:root {

    --bg-base: #FCFAF6;             /* ほんのり温かみのある優しい生成り（白砂色） */
    --bg-card: #FFFFFF;             /* ピュアホワイト */
    --text-main: #2D3142;           /* 炭黒（えんぴつの芯のような柔らかさ、真っ黒は使わない） */
    --text-muted: #646E7E;          /* 柔らかいアスファルトグレー */
    --color-sky: #0EA5E9;           /* 澄み切った現場の青空色（メイン信頼色） */
    --color-clay: #F97316;          /* 陽だまりの粘土・テラコッタ（明るいアクティブアクセント） */
    --color-leaf: #10B981;          /* 山口の山々を想起させるフレッシュグリーン（安心・実績） */

    --radius-sketch: 255px 15px 225px 15px/15px 225px 15px 255px;
    --radius-normal: 16px;
    --radius-sm: 8px;

    --shadow-craft: 5px 5px 0px #2D3142;
    --shadow-craft-hover: 8px 8px 0px #2D3142;
    --shadow-soft: 0 10px 30px -5px rgba(45, 49, 66, 0.05);

    --border-sketch: 2.5px solid #2D3142;
    --border-light: 1.5px solid rgba(45, 49, 66, 0.1);

    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* ==========================================================================   GLOBAL INITIALIZATION
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {

    font-family: 'M PLUS Rounded 1c', 'Quicksand', sans-serif;
    color: var(--text-main);
    background-color: var(--bg-base);

    /* 背景ノイズと方眼紙グリッド（CORSやクリック阻害を回避する複数背景レイヤー設計） */
    background-image:

        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.015'/%3E%3C/svg%3E"),

        linear-gradient(rgba(45, 49, 66, 0.015) 1.5px, transparent 1.5px),

        linear-gradient(90deg, rgba(45, 49, 66, 0.015) 1.5px, transparent 1.5px);

    background-size: auto, 40px 40px, 40px 40px;

    background-attachment: fixed;

    line-height: 1.8;
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

.section-container {
    width: 100%;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==========================================================================   TYPOGRAPHY & BRAND MARKERS
   ========================================================================== */
.section-heading {
    margin-bottom: 72px;
}
.section-heading.text-center {
    text-align: center;
}

.sub-title {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--color-clay);
    background-color: rgba(249, 115, 22, 0.08);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    border: 1px solid rgba(249, 115, 22, 0.2);
}

.main-title {
    font-size: 2.25rem;
    font-weight: 900;
    line-height: 1.4;
    color: var(--text-main);
}
.main-title.text-center {
    text-align: center;
}

.heading-lead {
    font-size: 1.0625rem;
    color: var(--text-muted);
    margin-top: 16px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.text-center { text-align: center; }
.text-sky { color: var(--color-sky) !important; }
.text-clay { color: var(--color-clay) !important; }
.text-leaf { color: var(--color-leaf) !important; }

/* ==========================================================================   CRAFT BUTTONS (コミック調の押しごたえ)
   ========================================================================== */
.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: var(--color-clay);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 1rem;
    padding: 16px 36px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);
    cursor: pointer;
}
.primary-btn:hover {
    background-color: #F97316;
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-craft-hover);
    color: #FFFFFF;
}
.primary-btn.lg {
    font-size: 1.125rem;
    padding: 20px 48px;
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: #FFFFFF;
    color: var(--text-main);
    font-weight: 700;
    font-size: 1rem;
    padding: 16px 32px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);
}
.secondary-btn:hover {
    background-color: var(--bg-base);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-craft-hover);
}

/* ==========================================================================   HEADER NAVIGATION (温かみのあるルーフ)
   ========================================================================== */

/* ロゴ画像表示用のプロ仕様スタイル */
.logo-img-wrapper {
    display: flex;
    align-items: center;
    max-height: 48px;
}
.header-logo-img {
    height: auto;
    max-height: 70px;  
    max-width: 290px;  
    display: block;
    object-fit: contain;
    transition: var(--transition-smooth);
}
.logo-link:hover .header-logo-img {
    transform: scale(1.02);
}

.global-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(252, 250, 246, 0.93);
    backdrop-filter: blur(10px);
    border-bottom: var(--border-sketch);
    transition: var(--transition-smooth);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-icon {
    width: 44px;
    height: 44px;
    background-color: var(--color-sky);
    color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: 2px 2px 0px var(--text-main);
}
.logo-text-group {
    display: flex;
    flex-direction: column;
}
.logo-text-ja {
    font-size: 1.125rem;
    color: var(--text-main);
    line-height: 1.2;
}
.logo-text-ja strong {
    font-weight: 900;
}
.logo-text-sub {
    font-size: 0.6875rem;
    color: var(--text-muted);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-top: 2px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-item {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    position: relative;
    padding: 4px 0;
}
.nav-item::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background-color: var(--color-sky);
    border-radius: 10px;
    transition: var(--transition-smooth);
}
.nav-item:hover::after {
    width: 100%;
}

.cta-button-nav {
    font-size: 0.8125rem;
    font-weight: 900;
    background-color: var(--color-sky);
    color: #FFFFFF;
    padding: 10px 20px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    box-shadow: 2px 2px 0px var(--text-main);
}
.cta-button-nav:hover {
    transform: translate(-1px, -1px);
    box-shadow: 3px 3px 0px var(--text-main);
    color: #FFFFFF;
}

/* ハンバーガーメニュー */
.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 24px;
    position: relative;
    flex-direction: column;
    justify-content: space-between;
    z-index: 1010; /* 最前面で絶対にタップを受け取れるように */
    pointer-events: auto;
}
.hamburger-line {
    display: block; /* インライン要素のサイズ潰れバグを100%確実に防ぐ */
    width: 100%;
    height: 3px;
    background-color: var(--text-main);
    border-radius: 10px;
    transition: var(--transition-smooth);
}

/* ==========================================================================   HERO MAIN VIEW (絵本を開いたかのようなレイアウト)
   ========================================================================== */
.hero-section {
    padding-top: 150px;
    padding-bottom: 96px;
    background: radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.08) 0%, rgba(252, 250, 246, 0) 60%);
    overflow: hidden;
}

.hero-container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 64px;
    align-items: center;
}

.hero-tag-badge {
    display: inline-block;
    background-color: var(--color-leaf);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 0.8125rem;
    padding: 6px 16px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    box-shadow: 2px 2px 0px var(--text-main);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.0625rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.collage-container {
    position: relative;
    width: 100%;
    height: 420px;
}

