/* ============================================================
   Aqua Touch Kobe — Main Stylesheet
   /css/style.css
   ============================================================ */

/* --- CSS Variables --------------------------------------- */
:root {
    --clr-primary:         #7ecde6;
    --clr-primary-light:   #b8e8f7;
    --clr-primary-lighter: #e4f6fc;
    --clr-primary-dark:    #4aaecc;
    --clr-accent:          #5bbad6;
    --clr-white:           #ffffff;
    --clr-bg:              #f0f9fd;
    --clr-text:            #3d4a52;
    --clr-muted:           #8aa0aa;
    --clr-footer:          #264a58;

    --ff-body:    'Noto Sans JP', sans-serif;
    --ff-heading: 'Playfair Display', serif;

    --radius-sm: 8px;
    --radius:    14px;
    --radius-lg: 24px;

    --shadow:       0 4px 24px rgba(78, 174, 204, 0.14);
    --shadow-hover: 0 10px 36px rgba(78, 174, 204, 0.28);

    --transition: 0.3s ease;
}

/* --- Reset & Base ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html  { scroll-behavior: smooth; }
body  {
    font-family: var(--ff-body);
    color: var(--clr-text);
    background: var(--clr-bg);
    line-height: 1.85;
    font-size: 15px;
}
a     { text-decoration: none; color: inherit; transition: all var(--transition); }
ul,ol { list-style: none; }
img   { max-width: 100%; height: auto; display: block; }

/* --- Layout helpers -------------------------------------- */
.section-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 88px 28px;
}

.section-title {
    font-family: var(--ff-heading);
    font-size: clamp(1.5rem, 3vw, 2.1rem);
    font-weight: 600;
    color: var(--clr-primary-dark);
    text-align: center;
    letter-spacing: 0.04em;
    margin-bottom: 0;
    position: relative;
    padding-bottom: 22px;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 3px;
    background: linear-gradient(90deg, var(--clr-primary), var(--clr-primary-light));
    border-radius: 2px;
}

.section-lead {
    text-align: center;
    color: var(--clr-muted);
    font-size: 0.93rem;
    margin-top: 24px;
    margin-bottom: 52px;
    line-height: 2.1;
}


/* ============================================================
   HEADER
   ============================================================ */
.site-header {
    position: fixed;
    inset-block-start: 0;
    inset-inline: 0;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--clr-primary-lighter);
    box-shadow: 0 2px 16px rgba(126, 205, 230, 0.1);
    z-index: 1000;
}
.header-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.logo-en {
    display: block;
    font-family: var(--ff-heading);
    font-style: italic;
    font-size: 1.15rem;
    color: var(--clr-accent);
    letter-spacing: 0.04em;
}
.logo-ja {
    display: block;
    font-size: 0.62rem;
    color: var(--clr-muted);
    letter-spacing: 0.12em;
    margin-top: 1px;
}

.gnav ul {
    display: flex;
    align-items: center;
    gap: 32px;
}
.gnav a {
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    color: var(--clr-text);
}
.gnav a:hover { color: var(--clr-accent); }

.gnav-btn {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary-dark));
    color: #fff !important;
    padding: 9px 22px;
    border-radius: 50px;
    font-size: 0.78rem !important;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(78, 174, 204, 0.35);
}
.gnav-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 22px rgba(78, 174, 204, 0.45);
    color: #fff !important;
}


/* ============================================================
   HERO
   ============================================================ */
.hero {
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding-top: 68px;
    background: linear-gradient(155deg, #cceef9 0%, #ddf3fb 30%, #ecf8fd 60%, #f7fbfe 100%);
}

/* 装飾円 */
.hero-deco {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}
.hero-deco--tl {
    top: -120px; left: -120px;
    width: 520px; height: 520px;
    background: radial-gradient(circle, rgba(126,205,230,0.18) 0%, transparent 65%);
}
.hero-deco--br {
    bottom: -100px; right: -100px;
    width: 440px; height: 440px;
    background: radial-gradient(circle, rgba(94,186,214,0.14) 0%, transparent 65%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    padding: 48px 28px;
}

.hero-badge {
    display: inline-block;
    background: var(--clr-primary);
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    padding: 6px 22px;
    border-radius: 50px;
    margin-bottom: 32px;
}

