/* カタカタLab. Hobby 共通スタイル */

:root {
  --bg: #eef3f9;
  --bg-alt: #e2eaf5;
  --card-bg: #ffffff;
  --ink: #14284b;
  --ink-soft: #4a5a75;
  --ink-faint: #7c88a0;
  --line: #dbe3ef;
  --accent: #1d4fb8;
  --accent-dark: #143c8f;
  --accent-soft: #e3ecfa;
  --accent-ink: #ffffff;
  --heading: #173f97;
  --badge-bg: #ffe58a;
  --badge-ink: #1a2b55;
  --hobby: #e2453c;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 28px -20px rgba(16, 32, 61, 0.45);
  --maxw: 1180px;
  --outside: #c9d4e4;  /* 本文の列の左右(画面の余白) */
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--outside);
  color: var(--ink);
  font-family: "Yu Gothic UI", "Yu Gothic", "Hiragino Sans", "Meiryo", sans-serif;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: "BIZ UDPGothic", "Hiragino Maru Gothic ProN", "Yu Gothic UI", "Meiryo", sans-serif;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 0.5em;
  color: var(--heading);
  word-break: keep-all;
  overflow-wrap: break-word;
}

p {
  margin: 0 0 1em;
  color: var(--ink-soft);
  overflow-wrap: break-word;
}

a {
  color: var(--accent-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible,
.nav-check:focus-visible + .nav-toggle {
  outline: 3px solid #f1bc42;
  outline-offset: 3px;
}

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

button {
  font: inherit;
  color: inherit;
  cursor: pointer;
}

/* ページ全体をヘッダー画像と同じ幅の縦長の列にまとめる(ブログ・noteのような配置) */
.site {
  max-width: var(--maxw);
  min-height: 100vh;
  margin: 0 auto;
  background: var(--bg);
  box-shadow: 0 0 0 1px var(--line), 0 0 40px -12px rgba(16, 32, 61, 0.35);
}

.wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 12px;
  top: -60px;
  z-index: 100;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--accent-ink);
}

.skip-link:focus {
  top: 12px;
}

/* ---------- アイコン ---------- */

.icon {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

.icon-inline {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.15em;
  color: var(--accent);
}

/* ---------- ヘッダー ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--card-bg);
  border-bottom: 1px solid var(--line);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--ink);
}

.brand:hover {
  text-decoration: none;
}

.brand img {
  height: 34px;
  width: auto;
}

.brand-hobby {
  font: italic 700 1.55rem/1 "Segoe Print", "Segoe Script", "Comic Sans MS", cursive;
  color: var(--hobby);
  transform: rotate(-6deg) translateY(-2px);
}

.header-actions {
  display: flex;
  align-items: center;
}

.main-nav-list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 26px;
  margin: 0;
  padding: 0;
}

.main-nav a {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--ink);
  font-weight: 700;
  font-size: 0.92rem;
}

.main-nav a .icon {
  color: var(--accent);
}

.main-nav a:hover {
  color: var(--accent);
  text-decoration: none;
}

.nav-check {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav-toggle {
  display: none;
}

/* ---------- ボタン・バッジ ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}

.btn-primary:hover {
  background: var(--accent-dark);
  text-decoration: none;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 14px;
  border-radius: 999px;
  background: var(--badge-bg);
  color: var(--badge-ink);
  font-size: 0.85rem;
  font-weight: 800;
  white-space: nowrap;
}

/* ---------- ヒーロー ---------- */

.hero {
  max-width: var(--maxw);
  margin: 0 auto;
}

.hero img {
  width: 100%;
}

/* ---------- 2カラムレイアウト ---------- */

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 20px;
  align-items: start;
  padding-top: 24px;
  padding-bottom: 48px;
}

.main-col,
.side-col {
  display: grid;
  gap: 20px;
  min-width: 0;
}

/* ---------- パネル ---------- */

.panel {
  background: var(--card-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow);
  padding: 20px 22px 22px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.panel-head h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: clamp(1.2rem, 2.2vw, 1.5rem);
}

.panel-head h2 .icon {
  width: 1.3em;
  height: 1.3em;
  color: var(--accent);
}

