/* ===========================
   Design Tokens
=========================== */
:root {
    --black:       #1D1D1F;
    --gray-900:    #1D1D1F;
    --gray-800:    #424245;
    --gray-700:    #515154;
    --gray-600:    #6E6E73;
    --gray-500:    #86868B;
    --gray-400:    #A1A1A6;
    --gray-300:    #D2D2D7;
    --gray-200:    #E8E8ED;
    --gray-100:    #F5F5F7;
    --white:       #FFFFFF;
    --green:       #34C759;

    --font-sans:  'Inter', 'Noto Sans JP', sans-serif;
    --font-serif: 'Noto Serif JP', 'Georgia', serif;

    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  20px;
    --radius-xl:  32px;
    --radius-full: 9999px;

    --shadow-sm:  0 1px 4px rgba(0,0,0,.06);
    --shadow-md:  0 4px 24px rgba(0,0,0,.10);
    --shadow-lg:  0 12px 48px rgba(0,0,0,.18);

    --header-h:   80px;
    --max-w:      1160px;
    --section-py: 100px;
    --ease:       0.28s cubic-bezier(.4,0,.2,1);
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: var(--white);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--ease); }
ul { list-style: none; }

/* ===========================
   Layout
=========================== */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 28px; }
.section    { padding: var(--section-py) 0; }

.section-header { text-align: center; margin-bottom: 64px; }

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.6vw, 38px);
    font-weight: 700;
    line-height: 1.4;
    color: var(--black);
    margin-bottom: 16px;
}
.section-title.text-left { text-align: left; }

.section-desc { font-size: 16px; color: var(--gray-600); max-width: 520px; margin: 0 auto; }

.pc-only { display: inline; }

/* ===========================
   Buttons
=========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 28px;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--ease);
    white-space: nowrap;
    text-align: center;
}
.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn-gold {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    box-shadow: 0 4px 20px rgba(0,0,0,.20);
}
.btn-gold:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,0,0,.28);
}

.btn-navy {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}
.btn-navy:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-ghost {
    background: transparent;
    color: var(--black);
    border-color: var(--gray-300);
}
.btn-ghost:hover {
    border-color: var(--black);
    background: var(--gray-100);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,.45);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,.10);
    border-color: var(--white);
}

.btn-lg  { padding: 16px 36px; font-size: 16px; }
.btn-full { width: 100%; justify-content: center; padding: 16px; font-size: 16px; }


/* ===========================
   Header
=========================== */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    height: var(--header-h);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: box-shadow var(--ease);
}
.site-header.scrolled { box-shadow: 0 1px 0 var(--gray-200), var(--shadow-sm); }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    gap: 24px;
}

.site-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}
.site-logo-img {
    height: 60px !important;
    width: auto !important;
    display: block;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 28px;
}
.nav-list a {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-600);
}
.nav-list a:hover { color: var(--black); }

.nav-cta-group {
    display: flex;
    align-items: center;
    gap: 10px;
}
.nav-cta-group .btn { padding: 9px 20px; font-size: 13px; }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    flex-shrink: 0;
}
.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--black);
    border-radius: 2px;
    transition: all var(--ease);
}

/* ===========================
   Hero
=========================== */
.hero {
    position: relative;
    min-height: 100svh;
    display: flex;
    align-items: center;
    padding-top: var(--header-h);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: #0A0A0A;
    z-index: 0;
}

.hero-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    pointer-events: none;
}
.hero-glow--1 {
    top: -10%;
    right: 5%;
    width: 55%;
    height: 70%;
    background: radial-gradient(ellipse, rgba(255,255,255,.07) 0%, transparent 70%);
    animation: glowDrift1 12s ease-in-out infinite alternate;
}
.hero-glow--2 {
    bottom: -20%;
    left: -5%;
    width: 50%;
    height: 80%;
    background: radial-gradient(ellipse, rgba(255,255,255,.04) 0%, transparent 70%);
    animation: glowDrift2 16s ease-in-out infinite alternate;
}
.hero-glow--3 {
    top: 20%;
    left: 30%;
    width: 40%;
    height: 60%;
    background: radial-gradient(ellipse, rgba(255,255,255,.03) 0%, transparent 70%);
    animation: glowDrift1 20s ease-in-out infinite alternate-reverse;
}
@keyframes glowDrift1 {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(30px, -20px) scale(1.08); }
}
@keyframes glowDrift2 {
    from { transform: translate(0, 0) scale(1); }
    to   { transform: translate(-20px, 30px) scale(1.06); }
}

