/* =================================================================
   style.css - PC/Desktop Base Styles & Reset
   ================================================================= */

/* CSS Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}



:root {
    --sb-track: #221E1F;
    --sb-thumb: #F16698;
    --brand-black: #221E1F;
    --chupi-pink: #F16698;
    --chupi-pink-hover: #e05385;
    --btn-blue: #0f82f2;
    --btn-blue-hover: #0d73d9;
}

html {
    scroll-behavior: smooth;
    scrollbar-color: var(--sb-thumb) var(--sb-track);
    scrollbar-width: thin;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    letter-spacing: 0.02em;
    background-color: var(--brand-black);
    color: #ffffff;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--sb-track); }
::-webkit-scrollbar-thumb { background: var(--sb-thumb); border-radius: 3px; }

/* Utilities */
.text-brand-black { color: var(--brand-black); }
.text-chupi-pink { color: var(--chupi-pink); }
.bg-brand-black { background-color: var(--brand-black); }
.bg-chupi-pink { background-color: var(--chupi-pink); }
.bg-white { background-color: #ffffff; }
.text-white { color: #ffffff; }
.hidden { display: none !important; }
.pc-br { display: inline; }
.sp-br { display: none; }

/* Header Navigation */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 50;
    transition: all 0.5s ease-in-out;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.header-inner {
    max-width: 80rem;
    margin: 0 auto;
    padding: 1rem 3rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.header-logo-link {
    position: relative;
    display: block;
    height: 2rem;
    width: 12rem;
    transition: opacity 0.3s;
}
.header-logo-link:hover { opacity: 0.8; }
.header-logo {
    position: absolute;
    inset: 0;
    height: 100%;
    width: auto;
    object-fit: contain;
    transition: opacity 0.5s;
}
.opacity-100 { opacity: 1; }
.opacity-0 { opacity: 0; }

.header-nav {
    display: flex;
    align-items: center;
    gap: 2rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    transition: color 0.5s;
}
.nav-link {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s;
}
.nav-link:hover { opacity: 0.7; }
.nav-sep { opacity: 0.2; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--btn-blue);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: background-color 0.3s;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}
.btn-login:hover { background-color: var(--btn-blue-hover); }
.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 500;
    font-size: 0.75rem;
    padding: 0.625rem 1.25rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.5s;
}

/* Header Themes */
.site-header[data-theme="dark"] {
    background-color: rgba(34, 30, 31, 0.9);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
}
.site-header[data-theme="dark"] .logo-dark { opacity: 1; }
.site-header[data-theme="dark"] .logo-light { opacity: 0; }
.site-header[data-theme="dark"] .header-nav { color: #d1d5db; }
.site-header[data-theme="dark"] .btn-cta { background-color: #ffffff; color: var(--brand-black); }
.site-header[data-theme="dark"] .btn-cta:hover { background-color: var(--chupi-pink); color: #ffffff; }

.site-header[data-theme="light"] {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid #e5e7eb;
    color: var(--brand-black);
}
.site-header[data-theme="light"] .logo-dark { opacity: 0; }
.site-header[data-theme="light"] .logo-light { opacity: 1; }
.site-header[data-theme="light"] .header-nav { color: #4b5563; }
.site-header[data-theme="light"] .btn-cta { background-color: var(--brand-black); color: #ffffff; }
.site-header[data-theme="light"] .btn-cta:hover { background-color: var(--chupi-pink); }

.site-header[data-theme="pink"] {
    background-color: rgba(241, 102, 152, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
}
.site-header[data-theme="pink"] .logo-dark { opacity: 1; }
.site-header[data-theme="pink"] .logo-light { opacity: 0; }
.site-header[data-theme="pink"] .header-nav { color: rgba(255, 255, 255, 0.9); }
.site-header[data-theme="pink"] .btn-cta { background-color: var(--brand-black); color: #ffffff; }
.site-header[data-theme="pink"] .btn-cta:hover { background-color: #ffffff; color: var(--brand-black); }

