/* ============================================================
   Potas LP — Clean Blue System with a Soft Pink Accent
   brand/guideline.md v1.0 準拠
   配色比率: White/Light Blue 65% / Navy·Text 20% /
             Potas Blue 10% / Signal Cyan 3% / Dusty Pink 2%
   ============================================================ */

:root {
  --color-potas-blue: #1E63B6;
  --color-potas-blue-dark: #174F94;
  --color-potas-navy: #071B33;

  --color-air-blue: #EAF4FF;
  --color-ice-blue: #F5FAFF;
  --color-cool-gray: #F3F6F9;
  --color-line-gray: #D8E1EA;

  --color-ink: #102033;
  --color-slate: #627386;

  --color-signal-cyan: #14B8D4;
  --color-dusty-pink: #E8C7D3;

  --font-body: "Inter", "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;

  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 12px rgba(7, 27, 51, 0.05);
  --shadow-card-hover: 0 6px 24px rgba(7, 27, 51, 0.10);
  --container: 1080px;
}

/* ---------- Reset & Base ---------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 124px; /* モバイルはヘッダー2段分 */
}

@media (min-width: 760px) {
  html { scroll-padding-top: 84px; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-ink);
  background: #FFFFFF;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}

img, svg { max-width: 100%; }

h1, h2, h3 { line-height: 1.5; margin: 0 0 0.6em; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0; padding: 0; }

a { color: var(--color-potas-blue); }

.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: 20px;
}

.pc-only { display: none; }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 700;
  text-decoration: none;
  text-align: center;
  border-radius: var(--radius-pill);
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.btn-primary {
  background: var(--color-potas-blue);
  color: #FFFFFF;
  padding: 12px 28px;
  font-size: 15px;
  box-shadow: 0 3px 10px rgba(30, 99, 182, 0.25);
}

.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-potas-blue-dark);
  box-shadow: 0 5px 16px rgba(30, 99, 182, 0.32);
  transform: translateY(-1px);
}

.btn-lg {
  padding: 16px 40px;
  font-size: 17px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line-gray);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 16px;
  padding-block: 10px 0;
  min-height: 64px;
}

@media (min-width: 760px) {
  .header-inner {
    flex-wrap: nowrap;
    padding-block: 0;
    height: 64px;
  }
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-potas-navy);
  margin-right: auto;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-potas-blue);
  color: #FFFFFF;
  font-weight: 700;
  font-size: 18px;
}

.brand-name {
  font-weight: 900;
  font-size: 18px;
  letter-spacing: 0.02em;
}

.brand-name small {
  font-weight: 600;
  font-size: 12px;
  color: var(--color-slate);
  margin-left: 4px;
  letter-spacing: 0.08em;
}

/* モバイル: ブランド+CTAの下に横並びナビ(2段目) */
.global-nav {
  display: flex;
  order: 3;
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 2px;
  padding-block: 4px 8px;
  scrollbar-width: none;
}

.global-nav::-webkit-scrollbar { display: none; }

@media (min-width: 760px) {
  .global-nav {
    order: 0;
    width: auto;
    overflow: visible;
    padding-block: 0;
    gap: 4px;
  }
}

.global-nav a {
  color: var(--color-ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

@media (min-width: 760px) {
  .global-nav a { font-size: 14px; padding: 8px 12px; }
}

.global-nav a:hover {
  color: var(--color-potas-blue);
  background: var(--color-ice-blue);
}

/* 現在ページ */
.global-nav a.current {
  color: var(--color-potas-blue);
  font-weight: 700;
  background: var(--color-air-blue);
}

.btn-header {
  padding: 9px 20px;
  font-size: 13px;
  white-space: nowrap;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(600px 320px at 88% 12%, rgba(20, 184, 212, 0.07), transparent 70%),
    radial-gradient(420px 260px at 8% 92%, rgba(232, 199, 211, 0.30), transparent 70%),
    linear-gradient(180deg, #FFFFFF 0%, var(--color-air-blue) 100%);
}

.hero-inner {
  padding-block: 72px 88px;
  text-align: center;
}

.hero-area {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-potas-blue);
  background: #FFFFFF;
  border: 1px solid var(--color-line-gray);
  border-radius: var(--radius-pill);
  padding: 6px 16px;
  margin-bottom: 28px;
}

.hero-area .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-signal-cyan);
  flex-shrink: 0;
}

.hero-copy {
  font-size: clamp(30px, 6.4vw, 52px);
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--color-potas-navy);
  margin-bottom: 24px;
}

.hero-lead {
  font-size: clamp(15px, 2.6vw, 17px);
  color: var(--color-ink);
  max-width: 40em;
  margin-inline: auto;
  margin-bottom: 36px;
}

