/* =========================================
   こころデザインラボ - Global Styles
   トーン：やさしいクリーム系／淡いグラデーション／余白多め
   ========================================= */

:root {
    /* ブランドカラー（ロゴから抽出） */
    --color-cream: #FBF7EE;          /* ベース：クリーム */
    --color-cream-light: #FDFBF5;    /* ハイライト */
    --color-cream-deep: #F4EEDD;     /* やや濃いクリーム */
    --color-blue: #5BA8C4;           /* ロゴのブルー */
    --color-blue-soft: #8FC4D6;      /* やわらかいブルー */
    --color-green: #4A9B5E;          /* ロゴの深いグリーン（テキスト） */
    --color-green-leaf: #7BB97D;     /* リーフグリーン */
    --color-orange: #E8A05C;         /* シェアハウスのオレンジ */

    /* テキスト */
    --color-text: #2E3A33;           /* 本文：深いグリーンブラック */
    --color-text-soft: #5A6661;      /* サブテキスト */
    --color-text-mute: #8A9590;      /* 補助 */

    /* ライン・背景 */
    --color-border: #E6DFCD;
    --color-bg-soft: #F7F2E4;

    /* タイポ */
    --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
    --font-serif: "Shippori Mincho", "Yu Mincho", "Hiragino Mincho ProN", serif;

    /* 余白 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 7rem;

    /* 角丸 */
    --radius-sm: 6px;
    --radius-md: 14px;
    --radius-lg: 24px;

    /* シャドウ */
    --shadow-soft: 0 6px 30px rgba(74, 155, 94, 0.06);
    --shadow-medium: 0 10px 40px rgba(74, 155, 94, 0.10);
}

/* リセット */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-jp);
    font-weight: 400;
    color: var(--color-text);
    line-height: 1.9;
    letter-spacing: 0.04em;
    background: var(--color-cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* やさしいグラデーション背景 */
.bg-gradient {
    background:
        radial-gradient(ellipse at top left, rgba(143, 196, 214, 0.08), transparent 50%),
        radial-gradient(ellipse at bottom right, rgba(123, 185, 125, 0.08), transparent 50%),
        var(--color-cream);
}

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

a {
    color: var(--color-green);
    text-decoration: none;
    transition: opacity 0.2s ease, color 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

/* タイポグラフィ */
h1, h2, h3, h4, h5 {
    font-weight: 600;
    line-height: 1.5;
    letter-spacing: 0.06em;
    color: var(--color-text);
}

.serif {
    font-family: var(--font-serif);
    font-weight: 500;
}

/* レイアウト */
.container {
    width: 100%;
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.container-narrow {
    width: 100%;
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

section {
    padding: var(--space-xl) 0;
}

/* =========================
   ヘッダー
   ========================= */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(251, 247, 238, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(230, 223, 205, 0.5);
}

.header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-family: var(--font-jp);
    font-weight: 600;
    color: var(--color-green);
    font-size: 1.05rem;
    letter-spacing: 0.08em;
}

.site-logo img {
    height: 38px;
    width: auto;
}

.site-logo .logo-text-en {
    font-size: 0.95rem;
    line-height: 1.2;
}

.site-logo .logo-text-jp {
    font-size: 0.7rem;
    color: var(--color-text-soft);
    letter-spacing: 0.1em;
    display: block;
}

.site-nav {
    display: flex;
    gap: 1.8rem;
    align-items: center;
}

.site-nav a {
    color: var(--color-text);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    position: relative;
}

.site-nav a:hover {
    color: var(--color-green);
    opacity: 1;
}

.site-nav a.nav-cta {
    background: var(--color-green);
    color: #fff;
    padding: 0.55rem 1.3rem;
    border-radius: 999px;
    font-size: 0.85rem;
}

.site-nav a.nav-cta:hover {
    background: var(--color-green-leaf);
    opacity: 1;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    position: relative;
}

.menu-toggle span {
    display: block;
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: transform 0.3s, opacity 0.3s;
}

.menu-toggle span:nth-child(1) { top: 8px; }
.menu-toggle span:nth-child(2) { top: 14px; }
.menu-toggle span:nth-child(3) { top: 20px; }

.menu-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* =========================
   ヒーロー
   ========================= */
.hero {
    position: relative;
    padding: 6rem 0 6rem;
    overflow: hidden;
    background:
        radial-gradient(ellipse 80% 60% at 15% 20%, rgba(143, 196, 214, 0.18), transparent 60%),
        radial-gradient(ellipse 70% 50% at 85% 80%, rgba(123, 185, 125, 0.15), transparent 60%),
        linear-gradient(180deg, var(--color-cream-light) 0%, var(--color-cream) 100%);
}

