/*
Theme Name: Photo Studio B2B
Theme URI: https://example.com/photo-studio-b2b-theme
Author: Your Name
Author URI: https://example.com
Description: 法人・ブランド向け撮影スタジオのためのミニマルWordPressテーマ。写真中心のポートフォリオと料金メニューページを搭載。
Version: 1.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: photo-b2b
*/

/* ==========================================================================
   カラー変数・基本スタイル
   ========================================================================== */

:root {
    --color-bg: #ffffff;
    --color-text: #111111;
    --color-text-soft: #6b6b6b;
    --color-border: #e5e5e5;
    --color-accent: #111111;
    --font-serif: "Georgia", "Hiragino Mincho ProN", serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.9;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 32px;
}

h1, h2, h3 {
    font-family: var(--font-serif);
    font-weight: 400;
    letter-spacing: 0.03em;
}

/* ==========================================================================
   ヘッダー
   ========================================================================== */

.site-header {
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.site-title {
    font-size: 18px;
    letter-spacing: 0.25em;
    margin: 0;
    text-transform: uppercase;
}

.site-title a {
    color: var(--color-text);
}

.main-nav ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    margin: 0;
    padding: 0;
}

.main-nav a {
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--color-text-soft);
    padding-bottom: 3px;
    border-bottom: 1px solid transparent;
    transition: all 0.2s ease;
    text-transform: uppercase;
}

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

/* ==========================================================================
   ヒーロー(トップページ・フルスクリーン写真)
   ========================================================================== */

.hero {
    position: relative;
    height: 82vh;
    min-height: 480px;
    overflow: hidden;
    background: #f2f2f2;
}

.hero img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-caption {
    position: absolute;
    left: 32px;
    bottom: 32px;
    color: #fff;
    text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}

.hero-caption .eyebrow {
    display: block;
    font-size: 11px;
    letter-spacing: 0.2em;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.hero-caption h2 {
    font-size: clamp(22px, 3vw, 34px);
    margin: 0;
}

/* ==========================================================================
   共通セクション見出し
   ========================================================================== */

.section {
    padding: 90px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 56px;
}

.section-title .en {
    display: block;
    font-size: 11px;
    letter-spacing: 0.25em;
    color: var(--color-text-soft);
    margin-bottom: 14px;
    text-transform: uppercase;
}

.section-title h2 {
    font-size: 26px;
    margin: 0;
}

.section-lead {
    max-width: 620px;
    margin: 0 auto 56px;
    text-align: center;
    color: var(--color-text-soft);
    font-size: 14px;
}

/* ==========================================================================
   写真中心グリッド(トップ・作品一覧共通)
   ========================================================================== */

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 2px;
}

.photo-grid .portfolio-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: #f2f2f2;
    cursor: pointer;
}

.photo-grid img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

.photo-grid .portfolio-item:hover img {
    transform: scale(1.03);
    opacity: 0.92;
}

.portfolio-item-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 18px;
    background: linear-gradient(to top, rgba(0,0,0,0.55), transparent);
    color: #fff;
    font-size: 12px;
    letter-spacing: 0.05em;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.photo-grid .portfolio-item:hover .portfolio-item-caption {
    opacity: 1;
}

.gallery-empty {
    padding: 60px 0;
    text-align: center;
    color: var(--color-text-soft);
}

.section-footer-link {
    text-align: center;
    margin-top: 48px;
}

.section-footer-link a {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 12px 32px;
    border: 1px solid var(--color-text);
    transition: all 0.2s ease;
}

.section-footer-link a:hover {
    background: var(--color-text);
    color: #fff;
}

/* ==========================================================================
   作品ジャンルナビ
   ========================================================================== */

.portfolio-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 48px;
}

.portfolio-nav a {
    font-size: 12px;
    letter-spacing: 0.05em;
    padding: 9px 20px;
    border: 1px solid var(--color-border);
    color: var(--color-text-soft);
    transition: all 0.2s ease;
    text-transform: uppercase;
}

.portfolio-nav a:hover,
.portfolio-nav a.active {
    background: var(--color-text);
    color: #fff;
    border-color: var(--color-text);
}

/* ==========================================================================
   作品単一ページ
   ========================================================================== */

.single-photo {
    padding: 60px 0 110px;
}

.single-photo-image {
    text-align: center;
    margin-bottom: 40px;
}

.single-photo-image img {
    max-height: 84vh;
    margin: 0 auto;
}

.single-photo-meta {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
}

.single-photo-meta h1 {
    font-size: 22px;
    margin: 0 0 10px;
}

.single-photo-meta .categories {
    font-size: 12px;
    color: var(--color-text-soft);
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.single-photo-meta .categories a {
    color: var(--color-text-soft);
    margin: 0 8px;
}

