/*
Theme Name: 藤桜会
Theme URI: https://634dai.com/
Description: 福岡県立武蔵台高等学校同窓会「藤桜会」用ブロックテーマ。旧サイト（静的HTML）からの移行用。画像のWebP自動変換・旧URLリダイレクト・初期データ取込機能付き。
Version: 1.0.0
Requires at least: 6.6
Requires PHP: 7.4
Text Domain: tououkai
License: GPL-2.0-or-later
*/

/* ---------- base ---------- */
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body { -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; font-feature-settings: "palt" 1; }
img, video { max-width: 100%; height: auto; }
:where(a) { text-underline-offset: .2em; }
:focus-visible { outline: 3px solid var(--wp--preset--color--sakura); outline-offset: 2px; }
.wp-site-blocks { padding-top: 0; }
.wp-site-blocks > * + * { margin-block-start: 0; }
.site-main { padding-bottom: var(--wp--preset--spacing--60); }
.site-main.is-front { padding-bottom: 0; }
.site-main > .wp-block-post-content > *:first-child,
.site-main.is-front > .wp-block-post-content { margin-block-start: 0; }

/* ---------- header ---------- */
.site-header-wrap { position: sticky; top: 0; z-index: 100; }
.admin-bar .site-header-wrap { top: var(--wp-admin--admin-bar--height, 32px); }
.site-header {
	background: rgba(19, 40, 90, .92);
	-webkit-backdrop-filter: saturate(160%) blur(10px);
	backdrop-filter: saturate(160%) blur(10px);
	color: #fff;
	padding: .7rem clamp(1rem, 4vw, 2rem);
	gap: 1rem;
	box-shadow: 0 1px 0 rgba(255,255,255,.08);
}
.site-header-wrap.is-overlay { position: fixed; left: 0; right: 0; }
.site-header-wrap.is-overlay .site-header { background: linear-gradient(180deg, rgba(11,26,61,.7), rgba(11,26,61,0)); box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; transition: background .3s; }
.site-header-wrap.is-overlay.is-scrolled .site-header { background: rgba(19, 40, 90, .92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.site-header__logo img { width: clamp(180px, 22vw, 250px); height: auto; }
.site-header__nav a { color: #fff; text-decoration: none; }
.site-header__nav .wp-block-navigation-item__content { padding: .4em .2em; position: relative; }
.site-header__nav .wp-block-navigation-item__content::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--wp--preset--color--sakura); transform: scaleX(0); transition: transform .25s; }
.site-header__nav .wp-block-navigation-item__content:hover::after,
.site-header__nav .current-menu-item > .wp-block-navigation-item__content::after { transform: scaleX(1); }
.site-header__nav .nav-cta > .wp-block-navigation-item__content { background: var(--wp--preset--color--fuji); border-radius: 999px; padding: .45em 1.2em; }
.site-header__nav .nav-cta > .wp-block-navigation-item__content::after { display: none; }
.wp-block-navigation__responsive-container.is-menu-open { background: var(--wp--preset--color--navy-deep) !important; color: #fff !important; }
.wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation__responsive-container-content { padding-top: 3rem; }
.wp-block-navigation__responsive-container.is-menu-open .wp-block-navigation-item { font-size: 1.15rem; }
.wp-block-navigation__responsive-container-open, .wp-block-navigation__responsive-container-close { color: #fff; }

/* ---------- common parts ---------- */
.eyebrow {
	color: var(--wp--preset--color--fuji);
	font-size: .8rem !important; font-weight: 700; letter-spacing: .25em; text-transform: uppercase;
	margin-bottom: .25rem !important;
	display: flex; align-items: center; gap: .6em;
}
.eyebrow::before { content: ""; width: 1.8em; height: 2px; background: currentColor; }
.has-text-align-center.eyebrow, .eyebrow.has-text-align-center { justify-content: center; }
.section { padding-block: var(--wp--preset--spacing--60); }
.section > h2 { margin-top: 0; }
.page-hero { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.page-hero h1 { margin: .25rem 0 0; }
.page-body { padding-top: var(--wp--preset--spacing--50); }
.page-body h2.wp-block-heading { border-left: 5px solid var(--wp--preset--color--fuji); padding-left: .8rem; margin-top: var(--wp--preset--spacing--50); }
.page-body h3.wp-block-heading { margin-top: 2.5rem; }
.lead { font-size: var(--wp--preset--font-size--large); }