/* Common Section */
.section-container {
    max-width: 80rem;
    margin: 0 auto;
    padding: 7rem 3rem;
}
.section-header {
    display: flex;
    align-items: baseline;
    gap: 1.5rem;
    margin-bottom: 5rem;
}
.section-title {
    font-size: 3rem;
    font-weight: 900;
    letter-spacing: -0.025em;
    margin: 0;
}
.section-subtitle {
    font-size: 0.875rem;
    font-weight: 500;
    color: #9ca3af;
}
.section-subtitle-white {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 90vh;
    padding: 10rem 1.5rem 8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
}
.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-overlay-b {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(34, 30, 31, 1), rgba(34, 30, 31, 0.75), rgba(34, 30, 31, 0.4));
    z-index: 10;
}
.hero-overlay-l {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(34, 30, 31, 0.9), transparent, rgba(34, 30, 31, 0.9));
    z-index: 10;
}
.hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.5) contrast(1.25);
    transform: scale(1.05);
}
.hero-content {
    position: relative;
    z-index: 20;
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}
.hero-main-logo {
    height: 5rem;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 20px rgba(0,0,0,0.4));
}
.hero-title {
    font-size: 3.75rem;
    font-weight: 900;
    line-height: 1.2;
    text-shadow: 0 4px 6px rgba(0,0,0,0.3);
}
.hero-desc {
    font-size: 1.125rem;
    color: #e5e7eb;
    max-width: 42rem;
    line-height: 1.7;
}

/* PC用：ジョンソンボックス本体 */
.johnson-box {
    position: relative;
    width: 100%;
    max-width: 46rem;
    margin: 1.5rem auto;
    padding: 2rem 2.5rem;
    background: rgba(15, 15, 15, 0.85);
    border: 3px solid #F16698;            /* 目立つピンクの太枠 */
    border-radius: 1.25rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.6), inset 0 0 15px rgba(241, 102, 152, 0.15);
    text-align: center;
}

/* ボックス上部の見出しリボン */
.johnson-title {
    display: inline-block;
    background: #F16698;
    color: #ffffff;
    font-weight: 900;
    font-size: 1.125rem;
    padding: 0.4rem 2rem;
    border-radius: 9999px;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 12px rgba(241, 102, 152, 0.4);
}

/* PC：縦並び配置 */
.hero-highlights {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
}

.highlight-label {
    color: #d1d5db;
    font-size: 1.125rem;
}

.highlight-value {
    font-weight: 900;
    font-size: 1.625rem;
    color: #ffffff;
}

.highlight-sep {
    display: none;                       /* PC縦並び時は「|」非表示 */
}

.hero-actions {
    width: 100%;
    max-width: 28rem;
    padding-top: 0.5rem;
}
.btn-primary-large {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background-color: var(--btn-blue);
    color: #ffffff;
    font-weight: 800;
    font-size: 1rem;
    padding: 1.25rem 2rem;
    border-radius: 1rem;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 10px 25px -5px rgba(15, 130, 242, 0.4);
}
.btn-primary-large:hover {
    background-color: var(--btn-blue-hover);
    transform: scale(1.02);
}
.icon-arrow {
    font-size: 0.75rem;
    transition: transform 0.3s;
}
.btn-primary-large:hover .icon-arrow {
    transform: translateX(4px);
}
.hero-sublink-wrapper { margin-top: 1rem; }
.hero-sublink {
    font-size: 0.875rem;
    color: #d1d5db;
    text-decoration: underline;
    text-underline-offset: 4px;
    text-decoration-color: #6b7280;
    transition: color 0.3s, text-decoration-color 0.3s;
}
.hero-sublink:hover { color: #ffffff; text-decoration-color: #ffffff; }

