/* Koto Map 公式サイト — 承認済みデザインを HTML/CSS で再構成したスタイル */

:root {
  --green-900: #14532d;
  --green-800: #166534;
  --green-700: #15803d;
  --green-600: #16a34a;
  --green-500: #22c55e;
  --green-100: #dcfce7;
  --green-50: #f0fdf4;
  --sky-50: #f0f9ff;
  --sky-100: #e0f2fe;
  --ink: #1f2937;
  --ink-soft: #475569;
  --muted: #64748b;
  --line: #e2e8f0;
  --white: #ffffff;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 10px 30px rgba(15, 42, 25, 0.08);
  --shadow-sm: 0 4px 14px rgba(15, 42, 25, 0.06);
  --wrap: 1120px;
  --gutter: 20px;
  --focus: #b45309;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP",
    "Yu Gothic Medium", "Yu Gothic", Meiryo, system-ui, sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
}

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

a { color: var(--green-700); }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--green-700);
  color: var(--white);
  padding: 10px 18px;
  z-index: 100;
}
.skip-link:focus { left: 8px; top: 8px; }

/* ---------- ヘッダー ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--green-800);
  font-weight: 700;
  margin-right: auto;
}
.brand-mark { width: 32px; height: auto; }
.brand-name { font-size: 1.32rem; letter-spacing: 0.01em; }

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink);
  border-radius: 999px;
  padding: 8px 16px;
  font: inherit;
  font-size: 0.92rem;
  cursor: pointer;
}
.nav-toggle-bar {
  width: 16px;
  height: 2px;
  background: var(--green-700);
  box-shadow: 0 -5px 0 var(--green-700), 0 5px 0 var(--green-700);
}

.site-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 26px;
}
.site-nav a {
  display: inline-block;
  padding: 6px 2px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.97rem;
  border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--green-700); }
.site-nav a[aria-current="page"] {
  color: var(--green-700);
  font-weight: 700;
  border-bottom-color: var(--green-600);
}

@media (max-width: 860px) {
  .site-nav {
    flex-basis: 100%;
    display: none;
    padding-bottom: 12px;
  }
  .site-nav.is-open { display: block; }
  .site-nav ul { flex-direction: column; gap: 4px; }
  .site-nav a {
    padding: 12px 4px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }
}
@media (min-width: 861px) {
  .nav-toggle { display: none; }
}

/* ---------- ヒーロー ---------- */
.hero {
  background: linear-gradient(180deg, var(--sky-100) 0%, #eaf7ef 100%);
  overflow: hidden;
}
.hero-inner {
  display: grid;
  gap: 8px;
  align-items: center;
  padding-block: 34px 0;
}
.hero-copy { position: relative; z-index: 1; }
.hero h1 {
  font-size: clamp(1.85rem, 6.4vw, 3.15rem);
  line-height: 1.34;
  margin: 0 0 16px;
  color: #0f172a;
  letter-spacing: 0.01em;
}
.hero p {
  margin: 0 0 22px;
  color: var(--ink-soft);
  font-size: 1.02rem;
}
.hero-art {
  margin-inline: calc(var(--gutter) * -1);
  width: calc(100% + var(--gutter) * 2);
  max-width: none;
}
@media (min-width: 861px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr);
    gap: 24px;
    padding-block: 46px 0;
  }
  .hero-art {
    margin-inline: 0;
    width: 100%;
    align-self: end;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 16%);
    mask-image: linear-gradient(90deg, transparent 0, #000 16%);
  }
}

/* ページ見出し用の短いヒーロー */
.hero--page h1 { font-size: clamp(1.7rem, 5.6vw, 2.7rem); }
.hero--page .hero-inner { padding-block: 30px 0; }

/* ---------- ボタン ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 999px;
  padding: 13px 26px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-family: inherit;
  line-height: 1.4;
}
.btn-primary { background: var(--green-700); color: var(--white); }
.btn-primary:hover { background: var(--green-800); }
.btn-outline {
  background: var(--white);
  color: var(--green-800);
  border-color: var(--green-600);
}
.btn-outline:hover { background: var(--green-50); }
.btn[aria-disabled="true"] { opacity: 0.65; cursor: not-allowed; }

.btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- セクション共通 ---------- */
.section { padding-block: 56px; }
.section--tint { background: var(--green-50); }
.section h2 {
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  margin: 0 0 10px;
  color: var(--green-900);
  letter-spacing: 0.01em;
}
.section-lead {
  margin: 0 0 30px;
  color: var(--ink-soft);
}

