/* ========================================
   基本設定
======================================== */

:root {
    --color-background: #ffffff;
    --color-background-subtle: #f6f6f6;
    --color-background-dark: #222222;

    --color-text: #222222;
    --color-text-subtle: #666666;
    --color-text-light: #ffffff;

    --color-border: #d8d8d8;
    --color-border-dark: #999999;

    --color-primary: #222222;
    --color-primary-hover: #444444;

    --color-error: #a82626;
    --color-error-background: #fff5f5;

    --container-width: 1120px;
    --container-padding: 24px;

    --font-family-base:
        -apple-system,
        BlinkMacSystemFont,
        "Helvetica Neue",
        "Yu Gothic",
        "YuGothic",
        "Hiragino Kaku Gothic ProN",
        "Hiragino Sans",
        Meiryo,
        sans-serif;

    --transition-speed: 0.2s;
}


/* ========================================
   リセット
======================================== */

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

html {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    min-width: 320px;
    margin: 0;
    padding: 0;

    color: var(--color-text);
    background: var(--color-background);

    font-family: var(--font-family-base);
    font-size: 1rem;
    line-height: 1.8;

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

body.is-modal-open {
    overflow: hidden;
}


/* ========================================
   基本要素
======================================== */

h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
    margin-top: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    line-height: 1.4;
}

ul,
ol {
    margin-top: 0;
}

a {
    color: inherit;
    text-decoration-thickness: 1px;
    text-underline-offset: 3px;
}

a:hover {
    text-decoration: none;
}

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

button,
input,
select,
textarea {
    margin: 0;
    color: inherit;
    font: inherit;
}

button {
    border: 0;
}

button:not(:disabled),
select:not(:disabled),
input[type="checkbox"]:not(:disabled),
input[type="radio"]:not(:disabled) {
    cursor: pointer;
}

button:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

input,
select,
textarea {
    border-radius: 0;
}

input[type="search"] {
    appearance: none;
    -webkit-appearance: none;
}

input[type="search"]::-webkit-search-cancel-button {
    cursor: pointer;
}

fieldset {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

legend {
    padding: 0;
}

[hidden] {
    display: none !important;
}


/* ========================================
   アクセシビリティ
======================================== */

.visually-hidden {
    position: absolute !important;

    width: 1px !important;
    height: 1px !important;
    margin: -1px !important;
    padding: 0 !important;

    overflow: hidden !important;

    clip: rect(0 0 0 0) !important;
    clip-path: inset(50%) !important;

    border: 0 !important;

    white-space: nowrap !important;
}

:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 3px;
}

::selection {
    color: var(--color-text-light);
    background: var(--color-text);
}


/* ========================================
   共通コンテナ
======================================== */

.site-header__inner,
.site-footer__inner,
.archive-container {
    width: min(
        var(--container-width),
        calc(100% - var(--container-padding) * 2)
    );
    margin-right: auto;
    margin-left: auto;
}


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

.site-header {
    position: relative;
    z-index: 1000;

    width: 100%;
    padding: 18px 0;

    background: #ffb300;
}

.site-header__inner {
    position: relative;

    display: flex;
    align-items: center;
    justify-content: space-between;

    width: min(
        var(--container-width),
        calc(100% - var(--container-padding) * 2)
    );
    min-height: 76px;
    margin-right: auto;
    margin-left: auto;
    gap: 28px;
}

.site-header__logo {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;

    min-height: 76px;
    padding: 10px 18px;

    color: #111111;
    background: #ffffff;

    text-decoration: none;
}

.site-header__logo-mark {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;

    margin-right: 17px;
}


.site-header__logo-image {
    display: block;
    width: auto;
    height: 52px;
    object-fit: contain;
}

.site-header__logo-letter {
    position: relative;

    color: #083a8c;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 2.65rem;
    font-weight: 900;
    line-height: 1;
}

.site-header__logo-letter::after {
    position: absolute;
    top: -5px;
    right: 2px;

    width: 9px;
    height: 9px;

    border-radius: 50%;
    background: #f05a1a;

    content: "";
}

.site-header__logo-subtext {
    display: flex;
    flex-direction: column;

    margin-left: 3px;

    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.48rem;
    line-height: 1.2;
}

