.site-header { position: sticky; z-index: 20; top: 0; border-bottom: 1px solid rgb(194 211 205 / 82%); background: rgb(255 255 255 / 88%); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
.site-header__inner { position: relative; min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); }
.site-logo { display: inline-flex; align-items: center; gap: 8px; color: var(--color-text); font-weight: 800; font-size: 21px; text-decoration: none; letter-spacing: 0; }
.site-logo__mark { width: 28px; height: 28px; flex: 0 0 28px; border: 0; border-radius: 6px; background-color: transparent; background-image: url("../images/logo.png"); background-position: center; background-size: contain; background-repeat: no-repeat; }
.site-nav { display: flex; align-items: center; gap: var(--space-5); font-size: 14px; }
.site-nav a { color: var(--color-text); text-decoration: none; }
.site-nav a:hover { color: var(--color-brand); }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); padding: 10px; }
.menu-button span { display: block; height: 2px; margin: 4px 0; background: var(--color-text); }
.breadcrumb { padding-block: var(--space-4); font-size: var(--font-size-small); color: var(--color-muted); }
.breadcrumb ol { display: flex; gap: var(--space-2); margin: 0; padding: 0; list-style: none; flex-wrap: wrap; }
.breadcrumb li + li::before { content: "/"; padding-right: var(--space-2); color: var(--color-muted); }
.button { min-height: var(--control-height); padding: 0 20px; border-radius: var(--radius-sm); font-weight: 700; border: 1px solid transparent; transition: background-color 120ms ease, border-color 120ms ease; }
.button--primary { background: var(--color-brand); color: #fff; text-decoration: none; }
.button--primary:hover { background: var(--color-brand-strong); }
.button--secondary { background: var(--color-surface); border-color: var(--color-border); color: var(--color-text); }
.button--secondary:hover { border-color: var(--color-brand); color: var(--color-brand); }
.button:disabled { background: var(--color-disabled-surface); border-color: var(--color-disabled-surface); color: var(--color-disabled-text); cursor: not-allowed; }
.section-label { margin-bottom: var(--space-2); color: var(--color-brand); font-size: 13px; font-weight: 700; letter-spacing: .04em; }
.content-section { padding-block: var(--space-6); }
.content-section h2 { margin-bottom: var(--space-3); }
.site-footer { margin-top: var(--space-8); padding-top: var(--space-7); border-top: 1px solid var(--color-border); background: #eef2ef; }
.site-footer__grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); align-items: start; gap: var(--space-7); padding-bottom: var(--space-6); }
.site-footer__brand { max-width: 280px; }
.site-logo--footer { display: inline-flex; margin-bottom: var(--space-2); }
.site-footer p { color: var(--color-muted); font-size: var(--font-size-small); }
.site-footer__nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); }
.site-footer__heading { margin: 0 0 var(--space-2); color: var(--color-text); font-size: var(--font-size-small); font-weight: 700; }
.site-footer__group ul { display: grid; gap: var(--space-2); margin: 0; padding: 0; list-style: none; font-size: var(--font-size-small); }
.site-footer__group a { color: var(--color-text); text-decoration: none; }
.site-footer__group a:hover { color: var(--color-brand); text-decoration: underline; text-underline-offset: 3px; }
.site-footer__placeholder { color: var(--color-muted); }
.site-footer__bottom { display: flex; justify-content: space-between; gap: var(--space-4); border-top: 1px solid var(--color-border); padding-block: var(--space-3); color: var(--color-muted); font-size: 12px; }
.back-to-top { position: fixed; z-index: 100; right: 24px; bottom: 24px; display: grid; width: 44px; height: 44px; place-items: center; border: 1px solid #cbdad5; border-radius: 12px; background: #fff; color: #16735f; opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(8px); transition: opacity 160ms ease, transform 160ms ease, visibility 0s linear 160ms; }
.back-to-top svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.back-to-top.is-visible, .back-to-top:focus-visible { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; }
.back-to-top:hover { background: #f4faf8; color: var(--color-brand-strong); }
.home-placeholder { padding: var(--space-8) 0; max-width: 760px; }
.home-placeholder p { color: var(--color-muted); margin-bottom: var(--space-5); }
.home-hero { padding: clamp(48px, 8vw, 88px) 0 clamp(40px, 7vw, 72px); border-bottom: 1px solid var(--color-border); background: #f5f9f7; }
.home-hero__copy { max-width: 760px; }
.home-hero h1 { max-width: 680px; margin: 0; font-size: clamp(32px, 5vw, 48px); line-height: 1.25; }
