/* =========================================================
   LAVAS — サイト共通スタイル（全ページがこの 1 枚を読む）
   参考: AWE（awenetwork.ai）— 漆黒のキャンバス、セリフ体の大見出し、
   等幅の小ラベル、ピル型の操作部品、影なし・1px 罫線で奥行きを出す。
   色の差し色は使わない。写真だけが色を持つ。
   ========================================================= */

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

:root {
    color-scheme: dark;

    /* Color */
    --void: #010101;          /* キャンバス */
    --well: #16191b;          /* カード・写真の器 */
    --control: #1f1f23;       /* ピル・小さな面 */
    --hairline: #252525;      /* 罫線 */
    --line-strong: #34343a;   /* 操作部品の枠 */
    --graphite: #444444;      /* 休止中の番号 */
    --faint: #646e71;         /* 計器の小さな数字 */
    --muted: #828b8d;         /* 本文 */
    --soft: #a9b0b2;          /* 本文の強調 */
    --porcelain: #e0e0e0;     /* 見出し・ラベル・リンク */
    --glass: rgba(54, 61, 67, 0.4);

    /* Type */
    --font-display: 'Instrument Serif', 'Shippori Mincho', 'Hiragino Mincho ProN', serif;
    --font-body: 'Inter', 'Noto Sans JP', 'Hiragino Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', 'Noto Sans JP', ui-monospace, monospace;

    --fs-micro: 0.6875rem;                                   /* 11 */
    --fs-mono: 0.8125rem;                                    /* 13 */
    --fs-sm: 0.875rem;                                       /* 14 */
    --fs-body: 0.9375rem;                                    /* 15 */
    --fs-lg: 1.0625rem;                                      /* 17 */
    --fs-h4: 1.25rem;                                        /* 20 */
    --fs-h3: clamp(1.375rem, 1.2rem + 0.6vw, 1.625rem);      /* 22–26 */
    --fs-h2: clamp(2rem, 1.4rem + 2.6vw, 3.5rem);            /* 32–56 */
    --fs-display: clamp(2.5rem, 1.4rem + 4.6vw, 5.75rem);    /* 40–92 */
    --fs-monument: clamp(3rem, 1.6rem + 6vw, 8rem);          /* 48–128 */

    /* Radius */
    --r-pill: 100px;
    --r-card: 16px;
    --r-compact: 8px;
    --r-media: clamp(20px, 4vw, 56px);

    /* Layout */
    --wrap: 1120px;
    --wrap-text: 760px;
    --gutter: clamp(16px, 4vw, 40px);
    --section: clamp(96px, 12vw, 192px);
    --nav-h: 76px;

    --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.8;
    color: var(--muted);
    background: var(--void);
    overflow-x: hidden;
    font-feature-settings: "palt" 1;
}

::selection { background: var(--porcelain); color: var(--void); }
a { color: inherit; }
img { max-width: 100%; display: block; }
strong { color: var(--porcelain); font-weight: 600; }

/* 改行の出し分け（既存マークアップ用） */
.br-mobile-only { display: none; }
.br-desktop-only { display: inline; }

/* =========================================================
   NAV
   ========================================================= */
.nav {
    position: fixed; inset: 0 0 auto 0;
    z-index: 1000;
    height: var(--nav-h);
    background: linear-gradient(180deg, rgba(1,1,1,0.92) 0%, rgba(1,1,1,0.72) 100%);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--hairline);
}
.nav-container {
    max-width: 1440px; height: 100%;
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-logo-img { height: 28px; width: auto; filter: invert(1) brightness(0.9); }
.nav-logo-text {
    font-family: var(--font-mono);
    font-size: var(--fs-mono); font-weight: 400;
    letter-spacing: 0.24em;
    color: var(--porcelain);
}
.nav-menu { display: flex; align-items: center; gap: 8px; list-style: none; }
.nav-link, .nav-back {
    display: inline-flex; align-items: center;
    height: 36px; padding: 0 16px;
    border-radius: var(--r-pill);
    background: var(--control);
    font-size: 0.8125rem; font-weight: 500;
    color: var(--porcelain);
    text-decoration: none; letter-spacing: 0.02em;
    transition: background 200ms var(--ease), color 200ms var(--ease);
}
.nav-link:hover, .nav-back:hover { background: #2a2a30; }
.nav-link[aria-current="page"] { background: var(--porcelain); color: var(--void); }
.nav-cta {
    display: inline-flex; align-items: center;
    height: 36px; padding: 0 20px;
    border-radius: var(--r-pill);
    background: var(--porcelain); color: var(--void);
    font-size: 0.8125rem; font-weight: 600;
    text-decoration: none; letter-spacing: 0.02em;
    transition: background 200ms var(--ease);
}
.nav-cta:hover { background: #ffffff; }