.hero .container { position: relative; z-index: 1; }

.hero-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    padding: 100px 0 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: calc(100svh - var(--header-h));
    justify-content: center;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: rgba(255,255,255,.5);
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.05);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(32px, 3.4vw, 46px);
    font-weight: 700;
    color: var(--white);
    line-height: 1.3;
    letter-spacing: -.02em;
    margin-bottom: 24px;
    text-wrap: balance;
}

.hero-text {
    font-size: 16px;
    color: rgba(255,255,255,.52);
    line-height: 1.95;
    margin-bottom: 44px;
    max-width: 520px;
    text-wrap: pretty;
}

.hero-cta {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-hero-primary {
    background: rgba(255,255,255,.96);
    color: #07101F;
    border-color: transparent;
    box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 8px 32px rgba(0,0,0,.3);
}
.btn-hero-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 0 0 1px rgba(255,255,255,.3), 0 12px 40px rgba(0,0,0,.38);
}

/* Hero Visual / Card */
.hero-visual {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 16px;
}

.hero-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255,255,255,.06);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 32px 80px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.1);
    position: relative;
    overflow: hidden;
}
.hero-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 24px;
    background: linear-gradient(135deg, rgba(255,255,255,.07) 0%, transparent 55%);
    pointer-events: none;
}

.hero-card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.4);
    margin-bottom: 28px;
}
.hero-card-dot {
    width: 8px;
    height: 8px;
    background: #34C759;
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(52,199,89,.8);
    animation: dotPulse 2.4s ease-in-out infinite;
}
@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: .5; transform: scale(.85); }
}

.hero-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    background: rgba(255,255,255,.08);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 20px 22px;
    background: rgba(255,255,255,.04);
}
.hero-stat:hover { background: rgba(255,255,255,.07); }

.hero-stat-num {
    font-family: var(--font-sans);
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    line-height: 1;
    letter-spacing: -.02em;
}
.hero-stat-num small {
    font-size: 13px;
    font-weight: 500;
    color: rgba(255,255,255,.5);
    margin-left: 2px;
}

.hero-stat-label {
    font-size: 11px;
    font-weight: 500;
    color: rgba(255,255,255,.38);
    letter-spacing: .04em;
}

.hero-card-footer {
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 20px;
}
.hero-card-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 12px;
    font-weight: 500;
    color: rgba(255,255,255,.45);
}
.hero-card-tag svg {
    width: 10px;
    height: 10px;
    color: #34C759;
    flex-shrink: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: rgba(255,255,255,.55);
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.10);
    border-radius: var(--radius-full);
    padding: 9px 18px;
    backdrop-filter: blur(10px);
}
.hero-badge svg {
    width: 15px;
    height: 15px;
    color: #34C759;
    flex-shrink: 0;
}

.hero-scroll-hint {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.25);
    font-size: 10px;
    letter-spacing: .14em;
    text-transform: uppercase;
    z-index: 1;
}
.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,.3), transparent);
    animation: scrollPulse 2s ease infinite;
}
@keyframes scrollPulse {
    0%, 100% { opacity: .3; }
    50% { opacity: 1; }
}

/* Hero内のbtn-gold用スタイルは削除（btn-hero-primaryに移行） */


/* ===========================
   For Whom
=========================== */
.for-whom { background: var(--gray-100); }

.whom-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.whom-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    border: 1px solid var(--gray-200);
    position: relative;
    overflow: hidden;
    transition: all var(--ease);
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.whom-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: var(--gray-400);
}
.whom-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--black);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--ease);
}
.whom-card:hover::before { transform: scaleX(1); }

.whom-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--black);
}
.whom-icon svg { width: 32px; height: 32px; }

.whom-badge {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--gray-600);
}

.whom-title {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
}

.whom-desc {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.8;
}

.whom-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}
.whom-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-900);
}
.whom-list li::before {
    content: '';
    width: 5px;
    height: 5px;
    background: var(--gray-400);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ===========================
   Flow
=========================== */
.flow { background: var(--white); }

.flow-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    background: var(--gray-100);
    border-radius: var(--radius-full);
    padding: 4px;
    width: fit-content;
    margin: 0 auto 56px;
}

.flow-tab {
    padding: 11px 32px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--gray-600);
    transition: all var(--ease);
}
.flow-tab.is-active {
    background: var(--black);
    color: var(--white);
    box-shadow: var(--shadow-sm);
}

.flow-content { display: block; }
.flow-content.is-hidden { display: none; }

.flow-steps {
    display: flex;
    align-items: flex-start;
    gap: 0;
    position: relative;
}

