/* ============================================================
   corporate.css — Sakae Care Service Corporate Site
   Requires: base.css
   ============================================================ */


/* ════════════════════════════════════════
   HEADER
   ════════════════════════════════════════ */
header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    padding: 1.2rem 4rem;
    display: flex;
    justify-content: flex-end;
    align-items: center;
    background: rgba(250,249,246,0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    transition: all 0.5s ease;
    border-bottom: 1px solid transparent;
}
header.scrolled {
    padding: 0.8rem 4rem;
    border-bottom: 1px solid var(--gray-100);
    box-shadow: 0 2px 12px rgba(0,0,0,0.03);
}
.header-logo img { height: 40px; }
.header-nav { display: flex; gap: 2.5rem; align-items: center; }
.header-nav a {
    font-size: 0.7rem; font-weight: 400; color: var(--gray-500);
    letter-spacing: 0.15em; transition: color 0.4s; text-transform: uppercase;
}
.header-nav a:hover { color: var(--black); }
.header-nav .nav-cta { color: var(--primary-dark); font-weight: 500; }


/* ════════════════════════════════════════
   PAGE TOP
   ════════════════════════════════════════ */
.page-top {
    padding: 10rem 2rem 5rem;
    text-align: center;
    background: linear-gradient(180deg, var(--warm-white) 0%, var(--cream) 100%);
}
.page-label {
    font-family: var(--font-display);
    font-size: 0.7rem; font-weight: 400; letter-spacing: 0.35em;
    color: var(--primary-dark); text-transform: uppercase;
    display: block; margin-bottom: 1.5rem;
}
.page-top h1 {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(1.4rem, 3.5vw, 2rem);
    line-height: 1.7; letter-spacing: 0.06em; color: var(--black);
}
.page-sub {
    font-size: 0.85rem; font-weight: 300; color: var(--gray-500);
    margin-top: 1.2rem; line-height: 2;
}


/* ════════════════════════════════════════
   SECTIONS & TYPOGRAPHY
   ════════════════════════════════════════ */
.sec { padding: var(--sp-lg) var(--sp-md); }
.bg-alt { background: var(--cream); }
.narrow { max-width: 680px; margin: 0 auto; }
.narrow-form { max-width: 520px; margin: 0 auto; }

.section-head { margin-bottom: 2.5rem; }
.section-label {
    font-family: var(--font-display);
    font-size: 0.65rem; font-weight: 400; letter-spacing: 0.35em;
    color: var(--gray-400); text-transform: uppercase;
    display: block; margin-bottom: 0.5rem;
}
h2 {
    font-family: var(--font-serif); font-weight: 400;
    font-size: clamp(1.1rem, 2.5vw, 1.4rem); line-height: 1.6;
    letter-spacing: 0.06em; color: var(--black);
}
h3 { font-family: var(--font-serif); font-weight: 400; font-size: 1rem; color: var(--black); letter-spacing: 0.03em; }
h4 { font-family: var(--font-serif); font-weight: 400; font-size: 0.95rem; color: var(--black); letter-spacing: 0.03em; margin-bottom: 0.3rem; }
p  { font-size: 0.88rem; font-weight: 300; color: var(--gray-500); line-height: 2; }
.body-text { font-size: 0.9rem; color: var(--gray-500); line-height: 2.2; font-weight: 300; }
.accent { color: var(--primary-dark); }


/* ════════════════════════════════════════
   LIST ROW (numbered list)
   ════════════════════════════════════════ */
.list-row {
    display: flex; gap: 1.5rem; padding: 1.8rem 0;
    border-bottom: 1px solid var(--gray-100); align-items: flex-start;
}
.list-row:first-of-type { border-top: 1px solid var(--gray-100); }
.list-row .num {
    font-family: var(--font-display);
    font-size: 1.1rem; font-weight: 300; color: var(--primary);
    min-width: 28px; padding-top: 0.1rem;
}
.list-row h4 { margin-bottom: 0.3rem; }
.list-row p { font-size: 0.82rem; }
.tag {
    display: inline-block; font-size: 0.6rem; color: var(--gray-400);
    letter-spacing: 0.05em; padding: 0.15rem 0.5rem;
    border: 1px solid var(--gray-200); margin-top: 0.5rem;
    border-radius: var(--radius-sm);
}


/* ════════════════════════════════════════
   LINK ROW (clickable list)
   ════════════════════════════════════════ */
.link-list { margin-top: 0.5rem; }
.link-row {
    display: flex; align-items: center; gap: 1.5rem;
    padding: 1.5rem 0; border-bottom: 1px solid var(--gray-100);
    transition: padding-left 0.3s;
}
.link-row:first-child { border-top: 1px solid var(--gray-100); }
.link-row:hover { padding-left: 0.5rem; }
.link-row .num {
    font-family: var(--font-display);
    font-size: 1rem; font-weight: 300; color: var(--primary); min-width: 28px;
}
.link-row .link-name { font-size: 0.88rem; font-weight: 300; color: var(--charcoal); flex: 1; }
.link-row .arrow { font-size: 0.75rem; color: var(--gray-300); transition: color 0.3s; }
.link-row:hover .arrow { color: var(--primary); }
.status-tag {
    font-size: 0.6rem; color: var(--gray-400); letter-spacing: 0.05em;
    padding: 0.15rem 0.5rem; border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
}