.side-col .panel-head h2 {
  font-size: 1.12rem;
}

.panel-link {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-faint);
}

.panel-lead {
  margin: 0;
  font-size: 0.85rem;
}

/* ---------- カードのグリッド ---------- */

.grid {
  display: grid;
  gap: 16px;
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.work-card img,
.note-card img {
  width: 100%;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.work-card img {
  aspect-ratio: 4 / 3;
}

.note-card img {
  aspect-ratio: 2 / 1;
}

.card-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 4px;
}

.card-title h3 {
  font-size: 1.08rem;
  margin: 0;
}

.card-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-row p {
  flex: 1;
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
}

.card-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
}

.card-soon {
  flex: none;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

/* ---------- ColorForge ---------- */

.product-name {
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
  font-size: 1.12em;
  letter-spacing: -0.01em;
}

.panel-colorforge {
  background: linear-gradient(120deg, var(--card-bg) 45%, var(--accent-soft));
}

.colorforge {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 24px;
  align-items: center;
}

.colorforge-copy h3 {
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  color: var(--ink);
}

.colorforge-copy p {
  font-size: 0.92rem;
  margin-bottom: 20px;
}

.price {
  display: inline-block;
  margin: -4px 0 20px;
  padding: 2px 0;
  border-bottom: 3px solid var(--badge-bg);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}

.colorforge-points {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
}

.colorforge-points li {
  display: grid;
  gap: 6px;
  align-content: start;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
}

.colorforge-points .icon {
  width: 1.5em;
  height: 1.5em;
  color: var(--accent);
}

.colorforge-points li > div {
  min-width: 0;
}

.colorforge-points h4 {
  word-break: normal;
  margin: 0 0 4px;
  font-size: 0.98rem;
}

.colorforge-points p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
}

.colorforge-sub {
  margin: 14px 0 0;
  font-size: 0.85rem;
}

.laptop {
  margin: 0;
}

.laptop-screen {
  display: block;
  padding: 10px 10px 12px;
  border-radius: 12px 12px 4px 4px;
  background: #1b1f27;
  box-shadow: inset 0 0 0 2px #3a404c;
}

.laptop-screen img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
  border-radius: 3px;
}

.laptop-base {
  height: 12px;
  margin: 0 -6%;
  border-radius: 0 0 14px 14px;
  background: linear-gradient(#d5dae2, #9aa3b1);
}

.laptop figcaption {
  margin-top: 8px;
  text-align: center;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

/* ---------- ColorForge 詳細ページ ---------- */

.page-head {
  overflow-x: clip;
  padding: 40px 0 44px;
  background: linear-gradient(120deg, var(--card-bg) 40%, var(--accent-soft));
  border-bottom: 1px solid var(--line);
}

.page-head-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}

/* ColorForge紹介ページ:横長バナー(タイトルと紹介文は画像内。スマホでは文字が小さいので紹介文を本文でも出す) */
.page-head-banner {
  padding: 0 0 28px;
}

.cf-banner {
  max-width: var(--maxw);
  margin: 0 auto;
}

.cf-banner img {
  display: block;
  width: 100%;
  height: auto;
}

.cf-banner-info {
  padding-top: 18px;
}

.cf-banner-info .breadcrumb {
  margin-bottom: 10px;
}

.cf-banner-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.cf-banner-row .price {
  margin: 0;
}

.cf-banner-lead {
  display: none;
}

.breadcrumb {
  margin-bottom: 14px;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.page-head h1 {
  display: grid;
  gap: 4px;
  margin: 14px 0 16px;
  font-size: clamp(2rem, 4.4vw, 3rem);
  line-height: 1.15;
}

.page-head h1 small {
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  color: var(--ink);
}

.page-head .lead {
  font-size: 1rem;
  margin-bottom: 18px;
}

.detail {
  display: grid;
  gap: 48px;
  padding-top: 44px;
  padding-bottom: 56px;
}

.detail-section > h2 {
  font-size: clamp(1.3rem, 2.4vw, 1.65rem);
  margin-bottom: 18px;
}

