:root {
    --bg: #ffffff;
    --text: #111;
    --dim: #666;
    --hair: #e6e6e6;

    --max: 980px;
    --pad: clamp(24px, 4vw, 52px);

    --menu: 200px;
    --gap: 80px;
}

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Hiragino Mincho ProN", "Yu Mincho", "Noto Serif JP", "Times New Roman", serif;
    letter-spacing: .02em;
    -webkit-font-smoothing: antialiased;
    text-rendering: geometricPrecision;
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity .3s ease;
}

a:hover {
    text-decoration: none;
}

a:hover img {
    opacity: .5;
    transition: .3s;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
    width: min(var(--max), 100%);
    margin: 0;
    padding: var(--pad);
}

.layout {
    display: grid;
    grid-template-columns: var(--menu) 1fr;
    column-gap: var(--gap);
    align-items: start;
}

/* ============================================================
   SIDEBAR (PC / Desktop)
   ============================================================ */
.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding-top: 32px;
    padding-bottom: 32px;
    box-sizing: border-box;
    transition: transform .32s cubic-bezier(.2, .8, .2, 1);

    scrollbar-width: thin;
    scrollbar-color: rgba(0, 0, 0, 0.1) transparent;
}

.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}

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

.sidebar li {
    margin: 0 0 28px;
}

/* --- リンクの濃淡コントロール --- */

/* 1. デフォルト：薄くする */
.sidebar li a,
.sidebar-label-link,
.sidebar-cv-tiny {
    display: block;
    opacity: 0.4;
    transition: opacity 0.3s ease;
    text-decoration: none;
    color: inherit;
}

/* 2. ホバー：少し濃く */
.sidebar li a:hover,
.sidebar-label-link:hover,
.sidebar-cv-tiny:hover {
    opacity: 0.8 !important;
}

/* 3. 現在地（.is-current）：完全に濃く太く */
.sidebar li a.is-current,
.sidebar-label-link.is-current,
.sidebar-cv-tiny.is-current {
    opacity: 1 !important;
    font-weight: 500;
}

/* 4. トップページ（.is-top）の特別ルール */
/* メニュー項目をすべて濃くする */
.sidebar.is-top li a,
.sidebar.is-top .sidebar-label-link,
.sidebar.is-top .sidebar-cv-tiny {
    opacity: 1 !important;
}

/* --- テキストスタイル --- */
.sidebar .t {
    font-size: 16px;
    font-weight: 400;
    line-height: 1.35;
    margin: 0;
}

.sidebar .y {
    font-size: 11px;
    color: var(--dim);
    margin-top: 4px;
    letter-spacing: .08em;
}

/* --- 見出し・ラベル --- */
.sidebar-kicker {
    font-size: 9px;
    color: var(--dim);
    letter-spacing: .18em;
    text-transform: uppercase;
    margin: 0 0 6px;
}

.sidebar-label {
    font-size: 11px;
    color: var(--text);
    letter-spacing: .06em;
    margin: 0 0 18px;
}

.sidebar-label-link {
    margin-bottom: 18px;
}

/* --- プロフィール --- */
.sidebar-home {
    display: block;
    margin-bottom: 4px;
    padding-bottom: 0;
    border-bottom: none;
    text-decoration: none;
}

.sidebar-home:hover {
    opacity: .85;
}

.sidebar-home-name {
    font-size: 15px;
    letter-spacing: .04em;
    line-height: 1.4;
}

.sidebar-home-role {
    font-size: 10px;
    margin-top: 4px;
    letter-spacing: .12em;
    opacity: .55;
}

/* --- 名前下のメタリンク（CV / Contact） - 縦並び版 --- */
.sidebar-meta {
    padding-top: 10px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(0, 0, 0, .08);
    margin-bottom: 28px;

    /* ★縦並びにする設定 */
    display: flex;
    flex-direction: column;
    /* 縦方向 */
    gap: 8px;
    /* 上下の間隔 */
}

.sidebar-meta a {
    font-size: 10px;
    color: var(--dim);
    letter-spacing: .1em;
    text-decoration: none;
    opacity: 0.4;
    transition: opacity 0.3s;

    /* リンクの幅を文字幅に合わせる（余白での誤クリック防止） */
    width: fit-content;
}

.sidebar-meta a:hover {
    opacity: 0.8 !important;
}

/* トップページ（.is-top）の時は濃くする */
.sidebar.is-top .sidebar-meta a {
    opacity: 1 !important;
}


