uppercase;
}
.doc-body .contact-card .val {
  font-family: var(--display-num);
  font-size: 17px;
  color: var(--accent);
  word-break: break-all;
  letter-spacing: 0.04em;
}

/* テーブル */
.doc-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.6em;
  font-family: var(--mincho);
}
:lang(en) .doc-body table { font-family: var(--lat); }
.doc-body th, .doc-body td {
  text-align: left;
  padding: 20px 20px;
  border-bottom: 1px solid var(--hair);
  font-size: 15px;
  line-height: 1.9;
  vertical-align: top;
}
.doc-body th {
  font-weight: 400;
  color: var(--ink-3);
  width: 30%;
  letter-spacing: 0.08em;
  font-size: 13px;
}
:lang(en) .doc-body th { letter-spacing: 0; font-style: italic; }
.doc-body tr:first-child th, .doc-body tr:first-child td { border-top: 1px solid var(--hair); }

/* ---------- フッタ ---------- */
.doc-footer {
  border-top: 1px solid var(--hair);
  padding: 56px 0 64px;
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--ink-3);
}
:lang(en) .doc-footer { font-family: var(--lat); letter-spacing: 0; }
.doc-footer .wrap {
  display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: end;
}
@media (max-width: 720px) { .doc-footer .wrap { grid-template-columns: 1fr; } }
.doc-footer .brand-foot {
  display: flex; align-items: baseline; gap: 0; flex-wrap: wrap;
}
.doc-footer .mark {
  font-family: var(--lat);
  font-style: italic;
  font-weight: 500;
  font-size: 30px;
  color: var(--ink);
}
.doc-footer .shasu {
  font-family: var(--hand);
  font-weight: 400;
  font-size: 36px;
  color: var(--ink-2);
  margin-left: 24px;
  line-height: 1;
  letter-spacing: 0.18em;
}
.doc-footer .right {
  display: flex; gap: 24px; flex-wrap: wrap;
  font-family: var(--mincho);
  font-size: 13px;
  letter-spacing: 0.08em;
}
:lang(en) .doc-footer .right { font-family: var(--lat); letter-spacing: 0; }
.doc-footer a {
  color: var(--ink-2);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--hair-strong);
  transition: color .15s, border-color .15s;
}
.doc-footer a:hover { color: var(--accent); border-color: var(--accent); }
.doc-footer .legal {
  margin-top: 26px;
  border-top: 1px solid var(--hair);
  padding-top: 22px;
  display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-3);
}