.site-header__logo-subtext span:first-child {
    color: #083a8c;
}

.site-header__logo-subtext span:last-child {
    color: #f05a1a;
}

.site-header__name {
    font-size: clamp(1rem, 1.65vw, 1.45rem);
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.site-header__menu-button {
    display: none;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;

    width: 52px;
    height: 52px;
    padding: 0;

    background: transparent;
}

.site-header__menu-icon {
    display: flex;
    flex-direction: column;

    width: 28px;
    gap: 7px;
}

.site-header__menu-icon span {
    display: block;

    width: 100%;
    height: 3px;

    background: #111111;

    transition:
        transform var(--transition-speed),
        opacity var(--transition-speed);
}


/* ========================================
   グローバルナビゲーション
======================================== */

.global-navigation {
    margin-left: auto;
}

.global-navigation__list {
    display: flex;
    align-items: center;

    margin: 0;
    padding: 0;

    gap: 24px;

    list-style: none;
}

.global-navigation__item a {
    position: relative;

    display: inline-block;
    padding: 8px 0;

    color: #111111;

    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-decoration: none;
}

.global-navigation__item a::after {
    position: absolute;
    right: 0;
    bottom: 3px;
    left: 0;

    height: 2px;

    background: #111111;

    content: "";

    transform: scaleX(0);
    transform-origin: right center;

    transition: transform var(--transition-speed);
}

.global-navigation__item a:hover::after,
.global-navigation__item a[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left center;
}


/* ========================================
   メインコンテンツ
======================================== */

.archive-main {
    min-height: 60vh;
    padding: 44px 0 96px;
}


/* ========================================
   パンくずリスト
======================================== */

.breadcrumb {
    margin-bottom: 46px;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;

    margin: 0;
    padding: 0;

    gap: 8px;

    color: var(--color-text-subtle);

    font-size: 0.78rem;
    list-style: none;
}

.breadcrumb__item {
    display: inline-flex;
    align-items: center;
}

.breadcrumb__item:not(:last-child)::after {
    margin-left: 8px;

    content: "/";
}

.breadcrumb__item a {
    color: inherit;
}


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

.site-footer {
    padding: 52px 0 32px;

    color: var(--color-text-light);
    background: var(--color-background-dark);
}

.footer-navigation {
    margin-bottom: 32px;
}

.footer-navigation__list {
    display: flex;
    flex-wrap: wrap;

    margin: 0;
    padding: 0;

    gap: 12px 28px;

    list-style: none;
}

.footer-navigation__list a {
    color: inherit;
    font-size: 0.82rem;
}

.site-footer__copyright {
    margin: 0;

    color: #c8c8c8;

    font-size: 0.75rem;
}


/* ========================================
   共通メッセージ
======================================== */

.archive-message {
    margin: 32px 0;
    padding: 28px;

    border: 1px solid var(--color-border);
    background: var(--color-background-subtle);

    text-align: center;
}

.archive-message p:last-child {
    margin-bottom: 0;
}

.archive-message--error {
    color: var(--color-error);
    border-color: #e5bcbc;
    background: var(--color-error-background);
}

.archive-message__title {
    margin-bottom: 12px;

    font-size: 1.1rem;
}


/* ========================================
   モーション低減設定
======================================== */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ========================================
   ハンバーガーメニュー
======================================== */

@media screen and (max-width: 900px) {
    .site-header {
        padding: 14px 0;
    }

    .site-header__inner {
        min-height: 70px;
    }

    .site-header__logo {
        min-width: 0;
        min-height: 70px;
        padding: 9px 14px;
    }

    .site-header__name {
        overflow: hidden;

        font-size: clamp(0.82rem, 2.8vw, 1.2rem);
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .site-header__menu-button {
        position: relative;
        z-index: 1002;

        display: flex;
    }

    .global-navigation {
        position: absolute;
        z-index: 1001;
        top: calc(100% + 14px);
        right: calc(var(--container-padding) * -1);
        left: calc(var(--container-padding) * -1);

        display: none;

        width: auto;
        margin: 0;

        border-top: 1px solid rgba(0, 0, 0, 0.12);
        border-bottom: 1px solid var(--color-border);

        background: var(--color-background);
    }

    .global-navigation.is-open {
        display: block;
    }

    .global-navigation__list {
        display: block;

        width: min(
            var(--container-width),
            calc(100% - var(--container-padding) * 2)
        );
        margin: 0 auto;
        padding: 12px 0 24px;
    }

