/*
Theme Name: Artist Official Japan
Theme URI: https://example.com
Author: Your Studio
Author URI: https://example.com
Description: 海外アーティストの日本公式WEBサイト用テーマ。トップページ・コンサート情報・バイオグラフィーの3ページ構成。WEBの専門知識がなくても管理画面から更新できるようにシンプルに設計しています。
Version: 1.7.0
Requires at least: 6.0
Requires PHP: 7.4
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: artist-official
*/

/* ==========================================================================
   Reset / Base
   ========================================================================== */
:root {
  --color-bg: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-line: #e2e2e2;
  --color-accent: #1a1a1a;
  --font-serif: "Noto Serif JP", serif;
  --font-sans: "Noto Sans JP", sans-serif;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.9;
  font-weight: 300;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin: 0 0 0.6em;
}

p {
  margin: 0 0 1.4em;
}

ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 72px 0;
}

.section--tight {
  padding: 40px 0;
}

.eyebrow {
  display: block;
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 18px;
}

.btn {
  display: inline-block;
  padding: 14px 34px;
  border: 1px solid var(--color-text);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background 0.25s ease, color 0.25s ease;
}

.btn:hover {
  background: var(--color-text);
  color: #fff;
}

.divider {
  border: none;
  border-top: 1px solid var(--color-line);
  margin: 0;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
  border-bottom: 1px solid var(--color-line);
}

.site-header__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 0 14px;
  flex-wrap: wrap;
  gap: 12px;
}

.site-title {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.08em;
}

.site-title a {
  display: block;
}

.social-links {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.social-links a {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-bottom: 1px solid transparent;
}

.social-links a:hover {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

.main-nav {
  padding: 10px 0 18px;
}

.main-nav ul {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
}

.main-nav a {
  font-size: 13px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
}

.main-nav a:hover,
.main-nav .current-menu-item a {
  border-bottom-color: var(--color-text);
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-text);
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 0.15em;
  cursor: pointer;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  width: 100%;
  min-height: 62vh;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.55), rgba(0,0,0,0));
}

.hero__inner {
  position: relative;
  z-index: 1;
  padding: 48px 24px;
  color: #fff;
  width: 100%;
}

.hero__inner .container {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.hero__heading {
  min-width: 0;
}

.hero__subtitle {
  font-size: 13px;
  line-height: 1.3;
  letter-spacing: 0.15em;
  color: #fff;
  margin: 0 0 2px;
}

.hero__title {
  font-size: clamp(28px, 5vw, 48px);
  color: #fff;
  margin: 0;
}

.hero--placeholder {
  background-color: #1a1a1a;
}

/* ==========================================================================
   News / お知らせ
   ========================================================================== */
.news-list {
  border-top: 1px solid var(--color-line);
}

.news-item {
  display: flex;
  gap: 28px;
  padding: 26px 0;
  border-bottom: 1px solid var(--color-line);
  flex-wrap: wrap;
}

.news-item time {
  flex: 0 0 120px;
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: 0.05em;
}

.news-item__body {
  flex: 1 1 320px;
}

.news-item__cat {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  border: 1px solid var(--color-line);
  padding: 2px 10px;
  margin-bottom: 8px;
}

.news-item h3 {
  font-size: 16px;
  font-family: var(--font-sans);
  font-weight: 500;
  margin: 0 0 6px;
}

.news-item p {
  color: var(--color-muted);
  margin: 0;
  font-size: 14px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 10px;
}

.section-heading h2 {
  font-size: 26px;
}

.section-heading .more-link {
  font-size: 12px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-text);
}

/* ==========================================================================
   Concerts / コンサート情報
   ========================================================================== */
.concert-list {
  margin-top: 1px;
}

.concert-item {
  display: flex;
  gap: 32px;
  padding: 34px 0;
  border-bottom: 1px solid var(--color-line);
  flex-wrap: wrap;
}

.concert-item__thumb {
  flex: 0 0 220px;
  overflow: hidden;
  align-self: stretch;
}

.concert-item__thumb img {
  width: 100%;
  height: 100%;
  min-height: 150px;
  object-fit: cover;
  display: block;
}

