/* ==========================================================================
   Iryokei Pro - Main Stylesheet
   医師転職アフィリエイトサイト用 高速・高収益テーマ
   ========================================================================== */

/* Reset & Base
   ------------------------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
	margin: 0;
	font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
	font-size: 16px;
	line-height: 1.85;
	color: var(--ir-text);
	background: var(--ir-bg);
	-webkit-font-smoothing: antialiased;
	-moz-osx-font-smoothing: grayscale;
}
img, picture, video, canvas, svg { display: block; max-width: 100%; height: auto; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: transparent; padding: 0; }
a { color: var(--ir-primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
a:hover { color: var(--ir-secondary); }
h1, h2, h3, h4, h5, h6 {
	font-family: "Zen Maru Gothic", "Noto Sans JP", sans-serif;
	color: var(--ir-heading);
	line-height: 1.45;
	font-weight: 700;
	margin: 0 0 .8em;
	letter-spacing: .01em;
}
p { margin: 0 0 1.2em; }
ul, ol { padding-left: 1.4em; }

/* Container
   ------------------------------------------------------------------------ */
.ir-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.ir-wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; }
@media (max-width: 900px) {
	.ir-wrap { grid-template-columns: 1fr; gap: 32px; padding: 0 16px; }
}

/* Header
   ------------------------------------------------------------------------ */
.ir-header {
	background: #fff;
	border-bottom: 1px solid var(--ir-border);
	position: sticky; top: 0; z-index: 100;
	box-shadow: 0 1px 0 rgba(0,0,0,.02), 0 4px 20px rgba(13,34,53,.04);
}
.ir-header__inner {
	max-width: 1200px; margin: 0 auto; padding: 14px 20px;
	display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.ir-logo { font-family: "Zen Maru Gothic", sans-serif; font-weight: 900; font-size: 24px; color: var(--ir-heading); display: inline-flex; align-items: center; gap: 10px; }
.ir-logo__mark {
	width: 36px; height: 36px; border-radius: 10px;
	background: linear-gradient(135deg, var(--ir-primary) 0%, #1a8fd9 100%);
	display: inline-flex; align-items: center; justify-content: center;
	color: #fff; font-size: 18px; font-weight: 900;
	box-shadow: 0 4px 14px rgba(10,108,185,.3);
}
.ir-logo a { color: inherit; }

.ir-nav__list { list-style: none; padding: 0; margin: 0; display: flex; gap: 28px; }
.ir-nav__list a {
	color: var(--ir-heading); font-weight: 700; font-size: 15px; position: relative; padding: 8px 0;
}
.ir-nav__list a::after {
	content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px;
	background: var(--ir-primary); transform: scaleX(0); transform-origin: right;
	transition: transform .3s ease;
}
.ir-nav__list a:hover::after { transform: scaleX(1); transform-origin: left; }

.ir-burger { display: none; width: 40px; height: 40px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.ir-burger span { display: block; width: 22px; height: 2px; background: var(--ir-heading); border-radius: 2px; transition: .3s; }
@media (max-width: 768px) {
	.ir-nav { display: none; }
	.ir-nav.is-open { display: block; position: absolute; top: 100%; left: 0; right: 0; background: #fff; padding: 16px 20px; border-top: 1px solid var(--ir-border); box-shadow: 0 8px 20px rgba(0,0,0,.08); }
	.ir-nav.is-open .ir-nav__list { flex-direction: column; gap: 0; }
	.ir-nav.is-open .ir-nav__list li { border-bottom: 1px solid var(--ir-border); }
	.ir-nav.is-open .ir-nav__list a { display: block; padding: 14px 0; }
	.ir-burger { display: flex; }
}

