:root {
    --primary-color: #87CEEB; /* 薄いブルー */
    --text-color: #333;
    --bg-color: #FFFFFF;
    --bg-light-color: #f7fafd;
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
    --header-h: 80px; /* fallback header height for offset */
}

*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: var(--font-sans);
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--bg-color);
    line-height: 1.8;
    overflow-x: hidden; /* prevent incidental horizontal scroll on mobile */
    /* Offset main content below fixed header (actual height is set via JS) */
    padding-top: var(--header-h);
}

html { overflow-x: hidden; scroll-padding-top: var(--header-h); }

/* Mobile-friendly media defaults */
img, svg, video { max-width: 100%; height: auto; display: block; }
iframe { max-width: 100%; }
button, .btn { min-height: 44px; }

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.header {
    background-color: var(--bg-color);
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    /* Safe area for notched devices */
    padding-top: calc(20px + env(safe-area-inset-top));
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

/* Make nav occupy remaining space next to logo (desktop) */
.header-nav {
    flex: 1;
    margin-left: 24px;
}

.header-logo a {
    text-decoration: none;
    color: var(--text-color);
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
}

.header-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: space-evenly; /* 端も含めて均等配置 */
    gap: 0;                        /* 均等配置と干渉しないよう0に */
    flex-wrap: nowrap;             /* デスクトップは1行を維持 */
}

.header-nav ul li {
    margin: 0;            /* gapで統一管理 */
}

.header-nav ul li a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 700;
    transition: color 0.3s;
}

.header-nav ul li a:hover {
    color: var(--primary-color);
}

/* Hamburger Menu */
.hamburger-menu {
    display: none; /* デフォルトでは非表示 */
    width: 30px;
    height: 24px;
    position: relative;
    cursor: pointer;
    z-index: 200;
    background: none;
    border: none;
    padding: 0;
}

.hamburger-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-color);
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger-menu span:nth-child(1) {
    top: 0;
}

.hamburger-menu span:nth-child(2) {
    top: 11px;
}

.hamburger-menu span:nth-child(3) {
    top: 22px;
}

.hamburger-menu.active span:nth-child(1) {
    transform: translateY(11px) rotate(45deg);
}

.hamburger-menu.active span:nth-child(2) {
    opacity: 0;
}

.hamburger-menu.active span:nth-child(3) {
    transform: translateY(-11px) rotate(-45deg);
}

/* Hero Section */
#hero {
    background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('images/cosyama.cherie.esthe.6.png');
    /* Avoid fixed height to prevent text clipping on fluid scaling */
    min-height: clamp(360px, 55vh, 520px);
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

#hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(26px, 6vw, 48px);
    margin: 0 0 20px 0;
}

/* SP-only split title handling */
#hero .hero-content .hero-title--sp { display: none; }
@media (max-width: 768px) {
  #hero .hero-content .hero-title--sp { display: block; }
  #hero .hero-content h1:not(.hero-title--sp) { display: none !important; }
}

/* Problem Section */
#problem {
    background-color: var(--bg-light-color);
}

/* Unify hero inner width with .container (menu-like margins) */
#hero .hero-content,
#menu-hero .hero-content,
#about-hero .hero-content,
#contact-hero .hero-content {
    width: 90%;
    max-width: 1000px; /* keep in sync with .container */
    margin-inline: auto;
}
@media (max-width: 768px) {
    #hero .hero-content,
    #menu-hero .hero-content,
    #about-hero .hero-content,
    #contact-hero .hero-content {
        width: 95%;
    }
}

.problem-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.problem-title {
    font-family: var(--font-serif);
    font-size: clamp(20px, 5.5vw, 32px);
    margin-bottom: 30px;
}

.problem-content ul {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
    display: inline-block;
}

.problem-content ul li {
    padding-left: 1.5em;
    position: relative;
    margin-bottom: 10px;
}

.problem-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.problem-solution {
    font-weight: 700;
    font-size: clamp(14px, 3.8vw, 18px);
}


/* Section */
.section {
    padding: 80px 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(22px, 5.2vw, 36px);
    text-align: center;
    margin: 0;
}

.section-subtitle {
    text-align: center;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 50px;
    font-size: clamp(12px, 3.6vw, 16px);
}

