/* =========================================================
   Site Craft Media Theme v1 - main.css
   Trust UI / Mobile-first / CWV friendly (no heavy effects)
   ========================================================= */

/* ----- Design tokens (fallback) ----- */
:root {
  --sc-font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans JP",
                  "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", sans-serif;

  --sc-ink: #0f172a;
  --sc-sub: #334155;
  --sc-muted: #64748b;
  --sc-line: #e2e8f0;
  --sc-bg: #ffffff;
  --sc-surface: #f8fafc;

  --sc-accent: #1e3a8a;
  --sc-accent-2: #2563eb;

  --sc-radius: 16px;
  --sc-radius-sm: 12px;

  --sc-shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --sc-shadow-md: 0 10px 28px rgba(15, 23, 42, 0.08);

  --sc-container: 1100px;
  --sc-content: 720px;

  --sc-gap-1: 0.25rem;
  --sc-gap-2: 0.5rem;
  --sc-gap-3: 0.75rem;
  --sc-gap-4: 1rem;
  --sc-gap-5: 1.25rem;
  --sc-gap-6: 1.5rem;
  --sc-gap-8: 2rem;
  --sc-gap-10: 2.5rem;
  --sc-gap-12: 3rem;
}

/* ----- Base ----- */
body.scmt {
  font-family: var(--sc-font-sans);
  color: var(--sc-ink);
  background: var(--sc-bg);
}

.sc-container {
  width: 100%;
  max-width: var(--sc-container);
  margin: 0 auto;
  padding-left: var(--sc-gap-4);
  padding-right: var(--sc-gap-4);
}

.sc-main {
  padding-top: var(--sc-gap-6);
  padding-bottom: var(--sc-gap-12);
}

/* Skip link (visible when focused) */
.sc-skip-link:focus {
  position: fixed !important;
  left: 12px;
  top: 12px;
  z-index: 9999;
  padding: 10px 12px;
  background: #fff;
  border: 1px solid var(--sc-line);
  border-radius: 12px;
  box-shadow: var(--sc-shadow-sm);
}

/* ----- Header ----- */
.sc-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--sc-line);
}

.sc-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sc-gap-4);
  padding-top: var(--sc-gap-3);
  padding-bottom: var(--sc-gap-3);
}

.sc-brand__link {
  display: inline-flex;
  align-items: center;
  gap: var(--sc-gap-3);
  text-decoration: none;
}

.sc-brand__name {
  font-weight: 900;
  letter-spacing: 0.01em;
  font-size: 1.05rem;
  color: var(--sc-ink);
  line-height: 1.2;
}

.sc-brand__desc {
  display: none;
  font-size: 0.85rem;
  color: var(--sc-muted);
}

.sc-brand__logo img {
  width: auto;
  height: 36px;
  max-width: 220px;
}

/* Right side */
.sc-header__right {
  display: flex;
  align-items: center;
  gap: var(--sc-gap-4);
}

/* Nav */
.sc-nav__list {
  display: none; /* mobile: hidden */
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--sc-gap-2);
}

.sc-nav__list > li {
  margin: 0;
  padding: 0;
}

.sc-nav__list a {
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--sc-sub);
  font-weight: 700;
  font-size: 0.92rem;
}

.sc-nav__list a:hover {
  background: var(--sc-surface);
  color: var(--sc-ink);
}

/* Search */
.sc-search {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--sc-gap-2);
  align-items: center;
}

.sc-search__input {
  width: min(56vw, 360px);
  max-width: 360px;
  padding: 10px 12px;
  border: 1px solid var(--sc-line);
  border-radius: 999px;
  background: #fff;
  color: var(--sc-ink);
  font-size: 0.95rem;
  box-shadow: var(--sc-shadow-sm);
}

.sc-search__input::placeholder {
  color: #94a3b8;
}

.sc-search__btn {
  padding: 10px 14px;
  border: 1px solid var(--sc-line);
  border-radius: 999px;
  background: var(--sc-accent);
  color: #fff;
  font-weight: 800;
  font-size: 0.92rem;
  cursor: pointer;
  box-shadow: var(--sc-shadow-sm);
}