.collage-card {
    position: absolute;
    background-color: var(--bg-card);
    border: var(--border-sketch);
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);
}

.card-pin {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 1.5rem;
    color: var(--color-clay);
    filter: drop-shadow(2px 2px 0px rgba(0,0,0,0.1));
}

.card-main {
    width: 280px;
    border-radius: var(--radius-normal);
    padding: 16px;
    left: 10px;
    top: 10px;
    z-index: 2;
}

.sketch-phone-mock {
    background-color: #FFFFFF;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid var(--text-main);
}
.phone-status-bar {
    background-color: #F1F5F9;
    font-size: 10px;
    font-weight: 700;
    padding: 4px 10px;
    text-align: center;
    border-bottom: 1.5px solid var(--text-main);
}
.phone-app-inner {
    padding: 14px;
}
.app-brand-bar {
    font-size: 12px;
    font-weight: 900;
    color: var(--color-sky);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.app-field-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}
.app-field-item label {
    font-size: 9px;
    font-weight: 900;
    color: var(--text-muted);
}
.app-field-value {
    background-color: var(--bg-base);
    border: 1.5px solid var(--text-main);
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
}
.app-field-value-select {
    background-color: var(--bg-base);
    border: 1.5px solid var(--text-main);
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 700;
    border-radius: 4px;
    position: relative;
}
.app-field-value-select::after {
    content: "▼";
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 8px;
}
.app-photo-box {
    border: 1.5px dashed var(--text-main);
    background-color: rgba(14, 165, 233, 0.03);
    padding: 12px;
    text-align: center;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    color: var(--color-sky);
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.app-submit-btn {
    background-color: var(--color-clay);
    color: #FFFFFF;
    font-weight: 700;
    font-size: 10px;
    text-align: center;
    padding: 8px;
    border-radius: 6px;
    border: 1.5px solid var(--text-main);
}

.card-sub {
    width: 230px;
    right: 10px;
    bottom: 20px;
    padding: 20px;
    border-radius: var(--radius-sketch);
    background-color: #FFFDF9;
    z-index: 3;
    transform: rotate(3deg);
}

.craft-speech-bubble {
    background-color: #FFFFFF;
    border: 2px solid var(--text-main);
    padding: 10px 14px;
    border-radius: var(--radius-normal);
    font-size: 11px;
    font-weight: 700;
    position: relative;
    margin-bottom: 16px;
    box-shadow: 2px 2px 0px var(--text-main);
}
.craft-speech-bubble::after {
    content: "";
    position: absolute;
    bottom: -8px;
    left: 30px;
    border-width: 8px 8px 0;
    border-style: solid;
    border-color: #FFFFFF transparent;
    display: block;
    width: 0;
    z-index: 1;
}
.craft-speech-bubble::before {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 29px;
    border-width: 9px 9px 0;
    border-style: solid;
    border-color: var(--text-main) transparent;
    display: block;
    width: 0;
    z-index: 0;
}

.avatar-row {
    display: flex;
    align-items: center;
    gap: 10px;
}
.avatar-circle {
    width: 36px;
    height: 36px;
    background-color: #E2E8F0;
    color: var(--text-main);
    border-radius: 50%;
    border: 1.5px solid var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}
.avatar-info {
    display: flex;
    flex-direction: column;
}
.avatar-name {
    font-size: 11px;
    font-weight: 700;
}
.avatar-title {
    font-size: 9px;
    color: var(--text-muted);
}

/* ==========================================================================   STORY SECTION (ストーリー rows)
   ========================================================================== */
.story-section {
    padding: 120px 0;
}

.story-rows {
    display: flex;
    flex-direction: column;
    gap: 120px;
    margin-top: 64px;
}

.story-row {
    display: flex;
    justify-content: space-between;
    align-items: center; /* 縦方向は中央揃え */
    gap: 80px;
    width: 100%;
}

.story-row.reverse {
    flex-direction: row-reverse;
}

.story-row .story-col-text {
    width: 53%;
}

.story-row .story-col-visual {
    width: 47%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.story-row-title {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 24px;
}

.story-row-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.story-text-para {
    margin-bottom: 16px;
    font-size: 0.9375rem;
    color: var(--text-muted);
}
.story-text-para:last-child {
    margin-bottom: 0;
}

/* ストーリーセクション：2行目右側の直接画像表示用のプロ仕様大サイズスタイル */
.story-direct-img-wrapper {
    width: 100%;
    max-width: 480px; /* 前の380pxから480pxへサイズを大幅拡大 */
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    transition: var(--transition-smooth);
}
.story-direct-img-wrapper:hover {
    transform: scale(1.02); /* ホバー時の微小な心地よい拡大効果 */
}
.story-direct-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    /* 周りの物理枠線（太枠や影、付箋）を100%排除した、ピュアでクリーンな直接描画 */
    border: none !important;
    box-shadow: none !important;
    border-radius: 12px; /* ほんの少しだけ角を柔らかく落とす */
}

.story-img-container {
    width: 100%;
    min-height: 200px;
    background-color: var(--bg-base);
    border: 2px dashed rgba(45, 49, 66, 0.2);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    box-shadow: inset 1px 1px 3px rgba(0, 0, 0, 0.05);
    margin-bottom: 8px;
}
.story-sketch-img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
    border-radius: var(--radius-sm);
}
.story-img-fallback {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 32px 24px;
    color: var(--text-muted);
    text-align: center;
    width: 100%;
    height: 100%;
}
.story-img-fallback i {
    font-size: 3rem;
    color: rgba(45, 49, 66, 0.15);
    animation: pulseGhost 3s infinite ease-in-out;
}
.story-img-fallback span {
    font-size: 0.9375rem;
    font-weight: 900;
    color: var(--text-main);
}
.story-img-fallback .fallback-note {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-sky);
}

@keyframes pulseGhost {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.05); opacity: 1; }
}

.story-sketch-card {
    padding: 32px 24px;
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    width: 100%;
    max-width: 380px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);
}
.story-sketch-card:hover {
    transform: translate(-3px, -3px) rotate(1deg);
    box-shadow: var(--shadow-craft-hover);
}

.story-sketch-card .diagram-subtext {
    font-size: 0.8125rem;
    font-weight: 900;
    color: var(--text-main);
    margin-top: 24px;
    line-height: 1.4;
}

/* ダイヤグラム1：やりとりイメージ */
.story-diagram-box {
    position: relative;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
}