/* Hero (front page)
   ------------------------------------------------------------------------ */
.ir-hero {
	position: relative;
	background:
		radial-gradient(circle at 15% 20%, rgba(10,108,185,.12), transparent 50%),
		radial-gradient(circle at 85% 80%, rgba(232,93,117,.08), transparent 50%),
		linear-gradient(180deg, #f5f9fd 0%, #fafbfc 100%);
	padding: 64px 0 56px;
	overflow: hidden;
}
.ir-hero::before {
	content: ""; position: absolute; inset: 0;
	background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M20 20L0 0h40v40z' fill='%230a6cb9' fill-opacity='.025'/%3E%3C/svg%3E");
	opacity: .8; pointer-events: none;
}
.ir-hero__inner { position: relative; max-width: 1200px; margin: 0 auto; padding: 0 20px; text-align: center; }
.ir-hero__badge {
	display: inline-flex; align-items: center; gap: 8px;
	background: #fff; padding: 8px 18px; border-radius: 999px;
	font-size: 13px; font-weight: 700; color: var(--ir-primary);
	box-shadow: 0 4px 12px rgba(10,108,185,.12);
	margin-bottom: 22px;
}
.ir-hero__badge::before { content: "★"; color: var(--ir-accent); font-size: 16px; }
.ir-hero__title {
	font-size: clamp(28px, 5vw, 46px); line-height: 1.3; margin-bottom: 20px;
	font-weight: 900; letter-spacing: -0.01em;
}
.ir-hero__title strong { color: var(--ir-primary); position: relative; }
.ir-hero__title strong::after {
	content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 8px;
	background: var(--ir-accent); opacity: .35; z-index: -1;
}
.ir-hero__lead { font-size: 17px; max-width: 720px; margin: 0 auto 32px; color: #4a5868; }
.ir-hero__cta { display: inline-flex; gap: 14px; flex-wrap: wrap; justify-content: center; }

/* Buttons
   ------------------------------------------------------------------------ */
.ir-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	padding: 14px 30px; border-radius: 10px; font-weight: 700; font-size: 15px;
	transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
	white-space: nowrap; line-height: 1;
}
.ir-btn--primary { background: var(--ir-cta); color: var(--ir-cta-text); box-shadow: 0 6px 20px rgba(255,107,53,.32); }
.ir-btn--primary:hover { background: var(--ir-cta); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255,107,53,.42); }
.ir-btn--secondary { background: #fff; color: var(--ir-primary); border: 2px solid var(--ir-primary); }
.ir-btn--secondary:hover { background: var(--ir-primary); color: #fff; transform: translateY(-2px); }
.ir-btn--block { display: flex; width: 100%; padding: 16px 24px; font-size: 16px; }

/* Breadcrumb
   ------------------------------------------------------------------------ */
.ir-breadcrumb { font-size: 13px; padding: 14px 0; color: #6a7787; }
.ir-breadcrumb ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 6px; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.ir-breadcrumb li { display: inline-flex; align-items: center; }
.ir-breadcrumb li + li::before { content: "›"; margin: 0 8px; color: #b0bac5; }
.ir-breadcrumb a { color: #4a5868; }
.ir-breadcrumb a:hover { color: var(--ir-primary); }

/* Main Layout
   ------------------------------------------------------------------------ */
.ir-main { padding: 32px 0 60px; }
.ir-content { min-width: 0; }

/* Page Title
   ------------------------------------------------------------------------ */
.ir-page-title {
	margin-bottom: 28px; padding-bottom: 16px;
	border-bottom: 3px solid var(--ir-primary);
	position: relative;
}
.ir-page-title h1 { font-size: clamp(22px, 3vw, 30px); margin: 0; }
.ir-page-title__lead { color: #5a6878; margin-top: 8px; font-size: 14px; }

/* Ranking section
   ------------------------------------------------------------------------ */
.ir-ranking { margin-bottom: 48px; }
.ir-ranking__head { text-align: center; margin-bottom: 32px; }
.ir-ranking__title {
	font-size: clamp(22px, 3vw, 28px); display: inline-block; position: relative; padding: 0 40px;
}
.ir-ranking__title::before, .ir-ranking__title::after {
	content: ""; position: absolute; top: 50%; width: 28px; height: 2px; background: var(--ir-primary);
}
.ir-ranking__title::before { left: 0; }
.ir-ranking__title::after { right: 0; }

