:root {
    /* Color Palette - Warm & Soft Wakaba Green (優しい和モダン) */
    --color-bg-light: #f4f8f4;     /* Soft Washi Cream with Green touch (薄緑・生成り) */
    --color-bg-dark: #0a2012;      /* Deep Elegant Forest Green-Black for headers/dark sections */
    --color-bg-card: #ffffff;      /* Pure Soft White for cards/letters (白木・紙色) */
    --color-primary: #00632a;      /* Active Wakaba Green (わかば運送の深緑) */
    --color-accent: #8b2626;       /* Soft Japanese Madder/Vermilion (朱漆・茜色) */
    --color-gold: #b58120;         /* Soft Gold Ochre (上品な金茶色) */
    --color-text-main: #223326;    /* Sincere Forest Charcoal for main dark text */
    --color-text-light: #e8efe9;   /* Soft off-white for dark background elements */
    --color-text-dim: #8ba391;     /* Soft green-gray for subtitles/decorations */
    
    /* Typography */
    --font-brush: 'Yuji Syuku', serif;
    --font-handwriting: 'Klee One', serif;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

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

body {
    font-family: var(--font-handwriting), var(--font-serif), serif;
    color: var(--color-text-main);
    background-color: var(--color-bg-light);
    line-height: 1.9;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

.inner {
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.block {
    display: block;
}

.inline-block {
    display: inline-block;
}

/* =========================================
   Sincere Label (和モダンな見出し前ラベル)
   ========================================= */
.sec-label {
    display: inline-block;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    padding: 3px 12px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.text-center .sec-label {
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(1.4rem, 4.5vw, 2rem);
    font-weight: 700;
    color: var(--color-primary); /* 明るい背景で見えやすいよう深緑に変更 */
    line-height: 1.4;
    margin-bottom: 40px;
    letter-spacing: 0.05em;
}

/* =========================================
   Hero Section (超特大で一面に表示)
   ========================================= */
.sec-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
}

.bg-img {
    width: 100%; height: 100%;
    background-size: cover;
    background-position: center;
}

.bg-overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    /* 黒くて怖いグラデーションを、美しく格調高い深緑＆わかばグリーンの透過グラデーションに変更 */
    background: linear-gradient(135deg, 
        rgba(10, 32, 18, 0.82) 0%, 
        rgba(0, 99, 42, 0.93) 100%);
}

.hero-content {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* 上部メインコピーセクション (中央寄せ) */
.hero-main-wrap {
    width: 100%;
    text-align: center;
    margin-bottom: 30px;
}

.hero-brand {
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.25em;
    color: var(--color-gold); /* サブタイトルを上品なゴールドに */
    margin-bottom: 20px;
    display: inline-block;
}

.hero-serif-wrap {
    margin-bottom: 25px;
}

.hero-catch {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 3.5vw, 1.8rem);
    color: var(--color-text-light);
    margin-bottom: 10px;
    letter-spacing: 0.15em;
    line-height: 1.3;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 7vw, 3.6rem);
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    letter-spacing: 0.08em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.hero-sub {
    font-family: var(--font-handwriting);
    font-size: clamp(0.88rem, 2.5vw, 1.02rem);
    line-height: 2;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 0.06em;
    max-width: 680px;
    margin: 0 auto;
}

/* 上品な和モダンの境界線 */
.hero-divider {
    width: 80px;
    height: 1px;
    background-color: var(--color-gold);
    margin: 15px auto 35px auto;
    opacity: 0.7;
    position: relative;
}

.hero-divider::after {
    content: '◆';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) scale(0.6);
    color: var(--color-gold);
    font-size: 8px;
    background-color: transparent;
}

/* 下部フックセクション (中央寄せ) */
.hero-hook {
    text-align: center;
    width: 100%;
    margin-bottom: 20px;
}

.hook-badge {
    display: inline-block;
    background-color: var(--color-accent);
    color: #ffffff;
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 900;
    padding: 4px 14px;
    letter-spacing: 0.2em;
    margin-bottom: 15px;
    border-radius: 2px;
}

