/* ============================================
   SoneBz合同会社 - Modern Website Styles
   ============================================ */

/* ============================================
   CSS Variables
   ============================================ */
:root {
    /* Layout */
    --navbar-h: 96px;

    /* Colors */
    /* Stylish palette (deep navy + violet accent) */
    --primary-color: #0F172A;   /* slate/navy */
    --primary-dark: #0B1220;
    --primary-light: #334155;
    --secondary-color: #7C3AED; /* violet */
    --secondary-dark: #5B21B6;
    --secondary-light: #A78BFA;

    --text-primary: #0b1220;
    --text-secondary: #334155;
    --text-light: #64748b;
    --text-white: #ffffff;

    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc; /* cool off-white */
    --bg-dark: #0b1220;
    --bg-gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.2);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: calc(var(--navbar-h, 96px) + env(safe-area-inset-top, 0px));
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    transition: var(--transition-base);
}

/* ============================================
   Container
   ============================================ */
.container {
    /* 参照サイトに寄せて、PCでも横幅を広く使う */
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-xl) 0;
    overflow-x: clip; /* 横にはみ出した装飾で横スクロールが出るのを防ぐ */
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   Service Mini Price (NEW)
   ============================================ */
.service-mini-price{
    margin-top: 14px;
    padding: 14px;
    border-radius: var(--radius-lg);
    background: rgba(255,255,255,0.85);
    border: 1px solid rgba(0,0,0,0.08);
    box-shadow: var(--shadow-sm);
}
.service-mini-price__title{
    font-weight: 900;
    margin-bottom: 8px;
}
.service-mini-price__row{
    display: flex;
    gap: 10px;
    align-items: baseline;
    flex-wrap: wrap;
    padding: 6px 0;
    border-top: 1px dashed rgba(0,0,0,0.08);
}
.service-mini-price__row:first-of-type{ border-top: none; }
.service-mini-price__row span{ color: var(--text-secondary); }
.service-mini-price__row strong{ font-size: 1.15em; color: var(--text-primary); }

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 2rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    text-align: center;
}

.btn-primary {
    background: var(--bg-gradient);
    color: var(--text-white);
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.20);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(124, 58, 237, 0.25);
}

.btn-secondary {
    background: rgba(15, 23, 42, 0.06);
    color: var(--primary-color);
    border: 2px solid rgba(15, 23, 42, 0.22);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: var(--text-white);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: var(--font-size-lg);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 0;
}

/* Anchor offset for fixed navbar */
html {
    scroll-padding-top: calc(var(--navbar-h, 96px) + env(safe-area-inset-top, 0px));
}

.logo {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--secondary-color);
    background: rgba(124, 58, 237, 0.08);
}

.btn-primary-nav {
    background: var(--bg-gradient);
    color: var(--text-white);
}

.btn-primary-nav:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    width: 30px;
    height: 24px;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    /*
      Fixed navbar overlap prevention:
      The navbar height can vary by font rendering / OS.
      Use a CSS variable + safe-area to ensure hero isn't hidden.
    */
    padding-top: calc(var(--navbar-h, 96px) + env(safe-area-inset-top, 0px));
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-gradient);
    opacity: 0.04;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(124, 58, 237, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(124, 58, 237, 0.06) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(124, 58, 237, 0.16);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 900;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: 600;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--bg-gradient);
    animation: scrollAnimation 2s infinite;
}

@keyframes scrollAnimation {
    0%, 100% {
        transform: translateY(0);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    /* 4列が気持ちよく並ぶように最小幅を少し下げる（= 余白で折り返しにくくする） */
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    align-items: stretch;
}

/* Make a specific service card span full width (used for App modernization) */
.service-card--wide{
    grid-column: 1 / -1;
}

/* Price block inside service card */
.service-price{
    margin: 12px 0 10px;
    border-radius: var(--radius-md);
    background: rgba(124, 58, 237, 0.05);
    border: 1px solid rgba(124, 58, 237, 0.16);
    overflow: hidden;
}

/* collapsible header */
.service-price__summary{
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 14px;
}
.service-price__summary::-webkit-details-marker{display:none;}
.service-price__label{
    font-weight: 800;
    letter-spacing: .04em;
    font-size: .95rem;
    color: var(--primary-color);
}
.service-price__hint{
    font-weight: 800;
    font-size: .9rem;
    color: rgba(15, 23, 42, 0.62);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.service-price__hint::after{
    content: "▾";
    display: inline-block;
    transform: translateY(-1px);
    transition: transform .18s ease;
}
details[open].service-price .service-price__hint::after{
    transform: rotate(180deg);
}

