/* ============================================
   awatake — 79歳、AIとつくる毎日。
   デザイン: 深い紺 × 和の朱色 × 明朝体の見出し
   シニアにも読みやすい大きめの文字と高コントラスト
   ============================================ */

:root {
    --ink: #101828;          /* 深い紺（メイン文字・ダーク背景） */
    --ink-deep: #0a1020;     /* さらに深い紺 */
    --paper: #faf7f2;        /* 温かみのある生成り */
    --white: #ffffff;
    --accent: #d9481c;       /* 朱色 */
    --accent-soft: #f4a261;  /* 柔らかい橙 */
    --gold: #c9a227;         /* 金 */
    --text: #2a2f3a;
    --text-soft: #5b6472;
    --text-on-dark: #e8e6e1;
    --text-soft-on-dark: #a9b1c0;
    --border: #e5ddd0;
    --radius: 14px;
    --shadow: 0 8px 30px rgba(16, 24, 40, 0.08);
    --shadow-hover: 0 16px 40px rgba(16, 24, 40, 0.16);
    --font-sans: 'Noto Sans JP', sans-serif;
    --font-serif: 'Shippori Mincho', serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 90px; }

body {
    font-family: var(--font-sans);
    font-size: 17px;
    line-height: 1.9;
    color: var(--text);
    margin: 0;
    padding: 0;
    background-color: var(--paper);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--ink);
    margin-top: 0;
    margin-bottom: 0.5em;
    line-height: 1.4;
}

.section-padding { padding: 100px 0; }

.section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.85em;
    font-weight: 700;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--accent);
    text-align: center;
    margin: 0 0 12px;
}

.section-title {
    font-size: 2.4em;
    font-weight: 700;
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 22px;
}

.section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 64px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    border-radius: 2px;
}

.section-lead {
    text-align: center;
    font-size: 1.1em;
    color: var(--text-soft);
    max-width: 720px;
    margin: 0 auto 56px;
}

.bg-warm { background-color: #f3ede2; }

.bg-dark {
    background-color: var(--ink);
    background-image: radial-gradient(circle at 15% 20%, rgba(217, 72, 28, 0.12), transparent 40%),
                      radial-gradient(circle at 85% 80%, rgba(201, 162, 39, 0.10), transparent 40%);
}

.bg-dark .section-title { color: var(--white); }
.bg-dark p { color: var(--text-on-dark); }

.pc-only { display: inline; }

/* ---------- ボタン ---------- */
.btn {
    display: inline-block;
    padding: 15px 34px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 1.05em;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease;
    text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-3px); }

.btn-primary {
    background: linear-gradient(135deg, var(--accent), #b53a12);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(217, 72, 28, 0.35);
}
.btn-primary:hover { color: var(--white); box-shadow: 0 14px 32px rgba(217, 72, 28, 0.45); }

.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}
.btn-ghost:hover { color: var(--white); border-color: var(--white); background: rgba(255, 255, 255, 0.08); }

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 11px 26px;
}
.btn-outline:hover { background: var(--accent); color: var(--white); }

.btn-large { padding: 18px 44px; font-size: 1.15em; }

/* ---------- ヘッダー ---------- */
.site-header {
    background-color: rgba(10, 16, 32, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 14px 0;
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35); }

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

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.brand:hover { text-decoration: none; }

.brand-mark {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px; height: 44px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.5em;
    font-weight: 800;
    line-height: 1;
}

.brand-text {
    color: var(--white);
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.35em;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
}

.brand-sub {
    font-family: var(--font-sans);
    font-size: 0.5em;
    font-weight: 400;
    letter-spacing: 0.3em;
    color: var(--text-soft-on-dark);
}

.main-nav .nav-list {
    list-style: none;
    margin: 0; padding: 0;
    display: flex;
    align-items: center;
}
.main-nav .nav-list li { margin-left: 26px; }

.main-nav .nav-list a {
    color: var(--text-on-dark);
    font-weight: 500;
    font-size: 0.98em;
    padding: 6px 0;
    position: relative;
}
.main-nav .nav-list a:hover { text-decoration: none; color: var(--white); }

.main-nav .nav-list a:not(.nav-cta)::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 0; height: 2px;
    background-color: var(--accent-soft);
    transition: width 0.3s ease;
}
.main-nav .nav-list a:not(.nav-cta):hover::after { width: 100%; }