.diagram-center-node {
    width: 72px;
    height: 72px;
    background-color: var(--color-sky);
    color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 3px 3px 0px var(--text-main);
    z-index: 2;
}
.diagram-center-node i {
    font-size: 1.5rem;
}
.diagram-center-node .node-label {
    font-size: 9px;
    font-weight: 900;
    margin-top: 2px;
}

.diagram-orbit-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
}

.orbit-node {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #FFFFFF;
    border: 1.5px solid var(--text-main);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: 10px;
    font-weight: 900;
    box-shadow: 2px 2px 0px var(--text-main);
}
.orbit-node i {
    font-size: 1rem;
    margin-bottom: 2px;
}

.node-email {
    top: 0px;
    left: 10px;
    transform: rotate(-5deg);
    color: var(--color-clay);
}
.node-data {
    bottom: 5px;
    left: 30px;
    transform: rotate(3deg);
    color: var(--color-sky);
}
.node-photo {
    top: 40px;
    right: 10px;
    transform: rotate(6deg);
    color: var(--color-leaf);
}

/* ダイヤグラム2：データ共有 */
.sharing-diagram-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 12px;
    gap: 12px;
}

.sharing-actors {
    display: flex;
    justify-content: space-between;
    width: 100%;
    padding: 0 20px;
}

.actor-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #FFFFFF;
    border: 1.5px solid var(--text-main);
    border-radius: 12px;
    padding: 10px 16px;
    width: 90px;
    font-size: 11px;
    font-weight: 900;
    box-shadow: 2px 2px 0px var(--text-main);
}
.actor-box i {
    font-size: 1.5rem;
    margin-bottom: 4px;
}
.actor-box.main-contractor {
    color: var(--color-sky);
}
.actor-box.subcontractor {
    color: var(--color-clay);
}

.sharing-connection {
    position: relative;
    width: 80%;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.connect-line {
    width: 100%;
    height: 2px;
    border-top: 2px dashed var(--text-main);
}
.connect-badge {
    position: absolute;
    background-color: var(--color-leaf);
    color: #FFFFFF;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1.5px solid var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    box-shadow: 1.5px 1.5px 0px var(--text-main);
}

.sharing-projects {
    display: flex;
    gap: 12px;
    margin-top: 4px;
}
.project-tag {
    font-size: 10px;
    font-weight: 900;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1.5px solid var(--text-main);
    box-shadow: 1.5px 1.5px 0px var(--text-main);
}
.project-tag.ok {
    background-color: #DEF7EC;
    color: #03543F;
}
.project-tag.ng {
    background-color: #FDE8E8;
    color: #9B1C1C;
}

/* ==========================================================================   FEATURES SECTION (現場のアルバムカードスタイル)
   ========================================================================== */
.features-section {
    padding: 120px 0;
}

.feature-rows {
    display: flex;
    flex-direction: column;
    gap: 120px;
    margin-top: 64px;
}

.feature-row {
    display: flex;
    justify-content: space-between;
    align-items: stretch; /* 左右のカラム（テキストとカード）の高さを完全に揃える */
    gap: 80px;
    width: 100%;
}
.feature-row.reverse {
    flex-direction: row-reverse; /* これだけで100%バグなく左右が逆転！ */
}
.feature-row .feature-col-text {
    width: 53%; /* 1.05fr相当 */
}
.feature-row .feature-col-visual {
    width: 47%; /* 0.95fr相当 */
    display: flex;
    justify-content: center;
    align-items: stretch; /* カード自体の高さを親の高さまで完全に伸ばす */
}

.feature-badge {
    font-family: 'Quicksand', sans-serif;
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 900;
    color: var(--color-sky);
    margin-bottom: 12px;
}

.feature-row-title {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 20px;
}

.feature-row-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.feature-checklist {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.feature-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.5;
}
.feature-checklist li i {
    margin-top: 4px;
}

.feature-col-visual {
    display: flex;
    justify-content: center;
    align-items: stretch; /* 親コンテナの高さ（テキスト側の高さ）に合わせてカードを伸ばす */
}

.sketch-card {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 48px 32px;
    width: 100%;
    max-width: 350px;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);

    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    align-self: stretch; /* フレックスコンテナの縦幅いっぱいに強制伸長 */
    flex-grow: 1;        /* 高さをテキスト側の最大長に100%完全に追従 */
    min-height: 280px;   /* PCでの最低限の美しいカード高さを保証 */
}
.sketch-card:hover {
    transform: translate(-3px, -3px) rotate(1deg);
    box-shadow: var(--shadow-craft-hover);
}

.card-tape {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%) rotate(-1.5deg);
    /* テープの色（--tape-tint）は白い下地の上に重ねる。半透明のままだとカードの枠線が透けて文字を横切るため */
    --tape-tint: rgba(249, 115, 22, 0.2);
    background: linear-gradient(var(--tape-tint), var(--tape-tint)), #FFFDF8;
    border: 1.5px dashed var(--color-clay);
    /* テープの文字は、枠と同じ色だと背景との差が小さく読みにくいため、同系色の濃い色にする
       （背景とのコントラスト比 5.5:1 以上。STEP のテープと同じ大きさ・書体。Quicksand は 700 までしか読み込んでいない） */
    color: #9A3412;
    font-family: 'Quicksand', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 4px 18px;
    letter-spacing: 0.08em;
    /* left: 50% で置くと使える幅がカードの半分しかなく、狭い画面で折り返すため */
    white-space: nowrap;
}
.card-tape.blue {
    --tape-tint: rgba(14, 165, 233, 0.2);
    border-color: var(--color-sky);
    color: #075985;
}
.card-tape.clay {
    --tape-tint: rgba(249, 115, 22, 0.25);
    border-color: var(--color-clay);
    color: #9A3412;
}

.feature-ill-box {
    font-size: 3.5rem;
    color: var(--color-sky);
    margin-bottom: 20px;
}
.sketch-card h4 {
    font-size: 1rem;
    font-weight: 900;
    color: var(--text-main);
}

/* ==========================================================================   INTERACTIVE DEMO (温かみのあるノート風タブ)
   ========================================================================== */
.demo-section {
    padding: 120px 0;
    background-color: #FFFFFF;
    border-top: var(--border-sketch);
    border-bottom: var(--border-sketch);
}

