@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@400;500;600;700;800&family=Noto+Sans+JP:wght@100&display=swap');

/* =====================
   CSS カスタムプロパティ
   ===================== */
:root {
    /* カラー */
    --color-primary:      #167501;
    --color-primary-dark: #0f5500;
    --color-text:         #1a1a1a;
    --color-text-muted:   #888;
    --color-border:       #e8e8e8;
    --color-bg-section:   #fafafa;
    --color-bg-glass:     rgba(255, 255, 255, 0.75);

    /* フォント */
    --font-serif: 'Shippori Mincho', serif;
    --font-sans:  'Noto Sans JP', sans-serif;

    /* z-index */
    --z-base:      1;
    --z-dropdown:  10;
    --z-overlay:   199;
    --z-nav:       200;
    --z-lightbox:  1000;
    --z-concert:   9000;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-serif);
    color: var(--color-text);
    background: #fff;
    min-width: 1024px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

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

/* =====================
   HERO
   ===================== */
.hero {
    width: 100%;
    max-height: calc(100vh - 100px);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero img {
    width: 100%;
    height: auto;
    display: block;
    flex-shrink: 0;
}

/* =====================
   MENU
   ===================== */
.menu {
    width: 100%;
    height: 100px;
    display: flex;
    align-items: center;

    background: #fff;
}

.menu-left,
.menu-right {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.menu-left {
    justify-content: flex-start;
    padding-left: 3rem;
}

.menu-right {
    justify-content: flex-end;
    padding-right: 3rem;
}

.menu-center {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-center a {
    display: block;
}

.menu-center img {
    height: 80px;
    width: auto;
    display: block;
}

.menu-link {
    font-family: var(--font-sans);
    font-weight: 200;
    font-size: 1rem;
    letter-spacing: 0.12em;
    text-transform: lowercase;
    color: var(--color-text);
    transition: opacity 0.2s;
    white-space: nowrap;
}

.menu-link:hover {
    opacity: 0.5;
}

/* 現在のページのリンク */
.menu-link.is-active {
    font-weight: 400;
    text-decoration: underline;
    text-underline-offset: 4px;
}

/* 現在のページ以外のリンク（サブページ表示時） */
.menu-link.is-inactive {
    color: #aaa;
}

/* =====================
   HOME / CONCERT
   ===================== */
.concert {
    display: flex;
    width: 100%;
}

.concert-left {
    width: 38.2%;
    background-color: var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem 2.5rem;
    gap: 1.5rem;
}

.concert-flyer-wrapper {
    width: calc(100% - 4rem);
    max-width: 340px;
}

.concert-flyer-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 4px 24px rgba(0,0,0,0.3);
}

.concert-info {
    color: #fff;
    text-align: center;
}

.concert-info h2 {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.concert-info p {
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.06em;
    opacity: 0.9;
    line-height: 1.8;
}

.concert-right {
    width: 61.8%;
    background: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 5rem;
}

.concert-right .section-label {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 1.5rem;
}

.concert-right .main-title {
    font-size: clamp(2rem, 3.5vw, 3.5rem);
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.3;
    margin-bottom: 2rem;
    color: var(--color-text);
}

.concert-right .description {
    font-size: 1rem;
    font-weight: 400;
    line-height: 2;
    color: #444;
    margin-bottom: 2rem;
}

/* =====================
   HOME / NEWS
   ===================== */
.news {
    width: 100%;
    padding: 5rem 6rem;
    background: #fafafa;
}

.section-heading {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

a.news-item {
    text-decoration: none;
    color: inherit;
}

a.news-item:hover .news-image {
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

a.news-item:hover .news-title {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.news-item .news-image {
    width: 100%;
    aspect-ratio: 3.82 / 6.18;
    object-fit: cover;
    display: block;
    margin-bottom: 1.2rem;
    background: #e0e0e0;
}

.news-item .news-title {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.6;
    margin-bottom: 0.4rem;
    letter-spacing: 0.04em;
    text-align: center;
}

.news-item .news-date {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    color: #888;
    letter-spacing: 0.12em;
    margin-bottom: 0.8rem;
    text-align: center;
}

.news-item .news-excerpt {
    font-size: 0.875rem;
    line-height: 1.9;
    color: #555;
}

.news-no-content {
    font-size: 0.9rem;
    color: #888;
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem 0;
}

/* =====================
   HOME / JOIN
   ===================== */
.join {
    display: flex;
    width: 100%;
}

.join-left {
    width: 61.8%;
    overflow: hidden;
}

.join-left img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    min-height: 480px;
}

.join-right {
    width: 38.2%;
    background: var(--color-text);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 4rem 3.5rem;
    gap: 2.5rem;
}

.join-right .section-heading {
    color: #888;
    margin-bottom: 0;
}

.join-right p {
    color: #fff;
}

.join-right .catchcopy {
    font-size: clamp(1.4rem, 2vw, 2rem);
    font-weight: 600;
    line-height: 1.7;
    letter-spacing: 0.06em;
}

