/* P5: 層と責務ごとのスタイル。画面の同一性は算出スタイルで検証する。 */
@layer layout {
.nav-toggle-box { position: relative; width: 18px; height: 13px; }
.nav-toggle-box span { position: absolute; left: 0; width: 100%; height: 1.5px; background: var(--ink); transition: transform var(--motion-duration-fast) var(--motion-ease-standard),
    opacity var(--motion-duration-fast) var(--motion-ease-standard); }
.nav-toggle-box span:first-child { top: 0; }
.nav-toggle-box span:nth-child(2) { top: 5.5px; }
.nav-toggle-box span:last-child { top: 11px; }
.site-header.nav-open .nav-toggle-box span:first-child { transform: translateY(5.5px) rotate(45deg); }
.site-header.nav-open .nav-toggle-box span:nth-child(2) { opacity: 0; }
.site-header.nav-open .nav-toggle-box span:last-child { transform: translateY(-5.5px) rotate(-45deg); }
.footer-bottom i { margin-right: 7px; width: 4px; height: 4px; }
.site-header nav a:not(.nav-cta)::after { content: ""; position: absolute; right: 0; bottom: 5px; left: 0; height: 1px; background: var(--wood); transform: scaleX(0); transform-origin: right; transition: transform 180ms ease; }
.site-header nav a:not(.nav-cta):hover::after { transform: scaleX(1); transform-origin: left; }
.site-header nav a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.member-subnav small { color: var(--muted); font-size: 11px; letter-spacing: .07em; }
.member-subnav strong { font-size: 15px; font-weight: 650; }
.member-subnav span { color: var(--muted); font-size: 12px; }
.account-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(280px, .9fr); gap: 28px; align-items: start; }
.account-primary { display: grid; gap: 24px; min-width: 0; }
.account-settings { display: grid; gap: 20px; min-width: 0; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 16px 28px; }
main a:not(.button):not(.brand):not(.nav-cta):hover { color: var(--brand-accent); }
.wrap { margin-inline: auto; width: min(1200px, calc(100% - 40px)); }
.brand { font-family: var(--font-sans); display: flex; align-items: center; line-height: 1.3; flex-shrink: 0; font-size: 20px; gap: 10px; font: 700 1.0625rem/1.3 var(--font-sans); letter-spacing: .02em; color: var(--nc-900); min-width: 0; }
.brand > span:last-child { min-width: 0; display: flex; flex-direction: column; }
.brand-mark { display: grid; place-items: center; letter-spacing: 0; font-size: 22px; flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--brand-accent); color: #fff; font: 400 1.25rem/2.25rem var(--font-pillar); text-align: center; }
.brand small { line-height: 1.5; font-size: 12px; display: block; margin-top: 1px; font: 500 0.875rem/1.4 var(--font-sans); letter-spacing: 0; color: var(--nc-600); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
.site-header nav a { position: relative; display: inline-flex; align-items: center; min-height: 40px; padding: 0 12px; border-radius: var(--radius-sm); color: var(--nc-800); text-decoration: none; }
.site-header nav a::after { display: none; }
.site-header nav a:hover { background: var(--nc-100); color: var(--nc-900); }
.site-header nav a[aria-current="page"] { color: var(--brand-ink); box-shadow: inset 0 -2px 0 var(--brand-ink); border-radius: 0; }
.site-header nav .nav-cta { margin-left: 6px; background: var(--brand-ink); color: #fff; border: 0; border-radius: var(--radius-sm); padding: 0 16px; }
.nav-cta { border-bottom: 1px solid var(--red); gap: 32px; border-bottom-color: var(--wood); margin-left: 6px; background: var(--brand-ink); color: #fff; border: 0; border-radius: var(--radius-sm); padding: 0 16px; }
.site-header nav .nav-cta:hover { background: var(--brand-ink-hover); }
.header-quick { display: none; }
.nav-toggle { display: none; align-items: center; justify-content: center; flex-shrink: 0; border-color: var(--line); width: 44px; height: 44px; border: 1px solid var(--nc-300); border-radius: var(--radius-sm); background: var(--nc-0); }