.hero-lead em.marker {
  font-style: normal;
  font-weight: 700;
  background: linear-gradient(transparent 62%, var(--color-dusty-pink) 62%);
  padding-inline: 1px;
}

.hero-cta-note {
  font-size: 13px;
  color: var(--color-slate);
  margin-top: 14px;
}

/* ---------- Sections ---------- */

.section {
  padding-block: 72px;
}

.section-tint {
  background: var(--color-ice-blue);
}

.eyebrow {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-potas-blue);
  margin-bottom: 8px;
  text-align: center;
}

.section-title {
  font-size: clamp(24px, 4.4vw, 32px);
  font-weight: 900;
  color: var(--color-potas-navy);
  text-align: center;
  margin-bottom: 20px;
}

.section-lead {
  text-align: center;
  color: var(--color-ink);
  max-width: 42em;
  margin: 0 auto 44px;
}

.section-closing {
  text-align: center;
  margin-top: 44px;
  font-weight: 500;
  color: var(--color-potas-navy);
}

/* ---------- Cards & Grids ---------- */

.grid {
  display: grid;
  gap: 20px;
}

.card {
  background: #FFFFFF;
  border: 1px solid var(--color-line-gray);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

/* ---------- Problems ---------- */

#problems .grid { margin-top: 40px; }

.problem-card {
  padding: 24px;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.problem-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.problem-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-potas-blue);
  background: var(--color-air-blue);
  border-radius: var(--radius-pill);
  padding: 3px 12px;
  margin-bottom: 12px;
}

.problem-card p:last-child {
  font-size: 15px;
}

/* ---------- Services ---------- */

.service-grid { margin-top: 40px; }

.service-card {
  display: flex;
  flex-direction: column;
}

.service-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--color-air-blue);
  color: var(--color-signal-cyan);
  margin-bottom: 18px;
}

.service-icon svg { width: 26px; height: 26px; }

/* 家庭向け=人・支援・伴走の文脈にのみ Dusty Pink を小さく使用 */
.service-icon-home {
  background: #FBF3F6;
  color: #C48CA1;
}

.service-card h3,
.service-card .service-h {
  font-size: 19px;
  color: var(--color-potas-navy);
  margin-bottom: 4px;
}

.service-target {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-slate);
  margin-bottom: 14px;
}

.service-card > p:not(.service-target) {
  font-size: 14.5px;
  margin-bottom: 18px;
}

.service-list {
  list-style: none;
  margin-top: auto;
  border-top: 1px solid var(--color-line-gray);
  padding-top: 16px;
  display: grid;
  gap: 8px;
}

.service-list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  color: var(--color-ink);
  line-height: 1.7;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--color-potas-blue);
  opacity: 0.85;
}

/* ---------- Flow ---------- */

.flow-steps {
  list-style: none;
  max-width: 720px;
  margin: 48px auto 0;
  display: grid;
  gap: 0;
}

.flow-step {
  position: relative;
  display: flex;
  gap: 20px;
  padding-bottom: 40px;
}

.flow-step:last-child { padding-bottom: 0; }

/* 縦のつなぎ線 */
.flow-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: var(--color-line-gray);
}

.flow-num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-potas-blue);
  color: #FFFFFF;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 19px;
  box-shadow: 0 2px 8px rgba(30, 99, 182, 0.25);
}

/* 無料相談=相談しやすさの文脈に Dusty Pink をワンポイント */
.flow-num-pink {
  background: #FFFFFF;
  color: var(--color-potas-blue);
  border: 2px solid var(--color-dusty-pink);
  box-shadow: none;
}

.flow-body h3 {
  font-size: 18px;
  color: var(--color-potas-navy);
  margin-bottom: 6px;
  padding-top: 8px;
}

.flow-body p {
  font-size: 14.5px;
  color: var(--color-ink);
}

/* ---------- Pricing ---------- */

.price-group { margin-bottom: 36px; }

.price-group-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-potas-navy);
  border-left: 4px solid var(--color-potas-blue);
  padding-left: 12px;
  margin-bottom: 16px;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--color-line-gray);
  border-radius: var(--radius-card);
  background: #FFFFFF;
  box-shadow: var(--shadow-card);
}

.price-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.price-table th,
.price-table td {
  text-align: left;
  padding: 14px 18px;
  border-bottom: 1px solid var(--color-line-gray);
  line-height: 1.7;
}

.price-table thead th {
  background: var(--color-air-blue);
  color: var(--color-potas-navy);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.price-table tbody tr:last-child td { border-bottom: none; }

.price-table .price-col {
  white-space: nowrap;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-weight: 600;
  color: var(--color-potas-blue);
}