/* =========================================================
   BUTTONS — すべてピル。塗りは磁器色のみ、残りは線
   ========================================================= */
.btn-primary, .btn-white, .btn-secondary, .btn-outline, .btn-submit {
    display: inline-flex; align-items: center; justify-content: center; gap: 10px;
    min-height: 52px; padding: 0 30px;
    border-radius: var(--r-pill);
    font-family: var(--font-body);
    font-size: var(--fs-sm); font-weight: 600; letter-spacing: 0.04em;
    text-decoration: none; cursor: pointer;
    transition: background 220ms var(--ease), color 220ms var(--ease), border-color 220ms var(--ease);
}
.btn-primary, .btn-white, .btn-submit {
    background: var(--porcelain); color: var(--void); border: 1px solid var(--porcelain);
}
.btn-primary:hover, .btn-white:hover, .btn-submit:hover { background: #fff; border-color: #fff; }
.btn-secondary, .btn-outline {
    background: transparent; color: var(--porcelain); border: 1px solid var(--line-strong);
}
.btn-secondary:hover, .btn-outline:hover { border-color: var(--porcelain); }
.btn-primary::after, .btn-white::after, .btn-submit::after { content: "→"; font-family: var(--font-mono); font-weight: 400; }

/* =========================================================
   共通: セクション見出し（計器ラベル＋セリフ体）
   ========================================================= */
body { counter-reset: sec; }

.section-label, .hero-label, .page-label {
    display: inline-flex; align-items: center; gap: 10px;
    font-family: var(--font-mono);
    font-size: var(--fs-mono); font-weight: 400;
    letter-spacing: 0.08em; text-transform: uppercase;
    color: var(--porcelain);
}
.section-label::before, .hero-label::before, .page-label::before {
    content: ""; width: 6px; height: 6px; border-radius: 50%;
    background: var(--porcelain);
}

.section-header {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--hairline);
    margin-bottom: clamp(40px, 6vw, 72px);
}
.section-header .section-label { counter-increment: sec; display: flex; width: 100%; }
.section-header .section-label::after {
    content: "[ 0" counter(sec) " ]";
    margin-left: auto;
    color: var(--faint); letter-spacing: 0.08em;
}
.section-header .section-title {
    font-family: var(--font-display);
    font-size: var(--fs-h2); font-weight: 500;
    line-height: 1.15; letter-spacing: -0.01em;
    color: var(--porcelain);
}
.section-header .section-subtitle {
    font-size: var(--fs-lg); color: var(--muted); max-width: 560px; line-height: 1.8;
}

/* 写真の器 */
.section-visual { margin-bottom: clamp(48px, 7vw, 96px); }
.section-visual-image {
    border-radius: var(--r-media);
    overflow: hidden;
    background: var(--well);
    border: 1px solid var(--hairline);
    aspect-ratio: 16 / 7;
}
.section-visual-image img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85); transition: transform 1.6s var(--ease); }
.section-visual:hover img { transform: scale(1.02); }

/* =========================================================
   TOP: HERO
   ========================================================= */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    padding: calc(var(--nav-h) + 48px) var(--gutter) 96px;
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
    background: var(--void);
    margin-bottom: clamp(48px, 6vw, 96px);
}
.hero-media { position: absolute; inset: 0; z-index: 0; }
.hero-video {
    width: 100%; height: 100%;
    object-fit: cover; display: block;
    background: var(--void) url("../images/hero/hero-poster.jpg") center / cover no-repeat;
}
/* 文字を読ませるための減光: 中央を少し沈め、下端は地色へ溶かす */
.hero-media::after {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background:
        radial-gradient(48% 42% at 50% 50%, rgba(1,1,1,0.55) 0%, rgba(1,1,1,0.18) 70%, rgba(1,1,1,0) 100%),
        linear-gradient(180deg, rgba(1,1,1,0.55) 0%, rgba(1,1,1,0) 22%, rgba(1,1,1,0) 70%, var(--void) 100%);
}
.hero-container {
    position: relative; z-index: 1;
    max-width: 1440px; width: 100%; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center;
}
.hero-content { max-width: 1000px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.hero .hero-label { margin-bottom: 32px; }
.hero .hero-title {
    text-shadow: 0 2px 40px rgba(1,1,1,0.6);
    font-family: var(--font-display);
    font-size: var(--fs-display); font-weight: 500;
    line-height: 1.08; letter-spacing: -0.02em;
    color: var(--porcelain);
    margin-bottom: 32px;
}
.hero-title-accent {
    display: block;
    margin-top: 18px;
    font-family: var(--font-body);
    font-size: var(--fs-h3); font-weight: 400;
    letter-spacing: 0.12em;
    color: var(--muted);
}
.hero .hero-description { font-size: var(--fs-lg); color: var(--soft); max-width: 520px; margin-bottom: 40px; }
.hero-cta-group { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin-bottom: 56px; }
.hero-meta { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; counter-reset: meta; }
.hero-meta-item {
    counter-increment: meta;
    display: inline-flex; align-items: center; gap: 8px;
    height: 34px; padding: 0 16px;
    border-radius: var(--r-pill);
    background: var(--control);
    font-family: var(--font-mono); font-size: 0.75rem;
    color: var(--porcelain); letter-spacing: 0.04em;
}
.hero .hero-meta-item, .hero .btn-secondary {
    background: rgba(31, 31, 35, 0.55);
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.hero .hero-title-accent { color: var(--soft); }
.hero-meta-item::before { content: "0" counter(meta); color: var(--faint); }

