/* =========================================================
   00. Reset / Base
========================================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

img { max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* =========================================================
   01. Theme Variables
========================================================= */
:root {
  --toggle-dot-offset: 0px;

  --bg: #071029;
  --card: #0d1b2d;
  --sidebar: #0a1220;
  --border: rgba(148,163,184,.18);

  --text: #edf3ff;
  --muted: #9db0cf;

  --pre-back-color: #101d33;
  --button-back-color: #1d2c45;
  --button-pr-back-color: #edf4ff;
  --button-su-back-color: #edfef6;
  --button-da-back-color: #f1f5ff;
  --scrlbar_color: #5c7bff;

  --accent: #7c9cff;
  --accent-2: #45c2a5;
  --info: #5ea7ff;
  --danger: #7d8aa5;
  --warn: #f0b75b;

  --input: rgba(148,163,184,.08);

  --mono: ui-monospace, SFMono-Regular, Consolas, monospace;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 18px;
}

/* Light Blue */
:root[data-theme="lightblue"] {
  --bg: #d9edf0;
  --card: #edf8f8;
  --sidebar: #cfe8eb;
  --border: rgba(52,116,126,.2);

  --text: #143847;
  --muted: #466a78;

  --pre-back-color: #edfdfd;
  --button-back-color: #e4f7f5;
  --button-pr-back-color: #1b4253;
  --button-su-back-color: #183f36;
  --button-da-back-color: #1b4253;
  --scrlbar_color: #6bb1c9;

  --accent: #2195c5;
  --accent-2: #4ba77a;
  --info: #2c8dc6;
  --danger: #718a99;
  --warn: #cd8d3d;
  --input: #f4feff;
}

/* White Green */
:root[data-theme="whitegreen"] {
  --bg: #dff7e9;
  --card: #f3faf5;
  --sidebar: #d8f1df;
  --border: rgba(45,118,91,.22);

  --text: #1a322b;
  --muted: #496962;

  --pre-back-color: #f3fcf7;
  --button-back-color: #eafaf1;
  --button-pr-back-color: #214f41;
  --button-su-back-color: #173f36;
  --button-da-back-color: #214f41;
  --scrlbar_color: #65ba93;

  --accent: #2fa36f;
  --accent-2: #55c081;
  --info: #4d8fce;
  --danger: #6e837c;
  --warn: #c97e32;
  --input: #f9fefb;
}

/* Black Green */
:root[data-theme="black"] {
  --bg: #050505;
  --card: #0b0f0b;
  --sidebar: #050805;
  --border: rgba(78,170,140,.22);

  --text: #dffaf1;
  --muted: #8bccb1;

  --pre-back-color: #071c16;
  --button-back-color: #0b231a;
  --button-pr-back-color: #eafef6;
  --button-su-back-color: #eafef6;
  --button-da-back-color: #edf3ff;
  --scrlbar_color: #41b58d;

  --accent: #45c2a5;
  --info: #58a6ff;
  --danger: #8aa3c7;
  --warn: #d9ab54;
  --input: rgba(69,194,165,.08);
}

/* DeepBlack */
:root[data-theme="deepblack"] {
  --bg: #000000;
  --card: #101010;
  --sidebar: #050505;
  --border: rgba(255,255,255,.08);

  --text: #eef2ff;
  --muted: #a7b0c5;

  --pre-back-color: #1a1d25;
  --button-back-color: #1f2431;
  --button-pr-back-color: #edf2ff;
  --button-su-back-color: #edfef6;
  --button-da-back-color: #edf2ff;
  --scrlbar_color: #8ea5ff;

  --accent: #a8b6ff;
  --info: #71a8ff;
  --danger: #97a4bf;
  --warn: #d9b267;
  --input: rgba(255,255,255,.06);
}

/* =========================================================
   02. Typography
========================================================= */
h1 { font-size: 1.6em; margin: 0 0 .4em; }
h2 { font-size: 1.25em; margin: 1.2em 0 .4em; }
h3 { font-size: 1.05em; margin: 1em 0 .3em; }

p { color: var(--muted); margin: .4em 0; }
small { color: var(--muted); }

code, pre {
  font-family: var(--mono);
  font-size: .85em;
}

pre {
  background: var(--pre-back-color);
  padding: 12px;
  border-radius: var(--r-md);
  overflow-x: auto;
}