    .global-navigation__item {
        margin: 0;

        border-bottom: 1px solid var(--color-border);
    }

    .global-navigation__item:first-child {
        border-top: 1px solid var(--color-border);
    }

    .global-navigation__item a {
        display: flex;
        align-items: center;

        width: 100%;
        min-height: 52px;
        padding: 10px 4px;
    }

    .global-navigation__item a::after {
        display: none;
    }

    .global-navigation__item a:hover {
        background: #fff7df;
    }

    .site-header__menu-button[aria-expanded="true"]
        .site-header__menu-icon span:nth-child(1) {
        transform: translateY(10px) rotate(45deg);
    }

    .site-header__menu-button[aria-expanded="true"]
        .site-header__menu-icon span:nth-child(2) {
        opacity: 0;
    }

    .site-header__menu-button[aria-expanded="true"]
        .site-header__menu-icon span:nth-child(3) {
        transform: translateY(-10px) rotate(-45deg);
    }
}

@media screen and (max-width: 560px) {
    :root {
        --container-padding: 12px;
    }

    .site-header {
        padding: 10px 0;
    }

    .site-header__inner {
        min-height: 60px;
        gap: 10px;
    }

    .site-header__logo {
        min-height: 60px;
        padding: 8px 10px;
    }

    .site-header__logo-mark {
        margin-right: 9px;
    }

    .site-header__logo-letter {
        font-size: 2rem;
    }

    .site-header__logo-letter::after {
        top: -4px;
        width: 7px;
        height: 7px;
    }

    .site-header__logo-subtext {
        font-size: 0.4rem;
    }

    .site-header__name {
        font-size: clamp(0.68rem, 3.3vw, 0.9rem);
        letter-spacing: 0.01em;
    }

    .site-header__menu-button {
        width: 44px;
        height: 44px;
    }

    .site-header__menu-icon {
        width: 26px;
        gap: 6px;
    }

    .global-navigation {
        top: calc(100% + 10px);
    }
}

@media screen and (min-width: 901px) {
    .global-navigation {
        display: block;
    }
}

body.is-navigation-open {
    overflow: hidden;
}

/* ==========================================
   検索・絞り込み・ソートエリア
========================================== */

.archive-toolbar{
    display:flex;
    align-items:center;
    gap:18px;
    margin:36px 0 44px;
    padding:14px 18px;
    border:2px solid #dcc4ae;
    border-radius:22px;
    background:#fffdfb;
    box-shadow:0 12px 28px rgba(75,45,25,.08),0 0 0 1px rgba(220,196,174,.25);
}

/* ---------- 検索 ---------- */

.search-area{
    flex:1;
    position:relative;
}

.search-area input{
    width:100%;
    height:54px;
    padding:0 20px 0 6px;

    border:1px solid #dddddd;
    border-radius:16px;

    background:#ffffff;

    font-size:15px;
    transition:.25s;
}

.search-area input::placeholder{
    color:#999;
    padding-left:0;
}

.search-area input:focus{
    outline:none;
    border-color:#ff7a00;
    box-shadow:0 0 0 4px rgba(255,122,0,.12);
}

.search-area .search-icon{
    position:absolute;
    left:20px;
    top:50%;
    transform:translateY(-50%);

    color:#ff7a00;
    font-size:20px;
}

/* ---------- 絞り込みボタン ---------- */

.filter-button{
    height:54px;
    padding:0 24px;

    display:flex;
    align-items:center;
    gap:10px;

    border:1px solid #dddddd;
    border-radius:16px;

    background:#ffffff;

    cursor:pointer;
    transition:.25s;

    white-space:nowrap;
}

.filter-button:hover{
    border-color:#ff7a00;
    background:#fff7f0;
    box-shadow:0 3px 12px rgba(255,122,0,.12);
}

/* ---------- ソート ---------- */

.sort-area{
    min-width:250px;
}

.sort-area select{
    width:100%;
    height:54px;

    padding:0 18px;

    border:1px solid #dddddd;
    border-radius:16px;

    background:#ffffff;

    font-size:15px;
    cursor:pointer;
    transition:.25s;
}

.sort-area select:hover{
    border-color:#ff7a00;
}

.sort-area select:focus{
    outline:none;
    border-color:#ff7a00;
    box-shadow:0 0 0 4px rgba(255,122,0,.12);
}