/* chips (category) */
.chips { display: flex; flex-wrap: wrap; gap: .4rem; font-size: .78rem; }
.chips a { display: inline-block; padding: .15em .8em; border-radius: 999px; background: var(--wp--preset--color--fuji-light); color: var(--wp--preset--color--fuji); text-decoration: none; font-weight: 600; }
.chips .wp-block-post-terms__separator { display: none; }
.entry-meta { gap: .8rem; align-items: center; }
.entry-thumb img { border-radius: 16px; }
.entry-nav { margin-top: var(--wp--preset--spacing--50); padding-top: 1.5rem; border-top: 1px solid var(--wp--preset--color--border); font-size: .9rem; }

/* category filter */
.cat-filter { list-style: none; padding: 0; display: flex; flex-wrap: wrap; gap: .5rem; margin-top: var(--wp--preset--spacing--50) !important; }
.cat-filter li a { display: inline-block; padding: .35em 1.1em; border: 1px solid var(--wp--preset--color--border); border-radius: 999px; text-decoration: none; font-size: .9rem; background: #fff; }
.cat-filter li.current-cat a, .cat-filter li a:hover { background: var(--wp--preset--color--navy); color: #fff; border-color: var(--wp--preset--color--navy); }

/* cards */
.topics-grid { margin-top: var(--wp--preset--spacing--40); }
.card { background: #fff; border: 1px solid var(--wp--preset--color--border); border-radius: 16px; overflow: hidden; height: 100%; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(19,40,90,.12); }
.card > * { margin: 0 !important; }
.card__thumb img { transition: transform .5s; }
.card:hover .card__thumb img { transform: scale(1.04); }
.card__thumb { overflow: hidden; }
.card:not(:has(.card__thumb))::before {
	content: "藤桜会"; display: grid; place-items: center; aspect-ratio: 16 / 10;
	background: linear-gradient(135deg, var(--wp--preset--color--fuji) 0%, var(--wp--preset--color--navy) 100%);
	color: rgba(255,255,255,.85); font-family: var(--wp--preset--font-family--serif); font-size: 1.6rem; letter-spacing: .3em;
}
.card__body { padding: 1.1rem 1.25rem 1.4rem; display: flex; flex-direction: column; gap: .45rem; }
.card__body > * { margin: 0 !important; }
.card__title { font-size: 1.05rem !important; line-height: 1.6; }
.card__title a { text-decoration: none; color: var(--wp--preset--color--navy-deep); }
.card__title a:hover { color: var(--wp--preset--color--fuji); }

/* default thumbnail (aerial photo + text) */
.is-default-thumb { position: relative; margin: 0; overflow: hidden; }
.is-default-thumb a { display: block; height: 100%; }
.is-default-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(160deg, rgba(123,94,167,.45) 0%, rgba(11,26,61,.78) 100%); pointer-events: none; }
.default-thumb__text { position: absolute; inset: 0; z-index: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .35rem; color: #fff; font-family: var(--wp--preset--font-family--serif); font-size: clamp(1.5rem, 2.4vw, 1.9rem); letter-spacing: .3em; text-indent: .3em; text-shadow: 0 2px 10px rgba(0,0,0,.45); pointer-events: none; }
.default-thumb__text small { font-family: var(--wp--preset--font-family--sans); font-size: .68rem; letter-spacing: .12em; text-indent: 0; opacity: .9; }
.default-thumb__text::after { content: ""; width: 2.2em; height: 1px; background: rgba(255,255,255,.7); order: -1; margin-bottom: .2rem; }

/* meeting list */
.meeting-list .wp-block-post-template { list-style: none; padding: 0; display: grid; gap: .9rem; }
.meeting-item { background: #fff; border: 1px solid var(--wp--preset--color--border); border-left: 5px solid var(--wp--preset--color--fuji); border-radius: 12px; padding: 1.1rem 1.4rem; transition: box-shadow .25s, transform .25s; }
.meeting-item:hover { box-shadow: 0 10px 24px rgba(19,40,90,.1); transform: translateX(3px); }
.meeting-item > * { margin: 0 !important; }
.meeting-item .wp-block-post-title { font-size: 1.1rem; }
.meeting-item .wp-block-post-title a { text-decoration: none; }
.meeting-item .wp-block-post-excerpt__excerpt { margin: .2rem 0 0; color: var(--wp--preset--color--muted); font-size: .92rem; }