.hook-text {
    font-family: var(--font-brush);
    color: #ffffff;
    line-height: 1.3;
    font-weight: 400;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    width: 100%;
}

.hook-line-1,
.hook-line-2 {
    display: block;
    width: 100%;
    text-align: center;
}

.hook-line-1 {
    font-size: clamp(1.8rem, 5.5vw, 2.8rem);
    letter-spacing: 0.05em;
}

.hook-line-2 {
    font-size: clamp(1.6rem, 4.5vw, 2.4rem);
    letter-spacing: 0.05em;
    margin-top: 8px;
}

.scroll-indicator {
    position: absolute;
    bottom: 25px;
    left: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.scroll-text {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    letter-spacing: 0.1em;
    color: var(--color-text-dim);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.15);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background-color: var(--color-accent);
    animation: slideDown 2s infinite;
}

@keyframes slideDown {
    0% { top: -100%; }
    100% { top: 100%; }
}

/* =========================================
   Global Section Styles
   ========================================= */
section {
    padding: 80px 0;
}

/* =========================================
   Message (Handwritten Letter Style - Fully Unified Font)
   ========================================= */
.sec-message {
    background-color: var(--color-bg-light); /* 柔らかく明るい和紙風の薄緑 */
}

.letter-card {
    background-color: var(--color-bg-card); /* 純白の美しい紙 */
    background-image: 
        radial-gradient(rgba(0, 99, 42, 0.015) 1px, transparent 0),
        radial-gradient(rgba(0, 99, 42, 0.015) 1px, transparent 0);
    background-size: 8px 8px;
    background-position: 0 0, 4px 4px;
    border-radius: 6px;
    border: 1px solid rgba(0, 99, 42, 0.08);
    box-shadow: 0 15px 45px rgba(0, 40, 15, 0.06); /* 柔らかく優しい緑がかった影 */
    padding: 35px 20px;
    color: var(--color-text-main);
    position: relative;
    /* Font Unified to Klee One (Handwriting) */
    font-family: var(--font-handwriting), serif !important;
}

.letter-title {
    font-family: var(--font-handwriting), serif !important; /* Unified to handwriting */
    font-size: clamp(1.25rem, 3.8vw, 1.8rem);
    font-weight: 600; /* Use thick handwriting */
    color: var(--color-text-dark);
    line-height: 1.45;
    margin-bottom: 35px;
    letter-spacing: 0.05em;
    border-bottom: 2px solid rgba(0, 0, 0, 0.08);
    padding-bottom: 15px;
}

.letter-body p {
    font-family: var(--font-handwriting), serif !important; /* Unified */
    font-size: clamp(0.95rem, 3vw, 1.02rem);
    margin-bottom: 25px;
    line-height: 2.1;
    color: #333333;
}

.letter-body p strong {
    font-weight: 700;
    color: var(--color-primary);
    background: linear-gradient(transparent 60%, rgba(0, 90, 40, 0.08) 0%);
}

/* Unified handwriting paragraph without floaty borders/backgrounds */
.letter-highlight-text {
    font-family: var(--font-handwriting), serif !important;
    font-size: clamp(0.98rem, 3vw, 1.05rem) !important;
    line-height: 2.1 !important;
    color: #222222 !important;
    margin: 35px 0;
}

/* Beautiful natural handwriting underline that blends perfectly */
.letter-underline {
    font-weight: 600;
    background: linear-gradient(transparent 65%, rgba(194, 137, 37, 0.22) 0%); /* Cream gold highlighter style */
    border-bottom: 1.5px solid rgba(194, 137, 37, 0.45);
    padding-bottom: 1px;
}

.letter-footer {
    margin-top: 50px;
    border-top: 1px dashed rgba(0, 0, 0, 0.1);
    padding-top: 30px;
    text-align: right;
    font-family: var(--font-handwriting), serif !important;
}

.sign-title {
    font-family: var(--font-handwriting), serif !important;
    font-size: 0.8rem;
    font-weight: 600;
    color: #666666;
    letter-spacing: 0.1em;
}

.sign-name {
    font-family: var(--font-handwriting), serif !important;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-top: 5px;
}

