/*
Theme Name: GCXX Games Portal
Theme URI: https://games.gcxxblog.com/
Author: GCXX
Description: GCXXが運営する攻略サイトを横断検索できる公式ポータルテーマ。
Version: 1.1.0
Text Domain: gcxx-games-portal
*/

:root {
  --navy: #0b1f3a;
  --navy-2: #102b50;
  --blue: #1677ff;
  --blue-dark: #0a57c8;
  --cyan: #24c8db;
  --amber: #f4aa27;
  --ink: #13233a;
  --muted: #62728a;
  --line: #dbe4ef;
  --soft: #f4f8fc;
  --white: #fff;
  --shadow: 0 14px 38px rgba(11, 31, 58, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #eef4fa;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
img { display: block; max-width: 100%; }
button, input { font: inherit; }
.screen-reader-text { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.portal-header {
  position: sticky;
  z-index: 50;
  top: 0;
  color: #fff;
  background: rgba(11, 31, 58, .97);
  border-bottom: 3px solid var(--cyan);
  backdrop-filter: blur(12px);
}
.portal-header__inner {
  width: min(1180px, calc(100% - 32px));
  min-height: 72px;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 28px;
}
.portal-brand { display: inline-flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 900; font-size: 1.22rem; letter-spacing: .02em; flex: 0 0 auto; }
.portal-brand__mark { width: 42px; height: 42px; border-radius: 11px; object-fit: contain; }
.portal-nav { margin-left: auto; display: flex; align-items: center; gap: 20px; }
.portal-nav a { color: #e8f2ff; font-size: .88rem; font-weight: 750; text-decoration: none; white-space: nowrap; }
.portal-nav a:hover, .portal-nav a:focus-visible { color: #fff; text-decoration: underline; text-underline-offset: 5px; }
.portal-header-search { width: min(300px, 26vw); }
.portal-header-search input { width: 100%; border: 1px solid rgba(255,255,255,.34); border-radius: 999px; padding: 10px 16px; color: var(--ink); background: #fff; }

.portal-shell { min-height: 70vh; }
.portal-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(145deg, #fff 0%, #e8f3ff 58%, #dff8fb 100%);
  border-bottom: 1px solid var(--line);
}
.portal-hero::before, .portal-hero::after { content: ""; position: absolute; border-radius: 999px; opacity: .6; pointer-events: none; }
.portal-hero::before { width: 430px; height: 430px; right: -110px; top: -220px; background: radial-gradient(circle, rgba(36,200,219,.28), transparent 68%); }
.portal-hero::after { width: 520px; height: 520px; left: -240px; bottom: -340px; background: radial-gradient(circle, rgba(22,119,255,.22), transparent 66%); }
.portal-hero__inner { position: relative; width: min(1040px, calc(100% - 32px)); margin: auto; padding: 74px 0 66px; text-align: center; }
.portal-eyebrow { display: inline-flex; align-items: center; gap: 7px; margin: 0 0 15px; color: var(--blue-dark); font-weight: 850; font-size: .82rem; letter-spacing: .08em; text-transform: uppercase; }
.portal-eyebrow::before { content: ""; width: 20px; height: 3px; background: var(--cyan); border-radius: 99px; }
.portal-hero h1 { margin: 0; font-size: clamp(2rem, 5vw, 3.55rem); line-height: 1.22; letter-spacing: -.035em; }
.portal-hero__lead { max-width: 720px; margin: 18px auto 0; color: #405572; font-size: clamp(1rem, 2vw, 1.15rem); }
.portal-search { max-width: 760px; margin: 32px auto 0; display: flex; background: #fff; border: 2px solid var(--blue); border-radius: 14px; box-shadow: 0 12px 30px rgba(22,119,255,.16); overflow: hidden; }
.portal-search input { flex: 1; min-width: 0; border: 0; padding: 17px 20px; outline: none; color: var(--ink); }
.portal-search button { width: 64px; border: 0; color: #fff; background: var(--blue); cursor: pointer; font-size: 1.25rem; }
.portal-search button:hover { background: var(--blue-dark); }
.portal-search-note { margin: 10px 0 0; color: var(--muted); font-size: .82rem; }