.bg-light {
    background-color: var(--bg-light-color);
}

/* About: make Therapist section match REASONS background */
.section:has(.profile) {
    background-color: var(--bg-light-color);
}

/* Concept Section */
.concept-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.concept-text {
    flex: 1;
}

.concept-image {
    flex: 1;
}

.concept-image img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Service Section */
.service-items {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 40px;
}

.service-item {
    background-color: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    text-align: center;
    flex: 1;
}

.service-item img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 20px;
}

/* Gallery Section */
.gallery-images {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.gallery-images img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* Voice Section */
.voice-items {
    display: flex;
    gap: 40px;
}

.voice-item {
    flex: 1;
    background: var(--bg-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.voice-images {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.voice-image-before, .voice-image-after {
    flex: 1;
    position: relative;
}

.voice-image-before img, .voice-image-after img {
    width: 100%;
    border-radius: 8px;
}

.voice-image-before span, .voice-image-after span {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(0,0,0,0.5);
    color: white;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.voice-image-after span {
    background: var(--primary-color);
}

.voice-text h4 {
    font-family: var(--font-serif);
    margin: 0 0 10px 0;
}


/* Access Section */
.access-content {
    display: flex;
    align-items: flex-start; /* 上揃えで文字の頭を揃える */
    gap: 50px;
}

.access-map {
    flex: 1;
}

.access-map iframe {
    width: 100%;
    border-radius: 8px;
}

.access-info {
    flex: 1;
}

.access-info p {
    margin: 6px 0;
    line-height: 1.9;
}

.access-info h3 {
    font-family: var(--font-serif);
    font-size: 20px;
    margin: 12px 0 8px;
}

.access-info h4 {
    font-size: 16px;
    margin: 8px 0 6px;
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    color: #fff;
    padding: .75em 1.25em; /* vertical/horizontal (em) -> textサイズに追従 */
    border-radius: 999px;
    text-decoration: none;
    font-weight: 700;
    line-height: 1; /* 行ボックスの余白を抑え上下均等に */
    white-space: nowrap; /* CTAの改行を防ぐ */
    transition: background-color .2s ease;
}

.btn:hover {
    background-color: #6caed8;
}

/* Contact lead: show mobile-optimized two-line text only on small screens */
#contact .contact-lead--sp { display: none; }
@media (max-width: 600px) {
  #contact .contact-lead--sp { display: block; }
  /* Hide all non-SP lead paragraphs in contact section on small screens */
  #contact .section-subtitle ~ p:not(.contact-lead--sp) { display: none !important; }
}

/* Broaden smartphone coverage (some devices >600px logical width) */
@media (max-width: 768px) {
  #contact .section-subtitle ~ p:not(.contact-lead--sp) { display: none !important; }
}

/* (reverted) contact-actions custom layout removed per request */

/* Footer */
.footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px 0;
}
.footer p { margin: 0; }
.footer p .year { font-variant-numeric: tabular-nums; }

/* SP: keep copyright on one line and auto-fit size */
@media (max-width: 768px) {
  .footer p {
    white-space: nowrap;                   /* 1行で表示 */
    font-size: clamp(10px, 3.6vw, 1rem);   /* 自動調整（最大は現状=1rem） */
  }
  /* Footer policy links: 1行固定 + 自動縮小（最大は現状=14px） */
  .footer .footer-links {
    white-space: nowrap;
    font-size: 9px; /* 指示に合わせSPで固定9px */
  }
  .footer .footer-links a,
  .footer .footer-links .divider { white-space: nowrap; }
  /* Narrow spacing around separator on SP */
  .footer .footer-links a { margin: 0 4px; }
  .footer .footer-links .divider { margin: 0 2px; }
}
.footer .footer-links { margin-top: 6px; font-size: 14px; }
.footer .footer-links a { color: #fff; opacity: .9; text-decoration: none; margin: 0 8px; }
.footer .footer-links a:hover { opacity: 1; text-decoration: underline; }
.footer .footer-links .divider { color: rgba(255,255,255,.4); margin: 0 4px; }

/* Menu Page */
#menu-hero {
    background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('images/cosyama.cherie.esthe.6.png');
    min-height: clamp(280px, 45vh, 400px);
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

#menu-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 6vw, 48px);
    margin: 0;
}

.menu-list-item {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    align-items: center;
}