.brush-sign {
    font-family: var(--font-handwriting), serif !important; /* Unified to handwriting */
    font-size: clamp(1.4rem, 5vw, 1.9rem);
    font-weight: 600;
    color: var(--color-text-dark);
    margin-left: 8px;
    vertical-align: middle;
    border-bottom: 1.5px solid rgba(0,0,0,0.2);
    padding-bottom: 1px;
}

/* =========================================
   Philosophy Section (3:3:3:1 Meter & Details)
   ========================================= */
.sec-philosophy {
    background: #eef5ee; /* 爽やかで明るい和モダンの薄緑 */
    position: relative;
    border-top: 1px solid rgba(0, 99, 42, 0.05);
    border-bottom: 1px solid rgba(0, 99, 42, 0.05);
}

.philosophy-intro {
    font-family: var(--font-handwriting);
    font-size: 0.95rem;
    color: #4a5c4e; /* 読みやすい暗めの緑グレー */
    max-width: 600px;
    margin: 0 auto 50px;
    line-height: 1.8;
}

/* 分配率バーメーターのスタイル (明るい調和カラー) */
.ratio-graphic {
    width: 100%;
    margin-bottom: 50px;
}

.ratio-bar {
    display: flex;
    height: 40px;
    border-radius: 4px;
    overflow: hidden;
    background-color: rgba(0,99,42,0.05);
    border: 1px solid rgba(0,99,42,0.1);
}

.bar-segment {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.bar-segment .label {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    color: #ffffff;
    white-space: nowrap;
    opacity: 0;
    animation: fadeInLabel 0.5s forwards 1.2s;
}

@keyframes fadeInLabel {
    to { opacity: 1; }
}

/* 優しい若葉色の階調に調和させたバーカラー */
.bar-segment.employee { background-color: #00632a; }
.bar-segment.company { background-color: #00873a; }
.bar-segment.president { background-color: #1b4b2e; }
.bar-segment.community { background-color: var(--color-gold); }

.boards-container {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

/* White Cedar Board Aesthetic (明るい白木風の上品なパネル) */
.wooden-board {
    background-color: #ffffff; /* 白木の清潔感 */
    background-image: repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(0,99,42,0.01) 40px, rgba(0,99,42,0.01) 80px);
    border-left: 4px solid var(--color-primary);
    border-right: 1px solid rgba(0, 99, 42, 0.06);
    border-top: 1px solid rgba(0, 99, 42, 0.06);
    border-bottom: 2px solid rgba(0, 40, 15, 0.08);
    box-shadow: 0 6px 20px rgba(0,40,15,0.03);
    padding: 25px;
    position: relative;
}

.wooden-board.community {
    border-left-color: var(--color-gold);
}

.board-top {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.board-num {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    line-height: 1;
    color: var(--color-primary);
    font-weight: 700;
}

.board-num.text-accent {
    color: var(--color-gold);
}

.board-title {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    letter-spacing: 0.05em;
}

.board-title.text-accent {
    color: var(--color-gold);
}

.board-content p {
    font-family: var(--font-handwriting);
    font-size: 0.9rem;
    color: #4a5c4e; /* 読みやすい緑グレー */
    line-height: 1.8;
}

/* =========================================
   Promise Section (Clean Smart Numbers)
   ========================================= */
.sec-promise {
    background-color: var(--color-bg-light); /* 優しい薄緑ベース */
}

.promise-cards {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.promise-card {
    background: #ffffff; /* 明るい純白カード */
    border: 1px solid rgba(0, 99, 42, 0.06);
    box-shadow: 0 10px 30px rgba(0, 40, 15, 0.03); /* 柔らかい影 */
    border-radius: 4px;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 180px;
    background-size: cover;
    background-position: center;
    filter: sepia(5%) contrast(1.02) brightness(0.85); /* 明るめのフィルター */
    position: relative;
}

.card-img::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(to top, rgba(255,255,255,1), transparent 70%); /* 白フェードに変更 */
}