/* quick links */
.quick-links { gap: 1rem !important; }
.quick-links .wp-block-column { background: #fff; border-radius: 16px; padding: 1.5rem 1.4rem; box-shadow: 0 8px 28px rgba(19,40,90,.1); position: relative; transition: transform .25s; }
.quick-links .wp-block-column:hover { transform: translateY(-4px); }
.quick-links .wp-block-column > * { margin: 0; }
.quick-links h3 { font-size: 1.1rem !important; margin-bottom: .35rem !important; }
.quick-links h3 a { text-decoration: none; }
.quick-links h3 a::after { content: ""; position: absolute; inset: 0; }
.quick-links p { font-size: .88rem; color: var(--wp--preset--color--muted); }
.front-quick { margin-top: -4rem !important; position: relative; z-index: 2; }

/* hero */
.hero { color: #fff; }
.hero .wp-block-cover__inner-container { display: flex; flex-direction: column; align-items: center; gap: 1.5rem; }
.hero__catch img { width: clamp(46px, 6vw, 70px); height: auto; filter: drop-shadow(0 2px 12px rgba(0,0,0,.4)); border-radius: 0 !important; }
.hero__title { color: #fff !important; font-family: var(--wp--preset--font-family--serif); font-weight: 600 !important; letter-spacing: .12em; text-shadow: 0 2px 18px rgba(0,0,0,.45); }
.hero__note { font-size: .75rem; opacity: .8; letter-spacing: .15em; }
.hero__scroll { position: absolute; bottom: 5.5rem; left: 50%; transform: translateX(-50%); width: 1px; height: 56px; background: rgba(255,255,255,.6); overflow: hidden; }

/* greeting */
.greeting-photo { margin-bottom: 0 !important; }
.greeting-photo img { width: 200px !important; aspect-ratio: 1; object-fit: cover; object-position: center 25%; border-radius: 50%; box-shadow: 0 0 0 8px #fff, 0 0 0 9px var(--wp--preset--color--border), 0 12px 30px rgba(19,40,90,.15); }
.greeting-name { margin-top: 1.4rem !important; font-family: var(--wp--preset--font-family--serif); font-size: 1.3rem; font-weight: 600; letter-spacing: .15em; color: var(--wp--preset--color--navy-deep); line-height: 1.5; }
.greeting-role { display: inline-block; margin-bottom: .2rem; font-family: var(--wp--preset--font-family--sans); font-size: .78rem; font-weight: 600; letter-spacing: .08em; color: var(--wp--preset--color--fuji); }
.greeting-text p { text-indent: 1em; }
ruby rt { font-size: .45em; letter-spacing: 0; }

/* CTA band */
.cta-band { border-radius: 20px; padding: clamp(1.8rem, 4vw, 3rem) !important; background: linear-gradient(135deg, var(--wp--preset--color--fuji) 0%, var(--wp--preset--color--navy) 100%); color: #fff; }
.cta-band h2, .cta-band p { color: #fff; margin: 0; }
.cta-band .wp-block-button__link { background: #fff; color: var(--wp--preset--color--navy); }
.cta-band .wp-block-button__link:hover { background: var(--wp--preset--color--sakura); color: var(--wp--preset--color--navy-deep); }

/* tables */
.wp-block-table table { border-collapse: collapse; width: 100%; background: #fff; }
.wp-block-table td, .wp-block-table th { border: 0; border-bottom: 1px solid var(--wp--preset--color--border); padding: .8rem 1rem; vertical-align: top; }
.wp-block-table td:first-child { font-weight: 700; color: var(--wp--preset--color--navy); white-space: nowrap; width: 1%; }
.wp-block-table.is-style-stripes tbody tr:nth-child(odd) { background: var(--wp--preset--color--surface); }
.wp-block-table.is-style-stripes { border-bottom: 0; }
.history-table { max-height: 70vh; overflow: auto; border: 1px solid var(--wp--preset--color--border); border-radius: 12px; }
.history-table td:first-child { color: var(--wp--preset--color--fuji); }
@media (max-width: 600px) {
	.wp-block-table td:first-child { white-space: normal; width: 34%; }
	.wp-block-table td, .wp-block-table th { padding: .65rem .7rem; }
}
.anchor-nav { gap: .6rem !important; }

/* rules (会則) */
.rule-chapter { background: var(--wp--preset--color--surface); border-radius: 14px; padding: 1.5rem 1.6rem !important; }
.rule-chapter > h3 { margin-top: 0 !important; font-size: 1.15rem !important; }
.rule-chapter p { margin: .4rem 0; }