.menu-list-image {
    flex: 1;
}

.menu-list-image img {
    width: 100%;
    border-radius: 8px;
}

.menu-list-text {
    flex: 2;
}

.menu-list-text h3 {
    font-family: var(--font-serif);
    font-size: clamp(18px, 4.2vw, 24px);
    margin-top: 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.price {
    font-size: clamp(16px, 4.2vw, 20px);
    font-weight: 700;
    color: var(--text-color);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        width: 95%;
    }

    .header .container {
        /* Keep brand and hamburger on one row in SP */
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: initial;
    }

    .header-nav ul {
        flex-direction: column;
        margin-top: 20px;
    }

    .header-nav ul li {
        margin: 10px 0;
    }

    .hamburger-menu {
        display: block;
    }

    .header-nav {
        position: absolute;       /* dropdown under header */
        top: 100%;
        left: 50%;
        transform: translateX(-50%); /* center horizontally under header */
        width: 70%;               /* 30% narrower than full width on SP */
        background-color: var(--bg-color);
        padding-left: env(safe-area-inset-left);
        padding-right: env(safe-area-inset-right);
        box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        overflow: hidden;
        max-height: 0;
        transition: max-height 0.3s ease-out;
        display: flex;                 /* center inner list horizontally */
        justify-content: center;
        align-items: flex-start;       /* keep content aligned to top */
    }

    .header-nav.active {
        max-height: 80vh;
        overflow-y: auto;
    }

    .header-nav ul {
        flex-direction: column;
        padding: 20px 0;
        display: inline-block; /* shrink to content for centering */
        text-align: left;       /* keep text left-aligned */
    }

    /* #hero h1 uses fluid sizing via clamp() globally; do not override here */
    /* #hero h1 { font-size: 36px; } */

    /* .problem-title uses fluid sizing; no fixed override */

    .concept-content,
    .service-items,
    .voice-items,
    .access-content,
    .menu-list-item {
        flex-direction: column;
    }

    .concept-image,
    .access-map,
    .menu-list-image {
        width: 100%;
    }

    .gallery-images {
        grid-template-columns: repeat(2, 1fr);
    }

    .voice-item {
        margin-bottom: 30px;
    }

    .voice-images {
        flex-direction: row;
    }

    .voice-image-before, .voice-image-after {
        flex: 1;
    }

    #menu-hero h1 {
        font-size: 36px;
    }
}

@media (max-width: 480px) {
    #hero h1 {
        font-size: 28px;
    }

    /* .problem-title fluid via clamp; no override */

    .section-title { font-size: clamp(22px, 5.2vw, 36px); }

    .gallery-images {
        grid-template-columns: 1fr;
    }

    .voice-images {
        flex-direction: column;
    }

    .menu-list-text h3 {
        flex-direction: column;
        align-items: flex-start;
    }

    .price {
        margin-top: 5px;
    }
}

/* Business status badge */
.business-status {
    display: inline-block;
    margin-top: 6px;
    padding: 4px 10px;
    border-radius: 999px;
    background-color: #eee;
    color: #333;
    font-weight: 700;
    font-size: 14px;
}

.business-status.open {
    background-color: #e6f7ec;
    color: #0a7a3d;
}

/* Inline info under access */
.access-info .info-inline {
    margin-top: 28px; /* カテゴリ間の余白を強調 */
    padding-top: 16px;
    border-top: 1px solid #e6e6e6;
}
.access-info .info-block { margin-top: 12px; }
.access-info .info-block h4 {
    margin: 6px 0;
    font-size: 16px;
}
.access-info .info-block ul {
    margin: 0 0 0 18px;
    padding: 0;
}

/* Contact page */
#contact-hero {
    background-image: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), url('images/cosyama.cherie.esthe.6.png');
    /* Avoid fixed height to prevent clipping */
    min-height: clamp(220px, 40vh, 360px);
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
}

.form-grid { max-width: 760px; margin: 0 auto; }
.form-group { margin-bottom: 16px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

.form-group label { display:block; font-weight:700; margin-bottom:6px; }
.req { color: #d33; font-size: 12px; margin-left: 4px; }

