/*
Theme Name: Classical Saxophonist
Theme URI: https://example.com/classical-saxophonist
Author: Classical Saxophonist Theme
Author URI: https://example.com/
Description: クラシックサクソフォン奏者のための上品で洗練されたWordPressテーマ。コンサート情報、プロフィール、ディスコグラフィー、ギャラリー、お問い合わせなど、演奏家のプロモーションに必要な機能を備えています。
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: classical-saxophonist
Tags: music, classical, portfolio, elegant, dark, full-width-template, custom-menu, featured-images, translation-ready
*/

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --color-primary: #28507f;
    --color-primary-light: #3d6a9e;
    --color-primary-dark: #1a3859;
    --color-bg: #050709;
    --color-bg-soft: #0a0d12;
    --color-bg-card: #10141b;
    --color-header: #030405;
    --color-text: #d8dde4;
    --color-text-muted: #a8b2c2;
    --color-accent: #4a7ab0;
    --color-accent-light: #6b9bd1;
    --color-accent-dark: #28507f;
    --color-border: #161c26;
    --font-serif: 'Cormorant Garamond', 'Noto Serif JP', serif;
    --font-sans: 'Inter', 'Noto Sans JP', sans-serif;
    --transition: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--color-accent-light);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.3;
    letter-spacing: 0.02em;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-text);
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 1px;
    background: var(--color-accent);
    margin: 0 auto;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    transition: all var(--transition);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
}

.site-header.scrolled {
    background: rgba(3, 4, 5, 0.96);
    backdrop-filter: blur(12px);
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.15em;
}

.site-logo span {
    color: var(--color-text);
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 40px;
}

.main-nav a {
    color: var(--color-text);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition);
}

.main-nav a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #030405 0%, #0d1622 50%, #050709 100%);
    z-index: -2;
}

.hero-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(40, 80, 127, 0.18) 0%, transparent 55%),
        radial-gradient(circle at 80% 80%, rgba(40, 80, 127, 0.10) 0%, transparent 55%);
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 1;
}

.hero-eyebrow {
    font-size: 0.85rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeUp 1s 0.3s forwards;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 5.5rem);
    font-weight: 400;
    margin-bottom: 0;
    color: var(--color-text);
    opacity: 0;
    animation: fadeUp 1s 0.6s forwards;
}

.hero-title em {
    font-style: normal;
    color: var(--color-text);
}

.hero-romaji {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-text);
    letter-spacing: 0.15em;
    margin-top: -4px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeUp 1s 0.75s forwards;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--color-text-muted);
    margin-bottom: 48px;
    font-style: italic;
    opacity: 0;
    animation: fadeUp 1s 0.9s forwards;
}

.hero-cta {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeUp 1s 1.2s forwards;
}

.btn {
    display: inline-block;
    padding: 14px 36px;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    font-family: var(--font-sans);
}

.btn:hover {
    background: var(--color-accent);
    color: var(--color-bg);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-text);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background: var(--color-primary-light);
    border-color: var(--color-primary-light);
    color: var(--color-bg);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-text-muted);
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeUp 1s 1.5s forwards;
}

.scroll-indicator::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background: var(--color-accent);
    margin: 12px auto 0;
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollLine {
    0%, 100% { transform: scaleY(1); transform-origin: top; }
    50% { transform: scaleY(0.3); transform-origin: top; }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    background: var(--color-bg-soft);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    background: var(--color-bg-card);
}

/* プロフィール写真の装飾枠は非表示 */

.about-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(20%);
}

.about-content .section-label {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    margin-bottom: 24px;
}

.about-content p {
    color: var(--color-text-muted);
    margin-bottom: 20px;
    font-size: 1.02rem;
}

.about-quote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-accent);
    border-left: 2px solid var(--color-primary);
    padding-left: 24px;
    margin: 32px 0;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border);
}

.stat-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-accent);
    line-height: 1;
}

.stat-label {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: 8px;
}

/* ==========================================================================
   Concerts Section
   ========================================================================== */
.concerts-list {
    max-width: 900px;
    margin: 0 auto;
}

.concert-item {
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 32px;
    align-items: center;
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}

.concert-item:hover {
    padding-left: 16px;
    border-bottom-color: var(--color-accent);
}

.concert-date {
    text-align: center;
    border-right: 1px solid var(--color-border);
    padding-right: 32px;
}

.concert-date .day {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-accent);
    line-height: 1;
}

.concert-date .month {
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.concert-info h3 {
    font-size: 1.4rem;
    margin-bottom: 8px;
}