/* footer */
.site-footer { padding-block: var(--wp--preset--spacing--60) 1.5rem; }
.site-footer a { color: #fff; }
.site-footer__address { font-size: .92rem; opacity: .9; }
.site-footer__links { list-style: none; padding: 0; font-size: .88rem; }
.site-footer__links li::before { content: "→ "; opacity: .6; }
.site-footer .wp-block-button__link { background: var(--wp--preset--color--fuji); }
.site-footer__map iframe { width: 100%; aspect-ratio: 16 / 10; border: 0; border-radius: 16px; filter: grayscale(.2); }
.site-footer__copy { opacity: .6; margin-top: var(--wp--preset--spacing--50) !important; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,.12); }

/* back to top */
.to-top { position: fixed; right: 1rem; bottom: 1rem; width: 46px; height: 46px; border-radius: 50%; background: var(--wp--preset--color--navy); color: #fff; display: grid; place-items: center; text-decoration: none; box-shadow: 0 6px 18px rgba(0,0,0,.2); opacity: 0; pointer-events: none; transition: opacity .3s; z-index: 90; }
.to-top.is-visible { opacity: 1; pointer-events: auto; }

/* motion */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .7s ease, transform .7s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	html { scroll-behavior: auto; }
	.reveal { opacity: 1; transform: none; transition: none; }
	.card, .card__thumb img, .quick-links .wp-block-column, .meeting-item { transition: none; }
}

/* hero logo (h1) */
.hero__title { line-height: 1; margin: 0; }
.hero__title img { width: min(560px, 82vw) !important; height: auto; filter: drop-shadow(0 2px 14px rgba(0,0,0,.45)); }


/* ---------- form (Contact Form 7) ---------- */
.tk-form { display: grid; gap: 1.4rem; background: #fff; border: 1px solid var(--wp--preset--color--border); border-radius: 18px; padding: clamp(1.25rem, 4vw, 2.5rem); box-shadow: 0 10px 30px rgba(19,40,90,.06); }
.tk-form p { margin: 0; }
.tk-form label, .tk-form fieldset { display: grid; gap: .45rem; margin: 0; padding: 0; border: 0; min-width: 0; }
.tk-form legend, .tk-label { font-weight: 700; font-size: .95rem; color: var(--wp--preset--color--navy-deep); padding: 0; margin-bottom: .45rem; }
.tk-form fieldset legend { float: left; width: 100%; }
.tk-req, .tk-opt { display: inline-block; margin-left: .5em; padding: .05em .6em; border-radius: 4px; font-size: .7rem; font-weight: 700; vertical-align: .1em; letter-spacing: .05em; }
.tk-req { background: #c0392b; color: #fff; }
.tk-opt { background: var(--wp--preset--color--surface); color: var(--wp--preset--color--muted); }
.tk-help { font-size: .8rem; color: var(--wp--preset--color--muted); }
.tk-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; }
@media (max-width: 640px) { .tk-row { grid-template-columns: 1fr; } }
.tk-form input[type="text"], .tk-form input[type="email"], .tk-form input[type="tel"], .tk-form select, .tk-form textarea {
	width: 100%; box-sizing: border-box; font: inherit; font-size: 1rem; padding: .75em .9em; border: 1px solid #cfd4e0; border-radius: 10px; background: #fbfbfd; color: var(--wp--preset--color--contrast); transition: border-color .2s, box-shadow .2s, background .2s;
}
.tk-form textarea { min-height: 10em; resize: vertical; }
.tk-form input:focus, .tk-form select:focus, .tk-form textarea:focus { outline: none; border-color: var(--wp--preset--color--fuji); background: #fff; box-shadow: 0 0 0 4px rgba(123,94,167,.15); }
.tk-form .wpcf7-checkbox { display: flex; flex-wrap: wrap; gap: .6rem; }
.tk-form .wpcf7-list-item { margin: 0; }
.tk-form .wpcf7-list-item label { display: inline-flex; align-items: center; gap: .5em; padding: .55em 1.1em; border: 1px solid #cfd4e0; border-radius: 999px; cursor: pointer; background: #fbfbfd; font-weight: 600; font-size: .95rem; }
.tk-form .wpcf7-list-item label:has(input:checked) { border-color: var(--wp--preset--color--fuji); background: var(--wp--preset--color--fuji-light); color: var(--wp--preset--color--fuji); }
.tk-form input[type="checkbox"] { width: 1.1em; height: 1.1em; accent-color: var(--wp--preset--color--fuji); }
.tk-privacy { max-height: 14rem; overflow: auto; padding: 1rem 1.2rem; border-radius: 12px; background: var(--wp--preset--color--surface); font-size: .85rem; line-height: 1.8; }
.tk-privacy h3 { font-size: 1rem !important; margin: 0 0 .5rem !important; }
.tk-privacy p { margin: 0 0 .5rem !important; }
.tk-accept { text-align: center; }
.tk-accept .wpcf7-list-item label { border: 0; background: none; padding: 0; }
.tk-hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.tk-submit { text-align: center; }
.tk-form input[type="submit"], .tk-form button, .tk-form input[type="button"] {
	font: inherit; font-weight: 700; font-size: 1rem; padding: .95em 3em; border: 0; border-radius: 999px; background: var(--wp--preset--color--navy); color: #fff; cursor: pointer; transition: background .2s, transform .2s; margin: .25rem;
}
.tk-form input[type="submit"]:hover, .tk-form button:hover, .tk-form input[type="button"]:hover { background: var(--wp--preset--color--fuji); transform: translateY(-1px); }
.tk-form input[type="submit"]:disabled { background: #b8bdca; cursor: not-allowed; transform: none; }
.wpcf7-not-valid-tip { font-size: .82rem; color: #c0392b; margin-top: .25rem; }
.wpcf7 form .wpcf7-response-output { border-radius: 12px; padding: 1rem 1.2rem; margin: 1.5rem 0 0; }
.wpcf7-spinner { display: block; margin: .5rem auto 0; }