.join-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-align: center;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
    border: 1px solid transparent;
    cursor: pointer;
}

.btn-outline-white {
    background: transparent;
    border-color: #fff;
    color: #fff;
}

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

.btn-outline-black {
    background: transparent;
    border-color: var(--color-text);
    color: var(--color-text);
}

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

.btn-green {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.btn-green:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

/* =====================
   HOME / ARCHIVE
   ===================== */
.archive {
    width: 100%;
    padding: 5rem 6rem;
    background-color: #fff;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.archive-flyer {
    flex-shrink: 0;
    width: 220px;
}

.archive-flyer img {
    width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 4px 20px rgba(0,0,0,0.12);
}

.archive-info {
    flex: 1;
}

.archive-info .section-heading {
    margin-bottom: 1.5rem;
}

.archive-info .archive-title {
    font-size: clamp(1.4rem, 2.5vw, 2.2rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    line-height: 1.4;
    margin-bottom: 1rem;
}

.archive-info .archive-meta {
    font-size: 0.9rem;
    color: #555;
    line-height: 2;
    letter-spacing: 0.04em;
}

.archive-info .archive-stage {
    margin-top: 1rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.btn-archive {
    margin-top: 2rem;
    background-color: transparent;
    border-color: var(--color-text);
    color: var(--color-text);
}

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

/* =====================
   HOME / SCHEDULE
   ===================== */
.schedule {
    width: 100%;
    padding: 5rem 6rem;
    background: #fafafa;
}

.schedule-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.schedule-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0;
    font-size: 0.9rem;
}

.schedule-table thead tr {
    border-bottom: 2px solid var(--color-text);
}

.schedule-table thead th {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #888;
    padding: 0 1.5rem 1rem 0;
    text-align: left;
}

.schedule-table tbody tr {
    border-bottom: 1px solid #e8e8e8;
    transition: background-color 0.15s;
}

.schedule-table tbody tr:hover {
    background-color: #f0f0f0;
}

.schedule-table tbody td {
    padding: 1.2rem 1.5rem 1.2rem 0;
    vertical-align: middle;
    line-height: 1.6;
}

.schedule-table .col-date, 
.schedule-table th.col-name {
    white-space: nowrap;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    color: #555;
}

.schedule-table th.col-name {
    font-weight: 200;
}

.schedule-table .col-date {
    font-weight: 400;
    width: 140px;
}

.schedule-table .col-event {
    font-weight: 600;
    letter-spacing: 0.04em;
}

.schedule-table .col-venue {
    color: #555;
    font-size: 0.875rem;
}

.schedule-table .col-note {
    font-size: 0.8rem;
    color: #888;
    white-space: nowrap;
}

/* =====================
   HOME / CONTACT
   ===================== */
.contact-section {
    width: 100%;
    padding: 6rem;
    background-color: var(--color-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.5rem;
}

.contact-section .section-heading {
    color: rgba(255,255,255,0.6);
    justify-content: center;
}

.contact-section .contact-text {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    letter-spacing: 0.1em;
    text-align: center;
}

.btn-outline-white-large {
    padding: 1.1rem 3.5rem;
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    border: 1px solid rgba(255,255,255,0.6);
    color: #fff;
    background-color: transparent;
    transition: background-color 0.2s, color 0.2s, border-color 0.2s;
    display: inline-block;
}

.btn-outline-white-large:hover {
    background-color: #fff;
    color: var(--color-primary);
}

/* =====================
   ABOUT PAGE
   ===================== */
.about-page {
    width: 100%;
    padding: 4rem 0 8rem;
}

.about-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 6rem;
}

.about-heading {
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 5rem;
}

.about-heading-v {
    letter-spacing: -0.01em;
}

.about-subheading {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 2.1;
    color: #333;
}

.about-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* ---- ブロック1: 団紹介 ---- */
.about-block--intro {
    display: grid;
    grid-template-columns: 5fr 4fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 7rem;
}

.about-img--intro {
    aspect-ratio: 3 / 4;
    transform: translateY(0.2rem);
}

/* ---- ブロック2: 団章 ---- */
.about-block--logo {
    display: grid;
    grid-template-columns: 3fr 5fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 7rem;
    transform: translateX(4rem);
}

.about-img--logo {
    aspect-ratio: 1 / 1;
    transform: translateY(-2rem);
}

/* ---- ブロック3: conductor.webp + 指揮者テキスト ---- */
.about-block--conductor-text {
    display: grid;
    grid-template-columns: 5fr 3fr;
    gap: 4rem;
    align-items: start;
    margin-bottom: 4rem;
    transform: translateX(2rem);
}

.about-img--conductor {
    aspect-ratio: 4 / 5;
    transform: translateY(7rem);
}