.ir-rank-card {
	background: #fff; border: 1px solid var(--ir-border); border-radius: 16px; overflow: hidden;
	margin-bottom: 22px; transition: transform .25s ease, box-shadow .25s ease;
	position: relative;
}
.ir-rank-card:hover { transform: translateY(-3px); box-shadow: 0 14px 36px rgba(13,34,53,.1); }
.ir-rank-card__crown {
	position: absolute; top: 0; left: 20px; z-index: 2;
	background: linear-gradient(135deg, #f5b500 0%, #ff9c00 100%);
	color: #fff; padding: 6px 18px 8px; border-radius: 0 0 8px 8px;
	font-weight: 900; font-size: 14px; letter-spacing: .04em;
	box-shadow: 0 4px 10px rgba(245,181,0,.4);
}
.ir-rank-card--1st .ir-rank-card__crown { background: linear-gradient(135deg, #f5b500 0%, #ffce00 100%); }
.ir-rank-card--2nd .ir-rank-card__crown { background: linear-gradient(135deg, #9aa3ad 0%, #c0c8d2 100%); }
.ir-rank-card--3rd .ir-rank-card__crown { background: linear-gradient(135deg, #b87333 0%, #cd8d4f 100%); }

.ir-rank-card__inner { display: grid; grid-template-columns: 280px 1fr; gap: 24px; padding: 28px 24px 24px; align-items: center; }
@media (max-width: 600px) { .ir-rank-card__inner { grid-template-columns: 1fr; padding-top: 36px; } }
.ir-rank-card__img img { width: 100%; height: auto; border-radius: 10px; }
.ir-rank-card__name { font-size: 20px; font-weight: 900; margin-bottom: 10px; }
.ir-rank-card__stars { color: var(--ir-accent); font-size: 18px; letter-spacing: 2px; margin-bottom: 8px; }
.ir-rank-card__desc { font-size: 14px; color: #4a5868; margin-bottom: 14px; }
.ir-rank-card__features { list-style: none; padding: 0; margin: 0 0 16px; display: grid; gap: 6px; }
.ir-rank-card__features li { padding-left: 22px; position: relative; font-size: 14px; }
.ir-rank-card__features li::before {
	content: "✓"; position: absolute; left: 0; top: 0;
	width: 16px; height: 16px; background: var(--ir-primary); color: #fff;
	border-radius: 50%; font-size: 11px; font-weight: 900;
	display: flex; align-items: center; justify-content: center;
	line-height: 1; top: 5px;
}
.ir-rank-card__cta { display: flex; gap: 10px; flex-wrap: wrap; }

/* Card grid
   ------------------------------------------------------------------------ */
.ir-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
.ir-card {
	background: #fff; border: 1px solid var(--ir-border); border-radius: 12px; overflow: hidden;
	transition: transform .25s ease, box-shadow .25s ease;
	display: flex; flex-direction: column;
}
.ir-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(13,34,53,.12); }
.ir-card__img { aspect-ratio: 16/9; overflow: hidden; }
.ir-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.ir-card:hover .ir-card__img img { transform: scale(1.06); }
.ir-card__body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
.ir-card__cat {
	display: inline-block; font-size: 11px; font-weight: 700;
	background: rgba(10,108,185,.08); color: var(--ir-primary);
	padding: 4px 10px; border-radius: 4px; margin-bottom: 10px; letter-spacing: .04em;
}
.ir-card__title { font-size: 16px; line-height: 1.55; margin: 0 0 10px; }
.ir-card__title a { color: var(--ir-heading); }
.ir-card__title a:hover { color: var(--ir-primary); }
.ir-card__meta { font-size: 12px; color: #8a96a3; margin-top: auto; }

/* Sidebar
   ------------------------------------------------------------------------ */
.ir-sidebar { display: flex; flex-direction: column; gap: 28px; }
.ir-widget {
	background: #fff; border: 1px solid var(--ir-border); border-radius: 12px; padding: 22px;
}
.ir-widget__title, .widget-title {
	font-size: 16px; margin: 0 0 16px; padding-bottom: 12px;
	border-bottom: 2px solid var(--ir-primary); position: relative; display: inline-block; min-width: 60%;
}
.ir-popular { list-style: none; padding: 0; margin: 0; counter-reset: pop; }
.ir-popular li { counter-increment: pop; display: grid; grid-template-columns: 32px 80px 1fr; gap: 12px; padding: 12px 0; border-bottom: 1px dashed var(--ir-border); align-items: center; }
.ir-popular li:last-child { border-bottom: none; }
.ir-popular li::before {
	content: counter(pop); display: flex; align-items: center; justify-content: center;
	width: 28px; height: 28px; border-radius: 50%; background: #e0e8f0; color: #4a5868;
	font-weight: 900; font-size: 13px; font-family: "Zen Maru Gothic", sans-serif;
}
.ir-popular li:nth-child(1)::before { background: var(--ir-accent); color: #fff; }
.ir-popular li:nth-child(2)::before { background: #c0c8d2; color: #fff; }
.ir-popular li:nth-child(3)::before { background: #b87333; color: #fff; }
.ir-popular img { width: 80px; height: 80px; object-fit: cover; border-radius: 6px; }
.ir-popular a { color: var(--ir-heading); font-size: 13px; line-height: 1.5; font-weight: 500; }
.ir-popular a:hover { color: var(--ir-primary); }

