/* 公開ページ共通スタイル（LP・解説記事・規約類） */

:root {
    --ink: #1d2327;
    --muted: #596267;
    --line: #dde3e1;
    --tint: #f0f4f2;
    --paper: #ffffff;
    --accent: #1f5e4f;
    --accent-dark: #16473b;
    --danger: #9b2c22;
    --font-body: "BIZ UDPGothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    --font-head: "BIZ UDPMincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

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

html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.9;
    letter-spacing: 0.02em;
    font-feature-settings: "palt" 0;
}

img { max-width: 100%; height: auto; display: block; }

a { color: var(--accent); text-underline-offset: 0.2em; }
a:hover { color: var(--accent-dark); }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

h1, h2, h3 { margin: 0; line-height: 1.5; }

h2 {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(1.45rem, 1.1rem + 1.4vw, 1.95rem);
    letter-spacing: 0.04em;
}

h3 { font-size: 1.05rem; font-weight: 700; }

p { margin: 0 0 1em; }

.wrap {
    max-width: 1080px;
    margin-inline: auto;
    padding-inline: 24px;
}

.skip-link {
    position: absolute;
    left: 8px;
    top: -48px;
    padding: 8px 12px;
    background: var(--ink);
    color: #fff;
    z-index: 100;
}
.skip-link:focus { top: 8px; }

/* ボタン */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border: 0;
    border-radius: 4px;
    background: var(--accent);
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
}
.btn:hover { background: var(--accent-dark); color: #fff; }
.btn--small { padding: 8px 18px; font-size: 0.9rem; }
.btn--block { display: block; width: 100%; }
.btn--outline { background: transparent; color: var(--accent); box-shadow: inset 0 0 0 2px var(--accent); }
.btn--outline:hover { background: var(--accent); color: #fff; }

/* ヘッダー */
.site-header {
    position: sticky;
    top: env(safe-area-inset-top, 0px);
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--line);
}
.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 68px;
}
.brand { color: var(--ink); text-decoration: none; line-height: 1.3; }
.brand:hover { color: var(--ink); }
.brand__name { display: block; font-family: var(--font-head); font-weight: 700; font-size: 1.2rem; letter-spacing: 0.06em; }
.brand__sub { display: block; font-size: 0.72rem; color: var(--muted); }
.site-nav { display: flex; align-items: center; gap: 24px; font-size: 0.9rem; }
.site-nav a:not(.btn) { color: var(--ink); text-decoration: none; }
.site-nav a:not(.btn):hover { text-decoration: underline; }

/* フッター */
.site-footer {
    margin-top: 0;
    padding-block: 56px 24px;
    background: var(--ink);
    color: #d5dbd9;
    font-size: 0.9rem;
}
.site-footer a { color: #d5dbd9; }
.site-footer a:hover { color: #fff; }
.site-footer__inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 32px; }
.site-footer__brand { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; color: #fff; margin-bottom: 8px; }
.site-footer__nav { display: grid; grid-template-columns: repeat(2, auto); gap: 6px 40px; align-content: start; }
.site-footer__copy { margin: 40px 0 0; font-size: 0.8rem; color: #9aa4a1; }

/* Flash */
.flash { padding-top: 16px; }
.alert { position: relative; padding: 14px 44px 14px 16px; border-radius: 4px; background: var(--tint); margin-bottom: 8px; }
.alert-danger { background: #f8e9e7; color: var(--danger); }
.alert-success { background: #e4f0eb; color: var(--accent-dark); }
.alert .close { position: absolute; right: 8px; top: 8px; border: 0; background: none; font-size: 1.25rem; line-height: 1; padding: 4px 8px; color: inherit; cursor: pointer; }

/* セクション共通 */
.section { padding-block: 88px; }
.section--tint { background: var(--tint); }
.section__head { max-width: 40em; margin-bottom: 48px; }
.section__head p { margin: 16px 0 0; color: var(--muted); }

/* ヒーロー */
.hero { padding-block: 72px 88px; overflow: hidden; }
.hero__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: center; }
.hero__title {
    display: block;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: clamp(1.9rem, 1.3rem + 2vw, 2.5rem);
    line-height: 1.45;
    letter-spacing: 0.05em;
}
/* 語句の途中で改行させない */
.hero__title > span { display: inline-block; }
.hero__name { display: block; margin-top: 16px; font-size: 1rem; font-weight: 700; color: var(--accent); letter-spacing: 0.04em; }
.hero__lead { margin: 24px 0 32px; color: var(--muted); }
.hero__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; }
.hero__supervisor { display: flex; align-items: center; gap: 14px; margin-top: 40px; font-size: 0.88rem; line-height: 1.6; }
.hero__supervisor img { width: 52px; height: 52px; border-radius: 50%; object-fit: cover; object-position: top; }
.hero__shot { margin: 0; }