/* ==========================================
   スマホ
========================================== */

@media (max-width:768px){

    .archive-toolbar{

        flex-direction:column;

        align-items:stretch;

        gap:14px;
    }

    .search-area{

        width:100%;
    }

    .filter-button{

        width:100%;
        justify-content:center;
    }

    .sort-area{

        width:100%;
        min-width:0;
    }

    .sort-area select{

        width:100%;
    }

}

.filter-button{
    position:relative;
    font-weight:700;
}

.filter-button .count{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:22px;
    height:22px;
    border-radius:50%;
    background:#ff7a00;
    color:#fff;
    font-size:.72rem;
    font-weight:700;
}

.filter-button:hover,
.sort-area select:hover{
    transform:translateY(-2px);
    box-shadow:0 10px 24px rgba(0,0,0,.08);
}


/* ========================================
   フッター（本サイト準拠）
======================================== */

.site-footer{
    padding:38px 20px 30px;
    background:#faf9fb;
    border-top:1px solid #ececec;
    color:#7b7b7b;
    text-align:center;
}

.site-footer__inner{width:min(100%,1040px);margin:0 auto;}
.site-footer__top-link{margin:0 0 18px;}
.site-footer__top-link a{color:#777;font-size:.9rem;text-decoration:none;}
.site-footer__top-link a:hover{color:#f47a24;text-decoration:underline;}
.site-footer__rule{display:none;}
.site-footer__copyright{margin:0 0 9px;color:#808080;font-size:.9rem;line-height:1.55;}
.footer-navigation{margin:0;}
.footer-navigation+.footer-navigation{margin-top:1px;}
.footer-navigation__list{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;margin:0;padding:0;list-style:none;gap:0;}
.footer-navigation__list li{display:flex;align-items:center;}
.footer-navigation__list li:not(:last-child)::after{content:"|";margin:0 6px;color:#bfbfbf;}
.footer-navigation__list a{color:#7d7d7d;font-size:.9rem;line-height:1.7;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px;transition:color .2s ease;}
.footer-navigation__list a:hover{color:#f47a24;}
@media (max-width:600px){
.site-footer{padding:32px 16px 26px;}
.site-footer__copyright,.footer-navigation__list a{font-size:.82rem;}
.footer-navigation__list li:not(:last-child)::after{margin:0 4px;}
}

/* キーワード入力 */
.search-area{
    padding: 0;
    border: none;
    background: transparent;
    box-shadow: none;
}

.archive-keyword__input,
.filter-text-input{
    width: 100%;
    padding: 12px 22px;
    border: 1px solid #eadfd4;
    border-radius: 999px;
    background: #fffdfb;
    font-size: 15px;
    transition: .2s;
    box-shadow: none;
}

.archive-keyword__input:hover,
.filter-text-input:hover{
    border-color: #dcc7b0;
}

/* キーワード入力文字を左端寄りに配置 */
.archive-keyword__input {
    padding-left: 12px;
}

.archive-keyword__input::placeholder {
    padding-left: 0;
}

.archive-keyword__input:focus,
.filter-text-input:focus{
    outline: none;
    border-color: #d9a97b;
    background: #ffffff;
    box-shadow: 0 0 0 4px rgba(217,169,123,.12);
}


/* ========================================
   ヘッダーロゴ（画像一体型）
======================================== */

.site-header__logo{
    display:flex;
    align-items:center;
    flex-shrink:0;
    min-height:auto;
    padding:0;
    background:transparent;
    text-decoration:none;
}

.site-header__logo-image-full{
    display:block;
    width:min(440px,100%);
    margin:0;
    height:auto;
}

.site-header__logo-mark,
.site-header__name,
.site-header__logo-letter,
.site-header__logo-subtext{
    display:none;
}

@media (max-width:900px){
    .site-header__logo{
        padding:0;
        min-height:auto;
    }

    .site-header__logo-image-full{
        width:360px;
    }
}

@media (max-width:560px){
    .site-header__logo{
        padding:0;
        min-height:auto;
    }

    .site-header__logo-image-full{
        width:100%;
        max-width:240px;
    }
}