.sc-search__btn:hover {
  filter: brightness(1.03);
}

/* Desktop header */
@media (min-width: 900px) {
  .sc-brand__desc { display: inline; }
  .sc-nav__list { display: inline-flex; }
  .sc-search__input { width: 320px; }
}

/* ----- Footer ----- */
.sc-footer {
  border-top: 1px solid var(--sc-line);
  background: linear-gradient(to bottom, #ffffff, #f8fafc);
}

.sc-footer__top {
  display: grid;
  gap: var(--sc-gap-8);
  padding-top: var(--sc-gap-10);
  padding-bottom: var(--sc-gap-10);
}

.sc-footer__brandLink {
  text-decoration: none;
}

.sc-footer__siteName {
  font-weight: 900;
  font-size: 1.05rem;
  color: var(--sc-ink);
}

.sc-footer__desc {
  margin: 0.6rem 0 0;
  color: var(--sc-muted);
  font-size: 0.95rem;
}

.sc-footer__note {
  margin: 0.9rem 0 0;
  color: var(--sc-muted);
  font-size: 0.85rem;
  line-height: 1.7;
}

.sc-footer__links {
  display: grid;
  gap: var(--sc-gap-6);
}

.sc-footer__title {
  margin: 0 0 var(--sc-gap-2);
  font-size: 0.95rem;
  font-weight: 900;
  color: var(--sc-ink);
}

.sc-footer__list,
.sc-footer__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.sc-footer__list a,
.sc-footer__menu a {
  text-decoration: none;
  color: var(--sc-sub);
  font-weight: 700;
}

.sc-footer__list a:hover,
.sc-footer__menu a:hover {
  color: var(--sc-accent-2);
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.sc-footer__bottom {
  border-top: 1px solid var(--sc-line);
  background: #fff;
}

.sc-footer__bottomInner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sc-gap-4);
  padding-top: var(--sc-gap-4);
  padding-bottom: var(--sc-gap-4);
}

.sc-footer__copy {
  color: var(--sc-muted);
}

.sc-footer__toTop {
  text-decoration: none;
  font-weight: 800;
  color: var(--sc-sub);
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--sc-line);
  background: var(--sc-surface);
}

.sc-footer__toTop:hover {
  color: var(--sc-ink);
}

/* Desktop footer grid */
@media (min-width: 900px) {
  .sc-footer__top {
    grid-template-columns: 1fr 2fr;
    align-items: start;
  }
  .sc-footer__links {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ----- Content typography defaults ----- */
.sc-prose {
  max-width: var(--sc-content);
  margin: 0 auto;
}

.sc-prose h1,
.sc-prose h2,
.sc-prose h3,
.sc-prose h4 {
  line-height: 1.35;
  color: var(--sc-ink);
  margin-top: 1.8em;
  margin-bottom: 0.6em;
  font-weight: 900;
  letter-spacing: 0.01em;
}

.sc-prose h1 { font-size: 1.75rem; }
.sc-prose h2 { font-size: 1.35rem; }
.sc-prose h3 { font-size: 1.15rem; }

.sc-prose p {
  margin: 1.05em 0;
  color: var(--sc-sub);
}

.sc-prose a {
  color: var(--sc-accent-2);
  font-weight: 800;
}

.sc-prose a:hover {
  text-decoration: underline;
}

.sc-card {
  background: #fff;
  border: 1px solid var(--sc-line);
  border-radius: var(--sc-radius);
  box-shadow: var(--sc-shadow-sm);
}

.sc-card--pad {
  padding: var(--sc-gap-6);
}

/* Utility */
.sc-muted { color: var(--sc-muted); }
.sc-divider {
  border: none;
  border-top: 1px solid var(--sc-line);
  margin: var(--sc-gap-8) 0;
}
/* Breadcrumb */
.sc-breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 0.22em;
}