.site-footer { padding-top: 45px; border-top-color: var(--line); margin-top: 0; padding: 56px 0 40px; border-top: 1px solid var(--nc-200); color: var(--nc-600); }
.footer-top .brand small { white-space: normal; }
.footer-top > div { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.footer-top a { min-height: 40px; display: inline-flex; align-items: center; color: var(--nc-800); font-size: 0.875rem; font-weight: 500; text-decoration: none; background: none; border: 0; padding: 0; cursor: pointer; font-family: var(--font-sans); }
.footer-top button { min-height: 40px; display: inline-flex; align-items: center; color: var(--nc-800); font-size: 0.875rem; font-weight: 500; text-decoration: none; background: none; border: 0; padding: 0; cursor: pointer; font-family: var(--font-sans); }
.footer-bottom a { min-height: 40px; display: inline-flex; align-items: center; color: var(--nc-800); font-size: 0.875rem; font-weight: 500; text-decoration: none; background: none; border: 0; padding: 0; cursor: pointer; font-family: var(--font-sans); }
.footer-top a:hover { color: var(--brand-ink); text-decoration: underline; }
.footer-top button:hover { color: var(--brand-ink); text-decoration: underline; }
.footer-bottom a:hover { color: var(--brand-ink); text-decoration: underline; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-block: 33px; gap: 16px 28px; letter-spacing: .04em; flex-wrap: wrap; font-size: 0.8125rem; color: var(--nc-600); border-top: 1px solid var(--nc-200); }
.footer-version { margin-left: 0.375rem; color: var(--nc-600); font-size: 0.875rem; }
.member-subnav::-webkit-scrollbar { display: none; }
.member-subnav a:hover { color: var(--nc-900); background: none; }
.member-subnav a[aria-current="page"] { color: var(--brand-ink); box-shadow: inset 0 -2px 0 var(--brand-ink); background: none; }
.member-main { padding: 30px 0 72px; padding-top: 32px; padding-bottom: 80px; }
.account-settings details { border-top: 1px solid var(--nc-200); }
.brand-release-name { display: inline; }
.brand-release-version { display: inline; }
.member-subnav { display: flex; gap: 4px; margin: 0 auto; padding: 0; overflow-x: auto; scrollbar-width: none; border: 0; border-bottom: 1px solid var(--nc-200); background: none; box-shadow: none; grid-template-columns: none; flex-wrap: nowrap; border-radius: 0; }
.member-subnav a { align-content: center; gap: 1px; transition: color 180ms ease, background-color 180ms ease; flex: none; display: inline-flex; align-items: center; min-height: 48px; padding: 0 16px; border: 0; border-radius: 0; background: none; color: var(--nc-600); font-size: 0.9375rem; font-weight: 600; white-space: nowrap; text-decoration: none; box-shadow: inset 0 -2px 0 transparent; width: auto; }
.member-main.has-hero { max-width: 1040px; }
.site-header { display: flex; align-items: center; justify-content: space-between; position: sticky; z-index: 50; padding: 8px 0; gap: 16px; border-bottom: 1px solid var(--nc-200); background: rgba(253, 252, 251, .94); -webkit-backdrop-filter: saturate(1.4) blur(10px); backdrop-filter: saturate(1.4) blur(10px); top: var(--admin-offset); height: auto; min-height: 80px; }
.site-header nav { font-size: 0.875rem; font-weight: 600; letter-spacing: 0; display: flex; align-items: center; gap: 2px; }
.nav-item { position: relative; }
.nav-parent { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 10px 0 12px; border: 0; border-radius: var(--radius-sm); background: transparent; color: var(--nc-800); font: 600 0.875rem/1.4 var(--font-sans); cursor: pointer; }
.nav-parent::after { content: ""; width: 6px; height: 6px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: translateY(-2px) rotate(45deg); transition: transform 160ms; }
.nav-parent:hover { background: var(--nc-100); color: var(--nc-900); }
.nav-item.is-open > .nav-parent { background: var(--nc-100); color: var(--nc-900); }