.detail-section .panel h2 {
  font-size: 1.2rem;
}

.detail .colorforge-points {
  margin: 0;
}

.detail .colorforge-points h3 {
  margin: 0 0 4px;
  font-size: 1.05rem;
  word-break: normal;
}

.detail .colorforge-points p {
  font-size: 0.88rem;
}

.usage-card .icon {
  width: 1.6em;
  height: 1.6em;
  color: var(--accent);
}

.usage-card h3 {
  margin: 8px 0 6px;
  font-size: 1.15rem;
}

.usage-card p {
  margin: 0;
  font-size: 0.9rem;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.stat {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.stat strong {
  display: block;
  font-size: 2.2rem;
  line-height: 1.2;
  color: var(--heading);
}

.stat small {
  margin-left: 4px;
  font-size: 1rem;
}

.stat span {
  font-size: 0.85rem;
  color: var(--ink-soft);
}

.detail-note {
  margin: 12px 0 0;
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.flow {
  list-style: none;
  counter-reset: flow;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
}

.flow li {
  counter-increment: flow;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.flow li::before {
  content: counter(flow);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-bottom: 8px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 800;
}

.flow h3 {
  font-size: 1rem;
  margin-bottom: 6px;
  word-break: normal;
}

.flow p {
  margin: 0;
  font-size: 0.82rem;
  line-height: 1.7;
}

.feature-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.feature-head .icon {
  width: 1.4em;
  height: 1.4em;
  color: var(--accent);
}

.feature-tab {
  padding: 1px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 800;
}

.feature-card h3 {
  font-size: 1.1rem;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.spec-table th,
.spec-table td {
  padding: 10px 4px;
  border-top: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 9.5em;
  color: var(--ink-faint);
  font-weight: 700;
}

.detail-back {
  margin: 0;
  text-align: center;
}

/* ---------- サイドバー ---------- */

.side-img {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.side-col .panel p {
  font-size: 0.85rem;
  margin-bottom: 0;
}

.side-col .panel .panel-lead {
  margin-bottom: 14px;
}

.maker-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  margin-top: 12px;
}

.maker-group summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 800;
  color: var(--heading);
  list-style: none;
}

.maker-group summary::-webkit-details-marker {
  display: none;
}

.maker-group summary .icon {
  color: var(--accent);
}

.maker-group summary small {
  margin-left: auto;
  font-weight: 700;
  color: var(--ink-faint);
}

.maker-group summary::after {
  content: "";
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--ink-faint);
  border-bottom: 2px solid var(--ink-faint);
  transform: rotate(45deg) translateY(-3px);
  transition: transform 0.15s ease;
}

.maker-group[open] summary::after {
  transform: rotate(-135deg) translateX(-2px);
}

.maker-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.maker-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 4px 6px 4px 12px;
}

.maker-list a {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  padding: 4px 0;
  font-size: 0.9rem;
  font-weight: 700;
}

.icon-ext {
  width: 0.9em;
  height: 0.9em;
  color: var(--ink-faint);
}

.info-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 30px;
  height: 30px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--accent);
}

.info-btn:hover {
  background: var(--accent-soft);
}

/* iにマウスを重ねたら特色を吹き出しで出す(マウスのある端末だけ。タップ・キーボードは従来どおりpopover) */
.maker-tip {
  display: none;
}

@media (hover: hover) and (pointer: fine) {
  .maker-list li {
    position: relative;
  }

  .maker-tip {
    position: absolute;
    z-index: 20;
    top: calc(100% - 2px);
    right: 6px;
    width: min(260px, calc(100% - 12px));
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--card-bg);
    box-shadow: 0 10px 24px -10px rgba(16, 32, 61, 0.45);
    color: var(--ink-soft);
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.7;
    pointer-events: none;
  }

  .info-btn:hover + .maker-tip {
    display: block;
  }
}

.maker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 10px;
}

.maker-grid li {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.sample-note {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-alt);
  font-size: 0.8rem;
  line-height: 1.7;
}