.nav-cta {
    background: var(--accent);
    color: var(--white) !important;
    padding: 10px 22px !important;
    border-radius: 999px;
    transition: background-color 0.3s ease;
}
.nav-cta:hover { background: #b53a12; }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    width: 32px; height: 24px;
    position: relative;
    z-index: 1001;
}
.menu-toggle .icon-bar {
    display: block;
    width: 100%; height: 3px;
    background-color: var(--white);
    border-radius: 2px;
    margin-bottom: 6px;
    transition: all 0.3s ease;
}
.menu-toggle .icon-bar:last-child { margin-bottom: 0; }
.menu-toggle[aria-expanded="true"] .icon-bar:nth-child(1) { transform: rotate(45deg) translate(6px, 7px); }
.menu-toggle[aria-expanded="true"] .icon-bar:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .icon-bar:nth-child(3) { transform: rotate(-45deg) translate(6px, -7px); }

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ---------- ヒーロー ---------- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--white);
    background-color: var(--ink-deep);
    overflow: hidden;
    padding: 140px 0 100px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 25%, rgba(217, 72, 28, 0.22), transparent 45%),
        radial-gradient(ellipse at 80% 70%, rgba(201, 162, 39, 0.18), transparent 45%),
        radial-gradient(ellipse at 55% 110%, rgba(46, 78, 145, 0.35), transparent 55%);
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 28px 28px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 75%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 75%);
}

.hero-content { position: relative; z-index: 1; }

.hero-eyebrow {
    font-size: 0.95em;
    letter-spacing: 0.18em;
    color: var(--text-soft-on-dark);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4.4em;
    font-weight: 800;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 28px;
    letter-spacing: 0.02em;
}

.hero-title .accent {
    background: linear-gradient(120deg, var(--accent-soft), var(--gold));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-lead {
    font-size: 1.25em;
    color: var(--text-on-dark);
    max-width: 760px;
    margin: 0 auto 44px;
}

.hero-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 70px;
}

.hero-stats {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    max-width: 900px;
}

.hero-stats li {
    flex: 1 1 190px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 20px 14px;
    backdrop-filter: blur(6px);
}

.stat-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 2.4em;
    font-weight: 800;
    line-height: 1.2;
    background: linear-gradient(120deg, var(--accent-soft), var(--gold));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
.stat-num::after { content: ''; }
.stat-num[data-count="1000"]::after { content: ''; }

.stat-label {
    display: block;
    font-size: 0.85em;
    color: var(--text-soft-on-dark);
    margin-top: 4px;
}

.scroll-cue {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    width: 28px; height: 46px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 999px;
    z-index: 1;
}
.scroll-cue span {
    position: absolute;
    top: 8px; left: 50%;
    width: 4px; height: 10px;
    margin-left: -2px;
    background: var(--accent-soft);
    border-radius: 2px;
    animation: cue 1.8s infinite;
}
@keyframes cue {
    0% { transform: translateY(0); opacity: 1; }
    70% { transform: translateY(16px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

/* ---------- ストーリー ---------- */
.story-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 56px;
    align-items: start;
    margin-top: 40px;
}

.story-text { font-size: 1.08em; }
.story-text p { margin: 0 0 1.4em; }

.story-emphasis {
    font-family: var(--font-serif);
    font-size: 1.15em;
    font-weight: 700;
    color: var(--ink);
    border-left: 4px solid var(--accent);
    padding-left: 20px;
}

.story-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.story-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 26px 28px;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 18px;
    align-items: center;
    border-top: 3px solid var(--accent);
}
.story-card-icon { font-size: 2em; grid-row: 1 / 3; }
.story-card h3 { font-size: 1.15em; margin: 0; }
.story-card p { margin: 4px 0 0; font-size: 0.95em; color: var(--text-soft); grid-column: 2; }

/* ---------- プロフィール ---------- */
.profile-content {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 60px;
    align-items: start;
    margin-top: 48px;
}

.profile-side {
    text-align: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    padding: 36px 28px;
}

.profile-photo {
    width: 190px; height: 190px;
    margin: 0 auto 22px;
    border-radius: 50%;
    padding: 5px;
    background: linear-gradient(135deg, var(--accent), var(--gold));
}
.profile-photo img {
    width: 100%; height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
}

.profile-name {
    color: var(--white);
    font-size: 1.9em;
    margin-bottom: 4px;
}

.profile-role {
    color: var(--accent-soft) !important;
    font-weight: 500;
    margin: 0 0 24px;
    font-size: 0.98em;
}
/* 肩書きの途中で1文字だけ折り返さないよう、区切りの「/」でのみ改行させる */
.profile-role span { display: inline-block; }

