/* ============================================================
   netkeiba optimizer 配布サイト
   白基調・パステル・角丸（ブックマークレット本体と同じ色）
   ============================================================ */
:root {
  --ink: #3b3950;
  --sub: #8c88a0;
  --faint: #b9b5c8;
  --line: #efe9f2;
  --soft: #fcf9fd;
  --pink: #ff6f9f;
  --pink-d: #e0457b;
  --pink-w: #ffe8f0;
  --mint: #2fbf93;
  --mint-w: #ddf6ee;
  --sky: #4b9dff;
  --sky-w: #e4f0ff;
  --lemon: #f5b324;
  --lemon-w: #fff3d2;
  --lav: #8f7cff;
  --lav-w: #eeebff;
  --peach-w: #ffeee5;
  --r: 20px;
  --sh: 0 10px 30px rgba(96, 74, 128, 0.08), 0 1px 3px rgba(96, 74, 128, 0.07);
}
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}
body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font: 500 16px/1.8 'Zen Maru Gothic', 'Hiragino Maru Gothic ProN', 'Hiragino Sans', 'BIZ UDPGothic', 'Meiryo', system-ui, sans-serif;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  -webkit-text-size-adjust: 100%;
}
img,
svg {
  max-width: 100%;
}
a {
  color: var(--pink-d);
}
a:hover {
  color: var(--pink);
}
:focus-visible {
  outline: 3px solid rgba(143, 124, 255, 0.5);
  outline-offset: 2px;
  border-radius: 8px;
}
[hidden] {
  display: none !important;
}
kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0 0.45em;
  border: 1px solid #d6cce6;
  border-bottom-width: 3px;
  border-radius: 7px;
  background: #fff;
  font: 900 0.86em/1.6 inherit;
  font-family: inherit;
  text-align: center;
  color: var(--ink);
}
code {
  padding: 0.05em 0.4em;
  border-radius: 6px;
  background: var(--lav-w);
  color: #6a5ae0;
  font-size: 0.9em;
}
.inner {
  max-width: 1120px;
  margin: 0 auto;
  padding-inline: 20px;
}
.skip {
  position: absolute;
  left: -999px;
}
.skip:focus {
  left: 12px;
  top: 12px;
  z-index: 100;
  background: #fff;
  padding: 0.4em 1em;
  border-radius: 999px;
}

/* ---------- ヘッダー ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-head .inner {
  display: flex;
  align-items: center;
  gap: 1em;
  min-height: 64px;
  flex-wrap: wrap;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.5em;
  color: var(--ink);
  text-decoration: none;
  line-height: 1.25;
}
.logo:hover {
  color: var(--ink);
}
.logo-mascot {
  width: 42px;
  height: 42px;
}
.logo b {
  display: block;
  font-size: 1.05em;
  font-weight: 900;
}
.logo em {
  font-style: normal;
  color: var(--pink);
}
.logo small {
  font-size: 0.7em;
  color: var(--sub);
  font-weight: 700;
}
.gnav {
  display: flex;
  gap: 0.2em;
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
}
.gnav::-webkit-scrollbar {
  display: none;
}
.gnav a {
  flex: none;
  padding: 0.35em 0.9em;
  border-radius: 999px;
  color: var(--sub);
  font-weight: 700;
  font-size: 0.92em;
  text-decoration: none;
}
.gnav a:hover {
  background: var(--soft);
  color: var(--ink);
}
.gnav a.on {
  background: var(--pink-w);
  color: var(--pink-d);
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.7em 1.5em;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover {
  color: var(--ink);
  transform: translateY(-2px);
  box-shadow: var(--sh);
}
.btn.main {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.btn.main:hover {
  color: #fff;
}