.flow-step {
    flex: 1;
    text-align: center;
    padding: 0 16px;
}
.flow-step-num {
    font-family: var(--font-serif);
    font-size: 40px;
    font-weight: 700;
    color: var(--gray-300);
    line-height: 1;
    margin-bottom: 16px;
    opacity: 1;
}
.flow-step h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}
.flow-step p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

.flow-arrow {
    font-size: 22px;
    color: var(--gray-300);
    padding-top: 10px;
    flex-shrink: 0;
    align-self: flex-start;
    margin-top: 22px;
}

/* ===========================
   About
=========================== */
.about { background: var(--gray-100); }

.about-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-lead {
    font-family: var(--font-serif);
    font-size: 20px;
    color: var(--black);
    margin-bottom: 16px;
    border-left: 3px solid var(--black);
    padding-left: 16px;
}

.about-body {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.9;
    margin-bottom: 16px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 32px 0;
}

.about-value {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.value-icon {
    width: 40px;
    height: 40px;
    background: var(--black);
    color: var(--white);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    flex-shrink: 0;
}

.about-value strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 2px;
}
.about-value p {
    font-size: 14px;
    color: var(--gray-600);
}

.about-info-list {
    display: flex;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.about-info-item {
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: 16px;
    padding: 18px 24px;
    border-bottom: 1px solid var(--gray-100);
    align-items: baseline;
}
.about-info-item:last-child { border-bottom: none; }

.about-info-label {
    font-size: 12px;
    font-weight: 700;
    color: var(--gray-500);
    letter-spacing: .04em;
    white-space: nowrap;
}

.about-info-value {
    font-size: 14px;
    color: var(--black);
    font-weight: 500;
    line-height: 1.7;
}

/* ===========================
   Contact
=========================== */
.contact { background: var(--gray-100); }

.contact-tabs {
    display: flex;
    justify-content: center;
    gap: 0;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-full);
    padding: 4px;
    width: fit-content;
    margin: 0 auto 48px;
    box-shadow: var(--shadow-sm);
}

.contact-tab {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--gray-600);
    transition: all var(--ease);
}
.contact-tab svg { width: 16px; height: 16px; }
.contact-tab.is-active {
    background: var(--black);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.contact-panel { display: none; }
.contact-panel.is-active { display: block; }

.contact-inner {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
    align-items: start;
}

.contact-info-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    line-height: 1.5;
}

.contact-info-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 28px;
}

.contact-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 36px;
}
.contact-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--black);
}
.contact-feature svg { width: 18px; height: 18px; color: var(--green); flex-shrink: 0; }

.contact-tel { border-top: 1px solid var(--gray-200); padding-top: 24px; }
.contact-tel-label { font-size: 12px; color: var(--gray-400); margin-bottom: 4px; font-weight: 500; }
.contact-tel-num {
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    color: var(--black);
    display: block;
    margin-bottom: 4px;
}
.contact-tel-num:hover { color: var(--gray-600); }
.contact-tel-hours { font-size: 12px; color: var(--gray-400); }

.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 6px;
}

.req {
    font-size: 10px;
    font-weight: 700;
    background: var(--black);
    color: var(--white);
    padding: 1px 6px;
    border-radius: 3px;
    letter-spacing: .04em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: var(--font-sans);
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius-sm);
    background: var(--white);
    color: var(--gray-900);
    transition: border-color var(--ease), box-shadow var(--ease);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--black);
    box-shadow: 0 0 0 3px rgba(0,0,0,.06);
}
.form-group textarea { resize: vertical; min-height: 100px; }

.form-privacy {
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 12px;
}
.form-privacy a { color: var(--black); text-decoration: underline; }

/* ===========================
   Footer
=========================== */
.site-footer {
    background: var(--black);
    color: rgba(255,255,255,.6);
    padding: 64px 0 32px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 64px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 28px;
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    margin-bottom: 12px;
}
.footer-logo-img {
    height: 40px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
    opacity: .8;
}
.footer-logo-img:hover { opacity: 1; }

.footer-tagline {
    font-size: 13px;
    color: rgba(255,255,255,.35);
    max-width: 240px;
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-address {
    font-style: normal;
    font-size: 13px;
    color: rgba(255,255,255,.3);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: 56px;
}

.footer-link-head {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: rgba(255,255,255,.9);
    margin-bottom: 16px;
}

.footer-link-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-link-col a {
    font-size: 14px;
    color: rgba(255,255,255,.45);
}
.footer-link-col a:hover { color: var(--white); }