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
input[type="time"],
select,
textarea {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #ddd;
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 16px;
    background: #fff;
}

textarea { resize: vertical; }

.form-check { margin: 14px 0; }
.form-check input { margin-right: 8px; }

.form-actions { margin-top: 12px; }
.form-actions .alt { font-size: 14px; color: #666; margin-top: 8px; }

.error { color: #c0392b; font-size: 13px; min-height: 18px; margin-top: 4px; }

@media (max-width: 600px) {
    .form-row { flex-direction: column; }
}

/* Clean design overrides: simple & airy */
:root {
    --heading-color: #1f2a44;
    --muted-color: #777;
    --radius: 8px;
}

/* Typography and sections */
.section { padding: 72px 0; }
.section-title { color: var(--heading-color); }
.section-subtitle { color: var(--muted-color); letter-spacing: 0.2em; margin-bottom: 40px; }

/* Hero: lighter overlay, slightly shorter */
#hero { background-image: linear-gradient(rgba(0,0,0,0.22), rgba(0,0,0,0.22)), url('images/cosyama.cherie.esthe.6.png'); min-height: clamp(360px, 55vh, 520px); }
#hero h1 { font-size: clamp(28px, 6.5vw, 44px); margin-bottom: 16px; }

/* Problem list bullet: simple dot */
.problem-content ul li::before { content: '・'; }

/* Cards to flat panels */
.service-item,
.voice-item { box-shadow: none; border: 1px solid #f0f2f5; border-radius: var(--radius); padding: 24px; }

/* Access */
.access-map iframe { height: 420px; border-radius: var(--radius); }
.access-info .info-inline { margin-top: 28px; padding-top: 16px; border-top: 1px solid #e6e6e6; }

/* Buttons: flat and accessible */
.btn { padding: .75em 1.25em; border-radius: 999px; transition: background-color .2s ease; }
.btn:hover { background-color: #6cbbe6; }
.btn:focus-visible { outline: 3px solid rgba(135,206,235,.5); outline-offset: 2px; }

/* Business status: softer */
.business-status { background-color: #eef5fb; color: #2f6a8f; font-size: 13px; }
.business-status.open { background-color: #e6f7ec; color: #0a7a3d; }

@media (max-width: 768px) {
  #hero { min-height: clamp(360px, 55vh, 420px); }
  /* #hero h1 fluid via clamp; no override */
  .access-map iframe { height: 340px; }
}

@media (max-width: 480px) {
  /* #hero h1 fluid via clamp; no override */
  .access-map iframe { height: 300px; }
}

/* Layout simplification: tidy and airy */
.container { max-width: 1000px; }
.header-logo a { font-size: 22px; letter-spacing: .02em; }

/* Gallery: fewer columns for clarity */
.gallery-images { grid-template-columns: repeat(3, 1fr); gap: 14px; }

/* Voice and menu: card-like but flat */
.voice-items { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.menu-list-item { border: 1px solid #f0f2f5; border-radius: 8px; padding: 20px; box-shadow: none; }
.menu-list-text h3 { border-bottom: 1px solid #e6eef6; }

/* (removed) Home front simple menu cards */

@media (max-width: 900px) {
  .gallery-images { grid-template-columns: repeat(2, 1fr); }
  .voice-items { grid-template-columns: 1fr; }
}

/* Home Menu (front page digest) */
.home-menu-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.home-menu-card {
    background-color: var(--bg-color);
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    padding: 16px;
    text-align: center;
}

.home-menu-card img {
    width: 100%;
    height: 220px; /* 統一高さ */
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.home-menu-card h3 {
    font-size: 18px;
    margin: 12px 0 6px;
    font-family: var(--font-serif);
}

.home-menu-card .price {
    font-weight: 700;
    color: var(--primary-color);
}

.home-menu-actions {
    text-align: center;
    margin-top: 18px;
}

@media (max-width: 1024px) {
    .home-menu-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .home-menu-cards {
        grid-template-columns: 1fr;
    }
    .home-menu-card img {
        height: 200px;
    }
}

/* Thanks message */
.thanks-message {
  font-size: 20px;
  font-weight: 700;
  color: var(--heading-color, #1f2a44);
  margin: 6px 0 10px;
}

.thanks-note {
  color: #666;
  margin: 0 0 14px;
}

/* Comfortable, clean form fields */
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="date"],
.form-group input[type="time"],
.form-group select,
.form-group textarea {
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 12px 14px;
  min-height: 44px;
  line-height: 1.4;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}