/* ---- ブロック4: 2枚の画像（段違いに配置） ---- */
.about-block--images1 {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 10rem;
}

.about-img--c1 {
    flex: 0 0 45%;
    aspect-ratio: 4 / 3;
    transform: translateX(-6rem);
}

.about-img--c2 {
    flex: 0 0 36%;
    aspect-ratio: 4 / 5;
    transform: translateY(12rem);
}

/* ---- ブロック5: 2枚の画像（段違いに配置） ---- */
.about-block--images2 {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 40rem;
}

.about-img--c3 {
    flex: 0 0 60%;
    transform: translateX(30rem) translateY(15rem);
}

.about-img--c4 {
    flex: 0 0 45%;
    transform: translateX(-36rem) translateY(32rem);
}

/* ---- ブロックbottom: 1枚の画像（全体配置） ---- */
.about-block--images-bottom {
    display: flex;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 15rem;
}

.about-img--images-bottom {
    transform: translateY(8rem);
    margin: 0 auto;
}

/* =====================
   CONTACT PAGE
   ===================== */
.contact-page {
    width: 100%;
    padding: 4rem 6rem 6rem;
}

.contact-page-inner {
    max-width: 680px;
    margin: 0 auto;
}

.contact-page-note {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--color-text);
}

.form-required {
    color: var(--color-primary);
    margin-left: 0.2rem;
}

.form-input,
.form-select,
.form-textarea {
    font-family: var(--font-serif);
    font-size: 1r-12m;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid #ccc;
    padding: 0.6rem 0;
    width: 100%;
    outline: none;
    transition: border-color 0.2s;
    appearance: none;
    -webkit-appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-bottom-color: var(--color-text);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: #bbb;
}

.form-select-wrapper {
    position: relative;
}

.form-select-wrapper::after {
    content: '∨';
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.7rem;
    color: #888;
    pointer-events: none;
}

.form-select option[value=""] {
    color: #bbb;
}

.form-textarea {
    resize: vertical;
    min-height: 160px;
    line-height: 1.8;
}

.form-field-error {
    font-size: 0.8rem;
    color: #c0392b;
    margin-top: 0.2rem;
}

.form-submit-row {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 1rem;
    margin-top: 1rem;
}

.form-result {
    width: 100%;
    font-size: 0.875rem;
    line-height: 1.7;
    padding: 0.8rem 1rem;
}

.form-result.is-success {
    background: #f0f7ee;
    color: var(--color-primary);
    border-left: 3px solid var(--color-primary);
}

.form-result.is-error {
    background: #fdf0ef;
    color: #c0392b;
    border-left: 3px solid #c0392b;
}

.form-submit-btn {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: #fff;
    background-color: var(--color-primary);
    border: none;
    padding: 0.9rem 3rem;
    cursor: pointer;
    transition: background-color 0.2s;
}

.form-submit-btn:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

.form-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.recaptcha-notice {
    font-size: 0.75rem;
    color: #aaa;
    line-height: 1.7;
    text-align: center;
}

.recaptcha-notice a {
    color: #aaa;
    text-decoration: underline;
}

.form-agree-row {
    display: flex;
    align-items: center;
}

.form-agree-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.form-agree-check {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-agree-label a {
    color: var(--color-primary);
    text-decoration: underline;
}

/* =====================
   PRIVACY PAGE
   ===================== */
.privacy-page {
    width: 100%;
    padding: 4rem 6rem 6rem;
}

.privacy-inner {
    max-width: 800px;
    margin: 0 auto;
}

.privacy-heading {
    font-size: 2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    margin-bottom: 3rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e0e0e0;
}

.privacy-section {
    margin-bottom: 2.5rem;
}

.privacy-section-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.8rem;
}

.privacy-section p {
    font-size: 0.9rem;
    line-height: 1.9;
    color: #333;
}

.privacy-list {
    list-style: disc;
    padding-left: 1.5rem;
    margin-top: 0.5rem;
}

.privacy-list li {
    font-size: 0.9rem;
    line-height: 1.9;
    color: #333;
}

/* =====================
   NEWS PAGE
   ===================== */
.news-page {
    width: 100%;
    padding: 4rem 6rem 6rem;
}

.news-page-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.news-page-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 0;
}

/* カード基本スタイル */
.news-card {
    display: flex;
    flex-direction: column;
}

.news-card-image {
    width: 100%;
    aspect-ratio: 3.82 / 6.18;
    object-fit: cover;
    display: block;
    margin-bottom: 1rem;
}

.news-card-image--placeholder {
    background: #e8e8e8;
}

.news-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
    text-align: center;
}

.news-card-date {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    color: #888;
    letter-spacing: 0.12em;
    margin-bottom: 0.7rem;
    text-align: center;
}