.card-body {
    padding: 25px 20px;
    position: relative;
}

/* Clean Smart Number (01, 02, 03) */
.card-num {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary);
    display: block;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: 0.05em;
}

.card-body h3 {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-text-main);
    margin-bottom: 12px;
    line-height: 1.4;
}

.card-body p {
    font-family: var(--font-handwriting);
    font-size: 0.9rem;
    color: #4a5c4e; /* 読みやすい緑グレー */
    line-height: 1.8;
}

/* =========================================
   Conditions Section (募集要項・労働条件) - 美しい下線レイアウト
   ========================================= */
.sec-conditions {
    background-color: #eef5ee; /* 上品で明るい薄緑 */
    position: relative;
    border-top: 1px solid rgba(0, 99, 42, 0.05);
    border-bottom: 1px solid rgba(0, 99, 42, 0.05);
}

.conditions-intro {
    font-family: var(--font-handwriting) !important;
    font-size: 0.95rem;
    color: #4a5c4e;
    max-width: 600px;
    margin: 0 auto 50px;
    line-height: 1.8;
    text-align: center;
}

.conditions-list-wrap {
    width: 100%;
    margin-top: 40px;
    font-family: var(--font-handwriting) !important;
}

/* 各行を美しい下線で区切る */
.condition-row {
    display: flex;
    padding: 35px 0;
    border-bottom: 1px solid rgba(0, 99, 42, 0.15); /* 繊細な深緑の透過ボーダー */
}

.condition-row:first-child {
    border-top: 1px solid rgba(0, 99, 42, 0.15);
}

/* 左側：項目名 */
.condition-name {
    width: 220px;
    font-family: var(--font-handwriting) !important;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-gold); /* 上品な金茶色 */
    letter-spacing: 0.05em;
    padding-top: 2px;
    flex-shrink: 0;
}

/* 右側：内容 */
.condition-desc {
    flex-grow: 1;
    font-family: var(--font-handwriting) !important;
    font-size: 0.98rem;
    color: var(--color-text-main); /* 読みやすい暗めの文字 */
    line-height: 1.9;
}

.income-big {
    font-family: var(--font-handwriting) !important;
    font-size: clamp(1.4rem, 4.5vw, 1.8rem);
    font-weight: 600;
    color: var(--color-primary); /* 深緑で大きく強調 */
    display: inline-block;
    margin-bottom: 5px;
}

.income-sub {
    display: block;
    font-size: 0.82rem;
    color: #666666;
    margin-bottom: 12px;
}

.income-bonus {
    font-size: 0.92rem;
    color: var(--color-text-main);
    background-color: rgba(0, 99, 42, 0.04); /* 上品な緑の極薄背景 */
    border-left: 2px solid var(--color-primary);
    padding: 15px 20px;
    margin-top: 15px;
    border-radius: 2px;
}

.income-bonus strong {
    color: var(--color-primary);
    font-weight: 600;
    display: block;
    margin-bottom: 4px;
}

.income-bonus p {
    font-size: 0.85rem;
    color: #4a5c4e;
    margin: 0;
}

/* 休日・休暇のスタイリッシュなタグ表示 */
.condition-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 0;
    margin: 0;
}

.condition-tags li {
    background-color: rgba(0, 99, 42, 0.04);
    border: 1px solid rgba(0, 99, 42, 0.12);
    color: var(--color-primary);
    padding: 6px 16px;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    border-radius: 2px;
}

/* 福利厚生の美しい箇流書きリスト */
.condition-bullets {
    list-style: none;
    padding: 0;
    margin: 0;
}

.condition-bullets li {
    margin-bottom: 12px;
    padding-left: 22px;
    position: relative;
    line-height: 1.8;
}

.condition-bullets li:last-child {
    margin-bottom: 0;
}

/* 和モダンな丸・菱形マークのスタイリング */
.condition-bullets li::before {
    content: '';
    position: absolute;
    left: 4px;
    top: 9px;
    width: 6px;
    height: 6px;
    background-color: var(--color-primary); /* 深緑のアクセント */
    transform: rotate(45deg);
}

.condition-bullets li strong {
    color: var(--color-primary);
    font-weight: 600;
}