/* ---------- ヒーロー ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 64px;
  background:
    radial-gradient(600px 300px at 10% 0%, #fff0f6 0%, transparent 70%),
    radial-gradient(600px 320px at 95% 20%, #f1edff 0%, transparent 70%),
    radial-gradient(500px 260px at 60% 100%, #e9f8f2 0%, transparent 70%),
    #fff;
}
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
}
.eyebrow {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4em;
  margin: 0 0 1em;
}
.eyebrow span {
  padding: 0.15em 0.85em;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.8em;
  font-weight: 700;
  color: var(--sub);
}
.hero h1 {
  margin: 0;
  font-size: clamp(1.75rem, 3.6vw, 2.45rem);
  line-height: 1.35;
  font-weight: 900;
  letter-spacing: 0.03em;
}
.hero h1 .hl {
  background: linear-gradient(transparent 62%, #ffd3e4 62%);
}
.lead {
  margin: 1em 0 1.4em;
  color: #57536b;
  font-size: 1.02em;
}
.bm-area {
  padding: 1.2em 1.3em;
  border-radius: var(--r);
  background: #fff;
  border: 2px dashed #ffc9dc;
  text-align: center;
}
.bm-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55em;
  padding: 0.55em 1.6em 0.55em 0.65em;
  border-radius: 999px;
  background: var(--pink);
  color: #fff;
  font-weight: 900;
  font-size: 1.12em;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(255, 111, 159, 0.38);
  cursor: grab;
  transition: transform 0.15s, box-shadow 0.15s;
  user-select: none;
}
.bm-btn:hover {
  color: #fff;
  transform: translateY(-2px) rotate(-1deg);
  box-shadow: 0 14px 30px rgba(255, 111, 159, 0.45);
}
.bm-btn:active {
  cursor: grabbing;
}
.bm-mascot {
  width: 2.2em;
  height: 2.2em;
  padding: 0.15em;
  border-radius: 50%;
  background: #fff;
}
.bm-btn.wiggle {
  animation: wiggle 0.6s ease;
}
@keyframes wiggle {
  0%,
  100% {
    transform: none;
  }
  20% {
    transform: rotate(-4deg);
  }
  40% {
    transform: rotate(4deg);
  }
  60% {
    transform: rotate(-3deg);
  }
  80% {
    transform: rotate(2deg);
  }
}
.bm-hint {
  margin: 0.8em 0 0;
  font-size: 0.88em;
  color: var(--sub);
  line-height: 1.7;
}
.bm-hint .arrow {
  display: inline-block;
  color: var(--pink);
  font-weight: 900;
  animation: up 1.2s ease-in-out infinite;
}
@keyframes up {
  50% {
    transform: translateY(-4px);
  }
}
.hero-btns {
  display: flex;
  gap: 0.6em;
  flex-wrap: wrap;
  margin-top: 1.3em;
}
.hero-shot {
  margin: 0;
}
.hero-shot img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 18px;
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px rgba(96, 74, 128, 0.16);
  background: #fff;
}
.hero-shot figcaption,
.shots figcaption {
  margin-top: 0.7em;
  text-align: center;
  font-size: 0.82em;
  color: var(--sub);
  font-weight: 700;
}
.alert {
  margin: 20px 0 0;
  padding: 1em 1.2em;
  border-radius: 16px;
  background: var(--lemon-w);
  border: 1px solid #ffe3a1;
  font-size: 0.92em;
}

/* ---------- セクション ---------- */
.sec {
  padding: 64px 0;
}
.sec:nth-of-type(even) {
  background: var(--soft);
}
.sec-h {
  display: flex;
  align-items: center;
  gap: 0.6em;
  flex-wrap: wrap;
  margin: 0 0 0.6em;
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 900;
}
.pill {
  padding: 0.15em 0.9em;
  border-radius: 999px;
  background: var(--pink-w);
  color: var(--pink-d);
  font-size: 0.55em;
  letter-spacing: 0.05em;
}
.sec-lead {
  margin: 0 0 1.6em;
  color: #57536b;
}
.br-guess {
  font-size: 0.86em;
  color: var(--lav);
  font-weight: 700;
}

