/* Himerou Theme Main Styles */

/* Base Styles */
html {
    scroll-behavior: smooth;
    /* 温和根字号缩放：桌面 16px，窄屏温和收缩到 13px，避免文字拥挤 */
    font-size: clamp(13px, 1vw + 5px, 16px);
}

body {
    font-family: "Noto Sans JP", メイリオ, Meiryo, sans-serif;
    color: #222;
}

/* Header Styles */
.hdr {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: background .4s ease, box-shadow .4s ease;
}

.hdr.is-top {
    background: transparent;
}

.hdr.is-top .hdr-inner a,
.hdr.is-top .hdr-inner span {
    color: rgba(255, 255, 255, .85) !important;
}

.hdr.is-top .hdr-inner a:hover {
    color: #fff !important;
}

.hdr.is-top .logo-img,
.hdr.is-top .custom-logo {
    filter: brightness(0) invert(1);
}

.hdr.is-top .hamburger__line {
    background: rgba(255, 255, 255, .9) !important;
}

.hdr.is-solid {
    background: rgba(255, 255, 255, .96) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: 0 1px 6px rgba(0, 0, 0, .06);
    border-bottom: 1px solid rgba(0, 0, 0, .04);
}

.hdr.is-solid .hdr-inner a,
.hdr.is-solid .hdr-inner span {
    color: #222 !important;
}

.hdr.is-solid .hdr-inner a:hover {
    color: #0F4C81 !important;
}

.hdr.is-solid .logo-img {
    filter: none;
}

.hdr.is-solid .hamburger__line {
    background: #222 !important;
}

.hdr-logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

/* Navigation */
.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: width .28s ease, left .28s ease;
}

.nav-link:hover::after,
.nav-link.is-active::after {
    width: 60%;
    left: 20%;
}

/* Dropdown */
.has-dropdown {
    position: relative;
}

.has-dropdown>.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    cursor: pointer;
}

.has-dropdown>.dropdown-trigger .dd-arrow {
    width: 0.625rem;
    height: 0.625rem;
    transition: transform .25s ease;
}

.has-dropdown.is-open>.dropdown-trigger .dd-arrow {
    transform: rotate(180deg);
}

.has-dropdown>.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    min-width: 13.75rem;
    background: #fff;
    border-radius: 0.75rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, .1);
    border: 1px solid rgba(0, 0, 0, .04);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease, visibility .25s;
    z-index: 60;
}

.has-dropdown.is-open>.dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.has-dropdown>.dropdown-menu::before {
    content: '';
    position: absolute;
    top: -6px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 12px;
    height: 12px;
    background: #fff;
    border: 1px solid rgba(0, 0, 0, .04);
    border-right: 0;
    border-bottom: 0;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.875rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: #444;
    transition: background .2s, color .2s;
    white-space: nowrap;
}

.dropdown-menu a:hover {
    background: #f3f4f6;
    color: #0F4C81;
}

.dropdown-menu a .dd-label {
    font-weight: 500;
}

.dropdown-menu a .dd-badge {
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    background: #e5e7eb;
    color: #9ca3af;
    font-weight: 500;
}

/* ===== 三級メニュー（ドロップダウン内の横フライアウト） ===== */
.dropdown-menu .has-dropdown {
    position: relative;
}

/* フライアウト内のトリガーを通常リンクと同じ見た目にする */
.dropdown-menu .has-dropdown>.dropdown-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    width: 100%;
    padding: 0.625rem 0.875rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    color: #444;
    white-space: nowrap;
    cursor: pointer;
    transition: background .2s, color .2s;
}

.dropdown-menu .has-dropdown>.dropdown-trigger:hover {
    background: #f3f4f6;
    color: #0F4C81;
}

.dropdown-menu .has-dropdown>.dropdown-trigger .dd-label {
    font-weight: 500;
}

.dropdown-menu .has-dropdown>.dropdown-trigger .dd-arrow {
    width: 0.625rem;
    height: 0.625rem;
    flex-shrink: 0;
}

/* フライアウトはトリガーに整列（トップレベルの下向き矢印は非表示） */
.dropdown-menu .dropdown-menu::before {
    display: none;
}