.concert-info .venue {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.concert-info .venue i {
    color: var(--color-accent);
    margin-right: 8px;
}

.concert-link {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    border: 1px solid var(--color-border);
    padding: 10px 24px;
    color: var(--color-text);
    transition: all var(--transition);
}

.concert-link:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.concerts-empty {
    text-align: center;
    color: var(--color-text-muted);
    font-style: italic;
    font-family: var(--font-serif);
    padding: 32px 0;
}

/* ==========================================================================
   Archive Section (過去の公演)
   ========================================================================== */
.concerts.archive {
    background: var(--color-bg-soft);
}

.archive-item {
    opacity: 0.85;
}

.archive-item .concert-date .day {
    color: var(--color-text-muted);
}

.archive-item .concert-info h3 {
    color: var(--color-text);
    font-weight: 400;
}

.archive-item:hover {
    opacity: 1;
}

.archive-hidden {
    display: none;
}

.archive-list.expanded .archive-hidden {
    display: grid;
    animation: archiveFadeIn 0.5s ease forwards;
}

@keyframes archiveFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 0.85; transform: translateY(0); }
}

.archive-more-wrap {
    text-align: center;
    margin-top: 48px;
}

.archive-toggle {
    cursor: pointer;
}

/* ==========================================================================
   Discography Section
   ========================================================================== */
.discography {
    background: var(--color-bg-soft);
}

.album-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 40px;
}

.album-card {
    text-align: center;
    transition: transform var(--transition);
}

.album-card:hover {
    transform: translateY(-8px);
}

.album-cover {
    aspect-ratio: 1;
    background: var(--color-bg-card);
    margin-bottom: 20px;
    overflow: hidden;
    position: relative;
    border: 1px solid var(--color-border);
}

.album-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.album-card:hover .album-cover img {
    transform: scale(1.05);
}

.album-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0d12, #14202e);
    color: var(--color-accent);
    font-size: 3rem;
}

.album-title {
    font-size: 1.2rem;
    margin-bottom: 8px;
}

.album-year {
    font-size: 0.8rem;
    letter-spacing: 0.2em;
    color: var(--color-text-muted);
    text-transform: uppercase;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 220px;
    gap: 16px;
}

.gallery-item {
    overflow: hidden;
    position: relative;
    background: var(--color-bg-card);
}

.gallery-item.tall {
    grid-row: span 2;
}

.gallery-item.wide {
    grid-column: span 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.6) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition);
}

.gallery-item:hover::after {
    opacity: 1;
}

.gallery-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a0d12, #14202e);
    color: var(--color-primary-light);
    font-size: 2rem;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    background: var(--color-bg-soft);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.contact-info p {
    color: var(--color-text-muted);
    margin-bottom: 32px;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    color: var(--color-text);
}

.contact-detail i {
    color: var(--color-accent);
    width: 20px;
}

.social-links {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}

.social-links a {
    width: 44px;
    height: 44px;
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text);
    transition: all var(--transition);
}

.social-links a:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-3px);
}

.contact-form {
    display: grid;
    gap: 20px;
}

.form-group label {
    display: block;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 140px;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    background: var(--color-bg);
    padding: 60px 0 30px;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.footer-logo span {
    color: var(--color-text);
}

.footer-tagline {
    color: var(--color-text-muted);
    font-style: italic;
    font-family: var(--font-serif);
    margin-bottom: 32px;
}

.footer-divider {
    width: 80px;
    height: 1px;
    background: var(--color-accent);
    margin: 0 auto 32px;
}

.footer-copyright {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 968px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .about-image {
        max-width: 400px;
        margin: 0 auto;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    section {
        padding: 70px 0;
    }
    .menu-toggle {
        display: block;
    }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: var(--color-bg-soft);
        padding: 80px 32px 32px;
        transition: right var(--transition);
        border-left: 1px solid var(--color-border);
    }
    .main-nav.active {
        right: 0;
    }
    .main-nav ul {
        flex-direction: column;
        gap: 24px;
    }
    .concert-item {
        grid-template-columns: 1fr;
        gap: 16px;
        text-align: center;
    }
    .concert-date {
        border-right: none;
        border-bottom: 1px solid var(--color-border);
        padding: 0 0 16px;
    }
    .concert-date .day,
    .concert-date .month {
        display: inline-block;
        margin: 0 8px;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
    }
    .gallery-item.wide,
    .gallery-item.tall {
        grid-column: span 1;
        grid-row: span 1;
    }
    .about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}