.demo-tabs-wrapper {
    max-width: 1000px;
    margin: 0 auto;
}

.demo-tab-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 48px;
}

.demo-tab-trigger {
    background: #FCFAF6;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 16px;
    text-align: center;
    font-size: 0.9375rem;
    font-weight: 900;
    color: var(--text-muted);
    cursor: pointer;
    box-shadow: 3px 3px 0px var(--text-main);
    transition: var(--transition-smooth);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.demo-tab-trigger:hover {
    background-color: #FFFFFF;
    transform: translate(-1px, -1px);
    box-shadow: 4px 4px 0px var(--text-main);
}
.demo-tab-trigger.active {
    background-color: var(--color-sky);
    color: #FFFFFF;
    box-shadow: 4px 4px 0px var(--text-main);
    transform: translate(-2px, -2px);
}

.tab-badge {
    font-family: 'Quicksand', sans-serif;
    font-size: 10px;
    background-color: #FFFFFF;
    color: var(--text-main);
    padding: 2px 8px;
    border-radius: 4px;
    border: 1.5px solid var(--text-main);
}
.demo-tab-trigger.active .tab-badge {
    background-color: var(--text-main);
    color: #FFFFFF;
}

.demo-tab-pane {
    display: none;
}
.demo-tab-pane.active {
    display: block;
    animation: friendlyFadeIn 0.4s ease forwards;
}

.demo-grid-layout {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 64px;
    align-items: center;
}

.demo-text-info h3 {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 16px;
}
.demo-text-info p {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 32px;
}

.demo-meta-tag {
    border-top: var(--border-light);
    padding-top: 16px;
    font-size: 0.8125rem;
}
.meta-title {
    font-weight: 900;
    color: var(--text-main);
    margin-right: 8px;
}
.meta-desc {
    color: var(--color-sky);
    font-weight: 700;
}

.demo-visual-frame {
    display: flex;
    justify-content: center;
}

.mock-browser-container {
    width: 100%;
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: 12px;
    box-shadow: var(--shadow-craft);
    overflow: hidden;
}

.mock-browser-header {
    background-color: #F1F5F9;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    border-bottom: 2px solid var(--text-main);
}
.mb-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-main);
    margin-right: 6px;
}
.mb-url {
    font-size: 10px;
    font-family: monospace;
    background-color: #FFFFFF;
    border: 1.5px solid var(--text-main);
    border-radius: 4px;
    padding: 2px 16px;
    margin-left: 16px;
    flex-grow: 1;
    color: var(--text-muted);
}

.mb-content-body {
    padding: 24px;
    font-size: 11px;
}
.mock-form-group {
    margin-bottom: 12px;
}
.mock-form-group label {
    font-weight: 900;
    margin-bottom: 4px;
    display: block;
    color: var(--text-main);
}
.mock-text-input {
    background-color: var(--bg-base);
    border: 1.5px solid var(--text-main);
    border-radius: 6px;
    padding: 8px 12px;
    font-weight: 700;
}
.mock-text-select {
    background-color: var(--bg-base);
    border: 1.5px solid var(--text-main);
    border-radius: 6px;
    padding: 8px 12px;
    font-weight: 700;
    position: relative;
}
.mock-text-select::after {
    content: "▼";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 8px;
}
.mock-form-row.col-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.mock-phone-container {
    width: 260px;
    aspect-ratio: 9/16.5; /* スマホ画像の一般的な比率に合わせて調整 */
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: 28px;
    box-shadow: var(--shadow-craft);
    position: relative;
    padding: 12px;
    display: flex;
    flex-direction: column;
}
.mock-phone-speaker {
    width: 40px;
    height: 4px;
    background-color: var(--text-main);
    border-radius: 10px;
    margin: 0 auto 12px auto;
}
.mock-phone-screen {
    flex-grow: 1;
    border: 2px solid var(--text-main);
    border-radius: 16px;
    overflow: hidden;
    background-color: #FFFFFF;
    display: flex;
    flex-direction: column;
    font-size: 10px;
}
.phone-inner-header {
    background-color: var(--color-sky);
    color: #FFFFFF;
    text-align: center;
    padding: 10px;
    font-weight: 900;
    border-bottom: 2px solid var(--text-main);
}
.phone-inner-content {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mb-content-body-table {
    display: flex;
    flex-direction: column;
    font-size: 11px;
}
.mock-table-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    padding: 12px 16px;
    border-bottom: 1.5px solid var(--text-main);
    align-items: center;
}
.mock-table-row.header {
    background-color: #F1F5F9;
    font-weight: 900;
}
.mock-tag {
    font-size: 9px;
    font-weight: 900;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1.5px solid var(--text-main);
    display: inline-block;
    text-align: center;
}
.mock-tag.success {
    background-color: #DEF7EC;
    color: #03543F;
}
.mock-tag.warning {
    background-color: #FEF3C7;
    color: #92400E;
}

/* ==========================================================================   PRICING SECTION (絵本ノートのプライスリスト)
   ========================================================================== */
.pricing-section {
    padding: 120px 0;
}

.pricing-setup-wrapper {
    max-width: 800px;
    margin: 0 auto 48px auto;
}
.pricing-setup-box {
    background-color: #FFFDF9;
    border: var(--border-sketch);
    border-radius: var(--radius-normal);
    padding: 24px 32px;
    box-shadow: var(--shadow-craft);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    gap: 24px;
}
.setup-tag-badge {
    position: absolute;
    top: -14px;
    left: 32px;
    background-color: var(--color-clay);
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 900;
    padding: 3px 14px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    box-shadow: 2px 2px 0px var(--text-main);
    letter-spacing: 0.05em;
}
.setup-text-group {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-grow: 1;
}
.setup-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(249, 115, 22, 0.08);
    color: var(--color-clay);
    border-radius: 50%;
    border: 1.5px solid var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    box-shadow: 2px 2px 0px var(--text-main);
}
.setup-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 4px;
}
.setup-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}
.setup-price-group {
    display: flex;
    align-items: baseline;
    flex-shrink: 0;
}
.setup-price-group .currency {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
    margin-right: 4px;
}
.setup-price-group .amount {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1;
}
.setup-price-group .tax {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-left: 6px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 48px auto 0 auto;
    align-items: stretch;
}

.pricing-card {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 48px 32px;
    box-shadow: var(--shadow-craft);
    position: relative;
    transition: var(--transition-smooth);
}
.pricing-card:hover {
    transform: translate(-4px, -4px);
    box-shadow: var(--shadow-craft-hover);
}