.shot img {
    border: 1px solid var(--line);
    border-radius: 6px;
    box-shadow: 0 24px 48px -28px rgba(29, 35, 39, 0.45);
}
.shot figcaption { margin-top: 12px; font-size: 0.8rem; color: var(--muted); }

/* 法律の説明 */
.law { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; }
.law__measures { margin: 0; padding-left: 1.4em; }
.law__measures li { margin-bottom: 12px; }
.law__measures li::marker { font-weight: 700; color: var(--accent); }

/* 診断でわかること */
.features { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; }
.features__group h3 { font-family: var(--font-head); font-size: 1.25rem; margin-bottom: 20px; padding-bottom: 12px; border-bottom: 2px solid var(--ink); }
.features dl { margin: 0; }
.features dt { font-weight: 700; margin-top: 24px; }
.features dd { margin: 4px 0 0; color: var(--muted); }
.features__shot { margin: 64px 0 0; }

/* 診断の観点 */
.viewpoints { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 48px; margin: 0; }
.viewpoints div { padding-left: 16px; border-left: 3px solid var(--accent); }
.viewpoints dt { font-family: var(--font-head); font-weight: 700; font-size: 1.15rem; }
.viewpoints dd { margin: 6px 0 0; color: var(--muted); font-size: 0.95rem; }
.viewpoints__note { margin-top: 40px; color: var(--muted); font-size: 0.9rem; max-width: 44em; }

/* 監修者 */
.person { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 48px; align-items: start; }
.person__photo { border-radius: 4px; aspect-ratio: 463 / 480; object-fit: cover; }
.person__name { font-family: var(--font-head); font-weight: 700; font-size: 1.6rem; letter-spacing: 0.08em; margin: 0; }
.person__title { margin: 4px 0 20px; color: var(--muted); }
.person__books { margin: 8px 0 0; padding-left: 1.2em; }
.person__books li { margin-bottom: 2px; }

/* ご利用の流れ */
.steps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 32px; counter-reset: step; }
.steps li { counter-increment: step; }
.steps li::before {
    content: counter(step);
    display: block;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 2.2rem;
    line-height: 1;
    color: var(--accent);
    margin-bottom: 12px;
}
.steps h3 { margin-bottom: 6px; }
.steps p { color: var(--muted); font-size: 0.92rem; margin: 0; }

/* 料金 */
.price { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 56px; align-items: start; }
.price-table { width: 100%; border-collapse: collapse; }
.price-table th, .price-table td { padding: 20px 0; border-bottom: 1px solid var(--line); text-align: left; vertical-align: baseline; }
.price-table th { font-weight: 700; width: 45%; }
.price-table td strong { font-family: var(--font-head); font-size: 1.9rem; letter-spacing: 0.02em; }
.price__notes { margin: 0; padding-left: 1.2em; color: var(--muted); }
.price__campaign { display: inline-block; padding: 2px 12px; background: var(--danger); color: #fff; font-size: 0.85rem; font-weight: 700; line-height: 1.8; }
.price__regular { display: block; margin-top: 8px; color: var(--muted); text-decoration-thickness: 2px; text-decoration-color: var(--danger); }
.price-table td .price__free { display: block; color: var(--danger); font-size: 2.6rem; line-height: 1.3; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.campaign-badge { display: inline-flex; align-items: baseline; gap: 6px; margin-bottom: 20px; padding: 6px 16px; border: 2px solid var(--danger); color: var(--danger); font-size: 0.95rem; font-weight: 700; text-decoration: none; }
.campaign-badge strong { font-size: 1.25rem; }
.campaign-badge:hover { background: var(--danger); color: #fff; }
.price__notes li { margin-bottom: 8px; }

/* FAQ */
.faq { max-width: 48em; }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 20px 32px 20px 0; font-weight: 700; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 16px; font-size: 1.4rem; font-weight: 400; color: var(--accent); }
.faq details[open] summary::after { content: "−"; }
.faq details > div { padding: 0 0 20px; color: var(--muted); }
.faq details > div p:last-child { margin-bottom: 0; }

/* 記事一覧 */
.guide-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px 48px; }
.guide-list li { padding-block: 20px; border-bottom: 1px solid var(--line); }
.guide-list a { font-weight: 700; font-size: 1.05rem; }
.guide-list p { margin: 6px 0 0; color: var(--muted); font-size: 0.92rem; }