.price-highlight td {
  background: var(--color-ice-blue);
}

.price-note {
  padding: 22px 26px;
  font-size: 14px;
  color: var(--color-ink);
  background: #FFFFFF;
}

/* ---------- Safety ---------- */

.safety-list {
  list-style: none;
  display: grid;
  gap: 16px;
  max-width: 720px;
  margin: 40px auto 0;
}

.safety-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
}

.safety-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  color: var(--color-potas-blue);
  margin-top: 4px;
}

.safety-item p {
  font-size: 14.5px;
}

/* ---------- About ---------- */

.about-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 800px;
  margin: 40px auto 0;
  padding: 32px;
}

.about-avatar {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--color-potas-blue), #2E79CF);
  color: #FFFFFF;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 36px;
}

.about-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-potas-navy);
  margin-bottom: 2px;
}

.about-role {
  font-size: 13px;
  color: var(--color-slate);
  margin-bottom: 16px;
}

.about-body p:not(.about-name):not(.about-role) {
  font-size: 14.5px;
}

.about-local {
  border-top: 1px solid var(--color-line-gray);
  padding-top: 16px;
}

/* ---------- FAQ ---------- */

.faq-container { max-width: 760px; }

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-line-gray);
  border-radius: 12px;
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item:first-of-type { margin-top: 40px; }

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 48px 18px 22px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-potas-navy);
  position: relative;
  transition: background-color 0.2s ease;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary:hover { background: var(--color-ice-blue); }

.faq-item summary::after {
  content: "";
  position: absolute;
  right: 20px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-potas-blue);
  border-bottom: 2px solid var(--color-potas-blue);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 0.25s ease;
}

.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(225deg);
}

.faq-item p {
  padding: 0 22px 20px;
  font-size: 14.5px;
  color: var(--color-ink);
}

/* ---------- Contact ---------- */

.section-contact {
  background:
    radial-gradient(500px 300px at 92% 8%, rgba(20, 184, 212, 0.12), transparent 70%),
    var(--color-potas-navy);
}

.contact-container { max-width: 640px; }

.eyebrow-light { color: var(--color-signal-cyan); }
.section-title-light { color: #FFFFFF; }
.section-lead-light { color: rgba(255, 255, 255, 0.85); }

.contact-form {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  padding: 32px 24px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.form-row { margin-bottom: 20px; }

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-potas-navy);
  margin-bottom: 6px;
}

.req, .opt {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  border-radius: 4px;
  padding: 1px 8px;
  margin-left: 6px;
  vertical-align: 1px;
}

.req { background: var(--color-potas-blue); color: #FFFFFF; }
.opt { background: var(--color-cool-gray); color: var(--color-slate); }

.form-row input,
.form-row textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--color-ink);
  background: var(--color-ice-blue);
  border: 1px solid var(--color-line-gray);
  border-radius: 10px;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  background: #FFFFFF;
  border-color: var(--color-potas-blue);
  box-shadow: 0 0 0 3px rgba(30, 99, 182, 0.15);
}

.form-row input::placeholder,
.form-row textarea::placeholder {
  color: #9AA9B8;
  font-size: 14px;
}

.form-row textarea { resize: vertical; }

/* honeypot: 人間には見えない */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 1.4em;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 12px;
}

.form-status.is-error { color: #C0392B; }

.btn-submit {
  display: block;
  width: 100%;
}

.form-note {
  font-size: 12px;
  color: var(--color-slate);
  text-align: center;
  margin-top: 14px;
}

.form-success {
  background: #FFFFFF;
  border-radius: var(--radius-card);
  border-top: 4px solid var(--color-signal-cyan);
  padding: 48px 28px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.form-success svg {
  width: 52px;
  height: 52px;
  color: var(--color-signal-cyan);
  margin-bottom: 16px;
}

.form-success h2,
.form-success h3 {
  font-size: 20px;
  color: var(--color-potas-navy);
  margin-bottom: 10px;
}

.form-success p {
  font-size: 14.5px;
  color: var(--color-ink);
}

/* ---------- Footer ---------- */

.site-footer {
  background: var(--color-potas-navy);
  color: rgba(255, 255, 255, 0.85);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding-block: 48px 32px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 8px;
}

.footer-logo small {
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  margin-left: 6px;
  letter-spacing: 0.08em;
}

.footer-tagline {
  font-size: 14px;
  margin-bottom: 4px;
}

.footer-area {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
}

.footer-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-size: 13px;
  padding-block: 4px;
}

.footer-nav a:hover { color: #FFFFFF; text-decoration: underline; }

.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: 20px;
}

.footer-copy p {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
}

/* ---------- Page hero(下層ページ共通) ---------- */

.page-hero {
  background:
    radial-gradient(420px 240px at 90% 10%, rgba(20, 184, 212, 0.06), transparent 70%),
    linear-gradient(180deg, #FFFFFF 0%, var(--color-air-blue) 100%);
  border-bottom: 1px solid var(--color-line-gray);
}