.news-card-excerpt {
    font-size: 0.85rem;
    line-height: 1.9;
    color: #555;
}

a.news-card {
    text-decoration: none;
    color: inherit;
}

a.news-card:hover .news-card-image {
    opacity: 0.85;
    transition: opacity 0.2s ease;
}

a.news-card:hover .news-card-title {
    text-decoration: underline;
    text-underline-offset: 3px;
}

/* ニュース詳細ページ */
.news-detail-page {
    width: 100%;
    padding: 4rem 0 8rem;
}

.news-detail-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 6rem;
}

.news-detail-back {
    display: inline-block;
    font-size: 0.85rem;
    color: #888;
    text-decoration: none;
    letter-spacing: 0.05em;
    margin-bottom: 2.5rem;
}

.news-detail-back:hover {
    color: var(--color-text);
}

.news-detail-header {
    margin-bottom: 2rem;
}

.news-detail-date {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.8rem;
    color: #888;
    letter-spacing: 0.12em;
    margin-bottom: 0.6rem;
}

.news-detail-title {
    font-size: clamp(1.2rem, 2vw, 1.7rem);
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: 0.04em;
}

.news-detail-eyecatch {
    margin-bottom: 2.5rem;
}

.news-detail-eyecatch img {
    width: 100%;
    display: block;
    object-fit: cover;
}

.news-detail-body {
    font-size: 0.95rem;
    line-height: 2;
    color: #333;
}

.news-detail-body p {
    margin-bottom: 1.4em;
}

.news-detail-body h2,
.news-detail-body h3 {
    font-weight: 700;
    margin: 2em 0 0.8em;
}

.news-detail-body a {
    color: var(--color-primary);
    text-underline-offset: 3px;
}

.news-detail-body img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5em 0;
}

.news-detail-not-found {
    color: #888;
    margin-bottom: 1.5rem;
}

/* ページネーション */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-top: 4rem;
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.4rem;
    height: 2.4rem;
    padding: 0 0.5rem;
    border: 1px solid #d0d0d0;
    color: var(--color-text);
    text-decoration: none;
    transition: background-color 0.15s, color 0.15s;
}

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

.pagination-btn.is-current {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.pagination-btn.is-disabled {
    color: #ccc;
    border-color: #eee;
    cursor: default;
}

.pagination-ellipsis {
    color: #aaa;
    padding: 0 0.3rem;
}

/* =====================
   CONCERT PAGE
   ===================== */

/* オーバーレイヘッダー */
.menu--overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    z-index: var(--z-dropdown);
}


/* キービジュアル */
.concert-page {
    position: relative;
}

.concert-upper {
    background: #f5f5f5;
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 4rem;
}

.concert-kv {
    display: flex;
    align-items: flex-start;
    gap: 0;
    max-width: 720px;
    margin: 0 auto;
    background: transparent;
    padding-bottom: 4rem;
}

.concert-kv-img {
    flex: 1 1 0;
    min-width: 0;
    display: block;
    object-fit: cover;
    outline: 0.1px solid rgba(255, 255, 255, 0.15);
    transition: opacity 0.6s ease, transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.concert-kv-img:nth-child(2) {
    transform: translateY(60px);
}

.concert-kv-img:nth-child(3) {
    transform: translateY(240px);
}

.concert-kv-img:nth-child(4) {
    transform: translateY(320px);
}

/* ボディ */
.concert-body {
    max-width: 960px;
    margin: 0 auto;
    padding: 4rem 2rem 6rem;
}

.concert-body--wide {
    max-width: 1100px;
    padding-left: 0;
    padding-right: 0;
}

/* イントロ */
.concert-intro {
    margin-bottom: 5rem;
    transition: opacity 0.7s ease;
}

.concert-org {
    font-size: 0.85rem;
    color: #888;
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
}

.concert-name {
    font-size: 2rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.8rem;
}

.concert-meta {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.concert-meta-row {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

.concert-meta-row dt {
    font-weight: 600;
    color: #555;
    min-width: 3em;
    white-space: nowrap;
}

.concert-meta-row dd {
    color: var(--color-text);
}

/* ステージ */
.concert-stages {
    display: flex;
    flex-direction: column;
    gap: 5rem;
    margin-bottom: 6rem;
}

.concert-stage {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    gap: 4rem;
    align-items: start;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.concert-stage--even {
    grid-template-columns: 1.6fr 1fr;
}

.concert-stage--even .concert-stage-info {
    order: 2;
}

.concert-stage--even .concert-stage-pieces {
    order: 1;
}

.concert-stage-heading {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.concert-stage-number {
    display: block;
    font-size: 0.78rem;
    font-weight: 400;
    font-family: var(--font-sans);
    color: #888;
    letter-spacing: 0.12em;
    margin-bottom: 0.2rem;
}

.concert-stage-title {
    font-size: 1.1rem;
}

.concert-stage-desc {
    font-size: 0.875rem;
    line-height: 1.9;
    color: #555;
}