.service-price__body{
    padding: 0 14px 12px;
}
/* Price table (duration-based) */
.service-price__table{
    margin-top: 10px;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(124, 58, 237, 0.16);
    background: rgba(255,255,255,.78);
}
.service-price__tr{
    display: grid;
    grid-template-columns: 140px 220px 1fr;
}
.service-price__thead .service-price__tr{
    background: rgba(124, 58, 237, 0.08);
}
.service-price__th,
.service-price__td{
    padding: 10px 12px;
    border-bottom: 1px solid rgba(124, 58, 237, 0.12);
    line-height: 1.5;
}
.service-price__th{
    font-weight: 900;
    font-size: .92rem;
    color: var(--text-primary);
}
.service-price__td strong{
    font-size: 1.06em;
}
.service-price__tbody .service-price__tr:last-child .service-price__td{
    border-bottom: none;
}
.service-price__note{
    margin-top: 10px;
    font-size: .92rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media (max-width: 860px){
    .service-price__tr{grid-template-columns: 1fr;}
    .service-price__thead{display:none;}
    .service-price__td{
        border-bottom: none;
        padding: 10px 12px;
    }
    .service-price__tbody .service-price__tr{
        border-bottom: 1px solid rgba(124, 58, 237, 0.12);
    }
    .service-price__tbody .service-price__tr:last-child{border-bottom:none;}
    .service-price__tbody .service-price__tr .service-price__td:nth-child(1){
        font-weight: 900;
        padding-bottom: 4px;
    }
    .service-price__tbody .service-price__tr .service-price__td:nth-child(2){
        padding-top: 0;
        padding-bottom: 6px;
    }
    .service-price__tbody .service-price__tr .service-price__td:nth-child(3){
        padding-top: 0;
    }
}

@media (max-width: 640px){
    .service-card--wide{grid-column: auto;}
}

.service-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    min-width: 0;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    border-radius: var(--radius-lg);
    font-size: 2rem;
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.service-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.service-features i {
    color: var(--secondary-color);
}

/* Utility (used in Webページ作成 card) */
.muted{color: var(--text-light);}
.box{border: 1px solid rgba(0,0,0,.06); border-radius: var(--radius-md); padding: 12px 14px;}
.divider{height: 1px; background: rgba(0,0,0,.08);}

/* Plan badges (Webページ作成: 最安/推奨) */
.plan-badge{
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 900;
    font-size: 13px;
    letter-spacing: .02em;
    border: 1px solid transparent;
    white-space: nowrap;
}

/* 最安：左上のリボン（面で見せる） */
.plan-badge--cheapest{
    position: absolute;
    top: 12px;
    right: 12px;
    left: auto;
    background: rgba(124, 58, 237, 0.14);
    color: #0b1220;
    border: 1px solid rgba(124, 58, 237, 0.36);
    box-shadow: 0 10px 22px rgba(124, 58, 237, 0.14);
}

/* 右上のバッジと価格・ラベルが被りにくいよう最安プランだけ上余白を少し確保 */
.service-plan--cheapest{ padding-top: 52px; }

/* バッジ分だけタイトル行の上に余白を確保 */
.service-plan--cheapest{ padding-top: 44px; }
/* リボンの三角は右上バッジでは不要 */
.plan-badge--cheapest::after{ content: none; }

/* 推奨：目立ちすぎないが“強調”はする（アンバー） */
.plan-badge--recommended{
    background: rgba(167, 139, 250, .18);
    border-color: rgba(124, 58, 237, .35);
    color: #2e1065;
}

/* 最安プラン本体：枠強調をやめて読みやすさ優先（影と余白は既存） */
.service-plan--cheapest{
    border: 1px solid rgba(0,0,0,.06);
    background: #ffffff;
}

/* Featured service card (Webページ作成) */
.service-card--featured{
    /* featuredカードでも左右の“箱感”が崩れないようにする */
    border: 1px solid rgba(0,0,0,0.06);
    position: relative;
    grid-column: 1 / -1;
    background: #f8fafc; /* cool */
    overflow: visible; /* 中の要素（バッジ等）が切れないように */
}
.service-card--featured::after{
    content: "";
    display:none;
}

.featured-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.featured-icon{
    box-shadow: 0 10px 28px rgba(124, 58, 237, 0.18);
}