/* =========================================================
   TOP: 各セクションの器
   ========================================================= */
.features, .programs, .industries { padding: 0 var(--gutter) var(--section); }
.features-container, .programs-container, .industries-container, .stats-container {
    max-width: var(--wrap); margin: 0 auto;
}

/* 特徴 — 罫線で区切った 5 列 */
.features-grid {
    display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
    border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
}
.feature-item { padding: 32px 24px 36px; border-left: 1px solid var(--hairline); }
.feature-item:first-child { border-left: 0; padding-left: 0; }
.feature-number {
    font-family: var(--font-display);
    font-size: 2.75rem; font-weight: 400; line-height: 1;
    color: var(--graphite); margin-bottom: 36px;
    transition: color 400ms var(--ease);
}
.feature-item:hover .feature-number { color: var(--porcelain); }
.feature-title { font-size: var(--fs-body); font-weight: 600; line-height: 1.5; color: var(--porcelain); margin-bottom: 10px; }
.feature-description { font-size: 0.8125rem; line-height: 1.8; }

/* 研修プログラム — 開閉できる行（既定は閉じる） */
.programs-grid {
    display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 40px;
    border-top: 1px solid var(--hairline);
}
.program-item { border-bottom: 1px solid var(--hairline); }
.program-header {
    list-style: none; cursor: pointer;
    display: grid; grid-template-columns: auto minmax(0, 1fr) auto auto;
    align-items: center; gap: 16px;
    padding: 20px 0;
}
.program-header::-webkit-details-marker { display: none; }
.program-header::after {
    content: "+"; font-family: var(--font-mono); font-size: 1rem; color: var(--faint);
    width: 16px; text-align: center;
}
.program-item[open] .program-header::after { content: "−"; color: var(--porcelain); }
.program-header:hover .program-title { color: #fff; }
.program-level {
    display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
    border-radius: var(--r-pill);
    border: 1px solid var(--line-strong);
    font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.12em;
    color: var(--porcelain);
}
.program-title { font-size: var(--fs-body); font-weight: 600; line-height: 1.5; color: var(--porcelain); transition: color 200ms var(--ease); }
.program-meta { font-family: var(--font-mono); font-size: 0.71875rem; color: var(--faint); white-space: nowrap; }
.program-body { padding: 0 0 24px; animation: program-open 360ms var(--ease); }
@keyframes program-open { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.program-audience { font-family: var(--font-mono); font-size: 0.71875rem; color: var(--faint); margin-bottom: 10px; }
.program-description { font-size: var(--fs-sm); line-height: 1.8; margin-bottom: 14px; }
.program-features { list-style: none; margin-bottom: 18px; }
.program-feature {
    font-size: 0.8125rem; color: var(--soft);
    padding: 4px 0;
    display: flex; gap: 10px;
}
.program-feature::before { content: "—"; color: var(--graphite); }
.program-link {
    display: inline-block;
    font-size: 0.8125rem; font-weight: 500; color: var(--porcelain);
    text-decoration: none; border-bottom: 1px solid var(--porcelain);
    padding-bottom: 2px;
}
.program-link::after { content: " →"; font-family: var(--font-mono); }
.programs-cta { margin-top: 48px; text-align: center; }

/* 事業内容 — 器のカード（3＋2） */
.services { padding: 0 var(--gutter) var(--section); }
.services-container { max-width: var(--wrap); margin: 0 auto; }
.services-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; }
.service-item {
    grid-column: span 2;
    display: flex; flex-direction: column;
    padding: 28px;
    background: var(--well);
    border: 1px solid var(--hairline);
    border-radius: var(--r-card);
    transition: border-color 300ms var(--ease);
}
.service-item:nth-child(n+4) { grid-column: span 3; }
.service-item:hover { border-color: var(--line-strong); }
.service-number {
    font-family: var(--font-display); font-size: 2.75rem; line-height: 1;
    color: var(--graphite); margin-bottom: 40px;
    transition: color 400ms var(--ease);
}
.service-item:hover .service-number { color: var(--porcelain); }
.service-title { font-size: var(--fs-h4); font-weight: 600; line-height: 1.4; color: var(--porcelain); margin-bottom: 10px; }
.service-description { font-size: var(--fs-sm); line-height: 1.8; }
.service-link {
    margin-top: 20px; align-self: flex-start;
    font-size: 0.8125rem; font-weight: 500; color: var(--porcelain);
    text-decoration: none; border-bottom: 1px solid var(--porcelain); padding-bottom: 2px;
}
.service-link::after { content: " →"; font-family: var(--font-mono); }