.thinking-more {
    font-style: normal;
    color: #666666 !important;
    margin-top: 20px !important;
    padding-left: 0 !important;
    border-top: 1px dashed rgba(0, 99, 42, 0.15);
    padding-top: 15px !important;
}

.thinking-more::before {
    display: none !important;
}

/* =========================================
   CTA Section
   ========================================= */
.sec-cta {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    background: var(--color-bg-dark); /* 深緑黒 */
}

.cta-bg {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background-image: url('../assets/slide1.jpg');
    background-size: cover;
    background-position: center;
    filter: sepia(10%) contrast(1.05) brightness(0.12); /* セピア・温かみブレンド */
    z-index: 1;
}

/* 上品な緑の透過オーバーレイを追加 */
.sec-cta::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(10, 32, 18, 0.75) 0%, rgba(0, 99, 42, 0.85) 100%);
    z-index: 2;
}

.sec-cta .inner {
    position: relative;
    z-index: 3;
}

.cta-title {
    font-family: var(--font-brush);
    font-size: clamp(1.6rem, 5vw, 2.4rem);
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: 25px;
    letter-spacing: 0.05em;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.cta-text {
    font-family: var(--font-handwriting);
    font-size: 0.95rem;
    color: var(--color-text-light); /* 明るい透過緑文字 */
    margin-bottom: 45px;
    line-height: 1.9;
}

.cta-btns {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary);
    color: #ffffff;
    text-decoration: none;
    padding: 18px 30px;
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    width: 100%;
    max-width: 380px;
    border-bottom: 3px solid rgba(0,0,0,0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: background-color 0.2s, transform 0.2s;
}

.btn-cta:hover {
    background-color: #004c20;
    transform: translateY(-1px);
}

.btn-back {
    display: inline-block;
    color: var(--color-text-dim);
    text-decoration: none;
    font-family: var(--font-handwriting);
    font-size: 0.85rem;
    border-bottom: 1px dashed rgba(255,255,255,0.15);
    padding-bottom: 3px;
    transition: color 0.2s;
}

.btn-back:hover {
    color: #ffffff;
}

/* =========================================
   Sticky CTA (Mobile)
   ========================================= */
.sticky-cta {
    position: fixed;
    bottom: 0; left: 0;
    width: 100%;
    background: rgba(10, 32, 18, 0.95); /* 黒から上品な深緑の透過背景へ変更 */
    border-top: 1px solid rgba(0, 99, 42, 0.15);
    padding: 12px 15px;
    z-index: 999;
    transform: translateY(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.sticky-cta.is-active {
    transform: translateY(0);
}

.btn-sticky {
    display: block;
    width: 100%;
    background-color: var(--color-accent);
    color: #ffffff;
    text-align: center;
    text-decoration: none;
    padding: 15px;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 15px rgba(178, 34, 34, 0.3);
    border-bottom: 2px solid rgba(0,0,0,0.2);
}

/* =========================================
   Responsive Adjustments (Oppo Reno 9A Optimized)
   ========================================= */
@media (max-width: 767px) {
    /* Heroの不自然な黒い空白を完全に削除 */
    .sec-hero {
        height: auto;
        min-height: 100vh; 
        padding: 80px 0 60px 0;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    
    .hero-content {
        padding: 0 15px !important; /* 中央寄せにふさわしい美しい余白 */
    }
    
    .hero-brand {
        margin-bottom: 12px !important;
    }
    
    .hero-catch {
        font-size: 1.1rem !important;
        margin-bottom: 5px !important;
    }
    
    .hero-title {
        font-size: 2.1rem !important;
        letter-spacing: 0.05em !important;
    }
    
    .hero-sub {
        font-size: 0.88rem !important;
        line-height: 1.8 !important;
    }
    
    .hero-divider {
        margin: 20px auto 25px auto !important;
    }
    
    .hook-badge {
        margin-bottom: 10px !important;
        font-size: 0.7rem !important;
        padding: 3px 10px !important;
    }
    