.plan-name {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 20px;
}

.amount-wrapper {
    display: flex;
    align-items: baseline;
    margin-bottom: 16px;
}
.currency {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
    margin-right: 4px;
}
.amount {
    font-size: 2.75rem;
    font-weight: 900;
    color: var(--text-main);
    line-height: 1;
}
.unit {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-left: 4px;
}
.tax {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-left: 6px;
}

.plan-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 32px;
    min-height: 52px;
}

.plan-divider {
    height: 2px;
    border-top: var(--border-light);
    margin-bottom: 32px;
}

.plan-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.plan-features li {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-bottom-note {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 700;
}

/* ==========================================================================
   STEPS SECTION (導入までの5つのステップ：温かみのある手帳コミック付箋風デザイン)
   ========================================================================== */
.steps-section {
    padding: 120px 0;
    background-color: #FFFFFF;
    border-top: var(--border-sketch);
    border-bottom: var(--border-sketch);
}

.steps-timeline {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.step-card-wrapper {
    width: 100%;
    display: flex;
    justify-content: center;
}

.step-card {
    background-color: #FFFDF9; /* ほっこり温かい陽だまりオレンジ */
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 40px 48px 36px 48px;
    width: 100%;
    max-width: 700px;
    position: relative;
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);
    transform: rotate(0.8deg);
}

.step-card.alternate {
    transform: rotate(-0.8deg);
    background-color: #F0F9FF; /* 優しいスカイブルー */
}

.step-card.final-step {
    background-color: #ECFDF5; /* 優しいフレッシュグリーン */
    border-color: var(--color-leaf);
    box-shadow: 5px 5px 0px var(--color-leaf);
}

.step-card:hover {
    transform: translate(-3px, -3px) scale(1.015);
    box-shadow: var(--shadow-craft-hover);
}

.step-card .card-tape {
    position: absolute;
    top: -14px;
    left: 48px;
    transform: rotate(-1.5deg);
    font-family: 'Quicksand', sans-serif;
    font-size: 0.875rem;
    font-weight: 700;
    padding: 4px 18px;
    border-radius: 0;
}
.step-card .card-tape.clay {
    --tape-tint: rgba(249, 115, 22, 0.2);
    border: 1.5px dashed var(--color-clay);
    color: #9A3412;
}
.step-card .card-tape.blue {
    --tape-tint: rgba(14, 165, 233, 0.2);
    border: 1.5px dashed var(--color-sky);
    color: #075985;
}
.step-card .card-tape.leaf {
    --tape-tint: rgba(16, 185, 129, 0.25);
    border: 1.5px dashed var(--color-leaf);
    color: #065F46;
}

.step-inner-layout {
    display: flex;
    align-items: center;
    gap: 32px;
}

.step-visual-col {
    flex-shrink: 0;
}

.step-icon-box {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    border: var(--border-sketch);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.875rem;
    box-shadow: 3px 3px 0px var(--text-main);
    background-color: #FFFFFF;
}
.step-icon-box.orange {
    color: var(--color-clay);
    background-color: rgba(249, 115, 22, 0.05);
}
.step-icon-box.sky {
    color: var(--color-sky);
    background-color: rgba(14, 165, 233, 0.05);
}
.step-icon-box.leaf-bg {
    color: var(--color-leaf);
    background-color: rgba(16, 185, 129, 0.05);
    border-color: var(--color-leaf);
    box-shadow: 3px 3px 0px var(--color-leaf);
}

.step-text-col {
    flex-grow: 1;
}

.step-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.4;
}

.step-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.step-arrow-container {
    margin: 12px 0;
    display: flex;
    justify-content: center;
}
.step-arrow-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: var(--border-sketch);
    background-color: #FFFFFF;
    color: var(--color-clay);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    box-shadow: 2px 2px 0px var(--text-main);
    animation: bounceArrow 2s infinite ease-in-out;
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(6px); }
}

/* ==========================================
   FAQ SECTION (ACCORDION)
   ========================================== */
.faq-section {
    padding: 120px 0;
}

.faq-accordion-container {
    max-width: 850px;
    margin: 64px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq-accordion-item {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-normal);
    overflow: hidden;
    transition: var(--transition-smooth);
    box-shadow: 3px 3px 0px var(--text-main);
}

.faq-accordion-trigger {
    width: 100%;
    background: none;
    border: none;
    padding: 24px;
    display: flex;
    align-items: center;
    text-align: left;
    cursor: pointer;
}

.faq-q-mark {
    font-family: 'Quicksand', sans-serif;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--color-clay);
    background-color: rgba(249, 115, 22, 0.08);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 16px;
    flex-shrink: 0;
    box-shadow: 1px 1px 0px var(--text-main);
}

.faq-q-text {
    font-size: 0.9375rem;
    font-weight: 900;
    color: var(--text-main);
    flex-grow: 1;
    padding-right: 16px;
}

.faq-arrow-icon {
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.faq-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.faq-accordion-content p {
    padding: 0 24px 24px 76px; /* Qマークと横位置をきれいに揃えて整列 */
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.8;
}

.faq-accordion-item.active {
    box-shadow: var(--shadow-craft);
}
.faq-accordion-item.active .faq-arrow-icon {
    transform: rotate(180deg);
    color: var(--color-sky);
}

/* ==========================================================================   BOTTOM CTA SECTION & ENVELOPE DESIGN
   ========================================================================== */
.bottom-cta-section {
    padding: 96px 0;
    background-color: #FFFDF9;
    border-top: var(--border-sketch);
    border-bottom: var(--border-sketch);
    position: relative;
}
.bottom-cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(249, 115, 22, 0.04) 1px, transparent 1px);
    background-size: 20px 20px;
}

.cta-title {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 16px;
    position: relative;
}
.cta-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    font-weight: 700;
    position: relative;
}
.cta-actions {
    position: relative;
    margin-bottom: 32px;
}
.cta-sub-note {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 700;
    position: relative;
}

/* ==========================================================================   CONTACT PAGE SPECIFIC STYLES (iframeを包む最高の衣装)
   ========================================================================== */
.contact-page-body {
    padding-top: 140px;
}
.contact-main {
    padding-bottom: 120px;
}
.contact-container {
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

.contact-sub-title {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 900;
    letter-spacing: 0.15em;
    color: var(--color-sky);
    background-color: rgba(14, 165, 233, 0.08);
    padding: 4px 14px;
    border-radius: 100px;
    margin-bottom: 16px;
    border: 1px solid rgba(14, 165, 233, 0.2);
}
.contact-main-title {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 16px;
}
.contact-lead {
    font-size: 0.9375rem;
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 56px auto;
}