/* 実績の数値 — 記念碑の数字 */
.stats, .stats-section { padding: 0 var(--gutter) var(--section); }
.stats-grid {
    display: grid; grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
}
.stat-item { padding: 40px 24px 36px; border-left: 1px solid var(--hairline); }
.stat-item:first-child { border-left: 0; padding-left: 0; }
.stat-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 1.6rem + 3vw, 4.5rem); font-weight: 400;
    line-height: 1; letter-spacing: -0.02em;
    color: var(--porcelain); margin-bottom: 20px;
}
.stat-label { font-size: var(--fs-sm); font-weight: 600; color: var(--porcelain); }
.stat-detail { font-family: var(--font-mono); font-size: 0.71875rem; color: var(--faint); margin-top: 4px; }

/* 業種 — 罫線の格子 */
.industries-grid {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline);
    counter-reset: ind;
}
.industry-item {
    counter-increment: ind;
    padding: 32px 28px 40px;
    border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
    transition: background 300ms var(--ease);
}
.industry-item:hover { background: var(--well); }
.industry-item::before {
    content: "0" counter(ind);
    display: block; margin-bottom: 40px;
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint);
}
.industry-title { font-size: var(--fs-h4); font-weight: 600; color: var(--porcelain); margin-bottom: 10px; }
.industry-description { font-size: var(--fs-sm); }

/* 代表・実績 */
.profile { padding: 0 var(--gutter) var(--section); }
.profile-container { max-width: var(--wrap); margin: 0 auto; }
.profile-note {
    display: inline-flex; align-items: center; gap: 10px;
    margin-bottom: 32px; padding: 10px 18px;
    border-radius: var(--r-pill); background: var(--control);
    font-size: 0.8125rem; color: var(--porcelain);
}
.profile-note::before { content: "※"; color: var(--faint); }
.profile .stats-grid { margin-bottom: 56px; }
.stat-unit { font-family: var(--font-body); font-size: 0.9375rem; font-weight: 500; letter-spacing: 0.02em; margin-left: 6px; color: var(--soft); }
.record-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.record-group {
    padding: 28px 32px;
    background: var(--well);
    border: 1px solid var(--hairline);
    border-radius: var(--r-card);
}
.record-genre {
    font-family: var(--font-mono); font-size: 0.75rem; font-weight: 400;
    letter-spacing: 0.08em; color: var(--porcelain);
    display: flex; align-items: center; gap: 10px;
    margin-bottom: 12px;
}
.record-genre::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--porcelain); }
.record-list { list-style: none; }
.record-item {
    position: relative;
    padding: 12px 0 12px 20px; border-top: 1px solid var(--hairline);
    font-size: var(--fs-sm); color: var(--porcelain); line-height: 1.7;
}
.record-item::before { content: ""; position: absolute; left: 2px; top: 1.45em; width: 8px; height: 1px; background: var(--faint); }

/* =========================================================
   CTA（トップ・コース共通）
   ========================================================= */
.cta-section {
    padding: var(--section) var(--gutter);
    text-align: center;
    border-top: 1px solid var(--hairline);
    background:
        radial-gradient(50% 60% at 50% 100%, rgba(110,130,140,0.12) 0%, rgba(1,1,1,0) 70%),
        var(--void);
}
.cta-container { max-width: 900px; margin: 0 auto; }
.cta-title {
    font-family: var(--font-display);
    font-size: var(--fs-display); font-weight: 500;
    line-height: 1.1; letter-spacing: -0.02em;
    color: var(--porcelain); margin-bottom: 32px;
}
.cta-text { font-size: var(--fs-lg); max-width: 560px; margin: 0 auto 44px; }
.cta-buttons { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* =========================================================
   FOOTER（トップ・コースの多段版と、会社ページの簡易版）
   ========================================================= */
.footer {
    padding: 72px var(--gutter) 40px;
    border-top: 1px solid var(--hairline);
    background: var(--void);
}
.footer-container { max-width: var(--wrap); margin: 0 auto; }
.footer-content {
    display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
    padding-bottom: 56px; margin-bottom: 28px;
    border-bottom: 1px solid var(--hairline);
}
.footer-brand {
    font-family: var(--font-mono); font-size: var(--fs-mono);
    letter-spacing: 0.24em; color: var(--porcelain); margin-bottom: 20px;
}
.footer-description { font-size: var(--fs-sm); margin-bottom: 20px; }
.footer-contact { font-family: var(--font-mono); font-size: 0.75rem; line-height: 1.9; color: var(--faint); }
.footer-contact a { color: var(--porcelain); text-decoration: none; }
.footer-column h4 {
    font-family: var(--font-mono); font-size: 0.6875rem; font-weight: 400;
    letter-spacing: 0.16em; color: var(--faint);
    margin-bottom: 18px;
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.8125rem; color: var(--porcelain); text-decoration: none; transition: color 200ms var(--ease); }
.footer-links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.footer-bottom, .footer-copyright {
    font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.06em;
    color: var(--faint);
}