.eyebrow {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  border-radius: 999px;
  padding: 5px 15px;
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 12px;
}

/* ---------- 注目アプリ（TOP） ---------- */
.feature {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  display: grid;
  gap: 26px;
}
.feature-head {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.app-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  flex: none;
}
.feature h2 {
  margin: 0;
  font-size: clamp(1.6rem, 5vw, 2.3rem);
  color: #0f172a;
}
.feature h2 small {
  font-size: 0.55em;
  color: var(--ink-soft);
  font-weight: 700;
  margin-left: 6px;
}
.feature-tagline {
  color: var(--green-700);
  font-weight: 700;
  font-size: 1.08rem;
  margin: 6px 0 12px;
}

.spec-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}
.spec-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  color: var(--ink);
  font-size: 0.96rem;
}
.spec-icon {
  width: 30px;
  height: 30px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--green-100);
  color: var(--green-800);
  flex: none;
}
.spec-icon svg { width: 17px; height: 17px; }
.spec-icon--blue { background: var(--sky-100); color: #0369a1; }
.spec-icon--violet { background: #ede9fe; color: #6d28d9; }

.price-pill {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  background: var(--white);
  border: 2px solid var(--green-100);
  border-radius: 999px;
  padding: 11px 24px;
  font-weight: 700;
  color: var(--green-800);
  text-decoration: none;
}
.price-pill .sep { color: var(--line); }

@media (min-width: 861px) {
  .feature {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: center;
    padding: 34px 32px;
  }
}

/* ---------- 端末モックアップ ---------- */
.phone {
  width: 100%;
  max-width: 264px;
  margin-inline: auto;
  border: 9px solid #111827;
  border-radius: 34px;
  overflow: hidden;
  background: #111827;
  box-shadow: var(--shadow);
}
.phone img { border-radius: 24px; }
.phone--sm { max-width: 190px; border-width: 7px; border-radius: 26px; }

.phone-caption {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  margin: 10px 0 0;
}

/* ---------- カードグリッド ---------- */
.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
@media (min-width: 620px) { .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 861px) {
  .grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
}
.card h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  color: var(--green-900);
  display: flex;
  align-items: center;
  gap: 10px;
}
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.card--app { display: flex; gap: 14px; align-items: flex-start; }
.card--app .app-icon { width: 62px; height: 62px; border-radius: 16px; }
.card--app h3 { margin-bottom: 4px; }

.flag {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  flex: none;
  display: grid;
  place-items: center;
  background: var(--green-50);
  border: 1px solid var(--line);
  overflow: hidden;
}
.flag svg { width: 40px; height: 28px; border-radius: 4px; }

.badge {
  display: inline-block;
  background: var(--green-100);
  color: var(--green-800);
  border-radius: 999px;
  padding: 3px 12px;
  font-size: 0.78rem;
  font-weight: 700;
}
.badge--soon { background: #e0e7ff; color: #3730a3; }

.step-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--green-600);
  color: var(--white);
  font-weight: 700;
  flex: none;
}
.step-num--2 { background: #0284c7; }
.step-num--3 { background: #7c3aed; }

.card--learn { display: grid; gap: 16px; }
@media (min-width: 620px) {
  .card--learn { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
}

/* ---------- Privacy ---------- */
.policy { display: grid; gap: 18px; }
@media (min-width: 980px) {
  .policy-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 26px;
    align-items: start;
  }
  .policy { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.policy .card h3 { align-items: flex-start; }
.policy ul { margin: 10px 0 0; padding-left: 1.2em; color: var(--ink-soft); font-size: 0.95rem; }
.policy li { margin-bottom: 5px; }
.policy p + p { margin-top: 10px; }

.side-card {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius);
  padding: 20px;
}
.side-card + .side-card { margin-top: 16px; }
.side-card h2 { font-size: 1.15rem; margin-bottom: 8px; }
.side-list { list-style: none; margin: 14px 0 0; padding: 0; display: grid; gap: 12px; }
.side-list li {
  display: flex;
  gap: 12px;
  align-items: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
}
.side-list strong { display: block; color: var(--green-900); }
.side-list span { font-size: 0.86rem; color: var(--muted); }

/* ---------- フォーム ---------- */
.form-layout { display: grid; gap: 26px; }
@media (min-width: 980px) {
  .form-layout { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: start; }
}

.form-panel {
  background: var(--green-50);
  border: 1px solid var(--green-100);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
}
@media (min-width: 620px) { .form-panel { padding: 30px 28px; } }