/* ============================================================
   LANGUAGE SWITCHER (言語切り替え) - 統合・修正版
   ============================================================ */
.sidebar-lang {
    margin-top: 24px;
    padding-top: 14px;
    border-top: 1px solid rgba(0, 0, 0, .08);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
}

/* 共通設定 */
.lang-btn,
.lang-item {
    background: none;
    border: none;
    padding: 2px 4px;
    font-size: 12px;
    letter-spacing: .08em;
    color: inherit;
    text-decoration: none;
    transition: opacity 0.3s;
}

.lang-sep {
    opacity: .4;
}

/* ---------------------------------------------------
   [A] 現在地 (.lang-current)
   濃く、太く、クリック不可（矢印カーソル）
   --------------------------------------------------- */
.lang-current {
    opacity: 1 !important;
    font-weight: 700 !important;
    color: var(--text) !important;
    cursor: default !important;
    pointer-events: none;
}

/* ---------------------------------------------------
   [B] リンク (.lang-link)
   基本：薄く、細く、クリック可能（指マーク）
   --------------------------------------------------- */
.lang-link {
    opacity: 0.3 !important;
    font-weight: 400 !important;
    cursor: pointer !important;
    pointer-events: auto !important;
}

/* リンクホバー時 */
.lang-link:hover {
    opacity: 1 !important;
}

/* ---------------------------------------------------
   [C] トップページ特例 (.sidebar.is-top)
   トップページではリンク側(.lang-link)も濃く表示するが、
   クリック機能(cursor:pointer)は維持する
   --------------------------------------------------- */
.sidebar.is-top .lang-link {
    opacity: 1 !important;
    /* 強制的に濃く */
    font-weight: 500 !important;
    /* 少し太くして存在感を出す */
}


/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main {
    max-width: 720px;
}

#about {
    margin-top: 0;
}

.lead {
    margin: 18px 0 22px;
    font-size: 14px;
    line-height: 2.0;
}

.about-text {
    font-size: 14px;
    line-height: 2.0;
    max-width: 62ch;
    margin: 0;
}

.about-links {
    margin: 18px 0 0;
}

.textlink {
    font-size: 12px;
    letter-spacing: .08em;
    color: var(--dim);
}

.textlink:hover {
    opacity: .6;
}

.section {
    margin-top: 56px;
}

.section-kicker {
    font-size: 10px;
    color: var(--dim);
    letter-spacing: .18em;
    text-transform: uppercase;
    margin: 0 0 12px;
}

.upcoming {
    margin-top: 0;
    max-width: 62ch;
}

.up-kicker {
    font-size: 10px;
    color: var(--dim);
    letter-spacing: .18em;
    text-transform: uppercase;
    margin: 0 0 10px;
}

.up-title {
    font-size: 28px;
    font-weight: 600;
    letter-spacing: .01em;
    margin: 0 0 12px;
}

.up-meta {
    font-size: 12px;
    color: var(--dim);
    letter-spacing: .08em;
    margin: 14px 0 18px;
}

.up-note {
    font-size: 14px;
    line-height: 2.0;
    margin: 0;
}

.featured {
    display: block;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 12px;
    overflow: hidden;
}

.featured-media img {
    width: 100%;
    height: auto;
    display: block;
}

.featured-meta {
    padding: 14px 14px 16px;
}

.featured-title {
    font-size: 14px;
    letter-spacing: .02em;
}

.featured-year {
    margin-top: 4px;
    font-size: 11px;
    color: var(--dim);
    letter-spacing: .08em;
}

.archive {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

@media (max-width:900px) {
    .archive {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width:560px) {
    .archive {
        grid-template-columns: 1fr;
    }
}

.archive-card {
    display: block;
    border: 1px solid rgba(0, 0, 0, .08);
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
}

.archive-media {
    aspect-ratio: 4 / 3;
    background: rgba(0, 0, 0, .02);
    overflow: hidden;
}

.archive-media img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center;
}

.archive-meta {
    padding: 12px 14px;
}

.archive-title {
    font-size: 13px;
    letter-spacing: .04em;
}

.archive-year {
    margin-top: 4px;
    font-size: 11px;
    color: var(--dim);
    letter-spacing: .08em;
}

.footer {
    margin-top: 72px;
    font-size: 12px;
    color: var(--dim);
    letter-spacing: .08em;
}

.ex-essay {
    font-size: 14px;
    line-height: 2.1;
    max-width: 62ch;
    color: var(--text);
    margin-top: 56px;
}