/* ════════════════════════════════════════
   ABOUT NAV
   ════════════════════════════════════════ */
.about-nav {
    display: flex; justify-content: center; gap: 0;
    border-top: 1px solid var(--gray-100); border-bottom: 1px solid var(--gray-100);
    background: var(--white);
}
.about-nav a {
    font-family: var(--font-display);
    font-size: 0.78rem; letter-spacing: 0.15em; color: var(--gray-500);
    padding: 1.2rem 2rem; transition: all 0.3s;
    border-right: 1px solid var(--gray-100);
    position: relative;
}
.about-nav a:last-child { border-right: none; }
.about-nav a:hover { color: var(--primary-dark); }
.about-nav a.active {
    color: var(--primary-dark); background: var(--cream);
}
.about-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -1px; left: 0; right: 0;
    height: 2px;
    background: var(--primary);
}


/* ════════════════════════════════════════
   MESSAGE
   ════════════════════════════════════════ */
.message-layout {
    display: grid; grid-template-columns: 240px 1fr; gap: 3.5rem; align-items: start;
}
.message-photo img { width: 100%; max-width: 200px; display: block; margin: 0 auto; }
.message-photo .caption { text-align: center; margin-top: 1rem; font-size: 0.78rem; color: var(--gray-400); }
.message-photo .caption .label { font-family: var(--font-display); letter-spacing: 0.15em; font-size: 0.7rem; }
.message-heading {
    font-family: var(--font-serif); font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    color: var(--charcoal); line-height: 1.8; font-weight: 400;
    margin-bottom: 2rem; letter-spacing: 0.04em;
}
.emphasis {
    font-size: 0.95rem; color: var(--charcoal); font-weight: 400;
    margin-top: 1.5rem; padding-left: 1rem; border-left: 3px solid var(--primary); line-height: 2;
}
.signature { margin-top: 2.5rem; text-align: right; }
.signature span { font-size: 0.78rem; color: var(--gray-400); }
.signature .name { font-family: var(--font-display); font-size: 1rem; color: var(--black); letter-spacing: 0.08em; }


/* ════════════════════════════════════════
   PHILOSOPHY
   ════════════════════════════════════════ */
.phil-block { padding: var(--sp-lg) var(--sp-md); text-align: center; border-bottom: 1px solid var(--gray-100); }
.phil-label {
    font-family: var(--font-display);
    font-size: 0.65rem; letter-spacing: 0.35em; color: var(--primary-dark);
    text-transform: uppercase; display: block; margin-bottom: 1.5rem;
}
.phil-text {
    font-family: var(--font-serif); font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 400; color: var(--black); line-height: 1.9; letter-spacing: 0.06em;
}
.phil-sub { font-size: 0.88rem; color: var(--gray-500); font-weight: 300; margin-top: 0.8rem; line-height: 2; }
.phil-block .value-list { max-width: 500px; margin: 2rem auto 0; text-align: left; }


/* ════════════════════════════════════════
   QUOTE
   ════════════════════════════════════════ */
.quote { padding: 5rem 2rem; text-align: center; background: var(--cream); }
.quote blockquote {
    font-family: var(--font-serif); font-size: clamp(1.2rem, 2.5vw, 1.5rem);
    font-weight: 300; color: var(--charcoal); line-height: 1.9; max-width: 600px; margin: 0 auto;
}


/* ════════════════════════════════════════
   BANDS (contact CTA)
   ════════════════════════════════════════ */
.member-band, .contact-band {
    padding: 3.5rem 2rem; text-align: center;
    background: linear-gradient(180deg, var(--white) 0%, var(--primary-pale) 100%);
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}
.member-band p, .contact-band p { font-size: 0.85rem; color: var(--gray-500); font-weight: 300; margin-bottom: 1rem; }
.text-link {
    font-family: var(--font-display);
    font-size: 0.82rem; letter-spacing: 0.1em; color: var(--primary-dark); transition: letter-spacing 0.3s;
}
.text-link:hover { letter-spacing: 0.18em; }


/* ════════════════════════════════════════
   TABLE
   ════════════════════════════════════════ */
.info-table { width: 100%; border-collapse: collapse; }
.info-table th {
    font-family: var(--font-display);
    font-size: 0.78rem; font-weight: 400; letter-spacing: 0.1em;
    color: var(--gray-400); text-align: left; padding: 1rem 1rem 1rem 0;
    border-bottom: 1px solid var(--gray-100); width: 120px; vertical-align: top;
}
.info-table td {
    font-size: 0.88rem; font-weight: 300; color: var(--charcoal);
    padding: 1rem 0; border-bottom: 1px solid var(--gray-100);
}


