/* エミリアラボ電脳ジャンク — 共通スタイル
   夜の電気街の店先：有孔ボードの壁、手書きPOP、段ボールのカゴ、蛍光の値札 */

:root {
  --wall: #1d1b18;
  --wall-2: #26231f;
  --peg: #34302a;
  --kraft: #c7a26a;
  --kraft-dark: #9c7a45;
  --kraft-ink: #3a2a14;
  --paper: #f4efe2;
  --paper-ink: #22201c;
  --pop-yellow: #ffe23d;
  --pop-red: #e6402a;
  --pop-green: #3fd18a;
  --neon: #ff5a8a;
  --neon-cyan: #4fe3ff;
  --muted: #a69d8c;
  --line: #4a443b;
  --code-bg: #12110f;
  --radius: 4px;
  --gutter: clamp(16px, 4vw, 40px);
  --f-sign: "Dela Gothic One", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --f-body: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  --f-hand: "Yomogi", "Zen Kurenaido", "Hiragino Maru Gothic ProN", sans-serif;
  --f-mono: "JetBrains Mono", "Source Code Pro", ui-monospace, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--wall);
  background-image:
    radial-gradient(circle at 12px 12px, #0d0c0b 2.2px, transparent 2.6px),
    radial-gradient(ellipse at 50% -10%, rgba(255, 226, 61, .07), transparent 60%);
  background-size: 24px 24px, 100% 100%;
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--pop-yellow); text-underline-offset: 3px; }
a:hover { color: #fff; }

img { max-width: 100%; }

.wrap { max-width: 1120px; margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- 上部の店名バー ---------- */
.topbar {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
  background: rgba(20, 19, 17, .92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-block: 10px;
}
.topbar .brand {
  font-family: var(--f-sign); color: var(--pop-yellow); text-decoration: none;
  font-size: 18px; letter-spacing: .04em;
}
.topbar nav { display: flex; gap: 4px 16px; flex-wrap: wrap; margin-left: auto; font-size: 14px; }
.topbar nav a { color: var(--paper); text-decoration: none; opacity: .8; }
.topbar nav a:hover, .topbar nav a[aria-current] { opacity: 1; color: var(--pop-yellow); }

/* ---------- 看板 ---------- */
.sign {
  position: relative;
  padding-block: 64px 40px;
  text-align: center;
  overflow: hidden;
}
.sign-board {
  display: inline-block;
  position: relative;
  padding: 22px clamp(18px, 5vw, 56px) 26px;
  background: linear-gradient(180deg, #c8321f, #a5251a);
  border: 6px solid #2a1712;
  outline: 3px solid var(--pop-yellow);
  outline-offset: -14px;
  box-shadow: 0 18px 40px rgba(0,0,0,.55), inset 0 2px 0 rgba(255,255,255,.2);
  transform: rotate(-1.2deg);
}
.sign-board .kicker {
  display: block; font-family: var(--f-body); font-weight: 700;
  font-size: clamp(12px, 2.4vw, 15px); letter-spacing: .3em; color: #ffd9cf;
}
.sign-board h1 {
  margin: 4px 0 0; font-family: var(--f-sign); font-weight: 400;
  font-size: clamp(30px, 7vw, 72px); line-height: 1.1; color: var(--pop-yellow);
  text-shadow: 3px 3px 0 #2a1712;
  letter-spacing: .02em;
}
.sign-board h1 .nw { white-space: nowrap; display: inline-block; }
.sign-board .en {
  display: block; margin-top: 6px; font-family: var(--f-mono); font-size: clamp(11px, 2vw, 13px);
  letter-spacing: .35em; color: #ffe9b0;
}
.open-neon {
  position: absolute; right: clamp(-6px, 2vw, 24px); top: -18px;
  font-family: var(--f-mono); font-weight: 700; font-size: 18px; letter-spacing: .2em;
  color: var(--neon); padding: 4px 10px; border: 2px solid var(--neon); border-radius: 8px;
  text-shadow: 0 0 6px var(--neon), 0 0 16px var(--neon);
  box-shadow: 0 0 10px rgba(255,90,138,.6), inset 0 0 8px rgba(255,90,138,.4);
  transform: rotate(6deg);
  animation: flicker 6s infinite;
  background: #1a0f13;
}
@keyframes flicker {
  0%, 18%, 22%, 62%, 64%, 100% { opacity: 1; }
  20%, 63% { opacity: .35; }
}
.sign-lead {
  max-width: 640px; margin: 36px auto 0; font-size: clamp(15px, 2.4vw, 18px); color: #e9e2d2;
}
.sign-lead strong { color: var(--pop-yellow); }