.concert-stage-common {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 1rem;
}

.concert-stage-common-row {
    display: flex;
    gap: 1rem;
    font-size: 0.85rem;
    color: #555;
}

.concert-stage-common-row dt {
    font-weight: 500;
    min-width: 3em;
    color: #888;
}

/* 曲目 */
.concert-piece {
    padding: 1.2rem 0;
    border-bottom: 1px solid #d8d8d8;
}

.concert-piece:first-child {
    border-top: 1px solid #f0f0f0;
}

.concert-piece-title {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    margin-bottom: 0.6rem;
}

.concert-piece-meta {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.concert-piece-meta-row {
    display: flex;
    gap: 1rem;
    font-size: 0.82rem;
    color: #555;
}

.concert-piece-meta-row dt {
    font-weight: 500;
    min-width: 3em;
    color: #888;
}

/* サマリー */
.concert-summary {
    padding: 3rem calc(50% - 480px + 2rem);
    border: 1px solid #e0e0e0;
    display: flex;
    align-items: center;
    gap: 3rem;
}

.concert-summary-info {
    flex: 1;
}

.concert-summary-name {
    font-size: 1.2rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    margin-bottom: 1.5rem;
}

.concert-summary-flyer {
    flex-shrink: 0;
    width: 180px;
}

.concert-summary-flyer img {
    width: 100%;
    display: block;
    outline: 0.1px solid #e0e0e0;
}

/* ===== Concert entrance overlay ===== */
#concert-overlay {
    position: fixed;
    inset: 0;
    background: #fff;
    z-index: var(--z-concert);
    transition: opacity 0.5s ease;
    pointer-events: none; /* ロード完了前もスクロール可 */
}
#concert-overlay.is-gone {
    opacity: 0;
}

/* =====================
   ARCHIVE LIST PAGE
   ===================== */
.archive-page {
    width: 100%;
    padding: 4rem 6rem 6rem;
}

.archive-page-inner {
    max-width: 1400px;
    margin: 0 auto;
}

.archive-no-content {
    font-size: 0.9rem;
    color: #888;
    margin-top: 2rem;
}

.archive-competition-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1.5rem;
    font-size: 0.9rem;
}


.archive-competition-table .col-date     { width: 7rem; }
.archive-competition-table .col-name     { width: 22rem; }
.archive-competition-table .col-category { width: auto; }
.archive-competition-table .col-result   { width: 6rem; white-space: nowrap; }

.archive-competition-row {
    cursor: pointer;
    transition: background-color 0.15s;
}

.archive-competition-row:hover {
    background-color: #f7f7f7;
}

.archive-competition-row td {
    padding: 0.9rem 1rem;
    border-bottom: 1px solid #f0f0f0;
    vertical-align: middle;
    line-height: 1.5;
}

.archive-competition-row .col-date {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.8rem;
    color: #888;
    white-space: nowrap;
}

.archive-competition-row .col-name a {
    color: inherit;
    text-decoration: none;
    font-weight: 500;
}

.archive-competition-row:hover .col-name a {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.archive-competition-row .col-category {
    color: #555;
    text-align: left;
}

.archive-competition-row .col-result {
    color: #555;
    text-align: right;
}

.archive-section {
    margin-bottom: 5rem;
}

.archive-section-heading {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    color: #555;
    margin-bottom: 2rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid #e0e0e0;
}

.archive-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    margin-top: 0;
}

.archive-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.archive-card:hover .archive-card-image {
    opacity: 0.85;
}

.archive-card-image {
    width: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 1 / 1.414;
    margin-bottom: 1rem;
    transition: opacity 0.2s;
    outline: 0.1px solid #e0e0e0;
}

.archive-card-image--placeholder {
    background: #e8e8e8;
}

.archive-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 0.35rem;
    text-align: center;
}

.archive-card-date {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    color: #888;
    letter-spacing: 0.12em;
    text-align: center;
}

/* =====================
   ARCHIVE DETAIL PAGE
   ===================== */
.archive-detail-page {
    width: 100%;
    padding: 4rem 6rem 6rem;
}

.archive-detail-inner {
    max-width: 960px;
    margin: 0 auto;
}

.archive-detail-back {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    margin-bottom: 2.5rem;
}

.archive-detail-back a {
    color: #888;
    text-decoration: none;
    transition: color 0.15s;
}

.archive-detail-back a:hover {
    color: var(--color-text);
}

.archive-detail-header {
    display: flex;
    gap: 3rem;
    align-items: flex-start;
    margin-bottom: 4rem;
}

.archive-detail-info {
    flex: 1;
}

.archive-detail-title {
    font-size: 1.5rem;
    font-weight: 600;
    line-height: 1.6;
    letter-spacing: 0.04em;
    margin-bottom: 2rem;
}

.archive-detail-meta {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.archive-detail-meta--compact {
    gap: 0rem;
}