/* ========================================
   ヘッダー最終調整
   ロゴ・ナビゲーションのはみ出し防止
   オレンジ帯の高さ調整
======================================== */

.site-header {
    position: relative;
    z-index: 1000;
    width: 100%;
    padding: 8px 0;
    overflow: visible;
    background: #ffb300;
}

.site-header__inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    width: min(
        var(--container-width),
        calc(100% - var(--container-padding) * 2)
    );
    min-width: 0;
    min-height: 52px;
    margin-right: auto;
    margin-left: auto;
    gap: 20px;
    overflow: visible;
}

.site-header__logo {
    display: flex;
    align-items: center;
    flex: 0 1 440px;
    min-width: 0;
    min-height: 0;
    margin: 0;
    padding: 0;
    background: transparent;
    text-decoration: none;
}

.site-header__logo-image-full {
    display: block;
    width: 100%;
    max-width: 440px;
    height: auto;
    margin: 0;
    object-fit: contain;
}

.site-header__logo-mark,
.site-header__name,
.site-header__logo-letter,
.site-header__logo-subtext {
    display: none;
}

.global-navigation {
    flex: 1 1 auto;
    min-width: 0;
    margin-left: auto;
}

.global-navigation__list {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    justify-content: flex-end;
    min-width: 0;
    gap: clamp(12px, 1.5vw, 24px);
}

.global-navigation__item {
    flex: 0 0 auto;
}

.global-navigation__item a {
    white-space: nowrap;
}

/* PC幅が狭い場合 */
@media screen and (max-width: 1180px) and (min-width: 901px) {
    .site-header__inner {
        gap: 14px;
    }

    .site-header__logo {
        flex-basis: 360px;
    }

    .site-header__logo-image-full {
        max-width: 360px;
    }

    .global-navigation__list {
        gap: 12px;
    }

    .global-navigation__item a {
        font-size: 0.78rem;
        letter-spacing: 0.02em;
    }
}

/* 900px以下ではハンバーガーメニューへ切り替える */
@media screen and (max-width: 900px) {
    .site-header {
        padding: 6px 0;
        overflow: visible;
    }

    .site-header__inner {
        min-height: 48px;
        gap: 16px;
        overflow: visible;
    }

    .site-header__logo {
        flex: 1 1 auto;
        max-width: 360px;
        min-width: 0;
        min-height: 0;
        padding: 0;
    }

    .site-header__logo-image-full {
        width: 100%;
        max-width: 360px;
    }

    .site-header__menu-button {
        position: relative;
        z-index: 1002;
        display: flex;
        flex: 0 0 48px;
        width: 48px;
        height: 48px;
        margin-left: auto;
    }

    .global-navigation {
        position: absolute;
        z-index: 1001;
        top: calc(100% + 6px);
        right: calc(var(--container-padding) * -1);
        left: calc(var(--container-padding) * -1);
        display: none;
        width: auto;
        min-width: 0;
        margin: 0;
        background: var(--color-background);
    }

    .global-navigation.is-open {
        display: block;
    }

    .global-navigation__list {
        display: block;
        width: min(
            var(--container-width),
            calc(100% - var(--container-padding) * 2)
        );
        margin: 0 auto;
        padding: 12px 0 24px;
    }

    .global-navigation__item a {
        white-space: normal;
    }
}

@media screen and (max-width: 560px) {
    .site-header {
        padding: 4px 0;
    }

    .site-header__inner {
        min-height: 44px;
        gap: 10px;
    }

    .site-header__logo {
        max-width: calc(100% - 50px);
        min-height: 0;
        padding: 0;
    }

    .site-header__logo-image-full {
        width: 100%;
        max-width: 240px;
    }

    .site-header__menu-button {
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
    }

    .global-navigation {
        top: calc(100% + 4px);
    }
}

/* ===== ご注意 ===== */

.notice-section{
    width:min(var(--container-width),calc(100% - var(--container-padding) * 2));
    margin:0 auto;
    padding:10px 0 28px;
}

.notice-toggle-button{
    position:relative;
    display:flex;
    align-items:center;
    width:100%;
    min-height:52px;
    padding:12px 52px 12px 20px;
    border:1px solid #ead8c8;
    border-left:4px solid #e7863e;
    border-radius:12px;
    background:#fffaf6;
    color:#625b55;
    font-size:.9rem;
    font-weight:600;
    text-align:left;
    box-shadow:0 5px 16px rgba(85,55,35,.05);
    transition:.2s;
}