.ex-essay p {
    margin: 0 0 1.2em;
}

.ex-essay p:last-child {
    margin-bottom: 0;
}

.glightbox-container {
    background: rgba(255, 255, 255, .95) !important;
}

.glightbox-clean .gslide-description {
    display: none;
}

.glightbox-clean .gclose {
    color: rgba(0, 0, 0, .6);
}

.ex-images img {
    width: 100%;
    height: auto;
    display: block;
    margin: 0 0 24px;
}

.report-text {
    font-family: "Sawarabi Mincho", "Hiragino Mincho ProN", serif;
    color: #333;
    letter-spacing: 0.05em;
    line-height: 2;
    background-color: #fafafa;
    margin-top: 80px;
    padding: 40px;
    border-top: 1px solid #ddd;
}

/* ============================================================
   MOBILE & DRAWER MENU
   ============================================================ */
html {
    scrollbar-gutter: stable;
}

.menuBtn {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 14px);
    right: calc(env(safe-area-inset-right, 0px) + 14px);
    width: 44px;
    height: 44px;
    border: 0;
    background: rgba(12, 12, 16, .55);
    backdrop-filter: blur(10px);
    border-radius: 999px;
    display: none;
    z-index: 1004;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

.menuBtn span {
    position: absolute;
    left: 13px;
    right: 13px;
    height: 1.6px;
    background: rgba(255, 255, 255, .86);
    transform-origin: center;
    transition: transform .28s ease, top .28s ease, opacity .2s ease;
}

.menuBtn span:nth-child(1) {
    top: 18px;
}

.menuBtn span:nth-child(2) {
    top: 26px;
}

.menuBtn.isOpen span:nth-child(1) {
    top: 22px;
    transform: rotate(45deg);
}

.menuBtn.isOpen span:nth-child(2) {
    top: 22px;
    transform: rotate(-45deg);
}

.menuOverlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .35);
    backdrop-filter: blur(2px);
    z-index: 1001;
}

@media (max-width:860px) {
    .menuBtn {
        display: inline-block;
    }

    .layout {
        display: block;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100dvh;
        width: min(92vw, 360px);
        transform: translateX(-105%);
        transition: transform .32s cubic-bezier(.2, .8, .2, 1);
        z-index: 1003;
        background: rgba(10, 10, 14, .88);
        backdrop-filter: blur(14px);
        border-right: 1px solid rgba(255, 255, 255, .08);
        padding: calc(env(safe-area-inset-top, 0px) + 18px) 18px calc(env(safe-area-inset-bottom, 0px) + 18px);
        overflow: auto;
        color: rgba(255, 255, 255, .92);
    }

    .sidebar li a,
    .sidebar-label-link,
    .sidebar-cv-tiny {
        opacity: 0.6;
        color: #fff;
    }

    .sidebar li a.is-current {
        opacity: 1 !important;
    }

    .sidebar-home {
        border-bottom: 1px solid rgba(255, 255, 255, .12);
    }

    .sidebar-kicker,
    .sidebar .y {
        color: rgba(255, 255, 255, .55);
    }

    .sidebar-label {
        color: rgba(255, 255, 255, .92);
    }

    body.navOpen .sidebar {
        transform: translateX(0);
    }

    .menuOverlay[hidden] {
        display: none !important;
    }
}

body.navOpen {
    overflow: hidden;
}

/* ============================================================
   LOADER
   ============================================================ */
#loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: radial-gradient(1200px 800px at 50% 45%, rgba(255, 255, 255, .08), rgba(0, 0, 0, 0)), #050507;
    display: grid;
    place-items: center;
    opacity: 1;
    transition: opacity .7s ease;
    pointer-events: all;
}

#loader.is-hide {
    opacity: 0;
    pointer-events: none;
}

html.is-loading,
body.is-loading {
    overflow: hidden !important;
}

#loader .loader-inner {
    width: min(560px, 86vw);
    text-align: center;
    color: rgba(255, 255, 255, .86);
    letter-spacing: .08em;
    transform: translateY(2px);
    animation: loaderFloat 2.4s ease-in-out infinite;
}

@keyframes loaderFloat {

    0%,
    100% {
        transform: translateY(4px);
    }

    50% {
        transform: translateY(-2px);
    }
}

#loader .loader-pct {
    font-size: clamp(28px, 4.6vw, 44px);
    font-weight: 420;
    opacity: 0;
    transform: translateY(10px);
    animation: loaderIn .9s ease forwards;
}

@keyframes loaderIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}