.featured-visual{
    display:none;
}
.featured-visual i{
    width: 38px;
    height: 38px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius: 12px;
    background: rgba(255,255,255,.85);
    border: 1px solid rgba(124, 58, 237, 0.16);
    box-shadow: var(--shadow-sm);
}

.featured-cta{
    margin: var(--spacing-md) 0;
    display:flex;
    flex-wrap:wrap;
    gap: var(--spacing-sm);
    align-items:center;
}
.service-card--featured .featured-cta .btn{
    padding: 0.86rem 1.35rem;
    border-radius: 999px;
    box-shadow: 0 10px 22px rgba(0,0,0,.10);
}

/* featured CTA: warm palette */
.service-card--featured .featured-cta .btn.btn-primary{
    background: var(--primary-color);
    box-shadow: 0 10px 22px rgba(124, 58, 237, .18);
}
.service-card--featured .featured-cta .btn.btn-primary:hover{background: var(--primary-dark);}
.service-card--featured .featured-cta .btn.btn-secondary{
    background: rgba(124, 58, 237, .08);
    border: 2px solid rgba(124, 58, 237, .26);
    color: var(--primary-color);
}
.service-card--featured .featured-cta .btn.btn-secondary:hover{
    background: rgba(124, 58, 237, .14);
    color: var(--primary-dark);
}

/* tighten the extra blocks (3問診断/FAQ/対応範囲) */
.service-card--featured .service-scope{margin-top: 12px !important;}
.service-card--featured .service-scope .box{padding: 10px 12px;}
.service-card--featured .service-scope summary{list-style: none;}
.service-card--featured .service-scope details{font-size: 0.95rem;}
.service-card--featured .service-scope details .muted{font-size: 0.92rem;}
.service-card--featured .service-scope ul.service-features li{font-size: 0.95rem;}
.service-card--featured .service-scope ul.service-features .muted{font-size: 0.92rem;}
.service-card--featured .service-scope .divider{opacity: .9;}
.service-card--featured .service-scope input[type="radio"]{transform: translateY(1px);}
.service-card--featured .service-scope label{font-size: 0.95rem;}

/* make prices larger */
.service-card--featured .service-plan__price{
    font-size: 1.25rem;
    letter-spacing: .2px;
}
.service-card--featured .service-plan__price strong{
    font-size: 1.35em;
}

@media (max-width: 480px){
    .featured-head{flex-direction:column; align-items:flex-start;}
    .featured-visual{flex-wrap:wrap;}
    .service-card--featured .service-plan__price{font-size: 1.1rem;}
}

/* Web production process section */
.web-process{
    background: var(--bg-primary);
}
.web-process-timeline{
    margin-top: var(--spacing-lg);
}

/* Modal */
body.modal-open{overflow:hidden;}

/* Monthly Close Demo (mini UI) */
.mc-select, .mc-input{
    width: 100%;
    padding: 0.75rem 0.9rem;
    border-radius: 12px;
    border: 1px solid rgba(0,0,0,.10);
    background: #fff;
    font-weight: 700;
}
.mc-input{ font-weight: 600; }

.mc-run{
    border: 1px solid rgba(0,0,0,.08);
    border-radius: 14px;
    padding: 10px 10px;
    background: #fff;
    display: grid;
    gap: 8px;
}
.mc-run__top{display:flex; justify-content:space-between; gap:10px; align-items:center;}
.mc-run__time{font-weight:900; font-size:.92rem;}
.mc-run__id{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size:.78rem; color: var(--text-light);}
.mc-run__badges{display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end;}
.mc-run__btn{width:100%; justify-content:center; padding: .7rem 1rem; border-radius: 12px;}

.mc-pill{display:inline-flex; align-items:center; padding:4px 8px; border-radius:999px; font-weight:900; font-size:.78rem; border:1px solid transparent;}
.mc-pill--latest{background: rgba(124, 58, 237, .12); border-color: rgba(124, 58, 237, .26); color:#2e1065;}
.mc-pill--ok{background: rgba(16, 185, 129, .10); border-color: rgba(16, 185, 129, .22); color:#065f46;}
.mc-pill--warn{background: rgba(245, 158, 11, .12); border-color: rgba(245, 158, 11, .22); color:#7c2d12;}