.notice-toggle-button::before{
    content:"※";
    margin-right:10px;
    color:#d97027;
    font-weight:700;
}

.notice-toggle-button::after{
    content:"+";
    position:absolute;
    right:20px;
    top:50%;
    transform:translateY(-50%);
    font-size:1.2rem;
    color:#b8794b;
}

.notice-toggle-button[aria-expanded="true"]::after{
    content:"−";
}

.notice-toggle-button:hover{
    background:#fff6ef;
    border-color:#dfb28e;
    border-left-color:#db7229;
    color:#c26425;
}

.notice-panel{
    margin-top:10px;
    padding:24px 26px;
    border:1px solid #eadfd6;
    border-radius:12px;
    background:#fffdfb;
    color:#625e5a;
    box-shadow:0 8px 22px rgba(70,45,30,.05);
}

.notice-panel p{
    margin:0;
    font-size:.86rem;
    line-height:1.9;
}

.notice-panel p+p{
    margin-top:14px;
}

@media (max-width:700px){
    .notice-toggle-button{
        min-height:48px;
        padding:10px 46px 10px 16px;
        font-size:.86rem;
    }

    .notice-panel{
        padding:20px 16px;
    }

    .notice-panel p{
        font-size:.8rem;
        line-height:1.85;
    }
}


/* ========================================
   制作物アーカイブ見出し
======================================== */

.archive-heading {
    width: 100%;
    margin: 8px auto 52px;
    padding: 0;
    text-align: center;
}

.archive-heading__title {
    margin: 0 0 18px;
    padding: 0;
    color: #e66f28;
    font-size: clamp(2.4rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: 0.04em;
    text-align: center;
}

.archive-heading__description {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 0;
    color: #555555;
    font-size: 1.08rem;
    font-weight: 500;
    line-height: 2;
    text-align: center;
}

/* ========================================
   検索結果なし・リセットボタン
======================================== */

#emptyResetButton,
.archive-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 190px;
    min-height: 48px;
    margin-top: 24px;
    padding: 0 26px;
    border: 1px solid #d99a5d;
    border-radius: 999px;
    background: #ffffff;
    color: #d26d2d;
    font: inherit;
    font-size: 0.96rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    cursor: pointer;
    transition:
        background-color 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease,
        transform 0.15s ease,
        box-shadow 0.2s ease;
}

#emptyResetButton:hover,
.archive-button:hover {
    border-color: #c97737;
    background: #fdf2e7;
    color: #b95f1d;
    box-shadow: 0 6px 18px rgba(201, 119, 55, 0.18);
    transform: translateY(-1px);
}

#emptyResetButton:active,
.archive-button:active {
    box-shadow: none;
    transform: translateY(0);
}

#emptyResetButton:focus-visible,
.archive-button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(230, 111, 40, 0.18);
}

@media (max-width: 768px) {
    .archive-heading {
        margin: 4px auto 36px;
    }

    .archive-heading__title {
        margin-bottom: 16px;
        font-size: clamp(2rem, 8vw, 2.8rem);
    }

    .archive-heading__description {
        padding: 0 8px;
        font-size: 0.96rem;
        line-height: 1.9;
    }
}

/* ========================================
   最終調整
   ご注意・検索外枠・フッター
======================================== */

/* 検索等の大外枠を少し薄く */
.archive-toolbar {
    border-color: #e8c9aa;
    box-shadow:
        0 10px 24px rgba(75, 45, 25, 0.06),
        0 0 0 1px rgba(232, 201, 170, 0.16);
}

/* ご注意を中央へ配置 */
.notice-section {
    width: min(
        760px,
        calc(100% - var(--container-padding) * 2)
    );
    margin-right: auto;
    margin-left: auto;
    padding: 10px 0 24px;
    text-align: center;
}

.notice-section__inner {
    width: 100%;
    margin-right: auto;
    margin-left: auto;
}

.notice-toggle-button {
    justify-content: flex-start;
    width: min(100%, 620px);
    margin-right: auto;
    margin-left: auto;
    padding:
        13px
        52px
        13px
        18px;
    border: 1px solid #ead8c8;
    border-left: 4px solid #e7863e;
    border-radius: 12px;
    background: #fffaf6;
    color: #625b55;
    text-align: left;
    box-shadow: 0 5px 16px rgba(85, 55, 35, 0.05);
}