.hero-title {
    font-size: clamp(1.9rem, 5.5vw, 3.2rem);
    font-weight: 300;
    color: var(--clr-text);
    line-height: 1.55;
    letter-spacing: 0.1em;
    margin-bottom: 22px;
}
.hero-title em {
    font-style: normal;
    font-weight: 700;
    color: var(--clr-primary-dark);
    font-family: var(--ff-heading);
}

.hero-sub {
    font-size: 0.95rem;
    color: var(--clr-muted);
    line-height: 2.1;
    margin-bottom: 44px;
}

.btn-hero {
    display: inline-block;
    background: linear-gradient(135deg, var(--clr-accent) 0%, var(--clr-primary-dark) 100%);
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    padding: 17px 52px;
    border-radius: 50px;
    letter-spacing: 0.1em;
    box-shadow: 0 8px 28px rgba(78, 174, 204, 0.42);
    transition: all var(--transition);
}
.btn-hero:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 36px rgba(78, 174, 204, 0.52);
}

.hero-scroll {
    position: absolute;
    bottom: 28px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    z-index: 1;
}
.hero-scroll span {
    display: block;
    width: 1px;
    height: 40px;
    background: linear-gradient(180deg, transparent, var(--clr-primary));
    margin: 0 auto 8px;
    animation: scrollLine 1.6s ease-in-out infinite;
}
.hero-scroll p {
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    color: var(--clr-muted);
    text-transform: uppercase;
}
@keyframes scrollLine {
    0%   { transform: scaleY(0); transform-origin: top; }
    50%  { transform: scaleY(1); transform-origin: top; }
    51%  { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}


/* ============================================================
   FEATURES（帯）
   ============================================================ */
.features {
    background: var(--clr-white);
    border-block: 1px solid var(--clr-primary-lighter);
}
.features-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 36px 28px;
}
.feature-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px 48px;
}
.feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    min-width: 90px;
}
.feature-icon {
    width: 52px;
    height: 52px;
    color: var(--clr-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.feature-icon svg { width: 100%; height: 100%; }
.feature-item p {
    font-size: 0.78rem;
    letter-spacing: 0.04em;
    color: var(--clr-muted);
    text-align: center;
}


/* ============================================================
   ABOUT
   ============================================================ */
.about { background: var(--clr-bg); }

.about-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 0;
}
.about-card {
    background: var(--clr-white);
    border-radius: var(--radius);
    padding: 36px 26px;
    border-top: 4px solid var(--clr-primary);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.about-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.about-num {
    font-family: var(--ff-heading);
    font-size: 1.8rem;
    color: var(--clr-primary-light);
    font-weight: 600;
    line-height: 1;
    margin-bottom: 14px;
}
.about-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--clr-accent);
    margin-bottom: 12px;
    letter-spacing: 0.04em;
}
.about-card p {
    font-size: 0.84rem;
    color: var(--clr-muted);
    line-height: 1.95;
}


/* ============================================================
   COURSE
   ============================================================ */
.course {
    background: linear-gradient(180deg, #ddf3fb 0%, var(--clr-bg) 100%);
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 20px;
}

.course-card {
    background: var(--clr-white);
    border-radius: var(--radius);
    padding: 44px 32px 36px;
    position: relative;
    box-shadow: var(--shadow);
    border: 2px solid var(--clr-primary-light);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}
.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.course-card--premium {
    border-color: var(--clr-primary);
    background: linear-gradient(160deg, #ebf8fd 0%, #ffffff 60%);
}

.course-ribbon {
    position: absolute;
    top: -13px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--clr-accent);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    padding: 4px 20px;
    border-radius: 50px;
    letter-spacing: 0.12em;
    white-space: nowrap;
}
.course-ribbon--premium {
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary-dark));
}

.course-label {
    font-family: var(--ff-heading);
    font-size: 0.72rem;
    color: var(--clr-primary);
    letter-spacing: 0.2em;
    text-align: center;
    margin-bottom: 8px;
}

.course-name {
    font-size: 1.25rem;
    font-weight: 700;
    text-align: center;
    color: var(--clr-text);
    margin-bottom: 4px;
    letter-spacing: 0.06em;
}

.course-time-wrap {
    text-align: center;
    margin-bottom: 14px;
}
.course-time {
    font-size: 1.1rem;
    color: var(--clr-muted);
    font-weight: 300;
}
.course-time small { font-size: 0.8rem; }