/* ---------- 注意書きの貼り紙 ---------- */
.notice {
  position: relative;
  max-width: 760px; margin: 8px auto 0;
  background: var(--paper); color: var(--paper-ink);
  padding: 28px clamp(18px, 4vw, 36px) 22px;
  box-shadow: 0 10px 24px rgba(0,0,0,.45);
  transform: rotate(.6deg);
  font-family: var(--f-hand); font-size: 17px; line-height: 1.75;
}
.notice::before, .notice::after {
  content: ""; position: absolute; top: -10px; width: 90px; height: 24px;
  background: rgba(255, 226, 61, .75);
  box-shadow: 0 1px 2px rgba(0,0,0,.2);
}
.notice::before { left: 18px; transform: rotate(-6deg); }
.notice::after { right: 18px; transform: rotate(5deg); }
.notice h2 {
  margin: 0 0 8px; font-family: var(--f-sign); font-weight: 400; font-size: 22px; color: var(--pop-red);
}
.notice ul { margin: 0; padding-left: 1.2em; }
.notice li { margin: 2px 0; }
.notice .sig { text-align: right; margin: 10px 0 0; }

/* ---------- 見出し（棚札） ---------- */
.section { padding-block: 72px 24px; }
.shelf-label {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  margin: 0 0 8px;
}
.shelf-label h2 {
  margin: 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(24px, 4.5vw, 36px);
  color: var(--paper);
}
.shelf-label .no {
  font-family: var(--f-mono); font-size: 13px; color: var(--wall); background: var(--pop-yellow);
  padding: 2px 8px; border-radius: 2px; letter-spacing: .1em;
}
.section-lead { color: var(--muted); margin: 0 0 28px; max-width: 720px; }

/* ---------- ガラスケース（主力パーツ） ---------- */
.case {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 22px;
  padding: 22px; border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.07), rgba(255,255,255,0) 40%),
    linear-gradient(180deg, #2b2823, #1f1d19);
  border: 1px solid #5a5347;
  box-shadow: inset 0 0 0 4px #15130f, inset 0 0 40px rgba(79, 227, 255, .05), 0 20px 40px rgba(0,0,0,.4);
}
.item {
  position: relative; display: flex; flex-direction: column;
  background: var(--paper); color: var(--paper-ink); border-radius: var(--radius);
  padding: 22px 20px 18px; text-decoration: none;
  box-shadow: 0 6px 0 #0d0c0a, 0 14px 24px rgba(0,0,0,.35);
  transition: transform .2s ease, box-shadow .2s ease;
}
.item:hover { transform: translateY(-4px) rotate(-.4deg); color: var(--paper-ink); box-shadow: 0 10px 0 #0d0c0a, 0 22px 30px rgba(0,0,0,.4); }
.item .model { font-family: var(--f-mono); font-size: 12px; color: #6f675a; letter-spacing: .06em; padding-right: 64px; }
.item h3 { margin: 2px 0 6px; font-family: var(--f-sign); font-weight: 400; font-size: 26px; line-height: 1.2; }
.item .plain { font-family: var(--f-hand); font-size: 18px; line-height: 1.6; margin: 0 0 12px; color: #2c2924; }
.item .tech { font-size: 13.5px; color: #5d5649; margin: 0 0 16px; }
.item .go {
  margin-top: auto; align-self: flex-start; font-weight: 700; font-size: 14px;
  background: var(--paper-ink); color: var(--pop-yellow); padding: 6px 14px; border-radius: 3px;
}
.sticker {
  position: absolute; top: -12px; right: 14px;
  font-family: var(--f-sign); font-size: 14px; color: var(--paper-ink);
  background: var(--pop-yellow); padding: 6px 10px; border-radius: 50%;
  width: 64px; height: 64px; display: grid; place-items: center; text-align: center; line-height: 1.1;
  transform: rotate(12deg); box-shadow: 0 3px 6px rgba(0,0,0,.35);
}
.sticker.red { background: var(--pop-red); color: #fff; }
.sticker.green { background: var(--pop-green); }