.hero-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-logo {
    margin: 0 auto 3rem;
    max-width: 560px;
    width: 80%;
    position: relative;
    animation: heroLogoFade 1.4s ease-out;
}

.hero-logo img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 30px rgba(74, 155, 94, 0.08));
}

.hero-logo::before,
.hero-logo::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    z-index: -1;
}

.hero-logo::before {
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(143, 196, 214, 0.25), transparent 70%);
    top: -10px;
    left: -20px;
    animation: float 6s ease-in-out infinite;
}

.hero-logo::after {
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, rgba(123, 185, 125, 0.25), transparent 70%);
    bottom: -10px;
    right: -10px;
    animation: float 7s ease-in-out infinite reverse;
}

@keyframes heroLogoFade {
    from { opacity: 0; transform: translateY(-12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.3em;
    color: var(--color-green);
    margin-bottom: 1.8rem;
    font-weight: 500;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4.2vw, 2.8rem);
    font-weight: 500;
    line-height: 1.7;
    letter-spacing: 0.08em;
    margin-bottom: 1.6rem;
    color: var(--color-text);
}

.hero-subtitle {
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    color: var(--color-text-soft);
    margin-bottom: 2rem;
    line-height: 2;
}

.hero-body {
    max-width: 640px;
    margin: 0 auto 2.8rem;
    color: var(--color-text-soft);
    line-height: 2.1;
    font-size: 0.95rem;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================
   ボタン
   ========================= */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.95rem 2rem;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    transition: all 0.25s ease;
    border: 1px solid transparent;
    cursor: pointer;
}

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

.btn-primary:hover {
    background: var(--color-green-leaf);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
    opacity: 1;
}

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

.btn-secondary:hover {
    background: var(--color-cream-deep);
    transform: translateY(-2px);
    opacity: 1;
}

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

.btn-ghost:hover {
    border-color: var(--color-green);
    color: var(--color-green);
    opacity: 1;
}

.btn-arrow::after {
    content: "→";
    transition: transform 0.25s;
}

.btn-arrow:hover::after {
    transform: translateX(4px);
}

/* =========================
   セクション共通
   ========================= */
.section-eyebrow {
    text-align: center;
    font-size: 0.78rem;
    letter-spacing: 0.35em;
    color: var(--color-green);
    margin-bottom: 1rem;
    font-weight: 500;
}

.section-title {
    font-family: var(--font-serif);
    text-align: center;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.section-lead {
    text-align: center;
    color: var(--color-text-soft);
    max-width: 640px;
    margin: 0 auto 3.5rem;
    font-size: 0.95rem;
    line-height: 2.1;
}

.divider {
    width: 40px;
    height: 1px;
    background: var(--color-green);
    margin: 0 auto 2rem;
    opacity: 0.5;
}

/* =========================
   3つの取り組み（カード）
   ========================= */
.programs {
    background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-cream-light) 100%);
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.8rem;
    margin-top: 1rem;
}

.program-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 2.4rem 2rem;
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}

.program-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.program-card-badge {
    display: inline-block;
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    padding: 0.25rem 0.8rem;
    border-radius: 999px;
    background: var(--color-cream-deep);
    color: var(--color-text-soft);
    margin-bottom: 1rem;
    align-self: flex-start;
}

.program-card-badge.is-active {
    background: rgba(74, 155, 94, 0.12);
    color: var(--color-green);
}

.program-card-badge.is-concept {
    background: rgba(232, 160, 92, 0.12);
    color: #C77F3D;
}

.program-card h3 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.program-card .card-en {
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    color: var(--color-text-mute);
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.program-card p {
    color: var(--color-text-soft);
    font-size: 0.9rem;
    line-height: 2;
    margin-bottom: 1.8rem;
    flex-grow: 1;
}

.program-card .card-link {
    color: var(--color-green);
    font-size: 0.88rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    align-self: flex-start;
}

.program-card .card-link::after {
    content: " →";
    transition: transform 0.25s;
    display: inline-block;
}

.program-card:hover .card-link::after {
    transform: translateX(4px);
}

/* =========================
   こころデザインラボとは（イントロ）
   ========================= */
.intro {
    background: var(--color-cream);
}

.intro-inner {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 1.5rem;
    text-align: center;
}

.intro-text {
    font-size: 1rem;
    line-height: 2.3;
    color: var(--color-text-soft);
    margin-bottom: 2rem;
}

.intro-text strong {
    color: var(--color-text);
    font-weight: 500;
}

/* =========================
   代表メッセージ
   ========================= */
.message {
    background: linear-gradient(180deg, var(--color-cream-light) 0%, var(--color-cream) 100%);
    position: relative;
}