.form-wrapper-card {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-normal);
    padding: 32px;
    box-shadow: var(--shadow-craft);
    position: relative;
    margin-bottom: 56px;
}

.form-loading-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    text-align: center;
}
.spinner {
    width: 48px;
    height: 48px;
    border: 5px solid rgba(14, 165, 233, 0.1);
    border-top-color: var(--color-sky);
    border-radius: 50%;
    animation: spin 1s infinite linear;
    margin-bottom: 20px;
}
.loader-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-sky);
}

.iframe-container {
    display: none; /* ロード完了まで非表示 */
}
.iframe-container iframe {
    width: 100%;
    display: block;
}

.contact-alternative-phone {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 40px;
    box-shadow: var(--shadow-craft);
    margin-top: 56px;
}
.phone-box {
    margin-top: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.p-label {
    font-size: 0.75rem;
    font-weight: 900;
    color: var(--text-muted);
}
.p-number {
    font-size: 1.75rem;
    font-weight: 900;
    color: var(--color-clay);
    display: flex;
    align-items: center;
    gap: 8px;
}
.p-hours {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-weight: 700;
}
@media (max-width: 768px) {
    /* スマホでは余白を詰めて、埋め込みの Google フォームの横幅を確保する */
    .contact-container {
        padding: 0 16px;
    }
    .form-wrapper-card {
        padding: 16px 12px;
    }
    .contact-alternative-phone {
        padding: 32px 20px;
    }
    .p-number {
        font-size: 1.5rem;
        white-space: nowrap; /* 電話番号が途中で折り返さないようにする */
    }
}

/* ==========================================================================   FOOTER (温かみのある締めくくり)
   ========================================================================== */
.global-footer {
    background-color: #1E293B;
    color: #94A3B8;
    font-size: 0.8125rem;
    border-top: var(--border-sketch);
    position: relative;
    z-index: 10;
}

.footer-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 64px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    font-size: 0.8125rem;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a i {
    font-size: 0.875rem;
    color: var(--color-clay); /* アクセント色に変更 */
}
.footer-links a:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

.footer-logo {
    font-size: 1.125rem;
    font-weight: 900;
    color: #FFFFFF;
    margin-bottom: 8px;
    display: block;
}
.footer-sub {
    font-size: 0.75rem;
}

.footer-company {
    text-align: left;
}
.footer-company .c-name {
    color: #FFFFFF;
    font-weight: 900;
    margin-bottom: 4px;
}
.footer-company .c-addr {
    margin-bottom: 12px;
}
.footer-company .c-copy {
    font-size: 0.6875rem;
    color: #64748B;
}

/* ==========================================================================   【プロの意匠】常時表示・100%追従お便り風フローティングCTAボタン
   ========================================================================== */
.floating-cta {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 999;
    background-color: var(--color-clay);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 28px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    font-weight: 900;
    font-size: 0.875rem;
    box-shadow: var(--shadow-craft);
    transition: var(--transition-smooth);

    /*
       重要：お堅いシステムサイトにしないための遊び心！
       一定時間ごとにコトコト揺れるアニメーションを実行するための設定
    */
    animation: gentleWobble 4s infinite ease-in-out;
}
.floating-cta:hover {
    background-color: #EA580C;
    transform: translate(-3px, -3px) scale(1.03);
    box-shadow: var(--shadow-craft-hover);
    color: #FFFFFF;
    animation: none; /* ホバー時は揺れを止めて操作性を上げる */
}

.floating-cta-badge {
    position: absolute;
    top: -12px;
    left: 20px;
    background-color: var(--color-leaf);
    color: #FFFFFF;
    font-size: 9px;
    font-weight: 900;
    padding: 2px 8px;
    border-radius: 100px;
    border: 1.5px solid var(--text-main);
    box-shadow: 1px 1px 0px var(--text-main);
}

.floating-cta i {
    font-size: 1.125rem;
}

/* ==========================================================================   ANIMATIONS & EFFECTS
   ========================================================================== */
@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes friendlyFadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes gentleWobble {
    0%, 90%, 100% { transform: rotate(0deg); }
    92% { transform: rotate(4deg); }
    94% { transform: rotate(-3deg); }
    96% { transform: rotate(2deg); }
    98% { transform: rotate(-1deg); }
}

.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    will-change: opacity, transform;
    transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}
.reveal-element.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================   RESPONSIVE DESIGN (スマホでも絶対に崩れず最高の親指操作感に)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .collage-container {
        max-width: 500px;
        margin: 0 auto;
        height: 380px;
    }
    .card-main {
        left: 20px;
    }
    .card-sub {
        right: 20px;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin: 64px auto 0 auto;
        gap: 40px;
    }
    .pricing-card.featured-card {
        padding: 48px 32px;
    }
}

/* ヘッダーのメニューは横幅が約970px未満だと1行に収まらないため、
   スマホ横向き・タブレット縦向きもハンバーガーメニューにする */
@media (max-width: 1023px) {
    .global-header {
        background-color: #FCFAF6;
    }

    .hamburger-menu {
        display: flex;
        flex-shrink: 0; /* 幅の狭いスマホで、ロゴに押されてボタンが潰れないようにする */
    }
    .header-logo-img {
        max-width: min(290px, calc(100vw - 96px)); /* 左右の余白48px＋ボタン32px＋間16px を残す */
    }

    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        height: calc(100vh - 72px);
        height: calc(100dvh - 72px); /* スマホのアドレスバー分を除いた高さ（未対応のブラウザは上の行を使う） */
        overflow-y: auto; /* スマホ横向きなど縦が狭いときは、メニューの中をスクロールできるようにする */
        overscroll-behavior: contain;
        background-color: #FCFAF6;
        flex-direction: column;
        padding: 40px 24px;
        gap: 24px;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: var(--transition-smooth);
        border-top: var(--border-sketch);
        z-index: 999;
    }
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
    .nav-item {
        font-size: 1.125rem;
    }
}

@media (max-width: 768px) {
    body {
        font-size: 15px;
    }
    .main-title {
        font-size: 1.75rem;
    }
    .hero-title {
        font-size: 2.25rem;
    }

    .story-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .story-row, .story-row.reverse {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    .story-row .story-col-text,
    .story-row .story-col-visual {
        width: 100%;
    }
    .feature-row, .feature-row.reverse {
        flex-direction: column; /* スマホでは縦積み */
        gap: 40px;
        text-align: center;
    }
    .feature-row .feature-col-text,
    .feature-row .feature-col-visual {
        width: 100%; /* スマホでは横幅いっぱいに */
    }
    .feature-checklist {
        align-items: center;
    }
    .feature-checklist li {
        text-align: left;
    }