/* 左側ナビ：三級は右へ開く（デフォルト）。0.625rem にして二級メニュー右 padding との重なりを解消 */
.nav-left .dropdown-menu .has-dropdown>.dropdown-menu {
    top: 0;
    left: calc(100% + 0.625rem);
    right: auto;
    transform: translateX(-0.25rem);
    min-width: 12.5rem;
}

.nav-left .dropdown-menu .has-dropdown.is-open>.dropdown-menu {
    transform: translateX(0);
}

.nav-left .dropdown-menu .has-dropdown>.dropdown-trigger .dd-arrow {
    transform: rotate(-90deg);
}

/* 左側ナビ：画面右端からはみ出す場合は左へ反転させる（JS 境界検出で付与） */
.nav-left .dropdown-menu .has-dropdown.flyout-reverse>.dropdown-menu {
    left: auto;
    right: calc(100% + 0.625rem);
    transform: translateX(0.25rem);
}

.nav-left .dropdown-menu .has-dropdown.flyout-reverse.is-open>.dropdown-menu {
    transform: translateX(0);
}

.nav-left .dropdown-menu .has-dropdown.flyout-reverse>.dropdown-trigger .dd-arrow {
    transform: rotate(90deg);
}

/* 右側ナビ：三級は左へ開く（デフォルト） */
.nav-right .dropdown-menu .has-dropdown>.dropdown-menu {
    top: 0;
    right: calc(100% + 0.625rem);
    left: auto;
    transform: translateX(0.25rem);
    min-width: 12.5rem;
}

.nav-right .dropdown-menu .has-dropdown.is-open>.dropdown-menu {
    transform: translateX(0);
}

.nav-right .dropdown-menu .has-dropdown>.dropdown-trigger .dd-arrow {
    transform: rotate(90deg);
}

/* 右側ナビ：画面左端からはみ出す場合は右へ反転させる（JS 境界検出で付与） */
.nav-right .dropdown-menu .has-dropdown.flyout-reverse>.dropdown-menu {
    right: auto;
    left: calc(100% + 0.625rem);
    transform: translateX(-0.25rem);
}

.nav-right .dropdown-menu .has-dropdown.flyout-reverse.is-open>.dropdown-menu {
    transform: translateX(0);
}

.nav-right .dropdown-menu .has-dropdown.flyout-reverse>.dropdown-trigger .dd-arrow {
    transform: rotate(-90deg);
}

/* Drawer (Mobile Menu) */
.drawer-parent {
    overflow: hidden;
}

.drawer-parent .drawer-sub {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s cubic-bezier(.4, 0, .2, 1);
}

.drawer-parent.is-open>.drawer-sub {
    max-height: 62.5rem;
}

.drawer-parent .drawer-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    border-radius: 0.5rem;
    cursor: pointer;
    background: none;
    border: none;
    text-align: left;
    color: inherit;
}

/* ネストしたアコーディオンのインデント（3階層以降）。
   基底の .drawer-parent .drawer-toggle より後ろに置いて詳細度で勝たせる */
.drawer-sub .drawer-toggle {
    padding-left: 2rem;
}

.drawer-sub .drawer-sub .drawer-toggle,
.drawer-sub .drawer-sub a {
    padding-left: 3rem;
}

.drawer-sub .drawer-sub .drawer-sub .drawer-toggle,
.drawer-sub .drawer-sub .drawer-sub a {
    padding-left: 4rem;
}

.drawer-parent .drawer-toggle:hover {
    background: #f9fafb;
}

.drawer-parent .drawer-toggle .dd-arrow {
    width: 0.875rem;
    height: 0.875rem;
    transition: transform .3s ease;
}

.drawer-parent.is-open .drawer-toggle .dd-arrow {
    transform: rotate(180deg);
}

.drawer-sub a {
    display: block;
    padding: 0.625rem 1rem 0.625rem 2rem;
    font-size: 0.875rem;
    color: #666;
    border-radius: 0.5rem;
    transition: background .2s, color .2s;
}

.drawer-sub a:hover {
    background: #f3f4f6;
    color: #0F4C81;
}

/* Hamburger Menu */
.hamburger {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    position: relative;
    width: 2.75rem;
    height: 2.75rem;
}

.hamburger__line {
    display: block;
    position: absolute;
    left: 50%;
    width: 1.25rem;
    height: 1.5px;
    background: #222;
    border-radius: 2px;
    transition: all .3s cubic-bezier(.4, 0, .2, 1);
    transform: translateX(-50%);
}