/* 会社ページの簡易フッター */
.footer > .footer-links {
    max-width: var(--wrap); margin: 0 auto 28px;
    display: flex; flex-wrap: wrap; gap: 8px;
    padding-bottom: 28px; border-bottom: 1px solid var(--hairline);
}
.footer-link {
    display: inline-flex; align-items: center; height: 32px; padding: 0 14px;
    border-radius: var(--r-pill); background: var(--control);
    font-size: 0.78125rem; color: var(--porcelain); text-decoration: none;
    transition: background 200ms var(--ease);
}
.footer-link:hover { background: #2a2a30; }
.footer > .footer-copyright { max-width: var(--wrap); margin: 0 auto; }

/* =========================================================
   会社ページ（about / contact / privacy / security / terms）
   ========================================================= */
.main-content { padding-top: var(--nav-h); }
.hero-section {
    max-width: var(--wrap); margin: 0 auto;
    padding: clamp(80px, 12vw, 160px) var(--gutter) clamp(56px, 8vw, 96px);
    text-align: center;
    display: flex; flex-direction: column; align-items: center;
}
.hero-section .hero-label { margin-bottom: 28px; }
.hero-section .hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 1.4rem + 3.6vw, 4.75rem); font-weight: 500;
    line-height: 1.12; letter-spacing: -0.01em;
    color: var(--porcelain);
}
.hero-section .hero-description { margin-top: 28px; font-size: var(--fs-lg); max-width: 620px; }
.hero-date {
    margin-top: 24px;
    display: inline-flex; align-items: center; height: 32px; padding: 0 16px;
    border-radius: var(--r-pill); background: var(--control);
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--porcelain);
}

.content-section {
    max-width: calc(var(--wrap-text) + var(--gutter) * 2); margin: 0 auto;
    padding: 0 var(--gutter) var(--section);
}
.content-section .section-title {
    font-size: var(--fs-h4); font-weight: 600; line-height: 1.5;
    color: var(--porcelain);
    margin: 56px 0 16px; padding-top: 20px;
    border-top: 1px solid var(--hairline);
}
.content-section > .section-title:first-child { margin-top: 0; }
.content-section .section-subtitle {
    font-size: var(--fs-body); font-weight: 600; color: var(--porcelain);
    margin: 28px 0 10px;
}
.content-text { margin-bottom: 16px; }
.content-list { list-style: none; margin: 8px 0 20px; }
.content-list li {
    position: relative; padding: 10px 0 10px 24px;
    border-bottom: 1px solid var(--hairline);
}
.content-list li:first-child { border-top: 1px solid var(--hairline); }
.content-list li::before {
    content: ""; position: absolute; left: 4px; top: 1.45em;
    width: 8px; height: 1px; background: var(--porcelain);
}
.content-link { color: var(--porcelain); text-underline-offset: 4px; }

/* about */
.content-block {
    display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 16px 40px;
    padding: 36px 0; border-top: 1px solid var(--hairline);
}
.content-block:has(+ .section-title) { border-bottom: 1px solid var(--hairline); margin-bottom: 96px; }
.block-title { font-family: var(--font-display); font-size: var(--fs-h3); font-weight: 500; color: var(--porcelain); line-height: 1.3; }
.block-content p + p { margin-top: 14px; }
.content-section:has(.values-grid) { max-width: calc(var(--wrap) + var(--gutter) * 2); }
.content-section:has(.values-grid) .content-block { max-width: none; }
.content-section .section-title:has(+ .values-grid) {
    font-family: var(--font-display); font-size: var(--fs-h2); font-weight: 500;
    line-height: 1.2; margin-bottom: 40px;
}
.values-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; counter-reset: val; }
.value-item {
    counter-increment: val;
    padding: 28px; background: var(--well);
    border: 1px solid var(--hairline); border-radius: var(--r-card);
}
.value-item::before {
    content: "0" counter(val); display: block; margin-bottom: 36px;
    font-family: var(--font-display); font-size: 2.75rem; line-height: 1; color: var(--graphite);
}
.value-title { font-size: var(--fs-h4); font-weight: 600; color: var(--porcelain); margin-bottom: 8px; }
.value-description { font-size: var(--fs-sm); }