.form-group textarea { min-height: 140px; }

.form-group input::placeholder,
.form-group textarea::placeholder { color: #9aa3ad; }

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: 0;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(135,206,235,.20);
}

/* Stronger ring for keyboard users */
.form-group input:focus-visible,
.form-group select:focus-visible,
.form-group textarea:focus-visible {
  outline: 3px solid rgba(135,206,235,.45);
  outline-offset: 2px;
}

/* Highlight label when the group is focused */
.form-group:focus-within label {
  color: var(--primary-color);
}

/* Error state */
.form-group.has-error label { color: #d93025; }
.form-group .is-invalid,
.form-check .is-invalid {
  border-color: #d93025 !important;
  box-shadow: 0 0 0 3px rgba(217,48,37,.12);
}
.form-check.has-error label { color: #d93025; }

/* Checkbox tap target */
.form-check label { display: inline-flex; align-items: center; gap: 8px; }
.form-check input { width: 18px; height: 18px; }

/* CTA submit button — more prominent */
.btn-cta {
  background-color: #2b8fd8;
  box-shadow: 0 6px 16px rgba(43,143,216,.28);
  padding: 12px 26px;
  font-size: 16px;
}
.btn-cta:hover { background-color: #1f7fc2; }
.btn-cta:focus-visible { outline: 4px solid rgba(43,143,216,.35); outline-offset: 2px; }
.btn-cta:active { transform: translateY(1px); }

.form-actions { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
@media (max-width: 600px) {
  .form-actions .btn-cta { width: 100%; text-align: center; }
}

/* Option list image slot (placeholder) */
.option-list .menu-list-image .image-slot {
  width: 100%;
  height: 200px;
  border: 2px dashed #e0e0e0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #9aa3ab;
  background-color: #fafafa;
  font-size: 14px;
}

@media (max-width: 768px) {
  .option-list .menu-list-image .image-slot { height: 180px; }
}

/* Empathy section (above concept) */
.empathy .empathy-lead {
  text-align: center;
  color: #555;
  max-width: 820px;
  margin: 0 auto 18px;
}
.empathy .empathy-list {
    list-style: none;
    padding: 0;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr; /* 1カラムに固定 */
    justify-items: center;      /* 各項目をセンター寄せ */
    gap: 12px 18px;
    max-width: 980px;
}
.empathy .empathy-list li {
    background: #fff;
    border: 1px solid #f0f2f5;
    border-radius: 8px;
    padding: 12px 14px 12px 40px;
    position: relative;
    width: 480px;      /* 2カラム時と同等の囲み幅を維持 */
    max-width: 100%;   /* 端末幅が狭い場合ははみ出さない */
}
.empathy .empathy-list li::before {
  content: '✓';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--primary-color);
  font-weight: 700;
}
@media (max-width: 800px) {
  .empathy .empathy-list { grid-template-columns: 1fr; }
}

/* (removed) PASONA section styles */
/* SUPER Credo Section */
.super-container {
  font-family: var(--font-sans);
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
  text-align: center;
}
.super-container h1 {
  font-family: var(--font-serif);
  font-size: 36px; /* align with .section-title */
  font-weight: 700;
  color: var(--heading-color, #1f2a44);
  margin: 0 0 10px;
}
.super-container .subtitle {
  font-size: 1rem;
  color: #666;
  margin: 0 0 36px;
  line-height: 1.7;
}
.super-container .section-subtitle { margin: 0 0 10px; }
/* Bold, slightly larger SUPER keyword under subtitle */
.super-container .super-keyword {
  margin: 0 0 12px;
  font-weight: 700;
  font-family: var(--font-serif); /* S | Safety と同じ書体 */
  font-size: 1.5rem; /* +3pt 相当（約24px） */
  color: #555; /* S | Safety と同じ色 */
}
.credo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(260px, 1fr));
  gap: 20px;
}
/* 5項目時、3カラムで最終行2カードを中央寄せ */
.credo-grid > .credo-item:nth-last-child(2):nth-child(odd) { grid-column: 2; }
.credo-item {
  background-color: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  flex: 1 1 300px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  text-align: left;
}
.credo-item h2 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: #555;
  border-bottom: 2px solid #e0e0e0;
  padding-bottom: 10px;
  margin: 0 0 16px;
}
.credo-item h2::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 22px;
  background-color: var(--primary-color);
  margin-right: 10px;
  vertical-align: middle;
  border-radius: 3px;
}
.credo-item ul { list-style: none; padding: 0; margin: 0; }
.credo-item li {
  font-size: 0.97rem;
  line-height: 1.8;
  color: #555;
}
.credo-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.10);
  transition: transform .25s ease, box-shadow .25s ease;
}
@media (max-width: 600px) {
  .super-container { padding: 32px 16px; }
  .super-container h1 { font-size: 28px; }
}