/* フォーム */
.forms { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: start; }
.form-panel { background: var(--paper); padding: 40px; border-radius: 6px; }
.form-panel h2 { margin-bottom: 8px; }
.form-panel > p { color: var(--muted); font-size: 0.92rem; }
.field { margin-bottom: 20px; }
.field label { display: block; font-weight: 700; font-size: 0.92rem; margin-bottom: 6px; }
.field .req { color: var(--danger); font-size: 0.8rem; margin-left: 6px; font-weight: 400; }
.field input, .field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #b9c2bf;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    color: var(--ink);
    background: #fff;
}
.field textarea { min-height: 160px; resize: vertical; }
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: var(--accent); }
.field__hint { margin: 6px 0 0; font-size: 0.82rem; color: var(--muted); }
.form-agree { font-size: 0.88rem; color: var(--muted); }

/* 申込フォーム：申込者本人も受験する */
.self-exam { margin-bottom: 20px; padding: 16px; border: 1px solid var(--line); border-radius: 4px; background: var(--tint); }
.self-exam__check { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 0.92rem; cursor: pointer; }
.self-exam__check input { width: 18px; height: 18px; margin: 0; accent-color: var(--accent); }
.self-exam__fields { display: none; margin-top: 16px; }
.self-exam:has(#reg-self-exam:checked) .self-exam__fields { display: block; }
.self-exam__row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; }
.self-exam__fields .field { margin-bottom: 16px; }

/* 記事・規約など読み物ページ */
.page { padding-block: 56px 88px; }
.breadcrumb { list-style: none; margin: 0 0 32px; padding: 0; display: flex; flex-wrap: wrap; gap: 4px 8px; font-size: 0.82rem; color: var(--muted); }
.breadcrumb li + li::before { content: "/"; margin-right: 8px; color: #a8b1ae; }
.breadcrumb a { color: var(--muted); }

.prose { max-width: 42em; }
.prose h1 { font-family: var(--font-head); font-weight: 700; font-size: clamp(1.6rem, 1.2rem + 1.8vw, 2.3rem); line-height: 1.5; letter-spacing: 0.04em; }
.prose h2 { margin: 56px 0 16px; font-size: clamp(1.3rem, 1.1rem + 0.8vw, 1.6rem); }
.prose h3 { margin: 32px 0 8px; }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1em; }
.prose li { margin-bottom: 6px; }
.prose table { width: 100%; border-collapse: collapse; margin: 0 0 1.5em; font-size: 0.94rem; }
.prose th, .prose td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.prose th { background: var(--tint); }
.table-scroll { overflow-x: auto; }
.page-meta { margin: 16px 0 40px; font-size: 0.85rem; color: var(--muted); }
.lede { font-size: 1.05rem; }
.note { background: var(--tint); padding: 20px 24px; border-radius: 4px; margin: 0 0 1.5em; }
.note p:last-child { margin-bottom: 0; }
.cta-box { margin-top: 64px; padding: 32px; background: var(--tint); border-radius: 6px; }
.cta-box h2 { margin: 0 0 8px; font-size: 1.3rem; }
.sources { font-size: 0.88rem; }
.related { margin-top: 56px; }
.related h2 { margin-top: 0; }
.legal-date { color: var(--muted); font-size: 0.9rem; }
.contact-box { background: var(--tint); padding: 16px 20px; border-radius: 4px; }
.contact-box p { margin: 0; }
.legal-table th { width: 11em; white-space: nowrap; font-weight: 700; }

/* 申し込み完了 */
.complete { max-width: 36em; padding-block: 96px; }
.complete h1 { font-family: var(--font-head); font-weight: 700; font-size: 1.9rem; margin-bottom: 24px; }

/* 企業担当者ログイン */
.login-body { min-height: 100vh; display: flex; flex-direction: column; }
.login { flex: 1; background: var(--tint); padding-block: 72px 96px; }
.login__panel { max-width: 440px; margin-inline: auto; }
.login__panel h1 { font-family: var(--font-head); font-weight: 700; font-size: 1.5rem; letter-spacing: 0.04em; margin-bottom: 8px; }
.login__panel form { margin-top: 24px; }
.login__links { margin: 24px 0 0; font-size: 0.88rem; text-align: center; }
.login__footer { padding-block: 24px; }
.login__footer .site-footer__copy { margin: 0; }

@media (max-width: 960px) {
    .hero__grid, .law, .features, .price, .forms { grid-template-columns: minmax(0, 1fr); gap: 40px; }
    .viewpoints { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .site-nav a:not(.btn) { display: none; }
}

@media (max-width: 640px) {
    .wrap { padding-inline: 16px; }
    .section { padding-block: 64px; }
    .hero { padding-block: 40px 64px; }
    .viewpoints, .steps, .guide-list { grid-template-columns: minmax(0, 1fr); }
    .person { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    .person__photo { width: 160px; }
    .form-panel { padding: 24px 20px; }
    .brand__sub { display: none; }
    .site-nav { gap: 16px; }
    .site-footer__nav { grid-template-columns: minmax(0, 1fr); }
    .legal-table th { width: auto; white-space: normal; }
}