/* terms — 表 */
.info-table { width: 100%; border-collapse: collapse; border-top: 1px solid var(--hairline); }
.info-table th, .info-table td {
    text-align: left; vertical-align: top;
    padding: 20px 0; border-bottom: 1px solid var(--hairline);
    font-size: var(--fs-sm);
}
.info-table th {
    width: 32%; padding-right: 24px;
    font-family: var(--font-mono); font-weight: 400; font-size: 0.75rem;
    letter-spacing: 0.04em; color: var(--porcelain);
}

/* =========================================================
   フォーム（contact / apply）
   ========================================================= */
.contact-section {
    max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto;
    padding: 0 var(--gutter) var(--section);
}
.contact-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 12px; align-items: start; }
.form-container, .form-section {
    padding: clamp(24px, 4vw, 48px);
    background: var(--well);
    border: 1px solid var(--hairline);
    border-radius: var(--r-card);
}
.form-group { margin-bottom: 28px; }
.form-label {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 10px;
    font-size: 0.8125rem; font-weight: 500; color: var(--porcelain);
}
.form-required { color: var(--muted); margin-left: 2px; }
.form-label-required {
    display: inline-flex; align-items: center; height: 20px; padding: 0 8px;
    border-radius: var(--r-pill); border: 1px solid var(--line-strong);
    font-family: var(--font-mono); font-size: 0.625rem; letter-spacing: 0.08em;
    color: var(--porcelain);
}
.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-body); font-size: 1rem; color: var(--porcelain);
    background: var(--void);
    border: 1px solid var(--line-strong);
    border-radius: 0;
    transition: border-color 200ms var(--ease);
    appearance: none; -webkit-appearance: none;
}
.form-select {
    background-image: linear-gradient(45deg, transparent 50%, var(--porcelain) 50%), linear-gradient(135deg, var(--porcelain) 50%, transparent 50%);
    background-position: calc(100% - 22px) 50%, calc(100% - 17px) 50%;
    background-size: 5px 5px; background-repeat: no-repeat;
    padding-right: 44px;
}
.form-textarea { min-height: 180px; resize: vertical; line-height: 1.7; }
.form-input::placeholder, .form-textarea::placeholder { color: var(--graphite); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline: none; border-color: var(--porcelain); }
.btn-submit { width: 100%; margin-top: 8px; }
.form-note { font-size: 0.8125rem; color: var(--faint); margin-top: 16px; }

.company-info {
    padding: clamp(24px, 4vw, 40px);
    background: var(--glass);
    border-radius: var(--r-card);
}
.info-title {
    font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400;
    letter-spacing: 0.08em; color: var(--porcelain);
    margin-bottom: 20px;
}
.info-item { padding: 16px 0; border-top: 1px solid var(--hairline); }
.info-label { font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.08em; color: var(--faint); margin-bottom: 6px; }
.info-content { font-size: var(--fs-sm); color: var(--porcelain); }
.info-content a { color: var(--porcelain); text-underline-offset: 4px; }
.info-note { margin-top: 16px; padding: 20px; background: var(--void); border-radius: var(--r-compact); }
.info-note-title { font-size: 0.8125rem; font-weight: 600; color: var(--porcelain); margin-bottom: 6px; }
.info-note-text { font-size: 0.8125rem; line-height: 1.8; }

/* apply */
.container {
    max-width: calc(var(--wrap-text) + var(--gutter) * 2); margin: 0 auto;
    padding: calc(var(--nav-h) + clamp(64px, 10vw, 128px)) var(--gutter) var(--section);
}
.page-header { text-align: center; display: flex; flex-direction: column; align-items: center; margin-bottom: clamp(48px, 7vw, 80px); }
.page-label { margin-bottom: 28px; }
.page-title {
    font-family: var(--font-display);
    font-size: clamp(2.25rem, 1.4rem + 3.6vw, 4.5rem); font-weight: 500;
    line-height: 1.12; color: var(--porcelain); margin-bottom: 28px;
}
.page-description { font-size: var(--fs-lg); }
.info-box {
    padding: 28px clamp(24px, 4vw, 40px);
    margin: 12px 0;
    background: var(--glass);
    border-radius: var(--r-card);
}
.info-box h3 {
    font-family: var(--font-mono); font-size: var(--fs-mono); font-weight: 400;
    letter-spacing: 0.06em; color: var(--porcelain); margin-bottom: 14px;
}
.info-box ul { list-style: none; }
.info-box li { position: relative; padding: 8px 0 8px 22px; font-size: var(--fs-sm); border-top: 1px solid var(--hairline); }
.info-box li::before { content: ""; position: absolute; left: 2px; top: 1.35em; width: 8px; height: 1px; background: var(--porcelain); }