.message-inner {
    max-width: 880px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 3rem;
    align-items: center;
}

.message-photo {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 3/4;
}

.message-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.message-body h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 1.3rem;
    line-height: 1.7;
    font-weight: 500;
}

.message-body p {
    color: var(--color-text-soft);
    font-size: 0.95rem;
    line-height: 2.1;
    margin-bottom: 1.2rem;
}

.message-body .signature {
    font-size: 0.9rem;
    color: var(--color-text);
    margin-top: 1.8rem;
    letter-spacing: 0.1em;
}

.message-body .signature strong {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 500;
    margin-left: 0.4rem;
}

/* =========================
   CTAセクション
   ========================= */
.cta-section {
    background:
        radial-gradient(ellipse 60% 80% at 50% 50%, rgba(143, 196, 214, 0.12), transparent 70%),
        var(--color-cream);
    text-align: center;
}

.cta-section .container-narrow {
    text-align: center;
}

.cta-section h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.6vw, 1.8rem);
    font-weight: 500;
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

.cta-section p {
    color: var(--color-text-soft);
    margin-bottom: 2.5rem;
    line-height: 2.1;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* =========================
   フッター
   ========================= */
.site-footer {
    background: var(--color-cream-deep);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-inner {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 1.3fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.footer-brand img {
    height: 44px;
    margin-bottom: 1rem;
}

.footer-brand .brand-name {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-green);
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.footer-brand p {
    color: var(--color-text-soft);
    font-size: 0.85rem;
    line-height: 1.9;
}

.footer-col h4 {
    font-size: 0.78rem;
    letter-spacing: 0.25em;
    color: var(--color-green);
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.7rem;
}

.footer-col a {
    color: var(--color-text);
    font-size: 0.88rem;
}

.footer-bottom {
    max-width: 1080px;
    margin: 0 auto;
    padding: 1.5rem 1.5rem 0;
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom small {
    color: var(--color-text-mute);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
}

.footer-disclaimer {
    background: rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-sm);
    padding: 1rem 1.2rem;
    margin-top: 1.5rem;
    font-size: 0.78rem;
    color: var(--color-text-soft);
    line-height: 1.8;
    border-left: 3px solid var(--color-green-leaf);
}

/* =========================
   ページヘッダー（下層共通）
   ========================= */
.page-header {
    padding: 5rem 0 4rem;
    text-align: center;
    background:
        radial-gradient(ellipse 60% 100% at 50% 0%, rgba(143, 196, 214, 0.12), transparent 70%),
        var(--color-cream-light);
    border-bottom: 1px solid var(--color-border);
}

.page-header .breadcrumb {
    font-size: 0.78rem;
    color: var(--color-text-mute);
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
}

.page-header .breadcrumb a {
    color: var(--color-text-mute);
}

.page-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.6rem, 3.4vw, 2.4rem);
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 1rem;
    letter-spacing: 0.08em;
}

.page-header .page-eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.35em;
    color: var(--color-green);
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.page-header .page-lead {
    color: var(--color-text-soft);
    max-width: 600px;
    margin: 0 auto;
    font-size: 0.95rem;
    line-height: 2.1;
}

/* =========================
   コンテンツブロック（下層）
   ========================= */
.content-block {
    margin-bottom: 4rem;
}

.content-block h2 {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    letter-spacing: 0.06em;
    padding-left: 1.2rem;
    border-left: 3px solid var(--color-green);
}

.content-block h3 {
    font-size: 1.1rem;
    margin: 2rem 0 1rem;
    color: var(--color-green);
    font-weight: 600;
}

.content-block p {
    color: var(--color-text);
    line-height: 2.1;
    margin-bottom: 1.2rem;
    font-size: 0.95rem;
}

.content-block ul {
    list-style: none;
    padding-left: 0;
    margin-bottom: 1.5rem;
}

.content-block ul li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.6rem;
    color: var(--color-text);
    line-height: 2;
    font-size: 0.95rem;
}

.content-block ul li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.85em;
    width: 6px;
    height: 6px;
    background: var(--color-green-leaf);
    border-radius: 50%;
}

/* =========================
   プロフィール
   ========================= */
.profile-hero {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
    margin-bottom: 4rem;
}

.profile-hero-photo {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    aspect-ratio: 3/4;
}

.profile-hero-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.profile-hero-info .role {
    font-size: 0.78rem;
    letter-spacing: 0.3em;
    color: var(--color-green);
    margin-bottom: 0.8rem;
}

.profile-hero-info h1 {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    letter-spacing: 0.08em;
}