.concert-item__body {
  flex: 1 1 320px;
}

.concert-item__date {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-muted);
  margin-bottom: 6px;
  display: block;
}

.concert-item h3 {
  font-size: 20px;
  margin-bottom: 8px;
}

.concert-item__venue {
  color: var(--color-muted);
  font-size: 14px;
  margin-bottom: 14px;
}

.concert-status-tabs {
  display: flex;
  gap: 26px;
  margin-bottom: 8px;
}

.concert-status-tabs a {
  padding: 10px 2px;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.concert-status-tabs a.is-active {
  color: var(--color-text);
  border-bottom-color: var(--color-text);
}

.empty-note {
  color: var(--color-muted);
  padding: 30px 0;
}

/* コンサート情報：公演日・会場・演目・出演・チケット（縦線区切りの行） */
.info-rows {
  margin: 28px 0;
}

.info-row {
  display: table;
  width: 100%;
  table-layout: fixed;
  margin: 0 0 18px;
}

.info-row dt {
  display: table-cell;
  width: 120px;
  padding: 2px 20px 2px 0;
  border-right: 1px solid var(--color-line);
  color: var(--color-muted);
  font-size: 13px;
  letter-spacing: 0.05em;
  vertical-align: top;
}

.info-row dd {
  display: table-cell;
  width: auto;
  margin: 0;
  padding: 2px 0 2px 20px;
  font-size: 14px;
  vertical-align: top;
}

/* チケット販売情報 */
.ticket-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ticket-list__item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.ticket-list__name {
  min-width: 140px;
  font-size: 14px;
}

.ticket-list__btn {
  display: inline-block;
  flex-shrink: 0;
  width: 140px;
  padding: 10px 0;
  border: 1px solid var(--color-text);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-align: center;
  box-sizing: border-box;
  transition: background 0.25s ease, color 0.25s ease;
}

.ticket-list__btn:hover {
  background: var(--color-text);
  color: #fff;
}

.ticket-list__note {
  flex-shrink: 0;
  width: 140px;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 480px) {
  .info-row,
  .info-row dt,
  .info-row dd {
    display: block;
    width: auto;
  }

  .info-row dt {
    border-right: none;
    border-left: 2px solid var(--color-line);
    padding: 2px 0 2px 14px;
    margin-bottom: 4px;
  }

  .info-row dd {
    padding: 2px 0 2px 16px;
  }

  .ticket-list__name {
    min-width: 0;
    width: 100%;
  }
}

/* ==========================================================================
   Biography / バイオグラフィー
   ========================================================================== */
.bio-quote {
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.7;
  border-left: 3px solid var(--color-text);
  padding-left: 24px;
  margin: 0 0 40px;
}

.bio-quote cite {
  display: block;
  margin-top: 12px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--color-muted);
  font-style: normal;
}

.bio-content {
  max-width: 760px;
}

.company-overview {
  margin-top: 20px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 12px;
}

.company-table th,
.company-table td {
  text-align: left;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-line);
  vertical-align: top;
  font-size: 14px;
}

.company-table th {
  width: 180px;
  color: var(--color-muted);
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* ==========================================================================
   Footer / 運営会社・お問い合わせ
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--color-line);
  margin-top: 40px;
  padding: 60px 0 30px;
  background: #fafafa;
}

.footer-grid {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-line);
}

.footer-col {
  flex: 1 1 260px;
}

.footer-col h4 {
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-muted);
  margin-bottom: 16px;
}

.footer-col p {
  font-size: 14px;
  margin-bottom: 6px;
}

.footer-nav a {
  display: block;
  font-size: 14px;
  padding: 4px 0;
}

.footer-social {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--color-muted);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 780px) {
  .main-nav ul {
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 10px 0;
  }

  .main-nav ul.is-open {
    display: flex;
  }

  .main-nav a {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-line);
  }

  .menu-toggle {
    display: inline-block;
  }

  .concert-item__thumb {
    flex-basis: 100%;
    align-self: auto;
  }

  .concert-item__thumb img {
    height: 200px;
  }

  .news-item time {
    flex-basis: auto;
  }
}