/* ================================================
   dumppp Legal Pages — legal.css
   Terms of Service / Privacy Policy共通スタイル
   BEM + CSS Custom Properties, main.css design tokens共有
   ================================================ */

/* --- Design Tokens (main.css と共有) --- */
:root {
  --color-accent: #E16259;
  --color-accent-hover: #c94e46;
  --color-bg: #ffffff;
  --color-surface: #f9fafb;
  --color-text: #0f172a;
  --color-text-secondary: #6b7280;
  --color-text-muted: #9ca3af;
  --color-border: #e5e7eb;
  --color-border-light: #f3f4f6;
  --color-header-bg: rgba(255,255,255,.8);
  --color-selection-bg: #E16259;
  --color-selection-text: #ffffff;
  --color-strong: #1e293b;
  --font-family: 'Inter', sans-serif;
  --max-width: 1280px;
  --header-height: 80px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #050505;
    --color-surface: #121212;
    --color-text: #f1f5f9;
    --color-text-secondary: #9ca3af;
    --color-text-muted: #6b7280;
    --color-border: #1f2937;
    --color-border-light: rgba(31,41,55,.5);
    --color-header-bg: rgba(5,5,5,.8);
    --color-strong: #e2e8f0;
  }
}

/* --- FOUC Prevention --- */
html { visibility: hidden; }
html.fonts-loaded { visibility: visible; }

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection { background: var(--color-selection-bg); color: var(--color-selection-text); }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; cursor: pointer; }
button { cursor: pointer; }

/* --- Animation --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ========== Layout ========== */
.legal-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ========== Header ========== */
.legal-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 40;
  background: var(--color-header-bg);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(229,231,235,.5);
}
@media (prefers-color-scheme: dark) {
  .legal-header { border-bottom-color: rgba(31,41,55,.5); }
}

.legal-header__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
@media (min-width: 1024px) {
  .legal-header__container { padding: 0 2rem; }
}

.legal-header__logo {
  display: flex; align-items: center;
  transition: opacity .2s;
}
.legal-header__logo:hover { opacity: .8; }
.legal-header__logo-img { height: 32px; width: auto; }

.legal-header__nav {
  display: flex; align-items: center; gap: 1rem;
}

/* ========== Language Switcher ========== */
.lang-switcher { position: relative; display: flex; align-items: center; }
.lang-switcher__trigger {
  display: flex; align-items: center; gap: .25rem;
  background: none; border: none; padding: .375rem .5rem;
  font-size: .875rem; font-weight: 600;
  color: var(--color-text-secondary); border-radius: .5rem;
  transition: color .2s, background .2s; font-family: inherit;
}
.lang-switcher__trigger:hover { color: var(--color-accent); background: var(--color-surface); }
@media (prefers-color-scheme: dark) {
  .lang-switcher__trigger { color: #d1d5db; }
  .lang-switcher__trigger:hover { background: rgba(255,255,255,.05); }
}
.lang-switcher__current { font-size: .8125rem; }
.lang-switcher__arrow { font-size: 1.125rem; transition: transform .2s; }
.lang-switcher__trigger[aria-expanded="true"] .lang-switcher__arrow { transform: rotate(180deg); }
.lang-switcher__dropdown {
  position: absolute; top: calc(100% + .5rem); right: 0;
  min-width: 160px; max-height: 320px; overflow-y: auto;
  background: var(--color-bg); border: 1px solid var(--color-border);
  border-radius: .75rem; box-shadow: 0 10px 25px rgba(0,0,0,.1);
  z-index: 50; padding: .375rem;
  animation: fadeIn .15s ease-out;
}
@media (prefers-color-scheme: dark) {
  .lang-switcher__dropdown {
    background: var(--color-surface); border-color: var(--color-border);
    box-shadow: 0 10px 25px rgba(0,0,0,.4);
  }
}
.lang-switcher__dropdown--hidden { display: none; }
.lang-switcher__item {
  display: flex; align-items: center; gap: .5rem;
  padding: .5rem .75rem; border-radius: .5rem;
  font-size: .875rem; color: var(--color-text);
  transition: background .15s; white-space: nowrap;
}
.lang-switcher__item:hover { background: var(--color-surface); }
@media (prefers-color-scheme: dark) {
  .lang-switcher__item:hover { background: rgba(255,255,255,.05); }
}
.lang-switcher__item--active { color: var(--color-accent); font-weight: 600; }
.lang-switcher__check { font-size: 1rem; color: var(--color-accent); }

/* ========== Main Content ========== */
.legal-main {
  flex-grow: 1;
  padding: calc(var(--header-height) + 3rem) 0 6rem;
}

.legal-main__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) {
  .legal-main__container { padding: 0 2rem; }
}

.legal-main__content {
  max-width: 48rem;
  margin: 0 auto;
}

/* ========== Breadcrumb ========== */
.legal-breadcrumb {
  display: flex; align-items: center; gap: .5rem;
  margin-bottom: 2rem; font-size: .875rem;
  color: var(--color-text-muted);
}
.legal-breadcrumb a {
  color: var(--color-text-secondary); transition: color .2s;
}
.legal-breadcrumb a:hover { color: var(--color-accent); }
.legal-breadcrumb span {
  color: var(--color-text); font-weight: 600;
}