/* =========================================================
   03. Layout Primitives
========================================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.stack > * + * { margin-top: 12px; }

.grid {
  display: grid;
  gap: 12px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 20px;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}

/* =========================================================
   04. Forms
========================================================= */
label {
  display: block;
  font-size: .8em;
  color: var(--muted);
  margin: .8em 0 .3em;
}

input,
textarea,
select {
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--text);
  font-size: .85em;
}

textarea {
  min-height: 120px;
  font-family: var(--mono);
}

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

input.error,
textarea.error {
  border-color: var(--danger);
}

::placeholder {
  color: var(--muted);
  opacity: .7;
}

fieldset {
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 12px;
}

/* =========================================================
   05. Buttons
========================================================= */
.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 14px;
  border-radius: var(--r-sm);
  border: 0;
  cursor: pointer;
  font-size: .85em;
  font-weight: 600;
  background: var(--button-back-color);
  color: var(--text);
  text-decoration: none;
  transition: .2s ease;
}

.button.primary,
button.primary { background: var(--accent); color: var(--button-pr-back-color); }
.button.success,
button.success { background: var(--accent-2); color: var(--button-su-back-color); }
.button.danger,
button.danger  { background: var(--danger); color: var(--button-da-back-color); }
.button.ghost,
button.ghost   { background: transparent; border: 1px solid var(--border); }

.button:hover,
button:hover { filter: brightness(1.04); text-decoration: none; }

button:disabled {
  opacity: .5;
  cursor: not-allowed;
}

button:active {
  transform: translateY(1px);
}

/* =========================================================
   06. Tables
========================================================= */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .8em;
}

th, td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
}

tr:hover {
  background: rgba(255,255,255,.04);
}

/* =========================================================
   07. Feedback / Status
========================================================= */
.badge {
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .7em;
}

.ok   { background: rgba(34,197,94,.2); color: #4ade80; }
.warn { background: rgba(250,204,21,.2); color: #fde68a; }
.err  { background: rgba(239,68,68,.2); color: #f87171; }

.alert {
  padding: 10px 14px;
  border-radius: var(--r-md);
  border-left: 4px solid;
  background: var(--card);
}

.alert.info { border-color: var(--info); }
.alert.warn { border-color: var(--warn); }
.alert.err  { border-color: var(--danger); }

/* =========================================================
   08. Utility
========================================================= */
.hidden { display: none !important; }
.muted  { color: var(--muted); }
.mono   { font-family: var(--mono); }
.nowrap { white-space: nowrap; }

/* =========================================================
   09. Site Layout (common foundation)
========================================================= */
body {
  background: radial-gradient(circle at top, rgba(124,58,237,.18), transparent 35%), var(--bg);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,.62);
  backdrop-filter: blur(12px);
}

:root[data-theme="lightblue"] .site-header,
:root[data-theme="whitegreen"] .site-header {
  background: rgba(216,246,245,.72);
  border-bottom: 1px solid rgba(52,110,118,.18);
}

:root[data-theme="black"] .site-header,
:root[data-theme="deepblack"] .site-header {
  background: rgba(5,5,5,.8);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
}

#theme-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  cursor: pointer;
}

#theme-toggle svg {
  width: 30px;
  height: 30px;
  display: block;
}

#theme-toggle .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  transform: translateY(var(--toggle-dot-offset, 0px));
  transition: background .25s ease;
}

#theme-menu .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
  transform: translateY(0);
  transition: background .25s ease;
}

#theme-toggle .dot.is-animating {
  transition: transform .7s cubic-bezier(.22, 1, .36, 1), background .25s ease;
}

#theme-menu {
  position: fixed;
  display: none;
  flex-direction: column;
  gap: 4px;
  min-width: 180px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--card);
  box-shadow: 0 10px 24px rgba(0,0,0,.25);
  z-index: 1000;
}

#theme-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  font-size: .8em;
  text-align: left;
  cursor: pointer;
}

#theme-menu button:hover,
#theme-menu button.is-active {
  background: rgba(255,255,255,.04);
}