.course-price-wrap {
    text-align: center;
    margin-bottom: 24px;
}
.course-price {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--clr-accent);
    font-family: var(--ff-heading);
}
.course-tax {
    font-size: 0.75rem;
    color: var(--clr-muted);
}

.course-menu {
    border-top: 1px dashed var(--clr-primary-light);
    padding-top: 20px;
    margin-bottom: 20px;
    flex: 1;
}
.course-menu li {
    font-size: 0.85rem;
    padding: 5px 0 5px 22px;
    position: relative;
    color: var(--clr-text);
}
.course-menu li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--clr-primary);
    font-weight: 700;
}

.course-desc {
    font-size: 0.8rem;
    color: var(--clr-muted);
    line-height: 1.95;
    border-top: 1px dashed var(--clr-primary-light);
    padding-top: 16px;
    margin-bottom: 24px;
    flex: 0;
}

.btn-course {
    display: block;
    text-align: center;
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary-dark));
    color: #fff;
    font-size: 0.85rem;
    font-weight: 700;
    padding: 13px;
    border-radius: 50px;
    letter-spacing: 0.08em;
    box-shadow: 0 4px 16px rgba(78,174,204,0.3);
    transition: all var(--transition);
}
.btn-course:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(78,174,204,0.42);
}

.course-note {
    text-align: center;
    font-size: 0.78rem;
    color: var(--clr-muted);
    margin-top: 4px;
}


/* ============================================================
   THERAPIST
   ============================================================ */
.therapist { background: var(--clr-white); }

.therapist-wrap { }

.therapist-card {
    display: flex;
    gap: 52px;
    align-items: flex-start;
    background: linear-gradient(140deg, #edf8fd 0%, #ffffff 60%);
    border-radius: var(--radius);
    padding: 52px 48px;
    border: 1px solid var(--clr-primary-light);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.therapist-photo {
    flex-shrink: 0;
    text-align: center;
}
.therapist-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--ff-heading);
    font-size: 2.6rem;
    color: #fff;
    box-shadow: 0 6px 24px rgba(78,174,204,0.36);
    margin-bottom: 10px;
}
.therapist-name-en {
    font-family: var(--ff-heading);
    font-style: italic;
    font-size: 0.9rem;
    color: var(--clr-muted);
}

.therapist-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.therapist-cert {
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--clr-accent);
    background: var(--clr-primary-lighter);
    padding: 3px 10px;
    border-radius: 50px;
    letter-spacing: 0.06em;
}

.therapist-message {
    font-size: 0.88rem;
    line-height: 2.05;
    color: var(--clr-text);
    margin: 16px 0 20px;
    border-left: 3px solid var(--clr-primary-light);
    padding-left: 16px;
}

.therapist-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.therapist-skills li {
    font-size: 0.74rem;
    background: var(--clr-primary-lighter);
    color: var(--clr-accent);
    border: 1px solid var(--clr-primary-light);
    padding: 4px 14px;
    border-radius: 50px;
    letter-spacing: 0.03em;
}

.therapist-note {
    font-size: 0.8rem;
    color: var(--clr-muted);
    text-align: center;
    line-height: 2.05;
    background: var(--clr-primary-lighter);
    border-radius: var(--radius);
    padding: 20px 28px;
    border-left: 4px solid var(--clr-primary);
}


/* ============================================================
   FLOW
   ============================================================ */
.flow { background: var(--clr-bg); }

.flow-list {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
    padding-left: 0;
}
.flow-list::before {
    content: '';
    position: absolute;
    left: 27px;
    top: 56px;
    bottom: 56px;
    width: 2px;
    background: linear-gradient(180deg, var(--clr-primary), var(--clr-primary-lighter));
    border-radius: 1px;
}

.flow-item {
    display: flex;
    gap: 32px;
    align-items: flex-start;
    margin-bottom: 44px;
    position: relative;
}
.flow-item:last-child { margin-bottom: 0; }

.flow-num {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary-dark));
    color: #fff;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 18px rgba(78,174,204,0.32);
    position: relative;
    z-index: 1;
}

.flow-content { padding-top: 14px; }
.flow-content h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 6px;
    letter-spacing: 0.04em;
}
.flow-content p {
    font-size: 0.84rem;
    color: var(--clr-muted);
    line-height: 1.95;
}


/* ============================================================
   RESERVE
   ============================================================ */
.reserve {
    background: linear-gradient(160deg, #d4eef8 0%, #e6f5fc 40%, var(--clr-bg) 100%);
}