/* Single post content
   ------------------------------------------------------------------------ */
.ir-article {
	background: #fff; border-radius: 14px; padding: 36px 40px; border: 1px solid var(--ir-border);
}
@media (max-width: 600px) { .ir-article { padding: 24px 18px; } }
.ir-article__title {
	font-size: clamp(22px, 3.4vw, 32px); line-height: 1.4; margin-bottom: 18px;
}
.ir-article__meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px; color: #6a7787; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--ir-border); }
.ir-article__thumb { margin: 0 -8px 28px; }
.ir-article__thumb img { width: 100%; border-radius: 10px; }
.ir-article__body { font-size: 16px; line-height: 1.95; }
.ir-article__body h2 {
	font-size: 24px; margin-top: 50px; margin-bottom: 22px;
	padding: 16px 22px 16px 22px; background: linear-gradient(180deg, #f5f9fd 0%, #eaf2f9 100%);
	border-left: 6px solid var(--ir-primary); border-radius: 0 8px 8px 0;
	position: relative;
}
.ir-article__body h3 {
	font-size: 20px; margin-top: 36px; margin-bottom: 16px;
	padding-bottom: 10px; border-bottom: 2px solid var(--ir-primary); position: relative;
}
.ir-article__body h3::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 40px; height: 2px; background: var(--ir-secondary); }
.ir-article__body h4 { font-size: 18px; margin-top: 28px; padding-left: 14px; border-left: 4px solid var(--ir-primary); }
.ir-article__body img { border-radius: 8px; margin: 24px 0; }
.ir-article__body blockquote {
	background: #f5f9fd; border-left: 4px solid var(--ir-primary);
	padding: 18px 24px; margin: 24px 0; border-radius: 0 8px 8px 0; color: #3a4858;
}
.ir-article__body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.ir-article__body th { background: var(--ir-primary); color: #fff; padding: 12px; text-align: left; }
.ir-article__body td { padding: 12px; border: 1px solid var(--ir-border); }
.ir-article__body tr:nth-child(even) td { background: #fafbfc; }
.ir-article__body ul li, .ir-article__body ol li { margin-bottom: 8px; }
.ir-article__body code { background: #f1f4f8; padding: 2px 6px; border-radius: 4px; font-size: 13px; }
.ir-article__body a { text-decoration: underline; text-underline-offset: 3px; }

/* TOC (Table of Contents)
   ------------------------------------------------------------------------ */
.ir-toc {
	background: #f8fafc; border: 1px solid var(--ir-border); border-radius: 10px;
	padding: 22px 24px; margin: 28px 0 36px;
}
.ir-toc__title { font-size: 15px; margin-bottom: 12px; color: var(--ir-heading); display: flex; align-items: center; gap: 8px; }
.ir-toc__title::before { content: "📑"; }
.ir-toc ol { padding-left: 1.4em; margin: 0; }
.ir-toc li { font-size: 14px; padding: 4px 0; }
.ir-toc a { color: var(--ir-heading); }
.ir-toc a:hover { color: var(--ir-primary); }

/* CTA Boxes (in article)
   ------------------------------------------------------------------------ */
.ir-cta-box {
	background: linear-gradient(135deg, #f5f9fd 0%, #fff 100%);
	border: 2px solid var(--ir-primary); border-radius: 14px;
	padding: 28px 30px; margin: 32px 0; position: relative;
}
.ir-cta-box::before {
	content: "おすすめ"; position: absolute; top: -14px; left: 24px;
	background: var(--ir-primary); color: #fff; padding: 4px 16px;
	border-radius: 20px; font-size: 12px; font-weight: 700;
}
.ir-cta-box__title { font-size: 18px; margin: 0 0 10px; }
.ir-cta-box__desc { margin: 0 0 16px; font-size: 14px; color: #4a5868; }