.nav-item.is-open > .nav-parent::after { transform: translateY(1px) rotate(225deg); }
.nav-item.is-current > .nav-parent { color: var(--brand-ink); box-shadow: inset 0 -2px 0 var(--brand-ink); border-radius: 0; }
.nav-sub { position: absolute; top: 100%; left: 0; z-index: 60; display: grid; gap: 2px; min-width: 264px; margin-top: 8px; padding: 8px; border: 1px solid var(--nc-200); border-radius: var(--radius-md); background: var(--nc-0); box-shadow: 0 18px 36px -18px rgba(34, 52, 79, .38); opacity: 0; visibility: hidden; transform: translateY(4px); transition: opacity 140ms, transform 140ms, visibility 0s linear 140ms; }
.nav-sub::before { content: ""; position: absolute; left: 0; right: 0; top: -10px; height: 10px; }
.nav-item.is-open > .nav-sub { opacity: 1; visibility: visible; transform: none; transition: opacity 140ms, transform 140ms, visibility 0s; }
.site-header nav .nav-sub a { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; gap: 1px; min-height: 44px; padding: 9px 12px; border: 0; border-radius: var(--radius-sm); white-space: normal; }
.site-header nav .nav-sub a:hover { background: var(--nc-100); }
.site-header nav .nav-sub a[aria-current="page"] { background: var(--brand-ink-soft); box-shadow: none; }
.nav-sub-title { color: var(--nc-900); font-size: 0.9375rem; font-weight: 700; }
.nav-sub-desc { color: var(--nc-600); font-size: 0.8125rem; font-weight: 400; line-height: 1.5; }
.site-header nav .nav-feature { gap: 8px; color: var(--brand-ink); }
.site-header nav .nav-feature::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand-accent); }
.site-header nav .nav-login { margin-left: 6px; }
}
@layer layout {
@media (max-width: 760px) {
.nav-toggle { display: flex; }
.site-header nav a:last-child { border-bottom: 0; }
.site-header.nav-open nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); }
.site-header .nav-cta { gap: 13px; }
.footer-bottom { padding-block: 20px; }
html body .site-footer button { font-size: 14px; }
html body .footer-top button { font-size: 14px; }
.footer-top button { white-space: nowrap; }
}
}
@layer layout {
@media (max-width: 900px) {
.account-layout { grid-template-columns: 1fr; }
.account-settings { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.account-settings > :first-child { grid-column: 1 / -1; }
}
}
@layer layout {
@media (max-width: 760px) {
.site-header nav { position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; border: 1px solid var(--line); border-top: 0; padding: 4px 20px 16px; box-shadow: 0 12px 20px -14px #29282180; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-6px); transition: opacity var(--motion-duration-fast) var(--motion-ease-standard),
      transform var(--motion-duration-fast) var(--motion-ease-standard),
      visibility var(--motion-duration-fast) linear; z-index: 30; background: var(--paper); border-color: var(--line); }
.site-header nav a { border-bottom: 1px solid var(--line); }
.site-header nav a:not(.nav-cta)::after { bottom: 7px; }
.account-settings { grid-template-columns: 1fr; }
.account-settings > :first-child { grid-column: auto; }
.footer-top { flex-direction: column; align-items: flex-start; }
}
}
@layer layout {
@media (max-width: 480px) {
.member-subnav small { display: none; }
}
}
@layer layout {
@media (max-width: 900px) {
.site-header nav a { min-height: 52px; padding: 0 4px; border-radius: 0; border-bottom: 1px solid var(--nc-200); }
.site-header nav a[aria-current="page"] { box-shadow: none; color: var(--brand-ink); }
}
}
@layer layout {
@media (max-width: 600px) {
.wrap { width: calc(100% - 32px); }
.brand { font-size: 1rem; gap: 8px; }
.brand-mark { width: 32px; height: 32px; font-size: 1.125rem; line-height: 32px; }
.brand small { font-size: 0.875rem; }
.member-subnav { width: 100%; padding: 0 16px; }
}
}
@layer layout {
