/* ECプランニング ブログ（静的ページ）共通スタイル */
@font-face { font-family: "Zen Kaku Gothic New"; src: url("/ecp-top/assets/fonts/ZenKakuGothicNew-Regular.subset.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Zen Kaku Gothic New"; src: url("/ecp-top/assets/fonts/ZenKakuGothicNew-Bold.subset.woff2") format("woff2"); font-weight: 700; font-display: swap; }

:root {
  --ink: #16243a; --text: #3a4456; --muted: #5c6372; --paper: #f8f4ee; --white: #fffdfa;
  --line: #e3dacb; --orange: #f05a24; --orange-btn: #cc4a15; --orange-text: #c4470f; --tint: #fdeee6;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body { margin: 0; background: var(--white); color: var(--text); font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 16.5px; line-height: 1.95; letter-spacing: .03em; overflow-wrap: anywhere; line-break: strict; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--orange-text); text-underline-offset: .25em; }
h1, h2, h3 { color: var(--ink); line-height: 1.45; word-break: auto-phrase; }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 3px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 12px; z-index: 99; }
.skip:focus { left: 8px; }
.wrap { width: 100%; max-width: 928px; margin-inline: auto; padding-inline: 24px; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7em 1.6em; border-radius: 4px;
  font-weight: 700; text-decoration: none; letter-spacing: .06em; }
.btn--primary { background: var(--orange-btn); color: #fff; }
.btn--primary:hover { background: #b13f10; }

/* header */
.bh { position: sticky; top: 0; z-index: 50; background: rgba(255,253,250,.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(6px); }
.bh__in { display: flex; align-items: center; gap: 24px; max-width: 1248px; margin: 0 auto; padding: 0 24px; height: 68px; }
.bh__brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 700; text-decoration: none; white-space: nowrap; }
.bh__nav { display: flex; gap: 22px; margin-left: auto; }
.bh__nav a { color: var(--ink); text-decoration: none; font-size: 14.5px; }
.bh__nav a:hover, .bh__nav a[aria-current] { color: var(--orange-text); }
.bh__cta { min-height: 40px; padding: .4em 1.2em; font-size: 15px; }

/* article hero */
.art__hero { background: var(--paper); border-bottom: 1px solid var(--line); padding: 40px 0 44px; }
.crumb { font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumb a { color: var(--orange-text); text-decoration: none; }
.art__meta { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; margin: 22px 0 0; font-size: 13.5px; color: var(--orange-text); font-weight: 700; }
.tag { display: inline-block; padding: 1px 10px; border: 1px solid var(--orange-text); border-radius: 2px; font-size: 12.5px; }
.art__hero h1 { margin: 14px 0 0; font-size: clamp(26px, 4.2vw, 40px); }
.art__lead { margin: 14px 0 0; font-size: 16.5px; color: var(--text); }
.art__banner { margin-top: 28px; width: 100%; border-radius: 8px; aspect-ratio: 16 / 5; object-fit: cover; }

/* article body */
.art__body { padding-top: 40px; padding-bottom: 72px; }
.art__body p { margin: 0 0 1.1em; }
.intro { border-left: 4px solid var(--orange); padding-left: 20px; }
.summary { margin: 32px 0; padding: 20px 24px; background: var(--tint); border-radius: 6px; }
.summary__t, .toc__t { margin: 0 0 8px !important; font-weight: 700; color: var(--ink); }
.summary ul { margin: 0; padding-left: 1.2em; }
.summary li { margin: 4px 0; }
.toc { margin: 32px 0; padding: 20px 24px; border: 1px solid var(--line); border-radius: 6px; background: #fff; }
.toc ol { margin: 0; padding-left: 1.4em; }
.toc a { color: var(--ink); text-decoration: none; }
.toc a:hover { color: var(--orange-text); text-decoration: underline; }
.company { margin: 40px 0; padding: 28px; background: var(--paper); border-radius: 8px; }
.company h2 { margin-top: 0; font-size: 21px; }
.sec { margin-top: 56px; }
.sec h2, .faq h2, .nap h2, .related h2 { font-size: clamp(21px, 2.6vw, 26px); padding-bottom: 10px; border-bottom: 2px solid var(--ink); margin: 0 0 20px; }
.sec h3 { font-size: 18.5px; margin: 32px 0 10px; padding-left: 12px; border-left: 4px solid var(--orange); }
.closing { margin-top: 48px; }
.cta { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; margin: 24px 0 0 !important; }
.cta__tel { color: var(--ink); font-weight: 700; }
.faq { margin-top: 56px; }
.faq__item { padding: 18px 0; border-bottom: 1px solid var(--line); }
.faq__q { font-size: 17px; margin: 0 0 6px; }
.faq__a { margin: 0 !important; }
.nap { margin-top: 56px; padding: 28px; border: 1px solid var(--line); border-radius: 8px; }
.nap dl { margin: 0; display: grid; gap: 6px; }
.nap dl div { display: grid; grid-template-columns: 5em 1fr; }
.nap dt { color: var(--muted); }
.nap dd { margin: 0; color: var(--ink); }
.related { margin-top: 56px; }

/* cards */
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.cards--idx { margin-top: 40px; }
.card a { display: flex; flex-direction: column; height: 100%; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; background: #fff; color: inherit; text-decoration: none; }
.card img { aspect-ratio: 16 / 5; object-fit: cover; width: 100%; }
.card__b { padding: 14px 16px 18px; }
.card__meta { display: flex; gap: 10px; align-items: center; margin: 0 0 6px; font-size: 12.5px; color: var(--orange-text); font-weight: 700; }
.card h3 { margin: 0 0 6px; font-size: 16px; line-height: 1.55; }
.card p:last-child { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.card a:hover h3 { color: var(--orange-text); }
.idx .art__hero h1 { font-size: clamp(28px, 4vw, 40px); }
.idx .wrap { max-width: 1248px; }
.pager { display: flex; justify-content: center; gap: 20px; margin: 40px 0 72px; align-items: center; }

/* footer */
.bf { background: var(--paper); border-top: 1px solid var(--line); padding-top: 40px; }
.bf__in { max-width: 1248px; margin: 0 auto; padding: 0 24px; display: flex; flex-wrap: wrap; gap: 24px 64px; justify-content: space-between; }
.bf__name { font-weight: 700; color: var(--ink); margin: 0 0 10px; }
.bf__info { margin: 0; font-size: 14px; display: grid; gap: 4px; }
.bf__info div { display: grid; grid-template-columns: 4.5em 1fr; }
.bf__info dt { color: var(--muted); }
.bf__info dd { margin: 0; color: var(--ink); }
.bf__nav { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 14px; align-content: flex-start; }
.bf__nav a { color: var(--ink); text-decoration: none; }
.bf__copy { text-align: center; color: var(--muted); padding: 18px; margin: 32px 0 0; border-top: 1px solid var(--line); font-size: 12px; }

@media (max-width: 1023px) { .bh__nav { display: none; } .bh__cta { margin-left: auto; } .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 18px; }
  .bh__in { padding: 0 16px; height: 60px; gap: 12px; }
  .bh__brand span { font-size: 14.5px; }
  .bh__brand img { width: 30px; height: 30px; }
  .art__hero { padding: 28px 0 32px; }
  .company, .nap { padding: 20px; }
  .cards { grid-template-columns: 1fr; }
  .nap dl div, .bf__info div { grid-template-columns: 1fr; }
}