.home-hero__copy > p { max-width: 700px; margin: var(--space-4) 0 0; color: var(--color-muted); font-size: 17px; }
.home-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-4); margin-top: var(--space-5); align-items: center; }
.home-hero__actions .button { display: inline-flex; align-items: center; justify-content: center; }
.home-hero__guide-link, .home-tools__all a, .home-guides__all a, .home-about a { color: var(--color-brand-strong); font-weight: 700; }
.home-section { padding: clamp(40px, 7vw, 72px) 0; }
.home-section__header { max-width: 640px; margin-bottom: var(--space-5); }
.home-section__header h2, .home-about__inner h2 { margin: 0; }
.home-section__header > p:last-child { margin: var(--space-2) 0 0; color: var(--color-muted); }
.home-tools__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.home-tool-card { display: grid; min-height: 138px; padding: var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); color: var(--color-text); text-decoration: none; transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease; }
.home-tool-card:hover { border-color: #9dc3b5; box-shadow: 0 8px 20px rgb(25 43 39 / 7%); transform: translateY(-2px); }
.home-tool-card__title { font-weight: 700; }
.home-tool-card__summary { margin-top: var(--space-2); color: var(--color-muted); font-size: var(--font-size-small); line-height: 1.6; }
.home-tool-card__arrow { align-self: end; margin-top: var(--space-3); color: var(--color-brand); font-weight: 700; }
.home-tools__all, .home-guides__all { margin: var(--space-5) 0 0; }
.home-about { border-block: 1px solid var(--color-border); background: #f7faf8; }
.home-about__inner { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.35fr); gap: var(--space-7); }
.home-about__content { max-width: 650px; }
.home-about__content p { margin: 0; color: var(--color-muted); }
.home-about__content p + p { margin-top: var(--space-3); }
.home-about__content p:last-child { margin-top: var(--space-4); }
.home-trust__list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-5); margin: 0; padding: 0; list-style: none; }
.home-trust__list li { padding-left: var(--space-4); border-left: 3px solid #b7d7c9; }
.home-trust__list h3 { margin: 0; font-size: 18px; }
.home-trust__list p { margin: var(--space-2) 0 0; color: var(--color-muted); font-size: var(--font-size-small); }
.home-trust { padding-bottom: 35px; }
.home-guides { padding-top: 35px; padding-bottom: 70px; background: #f7faf8; }
.home-guides__list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--color-border); }
.home-guides__list li { border-bottom: 1px solid var(--color-border); }
.home-guides__list a { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr) auto; gap: var(--space-4); padding: var(--space-4) 0; color: var(--color-text); text-decoration: none; align-items: baseline; }
.home-guides__list a::after { content: "→"; color: var(--color-brand); font-weight: 700; }
.home-guides__list span { font-weight: 700; }
.home-guides__list small { color: var(--color-muted); font-size: var(--font-size-small); }
body:has(.home-guides) .site-footer { margin-top: 0; }
@media (max-width: 767px) { .back-to-top { right: 16px; bottom: 16px; width: 42px; height: 42px; border-radius: 11px; } }
@media (max-width: 640px) { .site-nav { position: absolute; z-index: 2; top: 54px; right: 0; left: auto; display: flex; width: min(220px, calc(100vw - 32px)); flex-direction: column; align-items: stretch; gap: var(--space-1); padding: 18px var(--space-3) var(--space-3); border: 1px solid var(--color-border); border-radius: 0 0 var(--radius-md) var(--radius-md); background: rgb(255 255 255 / 96%); box-shadow: var(--shadow-card); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-6px); transition: opacity 180ms ease, transform 180ms ease, visibility 0s linear 180ms; } .site-header.is-menu-open .site-nav { opacity: 1; visibility: visible; pointer-events: auto; transform: translateY(0); transition-delay: 0s; } .site-header.is-menu-open .site-nav a { width: 100%; padding: 9px var(--space-2); } .menu-button { position: relative; z-index: 3; display: block; } .site-footer__grid { grid-template-columns: 1fr; gap: var(--space-5); } .site-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); } .site-footer__group ul { gap: var(--space-1); } .site-footer__bottom { flex-direction: column; align-items: flex-start; gap: var(--space-1); } }
@media (max-width: 700px) { .home-tools__list { grid-template-columns: 1fr; gap: var(--space-2); } .home-tool-card { min-height: 96px; padding: var(--space-3); } .home-about__inner, .home-trust__list { grid-template-columns: 1fr; gap: var(--space-5); } .home-guides__list a { grid-template-columns: minmax(0, 1fr) auto; gap: var(--space-2); } .home-guides__list small { grid-column: 1; } }
@media (prefers-reduced-motion: reduce) { .back-to-top { transition: none; } }