.page-hero .container {
  padding-block: 48px 56px;
  text-align: center;
}

.page-title {
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 900;
  color: var(--color-potas-navy);
  margin-bottom: 16px;
}

.page-lead {
  font-size: 15px;
  color: var(--color-ink);
  max-width: 44em;
  margin-inline: auto;
}

/* ---------- もっと見るリンク ---------- */

.section-more {
  text-align: center;
  margin-top: 36px;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  color: var(--color-potas-blue);
  text-decoration: none;
  border: 1px solid var(--color-potas-blue);
  border-radius: var(--radius-pill);
  padding: 12px 32px;
  background: #FFFFFF;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.link-more::after {
  content: "→";
  font-family: "Inter", sans-serif;
}

.link-more:hover {
  background: var(--color-potas-blue);
  color: #FFFFFF;
}

/* ---------- CTAバンド ---------- */

.cta-band {
  background:
    radial-gradient(500px 300px at 92% 8%, rgba(20, 184, 212, 0.12), transparent 70%),
    var(--color-potas-navy);
}

.cta-band-inner {
  padding-block: 72px;
  text-align: center;
}

.cta-band-title {
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 900;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.cta-band-lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  margin-bottom: 32px;
}

/* ---------- 運営者情報(company.html) ---------- */

.company-card {
  max-width: 800px;
  margin: 40px auto 0;
  padding: 8px 28px;
}

.company-table { margin: 0; }

.company-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding-block: 16px;
  border-bottom: 1px solid var(--color-line-gray);
}

.company-row:last-child { border-bottom: none; }

.company-row dt {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-slate);
}

.company-row dd {
  margin: 0;
  font-size: 15px;
  color: var(--color-ink);
}

.company-note {
  display: block;
  font-size: 12.5px;
  color: var(--color-slate);
  margin-top: 2px;
}

@media (min-width: 640px) {
  .company-row {
    grid-template-columns: 140px 1fr;
    gap: 16px;
    padding-block: 18px;
  }
  .company-row dt { padding-top: 2px; }
}

/* ---------- 相談の流れ(contact.html) ---------- */

.contact-steps-section { padding-block: 40px 48px; }

.contact-steps {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 640px;
  margin-inline: auto;
}

.contact-steps li {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--color-ice-blue);
  border: 1px solid var(--color-line-gray);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--color-ink);
}

.contact-step-num {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--color-potas-blue);
  color: #FFFFFF;
  font-family: "Inter", sans-serif;
  font-weight: 700;
  font-size: 14px;
}

@media (min-width: 760px) {
  .contact-steps { flex-direction: row; }
  .contact-steps li { flex: 1; }
}

.form-success-back { margin-top: 20px; font-size: 14px; }

/* ---------- 本文ページ(privacy.html) ---------- */

.prose {
  max-width: 720px;
}

.prose h2 {
  font-size: 19px;
  font-weight: 700;
  color: var(--color-potas-navy);
  border-left: 4px solid var(--color-potas-blue);
  padding-left: 12px;
  margin: 40px 0 14px;
}

.prose h2:first-child { margin-top: 0; }

.prose p, .prose li {
  font-size: 14.5px;
  color: var(--color-ink);
}

.prose ul {
  list-style: none;
  margin: 0 0 1em;
  display: grid;
  gap: 6px;
}

.prose ul li {
  position: relative;
  padding-left: 20px;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--color-potas-blue);
  opacity: 0.85;
}

.prose-date {
  margin-top: 40px;
  font-size: 13px;
  color: var(--color-slate);
}

/* ---------- 404 ---------- */

.notfound-inner { text-align: center; }

.notfound-code {
  font-family: "Inter", sans-serif;
  font-size: 72px;
  font-weight: 700;
  color: var(--color-potas-blue);
  line-height: 1;
  margin-bottom: 16px;
}

.notfound-action { margin-top: 8px; }

/* ---------- Responsive (tablet & up) ---------- */

@media (min-width: 760px) {
  .pc-only { display: inline; }

  .global-nav { display: flex; gap: 4px; }

  .hero-inner { padding-block: 100px 116px; }

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

  #problems .grid-3 { grid-template-columns: repeat(2, 1fr); }

  .about-card {
    flex-direction: row;
    align-items: flex-start;
    padding: 40px;
  }

  .contact-form { padding: 40px; }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .footer-nav { max-width: 320px; justify-content: flex-end; }
}

@media (min-width: 1000px) {
  #problems .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Motion preferences ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}