/* ==========================================================================
   Marty Drive - main.css
   デザイントークンは style.css の :root で定義（カラー/フォント/レイアウト）
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--md-color-bg);
  color: var(--md-color-text);
  font-family: var(--md-font-body);
  font-size: var(--md-fs-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--md-font-display); font-weight: 900; margin: 0; }

.screen-reader-text {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(1px,1px,1px,1px); white-space: nowrap;
}
.md-skip-link {
  position: absolute; left: -999px; top: 0; z-index: 9999;
  background: var(--md-color-accent); color: #fff; padding: .75em 1.5em;
}
.md-skip-link:focus { left: 0; }

.md-container {
  max-width: var(--md-container);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.md-btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: .5em;
  padding: .9em 2em;
  border-radius: var(--md-radius);
  font-family: var(--md-font-display);
  font-weight: 700;
  letter-spacing: .04em;
  border: 1px solid transparent;
  transition: all .2s ease;
  cursor: pointer;
  font-size: .95rem;
}
.md-btn--cta {
  background: var(--md-color-accent);
  color: #fff;
}
.md-btn--cta:hover { background: var(--md-color-accent-hover); }
.md-btn--outline {
  border-color: var(--md-color-text);
  color: var(--md-color-text);
  background: transparent;
}
.md-btn--outline:hover { border-color: var(--md-color-accent); color: var(--md-color-accent); }
.md-btn--text { color: var(--md-color-accent); padding: .9em 0.5em; }
.md-btn--lg { padding: 1.1em 3em; font-size: 1.1rem; }

/* ==========================================================================
   Header
   ========================================================================== */
.md-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,12,16,.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--md-color-border);
  height: var(--md-header-height);
}
.md-header__inner {
  max-width: var(--md-container);
  margin: 0 auto;
  height: 100%;
  padding: 0 1.25rem;
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem;
}
.md-header__logo-text, .md-header__logo-img { font-family: var(--md-font-display); font-weight: 900; font-size: 1.4rem; letter-spacing: .03em; }
.md-header__menu { display: flex; gap: 1.75rem; }
.md-header__menu a {
  font-family: var(--md-font-display); font-weight: 500; font-size: .9rem;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--md-color-text-muted);
}
.md-header__menu a:hover { color: var(--md-color-text); }
.md-header__actions { display: flex; align-items: center; gap: 1rem; }
.md-header__shop-btn { padding: .6em 1.6em; font-size: .85rem; }
.md-header__menu-toggle {
  display: none; background: none; border: 0; width: 32px; height: 22px;
  flex-direction: column; justify-content: space-between; cursor: pointer;
}
.md-header__menu-toggle span { display: block; height: 2px; background: var(--md-color-text); }

@media (max-width: 900px) {
  .md-header__nav {
    position: fixed; inset: var(--md-header-height) 0 0 0;
    background: var(--md-color-bg);
    transform: translateY(-110%);
    transition: transform .25s ease;
    padding: 2rem 1.25rem;
    overflow-y: auto;
  }
  .md-header__nav.is-open { transform: translateY(0); }
  .md-header__menu { flex-direction: column; gap: 1.25rem; }
  .md-header__menu-toggle { display: flex; }
}

/* ==========================================================================
   Breadcrumb
   ========================================================================== */
.md-breadcrumb-wrap { padding: 1rem 1.25rem 0; }
.md-breadcrumb ol { display: flex; flex-wrap: wrap; gap: .4em; font-size: .8rem; color: var(--md-color-text-muted); }
.md-breadcrumb li:not(:last-child)::after { content: '/'; margin-left: .4em; }
.md-breadcrumb a:hover { color: var(--md-color-accent); }

/* ==========================================================================
   Hero
   ========================================================================== */
.md-hero { position: relative; min-height: 82vh; display: flex; align-items: flex-end; overflow: hidden; }
.md-hero__bg { position: absolute; inset: 0; z-index: 0; }
.md-hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.md-hero__bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(11,12,16,.95) 0%, rgba(11,12,16,.25) 60%, rgba(11,12,16,.05) 100%);
}
.md-hero__content { position: relative; z-index: 1; padding-bottom: 4rem; max-width: 720px; }
.md-hero__catch { font-size: var(--md-fs-h1); line-height: 1.15; margin-bottom: 1rem; }
.md-hero__lead { color: var(--md-color-text-muted); margin-bottom: 1.5rem; }