.mc-table th, .mc-table td{padding:10px 12px; border-bottom: 1px solid rgba(0,0,0,.06);}
.mc-table thead th{position: sticky; top: 0; background: #fff; z-index: 1; text-align:left; font-weight:900; border-bottom: 1px solid rgba(0,0,0,.10);}
.modal{
    position: fixed;
    inset: 0;
    display: none;
    z-index: 2000;
}
.modal.is-open{display:block;}
.modal__overlay{
    position:absolute;
    inset:0;
    background: rgba(26, 26, 46, 0.55);
    backdrop-filter: blur(6px);
}
.modal__dialog{
    position: relative;
    width: min(640px, calc(100% - 2rem));
    margin: 10vh auto;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-lg);
    border: 1px solid rgba(0,0,0,.06);
}
.modal__close{
    position:absolute;
    top: 14px;
    right: 14px;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0,0,0,.04);
    font-size: 22px;
    line-height: 1;
}
.modal__close:hover{background: rgba(0,0,0,.08);}
.modal__title{
    font-size: var(--font-size-2xl);
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
}
.modal__text{color: var(--text-secondary); margin-bottom: var(--spacing-md);}
.modal__actions{display:flex; flex-wrap:wrap; gap: var(--spacing-sm);}
.modal__fine{margin-top: var(--spacing-md); font-size: var(--font-size-sm); color: var(--text-light);}

.modal__form{margin-top: var(--spacing-md);}
.form-grid{
    display:grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}
@media (max-width: 768px){
    .form-grid{grid-template-columns: 1fr;}
}

/* Web examples cards */
.web-examples{
    display:grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}
.web-example-card{
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,.06);
    transition: all var(--transition-base);
}
.web-example-card:hover{
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.web-example-icon{
    width: 72px;
    height: 72px;
    border-radius: var(--radius-lg);
    display:flex;
    align-items:center;
    justify-content:center;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
}
.web-example-title{font-size: var(--font-size-xl); font-weight: 800; margin-bottom: var(--spacing-sm);}
.web-example-desc{color: var(--text-secondary); line-height: 1.8;}

/* Plans (ライト保守 / WP保守込み) */
.service-plans{
    margin: 10px 0 16px;
    display: grid;
    gap: 12px;
}
.service-plan{
    padding: 16px 18px;
    border-radius: 12px;
    background: #ffffff;
    border: 1px solid rgba(0,0,0,.06);
}
.service-plan--wp{
    border: 2px solid rgba(124, 58, 237, .26);
    background: linear-gradient(180deg, rgba(124, 58, 237, .08), rgba(255,255,255,0));
}
.service-plan__label{
    font-size: 0.92rem;
    font-weight: 900;
    color: var(--text-primary);
}
.service-plan__price{
    font-weight: 900;
    margin-top: 2px;
}
.service-plan__note{
    font-size: 0.86rem;
    color: var(--text-light);
    margin-top: 6px;
    line-height: 1.55;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.why-card {
    text-align: center;
    padding: var(--spacing-lg);
}

.why-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.10) 0%, rgba(124, 58, 237, 0.10) 100%);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--primary-color);
    margin: 0 auto var(--spacing-md);
}

.why-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.why-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Tech Stack Section
   ============================================ */
.tech-stack {
    background: var(--bg-secondary);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.tech-category {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.tech-category-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
}

.tech-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.tech-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

.tech-item:hover {
    background: rgba(124, 58, 237, 0.08);
    transform: translateX(8px);
}

.tech-item-icon {
    color: var(--secondary-color);
    font-size: 0.75rem;
}

/* ============================================
   Process Section
   ============================================ */
.process-timeline {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--bg-gradient);
}

.process-step {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.process-number {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: var(--text-white);
    font-size: var(--font-size-2xl);
    font-weight: 900;
    border-radius: 50%;
    position: relative;
    z-index: 2;
}

.process-content {
    flex: 1;
    padding-top: 0.75rem;
}

.process-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.process-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================
   Message Section
   ============================================ */
.message {
    background: var(--bg-secondary);
}

.message-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

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

.message-label {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.message-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-lg);
}

.message-text {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: var(--spacing-md);
    text-align: left;
}

.message-signature {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(124, 58, 237, 0.14);
}

.signature-name {
    font-size: var(--font-size-xl);
    font-weight: 700;
}

.signature-name-en {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-family: var(--font-secondary);
}

/* ============================================
   Lecture Section
   ============================================ */
.lecture-content {
    max-width: 800px;
    margin: 0 auto;
}

.lecture-card {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.lecture-icon {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    border-radius: 50%;
    font-size: 2.5rem;
    color: var(--text-white);
    margin: 0 auto var(--spacing-lg);
}