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.feature-item {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding: 2rem 0 1rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1rem;
}
.feature-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    display: block;
    margin-bottom: 0.5rem;
}
.feature-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}
.feature-desc {
    font-size: 0.75rem;
    color: #d1d5db;
    line-height: 1.6;
}
.feature-note {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.625rem;
    color: #6b7280;
}

/* Solutions */
.border-bottom { border-bottom: 1px solid #f3f4f6; }
.solutions-wrapper {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}
.solution-item {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 4rem;
    align-items: center;
}
.solution-visual { grid-column: span 7 / span 7; }
.solution-box {
    border-radius: 1rem;
    overflow: hidden;
    background-color: #f3f4f6;
    aspect-ratio: 16 / 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border: 1px solid #f3f4f6;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.solution-box-inner { text-align: center; }
.solution-icon { font-size: 3rem; margin-bottom: 0.75rem; }
.solution-box-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 0.5rem; }
.solution-box-desc { font-size: 0.75rem; color: #6b7280; max-width: 24rem; margin: 0 auto; }
.solution-text {
    grid-column: span 5 / span 5;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.solution-accent-line { width: 2rem; height: 2px; }
.solution-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    color: #9ca3af;
}
.solution-heading {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.35;
}
.solution-desc {
    font-size: 0.875rem;
    color: #4b5563;
    line-height: 1.6;
}
.solution-action { padding-top: 0.5rem; }
.btn-dark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--brand-black);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: background-color 0.3s;
}
.btn-dark:hover { background-color: var(--chupi-pink); }

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 3rem;
    align-items: center;
}
.pricing-text {
    grid-column: span 6 / span 6;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.pricing-heading {
    font-size: 1.875rem;
    font-weight: 700;
    line-height: 1.3;
}
.pricing-desc {
    font-size: 0.875rem;
    color: #4b5563;
    line-height: 1.625;
}
.pricing-card {
    grid-column: span 6 / span 6;
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 2rem;
    background-color: #f9fafb;
    font-family: 'JetBrains Mono', monospace;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}
.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}
.border-bottom-sub { border-bottom: 1px solid #e5e7eb; }
.price-label { color: #6b7280; }
.price-val { font-weight: 700; color: var(--brand-black); }
.price-total-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    padding-top: 0.5rem;
}
.price-total-label {
    display: block;
    font-size: 0.6875rem;
    color: #6b7280;
    font-family: 'Noto Sans JP', sans-serif;
    margin-bottom: 0.25rem;
}
.price-total-val {
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--brand-black);
}
.price-total-unit {
    font-size: 0.75rem;
    color: #6b7280;
    font-family: 'Noto Sans JP', sans-serif;
    margin-left: 0.25rem;
    font-weight: 400;
}
.btn-pink {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--chupi-pink);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: background-color 0.3s;
}
.btn-pink:hover { background-color: var(--chupi-pink-hover); }

/* Benefits */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}
.benefit-card {
    border: 1px solid #e5e7eb;
    border-radius: 1rem;
    padding: 2rem;
    background-color: #f9fafb;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.benefit-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
}
.benefit-heading {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-black);
    line-height: 1.35;
}
.benefit-highlight {
    font-size: 1.875rem;
    font-weight: 900;
    font-family: 'JetBrains Mono', monospace;
}
.benefit-desc {
    font-size: 0.75rem;
    color: #4b5563;
    line-height: 1.6;
}

/* Process */
.border-bottom-pink { border-bottom: 1px solid rgba(255, 255, 255, 0.2); }
.tab-switcher {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 0.25rem;
}
.tab-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    padding-bottom: 1rem;
    cursor: pointer;
    font-family: inherit;
    font-size: inherit;
    transition: all 0.3s;
}
.tab-btn:hover { color: #ffffff; }
.tab-btn.active {
    color: #ffffff;
    font-weight: 700;
    border-bottom: 2px solid #ffffff;
}
.tab-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}
.step-row {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
    align-items: flex-start;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
}
.step-num-col { grid-column: span 2 / span 2; }
.step-num {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background-color: #ffffff;
    color: var(--brand-black);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-weight: 700;
    display: inline-block;
}
.step-text-col {
    grid-column: span 10 / span 10;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.step-title { font-size: 1rem; font-weight: 700; }
.step-desc { font-size: 0.75rem; color: rgba(255, 255, 255, 0.9); line-height: 1.6; }
.alert-box {
    padding: 1rem;
    background-color: rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0.75rem;
    font-size: 0.75rem;
    line-height: 1.6;
    font-family: 'JetBrains Mono', monospace;
    margin-bottom: 1rem;
}