.footer-bottom { text-align: center; }
.copyright { font-size: 12px; color: rgba(255,255,255,.25); }

/* ===========================
   Blog / Inner pages
=========================== */
.posts-layout { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
.posts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }

.post-card {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--ease);
    background: var(--white);
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.post-card-thumb img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.post-card-body { padding: 24px; }
.post-meta { display: flex; gap: 10px; font-size: 12px; color: var(--gray-400); margin-bottom: 8px; }
.post-card-title { font-size: 16px; font-weight: 700; color: var(--black); margin-bottom: 8px; line-height: 1.5; }
.post-card-title a:hover { color: var(--gray-600); }
.post-card-excerpt { font-size: 13px; color: var(--gray-600); margin-bottom: 14px; }
.post-card-more { font-size: 13px; font-weight: 600; color: var(--black); }

.single-post .post-header { margin-bottom: 32px; }
.post-title { font-family: var(--font-serif); font-size: clamp(22px, 3vw, 34px); font-weight: 700; color: var(--black); line-height: 1.4; margin-top: 10px; }
.post-thumbnail { margin-bottom: 36px; border-radius: var(--radius-md); overflow: hidden; }
.post-content { font-size: 16px; line-height: 1.9; }
.post-content h2 { font-family: var(--font-serif); font-size: 22px; color: var(--black); margin: 36px 0 14px; }
.post-content p { margin-bottom: 18px; color: var(--gray-600); }

.page-title { font-family: var(--font-serif); font-size: clamp(24px, 3vw, 36px); font-weight: 700; color: var(--black); margin-bottom: 28px; padding-bottom: 20px; border-bottom: 1px solid var(--gray-200); }

.sidebar .widget { margin-bottom: 28px; padding: 20px; background: var(--white); border-radius: var(--radius-md); border: 1px solid var(--gray-200); }
.widget-title { font-size: 14px; font-weight: 700; color: var(--black); margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid var(--black); }

.error-404 { text-align: center; padding: 80px 0; }
.error-code { font-family: var(--font-serif); font-size: 100px; font-weight: 700; color: var(--gray-200); line-height: 1; margin-bottom: 16px; }
.error-title { font-size: 26px; font-weight: 700; color: var(--black); margin-bottom: 12px; }
.error-text { color: var(--gray-600); margin-bottom: 28px; }

/* ===========================
   Responsive
=========================== */
@media (max-width: 900px) {
    :root { --section-py: 72px; }
    .hero-content { padding: 72px 0 88px; min-height: unset; }
    .hero-title { font-size: clamp(28px, 5vw, 38px); }
    .whom-grid { grid-template-columns: 1fr; }
    .about-inner { grid-template-columns: 1fr; gap: 48px; }
    .contact-inner { grid-template-columns: 1fr; }
    .footer-top { flex-direction: column; gap: 40px; }
    .footer-links { flex-wrap: wrap; gap: 36px; }
    .flow-steps { flex-wrap: wrap; justify-content: center; gap: 32px; }
    .flow-arrow { display: none; }
    .flow-step { min-width: 200px; flex: 0 0 calc(50% - 16px); }
}

@media (max-width: 768px) {
    .pc-only { display: none; }
    .nav-toggle { display: flex; }
    .site-nav {
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 24px 28px;
        gap: 0;
        border-bottom: 1px solid var(--gray-200);
        box-shadow: var(--shadow-lg);
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--ease);
    }
    .site-nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-list { flex-direction: column; align-items: flex-start; gap: 0; width: 100%; margin-bottom: 16px; }
    .nav-list li { width: 100%; }
    .nav-list a { display: block; padding: 13px 0; border-bottom: 1px solid var(--gray-100); font-size: 15px; }
    .nav-cta-group { flex-direction: column; width: 100%; gap: 8px; }
    .nav-cta-group .btn { width: 100%; justify-content: center; padding: 12px; }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    .hero-content { padding: 64px 0 80px; min-height: unset; }
    .hero-cta { flex-direction: column; align-items: center; }
    .hero-cta .btn { width: 100%; max-width: 360px; justify-content: center; }

    .contact-tab { padding: 10px 20px; font-size: 13px; }
    .contact-form-wrap { padding: 28px 20px; }
    .form-row { grid-template-columns: 1fr; gap: 0; }

    .posts-layout { grid-template-columns: 1fr; }
    .posts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .section-title { font-size: 24px; }
    .whom-card { padding: 32px 24px; }
    .about-card-grid { grid-template-columns: 1fr 1fr; }
}