.archive-detail-meta-space {
    margin-top: 0.8rem;
}

.archive-detail-meta-row {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    line-height: 1.7;
}

.archive-detail-meta-row dt {
    font-weight: 600;
    color: #555;
    white-space: nowrap;
    min-width: 3em;
}

.archive-detail-meta-row dd {
    color: var(--color-text);
}

.archive-detail-flyer {
    width: 200px;
    flex-shrink: 0;
}

.archive-detail-flyer img {
    width: 100%;
    display: block;
    object-fit: cover;
    outline: 0.1px solid #e0e0e0;
}

/* =====================
   LIGHTBOX
   ===================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: var(--z-lightbox);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

.lightbox.is-open {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
}

.lightbox-img {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    object-fit: contain;
    outline: 0.1px solid #e0e0e0;
    transform: scale(0.96);
    transition: transform 0.25s ease;
}

.lightbox.is-open .lightbox-img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 1.2rem;
    right: 1.5rem;
    z-index: var(--z-base);
    background: none;
    border: none;
    color: #fff;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.15s;
}

.lightbox-close:hover {
    opacity: 1;
}

.archive-detail-programs-heading {
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    margin-bottom: 2rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid #e0e0e0;
}

.archive-stage {
    margin-bottom: 2.5rem;
}

.archive-stage-heading {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 0.3rem;
}

.archive-stage-title {
    font-weight: 400;
}

.archive-stage-composer {
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 0.8rem;
}

.archive-pieces {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.8rem;
}

.archive-piece {
    display: flex;
    align-items: baseline;
    gap: 1rem;
    font-size: 0.9rem;
    padding: 0.4rem 0;
    border-bottom: 1px solid #d8d8d8;
}

.archive-piece-title-composer {
    flex: 1;
    line-height: 1.6;
    display: flex;
    align-items: center;
}

.archive-piece-yt {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
    color: inherit;
    text-decoration: none;
}

.archive-piece-yt:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.archive-piece-yt-icon {
    width: 1.4rem;
    height: 1rem;
    color: var(--color-text);
    transition: opacity 0.2s;
}

.archive-piece-yt:hover .archive-piece-yt-icon {
    opacity: 0.75;
}

.archive-piece-composer {
    font-size: 0.85em;
    color: #888;
    margin-left: 0.4rem;
}

.archive-piece-meta {
    font-size: 0.78rem;
    color: #888;
    white-space: nowrap;
    font-family: var(--font-sans);
    font-weight: 100;
    letter-spacing: 0.05em;
}

/* =====================
   FOOTER
   ===================== */
.site-footer {
    width: 100%;
    padding: 2rem 6rem;
    background: var(--color-text);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    margin-top: auto;
}

.footer-logo img {
    height: 32px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    opacity: 0.6;
}

.footer-sns {
    display: flex;
    justify-content: center;
    gap: 1.6rem;
    margin-bottom: 1.5rem;
}

.footer-sns-link {
    display: inline-flex;
    align-items: center;
    opacity: 0.5;
    transition: opacity 0.2s;
}

.footer-sns-link:hover {
    opacity: 1;
}

.footer-sns-link svg {
    width: 1.1rem;
    height: 1.1rem;
    fill: #fff;
}

.footer-copy {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.7rem;
    letter-spacing: 0.12em;
    color: rgba(255,255,255,0.4);
}

.footer-privacy {
    font-size: 0.75rem;
    margin-top: 0.4rem;
}

.footer-privacy a {
    color: #fff;
    text-decoration: underline;
    opacity: 0.7;
}

.footer-privacy a:hover {
    opacity: 1;
}

.footer-member {
    font-size: 0.75rem;
    margin-top: 0.4rem;
}

.footer-member a {
    color: #fff;
    text-decoration: underline;
    opacity: 0.4;
}

.footer-member a:hover {
    opacity: 0.7;
}

/* =====================
   JOIN PAGE
   ===================== */
.join-page {
    width: 100%;
    padding: 4rem 0 8rem;
}

.join-inner {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 6rem;
}

.join-heading {
    font-size: clamp(1.6rem, 2.5vw, 2.4rem);
    font-weight: 700;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.join-lead {
    font-size: 1rem;
    color: #444;
    line-height: 1.8;
    margin-bottom: 4rem;
}

.join-section {
    margin-bottom: 3.5rem;
}

.join-section--contact {
    border-top: 1px solid #e0e0e0;
    padding-top: 3.5rem;
    text-align: center;
}

.join-subheading {
    font-family: var(--font-sans);
    font-weight: 100;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: #888;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.join-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.join-list li {
    padding-left: 1.2em;
    position: relative;
    font-size: 0.95rem;
    line-height: 1.8;
    color: #333;
}

.join-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: #aaa;
}

.join-steps {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    counter-reset: step-counter;
}

.join-step {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f0f0f0;
    counter-increment: step-counter;
}