    .sketch-card {
        height: auto;
        min-height: auto;
        padding: 32px 24px;
    }

    .demo-tab-list {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .demo-tab-trigger {
        text-align: left;
        justify-content: flex-start;
        padding: 14px 20px;
    }
    .demo-grid-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }

        .pricing-setup-box {
        flex-direction: column;
        text-align: center;
        padding: 32px 24px;
        gap: 16px;
    }

    .step-card {
        padding: 40px 24px 28px 24px !important;
    }
    .step-inner-layout {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }
    .step-icon-box {
        width: 64px;
        height: 64px;
        font-size: 1.625rem;
    }
    .step-card .card-tape {
        left: 50% !important;
        transform: translateX(-50%) rotate(-1.5deg) !important;
    }
    .setup-text-group {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
    .setup-desc {
        text-align: center;
    }

    .footer-inner {
        flex-direction: column;
        gap: 40px;
        text-align: center;
    }
    .footer-links {
        align-items: center;
        width: 100%;
        gap: 16px;
    }
    .footer-company {
        text-align: center;
        width: 100%;
    }

    /*
       【スマホ版・親指ファースト設計】
       スマホでは邪魔になる右下丸ボタンを廃止し、画面最下部全面を占める「スマート・ボトムバー」へ！
       これにより、親指が届きやすく、誤タップのない最高にストレスフリーなCTA導線が実現します。
    */
    .floating-cta {
        bottom: 0;
        right: 0;
        left: 0;
        border-radius: 0;
        border: none;
        border-top: var(--border-sketch);
        padding: 16px;
        justify-content: center;
        font-size: 1rem;
        box-shadow: 0 -4px 15px rgba(0,0,0,0.05);
        animation: none; /* スマホ固定バーでは揺らさずに安定させる */
    }
    .floating-cta:hover {
        transform: none;
        border-radius: 0;
    }
    .floating-cta-badge {
        display: none; /* スマホ固定バーではバッジを消して視界をクリアに */
    }

    body {
        padding-bottom: 70px;
    }
}
/* ==================== CTA & DOWNLOAD GRID ==================== */
.cta-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    max-width: 900px;
    margin: 0 auto;
    align-items: stretch;
}
.cta-card {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 48px 32px;
    box-shadow: var(--shadow-craft);
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: rotate(0.6deg);
    transition: var(--transition-smooth);
}
.cta-card.alternate {
    transform: rotate(-0.6deg);
    background-color: #FFFDF9;
}
.cta-card:hover {
    transform: translate(-3px, -3px) scale(1.015);
    box-shadow: var(--shadow-craft-hover);
}
.cta-card-title {
    font-size: 1.375rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 16px;
    margin-top: 12px;
    line-height: 1.4;
}
.cta-card-desc {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 28px;
    flex-grow: 1;
}
.cta-btn-wrap {
    display: flex;
    justify-content: center;
    width: 100%;
}
.cta-footer-info {
    margin-top: 48px;
    position: relative;
    z-index: 2;
}
/* ==================== CTA FOOTER CONTACT BOX ==================== */
.cta-contact-box {
    background-color: rgba(45, 49, 66, 0.03);
    border: 2px dashed rgba(45, 49, 66, 0.15);
    border-radius: var(--radius-normal);
    padding: 24px 40px;
    margin-top: 32px;
    display: inline-block;
    max-width: 100%;
    text-align: left;
    box-shadow: inset 1px 1px 3px rgba(0,0,0,0.02);
}
.cta-phone-large, .cta-mail-large {
    font-size: 1.0625rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 12px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.cta-phone-large strong {
    font-size: 1.45rem;
    color: var(--color-clay);
    font-family: 'Quicksand', sans-serif;
}
.cta-mail-large strong {
    font-size: 1.35rem;
    color: var(--color-sky);
    font-family: 'Quicksand', sans-serif;
}
.cta-hours-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 700;
    margin-left: 4px;
}
.cta-mail-link {
    text-decoration: underline;
    transition: var(--transition-smooth);
}
.cta-mail-link:hover {
    color: var(--color-sky);
}
@media (max-width: 768px) {
    /* CTA・ダウンロードスマホ用（上の .cta-grid などの指定より後ろに置かないと効かない） */
    .cta-grid {
        grid-template-columns: 1fr;
        gap: 32px;
        max-width: 480px;
        margin: 0 auto;
    }
    .cta-card {
        padding: 40px 24px 28px 24px !important;
    }
    .cta-card .card-tape {
        left: 50% !important;
        transform: translateX(-50%) rotate(-1.5deg) !important;
    }
    .cta-card-title {
        font-size: 1.25rem;
    }
    .cta-footer-info {
        margin-top: 32px;
    }
    .cta-contact-box {
        padding: 20px 16px;
        text-align: center;
        width: 100%;
    }
    .cta-phone-large, .cta-mail-large {
        font-size: 0.9375rem;
        justify-content: center;
        gap: 6px;
    }
    .cta-phone-large strong {
        font-size: 1.25rem;
    }
    .cta-mail-large strong {
        font-size: 1.15rem;
    }
    .cta-hours-label {
        font-size: 0.8125rem;
        display: block;
        width: 100%;
        margin-top: 4px;
    }
}
@media (max-width: 1200px) and (min-width: 1024px) {
    .nav-links {
        gap: 16px;
    }
    .nav-item {
        font-size: 0.8125rem;
    }
}
/* ==================== SCREENSHOT MOCK MOBILE SYSTEM ==================== */
.phone-screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* 横幅も縦も切れないように収める */
    background-color: #FFFFFF; /* 余白部分は液晶白背景に馴染ませる */
    display: block;
    border-radius: 14px;
}
.phone-fallback-content {
    display: none;
    flex-direction: column;
    height: 100%;
    width: 100%;
}
/* ==================== INTERACTIVE UX EFFECTS ==================== */
/* 1. 掘削進行（スクロール進捗）インジケーター */
.hutaizo-progress-bar-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px; /* インジケーターを少し太くして視認性アップ */
    background-color: rgba(45, 49, 66, 0.08);
    z-index: 10001;
    pointer-events: none;
}
.hutaizo-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-sky) 0%, var(--color-clay) 100%);
    position: relative;
    transition: width 0.1s ease-out;
    min-width: 20px; /* ページ最上部でもドリルアイコンが隠れず常時100%表示されるように設定 */
    border-radius: 0 4px 4px 0;
}
/* 先端を走る回転ドリル（高解像度ベクターギア） */
.hutaizo-progress-icon {
    position: absolute;
    right: -10px;
    top: -6px;
    font-size: 20px; /* 14pxから20pxへ大幅拡大し、抜群の存在感に */
    color: var(--color-clay) !important; /* 目を惹く鮮やかなクレイオレンジ */
    display: inline-block;
    /* どんな背景の上でもドリルが完全に浮き出る、極太の絶対コントラスト枠線 */
    text-shadow: 1px 1px 0px #2D3142, -1px -1px 0px #2D3142, 1px -1px 0px #2D3142, -1px 1px 0px #2D3142, 2px 2px 2px rgba(45,49,66,0.3);
    animation: hutaizoDrillSpin 1.2s infinite linear;
}
@keyframes hutaizoDrillSpin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 2. ボタンクリック時の「ぽよん！」バウンドエフェクト */
.hutaizo-click-bounce {
    animation: hutaizoPoyon 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards !important;
}
@keyframes hutaizoPoyon {
    0% { transform: scale(1); }
    30% { transform: scale(0.9); }
    60% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* 3. 右下お問い合わせボタン（手紙）用手書き風吹き出し */
.cta-bubble-tip {
    position: absolute;
    top: -52px;
    right: 10px;
    background-color: var(--color-sky);
    color: #FFFFFF;
    padding: 6px 14px;
    border-radius: var(--radius-sketch);
    border: var(--border-sketch);
    font-size: 11px;
    font-weight: 900;
    box-shadow: 2px 2px 0px var(--text-main);
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transform: translateY(10px) scale(0.8);
    transition: opacity 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 998;
}
.cta-bubble-tip::after {
    content: "";
    position: absolute;
    bottom: -8px;
    right: 24px;
    border-width: 8px 6px 0;
    border-style: solid;
    border-color: var(--color-sky) transparent;
    display: block;
    width: 0;
}
.cta-bubble-tip::before {
    content: "";
    position: absolute;
    bottom: -11px;
    right: 23px;
    border-width: 9px 7px 0;
    border-style: solid;
    border-color: var(--text-main) transparent;
    display: block;
    width: 0;
    z-index: -1;
}
.cta-bubble-tip.show {
    opacity: 1;
    transform: translateY(0) scale(1);
    animation: hutaizoBubbleWobble 5s infinite ease-in-out;
    animation-delay: 1s;
}
@keyframes hutaizoBubbleWobble {
    0%, 90%, 100% { transform: translateY(0) scale(1) rotate(0deg); }
    92% { transform: translateY(-4px) scale(1.05) rotate(3deg); }
    94% { transform: translateY(2px) scale(0.95) rotate(-3deg); }
    96% { transform: translateY(-1px) scale(1.02) rotate(2deg); }
    98% { transform: translateY(0) scale(1) rotate(0deg); }
}