/* ---------- 組み立て例 ---------- */
.assembly {
  display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: stretch; gap: 10px;
}
.assembly .step {
  background: var(--wall-2); border: 1px dashed var(--line); border-radius: 6px; padding: 18px;
}
.assembly .step .when { font-family: var(--f-mono); font-size: 12px; color: var(--pop-yellow); letter-spacing: .1em; }
.assembly .step h3 { margin: 4px 0 6px; font-size: 18px; }
.assembly .step p { margin: 0; color: #d6cebe; font-size: 14.5px; }
.assembly .arrow { align-self: center; font-family: var(--f-sign); font-size: 28px; color: var(--pop-yellow); }

/* ---------- ジャンク棚 ---------- */
.bins { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 22px; }
.bin-btn {
  font: inherit; font-size: 14px; cursor: pointer;
  background: var(--kraft); color: var(--kraft-ink); border: 0; border-radius: 3px;
  padding: 6px 12px; font-weight: 700;
  box-shadow: inset 0 -3px 0 var(--kraft-dark);
}
.bin-btn[aria-pressed="true"] { background: var(--pop-yellow); box-shadow: inset 0 -3px 0 #b39a12; }
.bin-btn .n { font-family: var(--f-mono); font-weight: 400; opacity: .7; margin-left: 4px; }

.search {
  display: block; width: 100%; max-width: 420px; margin: 0 0 18px;
  font: inherit; color: var(--paper); background: var(--code-bg);
  border: 1px solid var(--line); border-radius: 3px; padding: 8px 12px;
}

.shelf {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px 16px;
  padding: 18px; border-radius: 4px;
  background:
    repeating-linear-gradient(180deg, transparent 0 calc(100% - 14px), #3b352c calc(100% - 14px) 100%),
    var(--wall-2);
}
.tag {
  position: relative; display: flex; flex-direction: column;
  background: var(--kraft); color: var(--kraft-ink);
  padding: 22px 16px 14px 16px; border-radius: 3px 14px 3px 3px;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
  transition: transform .15s ease;
  background-image: linear-gradient(180deg, rgba(255,255,255,.12), rgba(0,0,0,.04));
}
.tag:hover { transform: rotate(-1.2deg) translateY(-2px); color: var(--kraft-ink); }
.tag::before {
  content: ""; position: absolute; top: 9px; left: 12px; width: 9px; height: 9px; border-radius: 50%;
  background: var(--wall-2); box-shadow: inset 0 1px 2px rgba(0,0,0,.6);
}
.tag .name { font-family: var(--f-mono); font-size: 13.5px; font-weight: 700; word-break: break-all; margin: 0 0 4px; }
.tag .plain { font-family: var(--f-hand); font-size: 16px; line-height: 1.55; margin: 0 0 8px; color: #2a1e0d; }
.tag .meta { margin-top: auto; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; font-size: 12px; }
.tag .chip { background: rgba(58, 42, 20, .14); padding: 1px 7px; border-radius: 2px; }
.tag .chip.warn { background: var(--pop-red); color: #fff; }
.tag .chip.good { background: var(--pop-green); color: #0b2a1a; }
.tag .price {
  margin-left: auto; font-family: var(--f-sign); font-size: 15px; color: var(--pop-red);
  background: var(--pop-yellow); padding: 0 6px; transform: rotate(-3deg);
}
.empty { color: var(--muted); padding: 20px; }
.sr-label {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; border: 0;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- 説明書ページ ---------- */
.manual-head { padding-block: 48px 8px; }
.breadcrumb { font-size: 13px; color: var(--muted); margin: 0 0 18px; }
.breadcrumb a { color: var(--muted); }
.manual-title { display: flex; gap: 22px; align-items: flex-start; flex-wrap: wrap; }
.manual-title h1 {
  margin: 0; font-family: var(--f-sign); font-weight: 400; font-size: clamp(32px, 6.5vw, 60px); line-height: 1.1;
}
.manual-title .model { font-family: var(--f-mono); color: var(--pop-yellow); font-size: 14px; letter-spacing: .08em; }
.manual-title .sub { color: #ddd5c4; margin: 6px 0 0; font-size: clamp(15px, 2.4vw, 18px); }