.join-step:first-child {
    border-top: 1px solid #f0f0f0;
}

.join-step::before {
    content: counter(step-counter, decimal-leading-zero);
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.1rem;
    color: #bbb;
    flex-shrink: 0;
    width: 2rem;
}

.join-step-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text);
    flex-shrink: 0;
    min-width: 10rem;
}

.join-step-desc {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.7;
    margin: 0;
}

.join-dl {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.join-dl-row {
    display: flex;
    gap: 2rem;
    font-size: 0.95rem;
    line-height: 1.7;
}

.join-dl-row dt {
    color: #888;
    flex-shrink: 0;
    min-width: 4rem;
}

.join-dl-row dd {
    color: #333;
    margin: 0;
}

.join-note {
    font-size: 0.85rem;
    color: #888;
    margin-top: 0.8rem;
}

.join-contact-text {
    font-size: 1rem;
    color: #444;
    line-height: 1.9;
    margin-bottom: 2rem;
}

.join-section--images {
    margin-top: 5rem;
    margin-bottom: 0;
}

.join-img {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* =====================
   SP NAV OVERLAY（PCでは非表示）
   ===================== */
.menu-sp-bar        { display: none; }
.sp-nav-overlay     { display: none; }

/* =====================
   SMARTPHONE (≤768px)
   ===================== */
@media (max-width: 768px) {

    /* --- 全体 --- */
    html {
        scroll-behavior: smooth;
        overflow-x: hidden;
    }

    body {
        min-width: 0;
        overflow-x: hidden;
        padding-top: 60px;
        padding-top: calc(60px + env(safe-area-inset-top));
    }

    /* --- ヘッダー --- */
    .menu {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 60px;
        z-index: var(--z-nav);
        background: rgba(255, 255, 255, 0.75);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 0.5px solid rgba(0, 0, 0, 0.08);
        transition: transform 0.3s ease;
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
    }

    .menu.is-hidden {
        transform: translateY(-100%);
    }

    /* オーバーレイヘッダー（concertページ）もSPではガラス固定 */
    .menu--overlay {
        position: fixed;
        background: rgba(255, 255, 255, 0.75);
    }

    .menu-left,
    .menu-right,
    .menu-center {
        display: none;
    }

    .menu-sp-bar {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        width: 100%;
        padding: 0 1.25rem;
        position: relative;
    }

    .menu-sp-logo-link {
        position: absolute;
        left: 1.25rem;
        top: 50%;
        transform: translateY(-50%);
    }

    .menu-sp-logo-link img {
        height: 38px;
        width: auto;
        display: block;
    }

    /* --- ハンバーガーボタン --- */
    .menu-sp-hamburger {
        position: relative;
        width: 44px;
        height: 44px;
        background: none;
        border: none;
        cursor: pointer;
        padding: 0;
        flex-shrink: 0;
    }

    .hamburger-line {
        position: absolute;
        left: 50%;
        top: 50%;
        width: 22px;
        height: 1.5px;
        background: var(--color-text);
        border-radius: 2px;
        margin-left: -11px;
        margin-top: -0.75px;
        transform-origin: center;
        transition: transform 0.3s ease;
    }

    .hamburger-line:nth-child(1) { transform: translateY(-5px); }
    .hamburger-line:nth-child(2) { transform: translateY(5px); }

    .menu-sp-hamburger.is-open .hamburger-line:nth-child(1) { transform: rotate(45deg); }
    .menu-sp-hamburger.is-open .hamburger-line:nth-child(2) { transform: rotate(-45deg); }

    /* --- SP ナビオーバーレイ --- */
    .sp-nav-overlay {
        display: flex;
        position: fixed;
        inset: 0;
        z-index: var(--z-overlay);
        background: #fff;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 80px;
        opacity: 0;
        pointer-events: none;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
        padding-bottom: env(safe-area-inset-bottom);
    }

    .sp-nav-overlay.is-open {
        opacity: 1;
        pointer-events: auto;
        visibility: visible;
    }

    .sp-nav-links {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .sp-nav-links a {
        font-family: var(--font-sans);
        font-weight: 200;
        font-size: 1.1rem;
        letter-spacing: 0.15em;
        color: #000;
        text-decoration: none;
    }

    /* === HOME ページ === */

    .hero {
        margin-top: 0;
        height: 50vh;
        max-height: none;
    }

    .hero img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: center;
        flex-shrink: unset;
    }

    .concert {
        flex-direction: column;
    }

    .concert-left,
    .concert-right {
        width: 100%;
    }

    .concert-right {
        padding: 2.5rem 1.25rem;
    }

    .concert-flyer-wrapper {
        max-width: 200px;
        margin: 0 auto;
    }

    .news {
        padding: 3rem 1.25rem;
    }

    .news-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .join {
        flex-direction: column;
    }