/* 機能 */
.features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 1.4em;
}
.feat {
  padding: 1.4em 1.4em 1.2em;
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
}
.feat .fi {
  display: grid;
  place-items: center;
  width: 2.6em;
  height: 2.6em;
  border-radius: 50%;
  font-size: 1.15em;
  background: var(--pink-w);
}
.feat:nth-child(2) .fi {
  background: var(--sky-w);
}
.feat:nth-child(3) .fi {
  background: var(--mint-w);
}
.feat:nth-child(4) .fi {
  background: var(--lemon-w);
}
.feat:nth-child(5) .fi {
  background: var(--lav-w);
}
.feat:nth-child(6) .fi {
  background: var(--peach-w);
}
.feat h3 {
  margin: 0.7em 0 0.3em;
  font-size: 1.05em;
  font-weight: 900;
}
.feat p {
  margin: 0;
  font-size: 0.9em;
  color: #57536b;
}
.shots {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  margin-top: 40px;
}
.shots figure {
  margin: 0;
}
.shots img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
  background: #fff;
}
.shots .sp img {
  border-radius: 28px;
  border: 6px solid #fff;
  box-shadow: 0 0 0 1.5px var(--line), var(--sh);
}

/* ---------- 導入手順 ---------- */
.br-tabs {
  display: flex;
  gap: 0.4em;
  flex-wrap: wrap;
  margin-bottom: 1.4em;
}
.br-tab {
  padding: 0.55em 1.2em;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: #fff;
  font: inherit;
  font-weight: 900;
  color: var(--sub);
  cursor: pointer;
  transition: all 0.15s;
}
.br-tab:hover {
  color: var(--ink);
  border-color: #e0d6ea;
}
.br-tab.on {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}
.br-pane {
  padding: 1.6em;
  border-radius: 24px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
}
.pane-h {
  margin: 0 0 1em;
  font-size: 1.2em;
  font-weight: 900;
}
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.step {
  display: flex;
  flex-direction: column;
  border-radius: 18px;
  background: var(--soft);
  border: 1px solid var(--line);
  overflow: hidden;
}
.step-txt {
  position: relative;
  padding: 1.1em 1.2em 0.9em 3.6em;
}
.step-num {
  position: absolute;
  left: 1em;
  top: 1em;
  display: grid;
  place-items: center;
  width: 1.9em;
  height: 1.9em;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  font-weight: 900;
}
.step h4 {
  margin: 0;
  font-size: 1.05em;
  font-weight: 900;
  line-height: 1.6;
}
.step p {
  margin: 0.3em 0 0;
  font-size: 0.9em;
  color: #57536b;
}
.step-fig {
  margin: auto 0 0;
  padding: 0.6em 0.8em 0.9em;
}
.illust {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--line);
  font-family: inherit;
}
.manual {
  margin-top: 1.4em;
  border-radius: 18px;
  border: 1.5px dashed #e0d6ea;
  padding: 0.2em 1.2em;
}
.manual[open] {
  padding-bottom: 1.2em;
}
.manual summary {
  cursor: pointer;
  padding: 0.8em 0;
  font-weight: 900;
  color: var(--lav);
}
.note {
  margin: 1.2em 0 0;
  padding: 0.9em 1.1em;
  border-radius: 14px;
  background: var(--lemon-w);
  font-size: 0.9em;
}
.copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
  margin: 0.4em 0 0.2em;
  padding: 0.5em 1.2em;
  border-radius: 999px;
  border: 0;
  background: var(--pink);
  color: #fff;
  font: inherit;
  font-weight: 900;
  font-size: 0.95em;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(255, 111, 159, 0.3);
}
.copy-btn.done {
  background: var(--mint);
  box-shadow: 0 6px 16px rgba(47, 191, 147, 0.3);
}
.code-box {
  margin-top: 28px;
  padding: 1.4em 1.5em;
  border-radius: 22px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
}
.code-box h3 {
  margin: 0 0 0.6em;
  font-size: 1.1em;
  font-weight: 900;
}
.code-box h3 small {
  font-size: 0.72em;
  color: var(--sub);
  font-weight: 700;
}
.code-box textarea {
  width: 100%;
  padding: 0.9em 1em;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--soft);
  color: #57536b;
  font: 500 0.82em/1.6 ui-monospace, 'SFMono-Regular', Consolas, monospace;
  resize: vertical;
  word-break: break-all;
}
.code-foot {
  display: flex;
  align-items: center;
  gap: 0.8em;
  flex-wrap: wrap;
  font-size: 0.85em;
  color: var(--sub);
}
.usable {
  margin-top: 28px;
  padding: 1.3em 1.5em;
  border-radius: 22px;
  background: var(--mint-w);
}
.usable h3 {
  margin: 0 0 0.4em;
  font-size: 1.05em;
  font-weight: 900;
}
.usable ul {
  margin: 0;
  padding-left: 1.2em;
  font-size: 0.92em;
}