/* ════════════════════════════════════════
   FORMS
   ════════════════════════════════════════ */
.fg { margin-bottom: 1.8rem; }
.fg label {
    display: block; font-size: 0.78rem; font-weight: 400;
    color: var(--charcoal); margin-bottom: 0.5rem; letter-spacing: 0.03em;
}
.req { color: var(--primary-dark); margin-left: 0.2rem; }
.fg input, .fg select, .fg textarea {
    width: 100%; padding: 0.8rem 0;
    border: none; border-bottom: 1px solid var(--gray-200);
    font-size: 0.88rem; font-family: inherit; color: var(--charcoal);
    background: transparent; transition: border-color 0.3s; border-radius: 0;
}
.fg input:focus, .fg select:focus, .fg textarea:focus { outline: none; border-bottom-color: var(--primary); }
.fg textarea {
    min-height: 120px; resize: vertical;
    border: 1px solid var(--gray-200); padding: 0.8rem; margin-top: 0.3rem;
    border-radius: var(--radius-sm);
}
.fg textarea:focus { border-color: var(--primary); }
.fg select { cursor: pointer; }
.submit-btn {
    width: 100%; padding: 1.1rem; background: var(--primary-dark); color: #fff;
    border: none; font-size: 0.85rem; font-weight: 400;
    letter-spacing: 0.12em; cursor: pointer; transition: all 0.3s; margin-top: 1rem;
    border-radius: var(--radius-md);
}
.submit-btn:hover { background: var(--primary); box-shadow: 0 4px 20px rgba(232,166,0,0.25); }
.other-contact { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--gray-100); text-align: center; }
.other-contact p { font-size: 0.78rem; color: var(--gray-400); margin-bottom: 0.5rem; }

.primary-btn {
    display: inline-block; padding: 0.8rem 2.5rem;
    background: var(--primary-dark); color: #fff;
    font-size: 0.82rem; letter-spacing: 0.08em;
    border: none; cursor: pointer; transition: all 0.3s;
    border-radius: var(--radius-md);
}
.primary-btn:hover { background: var(--primary); box-shadow: 0 4px 20px rgba(232,166,0,0.25); }


/* ════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════ */
footer {
    padding: var(--sp-lg) 4rem var(--sp-md);
    border-top: 3px solid var(--primary);
}
.footer-inner {
    max-width: 900px; margin: 0 auto; display: flex;
    justify-content: flex-end; align-items: flex-start; gap: 3rem; flex-wrap: wrap;
}
.footer-brand img { height: 48px; margin-bottom: 0.8rem; }
.footer-brand p {
    font-family: var(--font-display); font-size: 0.7rem;
    color: var(--gray-400); letter-spacing: 0.1em; font-style: italic;
}
.footer-links { display: flex; gap: 3.5rem; }
.footer-col h4 {
    font-family: var(--font-display); font-size: 0.65rem;
    letter-spacing: 0.2em; color: var(--gray-400); margin-bottom: 0.8rem;
    text-transform: uppercase; font-weight: 400;
}
.footer-col a {
    display: block; font-size: 0.75rem; font-weight: 300;
    color: var(--gray-500); padding: 0.25rem 0; transition: color 0.3s;
}
.footer-col a:hover { color: var(--primary-dark); }
.footer-bottom {
    max-width: 900px; margin: 3rem auto 0; padding-top: 1.5rem;
    border-top: 1px solid var(--gray-100); text-align: center;
}
.footer-copy { font-size: 0.6rem; color: var(--gray-400); letter-spacing: 0.1em; }


/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media (max-width: 768px) {
    header { padding: 1rem 1.5rem !important; }
    header.scrolled { padding: 0.8rem 1.5rem !important; }
    .header-nav { gap: 1.5rem; }
    .header-nav a { font-size: 0.6rem; }
    .page-top { padding: 8rem 2rem 3.5rem; }
    .message-layout { grid-template-columns: 1fr; }
    .message-photo img { max-width: 160px; margin: 0 auto; display: block; }
    .about-nav { flex-wrap: wrap; }
    .about-nav a { flex: 1; text-align: center; padding: 1rem; }
    .footer-inner { flex-direction: column; }
    .footer-links { flex-direction: column; gap: 1.5rem; }
    footer { padding: 3rem 2rem 2rem; }
    .list-row { gap: 1rem; }
    .link-row { gap: 1rem; }
}

/* ── Language Switcher ── */
.lang-switch {
    position: relative;
    margin-left: 0.5rem;
}
.lang-btn {
    background: none;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    font-family: "Noto Sans JP", sans-serif;
    font-size: 0.6rem;
    font-weight: 400;
    color: var(--gray-500);
    padding: 4px 10px;
    cursor: pointer;
    letter-spacing: 0.03em;
    transition: all 0.3s;
}
.lang-btn:hover { border-color: var(--primary); color: var(--charcoal); }
.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    display: none;
    z-index: 100;
    min-width: 100px;
    overflow: hidden;
}
.lang-dropdown.open { display: block; }
.lang-option {
    display: block;
    width: 100%;
    background: none;
    border: none;
    font-family: "Noto Sans JP", sans-serif;
    font-size: 0.6rem;
    color: var(--gray-500);
    padding: 8px 14px;
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
}
.lang-option:hover { background: var(--primary-pale); color: var(--charcoal); }
.lang-option.active { color: var(--primary-dark); font-weight: 500; }