    .join-left {
        width: 100%;
    }

    .join-left img {
        height: auto;
        min-height: unset;
    }

    .join-right {
        width: 100%;
        padding: 2.5rem 1.25rem;
    }

    .archive {
        flex-direction: column;
        padding: 3rem 1.25rem;
    }

    .archive-flyer {
        width: 160px;
        margin: 0 auto;
    }

    .btn-archive {
        display: block;
        width: fit-content;
        margin: 0 auto;
    }

    .schedule {
        padding: 3rem 1.25rem;
    }

    .schedule-table {
        font-size: 0.75rem;
        min-width: 560px;
    }

    .contact-section {
        flex-direction: column;
        padding: 3rem 1.25rem;
        gap: 1.5rem;
        text-align: center;
    }

    .contact-section .section-heading {
        margin-bottom: 1rem;
    }

    /* === ABOUT ページ === */

    .about-inner {
        padding: 0 1.25rem;
    }

    .about-block--intro,
    .about-block--logo,
    .about-block--conductor-text {
        grid-template-columns: 1fr;
        transform: none;
    }

    .about-block--logo .about-img--logo { order: 2; }
    .about-block--logo .about-text--logo { order: 1; }

    .about-block--images1,
    .about-block--images2,
    .about-block--images-bottom {
        flex-direction: column;
        align-items: center;
        margin-bottom: 3rem;
    }

    .about-img,
    .about-img--intro,
    .about-img--logo,
    .about-img--conductor,
    .about-img--c1,
    .about-img--c2,
    .about-img--c3,
    .about-img--c4,
    .about-img--images-bottom {
        transform: none;
        display: flex;
        justify-content: center;
        width: 100%;
        flex: unset;
        aspect-ratio: unset;
    }

    .about-img img {
        max-width: 100%;
        height: auto;
        object-fit: initial;
    }

    .about-img--c2 {
        aspect-ratio: 4 / 5;
        overflow: hidden;
    }

    .about-img--c2 img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    /* === JOIN ページ === */

    .join-inner {
        padding: 0 1.25rem;
    }

    /* === PRIVACY ページ === */

    .privacy-page {
        padding: 3rem 1.25rem 4rem;
    }

    .join-step {
        flex-wrap: wrap;
    }

    /* === CONCERT ページ === */

    .concert-page .concert-upper {
        flex-direction: column;
    }

    .concert-body {
        padding: 2rem 1.25rem 4rem;
    }

    .concert-kv {
        padding: 3rem 5rem;
    }

    .concert-kv-img {
        flex: 1 1 25%;
    }

    .concert-kv-img:nth-child(2),
    .concert-kv-img:nth-child(3),
    .concert-kv-img:nth-child(4) {
        transform: none;
    }

    .concert-stage,
    .concert-stage--even {
        grid-template-columns: 1fr;
    }

    .concert-stage--even .concert-stage-info   { order: 1; }
    .concert-stage--even .concert-stage-pieces { order: 2; }

    .concert-summary {
        flex-direction: column;
    }

    .concert-summary-flyer {
        width: 140px;
        margin: 0 auto;
    }

    /* === NEWS ページ === */

    .news-page {
        padding: 2rem 1.25rem 4rem;
    }

    .news-page-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* === NEWS DETAIL ページ === */

    .news-detail-inner {
        padding: 0 1.25rem;
    }

    /* === ARCHIVE ページ === */

    .archive-page {
        padding: 2rem 1.25rem 4rem;
    }

    .archive-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .archive-competition-table {
        font-size: 0.8rem;
    }

    .archive-competition-table .col-category {
        display: none;
    }

    .archive-competition-table {
        table-layout: fixed;
        width: 100%;
    }

    .archive-competition-table .col-date        { width: 5.5rem; }
    .archive-competition-table .col-name        { width: auto; }
    .archive-competition-table .col-result      { white-space: normal; overflow-wrap: break-word; }

    /* === ARCHIVE DETAIL ページ === */

    .archive-detail-page {
        padding: 3rem 1.25rem 4rem;
    }

    .archive-detail-inner {
        padding: 0;
    }

    .archive-detail-flyer {
        margin: 0 auto;
    }

    .archive-detail-header {
        flex-direction: column;
    }

    /* === CONTACT ページ === */

    .contact-page {
        padding: 3rem 1.25rem 4rem;
    }

    .contact-page-inner {
        padding: 0;
    }

    .form-input,
    .form-select,
    .form-textarea {
        font-size: 1rem;
    }

    .form-submit-btn {
        width: 100%;
        min-height: 44px;
    }

    /* === フッター === */

    .site-footer {
        padding-bottom: env(safe-area-inset-bottom);
    }

    .footer-privacy {
        margin-bottom: 0;
    }

    .footer-member {
        margin-bottom: 1.5rem;
    }

    .archive-piece {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.2rem;
    }

    .archive-piece-meta {
        white-space: normal;
    }
}