/* =========================================================
   /course
   ========================================================= */
.course-hero {
    max-width: var(--wrap); margin: 0 auto;
    padding: calc(var(--nav-h) + clamp(64px, 10vw, 144px)) var(--gutter) clamp(64px, 9vw, 120px);
    text-align: center;
}
.course-hero-inner { display: flex; flex-direction: column; align-items: center; }
.course-hero .section-label { margin-bottom: 28px; }
.course-hero h1 {
    font-family: var(--font-display);
    font-size: var(--fs-display); font-weight: 500;
    line-height: 1.08; letter-spacing: -0.02em;
    color: var(--porcelain); margin-bottom: 32px;
}
.course-hero-lead { font-size: var(--fs-lg); max-width: 640px; margin-bottom: 40px; }
.course-hero-cta { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }

.course-summary { padding: 0 var(--gutter) var(--section); }
.course-summary-inner { max-width: var(--wrap); margin: 0 auto; }
.summary-grid {
    display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
}
.summary-stat { padding: 40px 24px 36px; border-left: 1px solid var(--hairline); }
.summary-stat:first-child { border-left: 0; padding-left: 0; }
.summary-number {
    font-family: var(--font-display);
    font-size: var(--fs-monument); font-weight: 400;
    line-height: 0.9; letter-spacing: -0.03em;
    color: var(--porcelain); margin-bottom: 20px;
}
.summary-label { font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.04em; color: var(--porcelain); }
.summary-note { margin-top: 24px; font-size: 0.8125rem; color: var(--faint); max-width: 760px; }

.courses-section { max-width: calc(var(--wrap) + var(--gutter) * 2); margin: 0 auto; padding: 0 var(--gutter) var(--section); }
.section-head { padding-top: 20px; border-top: 1px solid var(--hairline); margin-bottom: 40px; }
.section-head .section-title {
    font-family: var(--font-display);
    font-size: var(--fs-h2); font-weight: 500;
    line-height: 1.15; color: var(--porcelain); margin-bottom: 16px;
}
.section-head .section-sub { font-size: var(--fs-lg); }

.level-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 32px; }
.level-chip {
    display: inline-flex; align-items: center; gap: 8px;
    height: 36px; padding: 0 18px;
    border-radius: var(--r-pill);
    background: var(--control); color: var(--porcelain);
    border: 1px solid transparent;
    font-family: var(--font-body); font-size: 0.8125rem; font-weight: 500;
    cursor: pointer;
    transition: background 200ms var(--ease), color 200ms var(--ease);
}
.level-chip:hover { background: #2a2a30; }
.level-chip[aria-pressed="true"] { background: var(--porcelain); color: var(--void); }
.chip-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.chip-dot.intro { border: 1px solid currentColor; }
.chip-dot.applied { background: currentColor; }

.courses-list { display: flex; flex-direction: column; gap: 12px; }
.course-card {
    background: var(--well);
    border: 1px solid var(--hairline);
    border-radius: var(--r-card);
    overflow: hidden;
    transition: border-color 300ms var(--ease);
}
.course-card:hover { border-color: var(--line-strong); }
.course-card.is-hidden { display: none; }
.course-head { padding: clamp(24px, 4vw, 40px); border-bottom: 1px solid var(--hairline); }
.course-head-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.course-level {
    display: inline-flex; align-items: center; height: 26px; padding: 0 12px;
    border-radius: var(--r-pill);
    font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.12em;
}
.course-level.level-intro { border: 1px solid var(--line-strong); color: var(--porcelain); }
.course-level.level-applied { background: var(--porcelain); color: var(--void); }
.course-index { font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); letter-spacing: 0.06em; }
.course-title {
    font-family: var(--font-display);
    font-size: clamp(1.75rem, 1.3rem + 1.6vw, 2.75rem); font-weight: 500;
    line-height: 1.2; color: var(--porcelain); margin-bottom: 20px;
}
.course-meta { list-style: none; display: flex; flex-wrap: wrap; gap: 8px 28px; margin-bottom: 18px; }
.course-meta li { font-size: 0.8125rem; color: var(--soft); }
.course-meta .meta-k {
    display: inline-block; margin-right: 10px;
    font-family: var(--font-mono); font-size: 0.6875rem; letter-spacing: 0.1em; color: var(--faint);
}
.course-meta strong { color: var(--porcelain); }
.course-summary-text { font-size: var(--fs-body); max-width: 760px; }