/* ---------- Q&A ---------- */
.faq {
  display: grid;
  gap: 10px;
  margin-top: 1.2em;
}
.faq details {
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  padding: 0 1.2em;
}
.faq summary {
  cursor: pointer;
  padding: 1em 0;
  font-weight: 900;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.6em;
}
.faq summary::-webkit-details-marker {
  display: none;
}
.faq summary::before {
  content: 'Q';
  display: grid;
  place-items: center;
  flex: none;
  width: 1.7em;
  height: 1.7em;
  border-radius: 50%;
  background: var(--lav-w);
  color: var(--lav);
  font-size: 0.85em;
}
.faq summary::after {
  content: '＋';
  margin-left: auto;
  color: var(--faint);
}
.faq details[open] summary::after {
  content: '−';
}
.faq p {
  margin: 0 0 1.1em;
  padding-left: 2.3em;
  color: #57536b;
  font-size: 0.93em;
}

/* ---------- 汎用ページ ---------- */
.page-head {
  padding: 48px 0 28px;
  background:
    radial-gradient(500px 220px at 10% 0%, #fff0f6 0%, transparent 70%),
    radial-gradient(500px 220px at 90% 10%, #f1edff 0%, transparent 70%);
}
.page-head h1 {
  margin: 0 0 0.3em;
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  font-weight: 900;
}
.page-head p {
  margin: 0;
  color: #57536b;
}
.page-body {
  padding: 24px 0 72px;
}
.card {
  padding: 1.4em 1.5em;
  border-radius: var(--r);
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
}
.card + .card {
  margin-top: 18px;
}
.card h2 {
  margin: 0 0 0.5em;
  font-size: 1.25em;
  font-weight: 900;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.card h2 .n {
  display: grid;
  place-items: center;
  width: 1.8em;
  height: 1.8em;
  border-radius: 50%;
  background: var(--pink);
  color: #fff;
  font-size: 0.8em;
}
.card p,
.card li {
  color: #57536b;
}
.guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}
.guide-grid img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.q-demo {
  display: inline-grid;
  place-items: center;
  width: 1.3em;
  height: 1.3em;
  border-radius: 50%;
  background: var(--lav-w);
  color: var(--lav);
  font-size: 0.8em;
  font-weight: 900;
  vertical-align: 0.1em;
}
.tv-demo {
  border-bottom: 1.5px dotted rgba(143, 124, 255, 0.6);
  font-weight: 900;
}