/* ==========================================================================
   Sections / general
   ========================================================================== */
.md-section { padding: 4rem 0; }
.md-section__head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 2rem; }
.md-section__heading { font-size: var(--md-fs-h2); margin-bottom: 2rem; }
.md-section__head .md-section__heading { margin-bottom: 0; }
.md-section__more { font-size: .85rem; color: var(--md-color-accent); font-weight: 700; letter-spacing: .05em; }
.md-page-heading { font-size: var(--md-fs-h1); margin: 3rem 0 1.5rem; }
.md-content { color: var(--md-color-text-muted); }
.md-content h2, .md-content h3 { color: var(--md-color-text); margin: 2rem 0 1rem; }

/* Category */
.md-category__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1rem; }
.md-category__item {
  display: flex; flex-direction: column; align-items: center; gap: .75rem;
  background: var(--md-color-surface); border-radius: var(--md-radius); padding: 1rem;
  border: 1px solid var(--md-color-border);
  transition: border-color .2s ease;
}
.md-category__item:hover { border-color: var(--md-color-accent); }
.md-category__label { font-family: var(--md-font-display); font-weight: 700; font-size: .85rem; letter-spacing: .05em; }

/* Featured */
.md-featured__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.md-featured__item { display: block; position: relative; border-radius: var(--md-radius); overflow: hidden; }
.md-featured__title {
  position: absolute; left: 1rem; bottom: 1rem; z-index: 1;
  font-family: var(--md-font-display); font-weight: 700; font-size: 1.1rem;
}

/* Cards (Magazine / Event etc) */
.md-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.75rem; }
.md-card { display: block; background: var(--md-color-surface); border-radius: var(--md-radius); overflow: hidden; border: 1px solid var(--md-color-border); }
.md-card__image, .md-card__image--noimage { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: var(--md-color-bg-alt); }
.md-card__body { padding: 1.25rem; }
.md-card__date { font-size: .75rem; color: var(--md-color-text-muted); }
.md-card__title { font-size: 1rem; font-weight: 700; margin-top: .5rem; font-family: var(--md-font-display); }
.md-card__tags { margin-top: .75rem; display: flex; gap: .5em; flex-wrap: wrap; font-size: .75rem; color: var(--md-color-accent); }
.md-card__type { font-size: .7rem; letter-spacing: .08em; color: var(--md-color-accent); text-transform: uppercase; }

/* News list */
.md-news-list__item { border-bottom: 1px solid var(--md-color-border); }
.md-news-list__item a { display: flex; gap: 1rem; align-items: center; padding: 1rem 0; }
.md-news-list__date { font-size: .8rem; color: var(--md-color-text-muted); min-width: 6.5em; }
.md-news-list__cat { font-size: .7rem; padding: .2em .8em; border: 1px solid var(--md-color-accent); color: var(--md-color-accent); border-radius: 999px; }
.md-news-list__title { flex: 1; }

/* Instagram */
.md-instagram__grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: .5rem; }
.md-instagram__item img { aspect-ratio: 1/1; object-fit: cover; }

/* Dealer (home) */
.md-home-dealer__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.md-home-dealer__image img { border-radius: var(--md-radius); }

/* Dealer page */
.md-dealer-merits { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.md-dealer-merits__item img { width: 48px; height: 48px; margin-bottom: 1rem; }
.md-dealer-flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px,1fr)); gap: 1.5rem; counter-reset: step; }
.md-dealer-flow__step { color: var(--md-color-accent); font-family: var(--md-font-display); font-weight: 900; }
.md-dealer-cta { display: flex; gap: 1rem; flex-wrap: wrap; padding-top: 1rem; }

/* About */
.md-page-about__mv { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin: 3rem 0; }
.md-page-about__block { background: var(--md-color-surface); padding: 2rem; border-radius: var(--md-radius); }
.md-history-timeline li { display: flex; gap: 1.5rem; padding: 1rem 0; border-bottom: 1px solid var(--md-color-border); }
.md-history-timeline__date { min-width: 8em; color: var(--md-color-accent); font-weight: 700; }