.field { margin-bottom: 20px; }
.field label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 7px;
  color: var(--green-900);
}
.req {
  background: #fee2e2;
  color: #b91c1c;
  border-radius: 6px;
  font-size: 0.72rem;
  padding: 2px 8px;
  font-weight: 700;
}
.field input,
.field select,
.field textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 12px;
  padding: 13px 14px;
  font: inherit;
  font-size: 1rem;
  background: var(--white);
  color: var(--ink);
}
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus-visible,
.field select:focus-visible,
.field textarea:focus-visible { border-color: var(--green-600); }
.hint { margin: 6px 0 0; font-size: 0.83rem; color: var(--muted); }
.counter { text-align: right; font-size: 0.83rem; color: var(--muted); margin: 6px 0 0; }

.field-error {
  margin: 6px 0 0;
  font-size: 0.87rem;
  color: #b91c1c;
  font-weight: 700;
}
.field-error:empty { display: none; }
[aria-invalid="true"] { border-color: #dc2626 !important; }

/* ハニーポット: 利用者には見せず、支援技術からも外す */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  margin: 0 0 18px;
  padding: 14px 16px;
  border-radius: 12px;
  font-weight: 700;
}
.form-status:empty { display: none; }
.form-status.is-ok { background: var(--green-100); color: var(--green-900); }
.form-status.is-ng { background: #fee2e2; color: #991b1b; }
.form-status.is-busy { background: var(--sky-100); color: #075985; }

.submit-row { display: grid; gap: 10px; }
.submit-row .btn { width: 100%; }

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--white);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  padding: 14px 16px;
  font-weight: 700;
  color: var(--green-900);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "＋"; float: right; color: var(--green-600); }
.faq-item[open] summary::after { content: "－"; }
.faq-item p { margin: 0; padding: 0 16px 16px; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- フッター ---------- */
.site-footer {
  background: var(--green-50);
  border-top: 1px solid var(--green-100);
  margin-top: 60px;
  padding-top: 34px;
}
.footer-inner {
  display: grid;
  gap: 22px;
  align-items: center;
}
.footer-tagline { margin: 10px 0 0; color: var(--ink-soft); font-size: 0.92rem; }
.footer-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.footer-nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.94rem; }
.footer-nav a:hover { color: var(--green-700); text-decoration: underline; }
.footer-mascot { width: 110px; justify-self: start; }
.copyright {
  margin: 0;
  padding: 18px 20px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
@media (min-width: 861px) {
  .footer-inner {
    grid-template-columns: auto 1fr auto;
    gap: 34px;
  }
  .footer-mascot { justify-self: end; }
}

/* 装飾イラストは印刷・低速時に必須ではない */
@media print {
  .hero-art, .footer-mascot, .site-nav, .nav-toggle { display: none; }
}

/* Turnstile ウィジェットは幅300px固定のため、狭い画面では収まるよう縮小する */
.form-layout > * { min-width: 0; }
.form-panel { min-width: 0; }

.turnstile-wrap {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}
.turnstile-wrap .cf-turnstile {
  transform-origin: left top;
}
@media (max-width: 420px) {
  .form-panel { padding-inline: 16px; }
  .section { padding-block: 40px; }
  .turnstile-wrap { height: 70px; }
  .turnstile-wrap .cf-turnstile { transform: scale(0.78); }
}
@media (max-width: 360px) {
  :root { --gutter: 14px; }
  .turnstile-wrap .cf-turnstile { transform: scale(0.72); }
}

/* --- 仕上げ調整 --- */

/* デスクトップではヒーローのイラストを画面右端まで伸ばす（承認デザインの帯に合わせる） */
@media (min-width: 861px) {
  .hero-inner { grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr); }
  .hero-art {
    width: calc(100% + (100vw - min(100vw, var(--wrap))) / 2 + var(--gutter));
    max-width: none;
  }
}

/* アプリ一覧カード: 見出しとバッジが不自然に折り返さないようにする */
.card--app h3 { flex-wrap: wrap; gap: 6px 8px; }
.card--app .app-icon,
.card--app .flag { width: 54px; height: 54px; border-radius: 14px; }

/* フッターのマスコットは切り出し画像なので角を丸めて馴染ませる */
.footer-mascot {
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

/* プライバシー本文の各条は h2。セクション見出しより小さく、カード内見出しとして扱う */
.policy .card h2 {
  font-size: 1.1rem;
  margin: 0 0 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--green-900);
  letter-spacing: normal;
}