.spec-plate {
  margin: 28px 0 0;
  display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  background: linear-gradient(180deg, #c9ccd0, #9da2a8); color: #1c1f22;
  border-radius: 6px; padding: 14px; gap: 10px 18px;
  box-shadow: inset 0 1px 0 #fff, inset 0 -2px 0 #6c7177, 0 8px 18px rgba(0,0,0,.4);
  font-size: 14px; position: relative;
}
.spec-plate div { min-width: 0; }
.spec-plate dt { font-family: var(--f-mono); font-size: 11px; letter-spacing: .12em; color: #474d53; }
.spec-plate dd { margin: 0; font-weight: 700; overflow-wrap: anywhere; }

/* 2段構成：ふつうの言葉で / 技術者向け */
.layer-switch { display: flex; gap: 0; margin: 40px 0 0; border-bottom: 2px solid var(--line); flex-wrap: wrap; }
.layer-switch a {
  padding: 10px 18px; text-decoration: none; color: var(--paper); font-weight: 700;
  border: 2px solid var(--line); border-bottom: 0; margin-right: -2px; border-radius: 6px 6px 0 0;
  background: var(--wall-2); font-size: 15px;
}
.layer-switch a.plain-tab { background: var(--paper); color: var(--paper-ink); }

.plain-zone {
  background: var(--paper); color: var(--paper-ink); border-radius: 0 6px 6px 6px;
  padding: clamp(22px, 4vw, 44px);
}
.plain-zone h2 { font-family: var(--f-sign); font-weight: 400; font-size: clamp(22px, 4vw, 30px); margin: 0 0 12px; color: var(--paper-ink); }
.plain-zone h3 { font-size: 19px; margin: 28px 0 8px; }
.plain-zone p, .plain-zone li { font-size: 16.5px; }
.plain-zone .analogy {
  font-family: var(--f-hand); font-size: clamp(19px, 3vw, 24px); line-height: 1.6;
  background: #fff7c2; border-left: 6px solid var(--pop-yellow); padding: 14px 18px; margin: 0 0 18px;
}
.comic {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin: 18px 0 8px;
}
.comic .panel {
  border: 3px solid var(--paper-ink); border-radius: 4px; padding: 14px; background: #fff;
  position: relative;
}
.comic .panel .num {
  position: absolute; top: -12px; left: 10px; background: var(--paper-ink); color: var(--pop-yellow);
  font-family: var(--f-mono); font-size: 12px; padding: 1px 8px;
}
.comic .panel .pic {
  width: 52px; height: 52px; display: grid; place-items: center; margin: 4px 0 10px;
  font-family: var(--f-sign); font-size: 28px; line-height: 1; color: var(--pop-red);
  border: 3px solid var(--pop-red); border-radius: 50%; transform: rotate(-8deg);
}
.comic .panel p { margin: 0; font-size: 15.5px; }
.does {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 10px 0 0;
}
.does > div { border-radius: 4px; padding: 14px 18px; }
.does .yes { background: #e2f6ea; border: 2px solid #2f9e66; }
.does .no { background: #fde6e1; border: 2px solid var(--pop-red); }
.does h3 { margin: 0 0 6px; font-size: 16px; }
.does ul { margin: 0; padding-left: 1.2em; }
.does li { font-size: 15px; }

.tech-zone { padding-block: 56px 24px; }
.tech-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; align-items: start; }
.toc {
  position: sticky; top: calc(env(safe-area-inset-top, 0px) + 64px);
  font-size: 13.5px; border-left: 2px solid var(--line); padding-left: 14px;
}
.toc .t { font-family: var(--f-mono); font-size: 11px; color: var(--pop-yellow); letter-spacing: .15em; margin: 0 0 6px; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 4px 0; }
.toc a { color: #cfc7b6; text-decoration: none; }
.toc a:hover { color: var(--pop-yellow); }