/* ========== Typography ========== */
.legal-heading {
  font-size: 2.25rem;
  font-weight: 900;
  margin-bottom: 1rem;
  color: var(--color-text);
}
@media (min-width: 768px) {
  .legal-heading { font-size: 3rem; }
}

.legal-date {
  color: var(--color-text-muted);
  margin-bottom: 3rem;
}

.legal-sections {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.legal-section__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.legal-section__text {
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.legal-section__text + .legal-section__text {
  margin-top: 1rem;
}

.legal-section__text strong {
  color: var(--color-strong);
}

.legal-section__list {
  list-style: disc;
  padding-left: 1.5rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.legal-section__list li {
  padding: .25rem 0;
}

.legal-section__list + .legal-section__text,
.legal-section__text + .legal-section__list {
  margin-top: 1rem;
}

.legal-section__list li strong {
  color: var(--color-strong);
}

/* Links */
.legal-section__text a,
.legal-section__list a {
  color: var(--color-accent);
  transition: opacity .2s;
}
.legal-section__text a:hover,
.legal-section__list a:hover {
  text-decoration: underline;
}

/* Contact email */
.legal-contact {
  margin-top: 1rem;
}
.legal-contact__link {
  color: var(--color-accent);
  font-weight: 500;
}
.legal-contact__link:hover {
  text-decoration: underline;
}

/* ========== Footer ========== */
.legal-footer {
  padding: 4rem 0 calc(4rem + env(safe-area-inset-bottom, 0px));
  background: var(--color-bg);
  border-top: 1px solid var(--color-border-light);
}
@media (prefers-color-scheme: dark) {
  .legal-footer { background: #050505; border-top-color: #111827; }
}

.legal-footer__container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}
@media (min-width: 1024px) {
  .legal-footer__container { padding: 0 2rem; }
}

.legal-footer__inner {
  display: flex; flex-direction: column-reverse; gap: 2rem; align-items: center;
}
@media (min-width: 768px) {
  .legal-footer__inner { flex-direction: row; justify-content: space-between; }
}

.legal-footer__brand {
  display: flex; align-items: center; gap: .5rem;
}
.legal-footer__logo {
  display: flex; align-items: center; gap: .375rem;
  font-size: .875rem; color: var(--color-text-muted);
}
.legal-footer__logo-img { height: 32px; width: auto; }

.legal-footer__links {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; justify-content: center;
}
@media (min-width: 1024px) { .legal-footer__links { gap: 1.5rem; } }

.legal-footer__link {
  font-size: .875rem; font-weight: 500; color: var(--color-text-secondary);
  transition: color .2s;
}
.legal-footer__link:hover { color: var(--color-accent); }

.legal-footer__social {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-surface); color: #4b5563;
  transition: background .2s, color .2s;
}
@media (prefers-color-scheme: dark) {
  .legal-footer__social { background: #111827; color: #9ca3af; }
  .legal-footer__social:hover { background: #1f2937; }
}
.legal-footer__social:hover { background: #f3f4f6; }
.legal-footer__social-svg { width: 20px; height: 20px; }

/* Mobile: separate nav links and social icons into rows */
@media (max-width: 767px) {
  .legal-footer__link { order: 0; }
  .legal-footer__social { order: 2; }
  .legal-footer__links::after {
    content: '';
    flex-basis: 100%;
    height: 0;
    order: 1;
  }
}

/* ========== Language Suggestion Banner ========== */
.lang-banner {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  background: var(--color-accent); color: #fff;
  padding: .625rem 0;
}
.lang-banner--hidden { display: none; }
.lang-banner__container {
  max-width: var(--max-width); margin: 0 auto; padding: 0 1.5rem;
  display: flex; align-items: center; justify-content: center;
  gap: .75rem; flex-wrap: wrap;
}
.lang-banner__text { font-size: .875rem; font-weight: 500; margin: 0; }
.lang-banner__yes {
  display: inline-block; padding: .25rem .875rem;
  font-size: .8125rem; font-weight: 600;
  border: 1.5px solid rgba(255,255,255,.7); border-radius: 9999px;
  color: #fff; background: transparent; transition: background .15s;
}
.lang-banner__yes:hover { background: rgba(255,255,255,.15); }
.lang-banner__no {
  background: none; border: none; color: rgba(255,255,255,.7);
  font-size: .8125rem; font-weight: 500; cursor: pointer;
  padding: .25rem .5rem; transition: color .15s; font-family: inherit;
}
.lang-banner__no:hover { color: #fff; }

/* Push header down when banner is visible */
.lang-banner:not(.lang-banner--hidden) ~ .legal-header { top: 38px; }

/* --- Material Symbols baseline fix --- */
.material-symbols-outlined { vertical-align: middle; user-select: none; }