/* Pagination
   ------------------------------------------------------------------------ */
.ir-pagination { margin: 40px 0 0; display: flex; justify-content: center; gap: 6px; flex-wrap: wrap; }
.ir-pagination .page-numbers {
	display: inline-flex; align-items: center; justify-content: center;
	min-width: 40px; height: 40px; padding: 0 10px;
	background: #fff; border: 1px solid var(--ir-border); border-radius: 8px;
	color: var(--ir-heading); font-weight: 700; font-size: 14px;
}
.ir-pagination .current {
	background: var(--ir-primary); color: #fff; border-color: var(--ir-primary);
}
.ir-pagination a:hover { background: var(--ir-primary); color: #fff; border-color: var(--ir-primary); }

/* Footer
   ------------------------------------------------------------------------ */
.ir-footer {
	background: #0d2235; color: #c2cdd9; padding: 56px 0 24px; margin-top: 60px;
}
.ir-footer__grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
@media (max-width: 768px) { .ir-footer__grid { grid-template-columns: 1fr; gap: 32px; } }
.ir-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.ir-footer ul { list-style: none; padding: 0; margin: 0; }
.ir-footer li { padding: 6px 0; }
.ir-footer a { color: #c2cdd9; font-size: 14px; }
.ir-footer a:hover { color: #fff; }
.ir-footer__about p { font-size: 13px; line-height: 1.85; color: #8a99a8; }
.ir-footer__bottom {
	border-top: 1px solid #2a3b4d; margin-top: 40px; padding-top: 20px;
	text-align: center; font-size: 13px; color: #8a99a8;
	max-width: 1200px; margin: 40px auto 0; padding-left: 20px; padding-right: 20px;
}

/* Search form
   ------------------------------------------------------------------------ */
.ir-search { display: flex; gap: 0; }
.ir-search input[type="search"] {
	flex: 1; padding: 10px 14px; border: 1px solid var(--ir-border);
	border-radius: 8px 0 0 8px; font-size: 14px; outline: none; min-width: 0;
}
.ir-search input[type="search"]:focus { border-color: var(--ir-primary); }
.ir-search button {
	padding: 0 16px; background: var(--ir-primary); color: #fff; border-radius: 0 8px 8px 0;
	font-weight: 700; font-size: 14px;
}

/* Utility
   ------------------------------------------------------------------------ */
.ir-screen-reader-text {
	position: absolute !important; clip: rect(1px,1px,1px,1px); width: 1px; height: 1px; overflow: hidden;
}
.ir-no-results { background: #fff; border: 1px dashed var(--ir-border); border-radius: 10px; padding: 36px; text-align: center; color: #6a7787; }

/* Animation utilities
   ------------------------------------------------------------------------ */
@keyframes ir-fade-up {
	from { opacity: 0; transform: translateY(14px); }
	to   { opacity: 1; transform: none; }
}
.ir-fade-up { animation: ir-fade-up .6s ease both; }
.ir-fade-up--d1 { animation-delay: .1s; }
.ir-fade-up--d2 { animation-delay: .2s; }
.ir-fade-up--d3 { animation-delay: .3s; }

/* Tags / categories
   ------------------------------------------------------------------------ */
.ir-tag {
	display: inline-block; padding: 4px 10px; background: rgba(10,108,185,.08);
	color: var(--ir-primary); font-size: 12px; font-weight: 700; border-radius: 4px;
}

/* Comparison Table
   ------------------------------------------------------------------------ */
.ir-compare { width: 100%; border-collapse: separate; border-spacing: 0; margin: 30px 0; font-size: 14px; }
.ir-compare th { background: linear-gradient(135deg, var(--ir-primary) 0%, #1a8fd9 100%); color: #fff; padding: 14px; text-align: center; font-weight: 700; }
.ir-compare th:first-child { border-radius: 10px 0 0 0; }
.ir-compare th:last-child { border-radius: 0 10px 0 0; }
.ir-compare td { padding: 14px; border-bottom: 1px solid var(--ir-border); border-right: 1px solid var(--ir-border); background: #fff; text-align: center; }
.ir-compare td:first-child { border-left: 1px solid var(--ir-border); font-weight: 700; text-align: left; }
.ir-compare tr:last-child td:first-child { border-radius: 0 0 0 10px; }
.ir-compare tr:last-child td:last-child { border-radius: 0 0 10px 0; }