.portal-main { width: min(1180px, calc(100% - 32px)); margin: 34px auto 72px; }
.portal-layout { display: grid; grid-template-columns: minmax(0, 1fr) 315px; align-items: start; gap: 24px; }
.portal-section, .portal-side-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); }
.portal-section { padding: 24px; margin-bottom: 24px; }
.portal-section__head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.portal-section__head h2, .portal-side-card h2 { margin: 0; padding-left: 13px; border-left: 4px solid var(--blue); font-size: 1.32rem; line-height: 1.45; }
.portal-section__head p { margin: 0; color: var(--muted); font-size: .86rem; }

.featured-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.site-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 15px; }
.site-card { position: relative; display: flex; flex-direction: column; min-width: 0; overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: #fff; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.site-card:hover { transform: translateY(-3px); border-color: #a8c9f7; box-shadow: 0 14px 24px rgba(11,31,58,.12); }
.site-card[hidden] { display: none !important; }
.site-card__media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, #153962, #1677ff); }
.site-card__media-link { display: block; width: 100%; height: 100%; }
.site-card__media img { width: 100%; height: 100%; object-fit: cover; }
.site-card__media::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, rgba(5,20,42,.54)); pointer-events: none; }
.site-card__badge { position: absolute; z-index: 2; top: 10px; left: 10px; display: inline-flex; align-items: center; min-height: 26px; padding: 3px 9px; border-radius: 999px; color: #fff; background: rgba(11,31,58,.9); font-size: .7rem; font-weight: 850; }
.site-card__badge--hot { background: #d83b31; }
.site-card__badge--grow { color: #563500; background: #ffd66e; }
.site-card__badge--prepare { background: #66758a; }
.site-card__body { display: flex; flex: 1; flex-direction: column; padding: 15px; }
.site-card__title { margin: 0; font-size: 1rem; line-height: 1.5; }
.site-card__title a { color: inherit; text-decoration: none; }
.site-card__title a:hover, .site-card__title a:focus-visible { color: var(--blue-dark); text-decoration: underline; text-underline-offset: 3px; }
.site-card__description { margin: 8px 0 14px; color: var(--muted); font-size: .82rem; line-height: 1.65; }
.site-card__impact { margin: 0 0 14px; overflow: hidden; border: 1px solid #dbe7f4; border-radius: 9px; background: #f8fbff; font-variant-numeric: tabular-nums; }
.site-card__impact-head, .site-card__impact-row { display: grid; grid-template-columns: 1.4fr 1fr .8fr; align-items: center; gap: 5px; padding: 6px 8px; }
.site-card__impact-head { color: #5c6f87; background: #edf5ff; font-size: .62rem; font-weight: 800; }
.site-card__impact-head span:not(:first-child), .site-card__impact-row b { text-align: right; }
.site-card__impact-head small { display: block; font-size: .52rem; font-weight: 650; }
.site-card__impact-row { min-height: 32px; font-size: .72rem; }
.site-card__impact-row + .site-card__impact-row { border-top: 1px solid #e2ebf5; }
.site-card__impact-row strong { color: #405572; font-size: .66rem; }
.site-card__impact-row b { color: var(--navy); font-size: .75rem; overflow-wrap: anywhere; }
.site-card__meta { margin-top: auto; display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.site-card__category { color: #50647d; font-size: .72rem; font-weight: 750; }
.site-card__link { color: var(--blue-dark); font-size: .82rem; font-weight: 850; text-decoration: none; }
.site-card__link::after { content: " →"; }
.site-card__link:hover { text-decoration: underline; }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.filter-button { border: 1px solid var(--line); border-radius: 999px; padding: 8px 14px; color: #405572; background: #f6f9fc; cursor: pointer; font-size: .78rem; font-weight: 800; }
.filter-button:hover, .filter-button.is-active { color: #fff; background: var(--blue); border-color: var(--blue); }
.result-summary { min-height: 1.6em; margin: -8px 0 14px; color: var(--muted); font-size: .8rem; }
.impact-note { display: grid; gap: 3px; margin: 0 0 18px; padding: 13px 15px; border-left: 4px solid var(--cyan); border-radius: 8px; background: #eefbfc; color: #405572; font-size: .78rem; }
.impact-note strong { color: var(--navy); font-size: .84rem; }
.impact-note small { color: #6a7c91; }
.no-results { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed #b8c7d8; border-radius: 10px; background: var(--soft); }