.profile-hero-info .name-en {
    font-size: 0.9rem;
    color: var(--color-text-mute);
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
}

.profile-hero-info p {
    color: var(--color-text-soft);
    line-height: 2.1;
    font-size: 0.95rem;
}

.credentials {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem 2.4rem;
    margin-bottom: 3rem;
}

.credentials h3 {
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    color: var(--color-green);
    margin-bottom: 1.2rem;
    font-weight: 600;
}

.credentials ul {
    list-style: none;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.6rem;
}

.credentials li {
    color: var(--color-text);
    font-size: 0.92rem;
    padding-left: 1.4rem;
    position: relative;
    line-height: 1.9;
}

.credentials li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-green);
    font-weight: 600;
}

/* =========================
   伴走プログラム
   ========================= */
.bansou-pain {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 2.4rem;
    margin: 2rem 0 3rem;
    border: 1px solid var(--color-border);
}

.bansou-pain p {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    line-height: 2.2;
    color: var(--color-text);
    margin: 0;
    text-align: center;
}

.bansou-cta {
    background: linear-gradient(135deg, rgba(143, 196, 214, 0.12), rgba(123, 185, 125, 0.12));
    border-radius: var(--radius-lg);
    padding: 3rem;
    text-align: center;
    margin-top: 3rem;
}

.bansou-cta h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 500;
}

.bansou-cta p {
    color: var(--color-text-soft);
    margin-bottom: 2rem;
}

/* =========================
   構想中ページ（kibun, sharehouse）
   ========================= */
.concept-hero {
    text-align: center;
    padding: 3rem 0 2rem;
}

.concept-hero img {
    max-width: 280px;
    margin: 0 auto 2rem;
}

.concept-status {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: rgba(232, 160, 92, 0.15);
    color: #C77F3D;
    border-radius: 999px;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2rem 0 3rem;
}

.feature-item {
    background: #fff;
    padding: 1.8rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
}

.feature-item .feature-num {
    font-family: var(--font-serif);
    font-size: 0.85rem;
    color: var(--color-green);
    letter-spacing: 0.2em;
    margin-bottom: 0.6rem;
}

.feature-item h3 {
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
    color: var(--color-text);
    border: none;
    padding: 0;
}

.feature-item p {
    color: var(--color-text-soft);
    font-size: 0.88rem;
    line-height: 1.9;
    margin: 0;
}

/* =========================
   お問い合わせ
   ========================= */
.contact-form {
    background: #fff;
    padding: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-soft);
}

.form-group {
    margin-bottom: 1.6rem;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    font-weight: 500;
    margin-bottom: 0.6rem;
    color: var(--color-text);
    letter-spacing: 0.05em;
}

.form-group label .required {
    color: var(--color-orange);
    font-size: 0.75rem;
    margin-left: 0.4rem;
}

.form-group label .optional {
    color: var(--color-text-mute);
    font-size: 0.72rem;
    margin-left: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-cream-light);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-green);
    background: #fff;
}

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

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    margin-bottom: 1.8rem;
    font-size: 0.88rem;
    color: var(--color-text-soft);
    line-height: 1.8;
}

.form-checkbox input {
    margin-top: 0.3rem;
    flex-shrink: 0;
}

.form-submit {
    text-align: center;
}

.form-note {
    background: var(--color-cream-light);
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--color-text-soft);
    line-height: 1.9;
    margin-bottom: 2rem;
    border-left: 3px solid var(--color-blue-soft);
}

.form-success,
.form-error {
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
    display: none;
}

.form-success {
    background: rgba(74, 155, 94, 0.1);
    color: var(--color-green);
    border: 1px solid var(--color-green);
}

.form-error {
    background: rgba(232, 160, 92, 0.1);
    color: #C77F3D;
    border: 1px solid #E8A05C;
}

/* 医療注意書き */
.medical-notice {
    background: rgba(143, 196, 214, 0.08);
    border-radius: var(--radius-md);
    padding: 1.8rem 2rem;
    margin: 3rem 0;
    border-left: 3px solid var(--color-blue);
}

.medical-notice h4 {
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--color-blue);
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.medical-notice p {
    font-size: 0.85rem;
    color: var(--color-text-soft);
    line-height: 1.9;
    margin: 0;
}

/* =========================
   レスポンシブ
   ========================= */
@media (max-width: 860px) {
    section {
        padding: 4.5rem 0;
    }

    .menu-toggle {
        display: block;
    }

    .site-nav {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-cream-light);
        flex-direction: column;
        padding: 2rem 1.5rem;
        gap: 1.2rem;
        align-items: stretch;
        text-align: center;
        border-bottom: 1px solid var(--color-border);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    .site-nav.is-open {
        transform: translateY(0);
    }