.sample-note .icon {
  margin-top: 2px;
  color: var(--ink-faint);
}

/* ---------- ポップオーバー(メーカーの特色・機能紹介) ---------- */

.pop {
  width: min(420px, calc(100% - 32px));
  padding: 26px 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
  color: var(--ink);
  box-shadow: 0 24px 60px -20px rgba(16, 32, 61, 0.5);
}

.pop::backdrop {
  background: rgba(16, 32, 61, 0.35);
}

.pop h3 {
  margin: 10px 0 8px;
  font-size: 1.15rem;
}

.pop p {
  font-size: 0.9rem;
}

.pop-close {
  position: absolute;
  top: 10px;
  right: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--bg-alt);
}

.check-list {
  margin: 0 0 14px;
  padding-left: 1.3em;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.check-list li + li {
  margin-top: 6px;
}

/* ---------- フッター ---------- */

.site-footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--line);
  padding-bottom: 28px;
}

.footer-art {
  width: 100%;
  height: auto;
  aspect-ratio: 1180 / 200;  /* 列の幅に合わせて縮むだけで、切り抜き方は変わらない */
  object-fit: cover;
  object-position: center 62%;
  margin-bottom: 36px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.footer-brand .brand {
  margin-bottom: 10px;
}

.footer-brand .brand img {
  height: 28px;
}

.footer-brand .brand-hobby {
  font-size: 1.3rem;
}

.footer-brand p {
  max-width: 34ch;
  font-size: 0.88rem;
  margin: 0;
}

.footer-cols {
  display: flex;
  gap: 56px;
  flex-wrap: wrap;
}

.footer-col h4 {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.footer-col a {
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 0.8rem;
  color: var(--ink-faint);
}

/* ---------- レスポンシブ ---------- */

@media (max-width: 1000px) {
  .main-nav-list {
    gap: 18px;
  }

  .layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .side-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .side-col #makers,
  .side-col .sample-note {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 68px;
    right: 0;
    bottom: 0;
    left: 0;
    background: var(--card-bg);
    padding: 28px 24px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease, transform 0.18s ease;
    overflow-y: auto;
  }

  .main-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 22px;
  }

  .main-nav a {
    font-size: 1.05rem;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: var(--card-bg);
    cursor: pointer;
  }

  .nav-toggle span,
  .nav-toggle span::before,
  .nav-toggle span::after {
    content: "";
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    position: relative;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }

  .nav-toggle span::before {
    position: absolute;
    top: -6px;
  }

  .nav-toggle span::after {
    position: absolute;
    top: 6px;
  }

  .nav-check:checked ~ .main-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .nav-check:checked ~ .nav-toggle span {
    background: transparent;
  }

  .nav-check:checked ~ .nav-toggle span::before {
    transform: translateY(6px) rotate(45deg);
  }

  .nav-check:checked ~ .nav-toggle span::after {
    transform: translateY(-6px) rotate(-45deg);
  }

  .colorforge {
    grid-template-columns: minmax(0, 1fr);
  }

  .colorforge-points {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-head-grid,
  .stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .cf-banner-lead {
    display: block;
    margin: 14px 0 0;
  }

  .wrap {
    padding: 0 16px;
  }

  .brand img {
    height: 28px;
  }

  .grid-3,
  .grid-2,
  .side-col,
  .flow {
    grid-template-columns: minmax(0, 1fr);
  }

  .panel {
    padding: 18px 16px 20px;
  }

  .footer-top {
    flex-direction: column;
  }
}

/* ---------- 姉妹サイト ---------- */

.sister-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
}

.sister-list a {
  font-weight: 700;
}

.sister-list small {
  display: block;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--ink-faint);
}

.footer-col .sister-list {
  max-width: 17em;
}

.sister-panel li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

/* ---------- プライバシーポリシー・広告表記 ---------- */

.legal {
  max-width: 820px;
  padding-top: 28px;
  padding-bottom: 56px;
}

.legal section {
  margin-bottom: 28px;
}

.legal h2 {
  font-size: 1.2rem;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}

.legal ul {
  color: var(--ink-soft);
  padding-left: 1.3em;
}

.footer-ad {
  margin: 0 0 16px;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.footer-ad a {
  margin-left: 4px;
}