.profile-facts {
    list-style: none;
    padding: 0; margin: 0;
    text-align: left;
}
.profile-facts li {
    display: flex;
    gap: 14px;
    padding: 12px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-on-dark);
    font-size: 0.95em;
    line-height: 1.6;
}
.profile-facts li:last-child { border-bottom: none; }
.profile-facts strong {
    flex: 0 0 58px;
    color: var(--gold);
    font-weight: 700;
}

.timeline-heading {
    color: var(--white);
    font-size: 1.5em;
    margin-bottom: 28px;
}

.timeline {
    list-style: none;
    padding: 0; margin: 0;
    position: relative;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 7px; top: 8px; bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--gold));
}

.timeline li {
    position: relative;
    padding: 0 0 34px 42px;
}
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
    content: '';
    position: absolute;
    left: 0; top: 8px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--ink);
    border: 3px solid var(--accent-soft);
}

.timeline-era {
    display: inline-block;
    font-family: var(--font-serif);
    font-weight: 700;
    color: var(--gold);
    font-size: 0.95em;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}

.timeline h4 {
    color: var(--white);
    font-size: 1.2em;
    margin: 0 0 6px;
}
.timeline p {
    margin: 0;
    color: var(--text-soft-on-dark) !important;
    font-size: 0.95em;
}

/* ---------- 図解プロフィール ---------- */
.zukai-banner {
    margin-top: 64px;
    text-align: center;
}

.zukai-lead {
    font-family: var(--font-serif);
    font-size: 1.15em;
    color: var(--text-on-dark);
    margin: 0 0 20px;
}

.zukai-link {
    display: block;
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 14px 44px rgba(0, 0, 0, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.18);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.zukai-link:hover {
    transform: translateY(-6px);
    box-shadow: 0 22px 56px rgba(0, 0, 0, 0.55);
    text-decoration: none;
}

.zukai-link img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 0.4s ease;
}
.zukai-link:hover img { transform: scale(1.02); }

.zukai-overlay {
    position: absolute;
    left: 0; right: 0; bottom: 0;
    padding: 48px 20px 18px;
    background: linear-gradient(to top, rgba(10, 16, 32, 0.88), transparent);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.zukai-title {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25em;
    color: var(--white);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

.zukai-hint {
    display: inline-block;
    font-size: 0.9em;
    font-weight: 700;
    color: var(--white);
    background: var(--accent);
    border-radius: 999px;
    padding: 7px 20px;
    box-shadow: 0 6px 18px rgba(217, 72, 28, 0.45);
    transition: transform 0.3s ease;
}
.zukai-link:hover .zukai-hint { transform: scale(1.08); }

/* ---------- ライトボックス（拡大表示） ---------- */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(5, 8, 16, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
}
.lightbox[hidden] { display: none; }

.lightbox img {
    max-width: min(96vw, 1400px);
    max-height: 84vh;
    width: auto;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    cursor: default;
}

.lightbox-close {
    position: absolute;
    top: 18px;
    right: 22px;
    width: 56px; height: 56px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--white);
    font-size: 30px;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.25s ease, transform 0.25s ease;
}
.lightbox-close:hover {
    background: var(--accent);
    border-color: var(--accent);
    transform: rotate(90deg);
}

.lightbox-note {
    margin: 18px 0 0;
    color: var(--text-soft-on-dark);
    font-size: 0.9em;
    text-align: center;
}

/* ---------- 作品ギャラリー ---------- */
.works-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
    gap: 26px;
    margin-top: 48px;
}

.work-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.work-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}

.work-thumb {
    height: 130px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3.2em;
    position: relative;
    overflow: hidden;
}
.work-thumb span { position: relative; z-index: 1; transition: transform 0.3s ease; }
.work-card:hover .work-thumb span { transform: scale(1.18); }

.thumb-1 { background: linear-gradient(135deg, #1a2c56, #3b5aa0); }
.thumb-2 { background: linear-gradient(135deg, #3d1f10, #8c3d15); }
.thumb-3 { background: linear-gradient(135deg, #1c3a2e, #2f6b52); }
.thumb-4 { background: linear-gradient(135deg, #33254d, #5c4696); }
.thumb-5 { background: linear-gradient(135deg, #123a44, #237282); }
.thumb-6 { background: linear-gradient(135deg, #43301b, #8a6a33); }
.thumb-9 { background: linear-gradient(135deg, #0f3d3d, #2a7a6f); }
.thumb-10 { background: linear-gradient(135deg, #2f4d1c, #5f8a3a); }
.thumb-11 { background: linear-gradient(135deg, #274d70, #6db3e8); }

.work-body {
    padding: 22px 24px 26px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.work-body h3 { font-size: 1.2em; margin-bottom: 8px; }
.work-body p {
    font-size: 0.93em;
    color: var(--text-soft);
    margin: 0 0 16px;
    flex: 1;
}