    .site-nav a.nav-cta {
        display: inline-block;
        margin: 0.5rem auto 0;
        max-width: 200px;
    }

    .program-grid {
        grid-template-columns: 1fr;
        gap: 1.2rem;
    }

    .message-inner,
    .profile-hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .message-photo,
    .profile-hero-photo {
        max-width: 220px;
        margin: 0 auto;
    }

    .credentials ul {
        grid-template-columns: 1fr;
    }

    .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .contact-form,
    .bansou-cta {
        padding: 2rem 1.5rem;
    }

    .hero {
        padding: 4.5rem 0 4rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .footer-inner {
        grid-template-columns: 1fr;
    }

    .hero-cta,
    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        justify-content: center;
    }
}

/* =========================
   イベント／鎌倉実証プロジェクト
   ========================= */
.event-section {
    background: linear-gradient(180deg, #F4F8F2 0%, #EDF3EE 100%);
    position: relative;
    overflow: hidden;
}

.event-section::before {
    content: "";
    position: absolute;
    top: -50px;
    left: -50px;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(123, 185, 125, 0.18), transparent 70%);
    border-radius: 50%;
}

.event-section::after {
    content: "";
    position: absolute;
    bottom: -80px;
    right: -50px;
    width: 240px;
    height: 240px;
    background: radial-gradient(circle, rgba(143, 196, 214, 0.15), transparent 70%);
    border-radius: 50%;
}

.event-badge {
    display: inline-block;
    padding: 0.45rem 1.3rem;
    background: var(--color-green);
    color: #fff;
    border-radius: 999px;
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    margin-bottom: 1.2rem;
    font-weight: 500;
}

.event-headline {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 2.6vw, 1.8rem);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.05em;
}

.event-posters {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin: 2.5rem 0;
}

.event-posters img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--color-border);
}

.event-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.2rem;
    margin: 2rem 0;
}

.event-feature {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(74, 155, 94, 0.15);
    border-radius: var(--radius-md);
    padding: 1.5rem 1.3rem;
    text-align: center;
    backdrop-filter: blur(6px);
}

.event-feature-icon {
    width: 44px;
    height: 44px;
    margin: 0 auto 0.8rem;
    border-radius: 50%;
    background: rgba(74, 155, 94, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.event-feature h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.event-feature p {
    font-size: 0.82rem;
    color: var(--color-text-soft);
    line-height: 1.8;
    margin: 0;
}

.timetable {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 2rem 2.4rem;
    border: 1px solid var(--color-border);
    margin: 2rem 0;
}

.timetable h3 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    color: var(--color-green);
    margin-bottom: 1.2rem;
    padding: 0;
    border: none;
    font-weight: 500;
}

.timetable-block {
    margin-bottom: 1.5rem;
}

.timetable-block:last-child {
    margin-bottom: 0;
}

.timetable-block-title {
    font-size: 0.85rem;
    color: var(--color-green);
    letter-spacing: 0.15em;
    font-weight: 600;
    margin-bottom: 0.6rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px dashed var(--color-border);
}

.timetable-row {
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 1rem;
    padding: 0.5rem 0;
    font-size: 0.92rem;
    line-height: 1.7;
}

.timetable-row .time {
    color: var(--color-green);
    font-weight: 500;
    font-variant-numeric: tabular-nums;
}

.timetable-row .activity {
    color: var(--color-text);
}

.event-info {
    background: rgba(255, 255, 255, 0.85);
    border-radius: var(--radius-md);
    padding: 1.8rem 2rem;
    border-left: 3px solid var(--color-green);
    margin: 2rem 0;
}

.event-info dl {
    display: grid;
    grid-template-columns: 130px 1fr;
    gap: 0.7rem 1.5rem;
    font-size: 0.92rem;
    line-height: 1.8;
}

.event-info dt {
    color: var(--color-green);
    font-weight: 600;
    letter-spacing: 0.05em;
}

.event-info dd {
    color: var(--color-text);
    margin: 0;
}

@media (max-width: 720px) {
    .event-posters,
    .event-features {
        grid-template-columns: 1fr;
    }

    .event-info dl {
        grid-template-columns: 100px 1fr;
        gap: 0.5rem 1rem;
        font-size: 0.88rem;
    }

    .timetable {
        padding: 1.6rem 1.4rem;
    }

    .timetable-row {
        grid-template-columns: 90px 1fr;
        gap: 0.6rem;
        font-size: 0.88rem;
    }
}

/* スクロール時アニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.is-visible {
    opacity: 1;
    transform: translateY(0);
}