.portal-sidebar { position: sticky; top: 96px; display: grid; gap: 18px; }
.portal-side-card { padding: 20px; box-shadow: 0 10px 24px rgba(11,31,58,.07); }
.updates-list { list-style: none; margin: 16px 0 0; padding: 0; }
.updates-list li + li { border-top: 1px solid #e6edf5; }
.updates-list a { display: block; padding: 13px 0; text-decoration: none; }
.updates-list time { display: block; color: #7a899b; font-size: .7rem; }
.updates-list strong { display: block; margin-top: 3px; font-size: .82rem; line-height: 1.55; }
.updates-list a:hover strong { color: var(--blue-dark); text-decoration: underline; }
.portal-stat { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 16px; }
.portal-stat div { padding: 13px; text-align: center; border-radius: 10px; background: var(--soft); }
.portal-stat strong { display: block; color: var(--navy); font-size: 1.3rem; }
.portal-stat span { color: var(--muted); font-size: .7rem; }

.category-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.category-link { display: block; padding: 17px 12px; text-align: center; text-decoration: none; border: 1px solid var(--line); border-radius: 10px; background: #fff; font-size: .82rem; font-weight: 850; }
.category-link span { display: block; margin-bottom: 4px; color: var(--blue); font-size: 1.35rem; }
.category-link:hover { border-color: var(--blue); background: #f3f8ff; }

.portal-about { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.portal-about__box { padding: 21px; border-radius: 12px; background: linear-gradient(145deg,#f5f9ff,#eefbfc); border: 1px solid #d8e9f7; }
.portal-about__box h3 { margin: 0 0 8px; font-size: 1.04rem; }
.portal-about__box p { margin: 0; color: #52657c; font-size: .86rem; }

.portal-footer { color: #dce8f7; background: var(--navy); }
.portal-footer__inner { width: min(1180px, calc(100% - 32px)); margin: auto; padding: 42px 0 24px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 38px; }
.portal-footer h2, .portal-footer h3 { color: #fff; margin: 0 0 12px; }
.portal-footer p { margin: 0; color: #aebed2; font-size: .82rem; }
.portal-footer ul { list-style: none; margin: 0; padding: 0; }
.portal-footer li + li { margin-top: 7px; }
.portal-footer a { color: #dce8f7; text-decoration: none; font-size: .82rem; }
.portal-footer a:hover { color: #fff; text-decoration: underline; }
.portal-footer__bottom { width: min(1180px, calc(100% - 32px)); margin: auto; padding: 18px 0 24px; border-top: 1px solid rgba(255,255,255,.15); color: #9fb0c5; font-size: .72rem; }

.portal-notice { padding: 44px 24px; text-align: center; background: #fff; border: 1px solid var(--line); border-radius: 14px; }
.portal-notice h1 { margin-top: 0; }
.portal-notice a { color: var(--blue-dark); font-weight: 800; }

@media (max-width: 1040px) {
  .portal-header-search { display: none; }
  .portal-layout { grid-template-columns: 1fr; }
  .portal-sidebar { position: static; grid-template-columns: 1fr 1fr; }
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .site-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 760px) {
  .portal-header__inner { width: min(100% - 20px, 1180px); min-height: 64px; gap: 12px; }
  .portal-brand { font-size: 1rem; }
  .portal-brand__mark { width: 31px; height: 34px; }
  .portal-nav { margin-left: auto; gap: 12px; overflow-x: auto; }
  .portal-nav a { font-size: .72rem; }
  .portal-nav a:nth-child(n+4) { display: none; }
  .portal-hero__inner { padding: 52px 0 46px; }
  .portal-hero h1 { font-size: 2rem; }
  .portal-search input { padding: 14px; }
  .portal-search button { width: 54px; }
  .portal-main { width: min(100% - 20px, 1180px); margin-top: 20px; }
  .portal-section { padding: 16px; }
  .portal-section__head { display: block; }
  .portal-section__head p { margin-top: 6px; }
  .site-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .site-card__body { padding: 12px; }
  .site-card__description { font-size: .76rem; }
  .portal-sidebar { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .portal-about { grid-template-columns: 1fr; }
  .portal-footer__inner { grid-template-columns: 1fr; gap: 24px; }
}

@media (max-width: 420px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-grid .site-card { display: grid; grid-template-columns: 42% 58%; }
  .featured-grid .site-card__media { height: 100%; min-height: 160px; aspect-ratio: auto; }
  .site-grid { grid-template-columns: 1fr; }
  .site-grid .site-card { display: grid; grid-template-columns: 38% 62%; }
  .site-grid .site-card__media { height: 100%; min-height: 150px; aspect-ratio: auto; }
  .site-card__description { margin-bottom: 9px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .site-card { transition: none; }
}