.tk-field { display: grid; gap: .45rem; align-content: start; min-width: 0; }
.tk-row { align-items: start; }
.tk-label.is-req::after, .tk-label.is-opt::after { display: inline-block; margin-left: .5em; padding: .05em .6em; border-radius: 4px; font-size: .7rem; font-weight: 700; vertical-align: .1em; letter-spacing: .05em; }
.tk-label.is-req::after { content: "必須"; background: #c0392b; color: #fff; }
.tk-label.is-opt::after { content: "任意"; background: var(--wp--preset--color--surface); color: var(--wp--preset--color--muted); }
/* 確認画面 */
.wpcf7cp-cfm-edit-btn, .wpcf7cp-cfm-submit-btn { margin: .25rem; }
.custom-wpcf7cp-confirm table, .wpcf7cp-confirm table, .wpcf7 table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; }
.wpcf7 table th, .wpcf7 table td { padding: .85rem 1rem; border-bottom: 1px solid var(--wp--preset--color--border); text-align: left; vertical-align: top; font-size: .95rem; }
.wpcf7 table th { width: 34%; color: var(--wp--preset--color--navy); background: var(--wp--preset--color--surface); font-weight: 700; }

/* buttons incl. confirm screen */
.wpcf7 input[type="submit"], .wpcf7 input[type="button"], .wpcf7 button { font: inherit; font-weight: 700; font-size: 1rem; padding: .95em 2.6em; border: 0; border-radius: 999px; background: var(--wp--preset--color--navy); color: #fff; cursor: pointer; transition: background .2s, transform .2s; margin: .3rem; }
.wpcf7 input[type="submit"]:hover, .wpcf7 input[type="button"]:hover, .wpcf7 button:hover { background: var(--wp--preset--color--fuji); transform: translateY(-1px); }
.wpcf7 input[type="button"] { background: #fff; color: var(--wp--preset--color--navy); box-shadow: inset 0 0 0 2px var(--wp--preset--color--navy); }
.wpcf7 input[type="button"]:hover { background: var(--wp--preset--color--fuji-light); color: var(--wp--preset--color--navy); }
.wpcf7 form > p:has(input[type="button"]), .wpcf7 .wpcf7cp-btns { text-align: center; margin-top: 1.5rem; }
.wpcf7 table { border: 1px solid var(--wp--preset--color--border); }

.wpcf7cp-btns { display: flex; justify-content: center; flex-wrap: wrap; gap: .5rem; margin-top: 1.5rem; }
button.wpcf7cp-cfm-edit-btn { background: #fff !important; color: var(--wp--preset--color--navy) !important; box-shadow: inset 0 0 0 2px var(--wp--preset--color--navy); }
button.wpcf7cp-cfm-edit-btn:hover { background: var(--wp--preset--color--fuji-light) !important; }
button.wpcf7cp-cfm-submit-btn { padding-inline: 3.2em !important; }

/* 終了した会の注記 */
.meeting-closed { margin-top: 1.5rem !important; padding: .9rem 1.2rem; border-radius: 12px; background: var(--wp--preset--color--surface); color: var(--wp--preset--color--muted); font-size: .92rem; }

/* hero full screen */
.hero { min-height: 100vh !important; min-height: 100svh !important; }

.jisshu-meta { margin-top: -.6rem !important; font-size: .88rem; color: var(--wp--preset--color--fuji); font-weight: 600; }