/*  CSS整理版：重複・死んだ指定を整理済み。強制上書きなし。レスポンシブ指定は必要箇所のみ残しています。  */

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

a {
  color: inherit;
}

code {
  font-family: ui-monospace,SFMono-Regular,Consolas,monospace;
  color: #d2cbc3;
}

.wrap {
  width: min(var(--max),calc(100% - 40px));
  margin: auto;
}

header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(7,7,7,.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid #2d2118;
}

.hero {
  padding: 78px 0 62px;
  border-bottom: 1px solid var(--line);
}

.toc {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}

.toc-grid {
  display: grid;
  grid-template-columns: repeat(3,1fr);
  gap: 8px;
}

section {
  padding: 62px 0;
  border-bottom: 1px solid var(--line);
}

p {
  color: #b8b1aa;
  font-size: 14px;
}

ul {
  margin: 14px 0 0;
  padding-left: 1.3em;
  color: #b8b1aa;
  font-size: 14px;
}

.okng {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 22px;
}

.meta div {
  display: contents;
}

.meta dt,.meta dd {
  margin: 0;
  padding: 10px 6px;
  border-bottom: 1px solid var(--line);
  font-size: 12px;
}

.mini-link:hover {
  color: #fff;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-row a {
  text-decoration: none;
}

@media (max-width:700px) {
.toc-grid {
  grid-template-columns: 1fr 1fr;
}

.okng {
  grid-template-columns: 1fr;
}

.meta dt {
  padding-bottom: 0;
  border-bottom: 0;
}

}

@media (max-width:480px) {
.toc-grid {
  grid-template-columns: 1fr;
}

.wrap {
  width: calc(100% - 28px);
}

}

.back:hover {
  color: #fff;
}

.brand-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

@media (max-width:640px) {
.header-inner {
  flex-direction: column;
  padding: 12px 0;
}

.brand-wrap {
  align-items: flex-start;
}

}

main section[id] > .wrap {
  position: relative;
}

main section[id] h2,
main section[id] h3,
main section[id] p,
main section[id] ul,
main section[id] .okng,
main section[id] .box,
main section[id] .meta,
main section[id] .note {
  position: relative;
  z-index: 1;
}

main section[id] {
  overflow: hidden;
}

main section[id] .okng,
main section[id] .meta,
main section[id] .note {
  position: relative;
  z-index: 2;
}

main section[id] .box {
  background: #0d0d0d;
}

main section[id] h2 {
  display: flex;
  align-items: center;
  padding-left: 44px;
  min-height: 48px;
  position: relative;
  z-index: 2;
}

@media (max-width:700px) {

main section[id] h2 {
  padding-left: 30px;
  min-height: 40px;
}

}

:root {
  --bg: #070707;
  --panel: #0d0d0d;
  --ink: #f2efea;
  --soft: #c3bdb5;
  --muted: #827c76;
  --max: 960px;
  --accent: #8f6a2e;
  --accent2: #D8B66A;
  --line: #332e26;
  --line2: #494136;
}

body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 50% -5%,rgba(222,125,36,.06),transparent 24%),var(--bg);
  font-family: "Yu Mincho","Hiragino Mincho ProN","Noto Serif JP",serif;
  letter-spacing: .025em;
  font-size: 18px;
  line-height: 2;
}

.back {
  text-decoration: none;
  font-size: 16px;
  line-height: 1.5;
  color: #d0c7bb;
}

.brand {
  letter-spacing: .12em;
  font-size: 16px;
  line-height: 1.45;
  color: #bcb3a7;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 62px;
}

.kicker {
  margin-bottom: 8px;
  font-size: 18px;
  letter-spacing: .16em;
  color: var(--accent2);
}

h1 {
  margin: 0 0 18px;
  font-weight: 500;
  letter-spacing: .06em;
  font-size: clamp(46px,6.4vw,72px);
  line-height: 1.25;
}

.hero p {
  margin: 0;
  max-width: 860px;
  font-size: clamp(18px,1.55vw,22px);
  line-height: 2.05;
  color: #d8d0c5;
}

.toc a {
  display: block;
  border: 1px solid #2e2b28;
  background: #0b0b0b;
  text-decoration: none;
  padding: 14px 16px;
  font-size: 16px;
  line-height: 1.55;
  color: #c9c0b5;
}

.toc a:hover {
  color: #fff;
  border-color: #7d673f;
}

.section-label {
  margin-bottom: 8px;
  font-size: 18px;
  color: var(--accent2);
}

h2 {
  margin: 0 0 22px;
  font-weight: 500;
  margin-bottom: 24px;
  font-size: clamp(38px,4.8vw,58px);
  line-height: 1.35;
}

h3 {
  color: #e6dfd7;
  font-weight: 500;
  margin: 32px 0 12px;
  font-size: clamp(22px,2vw,28px);
  line-height: 1.5;
}

p,
ul {
  font-size: 18px;
  line-height: 2;
  color: #d0c7bd;
}

li {
  margin: 8px 0;
}

.note {
  margin-top: 24px;
  border-left: 2px solid var(--accent2);
  background: #0c0b0a;
  padding: 20px 22px;
  font-size: 16px;
  line-height: 1.95;
  color: #b9afa4;
  border-left-color: var(--accent2);
}

.box {
  border: 1px solid var(--line2);
  background: var(--panel);
  padding: 24px;
}

.box h3 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.5;
}

.meta {
  display: grid;
  border-top: 1px solid var(--line2);
  margin-top: 18px;
  grid-template-columns: 180px 1fr;
}

.meta dt,
.meta dd {
  padding: 13px 8px;
  font-size: 16px;
  line-height: 1.75;
}

.meta dt {
  color: #a79b8e;
}

.meta dd {
  color: #d0c7bd;
}

.mini-link {
  color: #b8b1aa;
  text-decoration: none;
  border-bottom: 1px solid #5d4028;
  border-bottom-color: #7d673f;
}

footer {
  background: #050505;
  padding: 38px 0 50px;
  font-size: 15px;
  line-height: 1.8;
  color: #8e867d;
}

main section[id] .section-label {
  position: absolute;
  z-index: 0;
  margin: 0;
  pointer-events: none;
  user-select: none;
  top: -46px;
  left: 0;
  font-family: "Times New Roman","Yu Mincho",serif;
  font-size: clamp(70px,7.8vw,108px);
  font-weight: 700;
  line-height: .82;
  letter-spacing: -.055em;
  font-variant-numeric: lining-nums tabular-nums;
  font-feature-settings: "lnum" 1,"tnum" 1;
  transform: scaleX(.82);
  transform-origin: left top;
  color: rgba(216,182,106,.14);
}

@media (max-width:700px) {
main section[id] .section-label {
  color: rgba(216,182,106,.12);
}

.back,
  .brand {
  font-size: 15px;
}

.kicker {
  font-size: 16px;
}

h1 {
  font-size: clamp(40px,11vw,58px);
}

.hero p,
  p,
  ul {
  font-size: 17px;
}

.toc a {
  font-size: 15px;
}

h2 {
  font-size: clamp(34px,8vw,46px);
}

h3,
  .box h3 {
  font-size: 21px;
}

.note,
  .meta dt,
  .meta dd {
  font-size: 15px;
}

.meta {
  grid-template-columns: 1fr;
}

}

@media (max-width:480px) {
.hero p,
  p,
  ul {
  font-size: 16px;
}

.toc a {
  font-size: 15px;
}

footer {
  font-size: 14px;
}

}