.back-link {
    display: inline-block;
    margin-top: 32px;
    font-size: 12px;
    letter-spacing: 0.05em;
    color: var(--color-text-soft);
    border-bottom: 1px solid var(--color-border);
}

.back-link:hover {
    color: var(--color-text);
    border-color: var(--color-text);
}

/* ==========================================================================
   料金メニュー(PRICE)ページ
   ========================================================================== */

.price-plans {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 0;
    border-top: 1px solid var(--color-border);
    border-left: 1px solid var(--color-border);
    margin: 0 0 60px;
}

.price-plan {
    padding: 48px 32px;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: center;
}

.price-plan.is-featured {
    background: #111111;
    color: #fff;
}

.price-plan.is-featured .price-plan-note,
.price-plan.is-featured li {
    color: #cfcfcf;
}

.price-plan-name {
    font-size: 12px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-soft);
    margin-bottom: 20px;
}

.price-plan.is-featured .price-plan-name {
    color: #cfcfcf;
}

.price-plan-amount {
    font-family: var(--font-serif);
    font-size: 34px;
    margin-bottom: 6px;
}

.price-plan-unit {
    font-size: 12px;
    color: var(--color-text-soft);
    margin-bottom: 28px;
}

.price-plan.is-featured .price-plan-unit {
    color: #cfcfcf;
}

.price-plan ul {
    list-style: none;
    padding: 0;
    margin: 0 0 12px;
    font-size: 13px;
    color: var(--color-text-soft);
    text-align: left;
}

.price-plan li {
    padding: 8px 0;
    border-bottom: 1px solid var(--color-border);
}

.price-plan.is-featured li {
    border-color: rgba(255,255,255,0.15);
}

.price-plan-note {
    font-size: 11px;
    color: var(--color-text-soft);
    margin-top: 16px;
}

.price-notes {
    max-width: 680px;
    margin: 0 auto;
    font-size: 13px;
    color: var(--color-text-soft);
}

.price-notes h3 {
    font-size: 15px;
    margin-top: 32px;
}

/* ==========================================================================
   固定ページ共通(会社概要・お問い合わせ等)
   ========================================================================== */

.page-header {
    padding: 90px 0 50px;
    text-align: center;
}

.page-header .en {
    display: block;
    font-size: 11px;
    letter-spacing: 0.25em;
    color: var(--color-text-soft);
    margin-bottom: 14px;
    text-transform: uppercase;
}

.page-header h1 {
    font-size: 28px;
    margin: 0;
}

.page-content {
    max-width: 720px;
    margin: 0 auto;
    padding-bottom: 110px;
    font-size: 14px;
}

.page-content img {
    margin: 28px 0;
}

.page-content h2 {
    font-size: 19px;
    margin-top: 44px;
}

.company-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    font-size: 13px;
}

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

.company-table th {
    width: 140px;
    color: var(--color-text-soft);
    font-weight: 400;
}

/* ==========================================================================
   ライトボックス
   ========================================================================== */

.pg-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 40px;
}

.pg-lightbox.is-open {
    display: flex;
}

.pg-lightbox img {
    max-width: 100%;
    max-height: 90vh;
    margin: 0 auto;
}

.pg-lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 32px;
    color: #fff;
    cursor: pointer;
    background: none;
    border: none;
}

/* ==========================================================================
   フッター
   ========================================================================== */

.site-footer {
    border-top: 1px solid var(--color-border);
    padding: 48px 0;
    text-align: center;
    font-size: 11px;
    color: var(--color-text-soft);
    letter-spacing: 0.05em;
}

.site-footer .footer-nav {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    text-transform: uppercase;
}

/* ==========================================================================
   ページネーション
   ========================================================================== */

.pg-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 40px 0 0;
}

.pg-pagination a,
.pg-pagination span {
    padding: 8px 14px;
    border: 1px solid var(--color-border);
    font-size: 12px;
    color: var(--color-text-soft);
}

.pg-pagination .current {
    background: var(--color-text);
    color: #fff;
    border-color: var(--color-text);
}

/* ==========================================================================
   レスポンシブ
   ========================================================================== */

@media (max-width: 640px) {
    .site-header .container {
        flex-direction: column;
        align-items: flex-start;
    }
    .hero {
        height: 60vh;
    }
    .section {
        padding: 60px 0;
    }
}