.work-tag {
    align-self: flex-start;
    font-size: 0.8em;
    font-weight: 700;
    color: var(--accent);
    background: rgba(217, 72, 28, 0.09);
    border: 1px solid rgba(217, 72, 28, 0.25);
    padding: 4px 12px;
    border-radius: 999px;
}

.works-footnote {
    text-align: center;
    margin-top: 44px;
    color: var(--text-soft);
    font-size: 0.95em;
}
.works-footnote a { font-weight: 700; }

/* ---------- 活動・コミュニティ ---------- */
.community-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 48px;
}

.community-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 38px 32px;
    text-align: center;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.community-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.community-icon { font-size: 2.8em; margin-bottom: 14px; }
.community-card h3 { font-size: 1.35em; }
.community-card p { color: var(--text-soft); font-size: 0.97em; flex: 1; margin-bottom: 24px; }
.community-card .btn { align-self: center; }

/* 画像処理同好会の看板カード */
.community-club { padding: 0; overflow: hidden; }
.club-banner {
    position: relative;
    background: linear-gradient(135deg, #46121f, #8c2842 60%, #b0405e);
    padding: 34px 24px 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
/* フィルムのパーフォレーション風の飾り */
.club-banner::before, .club-banner::after {
    content: "";
    position: absolute;
    left: 0; right: 0;
    height: 8px;
    background: repeating-linear-gradient(90deg,
        rgba(255, 255, 255, 0.55) 0 10px, transparent 10px 22px);
    opacity: 0.45;
}
.club-banner::before { top: 8px; }
.club-banner::after { bottom: 8px; }
.club-banner-icon {
    font-size: 2.4em;
    background: rgba(255, 255, 255, 0.92);
    width: 78px; height: 78px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}
.club-banner-title {
    color: #fff;
    font-size: 1.35em;
    font-weight: 700;
    font-family: var(--font-serif, serif);
    letter-spacing: 2px;
    text-shadow: 1px 2px 3px rgba(0, 0, 0, 0.35);
}
.club-banner-sub {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.72em;
    letter-spacing: 3px;
    text-transform: uppercase;
}
.club-body {
    padding: 26px 32px 34px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.club-body p { color: var(--text-soft); font-size: 0.97em; flex: 1; margin-bottom: 24px; }
.club-body .btn { align-self: center; }

/* ---------- 相談できること ---------- */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 48px;
}

.service-item {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 38px 32px;
    border-top: 4px solid var(--accent);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-item:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.service-icon { font-size: 2.4em; display: block; margin-bottom: 14px; }
.service-item h3 { font-size: 1.35em; }
.service-item p { color: var(--text-soft); font-size: 0.97em; margin: 0; }

/* ---------- ブログ ---------- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
    margin-top: 48px;
}

.blog-post {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-post:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }

.blog-thumb {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 150px;
    font-size: 3.4em;
    text-decoration: none;
}
.blog-thumb:hover { text-decoration: none; }
.blog-thumb-1 { background: linear-gradient(135deg, #1c3a2e, #3f7d5f); }
.blog-thumb-2 { background: linear-gradient(135deg, #1a2c56, #40639f); }
.blog-thumb-3 { background: linear-gradient(135deg, #6b3410, #b06a2c); }

.blog-body { padding: 24px 26px 28px; }

.post-meta {
    display: inline-block;
    font-size: 0.8em;
    font-weight: 700;
    color: var(--accent);
    background: rgba(217, 72, 28, 0.09);
    border-radius: 999px;
    padding: 3px 12px;
    margin: 0 0 10px;
}

.blog-body h3 { font-size: 1.25em; margin-bottom: 10px; }
.blog-body h3 a { color: var(--ink); }
.blog-body h3 a:hover { color: var(--accent); text-decoration: none; }
.blog-body p { font-size: 0.95em; color: var(--text-soft); margin: 0; }

.blog-banner {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-top: 48px;
    padding: 34px 40px;
    background: linear-gradient(135deg, var(--ink-deep), #1a2c56);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.blog-banner:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    text-decoration: none;
}

.blog-banner-icon { font-size: 3.2em; line-height: 1; }

.blog-banner-body { flex: 1; }

.blog-banner-eyebrow {
    display: inline-block;
    font-size: 0.8em;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--gold);
    border: 1px solid rgba(201, 162, 39, 0.5);
    border-radius: 999px;
    padding: 2px 14px;
    margin: 0 0 10px;
}

.blog-banner h3 {
    color: var(--white);
    font-size: 1.5em;
    margin-bottom: 8px;
}