#theme-menu .dot-lightblue { background: #5d8cff; }
#theme-menu .dot-whitegreen { background: #4ea57b; }
#theme-menu .dot-black { background: #45c2a5; }
#theme-menu .dot-deepblack { background: #a8b6ff; }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--text);
}

.brand-mark {
  display: inline-flex;
  width: 33px;
  height: 33px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 10px 25px rgba(124,58,237,.35);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  font-size: .9em;
}

.site-nav a.active,
.site-nav a:hover {
  color: var(--text);
}

.page-main {
  padding-top: 30px;
  padding-bottom: 80px;
}

.template-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 20px;
  padding-top: 30px;
  padding-bottom: 80px;
}

.template-sidebar {
  align-self: start;
  position: sticky;
  top: 90px;
}

.template-sidebar-header {
  margin-bottom: 18px;
}

.template-sidebar-header h2 {
  margin: 0;
}

.template-side-nav {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.template-side-nav a {
  display: block;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--muted);
  border: 1px solid transparent;
}

.template-side-nav a.active,
.template-side-nav a:hover {
  color: var(--text);
  background: rgba(255,255,255,.04);
  border-color: var(--border);
  text-decoration: none;
}

.template-side-box {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.02);
}

.template-side-box h3 {
  margin-top: 0;
  margin-bottom: 12px;
}

.template-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(124,58,237,.25);
}

.template-content {
  min-width: 0;
}

.hero {
  display: grid;
  grid-template-columns: 1.4fr .9fr;
  gap: 18px;
  align-items: center;
}

.hero-copy {
  padding: 10px 6px;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 12px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(124,58,237,.08);
  color: var(--accent);
  font-size: .74em;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 1.1;
  margin: 0 0 14px;
}

.hero p {
  font-size: 1rem;
  margin: 0;
}

.cta-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 22px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 24px;
}

.metric {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.02);
}

.metric strong {
  display: block;
  font-size: 1.4em;
  color: var(--text);
}

.metric span {
  color: var(--muted);
  font-size: .8em;
}

.hero-panel {
  display: grid;
  gap: 12px;
}

.hero-panel .card {
  padding: 18px;
}

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

.list li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
}

.list li::before {
  content: "✓";
  display: inline-flex;
  width: 20px;
  height: 20px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(34,197,94,.12);
  color: #4ade80;
  font-size: .75em;
  font-weight: 700;
}

.section-intro {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 12px;
  margin-top: 8px;
  margin-bottom: 12px;
}

.section-intro h2 {
  margin: 0;
}

.service-grid,
.feature-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.service-card,
.feature-card {
  height: 100%;
}

.service-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  margin-bottom: 12px;
  border-radius: 12px;
  background: rgba(124,58,237,.12);
  color: var(--accent);
  font-weight: 700;
}

.page-section {
  margin-top: 28px;
}

.two-col {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 16px;
}

.quote-box {
  padding: 18px;
  border-left: 4px solid var(--accent);
  background: rgba(124,58,237,.06);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}

.contact-panel {
  display: grid;
  gap: 14px;
}

@media (max-width: 768px) {
  .hero,
  .two-col,
  .service-grid,
  .feature-grid,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .nav-wrap {
    flex-wrap: wrap;
    justify-content: center;
    padding: 14px 0;
  }

  .section-intro {
    display: block;
  }
}

/* =========================================================
   09. Scrollbar
========================================================= */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--scrlbar_color) transparent;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-thumb {
  background: var(--scrlbar_color);
  border-radius: 8px;
}

/* =========================================================
   10. Docs / Blog Mode
========================================================= */
:root[data-mode="docs"] {
  --content-width: 760px;
}

:root[data-mode="docs"] body {
  font-size: 16px;
}

/* =========================================================
   Layout
========================================================= */
.docs {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 32px 20px 80px;
}

.docs header {
  margin-bottom: 32px;
}

.docs footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: .8em;
  color: var(--muted);
}

/* =========================================================
   Article Meta (Blog / Docs 共通)
========================================================= */
.meta {
  font-size: .75em;
  color: var(--muted);
  margin: 8px 0 24px;
}

/* =========================================================
   Headings
========================================================= */
:root[data-mode="docs"] h1 {
  font-size: 2.1em;
  margin-bottom: .3em;
}