/* ---------- 作例ギャラリー(PHP) ---------- */

.page-head-compact {
  padding: 28px 0 30px;
}

.page-head-compact h1 {
  margin: 10px 0 8px;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
}

.page-head-compact .lead {
  margin: 0;
}

.works-page {
  padding-top: 28px;
  padding-bottom: 56px;
}

.works-search {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px 16px;
  padding: 16px 18px;
  margin-bottom: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.works-search .field {
  flex: 1 1 220px;
  margin: 0;
}

.works-reset {
  font-size: 0.85rem;
  align-self: center;
}

.field {
  display: grid;
  gap: 4px;
  margin: 0 0 14px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-soft);
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--ink);
  font: inherit;
  font-weight: 400;
}

.field textarea {
  resize: vertical;
  line-height: 1.8;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.notice-box {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.works-count {
  margin: 0 0 12px;
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.work-card-link {
  display: block;
  color: inherit;
}

.work-card-link:hover {
  text-decoration: none;
}

.work-card-link:hover h3 {
  text-decoration: underline;
}

.works-grid .work-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.card-cat {
  display: inline-block;
  flex: none;
  padding: 1px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.75rem;
  font-weight: 800;
}

.card-date {
  margin: 6px 0 0;
  font-size: 0.75rem;
  color: var(--ink-faint);
}

.work-noimage {
  display: grid;
  place-items: center;
  aspect-ratio: 4 / 3;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-alt);
  color: var(--ink-faint);
  font-size: 0.85rem;
  font-weight: 700;
}

.work-noimage-lg {
  aspect-ratio: 16 / 10;
}

.pager {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
}

.pager a,
.pager span {
  display: inline-grid;
  place-items: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--card-bg);
  font-weight: 700;
}

.pager span[aria-current] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* 作例の詳細 */

.work-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  grid-template-areas: "photos meta" "body meta";
  gap: 24px;
  align-items: start;
  padding-top: 28px;
  padding-bottom: 56px;
}

.work-photos {
  grid-area: photos;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.work-photos figure {
  margin: 0;
}

.work-photos img {
  width: 100%;
  border-radius: var(--radius-sm);
}

.photo-main {
  grid-column: 1 / -1;
}

.photo-main img {
  max-height: 72vh;
  object-fit: contain;
  background: var(--bg-alt);
}

.work-photos figcaption {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--ink-faint);
}

.work-meta {
  grid-area: meta;
  display: grid;
  gap: 16px;
}

.work-meta .panel h2 {
  font-size: 1.1rem;
}

.work-body {
  grid-area: body;
}

.paint-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 12px;
  padding: 0;
}

.paint-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
}

.paint-list small {
  display: block;
  color: var(--ink-faint);
}

.swatch {
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

.swatch rect {
  stroke: var(--line);
}

.swatch-none rect {
  fill: var(--bg-alt);
}

.swatch-none path {
  stroke: var(--ink-faint);
}

.kit-link {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 6px;
}

.pr-badge {
  padding: 1px 8px;
  border: 1px solid var(--ink-faint);
  border-radius: 4px;
  color: var(--ink-faint);
  font-size: 0.72rem;
  font-weight: 800;
}

.pr-note {
  margin: 0;
  font-size: 0.78rem;
  color: var(--ink-faint);
}

.btn-outline-accent {
  border-color: var(--accent);
  color: var(--accent-dark);
}

/* ---------- 管理画面 ---------- */

.admin-nav {
  background: var(--card-bg);
  border-bottom: 1px solid var(--line);
}

.admin-nav .wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  font-size: 0.9rem;
  font-weight: 700;
}

.admin-nav form {
  margin-left: auto;
}

.link-button {
  padding: 0;
  border: 0;
  background: none;
  color: var(--accent-dark);
  font-weight: 700;
}

.admin {
  max-width: 900px;
  padding-top: 24px;
  padding-bottom: 56px;
}

.admin h1 {
  font-size: 1.5rem;
}

.admin-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.admin-head h1 {
  margin: 0;
}

.flash,
.form-error {
  margin: 0 0 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
}

.flash {
  background: #e3f4e8;
  color: #1d5c32;
}

.form-error {
  background: #fde8e6;
  color: #9b2117;
  list-style-position: inside;
}