.blog-banner-body > p:last-child {
    color: var(--text-soft-on-dark);
    font-size: 0.95em;
    margin: 0;
}

.blog-banner-cta {
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--accent), #b53a12);
    color: var(--white);
    font-weight: 700;
    border-radius: 999px;
    padding: 14px 32px;
    box-shadow: 0 8px 24px rgba(217, 72, 28, 0.35);
    white-space: nowrap;
}

/* ---------- 記事ページ ---------- */
.article-section { padding-top: 160px; }

.article-content {
    max-width: 760px;
    margin: 0 auto;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 56px 60px;
}
.article-content h3 {
    font-size: 1.4em;
    border-left: 4px solid var(--accent);
    padding-left: 16px;
    margin-top: 1.8em;
}
.article-content h3:first-child { margin-top: 0; }
.article-content p { margin-bottom: 1.4em; }

.back-to-top { text-align: center; margin-top: 44px; }

/* ---------- お問い合わせ ---------- */
.contact-inner { text-align: center; }

.contact-intro {
    font-size: 1.12em;
    max-width: 720px;
    margin: 0 auto 44px;
}

.contact-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ---------- フッター ---------- */
.site-footer {
    background-color: var(--ink-deep);
    color: var(--text-soft-on-dark);
    padding: 52px 0 40px;
    text-align: center;
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 20px;
}
.footer-brand span {
    font-family: var(--font-sans);
    font-size: 0.6em;
    font-weight: 400;
    color: var(--text-soft-on-dark);
}

.footer-links { margin-bottom: 24px; }
.footer-links a {
    color: var(--text-on-dark);
    margin: 0 16px;
    font-size: 0.95em;
}
.footer-links a:hover { color: var(--accent-soft); text-decoration: none; }

.footer-copy { font-size: 0.85em; margin: 0; }

/* ---------- スクロール表示アニメーション ---------- */
.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
    .scroll-cue span { animation: none; }
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 992px) {
    .hero-title { font-size: 3.2em; }
    .hero-lead { font-size: 1.12em; }
    .pc-only { display: none; }

    .story-grid { grid-template-columns: 1fr; gap: 40px; }

    .profile-content { grid-template-columns: 1fr; gap: 44px; }
    .profile-side { max-width: 440px; margin: 0 auto; }
}

@media (max-width: 768px) {
    body { font-size: 16px; }
    .section-padding { padding: 70px 0; }
    .section-title { font-size: 1.9em; }

    .menu-toggle { display: block; }

    .main-nav .nav-list {
        display: none;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: 100%; left: 0; right: 0;
        background-color: var(--ink-deep);
        padding: 16px 0 24px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
        text-align: center;
    }
    .main-nav .nav-list.active { display: flex; }
    .main-nav .nav-list li { margin: 0; }
    .main-nav .nav-list a { display: block; padding: 14px 0; font-size: 1.1em; }
    .nav-cta { margin: 12px 24px 0; }

    .hero-section { min-height: auto; padding: 130px 0 90px; }
    .hero-title { font-size: 2.5em; }
    .hero-lead { font-size: 1.05em; }
    .hero-actions { margin-bottom: 50px; }
    .hero-stats li { flex-basis: 44%; }
    .scroll-cue { display: none; }

    .article-content { padding: 40px 28px; }
    .article-section { padding-top: 120px; }

    .blog-banner {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 18px;
    }

}

@media (max-width: 480px) {
    .hero-title { font-size: 2.05em; }
    .hero-stats li { flex-basis: 100%; }
    .btn-large { width: 100%; }
    .contact-actions { flex-direction: column; align-items: stretch; }
}

/* ============================================
   AIショート動画セクション
   ============================================ */
.videos-grid {
    display: flex;
    justify-content: center;
    gap: 48px;
    flex-wrap: wrap;
}

.video-card {
    margin: 0;
    width: 300px;
    text-align: center;
}

.video-frame {
    border-radius: 26px;
    overflow: hidden;
    background: #000;
    border: 4px solid rgba(255, 255, 255, 0.14);
    box-shadow: var(--shadow-hover);
}

.video-frame video {
    display: block;
    width: 100%;
    aspect-ratio: 9 / 16;
    background: #000;
}

.video-card h3 {
    color: var(--white);
    font-size: 1.2em;
    margin: 20px 0 8px;
}

.video-card p {
    color: var(--text-soft-on-dark);
    font-size: 0.95em;
    line-height: 1.8;
    margin: 0;
}

@media (max-width: 720px) {
    .videos-grid { gap: 36px; }
    .video-card { width: min(300px, 80vw); }
}