/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 1rem; }
.faq-item { border-bottom: 1px solid rgba(255, 255, 255, 0.2); padding-bottom: 1rem; }
.faq-btn {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 0.75rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #ffffff;
    cursor: pointer;
    font-family: inherit;
    transition: color 0.3s;
}
.faq-btn:hover { color: var(--brand-black); }
.faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 700;
    font-size: 1rem;
}
.faq-q-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    background-color: #ffffff;
    color: var(--brand-black);
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
}
.faq-icon { font-size: 0.75rem; transition: transform 0.2s; }
.faq-answer { padding: 0.5rem 0 1rem; font-size: 0.75rem; color: rgba(255, 255, 255, 0.9); line-height: 1.6; }
.rotate-180 { transform: rotate(180deg); }

/* Contact Section */
.contact-section {
    max-width: 56rem;
    margin: 0 auto;
    padding: 7rem 3rem;
}
.contact-header { margin-bottom: 3rem; }
.contact-card {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 3rem;
    background-color: #ffffff;
    color: var(--brand-black);
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1);
}
.contact-info { display: flex; flex-direction: column; gap: 0.75rem; }
.contact-label { font-family: 'JetBrains Mono', monospace; font-size: 0.75rem; font-weight: 700; }
.contact-heading { font-size: 1.5rem; font-weight: 700; }
.contact-desc { font-size: 0.875rem; color: #4b5563; line-height: 1.6; max-width: 32rem; margin: 0 auto; }
.contact-action { max-width: 28rem; margin: 1rem auto 0; width: 100%; }
.btn-contact-external {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--brand-black);
    color: #ffffff;
    font-weight: 700;
    font-size: 1rem;
    padding: 1.25rem 2rem;
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.btn-contact-external:hover {
    background-color: var(--chupi-pink);
    box-shadow: 0 10px 15px -3px rgba(241, 102, 152, 0.3);
}
.contact-icon { font-size: 0.75rem; transition: transform 0.3s; }
.btn-contact-external:hover .contact-icon { transform: scale(1.1); }
.contact-note { font-family: 'JetBrains Mono', monospace; font-size: 0.6875rem; color: #6b7280; padding-top: 0.5rem; }

/* Footer */
.site-footer {
    background-color: #111827;
    border-top: 1px solid #1f2937;
    color: #9ca3af;
    padding: 3rem 1.5rem;
    font-family: 'JetBrains Mono', monospace;
}
.footer-inner {
    max-width: 80rem;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}
.footer-logo { height: 1.5rem; width: auto; margin-bottom: 0.5rem; display: block; }
.footer-address { font-size: 0.6875rem; color: #9ca3af; }
.footer-copyright { font-size: 0.6875rem; color: #6b7280; }


/* PC用改行（デフォルト表示 / スマホで非表示） */
.pc_br {
    display: inline;
}

/* スマホ用改行（デフォルト非表示 / スマホで表示） */
.sp_br {
    display: none;
}

/* スマホ画面（768px以下）の切り替え */
@media (max-width: 768px) {
    .pc_br {
        display: none !important;
    }
    .sp_br {
        display: inline !important;
    }
}



/* `<style>` タグ内に追記 */
.responsive-arrow::before {
    content: "▼";
}
@media (min-width: 768px) {
    .responsive-arrow::before {
        content: "▶";
    }
}