.lecture-card-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.lecture-card-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.lecture-topics {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.lecture-topics li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
}

.lecture-topics i {
    color: var(--secondary-color);
}

.lecture-note {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(124, 58, 237, 0.14);
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--bg-secondary);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contact-info {
    padding: var(--spacing-lg);
}

.contact-info-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.contact-info-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.contact-detail-item {
    display: flex;
    gap: var(--spacing-md);
}

.contact-detail-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: var(--text-white);
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.contact-detail-content h4 {
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-detail-content p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
}

.contact-detail-content a {
    color: var(--primary-color);
}

.contact-detail-content a:hover {
    text-decoration: underline;
}

.contact-form-wrapper {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.875rem 1rem;
    font-size: var(--font-size-base);
    font-family: inherit;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ============================================
   Hero: Problems (Web化向けの3カード)
   ============================================ */
.hero-problems {
    margin-top: var(--spacing-lg);
    padding: 1.25rem;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--shadow-sm);
}

.hero-problems__head {
    font-weight: 900;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
}

.hero-problems__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
}

.hero-problem {
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: rgba(248, 249, 250, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-problem__icon {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.hero-problem__title {
    font-weight: 900;
    margin-bottom: 0.25rem;
}

.hero-problem__desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.65;
}

.hero-problems__cta {
    margin-top: 1rem;
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Mini flow (解決の絵) */
.hero-mini-flow {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
}

.hero-mini-flow__label {
    font-weight: 900;
    color: var(--text-primary);
    margin-bottom: 0.65rem;
}

.hero-mini-flow__steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.6rem;
}

.hero-mini-flow__step {
    display: flex;
    gap: 0.5rem;
    align-items: flex-start;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.hero-mini-flow__no {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 0.85rem;
    background: rgba(15, 23, 42, 0.06);
    color: var(--primary-color);
    flex: 0 0 auto;
}

.hero-mini-flow__text {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.5;
}

/* Assurance (安心材料) */
.hero-assurance {
    margin-top: 0.9rem;
    padding: 0.9rem;
    border-radius: var(--radius-lg);
    background: rgba(124, 58, 237, 0.08);
    border: 1px solid rgba(124, 58, 237, 0.18);
}

.hero-assurance__title {
    font-weight: 900;
    margin-bottom: 0.35rem;
}

.hero-assurance__list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-secondary);
}

.hero-assurance__list li {
    list-style: disc;
    margin: 0.2rem 0;
}

.hero-assurance__foot {
    margin-top: 0.5rem;
    font-weight: 800;
    color: rgba(0, 0, 0, 0.70);
    font-size: 0.92rem;
}

@media (max-width: 900px) {
    .hero-problems__grid {
        grid-template-columns: 1fr;
    }
    .hero-mini-flow__steps {
        grid-template-columns: 1fr;
    }
}


/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

.footer-content {
    text-align: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.7);
    margin-top: var(--spacing-sm);
}

.footer-links{
    margin-top: 12px;
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.footer-link{
    color: rgba(255,255,255,.78);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 700;
    font-size: 0.95rem;
}
.footer-link:hover{color: rgba(255,255,255,.92);}
.footer-link:focus-visible{outline: 3px solid rgba(255,255,255,.35); outline-offset: 3px;}

.footer-bottom {
    padding-top: var(--spacing-lg);
    text-align: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--font-size-sm);
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: var(--text-white);
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 968px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
    
    .process-timeline::before {
        left: 30px;
    }
    
    .process-number {
        width: 60px;
        height: 60px;
        font-size: var(--font-size-xl);
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem var(--spacing-lg) var(--spacing-lg);
        box-shadow: var(--shadow-xl);
        transition: var(--transition-base);
    }
    
    .nav-menu.active {
        right: 0;
    }

    /* Hamburger animation */
    .hamburger.active span:nth-child(1){
        transform: translateY(9px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2){
        opacity: 0;
    }
    .hamburger.active span:nth-child(3){
        transform: translateY(-9px) rotate(-45deg);
    }
    
    .nav-link {
        width: 100%;
        padding: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        gap: var(--spacing-md);
    }
    
    .section-title {
        font-size: var(--font-size-2xl);
    }
    
    .why-us-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .tech-categories {
        grid-template-columns: 1fr;
    }
    
    .process-step {
        flex-direction: column;
    }
    
    .process-timeline::before {
        display: none;
    }
}