/* 用語辞典 */
.gl-bar {
  position: sticky;
  top: 64px;
  z-index: 10;
  display: flex;
  gap: 0.6em;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.8em 0;
  background: rgba(255, 255, 255, 0.95);
}
.gl-q {
  flex: 1 1 16em;
  padding: 0.7em 1.1em;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: var(--soft);
  font: inherit;
  outline: none;
}
.gl-q:focus {
  border-color: var(--lav);
  background: #fff;
}
.gl-cats {
  display: flex;
  gap: 0.35em;
  flex-wrap: wrap;
}
.gl-cats a {
  padding: 0.3em 0.9em;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  font-size: 0.85em;
  font-weight: 700;
  color: var(--sub);
  text-decoration: none;
}
.gl-cats a:hover {
  color: var(--ink);
}
.term-sec h2 {
  margin: 1.6em 0 0.8em;
  font-size: 1.25em;
  font-weight: 900;
}
.terms {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.term-card {
  padding: 1.1em 1.3em;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--sh);
}
.term-card:target {
  box-shadow: 0 0 0 3px rgba(143, 124, 255, 0.5), var(--sh);
}
.term-card h3 {
  margin: 0;
  font-size: 1.08em;
  font-weight: 900;
}
.term-card .yomi {
  font-size: 0.75em;
  color: var(--sub);
  font-weight: 700;
}
.term-card .s {
  margin: 0.45em 0 0;
  font-weight: 700;
}
.term-card .b {
  margin: 0.4em 0 0;
  font-size: 0.92em;
  color: #57536b;
}
.term-card .tp {
  margin-top: 0.6em;
  padding: 0.5em 0.8em;
  border-radius: 12px;
  background: var(--lemon-w);
  font-size: 0.88em;
}
.gl-none {
  padding: 3em 1em;
  text-align: center;
  color: var(--sub);
}

/* 更新履歴 */
.log {
  display: grid;
  gap: 16px;
}
.log-item h2 {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  flex-wrap: wrap;
}
.log-item h2 small {
  font-size: 0.65em;
  color: var(--sub);
  font-weight: 700;
}
.log-item ul {
  margin: 0;
  padding-left: 1.2em;
}

/* デモ */
.demo-box {
  text-align: center;
  padding: 2.4em 1.5em;
}
.demo-box .mascot-big {
  width: 120px;
  height: 120px;
}

/* 404 */
.nf {
  text-align: center;
  padding: 80px 20px;
}
.nf svg {
  width: 120px;
  height: 120px;
}

/* ---------- フッター ---------- */
.site-foot {
  padding: 44px 0 56px;
  background: var(--soft);
  border-top: 1px solid var(--line);
  font-size: 0.88em;
}
.foot-brand {
  display: flex;
  align-items: center;
  gap: 0.5em;
  flex-wrap: wrap;
}
.foot-brand span {
  color: var(--sub);
  font-size: 0.9em;
}
.foot-mascot {
  width: 34px;
  height: 34px;
}
.foot-nav {
  display: flex;
  gap: 1.2em;
  flex-wrap: wrap;
  margin: 0.8em 0;
}
.foot-nav a {
  color: var(--sub);
  font-weight: 700;
  text-decoration: none;
}
.foot-nav a:hover {
  color: var(--pink-d);
}
.disclaimer {
  margin: 0;
  color: var(--sub);
  font-size: 0.92em;
  line-height: 1.9;
}

/* トースト */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 200;
  max-width: calc(100vw - 32px);
  padding: 0.75em 1.3em;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 700;
  font-size: 0.9em;
  box-shadow: 0 12px 30px rgba(59, 57, 80, 0.3);
  transform: translate(-50%, 140%);
  transition: transform 0.25s ease;
  text-align: center;
}
.toast.show {
  transform: translate(-50%, 0);
}

/* ---------- スマホ ---------- */
@media (max-width: 900px) {
  .hero-grid,
  .guide-grid {
    grid-template-columns: minmax(0, 1fr);
  }
  .features {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .steps,
  .terms {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 640px) {
  body {
    font-size: 15px;
  }
  .inner {
    padding-inline: 16px;
  }
  .site-head .inner {
    min-height: 56px;
    gap: 0.3em;
    padding-block: 0.4em;
  }
  .gnav {
    margin-left: 0;
    width: 100%;
  }
  .gl-bar {
    top: 96px;
  }
  .hero {
    padding: 36px 0 44px;
  }
  .features {
    grid-template-columns: minmax(0, 1fr);
  }
  .shots {
    grid-template-columns: minmax(0, 1fr);
  }
  .shots .sp {
    max-width: 300px;
    margin: 0 auto;
  }
  .br-pane {
    padding: 1.1em 0.9em;
  }
  .sec {
    padding: 48px 0;
  }
}