.hamburger__line:nth-child(1) {
    top: calc(50% - 6px);
}

.hamburger__line:nth-child(2) {
    top: 50%;
}

.hamburger__line:nth-child(3) {
    top: calc(50% + 6px);
}

.hamburger.is-open .hamburger__line:nth-child(1) {
    top: 50%;
    transform: translateX(-50%) rotate(45deg);
}

.hamburger.is-open .hamburger__line:nth-child(2) {
    opacity: 0;
    transform: translateX(-50%) scaleX(0);
}

.hamburger.is-open .hamburger__line:nth-child(3) {
    top: 50%;
    transform: translateX(-50%) rotate(-45deg);
}

#drawer {
    will-change: transform;
    transform: translateX(100%);
    transition: transform .4s cubic-bezier(.22, 1, .36, 1);
}

#drawer::-webkit-scrollbar {
    width: 0;
}

#drawerOverlay {
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s;
}

/* Card Lift Effect */
.lift {
    transition: transform .35s cubic-bezier(.4, 0, .2, 1), box-shadow .35s;
}

.lift:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, .08);
}

/* Tooltip Badge */
.tip-badge {
    position: relative;
    display: inline-flex;
    cursor: help;
}

.tip-badge .tip-text {
    position: absolute;
    bottom: calc(100% + 0.625rem);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #1f2937;
    color: #fff;
    font-size: 1rem;
    line-height: 1.5;
    padding: 0.5rem 0.875rem;
    border-radius: 0.5rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s, transform .25s;
    z-index: 50;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
}

.tip-badge .tip-text::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
}

.tip-badge:hover .tip-text {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Lightbox */
#lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, .9);
    z-index: 1300;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

/* Form Error */
.field-error {
    color: #ef4444;
    font-size: 1rem;
    margin-top: 4px;
    display: none;
}

/* Timeline */
.timeline {
    position: relative;
    padding-left: 2rem;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 11px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #0F4C81, #87C0E8);
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -2rem;
    top: 4px;
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    background: #0F4C81;
    border: 4px solid #e0e7ff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timeline-dot::after {
    content: '';
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    background: #0F4C81;
}

.timeline-year {
    font-size: 1rem;
    font-weight: 700;
    color: #0F4C81;
    margin-bottom: 6px;
}

/* FAQ */
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s cubic-bezier(.4, 0, .2, 1), padding .35s ease;
}

.faq-item.is-open .faq-answer {
    max-height: 31.25rem;
}

.faq-item .faq-toggle .dd-arrow {
    transition: transform .3s ease;
}

.faq-item.is-open .faq-toggle .dd-arrow {
    transform: rotate(180deg);
}

/* Custom Logo */
.custom-logo {
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.5rem;
    object-fit: cover;
}

/* Entry Body (single post content typography) */
.entry-body {
    font-size: 1rem;
    line-height: 2;
    color: #374151;
}

.entry-body h2 {
    font-size: 1.625rem;
    font-weight: 700;
    color: #111827;
    margin: 3rem 0 1.25rem;
    padding-left: 0.875rem;
    border-left: 4px solid #0F4C81;
}

.entry-body h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin: 2.25rem 0 1rem;
}

.entry-body p {
    margin: 0 0 1.25rem;
}

.entry-body ul,
.entry-body ol {
    margin: 0 0 1.25rem;
    padding-left: 1.75rem;
}

.entry-body ul {
    list-style: disc;
}

.entry-body ol {
    list-style: decimal;
}

.entry-body li {
    margin-bottom: 0.5rem;
}

.entry-body img {
    max-width: 100%;
    height: auto;
    border-radius: 0.75rem;
    margin: 1.5rem 0;
}

.entry-body blockquote {
    border-left: 4px solid #87C0E8;
    background: #f9fafb;
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    border-radius: 0 0.5rem 0.5rem 0;
    color: #4b5563;
}

.entry-body a {
    color: #0F4C81;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.entry-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.9375rem;
}

.entry-body table th,
.entry-body table td {
    border: 1px solid #e5e7eb;
    padding: 0.625rem 0.875rem;
    text-align: left;
}

.entry-body table th {
    background: #f3f4f6;
    font-weight: 700;
}