.curriculum-wrap { padding: 0 clamp(24px, 4vw, 40px) 16px; }
.curriculum-summary {
    list-style: none; cursor: pointer;
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 22px 0 16px;
    font-family: var(--font-mono); font-size: var(--fs-mono); letter-spacing: 0.06em;
    color: var(--porcelain);
}
.curriculum-summary::-webkit-details-marker { display: none; }
.curriculum-summary > span:first-child { flex: 1; }
.curriculum-summary::after { content: "−"; color: var(--faint); font-size: 1rem; }
.curriculum-wrap:not([open]) .curriculum-summary::after { content: "+"; }
.curriculum-summary-meta { color: var(--faint); font-size: 0.75rem; }
.curriculum { display: flex; flex-direction: column; }
.lesson-row {
    display: grid; grid-template-columns: 48px minmax(0, 1fr) auto;
    gap: 8px 24px; align-items: start;
    padding: 20px 0; border-top: 1px solid var(--hairline);
}
.lesson-no { font-family: var(--font-mono); font-size: 0.75rem; color: var(--graphite); padding-top: 3px; }
.lesson-row:hover .lesson-no { color: var(--porcelain); }
.lesson-name { font-size: var(--fs-body); font-weight: 600; line-height: 1.6; color: var(--porcelain); margin-bottom: 4px; }
.lesson-desc { font-size: 0.8125rem; line-height: 1.8; }
.lesson-main { min-width: 0; }
.lesson-time { white-space: nowrap; }
.time-badge {
    display: inline-flex; align-items: center; height: 26px; padding: 0 12px;
    border-radius: var(--r-pill); background: var(--control);
    font-family: var(--font-mono); font-size: 0.75rem; color: var(--porcelain);
}

/* =========================================================
   REVEAL
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); filter: blur(6px); transition: opacity 900ms var(--ease), transform 900ms var(--ease), filter 900ms var(--ease); }
.reveal.active { opacity: 1; transform: none; filter: none; }

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .service-item, .service-item:nth-child(n+4) { grid-column: span 1; }
    .service-item:last-child { grid-column: span 2; }
    .programs-grid { grid-template-columns: 1fr; }
    .record-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stat-item:nth-child(3) { border-left: 0; padding-left: 0; }
    .stat-item:nth-child(n+3) { border-top: 1px solid var(--hairline); }
    .industries-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .features-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .feature-item:nth-child(4) { border-left: 0; padding-left: 0; }
    .feature-item:nth-child(n+4) { border-top: 1px solid var(--hairline); }
    .nav-menu li:not(:last-child) { display: none; }
}

@media (max-width: 768px) {
    :root { --nav-h: 64px; }
    .br-mobile-only { display: inline; }
    .br-desktop-only { display: none; }

    .nav-link, .nav-cta, .nav-back { height: 34px; padding: 0 14px; font-size: 0.75rem; }
    .nav-logo-img { height: 24px; }

    .hero .hero-title { font-size: 8.2vw; }
    .hero-title-accent { letter-spacing: 0.06em; }
    .hero-cta-group, .cta-buttons, .course-hero-cta { flex-direction: column; align-items: stretch; width: 100%; }
    .section-visual-image { aspect-ratio: 4 / 3; }

    .features-grid { grid-template-columns: 1fr; }
    .feature-item { display: grid; grid-template-columns: 56px minmax(0, 1fr); column-gap: 12px; padding: 20px 0; border-left: 0; border-top: 1px solid var(--hairline); }
    .feature-item:first-child { border-top: 0; }
    .feature-number { font-size: 1.75rem; margin-bottom: 0; grid-row: span 2; }
    .feature-title { margin-bottom: 4px; }

    .values-grid, .contact-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .service-item, .service-item:nth-child(n+4), .service-item:last-child { grid-column: auto; }
    .service-number { margin-bottom: 20px; }
    .program-header { grid-template-columns: auto minmax(0, 1fr) auto; row-gap: 4px; }
    .program-meta { grid-column: 2; grid-row: 2; }
    .program-header::after { grid-column: 3; grid-row: 1 / span 2; }
    .record-group { padding: 24px 20px; }
    .profile-note { border-radius: var(--r-compact); align-items: flex-start; }
    .industries-grid { grid-template-columns: 1fr; }
    .industry-item::before { margin-bottom: 20px; }

    .stat-item { padding: 28px 16px; }
    .stat-item:nth-child(odd) { border-left: 0; padding-left: 0; }

    .summary-grid { grid-template-columns: 1fr; }
    .summary-stat { border-left: 0; padding-left: 0; border-top: 1px solid var(--hairline); padding: 28px 0; }
    .summary-stat:first-child { border-top: 0; }

    .lesson-row { grid-template-columns: 36px minmax(0, 1fr); }
    .lesson-time { grid-column: 2; }

    .content-block { grid-template-columns: 1fr; }
    .info-table th, .info-table td { display: block; width: 100%; padding: 0; border: 0; }
    .info-table th { padding-top: 18px; margin-bottom: 6px; }
    .info-table td { padding-bottom: 18px; border-bottom: 1px solid var(--hairline); }
    .info-table tr { display: block; }

    .footer-content { grid-template-columns: 1fr; gap: 32px; }
}

@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1 !important; transform: none !important; filter: none !important; transition: none !important; }
    html { scroll-behavior: auto; }
}