.reserve-box {
    display: flex;
    gap: 64px;
    align-items: flex-start;
    justify-content: center;
    background: var(--clr-white);
    border-radius: var(--radius-lg);
    padding: 52px 48px;
    box-shadow: var(--shadow);
    border: 1px solid var(--clr-primary-light);
}

.reserve-qr {
    flex-shrink: 0;
    text-align: center;
}
.qr-img {
    width: 168px;
    height: 168px;
    border: 4px solid var(--clr-primary-light);
    border-radius: var(--radius-sm);
    margin: 0 auto 12px;
    object-fit: cover;
}
.qr-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--clr-text);
    margin-bottom: 4px;
}
.qr-sub {
    font-size: 0.74rem;
    color: var(--clr-muted);
}

.reserve-dl { }
.reserve-dl dt {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--clr-accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-top: 20px;
    margin-bottom: 4px;
}
.reserve-dl dt:first-child { margin-top: 0; }
.reserve-dl dd {
    font-size: 0.88rem;
    color: var(--clr-text);
    line-height: 1.9;
}

.reserve-caution {
    margin-top: 24px;
    background: var(--clr-primary-lighter);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    border-left: 3px solid var(--clr-primary);
}
.caution-title {
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--clr-accent);
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.reserve-caution ul {
    list-style: disc;
    padding-left: 18px;
}
.reserve-caution li {
    font-size: 0.8rem;
    color: var(--clr-muted);
    line-height: 1.85;
}


/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
    background: var(--clr-footer);
    color: rgba(255,255,255,0.65);
    text-align: center;
    padding: 52px 28px;
}
.footer-inner { }

.footer-logo {
    font-family: var(--ff-heading);
    font-style: italic;
    font-size: 1.4rem;
    color: #fff;
    margin-bottom: 6px;
    letter-spacing: 0.04em;
}
.footer-tagline {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    margin-bottom: 24px;
}
.footer-nav {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}
.footer-nav a {
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.6);
    transition: color var(--transition);
}
.footer-nav a:hover { color: #fff; }
.footer-copy {
    font-size: 0.68rem;
    opacity: 0.5;
    letter-spacing: 0.06em;
}


/* ============================================================
   LINE FLOAT BUTTON
   ============================================================ */
.line-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    background: #06C755;
    border-radius: 50px;
    box-shadow: 0 4px 22px rgba(6, 199, 85, 0.42);
    transition: all var(--transition);
    overflow: hidden;
}
.line-float:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 32px rgba(6, 199, 85, 0.55);
}

.line-float-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px 10px 12px;
}
.line-icon {
    width: 30px;
    height: 30px;
    flex-shrink: 0;
}
.line-float-label {
    font-family: var(--ff-body);
    font-size: 0.8rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.06em;
    white-space: nowrap;
}


/* ============================================================
   RESPONSIVE — Tablet / SP
   ============================================================ */
@media (max-width: 768px) {

    /* header nav */
    .gnav { display: none; }

    /* sections */
    .section-inner { padding: 64px 20px; }

    /* about */
    .about-grid { grid-template-columns: 1fr; }

    /* course */
    .course-grid { grid-template-columns: 1fr; gap: 40px; }

    /* therapist */
    .therapist-card {
        flex-direction: column;
        align-items: center;
        padding: 36px 24px;
        gap: 28px;
        text-align: center;
    }
    .therapist-name { justify-content: center; }
    .therapist-message { border-left: none; border-top: 3px solid var(--clr-primary-light); padding-left: 0; padding-top: 16px; text-align: left; }
    .therapist-skills { justify-content: center; }

    /* flow */
    .flow-list::before { left: 24px; }
    .flow-num { width: 48px; height: 48px; font-size: 0.76rem; }

    /* reserve */
    .reserve-box {
        flex-direction: column;
        align-items: center;
        gap: 36px;
        padding: 36px 24px;
    }
    .reserve-dl { width: 100%; }

    /* LINE float — icon only */
    .line-float-label { display: none; }
    .line-float-inner { padding: 10px; }
    .line-icon { width: 38px; height: 38px; }
}

@media (max-width: 480px) {
    .hero-title { letter-spacing: 0.04em; }
    .feature-list { gap: 28px 36px; }
    .therapist-note { padding: 16px; }
}