/* 4. スクロール登場の弾力化（プルンッと着地） */
.reveal-element {
    opacity: 0;
    transform: translateY(40px);
    will-change: opacity, transform;
    transition: opacity 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15),
                transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.15) !important;
}

/* ==================== DOWNLOAD MODAL SYSTEM (全端末レスポンシブ・縦見切れ絶対防止版) ==================== */
.download-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(45, 49, 66, 0.6);
    backdrop-filter: blur(6px);
    z-index: 10002;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    box-sizing: border-box;
    overflow-y: auto;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}
.download-modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}
.download-modal-card {
    background-color: #FFFFFF;
    border: var(--border-sketch);
    border-radius: var(--radius-sketch);
    padding: 28px 24px;
    max-width: 480px;
    width: 100%;
    max-height: 86vh;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-sizing: border-box;
    position: relative;
    box-shadow: var(--shadow-craft-hover);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    margin: auto;
}
.download-modal-card::-webkit-scrollbar {
    width: 6px;
}
.download-modal-card::-webkit-scrollbar-track {
    background: transparent;
}
.download-modal-card::-webkit-scrollbar-thumb {
    background: rgba(45, 49, 66, 0.2);
    border-radius: 10px;
}
.download-modal-overlay.active .download-modal-card {
    transform: translateY(0) scale(1);
}
/* モーダルはスクロールのため overflow-y: auto なので、上にはみ出したテープは上半分が切れる。テープはカードの中に置く */
.download-modal-card .card-tape {
    position: relative;
    display: block;
    top: auto;
    left: auto;
    width: fit-content;
    margin: -6px auto 14px;
    transform: rotate(-1.5deg);
}
.modal-close-btn {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.35rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 10;
}
.modal-close-btn:hover {
    color: var(--text-main);
    background-color: var(--bg-base);
}
.modal-title {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 4px;
    margin-top: 6px;
}
.modal-desc {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 14px;
}
.modal-form-group {
    margin-bottom: 12px;
    text-align: left;
}
.modal-form-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.8125rem;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 4px;
}
.required-badge {
    font-size: 10px;
    background-color: rgba(249, 115, 22, 0.12);
    color: var(--color-clay);
    border: 1px solid rgba(249, 115, 22, 0.3);
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 900;
}
.modal-input {
    width: 100%;
    background-color: var(--bg-base);
    border: 1.5px solid var(--text-main);
    border-radius: var(--radius-sm);
    padding: 9px 12px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition-smooth);
    box-sizing: border-box;
}
.modal-input:focus {
    outline: none;
    border-color: var(--color-sky);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.15);
    background-color: #FFFFFF;
}
.modal-btn-wrap {
    margin-top: 16px;
}
.modal-btn-wrap .primary-btn {
    padding: 14px 20px;
    font-size: 0.95rem;
}
.width-full {
    width: 100%;
    justify-content: center;
}
.modal-privacy-note {
    font-size: 0.725rem;
    color: var(--text-muted);
    margin-top: 8px;
    text-align: center;
}
.modal-privacy-note a {
    text-decoration: underline;
}
.success-icon-box {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 8px;
}
@media (max-width: 768px) {
    .download-modal-overlay {
        padding: 10px;
        align-items: flex-start;
    }
    .download-modal-card {
        padding: 22px 16px;
        border-radius: var(--radius-normal);
        max-height: 90vh;
        margin-top: auto;
        margin-bottom: auto;
    }
}