/* 「ご注意」の視認性を高める控えめなアイコン */
.notice-toggle-button::before {
    display: inline-grid;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    border-radius: 50%;
    background: #f6d5bd;
    color: #a95720;
    content: "!";
    font-size: 0.78rem;
    font-weight: 800;
    line-height: 1;
    place-items: center;
}

.notice-toggle-button[aria-expanded="true"] {
    border-color: #dfb28e;
    border-left-color: #db7229;
    background: #fff6ef;
    color: #a95720;
}

.notice-panel {
    width: min(100%, 620px);
    margin: 8px auto 0;
    padding: 20px 22px;
    border: 1px solid #eadfd6;
    border-radius: 0 0 12px 12px;
    background: #fffdfb;
    text-align: left;
    box-shadow: 0 8px 22px rgba(70, 45, 30, 0.05);
}

.notice-panel p {
    color: #625e5a;
    font-size: 0.84rem;
    line-height: 1.85;
}

.notice-panel p + p {
    margin-top: 10px;
}

/* 著作権表示とリンク群の間だけ少し余白を設ける */
.site-footer__copyright {
    margin-top: 0;
    margin-bottom: 9px;
    line-height: 1.55;
}

/* ページトップリンクと著作権表示の間隔を控えめにする */
.site-footer__top-link {
    margin-bottom: 6px;
}

/* 各リンク群同士の間隔はほぼなくす */
.footer-navigation {
    margin: 0;
}

.footer-navigation + .footer-navigation {
    margin-top: 1px;
}

@media screen and (max-width: 700px) {
    .notice-section {
        width: calc(100% - var(--container-padding) * 2);
        padding-bottom: 18px;
    }

    .notice-toggle-button {
        width: 100%;
        padding:
            11px
            44px
            11px
            14px;
    }

    .notice-toggle-button::before {
        flex-basis: 22px;
        width: 22px;
        height: 22px;
        margin-right: 8px;
    }

    .notice-panel {
        width: 100%;
        padding: 17px 16px;
        text-align: left;
    }
}

/* ========================================
   ページ上部へ戻るボタン
   画像をそのまま使用
======================================== */

.page-top-button {
    position: fixed;
    z-index: 1000;
    right: 20px;
    bottom: 20px;

    display: block;
    width: 96px;
    height: 96px;
    margin: 0;
    padding: 0;

    overflow: visible;

    border: 0;
    border-radius: 0;
    outline: 0;

    background-color: transparent;
    background-image: url("./page-top.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;

    color: transparent;
    font-size: 0;
    line-height: 0;
    text-indent: -9999px;

    box-shadow: none;

    cursor: pointer;

    opacity: 0;
    visibility: hidden;
    pointer-events: none;

    transform: translateY(12px);

    transition:
        opacity 0.25s ease,
        visibility 0.25s ease,
        transform 0.25s ease;
}

.page-top-button[hidden] {
    display: none !important;
}

.page-top-button.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
}

.page-top-button:hover {
    background-color: transparent;
    box-shadow: none;
    transform:
        translateY(-4px)
        scale(1.05);
}

.page-top-button:active {
    background-color: transparent;
    box-shadow: none;
    transform:
        translateY(0)
        scale(0.96);
}

.page-top-button:focus,
.page-top-button:focus-visible {
    outline: 0;
    box-shadow: none;
}

/* 旧デザインの矢印・丸・装飾を完全に非表示 */
.page-top-button > span,
.page-top-button > svg,
.page-top-button > img,
.page-top-button::before,
.page-top-button::after {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: none !important;
    content: none !important;
    box-shadow: none !important;
}

/* タブレット */
@media screen and (max-width: 900px) {
    .page-top-button {
        right: 16px;
        bottom: 16px;
        width: 82px;
        height: 82px;
    }
}

/* スマートフォン */
@media screen and (max-width: 700px) {
    .page-top-button {
        right: 12px;
        bottom: 12px;
        width: 68px;
        height: 68px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .page-top-button {
        transition: none;
    }

    .page-top-button:hover,
    .page-top-button:active {
        transform: none;
    }
}