    /* 中央寄せされたスマホ向けタイポグラフィ調整 */
    .hook-line-1 {
        font-size: 28px !important; 
        letter-spacing: 0.02em !important;
    }
    
    .hook-line-2 {
        font-size: 23px !important; 
        letter-spacing: 0.02em !important;
        margin-top: 6px;
    }
    
    .sec-message {
        padding: 50px 0;
    }
    
    .letter-card {
        padding: 25px 15px !important; /* 360pxスマホ幅で手紙カード内の余白を最適化 */
    }
    
    .letter-title {
        font-size: 1.22rem !important; /* スマホでの見出し文字の折返しと可読性の極限バランス */
        line-height: 1.4 !important;
        margin-bottom: 25px !important;
    }
    
    .letter-body p {
        font-size: 0.92rem !important;
        line-height: 2 !important;
        margin-bottom: 20px !important;
    }
    
    .letter-highlight-text {
        margin: 25px 0 !important;
    }
    
    .scroll-indicator {
        bottom: 15px;
    }
    
    /* 3:3:3:1 のメーターバーのスマホ極限最適化（はみ出し防止） */
    .ratio-graphic {
        margin-bottom: 35px;
    }
    
    .ratio-bar {
        height: 34px !important; /* スマホではバーを少しスリムに */
    }
    
    .bar-segment .label {
        font-size: 0.65rem !important; /* 文字サイズを詰め、絶対にバーからはみ出さない */
        letter-spacing: 0px !important;
    }
    
    /* 募集要項リストのスマホ縦並び化 (絶対に横崩れ・右はみ出しを起こさない完全分解設計) */
    .conditions-list-wrap {
        margin-top: 25px;
    }
    
    .condition-row {
        display: block !important; /* 横並びフレックスを完全にブロック化 */
        padding: 25px 5px !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    }
    
    .condition-row:first-child {
        border-top: 1px solid rgba(255, 255, 255, 0.12) !important;
    }
    
    .condition-name {
        width: 100% !important;
        font-size: 1.1rem !important;
        margin-bottom: 15px !important;
        padding-bottom: 6px !important;
        border-bottom: 1.5px solid var(--color-primary) !important; /* 各項目の見出し下にグリーンの細い下線 */
        display: inline-block !important;
    }
    
    .condition-desc {
        width: 100% !important;
        padding-left: 2px !important;
    }
    
    .income-big {
        font-size: 1.3rem !important;
        display: block !important;
        margin-bottom: 6px !important;
    }
    
    .income-sub {
        font-size: 0.8rem !important;
        line-height: 1.4 !important;
        margin-bottom: 12px !important;
    }
    
    .income-bonus {
        padding: 12px 15px !important;
        margin-top: 12px !important;
        font-size: 0.85rem !important;
    }
    
    .income-bonus p {
        font-size: 0.8rem !important;
        line-height: 1.45 !important;
    }
    
    .condition-tags {
        gap: 8px !important;
    }
    
    .condition-tags li {
        padding: 4px 12px !important;
        font-size: 0.85rem !important;
    }
    
    .condition-bullets li {
        font-size: 0.9rem !important;
        line-height: 1.7 !important;
        margin-bottom: 10px !important;
        padding-left: 18px !important;
    }
    
    .condition-bullets li::before {
        top: 7px !important;
        width: 5px !important;
        height: 5px !important;
    }
    
    .thinking-more {
        margin-top: 15px !important;
        padding-top: 12px !important;
        font-size: 0.85rem !important;
    }
}

@media (min-width: 480px) {
    .letter-card {
        padding: 50px 40px;
    }
}

@media (min-width: 768px) {
    section {
        padding: 100px 0;
    }
    
    .boards-container {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .wooden-board {
        width: calc(50% - 15px);
        padding: 30px;
    }
    
    .promise-cards {
        flex-direction: row;
        gap: 25px;
    }
    
    .promise-card {
        width: calc(33.333% - 17px);
    }
    
    .card-img {
        height: 220px;
    }
    
    .cta-btns {
        flex-direction: row;
        justify-content: center;
        gap: 30px;
    }
    
    .btn-cta {
        margin-bottom: 0;
    }
}