:root[data-mode="docs"] h2 {
  font-size: 1.55em;
  margin: 2em 0 .6em;
}

:root[data-mode="docs"] h3 {
  font-size: 1.25em;
  margin: 1.4em 0 .4em;
}

:root[data-mode="docs"] h4 {
  font-size: 1.05em;
  margin: 1.2em 0 .3em;
}

/* Anchor hint */
:root[data-mode="docs"] h2:hover::after,
:root[data-mode="docs"] h3:hover::after {
  content: " #";
  color: var(--muted);
}

/* =========================================================
   Text
========================================================= */
:root[data-mode="docs"] p {
  color: var(--text);
  margin: .8em 0;
}

:root[data-mode="docs"] strong {
  font-weight: 700;
}

:root[data-mode="docs"] em {
  font-style: italic;
}

/* =========================================================
   Lists
========================================================= */
:root[data-mode="docs"] ul,
:root[data-mode="docs"] ol {
  padding-left: 1.4em;
  margin: .8em 0;
}

:root[data-mode="docs"] li {
  margin: .4em 0;
}

/* =========================================================
   Links
========================================================= */
:root[data-mode="docs"] a {
  text-decoration: underline;
}

/* =========================================================
   Code
========================================================= */
:root[data-mode="docs"] code {
  background: rgba(0,0,0,.25);
  padding: 2px 6px;
  border-radius: 6px;
}

:root[data-mode="docs"] pre {
  margin: 1.2em 0;
  font-size: .82em;
  line-height: 1.5;
}

:root[data-mode="docs"] pre code {
  background: none;
  padding: 0;
}

/* =========================================================
   Blockquote
========================================================= */
:root[data-mode="docs"] blockquote {
  margin: 1.2em 0;
  padding: .6em 1em;
  border-left: 4px solid var(--accent);
  background: rgba(0,0,0,.15);
  color: var(--text);
}

/* =========================================================
   Tables
========================================================= */
:root[data-mode="docs"] table {
  margin: 1.2em 0;
}

:root[data-mode="docs"] th {
  background: rgba(0,0,0,.15);
}

/* =========================================================
   Images
========================================================= */
:root[data-mode="docs"] img {
  display: block;
  margin: 1.4em auto;
  border-radius: var(--r-md);
}

/* =========================================================
   HR
========================================================= */
:root[data-mode="docs"] hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 2.5em 0;
}

/* =========================================================
   Admonition (NOTE / WARN / TIP)
========================================================= */
.note,
.tip,
.warnbox {
  padding: 12px 16px;
  border-radius: var(--r-md);
  margin: 1.2em 0;
  background: var(--card);
}

.note {
  border-left: 4px solid var(--info);
}

.tip {
  border-left: 4px solid var(--accent-2);
}

.warnbox {
  border-left: 4px solid var(--danger);
}
/* =========================================================
   11. Docs TOC
========================================================= */
.toc-layout {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 32px;
}

@media (max-width: 900px) {
  .toc-layout {
    grid-template-columns: 1fr;
  }
}

.toc {
  position: sticky;
  top: 24px;
  align-self: start;

  border: 1px solid var(--border);
  border-radius: var(--r-md);
  padding: 14px;
  background: var(--card);

  font-size: .8em;
}

.toc strong {
  display: block;
  margin-bottom: 8px;
  font-size: .75em;
  color: var(--muted);
  letter-spacing: .04em;
  text-transform: uppercase;
}

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

.toc li {
  margin: 6px 0;
}

.toc li ul {
  margin-left: 12px;
}

.toc a {
  color: var(--text);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent);
}
/* =========================================================
   12. Blog List
========================================================= */
.blog-list {
  display: grid;
  gap: 20px;
}

.blog-item {
  padding: 18px 20px;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--card);
}

.blog-item h2 {
  margin: 0 0 6px;
  font-size: 1.2em;
}

.blog-item p {
  margin: 0;
}

.blog-item .meta {
  margin-top: 8px;
}

.tags {
  margin-top: 10px;
}

.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: .65em;
  background: rgba(124,58,237,.2);
  color: var(--accent);
}


.wydebox {
  width: 100%;
  box-sizing: border-box;

  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: rgba(255,255,255,.02);
}

.wydebox h3 {
  margin-top: 0;
}

.wydebox-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.wydebox-header h3 {
  margin: 0;
}