.admin-form fieldset {
  margin: 0 0 18px;
  padding: 16px 18px 6px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.admin-form legend {
  padding: 0 6px;
  font-weight: 800;
  color: var(--heading);
}

.admin-login {
  max-width: 420px;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0 14px;
}

.paint-row {
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
}

.radio-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 12px;
}

.hint {
  font-size: 0.82rem;
  color: var(--ink-faint);
}

.check {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
}

.photo-admin {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 14px;
  margin-bottom: 14px;
}

.photo-admin-item img {
  width: 100%;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
}

.form-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.danger-zone {
  margin-top: 36px;
  padding: 16px 18px;
  border: 1px solid #e7b4ae;
  border-radius: var(--radius-md);
}

.danger-zone h2 {
  font-size: 1.05rem;
}

.btn-danger {
  margin-top: 10px;
  background: #b3261e;
  color: #fff;
}

.table-scroll {
  overflow-x: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  font-size: 0.88rem;
}

.admin-table th,
.admin-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table small {
  color: var(--ink-faint);
}

.status {
  padding: 1px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 800;
  white-space: nowrap;
}

.status.is-public {
  background: #e3f4e8;
  color: #1d5c32;
}

.status.is-draft {
  background: var(--bg-alt);
  color: var(--ink-faint);
}

@media (max-width: 860px) {
  .work-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "photos" "meta" "body";
  }

  .paint-row {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 640px) {
  .work-photos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- ダークモード(OS設定追従) ---------- */

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --outside: #04070d;
    --bg-alt: #101a2e;
    --card-bg: #131f36;
    --ink: #eef2fb;
    --ink-soft: #b7c2d9;
    --ink-faint: #8792a8;
    --line: #253253;
    --accent: #6b9af0;
    --accent-dark: #93b6f4;
    --accent-soft: #1c2c4d;
    --accent-ink: #0b1220;
    --heading: #cddcfa;
    --hobby: #ff7a6e;
    --shadow: 0 10px 28px -20px rgba(0, 0, 0, 0.7);
  }
}

/* ---------- ColorForge 使用場面のイラスト ---------- */

.scene {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
}

.scene img,
.scene-card img {
  width: 100%;
  border-radius: var(--radius-md);
}

.scene h3,
.scene-card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.scene p,
.scene-card p {
  margin: 0;
}

.scene-card {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--card-bg);
}

.detail-section > .grid + .pr-note {
  margin-top: 12px;
}

.detail-section > h2 .badge {
  margin-left: 8px;
  font-size: 0.8rem;
  vertical-align: middle;
}

@media (max-width: 860px) {
  .scene {
    grid-template-columns: minmax(0, 1fr);
  }
}

/* ---------- 案内役2人の吹き出し(ColorForge紹介ページ) ---------- */

.talk {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
}

.talk-line {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin: 0;
}

.talk-line.is-hikaru {
  flex-direction: row-reverse;
}

.talk-face {
  flex: none;
  width: 56px;
  height: 56px;
  border: 3px solid var(--card-bg);
  border-radius: 50%;
  box-shadow: var(--shadow);
}

.talk-bubble {
  max-width: min(640px, calc(100% - 66px));
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card-bg);
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.75;
}

.is-madoka .talk-bubble {
  border-bottom-left-radius: 4px;
}

.is-hikaru .talk-bubble {
  border-bottom-right-radius: 4px;
  background: var(--accent-soft);
}

.talk-who {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--ink-faint);
}

.talk-intro .talk,
.talk-before-env .talk {
  margin-bottom: 0;
}

/* ---------- お問い合わせ ---------- */

.contact-page {
  max-width: 760px;
  padding-top: 28px;
  padding-bottom: 56px;
}

.contact-form {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--card-bg);
}

.req {
  margin-left: 6px;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--hobby);
  color: #fff;
  font-size: 0.72rem;
  font-style: normal;
}

.form-trap {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-consent {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 4px 0 18px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}

.contact-consent input {
  margin-top: 0.45em;
}

.form-error ul {
  margin: 0;
  padding-left: 1.2em;
}