@media (prefers-reduced-motion: reduce) {
.nav-sub { transition: none; }
.nav-parent::after { transition: none; }
}
}
@layer layout {
@media (max-width: 900px) {
.nav-toggle { display: flex; }
/* スマホ幅：メニューボタンの隣に、ログイン・無料登録（ログイン中はマイページ）を常に出す。 */
.header-quick { display: flex; align-items: center; gap: 6px; margin-left: auto; font: 600 .8125rem/1 var(--font-sans); white-space: nowrap; }
.header-quick a { display: inline-flex; align-items: center; min-height: 44px; text-decoration: none; }
.header-quick-link { padding: 0 6px; color: var(--nc-900); }
.header-quick-link[aria-current="page"] { color: var(--brand-ink); }
.header-quick-cta { position: relative; padding: 0 10px; color: #fff; }
.header-quick-cta::before { content: ""; position: absolute; inset: 6px 0; z-index: -1; border-radius: var(--radius-sm); background: var(--brand-ink); }
.site-header:has(.header-quick) { gap: 6px; }
.site-header { min-height: 72px; position: sticky; }
.site-header nav { font-size: 1rem; position: absolute; top: 100%; left: 0; right: auto; z-index: 30; width: 100vw; margin-left: calc(50% - 50vw); flex-direction: column; align-items: stretch; gap: 0; max-height: calc(100dvh - 72px); overflow-y: auto; padding: 4px 20px 20px; border-bottom: 1px solid var(--nc-200); background: var(--nc-50); box-shadow: 0 16px 24px -18px rgba(34, 52, 79, .45); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-6px); transition: opacity 140ms, transform 140ms, visibility 0s linear 140ms; }
.site-header.nav-open nav { opacity: 1; visibility: visible; pointer-events: auto; transform: none; transition: opacity 140ms, transform 140ms, visibility 0s; }
.nav-item { padding: 12px 0 14px; border-bottom: 1px solid var(--nc-200); }
.nav-parent { min-height: 0; padding: 0 0 8px; color: var(--nc-600); font-size: 0.8125rem; letter-spacing: .06em; pointer-events: none; }
.nav-parent::after { display: none; }
.nav-item.is-current > .nav-parent { box-shadow: none; }
.nav-sub { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; min-width: 0; margin: 0; padding: 0; border: 0; background: transparent; box-shadow: none; opacity: 1; visibility: inherit; transform: none; }
.nav-item.is-open > .nav-sub { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; min-width: 0; margin: 0; padding: 0; border: 0; background: transparent; box-shadow: none; opacity: 1; visibility: inherit; transform: none; }
.nav-sub::before { display: none; }
.site-header nav .nav-sub a { min-height: 56px; padding: 8px 12px; border: 1px solid var(--nc-200); border-radius: var(--radius-sm); background: var(--nc-0); }
.nav-sub-desc { font-size: 0.75rem; }
}
}
@layer layout {
@media (max-width: 900px) {
@media (max-width: 520px) {
.nav-sub-desc { display: none; }
.site-header nav .nav-sub a { min-height: 48px; }
}
}
}
@layer layout {
@media (max-width: 900px) {
.site-header nav .nav-cta { justify-content: center; min-height: 48px; margin: 12px 0 0; padding: 0 16px; border: 0; border-radius: var(--radius-sm); }
.site-header nav .nav-feature { justify-content: center; min-height: 48px; margin: 12px 0 0; padding: 0 16px; border: 0; border-radius: var(--radius-sm); background: var(--brand-ink-soft); }
.site-header nav .nav-login { justify-content: center; min-height: 48px; margin: 12px 0 0; padding: 0 16px; border-radius: var(--radius-sm); border: 1px solid var(--nc-300); background: var(--nc-0); }
}
}
@layer layout {
@media (max-width: 360px) {
.nav-sub { grid-template-columns: 1fr; }
.nav-item.is-open > .nav-sub { grid-template-columns: 1fr; }
}
@media (max-width: 440px) {
.site-header:has(.header-quick) .brand { font-size: .875rem; gap: 6px; }
}
@media (max-width: 359px) {
.site-header:has(.header-quick) .brand { font-size: .8125rem; }
.header-quick-link:not([aria-current]) + .header-quick-cta { margin-left: 0; }
.header-quick .header-quick-link:has(+ .header-quick-cta) { display: none; }
}
}