.doc h2 {
  font-family: var(--f-sign); font-weight: 400; font-size: clamp(21px, 3.6vw, 27px);
  margin: 52px 0 12px; padding-top: 6px; border-top: 1px solid var(--line);
  scroll-margin-top: 80px;
}
.doc h2:first-child { margin-top: 0; border-top: 0; }
.doc h2 .sec { font-family: var(--f-mono); font-size: 13px; color: var(--pop-yellow); margin-right: 10px; vertical-align: middle; }
.doc h3 { font-size: 18px; margin: 28px 0 8px; color: #f6edd8; scroll-margin-top: 80px; }
.doc p, .doc li { color: #e2dacb; }
.doc code {
  font-family: var(--f-mono); font-size: .88em; background: var(--code-bg); color: #ffd98a;
  padding: 1px 6px; border-radius: 3px; overflow-wrap: anywhere;
}
.doc pre {
  background: var(--code-bg); border: 1px solid var(--line); border-radius: 4px;
  padding: 14px 16px; overflow-x: auto; font-size: 13.5px; line-height: 1.6; margin: 12px 0 18px;
}
.doc pre code { background: none; padding: 0; color: #e8e0cf; overflow-wrap: normal; }
.doc pre .c { color: #8b8473; }
.doc pre .ok { color: var(--pop-green); }
.doc pre .ng { color: #ff7a63; }
.doc pre .wn { color: var(--pop-yellow); }
.table-wrap { overflow-x: auto; margin: 12px 0 18px; }
.doc table { border-collapse: collapse; width: 100%; font-size: 14px; min-width: 520px; }
.doc th, .doc td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.doc th { font-family: var(--f-mono); font-size: 12px; letter-spacing: .06em; color: var(--pop-yellow); font-weight: 400; background: #1a1916; }
.doc td code { white-space: nowrap; }

.caution {
  border: 3px solid var(--pop-yellow); border-radius: 4px; padding: 16px 18px 12px; margin: 18px 0;
  background: repeating-linear-gradient(-45deg, rgba(255,226,61,.07) 0 12px, transparent 12px 24px);
}
.caution .h { font-family: var(--f-sign); color: var(--pop-yellow); font-size: 17px; margin: 0 0 6px; }
.caution .h::before {
  content: "!"; display: inline-grid; place-items: center; width: 22px; height: 22px; margin-right: 8px;
  background: var(--pop-yellow); color: var(--wall); border-radius: 3px; font-size: 15px; vertical-align: 1px;
}
.caution ul { margin: 0; padding-left: 1.2em; }

.related { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.related a {
  display: block; background: var(--wall-2); border: 1px solid var(--line); border-radius: 4px; padding: 12px 14px;
  text-decoration: none; color: var(--paper);
}
.related a b { display: block; font-family: var(--f-mono); font-size: 13.5px; color: var(--pop-yellow); }
.related a span { font-size: 13.5px; color: #cfc7b6; }

/* ---------- フッター ---------- */
.footer {
  margin-top: 80px; padding-block: 32px calc(32px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--line); color: var(--muted); font-size: 14px;
}
.footer .wrap { display: flex; gap: 12px 28px; flex-wrap: wrap; justify-content: space-between; }
.footer a { color: #cfc7b6; }

/* ---------- 入店時の演出 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { opacity: 0; transform: translateY(14px); animation: rise .7s cubic-bezier(.2,.7,.2,1) forwards; }
  .reveal.d1 { animation-delay: .1s; }
  .reveal.d2 { animation-delay: .25s; }
  .reveal.d3 { animation-delay: .4s; }
  .reveal.d4 { animation-delay: .55s; }
  @keyframes rise { to { opacity: 1; transform: none; } }
}
@media (prefers-reduced-motion: reduce) {
  .open-neon { animation: none; }
  .item, .tag { transition: none; }
}

/* ---------- 狭い画面 ---------- */
@media (max-width: 860px) {
  .assembly { grid-template-columns: 1fr; }
  .assembly .arrow { transform: rotate(90deg); justify-self: center; }
  .tech-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; border-left: 0; padding-left: 0; border-top: 1px solid var(--line); padding-top: 12px; }
  .toc ol { display: flex; flex-wrap: wrap; gap: 4px 14px; }
}
@media (max-width: 520px) {
  .open-neon { font-size: 14px; top: -10px; right: 0; }
  .shelf { padding: 12px; }
  .topbar nav { margin-left: 0; }
}