/* Earlier mobile nav activation to prevent header text overflow on tablets */
@media (max-width: 1024px) {
  .hamburger-menu { display: block; }
  .header-nav {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    width: 85%;
    background-color: var(--bg-color);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.3s ease-out;
    display: flex;
    justify-content: center;
    align-items: flex-start;
  }
  .header-nav.active { max-height: 80vh; overflow-y: auto; }
  .header-nav ul { flex-direction: column; padding: 20px 0; display: inline-block; text-align: left; margin-top: 0; }
  .header-nav ul li { margin: 10px 0; }
}

/* Credo grid responsive (2カラム) */
@media (max-width: 900px) {
  .credo-grid {
    grid-template-columns: repeat(2, minmax(220px, 1fr));
  }
  /* 最後の1枚を横幅いっぱいにして中央に */
  .credo-grid > .credo-item:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .credo-grid {
    grid-template-columns: 1fr;
  }
}
/* A11y: focus ring for hamburger on keyboard nav */
.hamburger-menu:focus-visible { outline: 3px solid rgba(135,206,235,.5); border-radius: 4px; }

/* --------------------------------------------------
   Fluid Typography (RWD-friendly smooth scaling)
   - Scales root font-size and common headings
   - Kept conservative to avoid layout shifts
--------------------------------------------------- */
html {
  /* Base font scales from 15px (mobile) to 18px (desktop) */
  font-size: clamp(15px, 1.6vw, 18px);
}

/* Global heading scale (overridden by more specific section rules where present) */
h1 { font-size: clamp(28px, 6vw, 40px); }
h2 { font-size: clamp(22px, 4.6vw, 32px); }
h3 { font-size: clamp(18px, 3.4vw, 24px); }
h4 { font-size: clamp(16px, 2.8vw, 20px); }
small, .small { font-size: clamp(12px, 2.6vw, 14px); }

/* Key components overriding fixed px to fluid values */
.header-logo a { font-size: clamp(18px, 3.5vw, 24px); }
.access-info h3 { font-size: clamp(18px, 3vw, 22px); }
.access-info h4 { font-size: clamp(15px, 2.5vw, 18px); }
.super-container h1 { font-size: clamp(24px, 5.2vw, 36px); }

/* Button inherits fluid size; ensure comfortable minimum */
.btn { font-size: clamp(14px, 2.8vw, 16px); line-height: 1.25; }

/* --------------------------------------------------
   Legal page (SPECIFIED COMMERCIAL TRANSACTIONS) —
   Fluid typography tuning for dense content
--------------------------------------------------- */
#legal { font-size: clamp(15px, 1.6vw, 18px); }
#legal .section-title { font-size: clamp(24px, 5.2vw, 36px); }
#legal .section-subtitle { font-size: clamp(12px, 3.2vw, 16px); }
#legal .updated { font-size: clamp(12px, 2.6vw, 14px); }

/* Body copy and lists */
#legal p,
#legal li { font-size: clamp(14px, 2.6vw, 16px); line-height: 1.9; }

/* Key-value grid */
#legal .kv-item b { font-size: clamp(14px, 2.8vw, 18px); }
#legal .kv-item div { font-size: clamp(14px, 2.6vw, 16px); }

/* Details/summary blocks */
#legal summary { font-size: clamp(15px, 2.4vw, 18px); }

/* Tables */
#legal .table th,
#legal .table td { font-size: clamp(14px, 2.4vw, 16px); }

/* Very small screens: allow footer text to wrap to avoid clipping */
@media (max-width: 360px) {
  .footer p { white-space: normal; line-height: 1.4; }
  .footer .footer-links { white-space: normal; }
}