/* Contact form */
.md-contact-form { max-width: 640px; display: flex; flex-direction: column; gap: 1.25rem; margin-top: 2rem; }
.md-form-row { display: flex; flex-direction: column; gap: .5rem; }
.md-form-row input, .md-form-row select, .md-form-row textarea {
  background: var(--md-color-surface); border: 1px solid var(--md-color-border);
  color: var(--md-color-text); padding: .8em 1em; border-radius: var(--md-radius);
  font-family: var(--md-font-body);
}
.md-notice { background: var(--md-color-surface); padding: 1rem 1.5rem; border-radius: var(--md-radius); border-left: 3px solid var(--md-color-accent); }

/* Event detail table */
.md-event-detail-table { margin: 1.5rem 0; border: 1px solid var(--md-color-border); border-radius: var(--md-radius); overflow: hidden; }
.md-event-detail-table__row { display: flex; padding: .9rem 1.5rem; border-bottom: 1px solid var(--md-color-border); }
.md-event-detail-table__row:last-child { border-bottom: 0; }
.md-event-detail-table__label { min-width: 8em; color: var(--md-color-text-muted); }

/* Archive toolbar / filters */
.md-archive-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 2rem; flex-wrap: wrap; gap: 1rem; }
.md-search-form { display: flex; }
.md-search-form input { background: var(--md-color-surface); border: 1px solid var(--md-color-border); color: var(--md-color-text); padding: .6em 1em; border-radius: var(--md-radius) 0 0 var(--md-radius); }
.md-search-form button { border: 1px solid var(--md-color-border); background: var(--md-color-accent); color: #fff; padding: .6em 1.2em; border-radius: 0 var(--md-radius) var(--md-radius) 0; cursor: pointer; }
.md-archive-filters { display: flex; gap: .5rem; flex-wrap: wrap; }
.md-archive-filters a { padding: .4em 1em; border: 1px solid var(--md-color-border); border-radius: 999px; font-size: .8rem; }
.md-archive-filters a.is-active, .md-archive-filters a:hover { border-color: var(--md-color-accent); color: var(--md-color-accent); }

.md-pagination { margin-top: 3rem; display: flex; justify-content: center; gap: .5rem; }
.md-pagination .page-numbers { padding: .5em 1em; border: 1px solid var(--md-color-border); border-radius: var(--md-radius); }
.md-pagination .page-numbers.current { background: var(--md-color-accent); border-color: var(--md-color-accent); }

/* FAQ */
.md-faq-item { border-bottom: 1px solid var(--md-color-border); padding: 1rem 0; }
.md-faq-item summary { cursor: pointer; font-weight: 700; }
.md-faq-answer { color: var(--md-color-text-muted); margin-top: .75rem; }

/* Shop landing */
.md-page-shop__cta { text-align: center; padding: 3rem 0; }
.md-page-shop__note { color: var(--md-color-text-muted); margin-top: 1rem; font-size: .85rem; }

/* ==========================================================================
   Footer
   ========================================================================== */
.md-footer { background: var(--md-color-bg-alt); border-top: 1px solid var(--md-color-border); margin-top: 5rem; }
.md-footer__inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; padding: 4rem 1.25rem 3rem; }
.md-footer__logo-text { font-family: var(--md-font-display); font-weight: 900; font-size: 1.3rem; }
.md-footer__tagline { color: var(--md-color-text-muted); font-size: .85rem; margin-top: 1rem; }
.md-footer__heading { font-size: .8rem; letter-spacing: .1em; margin-bottom: 1.25rem; color: var(--md-color-text-muted); }
.md-footer__col ul li { margin-bottom: .75rem; font-size: .85rem; }
.md-footer__col a:hover { color: var(--md-color-accent); }
.md-footer__bottom { padding: 1.5rem 1.25rem; border-top: 1px solid var(--md-color-border); font-size: .75rem; color: var(--md-color-text-muted); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 960px) {
  .md-category__grid { grid-template-columns: repeat(3, 1fr); }
  .md-featured__grid, .md-card-grid { grid-template-columns: repeat(2, 1fr); }
  .md-instagram__grid { grid-template-columns: repeat(3, 1fr); }
  .md-home-dealer__inner, .md-page-about__mv { grid-template-columns: 1fr; }
  .md-dealer-merits { grid-template-columns: 1fr; }
  .md-footer__inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .md-category__grid, .md-featured__grid, .md-card-grid { grid-template-columns: 1fr 1fr; }
  .md-instagram__grid { grid-template-columns: repeat(2, 1fr); }
  .md-footer__inner { grid-template-columns: 1fr; }
}